:root {
  --gh-text: #ffffff;
  --gh-text-dim: #d1b3ff;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at 50% 30%, #31115e 0%, #11002b 50%, #050014 100%);
  color: var(--gh-text);
  font-family: "Hiragino Sans", "Yu Gothic", "Helvetica Neue", Arial, sans-serif;
  overflow-x: hidden;
  position: relative;
}

/* -----------------------------
   言語切替の表示制御
   ----------------------------- */
body[data-lang="ja"] .lang-en { display: none; }
body[data-lang="en"] .lang-ja { display: none; }

/* =====================================================
   背景演出：光の筋
   ===================================================== */
.gh-light-rays {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  overflow: hidden; pointer-events: none; z-index: 1;
}
.gh-ray {
  position: absolute; bottom: -10%; width: 120px; height: 140%;
  background: linear-gradient(to top, rgba(255,255,255,0.3) 0%, rgba(180,100,255,0.2) 40%, transparent 90%);
  filter: blur(20px); transform-origin: bottom center; mix-blend-mode: screen;
}
.gh-ray--l1 { left: 10%; animation: gh-swing-l1 6s infinite alternate ease-in-out; }
.gh-ray--l2 { left: 25%; animation: gh-swing-l2 8s infinite alternate ease-in-out; background: linear-gradient(to top, rgba(255,255,255,0.25), rgba(255,100,200,0.2) 40%, transparent 90%); }
.gh-ray--r1 { right: 10%; animation: gh-swing-r1 6.5s infinite alternate ease-in-out; }
.gh-ray--r2 { right: 25%; animation: gh-swing-r2 8.5s infinite alternate ease-in-out; background: linear-gradient(to top, rgba(255,255,255,0.25), rgba(0,242,254,0.2) 40%, transparent 90%); }

@keyframes gh-swing-l1 { 0% { transform: rotate(-25deg); opacity: 0.3; } 100% { transform: rotate(10deg); opacity: 0.7; } }
@keyframes gh-swing-l2 { 0% { transform: rotate(-15deg); opacity: 0.5; } 100% { transform: rotate(20deg); opacity: 0.2; } }
@keyframes gh-swing-r1 { 0% { transform: rotate(25deg); opacity: 0.3; } 100% { transform: rotate(-10deg); opacity: 0.7; } }
@keyframes gh-swing-r2 { 0% { transform: rotate(15deg); opacity: 0.5; } 100% { transform: rotate(-20deg); opacity: 0.2; } }

/* =====================================================
   背景演出：キラキラ星
   ===================================================== */
.gh-stars {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 2;
}
.gh-star {
  position: absolute; width: 16px; height: 16px; opacity: 0;
  animation: gh-sparkle 3s infinite ease-in-out;
}
.gh-star::before, .gh-star::after {
  content: ""; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: #fff; border-radius: 50%;
  box-shadow: 0 0 10px #fff, 0 0 15px #e0a0ff;
}
.gh-star::before { width: 100%; height: 2px; }
.gh-star::after { width: 2px; height: 100%; }

.gh-star--1 { top: 12%; left: 15%; animation-delay: 0s; }
.gh-star--2 { top: 20%; right: 18%; animation-delay: 0.8s; }
.gh-star--3 { top: 40%; left: 10%; animation-delay: 1.5s; }
.gh-star--4 { top: 50%; right: 12%; animation-delay: 0.3s; }
.gh-star--5 { top: 15%; left: 35%; animation-delay: 2.1s; }
.gh-star--6 { top: 28%; right: 32%; animation-delay: 1.1s; }
.gh-star--7 { top: 65%; left: 18%; animation-delay: 0.5s; }
.gh-star--8 { top: 70%; right: 20%; animation-delay: 1.8s; }

@keyframes gh-sparkle {
  0% { transform: scale(0) rotate(0deg); opacity: 0; }
  50% { transform: scale(1.2) rotate(90deg); opacity: 1; }
  100% { transform: scale(0) rotate(180deg); opacity: 0; }
}

/* =====================================================
   背景演出：ネオン電飾（ヤシの木・ハート・フラミンゴ・スワン）
   ===================================================== */
.gh-neon-decor {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 3;
}
.gh-neon-item { position: absolute; animation: gh-float-neon 4s infinite alternate ease-in-out; }
.gh-neon-item--palm { top: 80px; left: 4%; width: 90px; filter: drop-shadow(0 0 8px #00ffcc) drop-shadow(0 0 20px #00ffcc); animation-delay: 0s; }
.gh-neon-item--heart { top: 100px; right: 5%; width: 75px; filter: drop-shadow(0 0 8px #ff007f) drop-shadow(0 0 20px #ff007f); animation-delay: 0.8s; }
.gh-neon-item--flamingo { top: 380px; left: 5%; width: 80px; filter: drop-shadow(0 0 8px #ff00bf) drop-shadow(0 0 18px #ff00bf); animation-delay: 1.5s; }
.gh-neon-item--swan { top: 400px; right: 6%; width: 85px; filter: drop-shadow(0 0 8px #00f2fe) drop-shadow(0 0 18px #00f2fe); animation-delay: 2.2s; }

