/* ==========================================================
   倍数レーサー — multiple-racer.css
   すべてのセレクタに .mr-root を親にしてスコープ化
   ========================================================== */

.mr-root {
  --mr-good: #2ecc71;
  --mr-bad:  #e74c3c;
  --mr-gold: #f5c518;
  --mr-blue: #2d6cdf;

  position: relative;
  width: 100%;
  /* 電子黒板・タブレットを想定した16:9ビューポート高さ */
  height: min(100vw * 9 / 16, 92vh);
  max-width: 760px;
  margin: 0 auto;
  overflow: hidden;
  background: #0c1326;
  font-family: "Hiragino Maru Gothic ProN", "BIZ UDPGothic", system-ui, sans-serif;
  color: #fff;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  /* Cocoonテーマの body 設定に引きずられないよう上書き */
  box-sizing: border-box;
}

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

/* ---------- Canvas ---------- */
.mr-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* ---------- HUD ---------- */
.mr-hud {
  position: absolute;
  top: 0; left: 0; right: 0;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: none;
  text-shadow: 0 2px 4px rgba(0,0,0,.6);
  font-weight: 800;
}
.mr-hud.hidden { display: none !important; }

.mr-hud-pill {
  background: rgba(16,24,46,.78);
  border-radius: 14px;
  padding: 6px 12px;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 54px;
}
.mr-hud-pill small { font-size: 11px; font-weight: 700; opacity: .8; }
.mr-hud-pill b     { font-size: 20px; }

.mr-quest {
  flex: 1;
  text-align: center;
  font-size: clamp(20px, 5.4vw, 32px);
  color: var(--mr-gold);
}
.mr-quest span  { color: #fff; }
.mr-lives b     { font-size: 18px; }

/* ---------- コンボ・判定 ---------- */
.mr-combo {
  position: absolute;
  top: 70px; left: 50%;
  transform: translateX(-50%);
  font-size: 34px; font-weight: 900;
  color: var(--mr-gold); opacity: 0;
  text-shadow: 0 3px 0 #b8860b, 0 0 18px rgba(245,197,24,.8);
  pointer-events: none;
}
.mr-judge {
  position: absolute;
  top: 42%; left: 50%;
  transform: translate(-50%, -50%) scale(1);
  font-size: 90px; font-weight: 900;
  opacity: 0; pointer-events: none;
}

/* ---------- 操作ボタン ---------- */
.mr-controls {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 14px;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  pointer-events: none;
}
.mr-controls.hidden { display: none !important; }

.mr-ctrl-btn {
  pointer-events: auto;
  width: 92px; height: 92px;
  border: none; border-radius: 50%;
  background: rgba(45,108,223,.9);
  color: #fff; font-size: 42px; font-weight: 900;
  box-shadow: 0 6px 0 #1a4ba0, 0 8px 16px rgba(0,0,0,.4);
  cursor: pointer;
  transition: transform .06s, box-shadow .06s;
}
.mr-ctrl-btn:active {
  transform: translateY(4px);
  box-shadow: 0 2px 0 #1a4ba0;
}

/* ---------- 画面共通 ---------- */
.mr-screen {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 18px; padding: 24px;
  background: linear-gradient(180deg, #16224a, #0c1326);
  text-align: center;
  overflow-y: auto;
}
.mr-screen.hidden { display: none !important; }

/* ---------- タイポ ---------- */
.mr-game-title {
  font-size: clamp(38px, 11vw, 72px);
  font-weight: 900; letter-spacing: 2px;
  color: var(--mr-gold);
  text-shadow: 0 4px 0 #b8860b, 0 0 30px rgba(245,197,24,.5);
  line-height: 1;
}
.mr-game-title small {
  display: block; font-size: 18px; letter-spacing: 6px;
  color: #9fb4e0; text-shadow: none; margin-top: 6px;
}

.mr-road-divider {
  width: 160px; height: 8px; border-radius: 4px;
  background: repeating-linear-gradient(90deg, var(--mr-gold) 0 18px, transparent 18px 30px);
}

.mr-panel {
  background: rgba(255,255,255,.06);
  border: 2px solid rgba(255,255,255,.12);
  border-radius: 18px; padding: 20px;
  width: 100%; max-width: 440px; text-align: center;
}
.mr-panel h3 {
  font-size: 15px; color: #9fb4e0;
  margin-bottom: 12px; letter-spacing: 1px;
}

.mr-lead {
  max-width: 400px; color: #cfe;
  font-size: 16px; line-height: 1.6;
}

/* ---------- 倍数選択グリッド ---------- */
.mr-mult-grid {
  display: flex; flex-wrap: wrap;
  gap: 8px; justify-content: center;
}
.mr-opt {
  padding: 12px; border-radius: 12px; cursor: pointer;
  background: rgba(255,255,255,.08);
  border: 2px solid transparent;
  color: #fff; font-weight: 800; font-size: 18px;
  transition: .12s; min-width: 54px; text-align: center;
}
.mr-opt.sel { background: var(--mr-blue); border-color: #fff; }

