/* ==========================================================================
   HAMSTER ベーススタイル (style.css)
   ==========================================================================
   GAS版の css-core.html から移植・Firebase UI向けに最適化。
   テーマ: カラフル制作室。白い共通UI、丸い造形、工程別の鮮やかなアクセント。

   色意味（画面別アクセント）:
   - ギャラリー: グリーン #45AD68
   - 画像DB: ピンク #E85D8E
   - 動画: ブルー #3F86D9
   - ツール/台本: オレンジ #F09A32
   - 利用履歴: パープル #8B63D2
   - 開発ツリー: スレート #526075
   共通操作色: ニュートラルスレート #445066
   ========================================================================== */

/* ---------------------------------------------------------------------------
   CSSカスタムプロパティ（デザイントークン）
   --------------------------------------------------------------------------- */
:root {
  /* 共通操作色。カテゴリ色と競合しないニュートラルスレートを使う。 */
  --color-primary: #445066;
  --color-primary-dark: #283247;
  --color-primary-light: #78849A;
  --color-primary-bg: #EEF1F5;
  --accent-rgb: 68, 80, 102;
  --accent-hover-rgb: 40, 50, 71;

  /* 画面別アクセント（ホームメニューカードの色を正とする） */
  --color-gallery: #45AD68;
  --color-gallery-dark: #287B45;
  --color-gallery-rgb: 69, 173, 104;
  --color-gallery-soft: #DDF5E5;
  --color-gallery-wash: rgba(221, 245, 229, 0.82);

  --color-imagedb: #E85D8E;
  --color-imagedb-dark: #B73868;
  --color-imagedb-rgb: 232, 93, 142;
  --color-imagedb-soft: #FFE1EC;
  --color-imagedb-wash: rgba(255, 225, 236, 0.82);

  --color-video: #3F86D9;
  --color-video-dark: #2861A6;
  --color-video-rgb: 63, 134, 217;
  --color-video-soft: #DDEEFF;
  --color-video-wash: rgba(221, 238, 255, 0.82);

  --color-script: #F09A32;
  --color-script-dark: #994D0B;
  --color-script-rgb: 240, 154, 50;
  --color-script-soft: #FFF0D8;
  --color-script-wash: rgba(255, 240, 216, 0.84);

  --color-usage: #8B63D2;
  --color-usage-dark: #6543A4;
  --color-usage-rgb: 139, 99, 210;
  --color-usage-soft: #EEE5FF;
  --color-usage-wash: rgba(238, 229, 255, 0.82);

  --color-devtree: #526075;
  --color-devtree-dark: #354154;
  --color-devtree-rgb: 82, 96, 117;
  --color-devtree-soft: #E4EAF2;
  --color-devtree-wash: rgba(228, 234, 242, 0.82);

  /* モーダル仕様色（各モーダルはここで決めた色を入口にし、内部装飾は同系色から派生させる） */
  --modal-spec-default-accent: var(--color-primary);
  --modal-spec-default-accent-dark: var(--color-primary-dark);
  --modal-spec-default-accent-rgb: var(--accent-rgb);
  --modal-spec-default-accent-soft: var(--color-primary-bg);

  --modal-spec-gallery-accent: var(--color-gallery);
  --modal-spec-gallery-accent-dark: var(--color-gallery-dark);
  --modal-spec-gallery-accent-rgb: var(--color-gallery-rgb);
  --modal-spec-gallery-accent-soft: var(--color-gallery-soft);

  --modal-spec-imagedb-accent: var(--color-imagedb);
  --modal-spec-imagedb-accent-dark: var(--color-imagedb-dark);
  --modal-spec-imagedb-accent-rgb: var(--color-imagedb-rgb);
  --modal-spec-imagedb-accent-soft: var(--color-imagedb-soft);

  --modal-spec-video-accent: var(--color-video);
  --modal-spec-video-accent-dark: var(--color-video-dark);
  --modal-spec-video-accent-rgb: var(--color-video-rgb);
  --modal-spec-video-accent-soft: var(--color-video-soft);

  --modal-spec-tools-accent: var(--color-script);
  --modal-spec-tools-accent-dark: var(--color-script-dark);
  --modal-spec-tools-accent-rgb: var(--color-script-rgb);
  --modal-spec-tools-accent-soft: var(--color-script-soft);

  --modal-spec-admin-accent: var(--color-usage);
  --modal-spec-admin-accent-dark: var(--color-usage-dark);
  --modal-spec-admin-accent-rgb: var(--color-usage-rgb);
  --modal-spec-admin-accent-soft: var(--color-usage-soft);

  --modal-spec-devtree-accent: var(--color-devtree);
  --modal-spec-devtree-accent-dark: var(--color-devtree-dark);
  --modal-spec-devtree-accent-rgb: var(--color-devtree-rgb);
  --modal-spec-devtree-accent-soft: var(--color-devtree-soft);

  /* ニュートラル（白を正とし、カテゴリ色を持つUIの余白として機能させる） */
  --color-bg: #FFFFFF;
  --color-surface: #FFFFFF;
  --color-surface-hover: #F4F6F9;
  --color-surface-strong: #FFFFFF;
  --color-surface-canvas: #F8FAFC;
  --color-surface-selected: #E0E7FF;
  --color-ink-strong: #111827;
  --color-ink-inverse: #FFFFFF;
  --surface-glass: rgba(255, 255, 255, 0.86);
  --surface-glass-strong: rgba(255, 255, 255, 0.94);
  --bg-secondary: #F1F4F8;
  --color-text: #1F2A3D;
  --color-text-muted: #59657A;
  --text-secondary: #414D63;
  --text-tertiary: #737E92;
  --color-border: #DDE2EA;
  --border-hover: #BCC5D2;

  /* セカンダリアクセント（GAS版 css-core.html 互換） */
  --secondary-accent: #3F86D9;
  --secondary-accent-rgb: 63, 134, 217;

  /* セマンティック */
  --color-success: #258A4B;
  --color-success-rgb: 37, 138, 75;
  --color-error: #D94747;
  --color-error-rgb: 217, 71, 71;
  --color-error-dark: #9F2929;
  --color-danger: #D94747;
  --color-danger-dark: #B73535;
  --color-error-bg: #FFE5E5;
  --color-warning: #C97818;
  --color-warning-rgb: 201, 120, 24;
  --color-info: #2C70BF;

  /* elevation / layering */
  --z-home-decor: 0;
  --z-content: 1;
  --z-header: 100;
  --z-floating-panel: 120;
  --z-modal: 1000;
  --z-blocking-overlay: 2500;
  --z-loading: 9000;
  --z-toast: 10000;

  /* サイズ */
  --header-height: 56px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 999px;

  /* フォント（日本語UIの可読性を優先し、画面別CSSでも同じ書体を参照する） */
  --font-sans: "Zen Kaku Gothic New", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "M PLUS Rounded 1c", "Zen Kaku Gothic New", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  /* タイポグラフィ（画面ごとの差を抑えるため、文字サイズはこの段階に寄せる） */
  --text-xs: 0.8125rem;     /* 13px: 補足、メタ情報、ラベルの最小基準 */
  --text-sm: 0.875rem;      /* 14px: ボタン、表、通常UI */
  --text-md: 1rem;          /* 16px: 本文、入力欄、長文 */
  --text-base: var(--text-md);
  --text-lg: 1.125rem;      /* 18px: カード見出し、モーダル見出し */
  --text-xl: 1.25rem;       /* 20px: 画面内見出し */
  --text-2xl: 1.5rem;       /* 24px: 大きめ見出し */
  --line-tight: 1.3;
  --line-ui: 1.45;
  --line-body: 1.65;
  --tracking-ui: 0.01em;

  /* GAS版 css-home.html 互換変数（ホーム画面ランディング用） */
  --accent: var(--color-primary);
  --accent-hover: var(--color-primary-dark);
  --accent-dark: var(--color-primary-dark);
  --accent-subtle: rgba(var(--accent-rgb), 0.08);
  --accent-ring: rgba(var(--accent-rgb), 0.12);
  --shadow-rgb: 15, 23, 42;
}

