/* テキストボックス */
#property {
  width: 130px;
  ime-mode: disabled;
  margin: 5px 0px 10px 0px;
}
#child {
  width: 130px;
  ime-mode: disabled;
  margin: 10px 0px 10px 0px;
}
#total {
  width: 130px;
  ime-mode: disabled;
  margin: 0px 0px 10px 0px;
}

/* 結果 */
#result {
  border: 2px solid #999999;
  color: #000000;
  font-size: 30px;
  font-weight: bold;
  display: inline-block;
  padding: 15px 30px 15px 30px;
  margin: 0px 0px 0px 7px;
}

/* ボタン */
.box_btn {
  text-align: center;
  margin: 40px 0px 60px 0px;
}
#send {
  width: 120px;
  height: 50px;
  font-size: 18px;
}
#clear {
  width: 120px;
  font-size: 18px;
  height: 50px;
}