/* ---------- モード選択 ---------- */
.mr-mode-grid {
  display: flex; gap: 14px; flex-wrap: wrap;
  justify-content: center; width: 100%; max-width: 440px;
}
.mr-mode-card {
  flex: 1; min-width: 160px; padding: 22px 16px;
  border-radius: 18px; cursor: pointer;
  background: rgba(255,255,255,.07);
  border: 3px solid rgba(255,255,255,.15);
  transition: .14s;
}
.mr-mode-card:hover { transform: translateY(-3px); border-color: var(--mr-gold); }
.mr-mc-title { font-size: 24px; font-weight: 900; color: var(--mr-gold); margin-bottom: 6px; }
.mr-mc-desc  { font-size: 13px; color: #cfe; line-height: 1.5; }

/* ---------- ボタン ---------- */
.mr-big-btn {
  pointer-events: auto; border: none; cursor: pointer;
  font-weight: 900; font-size: 24px;
  padding: 16px 44px; border-radius: 50px; color: #10182e;
  background: linear-gradient(180deg, #ffe066, var(--mr-gold));
  box-shadow: 0 6px 0 #b8860b, 0 10px 20px rgba(0,0,0,.4);
  transition: transform .06s, box-shadow .06s;
  font-family: inherit;
}
.mr-big-btn:active { transform: translateY(4px); box-shadow: 0 2px 0 #b8860b; }

.mr-sub-btn {
  pointer-events: auto;
  border: 2px solid rgba(255,255,255,.3);
  background: transparent; color: #fff;
  font-weight: 800; font-size: 16px;
  padding: 10px 24px; border-radius: 40px; cursor: pointer;
  font-family: inherit;
}

/* ---------- ステージアナウンス ---------- */
.mr-stage-no   { font-size: clamp(40px, 12vw, 68px); font-weight: 900; color: #fff; line-height: 1; }
.mr-stage-quest{ font-size: clamp(26px, 8vw, 42px);  font-weight: 900; color: var(--mr-gold); }
.mr-stage-meta { font-size: 16px; color: #9fb4e0; }

/* ---------- 結果 ---------- */
.mr-result-score {
  font-size: clamp(48px, 14vw, 84px); font-weight: 900;
  color: var(--mr-gold); line-height: 1;
  text-shadow: 0 4px 0 #b8860b;
}
.mr-result-line { font-size: 18px; color: #cfe; }
.mr-best        { font-size: 15px; color: #9fb4e0; }

/* ---------- レスポンシブ ---------- */
@media (max-height: 540px) {
  .mr-game-title  { font-size: 44px; }
  .mr-panel       { padding: 14px; }
  .mr-screen      { gap: 10px; }
  .mr-mode-card   { padding: 14px; }
}

/* ==========================================================
   修正: v1.1.0 UIクオリティ向上の追加スタイル
   ========================================================== */

/* 修正: 全クリア紙吹雪 */
.mr-confetti {
  position: absolute;
  top: -20px;
  border-radius: 2px;
  pointer-events: none;
  z-index: 50;
  animation: mr-confetti-fall 3s linear forwards;
}
@keyframes mr-confetti-fall {
  0%   { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(110vh) rotate(720deg); opacity: .6; }
}

/* 修正: タイトルにゆらぎアニメ */
.mr-game-title {
  animation: mr-title-bob 3s ease-in-out infinite;
}
@keyframes mr-title-bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

/* 修正: ビッグボタンに光沢スイープ */
.mr-big-btn {
  position: relative;
  overflow: hidden;
}
.mr-big-btn::after {
  content: '';
  position: absolute;
  top: 0; left: -80%;
  width: 40%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.65), transparent);
  animation: mr-btn-shine 2.8s ease-in-out infinite;
}
@keyframes mr-btn-shine {
  0%, 60% { left: -80%; }
  100%    { left: 130%; }
}

/* 修正: モードカードにアイコン風のアクセントと押し込み */
.mr-mode-card {
  box-shadow: 0 6px 0 rgba(0,0,0,.35);
}
.mr-mode-card:active {
  transform: translateY(3px);
  box-shadow: 0 2px 0 rgba(0,0,0,.35);
}

/* 修正: 倍数ボタンのホバー・押下感 */
.mr-opt {
  box-shadow: 0 3px 0 rgba(0,0,0,.3);
}
.mr-opt:active { transform: translateY(2px); box-shadow: 0 1px 0 rgba(0,0,0,.3); }
.mr-opt.sel { box-shadow: 0 3px 0 #1a4ba0, 0 0 12px rgba(45,108,223,.6); }

/* 修正: HUDピルにボーダーグロー */
.mr-hud-pill {
  border: 1px solid rgba(159,180,224,.35);
  backdrop-filter: blur(3px);
}

/* 修正: 画面遷移フェードイン */
.mr-screen:not(.hidden) {
  animation: mr-screen-in .35s ease-out;
}
@keyframes mr-screen-in {
  from { opacity: 0; transform: scale(.97); }
  to   { opacity: 1; transform: scale(1); }
}

