/* カスタムCSSファイル */

/* ヒラギノ角ゴシックフォント */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;600;700&display=swap');

/* フォント設定 */
body {
  font-family: 'Helvetica Neue', 'Helvetica', 'Arial', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Noto Sans JP', 'Yu Gothic', 'Meiryo', sans-serif;
  font-weight: 100;
  line-height: 1.6;
  margin-bottom: 2em;
}

main {
  margin-bottom: 2em;
}

/* 英語テキスト用のフォント設定 */
h1,
h2,
h3,
h4,
h5,
h6,
.title,
.heading,
p,
a,
[lang="en"],
.english-text {
  font-family: 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
  font-weight: 400;
  text-decoration: none;
  color: #969696;
  font-size: 1em;
}

a:hover {
  opacity: 0.8;
  transition: all 0.2s ease-in-out;
  /* 滑らかな0.2秒のトランジション */
}

a {
  transition: all 0.2s ease-in-out;
  word-wrap: break-word;
}

h1 {
  margin-top: 1em;
  font-size: 1.1em;
  margin-bottom: 2em;
}

p {
  font-size: 1em;
}

img {
  width: 100%;
  height: auto;
}

.title_link_container {
  padding: 13px 0px;
}

.title_link {
  font-size: 1.25em;
  letter-spacing: 0.1em;
}

.text_1_em {
  font-size: 1em;
}

h1 a {
  font-size: 1em;
}

/* 日本語テキスト用のフォント設定 */
[lang="ja"],
.japanese-text {
  font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Noto Sans JP', 'Yu Gothic', 'Meiryo', sans-serif;
}

.container,
.container-fluid,
.container-lg,
.container-md,
.container-sm,
.container-xl {
  max-width: 1400px;
  padding-left: 30px;
  padding-right: 30px;
  margin: 0px auto;
}

@media screen and (max-width: 768px) {

  .container,
  .container-fluid,
  .container-lg,
  .container-md,
  .container-sm,
  .container-xl {
    padding-left: 25px;
    padding-right: 25px;
  }
}

.title_link {
  padding: 10px 0px;
}

@media screen and (max-width: 768px) {
  .title_link {
    padding: 15px 0px;
  }
}

ul {
  list-style: none;
}

.top_menu_list {
  padding: 0px;
  margin-top: 0.7em;
}

.top_menu_list li {
  padding-bottom: 0.5em;
}

.year_list {
  margin-bottom: 2em;
}

.year_list h2 {
  padding-left: 20px;
}

.year_list p {
  padding-left: 40px;
}

@media screen and (max-width: 768px) {

  .year_list h2 {
    padding-left: 0px;
  }

  .year_list p {
    padding-left: 0px;
  }
}

.year_list p::before {
  content: "・";
  padding-right: 0px;
}

/* レスポンシブグリッドシステム */
.row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1em;
  width: 100%;
}

.col,
.col-1,
.col-2,
.col-3,
.col-4,
.col-5,
.col-6,
.col-7,
.col-8,
.col-9,
.col-10,
.col-11,
.col-12 {
  position: relative;
}

@media screen and (max-width: 768px) {
  .row {
    gap: 1em;
  }

  .col,
  .col-1,
  .col-2,
  .col-3,
  .col-4,
  .col-5,
  .col-6,
  .col-7,
  .col-8,
  .col-9,
  .col-10,
  .col-11,
  .col-12 {
    max-width: 95% !important;
    flex: 0 0 95% !important;
    width: 100%;
  }
}

@media screen and (max-width: 768px) {
  .sp_100 {
    max-width: 100% !important;
    flex: 0 0 100% !important;
  }
}

.glid_list {
  padding: 0px 20px;
}

.glid_list p {
  margin-bottom: 2.5em;
}

.mar_btm_1 {
  margin-bottom: 1em !important;
}

@media screen and (max-width: 768px) {
  .glid_list {
    padding: 0px;
  }
}

.glid_list h2 {
  margin-top: 0px;
}

.glid_list_inner {
  margin-bottom: 1em;
}

.col {
  flex-basis: 0;
  flex-grow: 1;
  max-width: 100%;
  box-sizing: border-box;
}

.col-1 {
  flex: 0 0 8.333333%;
  max-width: 8.333333%;
}

.col-2 {
  flex: 0 0 16.666667%;
  max-width: 16.666667%;
}

.col-3 {
  flex: 0 0 25%;
  max-width: 25%;
}

.col-4 {
  flex: 0 0 calc(33.333333% - 1em);
  max-width: calc(33.333333% - 1em);
  width: calc(33.333333% - 1em);
}

.col-5 {
  flex: 0 0 41.666667%;
  max-width: 41.666667%;
}

.col-6 {
  flex: 0 0 calc(50% - 0.5em);
  max-width: calc(50% - 0.5em);
  width: calc(50% - 0.5em);
}

