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);
}

.stage {
  position: relative;
}

.icon {
  width: 64px;
  height: 64px;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #17141a;
  color: #fff7e6;
  cursor: pointer;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
}

.tag {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 12px;
  border-radius: 8px;
  background: rgba(255, 247, 230, 0.25);
  color: #17141a;
  font-weight: 700;
  font-size: 12px;
  line-height: 1;
  font-family: inherit;
  letter-spacing: 0.04em;
}

.o-puru {
  animation: o-puru 900ms ease-in-out infinite;
}

@keyframes o-puru {
  0%, 100% {
    transform: scale(1, 1);
  }
  25% {
    transform: scale(1.07, 0.94);
  }
  50% {
    transform: scale(1, 1.07);
  }
  75% {
    transform: scale(0.93, 1);
  }
}
@media (prefers-reduced-motion: reduce) {
  .o-puru {
    animation: none;
  }
}