@charset "UTF-8";
/* -----------------------------------------------
  Variables
--------------------------------------------------*/
/* color */
/* size */
/* -----------------------------------------------
  Mixins
--------------------------------------------------*/
/* media queries
  ブレークポイントの使い方
  @include mq("sp"){ ここに書く } */
/* form スタイルリセット */
.bl_header {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 999;
  width: 330px;
}
@media screen and (max-width: 1440px) {
  .bl_header {
    width: 100%;
    background-color: #0060ae;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out;
  }
  .bl_header.is-active {
    opacity: 1;
    visibility: visible;
  }
}
.bl_header::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  bottom: 0;
  z-index: -2;
  background: linear-gradient(to top, #0060ae 50%, rgba(0, 145, 255, 0) 100%);
}
@media screen and (max-width: 1440px) {
  .bl_header::after {
    display: none;
  }
}
.bl_header::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  bottom: 0;
  z-index: -1;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: inherit;
}
@media screen and (max-width: 1440px) {
  .bl_header::before {
    display: none;
  }
}
.bl_header__logo a {
  opacity: 1 !important;
  transition: opacity 0.3s ease;
}
@media screen and (min-width: 1025px) {
  .bl_header__logo a:hover, .bl_header__logo a:focus {
    opacity: 0.8 !important;
  }
}
.bl_header__inner {
  max-height: 100vh;
  padding: 50px 15%;
  width: 100%;
  margin-inline: auto;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 30px;
  color: #fff;
  position: relative;
}
.bl_header__inner::-webkit-scrollbar {
  display: none;
}
.bl_header__inner {
  -ms-overflow-style: none;
  scrollbar-width: none;
}
@media screen and (max-width: 1440px) {
  .bl_header__inner {
    padding-top: 120px;
    padding-bottom: 150px;
    padding-inline: 40px;
  }
}
.bl_header__lang {
  display: flex;
  justify-content: center;
  color: #fff;
  font-size: 1.4rem;
  font-weight: 400;
  text-transform: none;
}
@media screen and (max-width: 1440px) {
  .bl_header__lang {
    display: none;
  }
}
.bl_header__lang .c-en {
  text-transform: capitalize;
}
.bl_header__lang a {
  text-decoration: underline;
  display: inline-block;
}
@media screen and (min-width: 1025px) {
  .bl_header__lang a:hover, .bl_header__lang a:focus {
    text-decoration: none;
  }
}
.bl_header__lang li:first-child::after {
  content: "/";
  display: inline-block;
  margin-left: 10px;
  margin-right: 10px;
}
@media screen and (max-width: 1440px) {
  .bl_header__logo {
    display: none;
  }
}
.bl_header__search td.gsc-search-button {
  background-color: #333;
  border-radius: 3px;
  color: #fff;
  height: 100%;
  width: 60px;
  text-align: center;
  border: none;
  transition: background-color 0.3s ease-in-out;
  position: absolute;
  display: block !important;
  right: 0;
  top: 0;
  transition: opacity 0.3s ease-in-out;
}
@media screen and (max-width: 1100px) {
  .bl_header__search td.gsc-search-button {
    height: 100%;
  }
}
.bl_header__search td.gsc-search-button:hover, .bl_header__search td.gsc-search-button:focus {
  opacity: 0.8;
}
.bl_header__search td.gsc-search-button::before {
  content: "検索";
  display: inline-block;
  color: #fff;
  position: absolute;
  right: 0;
  top: 0;
  z-index: 5;
  display: grid;
  place-content: center;
  white-space: nowrap;
  width: 60px;
  height: 100%;
  pointer-events: none;
}
@media screen and (max-width: 1100px) {
  .bl_header__search td.gsc-search-button::before {
    height: 100%;
  }
}
.bl_header__search form.gsc-search-box {
  margin: 0;
  max-width: 100%;
}
.bl_header__search table.gsc-search-box {
  position: relative;
}
.bl_header__search table.gsc-search-box td.gsc-input {
  margin-right: 0;
}
.bl_header__search .gsc-input-box {
  border-radius: 3px;
}
.bl_header__search button.gsc-search-button {
  display: block !important;
  height: 100%;
  background-color: #333;
  border-color: #333;
}
.bl_header__search .gsc-search-button-v2 svg {
  display: none;
}
.bl_header__nav__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 0;
  position: relative;
}
@media screen and (min-width: 1025px) {
  .bl_header__nav__link:hover::after, .bl_header__nav__link:focus::after {
    transform: translateX(5px) translateY(-50%);
  }
}
.bl_header__nav__link.is-nolink {
  padding-bottom: 1rem;
}
.bl_header__nav__link.is-nolink::after {
  display: none;
}
.bl_header__nav__link::after {
  content: "";
  width: 19px;
  height: 10px;
  background: url(/museum/assets/img/icon/arrow.svg) no-repeat center center/contain;
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  transition: transform 0.3s ease-in-out;
}
.bl_header__nav__label {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  width: 60px;
  height: 26px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  display: grid;
  place-content: center;
  font-size: 1.2rem;
  font-weight: 500;
  color: #fff;
  line-height: 1;
}
.bl_header__nav__icon {
  width: 26px;
  flex: none;
  display: grid;
  place-content: center;
}
.bl_header__nav__text {
  font-weight: 600;
  line-height: 1.5;
}
.bl_header__nav__text .c-en {
  font-size: 1rem;
  display: block;
}
.bl_header__nav__sub {
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  margin-bottom: 30px;
}
.bl_header__nav__sub__link {
  position: relative;
  display: block;
  line-height: 1.7;
  font-size: 1.4rem;
  padding: 1.6rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
}
@media screen and (min-width: 1025px) {
  .bl_header__nav__sub__link:hover::after, .bl_header__nav__sub__link:focus::after {
    transform: translateX(5px) translateY(-50%);
  }
}
.bl_header__nav__sub__link::after {
  content: "";
  width: 19px;
  height: 10px;
  background: url(/museum/assets/img/icon/arrow.svg) no-repeat center center/contain;
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
  transition: transform 0.3s ease-in-out;
}
.bl_header__area {
  margin-top: 4rem;
}
.bl_header__area__text {
  margin-top: 20px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.bl_header__area__item {
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  padding: 1.6rem 0 1.6rem 20px;
  cursor: pointer;
}
@media screen and (max-width: 1440px) {
  .bl_header__area__item {
    flex-wrap: wrap;
    padding-left: 10px;
  }
}
.bl_header__area__item:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}
@media screen and (min-width: 1025px) {
  .bl_header__area__item.is-active, .bl_header__area__item:hover {
    background-color: #fff;
    color: #333;
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    transition: all 0.3s ease-in-out;
  }
  .bl_header__area__item.is-active .bl_header__area__item__icon, .bl_header__area__item:hover .bl_header__area__item__icon {
    background-color: var(--c);
    color: #fff;
  }
}
.bl_header__area__item__title {
  display: flex;
  align-items: center;
  gap: 10px;
}
.bl_header__area__item__icon {
  width: 18px;
  height: 18px;
  background-color: #fff;
  display: grid;
  place-content: center;
  border-radius: 50%;
  flex: none;
  transition: all 0.3s ease-in-out;
  color: var(--c);
}
.bl_header__area__item__text {
  font-weight: 400;
}
.bl_header__area__item__en {
  font-size: 1rem;
  font-weight: 700;
  transform: translateY(2px);
}
.bl_header__area__sub {
  position: absolute;
  left: 250px;
  top: var(--submenu-top, 0);
  background-color: #edefe9;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease-in-out;
  gap: 1px;
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 5px 0 5px 0 rgba(0, 0, 0, 0.02);
}
@media screen and (max-width: 1440px) {
  .bl_header__area__sub {
    position: relative;
    top: 0 !important;
    left: 0;
    opacity: 1;
    visibility: visible;
    display: block;
    white-space: normal;
    width: 100%;
    margin-top: 1rem;
  }
}
.bl_header__area__sub.is-active, .bl_header__area__sub:hover {
  opacity: 1;
  top: var(--submenu-top, 0);
  visibility: visible;
}
.bl_header__area__sub__link {
  color: #333;
  font-size: 1.4rem;
  display: block;
  padding: 20px 60px 20px 20px;
  position: relative;
  background-color: #fff;
  transition: background-color 0.3s ease-in-out;
}
@media screen and (max-width: 1440px) {
  .bl_header__area__sub__link {
    padding: 10px 60px 10px 20px;
  }
}
.bl_header__area__sub__link::after {
  content: "";
  width: 16px;
  height: 10px;
  mask-image: url(/museum/assets/img/icon/arrow.svg);
  mask-size: contain;
  mask-repeat: no-repeat;
  background-color: #0060ae;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
}
@media screen and (min-width: 1025px) {
  .bl_header__area__sub__link:hover, .bl_header__area__sub__link:focus {
    background-color: #edefe9;
  }
}
.bl_header__logo-honshi {
  display: block;
  margin-top: 7rem;
  transition: opacity 0.3s ease;
}
@media screen and (min-width: 1025px) {
  .bl_header__logo-honshi:hover, .bl_header__logo-honshi:focus {
    opacity: 0.8;
  }
}
.bl_header__logo-honshi .c-icon-honshi {
  margin-inline: auto;
  width: 129px;
  height: 39px;
}

