/* ============================================================
   YOHAKU studio — Scale Guide Stylesheet
   ============================================================ */

/* ─── Hero Section ─────────────────────────────────────────── */
.scale-hero {
  padding: calc(var(--space-xl) + 2rem) 0 var(--space-md);
  text-align: center;
  position: relative;
  border-bottom: 1px solid var(--gray-200);
  background: linear-gradient(180deg, rgba(240, 239, 237, 0.4) 0%, rgba(248, 248, 246, 1) 100%);
}

.scale-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-600);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  margin-bottom: 1.2rem;
}

.scale-hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2a2a2a;
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 0.4; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.2); }
}

.scale-hero__title {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}

.scale-hero__subtitle {
  font-size: clamp(0.9rem, 1.8vw, 1.05rem);
  color: var(--gray-600);
  max-width: 680px;
  margin: 0 auto 1.5rem;
  line-height: 1.8;
}

.scale-hero__notes {
  display: flex;
  justify-content: center;
  gap: 2rem;
  font-size: 0.8rem;
  color: var(--gray-400);
  letter-spacing: 0.05em;
  flex-wrap: wrap;
}

.scale-hero__notes span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* ─── Toolbar & Controls ───────────────────────────────────── */
.scale-controls-wrap {
  position: sticky;
  top: 72px;
  z-index: 50;
  background: rgba(248, 248, 246, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  padding: 1rem 0;
  transition: box-shadow var(--transition);
}

.scale-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.scale-tabs {
  display: inline-flex;
  background: var(--gray-100);
  padding: 3px;
  border-radius: 6px;
  border: 1px solid var(--gray-200);
}

.scale-tab-btn {
  padding: 0.45rem 1.1rem;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--gray-600);
  border-radius: 4px;
  transition: all 0.25s ease;
  font-weight: 400;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.scale-tab-btn.active {
  background: var(--black);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.scale-toggles {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.scale-toggle-label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--gray-600);
  text-transform: uppercase;
  font-weight: 500;
}

.object-chip {
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
  border: 1px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-600);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.25s ease;
  cursor: pointer;
  user-select: none;
}

.object-chip:hover {
  border-color: var(--black);
  color: var(--black);
}

.object-chip.active {
  background: #1f1f1f;
  color: #fff;
  border-color: #1f1f1f;
}

.scale-zoom {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.zoom-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-800);
  border-radius: 4px;
  font-size: 0.95rem;
  transition: all 0.2s;
}

.zoom-btn:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.zoom-val {
  font-size: 0.78rem;
  min-width: 44px;
  text-align: center;
  color: var(--gray-600);
  font-variant-numeric: tabular-nums;
}

/* ─── Main Stage Section ───────────────────────────────────── */
.scale-stage-section {
  padding: var(--space-lg) 0 var(--space-xl);
  overflow: hidden;
  background: #f5f5f3;
}

.scale-stage-outer {
  position: relative;
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 2rem;
  scrollbar-width: thin;
  scrollbar-color: var(--gray-400) transparent;
}

.scale-stage-outer::-webkit-scrollbar {
  height: 6px;
}
.scale-stage-outer::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 3px;
}

.scale-stage {
  position: relative;
  width: max-content;
  min-width: 100%;
  margin: 0;
  padding: 50px 60px 20px 0;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  transform-origin: bottom left;
  box-sizing: border-box;
}

/* ─── Background Ruler & Grid ──────────────────────────────── */
.scale-ruler-grid {
  position: absolute;
  top: 50px;
  left: 80px;
  right: 0;
  bottom: 200px; /* グラウンドライン（0cm）の位置に合わせる */
  pointer-events: none;
}

.scale-grid-line {
  position: absolute;
  left: 0;
  right: 0;
  width: 100%;
  border-top: 1px dashed rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
}

.scale-grid-line.major {
  border-top: 1px solid rgba(0, 0, 0, 0.22);
}

.scale-grid-line.highlight-5 {
  border-top: 1.5px dashed rgba(200, 160, 40, 0.7);
}

.scale-grid-line.highlight-9 {
  border-top: 1.5px dashed rgba(160, 120, 70, 0.7);
}

.scale-grid-line.highlight-12 {
  border-top: 1.5px dashed rgba(60, 110, 150, 0.7);
}

