/* ==============================================
   あなたの夜を決める5問 — 福井の酒・感性診断
   visual.md / motion.md / design.md 準拠
   ============================================== */

:root {
  /* ベース空間色 */
  --color-bg:              #0D1B2A;
  --color-surface:         #131E2B;

  /* 設問カード */
  --color-card-left:       #0E2237;
  --color-card-right:      #1C1C1F;
  --color-card-left-end:   #1A2F46;
  --color-card-right-end:  #2D2D2D;

  /* テキスト */
  --color-text:            #E8E4D8;
  --color-text-sub:        #8A8A8A;
  /* QA Major-1 修正: #5A5A5A on #0D1B2A は 2.52:1 で WCAG AA 不合格。
     #9A9A9A に引き上げ → 約 5.6:1 でクリア（visual.md は #9A9A9A をサブテキスト系として既に許容）。 */
  --color-text-dim:        #9A9A9A;

  /* アクセント */
  --color-accent-primary:   #6B7A8D;
  --color-accent-gold:      #B8860B;
  --color-accent-gold-hover:#D4A017;

  /* 装飾 */
  --color-border-card:     rgba(255, 255, 255, 0.10);
  --color-border-line:     rgba(255, 255, 255, 0.15);
  --color-inset-top:       rgba(255, 255, 255, 0.07);

  /* 4タイプ象徴色 */
  --color-type-1:          #C87820;
  --color-type-2:          #8BA8C8;
  --color-type-3:          #D4A060;
  --color-type-4:          #C8A830;

  /* 動的に切替えるタイプ象徴色（JS で書換え） */
  --color-type-active:     var(--color-type-2);

  /* イージング */
  --ease-spring:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-fast:  cubic-bezier(0.4, 0, 1, 1);
  --ease-standard:  cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce:    cubic-bezier(0.34, 1.56, 0.64, 1);

  /* フォント */
  --font-serif: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;
  --font-sans:  'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --font-eng:   'Cormorant Garamond', serif;
}

/* ============================================== */
/* リセット & ベース */
/* ============================================== */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

button { font-family: inherit; cursor: pointer; }
a { color: inherit; }

/* フォーカス */
:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============================================== */
/* ヘッダ／フッタ */
/* ============================================== */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.header-brand {
  font-family: var(--font-eng);
  font-style: italic;
  /* QA Minor-1 修正: 11px → 12px */
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-text-dim);
  text-transform: uppercase;
}

.sound-toggle {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--color-text-sub);
  /* QA Minor-2 修正: 38px → 44px（Apple HIG 最小タップ領域準拠） */
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 200ms var(--ease-standard), color 200ms var(--ease-standard), border-color 200ms var(--ease-standard);
}
.sound-toggle:hover {
  background: rgba(255,255,255,0.06);
  color: var(--color-text);
  border-color: rgba(255,255,255,0.25);
}

.app-main {
  flex: 1;
  display: flex;
  align-items: stretch;
  justify-content: center;
  padding: 0;
}

.app-footer {
  padding: 16px 20px 24px;
  text-align: center;
  color: var(--color-text-dim);
  /* QA Minor-1 修正: 11px → 12px */
  font-size: 12px;
  border-top: 1px solid rgba(255,255,255,0.04);
}

/* ============================================== */
/* スクリーン共通 */
/* ============================================== */

.screen {
  width: 100%;
  min-height: 100%;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 20px;
}
.screen.is-active { display: flex; }
.screen[hidden] { display: none !important; }

/* ============================================== */
/* スタート画面 */
/* ============================================== */

.screen-start {
  background: linear-gradient(180deg, #0A1520 0%, #0D1B2A 40%, #0F1F30 100%);
  position: relative;
  overflow: hidden;
}

/* ヒーロー背景写真（Unsplash: Madeline Liu — black sake bottle） */
.screen-start::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: var(--hero-photo, none);
  background-size: cover;
  background-position: center;
  filter: brightness(0.42) saturate(0.75);
  pointer-events: none;
}
.screen-start::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg,
    rgba(13, 27, 42, 0.55) 0%,
    rgba(13, 27, 42, 0.78) 60%,
    rgba(13, 27, 42, 0.92) 100%);
  pointer-events: none;
}
.screen-start .hero-inner { position: relative; z-index: 1; }

