/* ============================================================
base
============================================================ */
/* breadcrumb
============================== */
.breadcrumb {
  position: relative;
  z-index: 1;
}

/* ima-root
============================== */
body.no-scroll {
  overflow: hidden;
}

.ima-root {
  /* Layout & Spacing */
  --inner-width: 500px;
  --inner-padding: 21px;
  --modal-top-margin: 0px;
  --modal-bottom-margin: 0px;
  /* Typography */
  --base-font-family: "Noto Sans JP", sans-serif;
  --en-font-family: "Imbue", serif;
  --serif-font-family: "Zen Old Mincho", serif;
  --leading-trim: calc((1em - 1lh) / 2);
  /* Colors & Gradients */
  --key-color: #207faa;
  --border-color: #dfdfdf;
  --color-blue: #0cb5dc;
  --color-blue-deep: #026981;
  --color-blue-light: #8cdbde;
  --color-blue-secondary: #1b9ab5;
  --color-white: #fdfdfd;
  --gradation-inner: linear-gradient(90deg, var(--color-blue-deep) 0%, var(--color-blue-secondary) 50.48%, var(--color-blue-deep) 100%);
  --gradation-wrapper: linear-gradient(180deg, var(--color-white) 0%, var(--color-blue-light) 25%, #37c5e2 50%, var(--color-blue) 74.52%, var(--color-blue) 100%);
  --gradation-white: linear-gradient(270deg, #e3e3e3 0%, #fff 25%, #fff 75%, #e3e3e3 100%);
  /* Shape & Radius */
  --base-radius: 6px;
  --ovall-radius: calc(1px / 0);
  /* Shadows */
  --shadow-navigation: 0 1px 2px 0 rgba(0, 0, 0, .1);
  --shadow-text-light: 0 0 6px rgba(255, 255, 255, .6);
  --shadow-text-dark: 0 1px 6px rgba(2, 106, 130, .9);
  /* Animation */
  --duration-hover: .15s;
  /* Z-index */
  --z-modal: 100000;
  --z-fixed-canvas: 9999;
  --z-menu: 100;
  --z-content: 2;
}

.ima-root *,
.ima-root *:before,
.ima-root *:after {
  box-sizing: border-box;
}

.ima-root a:hover,
.ima-root a:visited {
  color: var(--key-color);
  text-decoration: none;
}

.ima-root ::selection {
  background-color: var(--key-color);
  color: #fff;
}

.ima-root img {
  display: block;
  height: auto;
  max-width: 100%;
}

.ima-root *[data-intersection] {
  opacity: 0;
  transition: opacity .5s ease-out, transform .5s ease-out;
  transform: translateY(20px);
}

.ima-root *[data-intersection][data-intersecting="true"] {
  opacity: 1;
  transform: translateY(0);
}

br.sp {
  display: none;
}

@media screen and (max-width: 1300px) {
  br.sp {
    display: inline;
  }
}

/* ============================================================
layouts
============================================================ */
/* ima-wrapper
============================== */
.ima-wrapper {
  position: relative;
  background: var(--gradation-wrapper) 50% top/cover no-repeat;
  background-attachment: fixed;
  color: #fff;
  font-size: 16px;
  font-family: var(--base-font-family);
  line-height: 1.7;
}

/* ima-fixed
============================== */
.ima-fixed {
  position: fixed;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--inner-width);
  width: 100%;
  height: calc(100 * var(--vh));
}

.ima-fixed__left {
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-inline: 35px;
  padding-top: var(--modal-top-margin);
}

.ima-fixed__left:before {
  content: "";
  position: absolute;
  top: var(--modal-top-margin);
  left: 0;
  width: 100%;
  height: calc(100% - var(--modal-top-margin));
  background: url(../img/bg-shine.webp) top left/200% auto no-repeat;
}

.ima-fixed__right {
  position: relative;
  overflow: hidden;
  padding-inline: 45px;
  padding-top: var(--modal-top-margin);
}

.ima-fixed__right:before {
  content: "";
  position: absolute;
  top: var(--modal-top-margin);
  left: 0;
  width: 100%;
  height: calc(100% - var(--modal-top-margin));
  background: url(../img/bg-shine.webp) top right/200% auto no-repeat;
}

