/*=========================

  NW:Web CSS
#container
#main
.menu
#footer
=========================*/

html, body { 
margin: 0; 
padding: 0;
font-size:80%; 
} 
div#container {
width:80%;
margin:0px auto;
}

div#header .ad{
	width:500px;
	float:right;

}
div#navi {
	margin:0px auto;
	background-color: #CCC;
}

#navi .menu{
	float:left;
	width: 150px;
	text-align: center;
}
#navi div.menu last{
	border-right: 0px;
}

#main .koushin{
	clear:left;
	padding:20px;
	font-size:110%;
	width: 600px;
	margin: 20px auto;
}


#footer{
clear:both;
}