/* =====================================================================
   ふくわらい — ブランドガイド v0.2 準拠 (カイロウドウケツ)
   - 基本構図1: 青地 (Lagoon Blue) に黄要素 (Sponge Yellow)
   - アクセント: Coral Orange は 1画面 1箇所 が原則
   - 子ども (4歳) 同伴でも遊べる: タップ領域 60×60px 以上, テキスト + 絵文字併用
   ===================================================================== */

:root {
  --yellow:      #F8F000;
  --yellow-dk:   #E0D800;
  --blue:        #2090E8;
  --blue-dk:     #0F6FBD;
  --blue-deep:   #0B5391;
  --orange:      #F04800;
  --orange-dk:   #C73B00;
  --pink:        #F2A8C4;
  --navy:        #0F2E58;
  --mist:        #6B7280;
  --pearl:       #FAFAFA;
  --cream:       #FFFBEA;

  --font-display: "Yusei Magic", "Zen Maru Gothic", system-ui, sans-serif;
  --font-heading: "Zen Maru Gothic", "Noto Sans JP", system-ui, sans-serif;
  --font-body:    "Noto Sans JP", system-ui, -apple-system, sans-serif;

  /* チャンキーボタン共通 */
  --chunk-border: 3px solid var(--navy);
  --chunk-shadow: 0 5px 0 var(--navy);
  --chunk-shadow-sm: 0 4px 0 var(--navy);
}

* , *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%; height: 100%; overflow: hidden;
  background: var(--blue);
  font-family: var(--font-body);
  color: var(--navy);
  -webkit-tap-highlight-color: transparent;
  -webkit-text-size-adjust: 100%;
}

/* =====================================================================
   画面の共通レイアウト
   ===================================================================== */

.screen {
  display: none;
  position: absolute; inset: 0;
  flex-direction: column;
  overflow: hidden;
}
.screen.active { display: flex; }

.screen-blue { background: var(--blue); color: #fff; }

/* スパークル装飾 ─────────────────────────────────────────────── */
.sparkles { position: absolute; inset: 0; pointer-events: none; }
.sparkle {
  position: absolute; width: 18px; height: 18px; display: block;
  background:
    conic-gradient(from 0deg,
      transparent 0deg, var(--yellow) 12deg, transparent 24deg,
      transparent 66deg, var(--yellow) 78deg, transparent 90deg,
      transparent 156deg, var(--yellow) 168deg, transparent 180deg,
      transparent 246deg, var(--yellow) 258deg, transparent 270deg, transparent 360deg);
  filter: drop-shadow(1px 1px 0 var(--navy));
  animation: twinkle 2.4s ease-in-out infinite;
}
.sparkle::before {
  content: ''; position: absolute; inset: 0;
  background: var(--yellow); clip-path:
    polygon(50% 0, 56% 44%, 100% 50%, 56% 56%, 50% 100%, 44% 56%, 0 50%, 44% 44%);
  filter: drop-shadow(1px 1px 0 var(--navy));
}
.sparkle.s1 { top:  56px; left:  28px; }
.sparkle.s2 { top:  48px; right: 28px; width: 14px; height: 14px; --tint: var(--orange); animation-delay: 0.4s; }
.sparkle.s2::before { background: var(--orange); }
.sparkle.s3 { top: 140px; right: 26px; width: 12px; height: 12px; animation-delay: 0.9s; }
.sparkle.s3::before { background: var(--pink); }
.sparkle.s4 { top: 420px; left:  30px; width: 12px; height: 12px; animation-delay: 1.4s; }

@keyframes twinkle {
  0%, 100% { transform: scale(1)   rotate(0deg); opacity: 1; }
  50%      { transform: scale(0.7) rotate(180deg); opacity: 0.7; }
}

/* =====================================================================
   タイポグラフィ
   ===================================================================== */

