.work_menu1 a {
	background-image: url(../image/work_3d.gif);
	background-repeat: no-repeat;
	display: block;
	height: 60px;
	margin-left: 40px;
}

.work_menu1 a:hover{
	background-image: url(../image/work_3d.gif);
	background-repeat: no-repeat;
	background-position: 0px -60px;
	height: 60px;
}
.work_menu2 a {
	background-image: url(../image/work_ti.gif);
	background-repeat: no-repeat;
	display: block;
	height: 60px;
	margin-left: 40px;
}

.work_menu2 a:hover{
	background-image: url(../image/work_ti.gif);
	background-repeat: no-repeat;
	background-position: 0px -60px;
	height: 60px;
}
.work_menu3 a {
	background-image: url(../image/work_patent.gif);
	background-repeat: no-repeat;
	display: block;
	height: 60px;
	margin-left: 40px;
}

.work_menu3 a:hover{
	background-image: url(../image/work_patent.gif);
	background-repeat: no-repeat;
	background-position: 0px -60px;
	height: 60px;
}
.work_menu4 a {
	background-image: url(../image/work_cad.gif);
	background-repeat: no-repeat;
	display: block;
	height: 60px;
	margin-left: 40px;
}

.work_menu4 a:hover{
	background-image: url(../image/work_cad.gif);
	background-repeat: no-repeat;
	background-position: 0px -60px;
	height: 60px;
}
.work_menu5 a {
	background-image: url(../image/work_kousyu.gif);
	background-repeat: no-repeat;
	display: block;
	height: 60px;
	margin-left: 40px;
}

.work_menu5 a:hover{
	background-image: url(../image/work_kousyu.gif);
	background-repeat: no-repeat;
	background-position: 0px -60px;
	height: 60px;
}
.textblock {
	font-size: 12px;
	color: #666666;
	background-color: #FFFFFF;
	width: 375px;
	margin-left: 20px;
	border: 1px solid #000000;
	overflow: auto;
	height: 86px;
	float: left;
	margin-top: 5px;
	margin-right: 10px;
	margin-bottom: 10px;
}

.textblock a {
	text-decoration: none;
	color: #000000;
}

.textblock a:hover {
	text-decoration: none;
	color: #000000;
}