@charset "utf-8";
/* CSS Document */
@media only screen and (max-width: 1280px) {
  .r_title_contents h2 span {
    position: absolute;
    top: -100px;
    left: 10px;
    width: 200px;
  }
  .r_title_contents h2 span img {
    width: 100%;
    height: auto;
  }
  ul.member li img {
    width: 130px;
    height: 130px;
    object-fit: cover;
    display: block;
    object-position: top;
    border-radius: 300px;
    margin: 0 auto 10px;
  }
}
@media only screen and (max-width: 768px) {
  /* main
------------------------------------------------- */
  img {
    max-width: 100%;
    height: auto;
  }
  .br {
    display: none;
  }
  .pc_none {
    display: block;
  }
  body {
    font-size: 1.5rem;
    line-height: 1.6;
  }
  /* header
------------------------------------------------- */
  h1.logo a {
    width: 180px;
    height: 180px;
    top: -120px;
    padding-top: 100px;
  }
  h1.logo img {
    width: 120px;
  }
  .r_title_contents {
    padding-top: 100px;
    text-align: center;
  }
  .r_title_contents h2 {
    text-align: center;
    position: relative;
    display: inline-block;
    max-width: 1280px;
    margin: auto;
    padding: 0 4%;
    box-sizing: border-box;
  }
  .r_title_contents h2 span {
    width: 100px;
    top: -50px;
  }
  .r_title_contents h3 {
    margin: -10px auto 0;
  }
  .r_title_contents h3 img {
    width: 50%;
  }
  .r_title_contents h3 img:first-child {
    width: 20%;
  }
  .main_bg {
    margin: 30px auto 50px;
    padding: 50px 15% 20px;
  }
  dl.shikai {
    margin: 0 auto 50px;
    font-size: 1.5rem;
    justify-content: space-between;
  }
  dl.shikai dt {
    width: 70px;
  }
  dl.shikai dd {
    width: calc(100% - 90px);
  }
  ul.member {
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 30px;
    padding: 0 4%;
  }
  ul.member li {
    width: 46%;
    font-size: 1.3rem;
    margin: 0 0 50px;
  }
  ul.member li span {
    font-size: 1.6rem;
  }
  ul.member li img {
    width: 120px;
    height: 120px;
  }
  section.talk_contents {
    margin: 0 auto 100px;
  }
  section.talk_contents h1 {
    font-size: 3rem;
    margin-bottom: 30px;
  }
  section.talk_contents h1 span {
    font-size: 1.5rem;
    padding-bottom: 5px;
    margin-bottom: 5px;
  }
  section.talk_contents h1 span:after {
    height: 5px;
    width: 70px;
  }
  dl.talk {
    margin-bottom: 40px;
  }
  dl.talk dt {
    width: 60px;
  }
  dl.talk dt img {
    width: 60px;
    height: 60px;
  }
  dl.talk dd {
    width: calc(100% - 80px);
    padding: 10px;
    border: solid 2px #333;
    border-radius: 10px;
    margin-top: 0;
  }
  /* beforeで枠線の三角を表現 */
  dl.talk dd::before {
    left: -10px;
    top: 10px;
    border-right: 10px solid #333;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
  }
  dl.talk dd::after {
    left: -7px;
    top: 10px;
    border-right: 10px solid #fff;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
  }
  /* footer
------------------------------------------------- */
  footer {
    padding: 60px 0 50px;
  }
  footer:before {
    background-size: 36px 13px;
  }
  .site_link {
    font-size: 1.4rem;
  }
  .site_link a {
    padding: 8px 20px;
  }
  #page-top {
    position: fixed;
    bottom: 20px;
    right: 3%;
  }
  #page-top a {
    width: 40px;
    height: 40px;
  }
  #page-top a:before {
    width: 10px;
    height: 10px;
    border-top: 2px solid #FFF;
    border-right: 2px solid #FFF;
  }
  /* アコーディオン */
  /* ボタン */
  .accordion-btn {
    width: 50px;
    height: 50px;
    line-height: 50px;
    bottom: -25px;
    font-size: 15px;
  }
  .accordion-btn::before {
    bottom: 8px;
    width: 4px;
    height: 4px;
    border-top: 2px solid #fff;
    border-right: 2px solid #fff;
  }
  /* 閉じるボタンの位置 */
  .accordion-btn.is-show {
    bottom: -2em;
  }
  .accordion-btn.is-show::before {
    top: -14px;
    width: 4px;
    height: 4px;
    border-top: 2px solid #fff;
    border-right: 2px solid #fff;
  }
}