/* ============================================================
   SAKANAQUARIUM 2026 — Availability (残数表示) page styles
   既存 style.css の var(--*) を流用。既存ルールは未変更。
   ============================================================ */

/* ---------- Back link (header & footer) ---------- */
.av-back {
  padding: 16px 0 0;
}
.av-back__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-jp);
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 150ms;
}
.av-back__link:hover { color: var(--fg); }
.av-back__arrow {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-left: 1.5px solid var(--dim);
  border-bottom: 1.5px solid var(--dim);
  transform: rotate(45deg);
  transition: transform 150ms, border-color 150ms;
}
.av-back__link:hover .av-back__arrow { border-color: var(--fg); transform: translateX(-3px) rotate(45deg); }

.av-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.av-footer-back {
  margin: 0;
  font-family: var(--font-jp);
  font-size: 0.78rem;
}
.av-footer-back a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line-3);
  padding-bottom: 2px;
  letter-spacing: 0.02em;
  transition: color 150ms;
}
.av-footer-back a::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-left: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 150ms;
}
.av-footer-back a:hover { color: var(--fg); }
.av-footer-back a:hover::before { transform: translateX(-3px) rotate(45deg); }

/* ---------- Mast ---------- */
.page-availability .mast {
  text-align: center;
}
.av-mast-title {
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.av-mast-title__en {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.7rem;
  letter-spacing: 0.08em;
  line-height: 1.2;
  color: var(--fg);
}
.av-mast-title__ja {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--muted);
  letter-spacing: 0.12em;
}
.av-mast-lede {
  margin: 20px auto 0;
  max-width: 520px;
  font-family: var(--font-jp);
  font-size: 0.82rem;
  line-height: 1.85;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.av-mast-lede small {
  font-size: 0.72rem;
  color: var(--dim);
}

/* ---------- Reception meta ---------- */
#reception-meta {
  padding-top: 24px;
  padding-bottom: 0;
}
.av-meta-box {
  border: 1px solid var(--border);
  padding: 18px 20px;
  background: #fff;
}
.av-meta-label {
  margin: 0;
  font-family: var(--font-head);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}
.av-reception-name {
  margin: 6px 0 2px;
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: 0.02em;
}
.av-reception-note {
  margin: 0;
  font-family: var(--font-jp);
  font-size: 0.78rem;
  color: var(--muted);
}
.av-updated {
  margin: 0;
  font-family: var(--font-jp);
  font-size: 0.78rem;
  color: var(--muted);
}
.av-updated span {
  font-family: var(--font-head);
  font-variant-numeric: tabular-nums;
  margin-left: 6px;
  color: var(--fg);
  font-weight: 600;
}

/* ---------- Legend ---------- */
.av-legend {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 16px;
}
.av-legend li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-jp);
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
}
.legend-desc { flex: 1; }

/* ---------- Symbol colors ---------- */
.sym {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
}
.sym--ok   { color: #1e7a3c; }                /* ◯ */
.sym--few  { color: #b88016; }                /* △ */
.sym--re   { color: #1e5a8a; }                /* ▲ */
.sym--sold { color: #b03030; }                /* × */
.sym--na   { color: var(--dim); }             /* — */

/* ---------- Main table ---------- */
.av-table-scroll {
  position: relative;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -4px;
  padding: 0 4px;
}
/* Right-edge fade gradient (only when scrollable & not at end) */
.av-table-scroll.is-scrollable::after {
  content: '';
  position: absolute;
  top: 0;
  right: 4px;
  bottom: 0;
  width: 40px;
  background: linear-gradient(to right, rgba(255,255,255,0), rgba(255,255,255,0.92));
  pointer-events: none;
  transition: opacity 200ms;
}
.av-table-scroll.is-scroll-end::after {
  opacity: 0;
}
/* Scroll hint text below the table */
.av-scroll-hint {
  display: none;
  margin: 8px 0 0;
  font-family: var(--font-jp);
  font-size: 0.72rem;
  color: var(--muted);
  text-align: center;
  letter-spacing: 0.04em;
}
.av-scroll-hint.is-visible {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  animation: av-hint-pulse 1.6s ease-in-out infinite;
}
.av-scroll-hint__arrow {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--dim);
}
@keyframes av-hint-pulse {
  0%, 100% { opacity: 0.65; }
  50%      { opacity: 1; }
}
.av-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-jp);
  font-size: 0.85rem;
}
.av-table th,
.av-table td {
  border-bottom: 1px solid var(--line-3);
  padding: 10px 6px;
  text-align: center;
  vertical-align: middle;
}
.av-table thead th {
  border-bottom: 1.5px solid var(--fg);
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--fg);
  background: #fff;
  padding: 12px 6px;
}
.av-table .th-date,
.av-table .td-date {
  text-align: left;
  white-space: nowrap;
  font-family: var(--font-head);
  font-variant-numeric: tabular-nums;
  font-size: 0.82rem;
  padding-left: 4px;
}
.av-table .td-date .dow {
  font-family: var(--font-jp);
  font-size: 0.72rem;
  color: var(--muted);
  margin-left: 2px;
}
.av-table .th-venue,
.av-table .td-venue {
  text-align: left;
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
  padding-right: 8px;
}
.av-table .th-seat {
  cursor: help;
  min-width: 38px;
}
.av-table .td-sym {
  padding: 6px 4px;
}
.av-table tbody tr:hover {
  background: #fafafa;
}

