:root {
            --primary-orange: #FF9F43;
            --secondary-white: #ffffff;
            --ocean-blue: #E0F7FA;
            --deep-blue: #006064;
            --sand-beige: #F5E6CA;
            --text-color: #333;
        }

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

        body {
            font-family: 'Zen Maru Gothic', sans-serif;
            color: var(--text-color);
            background-color: var(--ocean-blue);
            overflow-x: hidden;
        }

        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }

        /* --- ローディング画面 --- */
        #loading {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: var(--ocean-blue);
            z-index: 9999;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
            transition: opacity 0.5s ease, visibility 0.5s ease;
        }
        .loader-text {
            margin-top: 20px;
            font-weight: bold;
            color: var(--deep-blue);
            animation: pulse 1s infinite;
        }

        /* --- ニシキアナゴ --- */
        .nishiki {
            width: 40px;
            height: 150px;
            background: 
                linear-gradient(
                    to bottom,
                    var(--primary-orange) 0px,
                    var(--primary-orange) 35px,
                    transparent 35px
                ),
                repeating-linear-gradient(
                    to bottom,
                    var(--secondary-white) 35px,
                    var(--secondary-white) 50px,
                    var(--primary-orange) 50px,
                    var(--primary-orange) 65px
                );
            
            border-radius: 20px 20px 0 0;
            position: relative;
            box-shadow: 2px 2px 5px rgba(0,0,0,0.1);
        }

/* 目 */
.nishiki::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 0;
    width: 100%;
    height: 12px;

    background-image: 
        radial-gradient(circle at 10px 6px, #000 4px, #fff 3px, #fff 6px, transparent 5.5px),
        radial-gradient(circle at 30px 6px, #000 4px, #fff 3px, #fff 6px, transparent 5.5px); 
    background-repeat: no-repeat;
}


        /* アニメーション */
        @keyframes sway {
            0%, 100% { transform: rotate(-5deg); }
            50% { transform: rotate(5deg); }
        }
        .anim-sway {
            animation: sway 2s infinite ease-in-out;
            transform-origin: bottom center;
        }

        /* --- レイアウト --- */
        section {
            padding: 80px 20px;
            position: relative;
            max-width: 1000px;
            margin: 0 auto;
        }
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            color: var(--deep-blue);
            margin-bottom: 50px;
            position: relative;
            display: inline-block;
            width: 100%;
        }
        .section-title span {
            position: relative;
            z-index: 2;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary-orange);
            margin: 10px auto 0;
            border-radius: 2px;
        }

        /* --- メインビジュアル --- */
        #main-visual {
            height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            position: relative;
            background: radial-gradient(circle at center, #fff 0%, var(--ocean-blue) 70%);
            overflow: hidden;
        }
        .mv-content {
            text-align: center;
            z-index: 2;
        }
        .mv-title {
            font-size: 4rem;
            color: var(--primary-orange);
            text-shadow: 3px 3px 0px #fff;
            margin-bottom: 20px;
        }
        .mv-subtitle {
            font-size: 1.5rem;
            color: var(--deep-blue);
        }
        
        /* 泡のエフェクト */
        .bubble {
            position: absolute;
            bottom: -50px;
            background: rgba(255,255,255,0.6);
            border-radius: 50%;
            animation: floatUp 8s infinite linear;
        }
        @keyframes floatUp {
            0% { transform: translateY(0); opacity: 0; }
            20% { opacity: 1; }
            100% { transform: translateY(-120vh); opacity: 0; }
        }


