.contents {
	width: 100%;
	height: 100%;
}

.contents__inner {
	box-sizing: border-box;
	width: 100%;
	margin: 0 auto;
	padding: 0px 0px;
	color: #fff;
}


/* --------------------------------------------------- btn */
.btn__box {
	width: 250px;
	height: 50px;
	line-height: 50px;
	margin: 100px auto 0;
	font-size: 13px;
}

.btn__box a {
	position: relative;
	display: block;
	color: #666;
	background: #fff;
}

.btn__box a:before {
	content: '';
	position: absolute;
	top: -5px;
	left: -5px;
	box-sizing: border-box;
	width: 250px;
	height: 50px;
	border: 1px solid #666;
	-webkit-transition: all .5s ease;
	transition: all .5s ease;
}

.btn__box a:hover:before {
	-webkit-transform: translate(10px, 10px);
	-ms-transform: translate(10px, 10px);
	transform: translate(10px, 10px);
}

/* --------------------------------------------------- menu */
.menu不要 {
	float: right;
	position: relative;
	width: 100%;
	height: 50px;
	max-width: 100%;
	margin: 0 auto;
}


.menu > li {
	float: right;
	width: 25%;
	height: 50px;
	line-height: 50px;
	
}

.menu > li a {
	display: block;
	color: #000;
}

.menu > li a:hover {
	color: #fff;
}

ul.menu__second-level {
	visibility: hidden;
	opacity: 0;
	z-index: 1;
}

ul.menu__third-level {
	visibility: hidden;
	opacity: 0;
}

ul.menu__fourth-level {
	visibility: hidden;
	opacity: 0;
}

.menu > li:hover {
	background: rgba(0, 0, 0, 0.50);
	-webkit-transition: all .5s;
	transition: all .5s;
}

.menu__second-level li {
	border-top: 1px solid #111;
}

.menu__third-level li {
	border-top: 1px solid #111;
}

.menu__second-level li a:hover {
	color: rgba(255, 255, 255, 0.90);
	
}

.menu__third-level li a:hover {
	background: #2a1f1f;
}

.menu__fourth-level li a:hover {
	background: #1d0f0f;
}

.init-bottom:after {
	content: '';
	display: inline-block;
	width: 8px;
	height: 8px;
	margin: 0 0 0 15px;
	border-right: 2px solid #000;
	border-bottom: 2px solid #000;
	-webkit-transform: rotate(45deg);
	-ms-transform: rotate(45deg);
	transform: rotate(45deg);
}

.menu:before,
.menu:after {
	content: " ";
	display: table;
}

.menu:after {
	clear: both;
}

.menu {
	*zoom: 1;
}

/* --------------------------------------------------- single menu */


/* --------------------------------------------------- multi menu */


/* -----------------------------------visibility: hidden;---------relative----absolute--- mega menu */
li.menu__mega ul.menu__second-level {
	position: absolute;
	top: 40px;
	left: 0;
	box-sizing: border-box;
	width: 100%;
	padding: 20px 2%;
	background: rgba(255, 255, 255, 0.90);
	-webkit-transition: all .2s ease;
	transition: all .2s ease;
}
@media (max-width: 700px) {
	li.menu__mega ul.menu__second-level {
		position: absolute;
		top: 40px;
		left: 0;
		box-sizing: border-box;
		width: 100%;
		padding: 10px 1%;
		background: rgba(255, 255, 255, 0.90);
		-webkit-transition: all .2s ease;
		transition: all .2s ease;
}
}

li.menu__mega:hover ul.menu__second-level {
	top: 50px;
	visibility: visible;
	opacity: 1;
}
@media (max-width: 700px) {
	li.menu__mega:hover ul.menu__second-level {
		top: 120px;
		visibility: visible;
		opacity: 1;
}
}

li.menu__mega ul.menu__second-level > li {
	float: left;
	width: 24%;
	border: none;
}

li.menu__mega ul.menu__second-level > li:nth-child(4n+3) {
	margin: 0 1%;
}