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

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

.acc {
  display: grid;
  justify-items: center;
  gap: 8px;
}

.acc__num {
  font: 800 56px/1 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  color: #0a4fe8;
  font-variant-numeric: tabular-nums;
  transform-origin: center;
}

.acc__msg {
  font: 500 13px/1.4 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  color: rgba(23, 20, 26, 0.68);
  text-align: center;
}

.acc__btn {
  margin-top: 8px;
  border: 0;
  border-radius: 12px;
  padding: 8px 16px;
  background: #17141a;
  color: #fff7e6;
  font: 700 14px/1 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  cursor: pointer;
  transition: opacity 140ms ease-out;
}
.acc__btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

@media (max-width: 340px) {
  .acc__num {
    font-size: 40px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .acc__btn {
    transition: none;
  }
}