/* ===============
globals
=============== */

::-webkit-scrollbar {
    display: none;
}

body {
    padding: 0;
    margin: 0;
    font-family: sans-serif;
}
:root {
    scroll-padding-top: 100px;
    @media (min-width: 820px) {
        scroll-padding-top: calc(100px + 40px + 1rem);
    }
}

/* ===============
header
=============== */
header {
    top: 0;
    left: 0;
    width: 100vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: sticky;
    height: 100px;
    @media (min-width: 820px) {
        height: calc(100px + 40px + 1rem);
    }
}
#banner-div {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100vw;
    height: 100px;
    background: #152c78;
    z-index: 11;
    top: 0;
    #daigeiko_logo {
        cursor: pointer;
        -webkit-user-select: none;
        user-select: none;
        margin-left: 2rem;
        height: 70%;
        object {
            pointer-events: none;
        }
    }
    @media (min-width: 820px) {
        background-position: left;
        & #menu-button-div {
            display: none;
        }

        & + nav {
            display: block;
            height: 40px;
            padding: 0.5rem 0;
            visibility: visible;

            ul {
                flex-direction: row;
                margin: auto;
                font-size: medium;
            }
        }
    }
}

#menu-button-div {
    padding: 0 16px 0 0;
}

#menu-button-icon-svg {
    width: 2rem;
    cursor: pointer;
    & * {
        transition: 0.5s;
    }
}

#cover {
    width: 100%;
    height: 100%;
    position: fixed;
    visibility: collapse;
    transition: 0.5s;
    &.menu-button-close {
        visibility: visible;
        background: rgba(0, 0, 0, 0.5);
        -webkit-backdrop-filter: blur(3px);
        backdrop-filter: blur(3px);
    }
    @media (min-width: 820px) {
        display: none;
    }
}

.menu-button-close #menu-button-icon-svg {
    #hamburger-top {
        transform-origin: center;
        transform: translateX(calc(10px * sin(-45deg)))
            translateY(calc(10px * cos(-45deg))) rotate(45deg);
    }
    #hamburger-middle {
        width: 0;
    }
    #hamburger-bottom {
        transform-origin: center;
        transform: translateX(calc(-10px * sin(45deg)))
            translateY(calc(-10px * cos(45deg))) rotate(-45deg);
    }
}

nav {
    visibility: hidden;
    position: absolute;
    top: 100px;
    background: #152c78;
    width: 100%;
    height: 0;
    z-index: 10;
    transition: 0.5s;
    display: block;
    overflow: hidden;
}
nav.menu-open {
    height: 60vh;
    visibility: visible;
}
nav ul {
    padding-left: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    height: 90%;
    color: #ffffff;
    font-size: 32px;
    list-style: none;
}
nav ul li {
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
}
nav ul li:hover {
    text-decoration: underline;
}

/* ===============
main
=============== */
main {
    background: #c5ffdc;
}
#container {
    padding: 0 1rem;
    margin: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 750px;
}
section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 10px;
}
section > h1 {
    font-family: "Noto Sans JP";
    font-size: 32px;
    font-weight: 400;
    line-height: 37px;
    text-align: center;
    color: #152c78;
}
section > p {
    width: 70%;
    min-width: 285px;
    margin: 50px 0;
    font-family: "Noto Sans JP";
    font-size: 20px;
    font-weight: 400;
    line-height: 32px;
    text-align: left;
    color: #152c78;
}
/* section img {
    width: 100%;
} */


#works-list-div {
    display: flex;
    justify-content: space-around;
    align-items: center;
    width: 90vw;
    margin: 3% 0;;
    overflow-x: scroll;
    scroll-snap-type: x mandatory;
}

.works-item {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    max-width: 60%;
    margin: 0 3%;
    font-family: "Noto Sans JP";
    line-height: 32px;
    color: #152c78;
    scroll-snap-align: center;
    flex: none;
}

.works-item img {
    max-width: 40vw;
    max-height: 20vh;
}

.works-item h2 {
    font-size: 1.2em;
    font-weight: 400;
    white-space: nowrap;
}

.works-item h3 {
    font-size: 90%;
    font-weight: 300;
    margin: 0;
    white-space: nowrap;
}

.works-item #andMore-h1 {
    margin: 30px;
}


#sns-div {
    display: flex;
    justify-content: space-around;
    align-items: center;
    width: 100vw;
    height: 64px;
    background: #152c78;
    position: sticky;
    bottom: 0;
    left: 0;
    & > div {
        margin: 16px;
        -webkit-user-select: none;
        user-select: none;
        cursor: pointer;
        & > object {
            pointer-events: none;
        }
    }

    @media (min-width: 820px) {
        border-radius: 1rem;
        width: auto;
        position: fixed;
        flex-direction: column;
        left: unset;
        right: 10px;
        bottom: 10px;
        padding: 0.1rem;
        height: unset;
        @media (max-height: 400px) {
            flex-direction: row;
        }
    }
}
.sns-logo-div {
    width: 40px;
    height: 40px;
    cursor: pointer;
    background-position: center;
    background-repeat: no-repeat;
}

#supporters-content-div {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    width: 279px;
    height: 480px;
    background: #ffffff;
}
.supporters-banner-div {
    width: 239px;
    height: 77px;
    padding: 10px 0;
    background-position: center;
    background-repeat: no-repeat;
}
#meidoh-banner-div {
    background-image: url(img/banner-meidoh.png);
}

#spacer-div {
    width: 100%;
    height: 400px;
    background-image: repeating-linear-gradient(
        45deg,
        #c5ffdc,
        #c5ffdc 5px,
        slateblue 6px,
        slateblue 7px
    );
}