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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.pn {
  width: min(360px, 88vw);
}

.pn__viewport {
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-left: 16px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.pn__viewport::-webkit-scrollbar {
  display: none;
}

.pn__track {
  display: flex;
  width: max-content;
}

.pn__slide {
  flex: 0 0 200px;
  aspect-ratio: 4/3;
  scroll-snap-align: start;
  margin-right: 12px;
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: end start;
  box-sizing: border-box;
}
.pn__slide:last-child {
  margin-right: 0;
}

.pn__slide--1 {
  background: linear-gradient(135deg, #2f6df6, #d6ddeb);
}

.pn__slide--2 {
  background: linear-gradient(135deg, #ff4d1f, #ebdbd6);
}

.pn__slide--3 {
  background: linear-gradient(135deg, #c2ae82, #ffd23f);
}

.pn__slide--4 {
  background: linear-gradient(135deg, #17141a, #4a3f5c);
}

.pn__cap {
  position: relative;
  z-index: 1;
  margin: 16px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  color: #17141a;
  font-weight: 700;
  font-size: clamp(12px, 3.2vw, 14px);
  line-height: 1;
  font-family: inherit;
}

.pn.is-demo .pn__track {
  animation: pn-loop 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

@keyframes pn-loop {
  0%, 8% {
    transform: translateX(0px);
  }
  23%, 31% {
    transform: translateX(-212px);
  }
  46%, 54% {
    transform: translateX(-424px);
  }
  69%, 77% {
    transform: translateX(-636px);
  }
  92%, 100% {
    transform: translateX(-848px);
  }
}
@media (prefers-reduced-motion: reduce) {
  .pn.is-demo .pn__track {
    animation: none !important;
  }
  .pn__viewport {
    scroll-behavior: auto;
  }
}