/* ===== カラーパレット & フォント（ondoku-cards：パステルブルー＋音符テーマ） =====
   keisan-cards（ピンク・きらきら）と差別化するため水色基調。色味の調整はこの :root だけで済む。 */
:root {
  /* メインカラー：パステルブルー（水色） */
  --color-primary:        #34a6df;  /* ボタン・CTA の水色 */
  --color-primary-light:  #bfe6f8;  /* 縁・淡い面 */
  --color-primary-dark:   #1f7cb0;  /* 白地の文字・濃い差し色 */

  /* 差し色（アクセント）：あたたかいコーラル。水色に映え、音符モチーフを引き立てる */
  --color-accent:         #ff9a73;
  --color-accent-dark:    #f1764b;

  /* サブカラー：パステル */
  --color-lavender: #c3b4f5;
  --color-skyblue:  #9fd6ff;
  --color-mint:     #b8f2d8;
  --color-lemon:    #ffe79a;

  /* 状態色 */
  --color-gold:   #ffce4d;
  --color-green:  #38c172;
  --color-green-dark: #2aa75f;
  --color-red:    #ff6b6b;

  /* テキスト：深い藍（水色背景でも埋もれない） */
  --color-text:        #2f4a66;
  --color-text-light:  #6f88a4;

  /* グラデーション（背景・ボタン・タイトル：水色基調） */
  --gradient-bg:      linear-gradient(180deg, #ddf2ff 0%, #e7ecfb 50%, #efe9fb 100%);
  --grad-primary-btn: linear-gradient(180deg, #7fd2f3 0%, #34a6df 60%, #1f88c2 100%);
  --grad-title:       linear-gradient(180deg, #8fd8f5 0%, #34a6df 45%, #1f7cb0 100%);

  /* 影・縁の色 */
  --btn-primary-edge: #1773a8;

  /* フォント（丸文字＝かわいさは維持） */
  --font-display: 'Mochiy Pop One', 'M PLUS Rounded 1c', "Hiragino Maru Gothic ProN", "Yu Gothic", sans-serif;
  --font-body:    'M PLUS Rounded 1c', "Hiragino Maru Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
}

/* ===== Base ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  height: 100vh;
  height: 100dvh;
}
body {
  height: 100%;
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--color-text);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  overflow: hidden;
  background: var(--gradient-bg);
  background-attachment: fixed;
}

.hidden { display: none !important; }

/* ===== 背景：ふわふわ漂う音符モチーフ（水色テーマ） ===== */
.bg-sparkles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.note-float {
  position: absolute;
  pointer-events: none;
  line-height: 1;
  font-family: 'Mochiy Pop One', sans-serif;
  /* 色・大きさ・位置・速さは JS でランダム指定 */
  color: var(--note-color, rgba(52, 166, 223, 0.5));
  text-shadow: 0 1px 3px rgba(90, 150, 200, 0.25);
  animation: noteFloat var(--note-dur, 6s) ease-in-out infinite;
  animation-delay: var(--note-delay, 0s);
  will-change: transform, opacity;
}
@keyframes noteFloat {
  0%   { transform: translateY(6px) rotate(-7deg);  opacity: 0.25; }
  50%  { transform: translateY(-16px) rotate(7deg); opacity: 0.6; }
  100% { transform: translateY(6px) rotate(-7deg);  opacity: 0.25; }
}
@media (prefers-reduced-motion: reduce) {
  .note-float { animation: none; opacity: 0.5; }
}

#app {
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Screen ===== */
.screen {
  display: none;
  width: 100%;
  height: 100%;
  padding: 20px;
  flex-direction: column;
  overflow: hidden;
}
.screen.active {
  display: flex;
  animation: screen-in 0.25s ease-out;
}
@keyframes screen-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .screen.active { animation: none; }
}

.screen-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.screen-header h2 {
  font-family: var(--font-display);
  font-weight: normal;
  font-size: clamp(1.05rem, 4.6vw, 1.5rem);
  flex: 1;
  min-width: 0;
  text-align: center;
  padding-right: 74px;
  color: var(--color-primary-dark);
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.9), 0 2px 4px rgba(90, 140, 200, 0.15);
  white-space: nowrap;
  word-break: keep-all;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
}

/* ===== Buttons ===== */
.btn {
  display: block;
  width: 100%;
  padding: 16px 18px;
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 1.3rem;
  border: none;
  border-radius: 22px;
  cursor: pointer;
  transition: transform 0.08s, box-shadow 0.08s;
  position: relative;
  overflow: hidden;
}
.btn:active { transform: translateY(3px); }

.btn-primary {
  background: var(--grad-primary-btn);
  color: #fff;
  padding: 20px 18px;
  font-size: 1.5rem;
  box-shadow:
    0 5px 0 var(--btn-primary-edge),
    0 10px 22px rgba(20, 100, 150, 0.35),
    inset 0 2px 0 rgba(255, 255, 255, 0.5);
  text-shadow: 0 2px 3px rgba(18, 70, 110, 0.45);
}
.btn-primary::after {
  content: '';
  position: absolute;
  top: 10%;
  left: 12%;
  width: 45%;
  height: 36%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.55) 0%, rgba(255, 255, 255, 0) 100%);
  border-radius: 50%;
  pointer-events: none;
  filter: blur(2px);
}
.btn-primary:active {
  box-shadow:
    0 1px 0 var(--btn-primary-edge),
    0 4px 10px rgba(20, 100, 150, 0.28),
    inset 0 2px 0 rgba(255, 255, 255, 0.5);
}

.btn-sub {
  background: linear-gradient(180deg, #ffffff 0%, #e8f5fd 100%);
  color: var(--color-primary-dark);
  border: 3px solid var(--color-primary-light);
  padding: 14px 18px;
  font-size: 1.15rem;
  box-shadow:
    0 3px 0 rgba(60, 150, 210, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}
.btn-sub:active {
  box-shadow:
    0 1px 0 rgba(60, 150, 210, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.btn-back {
  background: rgba(255, 255, 255, 0.75);
  border: 2px solid var(--color-primary-light);
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-primary-dark);
  font-weight: 700;
  cursor: pointer;
  padding: 6px 12px;
}
.btn-back:active { transform: scale(0.95); background: rgba(224, 244, 253, 0.9); }

