@charset "utf-8";
/*
=======================================
  共通
=======================================
*/

/*------------------------------
単体クラス
------------------------------*/
body.size-l {
    font-size: 115%;
}

body.size-l .large {
    font-size: 190%;
}

body.size-l .small {
    font-size: 100%;
}

body.size-m {
    font-size: 100%;
}

body.size-m .large {
    font-size: 180%;
}

body.size-m .small {
    font-size: 85%;
}

body.size-s {
    font-size: 85%;
}

body.size-s .large {
    font-size: 160%;
}

body.size-s .small {
    font-size: 80%;
}

@media screen and (max-width:900px) {
    body.size-l {
        font-size: 110%;
    }

    body.size-l .large {
        font-size: 160%;
    }

    body.size-m {
        font-size: 100%;
    }

    body.size-m .large {
        font-size: 150%;
    }

    body.size-s {
        font-size: 90%;
    }

    body.size-s .large {
        font-size: 140%;
    }
}




/*
=======================================
  資料詳細
=======================================
*/
/*------------------------------
全体
------------------------------*/

#details {
    max-width: 1140px;
    width: 100%;
    margin: 0 auto;
    padding-bottom: 20px;
    box-shadow: 0 2px 10px 0 rgb(0 0 0 / 20%);
}

body.color-light #details {
    background: #fff;
    color: #000;
}

body.color-dark #details {
    background: #000;
    color: #fff;
}

body.color-dark a {
    color: #eee;
}


/*------------------------------
見出し
------------------------------*/
#details h2 {
    position: relative;
    text-align: center;
    padding: 13px;
    letter-spacing: 0.2em;
}

body.color-light #details h2 {
    background: #000;
    color: #fff;
}

body.color-dark #details h2 {
    background: #fff;
    color: #000;
}



@media screen and (max-width:900px) {
    #details {
        margin: 0;
    }
}

/*------------------------------
文字サイズ／色合い
------------------------------*/
.environment {
    display: flex;
    justify-content: end;
    height: 60px;
    margin-bottom: 30px;
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 100%;
}

/*ボタンcssリセット*/
button {
    padding: 0;
    background-color: transparent;
    border: none;
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    font-family: 'BIZ UDGothic', sans-serif;
    font-size: 1em;
}

.environment:not(.environment_sp) {
    display: flex;
    justify-content: end;
    height: 60px;
    /* margin-bottom: 30px; */
    line-height: 100%;
    padding: 16px 10px 16px 16px;
    /* float :right; */
}

.change-font-size {
    border-radius: 30px;
    border: #888 1px solid;
    display: flex;
    padding: 0px 10px;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 245px;
    box-sizing: border-box;
}

.change-font-size p span {
    white-space: nowrap;
    display: block;
}

body.color-light .environment .en {
    color: #888;
}

body.color-dark .environment .en {
    color: #999;
}

.change-font-size ul {
    margin-left: 20px;
    display: flex;
}

.change-font-size .size-s {
    font-size: 80%;
}

.change-font-size .size-m {
    font-size: 100%;
}

.change-font-size .size-l {
    font-size: 120%;
}

.change-font-size li {
    width: 30px;
    height: 30px;
    margin: 0 2px;
}

body.color-light .environment li button {
    background: #425262;
    color: #fff;
}

body.color-light .environment li button.active {
    background: #eeeeee;
}

.environment li button {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
}

body.color-light .environment li button.active {
    color: #888888;
}

body.color-dark .environment li button {
    background: #d1d1d1;
    color: #000;
}

body.color-dark .environment li button.active {
    background: #333;
    color: #fff;
}

.change-color-mode {
    border-radius: 30px;
    border: #888 1px solid;
    display: flex;
    margin-left: 10px;
    padding: 0px 10px;
    align-items: center;
    justify-content: center;
    width: 400px;
    box-sizing: border-box;
}

.change-color-mode p span {
    white-space: nowrap;
    display: block;
}

.change-color-mode ul {
    margin-left: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.change-color-mode li {
    width: 110px;
    /* height: 30px; */
    margin: 0 2px;
    border-radius: 2px;
}

.change-color-mode li button {
    display: block;
    width: 100%;
    height: 100%;
    padding: 8px 2px;
    box-sizing: border-box;
    line-height: 1.1;
    display: flex;
    align-items: center;
    justify-content: center;
}

/*------------------------------
レイアウト
------------------------------*/
#details main {
    padding: 30px 40px;
    clear: both;
    overflow: hidden;
}

