*{
 margin: 0;
 padding: 0;
}

img{
  border: 0;
}

li{
   list-style: none;
}


#g-navi{
   margin: 0 auto;
   text-decoration: none;
   width: 690px;
   height: 70px;

}

#g-navi li{
   width: 115px;
   height: 70px;
   position: relative;
   float: left;
   list-style: none;

}


#g-navi a{
   display: block;
   width: 115px;
   height: 70px;
   background: url(../images/g_navi.jpg);
   text-indent: -5000px;
   position: absolute;
   top: 0;
   left: 0;
}


#b1 a{background-position: 0 0;}
#b2 a{background-position: -115px 0;}
#b3 a{background-position: -230px 0;}
#b4 a{background-position: -345px -70px;}
#b5 a{background-position: -460px 0;}
#b6 a{background-position: -575px 0;}


#b1 a:hover{background-position: 0 -70px;}
#b2 a:hover{background-position: -115px -70px;}
#b3 a:hover{background-position: -230px -70px;}
#b4 a:hover{background-position: -345px -70px;}
#b5 a:hover{background-position: -460px -70px;}
#b6 a:hover{background-position: -575px -70px;}




#content{
   width: 650px;
   margin: 0 auto;
   padding-top: 20px;
}

h2{
   width: 650px;
   height: 40px;
   margin-top: 20px;
   margin-left: 30px;}