/* ===========================
   間 Gallery — ギャラリーページ専用スタイル
   =========================== */

/* ===== ヒーローセクション ===== */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem var(--side-pad) 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 20% 30%, rgba(201,168,130,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 80% 70%, rgba(232,196,192,0.10) 0%, transparent 60%);
  pointer-events: none;
}

.hero__kamon {
  font-size: 2rem;
  opacity: 0.18;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  animation: fadeUp 1s ease 0.2s both;
}

.hero__title {
  font-family: var(--font-serif-jp);
  font-size: clamp(2.8rem, 8vw, 6rem);
  font-weight: 300;
  letter-spacing: 0.35em;
  line-height: 1.15;
  color: var(--color-ink);
  animation: fadeUp 1s ease 0.4s both;
}

.hero__title-en {
  display: block;
  font-family: var(--font-latin);
  font-size: clamp(0.75rem, 2vw, 1rem);
  font-weight: 300;
  letter-spacing: 0.5em;
  color: var(--color-ink-muted);
  margin-top: 0.75rem;
  text-transform: uppercase;
  animation: fadeUp 1s ease 0.6s both;
}

.hero__divider {
  width: 40px;
  height: 1px;
  background: var(--color-accent);
  margin: 2rem auto;
  animation: expandWidth 0.8s ease 0.9s both;
}

.hero__desc {
  font-family: var(--font-serif-jp);
  font-size: clamp(0.85rem, 2vw, 1rem);
  font-weight: 300;
  color: var(--color-ink-muted);
  letter-spacing: 0.1em;
  max-width: 36rem;
  line-height: 1.9;
  animation: fadeUp 1s ease 1s both;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-ink-faint);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  font-family: var(--font-latin);
  text-transform: uppercase;
  animation: fadeUp 1s ease 1.4s both;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-ink-faint), transparent);
  animation: scrollLine 1.8s ease-in-out 1.6s infinite;
}

@keyframes scrollLine {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.2); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes expandWidth {
  from { width: 0; }
  to   { width: 40px; }
}

/* ===== トーナメントセクション（トップ埋め込み） ===== */
.tournament-section {
  padding: 8rem var(--side-pad) 3rem;
  border-bottom: 1px solid var(--color-border);
}

.tournament-section__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.tournament-section__label {
  font-family: var(--font-latin);
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.tournament-section__prog-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
}

.tournament-section__round {
  font-size: 0.72rem;
  color: var(--color-ink-faint);
  letter-spacing: 0.1em;
  font-family: var(--font-latin);
}

.tournament-section__bar {
  width: 160px;
  height: 2px;
  background: var(--color-border);
  border-radius: 99px;
  overflow: hidden;
}

.tournament-section__fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 99px;
  transition: width 0.4s ease;
}

.tournament-arena {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
}

.t-card {
  display: block;
  width: 100%;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  text-align: left;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), opacity var(--transition);
}

.t-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.t-card:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.t-card--selected {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent), var(--shadow-md);
  transform: translateY(-6px);
}

.t-card--losing {
  opacity: 0.2;
  transform: scale(0.97);
  pointer-events: none;
}

.t-card__img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

.t-card__title {
  padding: 0.75rem 1rem;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
  font-family: var(--font-sans-jp);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tournament-vs {
  font-family: var(--font-latin);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-ink-muted);
  letter-spacing: 0.1em;
  user-select: none;
  flex-shrink: 0;
}

.tournament-hint {
  text-align: center;
  font-size: 0.7rem;
  color: var(--color-ink-faint);
  letter-spacing: 0.1em;
  font-family: var(--font-latin);
  margin-top: 1.5rem;
}

.t-winner {
  grid-column: 1 / -1;
  text-align: center;
  padding: 1.5rem 0;
}

.t-winner__img {
  width: min(400px, 100%);
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin: 0 auto 1.5rem;
  border: 1px solid var(--color-border);
  display: block;
}

.t-winner__name {
  font-family: var(--font-serif-jp);
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--color-ink);
  margin-bottom: 1.5rem;
}

.t-winner__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.t-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.25rem;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--color-bg);
  background: var(--color-ink);
  cursor: pointer;
  font-family: var(--font-sans-jp);
  transition: all var(--transition);
}

.t-download-btn:hover {
  background: #3a3630;
  border-color: #3a3630;
}

.t-download-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.t-restart-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
  cursor: pointer;
  background: transparent;
  font-family: var(--font-sans-jp);
  transition: all var(--transition);
}

.t-restart-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-ink);
  background: var(--color-bg-alt);
}

