.ext_src::after {		/* 拡張機能 */
    content: "Ex";
	vertical-align: super;
    font-size: smaller;
    display: inline;
    margin-left: 5px;
}
.refMrk::after {		/* 外部参照 */
    content: "🔗";
    cursor:pointer;
    font-size: 1.1rem;
    display: inline;
    margin-left: 5px;
}
.expdBtn::after {		/* ツーリ展開（閉めている状態） */
    content: "⊞";
    cursor:pointer;
    font-size: 1.1rem;
    display: inline;
    margin-left: 5px;
}
.collpdBtn::after {	/* ツーリ閉める（表示している状態） */
    content: "⊟";
    cursor:pointer;
    font-size: 1.1rem;
    display: inline;
    margin-left: 5px;
}
.collpd{
	display: none;
}
._lvl2 {
    margin-left: 20px;
}
._lvl3 {
    margin-left: 40px;
}
._lvl4 {
    margin-left: 60px;
}

.round_arrow {
  position: relative;
  padding-left: 20px;
}
 
.round_arrow::before { /* 背景の表示設定 */
  content: "";
  position: absolute;
  margin: auto;
  top: 0;
  bottom: 0;
  left: 2px;
  width: 18px; /* 横幅 */
  height: 16px; /* 高さ */
  border-radius: 5px;
  background: red;
}
 
.round_arrow::after { /* くの字の表示設定 */
  content: "";
  position: absolute;
  margin: auto;
  top: 0;
  bottom: 0;
  left: 2px;
  width: 10px;
  height: 10px;
  border-top: 3px solid #fff;
  border-right: 3px solid #fff;
  transform: rotate(45deg);
}

.pin-solid.icon {
  color: red;
  position: absolute;
  margin-left: 4px;
  margin-top: 2px;
  width: 12px;
  height: 12px;
  border: solid 1px currentColor;
  border-radius: 7px 7px 7px 0;
  background-color: currentColor;
  -webkit-transform: rotate(-45deg);
          transform: rotate(-45deg);
}

.pin-solid.icon:before {
  content: '';
  position: absolute;
  left: 3px;
  top: 3px;
  width: 4px;
  height: 4px;
  color: white;
  border: solid 1px currentColor;
  border-radius: 3px;
  background-color: currentColor;
}

.pin-solid2 {
  position: relative;
  padding-left: 22px;
}

.pin-solid2::before  {
  content: "";
  color: red;
  position: absolute;
  margin: auto;
  top: 0;
  bottom: 0;
  left: 2px;
  width: 14px; /* 横幅 */
  height: 13px; /* 高さ */
  border: solid 1px currentColor;
  border-radius: 7px 7px 7px 0;
  background-color: currentColor;
}

.pin-solid2::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 7px;
  width: 4px;
  height: 4px;
  color: white;
  border: solid 1px currentColor;
  border-radius: 3px;
  background-color: currentColor;
}

.left-align2 {
  position: relative;
  padding-left: 8px;
  color: blue;
}

.left-align2::before {
  content: "";
  position: absolute;
  margin-left: 0px;
  margin-top: 6px;
  width: 17px;
  height: 5px;
  border-top: solid 1px currentColor;
  border-bottom: solid 1px currentColor;
}

.left-align2::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 4;
  width: 11px;
  height: 5px;
  border-top: solid 1px currentColor;
  border-bottom: solid 1px currentColor;
}