.ima-fixed.jquery-ripples>canvas {
  z-index: var(--z-fixed-canvas) !important;
  pointer-events: none;
}

/* ima-fixed-logo
============================== */
.ima-fixed-logo {
  width: calc(100% - 30px);
  max-width: 320px;
  margin-inline: auto;
}

@media screen and (max-width: 1300px) {
  .ima-fixed-logo {
    display: none;
  }
}

.ima-fixed-logo img {
  width: 100%;
}

/* ima-fixed-menu
============================== */
.ima-fixed-menu {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: 240px;
  margin-inline: auto;
}

@media screen and (max-width: 1300px) {
  .ima-fixed-menu {
    display: none;
  }
}

.ima-fixed-menu__frame {
  overflow-y: auto;
  height: 100%;
}

.ima-fixed-menu__list {
  display: grid;
  grid-template-columns: 100%;
  gap: 24px;
  overflow: hidden;
  max-width: 100%;
  margin-inline: auto;
  padding: 40px 24px 78px;
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-left: 1px solid var(--border-color);
  background: url(../img/bg-shine-01.webp) left 50% top 10px/calc(100% - 20px) auto no-repeat, url(../img/bg-shine-02.webp) left 50% bottom 10px/calc(100% - 20px) auto no-repeat, var(--gradation-white);
  line-height: 1.4;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% calc(100% - 30px), 0 100%);
}

.ima-fixed-menu__nav {
  display: grid;
  grid-template-columns: 100%;
  gap: calc(10px + var(--leading-trim));
  margin-bottom: var(--leading-trim);
  color: #68777b !important;
  text-shadow: var(--shadow-text-light);
  font-weight: 700;
  font-size: 11px;
  font-family: var(--serif-font-family);
  line-height: 1.4;
  transition: filter var(--duration-hover) ease-out;
}

@media screen and (min-width: 768px) {
  .ima-fixed-menu__nav:hover {
    filter: brightness(1.15);
  }
}

.ima-fixed-menu__nav[data-en]::before {
  content: attr(data-en);
  display: block;
  color: #1b9ab5;
  font-weight: 400;
  font-size: 20px;
  font-family: var(--en-font-family);
  line-height: .8;
}

/* ima-inner
============================== */
.ima-inner {
  position: relative;
  max-width: var(--inner-width);
  margin-inline: auto;
  box-shadow: 0 0 24px 0 rgba(2, 106, 130, .4);

  container-type: inline-size;
}

.ima-inner:before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  background: var(--gradation-inner);
}

/* ima-share-block
============================== */
.ima-share-block {
  display: grid;
  grid-template-columns: 100%;
  gap: 30px;
  width: calc(100% - var(--inner-padding) * 2);
  margin: 64px auto 40px;
  padding: 35px 30px;
  border-radius: var(--base-radius);
  background: var(--gradation-white);
  color: var(--color-blue-deep);
}

.ima-share-block__body {
  display: grid;
  grid-template-columns: 100%;
  gap: 19px;
}

.ima-share-block__title {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: .25em;
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
}

.ima-share-block__title:before {
  content: "\\";
}

.ima-share-block__title:after {
  content: "/";
}

.ima-share-block__list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
}

.ima-share-block__item a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 50px;
  aspect-ratio: 1 / 1;
  border-radius: var(--ovall-radius);
}

.ima-share-block__item a img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.ima-share-block__notes-title {
  margin-bottom: 12px;
  text-align: center;
  font-weight: 700;
  font-size: 13px;
  line-height: 1.4;
}

.ima-share-block__notes {
  display: grid;
  grid-template-columns: 100%;
  gap: 24px;
  font-weight: 500;
  font-size: 13px;
}

.ima-share-block__notes>li {
  margin-block: var(--leading-trim);
  padding-left: 1em;
  text-indent: -1em;
}

.ima-share-block__notes>li:before {
  content: "\30fb";
}

/* ima-footer
============================== */
.ima-footer {
  position: relative;
  padding: 40px var(--inner-padding) 36px;
  background: var(--color-blue-secondary);
  color: #fff;
  text-align: center;
}

