@keyframes infinity-scroll-left {
    from {
      transform: translateX(0);
    }
    to {
      transform: translateX(-100%);
    }
    }
    
    /*
    IE11対策
    ----------------------------*/
    _:-ms-lang(x)::-ms-backdrop,
    .d-demo {
    display: -ms-grid;
    overflow: hidden;
    }
    /*----------------------------*/
    
    .d-demo__wrap {
    display: flex;
    overflow: hidden;
    }
    
    .d-demo__list {
    display: flex;
    list-style: none;
    }
    
    .d-demo__list--left{
    animation :infinity-scroll-left 95s infinite linear 0.5s both;
    }
    
    .d-demo__item {
    width: calc(100vw / 6);
    }
    .d-demo__item > img{
     width: 100%;
    }