@import url("https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@500;700&display=swap");
/* アンドファクタリング — style.css
   方針: Webフォントなし／画像なし／JSなしで本文が読める。本文は16〜17px・行間1.9。 */

:root {
  --ink: #101826;
  --ink-2: #3a4655;
  --muted: #5d6877;
  --line: #dde3ea;
  --line-2: #eceef1;
  --bg: #ffffff;
  --paper: #f6f8fa;
  --navy: #0f1b2d;
  --navy-2: #1f3b63;
  --accent: #0e7c86;
  --accent-soft: #e3f2f3;
  --blue-soft: #eef2f7;
  --ok: #1f7a4d;
  --ok-soft: #e8f4ee;
  --warn: #a8321f;
  --warn-soft: #fbece9;
  --note-soft: #f3f1ea;
  --radius: 8px;
  --wrap: 1120px;
  --narrow: 760px;
  --mono: "Roboto Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  --font: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "BIZ UDPGothic", "Yu Gothic UI", "Yu Gothic", Meiryo, system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font); font-size: 16px; line-height: 1.85;
  font-feature-settings: "palt" 0; overflow-wrap: anywhere;
}
@media (min-width: 900px) { body { font-size: 17px; } }
img, svg { max-width: 100%; }
a { color: var(--navy-2); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--navy); color: #fff; padding: 8px 12px; z-index: 99; }
.skip:focus { left: 8px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
@media (min-width: 700px) { .wrap { padding: 0 24px; } }
.narrow { max-width: var(--narrow); }
.ico { flex: none; vertical-align: -3px; }
.br-sp { display: none; }
@media (max-width: 600px) { .br-sp { display: inline; } }

/* ---------- header ---------- */
.site-header { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.header-inner { display: flex; align-items: center; gap: 16px; min-height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-mark {
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: 9px;
  background: var(--navy); color: #fff; font-weight: 800; font-size: 22px; line-height: 1; font-family: Georgia, "Times New Roman", serif;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-weight: 800; font-size: 17px; letter-spacing: .02em; }
.brand-sub { font-size: 11px; color: var(--muted); letter-spacing: .06em; }
.nav-toggle { display: none; }
.nav-btn { display: none; }
.gnav { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.gnav ul { display: flex; gap: 2px; list-style: none; margin: 0; padding: 0; }
.gnav a { display: block; padding: 8px 9px; font-size: 14px; font-weight: 600; color: var(--ink-2); text-decoration: none; border-radius: 6px; white-space: nowrap; }
.gnav a:hover, .gnav a[aria-current] { background: var(--blue-soft); color: var(--navy); }
.nav-search { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; background: var(--paper); }
.nav-search input { border: 0; background: transparent; padding: 7px 4px 7px 14px; width: 150px; font: inherit; font-size: 14px; }
.nav-search input:focus { outline: none; }
.nav-search button { border: 0; background: transparent; padding: 0 12px; color: var(--muted); cursor: pointer; }
@media (max-width: 1080px) {
  .nav-btn { display: flex; flex-direction: column; justify-content: center; gap: 5px; margin-left: auto; width: 44px; height: 44px; cursor: pointer; }
  .nav-btn span { display: block; height: 2px; background: var(--ink); border-radius: 2px; margin: 0 10px; }
  .gnav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 16px 16px; flex-direction: column; align-items: stretch; box-shadow: 0 12px 24px rgba(19, 41, 75, .08); }
  .gnav ul { flex-direction: column; }
  .gnav a { padding: 12px 8px; font-size: 15px; border-bottom: 1px solid var(--line-2); border-radius: 0; }
  .nav-search input { width: 100%; }
  .nav-toggle:checked ~ .gnav { display: flex; }
}

/* ---------- breadcrumbs ---------- */
.crumbs ol { display: flex; flex-wrap: wrap; gap: 4px; list-style: none; margin: 0; padding: 14px 0 0; font-size: 13px; color: var(--muted); }
.crumbs li:not(:last-child)::after { content: "›"; margin-left: 6px; color: #a3abb5; }
.crumbs a { color: var(--muted); }

