/* ZUDIA 案件管理 — 全画面共通の部品（T5）
   色は tokens.css の var(--token) だけを使う（直書き禁止）。ダークは tokens.css の定義に任せる。
   書体: 本文 var(--font-sans)（Noto Sans JP）、英字・ZUDIA は var(--font-display)（Nunito Sans 600）。
   クラス名の一覧と使い方は hub/packets/T5.report.md。 */

/* ---------- 基本 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.85;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
h1, h2, h3 { font-family: var(--font-heading); color: var(--ink); line-height: 1.4; margin: 0; }
h1 { font-size: clamp(22px, 3vw, 28px); font-weight: 700; }
h2 { font-size: 19px; font-weight: 700; }
h3 { font-size: 16px; font-weight: 600; }
p { margin: 0 0 .6em; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
img { max-width: 100%; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--hot-2); outline-offset: 2px; }
.num, time, .tabular { font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-soft); }
.faint { color: var(--ink-faint); }
.small { font-size: 13px; }
.nowrap { white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pre-wrap { white-space: pre-wrap; overflow-wrap: anywhere; }
.empty { color: var(--ink-faint); font-size: 14px; padding: 12px 0; margin: 0; }

/* ---------- 強調帯（ブランドのグラデーションはここだけ） ---------- */
.accent-band { height: 3px; background: var(--brand-gradient); }

/* ---------- ヘッダー ---------- */
.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.app-header-inner {
  max-width: 1440px; margin: 0 auto; padding: 0 16px;
  display: flex; align-items: center; gap: 24px; min-height: 60px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); flex-shrink: 0; }
.brand-mark { width: 30px; height: auto; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: 19px; letter-spacing: .04em; }
.brand-tag { font-family: var(--font-display); font-weight: 600; font-size: 9.5px; letter-spacing: .22em; color: var(--ink-soft); }
.brand-app { font-family: var(--font-heading); font-weight: 500; font-size: 13px; color: var(--ink-soft); padding-left: 10px; border-left: 1px solid var(--line); }

.nav { display: flex; gap: 4px; align-items: stretch; flex: 1; }
.nav a {
  display: flex; align-items: center; padding: 0 12px; min-height: 60px;
  color: var(--ink-soft); text-decoration: none; font-size: 14px; font-weight: 500;
  border-bottom: 3px solid transparent; border-top: 3px solid transparent;
}
.nav a:hover { color: var(--ink); }
.nav a.is-current { color: var(--ink); border-bottom-color: var(--accent); }

.header-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.alert-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--crit-bg); color: var(--crit);
  border-radius: 999px; padding: 2px 10px; font-size: 13px; font-weight: 700; text-decoration: none;
  font-variant-numeric: tabular-nums;
}
.alert-badge:hover { text-decoration: underline; }

.user-menu { position: relative; }
.user-menu > summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; gap: 8px;
  padding: 4px 8px; border-radius: 6px; font-size: 14px; color: var(--ink);
}
.user-menu > summary::-webkit-details-marker { display: none; }
.user-menu > summary::after { content: ""; width: 6px; height: 6px; border-right: 1.5px solid var(--ink-soft); border-bottom: 1.5px solid var(--ink-soft); transform: rotate(45deg) translateY(-2px); }
.user-menu > summary:hover { background: var(--accent-soft); }
.user-menu-panel {
  position: absolute; right: 0; top: calc(100% + 6px); min-width: 180px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 6px;
  box-shadow: 0 8px 24px color-mix(in srgb, var(--ink) 12%, transparent);
}
.user-menu-panel a, .user-menu-panel button {
  display: block; width: 100%; text-align: left; padding: 8px 10px; border-radius: 6px;
  font: inherit; font-size: 14px; color: var(--ink); background: none; border: 0; text-decoration: none; cursor: pointer;
}
.user-menu-panel a:hover, .user-menu-panel button:hover { background: var(--accent-soft); }
.user-menu-role { padding: 4px 10px 8px; font-size: 12.5px; color: var(--ink-faint); border-bottom: 1px solid var(--line); margin-bottom: 4px; }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--line); border-radius: 6px;
  width: 40px; height: 36px; cursor: pointer; color: var(--ink); padding: 0;
}
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
  display: block; width: 18px; height: 2px; background: currentColor; margin: 0 auto; position: relative; content: "";
}
.nav-toggle-bar::before { position: absolute; top: -6px; }
.nav-toggle-bar::after { position: absolute; top: 6px; }

