*{
    box-sizing: border-box;
}
html{
    font-size: 62.5%;
}
body{
    color: #272d25;
    background-color: #fffefc;
    font-family: "Zen Kaku Gothic New", sans-serif;
    font-weight: 500;
    font-size: 1.6rem;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
}
img{
    max-width: 100%;
    width: 100%;
    vertical-align: bottom;
}




/* スマホ用css -----------------------------------------*/

/* -----------wrapper------------ */
.wrapper{
    width: 100%;
    margin: 0 auto;
    position: relative;
}


/* ----------ヘッダー----------- */
.text_hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }
header .header_title{
    padding: 100px 0 15px 0;
}
header h1{
    width: 100%;
}
header h2{
    position: absolute;
    top: 40px;
    line-height: 1;
    font-size: 2.2rem;
    font-weight: 700;
}



 /* --header/言語切り替え-- */
    .flex_nav{
        display: flex;
        gap: 10px;
        align-items: center;
        position: fixed;
        top: 40px;
        right: 4.545%;
        z-index: 10;
    }
    /* 親コンテナ */
    .top_lang-switcher {
        position: relative;
        display: inline-block;
        transition: opacity 0.3s ease;
    }
    .top_lang-switcher.hide{
        opacity: 0;
        pointer-events: none;
    }
    /* LANGUAGEボタン */
    #language-toggle {
        background-color: #272d25;
        color: #fffefc;
        border: none;
        padding: 0.5em 1em;
        cursor: pointer;
        font-weight: bold;
        border-radius: 0.5em;
        position: relative;
    }
    
    /* 言語リスト（初期状態は非表示） */
    #language-menu {
        text-align: center;
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%);
        margin: 0;
        padding: 10px 20px;
        list-style: none;
        background-color: #fff;
        border: 1px solid #ccc;
        width: 150px;
        opacity: 0;
        max-height: 0;
        overflow: hidden;
        transition: opacity 0.3s ease, max-height 0.3s ease;
        z-index: 100;
        border-radius: 0.2em;
    }
    #language-menu li {
        text-align: center;
    }
    #language-menu a{
        text-decoration: none;
        display: block;
        color: #272d25;
        border-bottom: 1px solid #d9d9d9;
        margin-bottom: 10px;
        padding: 0 10px 10px;
    }
    /* 日本語ページ */
    html[lang="ja"] #language-menu .en a,html[lang="ja"] #language-menu .de a,html[lang="ja"] #language-menu .fr a{
        color: #959595;
    }
    html[lang="ja"] #language-menu .en a:hover,html[lang="ja"] #language-menu .de a:hover,html[lang="ja"] #language-menu .fr a:hover {
        color: #272d25;
    }
    /* 英語ページ */
    html[lang="en"] #language-menu .ja a,html[lang="en"] #language-menu .de a,html[lang="en"] #language-menu .fr a{
        color: #959595;
    }
    html[lang="en"] #language-menu .ja a:hover,html[lang="en"] #language-menu .de a:hover,html[lang="en"] #language-menu .fr a:hover {
        color: #272d25;
    }
    /* ドイツ語ページ */
    html[lang="de"] #language-menu .ja a,html[lang="de"] #language-menu .en a,html[lang="de"] #language-menu .fr a{
        color: #959595;
    }
    html[lang="de"] #language-menu .ja a:hover,html[lang="de"] #language-menu .en a:hover,html[lang="de"] #language-menu .fr a:hover {
        color: #272d25;
    }
    /* フランス語ページ */
    html[lang="fr"] #language-menu .ja a,html[lang="fr"] #language-menu .en a,html[lang="fr"] #language-menu .de a{
        color: #959595;
    }
    html[lang="fr"] #language-menu .ja a:hover,html[lang="fr"] #language-menu .en a:hover,html[lang="fr"] #language-menu .de a:hover {
        color: #272d25;
    }
    
    #language-menu li:last-child a {
        border-bottom: none;
        margin-bottom: 0;
        padding-bottom: 0;
    }
    
    /* 表示状態のクラス（JavaScriptで付ける） */
    #language-menu.open {
        opacity: 1;
        max-height: 200px; /* 十分に大きければOK */
    }


