:root {
    --bg-color: #f2efe8;
    --bg-deep: #e7e2d6;
    --text-color: #2c2c2c;
    --text-sub: #7a7268;
    --accent-color: #8c7355;
    --accent-dark: #6a553c;
    --card-bg: #ffffff;
    --border-color: #e0dcd3;
    --radius: 10px;
    --shadow: 0 2px 10px rgba(60, 50, 30, 0.07);
    --shadow-hover: 0 6px 18px rgba(60, 50, 30, 0.14);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Noto Serif JP', serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.65;
}

[hidden] { display: none !important; }

a { color: var(--accent-dark); }

.mobile-only { display: none; }

/* ================= ヘッダー ================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 1.6rem;
    padding: 0.7rem 1.4rem;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--border-color);
}

.site-logo {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent-color);
    text-decoration: none;
    letter-spacing: 1px;
    white-space: nowrap;
}

.site-nav {
    display: flex;
    gap: 1.1rem;
    flex: 1;
}

.site-nav a {
    color: var(--text-sub);
    text-decoration: none;
    font-size: 0.92rem;
    padding: 0.2rem 0.1rem;
    border-bottom: 2px solid transparent;
}

.site-nav a:hover { color: var(--accent-dark); }
.site-nav a.active {
    color: var(--accent-dark);
    border-bottom-color: var(--accent-color);
}

#mobile-search-btn {
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    border-radius: 20px;
    padding: 0.4rem 1rem;
    font-family: inherit;
    cursor: pointer;
    color: var(--text-sub);
}

/* ================= レイアウト(ホーム) ================= */
.page-layout {
    display: flex;
    height: calc(100vh - 53px);
    overflow: hidden;
}

/* ---- 左サイドバー：検索・タグ ---- */
#search-sidebar {
    width: 290px;
    flex-shrink: 0;
    background: var(--card-bg);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
}

.sidebar-inner { padding: 1.1rem 1rem 2rem; }

#sidebar-close-btn {
    margin-bottom: 0.6rem;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-sub);
    cursor: pointer;
}

.search-box {
    display: flex;
    gap: 0.45rem;
    margin-bottom: 1.2rem;
}

.search-box input {
    flex: 1;
    min-width: 0;
    padding: 0.55rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.92rem;
    outline: none;
    transition: border-color 0.2s;
    background: var(--bg-color);
}

.search-box input:focus { border-color: var(--accent-color); background: #fff; }

.search-box button {
    padding: 0.55rem 0.95rem;
    background: var(--accent-color);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    transition: background 0.2s;
}

.search-box button:hover { background: var(--accent-dark); }

.search-box.inline { max-width: 440px; margin: 0 0 1.6rem; }

#tag-filter-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.2rem;
}

#tag-filter-title { font-weight: 700; font-size: 0.98rem; }

#tag-clear-btn {
    border: none;
    background: none;
    color: var(--accent-dark);
    font-family: inherit;
    font-size: 0.82rem;
    cursor: pointer;
    text-decoration: underline;
}

#tag-limit-msg { color: #b0563c; font-size: 0.8rem; margin: 0.3rem 0; }

.filter-section { margin-top: 0.9rem; }

.filter-section-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-sub);
    margin-bottom: 0.35rem;
    letter-spacing: 1px;
}

.filter-section-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.filter-chip {
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    border-radius: 14px;
    padding: 0.22rem 0.68rem;
    font-family: inherit;
    font-size: 0.8rem;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.15s;
}

.filter-chip:hover { border-color: var(--accent-color); }

.filter-chip.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

/* ---- 中央メイン ---- */
#main-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.6rem 2rem 3rem;
}

/* ================= ホームビュー ================= */
.hero-section { margin-bottom: 2.4rem; }

.hero-lead h1 {
    margin: 0 0 0.3rem;
    font-size: 1.7rem;
    letter-spacing: 2px;
    color: var(--accent-dark);
}

