地図、マップ、ピン (塗りつぶし)のアイコン

<span class="dli-pin-fill"></span>

.dli-pin-fill {
  display: inline-block;
  vertical-align: middle;
  color: #333;
  line-height: 1;
  position: relative;
  width: 0.8em;
  height: 0.8em;
  background: currentColor;
  border: 0.1em solid currentColor;
  border-radius: 40% 60% 0% 100% / 40% 100% 0% 60%;
  box-sizing: content-box;
  transform: rotate(45deg);
}

.dli-pin-fill::before {
  content: '';
  position: absolute;
  top: 18%;
  left: 18%;
  width: 0.336em;
  height: 0.336em;
  background: #fff;
  border-radius: 50%;
  box-sizing: border-box;
}