/* =========================================================
   角屋旅館 写真館 — Editorial Mosaic Design
   File: css/gallery.css
   Updated: 2026-04-24
   Dependencies: header-common.css, footer-common.css (先に読み込む)
   ========================================================= */

/* 角屋カラーシステム (header-common.css で未定義の場合に備えてフォールバック) */
:root{
    --em-gold: var(--canon-gold, #812913);
    --em-gold-light: var(--canon-gold-light, #a73823);
    --em-dark: var(--canon-dark, #2a2a2a);
    --em-cream: var(--canon-cream, #f8f6f2);
    --em-brown: var(--canon-brown, #8b7355);
    --em-gray: var(--canon-gray, #6b6560);
    --em-washi: #f5f1e8;
    --em-shu: #9d2932;
}

/* =========================================================
   パンくず (共通セクションだが写真館用に微調整)
   ========================================================= */
.gallery-breadcrumb-section{
    padding: 1rem 0;
    background: transparent;
    border-bottom: 1px solid rgba(139,115,85,.1);
}
.gallery-breadcrumb-section .breadcrumb-item + .breadcrumb-item::before{
    color: var(--em-brown);
    content: "›";
    padding: 0 .5em;
}

/* =========================================================
   ハブページ: ヘッダー
   ========================================================= */
.em-hub-header{
    padding: 5rem 1.5rem 3rem;
    text-align: center;
    max-width: 1600px;
    margin: 0 auto;
}
.em-hub-en{
    font-family: 'Cinzel', serif;
    font-size: .7rem;
    letter-spacing: .55em;
    color: var(--em-brown);
    text-transform: uppercase;
    margin-bottom: 1.2rem;
}
.em-hub-title{
    font-family: 'Shippori Mincho', serif;
    font-weight: 500;
    font-size: clamp(1.9rem, 4.5vw, 2.8rem);
    letter-spacing: .25em;
    color: var(--em-dark);
    margin-bottom: 1.2rem;
}
.em-hub-title::after{
    content: "";
    display: block;
    width: 50px;
    height: 1px;
    background: var(--em-gold);
    margin: 1.2rem auto 0;
}
.em-hub-desc{
    font-family: 'Shippori Mincho', serif;
    font-size: 1rem;
    color: var(--em-gray);
    letter-spacing: .08em;
    line-height: 2;
    max-width: 640px;
    margin: 0 auto;
}

/* =========================================================
   ハブページ: モザイクグリッド
   ========================================================= */
.em-hub{
    max-width: 1600px;
    margin: 0 auto;
    padding: 2rem 1.5rem 5rem;
}
.em-hub-grid{
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: 180px;
    gap: 12px;
}
.em-cat{
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: #1a1614;
    display: block;
    text-decoration: none;
    color: inherit;
}
.em-cat img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.5s cubic-bezier(.2,.8,.2,1), filter .6s ease;
    filter: brightness(.9);
}
.em-cat:hover img{
    transform: scale(1.06);
    filter: brightness(1.02);
}
.em-cat-overlay{
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    color: #fff;
    background: linear-gradient(180deg, rgba(0,0,0,.1) 0%, rgba(0,0,0,.2) 50%, rgba(0,0,0,.7) 100%);
    text-shadow: 0 1px 3px rgba(0,0,0,.3);
    transition: background .4s;
}
.em-cat:hover .em-cat-overlay{
    background: linear-gradient(180deg, rgba(0,0,0,.15) 0%, rgba(0,0,0,.3) 50%, rgba(0,0,0,.82) 100%);
}
.em-cat-en{
    font-family: 'Cinzel', serif;
    font-size: .58rem;
    letter-spacing: .45em;
    opacity: .85;
    margin-bottom: .4rem;
    text-transform: uppercase;
}
.em-cat-name{
    font-family: 'Shippori Mincho', serif;
    font-weight: 500;
    font-size: 1.35rem;
    letter-spacing: .15em;
    margin-bottom: .3rem;
    line-height: 1.3;
}
.em-cat-count{
    font-family: 'Cinzel', serif;
    font-size: .68rem;
    letter-spacing: .25em;
    opacity: .8;
}
/* カテゴリなし画像時のプレースホルダ */
.em-cat-placeholder{
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #3a2a24 0%, #1a1210 100%);
    color: rgba(255,255,255,.25);
    font-family: 'Shippori Mincho', serif;
    font-size: 1.2rem;
    letter-spacing: .3em;
}

