/* reader-flow.css — READER「エネルギーの流れ仮説」ページ固有スタイル（body.reader-flow スコープ）
   参考（pjdhiro 指示 2026-07-14）:
   - cs reader/wave-vortex.html … シェーダー背景の上に「一枚のガラス読書カラム」を敷く型
   - pjdhiro garage/ … 章ごとの details.sec アコーディオン＋PC常設/モバイルドロワーの目次
   制約: DESIGN-RULES §0a — 色・タイポは tokens.css の変数のみ。シェーダー背景は reader-app.js を共用。
   tokens + style.css + reader.css の上に載せる（読み込み順は template 参照）。 */

/* ===== 一枚ガラスの読書カラム（cs wave-vortex 型） ===== */
body.reader-flow .reader-wrap {
    max-width: 860px;
    margin: 0 auto 48px;
    padding: 8px clamp(16px, 4vw, 36px) 40px;
    background: var(--glass-bg-medium);
    border: 1px solid var(--glass-border-soft);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
body.reader-flow .reader-hero,
body.reader-flow .reader-article {
    max-width: none;
}
body.reader-flow .reader-hero {
    padding: 28px 0 8px;
    text-align: left;
}
body.reader-flow .reader-hero h1 {
    font-family: var(--serif-jp);
    color: var(--navy);
    text-shadow: none;
}
body.reader-flow .reader-subtitle,
body.reader-flow .reader-meta {
    text-shadow: none;
    color: var(--mid);
}

/* 草稿バナー（cs draft-banner 型） */
body.reader-flow .draft-banner {
    background: var(--glass-bg-soft);
    border: 1px solid var(--glass-border-soft);
    border-left: 4px solid var(--gold);
    border-radius: 10px;
    padding: 12px 16px;
    margin: 18px 0 8px;
    font-size: 0.88rem;
    color: var(--mid);
}
body.reader-flow .draft-banner b { color: var(--ink); }

/* ガラス面の上では発光は不要（可読性はカラムが担う） */
body.reader-flow .glow-text,
body.reader-flow .glow-heading {
    text-shadow: none;
}

/* リード部（ひとことで・FAQ・サマリー）のコールアウト */
body.reader-flow .reader-article blockquote.reader-callout {
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border-soft);
    border-left: 4px solid var(--navy);
    border-radius: 10px;
    margin: 0 0 18px;
    padding: 14px 20px;
    box-shadow: none;
}
body.reader-flow .reader-article blockquote.reader-callout h3 {
    margin-top: 0.4em;
    color: var(--navy);
}

/* ===== 章アコーディオン（garage details.sec 型） ===== */
body.reader-flow details.sec {
    margin: 0 0 2px;
    background: none;
    border: none;
    padding: 0;
    scroll-margin-top: 12px; /* scrollIntoView の着地オフセット */
}
body.reader-flow details.sec > summary {
    cursor: pointer;
    list-style: none;
    position: relative;
    font-family: var(--serif-jp);
    font-size: clamp(1.1rem, 3.4vw, 1.35rem);
    font-weight: 600;
    color: var(--navy);
    line-height: 1.5;
    padding: 26px 44px 10px 0;
    margin-bottom: 6px;
    border-bottom: 2px solid var(--glass-border-faint);
}
body.reader-flow details.sec > summary::-webkit-details-marker { display: none; }
body.reader-flow details.sec > summary::after {
    content: "＋";
    position: absolute;
    right: 8px;
    bottom: 12px;
    color: var(--gold);
    font-weight: 400;
    font-size: 1.3rem;
}
body.reader-flow details.sec[open] > summary::after { content: "−"; }
body.reader-flow details.sec > summary:hover { color: var(--gold); }
body.reader-flow details.sec .secbody { padding: 2px 0 10px; }
body.reader-flow details.sec .secbody > *:first-child { margin-top: 14px; }

/* ===== 本文中の畳み（garage details.acc 型カード） ===== */
body.reader-flow .reader-article details.acc {
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border-soft);
    border-radius: 12px;
    margin: 12px 0;
    padding: 0 20px 4px;
    overflow: hidden;
}
body.reader-flow .reader-article details.acc > summary {
    cursor: pointer;
    list-style: none;
    margin: 0 -20px;
    padding: 14px 46px 14px 20px;
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--navy);
    position: relative;
}
body.reader-flow .reader-article details.acc > summary::-webkit-details-marker { display: none; }
body.reader-flow .reader-article details.acc > summary::after {
    content: "＋";
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--mute);
    font-weight: 400;
    font-size: 1.1rem;
}
body.reader-flow .reader-article details.acc[open] > summary::after { content: "−"; }
body.reader-flow .reader-article details.acc > summary:hover { background: var(--glass-bg-medium); }

