.swiper-button-prev {
  background-image: url("//levi.jp/cdn/shop/t/3/assets/harajuku-lot1-icon-prev.svg?v=18963664154730363151740121538");
  left: -70px; 
}
.swiper-button-next {
  background-image: url("//levi.jp/cdn/shop/t/3/assets/harajuku-lot1-icon-next.svg?v=157964780350665861541740121537");
  right: -70px; 
}