.hero-lead p {
    margin: 0 0 1.2rem;
    color: var(--text-sub);
    font-size: 0.92rem;
}

.hero-books {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}

.hero-card {
    display: flex;
    gap: 0.9rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.9rem;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow);
    transition: box-shadow 0.2s, transform 0.2s;
}

.hero-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }

.hero-cover {
    width: 84px;
    height: 120px;
    flex-shrink: 0;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 6px;
    box-shadow: inset -3px 0 6px rgba(0,0,0,0.18);
}

.hero-cover span, .bc-cover span, .bd-cover span {
    writing-mode: vertical-rl;
    color: #fff;
    font-weight: 600;
    letter-spacing: 2px;
    overflow: hidden;
    max-height: 100%;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.hero-cover span { font-size: 0.85rem; }

.hero-card-body { min-width: 0; display: flex; flex-direction: column; }

.hc-title { font-weight: 700; font-size: 1.05rem; }
.hc-author { color: var(--text-sub); font-size: 0.84rem; margin-bottom: 0.3rem; }

.hc-summary {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text-sub);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.hc-read {
    margin-top: 0.4rem;
    font-size: 0.84rem;
    color: var(--accent-dark);
    font-weight: 600;
}

/* ---- セクション共通 ---- */
.home-section { margin-bottom: 2.6rem; }

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.3rem 1rem;
    margin-bottom: 0.9rem;
}

.home-section h2, .bd-section h2, .results-head h2 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--accent-dark);
    letter-spacing: 1px;
}

.section-sub { margin: 0; color: var(--text-sub); font-size: 0.84rem; }

.section-link {
    font-size: 0.86rem;
    color: var(--accent-dark);
    text-decoration: none;
}
.section-link:hover { text-decoration: underline; }

/* ---- 作品カードグリッド ---- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 0.9rem;
}

.book-card {
    display: flex;
    gap: 0.75rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.75rem;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow);
    transition: box-shadow 0.2s, transform 0.2s;
}

.book-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }

.bc-cover {
    width: 56px;
    height: 80px;
    flex-shrink: 0;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px 4px;
    box-shadow: inset -2px 0 4px rgba(0,0,0,0.18);
}

.bc-cover span { font-size: 0.68rem; letter-spacing: 1px; }

.bc-body { min-width: 0; }

.bc-title { font-weight: 700; font-size: 0.95rem; line-height: 1.4; }
.bc-author { color: var(--text-sub); font-size: 0.8rem; }

.bc-summary {
    margin: 0.3rem 0 0;
    font-size: 0.76rem;
    color: var(--text-sub);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.parts-badge {
    display: inline-block;
    background: var(--bg-deep);
    color: var(--accent-dark);
    border-radius: 8px;
    font-size: 0.68rem;
    padding: 0.05rem 0.5rem;
    vertical-align: middle;
    white-space: nowrap;
}

/* ---- 作家カード ---- */
.author-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.9rem;
}

.author-grid.wide { margin-bottom: 1.4rem; }

.author-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.85rem 0.95rem;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow);
    transition: box-shadow 0.2s, transform 0.2s;
}

.author-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }

.ac-name { font-weight: 700; font-size: 1.02rem; }
.ac-kana { color: var(--text-sub); font-size: 0.74rem; }
.ac-meta { color: var(--text-sub); font-size: 0.78rem; margin-top: 0.15rem; }

.ac-bio {
    margin: 0.4rem 0 0;
    font-size: 0.76rem;
    color: var(--text-sub);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ac-movements { margin-top: 0.4rem; display: flex; gap: 0.3rem; flex-wrap: wrap; }

/* ---- マイページ「特集」タブ用の簡易カード ---- */
.feature-mini-card {
    display: block;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.9rem 1rem;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow);
    transition: box-shadow 0.2s, transform 0.2s;
}