/* ---------------------------------------------------------------------------
   リセット
   --------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  /* OS標準のサブピクセル描画を使い、小さい日本語も細くかすれないようにする。 */
  -webkit-font-smoothing: auto;
  -moz-osx-font-smoothing: auto;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-md);
  color: var(--color-text);
  background:
    radial-gradient(circle at 12% -10%, rgba(var(--accent-rgb), 0.06), transparent 32%),
    radial-gradient(circle at 94% 0%, rgba(var(--secondary-accent-rgb), 0.04), transparent 28%),
    linear-gradient(180deg, #FAFBFF 0%, var(--color-bg) 42%, #EEF0F8 100%);
  line-height: var(--line-body);
  min-height: 100vh;
  overflow-x: hidden;
  letter-spacing: var(--tracking-ui);
  font-weight: 500;
  text-rendering: optimizeLegibility;
}

a { color: var(--color-primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: inherit; }

h1, h2, h3, h4 {
  line-height: var(--line-tight);
  letter-spacing: -0.01em;
}

/* ---------------------------------------------------------------------------
   ユーティリティクラス
   --------------------------------------------------------------------------- */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }

/* 支援技術からは参照できる状態で、画面上だけファイル入力を隠す。 */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
  padding: 0 !important;
  margin: -1px !important;
}

/* ---------------------------------------------------------------------------
   画面切替
   --------------------------------------------------------------------------- */
.screen {
  min-height: 100vh;
}

.screen-content {
  display: none;
}

.screen-content.active {
  display: block;
  animation: fadeIn 0.2s ease-out;
}

/* プロジェクト未アサインのユーザーは、API呼び出し前にUI全体を塞いで実利用を止める。 */
.project-unassigned-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-blocking-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at 20% 10%, rgba(var(--accent-rgb), 0.18), transparent 34%),
    radial-gradient(circle at 82% 90%, rgba(var(--secondary-accent-rgb), 0.14), transparent 30%),
    rgba(248, 250, 252, 0.94);
  backdrop-filter: blur(14px);
}

.project-unassigned-card {
  width: min(520px, 100%);
  padding: 32px;
  border: 1px solid rgba(99, 102, 241, 0.22);
  border-radius: var(--radius-xl);
  background: var(--surface-glass-strong);
  text-align: center;
}

.usage-admin-role-fixed {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-text);
  font-size: var(--text-xs);
  font-weight: 700;
}

.project-unassigned-kicker {
  margin-bottom: 10px;
  color: var(--color-primary-dark);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
}

.project-unassigned-card h2 {
  margin-bottom: 14px;
  font-size: clamp(1.35rem, 4vw, 1.9rem);
}

.project-unassigned-card p {
  color: var(--text-secondary);
}

.project-unassigned-note {
  margin: 14px 0 22px;
  font-size: var(--text-sm);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------------------------------------------------------------------------
   ボタン
   --------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: var(--line-ui);
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  color: var(--color-ink-inverse);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-secondary {
  color: var(--color-primary-dark);
  background: var(--color-primary-bg);
  border-color: rgba(var(--accent-rgb), 0.18);
}

.btn-secondary:hover {
  background: var(--color-surface-selected);
  border-color: rgba(var(--accent-rgb), 0.28);
}

.btn-text {
  color: var(--color-text-muted);
  background: transparent;
}

.btn-text:hover {
  color: var(--color-text);
  background: var(--color-surface-hover);
}

.btn-ghost {
  color: var(--color-text-muted);
  background: transparent;
  border-color: var(--color-border);
}

.btn-ghost:hover {
  color: var(--color-text);
  background: var(--color-surface-hover);
  border-color: var(--color-border-hover);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-muted);
  font-size: 20px;
}

.btn-icon:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.btn-large {
  padding: 12px 32px;
  font-size: var(--text-md);
  border-radius: var(--radius-md);
}

.btn-small {
  padding: 6px 12px;
  font-size: var(--text-xs);
}

.btn-full {
  width: 100%;
}

.btn-danger {
  color: var(--color-ink-inverse);
  background: var(--color-error);
}

.btn-danger:hover {
  background: var(--color-danger-dark);
}

/* ---------------------------------------------------------------------------
   フォーム
   --------------------------------------------------------------------------- */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-family: inherit;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color 0.15s;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-bg);
}

/* ---------------------------------------------------------------------------
   ローディングオーバーレイ
   --------------------------------------------------------------------------- */
.loading-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(4px);
  z-index: var(--z-loading);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-text {
  margin-top: 12px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------------------------------------------------------------------------
   認証画面
   --------------------------------------------------------------------------- */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background:
    radial-gradient(circle at top left, rgba(99, 102, 241, 0.12), transparent 30rem),
    radial-gradient(circle at bottom right, rgba(14, 165, 233, 0.08), transparent 30rem);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 48px 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-align: center;
}

.auth-logo {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-video));
  border-radius: 16px;
  font-size: 24px;
  font-weight: 800;
}

.auth-card h1 {
  margin-bottom: 4px;
  font-size: 24px;
  letter-spacing: -0.02em;
}

.auth-subtitle {
  margin-bottom: 16px;
  color: var(--color-text-muted);
  font-size: 14px;
}

.auth-description {
  margin-bottom: 32px;
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.7;
}

.auth-error {
  margin-top: 16px;
  padding: 10px 14px;
  color: #B91C1C;
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.auth-access-request-panel {
  margin-top: 16px;
}

.auth-pending-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

/* ---------------------------------------------------------------------------
   アプリヘッダー
   --------------------------------------------------------------------------- */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.app-title {
  flex-shrink: 0;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  /* ロゴをボタンとして使うため、button要素のデフォルトスタイルを解除しつつホバー効果を与える。 */
  background: transparent;
  border: none;
  padding: 6px 8px;
  margin: -6px -8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s;
}

.app-title:hover {
  background: var(--color-surface-hover);
}

.header-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  margin-left: 8px;
  padding-left: 10px;
  border-left: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.breadcrumb-separator {
  color: var(--color-border);
  font-weight: 400;
}

.breadcrumb-current {
  color: var(--color-text);
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-center {
  flex: 1;
  min-width: 0;
  display: flex;
  justify-content: center;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-email {
  font-size: 13px;
  color: var(--color-text-muted);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------------------------------------------------------------------------
   プロジェクトタブ
   --------------------------------------------------------------------------- */
.project-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  width: min(720px, 100%);
  background: var(--color-surface-hover);
  border-radius: var(--radius-md);
  padding: 3px;
}

.project-list {
  list-style: none;
  margin: 0;
}

.project-tab-list {
  display: flex;
  gap: 2px;
  min-width: 0;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: thin;
}

.project-item {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1px;
  min-width: 132px;
}

.project-item:hover {
  background: var(--color-primary-bg);
}

.project-item.active {
  background: var(--color-primary-bg);
  color: var(--color-primary-dark);
  font-weight: 600;
}

.project-name {
  max-width: 116px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-empty {
  padding: 6px 12px;
  color: var(--color-text-muted);
  font-size: 13px;
  text-align: center;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.project-new-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: var(--color-primary-dark);
  background: var(--color-primary-bg);
  border: 1px solid rgba(var(--accent-rgb), 0.24);
  border-radius: 999px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.project-new-btn:hover {
  background: #E0E7FF;
  border-color: rgba(var(--accent-rgb), 0.4);
  transform: translateY(-1px);
}

@media (max-width: 980px) {
  .app-header {
    height: auto;
    min-height: var(--header-height);
    flex-wrap: wrap;
    gap: 8px;
    padding: 8px 12px;
  }

  .header-left,
  .header-center,
  .header-right {
    flex: 1 1 100%;
  }

  .header-right {
    justify-content: flex-end;
  }

  .project-tabs {
    width: 100%;
  }

  .main-content {
    margin-top: 150px;
  }
}

@media (max-width: 640px) {
  .app-title {
    width: auto;
  }

  .header-left {
    flex-wrap: wrap;
  }

  .header-breadcrumb {
    width: 100%;
    margin-left: 0;
    padding-left: 0;
    border-left: none;
  }

  .main-content {
    padding: 16px;
    margin-top: 178px;
  }
}

/* ---------------------------------------------------------------------------
   メインコンテンツエリア
   --------------------------------------------------------------------------- */
.main-content {
  margin-top: var(--header-height);
  padding: 24px;
  min-height: calc(100vh - var(--header-height));
}

/* ---------------------------------------------------------------------------
   空状態 / スケルトン
   --------------------------------------------------------------------------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 24px;
  text-align: center;
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-message {
  color: var(--color-text-muted);
  font-size: 15px;
}

