.mk_tit1{margin-bottom: 30px; padding-bottom:20px; border-bottom:2px solid #e5e5e5; }
.mk_tit1 span{font-size: 20px;font-weight: bold;color: #000; border-bottom:4px solid #f18c00; padding-bottom:18px;font-weight:bold}
.mk_tit1 span.mk_tit1_span {padding-bottom: 2px;line-height: 30px;}
@media screen and (max-width: 999px) {
.mk_tit1 {margin-bottom: 15px;}
}