* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100%;
  background: #fff;
}
html { -webkit-text-size-adjust: 100%; }
body {
  overflow-x: hidden;
  overscroll-behavior-x: none;
  background: #fff;
}

.scroll-movie {
  position: relative;
  height: 360vh;
  background: #fff;
}

.sticky-stage {
  position: sticky;
  top: 0;
  width: 100vw;
  height: 100vh;
  height: 100svh;
  height: 100dvh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
}

.movie-stage {
  position: relative;
  width: 100vw;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #fff;
}

.movie-main {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  background: #fff;
  pointer-events: none;
  transform: translateZ(0);
  backface-visibility: hidden;
}

@media (max-width: 767px) {
  .scroll-movie { height: 420vh; }

  .sticky-stage,
  .movie-stage {
    width: 100vw;
    height: 100vh;
    height: 100svh;
    height: 100dvh;
    background: #fff;
  }

  .movie-main {
    width: 100vw;
    height: 100%;
    object-fit: contain;
    object-position: center center;
    background: #fff;
  }
}