@media screen and (max-width: 980px) {

    .pc_only {
        display: none;
    }

    .mo_only {
        display: block;
    }

    /* 헤더 */
    .header {
        padding: 20px 30px;
    }

    .header .logo {
        margin: 0 auto;
        text-align: center;
    }

    .header .logo a {
        display: inline-block;
        height: 100%;
    }

    .header .logo img {
        width: 120px;
    }

    .header ul,
    .header_instagram {
        display: none;
    }

    .hamburger {
        position: absolute;
        left: 16px;
        z-index: 1;
    }

    .mo_menu {
        display: block;
        position: fixed;
        z-index: 2;
        left: -1000px;
        width: 100%;
        height: 100vh;
        padding: 16px;
        background-color: var(--black);
        transition: left 0.3s ease;
        opacity: 0.8;
        text-align: center;
        align-content: center;
    }

    .mo_menu ul li a {
        color: var(--white);
    }

    .mo_menu.open {
        left: 0;
    }

    .mo_menu .btn_close {
        position: absolute;
        top: 24px;
        right: 16px;
        border: 0;
        background: none;
        outline: none;
    }

    .mo_menu ul {
        display: flex;
        flex-direction: column;
        gap: 25px;
    }

    /* 컨테이너 */
    .container {
        padding: 150px 20px 80px 20px;
        /* 기본패딩 150 * 헤더영역 100  */
    }

    .container.contact,
    .container.policy {
        padding-left: 20px;
        padding-right: 20px;
    }

    /* 메인 페이지 */
    .main_background>img {
        padding: 0 40px;
    }

    /* about 페이지 */
    .about_profile {
        flex-direction: column;
        padding: 0;
    }

    .about_profile li {
        text-align: center;
    }

    .about_profile li:first-child {
        padding-bottom: 18px;
    }


    /* 푸터 */
    footer {
        flex-direction: column;
        padding: 0 20px;
        padding-top: 18px;
        padding-bottom: 20px;
    }

    .footer_info>p:first-child::after {
        padding: 0 8px;
    }

    footer .policy {
        order: 1;
    }

    .footer_info {
        order: 2;
    }

    footer .copyright {
        order: 3;
    }


}