/* Shared motion layer for the TOP v3 concepts. */
html,
body {
  max-width: 100%;
  overflow-x: clip;
}

.site-header {
  will-change: transform;
  transition:
    transform 0.42s cubic-bezier(.16, 1, .3, 1),
    border-color 0.5s ease-out,
    background 0.5s ease-out;
}

.site-header.is-headroom-hidden {
  transform: translate3d(0, -105%, 0);
}

.nav-open .site-header,
.site-header:focus-within {
  transform: translate3d(0, 0, 0);
}

html.js [data-reveal] {
  opacity: 0;
  transform: translate3d(0, 24px, 0);
  transition:
    opacity 1.2s cubic-bezier(.16, 1, .3, 1),
    transform 1.2s cubic-bezier(.16, 1, .3, 1);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}

html.js [data-reveal].is-in,
html.js .hero.is-ready [data-reveal],
html.js .hero.is-static [data-reveal] {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

[data-split] .split-char {
  display: inline-block;
  white-space: pre;
}

html.js [data-split] .split-char {
  opacity: 0;
  transform: translate3d(0, 0.65em, 0);
  transition:
    opacity 0.82s cubic-bezier(.16, 1, .3, 1),
    transform 0.82s cubic-bezier(.16, 1, .3, 1);
  transition-delay: calc(var(--reveal-delay, 0s) + var(--split-delay, 0s));
  will-change: opacity, transform;
}

html.js .hero__vert[data-split] .split-char {
  transition-delay: calc(0.6s + var(--split-delay, 0s));
}

html.js [data-split].is-in .split-char,
html.js .hero.is-ready [data-split] .split-char,
html.js .hero.is-static [data-split] .split-char {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

html.js .rv {
  clip-path: inset(18%);
  transition: clip-path 1.6s cubic-bezier(.16, 1, .3, 1);
  will-change: clip-path;
}

html.js .rv img {
  transform: scale(1.3);
  transition: transform 1.6s cubic-bezier(.16, 1, .3, 1);
  will-change: transform;
}

html.js .rv.is-in,
html.js .hero.is-ready .rv,
html.js .hero.is-static .rv {
  clip-path: inset(0);
}

html.js .rv.is-in img,
html.js .hero.is-ready .rv img,
html.js .hero.is-static .rv img {
  transform: scale(1);
}

.loop {
  position: relative;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
}

.loop__track {
  display: flex;
  width: max-content;
  animation: loop-slide var(--loop-duration, 45s) linear infinite;
  will-change: transform;
}

.loop__set {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
}

.loop.is-paused .loop__track {
  animation-play-state: paused;
}

.loop--reverse .loop__track {
  animation-name: loop-slide-reverse;
}

.loop--phase .loop__track {
  animation-delay: -22.5s;
}

/* 写真は切り抜かず全体表示（高さ固定・幅は写真の縦横比に任せる）。幅が増えた分ゆっくり流す */
.loop--photos {
  --loop-duration: 60s;
}

.loop--photos .loop__set {
  gap: 16px;
  padding-inline: 8px;
}

.loop--photos .loop__item {
  flex: 0 0 auto;
  height: 180px;
  overflow: hidden;
  border-radius: 8px;
  background: #e8f1f8;
}

.loop--photos img {
  display: block;
  width: auto;
  height: 100%;
  transition: transform 0.6s cubic-bezier(.16, 1, .3, 1);
}

.loop--words {
  --loop-duration: 58s;
  color: rgba(16, 48, 192, 0.08);
  pointer-events: none;
  user-select: none;
}

.loop--words .loop__set {
  gap: 0.45em;
  padding-inline: 0.225em;
}

.loop__word {
  flex: 0 0 auto;
  font-family: "Poppins", sans-serif;
  font-size: clamp(64px, 9vw, 128px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: 0;
  white-space: nowrap;
  text-transform: uppercase;
}

@keyframes loop-slide {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-50%, 0, 0);
  }
}

@keyframes loop-slide-reverse {
  from {
    transform: translate3d(-50%, 0, 0);
  }
  to {
    transform: translate3d(0, 0, 0);
  }
}

@media (hover: hover) {
  .loop:hover .loop__track {
    animation-play-state: paused;
  }

  .service-card,
  .news-item {
    transition:
      transform 0.4s cubic-bezier(.16, 1, .3, 1),
      box-shadow 0.4s cubic-bezier(.16, 1, .3, 1);
  }

  .service-card:hover,
  .news-item:hover {
    transform: translate3d(0, -4px, 0);
    box-shadow: 0 22px 50px rgba(10, 30, 80, 0.16);
  }

  html.js .rv.is-in:hover img,
  .loop--photos .loop__item:hover img {
    transform: scale(1.04);
  }

  .btn {
    gap: 0.72em;
  }

  .btn::after {
    content: "";
    flex: 0 0 auto;
    width: 0.48em;
    height: 0.48em;
    border-top: 1px solid currentColor;
    border-right: 1px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.4s cubic-bezier(.16, 1, .3, 1);
  }

  .btn:hover::after,
  .btn:focus-visible::after {
    transform: translateX(4px) rotate(45deg);
  }

  .text-link {
    position: relative;
    border-bottom: 0;
  }

  .text-link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -0.1em;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(.16, 1, .3, 1);
  }

  .text-link:hover::after,
  .text-link:focus-visible::after {
    transform: scaleX(1);
  }
}

@media (max-width: 767px) {
  .loop--photos .loop__item {
    height: 130px;
  }

  .loop--photos .loop__set {
    gap: 12px;
    padding-inline: 6px;
  }

  .loop__word {
    font-size: clamp(52px, 18vw, 76px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header {
    transition: none;
  }

  .site-header.is-headroom-hidden {
    transform: none;
  }

  html.js [data-reveal],
  html.js [data-split] .split-char,
  html.js .rv,
  html.js .rv img {
    opacity: 1;
    transform: none;
    clip-path: inset(0);
    transition: none;
  }

  .loop__track {
    animation: none;
    transform: translate3d(0, 0, 0);
  }
}