/* -----------------ハンバーガーメニュー---------------- */

/* ハンバーガーメニュークリック前 */
/* クリックエリアと位置を指定 ---------------------- */
.btnHamburger {
    width: 30px; /* クリックエリアの横幅*/
    height: 20px; /* クリックエリアの高さ*/
    z-index: 4;
    position: relative;
    }
  
  /* 3本線の1本ごとに共通するスタイルを指定 ---------------------- */
    .btnHamburger .line {
    position: absolute;
    top: 0;
    right: 0;
    display: block;
    width: 20px; /* 横幅 */
    height: 2px; /* 1本辺りの高さ */
    background: #272d25; /* 線の色 */
  
    /* 適用するプロパティ、変化する時間、変化する速度 */
    transition: 0.3s;
    }
  
  /* 3本線の各線の位置を指定 ---------------------- */
    .btnHamburger .line_01 { top: 0; }
    .btnHamburger .line_02 { top: 8px; }
    .btnHamburger .line_03 { top: 16px; }
  
  /* #coverlayer01クリック前 */
    #coverlayer01{
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 1px;
        background: #fffefc;
        opacity: 0;
        transition: 0.5s;
        z-index: 3;
    }
  
  /* navクリック前 */
    nav{
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        opacity: 0;
        transition: 0.5s;
        z-index: 3;
        max-height: 100dvh; /* 画面全体の高さに制限 */
        overflow-y: scroll;
        -webkit-overflow-scrolling: touch;
    }
  
  
  /* ハンバーガーメニュークリック後 */
  
  /* 最上部の線のスタイル ---------------------- */
    .btnHamburger.is-active .line_01 {
        top: 8px; /* 上から2番目の線の位置に変更 */
    /* 線を45度回転 */
    transform: rotate(45deg);
    }
  
  /* 上から2番目の線のスタイル ---------------------- */
    .btnHamburger.is-active .line_02 {
    opacity: 0; /* 不透明度を下げて線を消す */
    }
  
  /* 最下部の線のスタイル ---------------------- */
    .btnHamburger.is-active .line_03 {
        top: 8px; /* 上から2番目の線の位置に変更 */
  
    /* 線を135度回転 */
    transform: rotate(135deg);
    }
  
  /* #coverlayer01クリック後 */
    #coverlayer01.is-active{
        width: 100%;
        opacity: 1;
    }
  
  
  /* navクリック後 */
    nav.is-active{
        right: 0;
        opacity: 1;
    }

    /* -----------.black-overlay----------- */
    .black-overlay{
        position: fixed;
        top: 0;
        right: 0;
        width: 1px;
        height: 100%;
        opacity: 0;
        background-color: #444444;
        z-index: 2;
        transition: 0.3s;

    }
    .black-overlay.is-active{
        width: 100%;
        opacity: 0.6;
        display: block;
    }


    /* ----------ナビゲーション----------- */
    nav .nav_logo{
        width: 50%;
        max-width: 220px;
        margin: 60px auto  60px;
    }
    nav ul{
        text-align: center;
        font-size: 2rem;
        font-weight: 400;
    }
    nav a{
        text-decoration: none;
        display: block;
        color: #272d25;
    }
    nav ul li a{
        border-bottom: 1px solid #d9d9d9;
        padding: 20px 0;
        margin: 0 auto;
        width: 61.363%;
        max-width: 270px;
        
    }
    nav ul li:last-child a{
        margin-bottom: 60px;
    }
    /* -SNS/mailアイコン- */
    .nav_sns_icon{
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 18.181%;
        min-width: 60px;
        max-width: 80px;
        margin: 0 auto 35px;
    }
    .nav_sns_icon a{
        color: #272d25;
    }
    .insta i{
        font-size: 3rem;
    }
    .mail i{
        font-size: 2.6rem;
    }
    /* --NAV/リンクボタン-- */
    .nav_hp_btn{
        font-size: 2rem;
        text-align: center;
        margin-bottom: 50px;
        line-height: 2rem;
    }
    .nav_hp_btn i{
        font-size: 1.6rem;
        border: 1px solid #272d25;
        border-radius: 50%;
        padding: 3px;
        margin-left: 10px;
    }
    /* --NAV/言語切り替え-- */
    .nav_lang-switcher{
        font-size: 2rem;
        font-weight: 700;
        display: flex;
        justify-content: space-between;
        width: 34.090%;
        min-width: 120px;
        max-width: 150px;
        margin: 0 auto 60px;
    }
    
