@charset "UTF-8";
/* http://meyerweb.com/eric/tools/css/reset/
v2.0 | 20110126
License: none (public domain)
*/
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap");
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}

body {
  line-height: 1;
}

ol, ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
  content: "";
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

.animate .fadein {
  opacity: 0;
  transform-style: preserve-3d;
  transition-property: opacity;
  transition-duration: 2000ms;
  transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
  transition-delay: 0ms;
}
.animate.show .fadein {
  opacity: 1;
}
.animate .slidein_left {
  opacity: 0;
  transform: translateX(-100px);
  transform-style: preserve-3d;
  transition-property: opacity, transform;
  transition-duration: 1000ms;
  transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
  transition-delay: 0ms;
}
.animate .slidein_right {
  opacity: 0;
  transform: translateX(100px);
  transform-style: preserve-3d;
  transition-property: opacity, transform;
  transition-duration: 1000ms;
  transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
  transition-delay: 0ms;
}
.animate.show .slidein_left, .animate.show .slidein_right {
  opacity: 1;
  transform: translateX(0);
}
.animate .slidein_top {
  opacity: 0;
  transform: translateY(-20px);
  transform-style: preserve-3d;
  transition-property: opacity, transform;
  transition-duration: 1000ms;
  transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
  transition-delay: 0ms;
}
.animate .slidein_bottom {
  opacity: 0;
  transform: translateY(20px);
  transform-style: preserve-3d;
  transition-property: opacity, transform;
  transition-duration: 1000ms;
  transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
  transition-delay: 0ms;
}
.animate.show .slidein_top, .animate.show .slidein_bottom {
  opacity: 1;
  transform: translateY(0);
}
.animate .zoomout {
  opacity: 0;
  transform: scale(1.5, 1.5);
  transform-style: preserve-3d;
  transition-property: opacity, transform;
  transition-duration: 500ms;
  transition-delay: 0ms;
}
.animate .zoomin {
  opacity: 0;
  transform: scale(0.5, 0.5);
  transform-style: preserve-3d;
  transition-property: opacity, transform;
  transition-duration: 500ms;
  transition-delay: 0ms;
}
.animate.show .zoomin, .animate.show .zoomout {
  opacity: 1;
  transform: scale(1, 1);
}
.animate .d1 {
  transition-delay: 100ms;
}
.animate .d2 {
  transition-delay: 200ms;
}
.animate .d3 {
  transition-delay: 300ms;
}
.animate .d4 {
  transition-delay: 400ms;
}
.animate .d5 {
  transition-delay: 500ms;
}
.animate .d6 {
  transition-delay: 600ms;
}
.animate .d7 {
  transition-delay: 700ms;
}
.animate .d8 {
  transition-delay: 800ms;
}
.animate .d9 {
  transition-delay: 900ms;
}
.animate .d10 {
  transition-delay: 1000ms;
}
.animate .d11 {
  transition-delay: 1100ms;
}
.animate .d12 {
  transition-delay: 1200ms;
}
.animate .d13 {
  transition-delay: 1300ms;
}
.animate .d14 {
  transition-delay: 1400ms;
}
.animate .d15 {
  transition-delay: 1500ms;
}
.animate .d16 {
  transition-delay: 1600ms;
}
.animate .d17 {
  transition-delay: 1700ms;
}
.animate .d18 {
  transition-delay: 1800ms;
}
.animate .d19 {
  transition-delay: 1900ms;
}
.animate .d20 {
  transition-delay: 2000ms;
}

body {
  font-family: "Noto Sans JP", "ヒラギノ角ゴ ProN", "Hiragino Kaku Gothic ProN", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  -webkit-text-size-adjust: 100%;
}
body a {
  outline: none;
  color: inherit;
  text-decoration: none;
}
body a:hover {
  text-decoration: none;
}
body a.nolink {
  pointer-events: none;
}
body img {
  vertical-align: bottom;
  border: 0;
  outline: none;
}
body sup, body sub {
  height: 0;
  line-height: 1;
  vertical-align: baseline;
  position: relative;
  font-size: 50%;
}
body sup {
  bottom: 1ex;
}
body sub {
  top: 0.5ex;
}
body input, body textarea, body select, body button {
  padding: 0;
  box-sizing: border-box;
  border: 0;
  border-radius: 0;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
body input::-ms-expand, body textarea::-ms-expand, body select::-ms-expand, body button::-ms-expand {
  display: none;
}
body .word_break {
  word-wrap: break-word;
  word-break: break-all;
}
body * {
  outline: none;
}
body *:hover, body *:active, body *:focus {
  outline: none;
}

@media screen and (min-width: 768px) {
  body {
    min-width: 1280px;
    background: url("../image/common/bg_main.png") repeat center top/40px 40px;
  }
  main {
    width: 100%;
    min-height: 100vh;
  }
  main .inner {
    margin: 0 auto;