.ima-footer__pagetop {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  display: block;
  width: 43px;
  height: 43px;
  margin-inline: auto;
  border-radius: var(--ovall-radius);
  box-shadow: var(--shadow-navigation);
  transition: all .2s ease-out;
  transform: translateY(-50%);
}

.ima-footer__pagetop:hover {
  opacity: .7;
}

/* ima-follow
============================== */
.ima-follow {
  display: grid;
  grid-template-columns: 100%;
  gap: 20px;
}

.ima-follow__title {
  font-weight: 500;
  font-size: 13px;
}

.ima-follow__list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
}

.ima-follow__list>li {
  flex-shrink: 0;
}

.ima-follow__list>li a {
  display: block;
  width: 43px;
  aspect-ratio: 1 / 1;
}

/* ima-menu
============================== */
.ima-menu {
  position: sticky;
  top: 0;
  z-index: var(--z-menu);
  display: none;
  max-width: fit-content;
  margin-bottom: -48px;
  margin-left: auto;
  padding-right: 6px;
}

@media screen and (max-width: 1300px) {
  .ima-menu {
    display: block;
  }
}

.ima-menu-toggle {
  position: relative;
  display: block;
  visibility: hidden;
  overflow: hidden;
  width: 48px;
  padding: 0;
  outline: none;
  border: 0;
  border-radius: 0;
  background: transparent;
  opacity: 0;
  cursor: pointer;
  transition: filter var(--duration-hover) ease-out;
  pointer-events: none;
  appearance: none;
}

.ima-menu-toggle:focus-visible {
  outline: 2px solid var(--key-color);
  outline-offset: 2px;
}

body.nav-showed .ima-menu-toggle {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

@media screen and (min-width: 768px) {
  .ima-menu-toggle:hover {
    filter: brightness(1.08);
  }
}

.ima-menu-toggle img {
  position: relative;
  width: 100%;
}

/* ima-modal
============================== */
.ima-modal {
  position: fixed;
  top: var(--modal-top-margin);
  left: 0;
  z-index: var(--z-modal);
  display: none;
  overflow-y: auto;
  width: 100%;
  height: calc(100% - var(--modal-top-margin) - var(--modal-bottom-margin));
  background: transparent;
}

.ima-modal__inner {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100dvh - var(--modal-top-margin) - var(--modal-bottom-margin));
  max-width: var(--inner-width);
  margin-inline: auto;
  padding: 45px var(--inner-padding);
  background: var(--gradation-inner);
  color: #fff;
}

.ima-modal__close {
  position: fixed;
  top: var(--modal-top-margin);
  right: 0;
  left: 0;
  display: flex;
  justify-content: flex-end;
  max-width: var(--inner-width);
  margin-inline: auto;
  padding-right: 6px;
  pointer-events: none;
}

/* ima-modal-menu
============================== */
.ima-modal-menu {
  display: grid;
  align-items: center;
  grid-template-columns: 100%;
  gap: 36px;
  width: fit-content;
  max-width: 100%;
}

.ima-modal-menu__item {
  display: contents;
}

.ima-modal-menu__nav,
.ima-modal-menu__nav:visited {
  display: grid;
  grid-template-columns: 100%;
  gap: 14px;
  justify-items: center;
  color: var(--color-white);
  text-shadow: var(--shadow-text-light);
  font-weight: 700;
  font-size: 11px;
  font-family: var(--serif-font-family);
  line-height: 1;
  transition: filter var(--duration-hover) ease-out;
}

@media screen and (min-width: 768px) {
  .ima-modal-menu__nav:hover {
    color: var(--color-white) !important;
    filter: brightness(1.15);
  }
}

.ima-modal-menu__nav[data-en]::before {
  content: attr(data-en);
  display: block;
  color: var(--color-blue-light);
  text-shadow: none;
  font-weight: 400;
  font-size: 28px;
  font-family: var(--en-font-family);
  line-height: .8;
}

/* ima-star
============================== */
.ima-star {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  overflow: hidden;
  width: 100%;
  height: 100vh;
  pointer-events: none;
}

