/* ═══════════════════════════════════════════════════════════
   手順のとなり ─ はてなブログ用 デザインCSS  案1b「傍注」
   貼り付け先: 管理画面 → デザイン → カスタマイズ → デザインCSS
   ベーステーマ: 「Brooklyn」など2カラム・シンプル系のテーマを推奨
   ═══════════════════════════════════════════════════════════ */

@import url("https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500;600&family=Noto+Sans+JP:wght@300;400;500&family=JetBrains+Mono:wght@400;500&display=swap");

/* ─── トークン ─────────────────────────────────────── */
:root {
  --tn-paper:    #FDFCF8;  /* 紙 */
  --tn-surface:  #FBFAF5;  /* 面（一段落ちる紙） */
  --tn-quote:    #F6F7F4;  /* 引用・プロフィール見出しの面 */

  --tn-ink:      oklch(24% 0.03 200);
  --tn-ink-soft: #36312A;
  --tn-ink-mute: #6B6558;
  --tn-ink-faint:#8A8272;

  --tn-rule:     #DFE3E0;  /* 罫線 */
  --tn-accent:   oklch(48% 0.07 180);
  --tn-accent-deep: oklch(28% 0.05 200);

  --tn-serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --tn-sans:  "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --tn-mono:  "JetBrains Mono", ui-monospace, monospace;

  --tn-note:   150px;      /* 傍注（となり）の列幅 */
  --tn-gap:    36px;
}

/* ═══ 全体 ═══════════════════════════════════════════ */
body {
  background: var(--tn-surface) !important;
  color: var(--tn-ink-soft);
  font-family: var(--tn-serif);
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.02em;
}
#container, #content, #main, #main-inner, #wrapper, #box2 {
  background: transparent !important;
}
/* ── 2カラムをこのCSSで組む ─────────────────────────
   Brooklyn は1カラムのテーマなので、サイドバーが本文の下に
   来るのはテーマ本来の挙動です。ここで #content-inner を
   グリッドにして、本文列とサイドバーを横に並べます。
   グリッドは回り込まないので、幅が足りなくても下に落ちません
   （1000px以下では意図して1カラムに切り替わります）。
   ─────────────────────────────────────────────────── */
#content-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  column-gap: 64px;
  align-items: start;
  max-width: 1120px;
  margin: 0 auto !important;
  padding: 0 32px !important;
  box-sizing: border-box;
}
#main, #main-inner, #box2, #box2-inner {
  width: auto !important;
  max-width: none !important;
  float: none !important;
  margin: 0 !important;
  padding: 0 !important;
}
#main { grid-column: 1; min-width: 0; }
#box2 { grid-column: 2; min-width: 0; padding-top: 48px !important; }

#blog-title-inner {
  border: 0 !important;
  box-shadow: none !important;
}
#globalheader-container { background: var(--tn-paper) !important; }

/* 「└」のマーク（手順とそのとなり）*/
#title::before,
.hatena-module-title::before,
.entry-content h3::before,
#footer::before {
  content: "";
  display: block;
  border-left: 1px solid var(--tn-accent);
  border-bottom: 1px solid var(--tn-accent);
}

/* ═══ マストヘッド ═══════════════════════════════════ */
/* テーマが付けている見出し内の罫線を消し、線は
   タイトル帯の下・メニューの下の2本だけにする */
#blog-title,
#top-editarea > div, #top-editarea > nav {
  border: 0 !important;
  box-shadow: none !important;
}
#blog-title {
  background: var(--tn-paper) !important;
  border-bottom: 1px solid var(--tn-rule) !important;
  padding: 52px 0 34px !important;
  text-align: left !important;
}
#footer-inner {
  max-width: 1120px;
  margin: 0 auto !important;
  padding: 0 32px;
  box-sizing: border-box;
}

#blog-title-inner {
  display: grid;
  grid-template-columns: 1fr 176px;
  column-gap: 40px;
  align-items: end;
  background: none !important;
  height: auto !important;
  max-width: 1120px;
  margin: 0 auto !important;
  padding: 0 32px !important;
  box-sizing: border-box;
}
/* Brooklyn などはブログ名と説明文を #blog-title-content で包む。
   contents にして、中の #title と #blog-description を
   そのまま上のグリッドの列に載せる。 */
#blog-title-content, #blog-title-inner > div:only-child {
  display: contents;
}
#title {
  grid-column: 1;
  font-family: var(--tn-serif) !important;
  font-weight: 500;
  font-size: 34px !important;
  letter-spacing: 0.2em !important;
  line-height: 1.4 !important;
  margin: 0 !important;
  border: 0 !important;
  border-left: 1px solid var(--tn-accent) !important;
  padding-left: 24px !important;
}
#title::before { width: 22px; height: 13px; margin-bottom: 16px; }
#title a { color: var(--tn-ink) !important; text-decoration: none !important; border: 0 !important; }
#title::after { content: none !important; }