    html[lang="ja"] .nav_lang-switcher .en_switch a,html[lang="ja"] .nav_lang-switcher .de_switch a,html[lang="ja"] .nav_lang-switcher .fr_switch a{
        color: #959595;
    }
    html[lang="en"] .nav_lang-switcher .ja_switch a,html[lang="en"] .nav_lang-switcher .de_switch a,html[lang="en"] .nav_lang-switcher .fr_switch a{
        color: #959595;
    }
    html[lang="de"] .nav_lang-switcher .ja_switch a,html[lang="de"] .nav_lang-switcher .en_switch a,html[lang="de"] .nav_lang-switcher .fr_switch a{
        color: #959595;
    }
    html[lang="fr"] .nav_lang-switcher .ja_switch a,html[lang="fr"] .nav_lang-switcher .en_switch a,html[lang="fr"] .nav_lang-switcher .de_switch a{
        color: #959595;
    }

    

   
  



    /* ----------テキスト、サイズ、ウェイト、字間、余白設定-------- */
    #top_main .exh_name{
        font-size: 3.5rem;
        font-weight: 900;
        line-height: 1.1;
        margin-bottom: 15px;
        letter-spacing: 0.02em;
    }
    #top_main .exh_dates{
        color: #959595;
        font-size: 2rem;
        line-height: 1.1;
    }
    .small_caption{
        font-size: 1.4rem;
        border-bottom: 1px solid #d9d9d9;
        margin-bottom: 30px;
        padding-bottom: 10px;
    }
    .section_title{
        font-family: "Montserrat", sans-serif;
        font-optical-sizing: auto;
        font-weight: 800;
        font-style: normal;
        font-size: 2.6rem;
        margin-bottom: 60px;
    }
    .section_subtitle{
        font-size: 2.2rem;
        font-weight: 600;
        line-height: 1.5;
        margin-bottom: 30px;
        white-space: nowrap;
    }
    #about_pm section .section_subtitle{
        font-size: 2rem;
        white-space: wrap;
    }



    /* --------------コンテンツ左右余白設定------------ */
    header,article,#top_main,footer{
        margin-left: 4.545%;
        margin-right: 4.545%;
    }

    /* --------------改行設定------------ */
    .sp_br{
        display: inline;
    }
    .tbpc_br{
        display: none;
    }
    .tb_br{
        display: none;
    }
    .pc_br{
        display: none;
    }

    /* ----------トップメイン----------- */
    #top_main{
        margin-bottom: 60px;
    }
    .exh_head{
        margin-top: 50px;
        display: flex;
        flex-wrap: wrap;
        align-items: flex-end;
        gap: 0 10px;
    }
    .exh_name{
        width: 100%;
    }
    .exh_head .exh_dates .line{
        display: inline-block;
        width: 30px;  
        height: 1px;    
        background-color: #959595;
    }
    .upper_text{
        display: flex;
        align-items: center; /* ←文字も線もぴったり中央 */
        gap: 10px;
        margin-bottom: 5px;
    }
    .exh_details {
        margin-top: 20px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease;
        width: 100%;
    }
    .exh_details p:first-child{
        margin-bottom: 10px;
    }
      
    .exh_details.is-open {
        max-height: 200px; /* 降りてくる高さ */
    }
    .exh_toggle_btn {
        display: inline-flex;
        justify-content: center;
        align-items: center;
        width: 30px;
        height: 30px;
        border: 1px solid #959595;
        border-radius: 50%;
        background: transparent;
        color: #959595;
        cursor: pointer;
        transition: all 0.3s ease;
    }
      
    .exh_toggle_btn i {
        font-size: 16px;
        transition: transform 0.3s ease;
    }


