@charset 'UTF-8';

body {
    margin: 0;
}


/* ハンバーガー
------------------------------------------------- */
.overlay {
    content: "";
    display: block;
    width: 0;
    height: 0;
    background-color: rgba(255, 255, 255, 0.5);
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    opacity: 0;
    transition: opacity .5s;
}

.overlay.open {
    position: fixed;
    width: 100%;
    height: 100%;
    opacity: 1;
}

.menu-trigger {
    display: inline-block;
    width: 36px;
    height: 28px;
    vertical-align: middle;
    cursor: pointer;
    position: fixed;
    top: 30px;
    left: 30px;
    z-index: 100;
    transform: translateX(0);
    transition: transform .5s;
}

.menu-trigger.active {
    transform: translateX(200px);
}


.menu-trigger span {
    display: inline-block;
    box-sizing: border-box;
    position: absolute;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: #000;
}

.menu-trigger.active span {
    background-color: #000;
}

.menu-trigger span:nth-of-type(1) {
    top: 0;
}

.menu-trigger.active span:nth-of-type(1) {
    transform: translateY(12px) rotate(-45deg);
}

.menu-trigger span:nth-of-type(2) {
    top: 12px;
}

.menu-trigger.active span:nth-of-type(2) {
    opacity: 0;
}

.menu-trigger span:nth-of-type(3) {
    bottom: 0;
}

.menu-trigger.active span:nth-of-type(3) {
    transform: translateY(-12px) rotate(45deg);
}

nav {
    width: 200px;
    height: 100%;
    padding-top: 80px;
    background-color: rgb(215, 215, 215, 0.8);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
    transform: translate(-200px);
    transition: all .5s;
}

nav.open {
    transform: translateZ(0);
}

nav li {
    color: #fff;
    text-align: left;
    padding: 0px 0;
    list-style: none;
}

nav ul {
    padding: 0px 0;
}