@charset "utf-8";
div.aboutcontaa{
    margin-bottom: 50px;
}
div.aboutcontbb{
    margin-bottom: 50px;
}
div.aboutcontbb table{
    border-collapse: collapse;
    width: 100%;
}
div.aboutcontbb table tr th,
div.aboutcontbb table tr td{
    border-bottom: 2px solid #c1c7c6;
    padding: 1em;
}
div.aboutcontbb table tr th{
    border-bottom: 2px solid #4d9bc1;
    font-weight: bold;
    text-align: center;
    width: 30%;
}

div.aboutcontbb table tr td span{
    display: block;
    width: 200px;
    background-color: #2f86c9;
}
div.aboutcontbb table tr td span a{
    display: block;
    padding: 1%;
    width: 100%;
    height: 100%;
    text-align: center;
    color: #fff;
}

@media screen and (max-width: 768px) {
    div.aboutcontbb table tr th,
    div.aboutcontbb table tr td{
        border-bottom: none;
        padding: 1em;
    }
    div.aboutcontbb table tr th{
        border-bottom: none;
        font-weight: bold;
        text-align: center;
        width: 100%;
        display: block;
        background: #efebe8;
    }
    div.aboutcontbb table tr td{
        width: 100%;
        display: block;
    }
}