/* ============================================================
   setten-doc.css — set-ten.com 文書スタイル（共有）
   front-page.php と single.php が共有。functions.php で
   is_front_page() || is_singular('post') のときだけ enqueue。
   スコープは .setten-doc（両テンプレの body_class）。
   ============================================================ */
:root {
  --accent:        #0F6E56;
  --accent-bright: #1D9E75;
  --accent-bg:     #E1F5EE;
  --status-live:   #27c93f;
  --cat-blue:      #185FA5;
  --cat-blue-bg:   #E6F1FB;
  --cat-gray:      #5F5E5A;
  --cat-gray-bg:   #F1EFE8;
  --text-primary:   #1a1a18;
  --text-secondary: #5f5e5a;
  --text-tertiary:  #8b8a83;
  --bg-primary:    #ffffff;
  --bg-secondary:  #f7f6f1;
  --border:        rgba(0,0,0,0.10);
  --font-sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Noto Sans JP", sans-serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", "Menlo", "Consolas", monospace;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

.setten-doc * { box-sizing: border-box; margin: 0; padding: 0; }

.setten-doc {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-secondary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.setten-doc .page {
  max-width: 760px;
  margin: 2rem auto;
  background: var(--bg-primary);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* --- グローバルヘッダ --- */
.setten-doc .site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  border-bottom: 0.5px solid var(--border);
}
.setten-doc .logo { font-weight: 500; font-size: 15px; letter-spacing: 0.02em; color: var(--text-primary); text-decoration: none; }
.setten-doc .logo .dot { color: var(--accent-bright); }
.setten-doc .nav { display: flex; gap: 22px; font-size: 13px; color: var(--text-secondary); }
.setten-doc .nav a { color: inherit; text-decoration: none; }
.setten-doc .nav a:hover { color: var(--accent); }
.setten-doc .header-right { display: flex; align-items: center; gap: 18px; }
.setten-doc .site-search { display: flex; }
.setten-doc .site-search input {
  font-family: var(--font-sans); font-size: 12px;
  padding: 6px 11px; width: 140px;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 0.5px solid var(--border); border-radius: var(--radius-md);
  transition: border-color 0.15s, width 0.15s;
}
.setten-doc .site-search input::placeholder { color: var(--text-tertiary); }
.setten-doc .site-search input:focus { outline: none; border-color: var(--accent-bright); width: 168px; }

/* --- ヒーロー（front） --- */
.setten-doc .hero { padding: 3rem 2.75rem 2.5rem; }
.setten-doc .status-line {
  display: flex; align-items: center; gap: 9px;
  margin-bottom: 1.25rem;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--text-secondary); letter-spacing: 0.03em;
}
.setten-doc .status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--status-live); display: inline-block;
}
.setten-doc .hero-headline {
  font-size: 27px; font-weight: 500; line-height: 1.5;
  max-width: 30ch; margin-bottom: 1rem;
}
.setten-doc .hero-sub {
  font-size: 15px; line-height: 1.7;
  color: var(--text-secondary); max-width: 46ch;
}

/* --- 証明の索引: RUNNING SYSTEMS（front） --- */
.setten-doc .section-pad { padding: 0 2.75rem; }
.setten-doc .section-label {
  display: flex; align-items: center; gap: 8px; margin-bottom: 14px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; color: var(--accent);
}
.setten-doc .systems-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  margin-bottom: 2.5rem;
}
.setten-doc .system-card {
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
}
.setten-doc .system-name {
  display: flex; align-items: center; gap: 7px; margin-bottom: 8px;
  font-size: 14px; font-weight: 500;
}
.setten-doc .system-name .status-dot { width: 7px; height: 7px; }
.setten-doc .system-meta {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-secondary); line-height: 1.6;
}

