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);
}

.pc-card {
  position: relative;
  width: 190px;
  height: 116px;
  border-radius: 16px;
  background: #17141a;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.pc-label {
  color: #fff7e6;
  font: 700 14px/1 -apple-system, "Segoe UI", sans-serif;
}

.pc-card::before,
.pc-card::after {
  content: "";
  position: absolute;
  top: -18px;
  left: 14px;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #2f6df6;
  box-shadow: 22px -8px 0 -1px #ffd23f, 44px 6px 0 0 #ff4d1f, 66px -12px 0 -1px #fff7e6, 88px 4px 0 0 #2f6df6, 110px -6px 0 -1px #ffd23f, 132px 8px 0 0 #fff7e6;
  opacity: 0;
}

.pc-card::after {
  left: 4px;
}

@keyframes pc-fall {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 0;
  }
  12% {
    opacity: 1;
  }
  100% {
    transform: translateY(150px) rotate(220deg);
    opacity: 0;
  }
}
.pc-card.is-demo::before,
.pc-card.is-demo::after {
  animation: pc-fall 1.2s ease-out infinite;
}

.pc-card.is-demo::after {
  animation-delay: 260ms;
}

@media (prefers-reduced-motion: reduce) {
  .pc-card.is-demo::before,
  .pc-card.is-demo::after {
    animation: none !important;
    opacity: 0 !important;
  }
}