body {
     font-family: "メイリオ"," Meiryo", "Hiragino Kaku Gothic Pro", "ヒラギノ角ゴ Pro W3", "ＭＳ Ｐゴシック", "Lucida Grande", "Lucida Sans Unicode", "Arial", "Verdana",             "sans-serif";
     margin: 0px;
     width:100%;
     height:100%;
}
html { height: 100%; }
article {
       background-color: white;
       display: block;
       font-size: 1em;
       min-height: 80%;
  }

h2{
  margin: 0px auto;
  text-align: center;
  color: darkblue;
}

hr {
        border-top: 3px double #bbb;
        border-color:pink;
     }

hr.short {
    border-top: 1px dotted #8c8b8b;
    border-color:lightgreen;
    margin:auto;
}
.center{
   text-align :center;
 }
.right{
  text-align: right;
}
.bold{
   font-weight:bold;
  }
.green{
  color:green;
  font-weight: bold;
}
.small{
  font-size:small;
  text-align: center;
  color:darkgreen;
}
#page_top{
  width: 50px;
  height: 50px;
  position: fixed;
  right: 200px;
  bottom: 15px;
  background: #3f98ef;
  opacity: 0.6;
  border-radius: 50%;
}
#page_top a{
  position: relative;
  display: block;
  width: 50px;
  height: 50px;
  text-decoration: none;
}
#page_top a::before{
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  content: '\f102';
  font-size: 25px;
  color: #fff;
  position: absolute;
  width: 25px;
  height: 25px;
  top: -5px;
  bottom: 0;
  right: 0;
  left: 0;
  margin: auto;
  text-align: center;
}
nav {
     background: lightblue;
     color: white;
     display: block;
     height: 35px;
     line-height: 35px;
     padding: 0px;
     text-decoration: none;
}
    nav ul, nav li {
        list-style-type:none;
         margin : 0px auto;
    }

    ul#Nav001 li {
         font-size: 13px;
         display: inline-block;
         list-style-type:none;
    }

    ul#Nav001 li a {
         background: url(../pic/yajirushi.gif) no-repeat 0px 0px;
         color: #666;
         height: 20px;
         margin-left: 17px;
         padding-left: 22px;
         padding-top: 2px;
         text-decoration: none;
    }

    ul#Nav001 li a:hover {
         background: url(../pic/yajirushi.gif) no-repeat 2px 0px;
         color: #F90;
    }
    ul li a{
      text-decoration: none;
      cursor: pointer;
    }
    #contents{
      width:100%;
    margin: auto;
    }
    #media{
      text-align: center;
    }
    #media li{
    display: inline-block;
    border: 1px gray solid;
    border-radius: 5px;
    margin:2px;
    padding: 5px;
    text-align: center;
    cursor:pointer;
    font-size: 13px;
  }
  #media li.on{
    background-color: rgb(165, 205, 118);
    color:white;
  }
  #media li.off{
    background-color: white;
    color:darkblue;
  }
  #xclear,#xreload{
    /*background-color: rgba(185, 235, 145,0.5);*/
    background-color: white;
    border-radius: 10px;
    cursor: pointer;
  }
table{
  width:80%;
  margin: 0 auto;
}

table,th,td {
  border: #3f98ef 1px solid ;
  border-collapse: collapse;
  font-size: 12px;
}
table tbody tr{
  cursor: pointer;
}
#table_area{
  height: 400px;
  overflow-y: scroll;

}
.sticky_table thead th  {
  /* 縦スクロール時に固定する */
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  background-color: rgb(92, 145, 17);
  color:white;
  /* tbody内のセルより手前に表示する */
  z-index: 1;
}
  header,footer {
       background-color: black;
       color: white;
       height: 30px;
       line-height: 30px;
       font-size: 1.5em;
       text-align: center;
  }