#details .opus {
    float: left;
    width: 48%;
    text-align: center;
}

#details .opus img {
    width: 100%;
    max-width: 500px;
}

#iframe_wrapper {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 0;
    padding-top: 100%;
}

#details .opus iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#details .opus_detail {
    float: right;
    width: 48%;
}

@media screen and (max-width:900px) {
    #details main {
        padding-bottom: 10%;
    }

    #details .opus {
        float: none;
        width: 100%;
    }

    #details .opus_detail {
        float: none;
        width: 100%;
        margin-top: 2rem;
    }
}

/*------------------------------
etc
------------------------------*/
#details .close {
    text-align: center;
    padding: 15px;
    border-radius: 50px;
    display: block;
    margin: 0 auto;
    width: 200px;
    position: relative;
}

body #details .close {
    background: #000;
    color: #fff;
}

body.color-dark #details .close {
    background: #fff;
    color: #000;
}


@media screen and (max-width:450px) {
    #details .close {
        width: 130px;
    }
}

#details .close::before,
#details .close::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 25px;
    width: 2px;
    /* 棒の幅（太さ） */
    height: 20px;
    /* 棒の高さ */
}

body #details .close::before,
body #details .close::after {
    background: #fff;
}

body.color-dark #details .close::before,
body.color-dark #details .close::after {
    background: #000;
}


#details .close::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

#details .close::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.batsu {
    display: block;
    position: absolute;
    right: 15px;
    top: 25%;
    width: 30px;
    height: 30px;
}

.batsu::before,
.batsu::after {
    /* 共通設定 */
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2px;
    /* 棒の幅（太さ） */
    height: 30px;
    /* 棒の高さ */
}

body .batsu::before,
body .batsu::after {
    background: #fff;
}

body.color-dark .batsu::before,
body.color-dark .batsu::after {
    background: #000;
}

.batsu::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

.batsu::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}



/*
=======================================
  鑑賞方法
=======================================
*/

#details img {
    width: 100%;
}

#details .left {
    float: left;
    width: 48%;
}

#details .right {
    float: right;
    width: 48%;
}

#details .left dd,
#details .right dd {
    text-align: left;
    padding: 2rem 0 3rem;
    font-size: 17px;
}

#details .left img,
#details .right img {
    width: 100%;
}

.explanation {
    clear: both;
    background: #f7f7f7;
    overflow: hidden;
}

.explanation dl {
    width: 31%;
    float: left;
    border-right: 2px solid #fff;
    padding: 15px 1%;
    display: flexbox;
}

.explanation dl:last-child {
    border: none;
}

.explanation dt {
    width: 40%;
    float: left;
}

.explanation dd {
    margin-left: 45%;
}

.recommendation {
    border: 1px solid #d1d1d1;
    border-radius: 5px;
    margin: 2rem 0 3rem;
    padding: 2rem 4%;
}

.recommendation h3 {
    padding-bottom: 0.5rem;
}

.recommendation dl {
    margin-top: 0.5rem;
}

.recommendation dt {
    width: 145px;
    float: left;
}

.recommendation dd {
    margin-left: 150px;
}

.positonlb {
    position: absolute;
}

@media screen and (max-width:700px) {
    .positonlb {
        position: relative;
        margin-bottom: 2rem;
    }

    .explanation dl {
        width: 90%;
        border-right: none;
        border-bottom: 2px solid #fff;
        padding: 15px 5%;
    }

    .explanation dd {
        padding-top: 1rem;
    }

    .recommendation {
        padding: 1rem 5%;
        margin-bottom: 2rem;
    }

    .recommendation dt {
        width: 100%;
        float: none;
    }

    .recommendation dd {
        margin-left: 0;
    }
}

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

    #details .left,
    #details .right {
        float: none;
        width: 100%;
    }

    #details .left dd,
    #details .right dd {
        padding: 1rem 0;
        font-size: 16px;
    }

    #details .left img,
    #details .right img {
        width: 80%;
        margin: 0 10%;
    }

    #details .right {
        margin: 1rem 0 2rem;
    }

    #details h2 {
        font-size: 130%;
    }
}

#details .support2 {
    background: transparent;
    text-align: left;
}

#details .support2 .sign {
    background: transparent;
    color: #000;
}

#details .support a.sign:before {
    opacity: 1;
}


#details #room .sub_cont {
    clear: both;
    overflow: hidden;
    padding: 3rem 0;
}

#details #room a.audio,
#details #room a.sign,
#details #room strong.audio,
#details #room strong.sign {
    display: inline-block;
    background: #fff;
    border: 1px solid #d1d1d1;
    border-radius: 8px;
    padding: 10px 0 10px 8px;
    overflow: hidden;
}