/* スマホ用 */
.bl_header__sp {
  display: none;
}
@media screen and (max-width: 1440px) {
  .bl_header__sp {
    display: block;
    position: fixed;
    width: 100%;
    left: 0;
    right: 0;
    top: 0;
    margin-inline: auto;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
  }
  .bl_header__sp.is-top-scroll::before {
    opacity: 1 !important;
  }
  .bl_header__sp.is-top::before {
    background-color: rgba(0, 96, 174, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
  }
  .bl_header__sp::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: #0060ae;
    left: 0;
    top: 0;
    z-index: -1;
  }
}
.bl_header__sp__logo a {
  opacity: 1 !important;
}
.bl_header__sp__lang {
  margin-left: 2rem;
}
.bl_header__sp__lang a {
  color: #fff;
  font-size: 1.5rem;
  font-weight: 400;
  text-transform: capitalize;
  text-decoration: underline;
  position: relative;
}
.bl_header__sp__lang a::before {
  content: "";
  width: 15px;
  height: 15px;
  background: url(/museum/assets/img/icon/lang.svg) no-repeat center center/contain;
  position: absolute;
  left: 0;
  top: 3px;
  transform: translateX(-150%);
}
.bl_header__sp__menu {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-right: 1rem;
}
.bl_header__sp__menu.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.bl_header__sp__menu.is-active span:nth-child(2) {
  opacity: 0;
}
.bl_header__sp__menu.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.bl_header__sp__menu span {
  transition: all 0.3s ease-in-out;
  background-color: #fff;
  width: 30px;
  height: 2px;
  display: inline-block;
}

.bl_header__area__item__spSubmenu {
  display: none;
}
@media screen and (max-width: 1440px) {
  .bl_header__area__item__spSubmenu {
    display: block;
    width: 100%;
    max-height: 0;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
  }
  .bl_header__area__item__spSubmenu.is-active {
    max-height: 2000px;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }
}

.bl_header__area__item__pcSubmenu {
  display: block;
}
@media screen and (max-width: 1440px) {
  .bl_header__area__item__pcSubmenu {
    display: none;
  }
}
/*# sourceMappingURL=header.css.map */