/*============
nav
=============*/
nav {
	display: block;
	position: fixed;
	top: 0;
	left: -300px;
	bottom: 0;
	width: 300px;
	background-image: url(../_img/bg_02.jpg) !important;
	background-repeat: repeat;
	background-position: center;
	/* background: #fff; */
	overflow-x: hidden;
	overflow-y: auto;
	-webkit-overflow-scrolling: touch;
	transition: all .5s;
	z-index: 3;
	opacity: 0;
}

.open nav {
	left: 0;
	opacity: 1;
}

nav .inner {
	padding: 25px;
}

nav .inner ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

nav .inner ul li {
	position: relative;
	margin: 0;
	border-bottom: 1px solid #333;
}

nav .inner ul li a {
	display: block;
	color: #333;
	font-size: 14px;
	padding: 1em;
	text-decoration: none;
	transition-duration: 0.2s;
}

nav .inner ul li a:hover {
	/* background: #e4e4e4; */
	background: rgba(255, 255, 255, 0.3);

}

@media screen and (max-width: 767px) {
	nav {
		left: -220px;
		width: 220px;
		background-image: url(../_img/bg_02.jpg) !important;
		background-repeat: repeat;
	}
}

/*============
.toggle_btn
=============*/
.toggle_btn {
	display: block;
	position: fixed;
	top: 30px;
	left: 30px;
	width: 30px;
	height: 30px;
	transition: all .5s;
	cursor: pointer;
	z-index: 3;
}

.open .toggle_btn {
	left: 330px;
}

.toggle_btn span {
	display: block;
	position: absolute;
	left: 0;
	width: 30px;
	height: 5px;
	background-color: #333;
	border-radius: 4px;
	transition: all .5s;
}

.toggle_btn span:nth-child(1) {
	top: 4px;
}

.toggle_btn span:nth-child(2) {
	top: 13px;
}

.toggle_btn span:nth-child(3) {
	bottom: 4px;
}

.open .toggle_btn span {
	background-color: #fff;
}

.open .toggle_btn {
	-webkit-transform: rotate(360deg);
	transform: rotate(360deg);
}

.open .toggle_btn span:nth-child(1),
.open .toggle_btn span:nth-child(3) {
	width: 16px;
}

.open .toggle_btn span:nth-child(1) {
	-webkit-transform: translate(-1px, 4px) rotate(-45deg);
	transform: translate(-1px, 4px) rotate(-45deg);
}

.open .toggle_btn span:nth-child(3) {
	-webkit-transform: translate(-1px, -4px) rotate(45deg);
	transform: translate(-1px, -4px) rotate(45deg);
}

@media screen and (max-width: 767px) {
	.open .toggle_btn {
		left: 250px;
	}
}

/*============
#mask
=============*/
#mask {
	display: none;
	transition: all .5s;
}

.open #mask {
	display: block;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: #000;
	opacity: .8;
	z-index: 2;
	cursor: pointer;
}

/*============
main
=============*/
main {
	width: 100%;
	padding: 50px 0;
	transition: all .5s;
}

.open main {
	margin-left: 300px;
}

main h1 {
	font-family: 'Open Sans', sans-serif;
	font-weight: 400;
	text-align: center;
}

/*============
body
=============*/
body {
	font-family: 'Open Sans', sans-serif;
	font-weight: 400;
	overflow: hidden;
}