@charset "UTF-8";
.black .about_formal_area {
	background: #fff;
}
.black .knowledge_img_txt,
.black .about_formal_area .l_contents_btm_inner ul li {
	background: #f5f5f5;
}
@media screen and (max-width: 1100px) {
}
@media screen and (max-width: 767px) {
}

main .index_bnr_area .index_bnr_block {
	width: 100%;
}