/* Button */
.btn { display: inline-block; font-family: var(--font-sans-ja); font-size: var(--text-sm); letter-spacing: var(--tracking-wider); padding: 0.875rem 2.5rem; border: 1px solid transparent; transition: background var(--transition), color var(--transition), border-color var(--transition); text-align: center; }
.btn--primary { background: var(--color-text); color: var(--color-bg); border-color: var(--color-text); }
.btn--primary:hover { background: var(--color-bg); color: var(--color-text); }
.btn--outline { background: transparent; color: var(--color-text); border-color: var(--color-text); }
.btn--outline:hover { background: var(--color-text); color: var(--color-bg); }

/* ==============================
   Site Intro（作品未登録時のヒーロー）
============================== */
.site-intro {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(4rem, 10vw, 8rem) var(--gutter);
    background: var(--color-bg-muted);
    text-align: center;
}

.site-intro__eyebrow {
    font-family: var(--font-sans-ja);
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 1.5rem;
}

.site-intro__heading {
    font-family: var(--font-serif-en);
    font-size: clamp(var(--text-3xl), 6vw, var(--text-5xl));
    font-weight: 300;
    letter-spacing: 0.02em;
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.site-intro__body {
    font-size: var(--text-base);
    color: var(--color-muted);
    line-height: var(--leading-relaxed);
    max-width: 42em;
    margin: 0 auto 2.5rem;
}

.site-intro__actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Works 空状態 */
.section-empty {
    padding-block: clamp(3rem, 8vw, 5rem);
    text-align: center;
    color: var(--color-muted);
    border: 1px dashed var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.btn--sm {
    padding: 0.5rem 1.5rem;
    font-size: var(--text-xs);
}

/* Featured Artwork */
.featured-artwork { position: relative; overflow: hidden; background: var(--color-bg-muted); }
.featured-artwork__link { display: block; position: relative; }
.featured-artwork__image-wrap { width: 100%; max-height: 90vh; overflow: hidden; }
.featured-artwork__image { width: 100%; height: 100%; object-fit: cover; object-position: center; transition: transform 0.8s ease; }
.featured-artwork__link:hover .featured-artwork__image { transform: scale(1.02); }
.featured-artwork__caption { position: absolute; bottom: 0; left: 0; right: 0; padding: clamp(1.5rem, 4vw, 3rem); background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 100%); color: #fff; }
.featured-artwork__caption .label { display: inline-block; color: rgba(255,255,255,0.7); margin-bottom: 0.75rem; }
.featured-artwork__title { font-size: clamp(var(--text-2xl), 5vw, var(--text-4xl)); font-weight: 300; letter-spacing: var(--tracking-wide); margin-bottom: 0.5rem; }
.featured-artwork__artist { font-family: var(--font-sans-ja); font-size: var(--text-sm); letter-spacing: var(--tracking-wider); opacity: 0.85; }

/* Artwork Card */
.artwork-card { position: relative; }
.artwork-card__link { display: block; }
.artwork-card__image-wrap { overflow: hidden; background: var(--color-bg-muted); aspect-ratio: 4 / 3; }
.artwork-card__image { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.artwork-card__image--placeholder { width: 100%; height: 100%; background: var(--color-bg-muted); }
.artwork-card__link:hover .artwork-card__image { transform: scale(1.04); }
.artwork-card__body { padding: 1rem 0 0; }
.artwork-card__title { font-size: var(--text-base); font-weight: 400; letter-spacing: var(--tracking-wide); margin-bottom: 0.35rem; transition: color var(--transition); }
.artwork-card__link:hover .artwork-card__title { color: var(--color-accent-dark); }
.artwork-card__artist { font-family: var(--font-sans-ja); font-size: var(--text-sm); color: var(--color-muted); display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.artwork-card__artist-en { font-family: var(--font-serif-en); font-size: var(--text-xs); opacity: 0.7; }
.artwork-card__year { font-family: var(--font-sans-ja); font-size: var(--text-xs); color: var(--color-muted); margin-top: 0.25rem; }

