body {
    font-family: Meiryo;
    margin: 0 auto;
}

header {
    display: block;
    text-align: center;
    background-color: #0055FF;
    padding: 10px 0;
}

header .logo img {
    width: 600px;
}

header ul {
    margin: 0; 
    padding: 0; 
    list-style: none;
}

header li { 
    display: inline-block; 
    padding: 0; 
    margin: 0; 
}

header li img {
    height: 50px;
}

header li.partialPage img {
    height: 45px;
    opacity: 0.99;
    border: solid 1px #FFFFFF;
}

header li a {
    display: block; 
    padding: 3px;
    text-decoration: none;
    margin: 1px 0px;
    text-align: center;
}

header li a:hover {
    opacity: 0.75;
}

footer {
    clear: both;
    text-align: right;
    background-color: #DDFFFF;
    padding: 5px 15px;
    width: 97.8%;
    position: relative;
}

footer img {
    width: 125px;
}

#contentArea {
    min-height: 100vh;
}