/* =================================
   Green.css - 比較ページ専用スタイル（最適化版）
   テレビ・冷蔵庫の統一スタイル
   ================================= */

/* CSS変数定義 */
:root {
    --gradient-green: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    --gradient-blue: linear-gradient(135deg, #eff6ff, #dbeafe);
    --gradient-yellow: linear-gradient(135deg, #fefce8, #fef3c7);
    --gradient-pink: linear-gradient(135deg, #fdf2f8, #fce7f3);
    --gradient-purple: linear-gradient(135deg, #f5f3ff, #ede9fe);
    --gradient-red: linear-gradient(135deg, #fef2f2, #fee2e2);
    --color-green: #059669;
    --color-green-dark: #047857;
    --color-green-light: #10b981;
    --border-radius: 12px;
    --shadow-standard: 0 4px 15px rgba(0,0,0,0.1);
    --shadow-hover: 0 8px 25px rgba(0,0,0,0.15);
    --padding-standard: 20px;
    --padding-large: 40px;
}

/* 基本設定 */
* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', sans-serif;
    line-height: 1.7;
    color: #333;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* =================================
   ヘッダー
   ================================= */

.header {
    background: linear-gradient(135deg, #047857 0%, #059669 50%, #10b981 100%);
    color: white;
    padding: 40px 20px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(4, 120, 87, 0.2);
}

/* =================================
   メイン記事エリア
   ================================= */

.comparison-article {
    background: #f8fafc;
    min-height: 100vh;
    padding: 20px 0;
}

.article-header {
    text-align: center;
    padding: 40px 20px;
    background: white;
    margin-bottom: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    max-width: 1200px;
    margin: 0 auto 30px;
}

.updated-date {
    color: #64748b;
    font-size: 0.9rem;
    margin: 0;
}

/* =================================
   イントロセクション
   ================================= */

.intro-section {
    background: white;
    padding: 40px;
    border-radius: 12px;
    margin: 30px auto;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    max-width: 1200px;
}

.intro-text-box {
    background: var(--gradient-green);
    padding: 25px;
    border-radius: var(--border-radius);
    border-left: 6px solid var(--color-green);
    margin-bottom: 30px;
}

.intro-points-box {
    background: #f8fafc;
    padding: 30px;
    border-radius: 12px;
    border: 2px solid #e5e7eb;
}

.intro-points-title {
    color: #047857;
    font-size: 1.3rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: bold;
}

.intro-points-title .icon {
    color: #059669;
    font-size: 1.5rem;
}

.intro-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 15px;
}

.intro-point-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.1);
}

.intro-point-number {
    background: #059669;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    flex-shrink: 0;
}

.intro-point-text {
    color: #374151;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* =================================
   VSセクション
   ================================= */

.vs-section {
    background: linear-gradient(135deg, #059669, #10b981);
    color: white;
    text-align: center;
    padding: 20px;
    margin: 40px auto 10px;
    border-radius: 12px;
    font-size: 1.5rem;
    font-weight: bold;
    max-width: 1200px;
    box-shadow: 0 4px 15px rgba(5, 150, 105, 0.3);
}

/* =================================
   テーブルスタイル
   ================================= */
.table-wrapper {
    width: 100%;
    overflow: visible;
    margin-bottom: 40px;
}

.capacity-table {
    width: 100%;
    border-collapse: collapse;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    border-radius: 12px;
    overflow: hidden;
    background: white;
    table-layout: fixed;
}

.capacity-table th {
    padding: 25px 30px;
    text-align: center;
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    font-weight: bold;
    color: #047857;
    font-size: 1.1rem;
    border-bottom: 2px solid #059669;
}

.capacity-table td {
    padding: 20px 25px;
    text-align: left;
    background: linear-gradient(135deg, #fefffe, #f8fafc);
    border-bottom: 1px solid #e5e7eb;
    color: #1f2937;
}

.capacity-table .header-category {
    width: 20%;
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    color: #334155;
}

.capacity-table .header-oled {
    width: 40%;
    background: linear-gradient(135deg, #fefce8, #fef3c7);
    border-left: 6px solid #f59e0b;
    color: #047857;
}

.capacity-table .header-lcd {
    width: 40%;
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    border-left: 6px solid #3b82f6;
    color: #047857;
}

/* 5色対応テーブルヘッダー */
.capacity-table .header-entry {
    width: 26.7%;
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5) !important;
    border-left: 6px solid #10b981 !important;
}

