:root {
            --onsen-primary: #8b4513;
            --onsen-accent: #cd853f;
           /* --onsen-warm: #8a6508;*/
            --onsen-wood: #a0522d;
            --onsen-paper: #fff8dc;
        }

        :root[data-theme="jp_modern"] {
            --onsen-primary: #2C2C2C !important;
            --onsen-accent: #808080 !important;
            --onsen-warm: #4A4A4A !important;
            --onsen-wood: #333333 !important;
            --onsen-paper: #F5F5F5 !important;
        }

        :root[data-theme="fisher"] {
            --onsen-primary: #3498db !important;
            --onsen-accent: #2980b9 !important;
            --onsen-warm: #f39c12 !important;
            --onsen-wood: #16a085 !important;
            --onsen-paper: #ecf0f1 !important;
        }

                /* 新規追加: onsenテーマ */

        :root[data-theme="onsen_ryokan"] {
            --onsen-primary: #4CAF50;
            --onsen-accent: #8BC34A;
            --onsen-warm: #FFC107;
            --onsen-wood: #795548;
            --onsen-paper: #cdcd50;
        }


/* onsenカテゴリの色適用 
.hotel-card[data-category="onsen_ryokan"] .compact-category-label {
    background: linear-gradient(135deg, #F5F5DC, #4CAF50) !important;
    color: #2E7D32 !important;
}

.hotel-card[data-category="onsen_ryokan"] {
    border: 2px solid #8BC34A !important;
}

.hotel-card[data-category="onsen_ryokan"] .hotel-link {
    background: #4CAF50 !important;
}

*/
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: linear-gradient(135deg, var(--onsen-accent) 0%, var(--onsen-primary) 100%);
            min-height: 100vh;
            padding-bottom: 100px;
        }

        .container {
            max-width: 100%;
            margin: 0 auto;
            padding: 10px;
        }

        .header {
            text-align: center;
            padding: 2px 10px 10px;
            color: var(--onsen-paper);
            position: relative;
        }

        .header h1 {
            font-size: 1.5rem;
            margin-bottom: 10px;
        }

        .header p {
            font-size: 0.9rem;
            margin:2px 10px 10px 2px;
            opacity: 0.9;
        }

        .responsive-img {
            max-width: 100%;
            height: auto;
        }

        .search-container {
            max-width: 500px;
            margin: 15px auto;
            position: relative;
        }

        .search-box {
            width: 100%;
            padding: 12px 50px 12px 45px;
            border: 3px solid var(--onsen-warm);
            border-radius: 25px;
            font-size: 1rem;
            background: var(--onsen-paper);
            color: var(--onsen-primary);
            box-shadow: 0 4px 15px rgba(139, 69, 19, 0.2);
            transition: all 0.3s ease;
        }

        .search-box:focus {
            outline: none;
            border-color: var(--onsen-accent);
            box-shadow: 0 6px 25px rgba(139, 69, 19, 0.3);
            transform: translateY(-2px);
        }

        .search-box::placeholder {
            color: #999;
        }

        .search-icon {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--onsen-primary);
            font-size: 1.2rem;
        }

        .search-clear {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--onsen-accent);
            color: white;
            border: none;
            border-radius: 50%;
            width: 25px;
            height: 25px;
            cursor: pointer;
            font-size: 0.9rem;
            display: none;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .search-clear.visible {
            display: flex;
        }

        .search-clear:hover {
            background: var(--onsen-primary);
            transform: translateY(-50%) scale(1.1);
        }

        .search-results {
            display: none;
            padding: 0 5px 40px;
        }

        .search-results.active {
            display: block;
        }

        .search-stats {
            background: rgba(255, 248, 220, 0.9);
            padding: 10px 15px;
            border-radius: 15px;
            margin-bottom: 20px;
            text-align: center;
            color: var(--onsen-primary);
            font-weight: bold;
            border: 2px solid var(--onsen-warm);
        }



        .fixed-header-ad {
    position: relative;
    /*top: 0;  または適切な位置 */
    margin:15px auto;
    z-index: 1000;
    max-width:980px /* または固定幅 */
}

