/* ブログ（/astech-blog/）だけで読み込む。site.css の色・文字・ボタンをそのまま使う。
   記事の本文は「長い文章でも疲れずに読める」ことを最優先にする：
   1行は全角で約38字まで（680px）、文字は 17〜18px、行の高さは 1.95、段落の間は 1.6em。
   色は site.css と同じ考え方（強調はブランドの青だけ）。囲みの「注意」「ハマった点」「解決策」だけ、意味を伝えるために控えめな色を使う。 */

.read { width: min(680px, 100% - var(--gutter) * 2); margin-inline: auto; }

/* ---------- パンくず・カテゴリーの印 ---------- */
.crumbs ol { display: flex; flex-wrap: wrap; margin: 0 0 20px; padding: 0; list-style: none; font-size: 0.8125rem; line-height: 1.6; color: var(--text-sub); }
.crumbs li { display: inline-flex; align-items: center; }
.crumbs li + li::before { content: "›"; margin: 0 0.55em; color: var(--text-faint); }
.crumbs a { color: var(--text-sub); }
.crumbs a:hover { color: var(--accent); }
.crumbs [aria-current] { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; max-width: 22em; }
.chip {
  display: inline-flex; align-items: center; padding: 1px 12px; border-radius: 980px;
  background: var(--bg-alt); color: var(--text); font-size: 0.8125rem; font-weight: 500; line-height: 1.8; letter-spacing: 0.04em;
}
a.chip:hover { background: #e8e8ed; text-decoration: none; }
.draft-flag, .draft-banner { color: #a1420a; font-weight: 600; }
.draft-flag { font-size: 0.8125rem; }
.draft-banner { margin: 0 0 16px; padding: 10px 16px; border-radius: 12px; background: #fff4e5; font-size: 0.9375rem; }

/* ---------- 一覧 ---------- */
.blog { padding-bottom: clamp(80px, 9vw, 128px); }
.blog-hero { padding-block: clamp(56px, 7vw, 96px) clamp(32px, 4vw, 48px); }
.blog-title {
  margin: 0; font-size: clamp(2.25rem, 1.4rem + 3vw, 3.5rem); font-weight: 700; line-height: 1.15;
  letter-spacing: -0.01em; font-feature-settings: "palt";
}
.blog-lead { margin: 0.7em 0 0; max-width: 36em; font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem); line-height: 1.75; color: var(--text-sub); }
.cat-nav ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 0; padding: 0; list-style: none; }
.cat-nav a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 18px; border-radius: 980px;
  box-shadow: inset 0 0 0 1px var(--line); color: var(--text); font-size: 0.875rem; transition: background-color 0.2s, color 0.2s;
}
.cat-nav a:hover { background: var(--bg-alt); text-decoration: none; }
.cat-nav a[aria-current] { background: var(--text); color: #fff; box-shadow: none; }
.blog-empty { margin: 24px 0 0; color: var(--text-sub); }

.post-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 48px 28px; margin: 0; padding: 0; list-style: none; }
.post-card a { display: block; color: var(--text); }
.post-card a:hover { text-decoration: none; }
.post-card a:hover .post-card-title { color: var(--accent); }
.post-card-img { display: block; overflow: hidden; border-radius: 18px; background: var(--bg-alt); aspect-ratio: 40 / 21; }
.post-card-img img { width: 100%; height: 100%; object-fit: cover; }
.post-card-noimg { display: block; width: 100%; height: 100%; }
.post-card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; margin-top: 14px; font-size: 0.8125rem; color: var(--text-sub); }
.post-card-title {
  display: block; margin-top: 8px; font-size: 1.1875rem; font-weight: 700; line-height: 1.5; letter-spacing: 0.01em;
  transition: color 0.2s; text-wrap: pretty;
}
@media (max-width: 1068px) { .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 734px) { .post-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; } }

