@charset "utf-8";
#contens_box {
	position: relative;
	overflow: hidden;
}
#contens_box .iroiro_btn {
	overflow: hidden;
	position: absolute;
	top: 30px;
	right: 16px;
}

#contens_box .blog_btn  {
	overflow: hidden;
	position: absolute;
	right: 16px;
	top: 175px;
}



#banner_box {
	position: relative;
	overflow: hidden;
	height: 67px;
	font-size: 0px;
	line-height: 0px;
	margin: 0px;
	padding: 0px;
}

#banner_box .iroiro_btn {
	overflow: hidden;
	position: absolute;
	top: 0px;
	right: 0px;
}

#banner_box .flow_btn {
	overflow: hidden;
	top: 0px;
	position: absolute;
	left: 0px;
}


#contens_box .iroiro_btn a img,
#contens_box .blog_btn a img,
#banner_box .iroiro_btn a img,
#banner_box .flow_btn a img {
	border-style: none;
}

#contens_box .iroiro_btn a:hover img,
#contens_box .blog_btn a:hover img,
#banner_box .iroiro_btn a:hover img,
#banner_box .flow_btn a:hover img {
	opacity:0.8;
	filter: alpha(opacity=80);
	border-style: none;
}