/* ボーカルセレクト [ibo_vocal_deck] 第1段（2026-09-23 サイト実装部）
 * 上段: キャラ選択ホイール（横スクロール・snap・選択中は拡大）
 * 中段: キャラ情報
 * 下段: 楽曲スロット（[ibo_player] のカード。切替時に順に滑り込む・prefers-reduced-motion で無効）
 * SWELL の CSS 変数は --color_main（アクセント）だけ借りる。文字色・地色は固定（v1.0.1・2026-09-23）:
 * 中段＋下段を白いパネルに載せ、暗色セクション（トップの fullWide 等）に置いても文字が読めるようにする。
 */
.ibo-vdeck {
  --vd-accent: var(--color_main, #04384c);
  --vd-text: #222;
  --vd-bg: #fff;
  --vd-border: rgba(0, 0, 0, .14);
  --vd-muted: #6b6f78;
  --vd-chip-w: 176px;
  --vd-glow: 0 0 0 3px #fff, 0 0 0 5px var(--vd-accent), 0 10px 26px rgba(0, 0, 0, .28);
  margin: 1.8em 0 2.2em;
  color: var(--vd-text);
  position: relative;
}

/* ---- 上段: ホイール */
.ibo-vdeck-wheel-wrap {
  position: relative;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(0, 0, 0, .86), rgba(0, 0, 0, .78));
  padding: 4px 0;
  overflow: hidden;
}
.ibo-vdeck-wheel {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  padding: 24px 0 14px;
  cursor: grab;
}
.ibo-vdeck-wheel::-webkit-scrollbar { display: none; }
.ibo-vdeck-wheel.is-dragging { scroll-snap-type: none; cursor: grabbing; }
.ibo-vdeck-wheel.is-dragging .ibo-vdeck-chip { pointer-events: none; }
/* 先頭・末尾のチップも中央に来るようにする詰め物（flex の padding-inline-end は無視されるため） */
.ibo-vdeck-wheel::before,
.ibo-vdeck-wheel::after {
  content: "";
  flex: 0 0 calc(50% - var(--vd-chip-w) / 2);
}
.ibo-vdeck-chip {
  flex: 0 0 var(--vd-chip-w);
  width: var(--vd-chip-w);
  scroll-snap-align: center;
  scroll-snap-stop: always;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: #fff;
  font: inherit;
  cursor: pointer;
  opacity: .5;
  filter: saturate(.55);
  transform: scale(.92);
  transition: transform .28s cubic-bezier(.2, .7, .2, 1), opacity .28s, filter .28s;
  -webkit-tap-highlight-color: transparent;
}
.ibo-vdeck-chip:hover { opacity: .8; }
.ibo-vdeck-chip.is-active {
  opacity: 1;
  filter: none;
  transform: scale(1.14);
  z-index: 1;
}
.ibo-vdeck-chip:focus-visible { outline: none; }
.ibo-vdeck-chip:focus-visible .ibo-vdeck-chip-img { box-shadow: 0 0 0 3px #fff, 0 0 0 5px #3b82f6; }
.ibo-vdeck-chip-img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  overflow: hidden;
  background: #222;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .35);
  transition: box-shadow .28s;
}
.ibo-vdeck-chip.is-active .ibo-vdeck-chip-img { box-shadow: var(--vd-glow); }
.ibo-vdeck-chip-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin: 0;
  pointer-events: none;
  -webkit-user-drag: none;
  user-select: none;
}
.ibo-vdeck-chip-name {
  font-weight: 800;
  font-size: .86rem;
  line-height: 1.2;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-shadow: 0 1px 2px rgba(0, 0, 0, .6);
}
.ibo-vdeck-chip-badge {
  font-size: .66rem;
  font-weight: 700;
  line-height: 1;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--vd-accent);
  color: #fff;
  font-variant-numeric: tabular-nums;
}
.ibo-vdeck-chip-badge.is-empty { background: rgba(255, 255, 255, .18); color: rgba(255, 255, 255, .8); }

.ibo-vdeck-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 40px;
  height: 56px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: rgba(0, 0, 0, .55);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background .15s;
}
.ibo-vdeck-arrow:hover { background: rgba(0, 0, 0, .8); }
.ibo-vdeck-arrow:focus-visible { outline: 3px solid rgba(59, 130, 246, .8); outline-offset: 2px; }
.ibo-vdeck-arrow svg { width: 28px; height: 28px; fill: currentColor; }
.ibo-vdeck-arrow--prev { left: 6px; }
.ibo-vdeck-arrow--next { right: 6px; }