.empty-state .btn {
  margin-top: 16px;
}

/* スケルトンローディング */
.skeleton-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.skeleton-line {
  height: 14px;
  background: linear-gradient(90deg, var(--color-surface-hover) 25%, #E2E8F0 50%, var(--color-surface-hover) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: 4px;
  margin-bottom: 8px;
}

.skeleton-thumb { height: 120px; }
.skeleton-text.short { width: 60%; }

/* 一覧カード用スケルトン（gallery-card / image-card / video-card と同じレイアウト）
   読み込み中も実際のカードと同じサイズ感にし、レイアウトシフトを抑える。 */
.skeleton-card-list {
  min-width: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.skeleton-card-list .skeleton-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  margin-bottom: 0;
}

.skeleton-card-list .skeleton-body {
  padding: 14px;
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------------------------------------------------------------------------
   モーダル
   --------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(2px);
  z-index: var(--z-modal);
  animation: fadeIn 0.15s;
}

.modal {
  /* モーダル内部の装飾色はこの入口から派生させる。白/黒/ニュートラル/意味色だけは例外として直接使う。 */
  --modal-accent: var(--modal-spec-default-accent);
  --modal-accent-dark: var(--modal-spec-default-accent-dark);
  --modal-accent-rgb: var(--modal-spec-default-accent-rgb);
  --modal-accent-soft: var(--modal-spec-default-accent-soft);
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 28px;
  background: var(--color-surface);
  border: 1px solid rgba(var(--modal-accent-rgb), 0.18);
  border-radius: var(--radius-lg);
}

.modal h3 {
  margin-bottom: 20px;
  color: var(--modal-accent-dark);
  font-size: 18px;
}

.modal input:focus,
.modal textarea:focus,
.modal select:focus {
  border-color: var(--modal-accent);
  box-shadow: 0 0 0 3px rgba(var(--modal-accent-rgb), 0.12);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(var(--modal-accent-rgb), 0.14);
}

.modal .btn-primary {
  background: var(--modal-accent);
  border-color: var(--modal-accent);
}

.modal .btn-primary:hover {
  background: var(--modal-accent-dark);
  border-color: var(--modal-accent-dark);
}

.modal .btn-secondary {
  color: var(--modal-accent-dark);
  background: rgba(var(--modal-accent-rgb), 0.1);
  border-color: rgba(var(--modal-accent-rgb), 0.2);
}

.modal .btn-secondary:hover {
  background: rgba(var(--modal-accent-rgb), 0.16);
  border-color: rgba(var(--modal-accent-rgb), 0.28);
}

.modal .btn-icon:hover {
  color: var(--modal-accent-dark);
  background: rgba(var(--modal-accent-rgb), 0.1);
}

.modal.development-tree-modal {
  --modal-accent: var(--modal-spec-devtree-accent);
  --modal-accent-dark: var(--modal-spec-devtree-accent-dark);
  --modal-accent-rgb: var(--modal-spec-devtree-accent-rgb);
  --modal-accent-soft: var(--modal-spec-devtree-accent-soft);
  width: min(1180px, 94vw);
  max-width: 1180px;
  padding: 0;
  overflow: hidden;
  background: linear-gradient(180deg, #F8FAFC 0%, var(--modal-accent-soft) 100%);
}

.development-tree-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 24px 16px;
  border-bottom: 1px solid rgba(var(--modal-accent-rgb), 0.12);
}

.development-tree-kicker {
  margin-bottom: 4px;
  color: var(--modal-accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.development-tree-header h3 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.development-tree-header-copy {
  margin-top: 6px;
  color: var(--color-text-muted);
  font-size: 13px;
}

.development-tree-filters {
  display: flex;
  gap: 8px;
  padding: 12px 24px 0;
}

.development-tree-filter {
  padding: 7px 14px;
  border: 1px solid rgba(var(--modal-accent-rgb), 0.18);
  border-radius: 999px;
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.7);
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.development-tree-filter.is-active {
  color: #FFFFFF;
  background: var(--modal-accent);
  border-color: var(--modal-accent);
}

.development-tree-chat {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  min-height: 180px;
  max-height: 42vh;
  padding: 14px 18px;
  overflow-x: hidden;
  overflow-y: auto;
}

.development-tree-message {
  flex: 0 0 auto;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  cursor: pointer;
  transition: transform 0.16s ease, border-color 0.16s ease;
}

.development-tree-message.is-error-entry {
  padding: 12px 14px;
}

.development-tree-message:hover,
.development-tree-message:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.development-tree-message.update-log {
  border-top-left-radius: 6px;
}

.development-tree-message.error-log {
  border-color: rgba(239, 68, 68, 0.22);
  border-top-right-radius: 6px;
  background: rgba(255, 247, 247, 0.96);
}

.development-tree-message.is-investigating {
  border-color: rgba(var(--modal-accent-rgb), 0.4);
  background: rgba(var(--modal-accent-rgb), 0.1);
}

.development-tree-message.is-fixed {
  border-color: rgba(34, 197, 94, 0.26);
  background: rgba(240, 253, 244, 0.96);
}

.development-tree-message.is-resolved {
  border-color: rgba(148, 163, 184, 0.28);
  background: rgba(248, 250, 252, 0.94);
}

.development-tree-message.is-resolved h4,
.development-tree-message.is-resolved p {
  color: #64748B;
}

.development-tree-message.guide-log {
  border-color: rgba(245, 158, 11, 0.25);
  border-top-right-radius: 6px;
  background: rgba(255, 251, 235, 0.96);
}

.development-tree-message.manual-log {
  border-color: rgba(var(--modal-accent-rgb), 0.24);
  border-top-right-radius: 6px;
  background: rgba(255, 255, 255, 0.96);
}

.development-tree-message.system-log {
  border-style: dashed;
  background: rgba(255, 255, 255, 0.72);
}

.development-tree-message-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.development-tree-message-meta span {
  font-weight: 700;
  letter-spacing: 0;
  white-space: nowrap;
}

.development-tree-message-meta time {
  font-weight: 700;
  letter-spacing: 0;
  white-space: nowrap;
}

.development-tree-message h4 {
  margin-bottom: 4px;
  font-size: 13px;
  line-height: 1.35;
}

.development-tree-message p {
  color: var(--color-text-muted);
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  font-size: 11px;
  line-height: 1.45;
}

.development-tree-message.is-error-entry .development-tree-message-compact p {
  -webkit-line-clamp: 2;
  font-size: 11px;
}

.development-tree-message-detail {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
}

.development-tree-message-detail p {
  display: block;
  overflow: visible;
  -webkit-line-clamp: unset;
}

.development-tree-error-detail-list {
  display: grid;
  gap: 5px;
  margin-top: 8px;
}

.development-tree-error-detail-list div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 6px;
  align-items: baseline;
}

.development-tree-error-detail-list dt {
  color: var(--color-text-muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.development-tree-error-detail-list dd {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 10px;
}

.development-tree-status-pill {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 6px;
  padding: 3px 7px;
  border-radius: 999px;
  color: var(--modal-accent-dark);
  background: rgba(var(--modal-accent-rgb), 0.12);
  font-size: 9px;
  font-weight: 800;
}

.development-tree-message.is-investigating .development-tree-status-pill {
  color: var(--modal-accent-dark);
  background: rgba(var(--modal-accent-rgb), 0.2);
}

.development-tree-message.is-resolved .development-tree-status-pill {
  color: #475569;
  background: rgba(226, 232, 240, 0.95);
}

.development-tree-message.is-fixed .development-tree-status-pill {
  color: var(--modal-accent-dark);
  background: rgba(var(--modal-accent-rgb), 0.16);
}

.development-tree-reporter {
  display: block;
  margin-top: 7px;
  color: var(--color-text-muted);
  font-size: 10px;
  overflow-wrap: anywhere;
}

.development-tree-empty {
  display: grid;
  place-content: center;
  gap: 6px;
  min-height: 150px;
  padding: 24px;
  border: 1px dashed rgba(var(--modal-accent-rgb), 0.24);
  border-radius: 14px;
  color: var(--color-text-muted);
  text-align: center;
}

.development-tree-empty strong {
  color: var(--color-text);
}

.development-tree-empty.is-error {
  background: rgba(var(--modal-accent-rgb), 0.08);
}

.development-tree-admin-note {
  margin-top: 6px;
  padding: 6px 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--color-text-muted);
  font-size: 10px;
}

