:root, [data-theme="plain"] {
    --bg: #f6f5f2;
    --bg-pattern: radial-gradient(circle at 20% 10%, rgba(176,136,80,0.04), transparent 40%), radial-gradient(circle at 80% 90%, rgba(31,41,55,0.04), transparent 40%);
    --surface: #ffffff;
    --surface-2: #fafaf8;
    --border: #e8e6e1;
    --border-strong: #d6d3cd;
    --text: #1a1916;
    --text-2: #57544e;
    --text-3: #908b82;
    --accent: #1f2937;
    --accent-hover: #0f1722;
    --accent-soft: #eef0f3;
    --on-accent: #ffffff;
    --highlight: #b08850;
    --highlight-soft: rgba(176,136,80,0.08);
    --warn: #c0392b;
    --warn-soft: rgba(192,57,43,0.08);
    --ok: #2d7a4d;
    --brand-grad: linear-gradient(135deg, #1f2937, #4a5566);
    /* ZINE-KEN RISO 美学から借りる accent（dashboard / guide のみで使用、editor 内は触らない）。
       polished modern corporate を保ちつつ、ZINE-KEN ブランドへの所属感を出す。 */
    --riso-pink:   #FF4FA3;
    --riso-blue:   #3D5588;
    --riso-mint:   #6FD3B0;
    --riso-yellow: #FFC83C;
    --page-bg: #ffffff;
    --shadow-sm: 0 1px 2px rgba(20,18,15,0.04);
    --shadow-md: 0 4px 16px rgba(20,18,15,0.06), 0 1px 3px rgba(20,18,15,0.04);
    --shadow-lg: 0 12px 40px rgba(20,18,15,0.10), 0 2px 6px rgba(20,18,15,0.05);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-pill: 999px;
    --font-ui: 'Inter', 'Noto Sans JP', system-ui, sans-serif;
    --font-jp: 'Noto Sans JP', system-ui, sans-serif;
    --font-serif: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;
    --font-brand: 'Inter', 'Noto Sans JP', system-ui, sans-serif;
  }

  [data-theme="dark"] {
    --bg: #15161a;
    --bg-pattern: radial-gradient(circle at 20% 10%, rgba(212,163,115,0.06), transparent 40%), radial-gradient(circle at 80% 90%, rgba(142,197,180,0.05), transparent 40%);
    --surface: #1e2026;
    --surface-2: #25272e;
    --border: #2e3138;
    --border-strong: #3d4148;
    --text: #ecebe7;
    --text-2: #a8a8a5;
    --text-3: #6e6e6c;
    --accent: #d4a373;
    --accent-hover: #e3b88a;
    --accent-soft: rgba(212,163,115,0.12);
    --on-accent: #1a1614;
    --highlight: #8ec5b4;
    --highlight-soft: rgba(142,197,180,0.10);
    --warn: #e57373;
    --warn-soft: rgba(229,115,115,0.10);
    --ok: #8ec5b4;
    --brand-grad: linear-gradient(135deg, #d4a373, #8ec5b4);
    --page-bg: #fafaf6;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4), 0 1px 3px rgba(0,0,0,0.3);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.5), 0 2px 6px rgba(0,0,0,0.3);
  }

  [data-theme="pop"] {
    --bg: #fff4d6;
    --bg-pattern: radial-gradient(circle at 15% 20%, rgba(255,107,53,0.10), transparent 35%), radial-gradient(circle at 85% 75%, rgba(91,154,255,0.10), transparent 35%), radial-gradient(circle at 50% 50%, rgba(247,201,72,0.08), transparent 40%);
    --surface: #ffffff;
    --surface-2: #fff9eb;
    --border: #ffe4a8;
    --border-strong: #f7c948;
    --text: #2b1e0e;
    --text-2: #6b4e1c;
    --text-3: #a8854d;
    --accent: #ff6b35;
    --accent-hover: #ff5418;
    --accent-soft: rgba(255,107,53,0.12);
    --on-accent: #ffffff;
    --highlight: #ff3d8a;
    --highlight-soft: rgba(255,61,138,0.10);
    --warn: #d93434;
    --warn-soft: rgba(217,52,52,0.10);
    --ok: #2bb673;
    --brand-grad: linear-gradient(135deg, #ff6b35, #ff3d8a, #f7c948);
    --page-bg: #ffffff;
    --shadow-sm: 0 2px 0 rgba(255,107,53,0.15);
    --shadow-md: 0 4px 0 rgba(255,107,53,0.20), 0 6px 18px rgba(255,107,53,0.10);
    --shadow-lg: 0 8px 0 rgba(255,107,53,0.20), 0 16px 40px rgba(255,107,53,0.15);
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 24px;
  }

  [data-theme="psyche"] {
    --bg: #0f0524;
    --bg-pattern: radial-gradient(circle at 15% 20%, rgba(255,0,170,0.18), transparent 40%), radial-gradient(circle at 85% 75%, rgba(0,245,255,0.16), transparent 40%), radial-gradient(circle at 60% 30%, rgba(157,78,221,0.18), transparent 35%), conic-gradient(from 180deg at 50% 50%, rgba(255,0,170,0.04), rgba(0,245,255,0.04), rgba(157,78,221,0.04), rgba(255,0,170,0.04));
    --surface: #1a0a3a;
    --surface-2: #240e4f;
    --border: #3b1d6e;
    --border-strong: #6d3fc4;
    --text: #f0e6ff;
    --text-2: #c5a8ff;
    --text-3: #8868c0;
    --accent: #ff00aa;
    --accent-hover: #ff33bb;
    --accent-soft: rgba(255,0,170,0.18);
    --on-accent: #ffffff;
    --highlight: #00f5ff;
    --highlight-soft: rgba(0,245,255,0.14);
    --warn: #ffea00;
    --warn-soft: rgba(255,234,0,0.12);
    --ok: #00ffaa;
    --brand-grad: linear-gradient(135deg, #ff00aa, #9d4edd, #00f5ff);
    --page-bg: #fafaf6;
    --shadow-sm: 0 0 8px rgba(255,0,170,0.20);
    --shadow-md: 0 0 18px rgba(255,0,170,0.25), 0 4px 16px rgba(0,245,255,0.15);
    --shadow-lg: 0 0 32px rgba(255,0,170,0.30), 0 12px 40px rgba(157,78,221,0.30);
    --radius-sm: 4px;
    --radius-md: 16px;
    --radius-lg: 22px;
  }

  body { transition: background-color .4s ease, color .4s ease; }

  /* Export mode: hide UI chrome that shouldn't appear in captures */
  body.exporting .element { border: none !important; box-shadow: none !important; }
  body.exporting .element.selected { border: none !important; box-shadow: none !important; }
  body.exporting .page { box-shadow: none !important; border: none !important; transition: none !important; }
  body.exporting .page-spine { display: none; }
  body.exporting .floating-toolbar { display: none !important; }
  body.exporting .snap-line, body.exporting .resize-handle { display: none !important; }
  /* 書き出し時はガイド・装飾を全部非表示にして、純粋なページ内容だけが残る */
  body.exporting .guide-safe,
  body.exporting .page-number,
  body.exporting .link-arrows,
  body.exporting .selection-marquee,
  body.exporting .marquee { display: none !important; }

  /* ===================== Dashboard ===================== */
  .dashboard {
    position: fixed; inset: 0;
    background: var(--bg);
    background-image: var(--bg-pattern, none);
    z-index: 500;
    overflow-y: auto;
    display: none;
    flex-direction: column;
  }
  .dashboard.visible { display: flex; }
  body.dashboard-active .app { display: none; }

  /* PC 利用前提の明記バー（ダッシュボード上部、zineken-context-bar の直下）。
     スマホで開いたユーザーに最初に「編集は PC で」と伝える。 */
  .pc-recommend-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 32px;
    background: var(--accent-soft);
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-2);
    line-height: 1.55;
  }
  .pc-recommend-icon { flex-shrink: 0; font-size: 14px; }
  .pc-recommend-bar strong { color: var(--text); font-weight: 700; }
  .dashboard-header {
    padding: 48px 48px 32px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
  }
  .dashboard-hero {
    display: flex;
    align-items: center;
    gap: 20px;
  }
  /* ヘッダ右側：?ボタン + テーマスイッチャを横並びに */
  .dashboard-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }
  .dashboard-character {
    width: 64px; height: 84px;
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 6px;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
  }
  .dashboard-character svg { width: 100%; height: 100%; image-rendering: pixelated; }
  .dashboard-title h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 4px;
    background: var(--brand-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  [data-theme="plain"] .dashboard-title h1 {
    background: none;
    -webkit-text-fill-color: var(--text);
    color: var(--text);
    /* ZINE-KEN 由来の subtle なミスレジストレーション（ズレ刷り）— riso-pink を 1.5px ずらして
       riso-blue を反対方向に 1.5px ずらすことで、印刷物のような奥行きを与える。
       読みやすさを優先し、影は抑えめ。 */
    text-shadow:
      1.5px 0 0 rgba(255, 79, 163, 0.18),
      -1.5px 0 0 rgba(61, 85, 136, 0.18);
  }
  .dashboard-title p { font-size: 13px; color: var(--text-2); }

  /* スコープC：旧 .dashboard-disclaimer を畳んでタイトル直下のサブヘッダ「タグライン」に格上げ。
     「何のツールか」を初見で伝える役割。subtle accent border-left で控えめに強調しつつ、
     橙色バナーのような威圧感は出さない（用途は深刻な警告ではなく positioning）。 */
  .dashboard-tagline {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 6px;
    padding: 8px 12px;
    background: var(--accent-soft);
    border-left: 3px solid var(--highlight);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  }
  .dashboard-tagline strong {
    font-size: 12.5px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.02em;
  }
  .dashboard-tagline span {
    font-size: 11.5px;
    color: var(--text-2);
    line-height: 1.5;
  }

  /* 「2つの使い方」を視覚的に並列で示すカード群（旧 dashboard-tagline の格上げ）。
     accent-soft 背景 + highlight 左ボーダーで、控えめな存在感だが視認性は高い。 */
  .use-cases {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 6px;
  }
  @media (max-width: 780px) {
    .use-cases { grid-template-columns: 1fr; }
  }
  .use-case {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 9px 12px;
    background: var(--accent-soft);
    border-left: 3px solid var(--highlight);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  }
  .use-case-num {
    font-weight: 700;
    font-size: 13.5px;
    color: var(--highlight);
    letter-spacing: 0.06em;
    line-height: 1.2;
    margin-top: 1px;
    font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  }
  /* ZINE-KEN の RISO 配色を 01 / 02 に分ける。両カードを並列で別ブランド色にしつつ、
     2つの使い方の対比をはっきり見せる。 */
  .use-case:nth-child(1) .use-case-num { color: var(--riso-pink); }
  .use-case:nth-child(2) .use-case-num { color: var(--riso-blue); }
  .use-case:nth-child(1) { border-left-color: var(--riso-pink); }
  .use-case:nth-child(2) { border-left-color: var(--riso-blue); }
  .use-case-body { flex: 1; min-width: 0; }
  .use-case-title {
    font-size: 12.5px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 2px;
    letter-spacing: 0.01em;
  }
  .use-case-desc {
    font-size: 11.5px;
    color: var(--text-2);
    line-height: 1.55;
  }
  .use-case-desc a {
    color: var(--highlight);
    text-decoration: none;
    font-weight: 500;
  }
  .use-case-desc a:hover { text-decoration: underline; }