/* ---------- common sections ---------- */
.sec-h { font-size: 1.35rem; line-height: 1.5; margin: 0 0 16px; letter-spacing: .01em; }
.sec-h-inv { color: #fff; }
.more { margin: 16px 0 0; font-weight: 700; }
.more a { display: inline-flex; align-items: center; gap: 6px; text-decoration: none; }
.home-sec { padding: 48px 16px 8px; }
@media (min-width: 700px) { .home-sec { padding: 64px 24px 8px; } }
.src-note { font-size: 13px; color: var(--muted); margin-top: 10px; }
.empty { color: var(--muted); }

/* ---------- hero ---------- */
.hero { background: linear-gradient(180deg, var(--paper), #fff); border-bottom: 1px solid var(--line-2); }
.hero-inner { padding-top: 48px; padding-bottom: 44px; }
.hero-eyebrow { margin: 0 0 8px; color: var(--accent); font-weight: 700; letter-spacing: .12em; font-size: 13px; }
.hero h1 { font-size: clamp(1.8rem, 5vw, 2.9rem); line-height: 1.35; margin: 0 0 16px; letter-spacing: .01em; }
.hero-lead { max-width: 720px; color: var(--ink-2); margin: 0 0 24px; }
.hero-search { display: flex; max-width: 640px; border: 2px solid var(--navy); border-radius: 12px; overflow: hidden; background: #fff; }
.hero-search input { flex: 1; min-width: 0; border: 0; padding: 14px 16px; font: inherit; }
.hero-search input:focus { outline: none; }
.hero-search button { display: inline-flex; align-items: center; gap: 6px; border: 0; background: var(--navy); color: #fff; padding: 0 20px; font: inherit; font-weight: 700; cursor: pointer; }
.hero-paths { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; list-style: none; padding: 0; margin: 24px 0 0; }
@media (min-width: 800px) { .hero-paths { grid-template-columns: repeat(4, 1fr); } }
.hero-paths a { display: flex; flex-direction: column; gap: 2px; padding: 14px 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: var(--ink); height: 100%; }
.hero-paths a:hover { border-color: var(--navy); }
.hero-paths strong { font-size: 15px; }
.hero-paths span { font-size: 13px; color: var(--muted); }

/* ---------- definition block ---------- */
.define { display: grid; gap: 32px; }
@media (min-width: 960px) { .define { grid-template-columns: 1.15fr .85fr; align-items: start; } }
.define-lead { font-size: 1.02em; }
.define-lead strong { background: linear-gradient(transparent 62%, var(--accent-soft) 62%); }
.define-fig { margin: 0; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); color: var(--ink); }
.define-fig figcaption { font-size: 13px; color: var(--muted); margin-top: 8px; }
.fig-box { fill: #fff; stroke: var(--navy); stroke-width: 1.5; }
.fig-accent { fill: var(--blue-soft); }
.fig-muted { fill: var(--note-soft); stroke: #8a94a2; }
.fig-line { fill: none; stroke: var(--navy); stroke-width: 1.6; }
.fig-money { stroke: var(--accent); }
.fig-dash { stroke-dasharray: 5 4; }
.fig-arrow { fill: var(--navy); }
.fig-arrow-money { fill: var(--accent); }
.compare-mini th[scope="row"] { white-space: nowrap; }

/* ---------- numbers ---------- */
.numbers { background: var(--navy); color: #fff; margin-top: 56px; padding: 48px 0; }
.num-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; list-style: none; margin: 0; padding: 0; }
.num-grid li { display: flex; flex-direction: column; gap: 6px; padding: 18px; border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius); background: rgba(255,255,255,.04); }
.num { font-size: 2.2rem; font-weight: 800; line-height: 1.1; font-variant-numeric: tabular-nums; }
.num small { font-size: .95rem; margin-left: 2px; font-weight: 700; }
.num-label { font-size: 14px; line-height: 1.6; }
.num-src { font-size: 12px; color: #c9d3e2; margin-top: auto; }
.num-src a { color: #e3eaf5; }

