.backwhite3{
display: block;
position: fixed;
z-index: 12;
width: 100%;
height: 80px;
 cursor: pointer;
 text-align: 
 center;
 background: 
 white;
 top: 0;
}

@media (min-width:750px){
    .backwhite3{
        display: none;
    }
}

/*　ハンバーガーメニューボタン　*/
.hamburger {
  display : block;
  position: fixed;
  z-index : 3;
  right : 20px;
  top   : 20px;
  width : 42px;
  height: 42px;
  cursor: pointer;
  text-align: center;
}
.hamburger span {
  display : block;
  position: absolute;
  width   : 30px;
  height  : 2px ;
  left    : 6px;
  background : #BBBBBB;
  -webkit-transition: 0.3s ease-in-out;
  -moz-transition   : 0.3s ease-in-out;
  transition        : 0.3s ease-in-out;
}
.hamburger span:nth-child(1) {
  top: 10px;
}
.hamburger span:nth-child(2) {
  top: 20px;
}
.hamburger span:nth-child(3) {
  top: 30px;
}

/* スマホメニューを開いてる時のボタン */
.hamburger.active span:nth-child(1) {
  top : 16px;
  left: 6px;
  background : #BBBBBB;
  -webkit-transform: rotate(-45deg);
  -moz-transform   : rotate(-45deg);
  transform        : rotate(-45deg);
}

.hamburger.active span:nth-child(2),
.hamburger.active span:nth-child(3) {
  top: 16px;
  background : #BBBBBB;
  -webkit-transform: rotate(45deg);
  -moz-transform   : rotate(45deg);
  transform        : rotate(45deg);
}

/* メニュー背景　*/
nav.globalMenuSp {
  position: fixed;
  z-index : 12;
  top  : 80px;
  left : 0;
  color: #fff;
  background: rgba( 71,70,73,0.6 );
  text-align: center;
  width: 100%;
  opacity: 0;
  display: none;
  transition: opacity .6s ease, visibility .6s ease;
  height: 100%;
}

nav.globalMenuSp ul {
  margin: 0 auto;
  padding: 0;
  width: 100%;
  font-size: 18px;
}

nav.globalMenuSp ul li {
  list-style-type: none;
  padding: 0;
  width: 100%;
  transition: .4s all;
}
nav.globalMenuSp ul li:last-child {
  padding-bottom: 0;
}
nav.globalMenuSp ul li:hover{
  background :black;
}

nav.globalMenuSp ul li a {
  display: block;
  color: #fff;
  padding: 1em 0;
  text-decoration :none;
  cursor: default;
pointer-events: auto;
}

nav.globalMenuSp ul li a:hover{
  background :black;
}

/* クリックでjQueryで追加・削除 */
nav.globalMenuSp.active {
  opacity: 100;
  display: block;
}