/* ===== ホーム画面 ===== */
#screen-home {
  justify-content: center;
  align-items: center;
  text-align: center;
}
.title {
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 3.2rem;
  line-height: 1.05;
  margin-bottom: 10px;
  background: var(--grad-title);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  filter: drop-shadow(0 3px 0 rgba(255, 255, 255, 0.95)) drop-shadow(0 6px 14px rgba(20, 100, 150, 0.32));
  position: relative;
  animation: title-bob 3.8s ease-in-out infinite;
}
@keyframes title-bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}
.title::before,
.title::after {
  position: absolute;
  font-size: 1.8rem;
  color: var(--color-gold);
  -webkit-text-fill-color: var(--color-gold);
  filter: drop-shadow(0 0 6px rgba(255, 215, 0, 0.85));
  animation: sparkle-spin 4s linear infinite;
}
.title::before { content: '✨'; top: -6px; left: -22px; }
.title::after  { content: '✨'; bottom: -4px; right: -22px; animation-delay: -2s; animation-direction: reverse; }
@keyframes sparkle-spin {
  0%   { transform: rotate(0deg) scale(1); }
  50%  { transform: rotate(180deg) scale(1.2); }
  100% { transform: rotate(360deg) scale(1); }
}
.home-sub {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 40px;
}
.menu {
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ===== レベル選択 ===== */
.level-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow-y: auto;
  padding: 4px 2px 8px;
}
.level-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  border: 3px solid rgba(255, 255, 255, 0.85);
  border-radius: 22px;
  padding: 16px;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.5);
  box-shadow:
    0 6px 16px rgba(90, 140, 200, 0.18),
    inset 0 0 24px rgba(255, 255, 255, 0.28);
  transition: transform 0.1s, box-shadow 0.15s;
}
.level-card:active:not(:disabled) {
  transform: scale(0.98);
  box-shadow: 0 3px 8px rgba(90, 140, 200, 0.2);
}
.level-badge {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: #fff;
  background: linear-gradient(160deg, #7fd2f3, #34a6df);
  box-shadow: 0 4px 0 rgba(20, 100, 150, 0.4);
}
.level-text { display: flex; flex-direction: column; }
.level-title { font-size: 1.4rem; font-weight: 900; color: var(--color-text); }
.level-desc { font-size: 0.95rem; color: var(--color-text-light); }
.level-lock { margin-left: auto; font-size: 1.4rem; }
.level-locked {
  opacity: 0.55;
  filter: grayscale(0.5);
  cursor: not-allowed;
}
.level-locked .level-badge {
  background: linear-gradient(160deg, #c9c3da, #aaa2c8);
  box-shadow: none;
}

/* 全レベル一時開放スイッチ（控えめ・大人向け） */
.unlock-all-btn {
  align-self: center;
  margin: 4px auto 2px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text-light);
  background: rgba(255, 255, 255, 0.55);
  border: 1.5px solid rgba(150, 180, 210, 0.45);
  border-radius: 999px;
  padding: 6px 16px;
  cursor: pointer;
  opacity: 0.85;
  transition: transform 0.08s;
}
.unlock-all-btn:active { transform: scale(0.96); }
.unlock-all-btn.on {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
  opacity: 1;
}

/* ===== モード選択 ===== */
.mode-intro {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: 16px;
}
.mode-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  padding: 4px 2px 8px;
}
.mode-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border: 3px solid rgba(255, 255, 255, 0.85);
  border-radius: 22px;
  padding: 22px 16px;
  cursor: pointer;
  color: #fff;
  box-shadow:
    0 6px 16px rgba(90, 140, 200, 0.22),
    inset 0 0 24px rgba(255, 255, 255, 0.18);
  transition: transform 0.1s, box-shadow 0.15s;
}
.mode-card:active {
  transform: scale(0.98);
  box-shadow: 0 3px 8px rgba(90, 140, 200, 0.2);
}
.mode-practice { background: linear-gradient(160deg, #7fd1ff, #4aa8f5); }
.mode-challenge { background: linear-gradient(160deg, var(--color-accent), var(--color-accent-dark)); }
.mode-card-emoji { font-size: 2.2rem; }
.mode-card-title { font-family: var(--font-display); font-weight: normal; font-size: 1.6rem; }
.mode-card-desc { font-size: 0.95rem; opacity: 0.97; }
.mode-card-best {
  margin-top: 8px;
  font-size: 0.95rem;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.28);
  padding: 4px 14px;
  border-radius: 999px;
}

/* ===== お手本画面 ===== */
#screen-example { justify-content: flex-start; }
.example-lead {
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 1.3rem;
  color: var(--color-primary-dark);
  text-align: center;
  margin: 10px auto 14px;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.9);
}
#screen-example .staff-card {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}
.example-note {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-light);
  text-align: center;
  margin: 14px auto 18px;
}
#screen-example .result-actions {
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
}

/* ===== プレイ画面 ===== */
#screen-play { justify-content: flex-start; position: relative; }

/* コンボ表示（チャレンジのみ・スコア下の右上に控えめなバッジ） */
.combo-display {
  position: absolute;
  top: 56px;
  right: 16px;
  z-index: 20;
  background: linear-gradient(160deg, var(--color-primary-light), #ffffff);
  border: 2px solid var(--color-primary);
  border-radius: 999px;
  padding: 4px 14px;
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 0.95rem;
  color: var(--color-primary-dark);
  box-shadow: 0 3px 8px rgba(20, 100, 150, 0.25);
  pointer-events: none;
  white-space: nowrap;
}
.combo-display .combo-count { font-size: 1.25rem; color: var(--color-primary); margin-right: 2px; }
.combo-display .combo-bonus { margin-left: 8px; font-size: 0.8rem; color: var(--color-accent-dark); }
.combo-display.combo-big { border-color: var(--color-accent); font-size: 1.08rem; }
.combo-display.combo-mega {
  background: linear-gradient(160deg, var(--color-accent), #ffffff);
  border-color: var(--color-accent-dark);
  color: var(--color-accent-dark);
  font-size: 1.18rem;
}
.combo-display.combo-mega .combo-count { color: var(--color-accent-dark); }
.combo-pop { animation: comboPop 0.32s ease; }
@keyframes comboPop {
  0% { transform: scale(1); }
  45% { transform: scale(1.22); }
  100% { transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) { .combo-pop { animation: none; } }
.play-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.btn-quit {
  background: rgba(255, 255, 255, 0.85);
  border: 2px solid var(--color-primary-light);
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-primary-dark);
  cursor: pointer;
  padding: 8px 16px;
}
.btn-quit:active { transform: scale(0.95); }
.play-progress {
  margin-left: auto;
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 1.5rem;
  color: var(--color-text);
}
.play-progress.timer-low { color: var(--color-red); }
.play-score {
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--color-text);
  background: #fff;
  padding: 8px 14px;
  border-radius: 999px;
  box-shadow: 0 3px 0 rgba(90, 140, 200, 0.18);
}

