#box_main h1 {
  font-size: 1.8em;
  border-left: 15px solid #FF4500;
  border-right:150px solid #FF4500;
  padding: 1px 0 1px 8px;
  margin-bottom: 10px;
}
#box_main hr {
	margin:0;
}
#box_main h4 {
	padding-left: 0.3em;
	border-left: 5px solid steelblue;
	background: transparent;
}
p.widespace {
	margin-top: 2em;
}
.contents {
	margin-top: 0.8em;
	margin-left: 40px;
	margin-right: 100px;
	width: 80%;
}

table.publication {
	border-collapse: collapse;
	margin-top: 0;
	margin-bottom: 10px;
}
.publication th, .publication td {
	border: 1px dotted;
}
.publication th {
	background-color: lightgray;
	width: 6em;
}
.publication td {
	padding-left: 0.5em;
	width: 45em;
}
nav{
	text-align: center;
}
nav ul{
	margin: 0 ;
	padding: 0 ;
}
nav li{
	list-style: none;
	display: inline-block;
	width: 8%;
	min-width: 90px;
}
nav li:not(:last-child){
	border-right:2px solid #ddd;
}
nav li.current {
	color: #999999;
	border-bottom:2px solid #999999;
}
nav a{
	text-decoration: none;
	color: #333333;
}
nav a:hover{
	color:#F7CB4D;
	border-bottom:2px solid #F7CB4D;
	text-decoration: none;
}