レスポンシブ必須ヘッダーやハンバーガー実装

レスポンシブデザインの時にハンバーガーメニューを入れる場面に直面することがあると思います。今回は普段実装に使うレスポンシブとワードプレスにも実装できる内容を紹介します。

まずはhtmlの実装です。

<header id="top-head">
  <div class="inner">
    <div id="mobile-head">
      <h1 class="logo"></h1>
      <div id="nav-toggle">
          <div>
              <span></span>
              <span></span>
              <span></span>
          </div>
      </div>
    </div><!---mobile-head end -->
    <nav id="global-nav" role="navigation">
      <div id="gnav-container">
        <ul id="gnav-ul" class="clearfix">
          <li><a href="#">html</a></li>
          <li><a href="#">css</a></li>
          <li><a href="#">jquery</a></li>
          <li><a href="#">unity</a></li>
          <li><a href="#">javascript</a></li>
        </ul>
      </div>
    </nav>
  </div><!---inner end------>
</header>

.inner {
  width: 980px;
  margin: 0 auto;
  position: relative;
}
 
.inner:after {
  content:"";
  clear: both;
  display: block;
}
 
/*--------header-----------*/
 
#top-head {
  top: -100px;
  position: absolute;
  width: 100%;
  margin: 100px auto 0;
  padding: 30px 0 0;
  line-height: 1;
  z-index: 999;
}
 
#top-head a,
#top-head {
    color: #fff;
    text-decoration: none;
}
 
#top-head .inner {
    position: relative;
}
#top-head .logo {
    float: left;
    position: relative;
    font-size: 36px;
    height: 50px;
}
 
#top-head .logo a {
  position: absolute;
  width: 100%;
  height: 50px;
}
 
#global-nav ul {
    list-style: none;
    position: absolute;
    top: 20px;
    right: 0;
    font-size: 14px;
}
#global-nav ul li {
    float: left;
    padding:0 30px;
    border-left: 1px solid #000;
}
#global-nav ul li a {
    padding: 5px 5px;
    position: relative;
    display: inline-block;
}
 
#global-nav ul li a::after {
   content: '';
   position: absolute;
   bottom: 0;
   left: 0;
   width: 100%;
   height: 2px;
   -webkit-transform: scaleX(0);
   -ms-transform: scaleX(0);
   transform: scaleX(0);
   background-color: #fff;
   -webkit-transition: all .3s ease;
   transition: all .3s ease;
}
 
#global-nav ul li a:hover::after {
  -webkit-transform: scaleX(1);
  -ms-transform: scaleX(1);
  transform: scaleX(1);
}
 
nav span{
    background:#666;
    height:2px;
    display:block;
    position:relative;
    width:50px;
    left:0;
}
 
 
/*--------固定化されたときのCSS-----------*/
 
#top-head.fixed {
    margin-top: 0;
    top: 0;
    position: fixed;
    padding-top: 10px;
    background: #fff;
    background: rgba(255,255,255,.7);
    transition: top 0.65s ease-in;
    -webkit-transition: top 0.65s ease-in;
    -moz-transition: top 0.65s ease-in;
}
 
#top-head.fixed .logo {
  position: relative;
    font-size: 24px;
    color: #333;
}
 
#top-head.fixed .logo a {
  position: absolute;
  width: 100%;
  height: 30px;
 
}
#top-head.fixed #global-nav ul li a {
    color: #333;
    padding: 0 20px;
    padding-bottom: 10px;
}
 
 
 
/*-----------スマホのトグルボタンのCSS-------------*/
 
#nav-toggle {
    display: none;
    position: absolute;
    right: 12px;
    top: 14px;
    width: 34px;
    height: 36px;
    cursor: pointer;
    z-index: 101;
}
#nav-toggle div {
    position: relative;
}
#nav-toggle span {
    display: block;
    position: absolute;
    height: 4px;
    width: 100%;
    background: #000;
    left: 0;
    -webkit-transition: .35s ease-in-out;
    -moz-transition: .35s ease-in-out;
    transition: .35s ease-in-out;
}
#nav-toggle span:nth-child(1) {
    top: 0;
}
#nav-toggle span:nth-child(2) {
    top: 11px;
}
#nav-toggle span:nth-child(3) {
    top: 22px;
}
 
 
/*---------gnav sp--------------*/
/*-----------スマホ-------------*/
@media screen and (max-width: 767px) {
    .head-inner {
      display: none;
    }
 
