body {
background: url(http://open.nibb.ac.jp/images/openbk.gif);
background-color: #999999;
text-align: center;
padding-top: 0px;
padding-right: 0px;
padding-bottom: 0px;
padding-left: 0px;
margin-top: 0px;
margin-right: 0px;
margin-bottom: 0px;
margin-left: 0px;
font-family: sans-serif;
}

a:hover {
color: #0068b7;
}

a {
color: #113355;
}

address {
font-size: 10px;
font-style: italic;
font-weight: normal;
text-align: right;
margin-top: 2px;
margin-right: 2px;
margin-bottom: 2px;
margin-left: 2px;
padding-top: 2px;
padding-right: 2px;
padding-bottom: 2px;
padding-left: 2px;
border: none;
color: #CCCCCC;
}

.outer
{
text-align: left;
border: 0px solid #0068b7;
width: 770px;
background-color: #0068b7;
padding: 0px ;
margin:0 auto 0 auto;
}

.outer2
{
padding: 0px;
width: 762px;
background-color: #0068b7;
border-top: 4px solid #0068b7;
border-bottom: 4px solid #0068b7;
margin-right:4px;
margin-left:4px;
}

.main
{
float:left;
width:620px;
background-color: #ffffff;
}

.main2
{
float:left;
width:620px;
background-color: #CCCCCC;
background: url(http://open.nibb.ac.jp/images/koukai.jpg);
}

.menu
{
float:left;
width:142px;
background-color: #0068b7;
height: 620px;
}

.clears{
clear:both;
}

.foot
{
clear:left;
width:762px;
background-color: #0068b7;
height: 30px;
}

.head
{
background-color: #CCFFCC;
height: 20px;
}

.clears{
clear:both;
}

.hasira
{
float:left;
width:1px;
height: 620px;
}

.hasirar
{
float:right;
width:1px;
height: 620px;
}

.maintop
{
width:600px;
height: 440px;
padding: 10px;
background-color: #ffffff;
}

.mainbottom
{
background: url(http://open.nibb.ac.jp/images/mainbottom.gif) repeat-x #fff 0% 100%;
width:600px;
height: 140px;	
padding: 10px;
background-color: #E1E4D5;
}

#mainmenu {
background-color: #CCCCCC;
width: 134px; 
height: 330px;
padding: 0px;
margin: 4px;
background: url(images/aramenu4.png) repeat-x #fff 0% 100%;
}
#mainmenu a:hover {
width: 130px;
font-size: 13px;
_font-size: small;
color: #0068b7;
display: block;
font-weight: bold;
text-decoration: none;
border-top: 1px solid #ab9;
border-right: 1px solid #cdb;
border-bottom: 1px solid #cdb;
border-left: 1px solid #ab9;
margin : 3px 0px 3px 0px;
text-align: right;
padding: 3px 0px 3px 0px;
background-image: url(http://open.nibb.ac.jp/images/bar.gif);
background-color: transparent;
}
#mainmenu a {
width: 130px;
font-size: 13px;
_font-size: small;
color: #113355;
display: block;
font-weight: bold;
text-decoration: none;
border-top: 1px solid #cdb;
border-right: 1px solid #ab9;
border-bottom: 1px solid #ab9;
border-left: 1px solid #cdb;
margin: 3px 0px 3px 0px;
text-align: right;
padding: 3px 0px 3px 0px;
background-image: url(http://open.nibb.ac.jp/images/bar.gif);
background-color: transparent;
}

#mainmenu ul {
margin: 0px;
padding: 0px;
list-style-type: none;
width: 130px;
display: inline;
}

#mainmenu li {
display: inline;
padding: 0px;
margin: 0;
width: 130px;
}

.common
{
background-color: #ffffff;
padding: 4px;
margin: 6px;
}