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);
}

.footerclay {
  margin: 0;
  box-sizing: border-box;
  display: flex;
  gap: 12px;
  width: clamp(240px, 84vw, 380px);
  border-radius: 16px 16px 0 0;
  background: #fff7e6;
  padding: 20px 16px;
  box-shadow: 8px 8px 16px rgba(23, 20, 26, 0.16), -8px -8px 16px rgba(255, 255, 255, 0.9);
}

.footerclay__col {
  flex: 1;
  box-sizing: border-box;
  border-radius: 8px;
  background: rgba(23, 20, 26, 0.04);
  padding: 12px;
  animation: colFloat 2s ease-out infinite;
}

.footerclay__col--a {
  animation-delay: 0s;
}

.footerclay__col--b {
  animation-delay: -0.6s;
}

.footerclay__col--c {
  animation-delay: -1.2s;
}

.footerclay__h {
  margin: 0 0 4px;
  color: rgba(23, 20, 26, 0.72);
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10.5px);
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footerclay__link {
  margin: 0;
  color: #17141a;
  font-weight: 600;
  font-size: clamp(11px, 2.6vw, 13px);
  line-height: 1.3;
}

@keyframes colFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}
@media (prefers-reduced-motion: reduce) {
  .footerclay__col {
    animation: none !important;
    transform: none;
  }
}