/* ---------- 本文・フッター ---------- */
.app-main { flex: 1; width: 100%; max-width: 1440px; margin: 0 auto; padding: 24px 16px 48px; }
.app-footer {
  border-top: 1px solid var(--line); color: var(--ink-faint);
  padding: 16px; display: flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-display); font-weight: 600; font-size: 11px; letter-spacing: .16em;
}
.app-footer img { width: 16px; height: auto; }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head .eyebrow { font-family: var(--font-display); font-weight: 600; font-size: 11px; letter-spacing: .18em; color: var(--ink-faint); text-transform: uppercase; margin: 0 0 2px; }
.page-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.section { margin-top: 28px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.section-head h2 { font-size: 17px; }
.section-head .count { font-size: 13px; color: var(--ink-faint); font-variant-numeric: tabular-nums; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }

/* ---------- カード ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.card-body { padding: 16px 20px; }
.card-head { padding: 14px 20px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 12px; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 36px; padding: 6px 16px; border-radius: 6px;
  font: inherit; font-size: 14px; font-weight: 500; line-height: 1.4; white-space: nowrap;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  text-decoration: none; cursor: pointer;
}
.btn:hover { border-color: var(--ink-faint); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--surface); }
.btn-primary:hover { border-color: var(--accent); filter: brightness(1.12); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--accent); }
.btn-ghost:hover { background: var(--accent-soft); border-color: transparent; }
.btn-danger { color: var(--crit); border-color: var(--crit); background: var(--surface); }
.btn-danger:hover { background: var(--crit-bg); border-color: var(--crit); }
.btn-sm { min-height: 28px; padding: 2px 10px; font-size: 13px; }
.btn[disabled], .btn:disabled { opacity: .45; cursor: not-allowed; filter: none; }
.inline-form { display: inline; margin: 0; }

/* ---------- チップ ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 1px 9px; border-radius: 999px; font-size: 12.5px; font-weight: 500; line-height: 1.7;
  white-space: nowrap; background: var(--surface-tint); color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}
/* 案件の状態（DATA_MODEL 2.1） */
.chip-project-in_progress { color: var(--accent); background: var(--accent-soft); }
.chip-project-waiting { color: var(--ink-soft); background: var(--surface-tint); }
.chip-project-action_required { color: var(--warn); background: var(--warn-bg); }
.chip-project-done { color: var(--ok); background: var(--ok-bg); }
/* タスクの状態（SCREENS 共通レイアウト）。文字色＋同色の枠 */
.chip-task { background: transparent; border: 1px solid currentColor; padding: 0 8px; }
.chip-task-todo { color: var(--ink-soft); }
.chip-task-doing { color: var(--accent); }
.chip-task-review { color: var(--hot-2); }
.chip-task-done { color: var(--ok); }
/* 期限アラート段階（SPEC 5.1） */
.chip-alert-overdue { color: var(--crit); background: var(--crit-bg); }
.chip-alert-due_3d { color: var(--warn); background: var(--warn-bg); }
.chip-alert-due_7d { color: var(--ink-soft); background: var(--surface-tint); }
.chip-alert-none { color: var(--ink-soft); background: transparent; padding-left: 0; padding-right: 0; }
/* 区分・その他の補助チップ */
.chip-plain { background: var(--accent-soft); color: var(--ink-soft); }
.chip-archived { background: var(--surface-tint); color: var(--ink-faint); border: 1px dashed var(--ink-faint); }