.av-table-note {
  margin-top: 12px;
  font-family: var(--font-jp);
  color: var(--muted);
  line-height: 1.7;
}
.av-table-note small {
  font-size: 0.72rem;
}

/* ---------- Card layout (SP) ---------- */
/* By default hidden — only shown on small screens */
.av-cards {
  display: none;
}
.av-perf-card {
  border: 1px solid var(--border);
  padding: 12px 14px;
  margin-bottom: 8px;
  background: #fff;
}
.av-perf-card:last-child {
  margin-bottom: 0;
}
.av-perf-card__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 10px;
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line-3);
}
.av-perf-card__date {
  font-family: var(--font-head);
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: 0.02em;
}
.av-perf-card__date .dow {
  font-family: var(--font-jp);
  font-size: 0.72rem;
  color: var(--muted);
  margin-left: 2px;
  font-weight: 400;
}
.av-perf-card__venue {
  font-family: var(--font-jp);
  font-size: 0.78rem;
  color: var(--muted);
}
.av-perf-card__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px 6px;
}
.av-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 4px 0;
}
.av-pill__label {
  font-family: var(--font-head);
  font-size: 0.68rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1;
}
.av-pill .sym {
  width: 26px;
  height: 26px;
  font-size: 1rem;
}
.av-pill--na .av-pill__label {
  color: var(--dim);
}

/* ---------- Sub tables toggle (FAQ と同じ見た目) ---------- */
.av-sub-toggle {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 18px 32px 18px 0;
  cursor: pointer;
  position: relative;
  font-family: var(--font-jp);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--fg);
  line-height: 1.6;
  letter-spacing: 0.01em;
}
.av-sub-toggle::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--dim);
  border-bottom: 1.5px solid var(--dim);
  transform: translateY(-65%) rotate(45deg);
  transition: transform 0.25s;
}
.av-sub-toggle.is-open {
  border-bottom-color: transparent;
}
.av-sub-toggle.is-open::after {
  transform: translateY(-35%) rotate(-135deg);
}
.av-sub-panel {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  padding: 0;
  border-bottom: 1px solid var(--border);
  transition: max-height 0.35s ease, opacity 0.3s ease, padding 0.35s ease;
}
.av-sub-panel.is-open {
  max-height: 4000px;
  opacity: 1;
  padding: 0 0 20px;
}
.av-sub-group {
  margin-top: 20px;
}
.av-sub-group:first-child {
  margin-top: 0;
}
.av-sub-title {
  margin: 0 0 8px;
  font-family: var(--font-jp);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: 0.02em;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .av-mast-title__en { font-size: 1.3rem; }
  .av-mast-title__ja { font-size: 0.78rem; }
  .av-mast-lede { font-size: 0.75rem; margin-top: 16px; }
  .av-mast-lede small { font-size: 0.65rem; }

  .av-back { padding: 12px 0 0; }
  .av-back__link { font-size: 0.72rem; }
  .av-footer-back { font-size: 0.72rem; text-align: center; padding: 0 16px; }

  .av-meta-box { padding: 14px 16px; }
  .av-reception-name { font-size: 0.9rem; }
  .av-reception-note { font-size: 0.72rem; }
  .av-updated { font-size: 0.72rem; }

  .av-legend {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .av-legend li { font-size: 0.75rem; }

  /* SP: hide table, show cards */
  .av-table-scroll,
  #av-main-table,
  [id^="av-sub-table-"] { display: none; }
  .av-scroll-hint { display: none !important; }
  .av-cards { display: block; }

  .av-sub-toggle { padding: 14px 28px 14px 0; font-size: 0.82rem; }
  .av-sub-title { font-size: 0.85rem; margin-bottom: 10px; }
  .av-sub-group { margin-top: 24px; }

  .av-table-note small { font-size: 0.65rem; }
}

/* Very narrow screens (≤340px): drop to 3 columns to keep symbols readable */
@media (max-width: 340px) {
  .av-perf-card__grid { grid-template-columns: repeat(3, 1fr); }
}

/* Compact venue display on small screens: use short code */
@media (max-width: 480px) {
  /* Optional: future enhancement - venue abbreviation */
}