#under-header-content {
    background: var(--light-blue);
    height: 5.4rem;
}

#header {
    background: var(--t-light-blue);
    backdrop-filter: blur(.9rem);
    -webkit-backdrop-filter: blur(.9rem);
    box-shadow: #1e1e1e 0 0 1.3rem -.15rem;
    box-sizing: border-box;
    display: flex;
    height: 4.8rem;
    justify-content: space-between;
    padding: .3rem 3vw 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 999;
}

#header-logo {
    background: #ffffff;
    border-radius: .9rem;
    display: block;
    height: 3rem;
    padding: .6rem 1rem;
}

#header-nav {
    display: flex;
    gap: 0;
}

.header-nav-item {
    box-sizing: border-box;
    display: inline-block;
    line-height: .9em;
    height: 3.6rem;
    margin: 0 0 .2rem;
    text-align: center;
    width: 7rem;
}

.header-nav-item:hover {
    border-bottom: solid 3px #ffffff;
}

.header-nav-item:hover  * {
    color: #ffffff;
}

#header .header-nav-item a {
    display: inline-block;
    padding: 1.2em 0 0;
    height: calc(100% - 1.2em);
    width: 100%;
}

.header-nav-item span {
    color: #7f7f7f;
    font-size: .7rem;
    line-height: 1em;
}

#header-join {
    background: #ffffff;
    border-radius: .9rem;
    height: 4.2rem;
    margin: 0 0 0 1.5rem;
    width: 9rem;
}

#header-join:hover {
    background: var(--pink);
    border-bottom: 0;
    box-shadow: #ffffff 0 0 0 .12rem;
}

#header-join:hover  * {
    color: #ffffff;
}

/*------footer------*/

#footer-wave{
    animation: 
    s 4s infinite alternate,
    m 6s infinite linear;
    --_p: 93% 83.5% at;
    --_g1: radial-gradient(var(--_p) bottom ,var(--blue) 79.5%, #0000 80%) no-repeat;
    --_g2: radial-gradient(var(--_p) top, #0000 79.5%, var(--blue) 80%) no-repeat;
    --_g3: radial-gradient(var(--_p) bottom, var(--light-blue) 79.5%, #0000 80%) no-repeat;
    --_g4: radial-gradient(var(--_p) top, #0000 79.5%,var(--light-blue) 80%) no-repeat;
    --_g5: radial-gradient(var(--_p) bottom, #75dcff 79.5%, #0000 80%) no-repeat;
    --_g6: radial-gradient(var(--_p) top, #0000 79.5%,#75dcff 80%) no-repeat;
    background: 
        var(--_g1),var(--_g2),var(--_g1),var(--_g2),
        var(--_g3),var(--_g4),var(--_g3),var(--_g4),
        var(--_g5),var(--_g6),var(--_g5),var(--_g6),var(--_g5);
    height: 9rem;
    z-index: -1;
}

@keyframes m {
    0% {
        background-position: -200% 100%, -100% 100%, 0% 100%, 100% 100%, 0% 100%, 100% 100%, 200% 100%, 300% 100%, -250% 100%, -150% 100%, -50% 100%, 50% 100%, 150% 100%;
    }
    100%{
        background-position: 0% 100%, 100% 100%, 200% 100%, 300% 100%, -200% 100%, -100% 100%, 0% 100%, 100% 100%, -50% 100%, 50% 100%, 150% 100%, 250% 100%, 350% 100%;
    }
}

@keyframes s{
    0%  {
        background-size: 50.5% 60%, 50.5% 60%, 50.5% 60%, 50.5% 60%, 50.5% 90%, 50.5% 90%, 50.5% 90%, 50.5% 90%, 50.5% 95%, 50.5% 95%, 50.5% 95%, 50.5% 95%, 50.5% 95%
    }
    33% {
        background-size: 50.5% 70%, 50.5% 70%, 50.5% 70%, 50.5% 70%, 50.5% 75%, 50.5% 75%, 50.5% 75%, 50.5% 75%, 50.5% 85%, 50.5% 85%, 50.5% 85%, 50.5% 85%, 50.5% 85%
    }
    66% {
        background-size: 50.5% 55%, 50.5% 55%, 50.5% 55%, 50.5% 55%, 50.5% 80%, 50.5% 80%, 50.5% 80%, 50.5% 80%, 50.5% 90%, 50.5% 90%, 50.5% 90%,50.5% 90% , 50.5% 90%
    }
    100%{
        background-size: 50.5% 80%, 50.5% 80%, 50.5% 80%, 50.5% 80%, 50.5% 95%, 50.5% 95%, 50.5% 95%, 50.5% 95%, 50.5% 100%, 50.5% 100%, 50.5% 100%, 50.5% 100%, 50.5% 100%
    }
}

