/* Phase 1: white catch + deco | Phase 2: TCD121-style video clip reveal → hero */

:root {
  --loader-catch-color: #00A3A3;
  --loader-white: #F8FBFC;
  --loader-catch-size-pc: 32px;
  --loader-catch-size-sp: 22px;
  --loader-deco-scale-pc: 34.5%;
  --loader-deco-scale-sp: 65%;
  --loader-t-text-delay: 500ms;
  --loader-t-text-dur: 1800ms;
  --loader-t-deco1-delay: 500ms;
  --loader-t-deco2-delay: 2500ms;
  --loader-t-phase1: 6000ms;
  --loader-t-phase2-start: 4500ms;
  --loader-t-catch-fade: 500ms;
  --loader-t-video-dur: 2800ms;
}

html {
  overflow-y: scroll;
  scrollbar-gutter: stable;
}

html.is-preloader-lock {
  overflow: hidden;
}

body.is-preloader-active:not(.is-preloader-ended),
body.is-opening-video:not(.is-preloader-ended) {
  overflow: hidden;
  background: var(--loader-white);
}

html.is-preloader-ended,
body.is-preloader-ended {
  overflow: visible;
}

body.is-preloader-active {
  pointer-events: none;
}

body.is-opening-video {
  pointer-events: none;
}

body.is-preloader-ended {
  pointer-events: auto;
}

/* ----- Phase 1: white layer + catch + deco ----- */
.site-loader-catch {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: auto;
  height: 100%;
  z-index: 99999;
  overflow: hidden;
  pointer-events: none;
  background: var(--loader-white);
  opacity: 1;
}

.site-loader-catch.is-behind-video {
  z-index: 99998;
}

.site-loader-catch.is-fade-out {
  opacity: 0;
  transition: opacity var(--loader-t-catch-fade) ease;
}

.site-loader-catch__content {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  min-width: min(600px, 100%);
  width: auto;
  padding: clamp(60px, 12vw, 100px) clamp(40px, 14vw, 200px);
  text-align: center;
}

.site-loader-catch__text {
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: "Noto Serif JP", "Yu Mincho", serif;
  font-size: var(--loader-catch-size-pc);
  font-weight: 600;
  line-height: 2;
  color: var(--loader-catch-color);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  display: block;
  text-align: left;
}

.site-loader-catch__text span {
  display: block;
  opacity: 0;
  transform: translate3d(0, 30px, 0);
}

.site-loader-catch.is-start .site-loader-catch__text span {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition:
    opacity var(--loader-t-text-dur) ease var(--loader-t-text-delay),
    transform var(--loader-t-text-dur) ease var(--loader-t-text-delay);
}

.site-loader-catch__deco {
  position: absolute;
  display: block;
  width: auto;
  height: auto;
  pointer-events: none;
  opacity: 0;
  z-index: 0;
}

.site-loader-catch__deco--tl {
  top: 0;
  left: 0;
  transform: translate3d(-50%, -50%, 0);
}

.site-loader-catch__deco--br {
  top: auto;
  bottom: 0;
  left: auto;
  right: 0;
  transform: translate3d(50%, 50%, 0);
}

.site-loader-catch.is-start .site-loader-catch__deco--tl {
  opacity: 1;
  transition: opacity 1.5s ease var(--loader-t-deco1-delay);
}

.site-loader-catch.is-start .site-loader-catch__deco--br {
  opacity: 1;
  transition: opacity 1.5s ease var(--loader-t-deco2-delay);
}

@media screen and (max-width: 1160px) {
  .site-loader-catch__deco--tl {
    transform: translate3d(-100px, -50%, 0) scale(var(--loader-deco-scale-pc));
    transform-origin: left center;
  }
  .site-loader-catch__deco--br {
    transform: translate3d(100px, 50%, 0) scale(var(--loader-deco-scale-pc));
    transform-origin: right center;
  }
}

@media screen and (max-width: 1000px) {
  .site-loader-catch__deco--tl {
    transform: translate3d(-50px, -50%, 0) scale(var(--loader-deco-scale-pc));
  }
  .site-loader-catch__deco--br {
    transform: translate3d(50px, 50%, 0) scale(var(--loader-deco-scale-pc));
  }
}

@media screen and (max-width: 800px) {
  .site-loader-catch__content {
    min-width: 0;
    width: 100%;
    padding: 100px 24px;
  }

  .site-loader-catch__text {
    font-size: var(--loader-catch-size-sp);
  }

  .site-loader-catch__deco--tl {
    transform: translate3d(-30%, -50%, 0) scale(var(--loader-deco-scale-sp));
  }

  .site-loader-catch__deco--br {
    transform: translate3d(30%, 50%, 0) scale(var(--loader-deco-scale-sp));
  }
}

/* ----- Phase 2: expand window → fullscreen → shrink to hero ----- */
.site-loader-video {
  position: fixed;
  inset: 0;
  z-index: 100000;
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  background: transparent;
  clip-path: inset(50% round 15px);
  will-change: clip-path;
}

.site-loader-video.is-active {
  opacity: 1;
  visibility: visible;
  animation: loader-video-reveal var(--loader-t-video-dur) ease forwards;
}

.site-loader-video.is-handoff {
  animation: none;
  clip-path: inset(var(--clip-top, 0) var(--clip-right, 0) var(--clip-bottom, 0) var(--clip-left, 0) round 0);
  opacity: 0;
  visibility: hidden;
  transition: none;
  will-change: auto;
}

.site-loader-video__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

@keyframes loader-video-reveal {
  0% {
    clip-path: inset(50% round 15px);
  }
  32% {
    clip-path: inset(20% round 15px);
  }
  42% {
    clip-path: inset(20% round 15px);
  }
  55% {
    clip-path: inset(0% round 0);
  }
  68% {
    clip-path: inset(0% round 0);
  }
  100% {
    clip-path: inset(var(--clip-top, 0) var(--clip-right, 0) var(--clip-bottom, 0) var(--clip-left, 0) round 0);
  }
}

/* Skip button */
.site-loader-skip {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 100001;
  pointer-events: auto;
  padding: 8px;
  border: none;
  background: transparent;
  color: #1F365C;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: lowercase;
  text-shadow: 0 0 10px rgba(248, 251, 252, 0.95), 0 1px 4px rgba(0, 0, 0, 0.18);
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 0.35s ease 0.8s,
    transform 0.35s ease 0.8s,
    color 0.2s ease;
}

body.is-preloader-active:not(.is-preloader-ended) .site-loader-skip,
body.is-opening-video:not(.is-preloader-ended) .site-loader-skip {
  opacity: 1;
  transform: translateY(0);
}

.site-loader-skip:hover {
  color: #00A3A3;
}

.site-loader-skip:focus-visible {
  outline: none;
  color: #00A3A3;
}

body.is-preloader-ended .site-loader-skip {
  display: none;
}