/* ハブのカテゴリサイズ(10枚対応) */
.em-cat.em-big    { grid-column: span 4; grid-row: span 3; }
.em-cat.em-med    { grid-column: span 3; grid-row: span 2; }
.em-cat.em-med-v  { grid-column: span 2; grid-row: span 3; }
.em-cat.em-small  { grid-column: span 2; grid-row: span 2; }
.em-cat.em-wide   { grid-column: span 4; grid-row: span 2; }

/* タブレット */
@media (max-width: 960px){
    .em-hub-grid{
        grid-template-columns: repeat(4, 1fr);
        grid-auto-rows: 140px;
        gap: 8px;
    }
    .em-cat.em-big    { grid-column: span 4; grid-row: span 2; }
    .em-cat.em-med    { grid-column: span 2; grid-row: span 2; }
    .em-cat.em-med-v  { grid-column: span 2; grid-row: span 2; }
    .em-cat.em-small  { grid-column: span 2; grid-row: span 2; }
    .em-cat.em-wide   { grid-column: span 4; grid-row: span 2; }
}

/* スマホ */
@media (max-width: 560px){
    .em-hub{ padding: 1.5rem 1rem 4rem; }
    .em-hub-grid{
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 135px;
        gap: 6px;
    }
    .em-cat.em-big,
    .em-cat.em-med,
    .em-cat.em-med-v,
    .em-cat.em-small,
    .em-cat.em-wide{
        grid-column: span 2;
        grid-row: span 2;
    }
    /* スマホでは em-big のみ大きく */
    .em-cat:nth-of-type(1).em-big{ grid-row: span 3; }
    .em-cat-overlay{ padding: 1rem; }
    .em-cat-name{ font-size: 1.1rem; letter-spacing: .12em; }
}

/* =========================================================
   ハブ末尾: 女将の語り
   ========================================================= */
.em-hub-kotoba{
    padding: 4rem 1.5rem 6rem;
    background: var(--em-washi);
    border-top: 1px solid rgba(139,115,85,.12);
}
.em-hub-kotoba-inner{
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}
.em-hub-kotoba-meta{
    font-family: 'Cinzel', serif;
    font-size: .62rem;
    letter-spacing: .45em;
    color: var(--em-gold);
    margin-bottom: 2rem;
    text-transform: uppercase;
}
.em-hub-kotoba-text{
    font-family: 'Shippori Mincho', serif;
    font-weight: 400;
    font-size: clamp(1.2rem, 2.4vw, 1.6rem);
    line-height: 2.2;
    letter-spacing: .15em;
    color: var(--em-dark);
    margin-bottom: 2rem;
}
.em-hub-kotoba-author{
    font-family: 'Shippori Mincho', serif;
    font-size: .85rem;
    letter-spacing: .3em;
    color: var(--em-brown);
}
.em-hub-kotoba-author::before{
    content: "";
    display: inline-block;
    width: 30px;
    height: 1px;
    background: var(--em-brown);
    vertical-align: middle;
    margin-right: .8em;
}