      
    /* ----------展示コンセプト----------- */
    #concept section{
        margin-bottom: 45px;
    }
    #concept section:nth-of-type(2) h4,#concept section:nth-of-type(4) h4{
        text-align: right;
    }
    #concept section:nth-of-type(2),#concept section:nth-of-type(4){
        margin-bottom: 60px;
    }
    #concept section:last-of-type{
        margin-bottom: 100px;
    }
    #concept section p:first-of-type{
        margin-bottom: 25px;
    }
    /* #concept section:last-of-type p:nth-last-of-type(2){
        margin-bottom: 25px;
    } */
    #concept figure{
        margin-bottom: 60px;
    }

    /* ----フェードイン！！！--- */
    .fade_off {
    opacity: 0;
    transform: translateY(30px);
    transition: 1s;
    }

    .fade_on {
    opacity: 1;
    transform: translateY(0px);
    }



    /* ----------作品フル画面写真----------- */
    .artimg{
        padding-bottom: 100px;
        background-color: #F7F6F6;
    }


    /* ----------アバウトピクセルモンタージュ----------- */
    #about_pm{
        background-color: #F7F6F6;
        padding: 0px 4.545% 50px;
        margin: 0 0 50px 0;
    }
    #about_pm section{
        margin-bottom: 60px;
    }
    #about_pm section:nth-of-type(3) p:first-of-type,#about_pm section:nth-of-type(4) p:first-of-type{
        margin-bottom: 25px;
    }
    #about_pm section:last-of-type{
        margin-bottom: 0;
    }
    .flex_subtitle{
        display: flex;
        align-items: flex-end;
        margin-bottom: 15px;
        gap: 10px;
    }
    #about_pm .section_number{
        font-size: 3.2rem;
        font-weight: 700;
        line-height: 1;
    }
    #about_pm .section_subtitle{
        margin-bottom: 0;
        line-height: 1;
    }
   
    



    /* ----------------アートワーク---------------- */
    #art{
        margin-bottom: 100px;
    }
    #art section{
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 5px;
    }
    #art figure{
        position: relative;
    }
    #art section p{
        font-size: 1.4rem;
        font-weight: 500;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        color: #fffdf9;
        display: none;
        white-space: nowrap;
        letter-spacing: 0.08em;
    }
    #art figure:hover img{
        filter: brightness(70%);
        transition: filter 0.3s;
    }
    #art figure:hover p{
        display: block;
    }



    /* ----------------プロフィール---------------- */
    #prof{
        margin-bottom: 40px;
    }
    #prof img{
        width: 53.75%;
        display: block;
        margin: 0 auto 40px;
    }
    #prof .prof_flex_name{
        display: flex;
        justify-content: center;
        align-items: flex-end;
        gap: 10px;
        line-height: 1;
        margin-bottom: 20px;
    }
    #prof .prof_ja_name{
        font-size: 2.6rem;
        font-weight: 700;
    }
    #prof .prof_en_name{
        color: #959595;
    }
    #prof section p{
        font-size: 1.4rem;
        margin-bottom: 15px;
    }
    #prof section p:last-of-type{
        margin: 0;
    }
    #prof section .hptext,#prof section.mailtext{
        margin-bottom: 0;
        font-size: 1.4rem;
    }

    /* ----------------リンクボタン---------------- */
    #flex_link_btn{
        margin: 0 auto 120px;
        text-align: center;
        width: max-content;
    }
    #flex_link_btn a{
        font-size: 2rem;
        text-align: center;
        text-decoration: none;
        color: #fffdf9;
        background-color: #272d25;
        padding: 10px 20px; /* 上下左右の余白を統一 */
        display: inline-flex; /* テキストとアイコンを横並びにする */
        align-items: center;
    }
    
    /* -丸アイコン- */
    .circle_icon {
        font-size: 1.4rem;
        display: inline-flex;
        justify-content: center;
        align-items: center;
        width: 25px;
        height: 25px;
        border: 2px solid #fffdf9;
        border-radius: 50%;
        margin-left: 10px;
        flex-shrink: 0;
      }
    #flex_link_btn .hp_btn{
        margin-bottom: 20px;
    }