/* ---------- 記事 ---------- */
.post { padding-bottom: clamp(80px, 9vw, 128px); }
.post-head { padding-top: clamp(32px, 5vw, 64px); }
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; margin: 0; font-size: 0.875rem; color: var(--text-sub); }
.post-title {
  margin: 18px 0 0; font-size: clamp(1.875rem, 1.3rem + 2.2vw, 2.75rem); font-weight: 700; line-height: 1.35;
  letter-spacing: 0.01em; font-feature-settings: "palt"; text-wrap: pretty;
}
.post-lead { margin: 20px 0 0; font-size: 1.0625rem; line-height: 1.85; color: var(--text-sub); }
.post-hero { width: min(980px, 100% - var(--gutter) * 2); margin: clamp(32px, 4vw, 48px) auto 0; }
.post-hero img { width: 100%; border-radius: 22px; }
@media (max-width: 734px) { .post-hero img { border-radius: 14px; } }

.post-body {
  margin-top: clamp(40px, 5vw, 56px);
  font-size: 1.0625rem; line-height: 1.95; letter-spacing: 0.03em;
  font-feature-settings: normal; text-spacing-trim: space-first;
}
@media (min-width: 735px) { .post-body { font-size: 1.125rem; } }
.post-body > :first-child { margin-top: 0; }
.post-body p { margin: 0 0 1.6em; }
.post-body h2 {
  margin: 2.8em 0 0.9em; font-size: clamp(1.5rem, 1.25rem + 1vw, 1.875rem); font-weight: 700; line-height: 1.45;
  letter-spacing: 0.01em; font-feature-settings: "palt"; text-wrap: pretty; scroll-margin-top: calc(var(--header) + 20px);
}
.post-body h3 {
  margin: 2.2em 0 0.7em; font-size: 1.25rem; font-weight: 700; line-height: 1.55;
  font-feature-settings: "palt"; scroll-margin-top: calc(var(--header) + 20px);
}
.post-body h4 { margin: 1.8em 0 0.5em; font-size: 1.0625rem; font-weight: 700; line-height: 1.6; }
.post-body a { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
.post-body a:hover { color: var(--accent-hover); text-decoration-thickness: 2px; }
.post-body ul, .post-body ol { margin: 0 0 1.6em; padding-left: 1.5em; }
.post-body li { margin: 0 0 0.5em; }
.post-body li > ul, .post-body li > ol { margin: 0.5em 0 0; }
.post-body li::marker { color: var(--text-sub); }
.post-body strong { font-weight: 700; }
.post-body blockquote { margin: 0 0 1.6em; padding: 0.2em 0 0.2em 1.2em; border-left: 3px solid var(--line); color: var(--text-sub); }
.post-body hr { margin: 3em auto; width: 40%; border: 0; border-top: 1px solid var(--line); }
.post-body :not(pre) > code {
  padding: 0.12em 0.4em; border-radius: 6px; background: var(--bg-alt);
  font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.86em; letter-spacing: 0; overflow-wrap: anywhere;
}

/* 目次 */
.toc { margin: 0 0 3em; padding: 22px 26px 18px; border-radius: 18px; background: var(--bg-alt); }
.toc-title { margin: 0 0 8px !important; font-size: 0.9375rem; font-weight: 700; letter-spacing: 0.06em; }
.toc ol { margin: 0 !important; padding: 0 !important; list-style: none; counter-reset: toc; }
.toc > ol > li { counter-increment: toc; margin: 0 !important; }
.toc > ol > li > a::before { content: counter(toc) "."; display: inline-block; min-width: 1.6em; color: var(--text-sub); font-variant-numeric: tabular-nums; }
.toc li li { margin: 0 !important; padding-left: 1.6em; font-size: 0.9375rem; }
.toc a { display: inline-block; padding: 9px 0; color: var(--text); line-height: 1.6; text-decoration: none !important; }
.toc a:hover { color: var(--accent); }