  /* ZINE-KEN との関係を伝えるコンテキストバー（ダッシュボード最上部）。
     ZINE-KEN ブランドの蛍光ピンク pulse dot を据え、subtle に「ZINE-KEN の MAKE モジュール」を示唆。 */
  .zineken-context-bar {
    padding: 9px 32px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    font-size: 11.5px;
    letter-spacing: 0.04em;
    position: relative;
    z-index: 3;
  }
  .zineken-back {
    color: var(--text-3);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.15s ease;
  }
  .zineken-back::before {
    /* ZINE-KEN の hero と同じ pulse dot（蛍光ピンク） */
    content: "";
    display: inline-block;
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--riso-pink);
    animation: zineken-pulse 2.6s ease-in-out infinite;
    flex-shrink: 0;
  }
  @keyframes zineken-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50%      { transform: scale(1.4); opacity: 0.55; }
  }
  .zineken-back:hover { color: var(--riso-blue); }
  .zineken-arrow { font-size: 12px; opacity: 0.7; }
  .zineken-label { display: inline-flex; gap: 6px; }
  .zineken-mark {
    font-weight: 600;
    color: var(--text-2);
    letter-spacing: 0.08em;
    font-family: ui-monospace, 'SF Mono', Menlo, monospace;
    font-size: 11px;
  }
  .zineken-back:hover .zineken-mark { color: var(--riso-pink); }

  /* ダッシュボード下端のクレジットフッター */
  .dashboard-footer {
    margin-top: 48px;
    padding: 24px 0 16px;
    text-align: center;
    border-top: 1px dashed var(--border);
    font-size: 12px;
    color: var(--text-3);
    letter-spacing: 0.02em;
  }
  .dashboard-footer p { margin: 0; }
  .dashboard-footer a {
    color: var(--text-2);
    text-decoration: none;
    transition: color 0.15s ease;
  }
  .dashboard-footer a:hover { color: var(--riso-pink); }
  .dashboard-footer strong { font-weight: 600; }

  /* ===================== ダッシュボードのレスポンシブ対応 =====================
     エディタ（.app）は PC 専用のため対象外。ダッシュボードだけスマホ/タブレットで
     破綻しないよう、余白・ヘッダー配置・グリッドを段階的に再構成する。 */

  /* タブレット幅：左右の余白を圧縮 */
  @media (max-width: 900px) {
    .dashboard-header { padding: 32px 24px 24px; }
    .dashboard-content { padding: 0 24px 64px; }
    .zineken-context-bar { padding: 9px 24px; }
    .pc-recommend-bar { padding: 8px 24px; }
  }

  /* スマホ幅：ヘッダーを縦積み、フォント・余白をさらに圧縮 */
  @media (max-width: 600px) {
    .zineken-context-bar { padding: 8px 16px; }
    .pc-recommend-bar { padding: 10px 16px; align-items: flex-start; }

    /* ヘッダー：アクション（?・テーマ）を上、ヒーローを下に縦積み */
    .dashboard-header {
      flex-direction: column-reverse;
      align-items: stretch;
      gap: 16px;
      padding: 18px 16px 18px;
    }
    .dashboard-header-actions { align-self: flex-end; }
    .dashboard-hero { gap: 14px; }
    .dashboard-character { width: 52px; height: 68px; }
    .dashboard-title h1 { font-size: 22px; }

    .dashboard-content { padding: 0 16px 56px; }

    /* イントロガイド：サブ説明文は狭いと折り返すので隠す、本文の余白も詰める */
    .intro-guide summary { padding: 12px 14px; gap: 8px; }
    .intro-guide-sub { display: none; }
    .intro-guide-body { padding: 4px 14px 16px; }
    .guide-sec { padding-left: 12px; }
    .guide-support-actions { flex-direction: column; }
    .guide-support-btn { text-align: center; }

    /* プロジェクトカード：狭い端末でも 2 列を維持できるよう最小幅を下げる */
    .project-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }

    /* ニュース：余白圧縮、1 列 */
    .news-section { margin: 24px 0 12px; padding: 16px 14px 18px; }
    .news-list { grid-template-columns: 1fr; }

    .dashboard-footer { margin-top: 36px; }
  }

  /* ストレージ使用量メーター（ダッシュボードのプロジェクト一覧の上に常設）。
     60% 超で warning、80% 超で alert に切り替わって色が変わる。
     polished modern corporate を保つため、通常時は subtle に。 */
  .storage-meter {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 8px 12px;
    background: var(--surface-2);
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
    border: 1px solid var(--border);
  }
  .storage-meter-info {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 11.5px;
  }
  .storage-meter-label {
    color: var(--text-3);
    letter-spacing: 0.04em;
  }
  .storage-meter-value {
    color: var(--text-2);
    font-family: ui-monospace, 'SF Mono', Menlo, monospace;
    font-size: 11px;
    font-variant-numeric: tabular-nums;
  }
  .storage-meter-bar {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
  }
  .storage-meter-fill {
    height: 100%;
    width: 0%;
    background: var(--riso-blue, #3D5588);
    transition: width 0.4s ease, background 0.3s ease;
  }
  /* 警告レベル：黄色寄りの注意色 */
  .storage-meter.warning .storage-meter-fill { background: var(--riso-yellow, #FFC83C); }
  .storage-meter.warning .storage-meter-value { color: #b07a00; font-weight: 600; }
  /* alert：ピンクで強調 */
  .storage-meter.alert .storage-meter-fill { background: var(--riso-pink, #FF4FA3); }
  .storage-meter.alert .storage-meter-value { color: var(--riso-pink, #FF4FA3); font-weight: 600; }

  /* ガイド「はじめにお読みください」（ダッシュボード冒頭、折りたたみ式）。
     使い方・データの扱い・注意事項・応援のお願いをツリーで集約。常時 collapsed。 */
  .intro-guide {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin: 0 0 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
  }
  .intro-guide summary {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    cursor: pointer;
    list-style: none;
    transition: background 0.15s ease;
  }
  .intro-guide summary::-webkit-details-marker { display: none; }
  .intro-guide summary:hover { background: var(--surface-2); }
  .intro-guide-icon { font-size: 17px; flex-shrink: 0; }
  .intro-guide-title {
    font-weight: 700;
    font-size: 14px;
    color: var(--text);
    letter-spacing: 0.01em;
    flex-shrink: 0;
  }
  .intro-guide-sub {
    flex: 1;
    font-size: 11.5px;
    color: var(--text-3);
    letter-spacing: 0.02em;
  }
  .intro-guide-chevron {
    color: var(--text-3);
    font-size: 12px;
    transition: transform 0.2s ease;
    flex-shrink: 0;
  }
  .intro-guide[open] .intro-guide-chevron { transform: rotate(180deg); }
  .intro-guide-body {
    padding: 6px 18px 20px;
    border-top: 1px dashed var(--border);
  }
  /* ガイドの各セクション（ツリーの幹） */
  .guide-sec {
    margin-top: 18px;
    padding-left: 14px;
    border-left: 2px solid var(--border);
  }
  .guide-sec-h {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin: 0 0 6px;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text);
  }
  .guide-sec-no {
    font-family: ui-monospace, 'SF Mono', Menlo, monospace;
    font-size: 11px;
    color: var(--riso-blue, #3D5588);
    letter-spacing: 0.06em;
  }
  /* ツリーの枝：各項目に ├ 風の見え方を与える */
  .guide-tree {
    margin: 0;
    padding: 0;
    list-style: none;
  }
  .guide-tree li {
    position: relative;
    padding-left: 16px;
    margin: 5px 0;
    font-size: 12.5px;
    line-height: 1.75;
    color: var(--text-2);
  }
  .guide-tree li::before {
    content: "├";
    position: absolute;
    left: 0;
    color: var(--text-3);
    font-size: 11px;
  }
  .guide-tree li:last-child::before { content: "└"; }
  .guide-tree strong { color: var(--text); font-weight: 600; }
  .guide-tree a { color: var(--riso-blue, #3D5588); text-decoration: none; }
  .guide-tree a:hover { color: var(--riso-pink, #FF4FA3); text-decoration: underline; }
  /* 注意事項セクション：左ボーダーを警告寄りに */
  .guide-sec-caution { border-left-color: var(--riso-pink, #FF4FA3); }
  .guide-sec-caution .guide-sec-no { color: var(--riso-pink, #FF4FA3); }
  /* 応援セクション */
  .guide-sec-support { border-left-color: var(--riso-yellow, #FFC83C); }
  .guide-sec-support .guide-sec-no { color: #b07a00; }
  .guide-support-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 10px 0 8px;
  }
  .guide-support-btn {
    display: inline-block;
    padding: 7px 14px;
    border-radius: var(--radius-pill);
    background: var(--accent);
    color: var(--on-accent);
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.15s ease, transform 0.1s ease;
  }
  .guide-support-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }
  .guide-support-note {
    margin: 4px 0 0;
    font-size: 12px;
    color: var(--text-3);
    line-height: 1.7;
  }

  /* 紙粒子グレイン（ZINE-KEN 由来）— dashboard / 一部ガイド画面に限定して適用。
     editor 内（body.dashboard-active が外れた状態）には載せない方針。
     mix-blend-mode: multiply で背景に馴染ませる。opacity を抑えて polished の範囲内に。 */
  body.dashboard-active::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.22;
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='g'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.06 0 0 0 0 0.13 0 0 0 0 0.24 0 0 0 0.18 0'/></filter><rect width='100%25' height='100%25' filter='url(%23g)'/></svg>");
  }
  /* テーマがダーク／サイケのときはグレインを抑える（コントラスト保護） */
  body.dashboard-active[data-theme="dark"]::after,
  body.dashboard-active[data-theme="psyche"]::after { opacity: 0.12; }

  /* ダッシュボードの主要セクション見出しに RISO アクセント。 */
  body.dashboard-active .dashboard-section-title {
    position: relative;
  }
  body.dashboard-active .dashboard-section-title > span:first-child {
    background-image: linear-gradient(180deg, transparent 78%, rgba(255,79,163,0.32) 78%, rgba(255,79,163,0.32) 92%, transparent 92%);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    padding: 0 2px;
  }

  .dashboard-content {
    padding: 0 48px 80px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
  }
  /* ⚠️ ダッシュボード冒頭の注意書きバナー */
  /* 控えめなインライン1行注意書き（旧：橙色グラデーションのバナーを廃止）。
     ダッシュボードの主役（プロジェクト・ニュース）を邪魔しない地味なトーン。 */
  .dashboard-disclaimer {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    margin: 0 0 18px;
    background: transparent;
    border: none;
    color: var(--text-3);
    font-size: 11px;
    line-height: 1.5;
  }
  .dashboard-disclaimer-icon {
    flex-shrink: 0;
    color: var(--text-3);
    opacity: 0.7;
  }
  .dashboard-disclaimer-icon svg { width: 14px; height: 14px; }
  .dashboard-disclaimer-body { color: var(--text-3); }
  .dashboard-disclaimer-body strong {
    color: var(--text-2);
    font-weight: 600;
    display: inline;
    margin: 0;
    font-size: inherit;
  }

  .dashboard-section-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .dashboard-section-title small {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-3);
  }
  .project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
  }
  .project-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all .15s ease;
    display: flex;
    flex-direction: column;
    position: relative;
  }
  .project-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
  }
  .project-card.new {
    border-style: dashed;
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px;
    min-height: 220px;
  }
  .project-card.new:hover {
    background: var(--accent);
    color: var(--on-accent);
  }
  .project-card.new .plus {
    font-size: 38px;
    font-weight: 300;
    line-height: 1;
    margin-bottom: 8px;
  }
  .project-card.new h3 { font-size: 14px; font-weight: 600; margin-bottom: 2px; }
  .project-card.new p { font-size: 11px; opacity: 0.7; }