.scale-grid-line.highlight-13 {
  border-top: 1.5px dashed rgba(150, 70, 120, 0.7);
}

.scale-grid-line.highlight-16 {
  border-top: 1.5px dashed rgba(40, 120, 100, 0.7);
}

.scale-grid-line.highlight-20 {
  border-top: 1.5px dashed rgba(190, 60, 40, 0.7);
}

.scale-ruler-axis {
  position: absolute;
  left: 0;
  top: 50px;
  bottom: 200px; /* グラウンドライン（0cm）の位置に合わせる */
  width: 80px;
  border-right: 1.5px solid var(--black);
  pointer-events: none;
  z-index: 25;
  background: linear-gradient(90deg, #f5f5f3 85%, rgba(245, 245, 243, 0) 100%);
}

.scale-ruler-mark {
  position: absolute;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--gray-600);
  font-variant-numeric: tabular-nums;
  transform: translateY(50%);
  padding-right: 8px;
}

.scale-ruler-mark::after {
  content: '';
  width: 8px;
  height: 1px;
  background: var(--black);
}

.scale-ruler-mark.major {
  font-weight: 600;
  color: var(--black);
}
.scale-ruler-mark.major::after {
  width: 14px;
  height: 1.5px;
}

/* ─── Ground Base Line ─────────────────────────────────────── */
.scale-ground {
  position: absolute;
  left: 0;
  right: 0;
  width: 100%;
  bottom: 200px; /* ここが 0cm ベースライン */
  height: 3px;
  background: var(--black);
  z-index: 5;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.15);
}

.scale-ground__label {
  position: absolute;
  top: -22px;
  left: 12px;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: var(--black);
  background: rgba(245, 245, 243, 0.95);
  padding: 2px 6px;
  border-radius: 3px;
  text-transform: uppercase;
  font-weight: 600;
  border: 1px solid rgba(0, 0, 0, 0.1);
  z-index: 26;
}

.scale-ground__gradient {
  position: absolute;
  top: 3px;
  left: 0;
  right: 0;
  height: 24px;
  background: linear-gradient(180deg, rgba(10, 10, 10, 0.06) 0%, rgba(10, 10, 10, 0) 100%);
  pointer-events: none;
}

/* ─── Lineup Row & Items ───────────────────────────────────── */
.scale-items-row {
  display: inline-flex;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 2.8rem;
  position: relative;
  z-index: 10;
  padding: 0 140px 0 120px; /* 左右両端に余裕を持たせ、ルーラーと最後の作品が綺麗に見える */
  min-width: max-content;
}

.scale-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  cursor: pointer;
  animation: scaleItemFadeIn 0.5s ease backwards;
}

@keyframes scaleItemFadeIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* フィギュア表示ステージ（上部・底揃えでグラウンドラインにぴったり接地） */
.scale-item__stage {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  position: relative;
  width: 100%;
}

.scale-item__figure {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.scale-item:hover .scale-item__figure {
  transform: translateY(-6px);
}

/* Height Tag at top of item */
.scale-item__height-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.6rem;
  background: var(--black);
  color: var(--white);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: 4px;
  margin-bottom: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  white-space: nowrap;
  position: relative;
  z-index: 2;
}

.scale-item__height-tag::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 4px 4px 0;
  border-style: solid;
  border-color: var(--black) transparent transparent;
}

/* ─── Grid Line Labels ──────────────────────────────────────── */
.scale-grid-label {
  position: absolute;
  right: 24px;
  top: -18px;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  font-weight: 500;
  color: var(--gray-600);
  background: rgba(245, 245, 243, 0.92);
  padding: 1px 8px;
  border-radius: 4px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  pointer-events: none;
}

.scale-grid-label-dim {
  position: absolute;
  right: 24px;
  top: -14px;
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  color: var(--gray-400);
  background: rgba(245, 245, 243, 0.85);
  padding: 0 4px;
  pointer-events: none;
}

/* Picture Frame & Cutout Wrap (Height is scaled in px) */
.scale-item__cutout-wrap {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* 接地シャドウ（フィギュアの足元に自然に落ちる楕円の影） */
.scale-item__figure::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 15%;
  right: 15%;
  height: 8px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.32) 0%, rgba(0, 0, 0, 0) 70%);
  pointer-events: none;
  z-index: 1;
}