/* タグ・記事のあと */
.post-foot { margin-top: 3em; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.tags li { padding: 2px 12px; border-radius: 980px; box-shadow: inset 0 0 0 1px var(--line); color: var(--text-sub); font-size: 0.8125rem; line-height: 1.8; }
.tags li::before { content: "#"; margin-right: 0.15em; color: var(--text-faint); }
.post-after { margin-top: clamp(56px, 7vw, 88px); padding-top: clamp(40px, 5vw, 56px); border-top: 1px solid var(--line); }
.post-sub { margin: 0 0 24px; font-size: 1.375rem; font-weight: 700; line-height: 1.4; }
.post-related { margin-bottom: clamp(48px, 6vw, 72px); }
.post-related .post-grid { grid-template-columns: minmax(0, 1fr); gap: 0; }
.post-related .post-card a { display: grid; grid-template-columns: 168px minmax(0, 1fr); gap: 4px 20px; align-items: start; padding: 18px 0; border-bottom: 1px solid #e8e8ed; }
.post-related .post-card-img { grid-row: span 2; border-radius: 12px; }
.post-related .post-card-meta { margin-top: 0; }
.post-related .post-card-title { margin-top: 0; font-size: 1.0625rem; }
@media (max-width: 734px) {
  .post-related .post-card a { grid-template-columns: 112px minmax(0, 1fr); gap: 4px 14px; }
  .post-related .post-card-title { font-size: 1rem; }
}
.post-back { margin: clamp(40px, 5vw, 56px) 0 0; }

/* ---------- 部品：画像・動画・図 ---------- */
.fig { margin: 2.4em 0; }
.fig img, .fig video { width: 100%; border-radius: 14px; }
.fig video { display: block; height: auto; background: var(--bg-alt); }
.fig--video.fig--portrait video { width: min(360px, 80%); margin-inline: auto; }
.fig-zoom { display: block; cursor: zoom-in; }
.fig-zoom:focus-visible { outline-offset: 4px; border-radius: 16px; }
.fig img { box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.06); }
.fig--phone .fig-zoom { width: min(300px, 64vw); margin-inline: auto; }
.fig--phone img { border-radius: 0; box-shadow: none; filter: drop-shadow(0 20px 36px rgba(0, 0, 0, 0.14)); }
.fig--narrow .fig-zoom { width: min(440px, 80%); margin-inline: auto; }
.fig--diagram img { border-radius: 0; box-shadow: none; }
@media (min-width: 1069px) {
  .fig--wide { width: min(980px, 100vw - var(--gutter) * 2); margin-left: 50%; transform: translateX(-50%); }
}
.fig figcaption { margin-top: 12px; font-size: 0.875rem; line-height: 1.75; letter-spacing: 0.02em; color: var(--text-sub); text-align: center; }
.fig--compare .compare { margin-top: 0; }
.compare--blog .compare-screens { aspect-ratio: var(--ar); }
.post-body .compare-labels { margin: 16px auto 0; }
.compare--blog.compare--wide, .compare--wide + .compare-labels { width: 100%; }

/* 拡大表示（site.js が作る <dialog>） */
.zoom { width: 100vw; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0; background: rgba(255, 255, 255, 0.96); }
.zoom::backdrop { background: rgba(255, 255, 255, 0.96); }
.zoom[open] { display: grid; place-items: center; cursor: zoom-out; }
.zoom img { max-width: calc(100vw - 32px); max-height: calc(100dvh - 96px); width: auto; height: auto; object-fit: contain; }
.zoom-close {
  position: fixed; top: 12px; right: 12px; width: 44px; height: 44px; border: 0; border-radius: 50%;
  background: var(--bg-alt); color: var(--text); font-size: 1.5rem; line-height: 1; cursor: pointer;
}
.zoom-close:hover { background: #e8e8ed; }

