nav a {
	position: relative;
	display: inline-block;
	outline: none;
	text-shadow: 1px 1px 1px #000000;
     color: #FFF;
	 list-style-type: none;
	text-decoration: none;
	text-transform: uppercase;
	font-weight: 400;
}
nav .tw{
	letter-spacing: 1px;
	font-size: 18px;
	margin: 15px 35px;
}
nav .en{
	font-size: 19px;
	margin: 15px 30px;
}
nav .ja{
	font-size: 18px;
	margin: 15px 35px;
}
nav a:hover,
nav a:focus {
	outline: none;
}

/* Effect 13: three circles */
.cl-effect-13 a {
	-webkit-transition: color 0.3s;
	-moz-transition: color 0.3s;
	transition: color 0.3s;
}

.cl-effect-13 a::before {
	position: absolute;
	top: 100%;
	left: 50%;
	color: transparent;
	content: '•';
	text-shadow: 0 0 transparent;
	font-size: 0.8em;
	-webkit-transition: text-shadow 0.3s, color 0.3s;
	-moz-transition: text-shadow 0.3s, color 0.3s;
	transition: text-shadow 0.3s, color 0.3s;
	-webkit-transform: translateX(-50%);
	-moz-transform: translateX(-50%);
	transform: translateX(-50%);
	pointer-events: none;
}

.cl-effect-13 a:hover::before,
.cl-effect-13 a:focus::before {
	color: #F36;
	text-shadow: 10px 0 #F66, -10px 0 #F66;
}

.cl-effect-13 a:hover,
.cl-effect-13 a:focus {
	color: #FF3366;
}

.cl-effect-13 .current{
	color: #FF3366;
}