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);
}

.stage {
  perspective: 420px;
}

.marquee {
  width: min(300px, 80vw);
  overflow: hidden;
}

.marquee__track {
  display: flex;
  width: max-content;
  transform-style: preserve-3d;
  animation: marquee-scroll 2s linear infinite;
}

.marquee__card {
  margin-right: 8px;
  flex-shrink: 0;
  width: 40px;
  height: 64px;
  border-radius: 12px;
  background: #2f6df6;
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
  transform-style: preserve-3d;
}

.marquee__card:nth-child(1) {
  transform: rotateY(-44deg) translateZ(-40px);
}

.marquee__card:nth-child(2) {
  transform: rotateY(-22deg) translateZ(-20px);
}

.marquee__card:nth-child(3) {
  transform: rotateY(0deg) translateZ(-0px);
}

.marquee__card:nth-child(4) {
  transform: rotateY(22deg) translateZ(-20px);
}

.marquee__card:nth-child(5) {
  transform: rotateY(44deg) translateZ(-40px);
}

.marquee__card:nth-child(6) {
  transform: rotateY(-44deg) translateZ(-40px);
}

.marquee__card:nth-child(7) {
  transform: rotateY(-22deg) translateZ(-20px);
}

.marquee__card:nth-child(8) {
  transform: rotateY(0deg) translateZ(-0px);
}

.marquee__card:nth-child(9) {
  transform: rotateY(22deg) translateZ(-20px);
}

.marquee__card:nth-child(10) {
  transform: rotateY(44deg) translateZ(-40px);
}

@keyframes marquee-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}
@media (prefers-reduced-motion: reduce) {
  .marquee__track {
    animation: none;
    transform: translateX(0);
  }
}