/* ---------- 部品：コード・ターミナル ---------- */
.code, .term { margin: 2em 0; border-radius: 14px; overflow: hidden; background: #fafafc; box-shadow: inset 0 0 0 1px #e3e3e8; }
.code-head, .term-head {
  display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 6px 0 16px;
  border-bottom: 1px solid #e3e3e8; font-size: 0.8125rem; line-height: 1.4; color: var(--text-sub);
}
.code-lang { font-weight: 600; color: var(--text); }
.code-file { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.78rem; overflow-wrap: anywhere; }
.copy-btn {
  margin-left: auto; flex: none; min-height: 44px; padding: 0 12px; border: 0; border-radius: 8px;
  background: transparent; color: var(--accent); font-size: 0.8125rem; cursor: pointer; transition: background-color 0.2s;
}
.copy-btn:hover { background: #ececf0; }
.code pre, .term pre {
  margin: 0; padding: 16px 18px 18px; overflow-x: auto;
  font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.8125rem; line-height: 1.75; letter-spacing: 0;
  tab-size: 4; white-space: pre; overflow-wrap: normal;
}
@media (min-width: 735px) { .code pre, .term pre { font-size: 0.875rem; } }
.code pre:focus-visible, .term pre:focus-visible, .table-wrap:focus-visible { outline-offset: -2px; border-radius: 0; }
.term-where { padding: 1px 10px; border-radius: 980px; color: #fff; font-weight: 600; letter-spacing: 0.04em; }
.term--mac .term-where { background: var(--accent); }
.term--server .term-where { background: var(--text); }
.term-title { margin-left: -4px; }
.term-prompt { color: var(--text-faint); user-select: none; -webkit-user-select: none; }
.term-out { color: var(--text-sub); }

/* 色分け（Pygments が書き出す時に付ける印。Xcode の明るい配色に近づけた） */
pre .c, pre .c1, pre .cm, pre .ch, pre .cs, pre .cpf, pre .sd { color: #5d6c79; }
pre .c, pre .c1, pre .cm, pre .ch, pre .cs, pre .cpf { font-style: normal; }
pre .k, pre .kc, pre .kd, pre .kn, pre .kp, pre .kr, pre .kt, pre .ow, pre .nt { color: #9b2393; font-weight: 600; }
pre .s, pre .s1, pre .s2, pre .sa, pre .sb, pre .sc, pre .dl, pre .se, pre .sh, pre .si, pre .sx, pre .sr, pre .ss { color: #c41a16; }
pre .m, pre .mb, pre .mf, pre .mh, pre .mi, pre .mo, pre .il, pre .l, pre .ld { color: #1c00cf; }
pre .nb, pre .bp { color: #6c36a9; }
pre .nf, pre .fm, pre .nc { color: #0f68a0; }
pre .na { color: #815f03; }
pre .nv, pre .vc, pre .vg, pre .vi { color: #326d74; }
pre .cp { color: #643820; }
pre .gd { color: #c41a16; background: #fdecec; }
pre .gi { color: #1d7a37; background: #e9f7ee; }
pre .gh, pre .gu { color: var(--text-sub); font-weight: 600; }
pre .err { color: inherit; background: none; }

/* ---------- 部品：手順 ---------- */
.steps { margin: 2.2em 0 !important; padding: 0 !important; list-style: none; counter-reset: step; }
.steps > li { position: relative; margin: 0 !important; padding: 0 0 1.4em 3.1em; counter-increment: step; }
.steps > li::before {
  content: counter(step); position: absolute; left: 0; top: 0.1em; width: 2em; height: 2em; border-radius: 50%;
  background: var(--text); color: #fff; font-size: 0.9375rem; font-weight: 700; line-height: 2em; text-align: center; letter-spacing: 0;
}
.steps > li:not(:last-child)::after { content: ""; position: absolute; left: calc(1em * 0.9375 - 1px); top: 2.4em; bottom: 0.3em; width: 2px; background: #e3e3e8; }
.step-title { margin: 0 0 0.4em !important; font-weight: 700; line-height: 1.7; }
.step-body > :last-child { margin-bottom: 0; }

