@media screen and (max-width: 768px) {

    /* Hamburger Menu display on mobile */
    .menu-toggle {
        display: block;
        margin-left: auto;
    }

    /* PC用ナビゲーションを非表示 */
    .main-navigation {
        display: none;
    }

    /* モバイルドロワー */
    .mobile-menu-drawer {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: #fff;
        z-index: 1002;
        transition: right 0.3s ease;
        overflow-y: auto;
        padding: 60px 0 0;
    }

    .menu-open .mobile-menu-drawer {
        right: 0;
    }

    .mobile-menu-drawer-inner {
        flex: 1 0 auto;
        padding: 0 20px;
    }

    .mobile-menu-heading {
        margin-bottom: 1.5rem;
        font-size: 1.15rem;
        color: #333;
    }

    .mobile-menu-drawer .widget {
        margin-bottom: 1.5rem;
    }

    .mobile-menu-drawer .widget-title {
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 0.8rem;
        padding-bottom: 0.5rem;
        border-bottom: 1px solid #eee;
    }

    .mobile-menu-drawer .widget_nav_menu ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .mobile-menu-drawer .widget_nav_menu ul li {
        border-bottom: 1px solid #f0f0f0;
    }

    .mobile-menu-drawer .widget_nav_menu ul li a {
        display: block;
        padding: 12px 0;
        text-decoration: none;
        color: #333;
        font-size: 0.95rem;
    }

    /* 小メニューなしの項目には矢印なし */
    .mobile-menu-drawer .widget_nav_menu ul li a::after {
        display: none;
    }

    /* 小メニューありの親アイテム */
    .mobile-menu-drawer .widget_nav_menu li.menu-item-has-children {
        position: relative;
    }

    .mobile-menu-drawer .widget_nav_menu li.menu-item-has-children>a {
        padding-right: 40px;
    }

    /* アコーディオントグルボタン */
    .mobile-menu-drawer .mobile-submenu-toggle {
        position: absolute;
        top: 0;
        right: 0;
        width: 40px;
        height: 46px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: none;
        border: none;
        cursor: pointer;
        padding: 0;
    }

    .mobile-menu-drawer .mobile-submenu-toggle::after {
        content: '';
        display: block;
        width: 8px;
        height: 8px;
        border-right: 2px solid #999;
        border-bottom: 2px solid #999;
        transform: rotate(45deg);
        transition: transform 0.3s ease;
    }

    .mobile-menu-drawer .mobile-submenu-toggle.is-open::after {
        transform: rotate(-135deg);
    }

    /* サブメニュー：デフォルト非表示 */
    .mobile-menu-drawer .widget_nav_menu ul ul.sub-menu {
        display: none;
        padding-left: 1rem;
        border-left: 2px solid #eee;
    }

    .mobile-menu-drawer .widget_nav_menu ul ul.sub-menu.is-open {
        display: block;
    }

    .mobile-menu-drawer .widget_nav_menu ul ul.sub-menu li:last-child {
        border-bottom: none;
    }

    /* モバイルドロワー下部メニュー */
    .mobile-drawer-bottom-menu {
        flex-shrink: 0;
        padding: 10px 20px;
        margin-top: 12px;
    }

    .mobile-drawer-bottom-menu ul {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px 15px;
    }

    .mobile-drawer-bottom-menu li {
        display: inline-flex;
        align-items: center;
        border-bottom: none !important;
    }

    .mobile-drawer-bottom-menu li a {
        text-decoration: none;
        color: #333 !important;
        font-size: 0.85rem !important;
        font-weight: 500;
        padding: 0 !important;
    }

    .mobile-drawer-bottom-menu li a::after {
        display: none !important;
    }

    /* コピーライト */
    .mobile-menu-copyright {
        flex-shrink: 0;
        padding: 30px 20px 60px;
        margin-top: 12px;
        border-top: 1px solid #eee;
        font-size: 0.72rem;
        color: #999;
        text-align: center;
        line-height: 1.6;
    }

    .main-navigation li {
        width: 100%;
        margin: 0;
        padding: 0;
        border-bottom: 1px solid #eee;
    }

    .main-navigation a {
        padding: 15px 20px;
        width: 100%;
    }

    .main-navigation li.menu-item-has-children {
        padding-bottom: 0;
        margin-bottom: 0;
        flex-wrap: wrap;
    }

    /* reset mega menu styles for mobile */
    .main-navigation ul.sub-menu {
        position: static;
        width: 100%;
        display: none !important;
        box-shadow: none;
        border-top: none;
        background: #f9f9f9;
        padding: 0;
        gap: 0;
    }

    /* Toggle submenu display on click/hover for SP (simplify for now, or just show list) */
    .main-navigation li.menu-item-has-children:hover>ul.sub-menu,
    .main-navigation li.menu-item-has-children:focus-within>ul.sub-menu {
        display: flex !important;
    }

    .main-navigation ul.sub-menu a {
        padding-left: 40px;
    }

    .site-title img {
        width: 40% !important;
        height: auto !important;
        max-height: none !important;
    }

    .fixed-banner-pc {
        display: none !important;
    }

    .fixed-banner-sp {
        display: block !important;
    }
}