.hero-inner {
  width: 100%;
  max-width: 560px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.hero-sublabel {
  font-family: var(--font-eng);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--color-text-sub);
  text-transform: uppercase;
  opacity: 0;
  animation: fade-in-up 600ms var(--ease-spring) 100ms forwards;
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(24px, 6vw, 36px);
  letter-spacing: 0.05em;
  margin: 0;
  color: var(--color-text);
  opacity: 0;
  animation: title-settle 800ms var(--ease-spring) 300ms forwards;
}

.hero-sub {
  font-family: var(--font-sans);
  font-size: clamp(14px, 3.5vw, 17px);
  color: var(--color-text-sub);
  margin: 0;
  line-height: 1.8;
  opacity: 0;
  animation: fade-in-up 600ms var(--ease-spring) 600ms forwards;
}

.hero-tip {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--color-text-dim);
  line-height: 1.7;
  margin: 4px 0 0;
  opacity: 0;
  animation: fade-in-up 600ms var(--ease-spring) 700ms forwards;
}

.card-preview {
  width: 100%;
  max-width: 360px;
  aspect-ratio: 3 / 1.6;
  margin: 12px 0 4px;
  pointer-events: none;
  opacity: 0;
  transform: translateY(20px);
  animation: fade-in-up 700ms var(--ease-spring) 800ms forwards;
}
.card-preview-inner {
  width: 100%;
  height: 100%;
  display: flex;
  border-radius: 12px;
  border: 1px solid var(--color-border-card);
  box-shadow:
    0 8px 32px rgba(13, 27, 42, 0.5),
    inset 0 1px 0 var(--color-inset-top);
  overflow: hidden;
}
.preview-half {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  font-family: var(--font-serif);
  font-size: 11px;
  color: rgba(232, 228, 216, 0.7);
  text-align: center;
  line-height: 1.5;
}
.preview-left { background: linear-gradient(160deg, var(--color-card-left), var(--color-card-left-end)); }
.preview-right { background: linear-gradient(160deg, var(--color-card-right), var(--color-card-right-end)); }
.preview-divider {
  width: 1px;
  background: var(--color-border-line);
  position: relative;
}
.preview-divider span {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-eng);
  font-style: italic;
  font-size: 11px;
  color: var(--color-text-sub);
  background: var(--color-bg);
  padding: 2px 5px;
  letter-spacing: 0.1em;
}

.hero-notice {
  margin: 12px 0 0;
  /* QA Minor-1 修正: 11px → 12px */
  font-size: 12px;
  color: var(--color-text-sub);
  opacity: 0;
  animation: fade-in 500ms var(--ease-standard) 1200ms forwards;
}
.hero-disclaimer {
  margin: 4px 0 0;
  /* QA Minor-1 修正: 10px → 12px */
  font-size: 12px;
  color: var(--color-text-dim);
  opacity: 0;
  animation: fade-in 500ms var(--ease-standard) 1300ms forwards;
}

/* ============================================== */
/* CTA ボタン共通 */
/* ============================================== */

.cta-primary,
.cta-secondary,
.cta-share,
.btn-retry {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.1em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 6px;
  border: 1px solid transparent;
  transition:
    background-color 200ms var(--ease-standard),
    color 200ms var(--ease-standard),
    border-color 200ms var(--ease-standard),
    transform 200ms var(--ease-bounce),
    box-shadow 200ms var(--ease-standard);
  min-height: 48px;
  user-select: none;
}