.development-tree-message-ids {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 7px;
}

.development-tree-message-ids code {
  padding: 2px 5px;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 9px;
}

.development-tree-error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.development-tree-error-actions .btn {
  min-height: 28px;
  padding: 4px 8px;
  font-size: 11px;
}

.development-tree-report-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 24px;
  background: rgba(255, 255, 255, 0.72);
  border-top: 1px solid rgba(var(--modal-accent-rgb), 0.12);
}

.development-tree-report-form label {
  color: var(--color-text);
  font-size: 13px;
  font-weight: 800;
}

.development-tree-report-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.development-tree-report-heading span {
  color: var(--color-text-muted);
  font-size: 11px;
}

.development-tree-report-fields {
  display: grid;
  grid-template-columns: minmax(120px, 0.28fr) 1fr;
  gap: 10px;
}

.development-tree-report-form textarea,
.development-tree-report-form input,
.development-tree-report-form select {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-text);
  font: inherit;
  font-size: 13px;
}

.development-tree-report-form textarea {
  resize: vertical;
  min-height: 78px;
  padding: 10px 12px;
}

.development-tree-report-form input {
  min-height: 38px;
  padding: 8px 12px;
}

.development-tree-report-form select {
  min-height: 38px;
  padding: 8px 32px 8px 12px;
}

.development-tree-report-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

.development-tree-report-hint {
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.development-tree-modal .modal-actions {
  margin: 0;
  padding: 16px 24px 20px;
  background: rgba(255, 255, 255, 0.62);
}

@media (max-width: 640px) {
  .development-tree-header {
    padding: 18px 18px 14px;
  }

  .development-tree-header-copy {
    font-size: 12px;
  }

  .development-tree-filters {
    padding-inline: 18px;
  }

  .development-tree-chat {
    max-height: 38vh;
    padding-inline: 12px;
  }

  .development-tree-report-form {
    padding: 14px 18px;
  }

  .development-tree-report-heading {
    display: grid;
    align-items: stretch;
  }

  .development-tree-report-fields,
  .development-tree-report-actions {
    grid-template-columns: 1fr;
  }
}

/* ---------------------------------------------------------------------------
   トースト通知
   --------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column-reverse;
  gap: 8px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 280px;
  max-width: 420px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  pointer-events: auto;
  animation: toast-in 0.3s ease-out;
  transition: opacity 0.3s, transform 0.3s;
}

.toast.is-dismissing {
  opacity: 0;
  transform: translateX(100%);
}

/* 楽観的削除では要素種別に依存せず、同じ退場状態を適用する。 */
body .is-optimistic-deleting.is-optimistic-deleting {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.9);
  transition: opacity 0.3s, transform 0.3s;
}

.toast-success {
  color: #047857;
  background: #DCFCE7;
  border: 1px solid #BBF7D0;
}

.toast-error {
  color: #B91C1C;
  background: #FEF2F2;
  border: 1px solid #FECACA;
}

.toast-warning {
  color: #B45309;
  background: #FFFBEB;
  border: 1px solid #FDE68A;
}

.toast-info {
  color: #0369A1;
  background: #E0F2FE;
  border: 1px solid #BAE6FD;
}

.toast-close {
  margin-left: auto;
  padding: 2px 6px;
  border: none;
  background: transparent;
  font-size: 18px;
  opacity: 0.5;
  cursor: pointer;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

/* ---------------------------------------------------------------------------
   ホーム画面（GAS版 css-home.html の home-launch デザイン移植）
   ---------------------------------------------------------------------------
   ランディング風の大判タイトル + グラデーションカードメニュー。
   背景にはクリックで破裂するハムスター emoji が浮遊する（navigation.js）。
   --------------------------------------------------------------------------- */

/* ホームランディングのルートコンテナ（GAS版 #home-screen.home-launch と同一計算） */
#screen-home.home-launch {
  position: relative;
  max-width: 1120px;
  min-height: calc(100vh - 64px);
  margin: 0 auto;
  padding: 86px 20px 48px;
  overflow: hidden;
  isolation: isolate;
  color: var(--color-text);
}

.screen-header { margin-bottom: 24px; }

.home-hero { text-align: center; margin-bottom: 48px; }
.home-launch-hero { max-width: 760px; margin: 0 auto 34px; color: var(--color-text); }

/* 背景に浮かぶハムスター emoji 群（GAS版と同じく fixed でビューポート全体に固定） */
.home-hamster-pattern {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hamster-layer-far, .hamster-layer-mid, .hamster-layer-near {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hamster-layer-far { z-index: 0; filter: blur(2px); }
.hamster-layer-mid { z-index: 1; filter: blur(0.8px); }
.hamster-layer-near { z-index: 2; }
.home-hamster-pattern span {
  position: absolute;
  display: block;
  line-height: 1;
  opacity: 0.35;
  filter: saturate(1.08);
  animation: hamsterFloat 9s ease-in-out infinite;
  transition: transform 0.15s ease, opacity 0.15s ease;
  pointer-events: none;
}
.home-hamster-pattern span.hamster-pop {
  animation: hamsterPop 0.5s ease-out forwards;
  pointer-events: none;
}
.hamster-firework {
  position: fixed;
  left: 0;
  top: 0;
  width: 0;
  height: 0;
  z-index: 3;
  pointer-events: none;
}
.hamster-particle {
  position: absolute;
  left: 0;
  top: 0;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--particle-color, #FBBF24);
  transform: translate(-50%, -50%) scale(0.4);
  animation: hamsterParticle 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ハムスター消滅時に出す名言トースト。背景演出より手前、モーダルより奥に固定表示する。 */
.hamster-quote-popup {
  position: fixed;
  z-index: 20;
  width: min(340px, calc(100vw - 28px));
  padding: 16px 18px 15px;
  border: 1px solid rgba(251, 191, 36, 0.34);
  border-radius: 18px;
  background:
    radial-gradient(circle at 14% 0%, rgba(251, 191, 36, 0.24), transparent 42%),
    linear-gradient(135deg, rgba(17, 24, 39, 0.94), rgba(68, 42, 18, 0.9));
  box-shadow: 0 18px 46px rgba(15, 23, 42, 0.34), 0 0 0 1px rgba(255,255,255,0.08) inset;
  color: #fff7ed;
  pointer-events: none;
  animation: hamsterQuoteEnter 0.28s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.hamster-quote-popup.is-leaving {
  animation: hamsterQuoteLeave 0.28s ease forwards;
}
.hamster-quote-mark {
  position: absolute;
  left: 13px;
  top: -12px;
  color: rgba(251, 191, 36, 0.5);
  font-family: Georgia, serif;
  font-size: 3.2rem;
  line-height: 1;
}
.hamster-quote-text {
  position: relative;
  display: block;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.72;
  letter-spacing: 0.01em;
}
.hamster-quote-author {
  display: block;
  margin-top: 8px;
  color: rgba(255, 237, 213, 0.78);
  font-size: 0.78rem;
  font-weight: 700;
  text-align: right;
}
@keyframes hamsterFloat {
  0%, 100% { translate: 0 0; }
  45% { translate: 0 -16px; }
  70% { translate: 8px -8px; }
}
@keyframes hamsterPop {
  0% { transform: scale(1); opacity: 0.14; }
  50% { transform: scale(1.8) rotate(180deg); opacity: 0.6; }
  100% { transform: scale(0) rotate(360deg); opacity: 0; }
}
@keyframes hamsterParticle {
  0% { transform: translate(-50%, -50%) scale(0.4); opacity: 1; }
  70% { opacity: 1; }
  100% { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) scale(0); opacity: 0; }
}
@keyframes hamsterQuoteEnter {
  0% { opacity: 0; transform: translateY(10px) scale(0.96); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes hamsterQuoteLeave {
  0% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(-8px) scale(0.98); }
}
@media (prefers-reduced-motion: reduce) {
  .home-hamster-pattern span { animation: none; }
  .hamster-firework { display: none; }
  .hamster-quote-popup { animation: none; }
}

/* ヒーロー：ロゴ */
.home-logo { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 16px; }
.home-launch-logo { gap: 18px; }
.home-launch-logo, .home-launch-grid, .home-version { position: relative; z-index: 1; }

.logo-icon {
  width: 40px; height: 40px; background: var(--accent); border-radius: var(--radius-md); position: relative;
}
.logo-icon::after { content: ''; position: absolute; inset: 8px; border: 2px solid rgba(255,255,255,0.35); border-radius: 6px; }