/* ---------- category grid ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; list-style: none; margin: 0; padding: 0; }
.cat-grid a { display: grid; grid-template-columns: 40px 1fr; grid-template-rows: auto 1fr auto; column-gap: 12px; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: var(--ink); height: 100%; background: #fff; }
.cat-grid a:hover { border-color: var(--navy); background: var(--paper); }
.cat-ico { grid-row: 1 / 4; width: 40px; height: 40px; border-radius: 10px; background: var(--blue-soft); color: var(--navy); display: grid; place-items: center; }
.cat-name { font-weight: 700; line-height: 1.5; }
.cat-desc { font-size: 13px; color: var(--muted); line-height: 1.65; margin-top: 4px; }
.cat-count { font-size: 12px; color: var(--accent); font-weight: 700; margin-top: 6px; }

/* ---------- timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line); }
.timeline li { position: relative; display: grid; gap: 4px; padding: 0 0 22px 22px; }
@media (min-width: 700px) { .timeline li { grid-template-columns: 150px 1fr; gap: 16px; } }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 2px solid var(--accent); }
.timeline time { font-weight: 700; color: var(--navy); font-variant-numeric: tabular-nums; }
.tl-title { margin: 0; font-weight: 700; }
.tl-desc { margin: 2px 0 0; font-size: 14px; color: var(--ink-2); }
.tl-src { margin: 4px 0 0; font-size: 12px; color: var(--muted); }

/* ---------- promo / cards ---------- */
.two-col { display: grid; gap: 16px; }
@media (min-width: 860px) { .two-col { grid-template-columns: 1fr 1fr; } }
.promo { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: var(--paper); }
.promo-ico { margin: 0 0 8px; color: var(--accent); }
.promo-h { font-size: 1.2rem; margin: 0 0 8px; }
.promo-list { margin: 0; padding-left: 1.2em; }
.card-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; list-style: none; margin: 0; padding: 0; }
.card-list-lg { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.card { display: flex; flex-direction: column; gap: 6px; height: 100%; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: var(--ink); background: #fff; }
.card:hover { border-color: var(--navy); }
.card-feature { border-left: 4px solid var(--accent); }
.card-cat { font-size: 12px; font-weight: 700; color: var(--accent); }
.card-title { font-weight: 700; line-height: 1.55; }
.card-desc { font-size: 13.5px; color: var(--muted); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { font-size: 12px; color: var(--muted); margin-top: auto; }

/* ---------- stance ---------- */
.stance-sec { background: var(--paper); border-top: 1px solid var(--line-2); margin-top: 64px; padding: 48px 0; }
.principles { display: grid; gap: 12px; list-style: none; counter-reset: p; margin: 0; padding: 0; }
@media (min-width: 860px) { .principles { grid-template-columns: repeat(3, 1fr); } }
.principles li { counter-increment: p; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; display: flex; flex-direction: column; gap: 6px; }
.principles li::before { content: "0" counter(p); font-weight: 800; color: var(--accent); font-size: 14px; }
.principles span { font-size: 14px; color: var(--ink-2); }

/* ---------- hub pages ---------- */
.hub-head { padding: 28px 0 8px; max-width: 820px; }
.hub-eyebrow { display: inline-flex; align-items: center; gap: 6px; margin: 0 0 6px; font-size: 13px; font-weight: 700; color: var(--accent); }
.hub-head h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); line-height: 1.4; margin: 0 0 14px; }
.hub-head h1 small { font-size: .55em; color: var(--muted); font-weight: 600; margin-left: 6px; }
.hub-intro { margin: 0; color: var(--ink-2); }
.hub-count { font-size: 13px; color: var(--muted); }
.hub-section { margin: 40px 0 0; }
.article-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.article-list li { border-bottom: 1px solid var(--line); }
.article-list a { display: grid; gap: 4px; padding: 16px 4px; text-decoration: none; color: var(--ink); }
.article-list a:hover .al-title { color: var(--accent); }
.al-title { font-weight: 700; }
.al-desc { font-size: 14px; color: var(--muted); }
.al-meta { font-size: 12px; color: var(--muted); }

