.bg_contents, .bg_contents * {text-indent:-9999em}
.bg_contents * {display:inline-block}
#contentsMain article {padding-top:161px}

#contentsMain #m300210 section:nth-child(1) {background:url('/img/page/3/3_2_1_01.jpg') right top no-repeat;height:3102px;position:relative}

#contentsMain #m300220 aside {margin-top:25px;margin-left:2px;background:url('/img/page/3/3_2_2_tab.png') no-repeat;height:46px}
#contentsMain #m300220 aside li {float:left;margin-right:1px}
#contentsMain #m300220 aside li a {display:block;background:url('/img/page/3/3_2_2_tab.png') 0 0 no-repeat;height:46px;width:265px;text-indent:-9999em}
#contentsMain #m300220 aside li:nth-child(2) a {background-position:-266px 0}
#contentsMain #m300220 aside li:nth-child(3) a {background-position:-532px 0}
#contentsMain #m300220 aside li a.on {background-position-y:-54px}
#contentsMain #m300220 aside ul:after {display:block;content:'';float:none;clear:both}

#contentsMain .m300220 section:nth-child(2) {background:url('/img/page/3/3_2_2_A_01.jpg') no-repeat;height:1155px;position:relative;padding-bottom:80px}
#contentsMain .m300220B section:nth-child(2) {background:url('/img/page/3/3_2_2_B_01.jpg') no-repeat;height:1276px;position:relative;padding-bottom:80px}
#contentsMain .m300220C section:nth-child(2) {background:url('/img/page/3/3_2_2_C_01.jpg') no-repeat;height:1279px;position:relative;padding-bottom:80px}


#contentsMain #m300230 section:nth-child(1) {background:url('/img/page/3/3_2_3_01.jpg') right top no-repeat;height:1770px;position:relative}

#contentsMain #m300240 section:nth-child(1) {background:url('/img/page/3/3_2_4_01.jpg') right top no-repeat;height:2203px;position:relative}

#contentsMain #m300250 section:nth-child(1) {background:url('/img/page/3/3_2_5_01.jpg') right top no-repeat;height:2513px;position:relative}