#footer {
    background: var(--blue);
    box-sizing: border-box;
    display: grid;
    gap: 4.5rem 3rem;
    grid-template-columns: 25rem minmax(min-content, 1fr);
    grid-template-rows: 1fr 1.2rem;
    overflow: hidden;
    padding: 3rem 3rem 1.5rem;
    width: 100%;
}

#footer * {
    color: #ffffff;
}

#footer-logo {
    background: #ffffff;
    height: 3rem;
    padding: 3rem;
}

#footer > div > address > h1 {
    font-size: 1.2rem;
}

#footer-nav {
    display: flex;
    gap: .6rem;
    flex-wrap: wrap;
}

.footer-nav-item {
    border-left: solid 0rem var(--pink);
    box-sizing: border-box;
    display: block;
    line-height: 1.5rem;
    height: max-content;
    margin: 0 0 .9rem;
    width: 12rem;
}

.footer-nav-item:hover {
    background: #ffffff;
    border-left: solid .3rem var(--pink);
    margin: 0 0 .3rem;
    padding: .3rem 0;
}

.footer-nav-item > a {
    border-left: solid .3rem #ffffff;
    display: block;
    line-height: 1.8em;
    height: 1.8rem;
    padding: 0 .9rem;
}

.footer-nav-item:hover > a {
    border-left: solid .3rem #ffffff;
    color: var(--blue) !important;
}

.footer-nav-item > a:hover {
    border-left: solid .3rem #ffffff;
    color: var(--pink) !important;
    transform: translateX(.3rem);
}

.footer-nav-item > ul {
    display: block;
    line-height: 1.8rem;
}

.footer-nav-item > ul > li {
    padding: 0 0 0 .6rem;
    margin: 0 0 0 1.5rem;
    list-style: none;
}

.footer-nav-item > ul > li > a {
    display: block;
    width: 8rem;
}

.footer-nav-item > ul > li:hover {
    transform: translateX(.3rem);
}

.footer-nav-item:hover > ul > li *{
    color: var(--blue) !important;
}

.footer-nav-item > ul > li:hover *{
    color: var(--pink) !important;
}

#footer-copyright {
    grid-column: span 2;
    text-align: right;
}

@media screen and (max-width: 60rem) {
    #under-header-content {
        display: none;
    }
    #header {
        background: #ffffff;
        position: static;
    }

    .header-nav-item:not(#header-join) {
        display: none;
    }

    #header-join {
        box-shadow: var(--light-blue) 0 0 0 .21rem;
        box-sizing: border-box;
        height: 3rem;
        margin: .6rem 0;
        padding: 0;
    }

    #header .header-nav-item a {
        display: block;
        padding: .6rem 0 0;
        height: calc(100% - .6rem);
        width: 100%;
    }

    #footer {
        grid-template-columns: 1fr !important;
        grid-template-rows: 1fr auto 1.2rem;
        grid-gap: 3rem 0;
        padding: 1rem;
        text-align: center;
        width: 100%;
    }

    #footer-logo {
        box-sizing: border-box;
        height: auto;
        padding: 3rem 10%;
        width: 80%;
    }

    #footer-nav {
        grid-row: 2;
    }

    #footer-nav * {
        text-align: left;
    }
}


@media screen and (max-width: 26rem) {
    #header {
        width: 100%;
    }
    #header-logo {
        padding: .6rem 0;
        margin: 0;
        max-width: 50vw;
    }

    #header-join {
        max-width: 30vw;
    }

    #footer-copyright {
        font-size: 3.5vw;
    }
}