body {
    align-items: center;
    background: #000 url(images/bg-goat-600.png) bottom right no-repeat;
    background-attachment: fixed;
    background-size: 400px 400px;
    color: #fff;
    font-family: "Noto Serif", Arial, sans-serif;
    justify-content: center;
    margin: 0;
}

.container {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.main-a, .main-b {
    padding: 0 20px;
}

.main-a {
    align-items: center;
    display: flex;
    flex: 1;
    justify-content: center;
}

.main-b {
    align-items: center;
    display: flex;
    flex: 2;
    flex-direction: column;
    gap: 20px;
    justify-content: bottom;
    height: 100%;
    overflow: auto;
}

.news-update {
    background: #EC008B;
    bottom: 0;
    color: #000;
    left: 0;
    padding: 10px 20px;
    position: fixed;
    width: 100%;
}

.news-update .label {
    font-weight: bold;
}

.news-update a {
    color: #000;
}

.logo {
    height: auto;
    padding: 10px;
    width: 90%;
}

iframe {
    border: none;
    width: 100%;
}

.social-iframe {
    padding: 10px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

@media (min-width: 600px) {
    body {
        display: flex;
    }

    .main-a {
        flex-direction: column;
    }

    .container, .main-b {
        flex-direction: row;
        height: 100vh;
    }
}