@charset "utf-8";

/*// ==========================================
   1. 固定背景クロスフェード ＆ グラスモーフィズム
   ========================================== //*/

/* 全画面固定背景の親コンテナ */
#fixed-backgrounds {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    overflow: hidden;
}

/* 個々の背景写真 (JSでopacityを0.0〜1.0で変化させる) */
.fixed-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: opacity;
}

/* 最初の画像だけ初期表示用にopacityを1にしておく */
.fixed-bg.bg-1 {
    opacity: 1;
}

/* 背景に被せるディープな紫/ボルドーのグラデーションベール */
.bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(16, 12, 20, 0.85) 0%, rgba(35, 20, 48, 0.7) 50%, rgba(20, 15, 26, 0.9) 100%);
    z-index: -1;
}

/* スクリプトが動く各セクション (背景は透過。余白を広げて写真が見える時間を長くする) */
.scroll-section {
    position: relative;
    min-height: 140vh; /* 100vhから140vhに引き上げて、すりガラスのないクリアな写真だけの余白をたっぷり確保 */
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    z-index: 5;
    width: 100%;
}

/* 横幅いっぱいに広がるグラスモーフィズムの帯 */
.glass-strip {
    width: 100%;
    background: rgba(20, 16, 26, 0.35); /* 0.65から0.35に透過率アップ */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(138, 111, 176, 0.12);
    border-bottom: 1px solid rgba(138, 111, 176, 0.12);
    padding: 60px 0; /* 100pxから60pxにスリム化 */
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    box-sizing: border-box;
}

/* ヒーロー専用のグラスモーフィズム帯 */
.hero-glass-strip {
    width: 100%;
    background: rgba(20, 16, 26, 0.3); /* 0.55から0.3に透過率アップ */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-top: 1px solid rgba(212, 175, 55, 0.1);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    padding: 80px 0; /* 120pxから80pxにスリム化 */
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    box-sizing: border-box;
}

/*// ==========================================
   2. ヒーローセクション (Hero)
   ========================================== //*/
#top {
    min-height: 100vh; /* 最初のファーストビューは100vh（画面ぴったり）にする */
}

.hero-logo-large {
    font-family: var(--font-cinzel);
    font-size: 4.8rem;
    color: var(--color-secondary);
    letter-spacing: 0.08em;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.1;
    text-shadow: 0 4px 20px rgba(0,0,0,0.8);
}

.hero-tagline {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.15rem;
    color: var(--color-text-main);
    letter-spacing: 0.3em;
    margin-bottom: 25px;
    font-weight: 500;
}

.hero-desc {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    color: var(--color-text-sub);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 2.1;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
}

@media screen and (max-width: 768px) {
    .hero-logo-large {
        font-size: 2.8rem;
    }
    .hero-tagline {
        font-size: 0.95rem;
        letter-spacing: 0.2em;
    }
    .hero-btns {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    .hero-btns .btn-main, .hero-btns .btn-sub {
        width: 260px;
        text-align: center;
    }
}

/*// ==========================================
   3. コウモリ型メニューボタン (Bat Menu Button)
   ========================================== //*/
.bat-menu-btn {
    position: fixed;
    top: 30px;
    right: 30px;
    width: 68px;
    height: 68px;
    background-color: rgba(20, 17, 24, 0.85);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    z-index: 200;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-text-main);
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.bat-icon {
    width: 32px;
    height: 20px;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.menu-label {
    font-family: var(--font-cinzel);
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-top: 3px;
    color: var(--color-text-sub);
    transition: color 0.3s;
}

/* ホバー時の効果 (コウモリが少し起き上がるように傾き、ゴールドに光る) */
.bat-menu-btn:hover {
    color: var(--color-secondary);
    border-color: var(--color-secondary);
    transform: scale(1.06);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.2);
}

