/* Google Tag Manager noscript styling */
.gtm-noscript-iframe {
    display: none !important;
    visibility: hidden !important;
}

.template-cards-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    margin-top: 2rem;
}

/* レスポンシブデザインでカード数を制御 */
@media (min-width: 768px) {
    .template-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .template-cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1440px) {
    .template-cards-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* 統一されたシンプルなカード構造 */
.simple-card {
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.simple-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.simple-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.simple-card-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: #1f2937;
}

.simple-card-tag {
    background: #3b82f6;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.simple-card-toggle {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 6px;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #2563eb;
    margin-left: 0.5rem;
}

.simple-card-toggle:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-1px);
}

.simple-card-content {
    margin-top: 1rem;
}

.simple-card-content p {
    color: #6b7280;
    margin-bottom: 1rem;
}

.simple-card-prompt {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 1rem;
    margin: 1rem 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    white-space: pre-wrap;
    display: none;
}

.simple-card-btn {
    background: #f3f4f6;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.simple-card-btn:hover {
    background: #e5e7eb;
}

.simple-card-btn.active {
    background: #3b82f6;
    color: white;
    border-color: #2563eb;
}

/* Template Card カラフルバリエーション */
.simple-card.card-green {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border: 2px solid #16a34a;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.15);
    position: relative;
    overflow: hidden;
}

.simple-card.card-green::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #22c55e, #16a34a);
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

.simple-card.card-green:hover {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    border-color: #15803d;
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.25);
    transform: translateY(-4px);
}

.simple-card.card-blue {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 2px solid #3b82f6;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.15);
    position: relative;
    overflow: hidden;
}

.simple-card.card-blue::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #60a5fa, #3b82f6);
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

.simple-card.card-blue:hover {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-color: #2563eb;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.25);
    transform: translateY(-4px);
}

.simple-card.card-orange {
    background: linear-gradient(135deg, #fff7ed 0%, #fed7aa 100%);
    border: 2px solid #fb923c;
    box-shadow: 0 4px 20px rgba(251, 146, 60, 0.15);
    position: relative;
    overflow: hidden;
}

.simple-card.card-orange::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #fb923c, #fdba74, #fb923c);
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

.simple-card.card-orange:hover {
    background: linear-gradient(135deg, #fed7aa 0%, #fdba74 100%);
    border-color: #ea580c;
    box-shadow: 0 8px 25px rgba(251, 146, 60, 0.25);
    transform: translateY(-4px);
}

.simple-card.card-purple {
    background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%);
    border: 2px solid #a855f7;
    box-shadow: 0 4px 20px rgba(168, 85, 247, 0.15);
    position: relative;
    overflow: hidden;
}

.simple-card.card-purple::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #a855f7, #c084fc, #a855f7);
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

.simple-card.card-purple:hover {
    background: linear-gradient(135deg, #f3e8ff 0%, #e9d5ff 100%);
    border-color: #9333ea;
    box-shadow: 0 8px 25px rgba(168, 85, 247, 0.25);
    transform: translateY(-4px);
}

.simple-card.card-pink {
    background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 100%);
    border: 2px solid #ec4899;
    box-shadow: 0 4px 20px rgba(236, 72, 153, 0.15);
    position: relative;
    overflow: hidden;
}

.simple-card.card-pink::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ec4899, #f472b6, #ec4899);
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

.simple-card.card-pink:hover {
    background: linear-gradient(135deg, #fce7f3 0%, #fbcfe8 100%);
    border-color: #db2777;
    box-shadow: 0 8px 25px rgba(236, 72, 153, 0.25);
    transform: translateY(-4px);
}

.simple-card.card-yellow {
    background: linear-gradient(135deg, #fefce8 0%, #fef3c7 100%);
    border: 2px solid #fbbf24;
    box-shadow: 0 4px 20px rgba(251, 191, 36, 0.15);
    position: relative;
    overflow: hidden;
}

.simple-card.card-yellow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #fbbf24, #fde047, #fbbf24);
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

.simple-card.card-yellow:hover {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-color: #f59e0b;
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.25);
    transform: translateY(-4px);
}

/* キラキラアニメーション */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    50% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.simple-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.simple-card-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.simple-card-toggle {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #374151;
}

.simple-card-toggle:hover {
    background: rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 0, 0, 0.2);
    transform: translateY(-1px);
}

/* カラー別のtoggle-btnスタイル */
.simple-card.card-green .simple-card-toggle {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
    color: #15803d;
}

.simple-card.card-green .simple-card-toggle:hover {
    background: rgba(16, 185, 129, 0.2);
    border-color: rgba(16, 185, 129, 0.3);
}

.simple-card.card-blue .simple-card-toggle {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
    color: #2563eb;
}

.simple-card.card-blue .simple-card-toggle:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.3);
}

.simple-card.card-orange .simple-card-toggle {
    background: rgba(251, 146, 60, 0.1);
    border-color: rgba(251, 146, 60, 0.2);
    color: #ea580c;
}

.simple-card.card-orange .simple-card-toggle:hover {
    background: rgba(251, 146, 60, 0.2);
    border-color: rgba(251, 146, 60, 0.3);
}

.simple-card.card-purple .simple-card-toggle {
    background: rgba(168, 85, 247, 0.1);
    border-color: rgba(168, 85, 247, 0.2);
    color: #9333ea;
}

.simple-card.card-purple .simple-card-toggle:hover {
    background: rgba(168, 85, 247, 0.2);
    border-color: rgba(168, 85, 247, 0.3);
}

.simple-card.card-pink .simple-card-toggle {
    background: rgba(236, 72, 153, 0.1);
    border-color: rgba(236, 72, 153, 0.2);
    color: #db2777;
}

.simple-card.card-pink .simple-card-toggle:hover {
    background: rgba(236, 72, 153, 0.2);
    border-color: rgba(236, 72, 153, 0.3);
}

.simple-card.card-yellow .simple-card-toggle {
    background: rgba(251, 191, 36, 0.1);
    border-color: rgba(251, 191, 36, 0.2);
    color: #d97706;
}

.simple-card.card-yellow .simple-card-toggle:hover {
    background: rgba(251, 191, 36, 0.2);
    border-color: rgba(251, 191, 36, 0.3);
}

.simple-card-header h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: #1f2937;
    transition: color 0.3s ease;
}

/* カード色に対応したタイトル色 */
.simple-card.card-green .simple-card-header h3 {
    color: #15803d;
    text-shadow: 0 1px 2px rgba(16, 185, 129, 0.1);
}

.simple-card.card-blue .simple-card-header h3 {
    color: #2563eb;
    text-shadow: 0 1px 2px rgba(59, 130, 246, 0.1);
}

.simple-card.card-orange .simple-card-header h3 {
    color: #ea580c;
    text-shadow: 0 1px 2px rgba(251, 146, 60, 0.1);
}

.simple-card.card-purple .simple-card-header h3 {
    color: #9333ea;
    text-shadow: 0 1px 2px rgba(168, 85, 247, 0.1);
}

.simple-card.card-pink .simple-card-header h3 {
    color: #db2777;
    text-shadow: 0 1px 2px rgba(236, 72, 153, 0.1);
}

.simple-card.card-yellow .simple-card-header h3 {
    color: #d97706;
    text-shadow: 0 1px 2px rgba(251, 191, 36, 0.1);
}

.simple-card-header h3 {
    margin: 0;
    color: #1f2937;
    font-size: 1.2rem;
}

.simple-card-tag {
    background: #3b82f6;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* カード色に対応したtemplate-tag - より装飾的に */
.card-green .simple-card-tag { 
    background: linear-gradient(135deg, #16a34a, #15803d); 
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.card-blue .simple-card-tag { 
    background: linear-gradient(135deg, #3b82f6, #2563eb); 
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.card-orange .simple-card-tag { 
    background: linear-gradient(135deg, #fb923c, #ea580c); 
    box-shadow: 0 2px 8px rgba(251, 146, 60, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.card-purple .simple-card-tag { 
    background: linear-gradient(135deg, #a855f7, #9333ea); 
    box-shadow: 0 2px 8px rgba(168, 85, 247, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.card-pink .simple-card-tag { 
    background: linear-gradient(135deg, #ec4899, #db2777); 
    box-shadow: 0 2px 8px rgba(236, 72, 153, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.card-yellow .simple-card-tag { 
    background: linear-gradient(135deg, #fbbf24, #f59e0b); 
    color: #78350f; 
    box-shadow: 0 2px 8px rgba(251, 191, 36, 0.3);
    border: 1px solid rgba(120, 53, 15, 0.1);
}

.simple-card-content p {
    color: #6b7280;
    margin-bottom: 1rem;
}

.simple-card-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    gap: 1rem;
}

.simple-card-btn {
    background: #f3f4f6;
    border: 1px solid #d1d5db;
    color: #374151;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.simple-card-btn:hover {
    background: #e5e7eb;
}

.simple-card-btn.active {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

.simple-card-btn[data-action="copy"] {
    background: #10b981;
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.simple-card-btn[data-action="copy"]:hover {
    background: #059669;
    transform: translateY(-1px);
}

.simple-card-btn[data-action="copy"]:active {
    transform: translateY(0);
}

.usage-guide {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

/* リセットとベーススタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans JP', Roboto, sans-serif;
    line-height: 1.7;
    color: #1e293b;
    background-color: #f8faf8;
}

/* アクセシビリティ改善 */
:focus {
    outline: 3px solid #16a34a;
    outline-offset: 2px;
}

/* スムーズスクロール */
html {
    scroll-behavior: smooth;
}

/* 高コントラストモード対応 */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #15803d;
        --secondary-color: #166534;
    }
}

/* ダークモード対応 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #0f172a;
        color: #e2e8f0;
    }
}

/* コンテナ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー・ナビゲーション */
.header {
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(22, 163, 74, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid #16a34a;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo h1 {
    font-size: 1.5rem;
    color: #16a34a;
    margin-bottom: 0.2rem;
    font-weight: 700;
}

.logo p {
    font-size: 0.85rem;
    color: #059669;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #475569;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #16a34a;
    background-color: #dcfce7;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 3px;
    background-color: #16a34a;
    border-radius: 2px;
}

/* モバイルメニュー */
.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #16a34a;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.menu-toggle:hover span {
    background-color: #15803d;
}

/* メインコンテンツ */
.main {
    min-height: calc(100vh - 80px);
}

/* ヒーローセクション */
.hero {
    background: linear-gradient(135deg, #16a34a 0%, #059669 30%, #10b981 60%, #34d399 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 120%;
    height: 200%;
    background: radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(251, 146, 60, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(168, 85, 247, 0.08) 0%, transparent 50%);
    animation: floatBackground 20s ease-in-out infinite;
    pointer-events: none;
}

