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

.stage {
  position: relative;
  min-height: 100vh;
  margin: 0;
  overflow: hidden;
  background: #ff4d1f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
}

.parallax {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
.parallax__back {
  position: absolute;
  inset: -20% -20%;
  background: radial-gradient(#fff7e6 0 60px, transparent 61px) 20% 30%, radial-gradient(#fff7e6 0 40px, transparent 41px) 75% 65%;
  background-repeat: no-repeat;
  opacity: 0.55;
}
@supports (animation-timeline: scroll()) {
  .parallax__back {
    animation: drift-back linear both;
    animation-timeline: scroll(root);
  }
}
@supports not (animation-timeline: scroll()) {
  .parallax__back {
    transform: none;
  }
}
.parallax__front {
  position: relative;
  z-index: 1;
}
@supports (animation-timeline: scroll()) {
  .parallax__front {
    animation: drift-front linear both;
    animation-timeline: scroll(root);
  }
}
@supports not (animation-timeline: scroll()) {
  .parallax__front {
    transform: none;
  }
}
.parallax__title {
  margin: 0;
  padding: 14px 22px;
  border-radius: 999px;
  background: #17141a;
  color: #fff;
  font-weight: 700;
  font-size: clamp(16px, 5vw, 20px);
  line-height: 1;
  font-family: inherit;
}

@keyframes drift-back {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-20px);
  }
}
@keyframes drift-front {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-40px);
  }
}
.stage.is-demo .parallax__back {
  animation: drift-back-loop 2s ease-in-out infinite;
}

.stage.is-demo .parallax__front {
  animation: drift-front-loop 2s ease-in-out infinite;
}

@keyframes drift-back-loop {
  0%, 100% {
    transform: translateY(20px);
  }
  50% {
    transform: translateY(-20px);
  }
}
@keyframes drift-front-loop {
  0%, 100% {
    transform: translateY(40px);
  }
  50% {
    transform: translateY(-40px);
  }
}
@media (prefers-reduced-motion: reduce) {
  .parallax__back, .parallax__front,
  .stage.is-demo .parallax__back, .stage.is-demo .parallax__front {
    animation: none !important;
    transform: none;
  }
}
