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);
}

.je {
  width: min(240px, 86vw);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.je__btn {
  box-sizing: border-box;
  padding: 8px 24px;
  border: 0;
  border-radius: 12px;
  background: #17141a;
  color: #fff7e6;
  font-weight: 600;
  font-size: 14px;
  line-height: 1;
  font-family: inherit;
  transform-origin: center;
}

.je__msg {
  margin: 0;
  color: #17141a;
  font-weight: 500;
  font-size: 11px;
  line-height: 1.3;
  font-family: inherit;
  text-align: center;
}

@keyframes je-jello {
  0%, 100% {
    transform: none;
  }
  15% {
    transform: skewX(-9deg) skewY(-9deg);
  }
  30% {
    transform: skewX(7deg) skewY(7deg);
  }
  45% {
    transform: skewX(-5deg) skewY(-5deg);
  }
  60% {
    transform: skewX(3deg) skewY(3deg);
  }
  75% {
    transform: skewX(-2deg) skewY(-2deg);
  }
  90% {
    transform: skewX(1deg) skewY(1deg);
  }
}
.je__btn.je--jello {
  animation: je-jello 800ms ease-out;
}

.je.is-demo .je__btn {
  animation: je-jello 800ms ease-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .je__btn.je--jello,
  .je.is-demo .je__btn {
    animation: none !important;
  }
}