    /* ----------------インフォメーション---------------- */
    #info{
        background-color: #272d25;
        color: #fffdf9;
        border-radius: 15px;
        padding: 35px 15px 85px;
        margin-bottom: 120px;
    }
    #info .section_title{
        text-align: center;
        margin-bottom: 35px;
    }
    #info .flex_information{
        display: flex;
        justify-content: center;
        gap: 6.809%;
        align-items: center;
    }
    #info .side_title{
        writing-mode: vertical-rl;
        font-size: 2.4rem;
    }
    #info .infotext{
        border-left: 1px solid #fffdf9;
        padding-left: 5.504%;
        width: 72.972%;
        max-width: 270px;
        min-width: 235px;
    }
    #info .infotext h4{
        font-size: 2rem;
        margin-bottom: 10px;
    }
    #info .infotext section:first-child{
        margin-bottom: 20px;
        padding: 0 0 20px 5.617%;
        border-bottom: 1px solid #fffdf9;
    }
    #info .infotext section{
        padding-left: 5.617%;
    }
    #info .colon{
        display: none;
    }

    /* ----------フッター----------- */

    footer{
        position: relative;
    }

    /* footer/logo */
    footer .footer_logo{
        width: 65%;
        max-width: 260px;
        margin: 0 auto;
    }
    footer .footer_artist_name{
        text-align: center;
        margin-bottom: 55px;
    }
    
    /* footer/nav */
    .footer_nav{
        margin:0 auto 60px;
    }
    footer .footer_nav ul{
        display: grid;
        grid-template-columns: repeat(3, 1fr); /* 3列作る */
        gap: 20px 10px; /* 縦横の隙間 */
        text-align: center;
    }
    footer .footer_nav ul a{
        font-size: 1.4rem;
        font-weight: 700;
        text-decoration: none;
        display: block;
        color: #272d25;
    }
    /* -SNS/mailアイコン- */
    .footer_sns_icon{
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 80px;
        margin: 0 auto 80px;
    }
    .footer_sns_icon a{
        color: #272d25;
    }
    /* footer/credit */
    .credit{
        text-align: center;
        font-size: 1.2rem;
        margin-bottom: 20px;
    }
    /* footer/cp */
    footer .copy{
        text-align: center;
        font-size: 1.2rem;
        margin-bottom: 40px;
    }
    /* -ページトップボタン- */
    .pagetop{
        line-height: 25px;
        writing-mode: vertical-rl;
        position: absolute;
        bottom: 120px;
        right: 0;
        line-height: 1;
    }
    .pagetop a{
        display: flex;
        align-items: start;
        text-decoration: none;
        color: #272d25;
    }
    .pagetop p{
        font-size: 1.4rem;
        
    }



















    /* タブレット用css -----------------------------------------*/

    @media screen and (min-width:600px){


    /* --------------コンテンツ左右余白設定------------ */
    header,article,#top_main,footer{
        margin-left: 0;
        margin-right: 0;
    }

    /* --------------改行設定------------ */
    .sp_br{
        display: none;
    }
    .tb_br{
        display: inline;
    }
    .tbpc_br{
        display: inline;
    }
    .pc_br{
        display: none;
    }

    /* --------------ヘッダー------------ */
    header{
        padding: 0px 2.997% 0;
    }
    header .header_title{
        position: static;
        display: block;
        width: 100%;
        order: 1;
        padding:120px 0 30px;
    }
    header h1{
        width: 100%;
    }
    header h2{
        font-size: 2.8rem;
        font-weight: 700;
    }

    /* --------------ナビゲーション------------ */
    /* --header/言語切り替え-- */
    .flex_nav{
        top: 40px;
        right: 2.997%;
        z-index: 10;
    }
    nav{
        width: 60%;
    }
    /* #coverlayer01クリック後 */
    #coverlayer01.is-active{
        width: 60%;
        opacity: 1;
    }



