@media screen and (max-width: 767px) {

    .table-katsura thead tr th:nth-child(2),
    .table-katsura thead tr th:nth-child(3) {
        display: none
    }
    .table-katsura tbody tr td:first-child {
        font-weight: bold
    }
    .table-katsura tbody tr td:first-child,
    .table-katsura tbody tr td:nth-child(2) {
        border-bottom: none
    }
    .table-katsura tbody tr td:nth-child(2),
    .table-katsura tbody tr td:nth-child(3) {
        border-top: none
    }
    .table-katsura tbody tr td:nth-child(2)::before,
    .table-katsura tbody tr td:nth-child(3)::before {
        display: block;
        font-weight: bold;
    }
    .table-katsura tbody tr td:nth-child(2)::before {
        content: "E-mail"
    }
    .table-katsura tbody tr td:nth-child(3)::before {
        content: "URL"
    }

    .table-katsura tbody tr td {
        border: none;
    }

    .table-katsura tbody tr:not(:first-child) {
        border-top: 1px solid #E8E8E8;
    }

}