/* ============================================================
   レンタル管理システム スタイル定義
   ※ index.html から分離したもの。内容は変更していません。
   ============================================================ */

  /* システムフォントを使用 */

  :root {
    --bg: #f0f4f8;
    --surface: #ffffff;
    --surface2: #f5f7fa;
    --border: #dde3ec;
    --accent: #1a7f5a;
    --accent-light: #e6f4ef;
    --accent2: #d97706;
    --danger: #dc2626;
    --text: #0f172a;
    --text-dim: #4a5a7a;
    --text-muted: #94a3b8;
    --in: #1a7f5a;
    --out: #d97706;
    --radius: 12px;
    --radius-sm: 8px;
  }

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

  body {
    font-family: 'Noto Sans JP', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: clip;
  }

  header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 6px rgba(0,0,0,0.06);
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
  }

  .logo {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', sans-serif;
    font-weight: 800;
    font-size: 20px;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .logo-dot {
    width: 10px; height: 10px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(26,127,90,0.4);
    animation: pulse 2s infinite;
  }

  @keyframes pulse {
    0%,100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.8); }
  }

  .header-stats { display: flex; gap: 24px; font-family: 'Consolas', 'Menlo', monospace; font-size: 12px; }
  .hstat { display: flex; align-items: center; gap: 6px; color: var(--text-dim); }
  .hstat-val { color: var(--text); font-weight: 500; font-size: 14px; }

  nav {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 40px;
    display: flex;
    gap: 4px;
  }

  .nav-btn {
    padding: 14px 20px;
    background: none;
    border: none;
    color: var(--text-dim);
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 7px;
    white-space: nowrap;
  }

  .nav-btn:hover { color: var(--text); background: var(--surface2); }
  .nav-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

  main { padding: 28px 40px; max-width: 1400px; width: 100%; margin: 0 auto; }

  .page { display: none; animation: fadeIn 0.3s ease; }
  .page.active { display: block; }

  @keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

  .kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 28px; }

  .kpi {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    position: relative;
    overflow: hidden;
  }

  .kpi::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--kpi-color, var(--accent));
  }

  .kpi-label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
  .kpi-value { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', sans-serif; font-size: 36px; font-weight: 800; line-height: 1; }
  .kpi-sub { font-size: 11px; color: var(--text-dim); margin-top: 6px; font-family: 'Consolas', 'Menlo', monospace; }
  .kpi-icon { position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 32px; opacity: 0.1; }

  .section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
  .section-title { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', sans-serif; font-size: 16px; font-weight: 700; }

  .table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: 0 1px 4px rgba(0,0,0,0.04); }
  table { width: 100%; border-collapse: collapse; border-spacing: 0; }
  thead { background: var(--surface2); }
  th { padding: 12px 16px; text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim); font-family: 'Consolas', 'Menlo', monospace; font-weight: 500; }
  td { padding: 12px 16px; border-top: 1px solid var(--border); font-size: 13px; }
  tr:hover td { background: #f8fafc; }
  .recent-log-row:hover td { background: var(--accent-light) !important; }

  .badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; font-family: 'Consolas', 'Menlo', monospace; letter-spacing: 0.5px; }
  .badge-out { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
  .badge-in { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
  .badge-available { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
  .badge-rented { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
  .badge-maintenance { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

  .btn { display: inline-flex; align-items: center; gap: 7px; padding: 9px 18px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; font-family: 'Noto Sans JP', sans-serif; cursor: pointer; border: none; transition: all 0.15s; }
  .btn-primary { background: var(--accent); color: #ffffff; }
  .btn-primary:hover { background: #15694a; transform: translateY(-1px); }
  .btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
  .btn-secondary:hover { background: #e8edf5; }
  .btn-danger { background: #fee2e2; color: var(--danger); border: 1px solid #fca5a5; }
  .btn-danger:hover { background: #fecaca; }
  .btn-sm { padding: 6px 12px; font-size: 12px; }

