.hamburger {
  display: block;
  width: 70px;
  height: 70px;
  position: fixed;
  top: 15px;
	right: 15px;
  z-index: 18000;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-tap-highlight-color: transparent;
  -ms-touch-action: manipulation;
  touch-action: manipulation;
	background-color: rgba(0, 0, 0, 0.5);
	border-radius: 50px;        /* CSS3草案 */  
    -webkit-border-radius: 50px;    /* Safari,Google Chrome用 */  
    -moz-border-radius: 50px;
	padding-top: 20px;
	padding-bottom: 12px;
	padding-left: 20px;
}

.hamburger__icon {
  position: relative;
  margin-top: 13px;
  margin-bottom: 9px;
}
.hamburger__icon, .hamburger__icon:before, .hamburger__icon:after {
  display: block;
  width: 30px;
  height: 1px;
  background-color: var(--color-gold);
  -moz-transition-property: background-color, -moz-transform;
  -o-transition-property: background-color, -o-transform;
  -webkit-transition-property: background-color, -webkit-transform;
  transition-property: background-color, transform;
  -moz-transition-duration: 0.4s;
  -o-transition-duration: 0.4s;
  -webkit-transition-duration: 0.4s;
  transition-duration: 0.4s;
}

.hamburger__icon:before, .hamburger__icon:after {
  position: absolute;
  content: "";
}
.hamburger__icon:before {
  top: -9px;
        }
.hamburger__icon:after {
  top: 9px;
}

.hamburger__icon_color,.hamburger__icon_color:before,.hamburger__icon_color:after {
	background-color: #444;
}

.hamburger.active .hamburger__icon {
  background-color: transparent;
}
.hamburger.active .hamburger__icon:before, .hamburger.active .hamburger__icon:after {
  background-color: var(--color-gold);
}
.hamburger.active .hamburger__icon:before {
  -moz-transform: translateY(9px) rotate(45deg);
  -ms-transform: translateY(9px) rotate(45deg);
  -webkit-transform: translateY(9px) rotate(45deg);
  transform: translateY(9px) rotate(45deg);
}
.hamburger.active .hamburger__icon:after {
  -moz-transform: translateY(-9px) rotate(-45deg);
  -ms-transform: translateY(-9px) rotate(-45deg);
  -webkit-transform: translateY(-9px) rotate(-45deg);
  transform: translateY(-9px) rotate(-45deg);
}

.fat-nav {
  top: 0;
  left: 0;
  z-index: 9999;
  position: fixed;
  display: none;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #222 0%, #000 80%);
   -moz-transform: scale(1);
  -ms-transform: scale(1);
  -webkit-transform: scale(1);
  transform: scale(1);
  -moz-transition-property: -moz-transform;
  -o-transition-property: -o-transform;
  -webkit-transition-property: -webkit-transform;
  transition-property: transform;
  -moz-transition-duration: 0.4s;
  -o-transition-duration: 0.4s;
  -webkit-transition-duration: 0.4s;
  transition-duration: 0.4s;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

.fat-nav__wrapper {
  	width: 100%;
  	height: 100vh;
  	display: flex;
  	justify-content: center;
  	align-items: center;
}

.fat-nav.active {
  -moz-transform: scale(1);
  -ms-transform: scale(1);
  -webkit-transform: scale(1);
  transform: scale(1);
}

.full-menu {
	display: flex;
 	justify-content: space-between;
  	align-items: center;
	width: 100%;
	max-width: 800px;
	margin: auto 40px;
}

.menu-area {
	display: flex;
 	flex-direction: column;
 	justify-content: center;
	width: 100%;
	margin-right: 0;
	margin-left: auto;
}

.menu-area ul {
  	width: 100%;
	margin: 0;
	padding: 0;
  	border-top: 1px solid #333;
}


.menu-area li {
	font-size: 1.2em;
	line-height: 1.8em;
  	list-style-type: none;
  	padding: 15px 10px;
	width: 100%;
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	position: relative;
	border-bottom: 1px solid #333;
}

.menu-img {
	width: 30px;
	vertical-align: middle;
	margin-right: 20px;
}

.menu-area li .en {
	color: var(--color-gold);
	width: 50%;
	text-align: left;
	position: relative;
}

.menu-area li .ja {
	width: 50%;
	text-align: right;
    font-size: 13px;
}

.menu-area li a {
  display: block;
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

.menu-area li, .menu-area li a {
 color: #bbb;
}

.menu-area li a {
  text-decoration: none;
}

.menu-area li:hover .en,
.menu-area li:hover .ja {
	color: #fff;
}



@media screen and (max-width: 640px) {
.hamburger {
  width: 55px;
  height: 55px;
  top: 5px;
	right: 5px;
	padding-top: 15px;
	padding-bottom: 12px;
	padding-left: 12px;
}

.hamburger {
  width: 55px;
  height: 55px;
  top: 5px;
	right: 5px;
	padding-top: 15px;
	padding-bottom: 12px;
	padding-left: 12px;
}

.menu-area li {
	font-size: 1em;
	line-height: 1.6em;
}


.menu-area li .en {
	display: block;
	width: 100%;
	text-align: left;
	font-size: 0.85em;
	margin-bottom: 2px;
}

.menu-area li .ja {
	width: 100%;
	text-align: left;
    font-size: 1em;
}
}