#blog-description {
  grid-column: 2;
  font-family: var(--tn-serif) !important;
  font-weight: 400 !important;
  font-size: 12px !important;
  line-height: 1.95 !important;
  letter-spacing: 0.1em !important;
  color: var(--tn-ink-mute) !important;
  border: 0 !important;
  border-top: 1px solid var(--tn-rule) !important;
  padding-top: 12px !important;
  margin: 0 !important;
}

/* ヘッダ下のメニュー（固定ページや上部エリアのリンク列） */
#top-editarea {
  background: var(--tn-paper);
  border-bottom: 1px solid var(--tn-rule) !important;
  padding: 15px 0;
  font-family: var(--tn-sans);
  font-size: 12px;
  letter-spacing: 0.18em;
}
#top-editarea > div, #top-editarea > nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
  box-sizing: border-box;
}
#top-editarea a { color: var(--tn-ink-soft); text-decoration: none; margin-right: 40px; }
#top-editarea a:hover { color: var(--tn-accent-deep); }

/* ═══ パンくず ═══════════════════════════════════════ */
.breadcrumb {
  font-family: var(--tn-sans) !important;
  font-size: 11px !important;
  letter-spacing: 0.2em !important;
  color: var(--tn-ink-faint) !important;
  max-width: 1120px;
  margin: 0 auto !important;
  padding: 22px 32px 0 !important;
  box-sizing: border-box;
}
.breadcrumb a { color: var(--tn-ink-faint) !important; text-decoration: none !important; border: 0 !important; }

/* ═══ 一覧（アーカイブ形式＝「一覧」表示のとき） ═══════
   本文の列と、傍注（日付・カテゴリー）の列を隣に並べる。
   ─────────────────────────────────────────────────── */
.archive-entry {
  display: grid !important;
  grid-template-columns: 1fr 124px;
  column-gap: 28px;
  row-gap: 0;
  background: transparent !important;
  border: 0 !important;
  border-bottom: 1px solid var(--tn-rule) !important;
  box-shadow: none !important;
  border-radius: 0 !important;
  padding: 30px 0 !important;
  margin: 0 !important;
}
.archive-entry-header { display: contents; }

.archive-entry .archive-date,
.archive-entry .categories {
  grid-column: 2;
  font-family: var(--tn-mono);
  font-size: 11px !important;
  letter-spacing: 0.16em;
  margin: 0 !important;
}
.archive-entry .archive-date {
  grid-row: 1;
  border-top: 1px solid var(--tn-rule);
  padding-top: 12px !important;
  color: var(--tn-accent) !important;
}
.archive-entry .archive-date a { color: var(--tn-accent) !important; text-decoration: none !important; border: 0 !important; }
.archive-entry .categories {
  grid-row: 2;
  align-self: start;
  padding-top: 9px !important;
  font-family: var(--tn-sans);
  display: flex !important;
  flex-wrap: wrap;
  gap: 10px;
}
.archive-entry .categories a {
  background: none !important;
  border: 0 !important;
  padding: 0 !important;
  color: var(--tn-ink-faint) !important;
  text-decoration: none !important;
  font-size: 11px !important;
  letter-spacing: 0.16em;
}
.archive-entry .categories a::before { content: ""; }

.archive-entry .archive-entry-title,
.archive-entry .entry-title {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--tn-serif) !important;
  font-weight: 500 !important;
  font-size: 22px !important;
  line-height: 1.65 !important;
  letter-spacing: 0.05em !important;
  margin: 0 !important;
  border-left: 1px solid var(--tn-rule);
  padding: 0 0 12px 24px !important;
  text-wrap: pretty;
}
.archive-entry .archive-entry-title a,
.archive-entry .entry-title a,
.archive-entry .entry-title-link {
  color: var(--tn-ink) !important;
  text-decoration: none !important;
  border: 0 !important;
  background: none !important;
}
.archive-entry .archive-entry-title a:hover,
.archive-entry .entry-title a:hover { opacity: 0.6; }

.archive-entry .archive-entry-body,
.archive-entry .entry-description {
  grid-column: 1;
  grid-row: 2;
  border-left: 1px solid var(--tn-rule);
  padding-left: 24px !important;
  margin: 0 !important;
  font-family: var(--tn-sans);
  font-size: 13px !important;
  line-height: 2 !important;
  color: var(--tn-ink-mute) !important;
  text-wrap: pretty;
}
.archive-entry .archive-entry-body .entry-description { border: 0; padding: 0 !important; }
.archive-entry .social-buttons { grid-column: 1; grid-row: 3; padding-left: 24px; }
.archive-entry .archive-entry-tags,
.archive-entry .entry-thumb { display: none; }
/* 一覧のはてなブックマークボタン（実マークアップに存在）は隠す */
.archive-entry .social-buttons,
.archive-entry .hatena-bookmark-button,
.archive-entry .hatena-star-container { display: none !important; }