.feature-mini-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }

.fmc-kicker { font-size: 0.72rem; color: var(--text-sub); letter-spacing: 0.1em; }
.fmc-title { font-weight: 700; margin: 0.3rem 0; }
.fmc-lead {
    font-size: 0.85rem;
    color: var(--text-sub);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---- About ---- */
.about-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.3rem 1.5rem;
}

.about-section h2 { margin-bottom: 0.5rem; }
.about-section p { margin: 0.5rem 0 1rem; font-size: 0.9rem; }

.about-stats { display: flex; gap: 2.2rem; flex-wrap: wrap; }

.about-stats .stat { display: flex; flex-direction: column; align-items: center; }
.about-stats .stat strong { font-size: 1.4rem; color: var(--accent-dark); }
.about-stats .stat span { font-size: 0.78rem; color: var(--text-sub); }

/* ================= 検索結果ビュー ================= */
.results-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.4rem 1rem;
    margin-bottom: 0.7rem;
}

#results-clear-btn {
    border: none;
    background: none;
    color: var(--accent-dark);
    font-family: inherit;
    font-size: 0.88rem;
    cursor: pointer;
    text-decoration: underline;
}

#active-filters { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.9rem; }

.active-filter-chip {
    border: none;
    background: var(--accent-color);
    color: #fff;
    border-radius: 14px;
    padding: 0.25rem 0.75rem;
    font-family: inherit;
    font-size: 0.8rem;
    cursor: pointer;
}

.active-filter-chip:hover { background: var(--accent-dark); }

.list-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2.5rem 1rem;
    color: #888;
    font-size: 0.92rem;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    padding: 1.4rem 0 0.5rem;
}

.pagination button {
    padding: 0.45rem 1.2rem;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.88rem;
    cursor: pointer;
    color: var(--text-color);
}

.pagination button:hover:not(:disabled) { border-color: var(--accent-color); }
.pagination button:disabled { opacity: 0.4; cursor: default; }

#page-info { font-size: 0.86rem; color: var(--text-sub); }

/* ================= サブページ(作品・作家) ================= */
body.subpage { min-height: 100vh; }

/* ================= 作家一覧のブラウズビュー ================= */
.authors-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.8rem 2rem;
}

.authors-hero .hero-lead { max-width: 420px; }

/* 肖像ストリップ(ヒーロー右側)。画面幅に応じて折り返す列数は変わるが、
   行数は常に2段までに制限し、それ以上は表示しない(何段にもなって見づらくなるのを防ぐ) */
.portrait-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem 0.9rem;
    justify-content: flex-end;
    max-width: 480px;
    max-height: 240px;
    overflow: hidden;
}

.portrait-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    width: 76px;
    text-decoration: none;
    color: var(--text-sub);
}

.portrait-link:hover .pa-img { box-shadow: var(--shadow-hover); transform: translateY(-2px); }

.portrait-name {
    font-size: 0.68rem;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 76px;
}

.pa-img {
    display: block;
    object-fit: cover;
    object-position: top center;
    background: var(--bg-deep);
    box-shadow: var(--shadow);
    transition: box-shadow 0.2s, transform 0.2s;
}

.pa-img.thumb { width: 76px; height: 96px; border-radius: 8px; flex-shrink: 0; }

.pa-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--accent-dark);
}

/* 注目の作家カード(肖像+テキスト) */
/* 作家棚のカード。列数は画面幅で変わるが、常に3行までに制限し、
   それを超える分は表示しない(人数が多い棚でも縦に伸びすぎないように) */
.feature-author-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 0.9rem;
    max-height: calc(3 * 128px + 2 * 0.9rem);
    overflow: hidden;
}

.feature-author-card {
    display: flex;
    gap: 0.85rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.9rem;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow);
    transition: box-shadow 0.2s, transform 0.2s;
}

.feature-author-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }

.fa-body { min-width: 0; }
.fa-name { font-weight: 700; font-size: 1.0rem; }
.fa-meta { color: var(--text-sub); font-size: 0.76rem; margin-top: 0.1rem; }