.ima-main .ima-star {
  position: fixed;
  width: var(--inner-width);
  max-width: 100%;
  margin-inline: auto;
}

/* ============================================================
components
============================================================ */
/* ima-separator
============================== */
.ima-separator {
  display: block;
  display: block;
  width: 280px;
  height: auto;
  max-width: 100%;
  aspect-ratio: 280/61;
  margin: 32px auto;
  padding: 0;
  border: 0;
  background: #fff;
  mask: url(../img/separator.webp) 50% 50%/contain no-repeat;
}

.ima-exhibition-detail-container .ima-separator {
  margin-block: 24px;
  background: var(--color-blue-light);
}

/* ima-section
============================== */
.ima-section {
  width: calc(100% - var(--inner-padding) * 2);
  margin-inline: auto;
  margin-top: 48px;
}

.ima-separator+.ima-section {
  margin-top: 0;
}

.ima-menu+.ima-section {
  margin-top: 32px;
}

.ima-section._concept {
  margin-block: 84px 64px;
}

.ima-section__head {
  margin-bottom: 40px;
}

.ima-section__head._closer {
  margin-bottom: 24px;
}

.ima-section__body+.ima-section__body {
  margin-top: 40px;
}

/* ima-button-container
============================== */
.ima-button-container {
  display: grid;
  grid-template-columns: 100%;
  gap: 24px;
  max-width: 100%;
  margin-inline: auto;
}

.ima-button-container:not(:first-child) {
  margin-top: 30px;
}

.ima-button-container:not(:last-child) {
  margin-bottom: 40px;
}

/* ima-frame-block
============================== */
.ima-frame-block {
  display: grid;
  align-items: center;
  grid-template-columns: 32% 1fr;
  gap: 16px;
  padding: 20px;
  border-radius: var(--base-radius);
  background: var(--gradation-white);
  color: var(--color-blue-deep);
}

.ima-frame-block>* {
  grid-column: span 2;
}

.ima-frame-block:not(:first-child) {
  margin-top: 24px;
}

.ima-frame-block+.ima-frame-block {
  margin-top: 16px;
}

.ima-frame-block._gap-large {
  gap: 30px;
}

.ima-frame-block._mt-large {
  margin-top: 40px;
}

.ima-frame-block__thumb {
  align-self: flex-start;
  grid-column: 1/1;
  grid-row: 1/1;
  overflow: hidden;
}

.ima-frame-block__image img {
  width: 100%;
}

.ima-frame-block__contents {
  display: grid;
  align-self: center;
  grid-template-columns: 100%;
  gap: 16px;
}

.ima-frame-block__head {
  display: grid;
  grid-template-columns: 100%;
  gap: 12px;
  font-weight: 700;
  font-size: 16px;
  font-family: var(--serif-font-family);
  line-height: 1.4;
}

.ima-frame-block__head._center {
  text-align: center;
}

.ima-frame-block:has(.ima-frame-block__thumb) .ima-frame-block__head {
  grid-column: span 1;
}

.ima-frame-block__body {
  display: grid;
  grid-template-columns: 100%;
  gap: 12px;
  font-weight: 500;
  font-size: 13px;
  line-height: 1.4;
}

.ima-frame-block__body._center {
  text-align: center;
}

.ima-frame-block__title {
  margin-block: var(--leading-trim);
}

.ima-frame-block__date {
  display: flex;
  flex-wrap: wrap;
  margin-block: var(--leading-trim);
}

.ima-frame-block__date>dt:after {
  content: "\ff1a";
}

._center .ima-frame-block__date {
  justify-content: center;
}

.ima-frame-block:has(.ima-frame-block__thumb) .ima-frame-block__date {
  flex-direction: column;
}

.ima-frame-block__nav {
  display: grid;
  grid-template-columns: 100%;
  grid-column: span 2;
  gap: 10px;
}

.ima-frame-block__notes {
  display: block;
  margin-block: var(--leading-trim);
  text-align: center;
  font-weight: 500;
  font-size: 13px;
  font-family: var(--serif-font-family);
}

/* ima-toggle-block
============================== */
.ima-toggle-block:not(:first-child) {
  margin-top: 40px;
}

