@font-face {
    font-family: "Montserrat";
    src: url("../fonts/Montserrat/Montserrat-VariableFont_wght.ttf");
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: "Montserrat Bold";
    src: url("../fonts/Montserrat/static/Montserrat-Medium.ttf");
    font-weight: normal;
    font-style: normal;
}

html {
    scroll-behavior: smooth;
}

#loader {
    height: 100vh;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #dbe8bb;
}

#loader img {
    height: 200px;
}


body {
    width: 100%;
    margin: 0;
    padding-top: 12vh;
    min-height: 100vh;
    overflow-y: scroll;
    background-color: #feffe3;
    font-family: 'Montserrat', sans-serif;
}

.header {
    z-index: 1000;
    height: 12vh;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 0px;
    background-color: #dbe8bb;
    box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.012);
}


.logo {
    height: 12vh;
    margin-left: 50px;
}

.logo a {
    height: 12vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    color: #117661;
    font-size: 1.8rem;
}

.logo img {
    height: 10vh;
}


.hamburger-menu {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    cursor: pointer;
    z-index: 1001;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.hamburger-menu .bar {
    width: 100%;
    height: 3px;
    background-color: #333;
    transition: all 0.3s ease-in-out;
}

.hamburger-menu.active .bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.hamburger-menu.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    flex-direction: column;
    justify-content: center;
    align-items: start;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    z-index: 999;
    overflow-y: auto;
    padding-top: 12vh;
    list-style-type: none;
    margin-top: 0;
}

.nav.nav-open {
    transform: translateX(calc(100% - 350px));
}

.nav>li {
    height: auto;
    margin: 15px 0 15px 0;
    width: fit-content;
    text-align: center;
}

.nav-link {
    height: auto;
    padding: 10px 20px 10px 0;
    font-size: 1.5rem;
    display: block;
    text-align: start;
    text-decoration: none;
    color: black
}

.nav-link:hover {
    color: #117661;
}


.dropdown-menu {
    width: 100%;
    align-items: start;
}

.dropdown-content {
    position: static;
    width: 40%;
    box-shadow: none;
    border-top: none;
    background-color: transparent;
    padding-top: 0;
    display: none;
    width: max-content;
}

.dropdown-content.dropdown-open {
    display: flex;
    flex-direction: column;
    justify-content: start;
}

.dropdown-content a {
    padding: 4px 0 4px 16px;
    font-size: 1.2rem;
    margin-bottom: 0;
    border-radius: 5px;
    text-align: start;
    text-decoration: none;
    color: black;
}

.dropdown-content a:hover {
    color: #117661;
}

.dropdown-icon {
    height: 1.5rem;
}

.main {
    width: 100%;
}

.footer {
    height: 40vh;
    background-color: #dbe8bb;
    position: relative;
}

#horizontal {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

#links {
    width: 70vw;
    height: 15vh;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    list-style: none;
    font-size: 0.8rem;
    padding: 0;
}

.links {
    text-decoration: none;
    color: black;
}

.links:hover {
    color: #117661;
}

#sns {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    padding: 8px;
    border-radius: 5px;
    height: 1.5rem;
    text-decoration: none;
    color: black;
}

#sns>p {
    padding-right: 10px;
}

#ig>img {
    height: 1.5rem;
}

#x>img {
    height: 1.8rem;
    padding-left: 3px;
}

#yt>img {
    height: 1.2rem;
}

#igem>img {
    padding-left: 8px;
    height: 1.5rem;
}

#note>img {
    height: 1.5rem;
}

.sns>img {
    padding-top: 5px;
}

/* ↓ responsive */