/* ==============================
   Artwork Viewer（メイン＋サムネイル）
============================== */
.artwork-viewer {
    background: var(--color-bg-muted);
    user-select: none;
}

/* メイン表示エリア：コンパクトサイズ・クリックで拡大 */
.artwork-viewer__main {
    position: relative;
    width: 100%;
    height: clamp(260px, 46vh, 520px);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-bg-muted);
    cursor: zoom-in;
}

.artwork-viewer__main-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
    transition: opacity 0.25s ease;
}

.artwork-viewer__main-img.is-loading { opacity: 0; }

/* 前後ナビ */
.artwork-viewer__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    background: rgba(255,255,255,0.85);
    border: none;
    width: 36px;
    height: 52px;
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    transition: background var(--transition), opacity var(--transition);
    opacity: 0;
}
.artwork-viewer:hover .artwork-viewer__nav { opacity: 1; }
.artwork-viewer__nav:hover { background: rgba(255,255,255,0.98); }
.artwork-viewer__nav--prev { left: 0; }
.artwork-viewer__nav--next { right: 0; }

/* 拡大ボタン：常時表示 */
.artwork-viewer__zoom {
    position: absolute;
    bottom: 0.6rem;
    right: 0.6rem;
    background: rgba(255,255,255,0.85);
    border: none;
    width: 32px;
    height: 32px;
    cursor: zoom-in;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    transition: background var(--transition);
    opacity: 0.75;
}
.artwork-viewer__zoom:hover { background: rgba(255,255,255,0.98); opacity: 1; }

/* サムネイル一覧 */
.artwork-viewer__thumbs {
    display: flex;
    gap: 4px;
    padding: 6px 8px;
    overflow-x: auto;
    scrollbar-width: thin;
    background: #ededeb;
}

.artwork-viewer__thumb {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    padding: 0;
    border: 2px solid transparent;
    cursor: pointer;
    background: none;
    transition: border-color var(--transition), opacity var(--transition);
    opacity: 0.6;
}

.artwork-viewer__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.artwork-viewer__thumb.is-active,
.artwork-viewer__thumb:hover {
    border-color: var(--color-text);
    opacity: 1;
}

/* Artwork Single */
.artwork-hero { width: 100%; max-height: 85vh; overflow: hidden; background: var(--color-bg-muted); display: flex; align-items: center; justify-content: center; }
.artwork-hero__image { width: 100%; height: 100%; object-fit: contain; cursor: zoom-in; }
.artwork-body { max-width: var(--container-prose); margin-inline: auto; padding-block: clamp(2.5rem, 6vw, 5rem); }
.artwork-header { margin-bottom: clamp(2rem, 5vw, 3.5rem); padding-bottom: clamp(1.5rem, 3vw, 2.5rem); border-bottom: 1px solid var(--color-border); }
.artwork-title { font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl)); font-weight: 400; letter-spacing: var(--tracking-wide); margin-bottom: 0.75rem; }
.artwork-artist { font-family: var(--font-sans-ja); font-size: var(--text-sm); letter-spacing: var(--tracking-wider); color: var(--color-muted); display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; margin-bottom: 1.5rem; }
.artist-name-en { font-family: var(--font-serif-en); font-size: var(--text-base); color: var(--color-muted); }
.artwork-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem 2rem; }
.artwork-meta__item { display: contents; }
.artwork-meta__label { font-family: var(--font-sans-ja); font-size: var(--text-xs); letter-spacing: var(--tracking-widest); color: var(--color-muted); text-transform: uppercase; }
.artwork-meta__value { font-size: var(--text-sm); }
.artwork-description { margin-block: clamp(2rem, 5vw, 3.5rem); padding-bottom: clamp(2rem, 5vw, 3.5rem); border-bottom: 1px solid var(--color-border); }
.artwork-cta { margin-block: clamp(2rem, 5vw, 3.5rem); padding: clamp(1.5rem, 4vw, 2.5rem); background: var(--color-bg-muted); text-align: center; }
.artwork-cta__text { font-size: var(--text-sm); color: var(--color-muted); margin-bottom: 1.25rem; }
.artist-bio { margin-top: clamp(2.5rem, 6vw, 5rem); padding-top: clamp(2rem, 5vw, 3.5rem); border-top: 1px solid var(--color-border); }
.artist-bio__heading { font-size: var(--text-xl); letter-spacing: var(--tracking-widest); text-transform: uppercase; margin-bottom: clamp(1.25rem, 3vw, 2rem); }
.artist-bio__inner { display: grid; grid-template-columns: auto 1fr; gap: 2rem; align-items: start; }
.artist-bio__name-wrap { min-width: 160px; }
.artist-bio__name-ja { font-size: var(--text-lg); letter-spacing: var(--tracking-wide); margin-bottom: 0.25rem; }
.artist-bio__name-en { font-family: var(--font-serif-en); font-size: var(--text-sm); color: var(--color-muted); letter-spacing: var(--tracking-wider); }