.capacity-table .header-mid {
    width: 26.7%;
    background: linear-gradient(135deg, #eff6ff, #dbeafe) !important;
    border-left: 6px solid #3b82f6 !important;
}

.capacity-table .header-high {
    width: 26.7%;
    background: linear-gradient(135deg, #fdf2f8, #fce7f3) !important;
    border-left: 6px solid #ec4899 !important;
}

.capacity-table .header-premium {
    width: 26.7%;
    background: linear-gradient(135deg, #f5f3ff, #ede9fe) !important;
    border-left: 6px solid #8b5cf6 !important;
}

.capacity-table .header-special {
    width: 26.7%;
    background: linear-gradient(135deg, #fef2f2, #fee2e2) !important;
    border-left: 6px solid #ef4444 !important;
}

.capacity-table .cell-category {
    text-align: center;
    font-weight: bold;
    background: linear-gradient(135deg, #f8fafc, #f1f5f9) !important;
    padding: 25px 30px;
    border-bottom: 1px solid #e5e7eb;
    border-right: 1px solid #cbd5e1;
    vertical-align: top;
    color: #334155;
}

.capacity-table .cell-oled {
    background: linear-gradient(135deg, #fefce8, #fef3c7);
    border-left: 6px solid #f59e0b;
    padding: 25px 30px;
    border-bottom: 1px solid #e5e7eb;
    vertical-align: top;
    text-align: left;
}

.capacity-table .cell-lcd {
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    border-left: 6px solid #3b82f6;
    padding: 25px 30px;
    border-bottom: 1px solid #e5e7eb;
    vertical-align: top;
    text-align: left;
}

/* 5色対応テーブルセル */
.capacity-table .cell-entry {
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5) !important;
    border-left: 6px solid #10b981 !important;
    padding: 25px 30px !important;
}

.capacity-table .cell-mid {
    background: linear-gradient(135deg, #eff6ff, #dbeafe) !important;
    border-left: 6px solid #3b82f6 !important;
    padding: 25px 30px !important;
}

.capacity-table .cell-high {
    background: linear-gradient(135deg, #fdf2f8, #fce7f3) !important;
    border-left: 6px solid #ec4899 !important;
    padding: 25px 30px !important;
}

.capacity-table .cell-premium {
    background: linear-gradient(135deg, #f5f3ff, #ede9fe) !important;
    border-left: 6px solid #8b5cf6 !important;
    padding: 25px 30px !important;
}

.capacity-table .cell-special {
    background: linear-gradient(135deg, #fef2f2, #fee2e2) !important;
    border-left: 6px solid #ef4444 !important;
    padding: 25px 30px !important;
}

.capacity-table .detail-list {
    text-align: left;
    margin: 10px 0;
    padding-left: 0;
    list-style: none;
}

.capacity-table .detail-list li {
    margin: 6px 0;
    line-height: 1.5;
    text-align: left;
    padding-left: 15px;
    position: relative;
}

.capacity-table .detail-list li:before {
    content: "・";
    color: #059669;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.capacity-table .detail-note {
    font-size: 0.9rem;
    color: #374151;
    margin-top: 10px;
    font-weight: 500;
}

/* =================================
   スコア表示
   ================================= */
.score {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: bold;
    margin-bottom: 10px;
    background: #fef3c7;
    color: #92400e;
}

/* 2025年おすすめモデル用のシンプルボックス */
.model-box {
    padding: 15px;
    margin: 10px 0;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.model-box h4 {
    margin-bottom: 10px;
    font-size: 1.1rem;
    font-weight: bold;
}

.model-box p {
    margin: 8px 0;
    line-height: 1.5;
    color: #374151;
}

/* =================================
   機能カード
   ================================= */

.feature-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

/* カラフルな機能カード - ベーススタイル */
.feature-card-green,
.feature-card-blue,
.feature-card-red,
.feature-card-yellow,
.feature-card-purple,
.feature-card-pink {
    padding: var(--padding-standard);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-standard);
    border-left: 4px solid;
    transition: all 0.3s ease;
}

.feature-card-green {
    border-left-color: var(--color-green-light);
    background: linear-gradient(135deg, #ffffff, #f0fdf4);
}

.feature-card-blue {
    border-left-color: #3b82f6;
    background: linear-gradient(135deg, #ffffff, #eff6ff);
}