  .project-card-thumb {
    aspect-ratio: 3/4;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .project-card-thumb svg { width: 80%; height: 80%; }
  .project-card-thumb .empty-mark {
    color: var(--text-3);
    font-size: 11px;
  }
  .project-card-info {
    padding: 14px 16px 12px;
  }
  .project-card-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .project-card-meta {
    font-size: 11px;
    color: var(--text-3);
    display: flex;
    gap: 8px;
  }
  .project-card-meta span:not(:last-child)::after {
    content: '·';
    margin-left: 8px;
  }
  .project-card-del {
    position: absolute;
    top: 8px; right: 8px;
    width: 26px; height: 26px;
    border-radius: 50%;
    background: rgba(20,18,15,0.7);
    color: #fff;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 5;
    backdrop-filter: blur(4px);
  }
  .project-card:hover .project-card-del { display: flex; }
  .project-card-del:hover { background: var(--warn); }

  /* 複製ボタン：×（削除）の左にペアで並ぶ。同じ円形のオーバーレイ系。 */
  .project-card-dup {
    position: absolute;
    top: 8px; right: 40px;
    width: 26px; height: 26px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: rgba(20,18,15,0.7);
    color: #fff;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 5;
    cursor: pointer;
    backdrop-filter: blur(4px);
    transition: background .12s ease;
  }
  .project-card:hover .project-card-dup { display: flex; }
  .project-card-dup:hover { background: var(--accent); }

  /* POP制作ボタン（プロジェクトカード内） */
  .project-card-actions {
    position: absolute;
    bottom: 8px; right: 8px;
    display: none;
    gap: 6px;
    z-index: 5;
  }
  .project-card:hover .project-card-actions { display: flex; }
  .project-card-pop {
    background: var(--text);
    color: #fff;
    border: none;
    border-radius: 14px;
    padding: 4px 12px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  }
  .project-card-pop:hover { background: var(--accent); }
  /* POP制作済みマーク：カードのサムネ左上にオーバーレイ表示。
     右下の hover ボタン（POP編集）と視覚的に被らない位置。 */
  .project-card-thumb { position: relative; }
  .project-card-popmark {
    position: absolute;
    top: 6px; left: 6px;
    padding: 2px 7px;
    background: var(--accent);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    border-radius: 3px;
    letter-spacing: 0.5px;
    z-index: 4;
    box-shadow: 0 1px 3px rgba(0,0,0,0.25);
  }

  /* ===================== Dashboard: ZINE関連ニュース ===================== */
  /* すべて theme CSS 変数（--surface / --surface-2 / --border / --text 系）で
     色を引くので、テーマ切替に追従して読みやすさが保たれる。 */
  .news-section {
    margin: 36px 0 12px;
    padding: 18px 20px 22px;
    background: var(--surface-2);
    border-radius: 10px;
    border: 1px solid var(--border);
  }
  .news-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 16px;
  }
  .news-mascot {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    background-image: url('mrnei.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
  }
  /* 管理人セクション：Mr.NEI の代わりに丸い「中の人」マーク */
  .admin-mascot {
    background-image: none;
    background: var(--accent);
    color: var(--surface);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Inter','Noto Sans JP',sans-serif;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.5px;
  }
  .admin-mascot::before { content: '1nei'; }
  .admin-section .news-balloon a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
  }
  .admin-section .news-balloon a:hover { text-decoration: underline; }
  .news-title-block { flex: 1; min-width: 0; }
  .news-balloon {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px 14px;
    display: inline-block;
    max-width: 100%;
    color: var(--text);
  }
  .news-balloon::before {
    content: '';
    position: absolute;
    left: -7px; top: 16px;
    width: 0; height: 0;
    border-style: solid;
    border-width: 6px 8px 6px 0;
    border-color: transparent var(--surface) transparent transparent;
    z-index: 1;
  }
  .news-balloon::after {
    content: '';
    position: absolute;
    left: -9px; top: 16px;
    width: 0; height: 0;
    border-style: solid;
    border-width: 6px 8px 6px 0;
    border-color: transparent var(--border) transparent transparent;
  }
  .news-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.4;
  }
  .news-subtitle {
    font-size: 11px;
    color: var(--text-3);
    margin-top: 2px;
  }
  .news-refresh {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 30px; height: 30px;
    color: var(--text-3);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
  }
  .news-refresh:hover { color: var(--accent); border-color: var(--accent); }
  .news-refresh.spinning svg { animation: spin 0.8s linear infinite; }
  @keyframes spin { to { transform: rotate(360deg); } }

  .news-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 10px;
  }
  .news-card {
    display: flex;
    gap: 10px;
    padding: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text);
    transition: border-color .12s ease, transform .12s ease, box-shadow .12s ease;
    align-items: stretch;
  }
  .news-card:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  }
  .news-thumb {
    width: 78px;
    height: 78px;
    flex-shrink: 0;
    background: var(--accent-soft);
    border-radius: 4px;
    overflow: hidden;
    display: flex; align-items: center; justify-content: center;
  }
  .news-thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
  }
  .news-thumb-placeholder {
    font-size: 24px;
    color: var(--text-3);
  }
  .news-body {
    flex: 1; min-width: 0;
    display: flex; flex-direction: column; justify-content: space-between;
    gap: 4px;
  }
  .news-card-title {
    font-size: 12.5px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text);
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    word-break: break-word;
  }
  .news-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 10.5px;
    color: var(--text-3);
    gap: 8px;
  }
  .news-card-author {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 60%;
  }
  .news-card-date {
    white-space: nowrap;
    flex-shrink: 0;
  }
  /* Skeleton loader — テーマの border / surface 色で shimmer。
     ダーク・サイケでも違和感なく薄く揺らぐ。 */
  .news-skel {
    background: linear-gradient(90deg, var(--border) 25%, var(--surface-2) 50%, var(--border) 75%);
    background-size: 200% 100%;
    animation: skel-shimmer 1.4s ease-in-out infinite;
    border-radius: 4px;
  }
  @keyframes skel-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
  }
  .news-skel-line {
    height: 12px;
    margin-bottom: 6px;
  }
  .news-skel-line.short { width: 60%; }
  .news-empty,
  .news-error {
    grid-column: 1 / -1;
    text-align: center;
    padding: 24px;
    color: var(--text-3);
    font-size: 13px;
  }
  .news-error { color: var(--warn, #c0392b); }

  /* POP / ZINE モード切替用のトップバーボタン表示制御 */
  .pop-mode-only { display: none !important; }
  body.mode-pop .pop-mode-only { display: inline-flex !important; }
  body.mode-pop .pop-mode-only.pop-mode-block { display: block !important; }
  /* ZINE 編集時にだけ出すボタン（POP モード時は非表示） */
  .zine-mode-only { display: inline-flex; }
  body.mode-pop .zine-mode-only { display: none !important; }

  /* POP モード時に隠す ZINE 特化 UI：
     - 表紙/裏表紙/SPREAD ラベル（POP は単一カード）
     - ページ番号タグ
     - 「冊子サイズ」「組み方向」「テンプレート」パネル
     - ページストリップ・ページ追加ボタン
     - canvas-meta の台割プレビュー説明
     - 表示オプションのうち POP に無関係なもの（ノンブル・リンク矢印・塗り足し）
     - トップバーのページ数表示・印刷PDF・テキスト書き出し */
  body.mode-pop .spread-label,
  body.mode-pop .page-tag,
  body.mode-pop .page-number { display: none !important; }

  /* 安全マージンガイドは POP では意味がない（55×91mm に 15mm マージン
     を取ると残り 25×61mm しかない）ので非表示。印刷時のカット線は pop-print.html
     側で描画するため、編集画面には不要。 */
  body.mode-pop .guide-safe { display: none !important; }

  /* 「台割プレビュー」ヘッダー（canvas-meta 内の .canvas-title とその説明） */
  body.mode-pop .canvas-meta { display: none !important; }

  body.mode-pop .pop-hide-section { display: none !important; }
  body.mode-pop .pop-hide-row { display: none !important; }
  body.mode-pop .pop-hide-topbar { display: none !important; }
  body.mode-pop .page-strip-wrap,
  body.mode-pop .canvas-header,
  body.mode-pop #add-pages-btn-2 { display: none !important; }

  /* POP 用：サイドバー上部に印刷情報セクションを追加（mode-pop で表示） */
  .pop-info-section { display: none; }
  body.mode-pop .pop-info-section { display: block; }
  .pop-info-box {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px 14px;
    font-size: 12px;
    line-height: 1.6;
    color: var(--text);
  }
  .pop-info-box .pop-info-row { display: flex; justify-content: space-between; margin: 2px 0; }
  .pop-info-box strong { color: var(--accent); font-weight: 700; }
  .pop-info-hint { color: var(--text-3); font-size: 11px; margin-top: 6px; }

  /* モーダル汎用フィールド */
  .modal-field {
    display: block;
    margin: 12px 0;
  }
  .modal-field > span {
    display: block;
    font-size: 12px;
    color: var(--text-2);
    margin-bottom: 4px;
    font-weight: 600;
  }
  .modal-field input[type="text"],
  .modal-field textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 13px;
    box-sizing: border-box;
  }
  .modal-field textarea { resize: vertical; min-height: 60px; }
  .modal-field input[type="text"]:focus,
  .modal-field textarea:focus {
    outline: none;
    border-color: var(--accent);
  }

  /* Dashboard guide */
  .dashboard-guide {
    margin-top: 48px;
    padding: 28px 32px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
  }
  .dashboard-guide-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
  }
  .dashboard-guide-sub {
    font-size: 12px;
    color: var(--text-3);
    margin-bottom: 24px;
  }
  .dashboard-guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 22px;
  }
  .dashboard-guide-item h3 {
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .dashboard-guide-item h3 .step-num {
    width: 22px; height: 22px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--on-accent);
    display: grid; place-items: center;
    font-size: 11px;
    font-weight: 700;
  }
  .dashboard-guide-item p {
    font-size: 12px;
    color: var(--text-2);
    line-height: 1.7;
    margin-left: 30px;
  }
  .dashboard-guide-tip {
    margin-top: 18px;
    padding: 12px 14px;
    background: var(--highlight-soft);
    border: 1px solid rgba(176,136,80,0.2);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--text-2);
    line-height: 1.6;
  }
  .dashboard-guide-tip strong { color: var(--highlight); }

  /* Back-to-dashboard button */
  .btn-back {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    margin-right: 6px;
    border-radius: var(--radius-sm);
    color: var(--text-2);
    font-size: 12px;
    transition: all .12s ease;
  }
  .btn-back:hover { background: var(--accent-soft); color: var(--accent); }

