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CSS

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JavaScript

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Babel includes JSX processing.

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HTML 

              
                <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>

<header>
<nav>
 <div class="drawer">
 <!--- いわゆるロゴ ------>
   <div id="logo"><a href="#">LOGO</a></div>
   <!--- いわゆるロゴ ------>
 
<!-- ハンバーガーメニュー部分 --> 
<div class="Toggle">
　　<span></span>
　　<span></span>
　　<span></span>
</div>
  </div>
 <!-------------- drawer ここまで-->
 
 <div class="menu">
  <ul>
   <li><a href="#">Home</a></li>
   <li><a href="#">About</a></li>
   <li><a href="#">Service</a></li>
   <li><a href="#">access</a></li>
  </ul>
 </div>
</nav>
</header>
!

CSS 

              
                
#logo {
  max-width:50%;
  display:block;
  margin:0 auto;
  
}


nav{
 width: 100%;
 height: 70px;
 position: relative;
 background: #F6F6F6;
  
}
.drawer{
 display: flex;
 flex-direction: row;
 align-items: center;
 justify-content: space-between;
 position: relative;
 height: 70px;
 padding: 0 1em;
}

/*ナビゲーション部分*/

.menu ul li a {
display:block;
  font-weight:bold;
padding: 2em;
border-bottom: 1px dotted #CCC;
  color:#333;
  text-decoration:none;
}


.menu ul li a:hover
{background-color:rgba(0,0,0,0.5);
color:orange;}


.menu{
  text-align:center;
  background-color:rgba(255,255,255,0.5);
  transition: .5s ease;/*滑らかに表示*/
  -webkit-transform: translateX(-105%);
  transform: translateX(-105%);/*左に隠しておく*/
}


/*OPEN時の動き*/
.menu.open {
 -webkit-transform: translateX(0%);
 transform: translateX(0%);/*中身を表示（右へスライド）*/

}



/*トグルボタンのスタイルを指定*/
.Toggle {
    display: block;
    position: fixed;    /* bodyに対しての絶対位置指定 */
    width: 42px;
    height: 42px;
    cursor: pointer;
    z-index: 3;
  right:15px;
}
 
.Toggle span {
    display: block;
    position: absolute;
    width: 50px;
    border-bottom: solid 4px #333;
    -webkit-transition: .35s ease-in-out;	/*変化の速度を指定*/
    -moz-transition: .35s ease-in-out;		/*変化の速度を指定*/
    transition: .35s ease-in-out;			/*変化の速度を指定*/
 
}
 
.Toggle span:nth-child(1) {
    top:5px;
}
 
.Toggle span:nth-child(2) {
    top: 18px;
}
 
.Toggle span:nth-child(3) {
    top: 32px;
}
 


.Toggle.active span:nth-child(1) {
    top: 18px;
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    transform: rotate(-45deg);
}
 
/* 2番目と3番目のspanを45度に */
.Toggle.active span:nth-child(2),
.Toggle.active span:nth-child(3) {
    top: 18px;
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    transform: rotate(45deg);
}



@media screen and (min-width: 600px) {
  
  header::after{
    
    display:none;
  } 
  
  
nav{
 display: flex;

}
.Toggle{
 display: none;
}
.menu{
 width: 100%;
  background-color: transparent;
  margin-top:0;
 -webkit-transform: translateX(0);
 transform: translateX(0);
}
.menu ul{
 height: 70px;
 display: flex;
 flex-wrap: wrap;
 justify-content: flex-end;
 align-items: center;
}
.menu ul li a{
 padding: 0 1em;
 border-bottom: none;

}
  
  .menu ul li a:hover
{
  background-color:transparent;
}
  
  
}
!

JS 

              
                
$(function() {
　$('.Toggle').click(function() {
   $(this).toggleClass('active');
  $('.menu').toggleClass('open');
 });
});
!
999px

Console