  .form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .field { display: flex; flex-direction: column; gap: 6px; }
  label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.8px; font-weight: 500; }
  /* 狭い列に長いラベルが入っても入力枠を押し広げないよう、折り返しを許可する
     （日本語ラベルでは文字間隔が余分な幅を生むため、グリッド内では詰める） */
  .form-grid label, .field label { letter-spacing: 0.2px; word-break: break-word; line-height: 1.35; }

  input, select, textarea {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--text);
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 13px;
    outline: none;
    /* 幅指定がないとグリッド・フレックス内で内容幅になり、親枠からはみ出すため */
    width: 100%;
    min-width: 0;
    max-width: 100%;
    transition: border-color 0.2s, box-shadow 0.2s;
  }
  /* チェックボックス・ラジオは幅100%にすると崩れるため除外 */
  input[type="checkbox"], input[type="radio"] {
    width: auto;
    min-width: auto;
  }

  input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(26,127,90,0.1); }
  select option { background: #ffffff; }

  .card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: 0 1px 4px rgba(0,0,0,0.04); }
  .card-title { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', sans-serif; font-size: 15px; font-weight: 700; margin-bottom: 20px; padding-bottom: 14px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 8px; }

  .modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 200; align-items: center; justify-content: center; backdrop-filter: blur(4px); }
  .modal-overlay.open { display: flex; }

  .modal { background: var(--surface); border: 1px solid var(--border); box-shadow: 0 8px 40px rgba(0,0,0,0.12); border-radius: var(--radius); padding: 28px; width: 520px; max-width: 92vw; max-height: 90vh; overflow-y: auto; animation: modalIn 0.25s ease; }

  @keyframes modalIn { from { opacity: 0; transform: scale(0.95) translateY(-10px); } to { opacity: 1; transform: none; } }

  .modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
  .modal-title { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', sans-serif; font-size: 18px; font-weight: 700; }
  .modal-close { background: none; border: none; color: var(--text-dim); font-size: 20px; cursor: pointer; padding: 4px; line-height: 1; }
  .modal-close:hover { color: var(--text); }

  .scan-area { background: #f8fafc; border: 2px dashed var(--border); border-radius: var(--radius); padding: 40px; text-align: center; transition: border-color 0.2s, background 0.2s; cursor: pointer; }
  .scan-area:hover { border-color: var(--accent); background: var(--accent-light); }
  .scan-area.scanning { border-color: var(--accent); background: var(--accent-light); animation: scanPulse 1.5s infinite; }
  @keyframes scanPulse { 0%,100% { box-shadow: 0 0 0 0 rgba(79,209,165,0.3); } 50% { box-shadow: 0 0 0 12px rgba(79,209,165,0); } }
  .scan-icon { font-size: 48px; margin-bottom: 12px; display: block; }

  .qr-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; margin-top: 20px; }
  .qr-item { background: #f8fafc; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 16px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 10px; }
  .qr-item-name { font-size: 12px; font-weight: 600; }
  .qr-item-id { font-family: 'Consolas', 'Menlo', monospace; font-size: 10px; color: var(--text-dim); }

  .inv-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
  /* ===== テキスト選択カーソルの制御 =====
     方針：既定で全体を「選択不可・通常カーソル」にし、選択したい箇所だけ個別に許可する。
     クラス名を列挙して個別に塞ぐ方式では、クラスの無い要素や新規追加箇所が漏れるため、
     漏れが原理的に発生しない「全体禁止＋例外許可」方式を採用している。 */
  body {
    user-select: none;
    -webkit-user-select: none;
    cursor: default;
  }

  /* 例外①：入力欄は文字を打つ場所なので、テキストカーソルと選択を有効にする */
  input, textarea {
    cursor: text;
    user-select: text;
    -webkit-user-select: text;
  }
  /* 例外②：コピーする機会があるデータのみ選択可能にする
     （表の中身はコピー運用がないため選択不可のままにし、誤選択を防ぐ） */
  code, pre, #contract-preview, .suggest-item {
    user-select: text;
    -webkit-user-select: text;
    cursor: auto;
  }
  /* 詳細モーダルの値（シリアル番号・管理番号・アイテムIDなど）はコピーする機会が多いため選択可能にする。
     項目名（.detail-key）は操作対象ではないので選択不可のまま残す。 */
  .detail-row > span:not(.detail-key), .detail-row > div:not(.detail-key) {
    user-select: text;
    -webkit-user-select: text;
    cursor: auto;
  }
  .detail-row > .detail-key { user-select: none; -webkit-user-select: none; cursor: default; }
  /* ステータスバッジは表示専用のラベルなのでコピー対象外
     （値の選択許可ルールより詳細度を高くして確実に打ち消す） */
  .detail-row > span.badge, .detail-row > div.badge {
    user-select: none; -webkit-user-select: none; cursor: default;
  }

