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);
}

.sh-wrap {
  width: min(240px, 84vw);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.sh-badge {
  position: relative;
  overflow: hidden;
  display: inline-block;
  border-radius: 999px;
  padding: 8px 20px;
  background: #17141a;
  color: #fff7e6;
  font: 700 13px/1 -apple-system, "Segoe UI", sans-serif;
}

.sh-badge::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.65), transparent);
  transform: translateX(-260%) skewX(-12deg);
}

.sh-badge::after {
  animation: sh-sweep 2.4s ease-in-out infinite;
}

@keyframes sh-sweep {
  0% {
    transform: translateX(-260%) skewX(-12deg);
  }
  60%, 100% {
    transform: translateX(360%) skewX(-12deg);
  }
}
.sh-card {
  width: 100%;
  box-sizing: border-box;
  border-radius: 16px;
  padding: 16px;
  background: rgba(23, 20, 26, 0.55);
  color: #fff7e6;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font: 600 12px/1 -apple-system, "Segoe UI", sans-serif;
}

.sh-card__tag {
  opacity: 1;
}

.sh-card__price {
  font-size: 18px;
  font-weight: 700;
}

@media (prefers-reduced-motion: reduce) {
  .sh-badge::after {
    animation: none !important;
    opacity: 0 !important;
  }
}