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);
}

.rainbow {
  margin: 0;
  font-weight: 800;
  font-size: clamp(28px, 8.6vw, 46px);
  line-height: 1.2;
  font-family: inherit;
  text-align: center;
  background: linear-gradient(90deg, #2f6df6, #ffd23f, #ff4d1f, #c2361a, #fff7e6, #2f6df6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: hue-cycle 2s linear infinite;
}

@keyframes hue-cycle {
  from {
    filter: hue-rotate(0deg);
  }
  to {
    filter: hue-rotate(360deg);
  }
}
@media (prefers-reduced-motion: reduce) {
  .rainbow {
    animation: none;
    filter: hue-rotate(0deg);
  }
}