.feature-card-red {
    border-left-color: #ef4444;
    background: linear-gradient(135deg, #ffffff, #fef2f2);
}

.feature-card-yellow {
    border-left-color: #f59e0b;
    background: linear-gradient(135deg, #ffffff, #fffbeb);
}

.feature-card-purple {
    border-left-color: #8b5cf6;
    background: linear-gradient(135deg, #ffffff, #f5f3ff);
}

.feature-card-pink {
    border-left-color: #ec4899;
    background: linear-gradient(135deg, #ffffff, #fdf2f8);
}

/* =================================
   共通セクションスタイル
   ================================= */

.section-white {
    background: white;
    padding: var(--padding-large);
    border-radius: var(--border-radius);
    margin: 30px auto;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    max-width: 1200px;
}

.content-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    color: #047857;
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.8rem;
    font-weight: bold;
}

/* グリッドレイアウト */
.grid-2-col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.grid-3-col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

/* リストスタイル */
.detail-list-clean {
    text-align: left;
    margin: 10px 0;
    padding-left: 20px;
    list-style: disc;
}

.detail-list-clean li {
    margin: 8px 0;
    line-height: 1.5;
}

/* =================================
   まとめ・関連記事セクション
   ================================= */

.summary-section {
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    padding: 40px;
    border-radius: 15px;
    margin: 50px auto;
    text-align: center;
    border-left: 6px solid #10b981;
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.2);
    max-width: 1200px;
}

.summary-title {
    color: #047857;
    margin-bottom: 25px;
    font-size: 1.8rem;
    font-weight: bold;
}

/* =================================
   追加の汎用クラス
   ================================= */

/* テキストスタイル */
.text-center {
    text-align: center;
}

.font-bold {
    font-weight: bold;
}

/* リンクカード（ホバーエフェクト付き） */
.hover-card {
    text-decoration: none;
    display: block;
    transition: all 0.3s ease;
}

.hover-card:hover {
    transform: translateY(-3px);
}

/* ノートテキスト */
.note-text-clean {
    margin-top: 15px;
    font-size: 0.9rem;
    color: #64748b;
}

.text-xl { 
    font-size: 1.2rem; 
}

.text-green { 
    color: #047857; 
}

/* =================================
   共通セクション追加スタイル
   ================================= */

/* 計算式強調ボックス（共通） */
.formula-highlight-box {
    padding: 20px;
    background: white;
    border-radius: 12px;
    margin: 20px 0;
    border: 2px solid #10b981;
    box-shadow: 0 2px 8px rgba(5, 150, 105, 0.1);
}

/* メリット・デメリットグリッド（共通） */
.pros-cons-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.pros-title {
    color: #10b981;
    margin-bottom: 15px;
    font-weight: bold;
}

.cons-title {
    color: #ef4444;
    margin-bottom: 15px;
    font-weight: bold;
}

/* =================================
   共通セクション・コンポーネント
   ================================= */

/* 情報・警告ボックス */
.info-box,
.warning-box {
    padding: var(--padding-standard);
    border-radius: 8px;
    border-left: 4px solid;
    margin: 20px 0;
}

.info-box {
    background: #e0f2fe;
    border-left-color: #0284c7;
}

.warning-box {
    background: #fef3c7;
    border-left-color: #f59e0b;
}

/* =================================
   アクションリンク
   ================================= */
.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.action-link {
    text-decoration: none;
    display: block;
    padding: 20px;
    border-radius: 8px;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
}

.action-link-primary {
    background: #059669;
    color: white;
}

.action-link-primary:hover {
    transform: translateY(-2px);
    background: #047857;
}

.action-link-secondary {
    background: white;
    color: #059669;
    border: 2px solid #059669;
}

.action-link-secondary:hover {
    transform: translateY(-2px);
    background: #f0fdf4;
}

/* =================================
   レスポンシブ対応
   ================================= */

@media (max-width: 768px) {
    /* 共通グリッド（モバイル1カラム） */
    .intro-points-grid,
    .grid-2-col,
    .grid-3-col,
    .action-grid,
    .pros-cons-grid {
        grid-template-columns: 1fr;
    }
    
    /* フォントサイズ調整 */
    .article-header h1 {
        font-size: 1.8rem;
    }
    
    /* パディング調整 */
    .intro-section {
        padding: 25px;
    }
    
    /* テーブル調整 */
    .capacity-table th,
    .capacity-table td {
        padding: 15px 10px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .intro-section {
        padding: 20px;
    }
    
