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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.stage {
  position: relative;
}

.ctavum__panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 20px;
  border-radius: 16px;
  background: #231f28;
}

.ctavum__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  border: 0;
  border-radius: 12px;
  background: #17141a;
  padding: 16px 20px;
  cursor: pointer;
}

.ctavum__bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 40px;
}

.ctavum__bar {
  width: 6px;
  height: 14%;
  border-radius: 4px;
  background: #3ddc97;
}

.ctavum__bar:nth-child(4),
.ctavum__bar:nth-child(5) {
  background: #ff7a5e;
}

.ctavum__label {
  color: #fff7e6;
  font-family: inherit;
  font-weight: 700;
  font-size: 13px;
}

.ctavum__hint {
  color: #9a93a6;
  font-size: 12px;
  text-align: center;
}

@media (max-width: 340px) {
  .ctavum__panel {
    padding: 16px;
    gap: 12px;
  }
  .ctavum__btn {
    padding: 12px 16px;
  }
  .ctavum__bars {
    height: 34px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .ctavum__bar {
    transition: none !important;
  }
}