@keyframes gh-float-neon {
  0% { transform: translateY(0) rotate(-2deg); }
  100% { transform: translateY(-10px) rotate(2deg); }
}

@media (max-width: 700px) {
  .gh-neon-item { transform: scale(0.6); }
  .gh-neon-item--palm { left: 1%; }
  .gh-neon-item--heart { right: 1%; }
  .gh-neon-item--flamingo { left: 1%; top: 300px; }
  .gh-neon-item--swan { right: 1%; top: 320px; }
}

/* =====================================================
   背景演出：光る噴水
   ===================================================== */
.gh-fountain {
  position: fixed; bottom: 0; left: 0; width: 100%; height: 350px;
  pointer-events: none; z-index: 4;
  display: flex; justify-content: space-around; align-items: flex-end;
}
.gh-fountain__stream {
  width: 25px; height: 0;
  background: linear-gradient(to top, rgba(0,242,254,0.9), rgba(255,0,200,0.8), transparent);
  border-radius: 50% 50% 0 0;
  filter: blur(4px) drop-shadow(0 0 15px #00f2fe);
  opacity: 0; transition: all 0.5s ease-out;
}
.gh-fountain-active .gh-fountain__stream { opacity: 1; animation: gh-shoot-fountain 3s ease-in-out; }

@keyframes gh-shoot-fountain {
  0% { height: 0; transform: scaleX(1); }
  30% { height: 320px; transform: scaleX(1.8); }
  70% { height: 280px; transform: scaleX(1.3); }
  100% { height: 0; transform: scaleX(0.5); opacity: 0; }
}

/* =====================================================
   背景演出：花火（Canvas）
   ===================================================== */
.gh-firework-canvas {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 5;
}

/* =====================================================
   背景演出：流れ星
   ===================================================== */
.gh-shooting-star {
  position: fixed; top: 0; left: 50%; width: 120px; height: 2px;
  background: linear-gradient(90deg, #fff, rgba(255,255,255,0));
  filter: drop-shadow(0 0 6px #fff);
  transform: rotate(-35deg) translateX(0);
  opacity: 0; pointer-events: none; z-index: 2;
}
.gh-shooting-star.gh-star-active { animation: gh-shooting 1.2s ease-out; }

@keyframes gh-shooting {
  0% { transform: rotate(-35deg) translateX(0); opacity: 1; }
  100% { transform: rotate(-35deg) translateX(-600px); opacity: 0; }
}

/* =====================================================
   全体レイアウト（iframeでフルワイド表示）
   ===================================================== */
.gh-hall {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  box-sizing: border-box;
}

/* -----------------------------
   ヘッダー
   ----------------------------- */
.gh-header {
  width: 100%;
  text-align: center;
  padding: 20px 0 8px;
  position: relative;
}

.gh-title-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-bottom: 5px;
  flex-wrap: wrap;
}

.gh-main-title {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 900;
  margin: 0;
  letter-spacing: 2px;
  color: #fff;
  text-shadow: 0 0 5px #fff, 0 0 12px #e080ff, 0 0 25px #a000ff, 0 0 50px #00f2fe;
  animation: gh-neon-glow 2.5s ease-in-out infinite alternate;
}

@keyframes gh-neon-glow {
  from { text-shadow: 0 0 5px #fff, 0 0 12px #e080ff, 0 0 25px #a000ff; }
  to   { text-shadow: 0 0 10px #fff, 0 0 18px #00f2fe, 0 0 35px #00f2fe; }
}