/* 一覧が「全文/カード」表示の場合の最低限の整え */
.page-index .entry {
  background: transparent !important;
  border: 0 !important;
  border-bottom: 1px solid var(--tn-rule) !important;
  box-shadow: none !important;
  border-radius: 0 !important;
  padding: 34px 0 !important;
  margin: 0 !important;
}

/* ═══ 記事ページ ═════════════════════════════════════
   タイトルの列（左・縦罫つき）と傍注の列（右）
   ─────────────────────────────────────────────────── */
/* 既定はサイドバーのある列幅を想定して縦積み。
   広い画面（1280px以上）でだけ傍注の列を隣に出す。 */
.entry-header {
  margin: 48px 0 0 !important;
  border: 0 !important;
  padding: 0 !important;
  text-align: left !important;
}
.entry-header .entry-title {
  font-family: var(--tn-serif) !important;
  font-weight: 500 !important;
  font-size: 34px !important;
  line-height: 1.62 !important;
  letter-spacing: 0.06em !important;
  color: var(--tn-ink) !important;
  margin: 0 !important;
  border-left: 1px solid var(--tn-accent);
  padding-left: 26px !important;
  text-wrap: pretty;
}
.entry-header .entry-title a { color: var(--tn-ink) !important; text-decoration: none !important; border: 0 !important; }

.entry-header .date {
  margin: 14px 0 0 27px !important;
  padding: 0 !important;
  font-family: var(--tn-mono) !important;
  font-size: 11px !important;
  letter-spacing: 0.16em !important;
  color: var(--tn-accent) !important;
}
.entry-header .date a { color: var(--tn-accent) !important; text-decoration: none !important; border: 0 !important; }
.entry-header .entry-categories,
.entry-header .categories {
  margin: 10px 0 0 27px !important;
  display: flex !important;
  flex-wrap: wrap;
  gap: 9px 16px;
  font-family: var(--tn-sans) !important;
  font-size: 11px !important;
  letter-spacing: 0.16em !important;
}
.entry-header .entry-categories a,
.entry-header .categories a {
  background: none !important;
  border: 0 !important;
  padding: 0 !important;
  color: var(--tn-ink-faint) !important;
  text-decoration: none !important;
}

/* 本文：タイトルの列に左端をそろえる */
.entry-content {
  margin: 0 !important;
  padding: 36px 0 0 27px !important;
  font-family: var(--tn-serif) !important;
  font-size: 16px !important;
  line-height: 2.2 !important;
  letter-spacing: 0.04em;
  color: var(--tn-ink-soft);
}
.entry-content p { margin: 0 0 1.6em; }

.entry-content h2 {
  font-family: var(--tn-serif) !important;
  font-weight: 500 !important;
  font-size: 23px !important;
  letter-spacing: 0.08em !important;
  color: var(--tn-ink) !important;
  background: none !important;
  border: 0 !important;
  border-top: 1px solid var(--tn-ink) !important;
  padding: 26px 0 0 !important;
  margin: 60px 0 20px !important;
}
.entry-content h3 {
  font-family: var(--tn-serif) !important;
  font-weight: 500 !important;
  font-size: 21px !important;
  letter-spacing: 0.08em !important;
  color: var(--tn-ink) !important;
  background: none !important;
  border: 0 !important;
  padding: 0 !important;
  margin: 52px 0 18px !important;
  display: flex;
  align-items: center;
  gap: 12px;
}
.entry-content h3::before { width: 14px; height: 11px; flex: 0 0 auto; }
.entry-content h4 {
  font-family: var(--tn-serif) !important;
  font-weight: 500 !important;
  font-size: 16px !important;
  letter-spacing: 0.05em !important;
  color: var(--tn-ink) !important;
  background: none !important;
  border: 0 !important;
  margin: 32px 0 8px !important;
}

.entry-content a {
  color: var(--tn-accent-deep) !important;
  text-decoration: none !important;
  border-bottom: 1px solid var(--tn-accent) !important;
  transition: opacity 0.2s;
}
.entry-content a:hover { opacity: 0.55; }

