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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffd23f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.card {
  width: clamp(160px, 60%, 260px);
  padding: clamp(10px, 2.6vw, 14px);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.55);
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  display: grid;
  gap: clamp(8px, 2vw, 10px);
}

.desc, .title, .thumb {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  background: rgba(23, 20, 26, 0.16);
}
.desc::after, .title::after, .thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.85), transparent);
  transform: translateX(-120%);
  animation: shimmer 2s ease-out infinite;
}

.thumb {
  aspect-ratio: 2/1;
}

.title {
  height: clamp(12px, 3.6vw, 16px);
  width: 70%;
}

.desc {
  height: clamp(9px, 3vw, 12px);
}

.desc.short {
  width: 55%;
}

.title::after {
  animation-delay: -120ms;
}

.desc::after {
  animation-delay: -240ms;
}

.desc.short::after {
  animation-delay: -360ms;
}

@keyframes shimmer {
  to {
    transform: translateX(120%);
  }
}
@media (prefers-reduced-motion: reduce) {
  .thumb::after, .title::after, .desc::after {
    animation: none !important;
    opacity: 0.5;
    transform: translateX(0);
  }
}