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);
}

.outline {
  margin: 0;
  font-weight: 900;
  font-size: clamp(28px, 8.8vw, 46px);
  line-height: 1.2;
  font-family: inherit;
  text-align: center;
  color: transparent;
  -webkit-text-stroke: 2px #2f6df6;
  text-stroke: 2px #2f6df6;
  animation: glow 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

@keyframes glow {
  0%, 100% {
    filter: drop-shadow(0 0 3px rgba(47, 109, 246, 0.5));
  }
  50% {
    filter: drop-shadow(0 0 14px rgba(47, 109, 246, 0.9)) drop-shadow(0 0 26px rgba(47, 109, 246, 0.5));
  }
}
@media (prefers-reduced-motion: reduce) {
  .outline {
    animation: none;
    filter: drop-shadow(0 0 10px rgba(47, 109, 246, 0.7));
  }
}