/**
 * Hero 3D - スクロール連動3Dメインビジュアル
 *
 * 使用方法:
 * 1. このCSSを読み込む
 * 2. hero-3d.jsを読み込む
 * 3. HTMLに必要な要素を配置
 */

/* ========================================
   3Dモデル ローディング表示
   ======================================== */
#hero-3d-loader {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    z-index: 30;
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

#hero-3d-loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.hero-3d-loader__spinner {
    width: 60px;
    height: 60px;
    position: relative;
}

.hero-3d-loader__spinner::before,
.hero-3d-loader__spinner::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid transparent;
}

.hero-3d-loader__spinner::before {
    border-top-color: #b8860b;
    border-right-color: #b8860b;
    animation: spinnerRotate 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.hero-3d-loader__spinner::after {
    inset: 6px;
    border-bottom-color: rgba(184, 134, 11, 0.4);
    border-left-color: rgba(184, 134, 11, 0.4);
    animation: spinnerRotate 1.8s cubic-bezier(0.5, 0, 0.5, 1) infinite reverse;
}

@keyframes spinnerRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero-3d-loader__text {
    font-family: 'Shippori Mincho', serif;
    font-size: 14px;
    font-weight: 500;
    color: #1a1a1a;
    letter-spacing: 0.15em;
}

.hero-3d-loader__subtext {
    font-family: 'Montserrat', sans-serif;
    font-size: 10px;
    font-weight: 500;
    color: #b8860b;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-top: -16px;
}

/* ========================================
   3Dキャンバス - 直接position:fixedで配置
   left/topを%で指定し、環境差異を吸収
   ======================================== */
#hero-3d-canvas {
    --canvas-x: 50%;
    --canvas-y: 50%;
    --canvas-scale: 0.5;

    position: fixed;
    /* left/top は viewport に対する % */
    left: var(--canvas-x);
    top: var(--canvas-y);
    /* translate(-50%, -50%) で自身の中心を left/top 位置に合わせる */
    transform: translate(-50%, -50%) scale(var(--canvas-scale));
    transform-origin: center center;
    pointer-events: auto;
    z-index: 25;
    /* reset.cssの max-width: 100% を上書き */
    max-width: none !important;
    cursor: default;
    /* フェードイン用：初期は非表示 */
    opacity: 0;
    transition: opacity 1s ease-out;
}

#hero-3d-canvas.loaded {
    opacity: 1;
}

/* ドラッグ中は回転可能を示す移動カーソル */
#hero-3d-canvas:active,
#hero-3d-canvas.dragging {
    cursor: move !important;
}

/* ========================================
   マウス追従ライトエフェクト
   ======================================== */
#hero-3d-mouse-light {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(255, 255, 255, 0.12) 0%,
        rgba(255, 255, 255, 0.05) 30%,
        transparent 70%
    );
    pointer-events: none;
    z-index: 1;
    will-change: transform;
    backface-visibility: hidden;
}

/* ========================================
   右上バッジ共通スタイル
   ======================================== */
#hero-3d-badge,
#hero-3d-badge-ai {
    position: fixed;
    right: 20px;
    max-width: 220px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 10px 12px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 8px;
    z-index: 5;
    opacity: 1;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

#hero-3d-badge {
    top: 100px;
}

#hero-3d-badge-ai {
    top: 195px;
}

.hero-3d-badge__title {
    font-size: 11px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #ff8c00;
    text-transform: uppercase;
}

.hero-3d-badge__hint,
.hero-3d-badge__note {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.05em;
    line-height: 1.5;
}

/* PC: 長いテキスト表示 */
.hero-3d-badge__hint--sp,
.hero-3d-badge__note--sp {
    display: none;
}

/* ========================================
   右下固定枠（スクロール後の表示エリア）
   すべてビューポート単位で指定
   ======================================== */
#hero-3d-fixed-frame {
    position: fixed;
    /* ビューポートの2%を余白として使用 */
    bottom: 2vh;
    right: 2vw;
    /* サイズはビューポート短辺の30%（min関数使用） */
    width: min(30vw, 30vh);
    height: min(30vw, 30vh);
    border: none;
    border-radius: 20px;
    background: transparent;
    z-index: 20;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.5s ease, transform 0.4s ease;
    pointer-events: none;
    overflow: visible;
}

#hero-3d-fixed-frame.visible {
    opacity: 1;
    transform: scale(1) translateX(0);
}

#hero-3d-fixed-frame.clickable {
    pointer-events: auto;
}

/* 収納状態 - フレーム全体を右に移動し取っ手のみ表示 */
#hero-3d-fixed-frame.collapsed {
    transform: scale(1) translateX(100%);
}

#hero-3d-fixed-frame.collapsed .fixed-frame-grid {
    opacity: 0;
    pointer-events: none;
}

#hero-3d-fixed-frame.collapsed .fixed-frame-handle i {
    transform: rotate(180deg);
}

/* 開閉用取っ手 - フレーム左端にぴったり配置 */
.fixed-frame-handle {
    position: absolute;
    right: 100%;  /* フレーム左端に右端を合わせる */
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 60px;
    background: rgba(201, 162, 39, 0.7);
    border: none;
    border-radius: 8px 0 0 8px;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
    z-index: 10;
    pointer-events: auto;
}

