/* Original unclerender.jp scroll-driven 3D hero. */
.hero3d { height: 560vh; position: relative; background: #fff; }
.hero3d__sticky {
  position: sticky; top: 0; height: 100vh; height: 100svh;
  overflow: hidden; background: #fff;
}
.hero3d__canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero3d__panel {
  position: absolute; z-index: 5; max-width: 560px;
  left: 8vw; top: 50%;
  opacity: 0; transform: translateY(-40%);
  pointer-events: none; will-change: opacity, transform;
}
.hero3d__panel.is-active { pointer-events: auto; }
.hero3d__sub {
  font-size: 13px; letter-spacing: 0.18em; color: rgba(26,26,26,0.55);
  margin-bottom: 18px;
}
.hero3d__title {
  font-family: 'CineCaption', 'Noto Sans JP', sans-serif;
  font-size: clamp(34px, 4.6vw, 66px); font-weight: 700;
  line-height: 1.25; letter-spacing: 0.02em; color: #1a1a1a;
  margin-bottom: 20px; white-space: nowrap;
}
.hero3d__title-accent { font-family: 'CineCaption', 'Inter', sans-serif; font-weight: 700; display: inline-block; }
.hero3d__desc { font-size: 14px; letter-spacing: 0.1em; color: rgba(26,26,26,0.7); }
.hero3d__badges { display: flex; gap: 10px; margin-top: 28px; flex-wrap: wrap; }
.hero3d__badge {
  font-size: 11px; letter-spacing: 0.12em; color: #1a1a1a;
  border: 1px solid rgba(26,26,26,0.15); padding: 8px 18px; border-radius: 999px;
  background: rgba(255,255,255,0.7); backdrop-filter: blur(4px);
}
.hero3d__label {
  display: block; font-family: 'Inter', sans-serif; font-size: 11px;
  letter-spacing: 0.4em; color: rgba(26,26,26,0.4); margin-bottom: 18px;
}
.hero3d__mid-title {
  font-family: 'CineCaption', 'Noto Sans JP', sans-serif;
  font-size: clamp(28px, 3.6vw, 46px); font-weight: 600; line-height: 1.5;
  letter-spacing: 0.04em; color: #1a1a1a; margin-bottom: 22px;
}
.hero3d__mid-desc { font-size: 14px; line-height: 2.2; letter-spacing: 0.06em; color: rgba(26,26,26,0.72); }
.hero3d__scroll-indicator {
  position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%);
  z-index: 5; display: flex; flex-direction: column; align-items: center; gap: 10px;
  transition: opacity 0.6s;
}
.hero3d__scroll-indicator.is-hidden { opacity: 0; }
.hero3d__scroll-indicator span { font-size: 10px; letter-spacing: 0.4em; color: rgba(26,26,26,0.45); }
.hero3d__scroll-line { width: 1px; height: 44px; background: rgba(26,26,26,0.15); position: relative; overflow: hidden; }
.hero3d__scroll-line::after {
  content: ''; position: absolute; left: 0; top: -50%; width: 100%; height: 50%;
  background: #1a1a1a; animation: hero3dDrop 1.8s cubic-bezier(0.65,0,0.35,1) infinite;
}
@keyframes hero3dDrop { 0% { top: -50%; } 100% { top: 110%; } }
@media (max-width: 768px) {
  .hero3d { height: 460vh; }
  .hero3d__panel { max-width: 84vw; left: 8vw; top: auto; bottom: 6vh; transform: none; }
  .hero3d__sub { font-size: 11px; margin-bottom: 10px; }
  .hero3d__title { font-size: clamp(26px, 7.6vw, 34px); margin-bottom: 12px; }
  .hero3d__desc { font-size: 12px; }
  .hero3d__badges { margin-top: 14px; gap: 8px; }
  .hero3d__badge { font-size: 10px; padding: 6px 12px; }
  .hero3d__mid-title { font-size: clamp(24px, 6.4vw, 32px); margin-bottom: 14px; }
  .hero3d__mid-desc { font-size: 12px; line-height: 2; }
  .hero3d__mid-desc br { display: none; }
  .hero3d__scroll-indicator { display: none; }
}