/* ---------- article ---------- */
.article-layout { display: grid; gap: 40px; padding-top: 12px; padding-bottom: 48px; }
@media (min-width: 1080px) { .article-layout { grid-template-columns: minmax(0, 1fr) 280px; } }
.article { min-width: 0; max-width: var(--narrow); }
.article-head { padding: 16px 0 8px; }
.cat-badge { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: var(--accent); text-decoration: none; }
.article-head h1 { font-size: clamp(1.55rem, 4.2vw, 2.1rem); line-height: 1.45; margin: 8px 0 14px; letter-spacing: .01em; }
.lead { color: var(--ink-2); margin: 0 0 12px; }
.meta { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 13px; color: var(--muted); }
.meta span { display: inline-flex; align-items: center; gap: 4px; }
.stance { display: inline-flex; align-items: center; gap: 6px; margin: 12px 0 0; padding: 4px 10px; background: var(--ok-soft); color: var(--ok); border-radius: 6px; font-size: 13px; font-weight: 600; }
.stance a { color: var(--ok); }

.keypoints { margin: 24px 0; padding: 20px 22px; background: var(--blue-soft); border-radius: var(--radius); border: 1px solid #d8e2f0; }
.kp-title { font-size: 1rem; margin: 0 0 8px; color: var(--navy); }
.keypoints ul { margin: 0; padding-left: 1.25em; }
.keypoints li { margin: 4px 0; }
.keypoints li::marker { color: var(--accent); }
.keyfacts caption { text-align: left; font-weight: 700; padding: 0 0 8px; }
.keyfacts th { width: 34%; }

.toc { margin: 24px 0; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 20px; background: #fff; }
.toc summary { font-weight: 700; cursor: pointer; }
.toc ol { margin: 10px 0 0; padding-left: 1.4em; font-size: 15px; }
.toc li { margin: 4px 0; }
@media (min-width: 1080px) { .toc { display: none; } }

.prose h2 { font-size: 1.4rem; line-height: 1.5; margin: 56px 0 16px; padding: 0 0 10px; border-bottom: 2px solid var(--navy); }
.prose h3 { font-size: 1.15rem; line-height: 1.55; margin: 36px 0 12px; padding-left: 12px; border-left: 4px solid var(--accent); }
.prose h4 { font-size: 1.02rem; margin: 28px 0 8px; }
.prose p { margin: 0 0 1.1em; }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 1.2em; }
.prose li { margin: .3em 0; }
.prose strong { background: linear-gradient(transparent 64%, var(--accent-soft) 64%); }
.prose blockquote { margin: 1.2em 0; padding: 12px 18px; border-left: 4px solid var(--line); background: var(--paper); color: var(--ink-2); }
.prose code { background: var(--note-soft); padding: 1px 6px; border-radius: 4px; font-size: .92em; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }
.prose figure { margin: 24px 0; }
.prose figcaption { font-size: 13px; color: var(--muted); }
sup.ref { font-size: .72em; line-height: 0; margin-left: 1px; }
sup.ref a { text-decoration: none; font-weight: 700; }

.table-wrap { overflow-x: auto; margin: 0 0 1.4em; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.65; background: #fff; }
th, td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
thead th { background: var(--navy); color: #fff; font-weight: 700; border-color: var(--navy); }
tbody th { background: var(--paper); font-weight: 700; }
@media (max-width: 600px) { table { font-size: 14px; } th, td { padding: 8px 10px; } }

.box { margin: 1.5em 0; padding: 16px 20px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--paper); }
.box > :last-child { margin-bottom: 0; }
.box-title { font-weight: 800; margin: 0 0 6px !important; font-size: .95em; }
.box-point { background: var(--accent-soft); border-color: #f0d3b6; }
.box-point .box-title { color: var(--accent); }
.box-warning { background: var(--warn-soft); border-color: #efc7bf; }
.box-warning .box-title { color: var(--warn); }
.box-definition { background: var(--blue-soft); border-color: #d8e2f0; border-left: 4px solid var(--navy); }
.box-definition .box-title { color: var(--navy); }
.box-law { background: #fff; border-left: 4px solid #8a94a2; }
.box-calc { background: #fff; border: 1px dashed #9aa6b5; }
.box-check { background: var(--ok-soft); border-color: #c5e3d2; }
.box-check .box-title { color: var(--ok); }
.box-example { background: #fff; }

