.js-slide-image {
  position: relative; }
  .js-slide-image.is-active::after {
    transition: 1.6s;
    transform: scaleX(0); }
  .js-slide-image::after {
    content: '';
    display: block;
    width: 100%;
    transform: scaleX(1);
    transform-origin: 100% 0;
    height: 100%;
    background-color: #fff;
    position: absolute;
    top: 0;
    right: 0; }