    /* ----------テキスト、サイズ、ウェイト、字間、余白設定-------- */
    #top_main .exh_name{
        font-size: 5.6rem;
        font-weight: 900;
        line-height: 1.1;
        margin-bottom: 0px;
    }
    #top_main .exh_dates{
        color: #959595;
        font-size: 3.2rem;
        line-height: 1.1;
    }
    .exh_details{
        font-size: 1.8rem;
    }
    .small_caption{
        margin-bottom: 40px;
    }
    .section_title{
        font-size: 4.8rem;
        margin-bottom: 60px;
    }
    .section_subtitle{
        font-size: 2.4rem;
        font-weight: 600;
        line-height: 1.6;
        margin-bottom: 30px;
    }
    #about_pm section .section_subtitle{
        font-size: 2.4rem;
        white-space: wrap;
    }




    /* --------------トップメイン------------ */
    #top_main{
        margin-bottom: 115px;
        padding: 0 2.997%;
    }
    #top_main .exh_head{
        margin: 50px 3.188% 0;
        gap: 0;
    }
    .exh_details{
        margin-top: -50px;
        overflow: visible;
        width: 41.553%;
        max-width: max-content;
        margin-left: auto;
        max-height: none;
    }
    .exh_toggle_btn{
        display: none;
    }

    /* ----------展示コンセプト----------- */
    #concept{
        padding: 0 5.395%;
    }
    #concept section{
        padding: 0 7.493%;
        margin-bottom: 60px;
    }
    #concept section .concept_text{
        width: 85.443%;
        min-width: 455px;
    }
    #concept section:nth-of-type(2) .concept_text,#concept section:nth-of-type(4) .concept_text{
        margin-left: auto;
    }
    #concept section:nth-of-type(2),#concept section:nth-of-type(4){
        margin-bottom: 80px;
    }
    #concept section:last-of-type{
        margin-bottom: 120px;
    }
    #concept figure{
        margin-bottom: 80px;
    }

     



    /* ----------アバウトピクセルモンタージュ----------- */
    #about_pm{
        padding-top: 100px;
        padding: 0 5.395% 90px;
        margin: 0 0 90px 0;
    }
    #about_pm section{
        display: flex;
        justify-content: space-between;
        padding: 0 7.493%;
    }
    /* 小見出しの幅 */
    #about_pm .flex_subtitle{
        display: block;
        width: 37.5%;
        margin: 0;
    }
    #about_pm .section_number{
        line-height: 1.5;
    }
    #about_pm .section_subtitle{
        line-height: 1.6;
        white-space: wrap;
    }
    #about_pm .about_text{
        border-left: 1px solid #272d25;
        padding-left: 4.746%;
        width: 62.816%;
    }

     /* ----------------アートワーク---------------- */
    #art{
        margin: 0 5.395% 100px;
    }
    #art section{
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 5px;
    }


    /* ----------------プロフィール---------------- */
    #prof{
        padding: 0 5.395%;
        margin-bottom: 40px;
    }
    #prof .section_title{
        text-align: center;
    }
    #prof section img{
        width: 61.707%;
    }
    #prof .prof_flex_name{
        justify-content: center;
        gap: 10px;
        line-height: 1;
        margin-bottom: 20px;
    }
    #prof section{
        width: 59.811%;
        margin: 0 auto;
        min-width: 450px;
    }

    /* ----------------リンクボタン---------------- */
    #flex_link_btn{
        display: flex;
        gap: 20px;
        margin-bottom: 150px;
    }
    #flex_link_btn .hp_btn{
        margin-bottom: 0;
    }


    /* ----------------インフォメーション---------------- */
    #info{
        margin: 0 5.395% 200px;
        padding: 35px 0 85px;
    }
    #info .flex_information{
        display: flex;
        justify-content: center;
        gap: 30px;
        align-items: center;
    }
    #info .infotext{
        padding-left: 30px;
        width: 54.368%;
        min-width: 355px;
        max-width: 405px;
    }
    #info .infotext section:first-child{
        margin-bottom: 20px;
        padding: 0 0 20px 0;
    }
    #info section{
        display: flex;
        gap: 13.856%;
        padding: 0 0 20px 0;
    }
    #info .side_title{
        writing-mode: vertical-rl;
        font-size: 3.2rem;
    }
    #info .infotext section{
        padding-left: 0;
    }
    #info .colon{
        display: inline;
    }

