body {
  width:602px;
  margin:auto;
  padding-bottom:50px;
  color: #fff;
  background-color: #358;
  line-height:150%;
  }
h1 {
  margin:8px 0px 8px 0px;
  text-align: center;
  }
h2 {
  margin:8px 0px 16px 0px;
  padding-top:2px;
  border-top:1px #fff solid;
  text-align: center;
  }
hr {
  margin:24px 0px
  }
.honbun {
  margin:1em 0 0 0;
  text-align:left;
  clear:both;
  }
.fig_left {
  float:left;
  margin-right:0.8em;
  margin-bottom:0.8em;
  }
.fig_right {
  float:right;
  margin-left:0.8em;
  margin-bottom:0.8em;
  }
a:link   { color: #99f }
a:visited{ color: #ddd }
a:active { color: #f77 }

.navi {
  clear:both;
  margin-top:1em;
  text-align: center;
  }
.navi a {
  text-decoration: none;
  padding:0 0.5em;
  font:normal medium Tahoma;
  letter-spacing: 1px;
  text-decoration:none;
  background:#aaa;
  border-style:solid;
  border-color:#ccc #666 #555 #bbb;
  border-width:2px;
  }
.navi a:link   { color:#55c }
.navi a:visited{ color:#77f }
.navi a:hover {
  position:relative;top:1px;left:1px;
  color:#d66;
  border-style:solid;
  border-color:#555 #bbb #ccc #666;
  border-width:2px;
  }