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);
}

.mb-blob {
  width: 112px;
  height: 112px;
  border-radius: 58% 42% 43% 57%/45% 58% 42% 55%;
  background: #fff7e6;
}

.mb-blob.is-loading,
.mb-blob.is-demo {
  animation: mb-morph 2s linear infinite;
}

@keyframes mb-morph {
  0% {
    border-radius: 58% 42% 43% 57%/45% 58% 42% 55%;
    transform: rotate(0deg) scale(1);
  }
  25% {
    border-radius: 45% 55% 60% 40%/52% 42% 58% 48%;
    transform: rotate(90deg) scale(1.06);
  }
  50% {
    border-radius: 57% 43% 40% 60%/55% 47% 53% 45%;
    transform: rotate(180deg) scale(0.96);
  }
  75% {
    border-radius: 42% 58% 57% 43%/48% 55% 45% 52%;
    transform: rotate(270deg) scale(1.04);
  }
  100% {
    border-radius: 58% 42% 43% 57%/45% 58% 42% 55%;
    transform: rotate(360deg) scale(1);
  }
}
@media (prefers-reduced-motion: reduce) {
  .mb-blob.is-loading,
  .mb-blob.is-demo {
    animation: none !important;
    transform: none !important;
  }
}