.entry-content blockquote {
  background: var(--tn-quote) !important;
  border: 0 !important;
  border-left: 2px solid var(--tn-accent) !important;
  border-radius: 0 !important;
  padding: 30px 34px !important;
  margin: 44px 0 !important;
  font-family: var(--tn-serif);
  font-size: 19px !important;
  line-height: 1.95 !important;
  font-weight: 500 !important;
  color: var(--tn-ink) !important;
}
.entry-content hr {
  border: 0 !important;
  border-top: 1px solid var(--tn-rule) !important;
  margin: 52px 0 !important;
}

/* 商品リンク（Amazon・楽天などの埋め込みカード）は下線を外す。
   カード自体が枠を持っているため、本文リンクの下線は不要。 */
.entry-content .hatena-asin-detail a,
.entry-content .hatena-asin-detail-title a,
.entry-content .hatena-asin-detail-info a,
.entry-content .hatena-asin-detail-image-link,
.entry-content .hatena-asin-detail-foot a,
.entry-content .hatena-rakuten-detail a,
.entry-content .hatena-citation a,
.entry-content a.keyword {
  border-bottom: 0 !important;
}
.entry-content .hatena-asin-detail {
  border: 1px solid var(--tn-rule);
  padding: 22px 24px;
  margin: 36px 0;
}
.entry-content .hatena-asin-detail-title a { color: var(--tn-ink) !important; }
.entry-content .hatena-asin-detail-info li,
.entry-content .hatena-asin-detail-foot {
  font-family: var(--tn-sans);
  font-size: 12px !important;
  line-height: 1.9 !important;
  color: var(--tn-ink-mute) !important;
}
.entry-content img { border-radius: 0 !important; box-shadow: none !important; max-width: 100%; height: auto; }
.entry-content figure { margin: 36px 0; }
.entry-content figcaption {
  font-family: var(--tn-sans);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--tn-ink-mute);
  margin-top: 10px;
}

/* 著者・日時などの記事フッター */
.entry-footer-section, .entry-footer .author, .author-name {
  font-family: var(--tn-sans) !important;
  font-size: 11px !important;
  letter-spacing: 0.12em !important;
  color: var(--tn-ink-faint) !important;
}
.entry-footer-section a, .entry-footer .author a { color: var(--tn-ink-faint) !important; text-decoration: none !important; border: 0 !important; }
.entry-footer-section .hatena-id-icon { width: 16px !important; height: 16px !important; border-radius: 50%; vertical-align: -3px; margin-right: 5px; }

/* ═══ 関連記事 ═══════════════════════════════════════ */
.related-entries {
  margin: 64px 0 0 !important;
  padding: 0 0 0 27px !important;
  border: 0 !important;
}
.related-entries .related-entries-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--tn-sans) !important;
  font-size: 11px !important;
  font-weight: 500 !important;
  letter-spacing: 0.26em !important;
  color: var(--tn-accent-deep) !important;
  background: none !important;
  border: 0 !important;
  padding: 0 !important;
  margin: 0 0 22px !important;
}
.related-entries .related-entries-title::before {
  content: "";
  display: block;
  width: 12px;
  height: 10px;
  flex: 0 0 auto;
  border-left: 1px solid var(--tn-accent);
  border-bottom: 1px solid var(--tn-accent);
}
.related-entries .urllist-item,
.related-entries .related-entry {
  border: 0 !important;
  border-bottom: 1px solid var(--tn-rule) !important;
  padding: 22px 0 !important;
  margin: 0 !important;
  background: none !important;
}
.related-entries .urllist-item:first-child,
.related-entries .related-entry:first-child { padding-top: 0 !important; }
.related-entries .urllist-item:last-child,
.related-entries .related-entry:last-child { border-bottom: 0 !important; }
.related-entries .urllist-title,
.related-entries .related-entry-title {
  font-family: var(--tn-serif) !important;
  font-weight: 500 !important;
  font-size: 16px !important;
  line-height: 1.75 !important;
  letter-spacing: 0.04em !important;
  margin: 0 0 8px !important;
  text-wrap: pretty;
}
.related-entries .urllist-title-link,
.related-entries .related-entry-title a {
  color: var(--tn-ink) !important;
  text-decoration: none !important;
  border-bottom: 0 !important;
}
.related-entries .urllist-title-link:hover,
.related-entries .related-entry-title a:hover { opacity: 0.6; }
.related-entries .urllist-date-link,
.related-entries .related-entry-date {
  font-family: var(--tn-mono) !important;
  font-size: 10px !important;
  letter-spacing: 0.16em !important;
  margin: 0 0 8px !important;
  display: block;
}
.related-entries .urllist-date-link a,
.related-entries .related-entry-date a {
  color: var(--tn-accent) !important;
  text-decoration: none !important;
  border-bottom: 0 !important;
}
.related-entries .urllist-entry-body,
.related-entries .related-entry-description {
  font-family: var(--tn-sans) !important;
  font-size: 12px !important;
  line-height: 1.95 !important;
  color: var(--tn-ink-mute) !important;
  margin: 0 !important;
  text-wrap: pretty;
}
.related-entries .urllist-image-link { margin-right: 20px !important; }
.related-entries .urllist-image { border-radius: 0 !important; }