/* 回転ミラーボール */
.gh-mirror-ball-container {
  position: relative;
  width: 55px; height: 55px;
  display: flex; align-items: center; justify-content: center;
}
.gh-mirror-ball-wire {
  position: absolute; top: -40px; left: 50%; width: 2px; height: 40px;
  background: rgba(255,255,255,0.5);
  transform: translateX(-50%);
}
.gh-mirror-ball {
  width: 48px; height: 48px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #ffffff 0%, #b0c4de 40%, #4682b4 70%, #111 100%);
  box-shadow: 0 0 15px #fff, 0 0 25px #00f2fe, inset 0 0 10px rgba(255,255,255,0.8);
  position: relative;
  overflow: hidden;
  animation: gh-rotate-ball var(--gh-mirrorball-speed, 4s) linear infinite;
  will-change: transform;
}
.gh-mirror-ball::before {
  content: "";
  position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background-image:
    linear-gradient(0deg, transparent 45%, rgba(255,255,255,0.7) 50%, transparent 55%),
    linear-gradient(90deg, transparent 45%, rgba(255,255,255,0.7) 50%, transparent 55%);
  background-size: 8px 8px;
  animation: gh-mesh-glitter 2s linear infinite;
}
@keyframes gh-rotate-ball { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes gh-mesh-glitter { 0% { opacity: 0.6; transform: scale(1); } 50% { opacity: 1; transform: scale(1.05); } 100% { opacity: 0.6; transform: scale(1); } }

/* ルビ付きサブタイトル */
.gh-subtitle {
  font-size: 1.1rem;
  color: var(--gh-text-dim);
  margin: 10px 0 24px;
  font-weight: bold;
  letter-spacing: 1px;
}
.gh-subtitle ruby { ruby-position: over; }
.gh-subtitle rt { font-size: 0.6em; color: #ff99dd; text-shadow: 0 0 5px #ff007f; }

/* -----------------------------
   サムネ行（上段・下段）
   ----------------------------- */
.gh-thumb-row {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
  width: 100%;
}

.gh-thumb {
  flex: 0 0 auto;
  width: 84px;
  height: 84px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 10px;
  overflow: hidden;
  background: #000;
  cursor: pointer;
  scroll-snap-align: start;
  transform: translate3d(0,0,0);
  box-shadow: 0 0 0 rgba(0,242,254,0);
  transition: box-shadow 0.2s;
}

.gh-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gh-thumb.is-active {
  border-color: #00f2fe;
  box-shadow: 0 0 12px rgba(0,242,254,0.7);
}

/* 待機中の「生き物感」演出（sway.js がCSS変数とクラスを注入する。
   ゆらゆら/軽く跳ねるの2パターン）。
   Phase2-Bのレーン移動は .gh-thumb（本体）の transform を使うため、
   この演出は .gh-thumb__sway という内部ラッパーの transform に適用し、
   レーン移動と競合しないようにしている。
     親(.gh-thumb)     = レーン移動用のtransform（lane-loop.jsが制御）
     子(.gh-thumb__sway) = 揺れ・跳ね・回転用のtransform（このCSSが制御） */
.gh-thumb__sway {
  display: block;
  width: 100%;
  height: 100%;
}
.gh-thumb__sway.is-swaying {
  animation: gh-sway var(--gh-sway-duration, 3s) ease-in-out var(--gh-sway-delay, 0s) infinite;
}
.gh-thumb__sway.is-bouncing {
  animation: gh-bounce var(--gh-sway-duration, 2.4s) cubic-bezier(0.34, 1.56, 0.64, 1) var(--gh-sway-delay, 0s) infinite;
}

@keyframes gh-sway {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(0deg); }
  50% { transform: translate3d(var(--gh-sway-x, 2px), calc(var(--gh-sway-y, 3px) * -1), 0) rotate(var(--gh-sway-rotation, 1deg)); }
}
@keyframes gh-bounce {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(0deg); }
  30% { transform: translate3d(var(--gh-sway-x, 2px), var(--gh-sway-y, -6px), 0) rotate(var(--gh-sway-rotation, 1deg)); }
  60% { transform: translate3d(calc(var(--gh-sway-x, 2px) * -1), 2px, 0) rotate(calc(var(--gh-sway-rotation, 1deg) * -1)); }
}

/* -----------------------------
   Phase2-B：レーン周回演出＋矢印ボタン
   ----------------------------- */
.gh-lane-viewport {
  position: relative;
  width: 100%;
}

/* レーン周回演出が有効な間、サムネ行は横スクロールをやめて
   絶対配置の子要素をJS側（lane-loop.js）で動かす土台になる。
   高さは元のサムネサイズに固定し、レイアウトが潰れないようにする。 */
.gh-thumb-row.gh-lane-active {
  position: relative;
  overflow: visible;
  scroll-snap-type: none;
  touch-action: pan-y;
  height: 84px;
}

.gh-thumb.gh-lane-thumb {
  position: absolute;
  top: 0;
  left: 0;
  will-change: transform;
}