.cta-primary {
  background: var(--color-accent-gold);
  color: #1B1306;
  box-shadow: 0 4px 16px rgba(184, 134, 11, 0.25);
  margin-top: 12px;
  width: min(90%, 320px);
}
.cta-primary:hover {
  background: var(--color-accent-gold-hover);
  box-shadow: 0 6px 22px rgba(184, 134, 11, 0.35);
}
.cta-primary:active {
  transform: scale(0.97);
  transition-duration: 80ms;
}
.cta-primary .arrow-icon {
  display: inline-block;
  transition: transform 200ms var(--ease-standard);
}
.cta-primary:hover .arrow-icon { transform: translateX(4px); }

.cta-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-accent-primary);
}
.cta-secondary:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--color-text);
}
.cta-secondary:active { transform: scale(0.97); transition-duration: 80ms; }
.cta-secondary .arrow-icon { transition: transform 200ms var(--ease-standard); }
.cta-secondary:hover .arrow-icon { transform: translateX(4px); }

.cta-share {
  background: transparent;
  color: var(--color-text);
  border-color: rgba(255,255,255,0.25);
}
.cta-share:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.5);
}
.cta-share:active { transform: scale(0.96); transition-duration: 80ms; }

.btn-retry {
  background: transparent;
  color: var(--color-text-sub);
  border: none;
  font-size: 13px;
  text-decoration: underline;
  text-underline-offset: 4px;
  padding: 10px 16px;
  letter-spacing: 0.05em;
}
.btn-retry:hover { color: var(--color-text); }

.cta-block {
  display: flex;
  width: 100%;
}

/* ============================================== */
/* 設問画面 */
/* ============================================== */

.screen-question { background-color: var(--color-bg); }

.question-inner {
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.progress-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}
.progress-dots {
  display: flex;
  gap: 10px;
}
.progress-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid rgba(232,228,216,0.3);
  transition: background-color 300ms var(--ease-spring), border-color 300ms var(--ease-spring), opacity 300ms var(--ease-standard);
}
.progress-dot.is-pending {
  background: transparent;
  border-color: rgba(232,228,216,0.3);
}
.progress-dot.is-active {
  background: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  animation: dot-pulse 1600ms ease-in-out infinite;
}
.progress-dot.is-done {
  background: var(--color-accent-gold);
  border-color: var(--color-accent-gold);
}
.progress-label {
  font-family: var(--font-eng);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--color-text-sub);
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.55; }
}

/* カードステージ */
.card-stage {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  perspective: 1000px;
  min-height: 380px;
}

.card {
  width: min(88vw, 540px);
  height: clamp(340px, 60vh, 520px);
  display: flex;
  border-radius: 14px;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--color-border-card);
  box-shadow:
    0 8px 32px rgba(13, 27, 42, 0.5),
    0 2px 8px  rgba(13, 27, 42, 0.3),
    inset 0 1px 0 var(--color-inset-top);
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}
.card.is-dragging { cursor: grabbing; }
.card.is-entering {
  animation: card-enter 350ms var(--ease-spring) both;
}
.card.is-exiting { pointer-events: none; }

@keyframes card-enter {
  from { opacity: 0; transform: translateY(40px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.card-side {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 24px;
  position: relative;
  text-align: center;
  transition: background-color 150ms var(--ease-standard);
  overflow: hidden;
  isolation: isolate;
}
.card-left {
  background: linear-gradient(160deg, var(--color-card-left) 0%, var(--color-card-left-end) 100%);
}
.card-right {
  background: linear-gradient(160deg, var(--color-card-right) 0%, var(--color-card-right-end) 100%);
}

/* カード背景写真レイヤー（JS で --card-photo を動的セット） */
.card-side::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: var(--card-photo, none);
  background-size: cover;
  background-position: center;
  filter: brightness(var(--card-photo-bri, 0.55)) saturate(var(--card-photo-sat, 0.75));
  transition: filter 200ms var(--ease-standard);
  pointer-events: none;
}
/* カード上の深藍グラデ overlay（テキスト可読性確保） */
.card-side::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg,
    rgba(13, 27, 42, 0.55) 0%,
    rgba(13, 27, 42, 0.72) 50%,
    rgba(13, 27, 42, 0.88) 100%);
  pointer-events: none;
}
/* 左右で overlay の色味を僅差付け（ベース深藍は維持） */
.card-left::after {
  background: linear-gradient(180deg,
    rgba(14, 34, 55, 0.55) 0%,
    rgba(13, 27, 42, 0.72) 50%,
    rgba(13, 27, 42, 0.88) 100%);
}
.card-right::after {
  background: linear-gradient(180deg,
    rgba(28, 28, 31, 0.55) 0%,
    rgba(13, 27, 42, 0.72) 50%,
    rgba(13, 27, 42, 0.88) 100%);
}
/* テキスト・ヒントは overlay 上に */
.card-side .choice-text,
.card-side .swipe-hint { position: relative; z-index: 1; }

