body.gunsyu{
    background-color:black;
    color:#ffffff;
}

div.about{
    text-align:center;
}

nav.gnsyumenu{
    margin:0 auto;
}

.gunsyumenu ul {
	list-style: none;
    margin:0;
	padding: 0;
}
.gunsyumenu ul::after {
	content: "";
	display: block;
	clear: both;
}
.gunsyumenu ul li {
	float: left;
	width: 20%;
	box-sizing: border-box;
}
.gunsyumenu ul li a {
	display: block;
	padding: .4em .8em;
	text-decoration: none;
  background-color:#0AC5F2;
  color: #0E2D8C;
	text-align: center;
}
.gunsyumenu ul li a:hover {
  background-color:#0E2D8C;
  color: #0AC5F2;
}

nav.gunsyuchara{
    float:left;
    width:130px;
}

.gunsyuchara ul {
	list-style: none;
	margin: 0;
	padding: 0;
  max-height:100%;
}
.gunsyuchara ul li a {
	display: block;
	padding: .4em .8em;
	text-decoration: none;
  background-color:#0AC5F2;
  color: #0E2D8C;
	text-align: center;
	margin: .2em 0;
}
.gunsyuchara ul li a:hover {
  background-color:#0E2D8C;
  color: #0AC5F2;
}

iframe.gunsyuchara{
    width:620px;
    height:740px;
    border: 0px;
    margin:0;
	padding: 0;
}