:root {
            --gold:   #c9a333;
            --black:  #0a0a0a;
            --dark:   #111;
        }

        body {
            background: var(--black);
            color: #eee;
            font-family: 'Shippori Mincho', serif;
            margin: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100vh;
            overflow: hidden;
        }

        /* ゲートのデザイン（既存のレイアウト要素を流用） */
        .gate-outer {
            text-align: center;
            padding: 40px 20px;
            border: 1px solid var(--gold);
            background: rgba(17, 17, 17, 0.9);
            box-shadow: 0 0 30px rgba(0,0,0,0.8), inset 0 0 20px rgba(201, 163, 51, 0.1);
            max-width: 500px;
            width: 90%;
            position: relative;
			z-index: 1;
            overflow: hidden;
        }
        /* ボックス内背景写真 */
        .gate-outer::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('https://www.funzuke-clinic.com/images/bg001.jpg'); /* ← 写真パスをここで変更 */
            background-size: cover;
            background-position: center;
            opacity: 0.25; /* 薄さ調整：0.1〜0.3 */
            z-index: 0;
        }

        /* テキスト類を写真の上に重ねる */
        .gate-outer > * {
            position: relative;
            z-index: 1;
        }

        .gate-logo {
            font-family: 'Cinzel Decorative', serif;
            color: var(--gold);
            font-size: 1.8rem;
            letter-spacing: 4px;
            margin-bottom: 10px;
            display: block;
        }

        .gate-title {
            font-size: 1.2rem;
            margin-bottom: 30px;
            color: #fff;
            letter-spacing: 2px;
        }

        .gate-warning {
            font-size: 0.9rem;
            line-height: 1.8;
            color: #bbb;
            margin-bottom: 40px;
            border-top: 1px solid #333;
            border-bottom: 1px solid #333;
            padding: 20px 0;
        }

        /* 既存のENTERボタンのスタイルを流用 */
        .btn-enter {
            display: inline-block;
            background: linear-gradient(135deg, #c9a333 0%, #e6c25d 100%);
            color: #000;
            text-decoration: none;
            font-weight: bold;
            padding: 18px 60px;
            border-radius: 2px;
            cursor: pointer;
            border: none;
            font-family: 'Noto Serif JP', serif;
            letter-spacing: 2px;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(0,0,0,0.5);
        }

        .btn-enter:hover {
            transform: scale(1.05);
            box-shadow: 0 0 20px rgba(201, 163, 51, 0.4);
            opacity: 0.9;
        }

        .btn-exit {
            display: block;
            margin-top: 25px;
            color: #666;
            font-size: 0.8rem;
            text-decoration: underline;
        }