/* メニューボタン */
#btn-menu {
  display: block;
  position: absolute;
  top: 0;
  right: 0;
  width: 78px;
  height: 70px;
  padding: 0 20px;
  color: #fff;
  background: #e73363;
  z-index: 2;
  transition: all .2s ease-in;
}
 
#btn-menu span {
  display: block;
  width: 100%;
  height: 5px;
  background: #fff;
}
 
#btn-menu span:nth-of-type(1) {
  margin: 5px 0 0;
}
 
#btn-menu span:nth-of-type(2) {
  margin: 8px 0 0;
}
 
#btn-menu span:nth-of-type(3) {
  margin: 8px 0 5px;
}
 
/* メニュー */
#sp-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,0.65);
  overflow: scroll;
  z-index: 1;
  transition: all .3s ease-in;
  visibility: hidden;
  opacity: 0;
}
 
.open-menu #sp-menu {
  visibility: visible;
  opacity: 1;
}
 
#sp-menu-position {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
}
 
.sp-menu-list {
  list-style: none;
}
 
.sp-menu-list a {
  font-size: 22px;
  font-weight: bold;
  color: #e73363;
}