@charset "UTF-8";

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

    body

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

body {
    font-weight: 400;
    font-size: 16px;
    line-height: 1.85em;
    background: #111;
}

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

    loading

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

#loading img {
    width: 80%;
}

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

    #logo

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

#logo {
    width: 60px;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 5;
}

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

    header

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

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 20;
    padding: 10px;
    padding-top: calc(10px + env(safe-area-inset-top));
    padding-left: calc(10px + env(safe-area-inset-left));
    padding-right: calc(10px + env(safe-area-inset-right));
}
header nav .nav_container {
    max-width: 100%;
    margin: 0 auto;
}
header nav .menu-left {
    list-style: none;
    padding-left: 0;
    margin: 0;
    clear: both;
    display: block;
    max-height: 0;
    overflow: hidden;
    -webkit-transition: all 0.5s ease-out;
    -moz-transition: all 0.5s ease-out;
    -ms-transition: all 0.5s ease-out;
    -o-transition: all 0.5s ease-out;
    transition: all 0.5s ease-out;
    z-index: 100;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
}
header nav .menu-left li {
    float: none;
    border-bottom: 1px solid rgba(0, 0, 0, .1);
}
header nav .menu-left a {
    position: relative;
    text-decoration: none;
    display: block;
    background: rgba(0, 0, 0, .8);
    padding: 20px 20px;
    font-size: 120%;
    color: #fff;
}
header nav .menu-left.collapse {
    max-height: 50em !important;
}
header nav .nav-toggle {
    display: block;
    border-radius: 5px;
    background-color: transparent;
    float: right;
    height: 38px;
    width: 38px;
    cursor: pointer;
    padding: 8px 8px;
    position: relative;
    z-index: 101;
}
header nav .nav-toggle.open span:first-child {
    transform: rotate(45deg) translate(4.4px, 4.4px);
}
header nav .nav-toggle.open span:nth-child(2) {
    width: 0%;
    opacity: 0;
}
header nav .nav-toggle.open span:last-child {
    transform: rotate(-45deg) translate(4.4px, -4.4px);
}
header nav .nav-toggle span {
    position: relative;
    display: block;
    height: 2px;
    width: 100%;
    margin-top: 4px;
    background-color: var(--main-color);
    transition: all .25s;
}

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

    #app_top

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

#app_top {
    max-width: 1800px;
    width: 100%;
    margin: 0 auto;
}

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

    .btn

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

.btn {
    width: 100%;
    text-align: center;
}
.btn a {
    background: var(--main-color);
    border: 1px solid var(--main-color);
    color: #000;
    line-height: 1em;
    display: block;
    padding: 1.2em 0;
    border-radius: 4px;
    text-decoration: none;
}
/*====================================

    footer

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

footer {
}
footer small {
    background: #000;
    color: #fff;
    width: 100%;
    text-align: center;
    font-size: 60%;
    display: block;
    padding: 10px 0;
}