        .ad-banner {
            height: 100px;
            background: var(--onsen-paper);
            margin: 0 auto;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--onsen-primary);
            font-weight: bold;
            font-size: 0.9rem;
        }

        /* 🎯 修正版フローティングボタン */
        .floating-back-btn {
            position: fixed;
            bottom: 150px;
            right: 5px;

            /* 🚀 グラデーションアニメーション背景 
            background: linear-gradient(45deg, 
                var(--onsen-primary), 
                var(--onsen-accent), 
                var(--onsen-warm), 
                var(--onsen-wood), 
                var(--onsen-primary)
            );
           */

    /* 🚀 安定したグラデーション背景 */
    background: linear-gradient(45deg, 
        #8B4513, 
        #A0522D, 
        #CD853F, 
        #654321, 
        #8B4513
    );


            background-size: 300% 300%;
            animation: gradientShift 4s ease-in-out infinite;
            
            color: var(--onsen-paper);
            border: 3px solid var(--onsen-warm);
            padding: 13px;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.6s ease;
            z-index: 1002;
            width: 60px;
            height: 60px;
            display: flex; /* デモ用に常時表示 */
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(139, 69, 19, 0.3);
        }

        /* 🌈 ゆっくりグラデーションアニメーション */
        @keyframes gradientShift {
            0% {
                background-position: 0% 50%;
            }
            50% {
                background-position: 100% 50%;
            }
            100% {
                background-position: 0% 50%;
            }
        }

        .floating-back-btn.active {
            display: flex;
        }

        .floating-back-btn:hover {
            /* ホバー時はアニメーション一時停止 */
            animation-play-state: paused;
            background: var(--onsen-wood);
            transform: scale(1.1);
            box-shadow: 0 6px 25px rgba(139, 69, 19, 0.5);
        }




        body.cards-view {
            padding-top: 0px;
        }

        .main-region-selector {
            display: block;
        }

        .main-region-selector.hidden {
            display: none;
        }

        .region-selector-card {
            background: var(--onsen-paper);
            border-radius: 20px;
            padding: 10px;
            box-shadow: 0 6px 25px rgba(139, 69, 19, 0.2);
            border: 3px solid var(--onsen-warm);
            max-width: 500px;
            margin: 0 auto;
        }

        .region-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }


/* main.css や style.css に追加 */
#regionTitle {
    font-size: 1.1rem;           /* サイズ変更 */
    color: #491500ff;            /* 色変更 */
    margin: 4px 0 20px 0;     /* 余白調整 */
    padding: 10px 0;           /* パディング追加 */
    border-bottom: 3px solid #f39c12;  /* 下線追加 */
    text-align: center;        /* 中央揃え */
    font-weight: 600;          /* フォント太さ */
}



        .main-region-item[data-region="沖縄"] {
            grid-column: 2;
        }

        .main-region-item {
            background: var(--onsen-wood);
            color: #fff7e3;
            border: 2px solid var(--onsen-accent);
            padding: 12px 10px;
            border-radius: 25px;
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: bold;
            transition: all 0.3s ease;
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 4px;
            min-height: 70px;
            justify-content: center;
        }

        .main-region-item:hover {
            background: var(--onsen-primary);
            color: var(--onsen-paper);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(139, 69, 19, 0.3);
            border-color: var(--onsen-warm);
        }

        .region-name {
            font-size: 1rem;
            line-height: 1.2;
        }

        .region-count {
            font-size: 0.75rem;
            opacity: 0.9;
            background: rgba(255, 255, 255, 0.2);
            padding: 2px 8px;
            border-radius: 12px;
            margin-top: 2px;
        }

        .cards-container {
            padding: 0 5px 40px;
            display: none;
        }

        .cards-container.active {
            display: block;
        }

        .region-content {
            display: none;
        }

        .region-content.active {
            display: block;
            animation: fadeInUp 0.5s ease;
        }

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

        .hotel-cards {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            padding-bottom: 80px;
            margin-bottom: 20px;
        }

        @media (min-width: 768px) {
            .hotel-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

        .hotel-card {
            background: white;
            /*border: 3px solid var(--onsen-warm);*/
            border: 3px solid #654321;  /* 濃い茶色 */
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(139, 69, 19, 0.15);
            transition: all 0.3s ease;
            position: relative;
        }