.scale-item:hover .scale-item__cutout-wrap {
  transform: translateY(-4px) scale(1.03);
}

.scale-item__cutout-img {
  height: 100%;
  width: auto;
  max-width: none;
  object-fit: contain;
  object-position: bottom center;
  display: block;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.2)) drop-shadow(0 2px 4px rgba(0, 0, 0, 0.12));
  transition: filter 0.3s ease;
}

.scale-item:hover .scale-item__cutout-img {
  filter: drop-shadow(0 12px 20px rgba(0, 0, 0, 0.28)) drop-shadow(0 4px 8px rgba(0, 0, 0, 0.18));
}

/* Spec info card under ground line */
.scale-item__info {
  height: 200px; /* グラウンドライン下の領域高さ */
  padding-top: 16px;
  text-align: center;
  width: 100%;
  max-width: 150px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.scale-item__artist {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 2px;
}

.scale-item__name {
  font-size: 0.88rem;
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 4px;
  color: var(--black);
}

.scale-item__spec {
  font-size: 0.72rem;
  color: var(--gray-600);
  margin-bottom: 4px;
}

.scale-item__price {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 8px;
}

.scale-item__btn {
  padding: 0.4rem 0.75rem;
  font-size: 0.72rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 4px;
  background: var(--black);
  color: var(--white);
  border: 1px solid var(--black);
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: auto;
  margin-bottom: 12px;
}

.scale-item__btn:hover {
  background: #333;
  transform: translateY(-1px);
}
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--black);
  color: var(--white);
  border: 1px solid var(--black);
  border-radius: 3px;
  width: 100%;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
}

.scale-item__btn:hover {
  background: var(--white);
  color: var(--black);
}

/* ─── Everyday Reference Objects ───────────────────────────── */
.scale-object {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 9;
  opacity: 0.85;
  transition: all 0.35s ease;
}

.scale-object__tag {
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.5rem;
  background: #333;
  color: #fff;
  border-radius: 3px;
  margin-bottom: 6px;
  white-space: nowrap;
}

.scale-object__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(220, 218, 215, 0.4);
  border: 1.5px dashed var(--gray-400);
  border-radius: 6px 6px 0 0;
  transition: all 0.3s;
}

.scale-object:hover {
  opacity: 1;
}

.scale-object:hover .scale-object__visual {
  border-color: var(--black);
  background: rgba(200, 198, 195, 0.6);
}

.scale-object__svg {
  width: 70%;
  height: 70%;
  opacity: 0.65;
}

.scale-object__info {
  margin-top: 16px;
  text-align: center;
  font-size: 0.72rem;
  color: var(--gray-600);
  max-width: 100px;
}

/* ─── Dual Compare View (Side-by-Side Slot) ─────────────────── */
.scale-dual-view {
  display: none;
  padding: var(--space-lg) 0;
}

.scale-dual-view.active {
  display: block;
}

.dual-selector-row {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.dual-select-box {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 240px;
  flex: 1 1 240px;
  max-width: 340px;
}

.dual-select-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-600);
  font-weight: 500;
}

.dual-select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--gray-200);
  background: var(--white);
  font-size: 0.85rem;
  border-radius: 4px;
  font-family: inherit;
  color: var(--black);
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s ease;
}

.dual-select:focus {
  border-color: var(--black);
}

.dual-vs {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--gray-400);
  padding: 0 0.2rem;
  align-self: center;
  margin-bottom: 0.2rem;
  user-select: none;
}

.dual-stage-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  padding: var(--space-md);
  max-width: 860px;
  margin: 0 auto;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.04);
}

.dual-stage-visual {
  position: relative;
  display: flex;
  flex-direction: column;
}

/* 1. フィギュア並びステージ（底揃え） */
.dual-figures-stage {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 3.5rem;
  min-height: 420px;
  padding-bottom: 2px;
}

.dual-figure-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  position: relative;
}

/* 接地シャドウ */
.dual-figure-col::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 10%;
  right: 10%;
  height: 8px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.28) 0%, rgba(0, 0, 0, 0) 70%);
  pointer-events: none;
  z-index: 1;
}

