.menu-btn {
    position: fixed;
    top: 0;
    right: 0;
    display: flex;
    height: 50px;
    width: 50px;
    justify-content: center;
    align-items: center;
    z-index: 9998;
    background-color: #00AB84;
}
.menu-btn span,
.menu-btn span:before,
.menu-btn span:after {
    content: '';
    display: block;
    height: 3px;
    width: 20px;
    background-color: #fff;
    position: absolute;
}
.menu-btn span:before {
    bottom: 7px;
}
.menu-btn span:after {
    top: 7px;
}

#menu-btn-check {
    display: none;
}

#menu-btn-check:checked ~ .menu-btn span {
    background-color: rgba(255, 255, 255, 0);/*メニューオープン時は真ん中の線を透明にする*/
}
#menu-btn-check:checked ~ .menu-btn span::before {
    bottom: 0;
    transform: rotate(45deg);
}
#menu-btn-check:checked ~ .menu-btn span::after {
    top: 0;
    transform: rotate(-45deg);
}

.menu-content {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 100%;/*leftの値を変更してメニューを画面外へ*/
  z-index: 80;
  background-color: #00AB84;
  transition: all 0.5s;/*アニメーション設定*/
}
.menu-content ul {
  width: 90vw;
  height: 90vh;
  margin: 10vh auto;
}
.menu-content li {
  border-bottom: 1px solid #fff;
}
.menu-content li a {
  color: #fff;
  font-size: 13px;
  padding: 15px;
  display: block;
  position: relative;
}
.menu-content li a::after {
  content: ">";
  position: absolute;
  right: 30px;
  color: #fff;
  width: 20px;
  height: 20px;
}
.menu-content li ul  {
  display: flex;
}
.menu-content li ul li {
  width: 30%;
}
.menu-content li ul li a::after{
  display: none;
}


#menu-btn-check:checked ~ .menu-content {
    left: 0;/*メニューを画面内へ*/
}