/* ===== 表（garage tablewrap 型 = 横スクロール枠） ===== */
body.reader-flow .reader-article .tablewrap {
    overflow-x: auto;
    margin: 18px 0;
    border: 1px solid var(--glass-border-soft);
    border-radius: 12px;
    background: var(--glass-bg-strong);
    padding: 0;
    box-shadow: none;
}
body.reader-flow .reader-article .tablewrap table {
    border-collapse: collapse;
    width: 100%;
    font-size: 0.88rem;
    min-width: 520px;
    margin: 0;
}
body.reader-flow .reader-article .tablewrap th,
body.reader-flow .reader-article .tablewrap td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--glass-border-soft);
    vertical-align: top;
}
body.reader-flow .reader-article .tablewrap thead th {
    background: var(--glass-bg-medium);
    color: var(--navy);
    font-weight: 700;
    white-space: nowrap;
}
body.reader-flow .reader-article .tablewrap tbody tr:last-child td { border-bottom: none; }

/* ===== 目次（garage 型: PC=常設サイドバー / モバイル=右下ボタン＋ドロワー） ===== */
body.reader-flow #toc-btn {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 60;
    background: var(--navy);
    color: var(--white);
    border: none;
    border-radius: 99px;
    padding: 12px 18px;
    font-weight: 700;
    font-size: 0.875rem;
    font-family: var(--sans);
    box-shadow: var(--glass-shadow-modal);
    cursor: pointer;
}
body.reader-flow #toc-btn:active { transform: scale(0.96); }
body.reader-flow #toc-bd {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
    z-index: 59;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s;
}
body.reader-flow.toc-open #toc-bd { opacity: 1; visibility: visible; }
body.reader-flow #toc {
    position: fixed;
    top: 0;
    right: 0;
    height: 100%;
    width: min(84vw, 330px);
    z-index: 61;
    background: var(--glass-bg-strong);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-left: 1px solid var(--glass-border-soft);
    padding: 20px 14px;
    overflow-y: auto;
    transform: translateX(105%);
    transition: transform 0.26s ease;
    box-shadow: var(--glass-shadow-modal);
}
body.reader-flow.toc-open #toc { transform: translateX(0); }
body.reader-flow #toc .toc-h {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    color: var(--gold);
    font-weight: 700;
    margin: 0 0 10px;
    padding: 0 8px;
}
body.reader-flow #toc .toc-x {
    background: none;
    border: none;
    color: var(--mute);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 4px;
}
body.reader-flow #toc ol {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: toc;
}
body.reader-flow #toc li { counter-increment: toc; }
body.reader-flow #toc a {
    display: block;
    padding: 10px;
    border-radius: 8px;
    color: var(--ink);
    text-decoration: none;
    font-size: 0.875rem;
    line-height: 1.45;
}
body.reader-flow #toc a::before {
    content: counter(toc) ".";
    color: var(--mute);
    font-weight: 700;
    margin-right: 8px;
}
body.reader-flow #toc a:hover { background: var(--glass-bg-medium); }
body.reader-flow #toc a.active {
    background: var(--glass-bg-medium);
    color: var(--navy);
    box-shadow: inset 3px 0 0 var(--gold);
}
body.reader-flow #toc a.active::before { color: var(--gold); }
body.reader-flow #toc .toc-main { display: inline; }
body.reader-flow #toc .toc-sub2 {
    display: block;
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--mute);
    margin: 1px 0 0 1.4em;
    line-height: 1.35;
}
body.reader-flow #toc a.active .toc-sub2 { color: var(--navy); }
@media (min-width: 1260px) {
    /* PC: 左マージンに常設 TOC。ボタン・背景は不要 */
    body.reader-flow #toc {
        left: 20px;
        right: auto;
        top: 92px;
        height: auto;
        max-height: calc(100vh - 116px);
        width: 206px;
        transform: none;
        box-shadow: var(--glass-shadow);
        border: 1px solid var(--glass-border-soft);
        border-radius: 12px;
    }
    body.reader-flow #toc .toc-x { display: none; }
    body.reader-flow #toc-btn,
    body.reader-flow #toc-bd { display: none; }
}