.desktop {
    display: none;
}

.mobile {
    display: block;
}

body {
    background: url('../images/mb/img-1.png');
    /* background-position: center; */
    background-repeat: no-repeat;
    height: auto;
    min-height: 100vh;
    margin: unset !important;
    background-size: 100% 100%;
}

.wrap-body {
    max-width: 750px;
    margin: 0 auto;
    position: relative;
}

.header-area {
    position: fixed;
    max-width: 750px;
    top: -4px;
    z-index: 1;

}

.header-area img,
.footer-area img {
    width: 100%;
}

.menu-area {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 1rem;
}

.menu-area a {
    width: 25%;
    padding: 1rem;
}

.menu-area a img {
    width: 100%;
}

.device-area {
    display: flex;
    justify-content: center;
    align-items: center;
}

.device-area div {
    width: 40%;
    padding: 1rem;
}

.device-area a img {
    width: 100%;
}

.main-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}
.logo-area {
    position: absolute;
    left: 0;
    top: 6rem;
    text-align: center;
}
.logo-area img {
    padding: 1rem;
    width: 70%;
}

.hero-image,
.menu-area,
.title-area,
.device-area,
.recommend {
    max-width: 750px;
    width: 100%;
}

.hero-image img,
.ios-btn img,
.device-area img,
.andriod-btn img {
    width: 100%;
}

.recommend img {
    width: 90%;
}

.title-area {
    text-align: center;
}
.title-area img {
    width: 100%;
}
.hero-image {
    padding-top: 45%;
}

.recommend {
    margin-top: -3rem;
    text-align: center;
}

.footer-area {
    position: fixed;
    max-width: 750px;
    bottom: -8px;
}
.setup-tips-container {
    text-align: center;
}
.setup-tips-container img {
    width: 80%;
}

.mobile-fixed {
    position: fixed;
    bottom: 1rem;
    width: 100%;
    z-index: 1;
}

@media screen and (max-width: 480px) {
    .logo-area {
        top: 3.5rem;
        text-align: left;
    }
    .logo-area img {
        width: 50%;
    }
    .device-area div {
        padding: .3rem;
        width: 45%;
    }
    .menu-area a {
        padding: .5rem;
        width: 27%;
    }
    .device-area {
        padding-top: 1rem;
    }
    
}

@media screen and (max-width:320px) {
    .logo-area {
        top: 3.5rem;
        text-align: left;
    }
    .logo-area img {
        width: 30%;
    }
    .setup-tips-container {
        font-size: .7rem;
    }
}