.bat-menu-btn:hover .bat-icon {
    transform: translateY(-2px);
}

.bat-menu-btn:hover .menu-label {
    color: var(--color-secondary);
}

/* アクティブ状態 (メニューが開いている時) */
.bat-menu-btn.active {
    color: var(--color-secondary);
    border-color: var(--color-secondary);
    background-color: rgba(16, 12, 20, 0.95);
    transform: rotate(180deg); /* 180度回転させて逆さ吊りのコウモリにする遊び心 */
}

/*// ==========================================
   4. フルスクリーンメニュー (Fullscreen Menu)
   ========================================== //*/
.fullscreen-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(10, 8, 12, 0.96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 150;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.fullscreen-menu.active {
    opacity: 1;
    visibility: visible;
}

.fullscreen-menu .nav-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 35px;
}

.fullscreen-menu .nav-link {
    font-family: var(--font-cinzel);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-text-main);
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: color 0.3s, transform 0.3s;
    letter-spacing: 0.05em;
}

.fullscreen-menu .nav-link span {
    font-family: var(--font-serif);
    font-size: 0.85rem;
    color: var(--color-primary);
    margin-top: 8px;
    letter-spacing: 0.15em;
    font-weight: normal;
}

.fullscreen-menu .nav-link:hover {
    color: var(--color-secondary);
    transform: scale(1.05);
}

.fullscreen-menu .nav-link:hover span {
    color: var(--color-secondary);
}

/*// ==========================================
   5. 想い・コンセプト (Concept)
   ========================================== //*/
.concept-wrapper {
    display: flex;
    align-items: center;
    gap: 60px;
}

.concept-img {
    flex: 1.1;
    position: relative;
}

.concept-img-inner {
    border: 1px solid var(--color-border);
    padding: 10px;
    background-color: rgba(20, 16, 26, 0.8);
}

.concept-img img {
    width: 100%;
    height: 460px;
    object-fit: cover;
    filter: grayscale(30%) contrast(105%);
}

.concept-body {
    flex: 0.9;
    text-align: left;
}

.concept-body p {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    line-height: 2.1;
    margin-bottom: 25px;
    color: var(--color-text-sub);
}

.member-list {
    margin-top: 40px;
    border-top: 1px dashed var(--color-border);
    padding-top: 30px;
}

.member-list h4 {
    font-family: var(--font-serif);
    color: var(--color-secondary);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.member-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.member-item {
    font-size: 0.85rem;
    line-height: 1.6;
}

.member-role {
    font-family: var(--font-cinzel);
    color: var(--color-primary);
    font-weight: 700;
    display: block;
}

.member-name {
    font-family: var(--font-serif);
    color: var(--color-text-main);
    font-size: 0.95rem;
    font-weight: 700;
}

@media screen and (max-width: 1024px) {
    .glass-card {
        padding: 50px 30px;
    }
}

@media screen and (max-width: 768px) {
    .concept-wrapper {
        flex-direction: column;
        gap: 40px;
    }
    .concept-img img {
        height: 300px;
    }
    .concept-body {
        text-align: center;
    }
    .member-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

/*// ==========================================
   6. 試聴・メディア (Sound)
   ========================================== //*/
.media-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 50px;
    align-items: center;
    margin-top: 40px;
}

/* 試聴プレイヤー1カラム中央寄せ */
.media-single {
    max-width: 650px;
    margin: 40px auto 0;
}

.media-single .audio-showcase h3 {
    text-align: center;
}

/* 額縁風YouTubeコンテナ */
.video-frame {
    background-color: #0c0a0e;
    border: 8px solid #2e2438;
    box-shadow: inset 0 0 15px rgba(0,0,0,0.8), 0 15px 30px rgba(0,0,0,0.5);
    padding: 10px;
}

.video-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 */
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.audio-showcase {
    text-align: left;
}

.audio-showcase h3 {
    font-family: var(--font-serif);
    color: var(--color-secondary);
    font-size: 1.2rem;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 10px;
}

