#Layer1 {
  position:absolute;
  top:255px;
  width:200px;
  z-index:1;
  visibility: hidden;
}
#Layer2 {
  position:absolute;
  top:255px;
  width:200px;
  z-index:1;
  visibility: hidden;
}
#Layer3 {
  position:absolute;
  top:255px;
  width:200px;
  z-index:1;
  visibility: hidden;
}

#Layer1 ul { margin:0; padding:0; }
#Layer2 ul { margin:0; padding:0; }
#Layer3 ul { margin:0; padding:0; }

.navi_list li {
  list-style-type:none;
  text-align:left;
  overflow:hidden;
}
.navi_list li a{
  width:200px;
  display:block;
  border-collapse:collapse;
  border:0;
  background:url(../images/navi_bg.png);
  text-decoration:none;
  overflow:hidden;
  margin:0;
  color:#111;
  padding:2px 0 2px 10px;
}
.navi_list li a:hover{
  border-collapse:collapse;
  border:0;
  overflow:hidden;
  background:url(../images/navi_bg_on.png);
}