html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffd23f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.asr {
  display: grid;
  gap: 20px;
  justify-items: center;
}

.asr__readout {
  display: grid;
  justify-items: center;
  gap: 4px;
}

.asr__label {
  font: 500 12px/1 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  color: rgba(23, 20, 26, 0.64);
}

.asr__count {
  font: 800 44px/1 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  color: #c2361a;
  font-variant-numeric: tabular-nums;
  transform-origin: center;
}

.asr__count--ok {
  color: #0a4fe8;
}

.asr__row {
  display: flex;
  gap: 12px;
}

.asr__btn {
  border: 0;
  border-radius: 12px;
  padding: 8px 12px;
  font: 700 13px/1 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  cursor: pointer;
  transition: transform 140ms ease-out;
}
.asr__btn:active {
  transform: scale(0.96);
}

.asr__btn--fail {
  background: #17141a;
  color: #fff7e6;
}

.asr__btn--ok {
  background: #0a4fe8;
  color: #fff7e6;
}

@media (max-width: 340px) {
  .asr__count {
    font-size: 34px;
  }
  .asr__row {
    gap: 8px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .asr__btn {
    transition: none;
  }
}