@charset "utf-8";

a:hover img.hoverImg {
	filter:alpha(opacity=70);
	opacity:0.7;
    -moz-opacity: 0.7;
}
a img{border-style:none;}
.clearfix:after{
	content: ".";
	display: block;
	height: 0;
	font-size:0;   
	clear: both;
	visibility:hidden;
}
.clearfix{
	display: inline-block;
}
/* Hides from IE Mac */
* html .clearfix{
	height: 1%;
}
.clearfix{
	display:block;
}
#wrapper{
	min-width:100%;
}
#main{
	width:100%;
}

#return_top { text-align:center; margin:10px; }
#return_top a { background: url("//image.stworld.jp/images/common/tri01.gif") no-repeat scroll left 5px rgba(0, 0, 0, 0); line-height: 1em; padding-left: 10px; }