/* ═══ ページャー ═════════════════════════════════════
   　一覧の「次のページ」は素のリンク、記事ページの前後記事は
   　罫線の囲みにする。
   ─────────────────────────────────────────────────── */
.pager {
  background: none !important;
  border: 0 !important;
  margin: 34px 0 0 !important;
  padding: 0 0 0 27px !important;
  font-family: var(--tn-sans);
  font-size: 12px !important;
  letter-spacing: 0.2em;
}
.pager a { color: var(--tn-ink-soft) !important; text-decoration: none !important; border: 0 !important; }
.pager a:hover { opacity: 0.6; }

.page-entry .pager {
  margin: 52px 0 0 !important;
  display: flex !important;
  gap: 20px;
  background: none !important;
  border: 0 !important;
}
.page-entry .pager .pager-prev, .page-entry .pager .pager-next {
  flex: 1;
  max-width: none !important;
  background: var(--tn-surface) !important;
  border: 1px solid var(--tn-rule) !important;
  border-radius: 0 !important;
  padding: 22px !important;
  margin: 0 !important;
  font-family: var(--tn-serif) !important;
  font-size: 14px !important;
  line-height: 1.7 !important;
}
.page-entry .pager .pager-next { text-align: right; }
.page-entry .pager a { display: block; }
.page-entry .pager-prev::before, .page-entry .pager-next::after {
  display: block;
  font-family: var(--tn-sans);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--tn-accent);
}
.page-entry .pager-prev::before { content: "前の記事"; margin-bottom: 8px; }
.page-entry .pager-next::after  { content: "次の記事"; }
.page-entry .pager-next a { display: flex; flex-direction: column-reverse; }

/* ═══ アーカイブ／カテゴリーページの見出し ═══════════ */
.archive-heading, .archive-header-category {
  margin: 0 !important;
  padding: 40px 0 8px !important;
  font-family: var(--tn-serif) !important;
  font-weight: 500 !important;
  font-size: 20px !important;
  letter-spacing: 0.12em !important;
  color: var(--tn-ink) !important;
  background: none !important;
  border: 0 !important;
}

/* ═══ 記事一覧ページ（/archive）════════════════════════
   デザイン案の「記事一覧」に寄せて、1件1行の詰まった一覧に
   する（抜粋を省き、日付を等幅で左に置く）。
   ※ はてなはトップを一覧表示にすると page-archive も付くので、
     :not(.page-index) でトップを除外する（これがないと
     トップの抜粋まで消えます）。
   ─────────────────────────────────────────────────── */
body.page-archive:not(.page-index) .archive-entry {
  display: grid !important;
  grid-template-columns: 56px 1fr;
  column-gap: 18px;
  padding: 11px 0 !important;
  border-bottom: 1px solid #F0EFEA !important;
}
body.page-archive:not(.page-index) .archive-entry .archive-date {
  grid-column: 1;
  grid-row: 1;
  border: 0 !important;
  padding: 4px 0 0 !important;
  font-size: 10px !important;
  letter-spacing: 0.14em;
}
body.page-archive:not(.page-index) .archive-entry .archive-entry-title,
body.page-archive:not(.page-index) .archive-entry .entry-title {
  grid-column: 2;
  grid-row: 1;
  border: 0 !important;
  padding: 0 !important;
  font-size: 14px !important;
  line-height: 1.8 !important;
}
body.page-archive:not(.page-index) .archive-entry .archive-entry-body,
body.page-archive:not(.page-index) .archive-entry .entry-description,
body.page-archive:not(.page-index) .archive-entry .categories { display: none !important; }

/* ── ページの見出し ──────────────────────────────
   /archive には見出しの要素がないので CSS で「記事一覧」を出す。
   カテゴリー・月別ページにははてなが .archive-heading（カテゴリー
   名など）を出すので、そのときは CSS の見出しを引っ込めて
   重複を防ぐ。 */
body.page-archive:not(.page-index) #main-inner::before {
  content: "記事一覧";
  display: block;
  font-family: var(--tn-serif);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--tn-ink);
  padding-top: 48px;
}
body.page-archive:has(.archive-heading) #main-inner::before,
body.page-archive-category #main-inner::before { content: none !important; padding: 0 !important; }