    .slick-next {
      right: 0;
    }
 
    #top-head,
    .inner {
        width: 100%;
        padding: 0;
    }
    #top-head {
        top: 0;
        position: fixed;
        margin-top: 0;
    }
    /* Fixed reset */
    #top-head.fixed {
        padding-top: 0;
        background: transparent;
    }
    #mobile-head {
        background: #fff;
        width: 100%;
        height: 56px;
        z-index: 999;
        position: relative;
    }
    #top-head.fixed .logo,
    #top-head .logo {
        position: absolute;
        left: 13px;
        height: 50px;
        top: 15px;
        color: #333;
        font-size: 26px;
    }
    #global-nav {
        position: absolute;
        /* 開いてないときは画面外に配置 */
        top: -500px;
        background: #000;
        width: 100%;
        text-align: center;
        padding: 10px 0;
        -webkit-transition: .5s ease-in-out;
        -moz-transition: .5s ease-in-out;
        transition: .5s ease-in-out;
    }
    #global-nav ul {
        list-style: none;
        position: static;
        right: 0;
        bottom: 0;
        font-size: 14px;
    }
    #global-nav ul li {
        float: none;
        position: static;
        padding: 18px 0;
        color: #fff;
    }
    #top-head #global-nav ul li a,
    #top-head.fixed #global-nav ul li a {
        width: 100%;
        display: block;
        color: #fff;
        padding: 18px 0;
    }
    #nav-toggle {
        display: block;
    }
    /* #nav-toggle 切り替えアニメーション */
    .open #nav-toggle span:nth-child(1) {
        top: 11px;
        -webkit-transform: rotate(315deg);
        -moz-transform: rotate(315deg);
        transform: rotate(315deg);
    }
    .open #nav-toggle span:nth-child(2) {
        width: 0;
        left: 50%;
    }
    .open #nav-toggle span:nth-child(3) {
        top: 11px;
        -webkit-transform: rotate(-315deg);
        -moz-transform: rotate(-315deg);
        transform: rotate(-315deg);
    }
    /* #global-nav スライドアニメーション */
    .open #global-nav {
        /* #global-nav top + #mobile-head height */
        -moz-transform: translateY(556px);
        -webkit-transform: translateY(556px);
        transform: translateY(556px);
    }
}
 
/*------------タブレット用------------------*/
 
@media screen and (max-width: 1024px) {
  .head-inner {
    display: none;
  }
 
  .slick-next {
    right: 0;
  }
 
  #top-head,
  .inner {
      width: 100%;
      padding: 0;
  }
  #top-head {
      top: 0;
      position: fixed;
      margin-top: 0;
  }
  /* Fixed reset */
  #top-head.fixed {
      padding-top: 0;
      background: transparent;
  }
  #mobile-head {
      background: #fff;
      width: 100%;
      height: 70px;
      z-index: 999;
      position: relative;
  }
  #top-head.fixed .logo,
  #top-head .logo {
      position: absolute;
      left: 13px;
      height: 50px;
      top: 15px;
      color: #333;
      font-size: 26px;
  }
  #global-nav {
      position: absolute;
      /* 開いてないときは画面外に配置 */
      top: -500px;
      background: #000;
      width: 100%;
      text-align: center;
      padding: 10px 0;
      -webkit-transition: .5s ease-in-out;
      -moz-transition: .5s ease-in-out;
      transition: .5s ease-in-out;
  }
  #global-nav ul {
      list-style: none;
      position: static;
      right: 0;
      bottom: 0;
      font-size: 14px;
  }
  #global-nav ul li {
      float: none;
      position: static;
      padding: 18px 0;
      color: #fff;
  }
  #top-head #global-nav ul li a,
  #top-head.fixed #global-nav ul li a {
      width: 100%;
      display: block;
      color: #fff;
      padding: 18px 0;
  }
  #nav-toggle {
      display: block;
      right: 25px;
      top: 20px;
  }
  /* #nav-toggle 切り替えアニメーション */
  .open #nav-toggle span:nth-child(1) {
      top: 11px;
      -webkit-transform: rotate(315deg);
      -moz-transform: rotate(315deg);
      transform: rotate(315deg);
  }
  .open #nav-toggle span:nth-child(2) {
      width: 0;
      left: 50%;
  }
  .open #nav-toggle span:nth-child(3) {
      top: 11px;
      -webkit-transform: rotate(-315deg);
      -moz-transform: rotate(-315deg);
      transform: rotate(-315deg);
  }
  /* #global-nav スライドアニメーション */
  .open #global-nav {
      /* #global-nav top + #mobile-head height */
      -moz-transform: translateY(556px);
      -webkit-transform: translateY(556px);
      transform: translateY(556px);
  }
}

参考サイト：http://llc-beready.com/2016/07/30/post-358/