/* =================================================================
   一削り — 敦賀の手すきおぼろ昆布、3秒の真剣勝負
   visual.md 凍結 CSS カスタムプロパティを基準とする
================================================================= */

:root {
  /* === 背景系 === */
  --color-base:           #1A0E06;
  --color-base-surface:   #241508;
  --color-base-raised:    #2F1C0A;
  --color-base-mid:       #3D2B1F;

  /* === アクセント（薄片白緑） === */
  --color-flake-solid:    #D8EFC8;
  --color-flake-ghost:    rgba(220, 240, 200, 0.18);
  --color-flake-border:   rgba(220, 240, 200, 0.35);

  /* === テキスト === */
  --color-text-primary:   #F0EDE8;
  --color-text-secondary: #B8A890;
  --color-text-muted:     #9A8A78;

  /* === ランクバッジ === */
  --color-rank-meiko:     #C8A96E;
  --color-rank-ipponmae:  #A88860;
  --color-rank-minarai:   #8A7060;
  --color-rank-shiroto:   #5A4840;

  /* === 罫線 === */
  --color-border:         rgba(220, 200, 180, 0.12);
  --color-border-active:  rgba(220, 240, 200, 0.35);

  /* === オーバーレイ === */
  --overlay-hero:         rgba(26, 14, 6, 0.55);
  --overlay-play:         rgba(26, 14, 6, 0.45);
  --overlay-meiko:        rgba(15, 8, 3, 0.65);
  --overlay-ipponmae:     rgba(20, 13, 6, 0.60);
  --overlay-minarai:      rgba(22, 14, 6, 0.55);
  --overlay-shiroto:      rgba(20, 11, 4, 0.50);

  /* === フォント === */
  --font-serif: 'Noto Serif JP', 'YuMincho', 'Yu Mincho', '游明朝', serif;
  --font-sans:  'Noto Sans JP', 'YuGothic', 'Yu Gothic', '游ゴシック', sans-serif;
  --font-mono:  'JetBrains Mono', 'Courier New', monospace;

  /* === タイポサイズ === */
  --type-logo:       clamp(2.4rem, 6vw, 4.0rem);
  --type-hero:       clamp(1.8rem, 4.5vw, 2.8rem);
  --type-opening:    clamp(1.0rem, 2.3vw, 1.25rem);
  --type-score-big:  clamp(4.0rem, 12vw, 7.0rem);
  --type-score-axis: clamp(1.0rem, 2.6vw, 1.3rem);
  --type-rank:       clamp(1.3rem, 3.2vw, 1.8rem);
  --type-rank-sub:   clamp(0.9rem, 2.2vw, 1.1rem);
  --type-body:       clamp(0.95rem, 2.2vw, 1.1rem);
  --type-guide:      clamp(0.85rem, 2.0vw, 1.0rem);
  --type-caption:    0.8rem;

  /* === 余白 === */
  --space-xs:  8px;
  --space-sm:  12px;
  --space-md:  20px;
  --space-lg:  32px;
  --space-xl:  48px;
  --space-2xl: 64px;
  --canvas-margin-v: 40px;
  --canvas-margin-h: 24px;
  --compare-gap: 24px;
  --max-width: 960px;

  /* === 角丸 === */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-full: 9999px;

  /* === Canvas 薄片描画値（JS でも参照） === */
  --flake-lw-min:   1;
  --flake-lw-max:   8;
  --flake-lw-base:  8;
  --flake-lw-delta: 6;
}

/* ============================
   リセット & 基本
============================ */

*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-base);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, p, ul {
  margin: 0;
  padding: 0;
}

ul { list-style: none; }
button { font-family: inherit; }

.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;
}

/* ============================
   画面共通
============================ */

.screen {
  position: relative;
  width: 100%;
  min-height: 100vh;
  padding: var(--space-2xl) var(--canvas-margin-h);
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 1;
  transition: opacity 250ms ease-out;
}

