/*-------------------------------------------------
オープニングセクション
----------------------------------------------------*/
        /* オープニングコンテナ */
        .opening-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            z-index: 9999;
            background: #000;
        }

        /* 0-8秒: cover1.png画像が黒背景からフェードイン→表示→フェードアウト */
        .opening-image {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url("../img/cover1.png") center/cover no-repeat;
            z-index: 10;
            opacity: 0;
            animation: fadeInThenOut 8s ease forwards;
        }

        @keyframes fadeInThenOut {
            0% { opacity: 0; }
            12.5% { opacity: 1; } /* 1秒後に表示完了 */
            75% { opacity: 1; }   /* 6秒まで表示維持 */
            100% { opacity: 0; }  /* 8秒で消去 */
        }

        /* 3-9秒: テキスト表示（6秒間） */
        .loading-screen {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(0,0,0,0.8);
            z-index: 20;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            animation: showLoadingText 18s ease forwards 1s;
        }

        @keyframes showLoadingText {
            0% { opacity: 0; }
            16.67% { opacity: 1; } /* 1秒後に表示完了 */
            83.33% { opacity: 1; } /* 5秒まで表示維持 */
            100% { opacity: 0; }   /* 6秒で消去 */
        }

.loading-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.loading-text span {
    font-size: 2.4rem;
    font-weight: 100;
    color: #fff;
    opacity: 0;
    letter-spacing: 0;
    animation: fadeInSequence 2s forwards;
    
    /* 白いボケた縁取り */
    text-shadow: 
        0 0 10px rgba(255, 255, 255, 0.8),
        0 0 20px rgba(255, 255, 255, 0.6),
        0 0 30px rgba(255, 255, 255, 0.4),
        0 0 40px rgba(255, 255, 255, 0.2);
}

        .loading-text span:nth-child(1) {
            animation-delay: 0s;
        }

        .loading-text span:nth-child(2) {
            animation-delay: 3s;
        }

        .loading-text span:nth-child(3) {
            animation-delay: 5s;
        }

        @keyframes fadeInSequence {
            0% { 
                opacity: 0; 
                transform: translateY(20px); 
            }
            100% { 
                opacity: 1; 
                transform: translateY(0); 
            }
        }

        /* ヘッダー - 13秒以降に表示 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            padding: 20px 40px;
            z-index: 10000;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(10px);
            opacity: 0;
            animation: fadeIn 2s forwards 8s;
        }



        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }

        .logo {
            font-size: 1.6rem;
            font-weight: bold;
			font-style: italic;
			letter-spacing: 0.05em;
            color: #666;
        }
        .logo a {
            color: #666;
			text-decoration: none;
        }
        .logo span {
            font-size: 1.8rem;
        }
		.logo .logo-club {
			font-size: 1.3rem;
			letter-spacing: 0;
		}
		.logo .logo-yomi {
			font-size: 1.0rem;
			letter-spacing: 0;
		}
        /* デスクトップナビゲーション */
        .desktop-nav {
            display: flex;
            gap: 30px;
        }

        .desktop-nav a {
            text-decoration: none;
            color: #999;
            transition: color 0.3s;
            position: relative;
        }

        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: #0066ff;
            transition: width 0.3s;
        }

        .desktop-nav a:hover::after {
            width: 100%;
        }

        /* ハンバーガーメニュー */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 10001; 
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: #fff; 
    transition: all 0.3s;
}

/* ハンバーガーメニューがアクティブ時の変化 */
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* モバイルメニューのz-indexも調整 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background: #fff;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    transition: right 0.3s;
    z-index: 10000; /* z-indexを上げる */
    padding: 80px 40px;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu a {
    display: block;
    padding: 15px 0;
    color: #333;
    text-decoration: none;
    font-size: 1.2rem;
    border-bottom: 1px solid #eee;
}

        /* ヒーローセクション */
        .hero {
            height: 100vh;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        /* 11-13秒: 背景画像が黒背景からじわじわ表示 */
        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            z-index: 9999;
            animation: fadeInBackground 4s ease forwards 6s;
        }



        @keyframes fadeInBackground {
            0% { opacity: 0; }
            100% { opacity: 1; }
        }