.audio-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.audio-track {
    background-color: rgba(16, 12, 20, 0.6);
    border: 1px solid var(--color-border);
    padding: 15px 20px;
    transition: all 0.3s;
}

.audio-track:hover {
    border-color: var(--color-secondary);
    background-color: rgba(212, 175, 55, 0.05);
}

.track-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.track-title {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--color-text-main);
}

.track-duration {
    font-family: var(--font-cinzel);
    font-size: 0.75rem;
    color: var(--color-primary);
}

.audio-player-dummy {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(0, 0, 0, 0.35);
    padding: 8px 15px;
}

.play-btn-dummy {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--color-secondary);
    color: var(--color-bg-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    cursor: pointer;
    font-weight: bold;
}

.wave-bar-dummy {
    flex: 1;
    height: 10px;
    background: linear-gradient(90deg, var(--color-primary) 35%, #382c47 35%);
}

@media screen and (max-width: 900px) {
    .media-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .audio-showcase {
        text-align: center;
    }
}

/*// ==========================================
   7. 公演スケジュール (Schedule)
   ========================================== //*/
.schedule-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.schedule-item {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-border);
    background-color: rgba(16, 12, 20, 0.6);
    transition: border-color 0.4s, transform 0.3s;
}

.schedule-item:hover {
    border-color: var(--color-secondary);
    transform: translateY(-2px);
}

.sched-date-box {
    background-color: rgba(32, 26, 38, 0.6);
    padding: 25px;
    text-align: center;
    min-width: 120px;
    border-right: 1px solid var(--color-border);
}

.sched-day {
    display: block;
    font-family: var(--font-cinzel);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-secondary);
    line-height: 1;
}

.sched-month {
    display: block;
    font-family: var(--font-cinzel);
    font-size: 0.75rem;
    color: var(--color-primary);
    text-transform: uppercase;
    margin-top: 5px;
}

.sched-details {
    flex: 1;
    padding: 20px 30px;
    text-align: left;
}

.sched-title {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 8px;
}

.sched-meta {
    font-size: 0.8rem;
    color: var(--color-text-sub);
    display: flex;
    gap: 20px;
}

.sched-meta span strong {
    color: var(--color-secondary);
}

/* ライブ個別残席表示 */
.sched-slots-status {
    margin-top: 12px;
}

.badge-status {
    display: inline-block;
    padding: 3px 10px;
    font-size: 0.75rem;
    font-family: var(--font-serif);
    border-radius: 2px;
}

.badge-status.available-label {
    background-color: rgba(212, 175, 55, 0.08);
    border: 1px solid rgba(212, 175, 55, 0.2);
    color: var(--color-secondary);
}

.badge-status.available-label strong {
    color: var(--color-secondary);
}

.badge-status.sold-out-label {
    background-color: rgba(255, 133, 133, 0.08);
    border: 1px solid rgba(255, 133, 133, 0.2);
    color: #ff8585;
}

/* 2段目：会場 (Venue) */
.sched-venue {
    font-size: 0.85rem;
    color: var(--color-text-sub);
    margin-bottom: 8px;
    font-family: var(--font-serif);
    text-align: left;
}

.sched-venue .label {
    color: var(--color-primary); /* ディープラベンダー */
    font-weight: 700;
    margin-right: 5px;
    font-family: var(--font-cinzel);
    letter-spacing: 0.05em;
}

.sched-venue .venue-name {
    color: var(--color-text-main);
}

/* 3段目：Time & Ticket 並び */
.sched-meta-row {
    display: flex;
    gap: 20px;
    font-size: 0.8rem;
    color: var(--color-text-sub);
    margin-bottom: 12px;
}

/* 4段目：詳しくはこちら & 残数 アクション行 */
.sched-action-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px dashed rgba(138, 111, 176, 0.15);
    padding-top: 12px;
    margin-top: 12px;
}