.col-7 {
  flex: 0 0 58.333333%;
  max-width: 58.333333%;
}

.col-8 {
  flex: 0 0 66.666667%;
  max-width: 66.666667%;
}

.col-9 {
  flex: 0 0 75%;
  max-width: 75%;
}

.col-10 {
  flex: 0 0 83.333333%;
  max-width: 83.333333%;
}

.col-11 {
  flex: 0 0 91.666667%;
  max-width: 91.666667%;
}

.col-12 {
  flex: 0 0 100%;
  max-width: 100%;
}

/* タブレット（md）対応 */
@media (min-width: 768px) {
  .col-md-1 {
    flex: 0 0 8.333333%;
    max-width: 8.333333%;
  }

  .col-md-2 {
    flex: 0 0 16.666667%;
    max-width: 16.666667%;
  }

  .col-md-3 {
    flex: 0 0 25%;
    max-width: 25%;
  }

  .col-md-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
  }

  .col-md-5 {
    flex: 0 0 41.666667%;
    max-width: 41.666667%;
  }

  .col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
  }

  .col-md-7 {
    flex: 0 0 58.333333%;
    max-width: 58.333333%;
  }

  .col-md-8 {
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
  }

  .col-md-9 {
    flex: 0 0 75%;
    max-width: 75%;
  }

  .col-md-10 {
    flex: 0 0 83.333333%;
    max-width: 83.333333%;
  }

  .col-md-11 {
    flex: 0 0 91.666667%;
    max-width: 91.666667%;
  }

  .col-md-12 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}

/* デスクトップ（lg）対応 */
@media (min-width: 992px) {
  .col-lg-1 {
    flex: 0 0 8.333333%;
    max-width: 8.333333%;
  }

  .col-lg-2 {
    flex: 0 0 16.666667%;
    max-width: 16.666667%;
  }

  .col-lg-3 {
    flex: 0 0 25%;
    max-width: 25%;
  }

  .col-lg-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
  }

  .col-lg-5 {
    flex: 0 0 41.666667%;
    max-width: 41.666667%;
  }

  .col-lg-6 {
    flex: 0 0 50%;
    max-width: 50%;
  }

  .col-lg-7 {
    flex: 0 0 58.333333%;
    max-width: 58.333333%;
  }

  .col-lg-8 {
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
  }

  .col-lg-9 {
    flex: 0 0 75%;
    max-width: 75%;
  }

  .col-lg-10 {
    flex: 0 0 83.333333%;
    max-width: 83.333333%;
  }

  .col-lg-11 {
    flex: 0 0 91.666667%;
    max-width: 91.666667%;
  }

  .col-lg-12 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}

/* 大画面（xl）対応 */
@media (min-width: 1200px) {
  .col-xl-1 {
    flex: 0 0 8.333333%;
    max-width: 8.333333%;
  }

  .col-xl-2 {
    flex: 0 0 16.666667%;
    max-width: 16.666667%;
  }

  .col-xl-3 {
    flex: 0 0 25%;
    max-width: 25%;
  }

  .col-xl-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
  }

  .col-xl-5 {
    flex: 0 0 41.666667%;
    max-width: 41.666667%;
  }

  .col-xl-6 {
    flex: 0 0 50%;
    max-width: 50%;
  }

  .col-xl-7 {
    flex: 0 0 58.333333%;
    max-width: 58.333333%;
  }

  .col-xl-8 {
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
  }

  .col-xl-9 {
    flex: 0 0 75%;
    max-width: 75%;
  }

  .col-xl-10 {
    flex: 0 0 83.333333%;
    max-width: 83.333333%;
  }

  .col-xl-11 {
    flex: 0 0 91.666667%;
    max-width: 91.666667%;
  }

  .col-xl-12 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}

/* ユーティリティクラス */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.d-flex {
  display: flex;
}

.d-block {
  display: block;
}

.d-inline-block {
  display: inline-block;
}

.justify-content-center {
  justify-content: center;
}

.justify-content-between {
  justify-content: space-between;
}

.justify-content-around {
  justify-content: space-around;
}

.align-items-center {
  align-items: center;
}

.align-items-start {
  align-items: flex-start;
}

.align-items-end {
  align-items: flex-end;
}

/* ナビゲーションコンテナの制限 */
.navigation-container {
  width: auto;
  max-width: fit-content;
  position: relative;
}

/*============
nav-menu
=============*/
.nav-menu {
  display: block;
  position: fixed;
  top: 0;
  left: -300px;
  bottom: 0;
  width: 300px;
  background: #ffffff;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transition: all .5s;
  z-index: 3;
  opacity: 0;
}