/* ---------- フラッシュ ---------- */
.flash {
  border-radius: 8px; padding: 10px 14px; margin-bottom: 16px; font-size: 14px;
  border: 1px solid transparent; transition: opacity .6s ease;
}
.flash ul { margin: 0; padding-left: 1.2em; }
.flash-ok { background: var(--ok-bg); color: var(--ok); border-color: color-mix(in srgb, var(--ok) 25%, transparent); }
.flash-crit { background: var(--crit-bg); color: var(--crit); border-color: color-mix(in srgb, var(--crit) 25%, transparent); }
.flash.is-faded { opacity: .55; }
.issued {
  background: var(--surface-tint); border: 1px solid var(--line); border-radius: 8px;
  padding: 12px 14px; margin-bottom: 16px;
}
.copy-row { display: flex; gap: 8px; align-items: center; }
.copy-row .input { flex: 1; font-family: var(--font-mono); font-size: 13px; }

/* ---------- 表 ---------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.table { width: 100%; border-collapse: collapse; font-size: 14px; font-variant-numeric: tabular-nums; }
.table th, .table td { padding: 9px 12px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.table thead th {
  font-family: var(--font-heading); font-weight: 600; font-size: 12.5px; color: var(--ink-soft);
  background: var(--surface); white-space: nowrap; position: sticky; top: 0;
}
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: color-mix(in srgb, var(--accent-soft) 55%, transparent); }
.table .num { text-align: right; white-space: nowrap; }
.table .col-date { white-space: nowrap; }
.table tr.is-clickable { cursor: pointer; }
.table .row-link { color: var(--ink); font-weight: 500; text-decoration: none; }
.table .row-link:hover { text-decoration: underline; color: var(--accent); }
.table-group-row th {
  background: var(--surface-tint); color: var(--ink); font-size: 13px; font-weight: 700;
  letter-spacing: .02em; padding: 7px 12px;
}
.table-group-row .count { font-weight: 400; color: var(--ink-faint); margin-left: 6px; }
.sort-link { color: inherit; text-decoration: none; display: inline-flex; align-items: center; gap: 4px; }
.sort-link:hover { color: var(--ink); text-decoration: underline; }
.sort-link.is-active { color: var(--ink); }
.sort-mark { font-size: 10px; color: var(--accent); }
.progress { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.progress-bar { width: 48px; height: 4px; border-radius: 2px; background: var(--line); overflow: hidden; }
.progress-bar > span { display: block; height: 100%; background: var(--accent); }

/* ---------- フォーム ---------- */
.form { max-width: 960px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 20px; }
.form-grid .span-2 { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field > label, .field-label { font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.field .req { color: var(--hot); font-weight: 700; margin-left: 4px; font-size: 12px; }
.field-hint { font-size: 12.5px; color: var(--ink-faint); margin: 0; }
.field-error { font-size: 12.5px; color: var(--crit); margin: 0; }
.input, .select, .textarea {
  width: 100%; font: inherit; font-size: 15px; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: 6px;
  padding: 7px 10px; line-height: 1.6;
}
.textarea { min-height: 88px; resize: vertical; }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.is-invalid { border-color: var(--crit); }
.input-row { display: flex; gap: 8px; align-items: center; }
.input-row .input { flex: 1; }
.check { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; }
.form-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); flex-wrap: wrap; }

/* 絞り込みバー（S3） */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: flex-end;
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; margin-bottom: 16px;
}
.filter-bar .field { min-width: 140px; }
.filter-bar .field-q { flex: 1; min-width: 200px; }
.filter-checks { display: flex; flex-wrap: wrap; gap: 4px 12px; }
.filter-checks .check { font-size: 13.5px; }

/* ---------- ダイアログ（<dialog>） ---------- */
.dialog {
  border: 1px solid var(--line); border-radius: 12px; padding: 0; width: min(560px, calc(100vw - 32px));
  background: var(--surface); color: var(--ink);
  box-shadow: 0 16px 48px color-mix(in srgb, var(--ink) 22%, transparent);
}
.dialog::backdrop { background: color-mix(in srgb, var(--brand-navy) 45%, transparent); }
.dialog-head { padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.dialog-body { padding: 16px 20px; }
.dialog-actions { padding: 12px 20px 16px; display: flex; justify-content: flex-end; gap: 8px; }
.dialog-close { background: none; border: 0; font-size: 22px; line-height: 1; color: var(--ink-soft); cursor: pointer; padding: 4px 8px; }

