.riverClassOnList {
   margin-left: 20px;
   background-color: #ccc;
   padding: 3px;
   border-radius: 5px;
   font-size: 14px;
   vertical-align: middle;
   background-color: #5599cc;
   color: #fff;
}

.titleRiverBox {
   color: #ffffff;
   max-width: 1000px;
   margin: auto;
   width: 100%;
   padding: 20px 0;
   font-weight: normal;
}

.suikeiBox {
   margin: 5px 0;
   padding: 0;
}

.riverClass {
   color: #ffffff;
   border: 1px solid #fff;
   padding: 2px;
   font-size: 16px;
   margin: 0;
}

.suikeiName {
   color: #ffffff;
   margin: 0 0 0 10px;
   font-size: 18px;
 }

.ryouiki {
   color: #ffffff;
   margin: 5px 0;
}

.riverpic {
   width: 100%;
 }

 .riverpic img {
   width: 100%;
 }

 .riverpic figcaption{
   text-align: right;
 }

#comment {
   border: 1px #0066cc solid;
   margin: 10px;
   padding: 30px;
}

.tblRivers {
   display: flex;
   flex-flow: row wrap;
   margin: auto;
   margin-bottom: 10px;
   max-width: 1000px;
   width: 100%;
}

.tblRivers dt {
   flex-basis: 20%;
   padding: 20px;
   border-right: 1px solid #0066cc;
   margin-bottom: 2px;
}

.tblRivers dd {
   flex-basis: 80%;
   padding: 20px;
   background-color: #fff;
   margin-bottom: 2px;
}

.ryuikiList {
   display: flex;
   flex-wrap: wrap;
}

.ryuikiList li {
   margin: 0 5px 10px 5px;
}

@media screen and (max-width: 520px) {
   .titleRiverBox {
      padding: 20px;
   }

   .tblRivers {
      display: block;
      flex-flow: nowrap;
      width: 100%;
  }
  
  .tblRivers dt {
      border-right: none;
      border-bottom: 1px solid #22AADD;
      width: 100%;
      padding: 10px;
  }
  
  .tblRivers dd {
      width: 100%;
  }

}