.screen[hidden] { display: none; }

.screen.hiding { opacity: 0; }

.disclaimer {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: var(--type-caption);
  color: var(--color-text-muted);
  text-align: center;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

/* ============================
   ミュートボタン
============================ */

.mute-btn {
  position: fixed;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 100;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-base-surface);
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 150ms ease-out, color 150ms ease-out;
}

.mute-btn:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text-primary);
}

.mute-btn:focus-visible {
  outline: 2px solid var(--color-flake-solid);
  outline-offset: 3px;
}

/* ============================
   入口画面
============================ */

#screen-intro {
  background:
    linear-gradient(180deg, rgba(26,14,6,0.55) 0%, rgba(26,14,6,0.85) 100%),
    url('https://images.unsplash.com/photo-1598965193757-a6e9b96c8c76?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat,
    radial-gradient(ellipse at center, #3D2B1F 0%, #1A0E06 80%);
  background-color: var(--color-base);
}

.intro-inner {
  width: 100%;
  max-width: var(--max-width);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
  position: relative;
  z-index: 2;
}

.intro-header {
  text-align: center;
}

.logo {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--type-logo);
  letter-spacing: 0.18em;
  color: var(--color-text-primary);
  line-height: 1.1;
  margin-bottom: var(--space-sm);
}

.subtitle {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: var(--type-guide);
  letter-spacing: 0.16em;
  color: var(--color-text-secondary);
}

/* 北前船オープニング */
.opening-block {
  width: 100%;
  max-width: 600px;
  margin: var(--space-lg) auto;
  padding: var(--space-lg);
  background: rgba(26, 14, 6, 0.55);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  cursor: pointer;
}

.opening-line {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: var(--type-opening);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-sm);
  line-height: 1.8;
  letter-spacing: 0.06em;
  opacity: 0;
  transition: opacity 500ms ease-out;
}

.opening-line.visible { opacity: 1; }

.opening-question {
  margin-top: var(--space-md);
  font-weight: 500;
  color: var(--color-flake-solid);
}

.intro-main {
  text-align: center;
}

.hero-copy {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: var(--type-hero);
  line-height: 1.5;
  letter-spacing: 0.08em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.hero-sub {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: var(--type-guide);
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
}

/* スタートゾーン */
.start-zone-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
}

.start-zone {
  width: 100%;
  max-width: 480px;
  padding: var(--space-lg) var(--space-md);
  background: transparent;
  border: 1.5px dashed var(--color-border-active);
  border-radius: var(--radius-lg);
  color: var(--color-flake-solid);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  font-family: var(--font-sans);
  animation: breathe-border 2.4s ease-in-out infinite;
  transition: transform 200ms ease-out, box-shadow 200ms ease-out;
}

.start-zone:hover {
  box-shadow: 0 0 28px rgba(220, 240, 200, 0.20);
}

.start-zone:active { transform: scale(0.98); }

.start-zone:focus-visible {
  outline: 2px solid var(--color-flake-solid);
  outline-offset: 3px;
}

.start-zone-text {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: var(--type-guide);
  letter-spacing: 0.08em;
  color: var(--color-text-primary);
}

.start-zone-arrow {
  display: inline-flex;
  color: var(--color-flake-solid);
}

.start-zone-sub {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: var(--type-caption);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
}

@keyframes breathe-border {
  0%, 100% { opacity: 0.85; }
  50%      { opacity: 1.0; }
}

.intro-footer {
  margin-top: var(--space-lg);
  text-align: center;
}

/* ============================
   プレイ画面
============================ */

#screen-play {
  background:
    radial-gradient(ellipse at center bottom, #2a1a10 0%, #1f120a 50%, #150a04 100%);
  padding-top: var(--space-xl);
}

