@media screen and (max-width: 768px) {
  /* FV ========================================== */
  #fv header{
    position: fixed;
    top: 0;
    z-index: 10;
    width: 100%;
  }
  #fv header .inner{
    height: 60px;
    padding: 0 15px;
    margin: 0 auto;     
  }
  #fv header .inner .wrapper .logo img{
    width: 52px;
  }
  #fv header .inner .wrapper .title img{
    width: 136px;
  }
  #fv .header_sp{
    margin-top: 60px;
    height: 60px;
    background-color: #007AFF;
    color: #fff;
    font-size: var(--fs20-32);
    display: flex;
    align-items: center;
    padding-left: 20px;
    position: relative;
  }
  #fv .header_sp h1::before{
    content: "";
    width: 16px;
    height: 1px;
    background-color: #fff;
    position: absolute;
    transform: translateY(-50%);
    top: 50%;
    left: 0;
  }
  #fv .nav_fv .btns{
    flex-flow: column;
  }
  #fv .nav_fv .btns .btn_wrapper_left{
    width: 100%;
  }
  #fv .nav_fv .btns .btn_wrapper_right{
    width: 100%;
  }
  #fv .nav_fv .btns .btn_wrapper_left .btn01{
    background-image: url(../image/fv_bg_01_sp.png);
    height: 380px;
  }    
  #fv .nav_fv .btns .btn_wrapper_right .btn02{
    background-image: url(../image/fv_bg_02_sp.png);
    height: 380px;
  }
  #fv .nav_fv .btns .btn_wrapper_right .btn03{
    background-image: url(../image/fv_bg_03_sp.png);
    height: 380px;
  }
  #en #fv .nav_fv .btns .btn_wrapper_left .btn .btn_txt_top p,
  #en #fv .nav_fv .btns .btn_wrapper_right .btn .btn_txt_top p{
    line-height: 1.3;
  }
  #fv .nav_fv .btns .btn_wrapper_left .btn .btn_txt_bottom p,
  #fv .nav_fv .btns .btn_wrapper_right .btn .btn_txt_bottom p{
    font-weight: normal;
  }
  #fv .nav_fv .btns .btn_wrapper_right .btn .btn_txt_bottom p span{
    white-space: nowrap;
  }
  #fv .nav_fv .btns .btn_wrapper_left .btn .btn_txt_bottom p.click,
  #fv .nav_fv .btns .btn_wrapper_right .btn .btn_txt_bottom p.click{
    margin: 0 0 5px auto;
    padding: 2px 7px;
  }
  .bg_black_sp{
    background-color: #000;
    height: 410px;
  }
  #fv .nav_fv .btns .btn_wrapper_left .btn .btn_txt_top,
  #fv .nav_fv .btns .btn_wrapper_right .btn .btn_txt_top{
    padding: 17px 20px 0 20px;
  }
  #fv .nav_fv .btns .btn_wrapper_left .btn .btn_txt_bottom,
  #fv .nav_fv .btns .btn_wrapper_right .btn .btn_txt_bottom{
    padding: 17px 16px 20px;
  }
  /* ↓js用　ダークモード/非表示 */
  .dark_mode_active{
    background-color: rgba(0, 78, 162, 0.5);
    background-blend-mode: multiply;
  }
  .hidden{
    display: none;
  }


  /* MV ============================== */
  .mv{
    background-image: url(../image/mv_sp.jpg);
  }

  /* 見学のご案内（publicity > exhibition > exhibition_room > hp > index.html） ========================================== */
  /* header ============================== */
  #tour header{
    height: 60px;
  }
  #tour header .inner{
    padding: 0 15px;
  }
  #tour header .inner .logo{
    width: 52px;
  }
  #tour header .inner .wrapper .header_right{
    gap: 16px;
  }
  #tour header .inner .wrapper .language_btn{
    border-radius: 7px;
  }
  #tour header .inner .wrapper .language_btn .btn_en a,
  #tour header .inner .wrapper .language_btn .btn_ja a{
    width: fit-content;
  }

  /* ハンバーガーメニュー ---------------------------- */
  :root{
    scroll-padding: 60px;
    scroll-behavior: smooth;
  }
  .hamburger_container {
    width: 41px;
  }
  .hamburger {
    width: 41px;
    height: 28px;
  }
  .hamburger__line {
    width: 41px;
  }
  .hamburger__line:nth-of-type(2) {
    top: 13px;
  }
  .hamburger__line:nth-of-type(3) {
    top: 26px;
  }
  /* メニューオープン時 ---------------------------- */
  .hamburger.active .hamburger__line:nth-of-type(1) {
    transform: translateY(13px) rotate(-30deg);
  }
  .hamburger.active .hamburger__line:nth-of-type(3) {
    transform: translateY(-13px) rotate(30deg);
  }
  .nav {
    width: 75vw;
  }