  /* ===================== Chat Dock ===================== */
  .chat-dock {
    position: fixed;
    bottom: 18px;
    right: 18px;
    z-index: 600;
    transition: all .2s ease;
  }
  body.dashboard-active .chat-dock { display: none; }
  .chat-bubble {
    width: 56px; height: 64px;
    background: var(--surface);
    border-radius: 50%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    padding: 4px;
    cursor: pointer;
    transition: all .15s ease;
    position: relative;
  }
  .chat-bubble:hover { transform: translateY(-2px) scale(1.04); }
  .chat-bubble svg { width: 100%; height: 100%; image-rendering: pixelated; }
  .chat-bubble-label {
    position: absolute;
    right: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    font-size: 11px;
    font-weight: 600;
    padding: 7px 12px;
    border-radius: var(--radius-md);
    white-space: nowrap;
    pointer-events: none;
  }
  .chat-bubble-label::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 8px; height: 8px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    border-top: 1px solid var(--border);
  }
  .chat-dock.open .chat-bubble-label { display: none; }
  .chat-panel {
    width: 340px;
    height: 480px;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    display: none;
    flex-direction: column;
    overflow: hidden;
  }
  .chat-dock.open .chat-bubble { display: none; }
  .chat-dock.open .chat-panel { display: flex; }
  .chat-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    background: var(--surface-2);
  }
  .chat-avatar {
    width: 34px; height: 40px;
    padding: 3px;
    background: var(--surface);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
  }
  .chat-avatar svg { width: 100%; height: 100%; image-rendering: pixelated; }
  .chat-title { flex: 1; min-width: 0; }
  .chat-title strong { font-size: 13px; display: block; color: var(--text); }
  .chat-title small { font-size: 10px; color: var(--text-3); }
  .chat-title .chat-subtitle {
    display: block;
    font-size: 10.5px;
    color: var(--text-3);
    letter-spacing: 0.02em;
    margin-top: 1px;
  }
  .chat-actions { display: flex; gap: 2px; }
  .chat-actions button {
    width: 26px; height: 26px;
    border-radius: 5px;
    color: var(--text-3);
    display: grid; place-items: center;
  }
  .chat-actions button:hover { background: var(--accent-soft); color: var(--text); }
  .chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 14px 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .chat-msg {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    max-width: 100%;
  }
  .chat-msg.user { flex-direction: row-reverse; }
  .chat-msg-avatar {
    width: 28px; height: 32px;
    padding: 2px;
    background: var(--surface-2);
    border-radius: 5px;
    flex-shrink: 0;
  }
  .chat-msg-avatar svg { width: 100%; height: 100%; image-rendering: pixelated; }
  .chat-msg.user .chat-msg-avatar { display: none; }
  .chat-msg-body {
    background: var(--surface-2);
    color: var(--text);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    font-size: 12px;
    line-height: 1.55;
    white-space: pre-wrap;
    max-width: 240px;
    word-break: break-word;
  }
  .chat-msg.user .chat-msg-body {
    background: var(--accent);
    color: var(--on-accent);
  }
  .chat-msg-body.error {
    background: var(--warn-soft);
    color: var(--warn);
    border: 1px solid rgba(192,57,43,0.2);
  }
  .chat-msg-typing {
    color: var(--text-3);
    font-style: italic;
  }
  .chat-empty {
    text-align: center;
    padding: 28px 16px;
    color: var(--text-3);
    font-size: 11px;
    line-height: 1.6;
  }
  .chat-empty strong { display: block; color: var(--text-2); font-size: 12px; margin-bottom: 6px; }
  .chat-suggestions {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 12px;
  }
  /* サジェストを「このツールの使い方」「ZINEづくり相談」の 2 グループに分けて提示。
     見出しを小さく出して、Mr.NEI の役割を視覚的にも明示する。 */
  .chat-suggestion-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 14px;
    text-align: left;
  }
  .chat-suggestion-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--text-3);
    text-transform: none;
    padding: 0 2px 2px;
  }
  .chat-suggestion {
    text-align: left;
    padding: 8px 10px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 11px;
    color: var(--text-2);
    transition: all .12s ease;
  }
  .chat-suggestion:hover {
    border-color: var(--accent);
    color: var(--text);
  }
  /* チャットの質問モード選択（入力欄の上） */
  .chat-mode-row {
    border-top: 1px solid var(--border);
    padding: 8px 10px 0;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .chat-mode-label {
    font-size: 10.5px;
    font-weight: 600;
    color: var(--text-3);
    flex-shrink: 0;
  }
  .chat-mode-select {
    flex: 1;
    min-width: 0;
    font-size: 12px;
    padding: 5px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    color: var(--text);
    cursor: pointer;
  }
  .chat-mode-select:focus { border-color: var(--accent); outline: none; }

  .chat-input-row {
    padding: 8px 10px 10px;
    display: flex;
    gap: 6px;
    align-items: flex-end;
  }
  .chat-input {
    flex: 1;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    font-size: 12px;
    background: var(--surface);
    color: var(--text);
    resize: none;
    min-height: 36px;
    max-height: 100px;
    font-family: inherit;
    line-height: 1.4;
    outline: none;
    transition: border-color .12s ease;
  }
  .chat-input:focus { border-color: var(--accent); }
  .chat-send {
    width: 36px; height: 36px;
    border-radius: var(--radius-sm);
    background: var(--accent);
    color: var(--on-accent);
    display: grid; place-items: center;
    transition: all .12s ease;
  }
  .chat-send:hover { background: var(--accent-hover); }
  .chat-send:disabled { opacity: 0.4; cursor: not-allowed; }

  .chat-undo-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    background: var(--surface);
    border: 1px solid var(--border-strong);
    color: var(--text-2);
    font-size: 10px;
    cursor: pointer;
    transition: all .12s ease;
  }
  .chat-undo-btn:hover {
    background: var(--warn-soft);
    border-color: var(--warn);
    color: var(--warn);
  }

  /* Marquee selection box */
  .marquee {
    position: fixed;
    border: 1.5px dashed var(--accent);
    background: rgba(31,41,55,0.06);
    z-index: 1000;
    pointer-events: none;
    border-radius: 2px;
  }

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

  html, body {
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-ui);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
  input, select { font: inherit; color: inherit; }

  /* ===================== Layout ===================== */
  .app {
    display: grid;
    grid-template-rows: 56px 1fr;
    height: 100vh;
  }

  .topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    z-index: 20;
    gap: 16px;
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    letter-spacing: -0.01em;
    flex-shrink: 0;
  }
  .brand-mark {
    width: 32px; height: 40px;
    background: #ffffff;
    border-radius: var(--radius-sm);
    display: grid; place-items: center;
    color: #fff; font-size: 13px; font-weight: 700;
    transition: all .3s ease;
    padding: 2px;
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
  }
  .brand-mark svg {
    width: 100%; height: 100%;
    display: block;
    image-rendering: pixelated;
  }
  [data-theme="psyche"] .brand-mark {
    animation: psyche-pulse 3s ease-in-out infinite;
  }
  @keyframes psyche-pulse {
    0%, 100% { box-shadow: 0 0 10px rgba(255,0,170,0.5); }
    50% { box-shadow: 0 0 20px rgba(0,245,255,0.6); }
  }
  .brand-name {
    font-family: var(--font-brand);
    font-size: 15px;
    background: var(--brand-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
  }
  [data-theme="plain"] .brand-name,
  :root .brand-name {
    background: none;
    -webkit-text-fill-color: var(--text);
    color: var(--text);
  }
  .brand-sub { color: var(--text-3); font-size: 12px; font-weight: 500; margin-left: 4px; }

  /* Project bar in middle of topbar */
  .project-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
  }
  .project-name-input {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    font-size: 13px;
    color: var(--text);
    min-width: 200px;
    text-align: center;
    transition: all .15s ease;
  }
  .project-name-input:hover { border-color: var(--border-strong); }
  .project-name-input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--surface);
    box-shadow: 0 0 0 3px rgba(31,41,55,0.06);
  }
  .project-status {
    font-size: 11px;
    color: var(--text-3);
    white-space: nowrap;
  }

  .top-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }

  /* Theme switcher */
  .theme-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    margin-right: 4px;
  }
  .theme-swatch {
    width: 22px; height: 22px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all .2s ease;
    position: relative;
  }
  .theme-swatch:hover { transform: scale(1.1); }
  .theme-swatch.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--accent);
  }
  .theme-swatch[data-theme="plain"] { background: linear-gradient(135deg, #f6f5f2 50%, #1f2937 50%); }
  .theme-swatch[data-theme="dark"] { background: linear-gradient(135deg, #15161a 50%, #d4a373 50%); }
  .theme-swatch[data-theme="pop"] { background: linear-gradient(135deg, #ff6b35, #ff3d8a, #f7c948); }
  .theme-swatch[data-theme="psyche"] { background: linear-gradient(135deg, #ff00aa, #9d4edd, #00f5ff); }
  .theme-label {
    font-size: 10px;
    color: var(--text-3);
    padding: 0 8px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
  }

  .btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 13px;
    transition: all .15s ease;
    border: 1px solid transparent;
    white-space: nowrap;
  }
  .btn-icon {
    padding: 7px;
    color: var(--text-2);
    border-radius: var(--radius-sm);
  }
  .btn-icon:hover { background: var(--accent-soft); color: var(--text); }
  .btn-ghost { color: var(--text-2); }
  .btn-ghost:hover { background: var(--accent-soft); color: var(--text); }
  .btn-primary {
    background: var(--accent); color: var(--on-accent);
  }
  .btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
  .btn-outline {
    border-color: var(--border-strong); color: var(--text);
    background: var(--surface);
  }
  .btn-outline:hover { background: var(--surface-2); }
  .btn-sm { padding: 6px 10px; font-size: 12px; }
  .btn-danger { color: var(--warn); }
  .btn-danger:hover { background: var(--warn-soft); }

  /* Menu dropdown */
  .menu-wrap { position: relative; }
  .menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    padding: 6px;
    display: none;
    z-index: 100;
  }
  .menu.visible { display: block; }
  .menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 4px;
    font-size: 13px;
    color: var(--text);
    cursor: pointer;
    transition: background .12s ease;
    width: 100%;
    text-align: left;
  }
  .menu-item:hover { background: var(--accent-soft); }
  .menu-item svg { width: 14px; height: 14px; color: var(--text-3); flex-shrink: 0; }
  .menu-divider { height: 1px; background: var(--border); margin: 4px 0; }
  /* `.zine-mode-only` の display:inline-flex を上書き（divider は block でないと潰れる） */
  .menu-divider.zine-mode-only { display: block; }
  body.mode-pop .menu-divider.zine-mode-only { display: none !important; }

  /* メニュー内のセクション見出し（"プロジェクト" "PDF" "テキスト" 等）。小さく目立たず分類だけ示す */
  .menu-section-label {
    padding: 8px 10px 4px;
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--text-3);
    text-transform: uppercase;
    pointer-events: none;
  }
  .menu-section-label:first-child { padding-top: 4px; }

  /* リッチなメニューアイテム（ラベル + 説明文）。書き出しメニューで使用 */
  .menu-item-body { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
  .menu-item-label { font-size: 13px; line-height: 1.3; color: var(--text); }
  .menu-item-desc { font-size: 11px; line-height: 1.35; color: var(--text-3); }
  .menu-item:hover .menu-item-desc { color: var(--text-2); }

  /* キーボードショートカットのバッジ風表記 */
  .menu-shortcut {
    margin-left: auto;
    padding: 1px 6px;
    font-size: 10.5px;
    font-family: var(--font-ui);
    color: var(--text-3);
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 4px;
    letter-spacing: 0.02em;
  }

  /* メニュー内のインライン行（ラベル + コントロール）。テーマ切替で使用 */
  .menu-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 10px;
  }
  .menu-row-label { font-size: 12px; color: var(--text-2); }
  .theme-switcher.inline { gap: 6px; padding: 0; }
  .theme-switcher.inline .theme-label { display: none; }
  .theme-switcher.inline .theme-swatch { width: 18px; height: 18px; }

  /* トップバーの薄い縦区切り */
  .topbar-divider {
    width: 1px;
    height: 22px;
    background: var(--border);
    margin: 0 2px;
    flex-shrink: 0;
  }