@media (max-width: 480px) {
  .gh-thumb-row.gh-lane-active { height: 68px; }
}

/* 矢印ボタン（ダンスフロア左右） */
.gh-lane-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(20, 5, 40, 0.55);
  color: #fff;
  font-size: 1.3rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 0 12px rgba(160, 0, 255, 0.5), 0 0 4px rgba(0, 242, 254, 0.6);
  backdrop-filter: blur(3px);
  user-select: none;
  touch-action: none;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.gh-lane-arrow:hover {
  box-shadow: 0 0 18px rgba(160, 0, 255, 0.8), 0 0 8px rgba(0, 242, 254, 0.8);
}
.gh-lane-arrow:active {
  transform: translateY(-50%) scale(0.92);
}
.gh-lane-arrow--left { left: -6px; }
.gh-lane-arrow--right { right: -6px; }

@media (max-width: 700px) {
  .gh-lane-arrow--left { left: 2px; }
  .gh-lane-arrow--right { right: 2px; }
}

/* スクリーンリーダー用の説明テキスト（矢印ボタンのラベル） */
.gh-sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* -----------------------------
   ダンスフロア＋中央ステージ（16:9）
   ----------------------------- */
.gh-stage-wrapper {
  position: relative;
  width: 100%;
  max-width: 720px;
  margin: 10px auto 20px;
  perspective: 700px;
}

.gh-disco-stage {
  position: relative;
  background: rgba(10, 5, 25, 0.7);
  border: 3px solid rgba(220, 150, 255, 0.4);
  border-radius: 20px;
  padding: 12px;
  box-shadow: 0 0 35px rgba(160, 0, 255, 0.3);
  overflow: hidden;
  backdrop-filter: blur(5px);
}

.gh-floor-grid {
  position: absolute;
  inset: 12px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 4px;
  border-radius: 10px;
  overflow: hidden;
  z-index: 0;
  opacity: 0.55;
}
.gh-tile { border-radius: 4px; animation: gh-flash-tile 2s infinite alternate ease-in-out; }
.gh-tile:nth-child(4n+1) { background-color: #ff0080; animation-delay: 0.1s; }
.gh-tile:nth-child(4n+2) { background-color: #00f2fe; animation-delay: 0.6s; }
.gh-tile:nth-child(4n+3) { background-color: #9d00ff; animation-delay: 0.3s; }
.gh-tile:nth-child(4n+0) { background-color: #ffcc00; animation-delay: 0.8s; }

@keyframes gh-flash-tile { 0% { filter: brightness(0.25); } 100% { filter: brightness(1.1); } }

.gh-stage {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  /* 何も選ばれていない間は16:9でダンスフロアらしい面積を保つ。
     GIF表示中はGIF本来の縦横比に合わせて枠のサイズ自体を可変にする
     （縦長/正方形GIFが上下左右で切れないように）。 */
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  /* 元は暗いグラデーション背景でダンスフロア(gh-floor-grid)が隠れていた。
     透明化して、光るタイルが常に見えるようにする */
  background: transparent;
}

/* GIFが表示されている間は、固定16:9をやめてGIF本来の比率に追従させる */
.gh-stage:has(.gh-stage__gif:not([hidden])) {
  aspect-ratio: auto;
}

/* Phase3：サムネ→GIF変身演出中は、ゴースト到着まで中身を隠しておく。
   箱のサイズ（GIF比率への追従）も、見えない間に変わってレーン下段の
   位置がガクッと動かないよう、演出中だけ16:9に固定する。 */
.gh-stage.gh-transition-locked {
  aspect-ratio: 16 / 9 !important;
}

.gh-stage__inner {
  transition: opacity 0.12s ease;
}
.gh-stage__inner.gh-transition-pending {
  opacity: 0;
  pointer-events: none;
}

.gh-stage__inner {
  text-align: center;
  width: 100%;
  padding: 16px;
  box-sizing: border-box;
}

.gh-stage__empty {
  color: var(--gh-text-dim);
  font-size: 14px;
  line-height: 1.6;
  text-shadow: 0 0 6px rgba(0,0,0,0.6);
}

.gh-stage__gif {
  /* GIF本来の縦横比のまま、切れずに全体を表示する。
     width/height はauto、max-width/max-heightで画面内に収める。 */
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 10px;
  display: block;
  margin: 0 auto 12px;
  background: transparent;
  box-shadow: none;
  animation: gh-stage-fade-in 0.4s ease-out;
}

/* hidden属性が確実に効くようにする（同名クラスのdisplay:blockに
   打ち消されて、GIF未選択時にプレースホルダー的な表示が
   出てしまっていたための修正） */
.gh-stage__gif[hidden] {
  display: none;
}