.detail-link {
    color: var(--color-secondary); /* ゴールド */
    text-decoration: none;
    font-weight: 700;
    font-family: var(--font-serif);
    transition: color 0.3s;
    font-size: 0.8rem;
    display: inline-block;
}

.detail-link:hover {
    color: #ffffff; /* 白く光るホバー */
}

/* モバイル用レイアウト調整 */
@media screen and (max-width: 768px) {
    .sched-venue {
        text-align: center;
    }
    .sched-meta-row {
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px;
    }
    .sched-action-row {
        flex-direction: column;
        gap: 10px;
        text-align: center;
        padding-top: 10px;
        margin-top: 10px;
    }
}

.sched-btn-area {
    padding: 20px 30px;
}

.sched-btn-area .btn-ticket {
    display: inline-block;
    border: 1px solid var(--color-secondary);
    color: var(--color-secondary);
    padding: 8px 22px;
    font-size: 0.8rem;
    font-family: var(--font-serif);
    letter-spacing: 0.05em;
    transition: all 0.4s;
}

.sched-btn-area .btn-ticket:hover {
    background-color: var(--color-secondary);
    color: var(--color-bg-deep);
}

.sched-btn-area .btn-ticket.disabled-stub {
    border-color: rgba(138, 111, 176, 0.2) !important;
    color: rgba(138, 111, 176, 0.4) !important;
    background-color: transparent !important;
    cursor: not-allowed;
    pointer-events: none;
}

@media screen and (max-width: 768px) {
    .schedule-item {
        flex-direction: column;
        text-align: center;
    }
    .sched-date-box {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        padding: 15px;
    }
    .sched-details {
        text-align: center;
        padding: 20px;
    }
    .sched-meta {
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px;
    }
    .sched-btn-area {
        padding: 0 20px 20px;
        width: 100%;
    }
    .sched-btn-area .btn-ticket {
        width: 100%;
        text-align: center;
    }
}

/* チケット予約カウンター */
.ticket-counter-alert {
    padding: 15px 20px;
    margin-bottom: 25px;
    text-align: center;
    font-family: var(--font-serif);
    font-size: 0.9rem;
    border-radius: 4px;
}

.ticket-counter-alert.booking-available {
    background-color: rgba(212, 175, 55, 0.08);
    border: 1px solid rgba(212, 175, 55, 0.25);
    color: var(--color-secondary);
}

.ticket-counter-alert.booking-soldout {
    background-color: rgba(255, 133, 133, 0.08);
    border: 1px solid rgba(255, 133, 133, 0.25);
    color: #ff8585;
}

.contact-box {
    background: rgba(20, 16, 26, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(138, 111, 176, 0.15);
    max-width: 650px;
    margin: 0 auto;
    position: relative;
    box-shadow: 0 25px 55px rgba(0,0,0,0.5);
    padding: 0;
}

.ticket-header {
    background-color: rgba(12, 10, 15, 0.8);
    border-bottom: 2px dashed rgba(138, 111, 176, 0.25);
    padding: 25px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.ticket-title {
    font-family: var(--font-cinzel);
    font-size: 0.85rem;
    color: var(--color-secondary);
    letter-spacing: 0.2em;
    font-weight: 700;
    text-align: center;
    width: 100%;
}

/* チケットくぼみ (疑似的にグラス背景と重ねて切り欠きを表現) */
.ticket-stub-circle {
    position: absolute;
    width: 26px;
    height: 26px;
    background-color: #141118; /* 背景色と完全に一致させて丸く切り取られたように見せる */
    border-radius: 50%;
    border: 1px solid rgba(138, 111, 176, 0.15);
    bottom: -14px;
}