.speech-bubble {
  align-self: center;
  background: #fff;
  color: var(--color-text);
  font-size: 1.15rem;
  font-weight: 800;
  padding: 12px 20px;
  border-radius: 18px;
  box-shadow: 0 4px 0 rgba(90, 140, 200, 0.15);
  text-align: center;
  margin-bottom: 14px;
  min-height: 24px;
}

.staff-card {
  background: #fff;
  border-radius: 24px;
  box-shadow:
    0 8px 0 rgba(90, 140, 200, 0.16),
    0 14px 26px rgba(90, 140, 200, 0.2);
  padding: 18px 12px;
  display: grid;
  place-items: center;
  transition: box-shadow 0.15s ease;
}
.staff-card.card-correct { box-shadow: 0 0 0 4px var(--color-green), 0 8px 0 rgba(90, 140, 200, 0.16); }
.staff-card.card-wrong   { box-shadow: 0 0 0 4px var(--color-red), 0 8px 0 rgba(90, 140, 200, 0.16); }
.staff { width: 100%; max-width: 360px; height: auto; }

/* 方式C：ミス時「3秒固まる」表示（控えめ・萎縮させない） */
.freeze-hint {
  align-self: center;
  margin: 0 auto 10px;
  padding: 6px 16px;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-primary-dark);
  background: rgba(255, 255, 255, 0.82);
  border: 2px solid var(--color-primary-light);
  border-radius: 999px;
  animation: freezeHintIn 0.18s ease;
}
.freeze-hint .freeze-count {
  display: inline-block;
  min-width: 1.3em;
  text-align: center;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-primary);
}
@keyframes freezeHintIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
/* 固まり中は回答ボタンを「押せない見た目」に（緑の正解ハイライトは目立たせたまま） */
.answer-pad.answers-frozen .ans { opacity: 0.55; cursor: default; }
.answer-pad.answers-frozen .ans.ans-correct { opacity: 1; }
.answer-pad.answers-frozen .ans.ans-wrong { opacity: 0.9; }

/* 回答ボタン */
.answer-pad {
  margin-top: auto;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
}
.ans {
  padding: 16px 0;
  font-family: var(--font-display);
  font-weight: normal;
  font-size: clamp(1rem, 4.6vw, 1.4rem);
  color: var(--color-primary-dark);
  background: #fff;
  border: none;
  border-radius: 16px;
  cursor: pointer;
  box-shadow: 0 4px 0 rgba(60, 150, 210, 0.3);
  transition: transform 0.06s ease, box-shadow 0.06s ease;
}
.ans:active:not(:disabled) {
  transform: translateY(3px);
  box-shadow: 0 1px 0 rgba(60, 150, 210, 0.3);
}
.ans-correct {
  color: #fff;
  background: linear-gradient(160deg, var(--color-green), var(--color-green-dark));
  box-shadow: 0 4px 0 rgba(42, 167, 95, 0.4);
  animation: pop 0.3s ease;
}
.ans-wrong {
  color: #fff;
  background: linear-gradient(160deg, #ff8a8a, var(--color-red));
  box-shadow: 0 4px 0 rgba(220, 60, 60, 0.4);
}
@keyframes pop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.12); }
  100% { transform: scale(1); }
}

/* せまい画面では 4列×2段にして押しやすく保つ */
@media (max-width: 480px) {
  .answer-pad {
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
  }
  .ans { padding: 18px 0; font-size: 1.4rem; }
}

/* ===== 結果画面 ===== */
#screen-result {
  justify-content: flex-start;
  align-items: center;
  overflow-y: auto;
}
.result-title {
  font-family: var(--font-display);
  font-weight: normal;
  font-size: clamp(1.4rem, 6vw, 1.9rem);
  color: var(--color-primary-dark);
  text-align: center;
  margin-bottom: 10px;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.9);
}
/* 点数・正解数は控えめ（副次情報）：白い小カードに横並び＋小さめ文字 */
.result-card {
  width: 100%;
  max-width: 340px;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  box-shadow: 0 3px 0 rgba(90, 140, 200, 0.12);
  padding: 8px 16px;
  margin-bottom: 12px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: baseline;
  gap: 2px 26px;
}
.result-row {
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.result-label {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--color-text-light);
}
.result-value {
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 1.5rem;
  color: var(--color-text);
  line-height: 1.1;
}
.result-unit {
  font-size: 0.85rem;
  margin-left: 2px;
  color: var(--color-text-light);
}
.result-best {
  flex-basis: 100%;
  text-align: center;
  margin-top: 4px;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--color-text);
}
.result-best-new { color: var(--color-primary-dark); }
.result-actions {
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ===== レア度のアクセント色（カード共通） ===== */
.rarity-1 { --rar: #9aa7c7; --rar-soft: #e8ecf6; }
.rarity-2 { --rar: #46c79a; --rar-soft: #def7ee; }
.rarity-3 { --rar: #4aa8f5; --rar-soft: #ddeefe; }
.rarity-4 { --rar: #b07bff; --rar-soft: #efe6ff; }
.rarity-5 { --rar: #ffb300; --rar-soft: #fff3cf; }