.faq { margin: 56px 0 0; }
.faq > h2, .sources > h2, .changelog > h2, .related > h2 { font-size: 1.3rem; margin: 0 0 16px; padding-bottom: 10px; border-bottom: 2px solid var(--navy); }
.qa { border-bottom: 1px solid var(--line); padding: 14px 0; }
.qa h3 { display: flex; gap: 10px; font-size: 1.02rem; line-height: 1.6; margin: 0 0 6px; }
.qa p { display: flex; gap: 10px; margin: 0; color: var(--ink-2); }
.q, .a { flex: none; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; font-size: 13px; font-weight: 800; }
.q { background: var(--navy); color: #fff; }
.a { background: var(--accent-soft); color: var(--accent); }

.sources { margin: 48px 0 0; font-size: 14px; }
.sources ol { padding-left: 1.6em; margin: 0; }
.sources li { margin: 6px 0; }
.sources li:target { background: var(--accent-soft); }
.changelog { margin: 40px 0 0; font-size: 14px; }
.changelog ul { list-style: none; margin: 0; padding: 0; }
.changelog li { padding: 4px 0; }
.changelog time { font-variant-numeric: tabular-nums; color: var(--muted); }
.fix-note { font-size: 13px; color: var(--muted); }
.disclaimer { margin: 32px 0 0; padding: 14px 18px; background: var(--note-soft); border-radius: var(--radius); font-size: 13px; color: var(--ink-2); }
.disclaimer p { margin: 0; }
.related { margin: 48px 0 0; }

.side { display: none; }
@media (min-width: 1080px) {
  .side { display: block; }
  .side-toc, .side-box { position: sticky; top: 84px; }
  .side-toc { max-height: calc(100vh - 360px); overflow: auto; margin-bottom: 20px; }
}
.side-h { font-size: 13px; font-weight: 800; color: var(--muted); letter-spacing: .08em; margin: 0 0 8px; }
.side-toc ol { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line); font-size: 14px; line-height: 1.6; }
.side-toc li a { display: block; padding: 6px 0 6px 14px; color: var(--ink-2); text-decoration: none; margin-left: -2px; border-left: 2px solid transparent; }
.side-toc li a:hover, .side-toc li a.on { color: var(--navy); border-left-color: var(--accent); }
.side-box { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; background: var(--paper); top: auto; position: static; }
.side-links { list-style: none; margin: 0; padding: 0; font-size: 14px; }
.side-links a { display: flex; align-items: center; gap: 8px; padding: 7px 0; text-decoration: none; color: var(--ink); }
.side-links a:hover { color: var(--accent); }

/* ---------- companies ---------- */
.bars { display: grid; gap: 8px; max-width: 640px; margin: 16px 0; }
.bar-row { display: grid; grid-template-columns: 96px 1fr 48px; align-items: center; gap: 10px; font-size: 14px; }
.bar-track { background: var(--line-2); border-radius: 4px; height: 18px; overflow: hidden; }
.bar { display: block; height: 100%; background: var(--navy); border-radius: 4px; min-width: 2px; }
.bar-val { font-variant-numeric: tabular-nums; text-align: right; }
.db-filter { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: end; margin: 0 0 14px; padding: 14px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); font-size: 14px; }
.db-filter label { display: flex; flex-direction: column; gap: 4px; font-weight: 700; }
.db-filter select, .db-filter input { font: inherit; font-weight: 400; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.db-q { flex: 1; min-width: 180px; }
.db-count { margin: 0; color: var(--muted); width: 100%; }
.db-table { font-size: 14px; min-width: 860px; }
.db-table td:first-child a { font-weight: 700; }
.db-table .sub, .facts .sub { display: block; font-size: 12px; color: var(--muted); }
.db-table tr.ended { opacity: .6; }
.tag { display: inline-block; font-size: 11px; font-weight: 700; padding: 1px 6px; border-radius: 4px; margin-top: 4px; }
.tag-end { background: var(--note-soft); color: var(--muted); }
.facts th { width: 30%; }
.back { margin: 40px 0; }
.back a { display: inline-flex; gap: 6px; align-items: center; }

