#OSCSS-canvas{
    position: fixed;
    width: 100%;
    height: 0;
    background-color: #ffffff;
    z-index: 9;
    transition: all 0.3s ease-out;
    opacity: 0.5;
}
/* ========================================
    ヘッダー
========================================= */
#header{
  position:fixed;
  display:block;
  width: 100%;
  max-height: 60px;
  z-index:9;
  background-color: white;
  top:0px;
  padding: 10px;
  border-bottom: thin solid rgb(231, 231, 231);
  box-shadow : 0px  1px 5px #ebebeb ;
}
#header-block{
  position: relative;
  max-width: 1260px;
  margin-left: auto;
  margin-right: auto;
  height: 40px;
}
#logo{
  height: 40px;
  width: auto;
  margin-left: 10px;
}
.header-nav{
  position: absolute;
  top: 0;
  bottom: 0; 
  right: 0;
  line-height: 40px;
}

.header-nav a{
  position: relative;
  text-decoration: none;
  color:#151719;
}
.OSCSS-brand{
  display: inline-block;
  height: 40px;
}
#OSCSS-searcher{
  position: absolute;
  top: 60px;
  left: 0;
  width: 100%;
  height: 40px;
  z-index: -1;
}
#GlobalSearcher{
  opacity: 0;
  transition: all 1s ease-out;
}
#OSCSS-searcher .c-text-input{
  width: 100%;
  height: 35px;
  border: none;
  outline: none;
  pointer-events: none;
}
.OSCSS-nav{
  display: inline-block;
  _display: inline;
}
#OSCSS-nav-search img{
  position: relative;
  top: -2px;
  width: 20px;
  height: 20px;
  cursor: pointer;
}
.OSCSS-nav-item{
  margin: auto 10px;
}
.header-nav-bottom{
  display: none;
}
/*　ハンバーガーボタン　*/
.hamburger {
  display : none;
  position: fixed;
  z-index : 3;
  right : 13px;
  top   : 12px;
  width : 42px;
  height: 42px;
  cursor: pointer;
  text-align: center;
}
.hamburger span {
  display : block;
  position: absolute;
  width   : 30px;
  height  : 2px ;
  left    : 6px;
  background : #555;
  -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;
}

/* ナビ開いてる時のボタン */
.hamburger.active span:nth-child(1) {
  top : 16px;
  left: 6px;
  -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;
  -webkit-transform: rotate(45deg);
  -moz-transform   : rotate(45deg);
  transform        : rotate(45deg);
}



@media screen and (max-width: 460px) {
  #logo{
    height: 40px;
    margin-left: 3px;
  }
  .hamburger{
    display: block;
  }
  #OSCSS-nav-search{
    display: none;
  }
  .OSCSS-nav-item{
    margin: 0;
  }
  .header-nav{
    display: flex;
    position: fixed;
    z-index : 2;
    top  : 0;
    left : 0;
    color: #000;
    text-align: center;
    transform: translateX(100%);
    transition: all 0.6s;
    width: 100%;
  }
  .header-nav-closer{
    display: block;
    width: 10%;
    background: #ffffff;
    opacity: 0.8;
  }
  .header-nav-content{
    display: block;
    width: 90%;
    background: #ffffff;
  }
  .header-nav-bottom{
    display: flex;
    position: absolute;
    bottom: 10px;
    width: 90%;
    background: #ffffff;
    padding-left: 20px;
  }
  .header-nav-bottom a{
    display: inline-block;
    color: #3b3b3b;
    width: 100%;
    text-align: left;
  }
  .header-nav .OSCSS-nav {
    background: #ffffff;
    margin: 0 auto;
    padding: 0;
    width: 100%;
  }
  .header-nav .OSCSS-nav a{
    list-style-type: none;
    padding: 0;
    width: 100%;
    border-bottom: 1px solid #223488;
  }
  .header-nav .OSCSS-nav a:hover{
    background :#ddd;
  }

  .header-nav .OSCSS-nav a {
    display: block;
    color: #000;
    padding: 1em 0;
    text-decoration :none;
  }
  .header-nav-bottom{
    display: block;
  }
  /* このクラスを、jQueryで付与・削除する */
  nav.header-nav.active {
    transform: translateX(0%);
  }
}