/* =========================================================
   詳細ページ: ヘッダー
   ========================================================= */
.em-detail-header{
    padding: 3rem 1.5rem 2rem;
    max-width: 1600px;
    margin: 0 auto;
    border-bottom: 1px solid rgba(139,115,85,.2);
}
.em-detail-header-inner{
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}
.em-detail-en{
    font-family: 'Cinzel', serif;
    font-size: .68rem;
    letter-spacing: .5em;
    color: var(--em-brown);
    text-transform: uppercase;
    margin-bottom: .8rem;
}
.em-detail-title{
    font-family: 'Shippori Mincho', serif;
    font-weight: 500;
    font-size: clamp(1.6rem, 3.2vw, 2.4rem);
    letter-spacing: .18em;
    color: var(--em-dark);
    margin: 0;
    line-height: 1.3;
}
.em-detail-desc{
    font-family: 'Shippori Mincho', serif;
    font-size: .95rem;
    color: var(--em-gray);
    letter-spacing: .06em;
    margin-top: .8rem;
    line-height: 1.9;
    max-width: 640px;
}
.em-detail-count{
    font-family: 'Cinzel', serif;
    font-size: .75rem;
    letter-spacing: .3em;
    color: var(--em-brown);
    text-align: right;
    white-space: nowrap;
}
.em-detail-count strong{
    font-family: 'Shippori Mincho', serif;
    font-size: 2rem;
    color: var(--em-gold);
    font-weight: 500;
    margin-right: .3rem;
    display: inline-block;
    vertical-align: middle;
}
.em-detail-count span{ vertical-align: middle; }

@media (max-width: 640px){
    .em-detail-header{ padding: 2rem 1rem 1.2rem; }
    .em-detail-header-inner{ gap: 1rem; }
    .em-detail-count{ text-align: left; }
    .em-detail-count strong{ font-size: 1.5rem; }
}

/* =========================================================
   詳細ページ: モザイクグリッド
   ========================================================= */
.em-detail-section{
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem 1.5rem 3rem;
}
.em-grid{
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: 130px;
    gap: 4px;
    grid-auto-flow: dense;
}
@media (max-width: 960px){
    .em-grid{
        grid-template-columns: repeat(4, 1fr);
        grid-auto-rows: 110px;
        gap: 3px;
    }
}
@media (max-width: 560px){
    .em-detail-section{ padding: 1rem .5rem 2rem; }
    .em-grid{
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: 95px;
        gap: 2px;
    }
}

/* セル共通 */
.em-cell{
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: #e8e4dc;
    margin: 0;
}
.em-cell img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .9s cubic-bezier(.2,.8,.2,1), filter .4s ease;
    display: block;
    filter: brightness(.97);
}
.em-cell:hover img{
    transform: scale(1.08);
    filter: brightness(1.05);
}
.em-cell::after{
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0);
    transition: background .3s;
    pointer-events: none;
}
.em-cell:hover::after{ background: rgba(0,0,0,.04); }

/* 主役バッジ (size_hint=2 の写真に小さな朱印) */
.em-cell-badge{
    position: absolute;
    top: 10px;
    right: 10px;
    width: 8px;
    height: 8px;
    background: var(--em-shu);
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(255,255,255,.6), 0 2px 6px rgba(0,0,0,.2);
    opacity: .85;
}

/* セルサイズクラス */
.em-cell.size-hero  { grid-column: span 3; grid-row: span 3; }
.em-cell.size-big-v { grid-column: span 2; grid-row: span 3; }
.em-cell.size-wide  { grid-column: span 3; grid-row: span 2; }
.em-cell.size-sq    { grid-column: span 2; grid-row: span 2; }
.em-cell.size-tall  { grid-column: span 1; grid-row: span 2; }
.em-cell.size-small { grid-column: span 1; grid-row: span 1; }

/* タブレット */
@media (max-width: 960px){
    .em-cell.size-hero  { grid-column: span 2; grid-row: span 2; }
    .em-cell.size-big-v { grid-column: span 2; grid-row: span 3; }
    .em-cell.size-wide  { grid-column: span 2; grid-row: span 2; }
    .em-cell.size-sq    { grid-column: span 2; grid-row: span 2; }
    .em-cell.size-tall  { grid-column: span 1; grid-row: span 2; }
    .em-cell.size-small { grid-column: span 1; grid-row: span 1; }
}

