.ptbox {
	background-image: url(../images/participate/participate-title-image.gif);
	background-repeat: no-repeat;
	background-position: left top;
	height: 106px;
	width: 520px;
	clear: both;
}
.textbox500 {
	width: 500px;
	margin-left: 20px;
}
.textbox500w {
	width: 500px;
	margin-left: 20px;
	padding-top: 0px;
	padding-bottom: 0px;
}
.sub-contents500 {
	width: 500px;
	margin-left: 20px;
	margin-top: 20px;
}.sub-contents500 a {
	text-decoration: none;
}
.pmb01 {
}
.pmb01 a {
	background-image: url(../images/participate/br01-1.jpg);
	background-repeat: no-repeat;
	background-position: left top;
	text-indent: -9999px;
	display: block;
	height: 80px;
	width: 160px;
}
.pmb01 a:hover {
	background-image: url(../images/participate/br01-2.jpg);
	background-repeat: no-repeat;
	background-position: left top;
	text-indent: -9999px;
	display: block;
	height: 80px;
	width: 160px;
}
.pmb02 a {
	background-image: url(../images/participate/br02-1.jpg);
	background-repeat: no-repeat;
	background-position: left top;
	text-indent: -9999px;
	display: block;
	height: 80px;
	width: 160px;
}
.pmb02 a:hover {
	background-image: url(../images/participate/br02-2.jpg);
	background-repeat: no-repeat;
	background-position: left top;
	text-indent: -9999px;
	display: block;
	height: 80px;
	width: 160px;
}
.pmb03 a {
	background-image: url(../images/participate/br03-1.jpg);
	background-repeat: no-repeat;
	background-position: left top;
	text-indent: -9999px;
	display: block;
	height: 80px;
	width: 160px;
}
.pmb03 a:hover {
	background-image: url(../images/participate/br03-2.jpg);
	background-repeat: no-repeat;
	background-position: left top;
	text-indent: -9999px;
	display: block;
	height: 80px;
	width: 160px;
}