@media (max-width: 600px) {
  .tournament-arena {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .tournament-vs { text-align: center; }
}

/* ===== フィルターバー ===== */
.filter-section {
  padding: 6rem var(--side-pad) 1.5rem; /* トーナメント削除後のヘッダー分余白 */
  max-width: var(--max-w);
  margin: 0 auto;
}

.filter-section__label {
  font-family: var(--font-latin);
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-bottom: 1rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.filter-btn {
  padding: 0.45rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  background: transparent;
  color: var(--color-ink-muted);
  font-size: 0.78rem;
  font-family: var(--font-sans-jp);
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-ink);
}

.filter-btn.active {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-bg);
}

/* ===== ギャラリーグリッド ===== */
.gallery-section {
  padding: 2rem var(--side-pad) 6rem;
  max-width: var(--max-w);
  margin: 0 auto;
}

.gallery-count {
  font-size: 0.75rem;
  color: var(--color-ink-faint);
  letter-spacing: 0.1em;
  margin-bottom: 2rem;
  font-family: var(--font-latin);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.75rem;
}

/* フィーチャー作品：広いカード */
.gallery-grid .gallery-card--featured {
  grid-column: span 2;
}

/* ===== ギャラリーカード ===== */
.gallery-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}

.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.gallery-card__image-wrap {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-alt);
}

/* 通常カードの縦横比 */
.gallery-card:not(.gallery-card--featured) .gallery-card__image-wrap {
  aspect-ratio: 4/3;
}

/* フィーチャーカードの縦横比 */
.gallery-card--featured .gallery-card__image-wrap {
  aspect-ratio: 16/7;
}

.gallery-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-card:hover .gallery-card__img {
  transform: scale(1.05);
}

/* ホバーオーバーレイ */
.gallery-card__overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  opacity: 0;
  transition: opacity var(--transition);
  padding: 1.5rem;
}

.gallery-card:hover .gallery-card__overlay {
  opacity: 1;
}

.gallery-card__overlay-title {
  font-family: var(--font-serif-jp);
  font-size: 1.05rem;
  font-weight: 400;
  color: #fff;
  text-align: center;
  letter-spacing: 0.1em;
}

.gallery-card__overlay-artist {
  font-family: var(--font-latin);
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.15em;
}

.gallery-card__view-icon {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-top: 0.5rem;
  font-size: 0.8rem;
}

/* カード下部メタ情報 */
.gallery-card__meta {
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.gallery-card__title {
  font-family: var(--font-serif-jp);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--color-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gallery-card__subtitle {
  display: block;
  font-family: var(--font-latin);
  font-size: 0.65rem;
  color: var(--color-ink-faint);
  letter-spacing: 0.05em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 0.1rem;
  margin-bottom: 0.25rem;
}

.gallery-card__artist {
  font-size: 0.72rem;
  color: var(--color-ink-muted);
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

/* ===== アプリカード ===== */
.gallery-card--app {
  cursor: pointer;
}

.gallery-card__view-icon--app {
  background: var(--color-accent, #c9a882);
  border-color: var(--color-accent, #c9a882);
  color: #fff;
}

/* ===== 空状態 ===== */
.gallery-empty {
  grid-column: 1 / -1;
  padding: 6rem 2rem;
  text-align: center;
  color: var(--color-ink-faint);
  font-family: var(--font-serif-jp);
  font-size: 1rem;
  letter-spacing: 0.12em;
}

.gallery-empty__icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.3;
}

/* ===== ライトボックスモーダル ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(26,24,22,0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lightbox__content {
  position: relative;
  z-index: 1;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  max-width: 900px;
  width: 100%;
  max-height: 90svh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  box-shadow: var(--shadow-lg);
  transform: scale(0.96) translateY(16px);
  transition: transform 0.3s ease;
}

.lightbox.open .lightbox__content {
  transform: scale(1) translateY(0);
}

.lightbox__image-wrap {
  background: var(--color-ink);
  aspect-ratio: 1;
  overflow: hidden;
}

.lightbox__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lightbox__info {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow-y: auto;
}

.lightbox__category {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.lightbox__title {
  font-family: var(--font-serif-jp);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1.4;
}

.lightbox__artist {
  font-size: 0.82rem;
  color: var(--color-ink-muted);
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.lightbox__divider {
  width: 24px;
  height: 1px;
  background: var(--color-border);
}

.lightbox__desc {
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--color-ink-muted);
  flex: 1;
}

