body {
    background: #E5E5E5;
}

.mobile_home_154_0 {
    height: 100%;
    overflow: scroll;
    scroll-behavior: smooth;
    top: 0px;
    left: 0px;
}

.nav_nav_header_154_1 {
    position: absolute;
    top: 0px;
}

.click_hoverio2 {
    position: absolute;
    top: 0px;
    height: 54px;
    width: 100px;
}

.click_about2 {
    position: absolute;
    top: 526px;
    height: 54px;
    width: 100px;
}

.click_service2 {
    position: absolute;
    top: 1087px;
    height: 54px;
    width: 100px;
}

.click_case2 {
    position: absolute;
    top: 2469px;
    height: 54px;
    width: 100px;
}

.nav_nav_header_154_1 {
    position: fixed;
    z-index: 99;
}

.menu {
    position: absolute;
    z-index: 9999;
    top: 0px;
    left: 0px;
}