for_client/src/styles/tentative/detect/third.scss

.hc-links-sample-modal-box {
    position: relative;
    height: 100%;
    display: flex;
    .hc-links-sample-tree-box,
    .hc-links-sample-table-box {
        position: relative;
        height: 100%;
    }
    .hc-links-sample-tree-box {
        margin-right: 24px;
        border: 1px solid #EEEEEE;
    }
    .hc-links-sample-table-box {
        flex: 1;
    }
}