body {
 background-color: #000000;
 color: #ffffff;
}

#container {
 width: 800px;
 position: absolute;
 left: 50%;
 overflow: auto;
 margin-left: -400px;
 border: 1px solid #ffffff;
}

#header {
 height: 100px;
 background: black url(image/header.jpg) no-repeat;
 border-bottom: 1px solid #ffffff;
 margin-top: 20px;
}

#navigation {
 float: left;
 padding-top: 20px;
 padding-left: 15px;
}

#navi_00 a {
 display: block;
 width: 120px;
 background: url(image/button_a00.gif) no-repeat;
 height: 22px;
 line-height: 22px;
}

#navi_00 a:hover {
 background: url(image/button_b00.gif) no-repeat;
}

#navi_01 a {
 display: block;
 width: 120px;
 background: url(image/button_a01.gif) no-repeat;
 height: 22px;
 line-height: 22px;
}

#navi_01 a:hover {
 background: url(image/button_b01.gif) no-repeat;
}

#navi_02 a {
 display: block;
 width: 120px;
 background: url(image/button_a02.gif) no-repeat;
 height: 22px;
 line-height: 22px;
}

#navi_02 a:hover {
 background: url(image/button_b02.gif) no-repeat;
}

#navi_03 a {
 display: block;
 width: 120px;
 background: url(image/button_a03.gif) no-repeat;
 height: 22px;
 line-height: 22px;
}

#navi_03 a:hover {
 background: url(image/button_b03.gif) no-repeat;
}

#navi_04 a {
 display: block;
 width: 120px;
 background: url(image/button_a04.gif) no-repeat;
 height: 22px;
 line-height: 22px;
}

#navi_04 a:hover {
 background: url(image/button_b04.gif) no-repeat;
}

#main_content {
 width: 590px;
 float: right;
 margin:0px 10px 0px 0px;
 text-align: center;
 padding:20px 20px 0px 30px;
 border-left: 1px solid #ffffff;
}

#main_content img {
 border: 0;
}

#footer {
 font-size: 80%;
 clear: both;
 background: url(image/footer.jpg) no-repeat;
 border-top: 1px solid #ffffff;
 padding: 0;
 height: 60px;
 vertical-align: middle;
 text-align: center;
}

a:link { color:#ff9933;}
a:visited { color:#f60;}
a:hover { color:#fff;}
a:active { color:#cc0;}

table {
 width: 590px;
 float: left;
}

th {
 font-family: serif;
 font-weight: bold;
 font-size: 120%;
 text-align: left;
}

th.title {
 font-size: 150%;
 vertical-align: middle;
}

td {
 font-family: sans-serif;
 font-size: 90%;
 line-height: 1.5em;
}

.back {
 background: url(image/washi_a.jpg);
 background-repeat: no-repeat;
 height: 180px;
 color: #000000;
}

.back td {
 padding: 20px 0px 0px 25px;
}

p {
text-align: justify;
}

p.example {
text-justify: distribute;
}

.image {
 vertical-align: top;
 text-align: left;
 padding: 0;
}