.home-hero h1 {
  font-size: 1.85rem; font-weight: 700; letter-spacing: -0.01em; color: var(--color-text);
}
#screen-home .home-hero h1 {
  color: var(--color-text);
  font-size: clamp(2.6rem, 6vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.home-content { margin-top: 36px; }

/* メニューグリッド */
.home-menu-grid { display: grid; grid-template-columns: repeat(3, 280px); gap: 18px; justify-content: center; }
.home-launch-grid { width: max-content; max-width: 100%; margin: 0 auto; position: relative; z-index: 1; }

.home-menu-card {
  text-align: left;
  padding: 24px;
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: transparent;
}

#screen-home .home-menu-card {
  --card-accent: #6366F1;
  --card-accent-dark: #4F46E5;
  --card-accent-rgb: 99, 102, 241;
  --card-soft: #EEF0FF;
  --card-wash: rgba(238, 240, 255, 0.7);
  display: flex;
  flex-direction: column;
  position: relative;
  width: 280px;
  min-height: 200px;
  padding: 22px 24px;
  border: 1px solid rgba(var(--card-accent-rgb), 0.35);
  border-radius: 20px;
  /* 視認性優先: 文字の背面からグラデーション・ぼかしを排し、白ベタ地に統一する */
  background: var(--color-surface);
  transition: transform 0.22s ease, border-color 0.22s ease;
}
#screen-home .home-menu-card-gallery {
  --card-accent: var(--color-gallery);
  --card-accent-dark: var(--color-gallery-dark);
  --card-accent-rgb: var(--color-gallery-rgb);
  --card-soft: var(--color-gallery-soft);
  --card-wash: var(--color-gallery-wash);
}
#screen-home .home-menu-card-video {
  --card-accent: var(--color-video);
  --card-accent-dark: var(--color-video-dark);
  --card-accent-rgb: var(--color-video-rgb);
  --card-soft: var(--color-video-soft);
  --card-wash: var(--color-video-wash);
}
#screen-home .home-menu-card-tools {
  --card-accent: var(--color-script);
  --card-accent-dark: var(--color-script-dark);
  --card-accent-rgb: var(--color-script-rgb);
  --card-soft: var(--color-script-soft);
  --card-wash: var(--color-script-wash);
}
#screen-home .home-menu-card-imagedb {
  --card-accent: var(--color-imagedb);
  --card-accent-dark: var(--color-imagedb-dark);
  --card-accent-rgb: var(--color-imagedb-rgb);
  --card-soft: var(--color-imagedb-soft);
  --card-wash: var(--color-imagedb-wash);
}
#screen-home .home-menu-card-usage {
  --card-accent: var(--color-usage);
  --card-accent-dark: var(--color-usage-dark);
  --card-accent-rgb: var(--color-usage-rgb);
  --card-soft: var(--color-usage-soft);
  --card-wash: var(--color-usage-wash);
}
#screen-home .home-menu-card-devtree {
  --card-accent: var(--color-devtree);
  --card-accent-dark: var(--color-devtree-dark);
  --card-accent-rgb: var(--color-devtree-rgb);
  --card-soft: var(--color-devtree-soft);
  --card-wash: var(--color-devtree-wash);
}
/* 視認性優先: 文字背面に重なっていた装飾円・ホバー用グラデーション層は廃止した */

.home-menu-card:hover { border-color: var(--accent); transform: translateY(-2px); }
#screen-home .home-menu-card:hover {
  border-color: var(--card-accent);
  transform: translateY(-4px);
}

/* 上段行: アイコンと英字ラベルを1行に揃え、ラベル下の大きな空洞を作らない */
.home-menu-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.home-menu-meta {
  display: inline-flex;
  margin-left: auto;
  padding: 4px 10px;
  border: 1px solid rgba(var(--card-accent-rgb), 0.3);
  border-radius: 999px;
  color: var(--card-accent-dark);
  background: rgba(255, 255, 255, 0.85);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.home-menu-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-subtle);
  color: var(--accent);
  border-radius: var(--radius-md);
  font-weight: 700;
  margin-bottom: 16px;
}
#screen-home .home-menu-icon {
  /* 右上の絶対配置をやめ、上段行の先頭でタイトルと同じ読み順に置く */
  width: 46px;
  height: 46px;
  margin: 0;
  flex-shrink: 0;
  border-radius: 14px;
  background: var(--card-soft);
  color: var(--card-accent-dark);
  font-size: 1.1rem;
}

.home-menu-title { display: block; font-size: 1.05rem; font-weight: 700; color: var(--color-text); margin-bottom: 8px; }
#screen-home .home-menu-title { color: var(--color-text); font-size: 1.28rem; letter-spacing: -0.01em; margin-bottom: 8px; }

.home-menu-desc { display: block; font-size: 0.857rem; color: var(--text-secondary); line-height: 1.7; }
/* 説明文は薄いミュート色から本文用セカンダリ色へ上げ、白地とのコントラストを確保する */
#screen-home .home-menu-desc { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.65; }

.home-menu-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  color: var(--color-text);
  font-size: 0.88rem;
  font-weight: 600;
}
#screen-home .home-menu-cta { margin-top: auto; padding-top: 16px; color: var(--card-accent-dark); }
.home-menu-cta::after {
  content: '→';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--card-accent);
  color: #fff;
  transition: transform 0.22s ease;
}
#screen-home .home-menu-card:hover .home-menu-cta::after { transform: translateX(4px); }

/* ---------------------------------------------------------------------------
   ツール選択モーダル
   --------------------------------------------------------------------------- */
.tools-modal {
  --modal-accent: var(--modal-spec-tools-accent);
  --modal-accent-dark: var(--modal-spec-tools-accent-dark);
  --modal-accent-rgb: var(--modal-spec-tools-accent-rgb);
  --modal-accent-soft: var(--modal-spec-tools-accent-soft);
  max-width: 680px;
  padding: 0;
  overflow-x: hidden;
  overflow-y: auto;
  background:
    radial-gradient(circle at 12% 0%, rgba(var(--modal-accent-rgb), 0.18), transparent 30%),
    radial-gradient(circle at 94% 8%, rgba(var(--modal-accent-rgb), 0.1), transparent 28%),
    linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 58%, var(--modal-accent-soft) 100%);
}

.tools-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 26px 26px 18px;
  border-bottom: 1px solid rgba(var(--modal-accent-rgb), 0.12);
}

.tools-modal-header h3 {
  margin: 0;
  color: var(--color-text);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.tools-modal-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 20px 26px 6px;
}

.tool-modal-item {
  --tool-accent: var(--modal-accent);
  --tool-accent-dark: var(--modal-accent-dark);
  --tool-accent-rgb: var(--modal-accent-rgb);
  --tool-tint: 0.08;
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  min-height: 116px;
  padding: 18px;
  text-align: left;
  font: inherit;
  color: var(--color-text);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(var(--tool-accent-rgb), 0.28);
  border-radius: 20px;
  background:
    radial-gradient(circle at 92% 16%, rgba(var(--tool-accent-rgb), 0.16), transparent 30%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(var(--tool-accent-rgb), var(--tool-tint)));
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.tool-modal-item.is-coming-soon {
  opacity: 0.78;
}

.tool-modal-item:disabled {
  cursor: not-allowed;
}

.tool-modal-item:disabled:hover {
  transform: none;
  border-color: rgba(var(--tool-accent-rgb), 0.28);
}

.tool-modal-item::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--tool-accent), var(--tool-accent-dark));
}

.tool-modal-item::after {
  content: '';
  position: absolute;
  width: 120px;
  height: 120px;
  right: -54px;
  bottom: -64px;
  border-radius: 999px;
  background: rgba(var(--tool-accent-rgb), 0.13);
}

.tool-modal-item:hover {
  border-color: rgba(var(--tool-accent-rgb), 0.58);
  transform: translateY(-3px);
}

.tool-modal-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  color: #fff;
  position: relative;
  z-index: 1;
  background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-dark));
  border-radius: 18px;
}

.tool-modal-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  position: relative;
  z-index: 1;
  flex: 1;
}

.tool-modal-status {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border: 1px solid rgba(var(--tool-accent-rgb), 0.28);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--tool-accent-dark);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.tool-modal-status.is-soon {
  color: var(--text-secondary);
}