.ima-toggle-block:not(:last-child) {
  margin-bottom: 40px;
}

.ima-toggle-block__head {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-inline: auto;
  margin-bottom: 24px;
  outline: none;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: inherit;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  transition: opacity var(--duration-hover) ease-out;
  appearance: none;
}

.ima-toggle-block__head:focus-visible {
  outline: 2px solid var(--key-color);
  outline-offset: 2px;
}

.ima-toggle-block__head:hover {
  opacity: .7;
}

.ima-toggle-block__head:after {
  content: "";
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 20 21"><path fill="%23fff" d="M10 11.1194 7.3918 8.5111c-.1612-.1611-.3543-.2417-.5793-.2417-.225 0-.4208.0806-.5875.2417-.1667.1667-.25.3653-.25.5958 0 .2307.0833.4293.25.596l3.1918 3.1915c.1666.1667.361.25.5832.25.2222 0 .4166-.0833.5833-.25L13.8 9.6779c.1667-.1667.2458-.3612.2375-.5835-.0083-.2222-.0958-.4166-.2625-.5833-.1667-.1611-.3611-.243-.5832-.2457-.2224-.0029-.4169.079-.5835.2457L10 11.1194Zm0 9.0417c-1.3722 0-2.6666-.2625-3.8833-.7875-1.2166-.525-2.2778-1.2402-3.1834-2.1457-.9055-.9057-1.6208-1.9669-2.1458-3.1835C.2625 12.8277 0 11.5333 0 10.1611c0-1.3833.2625-2.6833.7875-3.9.525-1.2166 1.2403-2.275 2.1458-3.175.9056-.9 1.9668-1.6125 3.1834-2.1375C7.3334.4236 8.6278.1611 10 .1611c1.3833 0 2.6833.2625 3.9.7875 1.2167.525 2.275 1.2375 3.175 2.1375.9.9 1.6125 1.9584 2.1375 3.175.525 1.2167.7875 2.5167.7875 3.9 0 1.3722-.2625 2.6666-.7875 3.8833-.525 1.2166-1.2375 2.2778-2.1375 3.1835-.9.9055-1.9583 1.6207-3.175 2.1457-1.2167.525-2.5167.7875-3.9.7875Zm0-1.6667c2.3222 0 4.2916-.8111 5.9083-2.4333 1.6166-1.6221 2.425-3.5888 2.425-5.9 0-2.3221-.8084-4.2915-2.425-5.9082-1.6167-1.6167-3.5861-2.425-5.9083-2.425-2.3112 0-4.2778.8083-5.9 2.425-1.6222 1.6166-2.4332 3.586-2.4332 5.9082 0 2.3112.811 4.2779 2.4332 5.9 1.6222 1.6222 3.5888 2.4333 5.9 2.4333Z"/></svg>') 50% 50%/contain no-repeat;
  transition: rotate .2s;
}

.ima-toggle-block__head.is-open:after {
  rotate: 180deg;
}

.ima-toggle-block__body {
  display: none;
  padding-bottom: 24px;
}

/* ima-title
============================== */
.ima-title {
  position: relative;
  display: grid;
  grid-template-columns: 100%;
  gap: 12px;
  overflow: hidden;
  width: calc(100% + var(--inner-padding) * 2);
  margin-inline: calc(var(--inner-padding) * -1);
  text-align: center;
  text-shadow: var(--shadow-text-light);
  font-weight: 700;
  font-size: 15px;
  font-family: var(--serif-font-family);
  line-height: 1;
}

.ima-title[data-en]:before {
  content: attr(data-en);
}

.ima-title__en,
.ima-title[data-en]:before {
  position: relative;
  left: 50%;
  display: block;
  width: fit-content;
  padding: 12px 46px 0;
  background: url(../img/bg-title-01.webp) 2px top/46px auto no-repeat, url(../img/bg-title-02.webp) right bottom/40px auto no-repeat;
  white-space: nowrap;
  font-weight: 400;
  font-size: 48px;
  font-family: var(--en-font-family);
  line-height: 1.15;
  transform: translateX(-50%);
}