/* ===== ごほうび（3枚から1枚） ===== */
.reward-block {
  width: 100%;
  max-width: 420px;
  margin: 18px 0 8px;
  text-align: center;
}
.reward-prompt {
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 1.2rem;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}
.reward-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  perspective: 700px; /* めくり演出の奥行き */
}
.reward-card {
  position: relative; /* 選択リボンの基準 */
  aspect-ratio: 3 / 4;
  border: 3px solid #fff;
  border-radius: 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px 4px;
  background: linear-gradient(160deg, var(--color-primary-light), var(--color-lavender));
  box-shadow: 0 5px 0 rgba(90, 140, 200, 0.25);
  transition: transform 0.1s, box-shadow 0.1s, opacity 0.2s;
  overflow: hidden;
}
/* 裏面：水色テイスト＋音符モチーフ */
.reward-card.face-down {
  background: linear-gradient(160deg, #7fd0f2 0%, #3aa6df 58%, #2f8fc6 100%);
  border-color: #fff;
}
.reward-card.face-down::before,
.reward-card.face-down::after {
  position: absolute;
  color: rgba(255, 255, 255, 0.5);
  pointer-events: none;
  font-family: 'Mochiy Pop One', sans-serif;
}
.reward-card.face-down::before { content: '♫'; top: 8%; left: 11%; font-size: 0.85rem; }
.reward-card.face-down::after  { content: '♪'; bottom: 8%; right: 11%; font-size: 0.75rem; }
.reward-card.face-down .reward-card-back {
  font-size: 2.2rem;
  color: #fff;
  text-shadow: 0 2px 4px rgba(20, 100, 150, 0.4);
}
.reward-card.face-down:active { transform: translateY(3px); box-shadow: 0 2px 0 rgba(90, 140, 200, 0.25); }
.reward-card.revealed {
  background: var(--rar-soft, #fff);
  border-color: var(--rar, #fff);
  cursor: default;
}
/* めくり演出：裏→表に“パカッ”と開く */
.reward-card.chosen {
  box-shadow: 0 0 0 4px var(--rar), 0 6px 14px rgba(20, 100, 150, 0.25);
  animation: cardReveal 0.45s ease;
}
@keyframes cardReveal {
  0%   { transform: rotateY(85deg) scale(0.92); }
  55%  { transform: rotateY(0deg) scale(1.08); }
  100% { transform: rotateY(0deg) scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .reward-card.chosen { animation: none; }
}
.reward-card.faded { opacity: 0.5; }

/* ===== キャラカードの中身（ごほうび・コレクション共通） ===== */
.chara-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.6);
}
.chara-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 1;
}
.chara-thumb.img-missing .chara-img { display: none; }
.chara-ph {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--rar, #b9b3d0);
  background:
    radial-gradient(circle at 50% 40%, rgba(255, 255, 255, 0.8), transparent 70%),
    var(--rar-soft, #eee);
}
.chara-name {
  margin-top: 6px;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.2;
  word-break: keep-all;
}
.chara-rarity {
  font-size: 0.85rem;
  color: var(--rar, #b9b3d0);
  letter-spacing: 1px;
}
.chara-count {
  display: inline-block;
  margin-top: 2px;
  font-size: 0.8rem;
  font-weight: 800;
  color: #fff;
  background: var(--rar, #b9b3d0);
  border-radius: 999px;
  padding: 1px 8px;
}

/* 獲得したキャラのおしらせ */
/* 獲得カードエリア＝結果画面の主役（大きく） */
.reward-won {
  width: 100%;
  max-width: 420px;
  margin: 8px auto 4px;
  padding: 18px 16px 22px;
  border-radius: 24px;
  background: #fff;
  border: 3px solid var(--color-primary-light);
  box-shadow: 0 8px 0 rgba(90, 140, 200, 0.16), 0 14px 26px rgba(90, 140, 200, 0.22);
  animation: pop 0.32s ease;
}
.reward-won-label {
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 1.5rem;
  color: var(--color-primary-dark);
}
.reward-won-name {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--color-text);
  margin-top: 4px;
  line-height: 1.2;
}
.reward-won-stars {
  font-size: 1.05rem;
  color: var(--rar, #ffb300);
  letter-spacing: 2px;
}

/* ===== きろく画面 ===== */
.records-body {
  flex: 1;
  overflow-y: auto;
  padding: 2px 2px 16px;
}
.rec-hero {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.rec-hero-card {
  background: rgba(255, 255, 255, 0.78);
  border-radius: 20px;
  padding: 14px 18px;
  text-align: center;
  box-shadow: 0 4px 0 rgba(60, 150, 210, 0.16);
}
.rec-hero-label {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: 4px;
}
.rec-hero-value {
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 2.2rem;
  color: var(--color-primary-dark);
  line-height: 1.1;
}
.rec-hero-value .rec-unit { font-size: 1.1rem; margin-left: 4px; }
.rec-mode-split {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
}
.rec-mode-split strong {
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 1.2rem;
  color: var(--color-primary);
  margin-left: 2px;
}
.rec-avg {
  text-align: center;
  margin: 12px 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-light);
}
.rec-avg strong {
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 1.15rem;
  color: var(--color-text);
}
.rec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  color: var(--color-text);
}
.rec-table th {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.8rem;
  color: var(--color-text-light);
  padding: 6px 4px;
  border-bottom: 2px solid rgba(60, 150, 210, 0.18);
}
.rec-table td {
  padding: 8px 4px;
  text-align: center;
  border-bottom: 1px solid rgba(180, 150, 180, 0.18);
}
.rec-table td.rec-lv {
  text-align: left;
  font-weight: 700;
  color: var(--color-primary-dark);
}
/* きろくグラフ（推移） */
.rec-graph { margin-top: 18px; }
.rec-tabs { display: flex; gap: 6px; }
.rec-tabs-mode { margin-bottom: 8px; }
.rec-tabs-level { flex-wrap: wrap; margin-bottom: 10px; }
.rec-tab {
  flex: 1;
  min-width: 0;
  padding: 8px 6px;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--color-text-light);
  background: rgba(255, 255, 255, 0.6);
  border: 2px solid rgba(150, 180, 210, 0.4);
  border-radius: 999px;
  cursor: pointer;
}
.rec-tab.rec-tab-lv { flex: 0 1 auto; font-size: 0.82rem; padding: 6px 12px; }
.rec-tab.on {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.rec-tabs-mode [data-rec-mode="practice"].on { background: var(--color-green-dark); border-color: var(--color-green-dark); }
.rec-tabs-mode [data-rec-mode="challenge"].on { background: var(--color-accent-dark); border-color: var(--color-accent-dark); }
.rec-graph-title {
  text-align: center;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.92rem;
  color: var(--color-text);
  margin: 4px 0 6px;
}
.rec-graph-area {
  background: rgba(255, 255, 255, 0.7);
  border-radius: 16px;
  padding: 8px 6px 4px;
}
.rec-svg { width: 100%; height: auto; display: block; overflow: visible; }
.rec-svg .rec-axis { font-family: var(--font-body); font-size: 10px; fill: var(--color-text-light); }
.rec-svg .rec-axis-cap { font-family: var(--font-body); font-size: 9.5px; fill: var(--color-text-light); }
.rec-svg .rec-dotval { font-family: var(--font-display); font-size: 12px; font-weight: normal; }
.rec-empty {
  text-align: center;
  padding: 30px 12px;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.7;
}
.rec-empty span { font-size: 0.82rem; font-weight: 700; }
.rec-graph-note {
  text-align: center;
  margin-top: 4px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* ===== プレイ履歴（1プレイ＝1枚の横長カード・新しい順） ===== */
.play-history { margin-top: 22px; }
.play-history-title {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: 10px;
}
.play-list { display: flex; flex-direction: column; gap: 7px; }
.play-row {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.82);
  border-radius: 12px;
  border-left: 5px solid var(--color-primary-light);
  box-shadow: 0 2px 0 rgba(90, 140, 200, 0.12);
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--color-text);
}
.play-row.mode-practice { border-left-color: var(--color-green); }
.play-row.mode-challenge { border-left-color: var(--color-accent); }
.play-row .pr-when {
  flex: 0 0 auto;
  min-width: 60px;
  font-size: 0.72rem;
  color: var(--color-text-light);
  white-space: nowrap;
}
.play-row .pr-mode { flex: 0 0 auto; font-weight: 800; }
.play-row .pr-lv {
  flex: 1 1 auto;
  font-weight: 800;
  color: var(--color-primary-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.play-row .pr-result { flex: 0 0 auto; font-weight: 800; }
.play-row .pr-score {
  flex: 0 0 auto;
  min-width: 54px;
  text-align: right;
  font-family: var(--font-display);
  font-weight: normal;
  color: var(--color-text);
}
.play-empty {
  text-align: center;
  padding: 14px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* ===== ポイント消費（つかえるポイント・消費操作・使用履歴） ===== */
/* 子ども向け：つかえるポイントを主役にしたカード（案①） */
.rec-balance {
  background: linear-gradient(180deg, #ffffff 0%, #eef8ff 100%);
  border: 2.5px solid var(--color-primary-light);
}
.rec-balance .rec-hero-value { font-size: 2.4rem; }
.rec-balance-plays {
  margin-top: 6px;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.5;
}
.rec-balance-plays strong {
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 1.35rem;
  color: var(--color-accent-dark);
  margin: 0 2px;
}
.rec-balance-next {
  margin-top: 6px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--color-text-light);
}
.rec-balance-bar {
  height: 10px;
  margin-top: 5px;
  background: rgba(150, 190, 220, 0.28);
  border-radius: 999px;
  overflow: hidden;
}
.rec-balance-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-skyblue) 0%, var(--color-primary) 100%);
  transition: width 0.4s ease;
}
/* 累計・使用済み（小さく1行・子どもの主役ではない） */
.rec-total-line {
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.76rem;
  color: var(--color-text-light);
  margin-top: -4px;
}