.play-indicator {
  width: 100%;
  max-width: var(--max-width);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.attempt-dots {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.attempt-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-flake-ghost);
  transition: background-color 300ms ease-out, transform 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.attempt-dot.done {
  background: var(--color-flake-solid);
  transform: scale(1.2);
}

.attempt-dot.done.settle { transform: scale(1.0); }

.attempt-dot.rank-meiko { background: var(--color-rank-meiko); }
.attempt-dot.rank-ipponmae { background: var(--color-rank-ipponmae); }
.attempt-dot.rank-minarai { background: var(--color-rank-minarai); }
.attempt-dot.rank-shiroto { background: var(--color-rank-shiroto); }

.attempt-label {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: var(--type-guide);
  color: var(--color-text-secondary);
  letter-spacing: 0.08em;
}

.best-text {
  margin-left: var(--space-sm);
  color: var(--color-flake-solid);
}

.canvas-wrap {
  width: 100%;
  max-width: var(--max-width);
  display: flex;
  justify-content: center;
}

/* Canvas + 写真背景 + 包丁オーバーレイの統合ステージ */
.canvas-stage {
  position: relative;
  width: 100%;
  max-width: var(--max-width);
  aspect-ratio: 17 / 10;
  border: 1px solid var(--color-border-active);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 40px rgba(220, 240, 200, 0.04);
  overflow: hidden;
  background: var(--color-base-mid);
  isolation: isolate;
}

#canvas-play {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: block;
  width: 100%;
  height: 100%;
  background: transparent;
  touch-action: none;
  user-select: none;
  cursor: crosshair;
}

#canvas-play:focus-visible {
  outline: 2px solid var(--color-flake-solid);
  outline-offset: -2px;
}

/* 削り包丁 SVG オーバーレイ */
#knife-overlay {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
  pointer-events: none;
  transform: translate(-9999px, -9999px);
  transition: opacity 200ms ease-out;
  opacity: 0;
  will-change: transform;
}
#knife-overlay.active {
  opacity: 0.95;
}
#knife-overlay.standby {
  /* STANDBY 時：スタートゾーン上に薄く出して「ここに包丁がある」と知らせる */
  opacity: 0.70;
}
#knife-overlay svg {
  display: block;
  filter: drop-shadow(0 4px 6px rgba(0,0,0,0.55));
  max-width: 180px;
  height: auto;
}

.play-hint {
  margin-top: var(--space-md);
  text-align: center;
  min-height: 1.5em;
}

#play-hint-text {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: var(--type-guide);
  color: var(--color-text-secondary);
  letter-spacing: 0.06em;
  transition: opacity 200ms ease-out;
}

.play-cta-wrap {
  margin-top: var(--space-lg);
  display: flex;
  justify-content: center;
}

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

#screen-result {
  background: var(--color-base);
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.result-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
  opacity: 0.55;
}

#screen-result.rank-meiko .result-bg {
  background-image:
    linear-gradient(rgba(15,8,3,0.65), rgba(15,8,3,0.85)),
    url('https://images.unsplash.com/photo-1556910103-1c02745aae4d?auto=format&fit=crop&w=1600&q=80');
}

#screen-result.rank-ipponmae .result-bg {
  background-image:
    linear-gradient(rgba(20,13,6,0.6), rgba(20,13,6,0.85)),
    url('https://images.unsplash.com/photo-1567521464027-f127ff144326?auto=format&fit=crop&w=1600&q=80');
}

#screen-result.rank-minarai .result-bg {
  background-image:
    linear-gradient(rgba(22,14,6,0.55), rgba(22,14,6,0.85)),
    url('https://images.unsplash.com/photo-1551218372-a8789b81b253?auto=format&fit=crop&w=1600&q=80');
}

#screen-result.rank-shiroto .result-bg {
  background-image:
    linear-gradient(rgba(20,11,4,0.5), rgba(20,11,4,0.85)),
    url('https://images.unsplash.com/photo-1556909114-f6e7ad7d3136?auto=format&fit=crop&w=1600&q=80');
}