        .hotel-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 30px rgba(139, 69, 19, 0.25);
            border-color: var(--onsen-accent);
        }

        .hotel-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--onsen-primary), var(--onsen-accent), var(--onsen-warm));
            z-index: 1;
        }

        .highlight {
            background: #ffeb3b;
            color: #333;
            padding: 0 2px;
            border-radius: 3px;
            font-weight: bold;
        }

        .compact-category-label {
            position: absolute;
            top: 8px;
            right: 8px;
            background-color: #FF6B6B;
            color: white;
            padding: 3px 8px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: bold;
            display: flex;
            align-items: center;
            gap: 3px;
            z-index: 2;
            box-shadow: 0 2px 6px rgba(0,0,0,0.2);
            min-height: 20px;
        }

        .compact-category-label span {
            line-height: 1;
        }

        .hotel-image {
            width: 100%;
            height: 80px;
            background: linear-gradient(45deg, var(--onsen-accent), var(--onsen-warm));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--onsen-paper);
            font-size: 0.9rem;
            font-weight: bold;
            text-align: center;
            padding: 10px;
            position: relative;
            overflow: hidden;
        }

        .hotel-image .hotel-icon {
            font-size: 2rem;
            margin-bottom: 5px;
        }

        .hotel-info {
            padding: 12px;
            position: relative;
            background: var(--onsen-paper);
        }

        .hotel-name {
            font-size: 1rem;
            font-weight: bold;
            color: var(--onsen-primary);
            margin-bottom: 6px;
            line-height: 1.3;
        }

        .hotel-location {
            color: var(--onsen-wood);
            font-size: 0.8rem;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .hotel-description {
            color: #666;
            font-size: 0.8rem;
            line-height: 1.4;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .hotel-stars {
            color: var(--onsen-warm);
            font-size: 0.8rem;
            margin-bottom: 6px;
        }

        .hotel-link {
            background: linear-gradient(45deg, var(--onsen-primary), var(--onsen-accent));
            color: var(--onsen-paper);
            padding: 10px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: bold;
            text-align: center;
            text-decoration: none;
            display: block;
            transition: all 0.3s ease;
            border: 2px solid var(--onsen-warm);
            box-shadow: 0 2px 10px rgba(139, 69, 19, 0.2);
        }

        .hotel-link:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(139, 69, 19, 0.3);
            text-decoration: none;
            color: var(--onsen-paper);
            border-color: var(--onsen-primary);
        }

        .footer-filter {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(135deg, var(--onsen-paper) 0%, rgba(255, 248, 220, 0.95) 100%);
            backdrop-filter: blur(10px);
            border-top: 3px solid var(--onsen-accent);
            padding: 15px 10px 15px;
            box-shadow: 0 -4px 20px rgba(139, 69, 19, 0.2);
            z-index: 1000;
            display: none;
            min-height: 120px;
        }

        .footer-filter.active {
            display: block;
        }

        .filter-title {
            font-size: 0.8rem;
            color: var(--onsen-primary);
            text-align: center;
            margin-bottom: 10px;
            font-weight: bold;
        }

        .filter-controls {
            display: flex;
            align-items: center;
            gap: 10px;
            justify-content: center;
        }

        .prefecture-filters {
            display: flex;
            overflow-x: auto;
            scroll-behavior: smooth;
            -webkit-overflow-scrolling: touch;
            gap: 8px;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            align-content: center;
            flex-wrap: wrap;
        }

        .prefecture-filters::-webkit-scrollbar {
            display: none;
        }

        .prefecture-filter {
            flex: 0 0 auto;
            background: var(--onsen-wood);
            color: var(--onsen-paper);
            border: 2px solid var(--onsen-primary);
            padding: 8px 12px;
            border-radius: 25px;
            font-size: 0.8rem;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
            font-weight: bold;
            margin: 2px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            min-height: 45px;
            justify-content: center;
        }

        .prefecture-filter:hover,
        .prefecture-filter.active {
            background: var(--onsen-primary);
            color: var(--onsen-paper);
            transform: scale(1.05);
            border-color: var(--onsen-accent);
            box-shadow: 0 3px 12px rgba(139, 69, 19, 0.4);
        }