.tool-modal-name {
  color: var(--color-text);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.tool-modal-desc {
  max-width: 440px;
  color: var(--text-secondary);
  font-size: var(--text-xs);
  line-height: 1.6;
}

@media (max-width: 640px) {
  .tools-modal {
    width: 94%;
  }

  .tools-modal-header,
  .tools-modal-list {
    padding-left: 18px;
    padding-right: 18px;
  }

  .tools-modal-header h3 {
    font-size: 24px;
  }

  .tool-modal-item {
    align-items: flex-start;
    min-height: 0;
    padding: 16px;
  }

  .tool-modal-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
  }
}


/* バージョン表記 */
.home-version {
  position: relative;
  z-index: 1;
  text-align: center;
  margin-top: 40px;
  padding: 12px 0;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

/* ホーム画面 レスポンシブ */
/* カード寸法は固定し、ウィンドウ幅では列数だけを切り替える。 */
@media (max-width: 900px) {
  #screen-home.home-launch .home-menu-grid {
    grid-template-columns: repeat(2, 280px);
  }

  #screen-home .home-menu-card,
  #screen-home .home-menu-card:nth-child(n+3) {
    min-height: 200px;
  }
}

@media (max-width: 680px) {
  #screen-home.home-launch .home-menu-grid { grid-template-columns: 280px; }
}

@media (max-width: 640px) {
  #screen-home.home-launch { min-height: auto; padding: 58px 10px 34px; }
  .home-hamster-pattern span { opacity: 0.2; }
  .home-launch-logo { flex-direction: column; gap: 14px; }
  .home-hero h1 { font-size: 1.5rem; }
  #screen-home .home-hero h1 { font-size: clamp(2.25rem, 14vw, 3.65rem); }
  #screen-home.home-launch .home-menu-grid { grid-template-columns: 280px; }
  #screen-home .home-menu-card,
  #screen-home .home-menu-card:nth-child(n+3) {
    min-height: 200px;
  }
  #screen-home .home-menu-icon { width: 42px; height: 42px; }
  .development-tree-message { flex-basis: 82vw; }
  .development-tree-message.is-error-entry { flex-basis: 58vw; }
  .development-tree-message.is-error-entry.is-expanded { flex-basis: 86vw; }
  .development-tree-report-actions { grid-template-columns: 1fr; }
}

@media (max-width: 340px) {
  #screen-home.home-launch .home-menu-grid { grid-template-columns: minmax(0, 1fr); }
  #screen-home .home-menu-card { width: 100%; }
}

/* ---------------------------------------------------------------------------
   ワークスペース（台本→絵コンテ画面）
   --------------------------------------------------------------------------- */
.workspace-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 20px;
}

.ws-tab {
  padding: 10px 20px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 600;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.ws-tab:hover {
  color: var(--color-text);
}

.ws-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.workspace-content {
  min-height: 400px;
}

/* ---------------------------------------------------------------------------
   ギャラリー / 画像DB / 動画 共通
   --------------------------------------------------------------------------- */
.gallery-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.gallery-header h2 {
  font-size: var(--text-xl);
  font-weight: 700;
}

.gallery-grid,
.video-grid,
.imagedb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.placeholder-text {
  grid-column: 1 / -1;
  padding: 40px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-md);
}

/* ---------------------------------------------------------------------------
   利用履歴画面
   --------------------------------------------------------------------------- */
.usage-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.usage-history-section {
  margin-bottom: 24px;
}

.usage-admin-panel {
  margin-bottom: 24px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.usage-history-section .usage-admin-panel {
  margin-bottom: 0;
  padding: 0;
  background: transparent;
  border: 0;
}

.usage-section-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.usage-section-header h2,
.usage-header h2 {
  margin: 0;
  font-size: var(--text-xl);
  font-weight: 700;
}

.usage-section-header p {
  margin: 6px 0 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.usage-month-selector {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: var(--text-md);
  font-weight: 600;
}

.usage-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.usage-summary-card {
  padding: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.usage-summary-card .label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.usage-summary-card .value {
  font-size: var(--text-xl);
  font-weight: 700;
}

.usage-project-tabs {
  display: flex;
  gap: 8px;
  margin: -8px 0 12px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.usage-project-tab-wrap {
  position: relative;
  flex: 0 0 148px;
  min-width: 0;
}

.usage-project-tab {
  display: grid;
  gap: 2px;
  width: 100%;
  min-width: 0;
  padding: 10px 12px;
  color: var(--color-text);
  text-align: left;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.usage-project-tab.is-active {
  border-color: var(--color-primary);
}

/* 管理・全体履歴タブはadmin専用のため、通常のプロジェクトタブと色を区別する。 */
.usage-project-tab.is-admin-tab {
  border-color: rgba(var(--color-usage-rgb), 0.45);
}

.usage-project-tab.is-admin-tab.is-active {
  border-color: var(--color-usage-dark);
}

.usage-project-tab-name {
  font-size: var(--text-sm);
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.usage-project-tab-meta,
.usage-event-project {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.usage-event-feature {
  font-weight: 700;
}

.usage-user-breakdown {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
  padding: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.usage-user-breakdown-header {
  font-size: var(--text-sm);
  font-weight: 700;
}

.usage-user-breakdown-scroll {
  max-height: 320px;
  overflow: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.usage-user-breakdown-table {
  min-width: 520px;
  font-size: var(--text-xs);
}

.usage-user-breakdown-table th,
.usage-user-breakdown-table td {
  padding: 4px 8px;
}

.usage-user-breakdown-table .usage-admin-user-email {
  font-size: var(--text-xs);
  line-height: var(--line-ui);
}

.usage-user-breakdown-number {
  text-align: right;
  white-space: nowrap;
}

.usage-user-access-inline {
  display: flex;
  gap: 4px;
  flex-wrap: nowrap;
}

.usage-user-access-inline select {
  min-width: auto;
  width: 60px;
  padding: 2px 4px;
  font-size: var(--text-xs);
}

.usage-user-project-chip-compact {
  display: inline-block;
  padding: 1px 4px;
  margin: 0 2px 2px 0;
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  white-space: nowrap;
}

.usage-user-breakdown-empty {
  padding: 10px 0;
}

.usage-user-project-breakdown {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-width: 520px;
}

.usage-user-project-chip {
  display: inline-flex;
  max-width: 100%;
  padding: 3px 7px;
  color: var(--color-text-muted);
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: var(--text-xs);
  white-space: nowrap;
}

.usage-admin-panel-header {
  align-items: center;
}

.usage-admin-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.usage-admin-header h3,
.usage-admin-card h4 {
  margin: 0 0 6px;
  font-weight: 700;
}

.usage-admin-header p,
.usage-admin-hint {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  line-height: 1.6;
}

.usage-admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.usage-admin-card {
  padding: 14px;
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.usage-admin-card-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.usage-admin-row,
.usage-admin-stack {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.usage-admin-stack {
  flex-direction: column;
}

.usage-admin-row input,
.usage-admin-stack select {
  min-width: 0;
  width: 100%;
  padding: 9px 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
}

.usage-admin-label {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
}

.usage-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.usage-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 12px;
}

.usage-chip button {
  border: 0;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
}

.usage-admin-projects-card {
  margin-bottom: 14px;
}

.usage-admin-project-layout {
  display: grid;
  grid-template-columns: minmax(180px, 240px) 1fr;
  gap: 14px;
}

.usage-admin-project-list {
  display: grid;
  align-content: start;
  gap: 8px;
}

.usage-admin-project-list-header {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
}

.usage-admin-project-list-item {
  display: grid;
  gap: 2px;
  width: 100%;
  padding: 10px 12px;
  color: var(--color-text);
  text-align: left;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.usage-admin-project-list-item.is-active {
  border-color: var(--color-primary);
}

.usage-admin-project-list-name {
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
}

.usage-admin-project-list-meta {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

/* プロジェクト別メンバー表は、管理者が所属状態を俯瞰しながら追加・解除する領域。 */
.usage-project-assignment-board {
  display: grid;
  gap: 12px;
  margin-top: 10px;
}

.usage-admin-empty-scope,
.usage-selected-project-card {
  padding: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.usage-selected-project-card {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}



.usage-global-admin-grid {
  display: grid;
  gap: 14px;
}

.usage-global-admin-section {
  display: grid;
  gap: 10px;
}

.usage-project-admin-list {
  display: grid;
  gap: 12px;
}

.usage-project-admin-block {
  display: grid;
  gap: 10px;
  padding: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.usage-project-admin-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.usage-project-admin-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.usage-global-admin-title {
  font-size: var(--text-sm);
  font-weight: 700;
}

.usage-global-admin-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.usage-danger-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  cursor: pointer;
  user-select: none;
}

.usage-global-admin-scroll {
  max-height: 360px;
  overflow-x: auto;
  overflow-y: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.usage-project-member-scroll {
  max-height: 220px;
}

.usage-admin-table {
  width: 100%;
  min-width: 720px;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  background: var(--color-surface);
  border: 0;
  border-radius: 0;
  font-size: var(--text-xs);
}

.usage-project-member-admin-table {
  min-width: 560px;
}

.usage-admin-table th,
.usage-admin-table td {
  padding: 10px 12px;
  border-top: 1px solid var(--color-border);
  text-align: left;
  vertical-align: middle;
}

.usage-admin-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  border-top: 0;
  color: var(--color-text-muted);
  background: var(--color-surface-hover);
  font-weight: 700;
  white-space: nowrap;
}

.usage-admin-table select {
  width: 100%;
  min-width: 140px;
  padding: 7px 8px;
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

/* 中央揃え列のセレクトはテキスト・プルダウンともに中央寄せにする */
.usage-admin-table th.usage-col-center,
.usage-admin-table td.usage-col-center {
  text-align: center;
}

.usage-admin-table td.usage-col-center select {
  text-align: center;
  text-align-last: center;
}

.usage-admin-table td.usage-col-center .btn-text,
.usage-admin-table td.usage-col-center .btn-small {
  text-align: center;
}

.usage-access-request-status {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin: 4px 0;
  padding: 2px 8px;
  color: var(--color-warning);
  background: rgba(var(--color-warning-rgb), 0.12);
  border: 1px solid rgba(var(--color-warning-rgb), 0.28);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

/* プロジェクトの招待権限と操作を1行に保ち、狭い画面ではテーブル側を横スクロールさせる。 */
.usage-management-project-table {
  min-width: 900px;
}

.usage-management-project-actions,
.usage-management-project-actions label {
  display: inline-flex;
  flex-wrap: nowrap;
  gap: 8px;
  align-items: center;
  white-space: nowrap;
}

.usage-admin-table .usage-management-project-actions select {
  width: 150px;
  min-width: 150px;
}

.usage-management-project-actions .btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

.usage-management-project-actions .usage-project-invite-card {
  flex: 1 1 520px;
  white-space: normal;
}

.usage-management-project-actions .usage-project-invite-card label {
  display: grid;
  white-space: normal;
}

.usage-admin-empty-cell {
  padding: 18px;
  color: var(--color-text-muted);
  text-align: center;
}

.usage-col-center {
  text-align: center;
}

.usage-table th.usage-col-center,
.usage-table td.usage-col-center,
.usage-admin-table th.usage-col-center,
.usage-admin-table td.usage-col-center {
  text-align: center;
}

.usage-admin-table th.usage-user-breakdown-number:not(.usage-col-center),
.usage-admin-table td.usage-user-breakdown-number:not(.usage-col-center) {
  text-align: right;
}

.usage-empty-cell {
  padding: 24px;
}

.usage-id-details {
  margin-top: 3px;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.usage-id-details summary {
  display: inline-flex;
  cursor: pointer;
  user-select: none;
}

.usage-id-details span {
  display: block;
  max-width: 220px;
  margin-top: 3px;
  overflow-wrap: anywhere;
}

.usage-project-admin-layout {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(320px, 1.2fr);
  gap: 12px;
}

.usage-admin-user-picker,
.usage-admin-selected-user {
  padding: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.usage-admin-user-list {
  display: grid;
  gap: 6px;
  max-height: 260px;
  margin-top: 10px;
  overflow: auto;
}

.usage-admin-user-list-item {
  display: grid;
  gap: 3px;
  width: 100%;
  padding: 8px;
  color: var(--color-text);
  text-align: left;
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.usage-admin-user-list-item.is-selected {
  border-color: var(--color-primary);
}

.usage-admin-selected-heading {
  display: grid;
  grid-template-columns: 1fr minmax(180px, 0.8fr);
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}

.usage-admin-selected-heading select,
.usage-project-add-row select,
.usage-project-member-add-row select,
.usage-project-invite-row select {
  width: 100%;
  min-width: 0;
  padding: 7px 8px;
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.usage-admin-selected-access {
  grid-template-columns: minmax(180px, 1fr) 120px 130px minmax(180px, 1.2fr);
}

.usage-project-member-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.usage-project-member-table th,
.usage-project-member-table td {
  padding: 12px;
  border-top: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.usage-project-member-table thead th {
  border-top: 0;
  color: var(--color-text-muted);
  background: var(--color-surface-hover);
  font-size: var(--text-xs);
  white-space: nowrap;
}

.usage-project-member-table tbody th {
  width: 240px;
  background: var(--color-surface);
}

.usage-project-name {
  font-size: var(--text-sm);
  font-weight: 700;
}

.usage-project-id {
  margin-top: 4px;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  word-break: break-all;
}

.usage-project-members {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* メールアドレスを操作単位にするため、ユーザーをクリック可能なチップとして表示する。 */
.usage-member-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  padding: 6px 8px;
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  cursor: pointer;
  font-size: var(--text-xs);
}

.usage-member-chip.is-owner {
  background: rgba(15, 23, 42, 0.06);
}

.usage-member-email {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.usage-member-role {
  padding: 2px 6px;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border-radius: 999px;
  font-size: var(--text-xs);
  white-space: nowrap;
}

.usage-member-chip button {
  border: 0;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
}

.usage-project-add-row,
.usage-project-member-add-row,
.usage-project-invite-row,
.usage-project-invite-form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 10px;
}

/* メンバー追加操作を1つのカードにまとめ、招待リンクと既存ユーザー追加を同じ権限指定で扱う。 */
.usage-project-assignment-controls {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.usage-project-assignment-heading {
  margin-bottom: 10px;
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 800;
}

.usage-project-add-methods {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.usage-project-add-methods.is-single {
  grid-template-columns: minmax(0, 1fr);
}

.usage-project-add-method {
  min-width: 0;
  padding: 14px;
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

/* メンバー追加の2機能を同じ重さに見せるため、招待フォームの内側カード枠は外側カードへ統合する。 */
.usage-project-add-method > .usage-project-invite-card {
  margin-top: 10px;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.usage-project-add-method > .usage-project-invite-card > .usage-project-invite-card-heading {
  display: none;
}

/* 発行済み履歴は操作カードの比較対象ではないため、2機能の下に全幅で分離する。 */
.usage-project-invitation-history {
  grid-column: 1 / -1;
  min-width: 0;
  margin-top: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.usage-project-add-method-heading h5 {
  margin: 0 0 4px;
  color: var(--color-text);
  font-size: var(--text-sm);
}

.usage-project-add-method-heading p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  line-height: var(--line-ui);
}

.usage-project-add-role-row {
  display: flex;
  max-width: 240px;
  margin-top: 10px;
}

.usage-project-invite-card {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  padding: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.usage-project-invite-card.is-compact {
  min-width: 520px;
  margin-top: 0;
  padding: 10px;
  text-align: left;
}

.usage-project-invite-card-heading {
  display: grid;
  gap: 3px;
}

.usage-project-invite-card-heading strong {
  color: var(--color-text);
  font-size: var(--text-sm);
}

.usage-project-invite-card-heading span {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  line-height: var(--line-ui);
}

.usage-project-invite-mode-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.usage-project-invite-mode {
  display: grid;
  gap: 3px;
  padding: 8px;
  color: inherit;
  text-align: left;
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font: inherit;
}

.usage-project-invite-mode.is-selected {
  background: var(--color-surface);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.usage-project-invite-mode strong {
  color: var(--color-text);
  font-size: var(--text-xs);
}

.usage-project-invite-mode span {
  color: var(--color-text-muted);
  font-size: 11px;
  line-height: var(--line-ui);
}

.usage-project-invite-single-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-end;
}

.usage-project-invite-single-row[hidden] {
  display: none;
}

.usage-project-invite-single-summary {
  display: grid;
  flex: 1 1 220px;
  gap: 3px;
  min-width: 0;
  padding: 8px 10px;
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.usage-project-invite-single-summary strong {
  color: var(--color-text);
  font-size: var(--text-xs);
}

.usage-project-invite-single-summary span {
  color: var(--color-text-muted);
  font-size: 11px;
  line-height: var(--line-ui);
}

.usage-project-invite-expand-button {
  display: grid;
  gap: 3px;
  width: 100%;
  padding: 9px 10px;
  color: var(--color-text);
  text-align: left;
  background: var(--color-surface-hover);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font: inherit;
}

.usage-project-invite-expand-button:hover,
.usage-project-invite-card.is-multiple-expanded .usage-project-invite-expand-button {
  border-color: var(--color-primary);
}

.usage-project-invite-expand-button span {
  font-size: var(--text-xs);
  font-weight: 800;
}

.usage-project-invite-expand-button small {
  color: var(--color-text-muted);
  font-size: 11px;
  line-height: var(--line-ui);
}

.usage-project-invite-role-row {
  display: flex;
  max-width: 240px;
}

.usage-project-invite-recipient-panel {
  display: grid;
  gap: 8px;
  padding: 10px;
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.usage-project-invite-recipient-panel[hidden] {
  display: none;
}

.usage-project-invite-recipient-panel .usage-admin-hint {
  margin: 0;
}

.usage-project-invite-form-row {
  align-items: flex-end;
  margin-top: 0;
}

.usage-project-invite-form-row input,
.usage-project-invite-form-row select {
  width: 100%;
  min-width: 0;
  padding: 7px 8px;
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.usage-project-invite-form-row .usage-project-user-field {
  flex: 2 1 280px;
}

.usage-project-invite-form-row .btn {
  flex: 0 0 auto;
}

.usage-project-invite-draft {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 34px;
  padding: 7px;
  background: var(--color-surface-hover);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
}

.usage-project-invite-empty {
  align-self: center;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.usage-project-invite-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  padding: 5px 7px 5px 9px;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
}

.usage-project-invite-chip span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.usage-project-invite-chip button {
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  padding: 0;
  color: var(--color-text-muted);
  background: transparent;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
}

.usage-project-invite-chip button:hover {
  color: var(--color-text);
  background: var(--color-surface-hover);
}

.usage-project-invite-issue-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
}

.usage-project-invite-issue-row .usage-admin-hint {
  margin-right: auto;
}

.usage-project-invite-policy {
  display: grid;
  gap: 4px;
  margin: 0 0 12px;
  padding: 10px 12px;
  color: var(--color-text-muted);
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  line-height: var(--line-ui);
}

.usage-project-invite-policy strong {
  color: var(--color-text);
  font-size: var(--text-sm);
}

.usage-project-add-method .usage-project-member-add-row,
.usage-project-add-method .usage-project-invite-row {
  align-items: flex-end;
}

.usage-project-control-field {
  display: grid;
  flex: 1 1 140px;
  gap: 4px;
  min-width: 0;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.usage-project-control-field strong {
  display: flex;
  align-items: center;
  min-height: 36px;
  color: var(--color-text);
  font-size: var(--text-sm);
}

.usage-project-invite-result {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  margin-top: 10px;
}

.usage-project-invite-url-field {
  flex: 1 1 auto;
}

.usage-project-invite-url-field input {
  width: 100%;
  min-width: 0;
  padding: 7px 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.usage-invite-type-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 3px 8px;
  color: var(--color-text);
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.usage-project-member-add-row select[data-project-add-user] {
  flex: 1 1 260px;
}

.usage-project-member-add-row .usage-project-user-field {
  flex: 2 1 240px;
}

.usage-project-member-add-row select[data-project-add-role] {
  flex: 0 0 140px;
}

.usage-project-member-add-row .btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

/* 招待URL発行欄を1行にまとめ、画面の占有を減らす。 */
.usage-project-invite-row select {
  flex: 0 1 auto;
  min-width: 140px;
  width: auto;
  max-width: 220px;
}

.usage-project-invite-expiry {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  white-space: nowrap;
}

.usage-project-invite-expiry input[type="number"] {
  width: 56px;
  padding: 6px 6px;
  text-align: center;
}

.usage-project-invite-unit {
  color: var(--color-text-muted);
}

.usage-invite-accepted-list {
  display: grid;
  gap: 6px;
  padding: 8px 0;
}

.usage-invite-accepted-item {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  padding: 8px 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}


.usage-admin-user-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 120px 130px minmax(180px, 1.2fr);
  gap: 8px;
  align-items: center;
  padding: 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
}

.usage-admin-user-email {
  font-weight: 700;
  word-break: break-all;
}

.usage-admin-user-meta {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.usage-admin-user-row select {
  width: 100%;
  padding: 7px 8px;
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.usage-table-container {
  overflow-x: auto;
}

.usage-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.usage-table th {
  padding: 12px 14px;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  text-align: left;
  background: var(--color-surface-hover);
  white-space: nowrap;
}

.usage-table td {
  padding: 10px 14px;
  font-size: var(--text-sm);
  border-top: 1px solid var(--color-border);
}

/* 利用履歴は数値・メール・プロジェクト名が密集するため、小さすぎる文字を共通最小値に揃える。 */
.usage-header h2,
.gallery-header h2 {
  font-size: var(--text-xl);
}

.usage-month-selector,
.usage-table td,
.usage-project-tab-name,
.usage-user-breakdown-header,
.usage-global-admin-title,
.usage-project-name {
  font-size: var(--text-sm);
  line-height: var(--line-ui);
}

.usage-summary-card .label,
.usage-project-tab-meta,
.usage-event-project,
.usage-user-breakdown-table,
.usage-user-breakdown-table .usage-admin-user-email,
.usage-user-access-inline select,
.usage-user-project-chip-compact,
.usage-user-project-chip,
.usage-admin-header p,
.usage-admin-hint,
.usage-admin-label,
.usage-chip,
.usage-danger-toggle,
.usage-admin-table,
.usage-id-details,
.usage-project-member-table thead th,
.usage-project-id,
.usage-member-chip,
.usage-member-role,
.usage-admin-user-row,
.usage-admin-user-meta,
.usage-table th {
  font-size: var(--text-xs);
  line-height: var(--line-ui);
}

/* ---------------------------------------------------------------------------
   レスポンシブ
   --------------------------------------------------------------------------- */
@media (max-width: 768px) {
  input[type="text"],
  input[type="email"],
  input[type="password"],
  textarea,
  select {
    /* iOSの入力時ズームを避けるため、モバイルでは入力文字を16pxに固定する。 */
    font-size: var(--text-md);
  }

  .app-header {
    gap: 10px;
    padding: 0 10px;
  }

  .app-title {
    font-size: 14px;
  }

  .project-tabs {
    max-width: calc(100vw - 190px);
  }

  .project-item {
    min-width: 116px;
  }

  .project-name {
    max-width: 100px;
  }

  .gallery-grid,
  .video-grid,
  .imagedb-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
  }

  .usage-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .usage-admin-header,
  .usage-admin-card-heading,
  .usage-admin-row {
    flex-direction: column;
  }

  .usage-project-admin-layout,
  .usage-admin-selected-heading,
  .usage-admin-selected-access,
  .usage-admin-user-row,
  .usage-project-add-row,
  .usage-project-invite-row {
    grid-template-columns: 1fr;
  }

  .usage-project-add-methods {
    grid-template-columns: 1fr;
  }

  .usage-project-invite-card.is-compact {
    min-width: 360px;
  }

  .usage-project-invite-mode-grid {
    grid-template-columns: 1fr;
  }

  .usage-project-invite-form-row {
    align-items: stretch;
  }

  .usage-project-invite-single-row {
    align-items: stretch;
  }

  .usage-project-invite-single-row .btn,
  .usage-project-invite-form-row .btn {
    width: 100%;
  }

  .usage-project-invite-issue-row .btn {
    width: 100%;
  }

  .usage-project-member-table,
  .usage-project-member-table thead,
  .usage-project-member-table tbody,
  .usage-project-member-table tr,
  .usage-project-member-table th,
  .usage-project-member-table td {
    display: block;
    width: 100%;
  }

  .usage-project-member-table thead {
    display: none;
  }

  .usage-project-member-table tbody th {
    width: 100%;
  }
}

@media print {
  .app-header, .loading-overlay, .toast-container {
    display: none !important;
  }
  .main-content {
    margin-left: 0;
    margin-top: 0;
  }
}