/* ---------- ダッシュボード（S2）のタイル ---------- */
.tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.tiles-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tile {
  display: flex; flex-direction: column; gap: 2px; padding: 14px 16px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  text-decoration: none; color: var(--ink); position: relative; overflow: hidden;
}
.tile:hover { border-color: var(--ink-faint); }
.tile::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--line); }
.tile-label { font-size: 13px; color: var(--ink-soft); font-weight: 500; }
.tile-num { font-family: var(--font-display); font-weight: 700; font-size: 30px; line-height: 1.2; font-variant-numeric: tabular-nums; }
.tile-unit { font-size: 13px; color: var(--ink-faint); margin-left: 4px; font-family: var(--font-sans); font-weight: 400; }
.tile-project-in_progress::before { background: var(--accent); }
.tile-project-waiting::before { background: var(--ink-faint); }
.tile-project-action_required::before { background: var(--warn); }
.tile-project-done::before { background: var(--ok); }
.tile-alert-overdue::before { background: var(--crit); }
.tile-alert-overdue .tile-num { color: var(--crit); }
.tile-alert-due_3d::before { background: var(--warn); }
.tile-alert-due_3d .tile-num { color: var(--warn); }
.tile-alert-due_7d::before { background: var(--ink-faint); }
.tile-alert-overdue.is-zero .tile-num, .tile-alert-due_3d.is-zero .tile-num { color: var(--ink); }

/* ---------- 案件詳細（S4）の概要カード ---------- */
.overview { margin-bottom: 24px; }
.overview-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; padding: 18px 20px 12px; }
.overview-title { display: flex; flex-direction: column; gap: 6px; }
.overview-title .chips { display: flex; gap: 6px; flex-wrap: wrap; }
.overview-meta {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px 20px;
  margin: 0; padding: 12px 20px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 14px;
}
.overview-meta dt { font-size: 12px; color: var(--ink-faint); font-weight: 500; }
.overview-meta dd { margin: 0; font-variant-numeric: tabular-nums; }
.overview-meta .meta-wide { grid-column: span 2; min-width: 0; }
.folder-path { font-family: var(--font-mono); font-size: 13px; overflow-wrap: anywhere; }
.overview-text { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 24px; padding: 16px 20px 20px; }
.overview-text h3 { font-size: 13px; color: var(--ink-soft); margin-bottom: 4px; }
.overview-text p { max-width: 46em; }
.next-action { grid-column: 1 / -1; background: var(--surface-tint); border-radius: 8px; padding: 12px 16px; border-left: 4px solid var(--hot-2); }
.next-action h3 { color: var(--ink); }
.banner-archived {
  background: var(--surface-tint); border: 1px dashed var(--ink-faint); color: var(--ink-soft);
  border-radius: 8px; padding: 10px 14px; margin-bottom: 16px; font-size: 14px;
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
}

/* ---------- ボード（S4）。T6 がドラッグ・追加・詳細を足す ---------- */
.board-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.board-toolbar .field { flex-direction: row; align-items: center; gap: 8px; }
.board { display: grid; grid-template-columns: repeat(4, minmax(240px, 1fr)); gap: 12px; overflow-x: auto; padding-bottom: 8px; align-items: start; }
.board-col { background: var(--accent-soft); border-radius: 10px; padding: 10px; min-width: 240px; display: flex; flex-direction: column; gap: 8px; }
.board-col-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 2px 4px; }
.board-col-head h3 { font-size: 14px; }
.board-count { font-size: 12.5px; color: var(--ink-soft); background: var(--surface); border-radius: 999px; padding: 0 8px; font-variant-numeric: tabular-nums; }
.board-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; min-height: 40px; }
.board-col-foot { display: flex; flex-direction: column; gap: 6px; }
.board-more { font-size: 13px; }