        .prefecture-name {
            font-size: 0.85rem;
            line-height: 1.1;
        }

        .prefecture-count {
            font-size: 0.7rem;
            opacity: 0.9;
            background: rgba(255, 255, 255, 0.2);
            padding: 1px 6px;
            border-radius: 10px;
        }

        #prefecture-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            justify-content: center;
        }

        #prefecture-buttons .prefecture-filter {
            margin: 2px;
        }

        .no-hotels {
            text-align: center;
            padding: 40px 20px;
            color: white;
            font-size: 1.1rem;
        }

        .no-hotels::before {
            content: "🏨";
            display: block;
            font-size: 3rem;
            margin-bottom: 15px;
        }

        @media (max-width: 480px) {
            .main-region-item {
                font-size: 0.85rem;
                padding: 10px 8px;
                min-height: 65px;
            }
            
            .region-count {
                font-size: 0.7rem;
            }
            
            .prefecture-filter {
                font-size: 0.75rem;
                padding: 6px 10px;
                min-height: 40px;
            }
            
            .prefecture-count {
                font-size: 0.65rem;
            }
            
            .compact-category-label {
                font-size: 0.65rem;
                padding: 2px 6px;
                min-height: 18px;
            }

            .search-box {
                font-size: 0.9rem;
                padding: 10px 45px 10px 40px;
            }
        }

        /* カテゴリ別カード個別カラー適用（ルートカラー使用） */
        .hotel-card[data-category="jp_modern"] {
            --card-primary: #2C2C2C;
            --card-accent: #808080;
            --card-warm: #4A4A4A;
            --card-wood: #333333;
            --card-paper: #F5F5F5;
            
            background: linear-gradient(135deg, var(--card-paper) 0%, #E0E0E0 100%) !important;
            border: 3px solid var(--card-warm) !important;
            box-shadow: 0 4px 20px rgba(44, 44, 44, 0.3) !important;
        }

        .hotel-card[data-category="jp_modern"]::before {
            background: linear-gradient(90deg, var(--card-wood), var(--card-primary), var(--card-warm)) !important;
        }

        .hotel-card[data-category="jp_modern"] .compact-category-label {
            background: linear-gradient(135deg, var(--card-primary), var(--card-accent)) !important;
            color: white !important;
            border: 2px solid var(--card-wood) !important;
        }

        .hotel-card[data-category="jp_modern"] .hotel-image {
            background: linear-gradient(45deg, var(--card-wood), var(--card-accent)) !important;
            color: var(--card-paper) !important;
        }

        .hotel-card[data-category="jp_modern"] .hotel-info {
            background: linear-gradient(135deg, var(--card-paper) 0%, #E0E0E0 100%) !important;
        }

        .hotel-card[data-category="jp_modern"] .hotel-name {
            color: var(--card-primary) !important;
        }

        .hotel-card[data-category="jp_modern"] .hotel-location {
            color: var(--card-wood) !important;
        }

        .hotel-card[data-category="jp_modern"] .hotel-link {
            background: linear-gradient(45deg, var(--card-primary), var(--card-wood)) !important;
            border: 2px solid var(--card-accent) !important;
            color: var(--card-paper) !important;
        }

        .hotel-card[data-category="jp_modern"] .hotel-link:hover {
            background: linear-gradient(45deg, #1A1A1A, var(--card-primary)) !important;
            border-color: #AAAAAA !important;
        }

        /* 漁師民宿カテゴリ */
        .hotel-card[data-category="fisher"] {
            --card-primary: #3498db;
            --card-accent: #2980b9;
            --card-warm: #f39c12;
            --card-wood: #16a085;
            --card-paper: #ecf0f1;
            
            background: linear-gradient(135deg, var(--card-paper) 0%, #bdc3c7 100%) !important;
            border: 3px solid var(--card-primary) !important;
            box-shadow: 0 4px 20px rgba(52, 152, 219, 0.3) !important;
        }