    .article-header {
        padding: 30px 15px;
    }
    
    .capacity-table th,
    .capacity-table td {
        padding: 12px 8px;
        font-size: 0.8rem;
    }
}

/* =================================
   詳細フッター（統一版）
   ================================= */

.footer-detailed {
    background: #1f2937;
    color: white;
    padding: 40px 20px;
    margin-top: 60px;
}

.footer-header {
    text-align: center;
    margin-bottom: 20px;
}

.footer-header h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    font-weight: bold;
}

.footer-header p {
    opacity: 0.9;
    margin: 0;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.footer-nav a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    color: white;
    text-decoration: underline;
}

.footer-divider {
    margin: 20px 0;
    border-color: #374151;
    border-style: solid;
    border-width: 1px 0 0 0;
}

.footer-copyright {
    text-align: center;
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* カテゴリ別ドロップダウン */
.footer-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 30px 0;
    padding: 20px 0;
}

.footer-category-group {
    background: rgba(55, 65, 81, 0.5);
    padding: 20px;
    border-radius: 12px;
    border-left: 4px solid #10b981;
}

.footer-category-group h4 {
    color: #10b981;
    margin-bottom: 15px;
    font-size: 1.1rem;
    font-weight: bold;
}

.footer-category-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    font-size: 0.9rem;
}

.footer-category-links a {
    color: #d1d5db;
    text-decoration: none;
    padding: 4px 0;
    transition: color 0.3s ease;
}

.footer-category-links a:hover {
    color: white;
    text-decoration: underline;
}

/* =================================
   ランキングページ用スタイル
   ================================= */

/* ヒーローセクション */
.hero {
    background: linear-gradient(135deg, #047857 0%, #059669 50%, #10b981 100%);
    color: white;
    padding: 60px 20px;
    text-align: center;
    margin-bottom: 40px;
    box-shadow: 0 8px 25px rgba(4, 120, 87, 0.3);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: sparkle 20s linear infinite;
}

@keyframes sparkle {
    0% { transform: translateY(0); }
    100% { transform: translateY(-100px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 15px;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease-out;
}

.hero-content p {
    font-size: 1.1rem;
    opacity: 0.95;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
    animation: fadeInUp 1s ease-out 0.3s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero a {
    text-decoration: none;
    color: inherit;
}

/* ランキングコンテナ */
.ranking-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 価格アラート */
.price-alert {
    background: linear-gradient(135deg, #fef3c7, #fed7aa);
    padding: 25px;
    border-radius: 15px;
    margin: 30px 0;
    border-left: 6px solid #f59e0b;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.2);
}

.price-alert h3 {
    color: #92400e;
    margin-bottom: 15px;
    font-size: 1.3rem;
    font-weight: bold;
}

.price-alert p {
    margin: 10px 0;
    color: #78350f;
    line-height: 1.6;
}

/* クイックナビゲーション */
.quick-nav {
    background: white;
    padding: 30px;
    border-radius: 15px;
    margin: 30px 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.quick-nav h2 {
    color: #047857;
    text-align: center;
    margin-bottom: 25px;
    font-size: 1.5rem;
    font-weight: bold;
}

.quick-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
}

.quick-nav-item {
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    padding: 15px;
    border-radius: 12px;
    text-align: center;
    border: 2px solid #d1fae5;
    transition: all 0.3s ease;
}

.quick-nav-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.15);
    border-color: #10b981;
}

.quick-nav-item div {
    font-weight: bold;
    color: #047857;
    margin-bottom: 5px;
}

.quick-nav-item small {
    color: #374151;
    font-size: 0.85rem;
}

/* ランキングセクション */
.ranking-section {
    margin: 40px 0;
}

.ranking-section h2 {
    color: #047857;
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.8rem;
    font-weight: bold;
}

/* ランキング項目 */
.ranking-item {
    position: relative;
    overflow: hidden;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    margin-bottom: 25px;
    transition: all 0.3s ease;
    border: 2px solid #f1f5f9;
}

.ranking-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    border-color: #10b981;
}

.ranking-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, #047857, #10b981);
    border-top-left-radius: 13px;
    border-top-right-radius: 13px;
}