/* スマホ */
@media (max-width: 560px){
    .em-cell.size-hero  { grid-column: span 3; grid-row: span 3; }
    .em-cell.size-big-v { grid-column: span 2; grid-row: span 3; }
    .em-cell.size-wide  { grid-column: span 3; grid-row: span 2; }
    .em-cell.size-sq    { grid-column: span 2; grid-row: span 2; }
    .em-cell.size-tall  { grid-column: span 1; grid-row: span 2; }
    .em-cell.size-small { grid-column: span 1; grid-row: span 1; }
}

/* =========================================================
   CTA (詳細末尾)
   ========================================================= */
.em-cta{
    max-width: 960px;
    margin: 4rem auto 0;
    padding: 5rem 2rem;
    text-align: center;
    border-top: 1px solid rgba(139,115,85,.2);
    background:
      radial-gradient(ellipse 60% 80% at 50% 0%, rgba(129,41,19,.04), transparent 70%);
}
.em-cta-meta{
    font-family: 'Cinzel', serif;
    font-size: .65rem;
    letter-spacing: .5em;
    color: var(--em-gold);
    margin-bottom: 1.2rem;
}
.em-cta-title{
    font-family: 'Shippori Mincho', serif;
    font-weight: 500;
    font-size: clamp(1.6rem, 3.2vw, 2.2rem);
    letter-spacing: .18em;
    color: var(--em-dark);
    margin-bottom: 1rem;
    line-height: 1.5;
}
.em-cta-desc{
    font-family: 'Shippori Mincho', serif;
    font-size: .95rem;
    color: var(--em-gray);
    letter-spacing: .08em;
    line-height: 2;
    margin-bottom: 2.8rem;
}
.em-cta-buttons{
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}
.em-cta-btn{
    display: inline-block;
    padding: 1.05rem 2.2rem;
    font-family: 'Shippori Mincho', serif;
    font-size: .95rem;
    letter-spacing: .2em;
    background: var(--em-gold);
    color: #fff;
    border: 1px solid var(--em-gold);
    cursor: pointer;
    text-decoration: none;
    transition: all .4s cubic-bezier(.2,.8,.2,1);
    white-space: nowrap;
}
.em-cta-btn:hover{
    background: var(--em-gold-light);
    border-color: var(--em-gold-light);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(129,41,19,.18);
}
.em-cta-btn.secondary{
    background: transparent;
    color: var(--em-gold);
}
.em-cta-btn.secondary:hover{
    background: var(--em-gold);
    color: #fff;
    border-color: var(--em-gold);
}
.em-cta-btn.tertiary{
    background: transparent;
    color: var(--em-dark);
    border-color: rgba(139,115,85,.4);
}
.em-cta-btn.tertiary:hover{
    background: var(--em-dark);
    color: #fff;
    border-color: var(--em-dark);
}

@media (max-width: 540px){
    .em-cta{ padding: 3.5rem 1rem; }
    .em-cta-buttons{ flex-direction: column; align-items: stretch; }
    .em-cta-btn{ width: 100%; }
}