/* カテゴリー名・月別の見出しをページタイトルにする */
body.page-archive:not(.page-index) .archive-heading,
body.page-archive:not(.page-index) .archive-header-category {
  border: 0 !important;
  background: none !important;
  padding: 48px 0 0 !important;
  margin: 0 !important;
  font-family: var(--tn-serif) !important;
  font-weight: 500 !important;
  font-size: 20px !important;
  letter-spacing: 0.12em !important;
  color: var(--tn-ink) !important;
}
body.page-archive:not(.page-index) .archive-heading a,
body.page-archive:not(.page-index) .archive-header-category a {
  color: var(--tn-ink) !important;
  text-decoration: none !important;
  border: 0 !important;
}
/* 見出しの下の余分な罫線を消す */
body.page-archive:not(.page-index) .archive-header-category + *,
body.page-archive:not(.page-index) .archive-heading + hr { border-top: 0 !important; }

/* 年の見出し（archive-grouping.html のスクリプトが差し込む） */
.tn-year {
  display: flex;
  align-items: baseline;
  gap: 14px;
  border-bottom: 1px solid var(--tn-ink);
  padding-bottom: 8px;
  margin: 34px 0 8px;
}
.tn-year:first-of-type { margin-top: 26px; }
.tn-year .y {
  font-family: var(--tn-mono);
  font-size: 15px;
  letter-spacing: 0.16em;
  color: var(--tn-ink);
}
.tn-year .r { flex: 1; }
.tn-year .c {
  font-family: var(--tn-sans);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--tn-ink-faint);
}

/* ═══ サイドバー ═════════════════════════════════════ */
.hatena-module {
  background: transparent !important;
  border: 0 !important;
  margin-bottom: 44px !important;
}
.hatena-module-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--tn-sans) !important;
  font-size: 11px !important;
  font-weight: 500 !important;
  letter-spacing: 0.26em !important;
  color: var(--tn-accent-deep) !important;
  background: none !important;
  border: 0 !important;
  padding: 0 !important;
  margin-bottom: 16px !important;
}
.hatena-module-title::before { width: 12px; height: 10px; flex: 0 0 auto; }
.hatena-module-body { font-size: 13px; line-height: 1.9; }
/* サイドバー内のリンクは、モジュールの種類を問わず本文色に揃える
   （最新記事などテーマ側の a 指定が残る箇所があるため a まで指定） */
.hatena-module a,
.hatena-module-body a,
.hatena-module-recent-entries a,
.hatena-module-entries-access-ranking a,
.hatena-module-related-entries a,
.hatena-urllist a,
.urllist-title-link {
  color: var(--tn-ink-soft) !important;
  text-decoration: none !important;
  border-bottom: 1px solid transparent;
}
.hatena-module a:hover,
.hatena-module-body a:hover,
.hatena-module-recent-entries a:hover,
.hatena-urllist a:hover,
.urllist-title-link:hover {
  color: var(--tn-accent-deep) !important;
  border-bottom-color: var(--tn-accent);
}
.hatena-module-recent-entries li { margin-bottom: 12px; }
.hatena-module-search-box .search-form {
  background: var(--tn-paper);
  border: 1px solid var(--tn-rule);
  padding: 4px 8px;
}
.hatena-module-search-box .search-module-input { font-family: var(--tn-sans); font-size: 12px; }
/* プロフィール（アイコン・自己紹介・読者になる・Xフォロー） */
.hatena-module-profile .profile-icon,
.hatena-module-profile .profile-icon-image { border-radius: 0 !important; width: 56px !important; height: 56px !important; }
.hatena-module-profile .id { font-family: var(--tn-mono) !important; font-size: 11px !important; letter-spacing: 0.14em; }
.hatena-module-profile .profile-description {
  font-family: var(--tn-serif);
  font-size: 13px !important;
  line-height: 1.95 !important;
  color: var(--tn-ink-soft) !important;
}
.hatena-module-profile .hatena-follow-button-box,
.hatena-module-profile .social-buttons { margin-top: 16px !important; }
.hatena-module-profile .hatena-follow-button {
  background: var(--tn-paper) !important;
  border: 1px solid var(--tn-rule) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  color: var(--tn-ink-soft) !important;
  font-family: var(--tn-sans) !important;
  font-size: 11px !important;
  letter-spacing: 0.14em;
}

/* 読者になる・Xフォローのパーツをテキストリンクに落とす
   （ボタンの強い色と影がデザインから浮くため） */
.hatena-follow-button-box,
.hatena-module-profile .social-buttons {
  margin-top: 18px !important;
  padding-top: 14px;
  border-top: 1px solid var(--tn-rule);
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}
.hatena-follow-button-box iframe,
.hatena-module-profile .social-buttons iframe { filter: grayscale(1); opacity: 0.75; }
/* 読者数のバッジはそのまま残す（隠すと割括弧だけが残るため） */
.hatena-module-profile .subscription-count {
  font-family: var(--tn-mono);
  font-size: 10px !important;
  color: var(--tn-ink-faint) !important;
}
/* プロフィール内の「このブログについて」を控えめなリンクに */
.hatena-module-profile .profile-about a,
.hatena-module-profile .hatena-module-body > a[href*="/about"] {
  font-family: var(--tn-sans);
  font-size: 11px !important;
  letter-spacing: 0.14em;
  color: var(--tn-ink-faint) !important;
}