/* --- 記事リスト（front の「最新の記録」/ single の「関連記事」共用） --- */
.setten-doc .records { border-top: 0.5px solid var(--border); padding-top: 2rem; }
.setten-doc .records-label {
  font-size: 13px; letter-spacing: 0.05em;
  color: var(--text-tertiary); margin-bottom: 1.25rem;
}
.setten-doc .record {
  display: flex; gap: 14px; padding: 14px 0;
  border-bottom: 0.5px solid var(--border);
}
.setten-doc .record:last-child { border-bottom: none; }
.setten-doc .record-tag {
  font-family: var(--font-mono); font-size: 10px;
  padding: 3px 8px; border-radius: var(--radius-sm);
  height: fit-content; white-space: nowrap;
}
.setten-doc .tag-build { color: var(--accent);    background: var(--accent-bg); }
.setten-doc .tag-ops   { color: var(--cat-blue);  background: var(--cat-blue-bg); }
.setten-doc .tag-system{ color: var(--cat-gray);  background: var(--cat-gray-bg); }
.setten-doc .record-title { font-size: 15px; margin-bottom: 3px; color: var(--text-primary); text-decoration: none; display: inline-block; }
.setten-doc a.record-title:hover { color: var(--accent); }
.setten-doc .record-date {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-tertiary);
}

/* ============================================================
   記事本文（single）— 文書タイポグラフィ
   ============================================================ */
.setten-doc .article { padding: 3rem 2.75rem 2.5rem; }
.setten-doc .article-cat {
  display: inline-block; font-family: var(--font-mono); font-size: 10px;
  padding: 3px 8px; border-radius: var(--radius-sm);
  color: var(--accent); background: var(--accent-bg);
  margin-bottom: 1rem; text-decoration: none;
}
.setten-doc .article-title { font-size: 28px; font-weight: 600; line-height: 1.5; margin-bottom: 0.9rem; }
.setten-doc .article-meta {
  display: flex; gap: 14px; align-items: center;
  font-family: var(--font-mono); font-size: 12px; color: var(--text-tertiary);
  padding-bottom: 1.5rem; border-bottom: 0.5px solid var(--border); margin-bottom: 2rem;
}

/* --- 本文要素 --- */
.setten-doc .article-body { font-size: 16px; line-height: 1.95; color: var(--text-primary); }
.setten-doc .article-body > * + * { margin-top: 1.5em; }
.setten-doc .article-body h2 {
  font-size: 21px; font-weight: 600; line-height: 1.5;
  margin-top: 2.6em; padding-bottom: 0.4em;
  border-bottom: 0.5px solid var(--border); scroll-margin-top: 1.5rem;
}
.setten-doc .article-body h3 { font-size: 17px; font-weight: 600; margin-top: 2em; scroll-margin-top: 1.5rem; }
.setten-doc .article-body h4 { font-size: 15px; font-weight: 600; margin-top: 1.8em; }
.setten-doc .article-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.setten-doc .article-body a:hover { color: var(--accent-bright); }
.setten-doc .article-body ul, .setten-doc .article-body ol { padding-left: 1.4em; }
.setten-doc .article-body li { margin-top: 0.4em; line-height: 1.9; }
.setten-doc .article-body li + li { margin-top: 0.3em; }
.setten-doc .article-body blockquote {
  border-left: 2px solid var(--accent-bright);
  padding: 0.2em 0 0.2em 1.2em; color: var(--text-secondary);
}
.setten-doc .article-body strong { font-weight: 600; }
.setten-doc .article-body img { max-width: 100%; height: auto; border-radius: var(--radius-md); display: block; }
.setten-doc .article-body figure { margin-top: 1.5em; }
.setten-doc .article-body figcaption {
  font-family: var(--font-mono); font-size: 12px; color: var(--text-tertiary);
  text-align: center; margin-top: 8px;
}
/* インラインコード */
.setten-doc .article-body :not(pre) > code {
  font-family: var(--font-mono); font-size: 0.86em;
  background: var(--bg-secondary); border: 0.5px solid var(--border);
  border-radius: var(--radius-sm); padding: 2px 6px;
}
/* コードブロック（端末風） */
.setten-doc .article-body pre {
  background: #11201b; color: #cfeede; border-radius: var(--radius-md);
  padding: 16px 18px; overflow-x: auto;
  font-family: var(--font-mono); font-size: 13px; line-height: 1.7;
}
.setten-doc .article-body pre code { font: inherit; color: inherit; background: none; border: none; padding: 0; }
.setten-doc .article-body table { width: 100%; border-collapse: collapse; font-size: 14px; }
.setten-doc .article-body th, .setten-doc .article-body td { border: 0.5px solid var(--border); padding: 8px 10px; text-align: left; }
.setten-doc .article-body th { background: var(--bg-secondary); }
/* SANGO の段落カラーアウト（標準CSS非読込時の最低限の見た目） */
.setten-doc .article-body .is-style-sango-paragraph-callout {
  background: var(--bg-secondary); border: 0.5px solid var(--border);
  border-radius: var(--radius-md); padding: 1rem 1.25rem;
}

