/* Icon 4 */

#nav-icon4 {
  height: 35px;
  width: 35px;
  position: relative;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: 0.5s ease-in-out;
  -moz-transition: 0.5s ease-in-out;
  -o-transition: 0.5s ease-in-out;
  transition: 0.5s ease-in-out;
  cursor: pointer;
  box-sizing: border-box;
  top: 0;
  right: 0;
  z-index: 9999;
  font-family: 'NotoSansCJKjp-Regular';
  font-size: 12px;
  margin-left: 10px;
}
#nav-icon4 span {
  display: block;
  position: absolute;
  height: 3px;
  width: 35px;
  content: '';
  opacity: 1;
  left: 0;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: 0.25s ease-in-out;
  -moz-transition: 0.25s ease-in-out;
  -o-transition: 0.25s ease-in-out;
  transition: 0.25s ease-in-out;
  z-index: 9999;
  background: #1c1f87;
  color: #1c1f87;
}

#nav-icon4 span:nth-child(1) {
  top: 0;
  -webkit-transform-origin: left center;
  -moz-transform-origin: left center;
  -o-transform-origin: left center;
  transform-origin: left center;
}
#nav-icon4 span:nth-child(2) {
  top: 8px;
  -webkit-transform-origin: left center;
  -moz-transform-origin: left center;
  -o-transform-origin: left center;
  transform-origin: left center;
}
#nav-icon4 span:nth-child(3) {
  top: 16px;
  -webkit-transform-origin: left center;
  -moz-transform-origin: left center;
  -o-transform-origin: left center;
  transform-origin: left center;
}
#nav-icon4 span:nth-child(4),
#nav-icon4 span:nth-child(5) {
  background: none;
  top: 20px;
}
#nav-icon4 span:nth-child(5) {
  display: none;
}
#nav-icon4.open span:nth-child(1) {
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  transform: rotate(45deg);
  left: 10px;
  top: -1px;
  width: 27px;
}
#nav-icon4.open span:nth-child(2) {
  width: 0%;
  opacity: 0;
}
#nav-icon4.open span:nth-child(3) {
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  transform: rotate(-45deg);
  left: 10px;
  top: 18px;
  width: 27px;
}
#nav-icon4.open span:nth-child(4) {
  display: none;
}
#nav-icon4.open span:nth-child(5) {
  display: block;
}