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);
}

.cl {
  width: min(300px, 88vw);
}

.cl__svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.cl__flat {
  fill: none;
  stroke: rgba(23, 20, 26, 0.28);
  stroke-width: 3;
  stroke-dasharray: 6 6;
  stroke-linecap: round;
  animation: clFlatFade 2s ease-out infinite;
}

.cl__real {
  fill: none;
  stroke: #2f6df6;
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cl__reload {
  display: block;
  margin: 16px auto 0;
  appearance: none;
  border: none;
  cursor: pointer;
  background: #2f6df6;
  color: #fff7e6;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 999px;
}

.cl__reload:focus-visible {
  outline: 2px solid #17141a;
  outline-offset: 2px;
}

@keyframes clFlatFade {
  0% {
    opacity: 1;
  }
  12% {
    opacity: 1;
  }
  20% {
    opacity: 0;
  }
  82% {
    opacity: 0;
  }
  92% {
    opacity: 1;
  }
  100% {
    opacity: 1;
  }
}
@media (max-width: 340px) {
  .cl {
    width: min(250px, 84vw);
  }
}
@media (prefers-reduced-motion: reduce) {
  .cl__flat {
    animation: none;
    opacity: 0;
  }
  .cl__real {
    stroke-dashoffset: 0 !important;
    animation: none !important;
  }
}