.fa-bio {
    margin: 0.35rem 0 0;
    font-size: 0.76rem;
    line-height: 1.5;
    color: var(--text-sub);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 780px) {
    .authors-hero { padding: 1.3rem 1.2rem; gap: 1.2rem; }
    .portrait-strip { justify-content: flex-start; max-width: none; }
}

/* 作家一覧のカード高さを統一: タグ行は常に描画し(タグ無しは空)1チップ分の
   高さを予約、名前・かな・メタも1行省略にして折り返しによる段差をなくす */
.author-grid.wide .ac-movements {
    min-height: 1.35rem;
    flex-wrap: nowrap;
    overflow: hidden;
}

.author-grid.wide .ac-name,
.author-grid.wide .ac-kana,
.author-grid.wide .ac-meta {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.page-main {
    max-width: 880px;
    margin: 0 auto;
    padding: 1.4rem 1.4rem 4rem;
}

.breadcrumb {
    font-size: 0.82rem;
    color: var(--text-sub);
    margin-bottom: 1.2rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.breadcrumb a { color: var(--text-sub); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent-dark); text-decoration: underline; }

.page-title { margin: 0 0 0.3rem; font-size: 1.6rem; color: var(--accent-dark); letter-spacing: 2px; }
.page-desc { margin: 0 0 1.2rem; color: var(--text-sub); font-size: 0.88rem; }

/* ---- 作品ページ ---- */
.book-hero {
    display: flex;
    gap: 1.6rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.6rem;
}

.bd-fav-actions { margin-left: auto; }

.bd-cover {
    width: 130px;
    height: 186px;
    flex-shrink: 0;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 8px;
    box-shadow: inset -4px 0 8px rgba(0,0,0,0.2), var(--shadow);
}

.bd-cover span { font-size: 1.05rem; letter-spacing: 3px; }

.bd-head { min-width: 0; display: flex; flex-direction: column; }

.bd-head h1 {
    margin: 0 0 0.15rem;
    font-size: 1.65rem;
    letter-spacing: 1px;
    line-height: 1.35;
}

.bd-subtitle { margin: 0 0 0.2rem; color: var(--text-sub); font-size: 0.95rem; }

.bd-author-line { margin: 0.15rem 0; font-size: 1rem; }
.bd-author-line a { font-weight: 600; }
#bd-translator { color: var(--text-sub); font-size: 0.88rem; margin-left: 0.7rem; }

.bd-year { margin: 0.1rem 0 0; color: var(--text-sub); font-size: 0.84rem; }

.bd-actions {
    margin-top: auto;
    padding-top: 1rem;
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
    align-items: center;
}

.btn-primary {
    display: inline-block;
    background: var(--accent-color);
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    padding: 0.65rem 1.6rem;
    border-radius: 8px;
    transition: background 0.2s;
}

.btn-primary:hover { background: var(--accent-dark); }

.btn-ghost {
    font-size: 0.84rem;
    color: var(--text-sub);
    text-decoration: none;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.55rem 1rem;
    background: var(--card-bg);
}

.btn-ghost:hover { border-color: var(--accent-color); color: var(--accent-dark); }

.fav-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-sub);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.fav-btn:hover { border-color: var(--accent-color); color: var(--accent-dark); }

.fav-btn.is-active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

.fav-btn.is-active:hover { background: var(--accent-dark); border-color: var(--accent-dark); }

.fav-btn::after {
    content: attr(data-label);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-color);
    color: #fff;
    font-size: 0.75rem;
    white-space: nowrap;
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s;
}

.fav-btn:hover::after,
.fav-btn.show-hint::after { opacity: 1; }

.bd-section { margin-bottom: 1.8rem; }
.bd-section > h2 { margin-bottom: 0.7rem; }
.bd-section > p { margin: 0; font-size: 0.95rem; }

/* タグ表示(作品ページ) */
.tag-category { display: flex; gap: 0.4rem; margin-bottom: 0.45rem; align-items: baseline; }
.tag-category-label { flex-shrink: 0; font-size: 0.8rem; color: var(--text-sub); }
.tag-items { display: flex; flex-wrap: wrap; gap: 0.35rem; }