@keyframes floatBackground {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* ヒーローセクション内の要素を前面に配置 */
.hero > * {
    position: relative;
    z-index: 1;
}

.hero a {
    color: inherit !important;
    text-decoration: none !important;
    position: relative;
    z-index: 2;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
    z-index: 0;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.95;
    position: relative;
    z-index: 1;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 1000px;
    margin: 0 auto 2rem;
    opacity: 0.95;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ヒーローセクション内のボタン強制適用 */
.hero-actions .btn {
    display: inline-block !important;
    padding: 0.875rem 2rem !important;
    border-radius: 0.5rem !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
    border: none !important;
    cursor: pointer !important;
    font-size: 1rem !important;
    box-sizing: border-box !important;
}

.hero-actions .btn-primary {
    background-color: #ffffff !important;
    color: #16a34a !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 15px rgba(22, 163, 74, 0.2) !important;
}

.hero-actions .btn-primary:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 10px 25px rgba(22, 163, 74, 0.3) !important;
    background-color: #f0fdf4 !important;
}

.hero-actions .btn-secondary {
    background-color: transparent !important;
    color: #ffffff !important;
    border: 2px solid #ffffff !important;
    font-weight: 600 !important;
}

.hero-actions .btn-secondary:hover {
    background-color: #ffffff !important;
    color: #16a34a !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2) !important;
}

/* ボタン */
.btn {
    display: inline-block !important;
    padding: 0.875rem 2rem !important;
    border-radius: 0.5rem !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
    border: none !important;
    cursor: pointer !important;
    font-size: 1rem !important;
    box-sizing: border-box !important;
}

.btn-primary {
    background-color: #ffffff !important;
    color: #16a34a !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 15px rgba(22, 163, 74, 0.2) !important;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(22, 163, 74, 0.3);
    background-color: #f0fdf4;
}

.btn-secondary {
    background-color: transparent !important;
    color: #ffffff !important;
    border: 2px solid #ffffff !important;
    font-weight: 600 !important;
}

.btn-secondary:hover {
    background-color: #ffffff;
    color: #16a34a;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* セクション */
.section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-top: 4rem;
    margin-bottom: 3rem;
    color: #16a34a;
    font-weight: 700;
    position: relative;
}

/* 最初のセクションタイトルには上部マージンを適用しない */
.section:first-child .section-title,
.hero + .section .section-title {
    margin-top: 0;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #059669);
    border-radius: 2px;
}

/* 特徴グリッド - 強化されたスタイル */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    text-align: center;
    padding: 2.5rem 2rem;
    border-radius: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8faf8 100%);
    border: 2px solid #e5f5e5;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.08);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #059669);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #16a34a, transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(22, 163, 74, 0.15);
    border-color: #16a34a;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover::after {
    opacity: 1;
}

/* カラフルなカードバリエーション（6色） */
/* 1. エメラルドグリーン（メイン） */
.feature-card.card-green {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border-color: #10b981;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.1);
}

.feature-card.card-green::before {
    background: linear-gradient(90deg, #10b981, #059669);
}

.feature-card.card-green:hover {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border-color: #059669;
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.2);
}

.feature-card.card-green .feature-icon {
    background: linear-gradient(135deg, #10b981, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 2. オーシャンブルー */
.feature-card.card-blue {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-color: #3b82f6;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.1);
}

.feature-card.card-blue::before {
    background: linear-gradient(90deg, #3b82f6, #2563eb);
}

.feature-card.card-blue:hover {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-color: #2563eb;
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.feature-card.card-blue .feature-icon {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 3. サンセットオレンジ */
.feature-card.card-orange {
    background: linear-gradient(135deg, #fff7ed 0%, #fed7aa 100%);
    border-color: #fb923c;
    box-shadow: 0 4px 20px rgba(251, 146, 60, 0.1);
}

.feature-card.card-orange::before {
    background: linear-gradient(90deg, #fb923c, #f97316);
}

.feature-card.card-orange:hover {
    background: linear-gradient(135deg, #fed7aa 0%, #fdba74 100%);
    border-color: #f97316;
    box-shadow: 0 20px 40px rgba(251, 146, 60, 0.2);
}

.feature-card.card-orange .feature-icon {
    background: linear-gradient(135deg, #fb923c, #f97316);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 4. ラベンダーパープル */
.feature-card.card-purple {
    background: linear-gradient(135deg, #f3e8ff 0%, #e9d5ff 100%);
    border-color: #a855f7;
    box-shadow: 0 4px 20px rgba(168, 85, 247, 0.1);
}

.feature-card.card-purple::before {
    background: linear-gradient(90deg, #a855f7, #9333ea);
}

.feature-card.card-purple:hover {
    background: linear-gradient(135deg, #e9d5ff 0%, #d8b4fe 100%);
    border-color: #9333ea;
    box-shadow: 0 20px 40px rgba(168, 85, 247, 0.2);
}

.feature-card.card-purple .feature-icon {
    background: linear-gradient(135deg, #a855f7, #9333ea);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 5. ローズピンク */
.feature-card.card-pink {
    background: linear-gradient(135deg, #fce7f3 0%, #fbcfe8 100%);
    border-color: #ec4899;
    box-shadow: 0 4px 20px rgba(236, 72, 153, 0.1);
}

.feature-card.card-pink::before {
    background: linear-gradient(90deg, #ec4899, #db2777);
}

.feature-card.card-pink:hover {
    background: linear-gradient(135deg, #fbcfe8 0%, #f9a8d4 100%);
    border-color: #db2777;
    box-shadow: 0 20px 40px rgba(236, 72, 153, 0.2);
}

.feature-card.card-pink .feature-icon {
    background: linear-gradient(135deg, #ec4899, #db2777);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 6. ゴールデンイエロー */
.feature-card.card-yellow {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-color: #fbbf24;
    box-shadow: 0 4px 20px rgba(251, 191, 36, 0.1);
}

.feature-card.card-yellow::before {
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
}

.feature-card.card-yellow:hover {
    background: linear-gradient(135deg, #fde68a 0%, #fcd34d 100%);
    border-color: #f59e0b;
    box-shadow: 0 20px 40px rgba(251, 191, 36, 0.2);
}

.feature-card.card-yellow .feature-icon {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* カードアイコンのベーススタイル調整 */
.feature-card .feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    font-weight: bold;
}

/* Guide Card 6色バリエーション */
.guide-card.card-green {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border-color: #16a34a;
}

.guide-card.card-blue {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-color: #3b82f6;
}

.guide-card.card-orange {
    background: linear-gradient(135deg, #fff7ed 0%, #fed7aa 100%);
    border-color: #fb923c;
}

.guide-card.card-purple {
    background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%);
    border-color: #a855f7;
}

.guide-card.card-pink {
    background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 100%);
    border-color: #ec4899;
}

.guide-card.card-yellow {
    background: linear-gradient(135deg, #fefce8 0%, #fef3c7 100%);
    border-color: #fbbf24;
}

/* Guide Card ホバー状態の6色バリエーション */
.guide-card.card-green:hover {
    border-color: #16a34a;
    box-shadow: 0 20px 40px rgba(22, 163, 74, 0.15);
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.guide-card.card-blue:hover {
    border-color: #3b82f6;
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.guide-card.card-orange:hover {
    border-color: #fb923c;
    box-shadow: 0 20px 40px rgba(251, 146, 60, 0.15);
    background: linear-gradient(135deg, #fff8f1 0%, #fed7aa 100%);
}

.guide-card.card-purple:hover {
    border-color: #a855f7;
    box-shadow: 0 20px 40px rgba(168, 85, 247, 0.15);
    background: linear-gradient(135deg, #fefbff 0%, #f3e8ff 100%);
}

.guide-card.card-pink:hover {
    border-color: #ec4899;
    box-shadow: 0 20px 40px rgba(236, 72, 153, 0.15);
    background: linear-gradient(135deg, #fef7f3 0%, #fce7f3 100%);
}

.guide-card.card-yellow:hover {
    border-color: #fbbf24;
    box-shadow: 0 20px 40px rgba(251, 191, 36, 0.15);
    background: linear-gradient(135deg, #fffef0 0%, #fef3c7 100%);
}

/* Guide Card ホバー疑似要素の6色バリエーション */
.guide-card.card-green::before {
    background: linear-gradient(90deg, #16a34a, #059669);
}

.guide-card.card-blue::before {
    background: linear-gradient(90deg, #3b82f6, #2563eb);
}

.guide-card.card-orange::before {
    background: linear-gradient(90deg, #fb923c, #f97316);
}

.guide-card.card-purple::before {
    background: linear-gradient(90deg, #a855f7, #9333ea);
}

.guide-card.card-pink::before {
    background: linear-gradient(90deg, #ec4899, #db2777);
}

.guide-card.card-yellow::before {
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
}

/* Content Card 6色バリエーション */
.content-card.card-green {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border-color: #16a34a;
}

.content-card.card-blue {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-color: #3b82f6;
}

.content-card.card-orange {
    background: linear-gradient(135deg, #fff7ed 0%, #fed7aa 100%);
    border-color: #fb923c;
}

.content-card.card-purple {
    background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%);
    border-color: #a855f7;
}

.content-card.card-pink {
    background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 100%);
    border-color: #ec4899;
}

.content-card.card-yellow {
    background: linear-gradient(135deg, #fefce8 0%, #fef3c7 100%);
    border-color: #fbbf24;
}

/* Content Card ホバー状態の6色バリエーション */
.content-card.card-green:hover {
    border-color: #16a34a;
    box-shadow: 0 20px 40px rgba(22, 163, 74, 0.15);
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.content-card.card-blue:hover {
    border-color: #3b82f6;
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.content-card.card-orange:hover {
    border-color: #fb923c;
    box-shadow: 0 20px 40px rgba(251, 146, 60, 0.15);
    background: linear-gradient(135deg, #fff8f1 0%, #fed7aa 100%);
}

.content-card.card-purple:hover {
    border-color: #a855f7;
    box-shadow: 0 20px 40px rgba(168, 85, 247, 0.15);
    background: linear-gradient(135deg, #fefbff 0%, #f3e8ff 100%);
}

.content-card.card-pink:hover {
    border-color: #ec4899;
    box-shadow: 0 20px 40px rgba(236, 72, 153, 0.15);
    background: linear-gradient(135deg, #fef7f3 0%, #fce7f3 100%);
}

