/*ハンバーガーメニュー*/
a#btn span {
  background: #a38a77;
  width: 36px;
  height: 5px;
  display: block;
  position: relative;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
a#btn span:before {
  content: "";
  display: block;
  position: absolute;
  top: -10px;
  background: #a38a77;
  width: 36px;
  height: 5px;
  transition: all 0.3s ease-in-out;
}
a#btn span:after {
  content: "";
  display: block;
  position: absolute;
  top: 10px;
  background: #a38a77;
  width: 36px;
  height: 5px;
  transition: all 0.3s ease-in-out;
}
a#btn span.change {
  height: 0;
}
a#btn span.change:before {
  transform: rotate(-45deg);
  top: 0;
}
a#btn span.change:after {
  transform: rotate(45deg);
  top: 0;
}
a#btn {
  background: transparent;
  display: block;
  margin: 0;
  position: fixed;
  right: 0;
  top: 0;
  padding: 0;
  cursor: pointer;
  width: 120px;
  height: 120px;
  box-sizing: border-box;
  z-index: 9999;
}
/*モーダルナビゲーション*/
#overlay {
  box-shadow: 0 20px 20px rgba(0, 0, 0, .25);
  display: none;
  min-width: 500px;
  width: 30vw;
  height: 100vh;
  text-align: left;
  position: fixed;
  top: 120px;
  right: 0;
  z-index: 999;
  background: #FFF;
  overflow-y: scroll;
  -webkit-overflow-scrolling: touch;
}
.MDL_window_wrap {
  box-sizing: border-box;
  max-width: 100%;
  position: absolute;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  top: 40%;
  left: 0;
  transform: translateY(-50%);
  text-align: center;
  margin: 0;
  padding: 0 10%;
  width: 100%;
}
@media screen and (max-width: 736px){
 a#btn {
 width: 61px;
 height: 61px;}
 a#btn span {
  width: 21px;
  height: 3px;
}
a#btn span:before {
  top: -7px;
  width: 21px;
  height: 3px;
}
a#btn span:after {
  top: 7px;
  width: 21px;
  height: 3px;
}
 #overlay {
 box-shadow: none;
  top: 61px;
 max-width: 100%;
  min-width: auto;
 width: 100%;}
}