#details #room a.audio:before,
#details #room a.sign:before,
#details #room strong.audio:before,
#details #room strong.sign:before {
    content: '';
    display: inline-block;
    width: 30px;
    height: 30px;
    background-size: contain;
    vertical-align: middle;
    margin-right: 10px;
}

#details #room .audio:before {
    background-image: url(/lib_img/audio.png);
}

#details #room .audio span,
#details #room .sign span {
    border-left: 1px solid #d1d1d1;
    padding: 20px;
}

/*
=======================================
  この展示室について
=======================================
*/

h2 .en {
    font-size: 70%;
    font-weight: normal;
}

#room {
    overflow: hidden;
}

#room .en {
    font-size: 90%;
    color: #888;
    font-weight: normal;
}

#room h3 {
    border-bottom: 1px solid #888;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

#room h3 strong {
    font-size: 180%;
    letter-spacing: 0.2em;
    padding-right: 10px;
}

@media screen and (max-width:600px) {
    h3 .en {
        display: block;
    }
}

#room .left {}

#room .right {
    text-align: center;
}

#room p {
    line-height: 2;
}

#room .right a {
    border: 1px solid #d1d1d1;
    display: block;
    padding: 10px 30px 10px 10px;
    border-radius: 10px;
    width: 200px;
    margin: 8px auto;
    position: relative;
    padding-left: 20px;
    text-decoration: none;
    text-align: left;
}

#room .right a:before {
    content: '';
    width: 8px;
    height: 8px;
    border: 0;
    border-top: solid 1px #777;
    border-right: solid 1px #777;
    position: absolute;
    top: 50%;
    right: 13px;
    margin-top: -4px;
    transform: rotate(45deg);
}

#room .right a:hover {
    background: #d1d1d1;
}

#room .f-btn {
    overflow: hidden;
    clear: both;
    position: relative;
}

#room .TPBFM {
    position: absolute;
    right: 0;
    top: 0;
}

@media screen and (max-width:450px) {
    #room .TPBFM {
        width: 150px;
        margin-top: 0.5rem;
    }
}

#room_exhibitions_list>h3 {
    border-bottom: 1px solid #888;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

#room_exhibitions_list>h3 strong {
    font-size: 180%;
    letter-spacing: 0.2em;
    padding-right: 10px;
}
#room_exhibitions_list .item-list ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
#room_exhibitions_list .collection_h2{
    text-align: center;
    margin-bottom: 48px;
}
#room_exhibitions_list .collection_text_lead{
    font-size: 1.06em;
    display: flex;
    justify-content: center;
    padding: 0 4%;
    margin-bottom: 48px;
}
#room_exhibitions_list .collection_heading{
    display: inline-block;
    font-size: 2.8125em;
    font-weight: 700;
    letter-spacing:0.05em;
    text-align: center;
    line-height: 1;
    padding-bottom: 28px;
    border-bottom: solid 2px #425262;
    margin-bottom: 16px;
}
#room_exhibitions_list .collection_heading_en{
    display: block;
    font-size: 1.22em;
    letter-spacing: 0.06em;
    text-align: center;
    line-height: 1;
    color: #425262;
}
#room_exhibitions_list .collection_item a{
    display: block;
    width: 100%;
    height: 100%;
    position:relative;
    border-radius: 10px;
    overflow: hidden;
}
#room_exhibitions_list .collection_item_img::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 138px;
    z-index: 1;
    background-image: linear-gradient(180deg, transparent 0 0%,rgba(0, 0, 0, 0.55) 40%, rgba(0, 0, 0, 0.8) 100%);
}
#room_exhibitions_list .collection_item_img img{
    transition: 300ms;
    width: 100%;
    height: auto;
}


#room_exhibitions_list .collection_item{
    width: 345px;
    height: 238px;
    box-sizing: border-box;
    padding: 15px 10px;
    bottom: 0;
    color: #fff;
    z-index: 2;
}
.collection_item_text{
    width: 100%;
    box-sizing: border-box;
    padding: 20px 30px;
    position: absolute;
    bottom: 0;
    color: #fff;
    z-index: 2;
}
#room_exhibitions_list .collection_item_text_heading{
    font-size: 1.56em;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}
#room_exhibitions_list .collection_item_text_tag{
    font-size: 0.93em;
    letter-spacing: 0.05em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;

}
#room_exhibitions_list .collection_item_text_tag ul li{
    display: inline;
}
#room_exhibitions_list .collection_item_text_tag ul li:not(:last-child){
    margin-right: 1rem;
}