.task-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px 10px 14px; position: relative; font-size: 14px; line-height: 1.6;
}
.task-card:hover { border-color: var(--ink-faint); }
.task-card.is-high::before { content: ""; position: absolute; left: -1px; top: -1px; bottom: -1px; width: 3px; border-radius: 8px 0 0 8px; background: var(--hot); }
.task-card-title { display: block; color: var(--ink); text-decoration: none; font-weight: 500; overflow-wrap: anywhere; }
.task-card-title:hover { text-decoration: underline; }
.task-card-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 10px; margin-top: 8px; font-size: 12.5px; color: var(--ink-soft); }
.task-card-meta .spacer { flex: 1; }
.task-card.is-done .task-card-title, .task-card.is-done .task-card-meta { color: var(--ink-faint); }
.comment-count { font-variant-numeric: tabular-nums; color: var(--ink-faint); }

.avatar { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.avatar-initial {
  width: 22px; height: 22px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: var(--surface); font-size: 11px; font-weight: 700; flex-shrink: 0;
}
.avatar.is-none .avatar-initial { background: var(--line); color: var(--ink-faint); }

/* ---------- 設定（S7）の左タブ ---------- */
.settings { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 24px; align-items: start; }
.settings-tabs { display: flex; flex-direction: column; gap: 2px; }
.settings-tabs a { padding: 8px 12px; border-radius: 6px; color: var(--ink-soft); text-decoration: none; font-size: 14px; border-left: 3px solid transparent; }
.settings-tabs a:hover { background: var(--accent-soft); color: var(--ink); }
.settings-tabs a.is-current { color: var(--ink); font-weight: 600; border-left-color: var(--accent); background: var(--accent-soft); }
.settings-panel > * + * { margin-top: 16px; }
.inline-fields { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
.cell-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* ---------- ゲスト画面（S1） ---------- */
.guest { justify-content: center; align-items: center; background: var(--ground); padding: 32px 16px; }
.guest-wrap { width: 100%; max-width: 420px; }
.guest-brand { display: flex; flex-direction: column; align-items: center; gap: 8px; margin-bottom: 20px; text-align: center; }
.guest-brand img { width: 56px; height: auto; }
.guest-brand .brand-name { font-size: 26px; }
.guest-brand .brand-tag { font-size: 11px; }
.guest-card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 24px; position: relative; overflow: hidden; }
.guest-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--brand-gradient); }
.guest-card h1 { font-size: 20px; margin-bottom: 16px; }
.guest-card .field { margin-bottom: 14px; }
.guest-card .btn-primary { width: 100%; margin-top: 4px; }
.guest-note { font-size: 13px; color: var(--ink-soft); margin-top: 16px; }
.guest-info { font-size: 14px; background: var(--surface-tint); border-radius: 6px; padding: 8px 12px; margin-bottom: 14px; }
.guest-info dt { font-size: 12px; color: var(--ink-faint); }
.guest-info dd { margin: 0 0 4px; }
.guest-foot { text-align: center; margin-top: 20px; color: var(--ink-faint); font-family: var(--font-display); font-weight: 600; font-size: 11px; letter-spacing: .16em; }

/* ---------- 狭い画面（768px 未満） ---------- */
@media (max-width: 767.98px) {
  .app-header-inner { flex-wrap: wrap; gap: 8px 12px; min-height: 56px; }
  .brand-app { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; order: 3; }
  .header-right { order: 2; }
  .nav { order: 4; flex-basis: 100%; flex-direction: column; gap: 0; display: none; padding-bottom: 8px; }
  .nav.is-open { display: flex; }
  .nav a { min-height: 44px; border-top: 0; border-bottom: 0; border-left: 3px solid transparent; }
  .nav a.is-current { border-left-color: var(--accent); }
  .user-name { display: none; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tiles-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .tile-num { font-size: 24px; }
  .grid-2, .form-grid, .overview-text { grid-template-columns: minmax(0, 1fr); }
  .overview-meta .meta-wide { grid-column: auto; }
  .settings { grid-template-columns: minmax(0, 1fr); }
  .settings-tabs { flex-direction: row; overflow-x: auto; }
  .board { grid-template-columns: repeat(4, minmax(240px, 80vw)); }
}