.tag-item {
    background: var(--bg-deep);
    border-radius: 12px;
    padding: 0.16rem 0.65rem;
    font-size: 0.78rem;
    color: var(--accent-dark);
    text-decoration: none;
    transition: background 0.15s;
}

.tag-item:hover { background: var(--accent-color); color: #fff; }

/* 各話一覧 */
.parts-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 0.4rem;
}

.part-item {
    display: flex;
    align-items: baseline;
    gap: 0.55rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    font-size: 0.88rem;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s;
}

.part-item:hover { border-color: var(--accent-color); }
.part-num { color: var(--text-sub); font-size: 0.78rem; min-width: 1.4em; text-align: right; }

/* ---- 作家ページ ---- */
.author-hero {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.6rem;
    display: flex;
    gap: 1.4rem;
    align-items: flex-start;
}

.au-portrait {
    margin: 0;
    flex-shrink: 0;
    width: 110px;
    text-align: center;
}

/* 枠は3:4。所蔵写真の縦横比の中央値(約0.73)に合わせ、頭部の切り取りを最小化する */
.au-portrait img {
    width: 110px;
    height: 147px;
    object-fit: cover;
    object-position: center 15%;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: block;
}

.au-portrait-credit {
    margin-top: 0.35rem;
    font-size: 0.62rem;
    color: var(--text-sub);
    line-height: 1.3;
}

.au-portrait-credit a { color: inherit; text-decoration: none; }
.au-portrait-credit a:hover { text-decoration: underline; }

@media (max-width: 520px) {
    .au-portrait { width: 84px; }
    .au-portrait img { width: 84px; height: 112px; }
}

.au-kana { margin: 0; color: var(--text-sub); font-size: 0.82rem; }

.au-head h1 { margin: 0 0 0.2rem; font-size: 1.7rem; letter-spacing: 2px; }

.au-years { margin: 0 0 0.6rem; color: var(--text-sub); font-size: 0.9rem; }

.au-actions { margin-left: auto; }

.au-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.au-tag {
    background: var(--bg-deep);
    border-radius: 12px;
    padding: 0.18rem 0.7rem;
    font-size: 0.78rem;
    color: var(--accent-dark);
}

.au-tag.small { font-size: 0.7rem; padding: 0.1rem 0.55rem; }

.works-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 0.4rem;
}

.work-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    font-size: 0.88rem;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.work-item:hover { border-color: var(--accent-color); color: var(--accent-dark); }
.work-sub { color: var(--text-sub); font-size: 0.78rem; }

/* ================= モバイル ================= */
@media (max-width: 820px) {
    .mobile-only { display: inline-block; }

    .site-header { padding: 0.6rem 0.9rem; gap: 0.9rem; }
    .site-nav { gap: 0.8rem; }

    .page-layout { height: auto; overflow: visible; display: block; }

    /* サイドバーはオーバーレイ化 */
    #search-sidebar {
        position: fixed;
        inset: 0;
        z-index: 200;
        width: 100%;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
    }

    body.mobile-sidebar-open #search-sidebar { transform: translateX(0); }
    body.mobile-sidebar-open { overflow: hidden; }

    #main-content { overflow: visible; padding: 1.1rem 0.9rem 2.5rem; }

    .hero-books { grid-template-columns: 1fr; }
    .card-grid { grid-template-columns: 1fr 1fr; }
    .card-grid .bc-summary { display: none; }
    .author-grid { grid-template-columns: 1fr 1fr; }

    .book-hero { flex-direction: column; align-items: center; text-align: center; }
    .bd-actions { justify-content: center; }
    .bd-head { align-items: center; }

    .page-main { padding: 1rem 0.9rem 3rem; }
}

@media (max-width: 480px) {
    .card-grid { grid-template-columns: 1fr; }
    .card-grid .bc-summary { display: -webkit-box; }
    .author-grid { grid-template-columns: 1fr; }
}