.result-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}

/* 名工「光が、透けた。」 */
.meiko-headline {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  color: var(--color-rank-meiko);
  letter-spacing: 0.18em;
  text-align: center;
  opacity: 0;
  text-shadow: none;
  transition: opacity 600ms ease-out, text-shadow 800ms ease-out;
  margin-top: var(--space-md);
}

.meiko-headline.glowing {
  opacity: 1;
  text-shadow: 0 0 30px rgba(200, 169, 110, 0.5);
}

/* 比較カード */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--compare-gap);
  width: 100%;
  max-width: 640px;
  align-items: start;
}

.compare-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  background: var(--color-base-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.compare-label {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.08em;
}

.compare-sublabel {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: var(--type-caption);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.compare-canvas {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
  background: var(--color-base);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 400ms ease-out, transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.compare-canvas.revealed { opacity: 1; transform: scale(1.0); }

/* スコアパネル */
.score-panel {
  width: 100%;
  max-width: 600px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.score-prelude {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: var(--type-guide);
  color: var(--color-text-secondary);
  letter-spacing: 0.08em;
}

.score-big-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.1em;
  flex-wrap: wrap;
  line-height: 1;
}

.score-big {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--type-score-big);
  color: var(--color-text-primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.score-suffix {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  color: var(--color-text-muted);
}

.self-best-badge {
  margin-left: var(--space-sm);
  padding: 4px 12px;
  background: transparent;
  border: 1px solid var(--color-flake-border);
  border-radius: var(--radius-full);
  color: var(--color-flake-solid);
  font-family: var(--font-sans);
  font-size: var(--type-caption);
  letter-spacing: 0.08em;
  align-self: center;
}

.rank-badge {
  display: inline-flex;
  padding: 6px 18px;
  border: 1px solid var(--color-rank-shiroto);
  border-radius: var(--radius-md);
  color: var(--color-rank-shiroto);
  background: transparent;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--type-rank);
  letter-spacing: 0.12em;
  opacity: 0;
  transition: opacity 400ms ease-out, box-shadow 400ms ease-out, border-color 400ms ease-out, color 400ms ease-out;
  outline: none;
}

.rank-badge.visible { opacity: 1; }

.rank-badge:focus-visible {
  outline: 2px solid var(--color-flake-solid);
  outline-offset: 3px;
}

#screen-result.rank-meiko .rank-badge {
  border-color: var(--color-rank-meiko);
  color: var(--color-rank-meiko);
  box-shadow: 0 0 20px rgba(200, 169, 110, 0.3);
}

#screen-result.rank-ipponmae .rank-badge {
  border-color: var(--color-rank-ipponmae);
  color: var(--color-rank-ipponmae);
  box-shadow: 0 0 12px rgba(168, 136, 96, 0.2);
}

#screen-result.rank-minarai .rank-badge {
  border-color: var(--color-rank-minarai);
  color: var(--color-rank-minarai);
}

#screen-result.rank-shiroto .rank-badge {
  border-color: var(--color-rank-shiroto);
  color: var(--color-rank-shiroto);
}

.rank-sub {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: var(--type-rank-sub);
  color: var(--color-text-secondary);
  letter-spacing: 0.06em;
  margin-top: -8px;
}

/* 3軸バー */
.axis-list {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.axis-item {
  display: grid;
  grid-template-columns: 60px 1fr 48px;
  align-items: center;
  gap: var(--space-sm);
}

.axis-label {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: var(--type-guide);
  color: var(--color-text-secondary);
  text-align: left;
  letter-spacing: 0.08em;
}

.axis-bar {
  display: block;
  width: 100%;
  height: 4px;
  background: var(--color-flake-ghost);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.axis-bar-fill {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--color-flake-solid);
  border-radius: var(--radius-full);
  transition: width 600ms ease-out;
}

