.overlay {
  content: "";
  display: block;
  width: 0;
  height: 0;
  background-color: rgba(0, 0, 0, 0.5);
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  opacity: 0;
  transition: opacity .5s;
}
.overlay.open {
  width: 100%;
  height: 100%;
  opacity: 1;
}
main {
  height: 100%;
  /*min-height: 100vh;*/
  transition: all .5s;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
main.open {
  transform: translateX(-250px);
}
.menu-trigger {
  display: inline-block;
  width: 35px;
  height: 28px;
  vertical-align: middle;
  cursor: pointer;
  position: fixed;
  top: 15px;
  right: 15px;
  z-index: 100;
/*   transform: translateX(0);
  transition: transform .5s;
 */}
/* .menu-trigger.active {
  transform: translateX(-250px);
}
 */.menu-trigger span {
  display: inline-block;
  box-sizing: border-box;
  position: absolute;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: #707070;
  transition: all .5s;
  border-radius: 10px;
}

.menu-trigger:after{
	content: "MENU";
	position: absolute;
    top: 32px;
	right:4px;
	font-size:11px;
} 

.menu-trigger.active span {
  background-color: #707070;
}
.menu-trigger.active:after{
	content: "CLOSE";
	position: absolute;
    top: 32px;
	right:2px;
	font-size:11px;
} 
.menu-trigger span:nth-of-type(1) {
  top: 0;
}
.menu-trigger.active span:nth-of-type(1) {
  transform: translateY(12px) rotate(-45deg);
}
.menu-trigger span:nth-of-type(2) {
  top: 12px;
}
.menu-trigger.active span:nth-of-type(2) {
  opacity: 0;
}
.menu-trigger span:nth-of-type(3) {
  bottom: 0;
}
.menu-trigger.active span:nth-of-type(3) {
  transform: translateY(-12px) rotate(45deg);
}
 
#header_sp nav {
  width: 250px;
  height: 110%;
  padding: 100px 0;
  background-color:#fff;
  position: fixed;
  top: -40px;
  right: 0;
  overflow-y: scroll;
  z-index: 10;
  transform: translate(250px);
  transition: all .5s;
  -webkit-overflow-scrolling: touch;
}
#header_sp nav.open {
  transform: translateZ(0);
  width:90%;
}

#header_sp nav.open > div{
	overflow:auto
}

#header_sp nav ul{
	padding: 0 20px;
}

#header_sp nav li a{
	text-decoration:none;
	display: block;
	font-size: 18px;
	padding: 15px 0;
}

#header_sp nav .p_nav > li {
  color: #fff;
  border-bottom: 1px solid #CCCCCC;
  background: url(../img/common/link_mark01.jpg) no-repeat center right 20px;
}

#header_sp nav .p_nav{
	margin-bottom:20px;
}

#header_sp nav p{
	padding: 0 20px;
  margin-bottom: 10px;
}

#header_sp nav p.tel{
	font-size: 30px;
    font-weight: bold;
	margin-bottom: 15px;
  color: #006ead;
}

#header_sp nav p.tel a{
  color: #006ead !important;
}