/* PC 버전 시작 */
    @media screen and (min-width: 768px) {
        header{
        width: 100%;
        height: 90px;
        display: flex;
        justify-content: center;
        z-index: 1000;
        position: fixed;
        top: 0;
        padding-left: 10px;
        background-color: white;
        box-shadow: 0px -5px 20px #888888;
    }

    .header{
        margin: 0 auto;
        width: 100%;
        max-width: 1100px;
        height: 90px;
        z-index: 1000;
        display: flex;
        justify-content: space-between;
    }

    .left_nav{
        position: relative;
        display: flex;
        justify-content: space-between;
        line-height: 90px;
    }

    .mobile_nav{
        display: none;
    }

    .logo_link{
        line-height: 90px;
    }

    .logo{
        height: 70px;
        margin: auto;
    }

    .menu_nav{
        height: 90px;
        position: relative;
        right: 120px;
        line-height: 90px;
    }

    .menu_bar{
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin: 0;
    }

    .menu_bar a{
        padding: 20px;
        font-size: 18px;
        color: black;
        /* font-weight: bold; */
        text-decoration: none;
        transition: color 0.3s ease;
    }

    .right_nav{
        width: 380px;
        height: 90px;
        position: relative;
        left: 150px;
    }

    .top_download{
        width: 320px;
        height: 90px;
        display: flex;
        line-height: 80px;
    }

    .top_download img{
        width: 170px;
        margin: 0 10px;
    }

    .aos_down_link1{
        text-decoration: none;
        font-size: 18px;
        color: white
    }

    .ios_down_link1{
        text-decoration: none;
        font-size: 18px;
        color: white;
    }

    #linkContainer{
        display: none;
    }

    .side_scroll{
        width: 3.5%; height: 17%;
        display: flex;
        flex-direction: column;
        position: fixed;
        right: 2%; bottom: 4%;
        border-radius: 15px;
        background-color: black;
        z-index: 999;
        box-shadow: 0 0 10px black;

    }

    #go_top, #go_bottom {
        width: 50%;
        height: 25%;
        margin: auto;
        display: flex;
        cursor: pointer;
        color: white;
        justify-content: center;
        align-items: center;
        /* font-size: 1.2vw; */
    }
}
/* PC 버전 끝 */



/* 모바일 버전 시작 */
@media screen and (max-width: 767px) {
    header{
        width: 100%;
        height: 90px;
        display: flex;
        justify-content: center;
        z-index: 1000;
        position: fixed;
        top: 0;
        background-color: white;
        box-shadow: 0px -5px 20px #888888;
    }
    
    .header{
        margin: 0 auto;
        width: 100%;
        max-width: 767px;
        height: 90px;
        z-index: 1000;
        display: flex;
        justify-content: space-around;
    }
    
    .left_nav{
        position: relative;
        display: flex;
        justify-content: space-between;
    }
    
    .logo_link{
        line-height: 90px;
        margin-left: 10px;
    }
    
    .logo{
        height: 70px;
    }
    
    
    .right_nav{
        width: 150px;
        height: 90px;
        position: relative;
    }
    
    .top_download{
        width: 120px;
        height: 90px;
        display: flex;
        line-height: 80px;
        justify-content: right;
    }
    
    
    .aos_down_link1{
        display: none;
    }
    
    .ios_down_link1{
        display: none;
    }

    #linkContainer{
        font-size: 16px;
        font-weight: bold;
        text-align: center;
        background-color: black;
        width: 100px;
        height: 30px;
        align-self: center;
        border-radius: 7px;
        position: relative;
    }
    
    #linkContainer a{
        position: relative;
        top: -25px;
        color: white;
        text-decoration: none;
        font-weight: normal;
    }
    
    .side_scroll{
        width: 13%; height: 17%;
        display: flex;
        flex-direction: column;
        position: fixed;
        right: 2%; bottom: 7%;
        border-radius: 15px;
        background-color: black;
        z-index: 999;
        box-shadow: 0 0 10px black;
    
    }
    
    #go_top, #go_bottom {
        width: 100%;
        height: 50%;
        display: flex;
        cursor: pointer;
        color: white;
        justify-content: center;
        align-items: center;
        font-size: 16px;
    }

    .hamburger-menu {
        width: 30px;
        height: 20px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        align-self: center;
        cursor: pointer;
        z-index: 999;
        position: relative;
        left: 20px;
      }
      
      .bar {
        width: 100%;
        height: 4px;
        background-color: black;
        transition: transform 0.3s, opacity 0.3s;
      }

      .bar.bar_active {
        background-color: #F6D252;
    }
      
      .change .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
      }
      
      .change .bar:nth-child(2) {
        opacity: 0;
      }
      
      .change .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
      }
      
      /* 메뉴 아이템 스타일 */

      .screen{
        display: none;
        position: fixed;
        width: 100vw;
        height: 100vh;
        background-color: black;
        opacity: 0;
        z-index: 500;
      }

      .menu-items {
        position: fixed; /* 절대 위치 설정 */
        right: -600px;
        background-color: rgb(0, 122, 204);
        padding: 22px;
        flex-direction: column;
        width: 80vw;
        height: 100vh;
        z-index: 900;
        transition: 0.3s;
      }

      .menu-items.active {
        right: 0;
    }
    
    .screen.screen_opacity{
        display: block;
        opacity: 0.5;
      }

      .menu_bar {
        display: block;
        position: relative;
        top: 60px;
        right: 0;
        padding-top: 10px;
        border-top: 1px solid white;
      }

      .menu_bar li {
        text-align: right;
      }
    
        .menu_bar li a {
        text-decoration: none;
        color: #F6D252;
        font-size: 20px;
        font-weight: bold;
      }
}