/* ランキング番号 */
.ranking-number {
    position: absolute;
    top: 15px;
    left: 15px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: #b45309;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
    border: 3px solid white;
    z-index: 2;
}

/* ランキングコンテンツ */
.ranking-content {
    padding: 40px 30px 30px 30px;
    margin-left: 60px;
}

/* 商品ヘッダー */
.product-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    gap: 20px;
}

.product-title {
    color: #047857;
    font-size: 1.4rem;
    font-weight: bold;
    margin-bottom: 10px;
}

.discount-badge {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    margin-left: 10px;
}

.product-meta {
    color: #6b7280;
    font-size: 0.9rem;
    margin-top: 5px;
}

/* 価格情報 */
.price-info {
    background: linear-gradient(135deg, #fefce8, #fef3c7);
    border-left: 6px solid #f59e0b;
    padding: 15px 20px;
    border-radius: 8px;
    text-align: center;
    min-width: 200px;
    flex-shrink: 0;
}

.current-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: #dc2626;
    margin-bottom: 5px;
}

.price-compare {
    font-size: 0.9rem;
    color: #059669;
    font-weight: 500;
}

/* 商品説明 */
.product-description {
    margin: 20px 0;
    padding: 20px;
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    border-radius: 10px;
    border-left: 4px solid var(--color-green);
    color: #374151;
    line-height: 1.8;
    font-size: 0.95rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* 商品特徴リスト */
.product-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
    margin: 25px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    border-radius: 8px;
    border-left: 3px solid;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.feature-item:nth-child(1) {
    background: linear-gradient(135deg, #ffffff, #eff6ff);
    border-left-color: #3b82f6;
}

.feature-item:nth-child(1) span:first-child {
    color: #3b82f6;
}

.feature-item:nth-child(2) {
    background: linear-gradient(135deg, #ffffff, #fffbeb);
    border-left-color: #f59e0b;
}

.feature-item:nth-child(2) span:first-child {
    color: #f59e0b;
}

.feature-item:nth-child(3) {
    background: linear-gradient(135deg, #ffffff, #f5f3ff);
    border-left-color: #8b5cf6;
}

.feature-item:nth-child(3) span:first-child {
    color: #8b5cf6;
}

.feature-item:nth-child(4) {
    background: linear-gradient(135deg, #ffffff, #fdf2f8);
    border-left-color: #ec4899;
}

.feature-item:nth-child(4) span:first-child {
    color: #ec4899;
}

.feature-item span:first-child {
    font-weight: bold;
    font-size: 1.1rem;
}

/* 価格比較ボタンコンテナ */
.price-compare-btn-container {
    text-align: center;
    margin-top: 20px;
}

/* おすすめポイント・注意点 */
.pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 20px 0;
}

.pros {
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    padding: 20px;
    border-radius: 12px;
    border-left: 4px solid #10b981;
}

.cons {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    padding: 20px;
    border-radius: 12px;
    border-left: 4px solid #ef4444;
}

.pros h4, .cons h4 {
    margin-bottom: 10px;
    font-size: 1.1rem;
    color: #1f2937;
}

.pros p, .cons p {
    margin: 0;
    color: #4b5563;
    line-height: 1.6;
}

/* 購入ガイドセクション */
.buying-guide {
    background: white;
    padding: 40px;
    border-radius: 15px;
    margin: 40px 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.buying-guide h2 {
    color: #047857;
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.8rem;
    font-weight: bold;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.guide-card {
    padding: 25px;
    border-radius: 12px;
    border-left: 4px solid;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.guide-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.guide-card:nth-child(1) {
    background: linear-gradient(135deg, #ffffff, #eff6ff);
    border-left-color: #3b82f6;
}

.guide-card:nth-child(2) {
    background: linear-gradient(135deg, #ffffff, #fffbeb);
    border-left-color: #f59e0b;
}

.guide-card:nth-child(3) {
    background: linear-gradient(135deg, #ffffff, #f5f3ff);
    border-left-color: #8b5cf6;
}

.guide-card:nth-child(4) {
    background: linear-gradient(135deg, #ffffff, #fdf2f8);
    border-left-color: #ec4899;
}

.guide-card h3 {
    color: #047857;
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: bold;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .ranking-number {
        position: absolute;
        top: 10px;
        left: 10px;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .ranking-content {
        margin-left: 0;
        padding: 70px 20px 20px 20px;
    }
    
    .product-header {
        flex-direction: column;
        text-align: center;
    }
    