/* 閾値到達時はやや写真を明るく */
.card.is-going-left .card-left::before,
.card.is-going-right .card-right::before {
  filter: brightness(calc(var(--card-photo-bri, 0.55) + 0.18)) saturate(calc(var(--card-photo-sat, 0.75) + 0.10));
}

.choice-text {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(15px, 3.6vw, 20px);
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--color-text);
  max-width: 14em;
}

.swipe-hint {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-sans);
  font-size: 11px;
  color: rgba(232,228,216,0.55);
  letter-spacing: 0.15em;
  pointer-events: none;
  white-space: nowrap;
  opacity: 1;
  transition: opacity 300ms var(--ease-standard);
}
.card.no-hints .swipe-hint { opacity: 0; }

.card-divider {
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--color-border-line) 18%,
    var(--color-border-line) 82%,
    transparent
  );
  position: relative;
  flex-shrink: 0;
}
.card-divider span {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-eng);
  font-style: italic;
  font-size: 12px;
  color: var(--color-text-sub);
  background: var(--color-bg);
  padding: 4px 8px;
  letter-spacing: 0.15em;
  border-radius: 2px;
  transition: opacity 100ms var(--ease-standard);
}

/* 閾値到達ハイライト */
.card.is-going-left .card-left {
  background: linear-gradient(160deg, #14304E 0%, #21426A 100%);
}
.card.is-going-right .card-right {
  background: linear-gradient(160deg, #2A2A2D 0%, #3A3A3D 100%);
}
.card.is-threshold-reached .card-divider span { opacity: 0.4; }

/* フォールバックボタン */
.fallback-buttons {
  display: flex;
  gap: 10px;
  width: min(88vw, 540px);
  margin-top: 8px;
}
.btn-choice {
  flex: 1;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.1em;
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(232,228,216,0.25);
  border-radius: 6px;
  padding: 12px 14px;
  min-height: 44px;
  transition:
    background-color 150ms var(--ease-standard),
    border-color 150ms var(--ease-standard),
    transform 80ms var(--ease-standard);
}
.btn-choice:hover {
  background: rgba(232,228,216,0.06);
  border-color: rgba(232,228,216,0.5);
}
.btn-choice:active {
  transform: scale(0.96);
}

.kbd-hint {
  /* QA Minor-1 修正: 11px → 12px */
  font-size: 12px;
  color: var(--color-text-dim);
  margin: 0;
  letter-spacing: 0.1em;
}

/* ============================================== */
/* 計算中画面 */
/* ============================================== */

.screen-calculating {
  background: linear-gradient(180deg, #0D1B2A 0%, #142438 100%);
}
.calculating-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.calculating-main-text {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(18px, 4.5vw, 24px);
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin: 0;
  opacity: 0;
  animation: fade-in-up 600ms var(--ease-spring) 200ms forwards;
}
.calculating-sub-text {
  font-family: var(--font-sans);
  font-size: 13px;
  color: rgba(232,228,216,0.55);
  letter-spacing: 0.05em;
  margin: 0;
  opacity: 0;
  animation: fade-in 500ms var(--ease-standard) 600ms forwards;
}
.calc-dots span {
  display: inline-block;
  animation: dot-blink 1.2s infinite;
}
.calc-dots span:nth-child(2) { animation-delay: 0.2s; }
.calc-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dot-blink {
  0%, 100% { opacity: 1; }
  33%       { opacity: 0.3; }
}