/* ---- 中段: キャラ情報 */
.ibo-vdeck-panels {
  margin-top: 14px;
  padding: 14px 16px 16px;
  background: var(--vd-bg);
  color: var(--vd-text);
  border: 1px solid var(--vd-border);
  border-radius: 14px;
}
.ibo-vdeck-panel[hidden] { display: none; }
.ibo-vdeck-info {
  padding: 4px 2px 12px;
  border-bottom: 1px solid var(--vd-border);
  margin-bottom: 14px;
}
.ibo-vdeck-info-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
}
.ibo-vdeck-name {
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background: none !important;
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1.25;
  color: var(--vd-text);
}
.ibo-vdeck-name::before, .ibo-vdeck-name::after { content: none !important; }
.ibo-vdeck-name small {
  display: inline-block;
  margin-left: .4em;
  font-size: .72rem;
  font-weight: 600;
  color: var(--vd-muted);
}
.ibo-vdeck-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--vd-accent);
  color: #fff;
  font-size: .74rem;
  font-weight: 700;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.ibo-vdeck-badge.is-empty { background: rgba(127, 127, 127, .2); color: var(--vd-muted); }
.ibo-vdeck-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0 0 !important;
  font-size: .72rem;
}
.ibo-vdeck-tags span {
  padding: 2px 9px;
  border-radius: 6px;
  border: 1px solid var(--vd-border);
  color: var(--vd-muted);
  line-height: 1.5;
}
.ibo-vdeck-copy {
  margin: 8px 0 0 !important;
  font-size: .92rem;
  line-height: 1.6;
}
.ibo-vdeck-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}
.ibo-vdeck-playall {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px 9px 12px;
  border: 0;
  border-radius: 999px;
  background: var(--vd-accent);
  color: #fff;
  font: inherit;
  font-size: .86rem;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition: filter .15s, transform .1s;
}
.ibo-vdeck-playall:hover { filter: brightness(1.12); }
.ibo-vdeck-playall:active { transform: scale(.97); }
.ibo-vdeck-playall:focus-visible { outline: 3px solid rgba(59, 130, 246, .6); outline-offset: 2px; }
.ibo-vdeck-playall svg { width: 18px; height: 18px; fill: currentColor; }
.ibo-vdeck-ico-pause { display: none; }
.ibo-vdeck-playall.is-playing .ibo-vdeck-ico-play { display: none; }
.ibo-vdeck-playall.is-playing .ibo-vdeck-ico-pause { display: block; }
.ibo-vdeck-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--vd-border);
  color: var(--vd-text) !important;
  font-size: .82rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none !important;
  background: var(--vd-bg);
  transition: background .15s, border-color .15s;
}
.ibo-vdeck-link:hover { background: rgba(127, 127, 127, .12); }
.ibo-vdeck-link--yt::before { content: "▶"; font-size: .7em; margin-right: 6px; color: #cc0000; }
.ibo-vdeck-link--buy { border-color: #f59e0b; color: #b45309 !important; }

/* ---- 下段: 楽曲スロット */
.ibo-vdeck-slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 14px;
}
.ibo-vdeck-slots .ibo-player { margin: 0; }
.ibo-vdeck-more {
  display: contents;   /* 隠している間は display:none（hidden）、開いたら親のグリッドに溶ける */
}
.ibo-vdeck-more[hidden] { display: none; }
.ibo-vdeck-all { grid-column: 1 / -1; }
.ibo-vdeck-all[hidden] { display: none; }
.ibo-vdeck-all .ibo-player { border-color: var(--vd-accent); box-shadow: 0 0 0 2px var(--vd-accent) inset, 0 6px 18px rgba(0, 0, 0, .12); }
.ibo-vdeck-more-btn {
  grid-column: 1 / -1;
  justify-self: center;
  padding: 9px 22px;
  border: 1px solid var(--vd-border);
  border-radius: 999px;
  background: var(--vd-bg);
  color: var(--vd-text);
  font: inherit;
  font-size: .86rem;
  font-weight: 700;
  cursor: pointer;
}
.ibo-vdeck-more-btn:hover { background: rgba(127, 127, 127, .12); }
.ibo-vdeck-more-btn[hidden] { display: none; }
.ibo-vdeck-empty {
  grid-column: 1 / -1;
  margin: 0 !important;
  padding: 26px 16px;
  border: 1px dashed var(--vd-border);
  border-radius: 12px;
  text-align: center;
  color: var(--vd-muted);
  font-size: .9rem;
}

/* ---- 切替アニメーション（CSS のみ・カードが順に滑り込む） */
.ibo-vdeck-panel.is-entering .ibo-vdeck-info { animation: ibo-vdeck-fade .3s ease-out both; }
.ibo-vdeck-panel.is-entering .ibo-vdeck-slot,
.ibo-vdeck-panel.is-entering .ibo-vdeck-empty {
  animation: ibo-vdeck-in .42s cubic-bezier(.2, .7, .2, 1) both;
  animation-delay: calc(var(--i, 0) * 55ms + 60ms);
}
@keyframes ibo-vdeck-in {
  from { opacity: 0; transform: translateX(36px); }
  to   { opacity: 1; transform: none; }
}
@keyframes ibo-vdeck-fade {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .ibo-vdeck-panel.is-entering .ibo-vdeck-info,
  .ibo-vdeck-panel.is-entering .ibo-vdeck-slot,
  .ibo-vdeck-panel.is-entering .ibo-vdeck-empty { animation: none; }
  .ibo-vdeck-chip, .ibo-vdeck-chip-img { transition: none; }
  .ibo-vdeck-wheel { scroll-behavior: auto; }
}

/* ---- スマホ幅: ホイールは横スクロールのまま小さく、スロットは縦積み */
@media (max-width: 599px) {
  .ibo-vdeck { --vd-chip-w: 140px; }
  .ibo-vdeck-wheel { gap: 10px; padding: 18px 0 12px; }
  .ibo-vdeck-arrow { width: 30px; height: 46px; }
  .ibo-vdeck-arrow svg { width: 22px; height: 22px; }
  .ibo-vdeck-name { font-size: 1.15rem; }
  .ibo-vdeck-slots { grid-template-columns: 1fr; gap: 12px; }
  .ibo-vdeck-playall { width: 100%; justify-content: center; }
}

/* ---- ダーク配色 */
@media (prefers-color-scheme: dark) {
  .ibo-vdeck { --vd-glow: 0 0 0 3px #111, 0 0 0 5px #fff, 0 10px 26px rgba(0, 0, 0, .5); }
}
body.-dark .ibo-vdeck,
html[data-theme="dark"] .ibo-vdeck {
  --vd-glow: 0 0 0 3px #111, 0 0 0 5px #fff, 0 10px 26px rgba(0, 0, 0, .5);
}