/* 修正: ステージ番号にゴールドのアンダーライン演出 */
.mr-stage-no {
  position: relative;
  padding-bottom: 8px;
}

/* 修正: 結果スコアのポップイン */
.mr-result-score {
  animation: mr-score-pop .5s cubic-bezier(.2,1.6,.4,1);
}
@keyframes mr-score-pop {
  from { transform: scale(.3); opacity: 0; }
  to   { transform: scale(1);  opacity: 1; }
}

/* ---------- 修正: モーダル画面（タイトル・ゲームオーバー・全クリア）専用のハンバーガーメニュー ----------
   モード選択・お題選択・アナウンス・ステージクリア・ゲーム中の画面には出さず、最初の設定画面と
   結果を表示する2つの.mr-screenの左上にだけ配置。押すと他の整数関連アプリへのリンク一覧ドロワーが右から開く */
.mr-root .mr-menu-btn {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 5;
  width: 40px; height: 40px;
  border: none; border-radius: 50%;
  background: rgba(16,24,46,.78);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background .2s ease;
}
.mr-root .mr-menu-btn:hover { background: rgba(60,72,110,.9); }
.mr-root .mr-menu-btn-icon { width: 20px; height: 20px; fill: #fff; flex-shrink: 0; }

.mr-root .mr-menu-overlay {
  position: fixed; inset: 0; z-index: 1150;
  background: rgba(15, 30, 58, .45);
  opacity: 0; pointer-events: none;
  transition: opacity .2s ease;
}
.mr-root .mr-menu-overlay.is-open { opacity: 1; pointer-events: auto; }
.mr-root .mr-menu-drawer {
  position: fixed; z-index: 1151; top: 0; right: 0;
  width: min(380px, 90%); height: 100%; height: 100dvh;
  display: flex; flex-direction: column;
  background: #fff; border-left: 1px solid #d7e0eb;
  box-shadow: -12px 0 30px rgba(15, 30, 58, .25);
  transform: translateX(105%);
  transition: transform .25s ease;
  /* 修正: レース画面のダークテーマと切り離し、ドロワー内は可読性優先の白基調で統一 */
  color: #24364d;
  font-family: "Hiragino Maru Gothic ProN", "BIZ UDPGothic", system-ui, sans-serif;
  text-align: left;
}
.mr-root .mr-menu-drawer.is-open { transform: translateX(0); }
.mr-root .mr-menu-header {
  display: flex; align-items: center; gap: 10px;
  min-height: 64px; padding: 12px 14px;
  border-bottom: 1px solid #e5eaf2;
  flex: 0 0 auto;
}
.mr-root .mr-menu-heading { flex: 1; margin: 0; color: #1e3a5f; font-size: 18px; font-weight: 900; }
.mr-root .mr-menu-close,
.mr-root .mr-menu-back {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 0; border-radius: 50%;
  background: #f3f6fa; color: #1e3a5f;
  font: inherit; font-size: 20px; cursor: pointer;
}
.mr-root .mr-menu-content { flex: 1; overflow-y: auto; padding: 14px; }
.mr-root .mr-menu-topic-list,
.mr-root .mr-menu-app-list { display: grid; gap: 10px; }
.mr-root .mr-menu-topic {
  width: 100%; display: flex; align-items: center; gap: 12px;
  min-height: 58px; padding: 13px 15px;
  border: 1px solid #d7e0eb; border-radius: 16px;
  background: #fff; color: #24364d;
  font: inherit; font-size: 16px; font-weight: 700; text-align: left; cursor: pointer;
}
.mr-root .mr-menu-topic:hover { background: #f5f8fb; }
.mr-root .mr-menu-topic-name { flex: 1; }
.mr-root .mr-menu-topic-count { color: #667085; font-size: 13px; font-weight: 700; }
.mr-root .mr-menu-topic-arrow { color: #98a2b3; }
.mr-root .mr-menu-app {
  position: relative; display: block;
  padding: 14px 15px; border: 1px solid #d7e0eb; border-radius: 14px;
  background: #fff; color: #24364d;
  text-decoration: none !important;
  font-size: 15px; font-weight: 700; line-height: 1.5;
}
.mr-root .mr-menu-app:hover { background: #f5f8fb; }
.mr-root .mr-menu-app.is-current {
  padding-right: 66px;
  background: #eef4fb; border-color: #9db7d3; color: #1e3a5f;
  cursor: default;
}
.mr-root .mr-menu-current-badge {
  position: absolute; top: 50%; right: 10px; transform: translateY(-50%);
  padding: 3px 7px; border-radius: 999px;
  background: #1e3a5f; color: #fff; font-size: 10px; font-weight: 700;
}
.mr-root .mr-menu-empty { padding: 26px 12px; color: #667085; text-align: center; font-size: 14px; }
@media (max-width: 700px) {
  .mr-root .mr-menu-drawer { width: min(340px, 94%); }
}