/* --- 前後の記事 --- */
.setten-doc .article-nav {
  display: flex; gap: 16px; margin-top: 2.5rem;
  border-top: 0.5px solid var(--border); padding-top: 1.5rem;
}
.setten-doc .article-nav > * { flex: 1 1 0; min-width: 0; }
.setten-doc .article-nav a { color: var(--text-secondary); text-decoration: none; display: block; font-size: 13px; line-height: 1.5; }
.setten-doc .article-nav a:hover { color: var(--accent); }
.setten-doc .article-nav .nav-next { text-align: right; }
.setten-doc .article-nav .nav-dir {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em;
  color: var(--text-tertiary); display: block; margin-bottom: 5px;
}

/* --- 関連記事（.records / .record を流用、左パディングは article に合わせる） --- */
.setten-doc .article .related { margin-top: 2.5rem; }

/* --- コメント（最小・文書調） --- */
.setten-doc .article-comments { margin-top: 2.5rem; border-top: 0.5px solid var(--border); padding-top: 2rem; }
.setten-doc .comments-label { font-size: 13px; letter-spacing: 0.05em; color: var(--text-tertiary); margin-bottom: 1.25rem; }
.setten-doc .comment-list { list-style: none; }
.setten-doc .comment-list .comment { padding: 14px 0; border-bottom: 0.5px solid var(--border); }
.setten-doc .comment-list .comment-author { font-size: 13px; font-weight: 500; }
.setten-doc .comment-list .comment-meta { font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); margin-bottom: 6px; }
.setten-doc .comment-list .comment-content { font-size: 14px; line-height: 1.8; color: var(--text-secondary); }
.setten-doc .comment-respond { margin-top: 1.5rem; }
.setten-doc .comment-respond .comment-reply-title { font-size: 14px; font-weight: 600; margin-bottom: 0.8rem; }
.setten-doc .comment-respond input[type=text],
.setten-doc .comment-respond input[type=email],
.setten-doc .comment-respond input[type=url],
.setten-doc .comment-respond textarea {
  width: 100%; font-family: var(--font-sans); font-size: 14px;
  padding: 9px 11px; margin-bottom: 10px;
  background: var(--bg-secondary); color: var(--text-primary);
  border: 0.5px solid var(--border); border-radius: var(--radius-md);
}
.setten-doc .comment-respond textarea:focus,
.setten-doc .comment-respond input:focus { outline: none; border-color: var(--accent-bright); }
.setten-doc .comment-respond .submit {
  font-family: var(--font-sans); font-size: 13px; cursor: pointer;
  padding: 9px 20px; border-radius: var(--radius-md);
  border: 0.5px solid var(--accent-bright); color: var(--accent); background: transparent;
}
.setten-doc .comment-respond .submit:hover { background: var(--accent-bg); }
.setten-doc .comment-respond .comment-form-cookies-consent { font-size: 12px; }
.setten-doc .comment-respond .comment-notes,
.setten-doc .comment-respond .logged-in-as { font-size: 12px; color: var(--text-tertiary); margin-bottom: 0.8rem; }