.content-card.card-yellow:hover {
    border-color: #fbbf24;
    box-shadow: 0 20px 40px rgba(251, 191, 36, 0.15);
    background: linear-gradient(135deg, #fffef0 0%, #fef3c7 100%);
}

/* Content Card ホバー疑似要素の6色バリエーション */
.content-card.card-green::before {
    background: linear-gradient(90deg, #16a34a, #059669);
}

.content-card.card-blue::before {
    background: linear-gradient(90deg, #3b82f6, #2563eb);
}

.content-card.card-orange::before {
    background: linear-gradient(90deg, #fb923c, #f97316);
}

.content-card.card-purple::before {
    background: linear-gradient(90deg, #a855f7, #9333ea);
}

.content-card.card-pink::before {
    background: linear-gradient(90deg, #ec4899, #db2777);
}

.content-card.card-yellow::before {
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
}

/* Guide Card h3::after下線の6色バリエーション */
.guide-card.card-green h3::after {
    background: linear-gradient(90deg, #16a34a, #059669);
}

.guide-card.card-blue h3::after {
    background: linear-gradient(90deg, #3b82f6, #2563eb);
}

.guide-card.card-orange h3::after {
    background: linear-gradient(90deg, #fb923c, #f97316);
}

.guide-card.card-purple h3::after {
    background: linear-gradient(90deg, #a855f7, #9333ea);
}

.guide-card.card-pink h3::after {
    background: linear-gradient(90deg, #ec4899, #db2777);
}

.guide-card.card-yellow h3::after {
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
}

/* Content Card h3::after下線の6色バリエーション */
.content-card.card-green h3::after {
    background: linear-gradient(90deg, #16a34a, #059669);
}

.content-card.card-blue h3::after {
    background: linear-gradient(90deg, #3b82f6, #2563eb);
}

.content-card.card-orange h3::after {
    background: linear-gradient(90deg, #fb923c, #f97316);
}

.content-card.card-purple h3::after {
    background: linear-gradient(90deg, #a855f7, #9333ea);
}

.content-card.card-pink h3::after {
    background: linear-gradient(90deg, #ec4899, #db2777);
}

.content-card.card-yellow h3::after {
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
}

/* カテゴリータイトルのカラフルスタイル */
.category-title {
    font-weight: 700;
    margin-top: 3rem;
    margin-bottom: 0.8rem;
    font-size: 1.75rem;
    display: inline-block;
    position: relative;
    padding-bottom: 0.5rem;
    color: #1e293b;
}

/* セクションごとのカテゴリータイトルカラー */
.ai-categories:nth-child(2) .category-title {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 50%, #1d4ed8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ai-categories:nth-child(2) .category-title::after {
    background: linear-gradient(90deg, #3b82f6, #2563eb, #3b82f6);
}

.ai-categories:nth-child(3) .category-title {
    background: linear-gradient(135deg, #fb923c 0%, #f97316 50%, #ea580c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ai-categories:nth-child(3) .category-title::after {
    background: linear-gradient(90deg, #fb923c, #f97316, #fb923c);
}

.ai-categories:nth-child(4) .category-title {
    background: linear-gradient(135deg, #a855f7 0%, #9333ea 50%, #7e22ce 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ai-categories:nth-child(4) .category-title::after {
    background: linear-gradient(90deg, #a855f7, #9333ea, #a855f7);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #16a34a, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    position: relative;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1e293b;
    font-weight: 700;
    position: relative;
}

.feature-card h3::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #16a34a, #059669);
    transition: width 0.4s ease;
}

.feature-card:hover h3::after {
    width: 60px;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
    font-size: 1rem;
    margin: 0;
}

/* ガイドカード - 強化されたスタイル */
.guide-cards,
.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
    margin-top: 3rem;
}

/* guide-navセクションに上部マージンを追加 */
.guide-nav {
    margin-top: 5rem;
}

.guide-card {
    display: block;
    text-decoration: none;
    color: inherit;
    padding: 2.5rem 2rem;
    border: 2px solid #e2e8f0;
    border-radius: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8faf8 100%);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.08);
}

.guide-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #059669);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.guide-card:hover {
    border-color: #16a34a;
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(22, 163, 74, 0.15);
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.guide-card:hover::before {
    transform: scaleX(1);
}

.guide-number {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, #16a34a, #059669);
    color: white;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
    transition: all 0.3s ease;
}

.guide-card:hover .guide-number {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(22, 163, 74, 0.4);
}

.guide-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1e293b;
    margin-top: 1rem;
    font-weight: 700;
    position: relative;
}

.guide-card h3::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #16a34a, #059669);
    transition: width 0.4s ease;
}

.guide-card:hover h3::after {
    width: 60px;
}

.guide-card p {
    color: #64748b;
    line-height: 1.6;
    font-size: 1rem;
    margin: 0;
}

/* CTAセクション */
.cta-section,
.final-cta {
    background: linear-gradient(135deg, #16a34a 0%, #059669 100%);
    color: white;
    text-align: center;
    margin-top: 3rem;
    padding: 2rem 2rem;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* フッター */
.footer {
    background-color: #1e293b;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #f1f5f9;
}

.footer-section p {
    color: #94a3b8;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #f1f5f9;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #94a3b8;
}

/* ページ固有スタイル - 強化バージョン */
.page-header {
    background: linear-gradient(135deg, #16a34a 0%, #059669 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="page-pattern" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23page-pattern)"/></svg>');
    opacity: 0.3;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    font-weight: 500;
}

.content-section {
    padding: 3rem 0;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
}

.content-card {
    padding: 2.5rem 2rem;
    border: 2px solid #e2e8f0;
    border-radius: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8faf8 100%);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.08);
}

.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #059669);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.content-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(22, 163, 74, 0.15);
    border-color: #16a34a;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.content-card:hover::before {
    transform: scaleX(1);
}

.content-card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 700;
    position: relative;
}

.content-card h3::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #16a34a, #059669);
    transition: width 0.4s ease;
}

.content-card:hover h3::after {
    width: 40px;
}

.content-card p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.content-card ul {
    color: #64748b;
    padding-left: 1.5rem;
}

.content-card ul li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 0.5rem;
}

.content-card ul li::before {
    content: '▶';
    position: absolute;
    left: -1rem;
    color: #16a34a;
    font-size: 0.8rem;
    font-weight: 700;
}

/* ステップガイド - 強化バージョン */
.step-guide {
    margin: 2rem 0;
}

.step-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 1.5rem;
    border-left: 4px solid #16a34a;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.08);
    transition: all 0.4s ease;
}

.step-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #059669);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.step-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(22, 163, 74, 0.12);
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.step-item:hover::before {
    transform: scaleX(1);
}

.step-number {
    background: linear-gradient(135deg, #16a34a, #059669);
    color: white;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    margin-right: 1.5rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
    transition: all 0.3s ease;
}

.step-item:hover .step-number {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(22, 163, 74, 0.4);
}

.step-content h3 {
    color: #1e293b;
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    position: relative;
}

.step-content h3::after {
    content: '';
    position: absolute;
    bottom: -0.3rem;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #16a34a, #059669);
    transition: width 0.4s ease;
}

.step-item:hover .step-content h3::after {
    width: 50px;
}

.step-content p {
    color: #64748b;
    line-height: 1.6;
    font-size: 1rem;
    margin: 0;
}

/* プロンプト例 */
.prompt-example {
    background-color: #f1f5f9;
    border-left: 4px solid #16a34a;
    padding: 1.5rem;
    margin: 1rem 0;
    border-radius: 0 0.5rem 0.5rem 0;
}

.prompt-example h4 {
    color: #1e293b;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.prompt-text {
    background-color: #ffffff;
    padding: 1rem;
    border-radius: 0.25rem;
    font-family: 'Courier New', monospace;
    color: #374151;
    margin: 0.5rem 0;
    border: 1px solid #e5e7eb;
}

.prompt-explanation {
    color: #64748b;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* 新しいindex.html用のスタイル */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
    margin-top: 2rem;
}

.feature-status {
    margin: 1rem 0;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    text-align: center;
}

.feature-status.available {
    background-color: #dcfce7;
    color: #166534;
    border: 2px solid #16a34a;
}

.feature-status.coming-soon {
    background-color: #fef3c7;
    color: #92400e;
    border: 2px solid #f59e0b;
}

.feature-status.planning {
    background-color: #e0e7ff;
    color: #3730a3;
    border: 2px solid #6366f1;
}

.feature-link {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.75rem 1.5rem;
    background-color: #16a34a;
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(22, 163, 74, 0.2);
}

.feature-link:hover {
    background-color: #15803d;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(22, 163, 74, 0.3);
}

.feature-link.disabled {
    background-color: #94a3b8;
    color: #64748b;
    cursor: not-allowed;
    transform: none;
}

.feature-link.disabled:hover {
    background-color: #94a3b8;
    transform: none;
}

/* カードの色に合わせたfeature-statusスタイル */
/* グリーンカード用 */
.card-green .feature-status.available {
    background-color: #dcfce7;
    color: #166534;
    border: 2px solid #16a34a;
}

.card-green .feature-link {
    background-color: #16a34a;
    color: white;
}

.card-green .feature-link:hover {
    background-color: #15803d;
    box-shadow: 0 8px 25px rgba(22, 163, 74, 0.3);
}

/* ブルーカード用 */
.card-blue .feature-status.available {
    background-color: #dbeafe;
    color: #1e3a8a;
    border: 2px solid #3b82f6;
}

.card-blue .feature-link {
    background-color: #3b82f6;
    color: white;
}

.card-blue .feature-link:hover {
    background-color: #2563eb;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

/* オレンジカード用 */
.card-orange .feature-status.available {
    background-color: #fed7aa;
    color: #7c2d12;
    border: 2px solid #fb923c;
}

.card-orange .feature-link {
    background-color: #fb923c;
    color: white;
}

.card-orange .feature-link:hover {
    background-color: #f97316;
    box-shadow: 0 8px 25px rgba(251, 146, 60, 0.3);
}

/* パープルカード用 */
.card-purple .feature-status.available {
    background-color: #e9d5ff;
    color: #581c87;
    border: 2px solid #a855f7;
}

.card-purple .feature-link {
    background-color: #a855f7;
    color: white;
}

.card-purple .feature-link:hover {
    background-color: #9333ea;
    box-shadow: 0 8px 25px rgba(168, 85, 247, 0.3);
}

/* ピンクカード用 */
.card-pink .feature-status.available {
    background-color: #fce7f3;
    color: #9f1239;
    border: 2px solid #ec4899;
}