    width: 1260px;
  }
  main .inner:after {
    content: "";
    display: block;
    float: none;
    clear: both;
  }
  main img {
    line-height: 0;
    width: 100%;
    height: auto;
  }
  header {
    width: 100%;
    height: 100px;
    background: #000000;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
  }
  header p.logo {
    margin: 14px 0 0 5px;
    float: left;
    width: 137px;
  }
  header p.logo a {
    display: block;
    line-height: 0;
  }
  header nav {
    float: right;
  }
  header nav p.menu_btn {
    display: none;
  }
  header nav .menu_inner {
    margin: 34px 0 0 0;
  }
  header nav .menu_inner .scroll {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 26px;
  }
  header nav .menu_inner ul {
    display: flex;
    justify-content: start-end;
    align-items: center;
    gap: 0 12px;
  }
  header nav .menu_inner ul li a {
    padding: 10px 5px;
    display: block;
    position: relative;
    font-size: 12px;
    color: #ffffff;
  }
  header nav .menu_inner ul li a:after {
    content: "";
    width: 0;
    height: 1px;
    display: block;
    background: #ffffff;
    position: absolute;
    left: 50%;
    bottom: 5px;
    transform-style: preserve-3d;
    transition-property: width, left;
    transition-duration: 200ms;
    transition-timing-function: cubic-bezier(0.645, 0.045, 0.355, 1);
    transition-delay: 0ms;
  }
  header nav .menu_inner ul li a:hover:after {
    width: 100%;
    left: 0;
  }
  header nav .menu_inner p.museum a {
    width: 110px;
    height: 26px;
    display: block;
    border: 2px solid #ffffff;
    border-radius: 15px;
    box-sizing: border-box;
    font-size: 12px;
    line-height: 22px;
    text-align: center;
    color: #ffffff;
    transform-style: preserve-3d;
    transition-property: background, color;
    transition-duration: 200ms;
    transition-timing-function: linear;
    transition-delay: 0ms;
  }
  header nav .menu_inner p.museum a:hover {
    background: #ffffff;
    color: #000000;
  }
  header nav .menu_inner p.lang a {
    font-size: 12px;
    line-height: 22px;
    text-align: center;
    color: #ffffff;
  }
  header nav .menu_inner p.lang a:hover {
    text-decoration: underline;
  }
  article {
    padding-top: 100px;
    width: 100%;
    overflow: hidden;
  }
  article section {
    position: relative;
  }
  article section.wave_bg {
    background: #f7aa1e;
  }
  article section.wave_bg:before, article section.wave_bg:after {
    content: "";
    width: 100%;
    height: 45px;
    position: absolute;
    left: 0;
    background-repeat: repeat-x;
    background-size: 150px 45px;
    clear: both;
  }
  article section.wave_bg:before {
    background-image: url("../image/top/bg_wave_top.png");
    background-position: center bottom;
    top: -45px;
  }
  article section.wave_bg:after {
    background-image: url("../image/top/bg_wave_bottom.png");
    background-position: center top;
    bottom: -45px;
  }
  article section .move_cloud {
    position: absolute;
  }
  footer {
    padding: 60px 0;
    width: 100%;
    height: 360px;
    box-sizing: border-box;
    background: #505050;
    overflow: hidden;
    color: #ffffff;
  }
  footer .inner {
    position: relative;
  }
  footer nav {
    float: right;
    line-height: 35px;
    font-size: 12px;
  }
  footer nav > ul {
    display: flex;
    justify-content: flex-end;
    align-items: flex-start;
    gap: 30px;
  }
  footer nav > ul li a {
    display: block;
  }
  footer nav > ul li a:hover {
    text-decoration: underline;
  }
  footer nav > ul > li a {
    margin-bottom: 10px;
  }
  footer ul.logo {
    position: absolute;
    left: 0;
    bottom: 0;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 22px;
  }
  footer ul.logo li.rekibun {
    width: 80.5px;
  }
  footer ul.logo li.tokyo {
    width: 114.5px;
  }
  footer ul.logo li a {
    display: block;
    opacity: 1;
    transform-style: preserve-3d;
    transition-property: opacity;
    transition-duration: 300ms;
    transition-timing-function: linear;
    transition-delay: 0ms;
  }
  footer ul.logo li a:hover {
    opacity: 0.8;
  }
  footer p.address {
    position: absolute;
    left: 0;
    top: 0;
    line-height: 34px;
    font-size: 12px;
  }
  .img_mw {
    position: relative;
  }
  .img_mw span {
    height: 1px;
    width: 1px;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    clip: rect(1px, 1px, 1px, 1px);
    overflow: hidden;
  }
  .mw_image {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
  }
  .mw_image .bg {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 101;
