.section--intro{position:relative}.bg-img-container{min-width:100%;min-height:100%;position:absolute;left:0;z-index:-1}.bg-intro{object-fit:cover;height:100%}.section--intro .bg-intro--pc{display:block}.section--intro .bg-intro--sp{display:none}@media screen and (max-width:768px){.section--intro .bg-intro--pc{display:none}.section--intro .bg-intro--sp{display:block}}