.card-pink .feature-link {
    background-color: #ec4899;
    color: white;
}

.card-pink .feature-link:hover {
    background-color: #db2777;
    box-shadow: 0 8px 25px rgba(236, 72, 153, 0.3);
}

/* イエローカード用 */
.card-yellow .feature-status.available {
    background-color: #fef3c7;
    color: #78350f;
    border: 2px solid #fbbf24;
}

.card-yellow .feature-link {
    background-color: #fbbf24;
    color: #78350f;
}

.card-yellow .feature-link:hover {
    background-color: #f59e0b;
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.3);
}

/* coming-soonステータスも各色に対応 */
.card-green .feature-status.coming-soon,
.card-blue .feature-status.coming-soon,
.card-orange .feature-status.coming-soon,
.card-purple .feature-status.coming-soon,
.card-pink .feature-status.coming-soon,
.card-yellow .feature-status.coming-soon {
    background-color: #f3f4f6;
    color: #6b7280;
    border: 2px solid #d1d5db;
}

/* planningステータスも各色に対応 */
.card-green .feature-status.planning,
.card-blue .feature-status.planning,
.card-orange .feature-status.planning,
.card-purple .feature-status.planning,
.card-pink .feature-status.planning,
.card-yellow .feature-status.planning {
    background-color: #fef3c7;
    color: #92400e;
    border: 2px solid #f59e0b;
}

/* 推奨ツールバッジのカラーバリエーション */
.tool-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
    margin: 0.25rem;
}

.tool-badge.primary {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #16a34a;
}

.tool-badge.secondary {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #3b82f6;
}

.tool-badge.tertiary {
    background: #fed7aa;
    color: #ea580c;
    border: 1px solid #fb923c;
}

/* カード色に対応したtool-badge */
.card-green .tool-badge.primary { background: #dcfce7; color: #166534; border: 1px solid #16a34a; }
.card-blue .tool-badge.primary { background: #dbeafe; color: #1e40af; border: 1px solid #3b82f6; }
.card-orange .tool-badge.primary { background: #fed7aa; color: #ea580c; border: 1px solid #fb923c; }
.card-purple .tool-badge.primary { background: #f3e8ff; color: #7c3aed; border: 1px solid #a855f7; }
.card-pink .tool-badge.primary { background: #fce7f3; color: #be185d; border: 1px solid #ec4899; }
.card-yellow .tool-badge.primary { background: #fef3c7; color: #92400e; border: 1px solid #fbbf24; }

/* フロー結果セクションのカード色対応 */
.flow-result .feature-card {
    margin-bottom: 1rem;
    padding: 1rem;
}

.flow-result .tool-badge {
    margin-right: 0.5rem;
}

.feature-card.highlight {
    border: 2px solid #16a34a;
    box-shadow: 0 10px 30px rgba(22, 163, 74, 0.15);
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.feature-card.highlight::before {
    background: linear-gradient(90deg, #16a34a, #059669, #047857);
}

/* ステップセクション */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.step {
    text-align: center;
    padding: 2rem 1.5rem;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border-radius: 1rem;
    position: relative;
    overflow: hidden;
    border: 2px solid #e5f5e5;
    transition: all 0.3s ease;
}

/* 4ステップのカラフルスタイル */
.step:nth-child(1) {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border-color: #10b981;
}

.step:nth-child(2) {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-color: #3b82f6;
}

.step:nth-child(3) {
    background: linear-gradient(135deg, #fff7ed 0%, #fed7aa 100%);
    border-color: #fb923c;
}

.step:nth-child(4) {
    background: linear-gradient(135deg, #f3e8ff 0%, #e9d5ff 100%);
    border-color: #a855f7;
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #059669);
}

/* ステップのトップバーカラー対応 */
.step:nth-child(1)::before {
    background: linear-gradient(90deg, #10b981, #059669);
}

.step:nth-child(2)::before {
    background: linear-gradient(90deg, #3b82f6, #2563eb);
}

.step:nth-child(3)::before {
    background: linear-gradient(90deg, #fb923c, #f97316);
}

.step:nth-child(4)::before {
    background: linear-gradient(90deg, #a855f7, #9333ea);
}

.step .step-number {
    background: linear-gradient(135deg, #16a34a, #059669);
    color: white;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto 1rem auto;
    box-shadow: 0 4px 15px rgba(22, 163, 74, 0.3);
}

/* ステップ番号のカラー対応 */
.step:nth-child(1) .step-number {
    background: linear-gradient(135deg, #10b981, #059669);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.step:nth-child(2) .step-number {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.step:nth-child(3) .step-number {
    background: linear-gradient(135deg, #fb923c, #f97316);
    box-shadow: 0 4px 15px rgba(251, 146, 60, 0.3);
}

.step:nth-child(4) .step-number {
    background: linear-gradient(135deg, #a855f7, #9333ea);
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.3);
}

.step h3 {
    color: #1e293b;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.step p {
    color: #64748b;
    line-height: 1.6;
}

/* CTAセクション */
.cta {
    background: linear-gradient(135deg, #16a34a 0%, #059669 50%, #047857 100%);
    color: white;
    text-align: center;
    padding: 4rem 0;
    margin: 4rem 0;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.2;
}

.cta h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta p {
    color: #e2e8f0;
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta .btn-primary {
    background-color: white;
    color: #16a34a;
    position: relative;
    z-index: 1;
}

.cta .btn-primary:hover {
    background-color: #f0fdf4;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.cta .btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
    position: relative;
    z-index: 1;
}

.cta .btn-secondary:hover {
    background-color: white;
    color: #16a34a;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

/* セクションサブタイトル */
.section-subtitle {
    text-align: center;
    color: #64748b;
    font-size: 1.125rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* AIカテゴリ */
.ai-categories {
    margin-top: 2rem;
}

/* 削除 - 上部で定義済み */

/* getting-started セクションのスタイル */
.getting-started {
    padding-top: 4rem;
    margin-top: 4rem;
    border-top: 1px solid #e5e7eb;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: #ffffff;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 20px rgba(22, 163, 74, 0.15);
        border-top: 2px solid #16a34a;
        gap: 0;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        padding: 0.75rem 0;
        border-bottom: 1px solid #e5f5e5;
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-link {
        padding: 0.75rem 1rem;
        border-radius: 0.5rem;
        margin: 0.25rem 0;
        display: block;
        text-align: center;
    }

    .nav-link:hover,
    .nav-link.active {
        background-color: #dcfce7;
        color: #16a34a;
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1.3rem;
        line-height: 1.4;
        margin-bottom: 1rem;
    }

    .hero-description {
        font-size: 1rem;
        padding: 0 1rem;
        max-width: 100%;
        line-height: 1.5;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        padding: 1rem 2rem;
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .section-subtitle {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .category-title {
        font-size: 1.3rem;
        margin: 2rem 0 1rem 0;
    }

    .feature-grid {
        gap: 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .steps {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .step {
        padding: 1.5rem;
    }

    .cta {
        padding: 3rem 0;
        margin: 3rem 0;
    }

    .cta h2 {
        font-size: 1.8rem;
    }

    .cta p {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .guide-cards {
        grid-template-columns: 1fr;
    }

    .feature-card,
    .guide-card {
        padding: 1.5rem;
    }

    .step-item {
        flex-direction: column;
        text-align: center;
    }

    .step-number {
        margin: 0 0 1rem 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .nav-container {
        padding: 0.75rem 15px;
    }

    .logo h1 {
        font-size: 1.3rem;
    }

    .logo p {
        font-size: 0.8rem;
    }

    .hero {
        padding: 2rem 0;
    }

    .section {
        padding: 2.5rem 0;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 0.95rem;
        padding: 0 0.5rem;
        line-height: 1.4;
        margin-bottom: 1.5rem;
    }

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .category-title {
        font-size: 1.2rem;
    }

    .feature-card {
        padding: 1.25rem;
    }

    .feature-icon {
        font-size: 2rem;
    }

    .feature-card h3 {
        font-size: 1.1rem;
    }

    .feature-card p {
        font-size: 0.9rem;
    }

    .step {
        padding: 1.25rem;
    }

    .step .step-number {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1rem;
    }

    .cta {
        padding: 2.5rem 0;
    }

    .cta h2 {
        font-size: 1.6rem;
    }

    .cta p {
        font-size: 0.95rem;
    }

    .page-title {
        font-size: 1.8rem;
    }
}

/* タッチデバイス最適化 */
@media (hover: none) and (pointer: coarse) {
    .feature-card:hover,
    .btn:hover,
    .nav-link:hover {
        transform: none;
    }

    .feature-card:active,
    .btn:active,
    .nav-link:active {
        transform: scale(0.98);
    }

    .btn {
        min-height: 44px;
    }

    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* ChatGPTページ追加スタイル */
.persona-guide {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #f5f3ff 100%);
}

.persona-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.persona-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.persona-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.persona-rating {
    margin: 1rem 0;
    color: #666;
}

.persona-rating .stars {
    color: #fbbf24;
    font-size: 1.2rem;
}

.detailed-comparison {
    padding: 4rem 0;
    background: #f9fafb;
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin: 2rem 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.comparison-table th {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.comparison-table td {
    padding: 1rem;
    border-bottom: 1px solid #e5e7eb;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table .highlight {
    background: #fef3c7;
    font-weight: 600;
}

.when-to-use {
    margin-top: 3rem;
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.use-case-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.use-case-card h4 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.roi-calculator {
    padding: 4rem 0;
    background: linear-gradient(135deg, #fef3c7 0%, #fed7aa 100%);
}

.roi-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.time-savings {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 1rem;
}

.saving-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.saving-item:last-child {
    border-bottom: none;
}

.saving-item .task {
    font-weight: 600;
    color: #4b5563;
}

.saving-item .time {
    color: #2563eb;
    font-weight: 500;
}

.saving-item .value {
    color: #10b981;
    font-weight: 700;
}

.result-box {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.result-box .total-value {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.result-box .roi-percentage {
    font-size: 2rem;
    color: #10b981;
    margin-bottom: 1rem;
}

.result-box strong {
    color: #dc2626;
}

.use-cases {
    padding: 4rem 0;
    background: white;
}

.case-studies {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.case-study {
    background: #f9fafb;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.before-after {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 1.5rem 0;
}

.before, .after {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
}

.before h4 {
    color: #dc2626;
    margin-bottom: 1rem;
}

.after h4 {
    color: #10b981;
    margin-bottom: 1rem;
}

.case-result {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: #334155;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    border: 1px solid #cbd5e1;
}