.ticket-stub-circle.left {
    left: -14px;
}

.ticket-stub-circle.right {
    right: -14px;
}

.contact-form {
    padding: 50px 40px;
}

.form-group {
    margin-bottom: 25px;
    text-align: left;
}

.form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 8px;
    font-size: 0.85rem;
    color: var(--color-secondary);
    font-family: var(--font-serif);
    letter-spacing: 0.05em;
}

.badge-req, .badge-opt {
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: 2px;
    margin-left: 8px;
    font-weight: 400;
    font-family: var(--font-sans);
}

.badge-req {
    background-color: #3d1414;
    color: #ff8585;
    border: 1px solid #5a1f1f;
}

.badge-opt {
    background-color: #1f2838;
    color: #8bb0f5;
    border: 1px solid #2c3c56;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid rgba(138, 111, 176, 0.2);
    border-radius: 0;
    font-size: 0.9rem;
    font-family: var(--font-sans);
    color: var(--color-text-main);
    box-sizing: border-box;
    background-color: rgba(12, 10, 15, 0.7);
    transition: all 0.3s;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-secondary);
    background-color: rgba(20, 17, 24, 0.9);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.1);
}

.select-wrapper {
    position: relative;
}

.select-wrapper::after {
    content: "▼";
    font-size: 0.7rem;
    color: var(--color-secondary);
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    padding-right: 40px;
}

.form-btn-area {
    margin-top: 40px;
}

@media screen and (max-width: 479px) {
    .ticket-header {
        padding: 20px 20px;
    }
    .contact-form {
        padding: 30px 20px;
    }
}

/* デモ用管理画面フローティングボタン */
.demo-admin-floating {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
}

.demo-admin-floating a {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--color-bg-deep);
    color: #ffffff;
    border: 2px solid var(--color-secondary);
    padding: 12px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: bold;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
    text-decoration: none;
    font-family: var(--font-serif);
}

.demo-admin-floating a:hover {
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.4);
    background-color: var(--color-primary);
    color: #ffffff;
    opacity: 1;
}

@media (hover: hover) {
    .demo-admin-floating a:hover {
        transform: translateY(-3px);
    }
}

.demo-admin-floating .icon {
    font-size: 1.1rem;
    display: inline-block;
    animation: spin-gear 6s linear infinite;
}

@keyframes spin-gear {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* スマホ (768px以下) */
@media screen and (max-width: 768px) {
    .demo-admin-floating {
        bottom: 20px;
        right: 20px;
    }
    .demo-admin-floating a {
        padding: 10px 16px;
        font-size: 0.8rem;
    }
}

/*// ==========================================
   下層用ヘッダーバー (Standard Subpages Header)
   ========================================== //*/
#global-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 25px 0;
    background-color: rgba(12, 10, 14, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(138, 111, 176, 0.15);
    transition: background 0.4s, padding 0.4s;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-area .logo-link {
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #ebd7ad; /* ゴールド */
    letter-spacing: 0.15em;
    text-decoration: none;
    transition: color 0.3s;
}

.logo-area .logo-link:hover {
    color: #ffffff;
}

@media screen and (max-width: 768px) {
    .header-container {
        padding: 0 20px;
    }
    .logo-area .logo-link {
        font-size: 1.25rem;
    }
}

/*// ==========================================
   Soundセクション 2カラムレイアウト (Standard)
   ========================================== //*/
.media-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: flex-start;
    margin-top: 30px;
}

.video-frame {
    background-color: #0c0a0e;
    border: 8px solid #2e2438;
    box-shadow: inset 0 0 15px rgba(0,0,0,0.8), 0 15px 30px rgba(0,0,0,0.5);
    padding: 10px;
    position: relative;
}

.video-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

@media screen and (max-width: 1024px) {
    .media-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

/*// ==========================================
   ゴールド詳細ボタン ( btn-more-gold )
   ========================================== //*/
.btn-more-gold {
    display: inline-block;
    padding: 12px 30px;
    background-color: transparent;
    border: 1px solid #ebd7ad;
    color: #ebd7ad;
    font-family: var(--font-serif);
    font-size: 0.95rem;
    text-decoration: none;
    letter-spacing: 0.1em;
    transition: all 0.4s ease;
}

