html,
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", "游ゴシック", YuGothic, "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "メイリオ", Meiryo, sans-serif;
    font-size: 14px;
    background: #F0F2F4;
}
.navbar {
    position: sticky;
    top:0
}
.navbar.is-white {
    background: #F0F2F4;
}

.navbar-brand .brand-text {
    font-size: 1.11rem;
    font-weight: bold;
}

.hero-body {
    background-image: url(../img/jumbo_2.jpg);
    background-position: center 40%;
    background-size: cover;
    background-repeat: no-repeat;
    height: 500px;
    text-shadow: 0 0 1em rgba(0, 0, 0, 1),
        0 0 1em rgba(0, 0, 0, 1),
        0 0 1em rgba(0, 0, 0, 1);
}

.articles {
    margin: 5rem 0;
    margin-top: -200px;
}

.articles .content p {
    line-height: 1.9;
    margin: 15px 0;
}

.media-content {
    margin-top: 3rem;
}

.article {
    margin-top: 6rem;
}

div.column.is-10:first-child {
    padding-top: 0;
    margin-top: 0;
}

.article-title {
    font-size: 2rem;
    font-weight: lighter;
    line-height: 2;
}

.article-subtitle {
    color: #909AA0;
    margin-bottom: 3rem;
}

.article-body {
    line-height: 1.4;
    margin: 0 6rem;
}

.article-body .session-chair {
		font-size: smaller;
}

@media screen and (max-width: 768px) {
    .article-body {
        margin: 0 1rem;
    }

}