:root {
  color-scheme: light;
  --ink: #132b3c;
  --muted: #4d6472;
  --line: #cfdae0;
  --paper: #f7fafb;
  --white: #ffffff;
  --brand: #075c72;
  --brand-dark: #064255;
  --accent: #d6f1ed;
  --sun: #ffce61;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); }
a { color: var(--brand); text-underline-offset: .18em; }
a:hover { color: var(--brand-dark); }
a:focus-visible, button:focus-visible { outline: 3px solid #e6a400; outline-offset: 4px; }
.skip { position: absolute; left: 1rem; top: -4rem; padding: .5rem 1rem; background: var(--white); z-index: 10; }
.skip:focus { top: 1rem; }
.shell { width: min(100% - 2rem, 1120px); margin-inline: auto; }
.site-header { background: var(--white); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: .72rem; color: var(--ink); text-decoration: none; font-weight: 800; letter-spacing: .015em; white-space: nowrap; }
.brand-mark { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--brand); color: var(--white); font-size: 1rem; line-height: 1; }
.site-nav { display: flex; flex-wrap: wrap; gap: 1.1rem; align-items: center; }
.site-nav a { color: var(--ink); font-size: .9rem; font-weight: 700; text-decoration: none; }
.site-nav a:hover { color: var(--brand); text-decoration: underline; }
.eyebrow { margin: 0 0 .8rem; color: var(--brand); font-weight: 800; font-size: .78rem; letter-spacing: .13em; text-transform: uppercase; }
.hero { padding: clamp(3.2rem, 7vw, 6rem) 0 3.5rem; background: linear-gradient(135deg, #e7f5f6 0%, #f7fafb 64%); border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr); gap: 3rem; align-items: end; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 4.25rem); line-height: 1.24; letter-spacing: -.045em; margin: 0 0 1.2rem; max-width: 14em; }
.hero h1.guide-title { font-size: clamp(2.2rem, 4vw, 3.4rem); max-width: none; }
.guide-title-line { display: block; }
.hero p { max-width: 40em; margin: 0; color: var(--muted); font-size: 1.06rem; }
.hero-note { background: var(--brand); color: var(--white); padding: 1.5rem; border-radius: 20px 20px 6px 20px; box-shadow: 0 18px 40px #0b4c6020; }
.hero-note strong { display: block; font-size: 1.08rem; line-height: 1.55; margin-bottom: .45rem; }
.hero-note p { color: #deebec; font-size: .9rem; }
.hero-note a { display: block; color: var(--white); font-weight: 700; line-height: 1.55; padding: .55rem 0; border-top: 1px solid #ffffff35; }
.hero-note a:hover { color: var(--sun); }
.hero-note .number { display: block; font-size: 3rem; font-weight: 800; line-height: 1; color: var(--sun); margin-bottom: .75rem; }
.section { padding-block: 3.5rem 4.5rem; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.section h2 { font-size: clamp(1.55rem, 3vw, 2.2rem); line-height: 1.35; margin: 0; letter-spacing: -.03em; }
.section-head p { margin: 0; color: var(--muted); }
.cluster-entry { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .9rem; margin-bottom: 1.3rem; }
.cluster-entry-card { display: flex; flex-direction: column; min-height: 180px; padding: 1.2rem 1.25rem; border: 1px solid var(--line); border-radius: 16px; background: var(--white); color: var(--ink); text-decoration: none; box-shadow: 0 6px 25px #1838490a; }
.cluster-entry-card:hover { border-color: var(--brand); background: #edf7f5; color: var(--ink); }
.cluster-entry-number { color: var(--brand); font-size: .75rem; font-weight: 800; letter-spacing: .04em; }
.cluster-entry-card strong { margin: .2rem 0; font-size: 1.35rem; line-height: 1.4; }
.cluster-entry-description { color: var(--muted); font-size: .88rem; line-height: 1.55; }
.cluster-entry-action { margin-top: auto; padding-top: .7rem; color: var(--brand); font-size: .86rem; font-weight: 800; }
.topic-nav { display: flex; align-items: center; flex-wrap: wrap; gap: .55rem; margin: 0 0 1.7rem; padding: .85rem 1rem; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.topic-nav strong { color: var(--ink); margin-right: .35rem; font-size: .86rem; }
.topic-nav a { display: inline-block; padding: .28rem .7rem; border: 1px solid var(--line); border-radius: 999px; color: var(--brand); background: var(--paper); font-size: .84rem; font-weight: 700; text-decoration: none; }
.topic-nav a:hover { border-color: var(--brand); background: var(--accent); }
.focus-list { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 2rem; align-items: center; padding: 1.7rem 2rem; margin: 0 0 3rem; border: 1px solid #bfd7d8; border-radius: 18px; background: linear-gradient(120deg, #e9f5f2, #f6fbfa); }
.focus-list-intro h3 { margin: 0 0 .5rem; font-size: 1.5rem; line-height: 1.4; }
.focus-list-intro p:last-child { color: var(--muted); margin: 0; font-size: .9rem; }
.focus-links { display: grid; gap: .5rem; }
.focus-links a { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .05rem .8rem; align-items: center; padding: .6rem .85rem; border: 1px solid #d4e5e4; border-radius: 10px; background: var(--white); color: var(--ink); text-decoration: none; }
.focus-links a:hover { border-color: var(--brand); }
.focus-links a span:first-child { color: var(--brand); font-size: .75rem; font-weight: 800; }