  /* クリックできる要素は指カーソルを表示する */
  button, .btn, .nav-btn, .snav-btn, .tab-btn, select, label[for],
  .modal-close, .accessory-check, .inv-card, .customer-card, a,
  [onclick], [role="button"] {
    cursor: pointer;
  }
  /* ただし入力欄そのものは常にテキストカーソル（上のonclick等より優先させる） */
  input[type="text"], input[type="date"], input[type="month"], input[type="number"],
  input[type="password"], input[type="search"], input[type="tel"], input[type="email"], textarea {
    cursor: text;
  }
  /* チェックボックス・ラジオは指カーソル */
  input[type="checkbox"], input[type="radio"] { cursor: pointer; }


  .inv-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; transition: border-color 0.2s, transform 0.2s; cursor: pointer; }
  /* カードはクリックで詳細を開くため、内部のテキストにもポインタを表示する */
  .inv-card * { cursor: pointer; }

  .inv-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 4px 16px rgba(26,127,90,0.1); }
  .inv-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
  .inv-card-name { font-weight: 700; font-size: 14px; }
  .inv-card-id { font-family: 'Consolas', 'Menlo', monospace; font-size: 10px; color: var(--text-dim); margin-top: 2px; }
  .inv-card-model { font-family: 'Consolas', 'Menlo', monospace; font-size: 11px; color: var(--accent); margin-bottom: 4px; }
  .inv-card-cat { font-size: 11px; color: var(--text-dim); margin-bottom: 8px; }
  .inv-card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }

  .search-bar { display: flex; gap: 12px; margin-bottom: 20px; align-items: center; }
  /* 検索欄は残り幅いっぱいに伸ばす（input全体のwidth:100%指定を上書き） */
  .search-bar input { flex: 1 1 auto; width: auto; min-width: 200px; }
  /* プルダウン・ボタンは内容に応じた幅を保ち、伸縮させない */
  .search-bar select { flex: 0 0 auto; width: auto; }
  .search-bar .btn { flex: 0 0 auto; white-space: nowrap; }

  .report-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .chart-bar-wrap { margin-top: 16px; }
  .chart-bar-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
  .chart-bar-label { font-size: 12px; color: var(--text-dim); width: 120px; flex-shrink: 0; }
  .chart-bar-track { flex: 1; height: 8px; background: #e8edf5; border-radius: 4px; overflow: hidden; }
  .chart-bar-fill { height: 100%; border-radius: 4px; background: var(--accent); transition: width 0.8s ease; }
  .chart-bar-val { font-family: 'Consolas', 'Menlo', monospace; font-size: 11px; color: var(--text-dim); width: 40px; text-align: right; }

  .timeline { margin-top: 16px; }
  .timeline-item { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 12px; }
  .timeline-dot { width: 8px; height: 8px; border-radius: 50%; margin-top: 3px; flex-shrink: 0; }
  .timeline-time { color: var(--text-dim); font-family: 'Consolas', 'Menlo', monospace; white-space: nowrap; }

  .toast-wrap { position: fixed; bottom: 24px; right: 24px; z-index: 999; display: flex; flex-direction: column; gap: 8px; }

  /* 取り消しポップアップ */
  .undo-popup {
    position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
    background: #1a2236; color: #fff;
    border-radius: var(--radius); padding: 14px 20px;
    display: flex; align-items: center; gap: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
    z-index: 1000; min-width: 320px; max-width: 90vw;
    animation: toastIn 0.3s ease;
  }
  .undo-popup-msg { flex: 1; font-size: 13px; }
  .undo-popup-timer {
    width: 32px; height: 32px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700; color: #fff;
    background: conic-gradient(rgba(255,255,255,0.2) 0%, var(--accent) 0%);
    flex-shrink: 0;
  }
  .undo-popup-btn {
    background: var(--accent); color: #fff;
    border: none; border-radius: var(--radius-sm);
    padding: 7px 14px; font-size: 13px; font-weight: 600;
    cursor: pointer; white-space: nowrap; flex-shrink: 0;
  }
  #contract-popup { bottom: 90px; background: var(--accent); }
  .toast { background: #ffffff; border: 1px solid var(--border); box-shadow: 0 4px 16px rgba(0,0,0,0.1); border-radius: var(--radius-sm); padding: 12px 18px; font-size: 13px; min-width: 200px; max-width: 90vw; animation: toastIn 0.3s ease; display: flex; align-items: center; gap: 10px; }
  .toast.success { border-left: 3px solid var(--accent); }
  .toast.error { border-left: 3px solid var(--danger); }
  .toast.info { border-left: 3px solid var(--accent2); }
  @keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: none; } }

