.about-sidebar{display:none}@media (min-width:1200px){.about-sidebar{display:block;padding-left:60px;padding-right:40px;padding-top:160px;height:100vh;position:fixed;top:0;left:0;width:300px;background:#f1f8ff;overflow-x:hidden}.about-sidebar .sidebar-logo{width:100%;height:auto;aspect-ratio:1;position:absolute;top:55%;left:90%;transform:translate(-40%,-50%);transform-origin:center}.about-sidebar .sidebar-list{width:100%}.about-sidebar .sidebar-list-title{color:#004791;padding-bottom:10px;font-weight:700}.about-sidebar .sidebar-list-item{border-top:1px solid #c6c6c6;position:relative;padding-left:30px;padding-top:10px;padding-bottom:10px}.about-sidebar .sidebar-list-item:before{content:"";display:block;position:absolute;width:6px;height:6px;border-radius:50%;background:#888;top:50%;left:15px;transform:translate(-50%,-50%);transition-duration:.4s}.about-sidebar .sidebar-list-item:has(a:hover):before{background:#004791}.about-sidebar .sidebar-list-item.current:before{background:#004791}.about-sidebar .sidebar-list-item.current a{color:#004791}.about-sidebar .sidebar-list-item a{color:#212529;transition-duration:.4s}.about-sidebar .sidebar-list-item a:hover{color:#004791}}@media (min-width:1200px){.main-section{width:calc(100% - 300px);margin-left:auto}}@media (min-width:1200px){.main-section .container{max-width:750px}}@media (min-width:1400px){.main-section .container{max-width:950px}}@media (min-width:1600px){.main-section .container{max-width:1150px}}.milestone-nav{padding:10px;display:flex;gap:10px;overflow-x:auto}.milestone-nav .milestone-tab{display:flex;justify-content:center;align-items:center;padding:10px 15px;box-shadow:1px 1px 3px 1px rgba(0,0,0,.15);white-space:nowrap}.milestone-nav .milestone-tab a{color:#212529}.milestone-card{position:relative}.milestone-card .milestone-anchor{position:absolute;top:-120px}.milestone-card+.milestone-card{margin-top:60px}@media (min-width:768px){.milestone-card-title{display:flex;align-items:end;gap:15px}}@media (min-width:768px){.milestone-card-title-year{margin-bottom:5px}}.milestone-card-content{background:#f1f8ff;border-radius:20px;padding:20px}@media (min-width:768px){.milestone-card-content{padding:30px;display:flex;justify-content:space-between;align-items:center;gap:10px}}.milestone-card-content .milestone-img{margin-top:20px}@media (min-width:768px){.milestone-card-content .milestone-img{margin-top:0;width:300px;min-width:300px}}.milestone-card-content .milestone-item{position:relative;display:flex;padding-left:10px}@media (min-width:768px){.milestone-card-content .milestone-item{padding-left:15px}}.milestone-card-content .milestone-item:before{content:"";display:block;position:absolute;width:9px;height:9px;border-radius:50%;background:#004791;top:10px;left:-12px}.milestone-card-content .milestone-item+.milestone-item{padding-top:20px}.milestone-card-content .milestone-item+.milestone-item:before{top:30px}.milestone-card-content .milestone-item:after{content:"";display:block;position:absolute;top:0;left:-8px;background:#004791;height:100%;width:1px}.milestone-card-content .milestone-item:first-of-type:after{content:"";position:absolute;width:1px;height:calc(50% + 18px);top:15px;left:-8px;background:#004791}.milestone-card-content .milestone-item:last-of-type:after{content:"";position:absolute;width:1px;height:32px;top:0;left:-8px;background:#004791}.milestone-card-content .milestone-year{margin-right:15px;color:#004791;min-width:42px}.milestone-card-content .milestone-desc{font-size:16px;margin-top:2px;color:#666}.history-panel{border:1px solid #aaa}