.mainimg {
    background-image: url(../img/top/top_mv_01.jpg);
    height: 755px;
}

.mainimg {
    background-size: auto;
    background-position: bottom center;
    position: relative;
    padding-top: 80px;
    background-repeat: no-repeat;
    background-color: #e7e7e7;
    margin-top: 0px !important;
}

.bgttl_01 {
    background-image: url(../img/common/title_bg.jpg);
}

.bg-07 {
    background: url(../img/service/service_img_02.png)no-repeat top center;
    height: 453px;
}
.mt-80px {
    margin-top: 80px !important;
}