#left{width:460px;float:left;}
#right{width:245px;float:right;}

.b15r10 {margin-bottom:15px;margin-right:10px;}
.b15 {margin-bottom:15px;}
.b25 {margin-bottom:25px;}
.b40 {margin-bottom:40px;}

.b100 {margin-bottom:100px;}

/*�{�H����*/
#sekoh{text-align:left;}
.tb20 {margin:20px 0px;}
.tbr20 {margin:20px 0px 20px 15px;}
.b20{margin:0px 0px 20px 0px}

#sekoh_left{width:580px;float:left;}
#sekoh_form{float:right;margin-bottom:40px;}