/* JS disabled styles */
nav li:hover ul {
	display: block;
}

/* base nav styles */
nav {
	display: block;
	margin: 0 auto;
	border: none /* 1px solid #222 */;
	position: relative;
	background-color: #6a6a6a;
	font-family: "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif; font-size:small;
}
nav ul {
	padding: 0;
	margin: 0;
	width: 100%;
	max-width: 80.5em;
	display: block;
	margin: 0 auto;
}
nav li {
	position: relative;
	float: left;
	list-style-type: none;
	width: 20%;
}

@media screen and (max-width: 630px) {
nav li#fu {
	width: 33%;
}
nav li#ex {
	width: 33%;
}
nav li#pe {
	width: 34%;
}
nav li#to {
	width: 33%;
}
nav li#aw {
	display: none;
}
nav li#hide {
	display: none;
}
}
@media screen and (max-width: 500px) {
nav li#fu {
	width: 30%;
}
nav li#ex {
	width: 30%;
}
nav li#pe {
	width: 50%;
}
nav li#to {
	width: 20%;
}
nav li#hide {
	display: none;
}
}

nav ul:after {
	content: ".";
	display: block;
	height: 0;
	clear: both;
	visibility: hidden;
}
nav li a {
	display: block;
	padding: 13px 0;
	border-left: 1px solid #666;
	color: #ddd;
	text-decoration: none;
	text-align: center;
	font-size: 14px;
	font-weight: bold;
	line-height: 16px;
}
nav li a:hover {
	color: #FFF;
}
nav li#hide a {
	color: #FFFF99;
}
nav li a:focus {
	outline: none;
	text-decoration: none;
	
}
nav li:first-child a {
	border-left:1px solid #666;
}
nav li:last-child a {
	display: block;
	border-right: 1px solid #666;
}
@media screen and (max-width: 630px) {
nav li:first-child a {
	border-left: none;
}
nav li:last-child a {
	border-right: none;
}
}

/* CSS3 */
nav {
	-moz-border-radius:0 /* 4px */;
	-webkit-border-radius:0 /* 4px */;
	border-radius:0 /* 4px */;
}
nav { 
	background-image:-moz-linear-gradient(0% 22px 90deg, #222, #999);
	background-image:-webkit-gradient(linear, 0% 0%, 0% 70%, from(#999), to(#222));
	background-image: -ms-linear-gradient(top,  rgba(89,89,89,1) 0%,rgba(89,89,89,1) 9%,rgba(71,71,71,1) 32%,rgba(44,44,44,1) 44%,rgba(0,0,0,1) 58%,rgba(17,17,17,1) 70%,rgba(17,17,17,1) 76%,rgba(28,28,28,1) 91%,rgba(19,19,19,1) 100%); /* IE10+ */
}
nav {
	-moz-box-shadow:2px 2px 2px rgba(0,0,0,.55);
	-webkit-box-shadow:2px 2px 2px rgba(0,0,0,.55);
	box-shadow:2px 2px 2px rgba(0,0,0,.55);
}
nav li:hover, nav li#hide {
	background-image:-moz-linear-gradient(0% 100px 90deg, #999, #222);
	background-image:-webkit-gradient(linear, 0% 0%, 0% 100%, from(#222), to(#555));
	background-image: -ms-linear-gradient(top,  rgba(19,19,19,1) 0%,rgba(28,28,28,1) 9%,rgba(17,17,17,1) 24%,rgba(17,17,17,1) 30%,rgba(0,0,0,1) 42%,rgba(44,44,44,1) 56%,rgba(71,71,71,1) 68%,rgba(89,89,89,1) 91%,rgba(89,89,89,1) 100%); /* IE10+ */
}