/*-----追加251203--------------------------------*/
.p3-1.event__add-detail-bl-txt {
  width: 280px;
}

/*-----追加260421--------------------------------*/
#container #topics h2 {
  margin-bottom: 0;
}
#content #topics dl.topics__list {
  display: grid;
  grid-template-columns: min-content 1fr;
  margin-block: 0;
}

#content #topics dt {
  min-height: 130px;
  height: auto;
  padding-block: 20px;
  margin: 0;
  border-bottom: 1px dotted #ccc;
  float: none;
  clear: none;
  align-self: stretch;
}

#content #topics dd {
  width: auto;
  min-height: 130px;
  height: auto;
  padding-block: 20px;
  margin: 0;
  border-bottom: 1px dotted #ccc;
  float: none;
}

/*-----追加260713--------------------------------*/
.btn3.btn3--left {
  float: left;
}