/* 名作ピックアップ・作品棚・代表作などの"棚"は、スマホでは1カラムに積み上げず
   横スクロールのカルーセルにする(何十件も縦に連なって見づらくなるのを防ぐ)。
   次のカードを少し見切れさせてスクロールできることが伝わるようにする */
@media (max-width: 820px) {
    .card-grid.shelf {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        /* スナップの基準位置そのものをこの分だけ内側にずらす。paddingだけだと
           スナップ後にカードが画面端ぴったりに戻ってしまうため必須 */
        scroll-padding-inline: 0.9rem;
        gap: 0.8rem;
        margin: 0 -0.9rem;
        padding: 0 0.9rem 0.4rem;
        -webkit-overflow-scrolling: touch;
    }

    .card-grid.shelf .book-card {
        scroll-snap-align: start;
        flex: 0 0 78%;
        max-width: 320px;
    }

    .card-grid.shelf .bc-summary { display: -webkit-box; }

    /* 作家棚(明治時代・戦後・海外作家など)も同様に横スクロールにする */
    .feature-author-grid.shelf {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        scroll-padding-inline: 0.9rem;
        gap: 0.8rem;
        margin: 0 -0.9rem;
        padding: 0 0.9rem 0.4rem;
        -webkit-overflow-scrolling: touch;
        max-height: none;
    }

    .feature-author-grid.shelf .feature-author-card {
        scroll-snap-align: start;
        flex: 0 0 82%;
        max-width: 320px;
    }
}

/* ---- ホーム画面(/app) ---- */
.home-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 2.2rem 1.4rem 3rem;
}

.home-hero {
    text-align: center;
    margin-bottom: 2.8rem;
}

.home-hero h1 {
    font-size: 1.9rem;
    margin: 0 0 0.5rem;
    color: var(--accent-dark);
}

.home-hero p {
    margin: 0 0 1.4rem;
    color: var(--text-sub);
    font-size: 0.92rem;
}

.home-search {
    display: flex;
    gap: 0.5rem;
    max-width: 560px;
    margin: 0 auto;
}

.home-search input {
    flex: 1;
    min-width: 0;
    padding: 0.8rem 1.1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    background: var(--card-bg);
    box-shadow: var(--shadow);
    transition: border-color 0.2s;
}

.home-search input:focus { border-color: var(--accent-color); }

.home-search button {
    padding: 0.8rem 1.4rem;
    background: var(--accent-color);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    white-space: nowrap;
    transition: background 0.2s;
}

.home-search button:hover { background: var(--accent-dark); }

/* 今日の一冊 */
.daily-card {
    display: flex;
    gap: 1.3rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.3rem;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow);
    transition: box-shadow 0.2s, transform 0.2s;
}

.daily-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }

.daily-cover {
    width: 110px;
    height: 150px;
    flex-shrink: 0;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem;
}

.daily-cover span {
    color: #fff;
    writing-mode: vertical-rl;
    font-weight: 600;
    font-size: 0.9rem;
    max-height: 100%;
    overflow: hidden;
}

.daily-body { min-width: 0; display: flex; flex-direction: column; }
.daily-title { font-weight: 700; font-size: 1.2rem; }
.daily-author { color: var(--text-sub); font-size: 0.85rem; margin-top: 0.15rem; }

.daily-summary {
    margin: 0.6rem 0;
    font-size: 0.86rem;
    line-height: 1.7;
    color: var(--text-sub);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 注目の作家(肖像帯)はホームでは左寄せで横いっぱいに */
.portrait-strip.home { justify-content: flex-start; max-width: none; }

@media (max-width: 780px) {
    .home-page { padding: 1.6rem 0.9rem 2.5rem; }
    .home-hero h1 { font-size: 1.5rem; }
    .daily-card { flex-direction: row; }
    .daily-cover { width: 88px; height: 122px; }
}