.btn-more-gold:hover {
    background-color: #ebd7ad;
    color: #0c0a0e;
    box-shadow: 0 0 15px rgba(235, 215, 173, 0.4);
    transform: translateY(-2px);
}

/*// ==========================================
   Conceptページ メンバー縦並び紹介 (Standard Concept Redesign)
   ========================================== //*/
.concept-hero-img {
    width: 100%;
    max-height: 400px;
    overflow: hidden;
    margin-bottom: 40px;
    background-color: #0c0a0e;
    border: 8px solid #2e2438;
    box-shadow: inset 0 0 15px rgba(0,0,0,0.8), 0 15px 30px rgba(0,0,0,0.5);
    padding: 10px;
}

.concept-hero-img img {
    width: 100%;
    height: 100%;
    max-height: 380px;
    object-fit: cover;
    object-position: center 30%; /* メンバーの顔が綺麗に入るように調整 */
    filter: grayscale(20%);
}

.concept-vertical-body {
    max-width: 800px;
    margin: 0 auto 50px auto;
    text-align: center;
}

.concept-vertical-body p {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 25px;
    color: var(--color-text-main);
}

.members-section-title {
    text-align: center;
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--color-secondary);
    margin: 60px 0 40px 0;
    letter-spacing: 0.1em;
    position: relative;
}

.members-section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 1px;
    background-color: var(--color-secondary);
    margin: 15px auto 0 auto;
}

.member-detail-list {
    display: flex;
    flex-direction: column;
    gap: 50px;
    max-width: 900px;
    margin: 0 auto;
}

/* メンバー詳細：1枚のカード状プレート (斜めカット平行四辺形プレート) */
.member-detail-item {
    display: flex;
    background: rgba(12, 10, 14, 0.6); /* より深く大人の色合い */
    border: 1px solid rgba(138, 111, 176, 0.1);
    padding: 50px 80px; /* 左右のクリップ分の余白を確保 */
    gap: 50px;
    align-items: center;
    transition: all 0.4s ease;
    margin-bottom: 40px;
    
    /* 奇数番目：右に傾斜する平行四辺形 */
    clip-path: polygon(4% 0%, 100% 0%, 96% 100%, 0% 100%);
}

/* 偶数番目はレイアウトを左右反転 (斜めカットの傾斜は統一) */
.member-detail-item:nth-child(even) {
    flex-direction: row-reverse;
    clip-path: polygon(4% 0%, 100% 0%, 96% 100%, 0% 100%);
}

.member-detail-item:hover {
    border-color: rgba(212, 175, 55, 0.4);
    background: rgba(12, 10, 14, 0.85);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

/* アバターエリア：大人っぽくカッコいい 300px 正方形 斜めカット（平行四辺形）額縁 */
.member-detail-avatar {
    width: 260px;
    height: 260px;
    background-color: #0c0a0e;
    position: relative;
    clip-path: polygon(12% 0%, 100% 0%, 88% 100%, 0% 100%); /* 平行四辺形クリップ */
    overflow: hidden;
    flex-shrink: 0;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.member-detail-avatar::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 6px;
    right: 6px;
    bottom: 6px;
    border: 1px solid #ebd7ad;
    clip-path: polygon(12% 0%, 100% 0%, 88% 100%, 0% 100%);
    pointer-events: none;
    transition: all 0.4s ease;
    z-index: 2;
}

.member-detail-avatar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid rgba(255, 255, 255, 0.15);
    clip-path: polygon(12% 0%, 100% 0%, 88% 100%, 0% 100%);
    pointer-events: none;
    transition: all 0.4s ease;
    z-index: 1;
}