/* ---------- 部品：囲み ---------- */
.callout { margin: 2em 0; padding: 18px 22px 4px; border-radius: 14px; background: var(--c-bg); }
.callout-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; margin: 0 0 0.6em !important; line-height: 1.6; }
.callout-label {
  display: inline-flex; align-items: center; gap: 6px; color: var(--c); font-size: 0.875rem; font-weight: 700; letter-spacing: 0.06em;
}
.callout-label::before {
  content: ""; width: 18px; height: 18px; flex: none; background: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat; mask: var(--icon) center / contain no-repeat;
}
.callout-title { font-weight: 700; }
.callout-body { font-size: 0.9688em; }
.callout-body p, .callout-body ul, .callout-body ol { margin-bottom: 1em; }
.callout-body .code, .callout-body .term { margin: 1em 0; background: #fff; }
.callout--point { --c: var(--accent); --c-bg: #eef4fc; --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M10 2a6 6 0 0 0-3.5 10.9V15h7v-2.1A6 6 0 0 0 10 2zM7.5 16.5h5V18h-5z'/%3E%3C/svg%3E"); }
.callout--caution { --c: #a1420a; --c-bg: #fff4e5; --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M10 1.5 19 18H1zM9 7v5.5h2V7zm0 7v2h2v-2z' fill-rule='evenodd'/%3E%3C/svg%3E"); }
.callout--trap { --c: #b3261e; --c-bg: #fdf0ef; --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M10 1a9 9 0 1 0 0 18 9 9 0 0 0 0-18zM6 5l9 9-1 1-9-9z' fill-rule='evenodd'/%3E%3C/svg%3E"); }
.callout--solution { --c: #1d7a37; --c-bg: #edf7f0; --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M10 1a9 9 0 1 0 0 18 9 9 0 0 0 0-18zm-1.2 12.6L4.6 9.4 6 8l2.8 2.8L14 5.6 15.4 7z' fill-rule='evenodd'/%3E%3C/svg%3E"); }

/* ---------- 部品：表 ---------- */
.table-wrap { margin: 2em 0; overflow-x: auto; }
/* 表は縮めすぎず、入りきらない時は表だけを横にスクロールする。セルの中では単語の途中で折り返さない */
.table-wrap table { width: max-content; min-width: 100%; border-collapse: collapse; font-size: 0.9375rem; line-height: 1.7; }
.table-wrap th, .table-wrap td {
  max-width: 20em; padding: 10px 14px; border-bottom: 1px solid #e3e3e8; text-align: left; vertical-align: top;
  overflow-wrap: break-word; word-break: normal;
}
.table-wrap th { border-bottom-color: var(--text); font-weight: 700; white-space: nowrap; }
.table-wrap tr > :first-child { padding-left: 0; }

/* ---------- 部品：リンクカード ---------- */
.card {
  display: flex; align-items: center; gap: 18px; margin: 2em 0; padding: 18px 20px; border-radius: 16px;
  background: #fff; box-shadow: inset 0 0 0 1px #e3e3e8; color: var(--text) !important; text-decoration: none !important;
  transition: background-color 0.2s;
}
.card:hover { background: var(--bg-alt); }
.card-thumb { flex: none; width: 128px; }
.card-thumb img { width: 100%; aspect-ratio: 40 / 21; object-fit: cover; border-radius: 10px; }
.card-main { display: grid; gap: 4px; min-width: 0; }
.card-kind { font-size: 0.75rem; letter-spacing: 0.06em; color: var(--text-sub); }
.card-title { font-size: 1.0625rem; font-weight: 700; line-height: 1.5; }
.card-main::after { content: "詳しく見る ›"; margin-top: 2px; font-size: 0.8125rem; color: var(--accent); }
.card-text {
  font-size: 0.875rem; line-height: 1.7; color: var(--text-sub);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
@media (max-width: 734px) {
  .card { align-items: flex-start; padding: 16px; gap: 14px; }
  .card-thumb { width: 96px; }
}
.card-list .card { margin: 0 0 12px; }