/* =========================================================
   他のカテゴリへ (詳細末尾)
   ========================================================= */
.em-related{
    background: var(--em-washi);
    padding: 5rem 1.5rem;
    border-top: 1px solid rgba(139,115,85,.12);
}
.em-related-inner{
    max-width: 1400px;
    margin: 0 auto;
}
.em-related-en{
    font-family: 'Cinzel', serif;
    font-size: .65rem;
    letter-spacing: .5em;
    color: var(--em-brown);
    text-transform: uppercase;
    text-align: center;
    margin-bottom: .8rem;
}
.em-related-title{
    font-family: 'Shippori Mincho', serif;
    font-weight: 500;
    font-size: 1.5rem;
    letter-spacing: .2em;
    color: var(--em-dark);
    text-align: center;
    margin-bottom: 2.5rem;
}
.em-related-grid{
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    margin-bottom: 2.5rem;
}
.em-related-card{
    display: block;
    background: #fff;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: transform .4s cubic-bezier(.2,.8,.2,1), box-shadow .4s ease;
    box-shadow: 0 1px 3px rgba(42,31,26,.06);
}
.em-related-card:hover{
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(42,31,26,.12);
}
.em-related-card-img{
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: #e8e4dc;
}
.em-related-card-img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s cubic-bezier(.2,.8,.2,1);
}
.em-related-card:hover .em-related-card-img img{
    transform: scale(1.06);
}
.em-related-placeholder{
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f0ebe0, #e8e0cf);
    color: var(--em-brown);
    font-family: 'Cinzel', serif;
    font-size: .7rem;
    letter-spacing: .3em;
}
.em-related-card-body{
    padding: .9rem 1rem 1rem;
    text-align: center;
    border-top: 1px solid rgba(139,115,85,.12);
}
.em-related-name{
    font-family: 'Shippori Mincho', serif;
    font-weight: 500;
    font-size: .98rem;
    letter-spacing: .1em;
    color: var(--em-dark);
    margin-bottom: .2rem;
}
.em-related-count{
    font-family: 'Cinzel', serif;
    font-size: .6rem;
    letter-spacing: .25em;
    color: var(--em-brown);
    text-transform: uppercase;
}
.em-related-all{ text-align: center; }
.em-related-all-link{
    font-family: 'Shippori Mincho', serif;
    font-size: .95rem;
    letter-spacing: .2em;
    color: var(--em-gold);
    text-decoration: none;
    padding: .5rem 1rem;
    transition: color .3s;
}
.em-related-all-link:hover{ color: var(--em-gold-light); }
.em-related-all-link span{
    display: inline-block;
    transition: transform .3s;
    margin-left: .3em;
}
.em-related-all-link:hover span{ transform: translateX(4px); }

@media (max-width: 960px){
    .em-related-grid{ grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px){
    .em-related{ padding: 3rem 1rem; }
    .em-related-grid{ grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .em-related-name{ font-size: .88rem; }
}

/* =========================================================
   エラーページ / 空状態
   ========================================================= */
.em-error, .em-empty{
    padding: 6rem 1.5rem;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}
.em-error-meta{
    font-family: 'Cinzel', serif;
    font-size: .65rem;
    letter-spacing: .5em;
    color: var(--em-brown);
    margin-bottom: 1.5rem;
}
.em-error-title{
    font-family: 'Shippori Mincho', serif;
    font-weight: 500;
    font-size: clamp(1.5rem, 3vw, 2rem);
    letter-spacing: .15em;
    color: var(--em-dark);
    line-height: 1.6;
    margin-bottom: 1.2rem;
}
.em-error-desc{
    font-family: 'Shippori Mincho', serif;
    color: var(--em-gray);
    margin-bottom: 2.5rem;
    letter-spacing: .08em;
}
.em-empty{
    grid-column: 1 / -1;
    font-family: 'Shippori Mincho', serif;
    color: var(--em-brown);
}
.em-empty p{ margin-bottom: .5rem; font-size: 1.1rem; letter-spacing: .1em; }
.em-empty-sub{ font-size: .88rem !important; color: var(--em-gray); }

/* =========================================================
   LIGHTBOX (Instagram式フルスクリーン)
   ========================================================= */
.em-lightbox{
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(10,8,7,.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: none;
    align-items: center;
    justify-content: center;
}
.em-lightbox.active{ display: flex; animation: emLbFadeIn .3s ease; }
@keyframes emLbFadeIn{
    from{ opacity: 0; }
    to{ opacity: 1; }
}

.em-lb-image-wrap{
    max-width: 92vw;
    max-height: 80vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.em-lb-img{
    max-width: 92vw;
    max-height: 80vh;
    object-fit: contain;
    box-shadow: 0 20px 60px rgba(0,0,0,.4);
    transition: opacity .3s ease;
    display: block;
}
.em-lb-img.loading{ opacity: .3; }

