.event_link_box {
    width: 80%;
    margin: 8% auto;
  }

  @media screen and (max-width: 810px) {
    .event_link_box {
      width: 90%;
    }
  }

  @media screen and (max-width: 810px) {
    .event_link_box {
      width: 96%;
    }
  }

  p {
    text-align: center;
    line-height: 2;
    font-weight: normal;
  }

  .event_link_item {
    display: flex !important;
    flex-wrap: wrap;
  }

  .event_link_item a {
    border: 1px solid #888;
    width: 50%;
  }

  .event_link_item a:hover {
    -webkit-filter: brightness(0.8);
    filter: brightness(0.8);
  }

   /* 3つバナー */
  .event_link_box3 .event_link_item a {
    width: calc(100 / 3);
  }

  /* 4つバナー */
  .event_link_box4 .event_link_item a {
    width: 25%;
  }

  @media screen and (max-width: 640px) {
    .event_link_box4 .event_link_item a {
        width: 50%;
      }
  }