/* Post Card */
.post-card__link { display: block; }
.post-card__image-wrap { overflow: hidden; aspect-ratio: 16 / 9; background: var(--color-bg-muted); margin-bottom: 1rem; }
.post-card__image { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.post-card__link:hover .post-card__image { transform: scale(1.04); }
.post-card__meta { display: flex; gap: 0.75rem; align-items: center; margin-bottom: 0.5rem; }
.post-card__date { color: var(--color-muted); }
.post-card__cat { background: var(--color-bg-muted); padding: 0.15em 0.6em; border-radius: var(--radius-sm); color: var(--color-muted); }
.post-card__title { font-size: var(--text-base); font-weight: 400; letter-spacing: var(--tracking-wide); line-height: var(--leading-snug); margin-bottom: 0.5rem; transition: color var(--transition); }
.post-card__link:hover .post-card__title { color: var(--color-accent-dark); }
.post-card__excerpt { font-size: var(--text-sm); color: var(--color-muted); line-height: var(--leading-normal); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Post / Page Single */
.post-single, .page-single { max-width: var(--container-prose); }
.post-title, .page-title { font-size: clamp(var(--text-xl), 3.5vw, var(--text-3xl)); font-weight: 400; letter-spacing: var(--tracking-wide); line-height: var(--leading-snug); margin-bottom: 1rem; }
.post-meta { display: flex; gap: 1rem; align-items: center; color: var(--color-muted); margin-bottom: 2rem; }
.post-cat { padding: 0.15em 0.7em; background: var(--color-bg-muted); border-radius: var(--radius-sm); }
.post-thumbnail, .page-thumbnail { margin-bottom: 2.5rem; overflow: hidden; }
.post-featured-image { width: 100%; height: auto; }
.post-footer { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--color-border); }
.post-navigation .nav-links { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.post-navigation a { font-size: var(--text-sm); color: var(--color-muted); transition: color var(--transition); }
.post-navigation a:hover { color: var(--color-text); }

/* Sidebar */
.sidebar { position: sticky; top: calc(var(--header-height) + 1.5rem); }
.sidebar-widget { margin-bottom: 2.5rem; }
.widget-title { font-size: var(--text-xs); letter-spacing: var(--tracking-widest); text-transform: uppercase; color: var(--color-muted); margin-bottom: 1rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--color-border); }
.sidebar-artwork-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.75rem; }
.sidebar-artwork-item { display: flex; gap: 0.75rem; align-items: center; font-size: var(--text-sm); transition: color var(--transition); }
.sidebar-artwork-item:hover { color: var(--color-accent-dark); }
.sidebar-artwork-thumb { width: 64px; height: 48px; object-fit: cover; flex-shrink: 0; }

/* Lightbox */
.lightbox-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.92); z-index: 1000; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
.lightbox-overlay.is-open { opacity: 1; pointer-events: auto; }
.lightbox-image { max-width: 90vw; max-height: 90vh; object-fit: contain; box-shadow: 0 4px 40px rgba(0,0,0,0.4); }
.lightbox-close { position: absolute; top: 1.5rem; right: 1.5rem; color: #fff; font-size: 2rem; line-height: 1; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; cursor: pointer; opacity: 0.7; transition: opacity var(--transition); }
.lightbox-close:hover { opacity: 1; }
.lightbox-nav { position: absolute; top: 50%; transform: translateY(-50%); color: #fff; font-size: 3rem; line-height: 1; width: 60px; height: 80px; display: flex; align-items: center; justify-content: center; cursor: pointer; opacity: 0.6; transition: opacity var(--transition); background: rgba(0,0,0,0.3); }
.lightbox-nav:hover { opacity: 1; background: rgba(0,0,0,0.5); }
.lightbox-nav--prev { left: 0; }
.lightbox-nav--next { right: 0; }

