* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
            background-color: #3cb371;
            color: #2f4f4f;
            line-height: 1.8;
            cursor: none;
            overflow-x: hidden;
        }
        

      /* Green Navigation Menu */
        nav {
            background: rgba(46, 139, 87, 0.95);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.2);
        }
        
        nav ul {
            display: flex;
            justify-content: center;
            gap: 30px;
            list-style: none;
            flex-wrap: wrap;
        }
        
        nav a {
            color: white;
            text-decoration: none;
            padding: 10px 20px;
            border-radius: 20px;
            transition: all 0.3s;
            font-weight: bold;
            cursor: pointer;
        }
        
        nav a:hover {
            background: white;
            color: #2e8b57;
            transform: translateY(-2px);
        }
        
        nav a.active {
            background: white;
            color: #2e8b57;
        }
        
        header {
            background: linear-gradient(135deg, #98fb98 0%, #3cb371 100%);
            padding: 20px; 
            text-align: center;
            border-bottom: 3px solid #2e8b57;
            position: relative;
        }
        
        h1 {
            font-size: 2.5em;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        
        .subtitle {
            font-size: 1.2em;
            opacity: 0.9;
        }
        
        /* カスタムカーソル（猫じゃらし） */
        .custom-cursor {
            position: fixed;
            pointer-events: none;
            z-index: 9999;
            width: 40px;
            height: 40px;
            transform: translate(-50%, -50%);
        }
        
        .cat-toy {
            font-size: 30px;
            animation: wiggle 0.3s ease-in-out infinite;
        }
        
       /* @keyframes wiggle {
            0%, 100% { transform: rotate(-5deg); }
            50% { transform: rotate(5deg); }
        } */
        
        /* 足跡エフェクト */
        .paw-print {
            position: fixed;
            pointer-events: none;
            font-size: 20px;
            opacity: 0.7;
            animation: fadePaw 2s ease-out forwards;
            z-index: 9998;
        }
        
        @keyframes fadePaw {
            0% { opacity: 0.7; transform: scale(0.5) rotate(0deg); }
            100% { opacity: 0; transform: scale(1.5) rotate(360deg); }
        }
        
        /* 追いかける猫 */
        .chasing-cat {
            position: fixed;
            font-size: 40px;
            pointer-events: none;
            z-index: 9997;
            transition: all 0.3s ease-out;
        }
        
        /* フローティング肉球 */
        .floating-paw {
            position: fixed;
            font-size: 30px;
            pointer-events: none;
            animation: float 8s ease-in-out infinite;
            opacity: 0.6;
            z-index: 1;
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            25% { transform: translateY(-30px) rotate(90deg); }
            50% { transform: translateY(0) rotate(180deg); }
            75% { transform: translateY(-20px) rotate(270deg); }
        }
        
        /* 猫占いセクション */
        .fortune-section {
            background: white;
            padding: 40px 20px;
            margin: 30px auto;
            max-width: 900px;
            border-radius: 20px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.2);
        }
        
        .fortune-section h2 {
            text-align: center;
            margin-bottom: 10px;
            color: #2e8b57;
            font-size: 2.5em;
        }
        
        .fortune-intro {
            text-align: center;
            margin-bottom: 30px;
            font-size: 1.1em;
            color: #666;
        }
        
        .cat-selection {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
            margin: 30px 0;
        }

       #catSelection {
           display: flex;
           flex-direction: column;
           align-items: center;
       }
       
       #catSelection h2 {
           text-align: center;
           margin-bottom: 10px;
       }
       
       #catSelection .fortune-intro {
           text-align: center;
           margin-bottom: 30px;
       }
       
       /* 猫カードのグリッド表示 */
       #catSelection {
           display: grid;
           grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
           gap: 20px;
       }
       
       /* タイトルとイントロを全幅表示 */
       #catSelection h2,
       #catSelection .fortune-intro {
           grid-column: 1 / -1;
       }
        
        .cat-card {
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
            padding: 30px 20px;
            border-radius: 20px;
            width: 200px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
            border: 3px solid transparent;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        
        .cat-card:hover {
            transform: translateY(-10px) scale(1.05);
            border-color: #3cb371;
            box-shadow: 0 8px 16px rgba(60, 179, 113, 0.3);
        }
        
        .cat-avatar {
            font-size: 4em;
            margin-bottom: 15px;
            font-style: normal;
           -webkit-text-stroke: 0;
           text-stroke: 0;
           filter: none;
           font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
           -webkit-font-smoothing: antialiased;
           -moz-osx-font-smoothing: grayscale;
        }
        
        .cat-card h3 {
            font-size: 1.5em;
            margin-bottom: 10px;
            color: #2e8b57;
        }
        