/* ============================================================
   サイドバー（ウィジェット）— 共有
   ============================================================ */
.setten-doc .front-aside { padding: 0 2.75rem 1.5rem; }
.setten-doc .widget {
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.25rem;
  margin-bottom: 1.25rem;
}
.setten-doc .widget:last-child { margin-bottom: 0; }
.setten-doc .widget-label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em;
  color: var(--accent); margin-bottom: 12px;
}
.setten-doc .profile-head {
  display: flex; flex-direction: column; align-items: flex-start; gap: 10px; margin-bottom: 14px;
}
/* アバター: ローカル(Gravatar)も本番(SANGOがprofile_avatarで差し替え)も
   共通して付与される .avatar を狙う。SANGOの差し替えimgは独自class指定を落とすため。 */
.setten-doc .profile-head .avatar {
  width: 64px; height: 64px; border-radius: 50%; display: block;
}
.setten-doc .profile-name { font-size: 15px; font-weight: 500; }
.setten-doc .profile-bio { font-size: 13px; color: var(--text-secondary); }
.setten-doc .profile-bio p { line-height: 1.75; margin-bottom: 0.85em; }
.setten-doc .profile-bio p:last-child { margin-bottom: 0; }
.setten-doc .profile-bio a { color: var(--accent); text-decoration: none; word-break: break-all; }
.setten-doc .profile-bio a:hover { color: var(--accent-bright); }
.setten-doc .widget-link { font-size: 13px; color: var(--accent); text-decoration: none; }
.setten-doc .widget-link:hover { color: var(--accent-bright); }
.setten-doc .index-list { list-style: none; }
.setten-doc .index-list li {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 7px 0; border-bottom: 0.5px solid var(--border);
}
.setten-doc .index-list li:last-child { border-bottom: none; }
.setten-doc .index-list a { font-size: 13px; color: var(--text-primary); text-decoration: none; }
.setten-doc .index-list a:hover { color: var(--accent); }
.setten-doc .index-count {
  font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary);
}
.setten-doc .widget-sub { background: var(--bg-secondary); border: none; }
.setten-doc .widget-sub-text {
  font-size: 12px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 12px;
}
.setten-doc .widget-sub-buttons { display: flex; flex-wrap: wrap; gap: 8px; }

/* --- SHIP'S CHRONOMETER（front の lead widget） --- */
.setten-doc .widget-chrono { font-family: var(--font-mono); }
.setten-doc .chrono-stardate {
  font-size: 14px; letter-spacing: 0.04em; color: var(--text-primary); margin-bottom: 4px;
}
.setten-doc .chrono-stardate span { color: var(--accent); }
.setten-doc .chrono-clock {
  font-size: 23px; font-weight: 500; letter-spacing: 0.06em; color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}
.setten-doc .chrono-tz { font-size: 10px; color: var(--text-tertiary); letter-spacing: 0.12em; }
.setten-doc .chrono-status {
  display: flex; align-items: center; gap: 7px; margin-top: 11px;
  font-size: 11px; letter-spacing: 0.08em; color: var(--text-secondary);
}

/* --- 目次 TOC（single の lead widget・sticky 内でスクロール） --- */
.setten-doc .widget-toc .toc-list { list-style: none; font-size: 13px; }
.setten-doc .widget-toc .toc-list a {
  display: block; padding: 5px 0; color: var(--text-secondary);
  text-decoration: none; line-height: 1.5;
  border-left: 2px solid transparent; padding-left: 10px; margin-left: -2px;
}
.setten-doc .widget-toc .toc-list a:hover { color: var(--accent); }
.setten-doc .widget-toc .toc-list a.is-active { color: var(--accent); border-left-color: var(--accent-bright); }
.setten-doc .widget-toc .toc-h3 { padding-left: 22px; font-size: 12px; }

.setten-doc .btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-sans); font-size: 13px;
  padding: 8px 16px; border-radius: var(--radius-md);
  border: 0.5px solid var(--border);
  background: transparent; color: var(--text-primary);
  text-decoration: none;
  cursor: pointer; transition: background 0.15s;
}
.setten-doc .btn:hover { background: rgba(0,0,0,0.03); }
.setten-doc .btn-rss { border-color: var(--accent-bright); color: var(--accent); }

/* --- フッター --- */
.setten-doc .site-footer {
  border-top: 0.5px solid var(--border);
  padding: 1.5rem 2.75rem 2rem;
  display: flex; flex-direction: column; gap: 10px;
}
.setten-doc .footer-nav { display: flex; flex-wrap: wrap; gap: 18px; font-size: 12px; }
.setten-doc .footer-nav a { color: var(--text-secondary); text-decoration: none; }
.setten-doc .footer-nav a:hover { color: var(--accent); }
.setten-doc .footer-copy {
  font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary);
}

/* --- レスポンシブ --- */
@media (max-width: 600px) {
  .setten-doc .page { margin: 0; border: none; border-radius: 0; }
  .setten-doc .hero { padding: 2rem 1.5rem 1.5rem; }
  .setten-doc .hero-headline { font-size: 22px; }
  .setten-doc .article { padding: 2rem 1.5rem 1.5rem; }
  .setten-doc .article-title { font-size: 23px; }
  .setten-doc .section-pad, .setten-doc .records { padding-left: 1.5rem; padding-right: 1.5rem; }
  .setten-doc .systems-grid { grid-template-columns: 1fr; }
  .setten-doc .front-aside { padding-left: 1.5rem; padding-right: 1.5rem; }
  .setten-doc .site-header { flex-wrap: wrap; gap: 10px; }
  .setten-doc .header-right { gap: 12px; }
  .setten-doc .site-search input { width: 120px; }
  .setten-doc .site-search input:focus { width: 130px; }
  .setten-doc .site-footer { padding-left: 1.5rem; padding-right: 1.5rem; }
}