.title-display {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(48px, 16vw, 76px);
  color: var(--yellow);
  letter-spacing: 0.08em;
  line-height: 1;
  text-shadow:
    4px 4px 0 var(--navy),
    -1px -1px 0 var(--navy), 1px -1px 0 var(--navy),
    -1px  1px 0 var(--navy), 1px  1px 0 var(--navy);
  transform: rotate(-2deg);
}
.title-display.title-md { font-size: clamp(28px, 9vw, 38px); }
.title-sub {
  margin-top: 8px;
  font-family: var(--font-heading); font-size: 14px; font-weight: 700;
  letter-spacing: 0.05em; color: #fff;
}
.step-label {
  font-family: var(--font-heading); font-size: 11px;
  letter-spacing: 4px; font-weight: 700; color: rgba(255,255,255,0.85);
}
.marker-orange {
  position: relative; display: inline-block; z-index: 0;
}
.marker-orange::after {
  content: ''; position: absolute; left: -2px; right: -2px; bottom: 2px; height: 14px;
  background: var(--orange); border-radius: 6px;
  z-index: -1; opacity: 0.85; transform: rotate(-1deg);
}

/* =====================================================================
   ブランドバー (画面上の小さなロゴ)
   ===================================================================== */
.brand-bar {
  position: absolute; top: 40px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 6px;
  z-index: 5;
}
.brand-logo { width: 28px; height: 28px; border-radius: 6px; }
.brand-name {
  font-family: var(--font-heading); font-weight: 700;
  font-size: 12px; letter-spacing: 1px; color: #fff;
}

/* =====================================================================
   ページヘッダー(P-02, P-03 共通)
   ===================================================================== */
.page-header {
  padding: 56px 24px 16px;
  text-align: center;
}
.page-title {
  font-family: var(--font-heading); font-weight: 800;
  font-size: 24px; color: #fff;
}
.page-sub {
  margin-top: 6px; font-size: 12px; color: #fff;
  opacity: 0.85;
}

/* =====================================================================
   P-01 ホーム
   ===================================================================== */
.home-hero {
  position: absolute; top: 86px; left: 0; right: 0;
  text-align: center;
}
.home-stage {
  position: absolute; top: 200px; left: 50%;
  transform: translateX(-50%);
  width: 100%; max-width: 360px;
  height: 220px;
  display: flex; justify-content: center; align-items: center;
}
.home-stage-logo {
  width: 220px; height: 220px;
  border-radius: 50px;
  border: 3px solid var(--navy);
  box-shadow: 0 6px 0 var(--navy);
  transform: rotate(-6deg);
}
.home-char {
  position: absolute; width: 124px; height: auto;
  filter: drop-shadow(3px 4px 0 rgba(15,46,88,0.35));
}
.home-char-left  { left:  6px; bottom: -6px; transform: rotate(-6deg); }
.home-char-right { right: 6px; bottom: -6px; transform: rotate( 4deg); }

.home-cta {
  position: absolute; bottom: 50px; left: 24px; right: 24px;
  display: flex; flex-direction: column; gap: 10px; align-items: center;
}
.hint-text {
  font-size: 11px; color: #fff; opacity: 0.85; text-align: center;
}

/* =====================================================================
   チャンキーボタン
   ===================================================================== */
.btn-chunky {
  width: 100%; min-height: 68px;
  border-radius: 22px;
  border: var(--chunk-border);
  box-shadow: var(--chunk-shadow);
  padding: 14px 22px;
  font-family: var(--font-heading); font-weight: 800;
  font-size: 22px;
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  cursor: pointer;
  transition: transform 80ms ease, box-shadow 80ms ease;
  text-decoration: none;
  -webkit-user-select: none; user-select: none;
}
.btn-chunky:active:not(.btn-loading) {
  transform: translateY(4px);
  box-shadow: 0 1px 0 var(--navy);
}

.btn-yellow { background: var(--yellow);  color: var(--navy); }
.btn-white  { background: #fff;           color: var(--navy); }
.btn-orange { background: var(--orange);  color: #fff; }
.btn-blue   { background: var(--blue);    color: #fff; }

.btn-chunky.btn-loading {
  background: #cfd6df;
  color: rgba(15,46,88,0.6);
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: 0 4px 0 rgba(15,46,88,0.5);
}

.btn-icon  { font-size: 26px; line-height: 1; display: inline-block; }
.btn-text  { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.1; }
.btn-label { font-weight: 800; }
.btn-sub   { margin-top: 2px; font-family: var(--font-body); font-size: 12px; font-weight: 600; opacity: 0.8; }