/* ima-subtitle
============================== */
.ima-subtitle {
  margin-block: var(--leading-trim) calc(32px + var(--leading-trim));
  text-align: center;
  text-shadow: 0 1px 8px rgba(2, 106, 130, .56);
  font-weight: 700;
  font-size: 24px;
  font-family: var(--serif-font-family);
}

/* ima-text
============================== */
.ima-text {
  margin-block: var(--leading-trim);
  font-weight: 500;
  font-size: 15px;
  line-height: 2;
}

.ima-text:not(:first-child) {
  margin-top: calc(30px + var(--leading-trim));
}

.ima-text:not(:last-child) {
  margin-bottom: calc(30px + var(--leading-trim));
}

.ima-text._center {
  text-align: center;
}

.ima-text._wbr {
  word-break: keep-all;
  overflow-wrap: anywhere;
}

/* ima-notes
============================== */
.ima-notes {
  position: relative;
  z-index: var(--z-content);
  margin-block: var(--leading-trim);
  font-weight: 500;
  font-size: 13px;
}

.ima-notes:not(:first-child) {
  margin-top: calc(40px + var(--leading-trim));
}

.ima-notes:not(:last-child) {
  margin-bottom: calc(40px + var(--leading-trim));
}

.ima-notes._center {
  text-align: center;
}

.ima-notes:last-child {
  margin-bottom: 60px;
}

/* ima-notes-list
============================== */
.ima-notes-list {
  display: grid;
  grid-template-columns: 100%;
  gap: 16px;
  text-align: left;
  font-weight: 500;
  font-size: 13px;
  line-height: 1.7;
}

.ima-notes-list:not(:first-child) {
  margin-top: 16px;
}

.ima-notes-list:not(:last-child) {
  margin-bottom: 30px;
}

.ima-notes-list._gap-small {
  gap: .7em;
}

.ima-notes-list>li {
  position: relative;
  margin-block: var(--leading-trim);
  padding-left: 1em;
}

.ima-notes-list>li:before {
  content: "\30fb";
  position: absolute;
  top: 0;
  left: 0;
}

.ima-notes-list._asterisk>li:before {
  content: "\203b";
}

.ima-notes-list a {
  display: inline;
  color: currentColor !important;
  text-decoration: underline;
}

/* ima-button
============================== */
.ima-button {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: calc(100cqi / 375 * 273);
  aspect-ratio: 273/60;
  margin-inline: auto;
  border-radius: var(--base-radius);
  background: url(../img/bg-button.webp) 50% 50%/contain no-repeat;
  box-shadow: var(--shadow-navigation);
  color: #fff !important;
  text-align: center;
  text-shadow: var(--shadow-text-dark);
  letter-spacing: .05em;
  font-weight: 900;
  font-size: 24px;
  font-family: var(--en-font-family);
  line-height: 1.3;
  transition: filter var(--duration-hover) ease-out;
}

@media screen and (min-width: 768px) {
  .ima-button:hover {
    filter: brightness(1.15);
  }
}

.ima-button:after {
  content: "";
  position: absolute;
  top: 0;
  right: calc(100cqi / 375 * 12);
  bottom: 0;
  display: block;
  width: calc(100cqi / 375 * 20);
  height: calc(100cqi / 375 * 20);
  margin-block: auto;
  background: url(../img/arrow-right.png) 50% 50%/contain no-repeat;
}

.ima-button._back:after {
  right: auto;
  left: calc(100cqi / 375 * 12);
  background-image: url(../img/arrow-left.png);
}

.ima-button._comingsoon {
  background: #93a0a3;
  box-shadow: none;
  color: #fff;
  text-shadow: none;
  pointer-events: none;
}

.ima-button._comingsoon:after {
  display: none;
}

.ima-frame-block .ima-button._comingsoon {
  height: 56px;
  max-width: none;
  aspect-ratio: unset;
}

/* ima-img
============================== */
.ima-img {
  overflow: hidden;
  width: 100%;
  margin-inline: auto;
}