.toggle_btn:hover span {
  opacity: 0.6;
}

.open .nav-menu {
  left: 0;
  opacity: 1;
}

.nav-menu .inner {
  padding: 25px;
}

.nav-menu .inner ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu .inner ul li {
  position: relative;
  margin: 0;
}

.nav-menu .inner ul li a {
  display: block;
  color: #969696;
  font-size: 1em;
  padding: 0.25em;
  text-decoration: none;
  transition-duration: 0.2s;
}

@media screen and (max-width: 767px) {
  .nav-menu {
    left: -220px;
    width: 220px;
  }
}

/*============
.toggle_btn - 2本線対応
=============*/
.toggle_btn {
  display: block;
  position: fixed;
  top: 17px;
  right: 25px;
  width: 25px;
  height: 25px;
  transition: all .5s;
  cursor: pointer;
  z-index: 3;
}

.toggle_btn span {
  display: block;
  position: absolute;
  left: 0;
  width: 25px;
  height: 2px;
  background-color: #969696;
  border-radius: 4px;
  transition: all .5s;
}

.toggle_btn span:nth-child(1) {
  top: 8px;
}

.toggle_btn span:nth-child(2) {
  bottom: 8px;
}

.open .toggle_btn span {
  background-color: #fff;
}

.open .toggle_btn span:nth-child(1) {
  -webkit-transform: translateY(2px) rotate(-45deg);
  transform: translateY(2px) rotate(-45deg);
}

.open .toggle_btn span:nth-child(2) {
  -webkit-transform: translateY(-5px) rotate(45deg);
  transform: translateY(-5px) rotate(45deg);
}

/*============
#mask
=============*/
#mask {
  display: none;
  transition: all .5s;
}

.open #mask {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  opacity: .8;
  z-index: 2;
  cursor: pointer;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
  .custom-button {
    padding: 10px 20px;
    font-size: 14px;
  }

  .custom-card {
    padding: 16px;
  }
}

/*============
img_box - 画像ボックスのスタイル
=============*/
.img_box {
  width: 100%;
  height: auto;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.img_box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* 並んだimg_boxの高さを統一 */
.row .col-6 .img_box {
  height: 100%;
  /* 自動計算 */
  min-height: 200px;
  /* 最小高さを設定 */
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .row .col-6 .img_box {
    height: 100%;
    /* モバイルでも自動計算 */
    min-height: 100%;
    /* モバイルでは最小高さを少し小さく */
  }
}

.hr_1 {
  margin-bottom: 1em;
  border-top: 1px solid #969696;
  width: 100%;
  opacity: 0.1;
}

.more_btn {
  font-size: 1em;
  margin-bottom: 0em !important;
  margin-top: 0em !important;
}

@media screen and (max-width: 768px) {

  .sp_inline_block {
    display: inline-block;
  }

  .more_btn {
    font-size: 1em;
  }
}

.exhibition_info {
  margin-top: 1em;
  margin-bottom: 1.5em;
}

.exhibition_info p {
  margin-top: 0em;
  margin-bottom: 0em;
}

.position_relative {
  position: relative;
}

/* モーダルスタイル */
#modal-container {
  display: none;
  position: fixed;
  background: rgba(0, 0, 0, .6);
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 99;
}



#modal-container>div {
  display: flex;
  height: 100%;
  justify-content: center;
  align-items: center;
  width: 50vw;
  margin: 0vw auto;
}

@media screen and (max-width: 768px) {
  #modal-container>div {
    width: 100vw;
  }
}

#modal-container>div>img {
  max-width: calc(100vw - 30px);
  max-height: calc(100vh - 30px);
  transition: transform 0.3s ease-in-out;
  cursor: zoom-in;
}

@media screen and (max-width: 768px) {
  #modal-container>div>img {
    max-width: 100vw;
  }
}

/* モーダル内画像のズーム状態 */
#modal-container>div>img.zoomed {
  transform: scale(1.5);
  cursor: zoom-out;
}

/* モーダル内のズームボタン */
.modal-zoom-btn {
  position: absolute;
  top: 20px;
  left: 20px;
  width: 40px;
  height: 40px;
  background: rgba(0, 0, 0, 0.7);
  border: 2px solid white;
  border-radius: 50%;
  color: white;
  font-size: 20px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease-in-out;
  z-index: 100;
}

.modal-zoom-btn:hover {
  background: rgba(0, 0, 0, 0.9);
  transform: scale(1.1);
}

/* モーダル閉じるボタン */
.modal-close-btn {
  position: absolute;
  top: 0px;
  right: 0.36em;
  /* width: 40px; */
  /* height: 40px; */
  background: none;
  border: none;
  /* border-radius: 50%; */
  color: white;
  font-size: 3em;
  font-weight: 100;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease-in-out;
  z-index: 100;
}
/* クリック可能な画像のスタイル */
img.popup {
  cursor: pointer;
  position: relative;
  transition: transform 0.3s ease-in-out;
}