/* --- 2カラム化（デスクトップ: 本文 + 右サイドバー） --- */
@media (min-width: 900px) {
  .setten-doc .page { max-width: 1040px; }
  .setten-doc .page-body { display: flex; align-items: flex-start; gap: 2.5rem; }
  .setten-doc .front-main { flex: 1 1 auto; min-width: 0; }
  /* 本文セクションの右パディングは詰める（サイドバーとの間は gap が担う） */
  .setten-doc .front-main .hero,
  .setten-doc .front-main .article,
  .setten-doc .front-main .section-pad,
  .setten-doc .front-main .records { padding-right: 0.75rem; }
  .setten-doc .front-aside {
    flex: 0 0 290px;
    padding: 0 2.75rem 0 0;
    position: sticky; top: 1.5rem;
    max-height: calc(100vh - 3rem); overflow-y: auto;
  }
}

/* ============================================================
   アーカイブ / 検索 / ページネーション
   ============================================================ */
.setten-doc .archive-head { padding: 3rem 2.75rem 1.5rem; }
.setten-doc .archive-kicker {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em;
  color: var(--accent); margin-bottom: 10px;
}
.setten-doc .archive-title { font-size: 24px; font-weight: 600; line-height: 1.4; }
.setten-doc .archive-title .q { color: var(--accent); }
.setten-doc .archive-desc { font-size: 13px; color: var(--text-secondary); margin-top: 10px; line-height: 1.7; }
.setten-doc .archive-list { padding: 0 2.75rem 0.5rem; }
.setten-doc .archive-empty { padding: 0 2.75rem 2rem; color: var(--text-secondary); font-size: 14px; line-height: 1.8; }
.setten-doc .archive-empty .site-search { margin-top: 1rem; }

/* ページネーション（the_posts_pagination をラップ） */
.setten-doc .setten-pagination { padding: 1.25rem 2.75rem 2rem; }
.setten-doc .setten-pagination .nav-links { display: flex; gap: 8px; flex-wrap: wrap; font-family: var(--font-mono); font-size: 13px; }
.setten-doc .setten-pagination .page-numbers {
  padding: 6px 12px; border: 0.5px solid var(--border); border-radius: var(--radius-md);
  color: var(--text-secondary); text-decoration: none;
}
.setten-doc .setten-pagination .page-numbers.current { background: var(--accent); color: #fff; border-color: var(--accent); }
.setten-doc .setten-pagination a.page-numbers:hover { color: var(--accent); border-color: var(--accent-bright); }
.setten-doc .setten-pagination .pagination .screen-reader-text { position: absolute; left: -9999px; }

@media (max-width: 600px) {
  .setten-doc .archive-head,
  .setten-doc .archive-list,
  .setten-doc .archive-empty,
  .setten-doc .setten-pagination { padding-left: 1.5rem; padding-right: 1.5rem; }
  .setten-doc .archive-head { padding-top: 2rem; }
}
@media (min-width: 900px) {
  .setten-doc .front-main .archive-head,
  .setten-doc .front-main .archive-list,
  .setten-doc .front-main .setten-pagination { padding-right: 0.75rem; }
}

/* --- 404 --- */
.setten-doc .notfound-search { padding: 0 2.75rem 1.5rem; }
.setten-doc .notfound-search input[type="search"] {
  width: 100%; max-width: 360px;
  font-family: var(--font-sans); font-size: 14px; padding: 9px 12px;
  color: var(--text-primary); background: var(--bg-secondary);
  border: 0.5px solid var(--border); border-radius: var(--radius-md);
}
.setten-doc .notfound-search input[type="search"]:focus { outline: none; border-color: var(--accent-bright); }
@media (max-width: 600px) {
  .setten-doc .notfound-search { padding-left: 1.5rem; padding-right: 1.5rem; }
}
@media (min-width: 900px) {
  .setten-doc .front-main .notfound-search { padding-right: 0.75rem; }
}