    .price-info {
        text-align: center;
        margin-top: 15px;
        width: 100%;
        max-width: none;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .ranking-container {
        padding: 0 15px;
    }
    
    .pros-cons {
        grid-template-columns: 1fr;
    }
}

/* =================================
   FAQ・詳細スペック用スタイル
   ================================= */

/* 詳細スペックアコーディオン */
.spec-details {
    margin: 15px 0;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.spec-details:hover {
    border-color: #10b981;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
}

.spec-summary {
    cursor: pointer;
    padding: 15px 20px;
    background: linear-gradient(135deg, #ffffff, #f8fafc);
    font-weight: bold;
    color: #047857;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
}

.spec-summary::before {
    content: '❓';
    margin-right: 10px;
    font-size: 1.1rem;
}

.spec-summary::after {
    content: '▼';
    font-size: 0.8rem;
    color: #10b981;
    transition: transform 0.3s ease;
    margin-left: auto;
}

.spec-details[open] .spec-summary::after {
    transform: rotate(180deg);
}

.spec-summary:hover {
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
}

.spec-details[open] {
    border-color: #10b981;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

.spec-details[open] .spec-summary {
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    border-bottom: 1px solid #d1fae5;
}

/* FAQ回答スタイル */
.faq-answer {
    padding: 20px;
    margin: 0;
    background: #ffffff;
    color: #374151;
    line-height: 1.8;
    font-size: 0.95rem;
}

/* =================================
   価格比較ボタン
   ================================= */

.btn-price-compare, .comparison-btn {
    display: inline-block;
    background: linear-gradient(135deg, #059669, #10b981);
    color: white;
    padding: 14px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.95rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(5, 150, 105, 0.3);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    min-width: 200px;
}

.btn-price-compare:hover, .comparison-btn:hover {
    background: linear-gradient(135deg, #047857, #059669);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(5, 150, 105, 0.4);
    color: white;
    text-decoration: none;
}

.btn-price-compare:active, .comparison-btn:active {
    transform: translateY(0);
}

/* プライマリーボタン */
.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, #059669, #10b981);
    color: white;
    padding: 16px 32px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(5, 150, 105, 0.3);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    min-width: 220px;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #047857, #059669);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(5, 150, 105, 0.4);
    color: white;
    text-decoration: none;
}

/* マージンクラス */
.mt-25 {
    margin-top: 25px;
}

.mt-20 {
    margin-top: 20px;
}

/* 価格比較ボタンの特定性を高める */
.text-center .btn-price-compare {
    display: inline-block !important;
    background: linear-gradient(135deg, #059669, #10b981) !important;
    color: white !important;
    padding: 14px 24px !important;
    border-radius: 25px !important;
    text-decoration: none !important;
    font-weight: bold !important;
    font-size: 0.95rem !important;
    text-align: center !important;
    box-shadow: 0 4px 15px rgba(5, 150, 105, 0.3) !important;
    transition: all 0.3s ease !important;
    border: none !important;
    cursor: pointer !important;
    min-width: 200px !important;
}

.text-center .btn-price-compare:hover {
    background: linear-gradient(135deg, #047857, #059669) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(5, 150, 105, 0.4) !important;
    color: white !important;
    text-decoration: none !important;
}

/* より強力なセレクタで全てのボタンをカバー */
a.btn-price-compare,
.ranking-item .btn-price-compare,
.text-center a[href*="keyword"],
a[href*="keyword"].btn-price-compare {
    display: inline-block !important;
    background: linear-gradient(135deg, #059669, #10b981) !important;
    color: white !important;
    padding: 14px 24px !important;
    border-radius: 25px !important;
    text-decoration: none !important;
    font-weight: bold !important;
    font-size: 0.95rem !important;
    text-align: center !important;
    box-shadow: 0 4px 15px rgba(5, 150, 105, 0.3) !important;
    transition: all 0.3s ease !important;
    border: none !important;
    cursor: pointer !important;
    min-width: 200px !important;
    line-height: 1.4 !important;
}

a.btn-price-compare:hover,
.ranking-item .btn-price-compare:hover,
.text-center a[href*="keyword"]:hover,
a[href*="keyword"].btn-price-compare:hover {
    background: linear-gradient(135deg, #047857, #059669) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(5, 150, 105, 0.4) !important;
    color: white !important;
    text-decoration: none !important;
}