        .heart-wrapper {
            display: flex;
            justify-content: center;
            align-items: flex-end;
            margin-top: 0px;
            height: 250px; 
            position: relative; 
        }
        .heart-eel {
            width: 40px;
            height: 160px;
            transition: transform 0.5s;
        }
        .heart-eel.left {
            transform: rotate(-25deg) translateX(10px);
            border-radius: 30px 30px 0 0 ; 
        }
        .heart-eel.right {
            transform: rotate(25deg) translateX(-10px);
            border-radius: 30px 30px 0 0; 
        }
        /* ハートアニメーション */
        .heart-wrapper:hover .heart-eel.left {
            transform: rotate(-45deg) translateX(20px);
        }
        .heart-wrapper:hover .heart-eel.right {
            transform: rotate(45deg) translateX(-20px);
        }
        .heart-icon {
            position: absolute;
            top: -100px;
            font-size: 3rem;
            color: #ff6b6b;
            opacity: 0;
            transition: 0.5s;
            transform: scale(0);
        }
        .heart-wrapper:hover .heart-icon {
            opacity: 1;
            top: 0px;
            transform: scale(1.2);
        }


        #story {
            background-color: #fff;
            border-radius: 30px;
            padding: 60px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            text-align: center;
            line-height: 2;
        }
        
        /* --- キャラクター紹介 --- */
        .char-container {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .char-card {
            background: #fff;
            padding: 30px;
            border-radius: 20px;
            width: 280px;
            text-align: center;
            transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            position: relative;
            overflow: hidden;
        }
        .char-card:hover {
            transform: translateY(-15px) scale(1.05);
        }
        .char-img-area {
            height: 180px;
            display: flex;
            justify-content: center;
            align-items: flex-end;
            background: var(--sand-beige);
            border-radius: 10px;
            margin-bottom: 20px;
            position: relative;
        }
        /* チンアナゴ*/
        .chin {
            background: radial-gradient(circle, #333 24%, transparent 20%), #eee;
            background-size: 15px 15px;
        }

        .char-name {
            font-size: 1.5rem;
            font-weight: bold;
            margin-bottom: 10px;
            color: var(--primary-orange);
        }

        /* --- 商品ラインナップ --- */
        #lineup {
            background: #eefcfd;
            border-radius: 30px;
            margin-top: 50px;
        }
        .goods-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }
        .goods-item {
            background: #fff;
            border-radius: 15px;
            overflow: hidden;
            transition: 0.3s;
            cursor: pointer;
        }
        .goods-item:hover {
            box-shadow: 0 10px 20px rgba(255, 159, 67, 0.2);
        }
        .goods-img {
            width: 100%;
            height: 200px;
            background: #ddd;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #888;
            font-size: 3rem;
        }
        .goods-info {
            padding: 15px;
        }
        .goods-title {
            font-weight: bold;
            margin-bottom: 5px;
        }
        .goods-price {
            color: var(--primary-orange);
            font-weight: bold;
        }

        /* --- ご利用ガイド --- */
        .guide-box {
            background: #fff;
            padding: 30px;
            border-radius: 15px;
            margin-bottom: 20px;
            border-left: 5px solid var(--primary-orange);
        }
        .guide-box h3 {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .tag-sns {
            background: #E1306C;
            color: #fff;
            padding: 5px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
        }

        /* --- フッターと飛び出す仕掛け --- */
        footer {
            background: var(--sand-beige);
            padding: 80px 20px 20px;
            text-align: center;
            position: relative;
            margin-top: 150px;
            z-index: 10;
        }
        .sand-decoration {
            position: absolute;
            top: -90px;
            left: 0;
            width: 100%;
            height: 100px;
            background: var(--sand-beige);
            border-radius: 50% 50% 0 0 / 100% 100% 0 0;
            z-index: 1;
        }
        /* フッターから飛び出す */
        .footer-eels {
            position: absolute;
            top: -180px;
            left: 0;
            width: 100%;
            height: 100px;
            display: flex;
            justify-content: space-around;
            pointer-events: none;
            z-index: -10;
        }
        .hidden-eel {
            transform: translateY(100%);
            transition: transform 0.5s cubic-bezier(0.5, 0, 0.5, 1.5);
        }
        .hidden-eel.active {
            transform: translateY(0);
        }

        /* --- レスポンシブ --- */
        @media (max-width: 768px) {
            .mv-title { font-size: 2.5rem; }
            .section-title { font-size: 2rem; }
            .char-container { flex-direction: column; align-items: center; }
        }

        /* --- 共通アニメーション--- */
        .fade-in-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s, transform 0.8s;
        }
        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }