/* help-v1.css — ヘルプ画面 (v121 / 2026-09-03)
 * 遊び方 / 役一覧 / 符計算 / 点数表。トークンは characters-v2.css の --cast-* を共有。
 */

.help-head { padding-bottom: 0; }
.help-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin: 10px auto 0;
  width: min(100%, 560px);
}
.help-tab {
  padding: 8px 6px;
  border: 1px solid var(--cast-line-dim);
  border-bottom: none;
  border-radius: 10px 10px 0 0;
  background: rgba(9, 22, 40, .6);
  color: var(--cast-muted);
  font: 600 13px/1.2 inherit;
  font-family: inherit;
  cursor: pointer;
  transition: color .18s ease, background .18s ease;
}
.help-tab[aria-selected="true"] {
  color: var(--cast-gold-hi);
  background: var(--cast-panel-hi);
  border-color: var(--cast-line);
  box-shadow: inset 0 2px 0 var(--cast-gold);
}

.help-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 12px 16px 16px;
  color: var(--cast-copy);
  font-size: 13px;
  line-height: 1.65;
  scrollbar-width: thin;
  scrollbar-color: var(--cast-gold-low) transparent;
}
.help-body h3 {
  margin: 0 0 6px;
  color: var(--cast-gold);
  font: 700 14px/1.3 var(--cast-font-display);
  letter-spacing: 2px;
}
.help-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 10px; }
.help-card {
  padding: 12px 14px;
  border: 1px solid var(--cast-line-dim);
  border-radius: 12px;
  background: var(--cast-panel);
}
.help-card p { margin: 0; }
.help-group { margin: 0 0 16px; }
.help-legend, .help-note { margin: 0 0 10px; color: var(--cast-muted); font-size: 12px; }
.help-note { margin-top: 8px; }

.help-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--cast-line-dim);
  border-radius: 10px;
  overflow: hidden;
  background: rgba(0, 0, 0, .25);
  font-size: 12.5px;
}
.help-table th, .help-table td { padding: 7px 9px; border-bottom: 1px solid rgba(164, 203, 241, .12); text-align: left; vertical-align: top; }
.help-table thead th { color: var(--cast-muted); font-size: 11px; letter-spacing: 1px; background: rgba(9, 22, 40, .8); }
.help-table tbody tr:last-child td { border-bottom: none; }
.help-table .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; color: var(--cast-ivory); }
.help-table td.num { color: var(--cast-gold-hi); font-weight: 700; }
.yaku-table .yaku-name strong { display: block; color: var(--cast-ivory); }
.yaku-tags { display: inline-flex; gap: 4px; margin-top: 3px; }
.tag { padding: 1px 6px; border-radius: 999px; font-size: 9.5px; font-style: normal; letter-spacing: .5px; }
.tag.menzen { background: rgba(79, 159, 224, .22); color: #9fd1ff; border: 1px solid rgba(79, 159, 224, .4); }
.tag.kui { background: rgba(233, 190, 98, .16); color: var(--cast-gold-hi); border: 1px solid var(--cast-line); }
.yaku-how span { display: block; }
.yaku-how small { display: block; margin-top: 2px; color: var(--cast-muted); font-size: 11px; }
.yaku-how small.rule-note { color: var(--cast-gold); }

.help-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.score-table { min-width: 560px; }
.score-table th:first-child, .score-table tbody th { color: var(--cast-muted); white-space: nowrap; }
.score-table td.num { font-weight: 600; color: var(--cast-copy); }
.score-table td.num.limit { color: var(--cast-gold-hi); font-weight: 800; }
.score-table td.num.kiriage { color: #9fd1ff; }

@media (max-width: 520px) {
  .help-body { padding: 10px 10px 14px; font-size: 12.5px; }
  .help-table th, .help-table td { padding: 6px 6px; }
  .help-tab { font-size: 12px; padding: 7px 4px; }
  .yaku-table { font-size: 12px; }
}
@media (max-height: 420px) {
  .help-head h2 { display: none; }
  .help-tabs { margin-top: 4px; }
  .help-foot { padding: 4px 12px 6px; }
  .help-foot .btn { min-height: 44px; padding: 8px; font-size: 14px; }
}

/* ---------- v2: 牌の絵つき(役の例・用語) ---------- */
.help-tiles { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 8px; margin-top: 6px; }
.help-tiles-label { color: var(--cast-muted); font-size: 11px; margin-right: 2px; }
.help-tile-group { display: inline-flex; gap: 2px; }
.help-tile {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 41px;
  border-radius: 4px;
  background: linear-gradient(180deg, #fffdf6, #efe6d2);
  border: 1px solid #c9b993;
  border-bottom-width: 3px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .45);
}
.help-tile svg { width: 84%; height: 86%; display: block; }
.help-tile.side { transform: rotate(90deg) translateY(-4px); margin: 0 6px; }
.help-tile.back { background: linear-gradient(180deg, #2e5f8f, #163a5e); border-color: #0f2740; }
.help-tiles.sm .help-tile { width: 24px; height: 33px; border-bottom-width: 2px; }
.help-tiles.xs .help-tile { width: 18px; height: 25px; border-bottom-width: 2px; border-radius: 3px; }
.help-tiles.xs, .help-tiles.sm { margin-top: 4px; }
.help-table td.tiles-cell { padding-top: 4px; padding-bottom: 4px; }
.help-table td.tiles-cell .help-tiles { margin: 0; }

.yaku-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 8px; }
.yaku-row {
  padding: 10px 12px;
  border: 1px solid var(--cast-line-dim);
  border-radius: 12px;
  background: var(--cast-panel);
}
.yaku-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 8px; }
.yaku-head .yaku-name { color: var(--cast-ivory); font-size: 14px; }
.yaku-head .yaku-han { color: var(--cast-gold-hi); font-weight: 700; font-size: 12px; }
.yaku-row .yaku-how { margin: 4px 0 0; color: var(--cast-copy); font-size: 12.5px; }
.yaku-row .yaku-note { display: block; margin-top: 4px; color: var(--cast-muted); font-size: 11px; }
.yaku-row .yaku-note.rule-note { color: var(--cast-gold); }
.help-cards.glossary .help-card h3 small { margin-left: 8px; color: var(--cast-muted); font: 400 11px/1 system-ui, sans-serif; letter-spacing: 1px; }
.fu-example { padding: 8px 10px; margin-bottom: 8px; border: 1px solid var(--cast-line-dim); border-radius: 10px; background: var(--cast-panel); }
.fu-example p { margin: 0; }
.fu-example-hand { color: var(--cast-copy); font-size: 12.5px; }
.fu-example-calc { color: var(--cast-gold-hi); font-weight: 700; font-size: 13px; margin-top: 2px; }
.help-tabs { grid-template-columns: repeat(5, minmax(0, 1fr)); width: min(100%, 640px); }
@media (max-width: 520px) {
  .help-tab { font-size: 11px; padding: 7px 2px; }
  .help-tiles.sm .help-tile { width: 20px; height: 28px; }
  .yaku-list { grid-template-columns: minmax(0, 1fr); }
}