.faq-pitfalls {
    padding: 4rem 0;
    background: #f9fafb;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.faq-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.faq-card h3 {
    color: #1f2937;
    margin-bottom: 1.5rem;
}

.faq-card ul {
    list-style: none;
    padding: 0;
}

.faq-card li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.faq-card li:last-child {
    border-bottom: none;
}

.alternatives {
    padding: 4rem 0;
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
}

.alternative-suggestions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.alternative-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.alternative-list {
    margin-top: 1rem;
}

.alternative-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.alternative-item:last-child {
    border-bottom: none;
}

.alternative-item .use-case {
    color: #4b5563;
}

.alternative-item .tool a {
    color: #2563eb;
    font-weight: 600;
    text-decoration: none;
}

.alternative-item .tool a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .roi-content {
        grid-template-columns: 1fr;
    }
    
    .before-after {
        grid-template-columns: 1fr;
    }
    
    .alternative-suggestions {
        grid-template-columns: 1fr;
    }
}

/* 運営者情報ページ用スタイル */
.operator-info {
    margin-top: 2rem;
}

.section-content {
    margin-bottom: 3rem;
}

.operator-card, .contact-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.operator-icon, .contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.qualification-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
    margin-top: 2rem;
}

.qualification-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.qualification-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.qualification-link {
    margin-top: 1.5rem;
}

.qualification-link .btn-secondary {
    background-color: #16a34a;
    color: #ffffff;
    border: 2px solid #16a34a;
    font-weight: 600;
}

.qualification-link .btn-secondary:hover {
    background-color: #15803d;
    color: #ffffff;
    border-color: #15803d;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(22, 163, 74, 0.3);
}

.contact-link {
    color: #16a34a;
    text-decoration: none;
    font-weight: 600;
}

.contact-link:hover {
    color: #15803d;
    text-decoration: underline;
}

/* アプリタイプ・統合機能・ワークフロー用スタイル */
.app-types-grid,
.integration-features-grid,
.workflow-examples-grid,
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
}

.app-type-card,
.integration-feature-card,
.workflow-example-card,
.use-case-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e2e8f0;
}

.app-type-card:hover,
.integration-feature-card:hover,
.workflow-example-card:hover,
.use-case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.app-type-card h3,
.integration-feature-card h3,
.workflow-example-card h3,
.use-case-card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.app-type-card p,
.integration-feature-card p,
.workflow-example-card p,
.use-case-card p {
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

/* AI機能・ツール・コミュニティ用スタイル */
.ai-features-grid,
.tools-ecosystem-grid,
.community-features-grid,
.editing-features-grid,
.model-types-grid,
.privacy-features-grid,
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
    margin-top: 2rem;
}

.ai-feature-card,
.tool-ecosystem-card,
.community-feature-card,
.editing-feature-card,
.model-type-card,
.privacy-card,
.category-card,
.node-category-card,
.language-category-card,
.template-category-card,
.model-category-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e2e8f0;
    text-align: center;
}

.ai-feature-card:hover,
.tool-ecosystem-card:hover,
.community-feature-card:hover,
.editing-feature-card:hover,
.model-type-card:hover,
.privacy-card:hover,
.category-card:hover,
.node-category-card:hover,
.language-category-card:hover,
.template-category-card:hover,
.model-category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.ai-feature-card h3,
.tool-ecosystem-card h3,
.community-feature-card h3,
.editing-feature-card h3,
.model-type-card h3,
.privacy-card h3,
.category-card h3,
.node-category-card h3,
.language-category-card h3,
.template-category-card h3,
.model-category-card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.ai-feature-card p,
.tool-ecosystem-card p,
.community-feature-card p,
.editing-feature-card p,
.model-type-card p,
.privacy-card p,
.category-card p,
.node-category-card p,
.language-category-card p,
.template-category-card p,
.model-category-card p {
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

/* カテゴリー用スタイル */
.character-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
}

.category-card .category-content ul {
    text-align: left;
    display: inline-block;
    max-width: 100%;
}

.category-card .category-content ul li {
    margin-bottom: 0.5rem;
    color: #64748b;
}

/* X Premium+ 機能グリッド */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
}

/* 推論・比較グリッド */
.reasoning-types-grid,
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
}

/* PLAUD NotePin専用スタイル */
.price-highlight {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    margin: 1rem 0;
    border: 2px solid #f59e0b;
}

.price-highlight .price-amount {
    font-size: 1.8rem;
    font-weight: 700;
    color: #92400e;
    display: block;
}

.price-highlight .price-period {
    font-size: 1rem;
    color: #78350f;
    font-weight: 500;
}

.feature-details ul {
    text-align: left !important;
    list-style: none;
    padding-left: 0;
}

.feature-details ul li {
    text-align: left !important;
    margin: 0.5rem 0;
    padding-left: 1rem;
    position: relative;
}

.feature-details ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 6px;
    height: 6px;
    background: currentColor;
    border-radius: 50%;
}

.pricing-note {
    margin-top: 1rem;
    padding: 0.5rem;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
    font-size: 0.9rem;
    color: #666;
}

.popular {
    position: relative;
    border: 2px solid #10b981;
    transform: scale(1.02);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: #10b981;
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.highlight {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 700;
    color: #92400e;
}

/* 未定義グリッドクラス群 1 */
.extensions-grid,
.ai-features-detailed-grid,
.programming-languages-grid,
.vs-competitors-grid,
.content-types-grid,
.ai-capabilities-grid,
.voice-types-grid,
.technical-features-grid,
.language-grid,
.node-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
}

/* 未定義グリッドクラス群 2 */
.ai-integration-examples-grid,
.advantages-features-grid,
.supported-integrations-grid,
.core-concepts-grid,
.model-categories-grid,
.smart-slides-grid,
.principles-grid,
.models-grid,
.supported-formats-grid,
.advanced-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
}

/* 未定義グリッドクラス群 3 */
.ai-automation-examples-grid,
.automation-categories-grid,
.plan-grid,
.cost-comparison-grid,
.feature-comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.category-link {
    color: #16a34a;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    border: 2px solid #16a34a;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.category-link:hover {
    background-color: #16a34a;
    color: #ffffff;
}

/* カテゴリー機能リスト */
.category-features {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.category-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e2e8f0;
    color: #64748b;
}

.category-features li:last-child {
    border-bottom: none;
}

/* ツールタグ */
.tool-tag {
    display: inline-block;
    background: #16a34a;
    color: #ffffff;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    margin: 0.25rem;
}

/* 特別な装飾が必要なセクション用の追加スタイル */
.prompt-tips,
.industry-examples,
.limitations,
.community-features,
.integrations,
.future-outlook,
.pros-cons-grid,
.alternatives-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
    margin-top: 2rem;
}

.tip-section,
.industry-card,
.limitation-item,
.community-card,
.integration-card,
.outlook-item,
.pros,
.cons,
.alternative-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8faf8 100%);
    border: 2px solid #e2e8f0;
    border-radius: 1.5rem;
    padding: 2.5rem 2rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.08);
}

.tip-section::before,
.industry-card::before,
.limitation-item::before,
.community-card::before,
.integration-card::before,
.outlook-item::before,
.pros::before,
.cons::before,
.alternative-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #059669);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.tip-section:hover,
.industry-card:hover,
.limitation-item:hover,
.community-card:hover,
.integration-card:hover,
.outlook-item:hover,
.pros:hover,
.cons:hover,
.alternative-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(22, 163, 74, 0.15);
    border-color: #16a34a;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.tip-section:hover::before,
.industry-card:hover::before,
.limitation-item:hover::before,
.community-card:hover::before,
.integration-card:hover::before,
.outlook-item:hover::before,
.pros:hover::before,
.cons:hover::before,
.alternative-card:hover::before {
    transform: scaleX(1);
}

.tip-section h3,
.industry-card h3,
.limitation-item h3,
.community-card h3,
.integration-card h3,
.outlook-item h3,
.pros h3,
.cons h3,
.alternative-card h3 {
    color: #1e293b;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
}

.tip-section h3::after,
.industry-card h3::after,
.limitation-item h3::after,
.community-card h3::after,
.integration-card h3::after,
.outlook-item h3::after,
.pros h3::after,
.cons h3::after,
.alternative-card h3::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #16a34a, #059669);
    transition: width 0.4s ease;
}

.tip-section:hover h3::after,
.industry-card:hover h3::after,
.limitation-item:hover h3::after,
.community-card:hover h3::after,
.integration-card:hover h3::after,
.outlook-item:hover h3::after,
.pros:hover h3::after,
.cons:hover h3::after,
.alternative-card:hover h3::after {
    width: 60px;
}

.tip-section p,
.industry-card p,
.limitation-item p,
.community-card p,
.integration-card p,
.outlook-item p,
.pros p,
.cons p,
.alternative-card p {
    color: #64748b;
    line-height: 1.6;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.tip-section ul,
.industry-card ul,
.community-card ul,
.integration-card ul,
.pros ul,
.cons ul {
    color: #64748b;
    padding-left: 1.5rem;
}

.tip-section ul li,
.industry-card ul li,
.community-card ul li,
.integration-card ul li,
.pros ul li,
.cons ul li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 0.5rem;
}

.tip-section ul li::before,
.industry-card ul li::before,
.community-card ul li::before,
.integration-card ul li::before,
.pros ul li::before,
.cons ul li::before {
    content: '▶';
    position: absolute;
    left: -1rem;
    color: #16a34a;
    font-size: 0.8rem;
    font-weight: 700;
}

/* 高解像度ディスプレイ対応 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero::before,
    .cta::before {
        background-size: 50px 50px;
    }
}

/* 比較ページ専用スタイル */
.comparison-categories {
    margin-top: 3rem;
}

.comparison-category {
    margin-bottom: 4rem;
}

/* 削除 - 上部で定義済み */

.comparison-table {
    overflow-x: auto;
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
    border-radius: 1rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 5px 10px -5px rgba(0, 0, 0, 0.04);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    transition: all 0.3s ease;
}

.comparison-table::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 1rem;
    padding: 2px;
    background: linear-gradient(135deg, #16a34a, #059669, #10b981);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.5;
    pointer-events: none;
}

.comparison-table:hover {
    box-shadow: 0 20px 40px -5px rgba(22, 163, 74, 0.15), 0 10px 20px -5px rgba(22, 163, 74, 0.08);
    transform: translateY(-2px);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.comparison-table th {
    background: linear-gradient(135deg, #16a34a 0%, #059669 50%, #10b981 100%);
    color: white;
    padding: 1.2rem 1rem;
    text-align: left;
    font-weight: 700;
    font-size: 0.9rem;
    border-bottom: 3px solid #065f46;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 10;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.comparison-table th:last-child {
    border-right: none;
}