@media (prefers-reduced-motion: reduce) {
  .cat-nav a, .post-card-title, .copy-btn, .card { transition: none; }
}

/* 筆者と、AI の支援についての一文（すべての記事に自動で入る） */
.post-author a { color: var(--text-sub); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
.post-author a:hover { color: var(--accent); }
.post-note {
  margin-top: 3em; margin-bottom: 0; padding-top: 1.2em; border-top: 1px solid #e3e3e8;
  font-size: 0.875rem; line-height: 1.8; color: var(--text-sub);
}

/* ターミナルの見出しの「サーバー」「で実行」を折り返さない（手順の中の狭い幅でも1行に） */
.term-where, .term-title, .code-lang { flex: none; white-space: nowrap; }
/* スマホでは表のセルを細めにして、2列目まで見えるようにする */
@media (max-width: 734px) { .table-wrap th, .table-wrap td { max-width: 12em; } }

/* ---------- シリーズ（まとめのページ）と、記事の前後の案内（2026-10-15） ---------- */
.series-kicker { margin: 0 0 6px; font-size: 0.875rem; font-weight: 600; color: var(--accent); letter-spacing: 0.04em; }
.series-list { margin: 0 auto; padding: 0; max-width: 760px; list-style: none; counter-reset: series; border-top: 1px solid var(--line); }
.series-list > li { counter-increment: series; border-bottom: 1px solid var(--line); }
.series-item { position: relative; display: block; padding: 20px 0 20px 3em; color: var(--text); text-decoration: none; }
.series-item::before {
  content: counter(series); position: absolute; left: 0; top: 20px; display: grid; place-items: center;
  width: 2em; height: 2em; border-radius: 50%; background: var(--text); color: #fff; font-size: 0.875rem; font-weight: 600; line-height: 1;
}
.series-item-title { display: block; font-size: 1.125rem; font-weight: 700; line-height: 1.5; }
.series-item:hover .series-item-title { color: var(--accent); }
.series-item-point { display: block; margin-top: 6px; color: var(--text-sub); font-size: 0.9375rem; line-height: 1.8; }
.series-nav { margin-top: 48px; padding: 20px 22px; border-radius: 18px; background: var(--bg-alt); }
.series-nav-head { margin: 0; font-size: 0.875rem; color: var(--text-sub); }
.series-nav-head a { display: inline-block; margin: 0 0.6em; padding-block: 10px; font-weight: 600; }
.series-nav-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 8px; }
.series-nav-links a { display: block; padding: 14px 16px; border-radius: 12px; background: #fff; color: var(--text); font-size: 0.9375rem; line-height: 1.6; text-decoration: none; }
.series-nav-links a:hover { color: var(--accent); }
.series-nav-links span { display: block; font-size: 0.8125rem; color: var(--text-sub); }
.series-next { grid-column: 2; text-align: right; }
@media (max-width: 734px) { .series-nav-links { grid-template-columns: minmax(0, 1fr); } .series-next { grid-column: auto; } }
.series-box { margin: 24px 0 0; }
.series-box-head { margin: 0; font-size: 0.875rem; font-weight: 600; color: var(--text-sub); }
.series-box ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 0; padding: 0; list-style: none; }
.series-box a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border-radius: 999px; background: var(--bg-alt); color: var(--text); font-size: 0.9375rem; text-decoration: none; }
.series-box a:hover { color: var(--accent); }
.blog-about { margin: 1em 0 0; max-width: 40em; font-size: 0.9375rem; line-height: 1.8; color: var(--text-sub); }
.blog-about b { display: block; color: var(--text); font-weight: 600; }
.post .author-box { margin-top: 24px; }
.series-guide { max-width: 760px; margin: 48px auto 0; }

/* シリーズ・カテゴリーのページの図（2026-10-16） */
.page-fig { margin: 24px 0 8px; }
.page-fig img { display: block; width: 100%; max-width: 640px; height: auto; border-radius: 18px; border: 1px solid var(--line, #d2d2d7); }