.about-index .about-index-list {
  width: 54.3rem;
  margin: 2.1rem auto 0; }
  @media only screen and (min-width: 751px) {
    .about-index .about-index-list {
      width: 108.2rem;
      margin: 8rem auto 0;
      display: flex;
      flex-wrap: wrap; } }
  .about-index .about-index-list li {
    width: 54.3rem;
    margin: 5.6rem auto 0; }
    @media only screen and (min-width: 751px) {
      .about-index .about-index-list li {
        width: 34rem;
        margin: 5.1rem 3rem 0 0; } }
    @media only screen and (min-width: 751px) {
      .about-index .about-index-list li:nth-child(3n) {
        margin-right: 0; } }
    .about-index .about-index-list li .photo img {
      border-radius: 3rem; }
      @media only screen and (min-width: 751px) {
        .about-index .about-index-list li .photo img {
          border-radius: 2.2rem; } }
    .about-index .about-index-list li .title {
      margin: 2.8rem auto 0 0; }
      @media only screen and (min-width: 751px) {
        .about-index .about-index-list li .title {
          margin: 3rem auto 0 0; } }
      .about-index .about-index-list li .title a {
        display: inline-block;
        padding: 0.5rem 8rem 0.5rem 0;
        font-size: 3.3rem;
        font-weight: 600;
        color: #4d4d4d;
        background-image: url("../img/arrow_blue.svg");
        background-size: 4rem auto;
        background-position: right center;
        background-repeat: no-repeat; }
        @media only screen and (min-width: 751px) {
          .about-index .about-index-list li .title a {
            padding: 0.5rem 5rem 0.5rem 0;
            font-size: 2.6rem;
            background-size: 3.2rem auto; } }
        .about-index .about-index-list li .title a:hover {
          text-decoration: none;
          color: #ef7d16; }
    .about-index .about-index-list li .outline {
      margin: 2.4rem auto 0;
      font-size: 2.6rem;
      line-height: 1.7; }
      @media only screen and (min-width: 751px) {
        .about-index .about-index-list li .outline {
          margin: 2rem auto 0;
          font-size: 2rem;
          line-height: 1.5; } }