/* 全体の基本設定 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: 'Noto Sans JP', sans-serif;
            background-color: #f8f9fa;
            color: #333333;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        .container {
            max-width: 760px;
            margin: 0 auto;
            padding: 20px;
            flex-grow: 1;
            width: 100%;
        }

        /* ヘッダー（すりガラス風） */
        .header {
            position: relative;
            text-align: center;
            margin-bottom: 24px;
            padding: 24px 20px;
            background: rgba(255, 255, 255, 0.8);
            border-radius: 16px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.03);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            overflow: hidden;
            z-index: 1;
        }

        .header-bg-icon {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) rotate(-10deg);
            width: 120px;
            opacity: 0.06;
            z-index: -1;
            pointer-events: none;
        }

        .header h1 {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.1em;
            color: #1a1a1a;
            margin-bottom: 8px;
        }

        .breadcrumb {
            display: inline-block;
            font-size: 12px;
            color: #666666;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .breadcrumb:hover {
            color: #1a1a1a;
        }

        /* ヒーロービジュアル */
        .hero-section {
            width: 100%;
            height: 260px;
            border-radius: 16px;
            overflow: hidden;
            margin-bottom: 24px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
            position: relative;
        }

        .hero-section img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-title-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 40px 20px 20px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            color: #ffffff;
        }

        .hero-title-overlay h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .hero-title-overlay p {
            font-size: 13px;
            opacity: 0.9;
        }

        /* 💡 広告プレースホルダー */
        .ad-banner {
            background: #ffffff;
            padding: 20px;
            border-radius: 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
            border: 1px dashed #bbbbbb;
            text-align: center;
            color: #888888;
            font-size: 12px;
            letter-spacing: 0.05em;
            margin-bottom: 32px;
        }

        /* 本文エリア */
        .content-section {
            background: #ffffff;
            padding: 32px 24px;
            border-radius: 16px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
            margin-bottom: 32px;
        }

        .content-section p {
            font-size: 14px;
            color: #555555;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .content-section p:last-child {
            margin-bottom: 0;
        }

        /* セクション見出し */
        .section-title {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 20px 0;
            padding-left: 12px;
            border-left: 4px solid #e60012;
            color: #111;
        }

        /* 🖼️ 見どころリスト（カード型デザイン・1カラム） */
        .spot-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 24px;
            margin-bottom: 32px;
        }

        .spot-card {
            background: #ffffff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid rgba(0, 0, 0, 0.02);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .spot-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
        }

        .spot-image {
            width: 100%;
            aspect-ratio: 3 / 2;
            /* 画像＋テキストで全体が正方形（1:1）に近い美しいカードになる黄金比 */
            position: relative;
        }

        .spot-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .spot-info {
            padding: 20px 24px;
        }

        .spot-info h4 {
            font-size: 16px;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .spot-info p {
            font-size: 13px;
            color: #555555;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* トラベル情報（アフィリエイト想定枠） */
        .travel-info-box {
            background: #ffffff;
            padding: 24px;
            border-radius: 16px;
            margin-bottom: 32px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
            border: 1px solid #e9ecef;
            border-left: 4px solid #42a5f5;
        }

        .travel-info-box h4 {
            font-size: 15px;
            margin-bottom: 12px;
            color: #1a1a1a;
        }

        .travel-info-box p {
            font-size: 13px;
            color: #555555;
            margin-bottom: 20px;
        }

        .affiliate-btn {
            display: block;
            width: 100%;
            padding: 16px;
            background: #1a1a1a;
            color: #ffffff;
            text-align: center;
            text-decoration: none;
            font-weight: 700;
            border-radius: 8px;
            font-size: 14px;
            transition: all 0.2s ease;
        }

        .affiliate-btn:hover {
            background: #333333;
            transform: translateY(-2px);
        }

        /* 戻るボタン */
        .back-btn-container {
            text-align: center;
            margin-top: 40px;
        }

        .back-btn {
            display: inline-block;
            padding: 14px 40px;
            background: #ffffff;
            color: #333333;
            text-decoration: none;
            font-size: 14px;
            font-weight: 700;
            border-radius: 30px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #eeeeee;
            transition: all 0.2s ease;
        }

        .back-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        }

        /* フッター */
        .footer {
            background-color: #ffffff;
            border-top: 1px solid #e9ecef;
            padding: 40px 20px;
            margin-top: 60px;
        }

