body {
    font-family: 'Helvetica Neue', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f7f7f7;
    line-height: 1.6;
}

.main {
    max-width: 800px;
    margin-top: 100px;
    margin-left: auto;
    margin-right: auto;
    background-color: #ffffff;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.header-image {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 10vh auto 2rem auto;
    border-radius: 10px;
}

.article-title {
    font-family: "Kaisei Decol", serif;
    font-size: 2rem;
    font-weight: bold;
    margin-top: 5vh;
    margin-bottom: 1rem;
    text-align: center;

}

.article-body {
    font-family: "Zen Maru Gothic", serif;
    font-size: 1rem;
    font-weight: 400;
    color: #333333;
    white-space: pre-line;
    margin: auto;
}

.article-body img{
    max-width: 100%;
    justify-self: center;
    margin: 1rem auto;
}

.article-body p{
    font-size: 30px;
    text-align: center;
}

.article-body a[target="_blank"] {
    color: #007BFF;
    text-decoration: none;
}

.article-body a:visited {
    color: blue;
}

.article-body a:focus {
    color: red;
}

footer{
    background-color: gray;
}