<div class="cp_cont">
	<input type="checkbox" id="cp_toggle03">
	<div class="cp_mobilebar">
	<label for="cp_toggle03" class="cp_menuicon">
	<span></span>
	</label>
	</div>
	<header class="cp_offcm03">
		<nav>
		<ul>
		<li><a href="#">menu1</a></li>
		<li><a href="#">menu2</a></li>
		<li><a href="#">menu3</a></li>
		<li><a href="#">menu4</a></li>
		<li><a href="#">menu5</a></li>
		</ul>
		</nav>
	</header>
	<div class="cp_container">
	<div class="cp_content">
		<h1>contents</h1>
	</div>
	</div>
</div>

*, *:before, *:after {
	padding: 0;
	margin: 0;
	box-sizing: border-box;
}
ol, ul {
	list-style: none;
}
a {
	text-decoration: none;
	color: inherit;
}
.cp_cont {
	height: 65vh;
}
/* menu */
.cp_offcm03 {
	position: relative;
	z-index: 5;
	top: 0;
	left: 0;
	overflow: auto;
	width: 100%;
	height: auto;
	padding-top: 0;
	-webkit-transition: transform 0.3s ease-in;
	        transition: transform 0.3s ease-in;
	text-align: center;
	color: #ffffff;
	background-color: #039be5;
}
.cp_offcm03 nav,
.cp_offcm03 ul {
	height: 100%;
}
.cp_offcm03 li {
	display: inline-block;
	margin-right: -6px;
	border: none;
}
.cp_offcm03 a {
	display: block;
	padding: 12px 45px;
	-webkit-transition: background-color .3s ease-in;
	        transition: background-color .3s ease-in;
}
.cp_offcm03 a:hover {
	background-color: #1565C0;
}
/* menu toggle */
#cp_toggle03 {
	display: none;
}
#cp_toggle03:checked ~ .cp_offcm03 {
	-webkit-transform: translateX(0);
					transform: translateX(0);
}
#cp_toggle03:checked ~ .cp_container {
	-webkit-transform: translateX(0);
					transform: translateX(0);
}
.cp_mobilebar {
	display: none;
}
/* content */
.cp_container {
	position: relative;
	top: 0;
	padding: 35px auto;
	-webkit-transition: transform .3s ease-in;
	        transition: transform .3s ease-in;
}
.cp_content {
	margin: 0 auto;
	padding: 20px;
	height: 65vh;
	text-align: center;
}
@media (max-width: 767px) {
	/* menu */
	.cp_offcm03 {
		position: fixed;
		left: -250px;
		overflow-y: hidden;
		width: 250px;
		height: 100%;
		padding-top: 60px;
		color: #ffffff;
		background-color: #039be5;
	}
	.cp_offcm03 nav {
		background: #29B6F6;
	}
	.cp_offcm03 li {
		display: block;
		margin-right: 0;
		border-bottom: 1px solid #ffffff;
	}
	.cp_offcm03 a {
		padding: 20px;
	}
	/* menu toggle */
	.cp_mobilebar {
		display: block;
		z-index: 10;
		position: fixed;
		top: 0;
		left: 0;
		padding: 0 25px;
		width: 100%;
		height: 60px;
		background-color: #039BE5;
	}
	.cp_menuicon {
		display: block;
		position: relative;
		width: 25px;
		height: 100%;
		cursor: pointer;
		-webkit-transition: transform .3s ease-in;
		        transition: transform .3s ease-in;
	}
	.cp_menuicon > span {
		display: block;
		position: absolute;
		top: 55%;
		margin-top: -0.3em;
		width: 100%;
		height: 0.2em;
		border-radius: 1px;
		background-color: #eeeeee;
		-webkit-transition: transform .3s ease;
		        transition: transform .3s ease;
	}
	.cp_menuicon > span:before,
	.cp_menuicon > span:after {
		content: '';
		position: absolute;
		width: 100%;
		height: 100%;
		border-radius: 1px;
		background-color: #eeeeee;
		-webkit-transition: transform .3s ease-in;
		        transition: transform .3s ease-in;
	}
	.cp_menuicon > span:before {
		-webkit-transform: translateY(-0.6em);
		        transform: translateY(-0.6em);
	}
	.cp_menuicon > span:after {
		-webkit-transform: translateY(0.6em);
		        transform: translateY(0.6em);
	}
	#cp_toggle03:checked + .cp_mobilebar .cp_menuicon {
		-webkit-transform: rotate(45deg);
		        transform: rotate(45deg);
	}
	#cp_toggle03:checked + .cp_mobilebar span:before,
	#cp_toggle03:checked + .cp_mobilebar span:after {
		-webkit-transform: rotate(90deg);
		        transform: rotate(90deg);
	}
	#cp_toggle03:checked ~ .cp_offcm03 {
		-webkit-transform: translateX(100%);
		        transform: translateX(100%);
	}
	#cp_toggle03:checked ~ .cp_container {
		-webkit-transform: translateX(250px);
		        transform: translateX(250px);
	}
	/* content */
	.cp_container {
		top: 60px;
		height: 92vh;
	}
}