@media screen and (max-width:960px){
	/*メニュー部分*/
	nav{
		display:none;
		position:absolute;
		top:0;
		width: 100%;
		height: 100vh;
		background:rgba(255,255,255,0.8);
		left: 0;
		z-index:10000;
	}
	header nav ul{
		display: block;
		width: 100%;
		height: 100%;
		position: absolute;
		top: 0px;
		right: 0px;
		bottom: 0px;
		left: 0px;
		margin: auto;
                z-index:10000;
	}
	header nav ul li{
		margin: 0 auto;
		text-align: center;
	}
	header nav ul li:last-child{
		border: none;
	}
	header nav ul li a{
		display: block; 
		color: #006598;
	}
}

@media screen and (max-width:960px){	
	/*開閉ボタン*/
	#nav_toggle{
		display: block;
		width: 30px;
                height:0px;
		position: relative;
		top: 0px;
		z-index: 100000;
	}
	#nav_toggle div {
		position: relative;
	}
	#nav_toggle span{
		display: block;
		height: 7px;
		background:#30bceb;
		position:absolute;
		width: 100%;
		left: 0%;
		-webkit-transition: 0.5s ease-in-out;
		-moz-transition: 0.5s ease-in-out;
		transition: 0.5s ease-in-out;	
	}
	#nav_toggle span:nth-child(1){
		top:0px;
	}
	#nav_toggle span:nth-child(2){
		top:12px;
	}
	#nav_toggle span:nth-child(3){
		top:24px;
	}
	
	/*開閉ボタンopen時*/
	.open #nav_toggle span:nth-child(1) {
			top: 12px;
		   -webkit-transform: rotate(135deg);
			-moz-transform: rotate(135deg);
			transform: rotate(135deg);
		}
		.open #nav_toggle span:nth-child(2) {
			width: 0;
			left: 50%;
		}
		.open #nav_toggle span:nth-child(3) {
			top: 12px;
			-webkit-transform: rotate(-135deg);
			-moz-transform: rotate(-135deg);
			transform: rotate(-135deg);
		}
}