/* ============================================== */
/* 結果画面 */
/* ============================================== */

.screen-result {
  background-color: var(--color-bg);
  padding: 32px 20px 40px;
  position: relative;
  overflow: hidden;
}

/* タイプ別ヒーロー写真背景（4タイプ象徴写真） */
.screen-result::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: var(--type-photo, none);
  background-size: cover;
  background-position: center;
  filter: brightness(0.40) saturate(0.75);
  pointer-events: none;
  opacity: 0;
  transition: opacity 600ms var(--ease-spring);
}
.screen-result.is-active::before { opacity: 1; }

/* タイプ象徴色を僅かに混ぜた overlay */
.screen-result::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg,
    rgba(13, 27, 42, 0.55) 0%,
    var(--type-tint, rgba(139, 168, 200, 0.10)) 45%,
    rgba(13, 27, 42, 0.92) 100%);
  pointer-events: none;
}
.screen-result .result-inner { position: relative; z-index: 1; }

/* ボトルカードはやや透過させ、背景写真と馴染ませる */
.screen-result .bottle-card {
  background: rgba(19, 30, 43, 0.82);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.screen-result .result-action {
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.screen-result .result-age-notice {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.result-inner {
  width: 100%;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.result-head {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: 100%;
}
.result-sublabel {
  font-family: var(--font-eng);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--color-text-sub);
  text-transform: uppercase;
}
.result-icon {
  width: 64px;
  height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-type-active);
  opacity: 0;
  transform: translateY(20px);
  animation: fade-in-up 400ms var(--ease-spring) 200ms forwards;
}
.result-icon svg { width: 100%; height: 100%; }

.result-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(28px, 8vw, 56px);
  letter-spacing: 0.05em;
  line-height: 1.3;
  color: var(--color-text);
  /* QA Minor-7 修正: 古い Safari/Chrome 用に rgba フォールバックを先に置く（同等のグロー）。
     対応ブラウザでは下行の color-mix() が上書きする。 */
  text-shadow: 0 0 40px rgba(139, 168, 200, 0.25);
  text-shadow: 0 0 40px color-mix(in srgb, var(--color-type-active) 25%, transparent);
  margin: 0;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 600ms var(--ease-spring), transform 600ms var(--ease-spring);
}
.result-title.is-visible { opacity: 1; transform: translateY(0); }

.result-desc-wrap {
  text-align: center;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
  opacity: 0;
  transform: translateY(10px);
  animation: fade-in-up 400ms var(--ease-spring) 600ms forwards;
}
.result-desc-head {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-text-sub);
  letter-spacing: 0.15em;
  margin: 0;
}
.result-desc {
  font-family: var(--font-sans);
  font-size: clamp(14px, 3.5vw, 16px);
  line-height: 1.8;
  color: var(--color-text);
  margin: 0;
}
.result-scene {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--color-text-sub);
  margin: 0;
  line-height: 1.7;
}

/* 銘柄エリア */
.result-labels {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
  opacity: 0;
  transform: translateY(10px);
  animation: fade-in-up 400ms var(--ease-spring) 850ms forwards;
}
.result-labels-head {
  font-family: var(--font-eng);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--color-text-sub);
  text-align: center;
  margin: 0;
  text-transform: uppercase;
}
.bottle-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.bottle-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  background: var(--color-surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-left: 2px solid var(--color-type-active);
  border-radius: 8px;
}
.bottle-svg {
  flex-shrink: 0;
  width: 38px;
  height: 110px;
}
.bottle-svg svg { width: 100%; height: 100%; }
.bottle-text { flex: 1; min-width: 0; }
.bottle-name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  margin: 0 0 4px;
  color: var(--color-text);
  letter-spacing: 0.04em;
}
.bottle-class {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--color-accent-primary);
  margin: 0 0 6px;
}
.bottle-feat {
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.7;
  color: var(--color-text-sub);
  margin: 0;
}
.bottle-card.is-sub .bottle-name { font-size: 14px; font-weight: 400; }

