.s_row {
    flex-wrap: wrap;
}
.s_row .col {
    width: 50%;
    margin: 0 auto 30px;
    font-size: 18px;
}
@media(max-width:767px){
    .s_row .col {
        font-size: 15px;
        letter-spacing: 0px;
        white-space: normal;
        text-align: center;
        line-height: 1.3;
        padding-left: 5px;
        padding-right: 5px;
    }
    .s_row .col .num_box span {
        font-size: 35px;
    }
    .s_row .col .num_box {
        font-size: 22px;
        margin-bottom: 7px;
    }
}