.no-results { padding-block: 3rem; text-align: center; color: var(--color-muted); }

/* ==============================
   WordPress ブロックエディタ コンテンツ内スタイル
============================== */

/* 基本 */
.prose img, .post-content img, .page-content img { max-width: 100%; height: auto; display: block; }

/* figure / figcaption */
.prose figure, .post-content figure { margin: 2em 0; }
.prose figcaption, .post-content figcaption { font-family: var(--font-sans-ja); font-size: var(--text-xs); color: var(--color-muted); text-align: center; margin-top: 0.6em; letter-spacing: var(--tracking-wide); }

/* -------------------------------------------------------
   画像ブロック：WordPress がインラインで width を書き込むため
   !important で強制的に幅を統一する
------------------------------------------------------- */
.prose .wp-block-image,
.post-content .wp-block-image {
    width: 100% !important;
    max-width: 100% !important;
    margin-block: 2em;
}
.prose .wp-block-image img,
.post-content .wp-block-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* センター揃え */
.prose .wp-block-image.aligncenter, .prose .aligncenter,
.post-content .aligncenter { text-align: center; margin-inline: auto; }

/* 左・右フロート（明示指定時のみ） */
.prose .wp-block-image.alignleft, .post-content .wp-block-image.alignleft {
    float: left; width: 48% !important; margin: 0.25em 1.5em 1em 0;
}
.prose .wp-block-image.alignright, .post-content .wp-block-image.alignright {
    float: right; width: 48% !important; margin: 0.25em 0 1em 1.5em;
}

/* -------------------------------------------------------
   ギャラリーブロック：2カラムグリッド＋高さ統一
------------------------------------------------------- */
.prose .wp-block-gallery,
.post-content .wp-block-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-block: 2em;
}
.prose .wp-block-gallery .wp-block-image,
.post-content .wp-block-gallery .wp-block-image {
    width: 100% !important; max-width: 100% !important; margin: 0 !important;
}
.prose .wp-block-gallery .wp-block-image img,
.post-content .wp-block-gallery .wp-block-image img,
.prose .wp-block-gallery img,
.post-content .wp-block-gallery img {
    width: 100%; height: 260px; object-fit: cover; object-position: center; display: block;
}
.prose .wp-block-gallery.columns-3, .post-content .wp-block-gallery.columns-3 { grid-template-columns: repeat(3, 1fr); }
.prose .wp-block-gallery.columns-1, .post-content .wp-block-gallery.columns-1 { grid-template-columns: 1fr; }

/* -------------------------------------------------------
   auto-image-grid：JS が挿入するラッパー
   連続する個別画像ブロックを自動で2〜3カラムに並べる
------------------------------------------------------- */
.auto-image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-block: 2em;
}
.auto-image-grid .wp-block-image { width: 100% !important; max-width: 100% !important; margin: 0 !important; }
.auto-image-grid .wp-block-image img { width: 100%; height: 260px; object-fit: cover; object-position: center; display: block; }

/* 3件以上なら3カラム */
.auto-image-grid:has(> :nth-child(3)) { grid-template-columns: repeat(3, 1fr); }

/* 奇数の端（最後の1枚）は全幅 */
.auto-image-grid > .wp-block-image:only-child { grid-column: 1 / -1; }
.auto-image-grid > .wp-block-image:only-child img { height: auto; max-height: 500px; }

