.event {
  .event_list {
    width: 95%;
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
  .event_item figure {
    border-top: solid 1px var(--color-gray-light);
    border-left: solid 1px var(--color-gray-light);
    border-right: solid 1px var(--color-gray-light);
  }
  .event_item {
    text-align: center;
  }
  .event_item .info {
    padding: 20px;
    border: solid 1px var(--color-gray-light);
    background: var(--color-white);
  }
  .event_item .info span {
    font-size: 1.8em;
    font-weight: 700;
    margin: 0 0 10px 0;
    display: block;
    position: relative;
  }
  .event_item .info span::after {
    content: '';
    width: 80%;
    height: 2px;
    background: var(--color-gray);
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
  }
}

@media screen and (max-width: 800px) {
  .event {
    .event_list {
      max-width: 500px;
      grid-template-columns: repeat(1, 1fr);
    }
    .event_item .info {
      padding-left: 10px;
      padding-right: 10px;
    }
  }
}