/* このブログについて（/about はてな標準ページ） */
.page-about #main-inner .entry-content dt,
.page-about #main-inner h2 {
  font-family: var(--tn-sans) !important;
  font-size: 11px !important;
  font-weight: 500 !important;
  letter-spacing: 0.24em !important;
  color: var(--tn-accent-deep) !important;
  background: none !important;
  border: 0 !important;
  border-top: 1px solid var(--tn-rule) !important;
  padding: 22px 0 0 !important;
  margin: 32px 0 10px !important;
}
.page-about #main-inner .entry-content dd {
  font-family: var(--tn-serif);
  font-size: 15px !important;
  line-height: 2.1 !important;
  color: var(--tn-ink-soft) !important;
  margin: 0 !important;
  padding: 0 !important;
}

/* カテゴリーモジュール（25件あるため折りたたまず小さく詰める） */
.hatena-module-category .hatena-urllist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}
.hatena-module-category .hatena-urllist li { margin: 0 !important; border: 0 !important; padding: 0 !important; }
.hatena-module-category .hatena-urllist a { font-family: var(--tn-sans); font-size: 11px !important; letter-spacing: 0.08em; }

/* 月別アーカイブ（開閉つきのツリー） */
.hatena-module-archive .archive-module-year { border-bottom: 1px solid var(--tn-rule); padding: 8px 0; }
.hatena-module-archive .archive-module-year > a { font-family: var(--tn-mono); font-size: 13px !important; letter-spacing: 0.14em; }
.hatena-module-archive .archive-module-months a { font-family: var(--tn-mono); font-size: 11px !important; color: var(--tn-ink-mute) !important; }
.hatena-module-archive .archive-module-show-all-link a { font-size: 11px !important; letter-spacing: 0.14em; }

/* ═══ フッター ═══════════════════════════════════════ */
#footer, #footer-inner {
  background: var(--tn-paper) !important;
  border-top: 1px solid var(--tn-rule) !important;
  color: var(--tn-ink-mute) !important;
  font-family: var(--tn-sans);
  font-size: 10px !important;
  letter-spacing: 0.26em;
  padding: 32px 0 !important;
  text-align: center;
}
#footer::before { width: 26px; height: 12px; margin: 0 auto 14px; }
#footer a { color: var(--tn-ink-soft) !important; }

/* ═══ 記事内で使える傍注パーツ ═══════════════════════
   本文に <p class="tn-note">…</p> と書くと、行の脇に置く
   小さな添え書きになります（スマホでは本文の下に回ります）。
   ─────────────────────────────────────────────────── */
.tn-note {
  float: right;
  clear: right;
  width: var(--tn-note);
  margin: 6px calc((var(--tn-note) + var(--tn-gap)) * -1) 24px var(--tn-gap);
  border-top: 1px solid var(--tn-rule);
  padding-top: 12px;
  font-family: var(--tn-sans);
  font-size: 11px !important;
  line-height: 1.85 !important;
  letter-spacing: 0.08em;
  color: var(--tn-ink-faint);
}
.tn-note .num { font-family: var(--tn-mono); color: var(--tn-accent); margin-right: 8px; }

/* ── 傍注の2列組みは、本文列に余裕がある画面だけ ──────
   サイドバーがある2カラムでは本文が細くなるため、
   1400px 以上のときだけ傍注を隣の列に出します。 */
@media (min-width: 1400px) {
  .entry-header {
    display: grid;
    grid-template-columns: 1fr var(--tn-note);
    column-gap: var(--tn-gap);
    align-items: start;
  }
  .entry-header .entry-title { grid-column: 1; grid-row: 1 / span 4; }
  .entry-header .date {
    grid-column: 2; grid-row: 1;
    border-top: 1px solid var(--tn-rule);
    padding-top: 12px !important;
    margin: 0 !important;
  }
  .entry-header .entry-categories,
  .entry-header .categories {
    grid-column: 2; grid-row: 2;
    flex-direction: column;
    margin: 10px 0 0 !important;
  }
  .entry-content { padding-right: calc(var(--tn-note) + var(--tn-gap)) !important; }
  .page-entry .pager { padding-right: calc(var(--tn-note) + var(--tn-gap)) !important; }
}

