@charset "UTF-8";
/*----------------------------------------------- 共通 */
.footer_inner {
	width: 800px;
}


/*----------------------------------------------- header */
header .nav,
header .nav_area::after,
header.not_front .nav,
header.not_front .nav_area::after {
	display: block;
}

.back_imgs.back_imgs_r01,
.back_imgs.back_imgs_r02 {
	left: calc(50% + 300px);
}
.back_imgs.back_imgs_l01,
.back_imgs.back_imgs_l02 {
	left: calc(50% - 500px);
}

.top_img_item {
	height: calc(100vw / 8);
}
.top_img_list_left{
animation :infinity-scroll-left 180s infinite linear 0.5s both;
}