.menu-btn {
    position: fixed;
    top: 0vw;
    right: 0vw;
    display: flex;
    height: 13vw;
    width: 13vw;
    justify-content: center;
    align-items: center;
    z-index: 90;
    background-color: rgb(255 255 255 / 68%);
}
.menu-btn span,
.menu-btn span:before,
.menu-btn span:after {
    content: '';
    display: block;
    height: 1vw;
    width: 6.5vw;
    border-radius: 3px;
    background-color: #000000;
    position: absolute;
    margin: 0.9vw 0vw;
}
.menu-btn span:before {
    bottom: 1vw;
}
.menu-btn span:after {
    top: 1vw;
}
#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: -1.3vw;
    transform: rotate(45deg);
}
#menu-btn-check:checked ~ .menu-btn span::after {
    top: -0.6vw;
    transform: rotate(-45deg);
}
#menu-btn-check {
    display: none;
}
.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: rgb(0 0 0 / 68%);
    transition: all 0.5s;/*アニメーション設定*/
    z-index: 1000;
}
.menu-content ul {
    padding: 16vw 3vw 0;
    display: grid;
}
.menu-content ul li {
    border-bottom: solid 1px #ffffff;
    list-style: none;
}
.menu-content ul li a {
    display: block;
    width: 100%;
    font-size: 3.5vw;
    box-sizing: border-box;
    color:#ffffff;
    text-decoration: none;
    padding: 4vw 9vw 4vw 0;
    position: relative;
}
.menu-content ul li a::before {
    content: "";
    width: 3vw;
    height: 3vw;
    border-top: solid 2px #ffffff;
    border-right: solid 2px #ffffff;
    transform: rotate(45deg);
    position: absolute;
    right: 8vw;
}
#menu-btn-check:checked ~ .menu-content {
    left: 0;/*メニューを画面内へ*/
}
label.menu-btn {
    z-index: 10000;
}