.case_cont {
    padding: 50px 0;
}

.common_post_list {
    min-width: 640px;
}

.common_post_list .no {
    width: 70px;
}

.common_post_list .dttm {
    width: 140px;
}

.common_post_list .category {
    width: 200px;
}

.common_post_list .title {
    width: calc(100% - (70px + 140px + 200px));
}

@media screen and (max-width:1023px) {
    .common_post_list .category {
        width: 130px;
    }

    .common_post_list .title {
        width: calc(100% - (70px + 140px + 130px));
    }

}