.btn-small { min-height: 50px; font-size: 16px; border-radius: 16px; box-shadow: var(--chunk-shadow-sm); padding: 10px 18px; }
.btn-small .btn-icon { font-size: 18px; }
/* 半分幅で2つ並ぶボタン。
   横並びだと1つあたり約 166px しかなく、アイコンとラベルを横に置くと
   ラベルが折り返して崩れるため、中身を縦積みにしてコンパクトにする。 */
.btn-half {
  flex: 1;
  min-width: 0;
  flex-direction: column;
  gap: 4px;
  padding: 12px 8px;
  font-size: 17px;
}
.btn-half .btn-icon  { font-size: 22px; }
.btn-half .btn-text  { align-items: center; }
.btn-half .btn-label { white-space: nowrap; }
.btn-half .btn-sub   { margin-top: 0; font-size: 11px; }

/* ファイル入力は非表示 */
.photo-input-hidden { display: none; }

/* ロード完了後に表示: カメラ/アルバム 横並びボタン行 */
.home-cta-row {
  display: flex;
  gap: 10px;
  width: 100%;
}

/* =====================================================================
   P-02 写真確認 + AI処理
   ===================================================================== */
.confirm-stage {
  flex: 1; position: relative;
  display: flex; flex-direction: column; align-items: center;
}
.photo-card {
  width: 220px; height: 280px;
  margin-top: 16px;
  background: #FFE3CB; border-radius: 24px;
  border: 3px solid var(--navy); box-shadow: 0 6px 0 var(--navy);
  overflow: hidden; position: relative;
  display: flex; align-items: center; justify-content: center;
}
#preview-img {
  width: 100%; height: 100%; object-fit: cover;
}
/* 走査線アニメ */
.scan-line {
  position: absolute; left: 0; right: 0; top: 0;
  height: 6px;
  background: linear-gradient(90deg, transparent, var(--yellow) 30%, var(--yellow) 70%, transparent);
  box-shadow: 0 0 18px var(--yellow);
  animation: scan 1.8s ease-in-out infinite;
  pointer-events: none;
}
@keyframes scan {
  0%   { top:  4%; opacity: 0.4; }
  50%  { top: 78%; opacity: 1;   }
  100% { top:  4%; opacity: 0.4; }
}
.ai-badge {
  position: absolute; top: 12px; right: 12px;
  background: var(--orange); color: #fff;
  font-family: "Zen Maru Gothic", monospace;
  font-size: 10px; font-weight: 700; letter-spacing: 1px;
  padding: 4px 10px; border-radius: 10px;
  border: 2px solid var(--navy);
}

/* キャラ + 吹き出し */
.character-bubble {
  position: relative;
  display: inline-flex; align-items: flex-end; gap: 6px;
  margin-top: 20px;
}
.bubble-char {
  width: 94px; height: auto;
  filter: drop-shadow(2px 3px 0 rgba(15,46,88,0.35));
  pointer-events: none;
}
.bubble {
  position: relative;
  background: #fff; color: var(--navy);
  padding: 12px 16px; border-radius: 18px;
  border: 2.5px solid var(--navy);
  font-family: var(--font-heading); font-weight: 700; font-size: 16px;
  box-shadow: 4px 4px 0 rgba(15,46,88,0.85);
  margin-bottom: 50px;
  max-width: 200px;
}
.bubble::after {
  content: ''; position: absolute; bottom: -12px; left: 18px;
  width: 0; height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 14px solid var(--navy);
}
.bubble::before {
  content: ''; position: absolute; bottom: -8px; left: 21px;
  width: 0; height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-top: 10px solid #fff;
  z-index: 1;
}
.bubble-pink { background: var(--pink); }
.bubble-pink::before { border-top-color: var(--pink); }

/* dot pulse */
.dot-pulse { display: inline-flex; gap: 3px; margin-left: 6px; vertical-align: middle; }
.dot-pulse i {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--orange); display: inline-block;
  animation: dot 1.2s ease-in-out infinite;
}
.dot-pulse i:nth-child(2) { animation-delay: 0.15s; }
.dot-pulse i:nth-child(3) { animation-delay: 0.30s; }
@keyframes dot {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30%           { opacity: 1;   transform: translateY(-3px); }
}