  /* Undo/Redo を密着ペアに見せる */
  .top-actions-history { display: flex; gap: 2px; }

  /* 「書き出し」ボタンの ▾ chevron — メイン CTA に小さく付ける */
  .btn.has-chevron { padding-right: 8px; }
  .btn.has-chevron .chevron { margin-left: 2px; opacity: 0.7; transition: transform .15s ease; }
  .menu-wrap:has(.menu.visible) .btn.has-chevron .chevron { transform: rotate(180deg); }

  /* POP編集中バナー（トップバー中央、body.mode-pop の時だけ表示）。
     "今モードが切り替わっている" ことを控えめに知らせ、POPだけのアクションをここに集約 */
  .mode-banner {
    display: none;
    align-items: center;
    gap: 10px;
    padding: 4px 10px 4px 12px;
    background: var(--accent-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    font-size: 12px;
    color: var(--text-2);
    flex-shrink: 0;
  }
  body.mode-pop .mode-banner { display: inline-flex; }
  .mode-banner-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
  }
  .mode-banner-label {
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.02em;
  }
  .mode-banner .btn { margin-left: 4px; }

  .workspace {
    display: grid;
    --sb: 290px;
    --insp: 320px;
    grid-template-columns: var(--sb) 1fr var(--insp);
    overflow: hidden;
    position: relative;
  }
  body.sidebar-collapsed .workspace { --sb: 0px; }
  body.inspector-collapsed .workspace { --insp: 0px; }
  body.sidebar-collapsed .sidebar,
  body.inspector-collapsed .inspector { border: none; }

  /* 左右パネル開閉トグル — パネル内側エッジに沿った小さなタブ */
  .panel-toggle {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 60;
    width: 18px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-3);
    cursor: pointer;
    transition: background .15s ease, color .15s ease;
  }
  .panel-toggle:hover { background: var(--surface-2); color: var(--text); }
  .panel-toggle svg { transition: transform .18s ease; }
  .panel-toggle--left {
    left: var(--sb);
    border-left: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  }
  .panel-toggle--right {
    right: var(--insp);
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  }
  body.sidebar-collapsed .panel-toggle--left svg { transform: rotate(180deg); }
  body.inspector-collapsed .panel-toggle--right svg { transform: rotate(180deg); }

  /* キャンバス列：固定ヘッダー + スクロールするキャンバス本体 */
  .canvas-col {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
    background: var(--bg);
    position: relative;
  }

  /* 表示リセットボタン（編集画面の右下に固定） */
  .view-reset-btn {
    position: absolute;
    right: 16px;
    bottom: 16px;
    z-index: 50;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-2);
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    transition: background .15s ease, color .15s ease, transform .1s ease;
  }
  .view-reset-btn:hover { background: var(--surface-2); color: var(--text); }
  .view-reset-btn:active { transform: scale(0.94); }
  .canvas-header {
    flex: none;
    padding: 12px 48px 12px;
    background: var(--bg-pattern, none), var(--bg);
  }
  .canvas-header .page-strip-wrap { margin-bottom: 0; }

  .sidebar, .inspector {
    background: var(--surface);
    overflow-y: auto;
  }
  .sidebar { border-right: 1px solid var(--border); }
  .inspector { border-left: 1px solid var(--border); display: flex; flex-direction: column; }

  .canvas-wrap {
    overflow: auto;
    /* Chrome の2本指スワイプによる「戻る/進む」ナビゲーションを抑止 */
    overscroll-behavior: contain;
    padding: 40px 48px 80px;
    background: var(--bg-pattern, none), var(--bg);
    position: relative;
    transition: background-color .4s ease;
  }

  /* スペースキー押下中はキャンバスをドラッグでパン（grab カーソル） */
  body.space-pan .canvas-wrap,
  body.space-pan .canvas-wrap * { cursor: grab; }
  body.space-pan.panning .canvas-wrap,
  body.space-pan.panning .canvas-wrap * { cursor: grabbing; }
  body.space-pan .moveable-control-box,
  body.space-pan .moveable-control-box * { cursor: grab !important; }
  body.space-pan.panning .moveable-control-box,
  body.space-pan.panning .moveable-control-box * { cursor: grabbing !important; }

  /* ===================== Sidebar Sections ===================== */
  .panel-section {
    padding: 20px 20px 18px;
    border-bottom: 1px solid var(--border);
  }
  .panel-section.compact { padding: 16px 20px 14px; }
  .panel-section:last-child { border-bottom: none; }
  .panel-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .panel-label {
    font-size: 12px;
    color: var(--text-2);
    margin-bottom: 8px;
    font-weight: 500;
  }

  /* Size selector with visual diagram */
  .size-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
    margin-bottom: 10px;
  }
  .size-chip {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding: 8px 2px 6px;
    gap: 6px;
    transition: all .15s ease;
    min-height: 64px;
  }
  .size-chip:hover {
    border-color: var(--border-strong);
    background: var(--surface);
  }
  .size-chip.active {
    border-color: var(--accent);
    background: var(--surface);
    box-shadow: 0 0 0 3px rgba(31,41,55,0.06);
  }
  .size-chip-rect {
    background: var(--text-3);
    border-radius: 1px;
    transition: background .15s ease;
    flex-shrink: 0;
  }
  .size-chip.active .size-chip-rect { background: var(--accent); }
  .size-chip-name {
    font-size: 11px;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.02em;
  }
  .size-chip.active .size-chip-name { color: var(--accent); }

  .size-detail {
    padding: 10px 12px;
    background: var(--surface-2);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--text-2);
  }
  .size-detail-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 4px;
  }
  .size-detail-row strong { color: var(--text); font-weight: 600; font-size: 13px; }
  .size-desc {
    font-size: 11px;
    color: var(--highlight);
    font-weight: 500;
    margin-top: 2px;
  }

  /* Toggle group */
  .toggle-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    background: var(--surface-2);
    padding: 4px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
  }
  .toggle-btn {
    padding: 8px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-2);
    transition: all .15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
  }
  .toggle-btn:hover { color: var(--text); }
  .toggle-btn.active {
    background: var(--surface);
    color: var(--text);
    box-shadow: var(--shadow-sm);
  }
  .toggle-btn svg { width: 14px; height: 14px; }

  /* 「本の作り」パネル：向き と 綴じ を行で並べる（スコープC 統合） */
  .panel-sub-row {
    display: grid;
    grid-template-columns: 36px 1fr;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
  }
  .panel-sub-row:last-child { margin-bottom: 0; }
  .panel-sub-label {
    font-size: 11px;
    color: var(--text-3);
    letter-spacing: 0.04em;
  }
  /* インライン版 toggle-group：行内に収まるサイズで、左ラベルとペアになる */
  .toggle-group.toggle-group-inline {
    padding: 3px;
    gap: 3px;
  }
  .toggle-group.toggle-group-inline .toggle-btn {
    padding: 5px 8px;
    font-size: 11.5px;
    flex-direction: column;
    gap: 1px;
    line-height: 1.2;
  }
  .toggle-group.toggle-group-inline .toggle-btn small {
    font-size: 9.5px;
    color: var(--text-3);
    font-weight: 400;
  }
  .toggle-group.toggle-group-inline .toggle-btn.active small { color: var(--text-2); }

  /* Add element buttons */
  .element-buttons {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .element-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text);
    transition: all .15s ease;
    text-align: left;
  }
  .element-btn:hover {
    border-color: var(--border-strong);
    background: var(--surface-2);
    transform: translateY(-1px);
  }
  .element-btn-icon {
    width: 28px; height: 28px;
    border-radius: 5px;
    background: var(--accent-soft);
    display: grid; place-items: center;
    flex-shrink: 0;
  }
  .element-btn-icon svg { width: 14px; height: 14px; color: var(--text-2); }
  .element-btn-meta { font-size: 11px; color: var(--text-3); margin-top: 1px; }
  .element-btn-text { flex: 1; }

  .selection-hint {
    margin-top: 10px;
    padding: 10px 12px;
    background: linear-gradient(180deg, rgba(176,136,80,0.06), rgba(176,136,80,0.02));
    border: 1px dashed rgba(176,136,80,0.3);
    border-radius: var(--radius-sm);
    font-size: 11px;
    color: var(--text-2);
    line-height: 1.55;
  }

  /* ===================== Templates ===================== */
  .tpl-tabs {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 3px;
    background: var(--surface-2);
    padding: 3px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    margin-bottom: 12px;
  }
  .tpl-tab {
    padding: 7px 2px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-2);
    transition: all .15s ease;
  }
  .tpl-tab:hover { color: var(--text); }
  .tpl-tab.active {
    background: var(--surface);
    color: var(--text);
    box-shadow: var(--shadow-sm);
  }
  .tpl-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .tpl-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: all .15s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
  }
  .tpl-card:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
  }
  .tpl-thumb {
    aspect-ratio: 3/4;
    background: #fbfaf7;
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
  }
  .tpl-thumb.landscape { aspect-ratio: 4/3; }
  .tpl-thumb svg { width: 100%; height: 100%; display: block; }
  .tpl-name {
    padding: 6px 8px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.3;
  }
  .tpl-desc {
    padding: 0 8px 6px;
    font-size: 10px;
    color: var(--text-3);
    line-height: 1.3;
  }
  .tpl-save-card {
    background: var(--accent-soft);
    border: 1px dashed var(--accent);
    color: var(--accent);
    border-radius: var(--radius-sm);
    aspect-ratio: 3/4;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all .15s ease;
    text-align: center;
    padding: 8px;
    font-size: 11px;
    font-weight: 600;
  }
  .tpl-save-card:hover {
    background: var(--accent);
    color: var(--on-accent);
    transform: translateY(-1px);
  }
  .tpl-card { position: relative; }
  .tpl-del {
    position: absolute;
    top: 4px; right: 4px;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: rgba(0,0,0,0.6);
    color: #fff;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    line-height: 1;
    z-index: 5;
    cursor: pointer;
  }
  .tpl-card:hover .tpl-del { display: flex; }
  .tpl-empty {
    grid-column: 1 / -1;
    padding: 24px 12px;
    text-align: center;
    color: var(--text-3);
    font-size: 11px;
    line-height: 1.5;
  }

  /* Display options */
  .opt-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 12px;
    color: var(--text-2);
  }
  .opt-row:not(:last-child) { border-bottom: 1px dashed var(--border); }

  /* ノンブル範囲：「ノンブル（自動）」スイッチの下にぶら下がるサブ行 */
  .pagenum-range-row {
    padding: 6px 0 10px 12px;  /* 左にインデント */
    border-bottom: 1px dashed var(--border);
  }
  .pagenum-range-row .opt-row-sub {
    font-size: 11px;
    color: var(--text-3);
  }
  .pagenum-range-row.disabled {
    opacity: 0.4;
    pointer-events: none;
  }
  .pagenum-range-inputs {
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .pagenum-range-inputs input[type="number"] {
    width: 48px;
    padding: 3px 6px;
    font-size: 11px;
    text-align: center;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: var(--font-ui);
  }
  .pagenum-range-inputs input[type="number"]:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--surface);
  }
  /* Webkit のスピンボタンは目立つので控えめに */
  .pagenum-range-inputs input[type="number"]::-webkit-inner-spin-button {
    opacity: 0.4;
  }
  .pagenum-range-sep { color: var(--text-3); font-size: 11px; }
  .switch {
    position: relative;
    width: 32px; height: 18px;
    background: var(--border-strong);
    border-radius: 9px;
    cursor: pointer;
    transition: background .15s ease;
  }
  .switch::after {
    content: '';
    position: absolute;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: #fff;
    top: 2px; left: 2px;
    transition: transform .15s ease;
    box-shadow: var(--shadow-sm);
  }
  .switch.on { background: var(--accent); }
  .switch.on::after { transform: translateX(14px); }