        .cat-trait {
            font-size: 0.9em;
            color: #666;
        }
        
        .fortune-result {
            animation: fadeIn 0.5s ease-in;
        }
       
       /* タイトルとイントロを全幅表示 */
       #catSelection h2,
       #catSelection .fortune-intro {
           grid-column: 1 / -1;
       }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .fortune-card {
            background: linear-gradient(135deg, #fff5f5 0%, #ffe0e0 100%);
            padding: 40px;
            border-radius: 20px;
            text-align: center;
            border: 3px solid #ff6b6b;
            box-shadow: 0 6px 20px rgba(255, 107, 107, 0.2);
        }
        
        .chosen-cat {
            font-size: 5em;
            margin-bottom: 20px;
        }
        
        .fortune-card h3 {
            font-size: 2em;
            color: #ff6b6b;
            margin-bottom: 15px;
        }
        
        .fortune-stars {
            font-size: 2em;
            margin-bottom: 20px;
        }
        
        .fortune-message {
            font-size: 1.2em;
            line-height: 1.8;
            color: #333;
            margin-bottom: 30px;
            padding: 20px;
            background: white;
            border-radius: 15px;
        }
        
        .fortune-details {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-bottom: 30px;
        }
        
        .fortune-item {
            background: white;
            padding: 15px;
            border-radius: 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .fortune-label {
            font-weight: bold;
            color: #ff6b6b;
        }
        
        .retry-btn {
            padding: 15px 40px;
            background: #3cb371;
            color: white;
            border: none;
            border-radius: 25px;
            font-size: 1.1em;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        
        .retry-btn:hover {
            background: #2e8b57;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.2);
        }
        
        /* スプレッドシート */
        #my-spreadsheet {
            width: 100%;
            height: 600px;
            border: none;
            margin: 20px 0;
        }
        
        .spreadsheet-container {
            max-width: 1200px;
            margin: 30px auto;
            padding: 0 20px;
        }
        
        .spreadsheet-container h2 {
            text-align: center;
            color: white;
            margin-bottom: 20px;
            font-size: 2em;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
 /* メインコンテンツ */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
        }
        
        .intro-section {
            background: white;
            padding: 30px;
            border-radius: 20px;
            margin-bottom: 40px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.2);
            text-align: center;
        }
        
        .intro-section h2 {
            color: #2f4f4f;
            font-size: 2em;
            margin-bottom: 15px;
        }
        
        /* 動画リスト */
        .video-list {
            display: grid;
            gap: 30px;
        }
        
        .video-item {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 8px 16px rgba(0,0,0,0.2);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .video-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 24px rgba(0,0,0,0.3);
        }
        
        .video-wrapper {
            position: relative;
            padding-bottom: 56.25%; /* 16:9 */
            height: 0;
            overflow: hidden;
        }
        
        .video-wrapper iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }
        
        .video-info {
            padding: 25px;
        }
        
        .video-date {
            display: inline-block;
            background: #ff6b6b;
            color: white;
            padding: 5px 15px;
            border-radius: 15px;
            font-size: 0.9em;
            margin-bottom: 10px;
        }
        
        .video-title {
            font-size: 1.5em;
            color: #2f4f4f;
            margin-bottom: 10px;
            font-weight: bold;
        }
        
        .video-description {
            color: #666;
            line-height: 1.6;
        }
        
        .video-cats {
            margin-top: 15px;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        
        .cat-tag {
            background: #f0e68c;
            padding: 5px 12px;
            border-radius: 12px;
            font-size: 0.9em;
            color: #8b4513;
        }
        
        /* 月別セクション */
        .month-section {
            margin-bottom: 50px;
        }
        
        .month-header {
            background: linear-gradient(135deg, #f5deb3 0%, #3cb371 100%);
            color: white;
            padding: 20px 30px;
            border-radius: 15px;
            margin-bottom: 25px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        
        .month-header h3 {
            font-size: 1.8em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
       /* フッター */
       footer {
           background: linear-gradient(135deg, #2e8b57 0%, #3cb371 100%);
           color: white;
           padding: 40px 20px 20px;
           margin-top: 50px;
           text-align: center;
       }
       
       .footer-menu {
           display: flex;
           justify-content: center;
           gap: 30px;
           flex-wrap: wrap;
           margin-bottom: 20px;
           list-style: none;
       }
       
       .footer-menu a {
           color: white;
           text-decoration: none;
           transition: opacity 0.3s;
           cursor: pointer;
       }
       
       .footer-menu a:hover {
           opacity: 0.7;
       }
       
       .footer-copy {
           font-size: 0.9em;
           opacity: 0.8;
           padding-top: 20px;
           border-top: 1px solid rgba(255,255,255,0.3);
       }