/* モバイル */
@media ( max-width: 600px ) {
    .prose .wp-block-gallery, .post-content .wp-block-gallery,
    .auto-image-grid, .auto-image-grid:has(> :nth-child(3)) { grid-template-columns: 1fr; }
    .prose .wp-block-gallery .wp-block-image img,
    .post-content .wp-block-gallery .wp-block-image img,
    .auto-image-grid .wp-block-image img { height: 220px; }
    .artwork-viewer__main { height: clamp(200px, 50vw, 300px); }
}

/* その他ブロック */
.prose blockquote, .post-content blockquote { border-left: 2px solid var(--color-border); margin: 2em 0; padding: 0.5em 0 0.5em 1.5em; color: var(--color-muted); font-style: italic; }
.prose .wp-block-embed, .post-content .wp-block-embed { margin-block: 2em; }
.prose .wp-block-embed__wrapper, .post-content .wp-block-embed__wrapper { position: relative; aspect-ratio: 16 / 9; }
.prose .wp-block-embed__wrapper iframe, .post-content .wp-block-embed__wrapper iframe { position: absolute; inset: 0; width: 100%; height: 100%; }
.prose::after, .post-content::after { content: ''; display: table; clear: both; }

/* ==============================
   Contact Page
============================== */
.contact-wrap { max-width: 680px; margin-inline: auto; padding-block: clamp(2.5rem, 6vw, 5rem); }
.page-lead { margin-top: 1.25rem; color: var(--color-muted); font-size: var(--text-sm); line-height: var(--leading-relaxed); }
.contact-form-wrap { margin-top: clamp(2rem, 5vw, 3.5rem); }
.contact-form__row { margin-bottom: 1.75rem; }
.contact-form__label { display: flex; align-items: center; gap: 0.5rem; font-family: var(--font-sans-ja); font-size: var(--text-sm); letter-spacing: var(--tracking-wide); margin-bottom: 0.5rem; }
.contact-form__required { color: var(--color-accent-dark); font-size: var(--text-xs); }
.contact-form__optional { font-size: var(--text-xs); color: var(--color-muted); background: var(--color-bg-muted); padding: 0.1em 0.5em; border-radius: var(--radius-sm); }
.contact-form__input, .contact-form__textarea { display: block; width: 100%; padding: 0.75rem 1rem; border: 1px solid var(--color-border); background: var(--color-bg); color: var(--color-text); font-family: var(--font-serif-ja); font-size: var(--text-base); line-height: var(--leading-normal); transition: border-color var(--transition); border-radius: var(--radius-sm); appearance: none; }
.contact-form__input:focus, .contact-form__textarea:focus { outline: none; border-color: var(--color-text); }
.contact-form__textarea { resize: vertical; min-height: 180px; }
.contact-form__row--privacy { padding-top: 0.5rem; border-top: 1px solid var(--color-border); margin-top: 2.5rem; }
.contact-form__checkbox-label { display: flex; align-items: flex-start; gap: 0.75rem; font-family: var(--font-sans-ja); font-size: var(--text-sm); line-height: var(--leading-relaxed); cursor: pointer; }
.contact-form__checkbox-label input[type="checkbox"] { width: 18px; height: 18px; flex-shrink: 0; margin-top: 0.15em; accent-color: var(--color-text); cursor: pointer; }
.contact-form__checkbox-label a { text-decoration: underline; text-underline-offset: 0.2em; }
.contact-form__submit { margin-top: 2rem; text-align: center; }
.contact-form__submit .btn { min-width: 200px; }
.contact-success { padding: 2rem; border: 1px solid var(--color-border); background: var(--color-bg-muted); text-align: center; }
.contact-success__title { font-size: var(--text-xl); letter-spacing: var(--tracking-wide); margin-bottom: 0.75rem; }
.contact-success__body { font-family: var(--font-sans-ja); font-size: var(--text-sm); color: var(--color-muted); }
.contact-errors { padding: 1rem 1.25rem; border: 1px solid #e8a0a0; background: #fdf5f5; margin-bottom: 1.5rem; border-radius: var(--radius-sm); }
.contact-errors ul { list-style: disc; padding-left: 1.25em; margin: 0; }
.contact-errors li, .contact-errors p { font-family: var(--font-sans-ja); font-size: var(--text-sm); color: #c04040; margin-bottom: 0.25rem; }