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

        /* 9-11秒: タイトルがzoomToCenterで登場 - スクロール時消去機能付き */
.hero-content {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(10);
    text-align: center;
    color: #fff;
    z-index: 10000;
    opacity: 0;
    animation: zoomToCenter 2s ease-out forwards 7s;
    /* 初期位置の安定化 */
    width: 100vw;
    max-width: 100vw;
    box-sizing: border-box;
    padding: 0 20px;
}


        @keyframes zoomToCenter {
            0% {
                transform: translate(-50%, -50%) scale(10);
                opacity: 0;
            }
            50% {
                opacity: 1;
            }
            100% {
                transform: translate(-50%, -50%) scale(1);
                opacity: 1;
            }
        }

        /* ヒーロー要素を完全に隠すクラス */
        .hero-hidden {
            opacity: 0 !important;
            visibility: hidden !important;
            pointer-events: none !important;
            transition: all 0.5s ease !important;
        }

        h1.hero-title {
            text-align: center;
            font-size: 10rem;
            font-weight: 900;
            margin-bottom: 20px;
            text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
            line-height: 1.2;
            letter-spacing: 0.5rem;
            z-index: 999;
        }

        h1.hero-title span {
            font-size: 2.8rem;
            font-weight: 600;
            text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
            display: block;
        }
h1.hero-title span.h-t-l {
            font-size: 11rem;
            display: inline;
}
        .hero-subtitle {
            font-size: 1.5rem;
            margin-bottom: 30px;
            text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.8);
        }


@media screen and (max-width: 768px) {
    .hero-content {
        width: 100vw;
        padding: 0 15px;
        min-height: auto;
    }
    
    h1.hero-title {
        font-size: 7.0rem;
        line-height: 1.1;
        margin-bottom: 15px;
    }
    
    h1.hero-title span {
        font-size: 2.4rem;
    }
    
    h1.hero-title span.h-t-l {
        font-size: 8.0rem;
    }
    
    .hero-subtitle {
        font-size: 1.0rem;
        line-height: 1.4;
        margin-bottom: 20px;
        max-width: 90vw;
        margin-left: auto;
        margin-right: auto;
    }
}
@media screen and (max-width: 480px) {
    .hero-content {
        padding: 0 10px;
    }
    
    h1.hero-title {
        font-size: 6.0rem;
        letter-spacing: 0.3rem;
    }
    
    h1.hero-title span.h-t-l {
        font-size: 7.0rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
        max-width: 85vw;
    }
}

.hero-content.animation-complete {
    animation: none !important;
    transform: translate(-50%, -50%) scale(1) !important;
    opacity: 1 !important;
}
        /* アニメーション */
        @keyframes fadeIn {
            to { opacity: 1; }
        }

        /* 13秒以降: キラキラエフェクト */
        .backstage {
            text-align: center;
            line-height: 1.2;
            position: absolute;
            bottom: 50px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 2rem;
            letter-spacing: 0.1em;
            color: #fff;
            opacity: 0;
            z-index: 10000;
            animation: fadeIn 2s forwards 8s;
        }

        .backstage span {
            display: inline-block;
            position: relative;
            animation: sparkle 2s infinite;
        }

        .backstage span:nth-child(odd) {
            animation-delay: 0.3s;
        }

        @keyframes sparkle {
            0%, 100% { 
                opacity: 1;
                text-shadow: 0 0 10px rgba(255, 255, 255, 0.8),
                             0 0 20px rgba(255, 255, 255, 0.5);
            }
            50% { 
                opacity: 0.7;
                text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
            }
        }

        /* 13秒以降: メインコンテンツ */
        .content {
            padding: 100px 40px;
            background: #f5f5f5;
            min-height: 100vh;
            opacity: 0;
  background-image: linear-gradient(90deg, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0.5));
            animation: fadeIn 1s forwards 8s;
        }
        .content-under {
            padding: 100px 40px;
            background: #f5f5f5;
            min-height: 100vh;
            opacity: 0;
  background-image: linear-gradient(90deg, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0.5));
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .section {
            margin-bottom: 80px;
        }

        .section h2 {
            font-size: 2.5rem;
            margin-bottom: 30px;
            color: #333;
        }

        .section p {
            line-height: 1.8;
            color: #666;
            margin-bottom: 20px;
        }