/* トップバー */
.em-lb-topbar{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1.2rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(180deg, rgba(0,0,0,.55), transparent);
    z-index: 2;
    pointer-events: none;
}
.em-lb-topbar > *{ pointer-events: auto; }
.em-lb-counter{
    font-family: 'Cinzel', serif;
    font-size: .75rem;
    letter-spacing: .3em;
    color: rgba(255,255,255,.9);
}
.em-lb-counter strong{
    font-family: 'Shippori Mincho', serif;
    font-size: 1.15rem;
    font-weight: 500;
    color: #fff;
    margin-right: .1rem;
}
.em-lb-counter-sep{
    margin: 0 .6em;
    opacity: .5;
}
.em-lb-close{
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.18);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .35s cubic-bezier(.2,.8,.2,1);
    padding: 0;
}
.em-lb-close:hover{
    background: rgba(255,255,255,.2);
    border-color: rgba(255,255,255,.4);
    transform: rotate(90deg);
}

/* ナビボタン */
.em-lb-nav{
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.14);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .35s cubic-bezier(.2,.8,.2,1);
    z-index: 2;
    padding: 0;
}
.em-lb-nav:hover{
    background: rgba(255,255,255,.2);
    border-color: rgba(255,255,255,.4);
    transform: translateY(-50%) scale(1.06);
}
.em-lb-prev{ left: 1.5rem; }
.em-lb-next{ right: 1.5rem; }

/* キャプション */
.em-lb-caption{
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.2rem 1.5rem 1.8rem;
    background: linear-gradient(0deg, rgba(0,0,0,.7), transparent);
    color: #fff;
    text-align: center;
    z-index: 2;
    pointer-events: none;
}
.em-lb-caption > *{ pointer-events: auto; }
.em-lb-cat{
    font-family: 'Cinzel', serif;
    font-size: .58rem;
    letter-spacing: .45em;
    color: rgba(255,255,255,.7);
    text-transform: uppercase;
    margin-bottom: .4rem;
}
.em-lb-title{
    font-family: 'Shippori Mincho', serif;
    font-size: 1rem;
    letter-spacing: .1em;
    color: #fff;
    line-height: 1.5;
    margin-bottom: .4rem;
}
.em-lb-link{
    font-family: 'Shippori Mincho', serif;
    display: none;
    font-size: .85rem;
    letter-spacing: .15em;
    color: var(--em-gold-light);
    text-decoration: none;
    padding: .4rem 1.2rem;
    border: 1px solid rgba(167,56,35,.6);
    margin-top: .5rem;
    transition: all .3s ease;
}
.em-lb-link.active{ display: inline-block; }
.em-lb-link:hover{
    background: var(--em-gold-light);
    color: #fff;
    border-color: var(--em-gold-light);
}

/* ローダー */
.em-lb-loader{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 36px;
    height: 36px;
    border: 2px solid rgba(255,255,255,.12);
    border-top-color: rgba(255,255,255,.7);
    border-radius: 50%;
    animation: emLbSpin 1s linear infinite;
    display: none;
    pointer-events: none;
}
.em-lightbox.loading .em-lb-loader{ display: block; }
@keyframes emLbSpin{
    to{ transform: translate(-50%,-50%) rotate(360deg); }
}

/* Lightbox スマホ */
@media (max-width: 600px){
    .em-lb-nav{
        width: 40px;
        height: 40px;
    }
    .em-lb-prev{ left: .5rem; }
    .em-lb-next{ right: .5rem; }
    .em-lb-topbar{ padding: .9rem 1rem; }
    .em-lb-close{ width: 38px; height: 38px; }
    .em-lb-caption{ padding: 1rem 1rem 1.4rem; }
    .em-lb-image-wrap, .em-lb-img{
        max-width: 96vw;
        max-height: 72vh;
    }
}

/* bodyスクロールロック (ライトボックス展開中) */
body.em-lb-open{ overflow: hidden; }

/* =========================================================
   モーション削減対応 (アクセシビリティ)
   ========================================================= */
@media (prefers-reduced-motion: reduce){
    .em-cat img,
    .em-cell img,
    .em-related-card,
    .em-related-card-img img,
    .em-lightbox,
    .em-lb-close,
    .em-lb-nav{
        transition: none !important;
        animation: none !important;
    }
}