.box_left .col2_m_222 {
    -webkit-box-pack: flex-start;
    -ms-flex-pack: flex-start;
    justify-content: flex-start;
}

.btn_ir_space .col5_m_532 .col {
    width: calc(20% - 12px);
    margin-right: 15px;
    margin-bottom: 10px;
}

.btn_ir_space .col5_m_532 .col:nth-child(5n) {
    margin-right: 0;
}

@media only screen and (max-width: 979px) {
    .MainVj .main_slider .main_block {
        background-position: 75%;
    }

    .news_tab .rss_date {
        width: 85px;
    }

    .fl.table_box {
        display: block;
    }

    .mw40em.mw100_tab {
        max-width: inherit;
    }

    .btn_ir_space .col5_m_532 .col {
        width: calc(33.333% - 10px);
        margin-right: 15px;
        margin-bottom: 10px;
    }

    .btn_ir_space .col5_m_532 .col:nth-child(5n) {
        margin-right: 15px;
    }

    .btn_ir_space .col5_m_532 .col:nth-child(3n) {
        margin-right: 0;
    }

}

@media only screen and (max-width: 690px) {
    .btn_ir_space .col5_m_532 .col {
        width: calc(50% - 8px);
        margin-right: 15px;
        margin-bottom: 10px;
    }

    .btn_ir_space .col5_m_532 .col:nth-child(5n),
    .btn_ir_space .col5_m_532 .col:nth-child(3n) {
        margin-right: 15px;
    }

    .btn_ir_space .col5_m_532 .col:nth-child(2n) {
        margin-right: 0;
    }

}

/*20.10.21追記*/
.img_size img {
    width: 100%;
}