/* ヘッダーの交互パターン */
.comparison-table th:nth-child(even) {
    background: linear-gradient(135deg, #059669 0%, #047857 50%, #065f46 100%);
}

.comparison-table th:nth-child(odd) {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 50%, #14532d 100%);
}

.comparison-table th:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 50%, #065f46 100%);
}

.comparison-table th:first-child {
    border-top-left-radius: 0.75rem;
}

.comparison-table th:last-child {
    border-top-right-radius: 0.75rem;
}

.comparison-table td {
    padding: 1.1rem 1rem;
    border-bottom: 1px solid #e2e8f0;
    vertical-align: middle;
    transition: all 0.2s ease;
    position: relative;
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
}

/* 偶数列の背景色 */
.comparison-table td:nth-child(even) {
    background: linear-gradient(135deg, #f8fafb 0%, #f3f4f6 100%);
}

/* 奇数列の背景色 */
.comparison-table td:nth-child(odd) {
    background: linear-gradient(135deg, #ffffff 0%, #fcfcfc 100%);
}

.comparison-table tbody tr {
    transition: all 0.3s ease;
    position: relative;
}

.comparison-table tbody tr::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #16a34a, transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.comparison-table tbody tr:hover::after {
    opacity: 0.3;
}

.comparison-table tbody tr:hover {
    transform: scale(1.01);
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.08);
    position: relative;
    z-index: 1;
}

.comparison-table tr:hover td {
    background: linear-gradient(90deg, rgba(22, 163, 74, 0.03) 0%, rgba(22, 163, 74, 0.05) 50%, rgba(22, 163, 74, 0.03) 100%);
    border-bottom-color: #16a34a;
}

/* 偶数行の背景色 */
.comparison-table tbody tr:nth-child(even) td {
    background: linear-gradient(135deg, #f0fdf4 0%, #f8fafb 100%);
}

.comparison-table tbody tr:nth-child(even) td:nth-child(even) {
    background: linear-gradient(135deg, #ecfdf5 0%, #f1f5f9 100%);
}

/* 奇数行の背景色 */
.comparison-table tbody tr:nth-child(odd) td {
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
}

.comparison-table tbody tr:nth-child(odd) td:nth-child(even) {
    background: linear-gradient(135deg, #f9fafb 0%, #f4f4f5 100%);
}

/* ホバー時の背景色 */
.comparison-table tbody tr:hover td {
    background: linear-gradient(135deg, rgba(22, 163, 74, 0.08) 0%, rgba(22, 163, 74, 0.04) 100%) !important;
}

.comparison-table tbody tr:hover td:nth-child(even) {
    background: linear-gradient(135deg, rgba(22, 163, 74, 0.1) 0%, rgba(22, 163, 74, 0.06) 100%) !important;
}

.comparison-table td:first-child {
    font-weight: 700;
    color: #0f172a;
    background: linear-gradient(90deg, rgba(22, 163, 74, 0.15) 0%, rgba(22, 163, 74, 0.05) 30%, transparent 60%) !important;
    position: relative;
    padding-left: 1rem;
}

/* 最初の列の偶数行 */
.comparison-table tbody tr:nth-child(even) td:first-child {
    background: linear-gradient(90deg, rgba(22, 163, 74, 0.2) 0%, rgba(22, 163, 74, 0.08) 30%, rgba(241, 245, 249, 0.5) 60%) !important;
}

/* 特定の列にアクセントカラー */
.comparison-table td:nth-child(3),
.comparison-table td:nth-child(5) {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03) 0%, rgba(59, 130, 246, 0.01) 100%);
}

/* 料金列の特別な背景 */
.comparison-table td:nth-child(5) {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.05) 0%, rgba(245, 158, 11, 0.02) 100%);
    font-weight: 600;
    color: #92400e;
}

/* 左側の緑の線を削除（コメントアウト）
.comparison-table td:first-child::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #16a34a, #059669);
    transition: all 0.3s ease;
}

.comparison-table tr:hover td:first-child::before {
    width: 6px;
    background: linear-gradient(180deg, #059669, #047857, #16a34a);
}
*/

.comparison-table strong {
    color: #059669;
    font-weight: 700;
    background: linear-gradient(135deg, #16a34a, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 表の評価マーク用スタイル */
.comparison-table .excellent {
    color: #16a34a;
    font-weight: 700;
    font-size: 1.1rem;
}

.comparison-table .good {
    color: #3b82f6;
    font-weight: 600;
}

.comparison-table .fair {
    color: #f59e0b;
    font-weight: 500;
}

/* アニメーション付きバッジ */
.comparison-table .badge-new {
    display: inline-block;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-left: 0.5rem;
    animation: pulse 2s infinite;
}

.comparison-table .badge-popular {
    display: inline-block;
    background: linear-gradient(135deg, #16a34a, #059669);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-left: 0.5rem;
    animation: shine 3s infinite;
}

@keyframes shine {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* テーブルのセル間にソフトな境界線 */
.comparison-table td {
    border-right: 1px solid rgba(226, 232, 240, 0.5);
}

.comparison-table td:last-child {
    border-right: none;
}

/* チェッカーボードパターン効果 */
.comparison-table tbody tr:nth-child(odd) td:nth-child(odd),
.comparison-table tbody tr:nth-child(even) td:nth-child(even) {
    position: relative;
}

.comparison-table tbody tr:nth-child(odd) td:nth-child(odd)::before,
.comparison-table tbody tr:nth-child(even) td:nth-child(even)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 48%, rgba(22, 163, 74, 0.02) 50%, transparent 52%);
    pointer-events: none;
}

/* 特定のキーワードのハイライト */
.comparison-table td:contains("無料"),
.comparison-table td:contains("Free") {
    position: relative;
}

/* 無料プランのセルに特別な装飾 */
.comparison-table td[data-free="true"] {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%) !important;
}

/* ツールバッジ */
.tool-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    margin: 0.125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.2s ease;
}

.tool-badge.primary {
    background-color: #dcfce7;
    color: #166534;
    border: 1px solid #16a34a;
}

.tool-badge.secondary {
    background-color: #dcfce7;
    color: #166534;
    border: 1px solid #16a34a;
}

.tool-badge.tertiary {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #f59e0b;
}

.tool-badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 用途別おすすめカード */
.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 1.5rem;
    margin-top: 2rem;
}

.use-case-card {
    background-color: #ffffff;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #059669);
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.use-case-card h4 {
    color: #1e293b;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.recommended-tools {
    margin: 1rem 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.use-case-card p {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* フローチャート */
.selection-flow {
    background-color: #ffffff;
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border: 1px solid #e2e8f0;
}

.flow-question h4 {
    color: #1e293b;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    text-align: center;
}

.flow-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.flow-option {
    background-color: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 0.5rem;
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.flow-option:hover {
    background-color: #f1f5f9;
    border-color: #16a34a;
    transform: translateY(-2px);
}

.flow-option.active {
    background-color: #dcfce7;
    border-color: #16a34a;
    color: #166534;
}

.flow-result {
    display: none;
    background-color: #f8fafc;
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-top: 1.5rem;
    border-left: 4px solid #16a34a;
}

.flow-result h5 {
    color: #1e293b;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.flow-recommendations {
    display: grid;
    gap: 1rem;
}

.flow-rec-item {
    background-color: #ffffff;
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid #e2e8f0;
}

.flow-rec-item strong {
    color: #1e293b;
    font-weight: 600;
}

.flow-rec-item p {
    color: #64748b;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* コスト比較 */
.cost-comparison {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.cost-tier {
    background-color: #ffffff;
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border: 2px solid #e2e8f0;
    position: relative;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
}

.cost-tier:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px -5px rgba(0, 0, 0, 0.15), 0 6px 10px -2px rgba(0, 0, 0, 0.08);
    border-color: #94a3b8;
}

.cost-tier.free:hover {
    border-color: #2563eb;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
}

.cost-tier.low-cost:hover {
    border-color: #059669;
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
}

.cost-tier.premium:hover {
    border-color: #d97706;
    background: linear-gradient(135deg, #fef3c7 0%, #fed7aa 100%);
}

.cost-tier::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #94a3b8, #64748b);
    border-radius: 0.75rem 0.75rem 0 0;
}

/* 人気プラン（標準プラン）のスタイル */
.cost-tier.popular {
    border-color: #16a34a;
    border-width: 3px;
    transform: scale(1.02);
    box-shadow: 0 20px 25px -5px rgba(22, 163, 74, 0.1), 0 10px 10px -5px rgba(22, 163, 74, 0.04);
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.cost-tier.popular:hover {
    transform: scale(1.05) translateY(-4px);
    box-shadow: 0 25px 30px -5px rgba(22, 163, 74, 0.15), 0 15px 15px -5px rgba(22, 163, 74, 0.06);
}

.cost-tier.popular::before {
    height: 6px;
    background: linear-gradient(90deg, #16a34a, #059669, #10b981);
}

.cost-tier.popular::after {
    content: '人気';
    position: absolute;
    top: -12px;
    right: 20px;
    background: linear-gradient(135deg, #16a34a, #059669);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: 0 4px 6px -1px rgba(22, 163, 74, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* 無料プランのスタイル */
.cost-tier.free {
    background: linear-gradient(135deg, #eff6ff 0%, #e0f2fe 100%);
    border-color: #3b82f6;
}

.cost-tier.free::before {
    background: linear-gradient(90deg, #3b82f6, #2563eb);
}

/* 低コストプランのスタイル */
.cost-tier.low-cost {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border-color: #10b981;
}

.cost-tier.low-cost::before {
    background: linear-gradient(90deg, #10b981, #059669);
}

/* プレミアムプランのスタイル */
.cost-tier.premium {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-color: #f59e0b;
}

.cost-tier.premium::before {
    background: linear-gradient(90deg, #fbbf24 0%, #f59e0b 25%, #fbbf24 50%, #f59e0b 75%, #fbbf24 100%);
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% { background-position: -100% 0; }
    100% { background-position: 100% 0; }
}

.cost-tier h4 {
    color: #1e293b;
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cost-tier.popular h4 {
    color: #059669;
    font-size: 1.35rem;
}

.cost-tier h4::after {
    content: '';
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, #cbd5e1, transparent);
    margin-left: 1rem;
    opacity: 0.5;
}