        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .backstage {
                font-size: 1.5rem;
            }

            header {
                padding: 15px 20px;
            }

            .content {
                padding: 40px 15px;
            }

            .section h2 {
                font-size: 2rem;
            }
        }



/* ハンバーガーメニュー - 確実に表示されるように */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 10002;
    padding: 10px;
    /* デバッグ用：一時的に背景色を追加 */
    /* background: rgba(255, 0, 0, 0.3); */
    /* border: 1px solid red; */
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #fff;
    transition: all 0.3s;
    border-radius: 1px;
}

/* ハンバーガーメニューがアクティブ時の変化 */
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* モバイルメニュー - 上から下に出る */
.mobile-menu {
    position: fixed;
    top: -100%; /* 画面上部に隠す */
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 10001;
    padding: 100px 40px 40px; /* ヘッダーの高さ分空ける */
    transition: top 0.4s ease; /* topのアニメーション */
    /* デバッグ用：一時的に枠を追加 */
    /* border: 2px solid yellow; */
}

.mobile-menu.active {
    top: 0; /* アクティブ時は上から表示 */
}

.mobile-menu a {
    display: block;
    padding: 20px 0;
    color: #fff;
    text-decoration: none;
    font-size: 1.4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    transition: all 0.3s ease;
    letter-spacing: 0.1em;
}

.mobile-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #0066ff;
}

.mobile-menu a:last-child {
    border-bottom: none;
}

/* デスクトップナビゲーション */
.desktop-nav {
    display: flex;
    gap: 30px;
}

.desktop-nav a {
    text-decoration: none;
    color: #999;
    transition: color 0.3s;
    position: relative;
}

.desktop-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #0066ff;
    transition: width 0.3s;
}

.desktop-nav a:hover::after {
    width: 100%;
}

/* レスポンシブ設定 */
@media (max-width: 768px) {
    .desktop-nav {
        display: none !important;
    }

    .hamburger {
        display: flex !important;
    }

    .mobile-menu {
        padding: 120px 20px 40px;
    }
    
    .mobile-menu a {
        font-size: 1.2rem;
        padding: 18px 0;
    }
}

/* より小さい画面用 */
@media (max-width: 480px) {
    .hamburger {
        display: flex !important;
        padding: 8px;
    }
    
    .hamburger span {
        width: 22px;
        height: 3px;
    }
    
    .mobile-menu {
        padding: 100px 15px 30px;
    }
    
    .mobile-menu a {
        font-size: 1.1rem;
        padding: 15px 0;
    }
}






/* ABOUT
--------------------------------------------*/
        .about-section {
			margin: 60px 0;
        }
        @media screen and (max-width: 480px) {
        .about-section {
			margin: 20px 0;
            padding: 40px 0;
        }
        }


/* SERVICE
--------------------------------------------*/
        .service-section {
            margin: 60px 0;
            padding: 60px 0;
        }
        @media screen and (max-width: 480px) {
        .service-section {
			margin: 20px 0;
            padding: 40px 0;
        }
        }



/* SYSTEM & MENU 共通スタイル
--------------------------------------------*/
        .system-section , .menu-section {
            margin: 60px 0;
            padding: 60px 0;
        }
        @media screen and (max-width: 480px) {
        .system-section , .menu-section {
			margin: 20px 0;
            padding: 40px 0;
        }
        }

.system-info, .menu-info {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto 40px auto;
}

.system-item, .menu-item {
    padding: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid #333;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.system-item::before, .menu-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: left 0.6s ease;
}

.system-item:hover::before, .menu-item:hover::before {
    left: 100%;
}

.system-item:hover, .menu-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: #555;
    transform: translateY(-3px);
}

.system-label, .menu-label {
    font-size: 1.1rem;
    font-weight: bold;
    color: #fff;
}

.system-detail, .menu-detail {
    font-size: 1rem;
    color: #bbb;
    margin-top: 5px;
}


/* タブレット・デスクトップ用：2列表示 */
@media screen and (min-width: 768px) {
    .system-info, .menu-info {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

/* モバイル用調整 */
@media screen and (max-width: 768px) {
    .system-section, .menu-section {
        margin: 30px 0;
        padding: 40px 0px;
    }

    .system-section .section-title,
    .menu-section .section-title {
        font-size: 1.6rem;
    }

    .system-section .section-subtitle,
    .menu-section .section-subtitle {
        font-size: 1rem;
    }

    .system-item, .menu-item {
        padding: 10px;
    }

    .system-label, .menu-label {
        font-size: 1rem;
    }

    .system-detail, .menu-detail {
        font-size: 0.95rem;
    }
}