/* 大人向け：消費操作ブロック（だいじな データ エリアの中） */
.spend-area { margin-bottom: 16px; }
.spend-btn {
  width: 100%;
  max-width: 260px;
  font-size: 1rem;
  padding: 12px 10px;
}
.spend-btn:disabled {
  opacity: 0.45;
  filter: grayscale(0.7);
  cursor: default;
  box-shadow: none;
}
.spend-status {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-top: 6px;
}
.spend-undo {
  margin-top: 8px;
  padding: 6px 14px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.78rem;
  color: var(--color-text-light);
  background: rgba(255, 255, 255, 0.7);
  border: 1.5px solid rgba(150, 180, 210, 0.5);
  border-radius: 999px;
  cursor: pointer;
}
.spend-warn {
  margin-top: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.78rem;
  color: var(--color-accent-dark);
}

/* 回数を選ぶステッパー（ダイアログ内） */
.spend-stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 14px 0 10px;
}
.spend-step {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2.5px solid var(--color-primary);
  background: #fff;
  color: var(--color-primary-dark);
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}
.spend-step:active { transform: translateY(2px); }
.spend-step:disabled { opacity: 0.35; cursor: default; }
.spend-count {
  min-width: 92px;
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 1.6rem;
  color: var(--color-text);
}
.spend-calc {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.6;
}
.spend-calc strong {
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 1.15rem;
  color: var(--color-primary-dark);
}
.spend-arrow {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--color-accent-dark);
}

/* 使用履歴の行（プレイ履歴と同じ形・左線の色で区別する） */
.play-row.spend-row { border-left-color: var(--color-lavender); }
.play-row.spend-row .pr-score {
  min-width: 76px;
  color: var(--color-accent-dark);
}
/* 取り消し済みの行：行は消さずに残し、取り消したと分かる見た目にする */
.play-row.spend-row.canceled {
  flex-wrap: wrap;
  border-left-color: rgba(150, 180, 210, 0.55);
  background: rgba(255, 255, 255, 0.6);
}
.play-row.spend-row.canceled .pr-lv,
.play-row.spend-row.canceled .pr-result { color: var(--color-text-light); }
.play-row.spend-row.canceled .pr-score {
  color: var(--color-text-light);
  text-decoration: line-through;
}
.play-row.spend-row.canceled .pr-undone {
  flex: 1 0 100%;
  margin-top: 3px;
  text-align: right;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

/* ===== コレクション画面 ===== */
.collection-stats {
  text-align: center;
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: 14px;
}
.collection-stats strong {
  font-family: var(--font-display);
  font-weight: normal;
  color: var(--color-primary-dark);
  font-size: 1.3rem;
}
.collection-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 12px;
  overflow-y: auto;
  padding: 4px 2px 12px;
  align-content: start;
}
.chara-cell {
  position: relative; /* 星列・音符オーラの基準 */
  background: #fff;
  border: 3px solid var(--rar, #fff);
  border-radius: 16px;
  padding: 8px 6px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(90, 140, 200, 0.15);
}
.chara-cell.locked {
  border-color: #e2dcee;
  filter: grayscale(0.4);
  opacity: 0.85;
}
.chara-cell.locked .chara-name { color: var(--color-text-light); }

