/* シームレスループ用 — 2 本の video をクロスフェード */
.heading-binary-video-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  --binary-loop-fade: 1.5s;
}

.heading-binary-video-wrap .heading-binary-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--binary-loop-fade, 1.5s) linear;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.heading-binary-video-wrap .heading-binary-video.is-active {
  opacity: 1;
}

/* 低速再生 — 1 本ループ（クロスフェードなし） */
.heading-binary-video-wrap--native .heading-binary-video {
  opacity: 1;
  transition: none;
}