body.active {
    height: 100%;
    overflow: hidden;
  }
  .header {
    width: 100vw;
    position: fixed;
    padding: 30px 20px 0;
    z-index: 10;
  }
  .header h1 {
    position: absolute;
    width: 10%;
    top: 45px;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .header h1 img {
    -webkit-filter: drop-shadow(
      0px 3px 10px rgba(255, 255, 255, 0.8)
    ); /* SafariなどのWebkitブラウザ用 */
    filter: drop-shadow(1px 1px 1px rgba(0, 0, 0, 0.18));
  }
  .header h1 a {
    display: block;
  }
  .btn {
    width: 35px;
    height: 35px;
    position: absolute;
    top: 30px;
    right: 20px;
    padding: 0;
    border: none;
    outline: none;
    font: inherit;
    color: inherit;
    background: none;
    cursor: pointer;
    z-index: 30;
  }
  .btn span:nth-child(1) {
    display: block;
    position: relative;
    width: 35px;
    height: 1px;
    background: #333;
    box-shadow: 0 1px 3px #c7c7c7;
    margin-bottom: 20px;
    transition: all 0.4s;
  }
  .btn span:nth-child(2) {
    display: block;
    position: absolute;
    top: 10px;
    width: 35px;
    height: 1px;
    background: #333;
    box-shadow: 0 1px 3px #c7c7c7;
    transition: all 0.4s;
  }
  .btn .btn_text {
    display: block;
    font-size: 1.2rem;
    color: #333;
    text-align: center;
    text-shadow: 0 1px 3px #c7c7c7;
  }
  .btn.close .btn_text {
    display: none;
  }
  .btn.close span:nth-child(1) {
    background: #333;
    width: 28px;
    transform: translateY(8px) rotate(45deg);
  }
  .btn.close span:nth-child(2) {
    background: #333;
    width: 28px;
    transform: translateY(5px) rotate(-45deg);
  }
  .navigation_list {
    width: 100vw;
    height: 100vh;
    transform: translateX(100%);
    background: #fff;
    position: fixed;
    top: 0;
    left: 0;
    background-image: url("../image/coollab_logo_bk.svg");
    background-repeat: no-repeat;
    background-size: 10%;
    background-position: top 31px center;
    transition: transform 1s;
    padding: 140px 30px;
  }
  .navigation_list a {
    display: block;
    font-size: 1rem;
    letter-spacing: 0.1em;
    color: #333;
    text-decoration: none;
    text-transform: uppercase;
  }
  .navigation_list a:nth-child(1),
  .navigation_list a:nth-child(2),
  .navigation_list a:nth-child(3) {
    margin-bottom: 40px;
  }
  .navigation_list_concept a::before {
    content: "Our Concept";
    display: block;
    font-size: 1.4rem;
    letter-spacing: 0.06em;
    text-transform: capitalize;
    padding-bottom: 8px;
  }
  .navigation_list_company a::before {
    content: "Company";
    display: block;
    font-size: 1.4rem;
    letter-spacing: 0.06em;
    text-transform: capitalize;
    padding-bottom: 8px;
  }
  .navigation_list_business a::before {
    content: "Our Business";
    display: block;
    font-size: 1.4rem;
    letter-spacing: 0.06em;
    text-transform: capitalize;
    padding-bottom: 8px;
  }
  .navigation_list_contact a::before {
    content: "Contact";
    display: block;
    font-size: 1.4rem;
    letter-spacing: 0.06em;
    text-transform: capitalize;
    padding-bottom: 8px;
  }
  .navigation_list.open {
    transform: translateX(0);
    transition: transform 1s;
    height: 100vh;
    opacity: 1;
    z-index: 20;
  }
  
  /*ヘッダー*/
  /*ヘッダー 768px以上*/
  @media (min-width: 768px) {
    .header {
      padding: 40px 80px 0;
    }
    .header h1 {
      top: 55px;
      width: 7%;
    }
    .btn {
      width: 40px;
      height: 40px;
      position: absolute;
      top: 40px;
      right: 30px;
    }
    .btn span:nth-child(1) {
      width: 40px;
      height: 1px;
      margin-bottom: 18px;
    }
    .btn.close span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }
    .btn span:nth-child(2) {
      width: 40px;
      height: 1px;
      top: 12px;
    }
    .btn .btn_text {
      font-size: 1.4rem;
    }
    .navigation_list {
      background-size: 7%;
      background-position: top 40px center;
    }
    .navigation_list a {
      display: block;
      font-size: 1rem;
      letter-spacing: 0.1em;
      color: #333;
      text-decoration: none;
      text-transform: uppercase;
    }
    .navigation_list a:nth-child(1),
    .navigation_list a:nth-child(2),