/* ---------- glossary ---------- */
.kana-nav ul { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 16px 0 0; padding: 0; position: sticky; top: 60px; }
.kana-nav a { display: grid; place-items: center; min-width: 40px; height: 40px; padding: 0 8px; border: 1px solid var(--line); border-radius: 8px; text-decoration: none; font-weight: 700; background: #fff; }
.gl-row-h { font-size: 1.3rem; margin: 40px 0 8px; padding-bottom: 6px; border-bottom: 2px solid var(--navy); }
.gl { margin: 0; }
.gl-item { padding: 16px 0; border-bottom: 1px solid var(--line); }
.gl-item:target { background: var(--accent-soft); padding-left: 12px; padding-right: 12px; border-radius: 8px; }
.gl dt { font-weight: 800; font-size: 1.08rem; }
.gl-anchor { color: var(--ink); text-decoration: none; }
.gl-anchor:hover::after { content: " #"; color: var(--accent); }
.gl-read, .gl-en { font-size: 12px; font-weight: 400; color: var(--muted); margin-left: 10px; }
.gl dd { margin: 6px 0 0; }
.gl dd p { margin: 0 0 6px; }
.gl-alias, .gl-rel, .gl-src { font-size: 13px; color: var(--muted); }

/* ---------- tools ---------- */
.tool-form { display: grid; gap: 14px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); margin: 0 0 24px; }
.tool-form .row { display: grid; gap: 6px; }
@media (min-width: 640px) { .tool-form .row { grid-template-columns: 220px 1fr; align-items: center; } }
.tool-form label { font-weight: 700; font-size: 15px; }
.tool-form .hint { font-size: 12.5px; color: var(--muted); grid-column: 1 / -1; margin: -4px 0 0; }
@media (min-width: 640px) { .tool-form .hint { grid-column: 2; } }
.tool-form input[type="number"], .tool-form input[type="date"], .tool-form select { font: inherit; padding: 10px 12px; border: 1px solid #c9d0d8; border-radius: 8px; background: #fff; width: 100%; max-width: 320px; }
.input-unit { display: flex; align-items: center; gap: 8px; }
.result { border: 2px solid var(--navy); border-radius: var(--radius); padding: 20px; background: #fff; margin: 0 0 24px; }
.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.result-item { background: var(--paper); border-radius: 8px; padding: 12px 14px; }
.result-item span { display: block; font-size: 13px; color: var(--muted); }
.result-item strong { font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.result-item.hl { background: var(--accent-soft); }
.result-note { font-size: 14px; margin: 14px 0 0; }
.check-list { list-style: none; padding: 0; margin: 0 0 20px; }
.check-list li { border: 1px solid var(--line); border-radius: 8px; margin: 8px 0; background: #fff; }
.check-list label { display: flex; gap: 12px; padding: 12px 14px; cursor: pointer; align-items: flex-start; }
.check-list input { margin-top: 6px; width: 18px; height: 18px; flex: none; accent-color: var(--warn); }
.check-list .why { display: block; font-size: 13px; color: var(--muted); }
.quiz fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 18px; margin: 0 0 12px; background: #fff; }
.quiz legend { font-weight: 700; padding: 0 6px; }
.quiz label { display: block; padding: 4px 0; cursor: pointer; }
.btn { display: inline-flex; align-items: center; gap: 6px; border: 0; background: var(--navy); color: #fff; padding: 12px 22px; border-radius: 8px; font: inherit; font-weight: 700; cursor: pointer; }
.btn:hover { background: var(--navy-2); }

