@media (min-width: 768px) {
    .msm-container {
        display: none;
    }
}
@media (max-width: 768px) {
    .msm-container {
        display: block;
    }
    body.msm-open .msm-menu {
        transform: translateX(0);
    }

    .msm-container {
        position: relative;
    }

    .msm-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 30px;
        cursor: pointer;
        border: 2px solid #ffffff;
        padding: 6px 5px;
        border-radius: 8px;
    }

    .msm-toggle span {
        display: block;
        height: 2px;
        background: #ffffff;
        border-radius: 2px;
    }

    .msm-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 80%;
        max-width: 280px;
        height: 100%;
        background: #fff;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.2);
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        z-index: 10000000;
        padding: 2rem 1rem;
        overflow-y: auto;
    }

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

    .msm-nav li {
        border-bottom: 1px solid #eee;
        position: relative;
    }

    .msm-nav a {
        display: block;
        padding: 0.8rem 1rem;
        text-decoration: none;
        color: #333;
        font-size: 1rem;
    }

    .msm-submenu {
        display: none;
        padding-left: 1rem;
        background: #f9f9f9;
    }

    /* Ł†Ł…Ų§ŪŒŲ´ Ų²ŪŒŲ±Ł…Ł†ŁˆŪŒ ŲØŲ§Ų² Ų´ŲÆŁ‡ (Ų³Ų·ŁˆŲ­ 2 Łˆ 3) */
    .msm-nav li.open > ul.msm-submenu {
        display: block;
    }

    .msm-sub-toggle {
        background: none;
        border: none;
        font-size: 1.2rem;
        color: #555;
        margin-left: auto;
        cursor: pointer;
    }

    .msm-item-wrap {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-right: 1rem;
    }
}