        .hotel-card[data-category="fisher"]::before {
            background: linear-gradient(90deg, var(--card-primary), var(--card-warm), var(--card-wood)) !important;
        }

        .hotel-card[data-category="fisher"] .compact-category-label {
            background: linear-gradient(135deg, var(--card-primary), var(--card-accent)) !important;
            color: white !important;
            border: 2px solid var(--card-warm) !important;
        }

        .hotel-card[data-category="fisher"] .hotel-image {
            background: linear-gradient(45deg, var(--card-primary), var(--card-warm)) !important;
            color: var(--card-paper) !important;
        }

        .hotel-card[data-category="fisher"] .hotel-name {
            color: var(--card-accent) !important;
        }

        .hotel-card[data-category="fisher"] .hotel-location {
            color: var(--card-wood) !important;
        }

        .hotel-card[data-category="fisher"] .hotel-link {
            background: linear-gradient(45deg, var(--card-primary), var(--card-wood)) !important;
            border: 2px solid var(--card-warm) !important;
            color: var(--card-paper) !important;
        }

        .hotel-card[data-category="fisher"] .hotel-link:hover {
            background: linear-gradient(45deg, var(--card-accent), #138d75) !important;
            border-color: #e67e22 !important;
        }

        /* インクルーシブカテゴリ（デフォルト + 強化） */
        .hotel-card[data-category="inclusive"] {
            --card-primary: #8b4513;
            --card-accent: #cd853f;
            --card-warm: #daa520;
            --card-wood: #a0522d;
            --card-paper: #fff8dc;
            
            background: linear-gradient(135deg, var(--card-paper) 0%, #ffcc80 100%) !important;
            border: 3px solid var(--card-warm) !important;
            box-shadow: 0 4px 20px rgba(139, 69, 19, 0.3) !important;
        }

        .hotel-card[data-category="inclusive"]::before {
            background: linear-gradient(90deg, var(--card-primary), var(--card-accent), var(--card-warm)) !important;
        }

        .hotel-card[data-category="inclusive"] .compact-category-label {
            background: linear-gradient(135deg, var(--card-accent), var(--card-warm)) !important;
            color: white !important;
            border: 2px solid var(--card-wood) !important;
        }

        .hotel-card[data-category="inclusive"] .hotel-image {
            background: linear-gradient(45deg, var(--card-accent), var(--card-warm)) !important;
            color: var(--card-paper) !important;
        }

        .hotel-card[data-category="inclusive"] .hotel-name {
            color: var(--card-primary) !important;
        }

        .hotel-card[data-category="inclusive"] .hotel-location {
            color: var(--card-wood) !important;
        }

        .hotel-card[data-category="inclusive"] .hotel-link {
            background: linear-gradient(45deg, var(--card-primary), var(--card-accent)) !important;
            border: 2px solid var(--card-warm) !important;
            color: var(--card-paper) !important;
        }

        .hotel-card[data-category="inclusive"] .hotel-link:hover {
            background: linear-gradient(45deg, var(--card-wood), var(--card-primary)) !important;
            border-color: var(--card-accent) !important;
        }


        /* 温泉旅館カテゴリ */
.hotel-card[data-category="onsen_ryokan"] {
    --card-primary: #300909;
    --card-accent: #a67041;
    --card-warm: #d198b6;
    --card-wood: #795548;
    --card-paper: #fffff5;
   /* --onsen-warm: #3a0905;  /* カード内でのみ上書き */
    
    background: linear-gradient(135deg, var(--card-paper) 0%, #C8E6C9 100%);
    border: 3px solid var(--card-primary);
    box-shadow: 0 4px 20px rgba(76, 175, 80, 0.3);
}

.hotel-card[data-category="onsen_ryokan"] .compact-category-label {
    background: linear-gradient(135deg, var(--card-accent), var(--card-warm));
    color: white;
    border: 2px solid var(--card-warm);
}

.hotel-card[data-category="onsen_ryokan"] .hotel-link {
    background: linear-gradient(45deg, var(--card-primary), var(--card-accent));
    border: 2px solid var(--card-warm);
    color: white;
}

.hotel-card[data-category="onsen_ryokan"] .hotel-link:hover {
    background: linear-gradient(45deg, var(--card-accent), #ffd8d8);
    border-color: #ae1373;
}


