body {
    font-family: "ヒラギノ角ゴシック", "游ゴシック", sans-serif;
    font-size: large;
    background-color: #fff;
    margin: 0 0 20px 0;
}

header {
    display: flex;
    justify-content: center;
}

#header-column {
    width: 100%;
    max-width: 920px;
    background-color: #4f9efc;
    flex-flow: column;
    padding: 10px 0;
}

.WStext {
    float: right;
}

header img,
.header_text,
.WStext {
    margin: 0 20px;
}

header img {
    width: 250px;
    height: 78.25px;
    border-radius: 15px;
    padding: 5px 10px;
    background-color: #fff;
    box-shadow: 0px 0px 5px 2px #bcdefc inset;
}

header a:link,
header a:visited,
header span {
    color: #fff;
}

#side-icon,
#sideBody {
    display: none;
}

a:link,
a:visited {
    color: #3700ff;
}

a:hover {
    font-weight: bold;
}

/* SNSヘノシェア */

#x-logo {
    background-color: black;
    width: 18px;
    padding: 2px 30px;
    margin: 10px 10px 0 5px;
    border-radius: 2px;
    box-shadow: 0px 0px 3px 1px #999999;
}

#fb-logo {
    background-color: #0866ff;
    width: 18px;
    padding: 2px 30px;
    margin: 10px 5px 0 10px;
    border-radius: 2px;
    box-shadow: 0px 0px 3px 1px #999999;
}

#x-logo:hover, #fb-logo:hover {
    opacity: 0.8;
    box-shadow: 0px 0px 3px 1px #999999;
}

#SNS-share{
    width: 100%;
    max-width: 920px;
    margin: 5px auto 0 auto;
    background-color: #e8f3ff;
}

#SNS-share ul {
    list-style: none;
    display: flex;
    justify-content: flex-end;
    margin: 0;
}

#SNS-share a:link,
#SNS-share a:visited {
    color: #ffffff;
    text-decoration: none;
}

/*メイン*/

#Main {
    background-color: #e8f3ff;
    width: 100%;
    max-width: 920px;
    margin: auto;
    padding-bottom: 40px;
}
.page-title {
    text-align: center;
    padding: 20px;
    font-size: 2rem;
    font-weight: bold;
}
.wrapper {
    width: 90%;
    margin: 10px auto;
}
.paper-list {
    margin-bottom: 10px;
}
.paper-title {
    font-weight: bolder;
}
.text {
    margin-left: 2rem;
}

footer {
    display: block;
    text-align: center;
}

hr {
    width: 920px;
}

#button {
    color: #fff;
    border-radius: 2px;
    background-color: #2d6fc0;
    box-shadow: 0px 0px 5px 1px #999999;
    padding: 5px 10px;
}

#button:hover {
    font-weight: bolder;
    opacity: 0.8;
}

footer a {
    text-decoration: none;
}

.copyright {
    text-align: center;
    font-size: small;
    margin-top: 5px;
}

.italic {
    font-style: italic;
}