/* GENERAL */
body {
    width: 100%;
    color: rgb(60, 60, 60);
    margin: 0;
    overflow-y: scroll;

    font-family: 'Hiragino Kaku Gothic ProN', '繝偵Λ繧ｮ繝手ｧ偵ざ ProN W3', 'YuGothic', 'Yu Gothic', '繝｡繧､繝ｪ繧ｪ', 'Meiryo', '�ｭ�ｳ 繧ｴ繧ｷ繝�け', sans-serif;
}

h1 {
    margin: 0;
}

h2 {
    text-align: center;
}

#contents {
    margin-top: 54px;
    margin-left: auto;
    margin-right: auto;
    width: 80%;
}

@media screen and (max-width:860px) {
    #contents {
        width: 100%;
    }
}

.image{
    width: 100%;
    max-width: 900px;
    /* height: 350px;
    object-fit: cover; */
}

.img-top{
    text-align: center;
    position: relative;
}


ul li a {
    text-decoration: none;
    border-bottom: none;
}

a:hover {
    font-weight: bold;
}

section {
    border-bottom: solid 1.5px rgb(0, 81, 124);
}

section:last-child {
    border-bottom: none;
}


/* MAIN HEADER */
#header, footer {
    background-color: rgb(0, 81, 124);
}



#header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position:fixed;
    top:0;
    left:0;
    width: 100%;
    z-index:500;
}

#header * {
    color: white;
}

#header img {
    width: 300px;
    vertical-align: middle;
}

/* Hamburger Menu */
.drawer-hidden {
        display: none;
}
@media screen and (max-width:860px) {
    .drawer-open {
        display: flex;
        height: 60px;
        width: 60px;
        justify-content: center;
        align-items: center;
        position: relative;
        z-index: 100;
        cursor: pointer;
    }

    .drawer-open span, .drawer-open span:before, .drawer-open span:after {
        content: "";
        display: block;
        height: 3px;
        width: 25px;
        border-radius: 3px;
        background: white;
        transition: 0.5s;
        position: absolute;
    }

    .drawer-open span:before {
        bottom: 8px;
    }

    .drawer-open span:after {
        top: 8px;
    }

    #drawer-check:checked ~ .drawer-open span {
        background: rgba(255, 255, 255, 0);
    }

    #drawer-check:checked ~ .drawer-open span:before {
        bottom: 0;
        transform: rotate(45deg);
    }

    #drawer-check:checked ~ .drawer-open span:after {
        top: 0;
        transform: rotate(-45deg);
    }

    nav {
        width: 100%;
        height: 100%;
        position: fixed;
        top: -100%;
        left: 0;
        z-index: 99;
        background: rgb(0, 81, 124);
        transition: 0.5s;
    }

    nav ul {
        align-items: center;
        flex-direction: column;
        margin-top: 2em;
        font-size: 120%;
    }

    nav ul li {
        padding-bottom: 1em;
    }

    #drawer-check:checked ~ nav {
        top: 0;
    }

    #header img {
        width: 250px;
    }
}


nav {
  margin-left: auto;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    padding: 0 1em 0 0;
    font-size: 15px;
}

@media screen and (max-width:480px) {
    nav ul {
        flex-wrap: wrap;
    }
}




/* DESCRIBE PROFESSOR */
.professor {
    display: flex;
}

.professor_desc{
    flex: 1;
}

.professor img {
    height: 200px;
    margin-right: 2em;
}

@media screen and (max-width:480px) {
    .professor{
        flex-direction: column;
    }
    .professor img {
        margin: 0 auto;
        width: 200px;
        height: auto;
        vertical-align: middle;
    }
}

/* PROJECTS */
.project_contents {
    display: flex;
}

.project_contents > div:first-child {
    margin-right: 2em;
}

.project_contents img, video {
    width: 400px;
}

@media screen and (max-width:1000px) {
    .project_contents{
        flex-direction: column;
    }
    .project_contents > div:first-child {
        margin-right: 0;
    }
    /* .project_contents img, video {
        width: 400px;
    } */
}

/* FOOTER */
footer{
    text-align: center;
    color: white;
    font-size: 12px;
}