.fixed-frame-handle:hover {
    background: rgba(218, 175, 55, 0.85);
}

.fixed-frame-handle:focus {
    outline: none;
}

.fixed-frame-handle i {
    transition: transform 0.3s ease;
}

/* 固定フレーム内グリッドレイアウト */
.fixed-frame-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    width: 100%;
    height: 100%;
    gap: 2px;
    transition: opacity 0.3s ease;
}

.fixed-frame-item {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #fff;
    transition: background-color 0.3s ease;
    border-radius: 4px;
}

/* 上段: メンバー登録 (3マス横長) - 金茶 */
.fixed-frame-member {
    grid-column: 1 / 4;
    grid-row: 1;
    flex-direction: column;
    gap: 2px;
    background: rgba(184, 134, 11, 0.7);
    padding: 4px;
}

.fixed-frame-member__label {
    font-size: 12px;
    opacity: 0.9;
    letter-spacing: 0.05em;
}

.fixed-frame-member__label i {
    margin-right: 4px;
}

.fixed-frame-member__text {
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.1em;
    font-family: 'Shippori Mincho', serif;
}

.fixed-frame-member:hover {
    background: rgba(200, 150, 30, 0.85);
}

/* 中段中央: メガネ表示エリア */
.fixed-frame-glasses {
    grid-column: 2;
    grid-row: 2;
    pointer-events: none;
}

/* SNSアイコン共通 */
.fixed-frame-sns {
    font-size: 30px;
}


/* Instagram - 金 */
.fixed-frame-sns--instagram {
    grid-column: 1;
    grid-row: 2;
    background: rgba(201, 162, 39, 0.7);
}

.fixed-frame-sns--instagram:hover {
    background: rgba(218, 175, 55, 0.85);
}

/* LINE - 金 */
.fixed-frame-sns--line {
    grid-column: 3;
    grid-row: 2;
    background: rgba(201, 162, 39, 0.7);
}

.fixed-frame-sns--line:hover {
    background: rgba(218, 175, 55, 0.85);
}

/* Youtube - 金 */
.fixed-frame-sns--youtube {
    grid-column: 1;
    grid-row: 3;
    background: rgba(201, 162, 39, 0.7);
}

.fixed-frame-sns--youtube:hover {
    background: rgba(218, 175, 55, 0.85);
}

/* お問合せ (2マス) - 金茶 */
.fixed-frame-contact {
    grid-column: 2 / 4;
    grid-row: 3;
    background: rgba(184, 134, 11, 0.7);
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.1em;
    font-family: 'Shippori Mincho', serif;
}

.fixed-frame-contact:hover {
    background: rgba(200, 150, 30, 0.85);
}


/* ========================================
   レスポンシブ対応
   ======================================== */
@media (max-width: 768px) {
    /* スマホではCanvasのタッチを無効化してスクロール優先 */
    #hero-3d-canvas {
        pointer-events: none !important;
    }

    #hero-3d-fixed-frame {
        /* モバイル: ビューポートの2.5%を余白、短辺の42%をサイズ（20%アップ） */
        bottom: 2.5vh;
        right: 2.5vw;
        width: min(42vw, 42vh);
        height: min(42vw, 42vh);
        border-radius: 14px;
    }

    #hero-3d-mouse-light {
        display: none; /* モバイルでは非表示 */
    }

    /* バッジ: スマホでは非表示 */
    #hero-3d-badge {
        display: none;
    }

    /* AI GENERATEDバッジはスマホでは非表示 */
    #hero-3d-badge-ai {
        display: none;
    }


    /* CTA内コンテンツのモバイル対応（20%アップ版） */
    .fixed-frame-grid {
        gap: 1px;
    }

    .fixed-frame-item {
        border-radius: 3px;
    }

    .fixed-frame-member {
        gap: 1px;
        padding: 3px;
    }

    .fixed-frame-member__label {
        font-size: 9px;
        letter-spacing: 0.03em;
    }

    .fixed-frame-member__label i {
        margin-right: 2px;
    }

    .fixed-frame-member__text {
        font-size: 13px;
        letter-spacing: 0.05em;
    }

    .fixed-frame-sns {
        font-size: 22px;
    }

    .fixed-frame-contact {
        font-size: 13px;
        letter-spacing: 0.05em;
    }

    /* 取っ手のモバイル対応 */
    .fixed-frame-handle {
        width: 20px;
        height: 50px;
        font-size: 12px;
        border-radius: 6px 0 0 6px;
    }

    #hero-3d-fixed-frame.collapsed {
        transform: scale(1) translateX(100%);
    }
}

/* ========================================
   メガネギャラリー（ヒーローとPickup間）
   ======================================== */
.glasses-gallery {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 80px;
    padding: 120px 20px;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    overflow: hidden;
}

.glasses-gallery__item {
    max-width: 600px;
    width: 90%;
    will-change: transform, opacity;
}

.glasses-gallery__item img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

@media (max-width: 768px) {
    .glasses-gallery {
        gap: 50px;
        padding: 80px 16px;
    }

    .glasses-gallery__item {
        max-width: 100%;
        width: 85%;
    }

    .glasses-gallery__item img {
        border-radius: 8px;
    }
}

/* ========================================
   カスタマイズ用CSS変数（オプション）
   ======================================== */
:root {
    --hero-3d-frame-border-color: rgba(255, 255, 255, 0.2);
    --hero-3d-frame-bg-color: rgba(0, 0, 0, 0.3);
    --hero-3d-frame-size: 320px;
    --hero-3d-frame-size-mobile: 200px;
    --hero-3d-light-color: rgba(255, 255, 255, 0.12);
}