.axis-val {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: var(--type-score-axis);
  color: var(--color-flake-solid);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* 逆転メッセージ */
.reverse-message {
  width: 100%;
  max-width: 600px;
  padding: var(--space-md);
  background: rgba(36, 21, 8, 0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: var(--type-body);
  color: var(--color-text-secondary);
  line-height: 1.95;
  letter-spacing: 0.04em;
  text-align: left;
  opacity: 0;
  transition: opacity 400ms ease-out;
}

.reverse-message.visible { opacity: 1; }

.reverse-message p {
  margin-bottom: var(--space-sm);
}

.reverse-message p:last-child { margin-bottom: 0; }

/* CTA */
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  width: 100%;
  max-width: 640px;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 48px;
  min-width: 140px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: clamp(0.85rem, 2vw, 0.95rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  cursor: pointer;
  text-align: center;
  transition: opacity 200ms ease-out, box-shadow 200ms ease-out, transform 100ms ease-out, border-color 200ms ease-out, color 200ms ease-out;
}

.cta-btn:active,
.cta-btn.pressing {
  transform: scale(0.96);
}

.cta-btn:focus-visible {
  outline: 2px solid var(--color-flake-solid);
  outline-offset: 3px;
}

.cta-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
}

.cta-share {
  background: transparent;
  border: 1.5px solid var(--color-flake-solid);
  color: var(--color-flake-solid);
  box-shadow: 0 0 16px rgba(220, 240, 200, 0.15);
}
.cta-share:hover {
  box-shadow: 0 0 28px rgba(220, 240, 200, 0.30);
  opacity: 0.95;
}

.cta-replay {
  background: var(--color-base-raised);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
}
.cta-replay:hover { border-color: var(--color-text-secondary); }

.cta-buy, .cta-go {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}
.cta-buy:hover, .cta-go:hover {
  color: var(--color-text-primary);
  border-color: var(--color-text-muted);
}

.result-footer {
  margin-top: var(--space-lg);
  text-align: center;
}

/* ============================
   シェアモーダル
============================ */

.share-dialog {
  border: none;
  padding: 0;
  background: transparent;
  max-width: 92vw;
  max-height: 92vh;
}

.share-dialog::backdrop {
  background: rgba(26, 14, 6, 0.75);
}

.share-dialog-inner {
  position: relative;
  background: var(--color-base-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  max-width: 480px;
  width: 92vw;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.share-dialog-inner h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.2rem;
  color: var(--color-text-primary);
  letter-spacing: 0.08em;
  text-align: center;
}

.share-preview-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
}

.share-preview-wrap img {
  max-width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.share-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.share-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.share-close:hover { color: var(--color-text-primary); }

.share-close:focus-visible {
  outline: 2px solid var(--color-flake-solid);
  outline-offset: 3px;
  border-radius: 4px;
}

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

@media (max-width: 599px) {
  .screen {
    padding: var(--space-xl) var(--space-md);
  }

  .compare-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
  }

  .cta-grid {
    grid-template-columns: 1fr;
  }

  .axis-item {
    grid-template-columns: 48px 1fr 40px;
    gap: var(--space-xs);
  }

  .canvas-stage {
    aspect-ratio: 5 / 6;
  }

  #knife-overlay svg {
    max-width: 130px;
  }
}

@media (min-width: 600px) and (max-width: 1023px) {
  .screen {
    padding: var(--space-xl) var(--space-lg);
  }
}

@media (min-width: 1024px) {
  .screen {
    padding: var(--space-2xl) var(--space-lg);
  }
}

/* ============================
   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;
  }

  .start-zone {
    animation: none !important;
    opacity: 1.0;
  }

  .compare-canvas {
    transform: none !important;
  }

  /* 包丁の位置追従は維持しつつ、出現フェードを瞬時に */
  #knife-overlay {
    transition: opacity 0.01ms !important;
  }
}