.webp .front-page .hello .top-main-swiper .swiper-slide:nth-child(4n+2) .anim-set-image {
  background-image: url(../img/webp/top_main_visual2.webp?202504);
}
.front-page .hello .top-main-swiper .swiper-slide:nth-child(4n+2) .anim-set-image {
  background-image: url(../img/top_main_visual2.jpg?202504);
}
.webp .front-page .hello .top-main-swiper .swiper-slide:nth-child(4n+3) .anim-set-image {
  background-image: url(../img/webp/top_main_visual3.webp?202504);
}
.front-page .hello .top-main-swiper .swiper-slide:nth-child(4n+3) .anim-set-image {
  background-image: url(../img/top_main_visual3.jpg?202504);
}