@media screen and (max-width: 768px) {
body {
  margin: 0;
  background-color: #fff;
}
.pc {
  display: none !important;
}
ol {
  padding-left: 20px;
}
.mv video {
  margin-top: -60px;
}
.bx-wrapper {
  box-shadow: none !important;
}
.bx-viewport {
  height: 500px !important;
  margin-top: 45px;
}
.bx-wrapper img {
  width: 100% !important;
  height: 500px !important;
  object-fit: cover;
}
.slider_box {
  padding: 14px;
}
.padding_20 {
  padding: 20px !important;
}
.mt_0 {
  margin-top: 0 !important;
}
.pt_100 {
  padding-top: 100px !important;
}

.sp_logo {
  width: 80%;
  margin-top: 13px;
  margin-left: 10px;
}
.flex_sp_center {
  display: flex;
  justify-content: center;
  align-items: center;
}
.menu-btn {
    position: fixed;
    top: 5px;
    right: 10px;
    display: flex;
    height: 50px;
    width: 50px;
    justify-content: center;
    align-items: center;
    z-index: 90;
}
.menu-btn span,
.menu-btn span:before,
.menu-btn span:after {
    content: '';
    display: block;
    height: 3px;
    width: 25px;
    border-radius: 3px;
    background-color: #ffffff;
    position: absolute;
}
.menu-btn span:before {
    bottom: 8px;
}
.menu-btn span:after {
    top: 8px;
}
#menu-btn-check:checked ~ .menu-btn span {
    background-color: rgba(255, 255, 255, 0);/*メニューオープン時は真ん中の線を透明にする*/
}
#menu-btn-check:checked ~ .menu-btn span::before {
    bottom: 0;
    transform: rotate(45deg);
}
#menu-btn-check:checked ~ .menu-btn span::after {
    top: 0;
    transform: rotate(-45deg);
}
#menu-btn-check {
    display: none;
}

.menu-content {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 100%;/*leftの値を変更してメニューを画面外へ*/
    z-index: 80;
    background-color: #3f4375;
    transition: all 0.5s;/*アニメーション設定*/
}
.menu-content ul {
    padding: 30px 10px 0;
    text-align: center;
}
.menu-content ul li {
    list-style: none;
}
.menu-content ul li a {
    display: block;
    width: 100%;
    font-size: 18px;
    box-sizing: border-box;
    color:#ffffff;
    text-decoration: none;
    padding: 20px 15px 10px 0;
    position: relative;
}
/* .menu-content ul li a::before {
    content: "";
    width: 7px;
    height: 7px;
    border-top: solid 2px #ffffff;
    border-right: solid 2px #ffffff;
    transform: rotate(45deg);
    position: absolute;
    right: 11px;
    top: 16px;
} */
#menu-btn-check:checked ~ .menu-content {
    left: 0;/*メニューを画面内へ*/
}

/* footer */
.flex_top {
  height: 60px;
}
.footer_logo_01 {
  width: 320px;
  margin-top: 16px;

}
.footer_flex {
  margin-bottom: 0;
  text-align: center;
  margin-top: 30px;
}
.footer_flex_sp {
  display: flex;
}
.footer_flex_sp > li > a {
  margin: 10px;
}
.footer_flex > li {
  margin: 0;
}

.footer_logo_02 {
  width: 90%;
  margin-left: -34px;
  margin-top: 20px;
  margin-bottom: 20px;
}
.footer_logo_03 {
  width: 90%;
  margin-left: -34px;
  margin-bottom: 40px;
}
/* footer */