  .zoom-row {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .zoom-row input[type="range"] {
    flex: 1;
    accent-color: var(--accent);
  }
  .zoom-val {
    font-size: 11px;
    color: var(--text-2);
    font-variant-numeric: tabular-nums;
    min-width: 40px;
    text-align: right;
  }

  /* ===================== Canvas / Spreads ===================== */
  .canvas-meta {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-bottom: 10px;
  }
  .canvas-title {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.01em;
  }
  /* 冊子情報サマリー（トップバー内、戻る／自動保存の間） */
  .canvas-summary {
    font-size: 12px;
    color: var(--text-3);
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
    white-space: nowrap;
  }
  body.mode-pop #canvas-summary { display: none; }
  .canvas-summary span strong { color: var(--text-2); font-weight: 600; }

  .spreads-container {
    display: flex;
    flex-direction: column;
    gap: 36px;
    align-items: center;
    /* 冊子の左右に十分な「外側」スペースを確保し、片ページを画面中央に
       置けるようにする。width:max-content + content-box で padding 分だけ
       スクロール領域が広がる（初期位置は JS で中央へ寄せる）。 */
    box-sizing: content-box;
    width: max-content;
    padding: 0 clamp(64px, 46vw, 880px) 40px;
  }

  .spread {
    display: flex;
    align-items: stretch;
    justify-content: center;
    position: relative;
  }
  /* Spread-spanning elements positioned absolutely within spread */
  .element.spread-span {
    z-index: 50;
    outline: 1px dashed rgba(176,136,80,0.5);
    outline-offset: 2px;
  }
  .element.spread-span.selected {
    outline: 2px solid var(--accent);
  }

  .spread-label {
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    color: var(--text-3);
    letter-spacing: 0.08em;
    font-weight: 500;
  }

  /* スプレッド間の「見開き2ページを挿入」ボタン */
  .spread-insert {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 26px;
    padding: 0 16px;
    margin: -22px 0;
    border: 1px dashed var(--border);
    border-radius: 999px;
    background: var(--bg);
    color: var(--text-3);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
  }
  .spread-insert:hover {
    opacity: 1;
    background: var(--surface);
    border-color: var(--accent);
    color: var(--accent);
  }

  .page {
    position: relative;
    background: var(--page-bg);
    box-shadow: var(--shadow-md);
    transition: box-shadow .2s ease, background-color .3s ease;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.04);
    color: #1a1916;
  }
  .page:hover { box-shadow: var(--shadow-lg); }
  .page.left-edge { border-radius: 2px 0 0 2px; }
  .page.right-edge { border-radius: 0 2px 2px 0; }
  .page.solo { border-radius: 2px; }
  .page.selected-page {
    box-shadow: var(--shadow-lg), 0 0 0 2px rgba(31,41,55,0.15);
  }
  .page.drop-target {
    box-shadow: var(--shadow-lg), 0 0 0 3px var(--highlight);
  }

  .page-spine {
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(0,0,0,0.08), transparent);
    align-self: stretch;
  }

  .page-number {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 9px;
    color: var(--text-3);
    pointer-events: none;
    letter-spacing: 0.05em;
    z-index: 2;
  }
  /* ノンブル位置: 外側下を選んだときに pn-left / pn-right で 中央配置を上書き。
     pn-center は既定の中央配置のまま（追加ルールなし）。 */
  .page-number.pn-left  { left: 10px; right: auto;  transform: none; }
  .page-number.pn-right { left: auto; right: 10px;  transform: none; }
  .page.cover .page-number,
  .page.back .page-number { color: var(--highlight); font-weight: 600; }

  .page-tag {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 9px;
    padding: 2px 8px;
    background: rgba(176,136,80,0.1);
    color: var(--highlight);
    border-radius: 3px;
    font-weight: 600;
    letter-spacing: 0.05em;
    pointer-events: none;
    z-index: 2;
  }

  /* Guides */
  .guide-safe {
    position: absolute;
    border: 1px dashed rgba(31,41,55,0.18);
    pointer-events: none;
    z-index: 1;
  }
  .snap-line {
    position: absolute;
    background: var(--highlight);
    pointer-events: none;
    z-index: 1000;
    opacity: 0.9;
  }
  .snap-line.v { width: 1px; }
  .snap-line.h { height: 1px; }

  /* Page strip */
  .page-strip-wrap {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .page-strip-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-3);
    flex-shrink: 0;
  }
  .page-strip {
    display: flex;
    gap: 5px;
    overflow-x: auto;
    padding: 2px 0 6px;
    flex: 1;
    min-width: 0;
  }
  .page-thumb {
    flex-shrink: 0;
    width: 32px;
    border: 1.5px solid var(--border);
    border-radius: 3px;
    background: var(--page-bg);
    cursor: grab;
    position: relative;
    transition: all .15s ease;
    overflow: hidden;
  }
  .page-thumb:hover { border-color: var(--border-strong); transform: translateY(-1px); }
  .page-thumb.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-soft);
  }
  .page-thumb.dragging { opacity: 0.4; }
  .page-thumb.drop-before { box-shadow: -3px 0 0 0 var(--highlight); }
  .page-thumb.drop-after { box-shadow: 3px 0 0 0 var(--highlight); }
  .page-thumb svg { width: 100%; height: 100%; display: block; }
  .page-thumb-num {
    position: absolute;
    bottom: -1px; right: -1px;
    background: var(--accent);
    color: var(--on-accent);
    font-size: 8px;
    padding: 1px 3px;
    border-radius: 2px 0 0 0;
    line-height: 1;
    font-weight: 600;
  }
  .page-thumb-del {
    position: absolute;
    top: -6px; right: -6px;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--warn);
    color: #fff;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    line-height: 1;
    cursor: pointer;
    z-index: 5;
  }
  .page-thumb:hover .page-thumb-del { display: flex; }
  .page-thumb-cover, .page-thumb-back {
    background: linear-gradient(135deg, rgba(176,136,80,0.10), transparent);
  }

  /* Element on page */
  .element {
    position: absolute;
    cursor: move;
    border: 1px solid transparent;
    transition: border-color .1s ease, box-shadow .1s ease;
    box-sizing: border-box;
    z-index: 3;
  }
  .element:hover { border-color: rgba(31,41,55,0.2); }
  .element.selected {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(31,41,55,0.08);
    /* z-index intentionally unchanged — DOM order determines stacking */
  }
  .element.dragging { z-index: 100; }
  .element.linked-source::after,
  .element.linked-cont::after {
    content: '';
    position: absolute;
    /* ボックスの外側（上辺の上）に出す。中に置くと vertical-rl の第1列テキストと
       視覚的に被って「テキストが左にずれた」と誤認される。 */
    top: -16px; right: 0;
    width: 14px; height: 14px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b08850' stroke-width='2.5'%3E%3Cpath d='M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71'/%3E%3Cpath d='M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71'/%3E%3C/svg%3E");
    pointer-events: none;
    opacity: 0.7;
  }
  .element.linked-cont { background: rgba(176,136,80,0.03); }
  body.hide-link-marks .element.linked-source::after,
  body.hide-link-marks .element.linked-cont::after { display: none; }
  body.hide-link-marks .element.linked-cont { background: transparent; }
  body.link-pick-mode .element.body,
  body.link-pick-mode .element.heading {
    cursor: crosshair !important;
    outline: 2px dashed var(--highlight);
    outline-offset: 2px;
  }
  body.link-pick-mode .element.body:hover,
  body.link-pick-mode .element.heading:hover {
    background: rgba(176,136,80,0.15);
  }
  .link-pick-banner {
    position: fixed;
    top: 70px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--highlight);
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 600;
    z-index: 1500;
    box-shadow: var(--shadow-md);
    display: none;
  }
  body.link-pick-mode .link-pick-banner { display: block; }

  /* Link arrows overlay */
  .link-arrows {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 200;
    overflow: visible;
  }
  .link-arrows path {
    fill: none;
    stroke-width: 1.25;
    opacity: 0.4;
  }
  .link-arrows circle.link-dot {
    opacity: 0.45;
  }
  .canvas-wrap { position: relative; }

  .element-content {
    width: 100%;
    height: 100%;
    outline: none;
    overflow: hidden;
    word-break: break-word;
  }
  .element-content[contenteditable="true"]:focus {
    cursor: text;
  }

  .element.heading .element-content {
    font-family: var(--font-jp);
    font-weight: 700;
    line-height: 1.4;
  }
  .element.body .element-content {
    font-family: var(--font-serif);
    line-height: 1.7;
  }
  .element.image-placeholder {
    background: repeating-linear-gradient(
      45deg,
      #e8e6e1,
      #e8e6e1 6px,
      #efece6 6px,
      #efece6 12px
    );
    border: 1px solid var(--border-strong);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .element.image-placeholder.has-image {
    background: none;
    border-color: transparent;
  }
  .element.image-placeholder.has-image:hover { border-color: rgba(31,41,55,0.2); }

  /* カラーボックス（shape）：fill 色は inline style で当たる。border は通常時 transparent、
     hover/selected で控えめに見える。テキストと違って中身が無いので余分な装飾はしない。 */
  .element.shape {
    border: 1px solid transparent;
    transition: border-color .12s ease;
  }
  .element.shape:hover { border-color: rgba(31,41,55,0.25); }
  body.moveable-on .element.shape:hover { border-color: transparent !important; }
  .element.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
    user-select: none;
  }
  .element.image-placeholder .element-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: var(--text-3);
    font-size: 11px;
    pointer-events: none;
    user-select: none;
    font-family: var(--font-ui);
  }
  .element.image-placeholder.has-image .element-content { display: none; }
  .upload-hint-icon {
    width: 22px; height: 22px;
    opacity: 0.5;
  }

  /* Per-element writing mode.
     renderElement() sets node.dataset.writingMode = 効力ある方向 ('vertical'|'horizontal')
     on every text element. ページ既定（state.binding === 'right' なら縦書き）が
     基本だが、el.writingMode で要素ごとに上書き可。 */
  .element[data-writing-mode="vertical"] > .element-content {
    writing-mode: vertical-rl;
    -webkit-writing-mode: vertical-rl;
    text-orientation: mixed;
  }
  .element[data-writing-mode="horizontal"] > .element-content {
    writing-mode: horizontal-tb;
    -webkit-writing-mode: horizontal-tb;
  }

  /* Column horizontal alignment within the box (縦書きのみ).
     Default: columns sit at the RIGHT edge of the box (natural for vertical-rl).
     When data-col-align is set, .element-content shrinks to text width and is
     absolute-positioned within .element. */
  .element[data-writing-mode="vertical"][data-col-align] > .element-content {
    position: absolute;
    top: 0; bottom: 0;
    width: auto;
    max-width: 100%;
    height: 100%;
  }
  .element[data-writing-mode="vertical"][data-col-align="right"] > .element-content { right: 0; left: auto; }
  .element[data-writing-mode="vertical"][data-col-align="center"] > .element-content {
    left: 50%; right: auto;
    transform: translateX(-50%);
  }
  .element[data-writing-mode="vertical"][data-col-align="left"] > .element-content { left: 0; right: auto; }