/* ホテルヘッダーエリアの背景色 */
.hotel-card[data-category="onsen_ryokan"] .hotel-image {
    background: linear-gradient(135deg, var(--card-primary),var(--card-accent) );
    color: white;
}


/* ホテル名の背景色
.hotel-card[data-category="onsen_ryokan"] .hotel-name {
    background: linear-gradient(135deg, var(--card-paper), var(--card-accent));
    color: var(--card-primary);
    padding: 8px 12px;
    border-radius: 8px;
    margin-bottom: 8px;
} */

/* バッジ表示の背景色 */
.hotel-card[data-category="onsen_ryokan"] .ai-enhanced-summary {
    background: linear-gradient(135deg, rgba(171, 54, 85, 0.1), rgba(203, 148, 158, 0.2));
    border: 1px solid var(--card-accent);
    /*border-left: 4px solid var(--card-primary);*/
    padding: 12px;
    border-radius: 8px;
}


/* 温泉ホテルカテゴリ */
.hotel-card[data-category="onsen_hotel"] {
    --card-primary: #37474F;  /* ダークブルーグレー */
    --card-accent: #546E7A;   /* ブルーグレー */
    --card-warm: #78909C;     /* ライトブルーグレー */
    --card-wood: #263238;     /* 深いブルーグレー */
    --card-paper: #ECEFF1;    /* 薄いブルーグレー */
    
    background: linear-gradient(135deg, var(--card-paper) 0%, #CFD8DC 100%);
    border: 3px solid var(--card-primary);
    box-shadow: 0 4px 20px rgba(55, 71, 79, 0.3);
}

.hotel-card[data-category="onsen_hotel"] .compact-category-label {
    background: linear-gradient(135deg, var(--card-primary), var(--card-accent));
    color: white;
    border: 2px solid var(--card-warm);
}

.hotel-card[data-category="onsen_hotel"] .hotel-link {
    background: linear-gradient(45deg, var(--card-primary), var(--card-accent));
    border: 2px solid var(--card-warm);
    color: white;
}

.hotel-card[data-category="onsen_hotel"] .hotel-link:hover {
    background: linear-gradient(45deg, var(--card-accent), var(--card-warm));
    border-color: var(--card-primary);
}

.hotel-card[data-category="onsen_hotel"] .hotel-image {
    background: linear-gradient(135deg, var(--card-primary), var(--card-accent));
    color: white;
}

.hotel-card[data-category="onsen_hotel"] .ai-enhanced-summary {
    background: linear-gradient(135deg, rgba(55, 71, 79, 0.1), rgba(84, 110, 122, 0.2));
    border: 1px solid var(--card-accent);
    padding: 12px;
    border-radius: 8px;
}



/* リゾートカテゴリ - 深海ブルー系（神秘的高級感） */
.hotel-card[data-category="resort"] {
    --card-primary: #1B2951;  /* 深海ブルー */
    --card-accent: #2E5984;   /* ミディアムブルー */
    --card-warm: #4A7BA7;     /* ライトブルー */
    --card-wood: #0B1426;     /* ダークネイビー */
    --card-paper: #E6F3FF;    /* 薄いアイスブルー */
    
    background: linear-gradient(135deg, var(--card-paper) 0%, #B0E0E6 30%, #87CEEB 100%);
    border: 3px solid var(--card-primary);
    box-shadow: 0 6px 25px rgba(27, 41, 81, 0.4);
}

.hotel-card[data-category="resort"] .compact-category-label {
    background: linear-gradient(135deg, var(--card-wood), var(--card-primary), #5DADE2);
    color: white;
    border: 2px solid #5DADE2;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.hotel-card[data-category="resort"] .hotel-link {
    background: linear-gradient(45deg, var(--card-primary), var(--card-accent), #5DADE2);
    border: 2px solid #5DADE2;
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.hotel-card[data-category="resort"] .hotel-link:hover {
    background: linear-gradient(45deg, var(--card-accent), var(--card-warm), #87CEEB);
    border-color: var(--card-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(74, 123, 167, 0.5);
}

