
#container {
position:relative;
}
#menu-frame {
    position:absolute;
    top:0;
    left:0;
    z-index:3;
    width:350px;
    height:100%;
    margin: 0;
    border: 0px solid gray;
    font-family: "メイリオ", "MS UI Gothic";
}
#main-frame-i {
margin-left:350px;
}
#main-frame {
width:100%;
height:800px;
}


@font-face {
  font-family: 'メイリオ';
  font-weight: normal;
  font-style: normal;
}
#accordion{
  position:relative;
  width: 350px;
  margin: 0 auto;
  padding: 0;
  border-top: 5px solid #1b4958;
  border-bottom: 5px solid #1b4958;
  border-radius: 3px;
  font-size: 12px;
  line-height: 1;
}
#accordion input{
  position:absolute;
  height: 0;
  padding: 0;
}
#accordion div div{
  position: relative;
  padding: 10px 5px 7px 35px;
  border-top: 1px solid #d4ebf2;
  border-bottom: 1px solid #86c5da;
  //background: #add8e6;
}
#accordion label:first-child div div{
  border-top: 0;
}
#accordion label:last-child div div{
  border-bottom: 0;
}
#accordion div div:hover{
  background: #d4ebf2;
  cursor: pointer;
}
#accordion #oya div:before{
  position:absolute;
  top: 6px;
  left:10px;
  content: url("../image/folder.png");
}
#accordion #oya div:after{
  position:absolute;
  top: 5px;
  right:10px;
  color: #2f7f99;
  font: 10px 'メイリオ';
  content: ">";
  -moz-transition: .3s;
  -webkit-transition: .3s;
  -o-transition: .3s;
  -ms-transition: .3s;
  transition: .3s;
}
#accordion input:checked + div div:after{
  top: 5px;
  right: 10px;
  -moz-transform: rotate(90deg);
  -webkit-transform: rotate(90deg);
  -o-transform: rotate(90deg);
  -ms-transform: rotate(90deg);
  transform: rotate(90deg);
}
#accordion ul{
  list-style: none;
  margin: 0;
  background: #ffffff;
}
#accordion ul li a{
  display: block;
  overflow: hidden;
  height: 0;
  padding: 0px 30px;
  color: #333;
  text-decoration: none;
  -moz-transition: .3s;
  -webkit-transition: .3s;
  -o-transition: .3s;
  -ms-transition: .3s;
  transition: .3s;
}
#accordion ul li a:hover{
  border-top-color: #c7e4ee;
  background: #d4ebf2;
  color: #1b4958;
}
#accordion input:checked + div ul li a{
  position:relative;
  background: none;
  line-height: 1;
  height: 10px;
  padding: 10px 40px;
  border-top: 1px solid #fff;
  border-bottom: 1px solid #a0d2e2;
}
#accordion input:checked + div ul li a:before{
  position: absolute;
  top: 6px;
  left: 15px;
  content: url(../image/file.png);
  -moz-transition: .3s;
  -webkit-transition: .3s;
  -o-transition: .3s;
  -ms-transition: .3s;
  transition: .3s;
}
#accordion input:checked + div ul li:first-child a{
  border-top: 0px;
  box-shadow: 0 7px 7px -7px rgba(0,0,0,.5) inset;
}
#accordion input:checked + div ul li:last-child a{
  border-bottom: 1px solid #d4ebf2;
}
#accordion input:checked + div ul li a:hover{
  background: #d4ebf2;
  border-top-color: #eef7fa;
}


#gekoku a{
  text-decoration: none;
  color: #333;
}
#gekoku a div:before{
  position:absolute;
  top: 6px;
  left:10px;
  content: url("../image/file.png");
}
