html {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
    font-family: 'Raleway', sans-serif;
}
@media only screen and (max-width: 850px) {
    html {
        font-size: 0.8em;
    }
}
body {
    margin: 0;
    padding: 0;
    background-color: var(--white);
    color: var(--gray);
}
h1 {
    font-size: 2rem;
    margin: 0;
    padding: 0;
    color: var(--white);
}
h2 {
    font-size: 1.5rem;
    margin: 0;
    padding: 0;
}
p {
    font-size: 1rem;
    max-width: 100%;
    line-height: 1.7em;
    font-weight: 200;
    text-align: center;
    text-justify: inter-word;
    padding-top: 1em;
    padding-bottom: 1em;
}
div.index_menu_header {
    margin-bottom: 2rem;
}
ul.menu {
    font-size: 1rem;
    list-style-type: none;
    padding: 0;
    margin: 0;
}
ul.bottom {
    position: absolute;
    bottom: 2rem;
}
ul.menu > a {
    text-decoration: none;
    color: var(--gray);
    transition: color 0.2s ease-in-out;
    cursor: pointer;
}
ul.menu > a:hover {
    color: var(--white);
}
ul.menu > a:hover > li > img.instagram_logo {
    filter: var(--filterwhite);
}
ul.menu > a > li {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}
li.instagram {
    margin-top: 0.8rem;
}
img.instagram_logo {
    height: 1rem;
    filter: var(--filtergray);
    transition: filter 0.2s ease-in-out;
}
p.text_longread {
    max-width: 1000px;
}
p.text_copyright {
    font-style: italic;
}
span.text_right {
    text-align: right;
    display: block;
}
span.text_left {
    text-align: left;
    display: block;
}
div.index_holder {
    display: flex;
    flex-direction: row;
    width: 100%;
    height: 100vh;
}
div#index_menu {
    display: block;
    flex-shrink: 1;
    padding: 2rem;
    background-color: var(--black);
    color: var(--gray);
    animation: slide 1s 0s;
    transition: transform 1s 0s ease-in-out;
}
div.index_menu_exit {
    transform: translate3d(-100%, 0, 0);
}
div#index_content {
    display: block;
    flex-grow: 1;
    padding: 2rem;
    animation: fade 1s 0.5s;
    transition: opacity 1s 0s ease-in-out;
}
div.index_content_exit {
    opacity: 0;
}
div.index_imageviewer {
    display: block;
    width: 100%;
    height: 100%;
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
}
div.index_imageviewer_mobile {
    display: none;
}
div.index_overlay {
    display: none;
    z-index: 2;
    position: absolute;
    top: 0;
    left: 0;
    padding: 2rem;
    transition: opacity 0.5s ease-in-out;
    background-color: aqua;
    width: 100%;
    height: 100%;
}
div.index_overlay_visible {
    display: block;
    opacity: 0;
}
@keyframes slide {
    from {
        transform: translate3d(-100%, 0, 0);
    }
    to {
        transform: translate3d(0, 0, 0);
    }
}
@keyframes fade {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}
@media only screen and (max-width: 850px) {
    div.index_holder {
        display: flex;
        flex-direction: column;
        width: 100%;
        height: 100dvh;
    }
    div.index_menu_holder {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
    }
    ul.bottom {
        position: relative;
        bottom: auto;
        text-align: right;
    }
    li.instagram {
        margin-top: auto;
    }
    div#index_content {
        display: block;
        flex-grow: 1;
        padding: 2rem;
        animation: fade 1s 0.5s;
        transition: opacity 1s 0s ease-in-out;
    }
    div.index_imageviewer {
        display: none;
    }
    div.index_imageviewer_mobile {
        display: block;
        width: 100%;
        height: 100%;
        background-position: center;
        background-size: contain;
        background-repeat: no-repeat;
        opacity: 0;
        transition: opacity 0.2s ease-in-out;
    }
    @keyframes slide {
        from {
            transform: translate3d(0, -100%, 0);
        }
        to {
            transform: translate3d(0, 0, 0);
        }
    }
}