@media screen and (max-width: 768px) {
  .pc {
    display: none;
  }
  .sp {
    display: block;
  }
  p {
    font-size: 0.8rem;
    line-height: 1.5rem;
  }
  header img {
    width: 50%;
  }
  .fix_btn {
    position: fixed;
    bottom: 0px;
    width: 100%;
    background: #171418;
    padding: 15px 0 15px;
    border-top: solid 1px #fff;
  }
  .fix_btn .links {
    display: block;
    width: 95%;
    margin: 0 auto;
  }
  .fix_btn a {
    width: 100%;
    margin-bottom: 10px;
    padding: 15px 0;
  }
  .fix_btn p {
    width: 100%;
  }
  .container__inner .hero {
    width: 100%;
  }
  .container__inner .hero__inner {
    height: 55vh;
  }
  .container__inner .hero__inner img {
    height: 55vh;
  }
  .container__inner .section1 {
    background: #171418;
    padding: 0px 0 50px;
  }
  .container__inner .section1__inner {
    width: 85%;
    margin: 0 auto;
    color: #fff;
  }
  .container__inner .section1__inner h3 {
    text-align: center;
    padding: 50px;
    font-size: 1.5rem;
    line-height: 2rem;
    font-weight: bold;
    letter-spacing: 3px;
  }
  .container__inner .section1__inner .disc {
    padding: 0px 0 50px;
    margin-bottom: 50px;
  }
  .container__inner .section1__inner .disc .txt1 {
    font-size: 1.2rem;
    line-height: 2rem;
    margin-bottom: 20px;
  }
  .container__inner .section1__inner .disc .txt2 {
    font-size: 0.9rem;
    line-height: 1.5rem;
  }
  .container__inner .section1__inner .disc .txt4 {
    font-size: 1.2rem;
  }
  .container__inner .section1__inner .disc .txt3 {
    font-size: 0.7rem;
  }
  .container__inner .section1__inner .links {
    text-align: center;
  }
  .container__inner .section1__inner .links .moreBtn {
    margin: 0 auto;
    width: 100%;
  }
  .container__inner .section1__inner .links p {
    font-size: 0.6rem;
    line-height: 1rem;
    margin: 50px 0;
  }
  .container__inner .section2__inner {
    width: 90%;
    padding: 100px 0px 50px;
  }
  .container__inner .section2__inner .about1 {
    width: 85%;
    margin: 0 auto;
  }
  .container__inner .section2__inner .about1 h3 {
    font-size: 1.5rem;
  }
  .container__inner .section2__inner .about1 p {
    text-align: center;
  }
  .container__inner .section2__inner .about1 .photo {
    display: block;
    width: 90%;
  }
  .container__inner .section2__inner .about1 .photo .left {
    width: 100%;
    margin-bottom: 30px;
  }
  .container__inner .section2__inner .about1 .photo .right {
    width: 100%;
  }
  .container__inner .section2__inner .about2 {
    padding: 50px 0;
    width: 85%;
    margin: 0 auto;
  }
  .container__inner .section2__inner .about2 h3 {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 50px;
  }
  .container__inner .section2__inner .about2 .photo {
    width: 90%;
    margin: 0 auto;
    margin-bottom: 50px;
  }
  .container__inner .section2__inner .about2 p {
    text-align: center;
    font-size: 0.7rem;
    line-height: 1.5rem;
  }
  .container__inner .section2__inner .about3 {
    width: 85%;
    margin: 0 auto;
  }
  .container__inner .section2__inner .about3 h3 {
    text-align: center;
    font-size: 1.3rem;
    margin-bottom: 50px;
  }
  .container__inner .section2__inner .about3 .photo {
    width: 90%;
    margin: 0 auto;
  }
  .container__inner .section2__inner .about3 .photo img {
    width: 100%;
    height: auto;
  }
  .container__inner .section2__inner .about3 p {
    text-align: center;
    font-size: 0.7rem;
    line-height: 1.5rem;
    margin-bottom: 50px;
  }
  .container__inner .case {
    padding: 100px 0 200px;
  }
  .container__inner .case__inner {
    width: 85%;
  }
  .container__inner .case__inner h3 {
    font-size: 3rem;
  }
}