thead
{ 
    font: 100%;
}

audio
{ 
    vertical-align: middle;
    width:  350px;
}

.pdf-wrap {

position: relative;

width: 100%;

padding: 141% 0 0 0;

}

.pdf-wrap iframe {

position: absolute;

top: 0;

left: 0;

width: 100%;

height: 100%;

}

.movie-wrap {
     position: relative;
     padding-bottom: 56.25%; /*アスペクト比 16:9の場合の縦幅*/
     height: 0;
     overflow: hidden;
}
 
.movie-wrap iframe {
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
}

th,td
{ 
    vertical-align: middle;
    padding-bottom: 5;
    padding-top: 5;
    padding-left: 20;
    padding-right: 20;
}

a:link
{
    color: Darkblue;
}

body
{
    font-family: 'Noto Serif', serif;
    font-size: 16px;
}

html
{
    padding: 18px;
    line-height: 1.5
}

div.header
{
    font-style: normal;
    font-weight: normal;
    margin: 5;
    padding: 0;
}

div.content
{
    margin: 1;
    padding-top: 0px;
    padding-bottom: 0px;
    padding-left: 15em;
}

div.content h1 {
    font: bold;
    font-size: 18px;
    color: #FFFFFF;
    padding:4px;
    background-color:#2379B4;
}

div.content h2,h3,h4,h5 {
    font: bold;
    font-size: 18px;
}


div.navigation
{
    font-size: 14px;
    background-color: #ffffff;
    position: absolute;
    top: 2em;
    left: 1em;
    width: 15em;
    padding: 1em
}

div.navigation h1,h2,h3 {
    font-size: 18px;
}

div.navigation h4 {
    font-size: 12px;
}


div.navigation h5 {
    font-size: 12px;
}


div.navigation td
{
    text-align: center;
    padding: 18px;
    font-variant: normal;
}

ul,ol,li {
    float: none;
    margin-left: 2px;
    padding: 5px;
    line-height: 1.2
}

ul,ol {
    margin-left: 25px;
}