@charset "UTF-8";
#header{
	width:800px;
	height:117px;
}
#headder_img{
	width:800px;
	height:80px;
}
#nav {
	width: 800px;
	height:30px;
	background-color:#ffffff;
	text-align:center;
	margin-bottom:10px;
}
#mainbox{
	width:800px;
	height:1500px;
	background-image:url(../images/pro_knowledge_bg.png)
}
#mainimg{
	width:660px;
	margin-left:60px;
	margin-right:80px;
	margin-bottom:10px;
}
#syousai{
	width:660px;
	margin-left:60px;
	margin-right:80px;
}
.shittemasuka001{
	width:320px;
	height:250px;
	margin-right:10px;
	margin-bottom:20px;
	float:left;
}
.shittemasuka0011{
	width:330px;
	height:250px;
	float:right;
}
.shittemasuka01{
	width:660px;
	clear:both;
}
.shittemasuka002{
	width:320px;
	height:230px;
	margin-right:10px;
	margin-bottom:20px;
	float:left;
}
.shittemasuka0021{
	width:330px;
	height:230px;
	float:right;
}
.shittemasuka02{
	clear:both;
}
.shittemasuka003{
	width:320px;
	height:360px;
	margin-right:10px;
	margin-bottom:20px;
	float:left;
}
.shittemasuka0031{
	width:330px;
	height:360px;
	float:right;
}
.shittemasuka03{
	clear:both;
}
.shittemasuka004{
	width:320px;
	height:200px;
	margin-right:10px;
	margin-bottom:20px;
	float:left;
}
.shittemasuka0041{
	width:330px;
	height:200px;
	float:right;
}
.shittemasuka04{
	clear:both;
}
#back{
	margin-right:40px;
	text-align:right;
}
#kinjitsu{
	text-align:center;
}
#nav2 {
	width: 800px;
	height:20px;
	background-color:#ffffff;
	text-align:center;
	margin-bottom:30px;
	margin-top:10px;
}
#footBox1{
	text-align:right;
	float:right;
	margin-right:10px;
}
#footBox2{
	text-align:right;
	float:right;
}
#footer{
	width:800px;
	height:155px;
}