    .navigation_list a:nth-child(3) {
      margin-bottom: 60px;
    }
    .navigation_list_concept a::before {
      font-size: 1.6rem;
      letter-spacing: 0.06em;
      padding-bottom: 8px;
    }
    .navigation_list_company a::before {
      font-size: 1.6rem;
      letter-spacing: 0.06em;
      padding-bottom: 8px;
    }
    .navigation_list_business a::before {
      font-size: 1.6rem;
      letter-spacing: 0.06em;
      padding-bottom: 8px;
    }
    .navigation_list_contact a::before {
      font-size: 1.6rem;
      letter-spacing: 0.06em;
      padding-bottom: 8px;
    }
  }
  /*ヘッダー 1100px以上*/
  @media (min-width: 1100px) {
    .header h1 {
      top: 70px;
      width: 5%;
      z-index: 10;
    }
    .btn {
      display: none;
    }
    .navigation_list {
      height: auto;
      transform: none;
      background-color: transparent;
      background-image: none;
      padding: 52px 50px 0;
    }
    .navigation_list ul {
      width: 50vw;
      display: flex;
      justify-content: space-between;
      flex-wrap: nowrap;
      margin-left: auto;
      padding-left: 10%;
    }
    .navigation_list ul li a {
      font-size: 1.6rem;
      color: #333;
      text-shadow: 0 1px 3px #c7c7c7;
      letter-spacing: 0;
    }
    .navigation_list_concept a::before,
    .navigation_list_company a::before,
    .navigation_list_business a::before,
    .navigation_list_contact a::before {
      content: "";
    }
  }
  .company {
    padding: 160px 30px 50px;
  }
  .company h2 {
    font-size: 4.0rem;
    letter-spacing: 0.06em;
    font-weight: 100;
    text-align: center;
    margin-bottom: 100px;
  }
  .company h2::after {
    content: "会社概要";
    display: block;
    font-size: 1.2rem;
    padding-top: 15px;
  }
  .company__inner__flex {
    border-bottom: solid 1px #D8D8D8;
    margin-bottom: 30px;
  }
  .company__inner dt {
    font-size: 1.6rem;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
  }
  .company__inner dd {
    font-size: 1.3rem;
    letter-spacing: 0.06em;
    padding-bottom: 30px;
    line-height: 2.5rem;
    pointer-events: none;
  }
  .company__inner__flex dd a {
    pointer-events: none;
    color: #333;
  }
  @media(min-width:1100px) {
    .company {
    padding: 280px 30px 100px;
    }
    .company h2 {
    font-size: 11.0rem;
    font-weight: 100;
    line-height: 11.0rem;
    letter-spacing: 0.08em;
  }
  .company h2::after {
    font-size: 2.2rem;
    line-height: 2.2rem;
    padding-top: 35px;
    margin-bottom: 200px;
  }
  .company__inner {
    max-width: 1000px;
    margin: 0 auto;
  }
  .company__inner__flex {
    display: flex;
    align-items: baseline;
    padding-bottom: 40px;
    margin-bottom: 40px;
  }
  .company__inner dt {
    width: 30%;
    font-size: 1.9rem;
    letter-spacing: 0.05em;
    margin: 0;
  }
  .company__inner dd {
    font-size: 1.9rem;
    letter-spacing: 0.11em;
    line-height: 4.2rem;
    padding: 0px;
  }
  }



/* フッター */
.footer {
    background: #504a41;
  }
  .footer__inner {
    padding: 50px 30px 35px;
  }
  .footer__logo {
    text-align: center;
    margin-bottom: 50px;
  }
  .footer__logo img {
    width: 17%;
  }
  .footer__link ul li {
    font-size: 1.6rem;
    letter-spacing: 0.1em;
    margin-bottom: 30px;
  }
  .footer__link__small a {
    font-size: 1rem;
  }
  .footer__link ul li:last-of-type {
    margin-bottom: 0;
  }
  .footer__copyright {
    font-size: 1.2rem;
    color: #fff;
    text-align: center;
    letter-spacing: 0.1em;
    line-height: 1.5rem;
    margin-top: 100px;
  }
.footer_instagram_icon {
  width: 24px;
  height: 24px;
}
  .footer__copyright__bottom {
    display: block;
    margin-bottom: 10px;
  }
  @media (min-width: 768px) {
    .footer__inner {
      padding: 50px 75px 55px;
    }
    .footer__logo img {
      width: 12%;
    }
    .footer__link ul li {
      margin-bottom: 45px;
    }
    .footer__copyright {
      margin-top: 80px;
      line-height: 1.8rem;
    }
  }
  @media (min-width: 1100px) {
    .footer__inner {
      padding: 50px 0;
      max-width: 1000px;
      margin: 0 auto;
    }
    .footer__logo {
      text-align: left;
    }
    .footer__logo img {
      width: 6%;
    }
    .footer__copyright {
      margin-top: 45px;
    }
  }