  /* Toolbar UI: 選択中の要素の **実効書字方向** に追従する。
     body.selection-vertical は updateSelection() で同期される。 */
  body.selection-vertical .ft-align-icon { transform: rotate(90deg); }
  /* col-align ボタンは選択中の要素が縦書きのときだけ表示 */
  body:not(.selection-vertical) .ft-col-align-only { display: none !important; }

  /* Resize handles */
  .resize-handle {
    position: absolute;
    width: 10px; height: 10px;
    background: #fff;
    border: 1.5px solid var(--accent);
    border-radius: 50%;
    z-index: 10;
    display: none;
  }
  .element.selected .resize-handle { display: block; }
  /* ロック中の要素：オレンジの破線アウトラインで明示、リサイズ不可 */
  .element.locked { cursor: not-allowed; }
  .element.locked.selected { outline: 1.5px dashed #d4823a; outline-offset: -1.5px; }
  .element.locked .resize-handle { display: none !important; }
  .resize-handle.se { bottom: -5px; right: -5px; cursor: se-resize; }
  .resize-handle.sw { bottom: -5px; left: -5px; cursor: sw-resize; }
  .resize-handle.ne { top: -5px; right: -5px; cursor: ne-resize; }
  .resize-handle.nw { top: -5px; left: -5px; cursor: nw-resize; }

  /* Overflow badge — InDesign-style red "+" port at bottom-right of any text
     element whose text doesn't fit. Shown only when .has-overflow is on. */
  .overflow-badge {
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 16px;
    height: 16px;
    background: #d04545;
    color: #fff;
    border-radius: 2px;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;       /* クリックで「流し込み先選択」モードを起動 */
    z-index: 11;
    box-shadow: 0 1px 2px rgba(0,0,0,0.25);
    transition: transform 0.12s ease, background 0.12s ease;
  }
  .overflow-badge:hover { background: #b03a3a; transform: scale(1.08); }
  .element.has-overflow > .overflow-badge { display: flex; }
  /* Hide while exporting / for image elements / locked elements */
  body.exporting .overflow-badge { display: none !important; }
  .element.image .overflow-badge,
  .element.image-placeholder .overflow-badge { display: none !important; }

  /* Floating toolbar */
  .floating-toolbar {
    position: fixed;
    /* テーマ非依存の暗色固定。var(--text) だとダーク/サイケで明色になり
       白文字・白系アイコンが見えなくなる不具合があったため。 */
    background: #1f1e1c;
    color: #fff;
    border-radius: 8px;
    padding: 4px;
    display: none;
    align-items: center;
    gap: 2px;
    box-shadow: var(--shadow-lg);
    z-index: 200;
    transform: translate(-50%, calc(-100% - 8px));
  }
  .floating-toolbar.visible { display: flex; }
  .floating-toolbar::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 8px; height: 8px;
    background: #1f1e1c;
  }
  .ft-btn {
    padding: 6px 8px;
    color: rgba(255,255,255,0.8);
    border-radius: 4px;
    font-size: 12px;
    transition: all .12s ease;
    display: flex;
    align-items: center;
    gap: 4px;
  }
  .ft-btn:hover { background: rgba(255,255,255,0.1); color: #fff; }
  .ft-btn.danger:hover { background: rgba(239,68,68,0.3); color: #fff; }
  .ft-input {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    width: 56px;
    font-size: 12px;
    text-align: center;
    outline: none;
  }
  .ft-input:focus { border-color: rgba(255,255,255,0.4); }
  .ft-divider { width: 1px; height: 16px; background: rgba(255,255,255,0.15); margin: 0 2px; }
  .ft-label { font-size: 11px; color: rgba(255,255,255,0.5); padding: 0 4px; }
  .ft-select {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    color: #fff;
    padding: 4px 6px;
    border-radius: 4px;
    font-size: 11px;
    outline: none;
    cursor: pointer;
  }
  .ft-select option { background: #1a1916; color: #fff; }
  .ft-btn.active { background: rgba(255,255,255,0.2); color: #fff; }
  .ft-color-wrap {
    position: relative;
    width: 26px; height: 26px;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    display: grid;
    place-items: center;
    background: rgba(255,255,255,0.06);
    transition: background .1s ease;
  }
  .ft-color-wrap:hover { background: rgba(255,255,255,0.12); }
  .ft-color-dot {
    width: 14px; height: 14px;
    border-radius: 50%;
    border: 1.5px solid #fff;
    background: var(--ft-color, #1a1916);
    pointer-events: none;
  }
  .ft-color {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    border: none;
    background: none;
  }
  .ft-swatches { display: flex; gap: 4px; padding: 0; }
  .ft-swatch {
    width: 18px; height: 18px;
    border-radius: 4px;
    border: 1.5px solid rgba(255,255,255,0.25);
    cursor: pointer;
    padding: 0;
    transition: transform .12s ease, border-color .12s ease;
  }
  .ft-swatch:hover { transform: scale(1.15); border-color: #fff; }
  .ft-swatch[data-color="#ffffff"] { border-color: rgba(0,0,0,0.3); }

  /* ━━━━━━━━ Floating Toolbar Popovers（スコープB リデザイン） ━━━━━━━━
     トリガーボタンの下に展開する小パネル。色 / 整列 / 画像 / その他 で共通の構造。
     `.ft-popover` の display:none → visible で開閉。背景はトップバーと同じく暗色テーマ。 */
  .ft-popover-wrap { position: relative; display: inline-flex; }
  .ft-popover-trigger { gap: 4px; }
  .ft-popover-trigger .ft-chevron {
    opacity: 0.6;
    transition: transform .15s ease;
    flex-shrink: 0;
  }
  .ft-popover-wrap:has(.ft-popover.visible) .ft-popover-trigger .ft-chevron {
    transform: rotate(180deg);
    opacity: 1;
  }
  .ft-popover-wrap:has(.ft-popover.visible) .ft-popover-trigger {
    background: rgba(255,255,255,0.15);
    color: #fff;
  }
  .ft-popover {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: #2a2926;
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 8px;
    padding: 6px;
    display: none;
    flex-direction: column;
    gap: 2px;
    min-width: 200px;
    z-index: 210;
    box-shadow: 0 12px 32px rgba(0,0,0,0.45), 0 2px 6px rgba(0,0,0,0.3);
  }
  .ft-popover.visible { display: flex; }
  /* 三角形のしるし（上向きのちっちゃい三角でトリガーと繋がっているように見せる） */
  .ft-popover::before {
    content: '';
    position: absolute;
    top: -4px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 8px; height: 8px;
    background: #2a2926;
    border-left: 1px solid rgba(255,255,255,0.10);
    border-top: 1px solid rgba(255,255,255,0.10);
  }

  /* 1行に「ラベル + コントロール群」の grid 風行（色・整列パネルで使用） */
  .ft-popover-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 4px;
  }
  .ft-popover-label {
    font-size: 10.5px;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.04em;
    min-width: 56px;
    flex-shrink: 0;
  }
  .ft-popover-divider {
    height: 1px;
    background: rgba(255,255,255,0.08);
    margin: 4px 0;
  }
  /* ポップオーバー内のコンパクトボタン（書字方向・整列・列整列・箇条書き）。
     既存 .ft-btn の派生で、暗色背景上での見た目を強める。 */
  .ft-pop-item-btn { padding: 5px 7px; }

  /* 縦リスト型ポップオーバー（画像 ▾ / ⋯ ▾）。各項目はアイコン + 日本語ラベルの行。 */
  .ft-popover-list { min-width: 220px; }
  .ft-popover-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 4px;
    font-size: 12.5px;
    color: rgba(255,255,255,0.85);
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: background .12s ease, color .12s ease;
    width: 100%;
  }
  .ft-popover-item:hover {
    background: rgba(255,255,255,0.10);
    color: #fff;
  }
  .ft-popover-item svg {
    width: 14px; height: 14px;
    color: rgba(255,255,255,0.55);
    flex-shrink: 0;
  }
  .ft-popover-item:hover svg { color: #fff; }
  .ft-popover-item.ft-popover-item-danger:hover {
    background: rgba(239,68,68,0.25);
    color: #ff8a8a;
  }
  .ft-popover-item.ft-popover-item-danger:hover svg { color: #ff8a8a; }
  .ft-popover-item.active {
    background: rgba(255,255,255,0.12);
    color: #fff;
  }

  /* 色 ▾ の中：ft-color-wrap は今は popover の中の native input 用の薄いラッパー */
  .ft-popover .ft-color-wrap {
    width: auto;
    height: 26px;
    flex: 1;
    background: rgba(255,255,255,0.06);
    border-radius: 4px;
    display: flex;
    align-items: center;
    padding: 0 8px;
    cursor: pointer;
  }
  .ft-popover .ft-color-wrap:hover { background: rgba(255,255,255,0.12); }
  .ft-popover .ft-color-wrap .ft-color {
    width: 100%;
    height: 100%;
    opacity: 1;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: 4px;
  }
  /* トリガー上のドット（現在色を示す）はそのまま使える */
  .ft-popover-trigger .ft-color-dot {
    width: 16px; height: 16px;
    border-radius: 50%;
    border: 1.5px solid rgba(255,255,255,0.7);
    background: var(--ft-color, #1a1916);
    pointer-events: none;
    flex-shrink: 0;
  }

  /* Add pages button */
  .add-pages-btn {
    margin: 24px auto 0;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--surface);
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-md);
    color: var(--text-2);
    font-size: 13px;
    transition: all .15s ease;
  }
  .add-pages-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--surface);
  }

  /* Inspector */
  .inspector-empty {
    padding: 30px 22px;
    text-align: center;
    color: var(--text-3);
    font-size: 12px;
    line-height: 1.6;
  }
  .inspector-empty-icon {
    width: 40px; height: 40px;
    margin: 0 auto 14px;
    border-radius: 8px;
    background: var(--surface-2);
    display: grid; place-items: center;
    color: var(--text-3);
  }

  .stat-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 8px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 12px;
  }
  .stat-row:last-child { border-bottom: none; }
  .stat-label { color: var(--text-2); }
  .stat-value { font-weight: 600; color: var(--text); font-variant-numeric: tabular-nums; }
  .stat-value.warn { color: var(--warn); }
  .stat-value.ok { color: var(--ok); }

  .progress {
    height: 4px;
    background: var(--surface-2);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 4px;
  }
  .progress-bar {
    height: 100%;
    background: var(--accent);
    transition: width .3s ease, background .2s ease;
  }
  .progress-bar.warn { background: #e08a3c; }
  .progress-bar.danger { background: var(--warn); }

  .inspector-pageinfo {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    padding: 10px 12px;
    background: var(--surface-2);
    border-radius: var(--radius-sm);
  }
  .pageinfo-num {
    width: 26px; height: 26px;
    border-radius: 5px;
    background: var(--accent);
    color: #fff;
    display: grid; place-items: center;
    font-weight: 600;
    font-size: 12px;
  }
  .pageinfo-text { font-size: 12px; color: var(--text-2); }
  .pageinfo-text strong { display: block; color: var(--text); font-size: 13px; }

  .page-controls {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 4px;
    margin-bottom: 12px;
  }
  .page-ctrl-btn {
    padding: 7px 4px;
    font-size: 11px;
    color: var(--text-2);
    border: 1px solid var(--border);
    border-radius: 5px;
    background: var(--surface);
    transition: all .12s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
  }
  .page-ctrl-btn:hover:not(:disabled) {
    border-color: var(--border-strong);
    color: var(--text);
    background: var(--surface-2);
  }
  .page-ctrl-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
  }
  .page-ctrl-btn.danger { color: var(--warn); }
  .page-ctrl-btn.danger:hover:not(:disabled) {
    background: var(--warn-soft);
    border-color: rgba(192,57,43,0.3);
  }

