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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ff4d1f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.wrap {
  display: grid;
  place-items: center;
}

.card {
  position: relative;
  width: 176px;
  height: 176px;
  border: 0;
  padding: 0;
  appearance: none;
  cursor: pointer;
  border-radius: 16px;
  background: #17141a;
  overflow: hidden;
}
.card:focus-visible {
  outline: 2px solid #5b8cf8;
  outline-offset: 4px;
}

.cardMark {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 64px;
  height: 64px;
  background: #fff7e6;
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  opacity: 0.18;
}

.sheen {
  position: absolute;
  inset: 0;
  --hue-deg: 0deg;
  --sweep-pos: 0%;
  --sweep-angle: 115deg;
  background: linear-gradient(var(--sweep-angle), transparent 0%, rgba(255, 255, 255, 0.5) 18%, transparent 36%), conic-gradient(from var(--hue-deg), #ddb9bc, #e3d6c5, #e1e0c1, #c1e1d2, #c1d8e1, #cdc1e1, #ddb9bc);
  background-size: 220% 220%, 160% 160%;
  background-position: var(--sweep-pos) 50%, center;
  mix-blend-mode: color-dodge;
  opacity: 0.8;
  pointer-events: none;
}

@media (max-width: 340px) {
  .card {
    width: 138px;
    height: 138px;
  }
  .cardMark {
    width: 50px;
    height: 50px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .card {
    transition: none;
  }
}