/* progress bar */
.confirm-footer {
  padding: 20px 24px 40px;
  display: flex; flex-direction: column; gap: 14px;
}
.progress-bar {
  height: 14px; background: var(--blue-deep); border-radius: 999px;
  border: 2.5px solid var(--navy);
  overflow: hidden;
}
.progress-fill {
  height: 100%; background: var(--yellow);
  border-right: 2px solid var(--navy);
  transition: width 0.6s ease;
}

/* =====================================================================
   P-03 モード選択
   ===================================================================== */
.mode-cards {
  padding: 8px 22px;
  display: flex; flex-direction: column; gap: 18px;
}
.mode-card {
  background: #fff; color: var(--navy);
  border-radius: 22px;
  border: var(--chunk-border);
  box-shadow: 0 6px 0 var(--navy);
  padding: 16px 16px 16px 18px;
  display: flex; gap: 14px; align-items: center;
  cursor: pointer;
  text-align: left;
  transition: transform 80ms ease, box-shadow 80ms ease;
  font-family: var(--font-body);
}
.mode-card:active {
  transform: translateY(4px);
  box-shadow: 0 2px 0 var(--navy);
}
.mode-card-blind {
  background: var(--orange); color: #fff;
}
.mode-icon {
  width: 80px; height: 80px; border-radius: 18px;
  background: var(--yellow);
  border: var(--chunk-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 40px;
  flex-shrink: 0;
}
.mode-body { flex: 1; min-width: 0; }
.mode-name {
  font-family: var(--font-heading); font-weight: 800; font-size: 20px;
  line-height: 1.1;
}
.mode-desc { margin-top: 4px; font-size: 12px; line-height: 1.5; }
.mode-card .mode-desc       { color: var(--mist); }
.mode-card-blind .mode-desc { color: #fff; opacity: 0.95; }

.mode-tag {
  display: inline-block; margin-top: 8px;
  font-size: 10px; font-weight: 700; padding: 3px 9px; border-radius: 10px;
  border: 1.5px solid var(--navy);
}
.tag-cream  { background: var(--cream); color: var(--navy); }
.tag-yellow { background: var(--yellow); color: var(--navy); }

.mode-characters {
  flex: 1; position: relative;
  margin-top: 8px;
}
.bubble-pink-tone { position: absolute; bottom: 18px; left: 8px; }
.bubble-char-right {
  position: absolute; bottom: 18px; right: 8px;
  transform: scaleX(-1);
}

/* =====================================================================
   P-04 ゲーム画面
   ===================================================================== */
#screen-game { background: #F3E2C5; }

#game-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  touch-action: none;
  z-index: 1;
}

/* HUD: モードバッジ + パーツ進捗 ─────────────────── */
.game-hud {
  position: absolute; top: 16px; left: 12px; right: 12px;
  z-index: 5;
  display: flex; gap: 8px; align-items: stretch;
}
.hud-mode-pill {
  flex: 1;
  background: #fff;
  border: 2.5px solid var(--navy);
  box-shadow: 0 4px 0 var(--navy);
  border-radius: 16px;
  padding: 8px 12px;
  display: flex; align-items: center; gap: 10px;
}
.hud-mode-icon {
  width: 32px; height: 32px;
  background: var(--yellow);
  border: 2px solid var(--navy);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.hud-mode-name {
  display: block;
  font-family: var(--font-heading); font-weight: 800;
  font-size: 14px; color: var(--navy); line-height: 1;
}
.hud-mode-sub {
  display: block;
  margin-top: 2px;
  font-size: 10px; color: var(--mist);
}

.hud-progress {
  background: var(--cream);
  border: 2.5px solid var(--navy);
  box-shadow: 0 4px 0 var(--navy);
  border-radius: 16px;
  padding: 8px 12px;
  display: flex; align-items: center;
}
.hud-dots {
  display: flex; gap: 4px;
}
.hud-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: #fff;
  border: 2px solid var(--navy);
  transition: background 200ms ease;
}
.hud-dot.placed { background: var(--yellow); }

/* アクションバー */
.game-action-bar {
  position: absolute; bottom: 22px; left: 0; right: 0;
  z-index: 5;
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 18px;
}
.btn-circle {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: var(--chunk-border);
  box-shadow: var(--chunk-shadow-sm);
  background: #fff;
  font-size: 24px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.btn-circle:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--navy); }
.btn-circle-spacer { width: 56px; }

