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

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

.ts08-box {
  width: min(240px, 84vw);
  height: clamp(120px, 66vh, 220px);
  overflow-y: auto;
  padding: 8px;
  box-sizing: border-box;
  background: rgba(23, 20, 26, 0.05);
  border-radius: 8px;
}

.ts08-card {
  padding: 16px;
  margin-bottom: 8px;
  border-radius: 8px;
  background: #0a4fe8;
  color: #fff7e6;
  font: 700 13px/1 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  opacity: 0;
  transform: translateY(16px);
}
.ts08-card:last-of-type {
  margin-bottom: 0;
}

@supports (animation-timeline: view()) {
  .ts08-card:not(.is-demo) {
    animation: ts08-reveal ease-out both;
    animation-timeline: view();
    animation-range: entry 0% cover 40%;
  }
}
@supports not (animation-timeline: view()) {
  .ts08-card:not(.is-demo) {
    opacity: 1;
    transform: none;
  }
}
@keyframes ts08-reveal {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.ts08-card.is-demo {
  animation: ts08-reveal-loop 2s ease-out infinite;
}

.ts08-card.is-demo:nth-child(1) {
  animation-delay: 0ms;
}

.ts08-card.is-demo:nth-child(2) {
  animation-delay: 220ms;
}

.ts08-card.is-demo:nth-child(3) {
  animation-delay: 440ms;
}

.ts08-card.is-demo:nth-child(4) {
  animation-delay: 660ms;
}

@keyframes ts08-reveal-loop {
  0% {
    opacity: 0;
    transform: translateY(16px);
  }
  18% {
    opacity: 1;
    transform: translateY(0);
  }
  85% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(16px);
  }
}
@media (prefers-reduced-motion: reduce) {
  .ts08-card, .ts08-card.is-demo {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}