.ima-img:not(:first-child) {
  margin-top: 24px;
}

.ima-img img {
  width: 100%;
}

/* ima-slider
============================== */
.ima-slider {
  position: relative;
  z-index: var(--z-content);
  overflow: hidden;
  width: 100%;
  aspect-ratio: var(--aspect-ratio);
  background: #fff;

  --aspect-ratio: 3 / 2;
}

.ima-slider._gallery {
  --aspect-ratio: 333 / 250;
}

.ima-slider.slick-initialized {
  overflow: visible;
}

.ima-slider:not(:first-child) {
  margin-top: 24px;
}

.ima-slider__item {
  aspect-ratio: var(--aspect-ratio);
}

.ima-slider__item img {
  width: 100%;
  aspect-ratio: var(--aspect-ratio);
  object-fit: contain;
}

.ima-slider__item:has(img:nth-child(2)) {
  display: grid;
  align-items: center;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.ima-slider__item:has(img:nth-child(2)) img {
  aspect-ratio: 1/1;
}

/* ============================================================
page - index
============================================================ */
/* ima-mv
============================== */
.ima-mv {
  position: relative;
  z-index: var(--z-content);
  overflow: hidden;
  width: 100%;
  aspect-ratio: 750 / 530;
}

.ima-mv__item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-block: var(--leading-trim);
  font-weight: 500;
  font-size: 16px;
}

.ima-mv__nav {
  color: var(--key-color);
}

/* ima-introduction
============================== */
.ima-introduction {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 58px;
  margin-bottom: 40px;
  padding-top: 58px;
}

.ima-introduction__logo {
  width: 398px;
  max-width: 91.46667%;
}

.ima-introduction__logo img {
  width: 100%;
}

.ima-introduction__text {
  margin-block: var(--leading-trim);
  padding-inline: var(--inner-padding);
  text-shadow: 0 1px 8px rgba(2, 106, 130, .56);
  font-weight: 700;
  font-family: var(--serif-font-family);
  line-height: 2;
}

/* ima-anchor
============================== */
.ima-anchor {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 9px 11px;
  margin-bottom: 40px;
  padding-inline: var(--inner-padding);
}

.ima-anchor__button {
  position: relative;
  z-index: var(--z-content);
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  aspect-ratio: 162/80;
  border-radius: var(--base-radius);
  background: url(../img/bg-anchor.webp) 50% 50%/contain no-repeat;
  box-shadow: var(--shadow-navigation);
  color: #fff !important;
  text-align: center;
  text-shadow: var(--shadow-text-dark);
  font-weight: 900;
  font-size: 16px;
  font-family: var(--serif-font-family);
  line-height: 1.3;
  transition: filter var(--duration-hover) ease-out;
}

.ima-anchor__button._smaller {
  font-size: 15px;
}

@media screen and (min-width: 768px) {
  .ima-anchor__button:hover {
    filter: brightness(1.15);
  }
}

.ima-s25-banner {
  width: calc(100% - var(--inner-padding) * 2);
  margin-inline: auto;
  margin-bottom: 40px;
}

.ima-s25-banner__button {
  position: relative;
  z-index: var(--z-content);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 10px calc(100cqi / 375 * 44) 10px calc(100cqi / 375 * 16);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--base-radius);
  color: #fff !important;
  text-shadow: var(--shadow-text-dark);
  box-shadow: var(--shadow-navigation);
  transition: filter var(--duration-hover) ease-out;
  overflow: hidden;
}

.ima-s25-banner__button:after {
  content: "";
  position: absolute;
  top: 0;
  right: calc(100cqi / 375 * 12);
  bottom: 0;
  display: block;
  width: calc(100cqi / 375 * 20);
  height: calc(100cqi / 375 * 20);
  margin-block: auto;
  background: url(../img/arrow-right.png) 50% 50%/contain no-repeat;
}

.ima-s25-banner__button::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  background: var(--gradation-inner);
  opacity: 0.7;
  transition: opacity 0.2s ease-out;
}

@media screen and (min-width: 768px) {
  .ima-s25-banner__button:hover {
    filter: brightness(1.15);
  }

  .ima-s25-banner__button:hover::before {
    opacity: 0.85;
  }
}

.ima-s25-banner__logo {
  display: block;
  width: auto;
  height: 54px !important;
  object-fit: contain;
}

