@charset "UTF-8";

/*===============================

グローバルナビ

================================*/

/*============
nav
=============*/
nav {
    display: block;
    position: fixed;
    top: 0;
    left: -560px;
    bottom: 0;
    width: 560px;
    background: #ffffff;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transition: all .5s;
    z-index: 3;
    opacity: 0;
}

.open nav {
    left: 0;
    opacity: 1;
}

nav .inner {
    padding: 50px 25px 25px;
}

nav .inner ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

nav .inner ul li {
    position: relative;
    margin: 0;
}

nav .inner ul li a {
    display: block;
    color: #333;
    font-size: 2rem;
    padding: 10px;
    text-decoration: none;
    transition-duration: 0.2s;
}

nav .inner ul li a:hover {
    background: #e4e4e4;
}


@media screen and (max-width: 560px) {
    .menu {
        left: -250px;
        width: 250px;
    }

    nav .inner {
        padding: 20px;
    }

    nav .inner ul li a {
        font-size: 1.4rem;
    }
}

/*============
  .toggle_btn
  =============*/
.toggle_btn {
    display: block;
    position: fixed;
    top: 40px;
    right: 60px;
    width: 60px;
    height: 60px;
    transition: all .5s;
    cursor: pointer;
    z-index: 3;
}

.toggle_btn span {
    display: block;
    position: absolute;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: inherit;
    border-radius: 10px;
    transition: all .5s;
    backdrop-filter: invert(100%) grayscale(100%) contrast(100%);
    -webkit-backdrop-filter: invert(100%) grayscale(100%) contrast(100%);
}

.toggle_btn span:nth-child(1) {
    top: 8px;
}

.toggle_btn span:nth-child(2) {
    top: 28px;
}

.toggle_btn span:nth-child(3) {
    bottom: 8px;
}

.open .toggle_btn span {
    background-color: rgb(255, 255, 255);
    backdrop-filter: inherit;
    -webkit-backdrop-filter: inherit;
}

.open .toggle_btn span:nth-child(1) {
    -webkit-transform: translateY(20px) rotate(-315deg);
    transform: translateY(20px) rotate(-315deg);
}

.open .toggle_btn span:nth-child(2) {
    opacity: 0;
}

.open .toggle_btn span:nth-child(3) {
    -webkit-transform: translateY(-20px) rotate(315deg);
    transform: translateY(-20px) rotate(315deg);
}

@media screen and (max-width: 560px) {
    .toggle_btn {
        top: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }

    .toggle_btn span {
        width: 45px;
        height: 3px;
    }

    .toggle_btn span:nth-child(1) {
        top: 6px;
    }

    .toggle_btn span:nth-child(2) {
        top: 21px;
    }

    .toggle_btn span:nth-child(3) {
        bottom: 6px;
    }

    .open .toggle_btn span {
        background-color: #333;
    }
    .open .toggle_btn span:nth-child(1) {
        -webkit-transform: translateY(15px) rotate(-315deg);
        transform: translateY(15px) rotate(-315deg);
    }

    .open .toggle_btn span:nth-child(3) {
        -webkit-transform: translateY(-15px) rotate(315deg);
        transform: translateY(-15px) rotate(315deg);
    }
}


/*============
  #mask
  =============*/
#mask {
    display: none;
    transition: all .5s;
}

.open #mask {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    opacity: .8;
    z-index: 2;
    cursor: pointer;
}