.anchor-block1 {
  position: relative;
}

.anchor-block2 {
  position: absolute;
  list-style: none;
  width: 100%;
  padding: 0 0 0 15.5%;
  display: grid;
  top: 0;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 1fr);
  grid-column-gap: 5%;
  grid-row-gap: 43px;
}
.anchor-block2 li a {
  display: block;
  height: 193px;
}
.anchor-block2 li:hover a[href] {
  background-color: rgba(255, 255, 255, 0.3);
}
@media screen and (max-width: 767px) {
  .anchor-block2 {
    grid-row-gap: 4vw;
  }
  .anchor-block2 li a {
    display: block;
    height: 15vw;
  }
}

.anchor-link1 {
  position: absolute;
  top: 0;
  left: 0;
  width: 216px;
  height: 190px;
  z-index: 2;
}
.anchor-link1:hover {
  background-color: rgba(255, 255, 255, 0.3);
}
@media screen and (max-width: 767px) {
  .anchor-link1 {
    width: 17.3vw;
    height: 15.5vw;
  }
}