/* 中央高低差インジケーター（フィギュア間） */
.dual-diff-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  align-self: center;
  padding: 0.8rem 1.1rem;
  background: rgba(245, 245, 243, 0.95);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  text-align: center;
  min-width: 100px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
  z-index: 2;
  margin-bottom: 20px;
}

.dual-diff-indicator__title {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--gray-600);
  text-transform: uppercase;
  margin-bottom: 4px;
  font-weight: 500;
}

.dual-diff-indicator__diff {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 400;
  color: var(--black);
  line-height: 1;
}

.dual-diff-indicator__diff small {
  font-size: 0.52em;
  color: var(--gray-600);
  font-family: var(--font-sans);
  margin-left: 2px;
}

.dual-diff-indicator__ratio {
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-top: 5px;
  letter-spacing: 0.02em;
}

/* 2. 地面境界線 (0cm Baseline) */
.dual-ground-line {
  position: relative;
  width: 100%;
  height: 2px;
  background: var(--black);
  margin-top: 0;
  margin-bottom: 1.5rem;
}

.dual-ground-line::after {
  content: '0 cm — BASELINE';
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--gray-600);
  background: var(--white);
  padding: 1px 8px;
  border-radius: 3px;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

/* 3. 情報カード行 (2分割) */
.dual-info-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 1.5rem;
  padding: 0 0.5rem;
}

.dual-info-col {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.dual-info-divider {
  width: 1px;
  background: var(--gray-200);
  align-self: stretch;
}

.dual-diff-banner {
  margin-top: 1.5rem;
  padding: 1.2rem;
  background: var(--gray-100);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 1rem;
  text-align: center;
}

.dual-diff-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.dual-diff-stat__num {
  font-size: 1.8rem;
  font-family: var(--font-serif);
  color: var(--black);
  font-weight: 400;
}

.dual-diff-stat__label {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-600);
}

/* ─── Comparison Specs Table ───────────────────────────────── */
.scale-table-section {
  padding: var(--space-lg) 0 var(--space-xl);
  border-top: 1px solid var(--gray-200);
  background: var(--gray-100);
}

.scale-table-wrap {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.03);
}

.scale-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.scale-table th {
  padding: 1rem 1.2rem;
  background: #f7f6f4;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-600);
  font-weight: 500;
  border-bottom: 1px solid var(--gray-200);
}

.scale-table td {
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-800);
  vertical-align: middle;
}

.scale-table tr:last-child td {
  border-bottom: none;
}

.scale-table tr:hover td {
  background: rgba(240, 239, 237, 0.4);
}

.table-thumb {
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--gray-200);
}

.table-height-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--black);
  color: var(--white);
  border-radius: 3px;
  font-variant-numeric: tabular-nums;
}

.scale-table__disclaimer {
  margin-top: 1.2rem;
  font-size: 0.8rem;
  color: var(--gray-600);
  line-height: 1.7;
  letter-spacing: 0.02em;
  padding: 0.85rem 1.2rem;
  background: rgba(245, 245, 243, 0.9);
  border-left: 3px solid var(--black);
  border-radius: 0 6px 6px 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

/* ─── Responsive Adjustments ───────────────────────────────── */
@media (max-width: 900px) {
  .scale-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }
  .scale-toggles {
    justify-content: flex-start;
  }
  .dual-stage-visual {
    gap: 2.5rem;
  }
}

@media (max-width: 640px) {
  .scale-hero {
    padding: calc(var(--space-xl) - 1rem) 0 var(--space-md);
  }
  .scale-items-row {
    gap: 1.4rem;
  }
  .scale-table th:nth-child(4),
  .scale-table td:nth-child(4) {
    display: none;
  }

  /* ─── Mobile Optimization for Dual Compare View ──────────── */
  .scale-dual-view {
    padding: var(--space-md) 0 var(--space-lg);
    overflow-x: hidden;
  }

  .dual-selector-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: flex-end;
    gap: 0.35rem;
    margin-bottom: 0.85rem;
    width: 100%;
    box-sizing: border-box;
  }

  .dual-select-box {
    min-width: 0;
    max-width: 100%;
    width: 100%;
    gap: 0.2rem;
    overflow: hidden;
    box-sizing: border-box;
  }

