【CSS】文字の左に横線を引く方法

.left-line {
  position: relative;
}

.left-line::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 20vh; /* 線の長さ */
  height: 1px;
  background-color: #000;
  margin-left: -22vh; /* ← これで線をさらに左へ */
}