/* ズーム状態の画像 */
img.popup.zoomed {
  transform: scale(1.5);
  z-index: 10;
}

/* ドラッグ可能な画像 */
img.popup.draggable {
  cursor: grab;
}

img.popup.dragging {
  cursor: grabbing;
}

/* モバイルでのタッチ操作最適化 */
@media (max-width: 768px) {
  img.popup {
    touch-action: manipulation;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
  
  .img_box {
    touch-action: manipulation;
  }
}

/* ズームボタン */
.zoom-btn {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid white;
  border-radius: 50%;
  color: white;
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease-in-out;
  z-index: 5;
}

.zoom-btn:hover {
  background: rgba(0, 0, 0, 0.9);
  transform: scale(1.1);
}

/* ズームアウトボタン */
.zoom-out-btn {
  position: absolute;
  bottom: 8px;
  right: 36px;
  width: 24px;
  height: 24px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid white;
  border-radius: 50%;
  color: white;
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease-in-out;
  z-index: 5;
}

.zoom-out-btn:hover {
  background: rgba(0, 0, 0, 0.9);
  transform: scale(1.1);
}

/* ＋マークのスタイル */
.plus-icon {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 1.25em;
  height: 1.25em;
  /* border-radius: 50%; */
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  opacity: 0.5;
  font-size: 1em;
  font-weight: 400;
  background: #969696;
}

.cursor_pointer {
  cursor: pointer;
  transition: all 0.2s ease-in-out;
}

.cursor_pointer:hover {
  opacity: 0.6;
}

.text_8_5_em {
  font-size: 1em !important;
}

.text_0_5_em {
  font-size: 0.9em !important;
}

.mar_btm_2 {
  margin-bottom: 2em;
}

.pc_only {
  display: block;
}

.sp_only {
  display: none;
}

@media screen and (max-width: 768px) {
  .pc_only {
    display: none;
  }

  .sp_only {
    display: block;
  }

  .glid_list p {
    margin-bottom: 1em!important;
  }

  .sp_none {
    display: none;
  }
}

.release_list {
  padding: 0px;
}

.release_list_inner {
  margin-bottom: 1em!important
}

.release_info {
  margin-top: 0em;
  margin-bottom: 1em;
}

.release_info p {
  margin-top: 0em;
  margin-bottom: 0em;
}

.mar_btm_0_5 {
  margin-bottom: 0.5em!important;
}

.mar_top_1 {
  margin-top: 1em!important;
}

@media screen and (max-width: 768px) {

  .release_list_img {
    gap: 0em;
  }

  .release_info {
    margin-top: 1em;
    margin-bottom: 0.5em!important;
  }

  .release_info p {
    margin-bottom: 0.25em!important;
  }

  .mar_top_1_sp {
    margin-top: 1em!important;
  }

  .sp_mar_btm_0 {
    margin-bottom: 0em!important;
  }

  .glid_list .sp_mar_btm_0_5 {
    margin-bottom: 0.5em!important;
  }

  .release_list_inner {
    margin-bottom: 0em!important
  }
}

input,label {
  color: #969696;
  font-size: 1em;
  display: block;
  font-family: 'Helvetica Neue', 'Helvetica', 'Arial', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Noto Sans JP', 'Yu Gothic', 'Meiryo', sans-serif;
  font-weight: 400;
}

input {
  padding: 0.5em;
  font-size: 0.8em;
  border-color: #969696;
  font-family: 'Helvetica Neue', 'Helvetica', 'Arial', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Noto Sans JP', 'Yu Gothic', 'Meiryo', sans-serif;
}

textarea {
  padding: 0.2em 0.5em;
  font-size: 0.8em;
  border-color: #969696;
  font-family: 'Helvetica Neue', 'Helvetica', 'Arial', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Noto Sans JP', 'Yu Gothic', 'Meiryo', sans-serif;
  width: 50%;
}

@media screen and (max-width: 768px) {


  input {
    width: 90%;
  }
  
  textarea {
    width: 90%;
  }
  
}

#send_btn {
  background-color: #969696;
  color: #fff;
  border: none;
  border-radius: 0.25em;
  padding: 0.5em;
}

#send_btn:hover {
  cursor: pointer;
}

/* ID「name」を持つinput要素にスタイルを適用 */
#name, #email, #message {
  color: #969696; /* 入力文字の色 */
  border: 1px solid #969696; /* 枠線の色 */
}

/* プレースホルダーの文字色を指定 */
#name::placeholder, #email::placeholder, #message::placeholder {
  color: rgba(179, 179, 179, 0.5); /* 入力文字の色（透過度0.5） */
  opacity: 1; /* ブラウザによる透明化をリセット */
}

.mar_btm_0 {
  margin-bottom: 0em!important;
}

.undertline {
  text-decoration: underline;
}