.sub_visual {
    position: relative;
    height: 38vh;
    background: url(../images/mainvisual01.jpg)center center/cover;
}

.sub_visual::after {
    position: absolute;
    content: "";
    inset: 0 0 0 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.5));
}

.sub_content {
    position: relative;

    background: url(../images/submain_bg.jpg) center center/cover;

}

.sub_content::after {
    position: absolute;
    content: "";
    inset: 0 0 0 0;
    background: rgba(255, 255, 255, 0.7);
}

.sub_content .tab h2 {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 500;
    line-height: 8rem;
    background: #fff;
    border-bottom: 3px solid var(--sc);
}

.sub_content .tab_menu>ul>li.on>a {
    background: #ddd;
    color: var(--sc);
    font-weight: 700;
}

.sub_content .tab_menu>ul>li:hover>a {

    color: var(--mc);
    font-weight: 600;
}





.sub_content .dec {
    padding: 0 8rem 10rem 8rem;
}

.sub_content .dec .title strong {
    display: block;
    font-size: 2.8rem;
    line-height: 8rem;
    color: #444;
    border-bottom: 1px solid var(--line-color);
}

.sub_content .txt strong {
    position: relative;
    display: block;
    font-size: 3.2rem;
    font-weight: 600;
    color: var(--sc);
    margin-bottom: 4rem;
    text-align: center;

}

.sub_content .txt strong::after {
    display: none;
}

@media(max-width:768px) {

    .sub_content {
        background: none;
    }

    .sub_content .dec {
        padding: 0 0 1rem 0;
    }

    .sub_content .dec .title strong {
        font-size: 2.4rem;
    }

    .desc {
        padding: 0;
    }

    .sub_content .dec .title {
        margin-bottom: 4rem;
    }

    .sub_content .txt strong {
        position: relative;
        display: block;
        font-size: 2.4rem;
        font-weight: 600;
        color: var(--sc);
        margin-bottom: 4rem;
        text-align: center;

    }

}