    background: rgba(0, 0, 0, 0.8);
  }
  .mw_image .frame .image {
    width: 500px;
    height: 500px;
    position: absolute;
    top: calc(50% - 250px);
    left: calc(50% - 250px);
    z-index: 102;
  }
  .mw_image .frame .image p.close {
    position: absolute;
    top: 0;
    right: calc(50% - 295px);
  }
  .mw_image .frame .image p.close button {
    width: 50px;
    height: 50px;
    display: block;
    background: transparent;
    cursor: pointer;
    transform-style: preserve-3d;
    transition-property: transform;
    transition-duration: 200ms;
    transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    transition-delay: 0ms;
    position: relative;
  }
  .mw_image .frame .image p.close button span {
    height: 1px;
    width: 1px;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    clip: rect(1px, 1px, 1px, 1px);
    overflow: hidden;
  }
  .mw_image .frame .image p.close button:hover {
    transform: scale(1.1);
  }
  .mw_image .frame .image p.close button:before, .mw_image .frame .image p.close button:after {
    content: "";
    width: 40px;
    height: 4px;
    display: block;
    background: #3e1803;
    position: absolute;
    left: calc(50% - 20px);
    top: calc(50% - 2px);
  }
  .mw_image .frame .image p.close button:before {
    transform: rotate(45deg);
  }
  .mw_image .frame .image p.close button:after {
    transform: rotate(-45deg);
  }
  .mw_image .frame .image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }
  .pc_none {
    display: none !important;
  }
}
@media screen and (max-width: 767px) {
  body {
    min-width: 375px;
    background: url("../image/common/bg_main.png") repeat center top/30px 30px;
  }
  main {
    width: 100%;
    min-height: 100vh;
  }
  main .inner {
    margin: 0 auto;
    padding: 0 18px;
  }
  main .inner:after {
    content: "";
    display: block;
    float: none;
    clear: both;
  }
  main img {
    line-height: 0;
    width: 100%;
    height: auto;
  }
  header {
    width: 100%;
    height: 50px;
    background: #000000;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
  }
  header p.logo {
    margin: 10px 0 0 0;
    float: left;
    width: 57px;
  }
  header p.logo a {
    display: block;
    line-height: 0;
  }
  header nav p.menu_btn {
    width: 50px;
    height: 50px;
    position: absolute;
    top: 0;
    right: 0;
  }
  header nav p.menu_btn button {
    width: 100%;
    height: 100%;
    display: block;
    background: transparent;
    position: relative;
  }
  header nav p.menu_btn button span {
    font-size: 0;
    line-height: 0;
    text-indent: -9999px;
    top: 50%;
  }
  header nav p.menu_btn button:before, header nav p.menu_btn button:after {
    content: "";
  }
  header nav p.menu_btn button:before {
    top: calc(50% - 5px);
  }
  header nav p.menu_btn button:after {
    bottom: calc(50% - 6px);
  }
  header nav p.menu_btn button span, header nav p.menu_btn button:before, header nav p.menu_btn button:after {
    width: 18px;
    height: 1px;
    display: block;
    position: absolute;
    left: calc(50% - 9px);
    background: #ffffff;
    transform-style: preserve-3d;
    transition-property: transform, opacity, top;
    transition-duration: 300ms;
    transition-timing-function: cubic-bezier(0.645, 0.045, 0.355, 1);
    transition-delay: 0ms;
  }
  header nav.show p.menu_btn button span {
    transform: rotate(-45deg);
    opacity: 0;
  }
  header nav.show p.menu_btn button:before {
    transform: rotate(-135deg);
    top: 50%;
  }
  header nav.show p.menu_btn button:after {
    transform: rotate(-225deg);
    top: 50%;
  }
  header nav.show .menu_inner {
    height: calc(100vh - 50px);
  }
  header nav .menu_inner {
    width: 100%;
    height: 0;
    position: absolute;
    top: 50px;
    left: 0;
    background: rgba(247, 170, 30, 0.6);
    backdrop-filter: blur(20px);
    overflow: hidden;
    transform-style: preserve-3d;
    transition-property: height;
    transition-duration: 300ms;
    transition-timing-function: cubic-bezier(0.645, 0.045, 0.355, 1);
    transition-delay: 0ms;
  }
  header nav .menu_inner .scroll {
    overflow-x: hidden;
    overflow-y: auto;
  }
  header nav .menu_inner ul {
    padding-top: 30px;
  }
  header nav .menu_inner ul li {
    margin-bottom: 20px;
  }
  header nav .menu_inner ul li a {
    padding: 10px 0;
    display: block;
    position: relative;
    text-align: center;
    font-size: 23px;
    font-weight: 600;
    color: #000000;
  }
  header nav .menu_inner p.museum {
    margin-bottom: 30px;
  }