.tier-description {
    color: #64748b;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.cost-tools {
    display: grid;
    gap: 1rem;
}

.cost-tool {
    background-color: #f8fafc;
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid #e2e8f0;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.cost-tool::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(22, 163, 74, 0.05), transparent);
    transition: left 0.5s ease;
}

.cost-tool:hover::before {
    left: 100%;
}

.cost-tool:hover {
    background-color: #f1f5f9;
    border-color: #94a3b8;
    transform: translateX(4px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.cost-tier.popular .cost-tool:hover {
    border-color: #16a34a;
    background-color: #f0fdf4;
}

.cost-tier.free .cost-tool:hover {
    border-color: #3b82f6;
    background-color: #eff6ff;
}

.cost-tier.low-cost .cost-tool:hover {
    border-color: #10b981;
    background-color: #f0fdf4;
}

.cost-tier.premium .cost-tool:hover {
    border-color: #f59e0b;
    background-color: #fffbeb;
}

.tool-name {
    font-weight: 600;
    color: #1e293b;
    display: block;
    margin-bottom: 0.25rem;
}

.cost-detail {
    color: #059669;
    font-weight: 500;
    display: block;
    margin-bottom: 0.25rem;
}

.cost-note {
    color: #64748b;
    font-size: 0.8rem;
    display: block;
}

/* コスト最適化のコツ */
.cost-tips {
    margin-top: 3rem;
    background-color: #ffffff;
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border: 1px solid #e2e8f0;
}

.cost-tips h3 {
    color: #1e293b;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    text-align: center;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 1.5rem;
}

.tip-item {
    background-color: #f8fafc;
    padding: 1.5rem;
    border-radius: 0.5rem;
    border-left: 4px solid #16a34a;
    transition: all 0.2s ease;
}

.tip-item:hover {
    background-color: #f1f5f9;
    transform: translateY(-2px);
}

.tip-item h4 {
    color: #1e293b;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.tip-item p {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 初心者ガイド */
.beginner-steps {
    margin-top: 2rem;
}

.guide-step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    background-color: #ffffff;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 5px 10px -5px rgba(0, 0, 0, 0.04);
    border: 2px solid #e2e8f0;
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}

.guide-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #16a34a, #059669);
    border-radius: 0.75rem 0.75rem 0 0;
}

.guide-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.15), 0 10px 20px -5px rgba(0, 0, 0, 0.08);
}

/* 各ステップに異なる色を適用 */
.guide-step:nth-child(1) {
    background: linear-gradient(135deg, #dcfce7 0%, #f0fdf4 100%);
    border-color: #16a34a;
}

.guide-step:nth-child(1)::before {
    background: linear-gradient(90deg, #16a34a, #10b981);
}

.guide-step:nth-child(2) {
    background: linear-gradient(135deg, #dbeafe 0%, #eff6ff 100%);
    border-color: #3b82f6;
}

.guide-step:nth-child(2)::before {
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
}

.guide-step:nth-child(3) {
    background: linear-gradient(135deg, #fed7aa 0%, #ffedd5 100%);
    border-color: #fb923c;
}

.guide-step:nth-child(3)::before {
    background: linear-gradient(90deg, #fb923c, #fdba74);
}

.guide-step:nth-child(4) {
    background: linear-gradient(135deg, #e9d5ff 0%, #f3e8ff 100%);
    border-color: #a855f7;
}

.guide-step:nth-child(4)::before {
    background: linear-gradient(90deg, #a855f7, #c084fc);
}

.guide-step .step-number {
    background: linear-gradient(135deg, #16a34a 0%, #059669 100%);
    color: white;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.5rem;
    margin-right: 1.5rem;
    flex-shrink: 0;
    box-shadow: 0 8px 16px -4px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.guide-step:hover .step-number {
    transform: rotate(360deg) scale(1.1);
}

/* 各ステップの番号に異なる色 */
.guide-step:nth-child(1) .step-number {
    background: linear-gradient(135deg, #16a34a, #10b981);
    box-shadow: 0 8px 16px -4px rgba(22, 163, 74, 0.4);
}

.guide-step:nth-child(2) .step-number {
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    box-shadow: 0 8px 16px -4px rgba(59, 130, 246, 0.4);
}

.guide-step:nth-child(3) .step-number {
    background: linear-gradient(135deg, #fb923c, #fdba74);
    box-shadow: 0 8px 16px -4px rgba(251, 146, 60, 0.4);
}

.guide-step:nth-child(4) .step-number {
    background: linear-gradient(135deg, #a855f7, #c084fc);
    box-shadow: 0 8px 16px -4px rgba(168, 85, 247, 0.4);
}

.step-content {
    flex: 1;
}

.step-content h4 {
    color: #1e293b;
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.step-content h4::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: currentColor;
    opacity: 0.2;
    border-radius: 1px;
}

/* 各ステップのタイトル色 */
.guide-step:nth-child(1) .step-content h4 {
    color: #15803d;
}

.guide-step:nth-child(2) .step-content h4 {
    color: #2563eb;
}

.guide-step:nth-child(3) .step-content h4 {
    color: #ea580c;
}

.guide-step:nth-child(4) .step-content h4 {
    color: #9333ea;
}

.step-content p {
    color: #475569;
    line-height: 1.7;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.step-examples {
    background-color: #f8fafc;
    padding: 1rem;
    border-radius: 0.5rem;
    border-left: 3px solid #16a34a;
    font-size: 0.9rem;
}

.step-examples strong {
    color: #1e293b;
    font-weight: 600;
}

/* 初心者向けおすすめ */
.beginner-recommendations {
    margin-top: 3rem;
}

.beginner-recommendations h3 {
    color: #1e293b;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    text-align: center;
}

.recommendation-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 1.5rem;
}

.rec-card {
    background-color: #ffffff;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.rec-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #059669);
}

.rec-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.rec-card h4 {
    color: #1e293b;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.rec-tools {
    margin: 1rem 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.rec-card p {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 価格プラン専用スタイル */
.pricing {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8faf8 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.pricing::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(22, 163, 74, 0.05) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.pricing .container {
    position: relative;
    z-index: 1;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
    margin-top: 3rem;
    align-items: stretch;
}

.pricing-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8faf8 100%);
    border-radius: 1.5rem;
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 2px solid #e5f5e5;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.08);
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #059669);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(22, 163, 74, 0.15);
    border-color: #16a34a;
}

.pricing-card:hover::before {
    transform: scaleX(1);
}

.pricing-card.featured {
    border-color: #16a34a;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    position: relative;
    transform: scale(1.05);
    box-shadow: 0 15px 35px rgba(22, 163, 74, 0.2);
}

.pricing-card.featured::before {
    transform: scaleX(1);
    height: 6px;
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

/* 無料プラン用スタイル */
.pricing-card.free {
    background: linear-gradient(135deg, #eff6ff 0%, #e0f2fe 100%);
    border-color: #3b82f6;
}

.pricing-card.free::before {
    background: linear-gradient(90deg, #3b82f6, #2563eb);
}

.pricing-card.free h3 {
    color: #2563eb;
}

.pricing-card.free:hover {
    border-color: #2563eb;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
}

/* Teamプラン用スタイル */
.pricing-card.team {
    background: linear-gradient(135deg, #fef3f2 0%, #fee2e2 100%);
    border-color: #f87171;
}

.pricing-card.team::before {
    background: linear-gradient(90deg, #f87171, #ef4444);
}

.pricing-card.team h3 {
    color: #dc2626;
}

.pricing-card.team:hover {
    border-color: #ef4444;
    background: linear-gradient(135deg, #fecaca 0%, #fbbf24 100%);
}

/* Proプラン用スタイル */
.pricing-card.pro {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-color: #f59e0b;
}

.pricing-card.pro::before {
    background: linear-gradient(90deg, #fbbf24 0%, #f59e0b 25%, #fbbf24 50%, #f59e0b 75%, #fbbf24 100%);
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
}

.pricing-card.pro h3 {
    color: #d97706;
}

.pricing-card.pro:hover {
    border-color: #d97706;
    background: linear-gradient(135deg, #fef3c7 0%, #fed7aa 100%);
}

.pricing-card h3 {
    color: #1e293b;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
}

.pricing-card.featured h3 {
    color: #16a34a;
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 800;
    color: #16a34a;
    margin-bottom: 2rem;
    position: relative;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
}

.pricing-card .price span {
    font-size: 1rem;
    font-weight: 500;
    color: #64748b;
}

.pricing-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: left;
}

.pricing-card ul li {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    color: #475569;
    font-size: 0.95rem;
    line-height: 1.5;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(22, 163, 74, 0.1);
}

.pricing-card ul li:last-child {
    border-bottom: none;
}

.pricing-card ul li::before {
    content: '✓';
    color: #16a34a;
    font-weight: 700;
    margin-right: 0.75rem;
    font-size: 1rem;
    background: linear-gradient(135deg, #16a34a, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-card .badge {
    position: absolute;
    top: -8px;
    right: 1rem;
    background: linear-gradient(135deg, #16a34a, #059669);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0 0 0.75rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 8px rgba(22, 163, 74, 0.3);
}

.pricing-card .badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -8px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 8px 8px 0;
    border-color: transparent #047857 transparent transparent;
}

/* 最新アップデート専用スタイル */
.latest-updates {
    padding: 5rem 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.latest-updates::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="updates-pattern" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23updates-pattern)"/></svg>');
    opacity: 0.3;
}

.latest-updates .container {
    position: relative;
    z-index: 1;
}

.latest-updates .section-title {
    color: white;
    margin-bottom: 1rem;
}

.latest-updates .section-title::after {
    background: linear-gradient(90deg, #16a34a, #059669);
}

.updates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
    margin-top: 3rem;
}

.update-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: 1.5rem;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    box-shadow: 0 8px 32px rgba(22, 163, 74, 0.1);
}

.update-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #059669, #047857);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.update-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(22, 163, 74, 0.2);
    border-color: rgba(22, 163, 74, 0.4);
}

.update-card:hover::before {
    transform: scaleX(1);
}

.update-card h3 {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
}

.update-card h3::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #16a34a, #059669);
    border-radius: 2px;
}

.update-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    font-size: 1rem;
    margin: 0;
}

.update-card .update-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, #16a34a, #059669);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 8px rgba(22, 163, 74, 0.3);
}

/* レスポンシブデザイン対応 */
@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-8px);
    }
    
