#toptest .home-mainimg .mainimg-pc{
  display: block;
}

#toptest .home-mainimg .mainimg-sp{
  display: none;
}

@media screen and (max-width:599px) {
#toptest .home-mainimg .mainimg-pc{
  display: none;
}

#toptest .home-mainimg .mainimg-sp{
  display: block;
}

#toptest .home-mainimg .mainimg-sp img{
  object-fit: contain;
}
 
}