  header nav .menu_inner p.museum a {
    margin: 0 auto;
    width: 191px;
    height: 53px;
    display: block;
    border: 2px solid #000000;
    border-radius: 26px;
    background: #ffffff;
    box-sizing: border-box;
    font-size: 18px;
    font-weight: 600;
    line-height: 51px;
    text-align: center;
    color: #000000;
  }
  header nav .menu_inner p.lang {
    margin-bottom: 30px;
    text-align: center;
  }
  header nav .menu_inner p.lang a {
    line-height: 22px;
    font-size: 18px;
    font-weight: 600;
    color: #000000;
  }
  article {
    padding-top: 100px;
    width: 100%;
    overflow: hidden;
  }
  article section {
    position: relative;
  }
  article section.wave_bg {
    background: #f7aa1e;
  }
  article section.wave_bg:before, article section.wave_bg:after {
    content: "";
    width: 100%;
    height: 22px;
    position: absolute;
    left: 0;
    background-repeat: repeat-x;
    background-size: 75px 22px;
    clear: both;
  }
  article section.wave_bg:before {
    background-image: url("../image/top/bg_wave_top.png");
    background-position: center bottom;
    top: -22px;
  }
  article section.wave_bg:after {
    background-image: url("../image/top/bg_wave_bottom.png");
    background-position: center top;
    bottom: -22px;
  }
  article section .move_cloud {
    position: absolute;
  }
  article section .img_mw {
    position: relative;
  }
  article section .img_mw span {
    height: 1px;
    width: 1px;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    clip: rect(1px, 1px, 1px, 1px);
    overflow: hidden;
  }
  footer {
    padding: 45px 0;
    width: 100%;
    box-sizing: border-box;
    background: #505050;
    overflow: hidden;
    color: #ffffff;
  }
  footer .inner {
    position: relative;
  }
  footer nav {
    margin-bottom: 60px;
    line-height: 26px;
    font-size: 12px;
  }
  footer nav > ul > li {
    margin-bottom: 25px;
  }
  footer nav > ul > li a {
    display: block;
    font-size: 14px;
  }
  footer nav > ul > li ul {
    padding-top: 8px;
  }
  footer ul.logo {
    margin-bottom: 22px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 18px;
  }
  footer ul.logo li.rekibun {
    width: 47px;
  }
  footer ul.logo li.tokyo {
    width: 89px;
  }
  footer ul.logo li a {
    display: block;
    opacity: 1;
    transform-style: preserve-3d;
    transition-property: opacity;
    transition-duration: 300ms;
    transition-timing-function: linear;
    transition-delay: 0ms;
  }
  footer ul.logo li a:hover {
    opacity: 0.8;
  }
  footer p.address {
    line-height: 26px;
    font-size: 12px;
  }
  .img_mw {
    position: relative;
  }
  .img_mw span {
    height: 1px;
    width: 1px;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    clip: rect(1px, 1px, 1px, 1px);
    overflow: hidden;
  }
  .mw_image {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
  }
  .mw_image .bg {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 101;
    background: rgba(0, 0, 0, 0.8);
  }
  .mw_image .frame .image {
    width: 100vw;
    height: 100vw;
    position: absolute;
    top: calc(50% - 50vw);
    left: calc(50% - 50vw);
    z-index: 102;
  }
  .mw_image .frame .image p.close {
    position: absolute;
    top: -30px;
    right: 0;
  }
  .mw_image .frame .image p.close button {
    width: 30px;
    height: 30px;
    display: block;
    background: transparent;
    position: relative;
  }
  .mw_image .frame .image p.close button span {
    height: 1px;
    width: 1px;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    clip: rect(1px, 1px, 1px, 1px);
    overflow: hidden;
  }
  .mw_image .frame .image p.close button:before, .mw_image .frame .image p.close button:after {
    content: "";
    width: 30px;
    height: 2px;
    display: block;
    background: #3e1803;
    position: absolute;
    left: calc(50% - 15px);
    top: calc(50% - 1px);
  }
  .mw_image .frame .image p.close button:before {
    transform: rotate(45deg);
  }
  .mw_image .frame .image p.close button:after {
    transform: rotate(-45deg);
  }
  .mw_image .frame .image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }
  .sp_none {
    display: none !important;
  }
}
@keyframes cloud_move {
  0% {
    transform: translateX(-50px);
  }
  50% {
    transform: translateX(50px);
  }
  100% {
    transform: translateX(-50px);
  }
}
.move_cloud {
  animation-name: cloud_move;
  animation-duration: 10s;
  animation-iteration-count: infinite;
  animation-timing-function: ease-in-out;
}
.move_cloud.d2 {
  animation-delay: 0ms;
}
.move_cloud.d8 {
  animation-delay: 100ms;
}