.result-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--color-text);
  text-align: center;
  line-height: 1.8;
  margin: 8px 0 0;
}
.result-action {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-text-sub);
  line-height: 1.8;
  padding: 10px 14px;
  border-left: 2px solid var(--color-type-active);
  background: rgba(255,255,255,0.02);
  margin: 0;
}
.result-disclaimer-small {
  /* QA Minor-1 修正: 11px → 12px */
  font-size: 12px;
  color: var(--color-text-dim);
  text-align: center;
  margin: 6px 0 0;
  line-height: 1.7;
}

/* 結果 CTA */
.result-cta-group {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  opacity: 0;
  animation: fade-in 400ms var(--ease-standard) 1000ms forwards;
}

.result-disclaimer {
  /* QA Minor-1 修正: 11px → 12px */
  font-size: 12px;
  color: var(--color-text-dim);
  text-align: center;
  margin: 0;
  line-height: 1.7;
}

/* QA Major-3 修正: 結果画面に20歳以上注記を追加（推奨銘柄ブロック直後に表示） */
.result-age-notice {
  font-size: 12px;
  color: var(--color-text-sub);
  text-align: center;
  margin: 0;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  line-height: 1.7;
  letter-spacing: 0.05em;
}
.result-age-notice strong {
  color: var(--color-text);
  font-weight: 500;
}

/* ============================================== */
/* レスポンシブ */
/* ============================================== */

/* 〜 480px 極小スマホ */
@media (max-width: 480px) {
  .card { width: min(92vw, 360px); height: clamp(320px, 58vh, 480px); }
  .card-side { padding: 22px 18px; }
  .choice-text { font-size: clamp(14px, 4vw, 17px); }
  .fallback-buttons { width: min(92vw, 360px); }
  .swipe-hint { font-size: 10px; }
}

/* 481px〜767px スマホ：カードを上下スタック */
@media (max-width: 767px) {
  .card {
    flex-direction: column;
    height: clamp(420px, 68vh, 580px);
  }
  .card-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-border-line) 18%, var(--color-border-line) 82%, transparent);
  }
  .card-divider span {
    /* 横区切り線中央に or */
  }
  .swipe-hint { display: none; }
  .card-side { padding: 24px 18px; }
}

/* 768px〜 タブレット */
@media (min-width: 768px) {
  .card { width: min(78vw, 580px); height: clamp(380px, 65vh, 540px); }
  .card-side { padding: 32px 28px; }
  .choice-text { font-size: clamp(17px, 2.8vw, 22px); }
  .bottle-grid {
    grid-template-columns: 1fr 1fr;
  }
  .fallback-buttons { width: min(78vw, 580px); }
}

/* 1024px〜 PC・iPad横 */
@media (min-width: 1024px) {
  .card { width: min(60vw, 620px); height: clamp(420px, 70vh, 560px); }
  .card-side { padding: 40px 36px; }
  .choice-text { font-size: clamp(18px, 2.4vw, 24px); }
}

/* 横向き低高 */
@media (orientation: landscape) and (max-height: 540px) {
  .card { height: 76vh; }
  .screen { padding: 12px; }
  .hero-title { font-size: 22px; }
  .card-preview { display: none; }
}

/* ============================================== */
/* キーフレーム */
/* ============================================== */

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes title-settle {
  from { opacity: 0; letter-spacing: 0.25em; }
  to   { opacity: 1; letter-spacing: 0.05em; }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ============================================== */
/* prefers-reduced-motion */
/* ============================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0.01ms !important;
  }
  .hero-sublabel,
  .hero-title,
  .hero-sub,
  .hero-tip,
  .card-preview,
  .hero-notice,
  .hero-disclaimer,
  .calculating-main-text,
  .calculating-sub-text,
  .result-icon,
  .result-desc-wrap,
  .result-labels,
  .result-cta-group {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
  .result-title { opacity: 1 !important; transform: none !important; }
  .progress-dot.is-active { animation: none !important; }
  .calc-dots span { animation: none !important; }
  .card.is-entering { animation: none !important; opacity: 1 !important; transform: none !important; }
}