  .detail-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
  .detail-key { color: var(--text-dim); }

  .two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  /* 入出庫タブ：右カラム（入出庫ログ）を左カラムの高さに合わせ、
     はみ出したログはログ内でスクロールさせる */
  #page-inout .two-col > div:last-child { min-height: 0; }
  #page-inout .two-col > div:last-child > .card { height: 100%; }
  .divider { height: 1px; background: var(--border); margin: 20px 0; }

  /* ===== SETTINGS ===== */
  .settings-layout { display: grid; grid-template-columns: 210px 1fr; gap: 24px; }

  .settings-nav { display: flex; flex-direction: column; gap: 4px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; height: fit-content; box-shadow: 0 1px 4px rgba(0,0,0,0.04); }

  .snav-btn {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px; background: none; border: none; border-radius: var(--radius-sm);
    color: var(--text-dim); font-family: 'Noto Sans JP', sans-serif; font-size: 13px;
    cursor: pointer; text-align: left; transition: all 0.15s; width: 100%;
  }
  .snav-btn:hover { background: var(--surface2); color: var(--text); }
  .snav-btn.active { background: var(--accent-light); color: var(--accent); font-weight: 600; }

  .settings-panel { display: none; }
  .settings-panel.active { display: block; }

  .tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
  .tag { display: inline-flex; align-items: center; gap: 6px; background: #f0f4f8; border: 1px solid var(--border); border-radius: 20px; padding: 5px 12px; font-size: 12px; }
  .tag-del { background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 15px; line-height: 1; padding: 0; }
  .tag-del:hover { color: var(--danger); }

  .staff-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin-top: 16px; }
  .staff-card { background: #f8fafc; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px 16px; display: flex; align-items: center; gap: 10px; }
  .staff-avatar { width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent2)); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; color: #0d0f14; flex-shrink: 0; }
  .staff-name { font-size: 13px; font-weight: 600; flex: 1; }
  .staff-role { font-size: 10px; color: var(--text-dim); }

  .inline-add { display: flex; gap: 8px; margin-top: 12px; }
  .inline-add input { flex: 1; }

  .model-preview { background: var(--accent-light); border: 1px solid #a7f3d0; border-radius: var(--radius-sm); padding: 12px 18px; font-family: 'Consolas', 'Menlo', monospace; font-size: 15px; color: var(--accent); margin-top: 12px; letter-spacing: 2px; }

  /* ===== CUSTOMERS ===== */
  .customer-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }

  .customer-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    cursor: pointer;
    transition: border-color 0.2s, transform 0.15s, box-shadow 0.2s;
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .customer-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 4px 16px rgba(26,127,90,0.1); }

  .customer-avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #e6f4ef, #d1fae5);
    border: 2px solid #a7f3d0;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 700; color: var(--accent);
    flex-shrink: 0;
  }

  .customer-info { flex: 1; min-width: 0; }
  .customer-name { font-weight: 700; font-size: 14px; margin-bottom: 3px; }
  .customer-meta { font-size: 11px; color: var(--text-dim); display: flex; gap: 12px; flex-wrap: wrap; }
  .customer-stats { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; flex-shrink: 0; }
  .customer-stat-val { font-family: 'Consolas', 'Menlo', monospace; font-size: 16px; font-weight: 700; color: var(--accent); line-height: 1; }
  .customer-stat-label { font-size: 10px; color: var(--text-dim); }

  .badge-active { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
  .badge-inactive { background: #f5f7fa; color: var(--text-dim); border: 1px solid var(--border); }

  /* Suggest dropdown */
  .suggest-wrap { position: relative; width: 100%; }
  .suggest-list {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    z-index: 50;
    max-height: 200px;
    overflow-y: auto;
    display: none;
  }
  .suggest-list.open { display: block; }
  .suggest-item {
    padding: 10px 14px;
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border);
  }
  .suggest-item:last-child { border-bottom: none; }
  .suggest-item:hover { background: var(--accent-light); }
  .suggest-new { color: var(--accent); font-weight: 600; }