  /* Tips card */
  .tips-card {
    margin: 14px 20px;
    padding: 12px 14px;
    background: linear-gradient(135deg, rgba(176,136,80,0.06), rgba(176,136,80,0.02));
    border: 1px solid rgba(176,136,80,0.18);
    border-radius: var(--radius-md);
    position: relative;
  }
  .tips-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
  }
  .tips-card-title {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--highlight);
    display: flex;
    align-items: center;
    gap: 5px;
  }
  .tips-card-body {
    font-size: 12px;
    color: var(--text);
    line-height: 1.55;
  }
  .tips-card-nav {
    display: flex;
    gap: 4px;
  }
  .tips-nav-btn {
    width: 18px; height: 18px;
    border-radius: 4px;
    color: var(--highlight);
    opacity: 0.6;
    display: grid; place-items: center;
    transition: all .12s ease;
  }
  .tips-nav-btn:hover { opacity: 1; background: rgba(176,136,80,0.1); }

  .warn-banner {
    margin-top: 10px;
    padding: 8px 10px;
    background: var(--warn-soft);
    border: 1px solid rgba(192,57,43,0.2);
    border-radius: 5px;
    font-size: 11px;
    color: var(--warn);
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: 6px;
  }
  .warn-banner svg { width: 12px; height: 12px; flex-shrink: 0; margin-top: 1px; }

  /* Custom scrollbar */
  ::-webkit-scrollbar { width: 10px; height: 10px; }
  ::-webkit-scrollbar-track { background: transparent; }
  ::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.1);
    border-radius: 5px;
    border: 2px solid var(--bg);
  }
  ::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.2); }
  .sidebar::-webkit-scrollbar-thumb,
  .inspector::-webkit-scrollbar-thumb { border-color: var(--surface); }

  /* Modal */
  .modal-backdrop {
    position: fixed; inset: 0;
    background: rgba(20,18,15,0.5);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
  }
  .modal-backdrop.visible { display: flex; }
  .modal {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 28px;
    max-width: 520px;
    width: 90%;
    box-shadow: var(--shadow-lg);
    max-height: 80vh;
    display: flex;
    flex-direction: column;
  }
  .modal-title { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
  .modal-desc { font-size: 13px; color: var(--text-2); margin-bottom: 18px; line-height: 1.6; }

  /* スコープC：使い方ヘルプを 10 セクションの折りたたみアコーディオンに。
     旧版は strong + ul を縦に並べた長文。スクロールが疲れるので <details> で畳む。 */
  .modal-desc.help-accordion { margin-bottom: 6px; }
  .help-intro {
    margin: 0 0 14px;
    color: var(--text-2);
    font-size: 13px;
    line-height: 1.7;
  }
  .help-section {
    border-top: 1px solid var(--border);
    padding: 2px 0;
  }
  .help-section:last-of-type { border-bottom: 1px solid var(--border); }
  .help-section > summary {
    cursor: pointer;
    list-style: none;
    padding: 10px 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: color .12s ease;
  }
  .help-section > summary::-webkit-details-marker { display: none; }
  .help-section > summary::before {
    content: '▸';
    font-size: 11px;
    color: var(--text-3);
    transition: transform .15s ease;
    flex-shrink: 0;
  }
  .help-section[open] > summary::before { transform: rotate(90deg); color: var(--accent); }
  .help-section > summary:hover { color: var(--accent); }
  .help-section > ul {
    margin: 0 0 12px;
    padding-left: 26px;
    line-height: 1.8;
    color: var(--text-2);
    font-size: 12.5px;
  }
  .help-section > ul li { margin-bottom: 4px; }
  .help-section > ul li strong { color: var(--text); font-weight: 600; }
  .modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }
  .modal-body { overflow-y: auto; }

  /* 書き出し前の事前警告モーダル */
  .preflight-list {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    padding: 4px 12px;
  }
  .preflight-page-block {
    padding: 10px 0;
    border-bottom: 1px dashed var(--border);
  }
  .preflight-page-block:last-child { border-bottom: none; }
  .preflight-page-head {
    display: block;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
    cursor: pointer;
    font-size: 13px;
    padding: 2px 0;
  }
  .preflight-page-head:hover { color: var(--accent); text-decoration: underline; }
  .preflight-issue-list {
    margin: 6px 0 0 0;
    padding-left: 18px;
    color: var(--text-2);
    font-size: 12.5px;
    line-height: 1.6;
  }
  .preflight-issue-list li { padding: 2px 0; }
  .preflight-issue-list li .preflight-issue-kind {
    display: inline-block;
    margin-right: 6px;
    padding: 0 6px;
    border-radius: 3px;
    font-size: 10.5px;
    background: var(--accent-soft);
    color: var(--text-2);
    letter-spacing: 0.04em;
    vertical-align: middle;
  }

  .modal-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--surface);
    transition: all .15s ease;
  }

  /* Export options: print-ready checkboxes */
  .export-check-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .export-check {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text);
    padding: 6px 0;
    line-height: 1.5;
  }
  .export-check input[type="checkbox"] {
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--accent);
  }
  .export-check small { color: var(--text-3); font-size: 10px; margin-left: 4px; }
  .export-check.disabled { color: var(--text-3); cursor: default; }
  .export-check-children {
    padding-left: 22px;
    border-left: 2px solid var(--border);
    margin-left: 4px;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  /* Trim modal */
  .trim-modal-content {
    display: grid;
    grid-template-columns: 1fr 240px;
    gap: 24px;
    align-items: start;
  }
  @media (max-width: 720px) {
    .trim-modal-content { grid-template-columns: 1fr; }
  }
  .trim-stage {
    background: repeating-conic-gradient(#222 0% 25%, #2a2a2a 25% 50%) 50% / 14px 14px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
    user-select: none;
    cursor: grab;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 360px;
    max-height: 540px;
    padding: 16px;
  }
  .trim-stage.dragging { cursor: grabbing; }
  .trim-frame {
    position: relative;
    background: #111;
    overflow: hidden;
    box-shadow: 0 0 0 1px rgba(255,255,255,0.1), 0 0 0 9999px rgba(0,0,0,0.5);
  }
  .trim-frame-inner {
    position: absolute;
    inset: 0;
    background-repeat: no-repeat;
    transition: none;
  }
  .trim-controls {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .trim-slider-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .trim-slider-row .trim-row-top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
  }
  .trim-slider-row label {
    font-size: 11px;
    color: var(--text-2);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
  }
  .trim-slider-row input[type="range"] {
    width: 100%;
    accent-color: var(--accent);
  }
  .trim-slider-row .trim-val {
    font-size: 11px;
    color: var(--text);
    font-variant-numeric: tabular-nums;
    font-weight: 600;
  }
  .trim-hint {
    font-size: 11px;
    color: var(--text-3);
    line-height: 1.5;
    padding: 10px 12px;
    background: var(--surface-2);
    border-radius: var(--radius-sm);
  }
  .trim-meta {
    font-size: 11px;
    color: var(--text-3);
    padding-top: 8px;
    border-top: 1px solid var(--border);
  }
  .modal-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(31,41,55,0.06);
  }

  .project-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .project-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all .15s ease;
    cursor: pointer;
  }
  .project-item:hover {
    border-color: var(--accent);
    background: var(--surface-2);
  }
  .project-item-info { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
  .project-item-name { font-size: 13px; font-weight: 600; color: var(--text); }
  .project-item-meta { font-size: 11px; color: var(--text-3); }
  .project-item-actions { display: flex; gap: 4px; }
  .project-empty {
    padding: 32px 16px;
    text-align: center;
    color: var(--text-3);
    font-size: 12px;
  }

  .toast {
    position: fixed;
    bottom: 24px; left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text);
    color: #fff;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-size: 13px;
    box-shadow: var(--shadow-lg);
    transition: transform .3s ease;
    z-index: 2000;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .toast.visible { transform: translateX(-50%) translateY(0); }

  /* Subtle save indicator (bottom-left, less attention than main toast) */
  .save-toast {
    position: fixed;
    bottom: 24px; left: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-2);
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    box-shadow: var(--shadow-md);
    transform: translateX(-20px);
    opacity: 0;
    transition: opacity .25s ease, transform .25s ease;
    z-index: 1500;
    display: flex;
    align-items: center;
    gap: 6px;
    pointer-events: none;
    max-width: 260px;
  }
  .save-toast.visible { opacity: 1; transform: translateX(0); }
  .save-toast svg { color: var(--ok); flex-shrink: 0; }

  .kbd {
    display: inline-block;
    padding: 1px 5px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 3px;
    font-size: 10px;
    font-family: monospace;
    color: var(--text-2);
  }

  /* ===================== Print Export (window.print() 方式) =====================
     画面表示時は #print-root を完全に隠す。書き出し開始時に body.printing を付与し、
     印刷専用DOMを #print-root に注入 → window.print() → afterprint で復元。
     @page ルールは <style id="print-page-rule"> に JS から一本だけ注入する
     （静的に置いておくと Chrome の @page マージ挙動が不安定になり A5 に化けるため）。*/
  @media screen {
    #print-root { display: none; }
  }
  @media print {
    html, body {
      margin: 0 !important;
      padding: 0 !important;
      background: #ffffff !important;
    }
    body.printing > *:not(#print-root) { display: none !important; }
    #print-root { display: block; }
    .print-page {
      position: relative;
      overflow: hidden;
      background: #ffffff;
      page-break-after: always;
      break-after: page;
      page-break-inside: avoid;
      break-inside: avoid;
    }
    .print-page:last-child {
      page-break-after: auto;
      break-after: auto;
    }
    .print-spread {
      display: flex;
      flex-direction: row;
    }
    .print-canvas {
      position: relative;
      box-sizing: border-box;
      overflow: hidden;
      background: #ffffff;
    }
    .print-canvas.vertical .print-el-body,
    .print-canvas.vertical .print-el-heading {
      writing-mode: vertical-rl;
      -webkit-writing-mode: vertical-rl;
      text-orientation: mixed;
      -webkit-text-orientation: mixed;
    }
    .print-el {
      position: absolute;
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      word-break: break-word;
      white-space: pre-wrap;
    }
    .print-el-image {
      background-repeat: no-repeat;
      -webkit-print-color-adjust: exact;
      print-color-adjust: exact;
    }
    .print-el-image-empty {
      background: #efece6;
      border: 1px solid #d6d3cd;
      -webkit-print-color-adjust: exact;
      print-color-adjust: exact;
    }
    /* Contact sheet (A4 landscape) */
    .contact-sheet {
      display: flex;
      flex-direction: column;
    }
    .contact-sheet-title {
      flex: 0 0 auto;
      font-family: 'Inter','Noto Sans JP',sans-serif;
      color: #1a1916;
    }
    .contact-sheet-title h1 { margin: 0; font-weight: 700; }
    .contact-sheet-title span { color: #57544e; }
    .contact-grid {
      flex: 1 1 auto;
      display: grid;
      gap: 0;
    }
    .contact-cell {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
    }
    .contact-thumb-wrap {
      position: relative;
      background: #ffffff;
      border: 1px solid #d6d3cd;
      overflow: hidden;
      flex: 0 0 auto;
    }
    .contact-thumb-wrap .print-canvas {
      transform-origin: top left;
    }
    .contact-cell-label {
      font-family: 'Inter',sans-serif;
      color: #908b82;
      text-align: center;
    }
  }