        .footer-content {
            max-width: 720px;
            margin: 0 auto;
        }

        .disclaimer-box {
            font-size: 12px;
            color: #666666;
            line-height: 1.7;
            text-align: left;
        }

        .disclaimer-box p {
            margin-bottom: 8px;
        }

        .disclaimer-box p:last-child {
            margin-bottom: 0;
        }

        .copyright {
            text-align: center;
            font-size: 12px;
            color: #888888;
            margin-top: 24px;
        }

        /* 同じ海域へのナビゲーション */
        .saga-navigation {
            margin-bottom: 24px;
        }

        .saga-title {
            font-size: 16px;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 12px;
            padding-left: 12px;
            border-left: 4px solid #1a1a1a;
        }

        .saga-btn-container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .saga-btn {
            display: inline-block;
            padding: 8px 16px;
            background: #ffffff;
            color: #555;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .saga-btn:hover {
            background: #f0f4f8; /* ほんのり海を感じるごく薄いブルー */
            border-color: #cbd5e1;
            color: #1a1a1a;
            transform: translateY(-2px); /* 浮き上がるマイクロアニメーション */
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }

        .saga-btn.active {
            background: #1e3a5f; /* 単なる黒ではなく、深い「ネイビー（海色）」に */
            color: #ffffff;
            border-color: #1e3a5f;
            box-shadow: 0 4px 12px rgba(30, 58, 95, 0.2);
            transform: translateY(0); /* アクティブなものは沈んだまま */
        }
/* 海域間のページネーションナビゲーション */
.saga-nav-pagination {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px dashed #d1d5db;
}

.pagination-btn {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background-color: #ffffff;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    text-decoration: none;
    color: #1e3a5f;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    line-height: 1.4;
}

.pagination-btn:hover {
    background-color: #1e3a5f;
    color: #ffffff;
    border-color: #1e3a5f;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.15);
}

.pagination-btn.prev {
    justify-content: flex-start;
}

.pagination-btn.next {
    justify-content: flex-end;
    text-align: right;
}

.pagination-btn.empty {
    visibility: hidden;
}

@media (max-width: 600px) {
    .saga-nav-pagination {
        flex-direction: column;
    }
    .pagination-btn.prev, .pagination-btn.next {
        justify-content: center;
        text-align: center;
    }
}

.pagination-btn.prev::before {
    content: "";
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-right: 12px;
    background-color: currentColor;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M12 22a10 10 0 110-20 10 10 0 010 20z M14 17l-5-5 5-5'/%3E%3C/svg%3E") no-repeat center;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M12 22a10 10 0 110-20 10 10 0 010 20z M14 17l-5-5 5-5'/%3E%3C/svg%3E") no-repeat center;
    -webkit-mask-size: contain;
    mask-size: contain;
    flex-shrink: 0;
}

.pagination-btn.next::after {
    content: "";
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-left: 12px;
    background-color: currentColor;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M12 22a10 10 0 110-20 10 10 0 010 20z M10 17l5-5-5-5'/%3E%3C/svg%3E") no-repeat center;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M12 22a10 10 0 110-20 10 10 0 010 20z M10 17l5-5-5-5'/%3E%3C/svg%3E") no-repeat center;
    -webkit-mask-size: contain;
    mask-size: contain;
    flex-shrink: 0;
}

.spot-location {
    font-size: 0.85rem;
    color: #64748b;
    margin-top: 2px;
    margin-bottom: 8px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 聖地シンクロ度 */
.spot-sync-rate {
    font-size: 0.8rem;
    margin-bottom: 8px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    background: #f8fafc;
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid #e2e8f0;
    width: fit-content;
}
.spot-sync-rate .sync-label {
    color: #475569;
    font-weight: bold;
}
.spot-sync-rate .stars {
    color: #fbbf24;
    letter-spacing: 2px;
}
.spot-sync-rate .sync-desc {
    color: #64748b;
    font-size: 0.75rem;
}
.spot-sync-rate .official-source {
    display: block;
    width: 100%;
    color: #059669; /* Greenish text to signify official truth */
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 4px;
    padding-top: 4px;
    border-top: 1px dashed #cbd5e1;
}


/* PR表記（ステマ規制対応） */
.pr-notice {
    text-align: center;
    font-size: 11px;
    color: #666;
    padding: 8px 10px;
    background: #f8f9fa;
    border-bottom: 1px solid #eee;
    width: 100%;
    margin-bottom: 15px;
}