@keyframes gh-stage-fade-in {
  from { opacity: 0; transform: scale(0.96) translate3d(0,0,0); }
  to   { opacity: 1; transform: scale(1) translate3d(0,0,0); }
}

.gh-stage__title {
  margin: 0 0 6px;
  font-size: 18px;
  text-shadow: 0 0 8px rgba(224,128,255,0.6);
}

.gh-stage__caption {
  margin: 0 0 12px;
  color: var(--gh-text);
  font-size: 13px;
  line-height: 1.6;
  text-shadow: 0 0 6px rgba(0,0,0,0.6);
}

/* 日本語キャプションのみ行間を広めに指定（ルビ表示時の読みやすさのため） */
body[data-lang="ja"] .gh-stage__caption {
  line-height: 2.8;
}

/* VIPルームボタン（YouTube導線） */
.gh-stage__youtube {
  display: inline-block;
  text-decoration: none;
  background: linear-gradient(45deg, #a000ff, #ff007f);
  color: #fff;
  border: none;
  padding: 10px 28px;
  font-size: 0.9rem;
  font-weight: bold;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(160, 0, 255, 0.5);
  transition: all 0.3s ease;
  letter-spacing: 1px;
}
.gh-stage__youtube:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 6px 25px rgba(0, 242, 254, 0.7);
  background: linear-gradient(45deg, #ff007f, #00f2fe);
}

/* -----------------------------
   フッター
   ----------------------------- */
.gh-footer {
  width: 100%;
  text-align: center;
  padding: 14px;
  font-size: 12px;
  color: var(--gh-text-dim);
}

/* -----------------------------
   スマホ対応
   ----------------------------- */
@media (max-width: 480px) {
  .gh-thumb { width: 68px; height: 68px; }
  .gh-stage__gif { max-width: 100%; }
}


/* -----------------------------
   Phase3：サムネ→GIF変身演出のゴースト
   ----------------------------- */
.gh-fly-layer {
  position: fixed;
  inset: 0;
  z-index: 500;
  pointer-events: none;
}

.gh-fly-ghost {
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 10px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 0 20px rgba(0,242,254,0.4);
  will-change: transform, opacity;
}
.gh-fly-ghost img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* 表示中GIFがその場でフェードアウトする方のゴースト（移動しない） */
.gh-fly-ghost--static {
  box-shadow: none;
}



/* -----------------------------
   DJキャラクター（ダンスフロア脇の演出。クリック等の機能は持たない）
   ----------------------------- */
.gh-dj-dock {
  position: absolute;
  top: 50%;
  right: -96px;
  transform: translateY(-50%);
  width: 110px;
  pointer-events: none;
  z-index: 4; /* ダンスフロア(z-index:1)より前面、演出のゴースト層(z-index:500)より奥 */
}

.gh-dj-dock__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 630;
  object-fit: contain;
  filter: drop-shadow(0 0 14px rgba(160, 0, 255, 0.35));
  transform-origin: 50% 85%; /* 足元あたりを軸に揺れているように見せる */
  animation: gh-dj-groove 2.6s ease-in-out infinite;
}

/* 上下・回転・左右のゆれを不規則な間隔で混ぜ、機械的に見えないようにする */
@keyframes gh-dj-groove {
  0%   { transform: translate(0,   0)   rotate(0deg); }
  9%   { transform: translate(1px, -4px) rotate(-2deg); }
  20%  { transform: translate(-1px, 1px) rotate(1.5deg); }
  33%  { transform: translate(2px, -6px) rotate(-3deg); }
  47%  { transform: translate(-2px, 0)   rotate(2deg); }
  60%  { transform: translate(1px, -3px) rotate(-1.5deg); }
  72%  { transform: translate(-1px, 2px) rotate(2.5deg); }
  85%  { transform: translate(2px, -5px) rotate(-2deg); }
  100% { transform: translate(0,   0)   rotate(0deg); }
}

/* 横に置く余白が少なめの画面幅では、少し小さくして詰める */
@media (max-width: 1200px) {
  .gh-dj-dock { right: -74px; width: 90px; }
}

/* サムネレーンやダンスフロアと重ならない横幅の余白が取れない画面幅では、
   フロアの外に出さず、ステージ内側の右上に小さく置く */
@media (max-width: 960px) {
  .gh-dj-dock {
    top: 10px;
    right: 10px;
    transform: none;
    width: 56px;
    z-index: 3;
  }
  .gh-dj-dock__img {
    filter: drop-shadow(0 0 8px rgba(160, 0, 255, 0.35));
  }
}

@media (max-width: 480px) {
  .gh-dj-dock { width: 46px; top: 8px; right: 8px; }
}