/* ===== ごほうび：5枚→2枚 選択UI ===== */
.reward-card.pickable { cursor: pointer; }
.reward-card.pickable:active { transform: translateY(2px); }
.reward-card.chosen { box-shadow: 0 0 0 4px var(--rar), 0 6px 14px rgba(20, 100, 150, 0.3); }
.reward-card.faded { opacity: 0.5; }
.reward-card .chara-name { font-size: 0.72rem; margin-top: 3px; }
.reward-card .chara-rarity { font-size: 0.7rem; }
.pick-ribbon {
  position: absolute;
  top: 3px;
  left: 3px;
  z-index: 5;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  box-shadow: 0 2px 4px rgba(20, 100, 150, 0.45);
}
.reward-won-two { text-align: center; }
.reward-won-list { display: flex; gap: 12px; justify-content: center; margin-top: 14px; }
.reward-won-item {
  flex: 1 1 0;
  max-width: 150px;
  min-width: 0;
  background: var(--rar-soft, #fff);
  border: 2.5px solid var(--rar, #fff);
  border-radius: 18px;
  padding: 10px 8px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.reward-won-item .chara-thumb {
  width: 100%;
  margin: 6px 0 4px;
  background: #fff;
}
.reward-won-tag {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.78rem;
  color: var(--color-primary-dark);
}

/* ===== 昇格：星列＋音符オーラ（コレクション） ===== */
/* 星列（math 準拠：銅 #CD7F32 / 銀 #C0C0C0 / 金 #FFD700、金は発光アニメ） */
.chara-stars {
  position: absolute;
  top: 2px;
  left: 5px;
  right: 5px;
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1px;
  line-height: 1;
  pointer-events: none;
}
.cstar { line-height: 1; display: inline-block; vertical-align: middle; }
.cstar.bronze { font-size: 14px; color: #cd7f32; text-shadow: 0 0 2px #fff, 0 1px 1px rgba(0, 0, 0, 0.3); }
.cstar.silver { font-size: 18px; color: #c0c0c0; text-shadow: 0 0 2px #fff, 0 0 4px rgba(192, 192, 192, 0.6), 0 1px 1px rgba(0, 0, 0, 0.3); }
.cstar.gold   { font-size: 22px; color: #ffd700; text-shadow: 0 0 2px #fff, 0 0 5px rgba(255, 215, 0, 0.9), 0 1px 1px rgba(0, 0, 0, 0.3); animation: starGoldGlow 2.2s ease-in-out infinite; }
@keyframes starGoldGlow { 0%, 100% { filter: brightness(1); } 50% { filter: brightness(1.25); } }

/* オーラ粒子（math 準拠：銀8 / 金14）。星型 ★✦✧ を主に、3〜4個ごとに ♪ を混ぜる程度のアクセント。 */
.note-aura {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  border-radius: 14px;
}
.note-dot {
  position: absolute;
  display: inline-block;
  line-height: 1;
  opacity: 0;
  text-align: center;
}
.note-dot::before { content: '★'; display: inline-block; }
.note-dot:nth-child(3n+1)::before { content: '✦'; }
.note-dot:nth-child(3n+2)::before { content: '✧'; }
.note-dot:nth-child(4n)::before { content: '♪'; } /* ondoku のアクセント＝一部だけ音符 */
@media (prefers-reduced-motion: reduce) {
  .note-dot { animation: none; opacity: 0.6; }
}
/* 銀：8個・14px・水色の明滅（math 準拠） */
.stage-silver .note-dot {
  font-size: 14px;
  color: #a0c5ff;
  text-shadow: 0 0 4px #fff, 0 0 8px rgba(200, 220, 255, 0.8);
  animation: blinkSilver 2.5s ease-in-out infinite;
}
.stage-silver .note-dot:nth-child(1) { top: 10%; left: 20%; animation-delay: 0s;   }
.stage-silver .note-dot:nth-child(2) { top: 15%; left: 80%; animation-delay: 0.3s; }
.stage-silver .note-dot:nth-child(3) { top: 40%; left: 10%; animation-delay: 0.6s; }
.stage-silver .note-dot:nth-child(4) { top: 45%; left: 90%; animation-delay: 0.9s; }
.stage-silver .note-dot:nth-child(5) { top: 70%; left: 25%; animation-delay: 1.2s; }
.stage-silver .note-dot:nth-child(6) { top: 75%; left: 75%; animation-delay: 1.5s; }
.stage-silver .note-dot:nth-child(7) { top: 55%; left: 50%; animation-delay: 1.8s; }
.stage-silver .note-dot:nth-child(8) { top: 30%; left: 50%; animation-delay: 2.1s; }
@keyframes blinkSilver {
  0%, 100% { opacity: 0; transform: scale(0.4) rotate(0deg); }
  50%      { opacity: 1; transform: scale(1.5) rotate(180deg); }
}
/* 金：14個・18px・回転明滅（math 準拠）。math の虹7色は使わず「水色＋金」の3色サイクルに置換。 */
.stage-gold .note-dot {
  font-size: 18px;
  text-shadow: 0 0 6px #fff, 0 0 12px currentColor, 0 0 18px rgba(255, 215, 0, 0.45);
  animation: blinkGold 2s ease-in-out infinite;
}
.stage-gold .note-dot:nth-child(3n+1) { color: #6bb5ff; } /* 水色 */
.stage-gold .note-dot:nth-child(3n+2) { color: #ffd700; } /* 金 */
.stage-gold .note-dot:nth-child(3n)   { color: #cfe8ff; } /* 淡い水色 */
.stage-gold .note-dot:nth-child(1)  { top: 8%;  left: 15%; animation-delay: 0s;   }
.stage-gold .note-dot:nth-child(2)  { top: 12%; left: 50%; animation-delay: 0.2s; }
.stage-gold .note-dot:nth-child(3)  { top: 10%; left: 85%; animation-delay: 0.4s; }
.stage-gold .note-dot:nth-child(4)  { top: 30%; left: 8%;  animation-delay: 0.6s; }
.stage-gold .note-dot:nth-child(5)  { top: 35%; left: 92%; animation-delay: 0.8s; }
.stage-gold .note-dot:nth-child(6)  { top: 50%; left: 5%;  animation-delay: 1.0s; }
.stage-gold .note-dot:nth-child(7)  { top: 55%; left: 95%; animation-delay: 1.2s; }
.stage-gold .note-dot:nth-child(8)  { top: 65%; left: 20%; animation-delay: 1.4s; }
.stage-gold .note-dot:nth-child(9)  { top: 70%; left: 80%; animation-delay: 1.6s; }
.stage-gold .note-dot:nth-child(10) { top: 85%; left: 30%; animation-delay: 1.8s; }
.stage-gold .note-dot:nth-child(11) { top: 88%; left: 60%; animation-delay: 2.0s; }
.stage-gold .note-dot:nth-child(12) { top: 90%; left: 85%; animation-delay: 2.2s; }
.stage-gold .note-dot:nth-child(13) { top: 45%; left: 50%; animation-delay: 2.4s; }
.stage-gold .note-dot:nth-child(14) { top: 25%; left: 65%; animation-delay: 1.1s; }
@keyframes blinkGold {
  0%, 100% { opacity: 0; transform: scale(0.3) rotate(0deg); }
  50%      { opacity: 1; transform: scale(1.6) rotate(200deg); }
}