@media screen and (min-width: 768px) {
  .ima-s25-banner__logo {
    height: 94px !important;
  }
}

.ima-s25-banner__button span {
  font-weight: 700;
  font-size: 13px;
  font-family: var(--serif-font-family);
  line-height: 1.35;
  text-align: left;
}

@media screen and (min-width: 768px) {
  .ima-s25-banner__button span {
    font-size: 15px;
  }
}

/* ima-about
============================== */
.ima-about {
  display: grid;
  grid-template-columns: 100%;
  gap: 40px;
  width: calc(100% - var(--inner-padding) * 2);
  margin-inline: auto;
  padding: 48px 30px 56px;
  border-radius: var(--base-radius);
  background: url(../img/bg-shine-01.webp) left 50% top 10px/calc(100% - 20px) auto no-repeat, url(../img/bg-shine-02.webp) left 50% bottom 10px/calc(100% - 20px) auto no-repeat, var(--gradation-white);
  color: var(--color-blue-deep);
}

.ima-about__head img {
  width: 100%;
}

.ima-about__body {
  margin-block: var(--leading-trim);
  word-break: normal;
  overflow-wrap: break-word;
  font-weight: 500;
  font-size: 13px;
  font-family: var(--serif-font-family);
  line-height: 2;
}

/* ima-exhibition-detail-container
============================== */
.ima-exhibition-detail-container {
  display: grid;
  grid-template-columns: 100%;
  padding: 40px 30px 48px;
  border-radius: var(--base-radius);
  background: url(../img/bg-shine-01.webp) left 50% top 10px/calc(100% - 20px) auto no-repeat, url(../img/bg-shine-02.webp) left 50% bottom 10px/calc(100% - 20px) auto no-repeat, var(--gradation-white);
  color: var(--color-blue-deep);
}

/* ima-exhibition-detail
============================== */
.ima-exhibition-detail {
  display: grid;
  grid-template-columns: 100%;
  gap: 30px;
}

.ima-exhibition-detail__head {
  display: grid;
  grid-template-columns: 100%;
  gap: 16px;
  text-align: center;
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
}

.ima-exhibition-detail__head:before {
  content: attr(data-en);
  margin-block: calc(var(--leading-trim) - .2em);
  background: linear-gradient(180deg, var(--color-blue) 45.19%, var(--color-blue-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  font-weight: 700;
  font-size: 32px;
  font-family: var(--en-font-family);
  line-height: 2;

  -webkit-text-fill-color: transparent;
}

.ima-exhibition-detail__body {
  display: grid;
  grid-template-columns: 100%;
  gap: 32px 0;
}

.ima-exhibition-detail__item {
  display: grid;
  grid-template-columns: auto 1fr;
  font-weight: 500;
  font-size: 15px;
  line-height: 2;
}

.ima-exhibition-detail__item>* {
  margin-block: var(--leading-trim);
}

.ima-exhibition-detail__item>dt:after {
  content: "\ff1a";
}

.ima-exhibition-detail__item small {
  display: block;
  padding-top: .5em;
  font-size: 13px;
}

/* ima-concept-lead
============================== */
.ima-concept-lead {
  margin-block: var(--leading-trim) calc(40px + var(--leading-trim));
  text-align: center;
  text-shadow: var(--shadow-text-light);
  letter-spacing: -.01em;
  font-weight: 900;
  font-size: 36px;
  font-family: var(--serif-font-family);
}

/* ============================================================
page - gallery
============================================================ */
/* ima-gallery
============================== */
.ima-gallery {
  display: grid;
  grid-template-columns: 100%;
  gap: 24px;
}

.ima-gallery+.ima-gallery {
  margin-top: 32px;
}

.ima-gallery._gap-small {
  gap: 13px;
}

.ima-gallery__item img {
  width: 100%;
}

/* ============================================================
page - goods
============================================================ */
/* ima-goods-block
============================== */
.ima-goods-block {
  width: 100%;
  background: rgba(218, 218, 218, .5);
}

.ima-goods-block iframe {
  width: 100%;
  height: 100%;
  min-height: 700px;
}