.hotel-card[data-category="resort"] .hotel-image {
    background: linear-gradient(135deg, var(--card-wood), var(--card-primary), var(--card-accent));
    color: white;
}

.hotel-card[data-category="resort"] .ai-enhanced-summary {
    background: linear-gradient(135deg, rgba(27, 41, 81, 0.08), rgba(46, 89, 132, 0.12), rgba(74, 123, 167, 0.15));
    border: 1px solid var(--card-accent);
    padding: 12px;
    border-radius: 8px;
}





/* SEOコンテンツ関連 */
        .seo-content {
            max-width: 800px;
            margin: 10px auto;
            padding: 15px;
            background: var(--onsen-paper);
            border-radius: 15px;
            box-shadow: 0 4px 15px rgba(139, 69, 19, 0.2);
        }
        
        .region-description {
            color: var(--onsen-primary);
            font-size:15px;
            line-height: 1.6;
            margin-bottom: 10px;
        }
        
        .feature-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 15px;
        }
        
        .feature-tag {
            background: linear-gradient(45deg, var(--onsen-accent), var(--onsen-warm));
            color: white;
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: bold;
        }
        
        /*　カード表示 */
        .ai-enhanced-summary {
            background: linear-gradient(135deg, rgba(139, 69, 19, 0.1), rgba(205, 133, 63, 0.1));
            padding: 15px;
            border-radius: 10px;
            border: 1px solid var(--onsen-accent);
            margin: 10px 0;
            font-size: 0.9rem;
            line-height: 1.5;
        }
        


        /* バッジスタイルの強化 */
        .ai-enhanced-summary {
            overflow-wrap: break-word;
            word-wrap: break-word;
        }
        
        /* カテゴリ別enhanced-summaryの色分け */
        .hotel-card[data-category="jp_modern"] .ai-enhanced-summary {
            background: linear-gradient(135deg, rgba(44, 44, 44, 0.1), rgba(128, 128, 128, 0.1));
            border-left-color: var(--card-accent);
        }
        
        .hotel-card[data-category="fisher"] .ai-enhanced-summary {
            background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(41, 128, 185, 0.1));
            border-left-color: var(--card-accent);
        }
        
        .hotel-card[data-category="inclusive"] .ai-enhanced-summary {
            background: linear-gradient(135deg, rgba(139, 69, 19, 0.1), rgba(205, 133, 63, 0.1));
            border-left-color: var(--card-accent);
        }
        
        .structured-nav {
            background: white;
            padding: 10px 0;
            border-bottom: 1px solid #ddd;
            margin-bottom: 20px;
        }
        
        .breadcrumb {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            font-size: 0.9rem;
        }
        
        .breadcrumb a {
            color: var(--onsen-primary);
            text-decoration: none;
        }
        
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        
        /* テーマ別の追加スタイル強化 */
        [data-theme="jp_modern"] .header {
            background: linear-gradient(135deg, #333333 0%, #1A1A1A 100%) !important;
        }
        
        [data-theme="jp_modern"] .region-selector-card {
            background: #F5F5F5 !important;
            border-color: #4A4A4A !important;
        }
        
        [data-theme="jp_modern"] .main-region-item {
            background: #333333 !important;
            border-color: #808080 !important;
            color: #F5F5F5 !important;
        }
        
        [data-theme="jp_modern"] .main-region-item:hover {
            background: #2C2C2C !important;
            border-color: #4A4A4A !important;
        }
        
        [data-theme="fisher"] .header {
            background: linear-gradient(135deg, #2980b9 0%, #3498db 100%) !important;
        }
        
        [data-theme="fisher"] .region-selector-card {
            background: #ecf0f1 !important;
            border-color: #f39c12 !important;
        }
        
        [data-theme="fisher"] .main-region-item {
            background: #16a085 !important;
            border-color: #2980b9 !important;
            color: #ecf0f1 !important;
        }
        
        [data-theme="fisher"] .main-region-item:hover {
            background: #3498db !important;
            border-color: #f39c12 !important;
        }


        /* スマートスクロール用アニメーション */
@keyframes fadeInCard {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* スムーススクロール強化 */
html {
    scroll-behavior: smooth;
}