.sub_history{width:100%;padding:115px 0 0;position:relative;overflow:hidden}.sub_history.img_01:after,.sub_history.img_02:before{opacity:1;transform:translateY(0)}.sub_history .inner_box{width:940px;margin:0 auto;padding-bottom:30px;position:relative}.sub_history .inner_box:after{content:"";background-color:#e0e0e0;width:2px;height:100%;display:block;position:absolute;top:0;left:calc(50% - 1px)}.sub_history .inner_box:before{content:"";box-sizing:border-box;z-index:1;background-color:#f8f8f8;border:1px solid #0058ed;border-radius:24px;width:24px;height:24px;display:block;position:absolute;bottom:0;left:calc(50% - 12px)}.sub_history .year_box{margin-bottom:70px}.sub_history .year_box_inner{justify-content:center;align-items:center;width:100%;display:flex}.sub_history .year{color:#0058ed;text-align:center;z-index:1;background-color:#f8f8f8;margin-bottom:68px;font-size:36px;font-weight:700;line-height:50.4px;position:relative}.sub_history .month_box>li{margin-bottom:40px;position:relative}.sub_history .month_box>li:last-child{margin-bottom:0}.sub_history .month_box>li:after{content:"";z-index:1;background-color:#0058ed;border-radius:12px;width:12px;height:12px;display:block;position:absolute;top:6px;left:calc(50% - 6px)}.sub_history .month_box>li:before{content:"";background-color:#0058ed;width:80px;height:1px;display:block;position:absolute;top:12px}.sub_history .year_box:nth-child(odd) .month_box>li:before{left:50%}.sub_history .year_box:nth-child(2n) .month_box>li:before{left:calc(50% - 80px)}.sub_history .year_box:nth-child(odd) .month_box>li{padding-left:570px}.sub_history .year_box:nth-child(2n) .month_box>li{text-align:right;padding-right:570px}.sub_history .month{color:#0058ed;font-size:22px;font-weight:700;line-height:30.8px;position:absolute;top:-5px}.sub_history .history_list{z-index:3;position:relative}.sub_history .history_list li{margin-bottom:12px}.sub_history .history_list li:last-child{margin-bottom:0}.sub_history .btn_link span{background:linear-gradient(90deg,#2f80ed40 0 100%) 0 12px/100% 8px no-repeat}.sub_history .year_box:nth-child(odd) .btn_link{background:url(/images/about/history-link.png) right 0/18px 18px no-repeat;width:18px;height:18px;padding-right:24px}.sub_history .year_box:nth-child(2n) .btn_link{background:url(/images/about/history-link.png) 0 0/18px 18px no-repeat;width:18px;height:18px;padding-left:24px}@media screen and (max-width:1024px){.sub_history{padding:80px 0}.sub_history:after{background-size:180px;width:175px;height:210px;top:130px;left:calc(50% - 170px)}.sub_history:before{background-size:440px;width:440px;height:560px;top:1600px;right:calc(50% - 395px)}.sub_history .inner_box{width:100%}.sub_history .year_box{margin-bottom:60px}.sub_history .year{margin-bottom:50px;font-size:30px}.sub_history .month_box>li{margin-bottom:25px}.sub_history .month_box>li:before{display:none}.sub_history .month_box>li:after{top:3px}.sub_history .year_box:nth-child(odd) .month_box>li{padding-left:calc(50% + 16px);padding-right:20px}.sub_history .year_box:nth-child(2n) .month_box>li{padding-left:20px;padding-right:calc(50% + 16px)}.sub_history .month{margin-bottom:12px;font-size:20px;line-height:28px;position:static}.sub_history .year_box:nth-child(odd) .month{left:700px}.sub_history .year_box:nth-child(2n) .month{right:700px}.sub_history .history_list li{margin-bottom:7px;font-size:14px;line-height:19.6px}.sub_history .btn_link{font-size:14px;line-height:19.6px}.sub_history .btn_link span{background-position:0 9px;background-size:100% 10px}.sub_history .btn_link span br{display:none!important}}
.slide-up{opacity:0;transition:opacity .5s ease-out,transform .5s ease-out;transform:translateY(30px)}.visible{opacity:1;transform:translateY(0)}