* {
  box-sizing: border-box;
}

/* 「マスターへの道」シリーズ共通UI */
:root{--bg1:#f4f7f5;--bg2:#edf3ef;--brown:#2f4037;--brown2:#6b7b72;--cream:#fff;--accent:#3f8061;--accent2:#7aa384;--green:#3f8061;--red:#a35f5f;--shadow:0 8px 22px rgba(37,68,52,.08)}
body{font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",sans-serif;background:#f4f7f5}
.topbar{min-height:88px;padding:6px 14px 10px;background:#fff;border-bottom:2px solid #dfe8e2}
.brand{display:block;text-align:center;color:#30664c;font-size:.75rem;font-weight:800;letter-spacing:.1em}
.topbar h1{display:flex;justify-content:center;align-items:baseline;gap:.38em;font-size:clamp(26px,3.5vw,42px);letter-spacing:.02em}
.title-name{color:#30664c}.title-series{font-size:.68em;color:#2f4037}
.menu-card,.result-card{background:#fff;border:1px solid #d6e0da;border-radius:18px;box-shadow:var(--shadow)}
.result-card{border-top:6px solid var(--green)}
.mode-button,.level-button,.primary-button,.secondary-button,.small-button,.step-button{border-radius:14px}
.mode-button{box-shadow:0 4px 0 rgba(49,78,62,.13)}
.primary-button{background:var(--green);border-color:var(--green);color:#fff}
.secondary-button,.small-button{background:#edf3ef;border-color:#c7d6cd;color:#30664c}
.score-box{background:#edf3ef;border:1px solid #c7d6cd;box-shadow:none}

:root {
  --bg1: #f8f1df;
  --bg2: #ead6aa;
  --brown: #5c3a1f;
  --brown2: #7a5632;
  --cream: #fffaf0;
  --accent: #e8a84f;
  --accent2: #f6c56b;
  --green: #5ca96b;
  --red: #d75e4d;
  --shadow: 0 8px 20px rgba(77, 52, 27, 0.18);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Hiragino Maru Gothic ProN", "Yu Gothic", sans-serif;
  color: var(--brown);
  background: linear-gradient(180deg, var(--bg1), var(--bg2));
  overflow: hidden;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  touch-action: manipulation;
}

.app {
  width: 100vw;
  min-height: 100vh;
  padding: 14px;
}

.topbar {
  min-height: 88px;
  display: grid;
  grid-template-columns: 120px 1fr 120px;
  align-items: center;
  gap: 12px;
}

.topbar h1 {
  margin: 0;
  text-align: center;
  font-size: clamp(28px, 4vw, 48px);
  letter-spacing: .08em;
}

.topbar p {
  margin: 4px 0 0;
  text-align: center;
  font-size: clamp(13px, 1.5vw, 18px);
}

.score-box {
  justify-self: end;
  width: 110px;
  padding: 8px 12px;
  border-radius: 16px;
  background: var(--cream);
  box-shadow: var(--shadow);
  text-align: center;
}

.score-box span,
.score-box strong {
  display: block;
}

.score-box strong {
  font-size: 28px;
}

.screen {
  display: none;
}

.screen.active {
  display: block;
}

.menu-card,
.result-card {
  width: min(880px, 94vw);
  margin: 20px auto 0;
  padding: 26px;
  border-radius: 28px;
  background: rgba(255, 250, 240, 0.94);
  box-shadow: var(--shadow);
}

.menu-card h2 {
  margin: 6px 0 14px;
  text-align: center;
}

.mode-grid,
.level-grid {
  display: grid;
  gap: 14px;
}

.mode-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 24px;
}

.level-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 24px;
}

.mode-button,
.level-button {
  min-height: 84px;
  border: 3px solid transparent;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 5px 12px rgba(74, 47, 20, .12);
}

.mode-button.selected,
.level-button.selected {
  border-color: var(--accent);
  background: #fff4d8;
}

.mode-title,
.mode-desc {
  display: block;
}

.mode-title {
  font-size: 23px;
  font-weight: 800;
}

.mode-desc {
  margin-top: 6px;
  font-size: 14px;
}

.primary-button,
.secondary-button,
.small-button,
.step-button {
  border: 0;
  border-radius: 18px;
  font-weight: 800;
  box-shadow: 0 5px 0 rgba(79, 48, 20, .2);
}

.primary-button {
  display: block;
  width: min(340px, 100%);
  min-height: 62px;
  margin: 0 auto;
  background: linear-gradient(var(--accent2), var(--accent));
  font-size: 25px;
}

.secondary-button {
  display: block;
  width: min(340px, 100%);
  min-height: 54px;
  margin: 14px auto 0;
  background: #fff;
  border: 2px solid #d4bd92;
  font-size: 20px;
}

.small-button {
  min-height: 46px;
  padding: 0 18px;
  background: #fff;
  border: 2px solid #d4bd92;
}

.game-layout {
  height: calc(100vh - 112px);
  display: grid;
  grid-template-columns: minmax(380px, 1.2fr) minmax(330px, .8fr);
  gap: 18px;
}

.clock-panel,
.answer-panel {
  min-height: 0;
  border-radius: 28px;
  background: rgba(255, 250, 240, .94);
  box-shadow: var(--shadow);
}

.clock-panel {
  padding: 14px;
}

.status-row {
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 8px;
  font-weight: 800;
  font-size: 18px;
}

.clock-wrap {
  position: relative;
  width: min(62vh, 520px);
  aspect-ratio: 1;
  margin: 8px auto 0;
}

.clock-face {
  position: absolute;
  inset: 0;
  border: 14px solid var(--brown2);
  border-radius: 50%;
  background: radial-gradient(circle at center, #fffdf7 0 68%, #f4e4c5 69% 100%);
  box-shadow: inset 0 0 0 5px #d8ba84, 0 8px 20px rgba(70, 45, 22, .2);
}