    

    /* ----------------フッター---------------- */
    footer{
        padding: 0 18.465%;
    }
    /* -ページトップボタン- */
    .pagetop{
        right: 60px;
    }
    /* -nav */
    footer .footer_nav{
        margin: 0 auto 60px;
        max-width: 450px;
    }
}































 /* PC用css -----------------------------------------*/

 @media screen and (min-width:960px){

/* --------------wrapper/inner------------ */
.inner{
    max-width: 1400px;
    margin: 0 auto;
}
#art{
    margin: 0 2.604% 100px;
}
/* --------------改行設定------------ */
.tb_br{
    display: none;
}
.pc_br{
    display: inline;
}
/* ----------テキスト、サイズ、ウェイト、字間、余白設定-------- */
#top_main .exh_dates{
    color: #959595;
    font-size: 4rem;
    line-height: 1.1;
}
.exh_details{
    font-size: 1.8rem;
}
.small_caption{
    margin-bottom: 40px;
}
.section_title{
    font-size: 6.4rem;
    margin-bottom: 60px;
}
.section_subtitle{
    font-size: 2.6rem;
    font-weight: 600;
    line-height: 1.6;
    margin-bottom: 30px;
}
#concept .section_subtitle{
    margin-top: -3.8px;
}
#about_pm section .section_subtitle{
    font-size: 2.6rem;
    white-space: wrap;
}

 /* --------------ヘッダー------------ */
 header{
    display: flex;
    align-items: start;
    justify-content: space-between;
    padding: 20px 5.208% 0;
}
header .header_title{
    min-width: 260px;
}
header h2{
    font-size: 3rem;
}

/* --------------ナビゲーション------------ */
/* --header/言語切り替え-- */
.flex_nav{
    top: 40px;
    right: 5.208%;
    z-index: 10;
}
nav{
    width: 40%;
}
/* #coverlayer01クリック後 */
#coverlayer01.is-active{
    width: 40%;
    opacity: 1;
}


/* --------------トップメイン------------ */
#top_main{
    display: flex;
    justify-content: space-between;
    padding: 0 5.208%;
    align-items: center;
}
#top_main picture{
    width: 67.441%;
}
#top_main picture{
    order: 2;
}
#top_main .exh_head{
    order: 1;
}
#top_main .exh_name{
    margin-bottom: 30px;
}
#top_main .exh_head{
    display: block;
    margin: 0;
    gap: 0;
}
.exh_head .exh_dates{
    margin-bottom: 20px;
}
.exh_details{
    margin-top: 0;
    width: max-content;
    margin-left: 0;
    max-height: none;
}

/* ----------展示コンセプト----------- */
#concept{
    padding: 0 2.604%;
}
#concept section{
    display: flex;
    gap: 3.571%;
    padding: 0 3.928%;
    margin-bottom: 100px;
}
#concept section p{
    max-width: 585px;
}
#concept section:nth-of-type(2) p,#concept section:nth-of-type(4) p{
    margin-left: auto;
}
#concept section:nth-of-type(2),#concept section:nth-of-type(4){
    margin-bottom: 120px;
    justify-content: right;
}
#concept section:last-of-type{
    margin-bottom: 180px;
}
#concept figure{
    margin-bottom: 120px;
}
#concept section:nth-of-type(2) .concept_text,#concept section:nth-of-type(4) .concept_text{
    order: 1;
}
#concept section:nth-of-type(2) .section_subtitle,#concept section:nth-of-type(4) .section_subtitle{
    order: 2;
}

/* -----------作品フル画面写真---------- */
.artimg{
    padding-bottom: 180px;
    background-color: #F7F6F6;
} 


/* ----------アバウトピクセルモンタージュ----------- */
#about_pm{
    padding: 0 2.604% 90px;
}
#about_pm section{
    margin: 0;
    padding: 0;
}
.pc_grid{
    display: grid;
    grid-template-columns: repeat(2,1fr);
    column-gap: 4.285%;
    row-gap: 60px;
    padding: 0 1.785%;
}
#about_pm .section_subtitle{
    font-size: 2.4rem;
}

