html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffd23f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.wooddoors {
  display: grid;
  place-items: center;
}

.wooddoors__frame {
  position: relative;
  width: clamp(212px, 66vw, 300px);
  aspect-ratio: 16/10;
  border-radius: 16px;
  overflow: hidden;
  background: #2d1c0d;
  box-shadow: 0 10px 16px rgba(23, 20, 26, 0.35), inset 0 0 0 4px #241608;
}

.wooddoors__slot {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 16px;
  border-radius: 16px;
  background: #fff7e6;
}

.wooddoors__slot-title {
  margin: 0;
  color: #574a38;
  font-weight: 800;
  font-size: clamp(13px, 3.4vw, 17px);
  line-height: 1.2;
  font-family: inherit;
}

.wooddoors__slot-desc {
  margin: 0;
  color: #7a6c56;
  font-weight: 500;
  font-size: clamp(10px, 2.6vw, 12px);
  line-height: 1.3;
  font-family: inherit;
}

.wooddoors__leaf {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50.5%;
  background: radial-gradient(ellipse 14px 22px at 62% 30%, rgba(74, 44, 12, 0.55) 0 38%, rgba(192, 138, 78, 0.5) 42% 52%, transparent 60%), repeating-linear-gradient(90deg, #b57e46 0 12px, #a96f38 12px 15px, #c08a4e 15px 27px, #96622e 27px 30px, #b57e46 30px 38px, #906a47 38px 41px);
  box-shadow: inset 0 2px 0 rgba(255, 230, 190, 0.3), inset 0 -4px 0 rgba(45, 25, 6, 0.55);
  animation: doorsOpenL 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.wooddoors__leaf--l {
  left: 0;
}

.wooddoors__leaf--r {
  right: 0;
  animation-name: doorsOpenR;
}

.wooddoors__knot {
  position: absolute;
  top: 22%;
  left: 16%;
  width: 28px;
  height: 44px;
  border-radius: 50%;
  background: repeating-radial-gradient(ellipse at 50% 50%, rgba(74, 44, 12, 0.5) 0 2px, rgba(192, 138, 78, 0.4) 2px 5px);
}

.wooddoors__knot--low {
  top: 48%;
  left: auto;
  right: 20%;
}

.wooddoors__handle {
  position: absolute;
  top: calc(50% - 8px);
  width: 8px;
  height: 16px;
  border-radius: 999px;
  background: linear-gradient(90deg, #c9a24e, #ddd3ba 55%, #b09760);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.wooddoors__leaf--l .wooddoors__handle {
  right: 12px;
}

.wooddoors__leaf--r .wooddoors__handle {
  left: 12px;
}

@keyframes doorsOpenL {
  0%, 10% {
    transform: translateX(0);
  }
  42%, 60% {
    transform: translateX(-92%);
  }
  88%, 100% {
    transform: translateX(0);
  }
}
@keyframes doorsOpenR {
  0%, 10% {
    transform: translateX(0);
  }
  42%, 60% {
    transform: translateX(92%);
  }
  88%, 100% {
    transform: translateX(0);
  }
}
@media (max-width: 340px), (max-height: 220px) {
  .wooddoors__slot {
    padding: 12px;
  }
  .wooddoors__knot {
    width: 20px;
    height: 32px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .wooddoors__leaf {
    animation: none !important;
    transform: translateX(-92%);
  }
  .wooddoors__leaf--r {
    transform: translateX(92%);
  }
}