@charset "UTF-8";






div.header p {
position: relative;
left: 10px;
width: 680px;
height: 33px;
margin: -33px auto 0;
background: none;
}









.nav {
background: url(http://labs.edge.jp/img/common/nav/bg_menubluck_alpha.png) repeat-x;
text-align: center;
overflow: hidden;

zoom: 1;
}

.nav h2 {
float: left;
position: relative;
left: 50%;
}

.nav h2 span {
display: block;
position: relative;
right: 490%;
padding-bottom: 23px;
background: url(http://labs.edge.jp/img/common/nav/triagle_black_alpha.png) no-repeat left bottom;
}

.nav ul {
float: left;
position: relative;
left: 50%;
}

.nav ul li {
float: left;
position: relative;
right: 50%;
}


/* btn */

.nav ul li a {
display: block;
width: 120px;
height: 31px;
}

.nav ul li a:hover {
zoom: 1;
}

.nav ul li a:hover img {
position: absolute;
width: 0;
height: 0;
overflow: hidden;
}

.nav ul li.colab a {
background: url(http://labs.edge.jp/img/common/nav/colab_on.gif) no-repeat;
}
.nav ul li.colabv6 a {
background: url(http://labs.edge.jp/img/common/nav/colabv6_on.gif) no-repeat;
}
.nav ul li.datasets a {
background: url(http://labs.edge.jp/img/common/nav/datasets_on.gif) no-repeat;
}
.nav ul li.src a {
background: url(http://labs.edge.jp/img/common/nav/src_on.gif) no-repeat;
}