.navi {
 display: inline-block;
 border: 1px solid #C0C0C0;
 border-radius: 5px;
 padding:10px;
 font-weight:bolder;
}
.stn-ttl03 {
  padding: 0.25em 0.5em;/*上下 左右の余白*/
  margin:1em;
  background: transparent;/*背景透明に*/
  border-left: solid 5px #7db4e6;/*左線*/
  border-bottom: solid 1px #7db4e6;/*左線*/
  font-size:110%;
  font-weight:bolder;
}

.stn-ttl03r {
  padding: 0.25em 0.5em;/*上下 左右の余白*/
  margin:1em;
  background: transparent;/*背景透明に*/
  border-left: solid 5px #ff0000;/*左線*/
  border-bottom: solid 1px #ff0000;/*左線*/
  font-size:110%;
  font-weight:bolder;
}