.scroll-container {
  height: 100%;
	position: relative;
}

.speak {
  margin: 0vh 0;
}
.speak:first-child {
  margin-top: 100%;
}

.speak[data-scroll] {
  transform: translatey(calc(var(--viewport-y) * 30vh));
  opacity: calc(var(--visible-y));
}

.scroll-sequence__content {
	position: absolute;
	height: 100%;
}

.scroll-sequence {
  position: -webkit-sticky;
position: -moz-sticky;
position: -ms-sticky;
position: -o-sticky;
position: sticky;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: -5;
  height: 100vh;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
.scroll-sequence__container{
	height: 100%;
}