* {
  padding: 0;
  margin: 0;
  list-style-type: none;
}
.toggle {
    position: fixed; /* bodyに対しての絶対位置指定 */
    right: 13px;
    top: 13px;
    display: block;
    width: 40px;
    height: 34px;
    cursor: pointer;
    z-index: 3;
}
.toggle span {
    display: block;
    position: absolute; /* .toggleに対して */
    width: 60%;
    border-bottom: solid 3px #fff;
    -webkit-transition: .35s ease-in-out;
    -moz-transition: .35s ease-in-out;
    transition: .35s ease-in-out;
    padding-top: 6px;
    right: 7px;
}
.toggle span:nth-child(1) {
    top: 3px;
}
.toggle span:nth-child(2) {
    top: 9px;
}
.toggle span:nth-child(3) {
    top: 15px;
}
.toggle span:nth-child(4) {
    border: none;
    top: 24px;
    left: 4px;
    font-size: 6px;
}
.toggle.active span:nth-child(1) {
    top: 15px;
    left: 4px;
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    transform: rotate(-45deg);
}
.toggle.active span:nth-child(1) {
    top: 15px;
    left: 4px;
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    transform: rotate(-45deg);
}
.toggle.active span:nth-child(2),
.toggle.active span:nth-child(3) {  /* 2番目と3番目のspanを45度にする */
    top: 15px;
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    transform: rotate(45deg);
}
.global_nav {/* .global_nav */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    transform: translateY(-100%);
    z-index: 2;
    padding-top: 50px;
    text-align: center;
    color: #000;
    background: #ccc;
    transition: all 0.8s;  
}
.global_nav .nav_li {
    width: 100%;
    padding: 5px;
    list-style-type: none;
}
.global_nav .nav_li a {
    display: block;
    color: #000;
}
.global_nav.active {  /* .global_navに.activeが追加 */
    transform: none;
}

}