/* 銀ステージのセル（math 準拠：水色グロー＋枠＋キャラ浮遊2px） */
.chara-cell.stage-silver {
  box-shadow:
    0 0 0 2px rgba(200, 220, 255, 0.6),
    0 4px 20px rgba(180, 200, 255, 0.4),
    inset 0 0 20px rgba(220, 235, 255, 0.3);
}
.chara-cell.stage-silver:not(.rarity-4):not(.rarity-5) { border-color: rgba(200, 220, 255, 0.85); }
.chara-cell.stage-silver .chara-img { animation: floatSilver 3.5s ease-in-out infinite; }
@keyframes floatSilver {
  0%, 100% { transform: translateY(0); filter: brightness(1); }
  50%      { transform: translateY(-2px); filter: brightness(1.05) drop-shadow(0 4px 8px rgba(180, 200, 255, 0.5)); }
}

/* 金ステージのセル（math 準拠：金枠＋背景フロー＋浮遊6px。math の虹ホログラム→青白フローに置換） */
.chara-cell.stage-gold {
  box-shadow:
    0 0 0 2px rgba(255, 215, 0, 0.65),
    0 4px 20px rgba(160, 205, 255, 0.45);
}
.chara-cell.stage-gold:not(.rarity-4):not(.rarity-5) {
  border-color: #ffd700;
  background: linear-gradient(135deg, #e6f4ff 0%, #ffffff 25%, #d3ecff 50%, #ffffff 75%, #e6f4ff 100%);
  background-size: 200% 200%;
  animation: blueFlow 6s ease-in-out infinite;
}
@keyframes blueFlow { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
/* ☆4/☆5 の金ステージは背景を上書きせず、発光だけ豪華に（既存のレア度の見た目を維持） */
.chara-cell.stage-gold.rarity-4 {
  box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.7), 0 6px 24px rgba(255, 200, 80, 0.5), 0 0 30px rgba(255, 215, 0, 0.4);
}
.chara-cell.stage-gold.rarity-5 {
  box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.75), 0 6px 26px rgba(150, 200, 255, 0.5), 0 0 34px rgba(180, 215, 255, 0.5);
}
.chara-cell.stage-gold .chara-img { animation: floatGold 2.5s ease-in-out infinite; }
@keyframes floatGold {
  0%, 100% { transform: translateY(0); filter: brightness(1); }
  50%      { transform: translateY(-6px); filter: brightness(1.08) drop-shadow(0 10px 8px rgba(120, 180, 230, 0.45)); }
}
@media (prefers-reduced-motion: reduce) {
  .chara-cell.stage-gold:not(.rarity-4):not(.rarity-5), .chara-cell.stage-gold .chara-img,
  .chara-cell.stage-silver .chara-img, .cstar.gold { animation: none; }
}

/* コンプリート印（コレクション見出し・常時） */
.complete-badge {
  display: inline-block;
  margin-left: 8px;
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-gold);
  padding: 2px 12px;
  border-radius: 999px;
  box-shadow: 0 2px 0 rgba(20, 100, 150, 0.18);
}

/* ===== コンプリート初回演出（オーバーレイ＋音符の紙吹雪） ===== */
.complete-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(40, 70, 100, 0.45);
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.complete-confetti { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.conf {
  position: absolute;
  top: -32px;
  font-family: 'Mochiy Pop One', sans-serif;
  animation: confFall linear infinite;
}
@keyframes confFall {
  0%   { transform: translateY(0) rotate(0deg); opacity: 0; }
  12%  { opacity: 1; }
  100% { transform: translateY(108vh) rotate(380deg); opacity: 0.9; }
}
.complete-card {
  position: relative;
  z-index: 2;
  text-align: center;
  background: linear-gradient(180deg, #ffffff 0%, #eaf6ff 100%);
  border: 4px solid var(--color-primary-light);
  border-radius: 26px;
  padding: 26px 30px;
  box-shadow: 0 12px 40px rgba(20, 100, 150, 0.4);
  animation: popIn 0.4s ease;
}
@keyframes popIn { from { transform: scale(0.82); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.complete-emoji { font-size: 2.6rem; }
.complete-title {
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 1.8rem;
  color: var(--color-primary-dark);
  margin: 4px 0;
}
.complete-sub {
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 1.15rem;
  color: var(--color-accent-dark);
  margin-bottom: 16px;
}
.complete-close { width: 100%; }
@media (prefers-reduced-motion: reduce) {
  .conf { animation-duration: 0.001s; opacity: 0; }
}

/* ===== データ保護（きろくの「だいじな データ」エリア＋ダイアログ） ===== */
.data-area {
  margin-top: 22px;
  padding-bottom: 8px;
  text-align: center;
}
.data-sep {
  height: 0;
  border-top: 2px dashed rgba(150, 180, 210, 0.4);
  margin: 0 0 14px;
}
.data-title {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-text-light);
}
.data-note {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin: 4px 0 10px;
}
.data-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
}
.data-buttons .btn-sub { flex: 1; max-width: 180px; font-size: 1rem; padding: 12px 10px; }
.data-lastbackup {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 8px;
}
/* リマインド（ホーム・控えめ） */
.backup-remind {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding: 6px 8px 6px 14px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--color-primary-dark);
  background: rgba(255, 255, 255, 0.7);
  border: 1.5px solid var(--color-primary-light);
  border-radius: 999px;
}
.remind-close {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: none;
  background: rgba(120, 160, 200, 0.18);
  color: var(--color-text-light);
  font-size: 0.9rem;
  line-height: 1;
  cursor: pointer;
}
/* データ操作ダイアログ（確認・エラー・コピー） */
.data-overlay {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(40, 70, 100, 0.45);
  animation: fadeIn 0.2s ease;
}
.data-dialog {
  width: 100%;
  max-width: 360px;
  background: linear-gradient(180deg, #ffffff 0%, #eaf6ff 100%);
  border: 3px solid var(--color-primary-light);
  border-radius: 22px;
  padding: 22px 20px;
  text-align: center;
  box-shadow: 0 12px 36px rgba(20, 100, 150, 0.4);
  animation: popIn 0.25s ease;
}
.data-dialog-title {
  font-family: var(--font-display);
  font-weight: normal;
  font-size: 1.35rem;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}
.data-dialog-msg {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.6;
}
.data-dialog-sub { font-size: 0.78rem; color: var(--color-text-light); }
.data-dialog-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}
.data-dialog-actions .btn { flex: 1; font-size: 1.05rem; padding: 14px 8px; }
.data-copy-text {
  width: 100%;
  height: 120px;
  margin-top: 12px;
  font-size: 0.7rem;
  font-family: monospace;
  border: 1.5px solid var(--color-primary-light);
  border-radius: 10px;
  padding: 8px;
  resize: none;
}