.lightbox__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.lightbox__tag {
  padding: 0.2rem 0.6rem;
  background: var(--color-bg-alt);
  border-radius: 2px;
  font-size: 0.7rem;
  color: var(--color-ink-muted);
  letter-spacing: 0.05em;
}

.lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  color: var(--color-ink-muted);
  transition: all var(--transition);
  z-index: 2;
}

.lightbox__close:hover {
  background: var(--color-ink);
  color: var(--color-bg);
  border-color: var(--color-ink);
}

/* ===== レスポンシブ ===== */
@media (max-width: 900px) {
  .gallery-grid .gallery-card--featured {
    grid-column: span 1;
  }
  .gallery-grid .gallery-card--featured .gallery-card__image-wrap {
    aspect-ratio: 4/3;
  }
  .lightbox__content {
    grid-template-columns: 1fr;
    max-height: 85svh;
  }
  .lightbox__image-wrap {
    aspect-ratio: 16/9;
  }
}

@media (max-width: 600px) {
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .filter-btn {
    font-size: 0.72rem;
    padding: 0.4rem 0.8rem;
  }
}

@media (max-width: 400px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

/* ════════════════════════════
   Tournament Section (inline)
   ════════════════════════════ */
.tsec {
  padding: 2rem 0 0;
}

/* ── Arena brand label ── */
.t-arena__brand {
  font-family: var(--font-latin);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
  flex-shrink: 0;
  white-space: nowrap;
}

/* ── Buttons ── */
.t-btn {
  font-family: var(--font-sans-jp);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  white-space: nowrap;
}
.t-btn--ghost {
  padding: 0.45rem 0.9rem;
  background: transparent;
  color: var(--color-ink-muted);
  border: 1px solid var(--color-border);
}
.t-btn--ghost:hover { border-color: var(--color-ink-faint); color: var(--color-ink); }
.t-btn--download {
  padding: 0.5rem 1.2rem;
  background: var(--color-ink);
  color: var(--color-bg);
  border: none;
}
.t-btn--download:hover { background: #3a3733; }
.t-btn--download:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Arena ── */
.t-arena {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem 1.5rem 1.5rem;
}
.t-arena__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.t-arena__round {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--color-ink-faint);
  flex-shrink: 0;
  min-width: 7em;
  text-align: right;
}
.t-bar {
  flex: 1;
  height: 2px;
  background: var(--color-bg-alt);
  border-radius: 99px;
  overflow: hidden;
}
.t-bar__fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 99px;
  transition: width 0.4s ease;
}
.t-arena__close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-ink-faint);
  font-size: 0.85rem;
  padding: 0.25rem;
  flex-shrink: 0;
  transition: color var(--transition);
}
.t-arena__close:hover { color: var(--color-ink); }
.t-arena__title {
  font-family: var(--font-serif-jp);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-align: center;
  color: var(--color-ink);
  margin-bottom: 1.25rem;
}
.t-battle {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}
.t-card {
  display: block;
  width: 100%;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
  position: relative;
  text-align: left;
  padding: 0;
}
.t-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}
.t-card:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}
.t-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}
.t-card__caption {
  padding: 0.55rem 0.75rem;
  font-size: 0.76rem;
  color: var(--color-ink-muted);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: var(--font-sans-jp);
}
.t-card--selected {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent), var(--shadow-md);
  transform: translateY(-4px);
}
.t-card--losing {
  opacity: 0.22;
  transform: scale(0.96);
  pointer-events: none;
}
.t-vs {
  font-family: var(--font-latin);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-ink);
  text-align: center;
  user-select: none;
  flex-shrink: 0;
}
.t-arena__hint {
  font-size: 0.7rem;
  color: var(--color-ink-faint);
  text-align: center;
  letter-spacing: 0.04em;
  margin-top: 1rem;
}

/* ── Result ── */
.t-result {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 2rem 1.5rem;
}
.t-result__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto;
}
.t-result__crown { font-size: 1.75rem; line-height: 1; }
.t-result__label {
  font-family: var(--font-latin);
  font-size: 1.3rem;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  font-weight: 400;
}
.t-result__imgwrap {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.t-result__imgwrap img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}
.t-result__name {
  font-family: var(--font-serif-jp);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-ink);
  text-align: center;
}
.t-result__actions {
  display: flex;
  gap: 0.625rem;
  margin-top: 0.5rem;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .t-idle { flex-wrap: wrap; }
  .t-battle { grid-template-columns: 1fr; }
  .t-vs { font-size: 1rem; }
  .t-result__actions { flex-direction: column; width: 100%; }
}