#main_navi{float: left; width: 253px; padding-bottom: 35px;}
#main_navi li{margin-bottom: 5px;}

.btns{clear: both;}
.btns{text-align: center;}
.btns li{display: inline-block;}
.btns li a{background-color: transparent;}
 
#shudaika .btns{margin-left: 45px;}
#shudaika .btns li{display: block; float: left; width: 457px;}
#shudaika .btns li a.track{width: 427px; height: 213px; background-position: 0 -213px; background-repeat: no-repeat; display: block; text-indent: -9999px;}
#shudaika .btns .info{margin: 25px 0 0 50px;}
#shudaika .btns .info p{font-size: 12px !important; text-align: left; margin-bottom: 1.8em;}
#shudaika .btns .info a{background: url(../common/images/ico_blank.gif) no-repeat 0 55%; padding-left: 17px; margin-left: 5px; }
#shudaika .btns .op{background-image: url(images/shudaika_btn1.png);}
#shudaika .btns .ed{background-image: url(images/shudaika_btn2.png);}
#shudaika .btns li a.on{background-position: 0 0;}

#shudaika.vita .btns li a.track{height: 204px; background-position: 0 -204px;}
#shudaika.vita .btns .op{background-image: url(images/vita_btn1.png);}
#shudaika.vita .btns .ed{background-image: url(images/vita_btn2.png);}
#shudaika.vita .btns li a.on{background-position: 0 0;}

#bgm .btns li{margin: 0 5px; width: 204px;}
#bgm .btns li a{width: 204px; height: 118px; background-position: 0 -118px; background-repeat: no-repeat; display: block; text-indent: -9999px;}
#bgm .btns .bgm1{background-image: url(images/bgm_btn1.png);}
#bgm .btns .bgm2{background-image: url(images/bgm_btn2.png);}
#bgm .btns .bgm3{background-image: url(images/bgm_btn3.png);}
#bgm .btns .bgm4{background-image: url(images/bgm_btn4.png);}
#bgm .btns .bgm5{background-image: url(images/bgm_btn5.png);}
#bgm .btns .bgm6{background-image: url(images/bgm_btn6.png);}
#bgm .btns .bgm7{background-image: url(images/bgm_btn7.png);}
#bgm .btns li .on{background-position: 0 0;}