.member-detail-item:hover .member-detail-avatar {
    box-shadow: 0 15px 35px rgba(212, 175, 55, 0.25);
    transform: scale(1.02);
}

.member-detail-item:hover .member-detail-avatar::after {
    border-color: #ffffff;
}

.member-detail-item:hover .member-detail-avatar::before {
    border-color: var(--color-secondary);
}

.member-detail-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.member-detail-item:hover .member-detail-avatar img {
    transform: scale(1.08) rotate(1deg); /* ホバー時に拡大しながら少し傾けを戻す */
}

/* メンバー情報テキストエリア */
.member-detail-body {
    flex: 1;
}

/* 偶数番目は見出しなどを右寄せに（写真と揃えるため） */
.member-detail-item:nth-child(even) .member-detail-body {
    text-align: right;
}

/* でも、本文だけは読みやすさを考慮して左寄せに戻す */
.member-detail-item:nth-child(even) .member-detail-desc {
    text-align: left;
}



.member-detail-part {
    display: block;
    font-family: var(--font-serif);
    font-size: 0.85rem;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.2em; /* 文字間隔を広げてスタイリッシュに */
    margin-bottom: 10px;
}

.member-detail-name {
    font-family: var(--font-serif);
    font-size: 1.8rem; /* 名前を大きく */
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}

.member-detail-desc {
    font-size: 1rem;
    line-height: 1.9;
    color: #cccccc; /* 文字のコントラストを高め大人カッコいいグレーへ */
}

/* メンバー別の顔位置（フォールバック用：左から 響・麗・律子・弦太郎 の配置） */
.avatar-hibiki img { object-position: 7% center; }
.avatar-rei img { object-position: 33% center; }
.avatar-ritsuko img { object-position: 63% center; }
.avatar-gentaro img { object-position: 93% center; }

.is-cropped img {
    object-position: center center !important;
}

/* スマホ表示（768px以下）：縦並び＆中央寄せ */
@media screen and (max-width: 768px) {
    .member-detail-item,
    .member-detail-item:nth-child(even) {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 30px;
        gap: 30px;
        clip-path: none !important; /* スマホでは斜めカットを解除して読みやすさを最優先 */
    }
    
    .member-detail-item:nth-child(even) .member-detail-body {
        text-align: center;
    }
    
    .member-detail-item:nth-child(even) .member-detail-desc {
        text-align: center; /* スマホでは本文も中央寄せに統一 */
    }
    
    .member-detail-avatar {
        width: 220px;
        height: 220px;
    }
    
    .concept-hero-img {
        max-height: 250px;
    }
}

/*// ==========================================
   Instagram フィードセクション (Standard Instagram integration)
   ========================================== //*/
.instagram-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 35px;
}

.insta-item {
    background-color: #0c0a0e;
    border: 1px solid rgba(138, 111, 176, 0.15);
    padding: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    transition: all 0.4s ease;
}

.insta-item:hover {
    border-color: var(--color-secondary);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(212, 175, 55, 0.25);
}

.insta-img-container {
    position: relative;
    width: 100%;
    padding-top: 100%; /* 1:1アスペクト比（正方形） */
    overflow: hidden;
}

.insta-img-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.insta-item:hover .insta-img-container img {
    transform: scale(1.08);
}

/* ホバー時のオーバーレイ表示（ロゴといいね数） */
.insta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(12, 10, 14, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.4s ease;
    gap: 8px;
    z-index: 2;
}

.insta-item:hover .insta-overlay {
    opacity: 1;
}

.insta-icon {
    font-size: 1.8rem;
    color: var(--color-secondary);
}

.insta-likes, .insta-comments {
    font-size: 0.9rem;
    color: var(--color-text-main);
    font-family: var(--font-serif);
}

@media screen and (max-width: 1024px) {
    .instagram-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
}

@media screen and (max-width: 479px) {
    .instagram-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .insta-item {
        max-width: 280px;
        margin: 0 auto;
    }
}