:root {
  --logo-duration: 1.2s;
  --door-duration: 0.7s;  /* 從1s改成0.7s更快 */
  --door-delay: 0s;       /* 點擊LOGO就馬上開門 */
  --transition-ease: cubic-bezier(.77,0,.175,1);
  --splash-bg: #000;
  --door-bg: #000;
  --transition-ease: cubic-bezier(.77,0,.175,1);}

#splash {
  position: fixed;
  inset: 0;
  background: var(--splash-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  cursor: pointer;
  overflow: hidden;
  opacity: 1;
  transition: opacity .3s ease-out;
}

#splash.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.logo-holder {
  width: min(80vmin, 1200px); /* 原本是40vmin, 240px */
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
}

.logo-image {
  width: 100%;
  height: auto;
  opacity: 0;
  animation: fadeIn var(--logo-duration) forwards;
}

@keyframes fadeIn {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

.door {
  position: fixed;
  top:0;
  bottom:0;
  width:50vw;
  background: var(--door-bg);
  z-index: 9998;
  transform: translateX(0);
  transition: transform var(--door-duration) var(--transition-ease) var(--door-delay);
}

.door-left {left:0;}
.door-right {right:0;}

body.doors-open .door-left {
  transform: translateX(-100%);
}
body.doors-open .door-right {
  transform: translateX(100%);
}

#splash * {
  font-family: inherit;}
  
.site-wrapper {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 4rem 1rem;
}