/*PC*/
@media screen and (min-width: 768px) {
  .fs-c-slick .slick-list .slick-slide img{
    width:100%;
    height:100%;
    max-width:500px;
    max-height:500px;
  }
}

/*SP*/
@media screen and (max-width: 767px) {
     .fs-c-slick .slick-list .slick-slide img{
        width:100%;
        height:100%;
        max-width:240px;
        max-height:240px;
    }
}