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);
}

.social-row {
  width: min(230px, 86vw);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.social-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1.5px solid #e6e2d8;
  border-radius: 12px;
  background: #ffffff;
  color: #17141a;
  font-size: 13px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(23, 20, 26, 0.04);
  transition: transform 140ms ease-out, box-shadow 140ms ease-out;
}
.social-btn:hover, .social-btn:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
}
.social-btn:focus-visible {
  outline: 2px solid #2f6df6;
  outline-offset: 2px;
}
.social-btn:active {
  transform: translateY(-1px);
}

.social-btn__dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.social-btn--a .social-btn__dot {
  background: #2f6df6;
}

.social-btn--b .social-btn__dot {
  background: #17141a;
}

.social-btn--c .social-btn__dot {
  background: #ffd23f;
}

.social-row.is-demo .social-btn--a {
  animation: lift 2s ease-out infinite;
}

.social-row.is-demo .social-btn--b {
  animation: lift 2s ease-out infinite;
  animation-delay: calc(2s / 3);
}

.social-row.is-demo .social-btn--c {
  animation: lift 2s ease-out infinite;
  animation-delay: calc(2s / 3 * 2);
}

@keyframes lift {
  0%, 88%, 100% {
    transform: translateY(0);
    box-shadow: 0 1px 0 rgba(23, 20, 26, 0.04);
  }
  12%, 22% {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
  }
}
@media (prefers-reduced-motion: reduce) {
  .social-btn {
    transition: none;
  }
  .social-row.is-demo .social-btn--a,
  .social-row.is-demo .social-btn--b,
  .social-row.is-demo .social-btn--c {
    animation: none;
  }
}