@import '_cnskin/312d/css/style.css';#L01 #area-header.noskin,#L02 #area-header.noskin,#L03 #area-header.noskin,#L07 #area-header.noskin,#L08 #area-header.noskin{width:1200px}#L01 #area-header,#L02 #area-header,#L03 #area-header,#L07 #area-header,#L08 #area-header{width:1216px}#L01 #area-billboard.noskin,#L02 #area-billboard.noskin,#L03 #area-billboard.noskin,#L07 #area-billboard.noskin,#L08 #area-billboard.noskin{width:1200px}#L01 #area-billboard,#L02 #area-billboard,#L03 #area-billboard,#L07 #area-billboard,#L08 #area-billboard{width:1216px}#L01 #area-contents.noskin,#L02 #area-contents.noskin,#L03 #area-contents.noskin,#L07 #area-contents.noskin,#L08 #area-contents.noskin{width:1200px}#L01 #area-contents,#L02 #area-contents,#L03 #area-contents,#L07 #area-contents,#L08 #area-contents{width:1216px}#L02 #area-main,#L03 #area-main,#L07 #area-main,#L08 #area-main{width:0}#L02 #area-side-a,#L03 #area-side-a,#L07 #area-side-a,#L08 #area-side-a{width:1200px}#L01 #area-footer.noskin,#L02 #area-footer.noskin,#L03 #area-footer.noskin,#L07 #area-footer.noskin,#L08 #area-footer.noskin{width:1200px}#L01 #area-footer,#L02 #area-footer,#L03 #area-footer,#L07 #area-footer,#L08 #area-footer{width:1216px}#L04{width:1200px;margin:0 auto}#L04 #area-contents{width:1200px}#L04 #main-group{width:1200px;margin-left:-1200px}#L04 #area-main{margin-left:1210px}#L04 #area-side-a{width:1200px}#L05{width:1200px;margin:0 auto}#L05 #area-contents{width:1200px}#L05 #main-group{width:1200px;margin-left:-1200px}#L05 #main-group .core{width:1200px;margin-right:-1200px}#L05 #area-main{margin-left:1210px;margin-right:1210px}#L05 #area-side-a{width:1200px}#L05 #area-side-b{width:1200px}#L06{width:1200px;margin:0 auto}#L06 #area-contents{width:1200px}#L06 #main-group{width:1200px;margin-right:-1200px}#L06 #area-main{margin-right:1210px}#L06 #area-side-a{width:1200px}body{background:#000}#bk1240{background:url(_src/1298/grade_3_20261019140759732.png?v=1794471873141) no-repeat center bottom}#area-header #bk1240>div{margin:0 auto;width:1200px}#bk1012{background:url(_src/1097/grade_2.png?v=1794471873141) repeat}#area-header #bk1012>div{margin:0 auto;width:1200px}#bk1012 div.lhm{padding-left:10px;padding-top:0;padding-right:0;padding-bottom:0}#bk1146{background:url(_src/1122/aibara_back_mastering_s.png?v=1794471873141) no-repeat right center}#bk934{background:url(_src/1097/grade_2.png?v=1794471873141) repeat}#area-side-a #bk934>div{margin:0 auto;width:1200px}#bk934 div.lhm{padding-left:10px;padding-top:0;padding-right:0;padding-bottom:0}#bk936{background:0}#bk933{background:transparent}.cssskin-_block_main a:active{border-left:5px solid #444}