.side-menu {
    background: #eeeeee;
    width: 135px;

    flex-shrink: 0;

    padding: 10px;
}

.side-menu ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.menu-item {
    background-color: #ff9900;
    box-sizing: border-box;
    margin-bottom: 20px;
    font-weight: bold;
}

.side-menu a {
    text-decoration: none;
}

.side-menu li {
    padding: 0.1rem 0;
}

.side-menu li>a {
    display: flex;
    gap: 8px;
}

.side-menu li>a::before {
    content: "";

    display: block;

    width: 12px;
    height: 12px;

    flex-shrink: 0;

    background-image: url("../img/m11.png");
    background-repeat: no-repeat;
    background-size: contain;

    margin-top: 6px;
    margin-left: 6px;
}

.side-menu .selected a::before {
    background-image: url("../img/m12.png");
}

span.menu-title {
    display: block;

    width: auto;
    height: 60px;

    box-sizing: border-box;

    margin: 0;
    padding: 0;

    background-repeat: no-repeat;
    background-position: left center;
    /* background-size: 150px 60px; */

    color: transparent;

    overflow: hidden;
}

#cast-menu>span {
    background-image: url("../img/mt01.png");
}

#reel-menu>span {
    background-image: url("../img/mt02.png");
}

#gate-menu>span {
    background-image: url("../img/mt04.png");
}

#corporate-info-menu>span {
    background-image: url("../img/mt03.png");
}


.submenu-item:first-child {
    border-top: 3px solid #ff9900;
}

.submenu-item {
    background-color: #FFDCB2;

    display: block;

    width: auto;
    border: 3px solid #ff9900;
    border-top: none;
    box-sizing: border-box;
}