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);
}

.like {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #17141a;
  font-weight: 700;
  font-size: clamp(15px, 4vw, 18px);
  line-height: 1;
  font-family: inherit;
}

.heart {
  position: relative;
  display: inline-block;
  width: 34px;
  height: 30px;
  flex: none;
}

.heart::before,
.heart::after {
  content: "";
  position: absolute;
  top: 0;
  width: 18px;
  height: 28px;
  background: #2f6df6;
  border-radius: 18px 18px 0 0;
}

.heart::before {
  left: 17px;
  transform: rotate(-45deg);
  transform-origin: 0 100%;
}

.heart::after {
  left: 0;
  transform: rotate(45deg);
  transform-origin: 100% 100%;
}

.a-heartbeat {
  animation: heartbeat 1.2s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% {
    transform: scale(1);
  }
  14% {
    transform: scale(1.24);
  }
  28% {
    transform: scale(1);
  }
  42% {
    transform: scale(1.18);
  }
  70% {
    transform: scale(1);
  }
}
@media (prefers-reduced-motion: reduce) {
  .a-heartbeat {
    animation: none;
  }
}