/* index.php */
.news_content {
  width: 100%;
  padding: 0;
}
.news_title {
  padding: 30px;
}
.top_slider > img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}
/* index.php */
/* archives.php */
.archives {
  background-color: #fff;
  padding-top: 80px;
}
.archives_sub_sp {
  background-color: #fff;
  padding-top: 10px;
}
.archives_content {
  margin-top: 0;
  width: 90%;
}
.archives_title_top {
  background-color: #fff;
  padding-bottom: 20px;
  padding-left: 20px;
}
.archives_title {
  padding: 20px;
}
.archives_title > img {
  height: 300px;
}
.archives_title_sp{
  padding: 0;
}
.archives_text_sp {
  padding: 20px;
  padding-top: 0;
}
/* archives.php */
/* guide.php */
.privacy00 {
  display: block;
  padding-bottom: 0;
}
.privacy02 {
  width: 100%;
  padding-top: 10px;
  padding-bottom: 40px;
}
.privacy01 {
  padding: 0;
}
.mb_10 {
  margin-bottom: 10px;
}
.guide_button {
  width: 270px;
  padding: 10px 20px !important;
}
/* guide.php */
/* exhibits.php */
.exhibits_title_top {
  background-color: #fff;
}
.exhibits_center {
  padding-left: 0;
  padding-right: 0;
  padding-top: 40px;
}


.exhibits_world01 {
  position: absolute;
  top: 45%;
  left: 5%;
  padding: 20px;
  z-index: 0;
  display: inline-block;
  text-align: left;
}
.exhibits_img01 {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  padding: 20px;
  z-index: 0;
}
.exhibits_img01 > img {
  width: 90%;
}
.exhibits_world02 {
  position: absolute;
  top: 40%;
  left: 5%;
  padding: 20px;
  z-index: 0;
  display: inline-block;
  text-align: left;
}
.exhibits_img02 {
  position: absolute;
  top: 30%;
  left: 52%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  padding: 20px;
  z-index: 0;
}
.exhibits_img02 > img {
  width: 260px;
}
.exhibits_world03 {
  position: absolute;
  top: 45%;
  left: 5%;
  padding: 20px;
  z-index: 0;
  display: inline-block;
  text-align: left;
}
.exhibits_img03 {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  padding: 20px;
  z-index: 0;
}
.exhibits_img03 > img {
  width: 90%;
}
.exhibits_world04 {
  position: absolute;
  top: 30%;
  left: 5%;
  padding: 20px;
  z-index: 0;
  display: inline-block;
  text-align: left;
}
.exhibits_img04 {
  position: absolute;
  top: 22%;
  left: 52%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  padding: 20px;
  z-index: 0;
}
.exhibits_img04 > img {
  width: 180px;
}
.exhibits_world05 {
  position: absolute;
  top: 6%;
  left: 4%;
  padding: 20px;
  z-index: 0;
  display: inline-block;
  text-align: left;
  padding-top: 0;
}
.exhibits_world05 > h3 {
  margin-left: 12px;
}
.exhibits_world05 > p {
  margin-right: 10px;
  margin-left: 10px;
}
.mv iframe {
  height: 200px;
}
.exhibits_title h3 {
  font-size: 1.4rem:
}
.exhibits_text p {
  font-size: 15px;
  padding: 4px;
}
.strong_title {
  color: #10175a;
  font-weight: 500;
  font-size: 1.3rem;
}
/* exhibits.php */

/* access.php */
.access_title {
  padding: 0;
}
.access_title h3 {
  padding-top: 0;
}
.access_content {
  width: 80%;

}
.access_content_sub {
  width: 90%;
  margin: auto;
}
.access_content_sub > img {
  width: 100%;
}
.access_title_top {
  background-color: #fff;
  padding-bottom: 20px;
}
/* access.php */

/* contact.php */
#sp_thank {
  padding: 0 !important;
}
.contact_title {
  padding-top: 0;
}
.contact-area {
  margin: 0;
  padding: 0;
}
.contact-bg {
  margin: 20px auto 0;
  padding: 0;
}
.input-area {
  width: 100% !important;
  margin: auto;
}
.table-list th {
  width: 100%;
}
th select {
  width: 100% !important;
  margin: auto;
}
.table-list th textarea {
  width: 92% !important;
  margin: auto;
}
.submit-button {
  padding: 10px 50px;
  margin-top: 10px;
}
.mv {
  text-align: center;
}
.mv iframe {
  width: 95%;
  margin-left: auto;
  margin-right: auto;
  height: calc(120vw - 260px);
}
/* contact.php */



}