/* ---------- updates / search ---------- */
.updates { list-style: none; margin: 0; padding: 0; }
.updates li { display: grid; gap: 2px; padding: 12px 0; border-bottom: 1px solid var(--line); }
@media (min-width: 700px) { .updates li { grid-template-columns: 130px 1fr; } .updates li span { grid-column: 2; } }
.updates time { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 14px; }
.updates span { font-size: 13px; color: var(--muted); }
.search-page { margin: 8px 0 16px; }
.search-results { list-style: none; margin: 0; padding: 0; }
.search-results li { padding: 14px 0; border-bottom: 1px solid var(--line); }
.search-results a { font-weight: 700; }
.search-results p { margin: 4px 0 0; font-size: 14px; color: var(--muted); }
.search-results .s { font-size: 12px; color: var(--accent); font-weight: 700; margin-right: 8px; }

/* ---------- footer ---------- */
.site-footer { background: var(--navy); color: #dbe3ee; margin-top: 64px; padding: 48px 0 28px; font-size: 14px; }
.home .site-footer { margin-top: 0; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; color: #fff; }
.foot-grid { display: grid; gap: 28px; }
@media (min-width: 860px) { .foot-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.brand-foot .brand-mark { background: #fff; color: var(--navy); }
.brand-foot .brand-name { color: #fff; }
.brand-foot .brand-sub { color: #aab8cc; }
.foot-about p { line-height: 1.8; }
.foot-disclosure { font-size: 13px; color: #b9c6d8; border-left: 3px solid var(--accent); padding-left: 10px; }
.foot-h { font-weight: 800; color: #fff; margin: 0 0 8px; }
.site-footer ul { list-style: none; margin: 0 0 18px; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px 12px; }
.foot-note { font-size: 12.5px; color: #aab8cc; border-top: 1px solid rgba(255,255,255,.14); padding-top: 18px; margin-top: 12px; }
.copy { font-size: 12px; color: #aab8cc; margin: 8px 0 0; }

@media print {
  .site-header, .site-footer, .side, .toc, .related { display: none; }
  body { font-size: 11pt; }
}

/* ---------- figures ---------- */
.fig { margin: 0; }
.fig svg { display: block; width: 100%; height: auto; }
.fg { font-family: var(--font); }
.fg-h { font-size: 16px; font-weight: 800; fill: var(--navy); }
.fg-t { font-size: 15px; font-weight: 700; fill: var(--ink); text-anchor: middle; }
.fg-box { fill: #fff; stroke: var(--navy); stroke-width: 1.6; }
.fg-fc { fill: var(--blue-soft); }
.fg-debtor { fill: var(--note-soft); stroke: #7d8795; }
.fg-l { fill: none; stroke: var(--navy); stroke-width: 2; }
.fg-m { stroke: var(--accent); }
.fg-d { stroke-dasharray: 6 5; }
.fg-arrow { fill: var(--navy); }
.fg-arrow-m { fill: var(--accent); }
.fg-n { fill: var(--navy); }
.fg-nm { fill: var(--accent); }
.fg-nt { font-size: 13px; font-weight: 800; fill: #fff; text-anchor: middle; }
.fig figcaption { display: grid; gap: 10px; margin-top: 12px; font-size: 13.5px; color: var(--ink-2); line-height: 1.65; }
@media (min-width: 560px) { .fig figcaption { grid-template-columns: 1fr 1fr; } .fg-key { grid-column: 1 / -1; } }
.fg-legend p { margin: 0 0 2px; color: var(--navy); }
.fg-legend ol { margin: 0; padding-left: 1.4em; }
.fg-key { margin: 0; font-size: 12.5px; color: var(--muted); }
.k { display: inline-block; width: 22px; height: 0; border-top: 2px solid var(--navy); vertical-align: middle; margin-right: 4px; }
.k-money { border-color: var(--accent); margin-left: 8px; }
.prose .fig { margin: 28px 0; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }

/* ---------- fixes ---------- */
.brand { flex: none; }
.brand-name, .brand-sub { white-space: nowrap; }
h1, h2, h3, .card-title, .al-title, .cat-name { word-break: auto-phrase; }

.narrow > section { margin-top: 40px; }
.db-table td:nth-child(2), .db-table td:nth-child(3), .db-table td:nth-child(4) { font-size: 13px; }