  /* 展示内容のご紹介 Introduction of the contents ============================== */
  section.exhibition_content{
    padding: 40px 0 35px;
  }
  section.exhibition_content .heading h2{
    margin-bottom: 8px;
  }
  /* 展示内容のご紹介　見出し ---------------------------- */
  section.exhibition_content .heading{
    margin: 50px auto 0;
    width: 90%;
  }
  section.exhibition_content .heading h2{
    margin-bottom: 8px;
  }
  /* 展示内容のご紹介　スライダー ---------------------------- */
  .slick-slide > div{
    display: flex;
    justify-content: center;
  }
  .slider_content{
    background-color: #fff;
    width: 97%!important;
    padding: 40px 20px 60px;
    border-radius: 24px;
    height: fit-content;
  }
  #double-slider{
    width:95%;
    margin: 0 auto 0;
    align-items: start;
    flex-flow: column;
  }
  /* 展示内容のご紹介　スライダー　見出し ---------------------------- */
  .slider_content h3{
    margin-bottom: 14px;
  }
  /* 展示内容のご紹介　スライダー　コンテンツ ---------------------------- */
  .slider_content .flex_wrapper .list-area{
    width: 100%;
  }
  .slider_content.no11 .flex_wrapper .list-area{
    width: 100%;
  }
  .slider_content .flex_wrapper .list-area ul li:has(a)::after{
    width: 28px;
    height: 28px;
  }
  /* スライダーの横幅 ---------------------------- */
  #main-slider{
    width:95%;
  }
  #sub-slider{
    width:100%;
    margin:30px auto 0;
  }
  /* 矢印 ---------------------------- */
  #main-slider .slick-next{
    right:-10px!important;
  }
  #main-slider .slick-prev{
    left:-10px!important;
  }
  .slick-prev,
  .slick-next{
    top: 170px!important;
  }
  .slick-prev{
    left: 31px;
  }
  .slick-prev:before {
    background-image: url(../image/arrow_prev_sp.svg);
    width: 24px;
    height: 38px;
    font-size: unset!important;
  }
  .slick-next{
    right: 31px;
  }
  .slick-next:before {
    background-image: url(../image/arrow_next_sp.svg);
    width: 24px;
    height: 38px;
    font-size: unset!important;
  }
  /* ページネーション ---------------------------- */
  .slick-dots {
    bottom: -24px!important;
  }
  .slick-dots li{
    width: 10px!important;
    height: 10px!important;
  }

  /* ご利用案内 共通 ============================== */
  section .container{
    border-radius: 18px;
    padding: 37px 20px 60px;
    width: 90%;
  }
  section .container .heading h2{
    margin-bottom: 8px;
  }
  section .container .heading p{
    letter-spacing: 1px;
  }
  section .container table{
    margin-top: 25px;
  }
  section .container table th{
    font-size: 1.6rem;
    width: 100%;
    display: block;
    line-height: 2.3;
  }
  section .container table td{
    width: 100%;
    display: block;
  }
  #en section .container table th{
  width: 100%;
  }
  #en section .container table td{
    width: 100%;
  }
  section .container table td a.mail{
    color: var(--blue);
    text-decoration: underline;
    font-weight: bold;
  }

  /* ご利用案内 Information ============================== */
  section.Information{
    background-image: url(../image/bg_information_sp.jpg);
    padding: 60px 0;
  }
  #en section.Information .container{
    padding-bottom: 30px;
  }
  section.Information img.mail{
    width: 50%;
    padding-bottom: 5px;
  }
  /* 見学のご案内 Tour Information ============================== */
  section.tour_information{
    background-image: url(../image/bg_tour_information_sp.jpg);
    padding: 60px 0;
  }
  #en section.tour_information .container{
    padding-bottom: 45px;
  }
  section.tour_information .container .txt{
    margin: 34px 0 16px;
    line-height: 1.5;
  }
  #en section.tour_information .container .txt{
    line-height: 1.8;
  }
  section.tour_information .container table tr td{
    padding-bottom: 16px;
  }
  section.tour_information .container table tr td .img_box:nth-child(3){
    margin: 16px 0 10px;
  }
  section.tour_information .container table tr td .img_box:nth-child(4){
    margin: 0 0 16px;
  }
  /* section.tour_information .container table tr td span{
    text-decoration: underline;
    font-weight: bold;
  } */
  section.tour_information .container table tr th,
  section.tour_information .container table tr td{
    display: block;
    width: 100%;
  }
  #en section.tour_information .container table tr:nth-child(1) td{
    padding-left: 2rem;
    text-indent: -2rem;
  }
  #en section.tour_information .container table tr:nth-child(1) td b{
    margin-left: -2rem;
  }
  #en section.tour_information .container table tr:nth-child(1) td b:first-child{
    margin-left: 0rem;
  }
  section.tour_information img.mail{
  width: 50%;
  padding-bottom: 5px;
}

  /* 交通案内 Access ============================== */
  section.access{
    background-image: url(../image/bg_access_sp.jpg);
    padding: 60px 0;
  }
  section.access table{
    width: 100%;
    margin-top: 40px!important;
  }
  section.access table tr td{
    font-size: 1.6rem;
  }
  section.access .container table tr td .img_box:nth-child(3){
  margin: 20px 0 35px;
  }
  section.access table tr td:has(iframe){
    padding-bottom: 0!important;
  }
  section.access table tr iframe{
    width: calc(100% + 40px);
    margin-left: -20px;
  }
  
  /* footer ============================== */
  footer .footer_wrapper{
    height: 84px;
  }
  footer .footer_wrapper .inner{
    padding: 0;
  }
  footer .footer_wrapper .inner .logo{
    margin: 0 auto;
  }
  footer .copyright_wrapper{
    height: 84px;
  }
  footer .copyright_wrapper .inner{
    text-align: left;
    width: 90%;
  }
  footer .copyright_wrapper .inner small{
    line-height: 1.5;
  }
  
}