  .dual-select-label {
    font-size: 0.65rem;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .dual-select {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    padding: 0.42rem 0.25rem;
    font-size: 0.72rem;
    letter-spacing: -0.01em;
    border-radius: 4px;
    height: 36px;
    text-overflow: ellipsis;
    overflow: hidden;
    box-sizing: border-box;
  }

  .dual-vs {
    font-size: 1.05rem;
    padding: 0 0.1rem;
    margin-bottom: 0.35rem;
    align-self: flex-end;
  }

  .dual-stage-card {
    padding: 1rem 0.75rem 0.85rem;
    border-radius: 8px;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
  }

  /* 1. フィギュア並びステージ (モバイル) */
  .dual-figures-stage {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: end;
    justify-items: center;
    min-height: 165px;
    gap: 0.35rem;
    padding: 0 0.25rem 2px;
    width: 100%;
    box-sizing: border-box;
  }

  .dual-figure-col {
    max-width: 100px;
    width: 100%;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    box-sizing: border-box;
  }

  .dual-figure-col .scale-item__cutout-wrap {
    max-width: 95px;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    box-sizing: border-box;
  }

  .dual-figure-col .scale-item__cutout-img {
    height: 100% !important;
    max-height: 100% !important;
    max-width: 100% !important;
    width: auto !important;
    object-fit: contain !important;
    object-position: bottom center !important;
  }

  .dual-figure-col .scale-item__height-tag {
    font-size: 0.62rem;
    padding: 0.15rem 0.35rem;
    margin-bottom: 4px;
    letter-spacing: 0.02em;
  }

  /* 中央の高低差インジケーター (モバイル) */
  .dual-diff-indicator {
    min-width: 50px;
    max-width: 64px;
    padding: 0.35rem 0.2rem;
    border-radius: 6px;
    align-self: center;
    margin-bottom: 10px;
    flex-shrink: 0;
    box-sizing: border-box;
  }

  .dual-diff-indicator__title {
    font-size: 0.55rem;
    letter-spacing: 0.03em;
    margin-bottom: 2px;
  }

  .dual-diff-indicator__diff {
    font-size: 1.25rem;
    line-height: 1;
  }

  .dual-diff-indicator__diff small {
    font-size: 0.52em;
  }

  .dual-diff-indicator__ratio {
    font-size: 0.58rem;
    margin-top: 2px;
  }

  /* 2. 地面境界線 (モバイル) */
  .dual-ground-line {
    margin-bottom: 0.9rem;
  }

  .dual-ground-line::after {
    font-size: 0.52rem;
    top: -8px;
    padding: 0 5px;
  }

  /* 3. 情報カード行 (モバイル) */
  .dual-info-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    gap: 0.4rem;
    padding: 0;
    width: 100%;
    box-sizing: border-box;
  }

  .dual-info-col {
    gap: 0.2rem;
    min-width: 0;
    overflow: hidden;
  }

  .dual-info-col .scale-item__artist {
    font-size: 0.6rem;
  }

  .dual-info-col .scale-item__name {
    font-size: 0.74rem;
    line-height: 1.25;
    margin-bottom: 2px;
    word-break: break-word;
  }

  .dual-info-col .scale-item__spec {
    font-size: 0.62rem;
    margin-bottom: 2px;
  }

  .dual-info-col .scale-item__price {
    font-size: 0.74rem;
    margin-bottom: 6px;
  }

  .dual-info-col .scale-item__btn {
    font-size: 0.65rem;
    padding: 0.35rem 0.35rem;
    width: 100%;
    justify-content: center;
    gap: 0.2rem;
    box-sizing: border-box;
  }

  /* サマリーバナー (モバイル) */
  .dual-diff-banner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: 0.25rem;
    padding: 0.7rem 0.25rem;
    margin-top: 0.85rem;
    width: 100%;
    box-sizing: border-box;
  }

  .dual-diff-stat {
    min-width: 0;
    overflow: hidden;
  }

  .dual-diff-stat__num {
    font-size: 1.15rem;
  }

  .dual-diff-stat__label {
    font-size: 0.58rem;
    letter-spacing: 0.04em;
    line-height: 1.2;
    margin-top: 2px;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    width: 100%;
    text-align: center;
  }
}