.features-list + .features-list {
  margin-top: 57px;
}
@media screen and (max-width: 1245px) {
  .features-list + .features-list {
    margin-top: 20px;
  }
}
.features-list.--top {
  justify-content: center;
}

.features-list.--bottom {
  counter-reset: a 2; /* 2から始めることで1つ目が「3」になる */
}

.features-list__item.--bottom {
  counter-increment: a;
}