.content-panel.type_panel-introduce .history-area .history-body.start-year::before {
    content: "";
    position: absolute;
    top: 0px;
    left: 100px;
    width: 1px;
    bottom: 71px;
    background: #ededed;
}

.content-panel.type_panel-introduce .history-area .history-body.start-year:lang(en)::before {
    bottom: 78px;
}

@media all and (max-width: 1023px) {
    .content-panel.type_panel-introduce .history-area .history-item ul {
        width: 90%;
    }
    .content-panel.type_panel-introduce .history-area .history-item_area .history-item_list {
        width: calc(100% - 80px)
    }
    .content-panel.type_panel-introduce .history-area .history-header h4.title.tt4 {
        text-align: left;
    }
    .content-panel.type_panel-introduce .history-area .history-header .wrap-select-box.select-period {
        margin: 40px 0 40px
    }
    .content-panel.type_panel-introduce .history-area .wrap-history-body.graph {
        width: 100%;
        margin: 0;
    }
    .content-panel.type_panel-introduce .history-area .history-body.start-year::before {
        /*content: "";*/
        /*position: absolute;*/
        /*top: 0px;*/
        left: 82px;
        /*width: 1px;*/
        /*bottom: 78px;*/
        /*background: #ededed;*/
    }

}