.number {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 52px;
  height: 52px;
  margin: -26px;
  display: grid;
  place-items: center;
  font-size: clamp(25px, 3vw, 38px);
  font-weight: 900;
  transform:
    rotate(calc(var(--i) * 30deg))
    translateY(calc(-1 * min(25vh, 205px)))
    rotate(calc(var(--i) * -30deg));
}

.tick {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 3px;
  height: 12px;
  margin-left: -1.5px;
  margin-top: -6px;
  border-radius: 2px;
  background: #7f684d;
  transform:
    rotate(calc(var(--i) * 6deg))
    translateY(calc(-1 * min(27.5vh, 225px)));
}

.tick.major {
  width: 5px;
  height: 18px;
  margin-left: -2.5px;
  background: var(--brown);
}

.hand {
  position: absolute;
  left: 50%;
  bottom: 50%;
  width: 10px;
  border-radius: 10px 10px 4px 4px;
  transform-origin: 50% 100%;
  transform: translateX(-50%) rotate(0deg);
  transition: transform .35s ease;
}

.hour-hand {
  height: 28%;
  background: var(--brown);
}

.minute-hand {
  height: 38%;
  width: 7px;
  background: #c76045;
}

.center-dot {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 24px;
  height: 24px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--brown);
  border: 5px solid #fff5df;
}

.answer-panel {
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.answer-panel h2 {
  margin: 0 0 22px;
  text-align: center;
  font-size: clamp(24px, 3vw, 36px);
}

.answer-row {
  display: grid;
  grid-template-columns: 72px 1fr 72px;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.step-button {
  height: 72px;
  background: #fff;
  border: 3px solid #d9c49e;
  font-size: 38px;
}

.answer-value {
  height: 84px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  border-radius: 18px;
  background: #fff;
  border: 3px solid #e2cda8;
}

.answer-value strong {
  font-size: clamp(42px, 5vw, 64px);
}

.answer-value span {
  font-size: 24px;
  font-weight: 800;
}

.feedback {
  min-height: 42px;
  margin: 16px 0 4px;
  text-align: center;
  font-size: 25px;
  font-weight: 900;
}

.feedback.correct {
  color: var(--green);
}

.feedback.wrong {
  color: var(--red);
}

.result-card {
  margin-top: 50px;
  text-align: center;
}

.result-card h2 {
  font-size: 38px;
}

.result-card p {
  font-size: 21px;
}

.result-score strong {
  display: block;
  font-size: 72px;
  line-height: 1;
}

.result-score span {
  font-size: 24px;
  font-weight: 800;
}

.hidden {
  visibility: hidden !important;
  pointer-events: none !important;
}

@media (max-width: 820px) {
  body {
    overflow: auto;
  }

  .topbar {
    grid-template-columns: 88px 1fr 88px;
  }

  .score-box {
    width: 86px;
  }

  .game-layout {
    height: auto;
    grid-template-columns: 1fr;
  }

  .clock-wrap {
    width: min(78vw, 440px);
  }

  .number {
    transform:
      rotate(calc(var(--i) * 30deg))
      translateY(calc(-1 * min(33vw, 175px)))
      rotate(calc(var(--i) * -30deg));
  }

  .tick {
    transform:
      rotate(calc(var(--i) * 6deg))
      translateY(calc(-1 * min(36vw, 192px)));
  }

  .mode-grid,
  .level-grid {
    grid-template-columns: 1fr;
  }
}


.slide-control {
  position: relative;
  user-select: none;
  -webkit-user-select: none;
  touch-action: pan-y;
  cursor: ew-resize;
  overflow: hidden;
}

.slide-control::before,
.slide-control::after {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  opacity: .35;
  pointer-events: none;
}

.slide-control::before {
  content: "‹";
  left: 12px;
}

.slide-control::after {
  content: "›";
  right: 12px;
}

.slide-control.dragging {
  background: #fff4d8;
  border-color: var(--accent);
}

.slide-hint {
  margin: -2px 0 14px;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
  color: #8a6a45;
}


@media (max-width: 1000px) and (min-width: 821px) {
  .level-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 共通UIの最終上書き */
:root{--bg1:#f4f7f5;--bg2:#edf3ef;--brown:#2f4037;--brown2:#6b7b72;--cream:#fff;--accent:#3f8061;--accent2:#7aa384;--green:#3f8061;--red:#a35f5f;--shadow:0 8px 22px rgba(37,68,52,.08)}
body{font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",sans-serif;background:#f4f7f5}
.topbar{min-height:88px;padding:6px 14px 10px;background:#fff;border-bottom:2px solid #dfe8e2}
.brand{display:block;text-align:center;color:#30664c;font-size:.75rem;font-weight:800;letter-spacing:.1em}
.topbar h1{display:flex;justify-content:center;align-items:baseline;gap:.38em;font-size:clamp(26px,3.5vw,42px);letter-spacing:.02em}
.title-name{color:#30664c}.title-series{font-size:.68em;color:#2f4037}
.menu-card,.result-card{background:#fff;border:1px solid #d6e0da;border-radius:18px;box-shadow:var(--shadow)}
.result-card{border-top:6px solid var(--green)}
.mode-button,.level-button,.primary-button,.secondary-button,.small-button,.step-button{border-radius:14px}
.mode-button{box-shadow:0 4px 0 rgba(49,78,62,.13)}
.primary-button{background:var(--green);border-color:var(--green);color:#fff}
.secondary-button,.small-button{background:#edf3ef;border-color:#c7d6cd;color:#30664c}
.score-box{background:#edf3ef;border:1px solid #c7d6cd;box-shadow:none}