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);
}

.ev {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 420px;
}

.ev__hint {
  margin: 0;
  font-weight: 700;
  font-size: clamp(10px, 2.6vw, 12px);
  line-height: 1.35;
  color: #17141a;
  text-align: center;
}

.ev__field {
  position: relative;
  width: clamp(160px, 38vw, 200px);
  height: clamp(150px, 36vw, 180px);
  display: grid;
  place-items: center;
  border-radius: 8px;
  outline: none;
}

.ev__field:focus-visible {
  box-shadow: 0 0 0 2px rgba(23, 20, 26, 0.5);
}

.ev__world {
  position: relative;
  transform-style: preserve-3d;
  transform: rotateX(-35.264deg) rotateZ(45deg);
  width: 1px;
  height: 1px;
}

.ev__layer {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--w);
  height: var(--w);
  transform: translate3d(-50%, -50%, 0);
  transition: transform 600ms cubic-bezier(0.2, 0.8, 0.2, 1);
  border: 1px solid rgba(23, 20, 26, 0.3);
  border-radius: 4px;
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
}

.ev__layer--roof {
  background: #c93000;
}

.ev__layer--attic {
  background: #fff7e6;
}

.ev__layer--room {
  background: #6ec8ff;
}

.ev__layer--floor {
  background: #2f6df6;
}

.ev__field:hover .ev__layer,
.ev__field:focus-visible .ev__layer,
.ev__field.is-open .ev__layer {
  transform: translate3d(-50%, -50%, var(--tz-open));
}

.ev__meta {
  margin: 0;
  font-size: clamp(9px, 2.4vw, 11px);
  color: rgba(23, 20, 26, 0.78);
}

.ev__meta b {
  font-weight: 800;
  color: #c93000;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 340px) {
  .ev {
    gap: 4px;
  }
  .ev__field {
    width: 140px;
    height: 128px;
  }
  .ev__hint {
    font-size: 8px;
  }
  .ev__meta {
    font-size: 7px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .ev.is-still .ev__layer {
    transition: none;
  }
}