/* ═══ 「このブログについて」固定ページ ═══════════════
   hatena-tejun/about-page.html を貼ったページ用。
   ─────────────────────────────────────────────────── */
.tn-about { padding-left: 0; }
.tn-about .tn-mark {
  width: 24px; height: 13px;
  border-left: 1px solid var(--tn-accent);
  border-bottom: 1px solid var(--tn-accent);
  margin-bottom: 20px;
}
.tn-about-head {
  background: var(--tn-quote);
  padding: 40px 44px;
  margin: 0 0 34px;
}
.tn-about-name {
  font-family: var(--tn-serif);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--tn-ink);
}
.tn-about-id {
  margin-top: 10px;
  font-family: var(--tn-sans);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--tn-ink-faint);
}
.tn-about-lead {
  font-family: var(--tn-serif);
  font-size: 15px !important;
  line-height: 2.1 !important;
  color: var(--tn-ink-soft);
  text-wrap: pretty;
}
.tn-about-list {
  margin: 30px 0 0 !important;
  border-top: 1px solid var(--tn-rule);
  display: grid;
  grid-template-columns: 108px 1fr;
}
.tn-about-list dt {
  font-family: var(--tn-sans);
  font-size: 10px !important;
  font-weight: 400 !important;
  letter-spacing: 0.18em;
  color: var(--tn-ink-faint) !important;
  background: none !important;
  border: 0 !important;
  border-bottom: 1px solid var(--tn-rule) !important;
  padding: 12px 0 !important;
  margin: 0 !important;
}
.tn-about-list dd {
  font-family: var(--tn-sans);
  font-size: 12px !important;
  letter-spacing: 0.04em;
  color: var(--tn-ink-soft);
  border-bottom: 1px solid var(--tn-rule);
  padding: 12px 0 !important;
  margin: 0 !important;
}

@media (max-width: 768px) {
  .tn-about-head { padding: 28px 22px; }
  .tn-about-name { font-size: 22px; }
  .tn-about-list { grid-template-columns: 84px 1fr; }
}

/* 区切り（└のマーク） */
.tn-rule { margin: 52px 0; }
.tn-rule::before {
  content: "";
  display: block;
  width: 26px; height: 12px;
  border-left: 1px solid var(--tn-accent);
  border-bottom: 1px solid var(--tn-accent);
}

/* ═══ 1カラムに切り替え（サイドバーは本文の下） ═════ */
@media (max-width: 1000px) {
  #content-inner { display: block; padding: 0 24px !important; }
  #box2 { padding-top: 56px !important; border-top: 1px solid var(--tn-rule); margin-top: 56px !important; }
}

/* ═══ スマホ ═════════════════════════════════════════ */
@media (max-width: 768px) {
  #content-inner { padding: 0 20px !important; }
  .breadcrumb { padding: 18px 20px 0 !important; }
  #footer-inner { padding: 0 20px; }
  #blog-title-inner { display: block; padding: 0 20px !important; }
  #top-editarea > div, #top-editarea > nav { padding: 0 20px; }
  #blog-title { padding: 28px 0 20px !important; }
  #blog-title-inner { display: block; }
  #blog-title-content, #blog-title-inner > div:only-child { display: block; }
  #title { font-size: 22px !important; letter-spacing: 0.16em !important; padding-left: 16px !important; }
  #title::before { width: 18px; height: 10px; margin-bottom: 12px; }
  #blog-description { border-top: 0 !important; padding-top: 0 !important; margin-top: 10px !important; padding-left: 17px; }

  .archive-entry { grid-template-columns: 1fr 72px; column-gap: 14px; padding: 20px 0 !important; }
  .archive-entry .archive-entry-title { font-size: 17px !important; padding-left: 14px !important; }
  .archive-entry .archive-entry-body { padding-left: 14px !important; font-size: 12px !important; line-height: 1.95 !important; }
  .archive-entry .archive-date { padding-top: 8px !important; font-size: 10px !important; letter-spacing: 0.12em; }
  .archive-entry .categories { display: none !important; }

  .entry-header { display: block; margin-top: 32px !important; }
  .entry-header .entry-title { font-size: 24px !important; padding-left: 16px !important; }
  .entry-header .date { margin: 14px 0 0 17px !important; }
  .entry-header .entry-categories, .entry-header .categories { margin: 10px 0 0 17px !important; }

  .entry-content { padding: 28px 0 0 17px !important; font-size: 16px !important; line-height: 2.05 !important; }
  .entry-content blockquote { font-size: 17px !important; padding: 22px 24px !important; }
  .pager, .page-entry .pager { padding: 0 0 0 17px !important; flex-direction: column; }
  .tn-note { float: none; width: auto; margin: 24px 0; }
}