input.nav__check {display: none;}
label {cursor: pointer;}

.nav {user-select: none;}

.nav__showmenu {
    position: relative;
    z-index: 3;
    display: inline-block;
    margin-left: -10px;
    /*padding: 5px 10px 10px;*/
    /*top: 2px;*/
	vertical-align: -10px;
	font-size: xx-large;
}

.nav__back {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    transition: background-color .3s;
    display: none;
    z-index: 100;
}

.menu, .menu__submenu{
    list-style: none;
    padding: 0;
    color: #fff;
    overflow: hidden;
}

.menu {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    display: block;
    /*width: 220px;*/
    margin: 0;
    padding: 17px;
    text-transform: uppercase;
    line-height: 2em;
    /*background-color: #2c2c2c;*/
    background-color: #fff;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateX(-100%);
    transition: transform .3s;
    will-change: transform;
    backface-visibility: hidden;
    z-index: 1000;
}

.menu__submenu {
    font-size: .8em;
    background-color: #ddd;
    max-height: 0;
    transition: max-height .3s ease-in-out;
}

.menu__showsub {
    position: absolute;
    right: 0;
    margin-top: -34px;
    padding: 10px;
    line-height: normal;
}

.menu__item {
    display: block;
    text-align: left;
    text-decoration: none;
    /*color: #fff;*/
    color: #000;
    font-size: 13px;
}

.menu__submenu .menu__item {color: #000;}

.nav__check:checked~.nav__back {
    background-color: rgba(0,0,0,.4);
    display: block;
    bottom: 0;
}

.menu__item:hover,.nav__showmenu:hover,.menu__showsub:hover {opacity: 0.7;}
.menu::-webkit-scrollbar {display: none;}
.nav__check:checked+.nav__showmenu {color:#fff;}
.menu__check:checked~.menu__submenu {max-height: 100vh;}
.menu__check:checked+.menu__showsub {transform: rotate(180deg);}
.nav__check:checked~.menu {transform: translateX(0);}

.menu li {
    list-style-type: none;
    padding: 10px;
}

.close {
    position: absolute;
    right: 24px;
    top: 24px;
    width: 32px;
    height: 32px;
    opacity: 0.3;
}
.close:hover {
    opacity: 1;
}
.close:before, .close:after {
    position: absolute;
    left: 15px;
    content: ' ';
    height: 33px;
    width: 2px;
    background-color: #333;
}
.close:before {
    transform: rotate(45deg);
}
.close:after {
    transform: rotate(-45deg);
}