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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ff4d1f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.btn {
  appearance: none;
  border: none;
  padding: 12px 32px;
  font-size: 15px;
  font-weight: 700;
  color: #17141a;
  background: #4cd4a6;
  corner-shape: scoop;
  border-radius: 4px;
  cursor: pointer;
  transition: box-shadow 220ms ease-out;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
}
.btn:hover {
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
}
.btn:focus-visible {
  outline: 2px solid #17141a;
  outline-offset: 3px;
}

@supports not (corner-shape: scoop) {
  .btn {
    border: 1px solid rgba(23, 20, 26, 0.25);
  }
}
.readout {
  margin: 0;
  color: #17141a;
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 340px) {
  .btn {
    padding: 8px 24px;
    font-size: 14px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .btn {
    transition: none;
  }
}