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);
}

.ae-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff7e6;
  text-decoration: none;
  font: 600 16px/1 -apple-system, "Segoe UI", sans-serif;
}

.ae-link__arrow {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 26px;
  height: 12px;
}

.ae-link__shaft {
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: #fff7e6;
  transform-origin: left center;
  transform: scaleX(1);
  transition: transform 260ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.ae-link__head {
  position: absolute;
  left: 10px;
  width: 8px;
  height: 8px;
  border-top: 2px solid #fff7e6;
  border-right: 2px solid #fff7e6;
  transform: translateX(0) rotate(45deg);
  transition: transform 260ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.ae-link__trail {
  position: absolute;
  left: 10px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #fff7e6;
  opacity: 0;
}

.ae-link:hover .ae-link__shaft {
  transform: scaleX(1.8);
}

.ae-link:hover .ae-link__head {
  transform: translateX(10px) rotate(45deg);
}

@keyframes ae-trail-hover {
  0% {
    opacity: 0;
    transform: translateX(0) scale(0.6);
  }
  45% {
    opacity: 0.5;
    transform: translateX(5px) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateX(9px) scale(0.4);
  }
}
.ae-link:hover .ae-link__trail--1 {
  animation: ae-trail-hover 420ms ease-out forwards;
}

.ae-link:hover .ae-link__trail--2 {
  animation: ae-trail-hover 420ms ease-out 70ms forwards;
}

@keyframes ae-extend-shaft {
  0%, 20% {
    transform: scaleX(1);
  }
  50%, 70% {
    transform: scaleX(1.8);
  }
  100% {
    transform: scaleX(1);
  }
}
@keyframes ae-extend-head {
  0%, 20% {
    transform: translateX(0) rotate(45deg);
  }
  50%, 70% {
    transform: translateX(10px) rotate(45deg);
  }
  100% {
    transform: translateX(0) rotate(45deg);
  }
}
@keyframes ae-trail-loop {
  0%, 20% {
    opacity: 0;
    transform: translateX(0) scale(0.6);
  }
  38% {
    opacity: 0.5;
    transform: translateX(5px) scale(1);
  }
  50%, 70% {
    opacity: 0;
    transform: translateX(9px) scale(0.4);
  }
  100% {
    opacity: 0;
    transform: translateX(0) scale(0.6);
  }
}
.ae-link.is-demo .ae-link__shaft {
  animation: ae-extend-shaft 2s cubic-bezier(0.34, 1.56, 0.64, 1) infinite;
}

.ae-link.is-demo .ae-link__head {
  animation: ae-extend-head 2s cubic-bezier(0.34, 1.56, 0.64, 1) infinite;
}

.ae-link.is-demo .ae-link__trail--1 {
  animation: ae-trail-loop 2s ease-out infinite;
}

.ae-link.is-demo .ae-link__trail--2 {
  animation: ae-trail-loop 2s ease-out 60ms infinite;
}

@media (prefers-reduced-motion: reduce) {
  .ae-link:hover .ae-link__shaft,
  .ae-link.is-demo .ae-link__shaft {
    animation: none !important;
    transition: none !important;
    transform: scaleX(1) !important;
  }
  .ae-link:hover .ae-link__head,
  .ae-link.is-demo .ae-link__head {
    animation: none !important;
    transition: none !important;
    transform: translateX(0) rotate(45deg) !important;
  }
  .ae-link__trail,
  .ae-link:hover .ae-link__trail,
  .ae-link.is-demo .ae-link__trail {
    animation: none !important;
    opacity: 0 !important;
  }
}