  @media print {
    body { background: white; color: black; }
    header, nav, .no-print { display: none !important; }
    .qr-item { background: white; border: 1px solid #ddd; break-inside: avoid; }
    .qr-item-name, .qr-item-id { color: black; }
  }

  /* ===== RESPONSIVE ===== */
  @media (max-width: 768px) {

    /* ヘッダー */
    header {
      padding: 0 16px;
      height: auto;
      min-height: 56px;
      flex-wrap: wrap;
      gap: 8px;
      padding-top: 10px;
      padding-bottom: 10px;
    }
    .header-stats { display: none; }
    .user-btn { padding: 5px 10px; font-size: 12px; }

    /* ナビ：横スクロール */
    nav {
      padding: 0 8px;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
      flex-wrap: nowrap;
      gap: 0;
    }
    nav::-webkit-scrollbar { display: none; }
    .nav-btn {
      padding: 12px 12px;
      font-size: 12px;
      white-space: nowrap;
      flex-shrink: 0;
    }

    /* メイン */
    main { padding: 12px; overflow-x: hidden; width: 100%; }

    /* 全ページのコンテンツ幅を画面内に収める */
    .page { width: 100%; max-width: 100%; overflow-x: hidden; box-sizing: border-box; }

    /* カード・セクション幅を画面内に収める */
    .card, .table-wrap, .inv-grid, .customer-grid, .kpi-grid,
    .two-col, .report-grid, .settings-layout, .search-bar {
      max-width: 100%;
      box-sizing: border-box;
    }

    /* KPIグリッド：2列 */
    .kpi-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .kpi-value { font-size: 28px; }

    /* ダッシュボード：凡例を縦並びに */
    .section-header { flex-wrap: wrap; gap: 8px; }
    .section-header > div:last-child { flex-direction: column; align-items: flex-start !important; gap: 4px !important; }
    #cat-chart .chart-bar-label { width: 80px; font-size: 11px; }
    #cat-chart .chart-bar-row { gap: 8px; }

    /* 入出庫：返却ステータス・幅調整 */
    #io-return-status-field > div { flex-direction: column; }
    #page-inout .two-col > div { min-width: 0; width: 100%; }
    /* モバイルは縦並びになるため、ログの高さ固定を解除して内容の分だけ表示する */
    #page-inout .two-col > div:last-child > .card { height: auto; }
    #page-inout .two-col > div:last-child .table-wrap { max-height: 400px; }

    /* レポート：全体幅を制限 */
    #page-report .report-grid { width: 100%; }
    #page-report .card { width: 100%; min-width: 0; }
    .chart-bar-row { min-width: 0; }
    .chart-bar-label { width: 80px; font-size: 11px; flex-shrink: 0; }
    .chart-bar-val { width: 28px; flex-shrink: 0; }
    .two-col { grid-template-columns: 1fr; gap: 16px; }
    .form-grid { grid-template-columns: 1fr; }
    .report-grid { grid-template-columns: 1fr; }

    /* 設定レイアウト */
    .settings-layout { grid-template-columns: 1fr; gap: 16px; }
    .settings-nav {
      flex-direction: row;
      flex-wrap: wrap;
      gap: 6px;
      padding: 10px;
    }
    .snav-btn { width: auto; padding: 7px 12px; font-size: 12px; }

    /* テーブル：横スクロール（テーブル自体はmin-widthなし） */
    .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; }
    table { width: 100%; min-width: 0; }
    th, td { padding: 8px 10px; font-size: 12px; white-space: nowrap; }

    /* カード */
    .card { padding: 16px; }
    .inv-grid { grid-template-columns: 1fr; }
    .customer-grid { grid-template-columns: 1fr; }

    /* 在庫一覧：検索バーを縦積みに */
    .search-bar { flex-wrap: wrap; gap: 8px; }
    .search-bar input { width: 100%; min-width: 0; flex: none; }
    .search-bar select { flex: 1; min-width: 0; }
    .search-bar .btn { width: 100%; justify-content: center; }

    /* 入出庫フォーム */
    .scan-area { padding: 24px 16px; }
    #io-return-status-field > div { flex-direction: column; }

    /* QRコード：アイコンと生成ボタン行を縦積みに */
    .qr-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
    .qr-item { padding: 10px; gap: 6px; }
    .qr-item-name { font-size: 11px; word-break: break-all; }
    #page-qr .card > div:first-of-type { flex-wrap: wrap; }
    #page-qr .card > div:first-of-type input { width: 100%; }
    #page-qr .card > div:first-of-type .btn { flex: 1; justify-content: center; }