/* ---------- article extras ---------- */
.pillar-link { margin: 10px 0 0; font-size: 14px; color: var(--ink-2); }
.pillar-link a { font-weight: 700; }
.gl-link { color: inherit; text-decoration: underline dotted var(--accent); text-underline-offset: 4px; text-decoration-thickness: 1.5px; }
.gl-link:hover { color: var(--accent); }
.cite-box { margin: 40px 0 0; padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.cite-box h2 { font-size: 1.05rem; margin: 0 0 6px; }
.cite-box p { margin: 0 0 8px; font-size: 14px; color: var(--ink-2); }
.cite-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.cite-row code { flex: 1 1 260px; display: block; padding: 10px 12px; background: var(--paper); border: 1px solid var(--line); border-radius: 6px; font-size: 13px; line-height: 1.6; font-family: var(--font); }
.copy-btn { border: 1px solid var(--navy); background: #fff; color: var(--navy); border-radius: 6px; padding: 8px 14px; font: inherit; font-size: 13px; font-weight: 700; cursor: pointer; }
.copy-btn:hover { background: var(--blue-soft); }
.cat-list { margin: 48px 0 0; }
.cat-list h2 { font-size: 1.15rem; margin: 0 0 12px; padding-bottom: 8px; border-bottom: 2px solid var(--navy); }
.cat-list ul { list-style: none; margin: 0; padding: 0; columns: 2 280px; column-gap: 28px; font-size: 14.5px; }
.cat-list li { break-inside: avoid; padding: 6px 0; border-bottom: 1px solid var(--line-2); }
.cat-list span[aria-current] { font-weight: 700; color: var(--accent); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
html { scroll-behavior: smooth; }


/* ========================================================================
   案D：データベース型（2026-09-23 採用）
   濃紺のヘッダーバー、ティールのアクセント、数字は等幅。
   本文は端末標準のフォントのまま（日本語Webフォントは表示速度のため使わない）。
   ======================================================================== */
.site-header { background: var(--navy); border-bottom: 0; }
.brand-name { color: #fff; }
.brand-sub { color: #93a6c0; }
.brand-mark { background: #fff; color: var(--navy); }
.gnav a { color: #cfd9e6; }
.gnav a:hover, .gnav a[aria-current] { background: rgba(255, 255, 255, .12); color: #fff; }
.nav-search { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .22); }
.nav-search input { color: #fff; }
.nav-search input::placeholder { color: #93a6c0; }
.nav-search button { color: #cfd9e6; }
.nav-btn span { background: #fff; }
@media (max-width: 1080px) {
  .gnav { background: var(--navy); border-bottom: 0; }
  .gnav a { border-bottom-color: rgba(255, 255, 255, .12); }
}
.hero { background: linear-gradient(180deg, var(--blue-soft), #fff); border-bottom: 1px solid var(--line); }
.hero h1 { letter-spacing: -.01em; }
.hero-eyebrow { color: var(--accent); font-family: var(--mono); letter-spacing: .1em; }
.num, .kpi b { font-family: var(--mono); }
.num, .bar-val, .db-table td, .facts td, .updates time, .changelog time { font-variant-numeric: tabular-nums; }
.cat-ico { background: var(--accent-soft); color: var(--accent); }
.prose h2 { border-bottom: 2px solid var(--accent); }
.prose h3 { border-left: 4px solid var(--navy); }
.keypoints { background: #fff; border: 1px solid var(--line); border-left: 6px solid var(--accent); }
.kp-title { color: var(--navy); }
.prose strong, .define-lead strong { background: linear-gradient(transparent 64%, var(--accent-soft) 64%); }
.stance { background: var(--accent-soft); color: #0b5b63; }
.stance a { color: #0b5b63; }
.box-point { background: var(--accent-soft); border-color: #bfe0e3; }
.box-point .box-title { color: #0b5b63; }
.foot-disclosure { border-left-color: var(--accent); }
.gl-link { text-decoration-color: var(--accent); }

/* テスト環境の表示バー（config.environment.noindex が true のときだけ出る） */
.env-bar { margin: 0; padding: 6px 16px; background: #a8321f; color: #fff; font-size: 13px; font-weight: 700; text-align: center; letter-spacing: .02em; }