body {
    background-color: rgb(245,245,245);
    margin: 0;
}

.under-construction {
    pointer-events: none;
    color: gray;
}

.under-construction:after {
    content: "(工事中)";
}

.full-width {
    width: 100%;
}

nav > menu > ul, nav > menu{
    margin: 0;
}

nav > menu > ul > li {
    display: inline-block;
}
nav > menu > ul > li > a {
    text-decoration: none;
    font-weight: bold;
    color: white;
}

aside {
    display: inline-block;
    width: 29%;
    text-align: center;
}

.twitter-timeline{
    width: 90% !important;
}

main {
    display: inline-block;
    width: 70%;
    vertical-align: top;
    text-align: center;
}

main > article {
    width: 90%;
    border: black 2pt solid;
    margin: 10px 0;
    padding: 0 10px;
    text-align: left;
}

.main-container {
    vertical-align: top;
}

footer {
    font-size: small;
    text-align: right;
}

nav, aside, footer {
    background-color: black;
}

.bold {
    font-weight: bold;
}

.red {
    color: red;
}