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);
}

.cr-wrap {
  width: 148px;
  height: 148px;
  display: grid;
  place-items: center;
}

.cr-ring {
  width: 148px;
  height: 148px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #ff9ebb, #b9a0ff, #6ec8ff, #ff9ebb);
  mask: radial-gradient(farthest-side, rgba(0, 0, 0, 0) calc(100% - 22px), #000 calc(100% - 21px));
}

.cr-wrap.is-loading .cr-ring,
.cr-wrap.is-demo .cr-ring {
  animation: cr-spin 1s linear infinite;
}
.cr-wrap.is-loading,
.cr-wrap.is-demo {
  animation: cr-breathe 2s ease-out infinite;
}

@keyframes cr-spin {
  to {
    transform: rotate(360deg);
  }
}
@keyframes cr-breathe {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.12);
  }
}
@media (prefers-reduced-motion: reduce) {
  .cr-wrap.is-loading,
  .cr-wrap.is-demo {
    animation: none !important;
  }
  .cr-wrap.is-loading .cr-ring,
  .cr-wrap.is-demo .cr-ring {
    animation: none !important;
  }
}
@media (max-width: 340px), (max-height: 220px) {
  .cr-wrap, .cr-ring {
    width: 116px;
    height: 116px;
  }
}