.btn-pill {
  min-height: 60px; min-width: 160px;
  border-radius: 30px;
  background: var(--orange); color: #fff;
  border: var(--chunk-border); box-shadow: var(--chunk-shadow);
  padding: 0 22px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-heading); font-weight: 800; font-size: 20px;
  cursor: pointer;
}
.btn-pill:active { transform: translateY(4px); box-shadow: 0 1px 0 var(--navy); }
.btn-pill .btn-icon { font-size: 22px; }

/* めかくしモード時は完成ボタン非表示 */
.screen[data-mode="blind"] #btn-done { display: none; }
.screen[data-mode="blind"] .game-action-bar { justify-content: space-between; }
.screen[data-mode="blind"] .btn-circle-spacer { display: none; }

/* =====================================================================
   P-05 完成画面
   ===================================================================== */
.confetti-layer {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none;
  z-index: 3;
}
.confetti-piece {
  position: absolute;
  width: 12px; height: 6px;
  top: -20px;
  animation: confetti-fall linear forwards;
}
.confetti-piece.shape-square { border-radius: 1px; }
.confetti-piece.shape-circle { width: 8px; height: 8px; border-radius: 50%; }
.confetti-piece.shape-rect   { width: 10px; height: 14px; border-radius: 2px; }

@keyframes confetti-fall {
  0%   { transform: translateY(0)     rotate(0deg);    opacity: 1;   }
  90%  {                                                opacity: 1;   }
  100% { transform: translateY(110vh) rotate(720deg);  opacity: 0.4; }
}

.result-banner {
  position: absolute; top: 30px; left: 0; right: 0;
  text-align: center; z-index: 5;
}
.title-result {
  position: relative; display: inline-block;
  font-size: clamp(48px, 14vw, 60px);
}
.title-result-emoji-r {
  position: absolute; top: -12px; right: -32px;
  font-size: 38px; transform: rotate(15deg);
}
.title-result-emoji-l {
  position: absolute; top: -4px; left: -34px;
  font-size: 28px; transform: rotate(-20deg);
}

.result-frame {
  position: absolute;
  top: 110px; bottom: 200px;
  left: 50%; transform: translateX(-50%) rotate(-1.5deg);
  width: min(80vw, 280px);
  background: #FFE3CB;
  border-radius: 24px;
  border: 4px solid var(--navy);
  box-shadow: 0 8px 0 var(--navy);
  overflow: hidden;
  z-index: 4;
}
#result-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  touch-action: none;
}
.frame-tape {
  position: absolute; width: 40px; height: 18px;
  border: 1.5px solid var(--navy);
  opacity: 0.9;
}
.tape-yellow {
  background: var(--yellow);
  top: -8px; left: 16px;
  transform: rotate(-8deg);
}
.tape-pink {
  background: var(--pink);
  top: -10px; right: 22px;
  transform: rotate(10deg);
}

.result-char {
  position: absolute;
  width: 110px; height: auto;
  bottom: 150px;
  z-index: 5;
  filter: drop-shadow(2px 3px 0 rgba(15,46,88,0.4));
  animation: bob 1.6s ease-in-out infinite;
}
.result-char-left  { left:  -8px; transform-origin: bottom right; }
.result-char-right { right: -8px; transform: scaleX(-1); transform-origin: bottom left; animation-delay: 0.4s; }
@keyframes bob {
  0%, 100% { transform: translateY(0);   }
  50%      { transform: translateY(-8px); }
}
.result-char-right { animation-name: bob-right; }
@keyframes bob-right {
  0%, 100% { transform: scaleX(-1) translateY(0);   }
  50%      { transform: scaleX(-1) translateY(-8px); }
}

.result-actions {
  position: absolute; bottom: 30px; left: 18px; right: 18px;
  display: flex; gap: 10px;
  z-index: 5;
}

/* =====================================================================
   小さい画面 (狭い端末) 対応
   ===================================================================== */
@media (max-height: 680px) {
  .home-stage { top: 168px; }
  .home-stage-logo { width: 180px; height: 180px; }
  .home-cta { bottom: 32px; }
  .mode-cards { gap: 12px; }
  .mode-icon { width: 64px; height: 64px; font-size: 32px; }
  .photo-card { width: 200px; height: 240px; }
  .result-frame { bottom: 180px; }
}