/* 日本語 */
html[lang="ja"] #about_pm .flex_subtitle{
    margin: 0;
    width: 37.77%;
}
html[lang="ja"] #about_pm .about_text{
    height: max-content;
    width: 62.229%;
    padding-left: 4.878%;
}

/* 英語 */
html[lang="en"] #about_pm .flex_subtitle{
    margin: 0;
    width: 31.269%;
}
html[lang="en"] #about_pm .about_text{
    height: max-content;
    width: 70.278%;
    padding-left: 3.095%;
}
html[lang="en"] #about_pm section:first-of-type .about_text{
    padding-bottom: 45px;
}


/* ドイツ語 */
/* ドイツ語-左列（1・3番） */
html[lang="de"] #about_pm section:nth-of-type(1) .flex_subtitle,html[lang="de"] #about_pm section:nth-of-type(3) .flex_subtitle{
    margin: 0;
    width: 38.699%;
}
html[lang="de"] #about_pm section:nth-of-type(1) .about_text,html[lang="de"] #about_pm section:nth-of-type(3) .about_text{
    height: max-content;
    width: 61.3%;
    padding-left: 3.095%;
}
/* ドイツ語-右列（2・4番） */
html[lang="de"] #about_pm section:nth-of-type(2) .flex_subtitle,html[lang="de"] #about_pm section:nth-of-type(4) .flex_subtitle{
    margin: 0;
    width: 31.269%;
}
html[lang="de"] #about_pm section:nth-of-type(2) .about_text,html[lang="de"] #about_pm section:nth-of-type(4) .about_text{
    height: max-content;
    width: 68.73%;
    padding-left: 3.095%;
}

html[lang="de"] #about_pm section:first-of-type .about_text{
    padding-bottom: 15px;
}


/* フランス語 */
/* フランス語-左列（1・3番） */
html[lang="fr"] #about_pm section:nth-of-type(1) .flex_subtitle,html[lang="fr"] #about_pm section:nth-of-type(3) .flex_subtitle{
    margin: 0;
    width: 31.269%;
}
html[lang="fr"] #about_pm section:nth-of-type(1) .about_text,html[lang="fr"] #about_pm section:nth-of-type(3) .about_text{
    height: max-content;
    width: 68.73%;
    padding-left: 3.095%;
}
/* フランス語-右列（2・4番） */
html[lang="fr"] #about_pm section:nth-of-type(2) .flex_subtitle,html[lang="fr"] #about_pm section:nth-of-type(4) .flex_subtitle{
    margin: 0;
    width: 32.352%;
}
html[lang="fr"] #about_pm section:nth-of-type(2) .about_text,html[lang="fr"] #about_pm section:nth-of-type(4) .about_text{
    height: max-content;
    width: 67.647%;
    padding-left: 3.095%;
}

html[lang="fr"] #about_pm section:first-of-type .about_text{
    padding-bottom: 15px;
}


/* ----------------アートワーク---------------- */
#art section{
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

/* ----------------プロフィール---------------- */
#prof{
    padding: 0 45px;
    margin-bottom: 45px;
}
#prof section{
    display: flex;
    /* gap: 13.186%; */
    gap: 10%;
    width: 75%;
    min-width: 870px;
}
#prof section img{
    margin: 0;
    width: 345px;
    height: 454px;
}
#prof .prof_flex_name{
    justify-content: left;
    margin-bottom: 20px;
}

/* ----------------リンクボタン---------------- */
#flex_link_btn{
    display: flex;
    gap: 20px;
    margin-bottom: 140px;
}


/* ----------------インフォメーション---------------- */
#info{
    width: 60.937%;
    max-width: 1100px;
    min-width: 870px;
    padding: 35px 15px 85px;
    margin: 0 auto 250px;
}



/* ----------------フッター---------------- */
/* -ページトップボタン- */
.pagetop{
    bottom: 200px;
    right: 60px;
}
/* footer/nav */
footer .footer_nav{
    max-width: 900px;
    margin: 0 auto 60px;
}
footer .footer_nav ul{
    grid-template-columns: repeat(5, 1fr); 
    gap: 20px 10px; /* 縦横の隙間 */
}


}
    
