nav {
    height: 44px;
    position: relative;
    z-index: 1000;
}
.navbar {
    top: 0;
    right: 0;
    left: 0;
    position: fixed;
    background-color: #000000;
}
.navbar-menu {
    width: 100%;
    height: 44px;
    max-width: 768px;
    padding: 0 15px;
    margin: 0 auto;
}
.navbar-col {
    font-size: 15px;
    font-weight: 500;
}
.icon {
    color: #ffffff;
    -webkit-transition: opacity 0.2s ease-in-out;
    transition: opacity 0.2s ease-in-out;
    transition-property: opacity;
    transition-duration: 0.2s;
    transition-timing-function: ease-in-out;
    transition-delay: 0s;
}
.icon:hover {
    opacity: 1;
}
.contact {
    color: #ffffff;
    opacity: .6;
    -webkit-transition: opacity 0.2s ease-in-out;
    transition: opacity 0.2s ease-in-out;
    transition-property: opacity;
    transition-duration: 0.2s;
    transition-timing-function: ease-in-out;
    transition-delay: 0s;
}
.contact:hover {
    opacity: 1;
}

/* nav2 */

.navbar-sec {
    right: 0;
    left: 0;
    position: fixed;
    background-color: #ffffff;
    border-bottom: 1px solid rgb(0 0 0 / 14%);
}
.navbar-col-sec {
    font-weight: 500;
}