@media screen and (max-width: 768px) {
	.toggle {
		position: fixed;
		top: 1em;
		right: 5vw;
		z-index: 100000000000;
		display: block;
		cursor: pointer;
		padding: 1px 4px;
		border: 4px solid #003399;
		background-color: #99ccff;
		border-radius: 4px;
		height: 30px;
		width: 25px;
		/*transition: all .3s ease;*/
	}
	
	.toggle span,
	.toggle span:before,
	.toggle span:after {
		cursor: pointer;
		border-radius: 1px;
		top: 12.5px;
		height: 4px;
		width: 25px;
		position: absolute;
		background: #23222d;
		display: block;
		content: '';
		transition: all .3s ease-in-out;
	}
	
	.toggle span:before {
		top: -8px;
	}
	
	.toggle span:after {
		top: 8px;
	}
	
	input[type='checkbox']:checked ~ .toggle span {background-color: transparent;}
	
	input[type='checkbox']:checked ~ .toggle span:before,
	input[type='checkbox']:checked ~ .toggle span:after {
		top: 0;
	}
	
	input[type='checkbox']:checked ~ .toggle span:before {
		transform: rotate(45deg);
	}
	
	input[type='checkbox']:checked ~ .toggle span:after {
		transform: rotate(-45deg);
	}
	
	input[type='checkbox']:checked ~ nav ul {display: block;}
	

	nav ul {
		position: absolute; 
		top: 0;
		left: 0;
		display: none;
		z-index:1;
	}
	
	nav ul li {
		margin: 0;
	}

	nav ul a {
		float: none;
		width: 100vw;
		margin: 0;
		padding: 0;
		text-align: center; 
	/*	background: #eef; */
		background: rgba(204,204,204, .75); 
		display: inline-block;
		font-size: 4vw;
		height: 6vh;
		line-height: 6vh;
		color: #fff;
		border: none;
		border-radius: 0;
	}
	
	nav ul a:hover, nav ul a:focus {
		background: #fff;
		color: #333;
		box-shadow: 0;
	}
	nav img {max-height: 4vw; }
	section {
	min-height: 100vh;
	width: 100vw;
}
	.nohh {display: none;}

	.pc {display: none;}
	
	.handy {display: inline;}
	
@media screen and (max-device-width:480px), screen and (max-width:600px) {
	h1 {font-size: 1.7rem;} 
	h2 {font-size: 1.5rem;}
	h2 {font-size: 1.2rem;}
	ul {margin-left: 1rem;}
	
.info {
	padding: 1rem;
	color: #123456;
}
.dark {
	padding:  1rem; 
	background: #333; 
}