/* ===== コレクション：カードを大きく見るモーダル ===== */
.chara-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(40, 70, 100, 0.5);
  animation: fadeIn 0.2s ease;
}
.chara-modal {
  position: relative;
  width: 100%;
  max-width: 320px;
  animation: popIn 0.25s ease;
}
.chara-modal-close {
  position: absolute;
  top: -14px;
  right: -8px;
  z-index: 6;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 3px solid #fff;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 3px 8px rgba(20, 100, 150, 0.4);
}
/* 大きいカード（コレクションのセル様式＋昇格演出をそのまま拡大して再現） */
.chara-cell.chara-modal-card {
  width: 100%;
  padding: 18px 16px 20px;
  border-radius: 24px;
  cursor: default;
}
.chara-modal-thumb {
  appearance: none;
  -webkit-appearance: none;
  border: none;
  background: #fff;
  padding: 0;
  width: 100%;
  display: block;
  cursor: pointer; /* タップ可能（次段階でセリフ吹き出し） */
}
.chara-modal-card .chara-img { object-fit: contain; }
.chara-modal-name {
  font-size: 1.7rem;
  margin-top: 12px;
}
.chara-modal-rarity {
  font-size: 1.4rem;
  letter-spacing: 2px;
  margin-top: 2px;
}
.chara-modal-count {
  margin-top: 8px;
  font-size: 1rem;
  padding: 2px 14px;
}
/* モーダルでは星・粒子を大きく見せる */
.chara-modal-card .chara-stars { top: 6px; left: 10px; gap: 2px; }
.chara-modal-card .cstar.bronze { font-size: 20px; }
.chara-modal-card .cstar.silver { font-size: 26px; }
.chara-modal-card .cstar.gold   { font-size: 30px; }
.chara-modal-card.stage-silver .note-dot { font-size: 22px; }
.chara-modal-card.stage-gold .note-dot { font-size: 26px; }
/* キャラ画像タップ時の軽いバウンド */
.chara-bounce { animation: charaBounce 0.34s ease; }
@keyframes charaBounce {
  0% { transform: scale(1); }
  40% { transform: scale(1.07); }
  70% { transform: scale(0.97); }
  100% { transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) { .chara-bounce { animation: none; } }

/* セリフの吹き出し（キャラの上・水色＋音符テイスト・下向きしっぽ） */
.chara-bubble {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 8;
  width: max-content;
  max-width: 260px;
  background: #fff;
  border: 2.5px solid var(--color-primary-light);
  border-radius: 18px;
  padding: 11px 16px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  text-align: center;
  box-shadow: 0 5px 14px rgba(20, 100, 150, 0.25);
}
.chara-bubble .bubble-note {
  position: absolute;
  top: -10px;
  right: -6px;
  font-size: 1rem;
  color: var(--color-accent);
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.9);
}
/* しっぽ（白）＋その下に枠線色のしっぽを重ねて縁取り */
.chara-bubble::before {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 12px solid transparent;
  border-top-color: var(--color-primary-light);
}
.chara-bubble::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: -3px;
  border: 10px solid transparent;
  border-top-color: #fff;
}
.chara-bubble.pop { animation: bubblePop 0.26s ease; }
@keyframes bubblePop {
  0% { opacity: 0; transform: translateX(-50%) translateY(8px) scale(0.82); }
  60% { transform: translateX(-50%) translateY(0) scale(1.06); }
  100% { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}
@media (prefers-reduced-motion: reduce) { .chara-bubble.pop { animation: none; } }

/* 控えめなトースト（未獲得タップ時など） */
.toast {
  position: fixed;
  left: 50%;
  bottom: 64px;
  transform: translateX(-50%);
  z-index: 1200;
  background: rgba(47, 74, 102, 0.92);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 10px 20px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(20, 100, 150, 0.35);
  animation: toastInOut 1.6s ease forwards;
  pointer-events: none;
}
@keyframes toastInOut {
  0% { opacity: 0; transform: translateX(-50%) translateY(8px); }
  15% { opacity: 1; transform: translateX(-50%) translateY(0); }
  80% { opacity: 1; }
  100% { opacity: 0; }
}

/* ===== シマエナガ応援マスコット ===== */
/* 五線譜（中央）を隠さないよう、回答ボタンの上の余白に右寄せで表示する */
.mascot {
  position: fixed;
  bottom: 172px;
  right: 8px;
  z-index: 500;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 4px;
  pointer-events: none;
  opacity: 0;
  transform: translateY(10px) scale(0.92);
  transition: opacity 0.25s ease-out, transform 0.25s ease-out;
}
.mascot.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.mascot-img {
  width: clamp(64px, 11vh, 104px);
  height: clamp(64px, 11vh, 104px);
  object-fit: contain;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
  flex-shrink: 0;
}
.mascot-bubble {
  position: relative;
  background: #fff;
  border: 2px solid var(--color-primary-light);
  border-radius: 14px;
  padding: clamp(6px, 1.2vh, 9px) clamp(8px, 2vw, 12px);
  font-family: var(--font-body);
  font-size: clamp(0.78rem, 2vh, 0.95rem);
  color: var(--color-text);
  font-weight: 900;
  max-width: clamp(120px, 35vw, 170px);
  min-width: 70px;
  text-align: center;
  box-shadow: 0 3px 10px rgba(90, 140, 200, 0.22);
  line-height: 1.3;
}
/* 吹き出しの三角（先端が右側のマスコットを指す） */
.mascot-bubble::after {
  content: '';
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  border-left: 12px solid var(--color-primary-light);
}
.mascot-bubble::before {
  content: '';
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 10px solid #fff;
  z-index: 1;
}
@media (prefers-reduced-motion: reduce) {
  .mascot { transition: opacity 0.2s ease; transform: none; }
  .mascot.visible { transform: none; }
}