    .pricing-card {
        padding: 2rem 1.5rem;
    }
    
    .pricing-card .price {
        font-size: 2rem;
    }
}

/* 料金プラン選びのポイント用の上部マージン設定 */
.pricing-card.pricing-notes {
    margin-top: 2rem;
}

/* レスポンシブ対応のメディアクエリ */
@media (max-width: 768px) {
    .updates-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .update-card {
        padding: 2rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 2rem 1.5rem;
    }
    
    .guide-cards,
    .guide-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .guide-card {
        padding: 2rem 1.5rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .content-card {
        padding: 2rem 1.5rem;
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }
    
    .step-item .step-number {
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    .comparison-table {
        font-size: 0.8rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 0.5rem 0.375rem;
    }
    
    .flow-options {
        grid-template-columns: 1fr;
    }
    
    .cost-comparison {
        gap: 1rem;
    }
    
    .cost-tier {
        padding: 1.5rem;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .recommendation-cards {
        grid-template-columns: 1fr;
    }
    
    .use-case-grid {
        grid-template-columns: 1fr;
    }
    
    .guide-step {
        flex-direction: column;
        text-align: center;
    }
    
    .guide-step .step-number {
        margin-right: 0;
        margin-bottom: 1rem;
    }
}

/* Use Cases 装飾スタイル */
.use-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
    margin-top: 2rem;
}

.use-case {
    background: linear-gradient(135deg, #ffffff 0%, #f8faf8 100%);
    border: 2px solid #e2e8f0;
    border-radius: 1.5rem;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.08);
}

.use-case::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #059669);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.use-case:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(22, 163, 74, 0.15);
    border-color: #16a34a;
}

.use-case:hover::before {
    transform: scaleX(1);
}

.use-case h3 {
    color: #1e293b;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.use-case h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #16a34a, #059669);
    border-radius: 2px;
    transition: width 0.4s ease;
}

.use-case:hover h3::after {
    width: 60px;
}

.use-case p {
    color: #64748b;
    line-height: 1.6;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.use-case .example {
    background-color: #f8fafc;
    padding: 1rem;
    border-radius: 0.5rem;
    border-left: 3px solid #16a34a;
    font-size: 0.9rem;
}

.use-case .example strong {
    color: #1e293b;
    font-weight: 600;
}

/* Examples Grid 装飾スタイル */
.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
    margin-top: 2rem;
}

.example-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8faf8 100%);
    border: 2px solid #e2e8f0;
    border-radius: 1.5rem;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.08);
}

.example-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #059669);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.example-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(22, 163, 74, 0.15);
    border-color: #16a34a;
}

.example-card:hover::before {
    transform: scaleX(1);
}

.example-card h3 {
    color: #1e293b;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.example-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #16a34a, #059669);
    border-radius: 2px;
    transition: width 0.4s ease;
}

.example-card:hover h3::after {
    width: 60px;
}

.example-card ul {
    color: #64748b;
    padding-left: 1.5rem;
}

.example-card ul li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 0.5rem;
}

.example-card ul li::before {
    content: '▶';
    position: absolute;
    left: -1rem;
    color: #16a34a;
    font-size: 0.8rem;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .use-cases {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .use-case {
        padding: 2rem;
    }
    
    .examples-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .example-card {
        padding: 2rem;
    }
}

/* Tips Grid 装飾スタイル */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.tip-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8faf8 100%);
    border: 2px solid #e2e8f0;
    border-radius: 1.5rem;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.08);
}

.tip-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #059669);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.tip-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(22, 163, 74, 0.15);
    border-color: #16a34a;
}

.tip-card:hover::before {
    transform: scaleX(1);
}

.tip-card h3 {
    color: #1e293b;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.tip-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #16a34a, #059669);
    border-radius: 2px;
    transition: width 0.4s ease;
}

.tip-card:hover h3::after {
    width: 60px;
}

.tip-card p {
    color: #64748b;
    line-height: 1.6;
    font-size: 1rem;
    margin: 0;
}

/* Limitations Grid 装飾スタイル */
.limitations {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
    margin-top: 2rem;
}

.limitation-item {
    background: linear-gradient(135deg, #ffffff 0%, #f8faf8 100%);
    border: 2px solid #e2e8f0;
    border-radius: 1.5rem;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.08);
}

.limitation-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #dc2626, #ef4444);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.limitation-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(220, 38, 38, 0.15);
    border-color: #dc2626;
}

.limitation-item:hover::before {
    transform: scaleX(1);
}

.limitation-item h3 {
    color: #1e293b;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.limitation-item h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #dc2626, #ef4444);
    border-radius: 2px;
    transition: width 0.4s ease;
}

.limitation-item:hover h3::after {
    width: 60px;
}

.limitation-item p {
    color: #64748b;
    line-height: 1.6;
    font-size: 1rem;
    margin: 0;
}

/* Future Outlook Grid 装飾スタイル */
.future-outlook {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
    margin-top: 2rem;
}

.outlook-item {
    background: linear-gradient(135deg, #ffffff 0%, #f8faf8 100%);
    border: 2px solid #e2e8f0;
    border-radius: 1.5rem;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.08);
}

.outlook-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.outlook-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
    border-color: #3b82f6;
}

.outlook-item:hover::before {
    transform: scaleX(1);
}

.outlook-item h3 {
    color: #1e293b;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.outlook-item h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    border-radius: 2px;
    transition: width 0.4s ease;
}

.outlook-item:hover h3::after {
    width: 60px;
}

.outlook-item p {
    color: #64748b;
    line-height: 1.6;
    font-size: 1rem;
    margin: 0;
}

/* Version Timeline 装飾スタイル */
.version-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
    margin-top: 2rem;
}

.version-item {
    background: linear-gradient(135deg, #ffffff 0%, #f8faf8 100%);
    border: 2px solid #e2e8f0;
    border-radius: 1.5rem;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.08);
}

.version-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #8b5cf6, #7c3aed);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.version-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.15);
    border-color: #8b5cf6;
}

.version-item:hover::before {
    transform: scaleX(1);
}

.version-item h3 {
    color: #1e293b;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.version-item h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #8b5cf6, #7c3aed);
    border-radius: 2px;
    transition: width 0.4s ease;
}

.version-item:hover h3::after {
    width: 60px;
}

.version-item p {
    color: #64748b;
    line-height: 1.6;
    font-size: 1rem;
    margin: 0;
}

/* License Info 装飾スタイル */
.license-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
    margin-top: 2rem;
}

.license-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8faf8 100%);
    border: 2px solid #e2e8f0;
    border-radius: 1.5rem;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.08);
}

.license-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #f59e0b, #d97706);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.license-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(245, 158, 11, 0.15);
    border-color: #f59e0b;
}

.license-card:hover::before {
    transform: scaleX(1);
}

.license-card h3 {
    color: #1e293b;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.license-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #f59e0b, #d97706);
    border-radius: 2px;
    transition: width 0.4s ease;
}

.license-card:hover h3::after {
    width: 60px;
}

.license-card p {
    color: #64748b;
    line-height: 1.6;
    font-size: 1rem;
    margin: 0;
}

/* レスポンシブ対応追加 */
@media (max-width: 768px) {
    .tips-grid,
    .limitations,
    .future-outlook,
    .version-timeline,
    .license-info {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .tip-card,
    .limitation-item,
    .outlook-item,
    .version-item,
    .license-card {
        padding: 2rem;
    }
}

/* Content Block 装飾スタイル */
.content-block {
    background: linear-gradient(135deg, #ffffff 0%, #f8faf8 100%);
    border: 2px solid #e2e8f0;
    border-radius: 1.5rem;
    padding: 2.5rem;
    margin-top: 2rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.08);
}

.content-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #059669);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.content-block:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(22, 163, 74, 0.12);
    border-color: #16a34a;
}

.content-block:hover::before {
    transform: scaleX(1);
}

.content-block h3 {
    color: #1e293b;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.content-block h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #16a34a, #059669);
    border-radius: 2px;
    transition: width 0.4s ease;
}

.content-block:hover h3::after {
    width: 80px;
}

.content-block p {
    color: #64748b;
    line-height: 1.7;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.content-block ul {
    color: #64748b;
    padding-left: 0;
    list-style: none;
}

.content-block ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.6;
}

.content-block ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #16a34a;
    font-weight: 700;
    font-size: 1.1rem;
    background: linear-gradient(135deg, #16a34a, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.content-block ul li strong {
    color: #1e293b;
    font-weight: 600;
}

/* Content Grid 装飾スタイル */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 1200px;
    margin: 2rem auto 0;
    gap: 2rem;
}

.content-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8faf8 100%);
    border: 2px solid #e2e8f0;
    border-radius: 1.5rem;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.08);
}

.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #059669);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.content-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(22, 163, 74, 0.15);
    border-color: #16a34a;
}

.content-card:hover::before {
    transform: scaleX(1);
}

.content-card h3 {
    color: #1e293b;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.content-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #16a34a, #059669);
    border-radius: 2px;
    transition: width 0.4s ease;
}

.content-card:hover h3::after {
    width: 60px;
}

.content-card p {
    color: #64748b;
    line-height: 1.6;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.content-card ul {
    color: #64748b;
    padding-left: 1.5rem;
}

.content-card ul li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 0.5rem;
}

.content-card ul li::before {
    content: '▶';
    position: absolute;
    left: -1rem;
    color: #16a34a;
    font-size: 0.8rem;
}

/* レスポンシブ対応追加 */
@media (max-width: 768px) {
    .content-block {
        padding: 2rem;
        margin-top: 1.5rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .content-card {
        padding: 2rem;
    }
} 

/* Utility classes for inline style replacements */
.margin-top-1 { margin-top: 1rem; }
.margin-top-1-5 { margin-top: 1.5rem; }
.margin-top-2 { margin-top: 2rem; }
.flex-gap-1 { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1rem; }
.flex-gap-1-5 { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }
.flex-gap-2 { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }
.overflow-x-auto { overflow-x: auto; }

/* Table styling */
.table-responsive { 
    width: 100%; 
    border-collapse: collapse; 
    margin-top: 1rem;
    font-size: 0.9rem;
}
.table-responsive th,
.table-responsive td {
    padding: 1rem;
    text-align: left;
    border: 1px solid #e2e8f0;
}
.table-responsive th {
    background-color: #f8fafc;
    font-weight: 600;
    color: #374151;
}
.table-responsive td {
    color: #64748b;
}
.table-header { 
    background-color: #f8fafc;
}
.table-padding { padding: 0.75rem; }
}

.border-light { border: 1px solid #e2e8f0; }

/* Template specific styling */
.template-hidden { display: none; }
.template-shown { display: block; }