    /* レポート：チャートラベル幅を縮小 */
    .chart-bar-label { width: 80px; font-size: 11px; }
    .chart-bar-val { width: 28px; }

    /* モーダル */
    .modal { padding: 20px 16px; width: 100% !important; max-width: 100vw; }

    /* ログイン */
    .login-box { padding: 28px 20px; }
  }

  @media (max-width: 480px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .kpi { padding: 14px 16px; }
    .kpi-value { font-size: 24px; }
    .kpi-icon { font-size: 24px; }
    .logo { font-size: 17px; }
    main { padding: 10px; }
  }

  /* ===== 付属品チェックボックス ===== */
  .accessory-wrap { background: var(--surface2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 14px; }
  .accessory-title { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.8px; font-weight: 500; margin-bottom: 10px; }
  .accessory-checks { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 10px; }
  .accessory-check { display: flex; align-items: center; gap: 6px; cursor: pointer; font-size: 13px; padding: 6px 12px; background: var(--surface); border: 1px solid var(--border); border-radius: 20px; transition: all 0.15s; user-select: none; }
  .accessory-check:hover { border-color: var(--accent); }
  .accessory-check input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; cursor: pointer; }
  .accessory-check.checked { background: var(--accent-light); border-color: var(--accent); color: var(--accent); font-weight: 600; }
  .accessory-other { display: flex; align-items: center; gap: 8px; margin-top: 6px; font-size: 12px; color: var(--text-dim); }
  .accessory-other input { flex: 1; font-size: 12px; padding: 6px 10px; }

  /* ===== CAMERA SCAN ===== */
  #scan-video { transform: none; }
  .scan-success { border-color: var(--accent) !important; animation: scanSuccess 0.5s ease; }
  @keyframes scanSuccess {
    0% { box-shadow: 0 0 0 9999px rgba(0,0,0,0.4); }
    50% { box-shadow: 0 0 0 9999px rgba(26,127,90,0.3); }
    100% { box-shadow: 0 0 0 9999px rgba(0,0,0,0.4); }
  }

  /* ===== LOGIN ===== */
  #login-screen {
    position: fixed; inset: 0;
    background: var(--bg);
    z-index: 10000;
    display: flex; align-items: center; justify-content: center;
  }
  .login-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 48px;
    width: 400px; max-width: 92vw;
    box-shadow: 0 8px 40px rgba(0,0,0,0.1);
  }
  .login-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; margin-bottom: 8px; }
  .login-sub { font-size: 13px; color: var(--text-dim); margin-bottom: 32px; }
  .login-err { background: #fee2e2; border: 1px solid #fca5a5; border-radius: var(--radius-sm); padding: 10px 14px; font-size: 13px; color: var(--danger); margin-bottom: 16px; display: none; }
  .login-err.show { display: block; }

  /* ユーザーメニュー */
  .user-menu-wrap { position: relative; }
  .user-btn {
    display: flex; align-items: center; gap: 8px;
    background: var(--surface2); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 6px 14px;
    cursor: pointer; font-size: 13px; color: var(--text);
    font-family: 'Noto Sans JP', sans-serif;
  }
  .user-btn:hover { background: #e8edf5; }
  .user-dropdown {
    position: absolute; top: calc(100% + 6px); right: 0;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-sm); box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    min-width: 180px; z-index: 200; display: none;
  }
  .user-dropdown.open { display: block; }
  .user-dropdown-item {
    padding: 10px 16px; font-size: 13px; cursor: pointer;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 8px;
  }
  .user-dropdown-item:last-child { border-bottom: none; }
  .user-dropdown-item:hover { background: var(--surface2); }
  .user-dropdown-item.danger { color: var(--danger); }
  /* ===== モバイル補強 ===== */
  .table-wrap { -webkit-overflow-scrolling: touch; }
  @media (max-width: 768px) {
    /* テーブルは列を潰さず横スクロールで見せる */
    .table-wrap { overflow-x: auto; }
    .table-wrap table { min-width: 560px; }
    #billing-result { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    /* タップしやすいボタンサイズを確保 */
    .btn-sm { min-height: 38px; }
    .btn { min-height: 42px; }
  }