.pc-item { display: block; }
.mobile-item { display: none; }
.main-banner-pc { display: block; }
.main-banner-mobile { display: none; }

@media screen and (max-width: 428px) {
	.pc-item { display: none; }
	.mobile-item { display: block; }
	.main-banner-pc { display: none; }
	.main-banner-mobile { display: block; }
}