.focus-links a strong { grid-column: 1; line-height: 1.4; }
.focus-links a span:last-child { grid-column: 2; grid-row: 1 / 3; color: var(--brand); font-weight: 800; font-size: 1.25rem; }
.cluster-section { scroll-margin-top: 1rem; }
.cluster-section + .cluster-section { margin-top: 4rem; padding-top: 3rem; border-top: 1px solid var(--line); }
.cluster-heading { display: flex; gap: .9rem; align-items: baseline; margin-bottom: 1.4rem; }
.cluster-heading .cluster-number { color: var(--brand); font-size: .85rem; font-weight: 800; }
.cluster-heading strong { display: block; font-size: 1.75rem; line-height: 1.35; }
.cluster-heading p { margin: .2rem 0 0; color: var(--muted); font-size: .94rem; }
.topic-group + .topic-group { margin-top: 3rem; }
.topic-group { scroll-margin-top: 1rem; }
.topic-heading { display: flex; align-items: baseline; justify-content: space-between; gap: .5rem 2rem; margin: 0 0 1rem; }
.topic-heading h3 { margin: 0; font-size: 1.35rem; line-height: 1.45; }
.topic-heading p { margin: 0; color: var(--muted); font-size: .92rem; }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem; }
.card { display: flex; flex-direction: column; min-height: 235px; background: var(--white); border: 1px solid var(--line); border-radius: 18px; padding: 1.5rem; color: inherit; text-decoration: none; box-shadow: 0 6px 25px #1838490a; }
.card:hover { border-color: var(--brand); transform: translateY(-2px); transition: .18s ease; }
.card .tag { color: var(--brand); font-size: .78rem; font-weight: 800; margin-bottom: .5rem; }
.card .card-disclosure { align-self: flex-start; padding: .1rem .5rem; margin: 0 0 .65rem; border: 1px solid #d2a947; border-radius: 5px; background: #fff2ce; color: #493500; font-size: .74rem; font-weight: 800; line-height: 1.5; }
.card h3 { font-size: 1.35rem; line-height: 1.42; margin: 0 0 .6rem; letter-spacing: -.02em; }
.card h4 { font-size: 1.22rem; line-height: 1.45; margin: 0 0 .6rem; letter-spacing: -.02em; }
.card p { margin: 0 0 1.2rem; color: var(--muted); font-size: .92rem; }
.card .read { margin-top: auto; color: var(--brand); font-weight: 800; font-size: .88rem; }
.method { border-top: 1px solid var(--line); background: var(--white); }
.method-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 3rem; align-items: start; }
.method p { margin: 0 0 1rem; color: var(--muted); }
.method ul { margin: 0; padding-left: 1.3rem; }
.method li { margin-bottom: .6rem; }
.method .contact-note { margin: 1.5rem 0 0; }
.site-footer { border-top: 1px solid var(--line); padding: 2rem 0; background: #eaf0f3; color: var(--muted); font-size: .85rem; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .8rem 2rem; }
.footer-inner p { margin: 0; }
.article-wrap { display: grid; grid-template-columns: minmax(0, 740px) minmax(0, 220px); gap: 3rem; align-items: start; padding-block: 3rem 6rem; }
.article { min-width: 0; background: var(--white); border: 1px solid var(--line); border-radius: 18px; padding: clamp(1.4rem, 4vw, 3.5rem); box-shadow: 0 8px 35px #1838490a; }
.article .crumb { font-size: .82rem; margin: 0 0 2rem; color: var(--muted); }
.article h1 { font-size: clamp(2rem, 4vw, 3.15rem); line-height: 1.3; letter-spacing: -.04em; margin: 0 0 1rem; }
.article h1.title-slim { font-size: clamp(1.9rem, 3.4vw, 2.65rem); }
.article .lede { font-size: 1.08rem; color: #355062; margin: 0 0 2rem; }
.article .updated { font-size: .82rem; color: var(--muted); margin: 0 0 .6rem; }
.article h2 { font-size: 1.45rem; line-height: 1.4; border-top: 1px solid var(--line); padding-top: 1.8rem; margin: 2.5rem 0 .7rem; }
.article p { margin: 0 0 1.2rem; }
.article ul { padding-left: 1.5rem; }
.article li { margin-bottom: .5rem; }
.article-note { padding: .85rem 1rem; border-radius: 8px; background: #f5f8f8; border-left: 2px solid var(--line); margin: 1rem 0 1.5rem; color: var(--muted); font-size: .9rem; line-height: 1.6; }
.article-visual { margin: 1.5rem 0 2rem; }
.article-visual img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 12px; background: #e7f5f6; }
.article-visual figcaption { margin-top: .5rem; color: var(--muted); font-size: .84rem; line-height: 1.65; }
.ad-disclosure { display: inline-block; padding: .2rem .65rem; border: 1px solid #d2a947; border-radius: 6px; background: #fff2ce; color: #493500; font-size: .8rem; font-weight: 800; line-height: 1.6; }
.article p.ad-disclosure { margin: 0 0 1rem; }
.affiliate-cta { padding: 1.3rem; border: 1px solid var(--line); border-radius: 14px; background: #f5faf9; margin: 1.5rem 0; }
.affiliate-cta p { margin: .6rem 0 1rem; }
.affiliate-cta a { display: inline-block; padding: .7rem 1rem; border-radius: 10px; color: var(--white); background: var(--brand); font-weight: 800; text-decoration: none; }
.affiliate-cta a:hover { color: var(--white); background: var(--brand-dark); }
.sources { margin: 0 0 .5rem; }
.source-date { color: var(--muted); font-size: .86rem; }
.decision-panel { padding: 1.4rem; border: 1px solid var(--line); border-radius: 14px; background: #f5faf9; margin: 1.2rem 0 1.6rem; }
.decision-panel h2, .decision-panel h3 { margin: 0 0 .8rem; font-size: 1.12rem; line-height: 1.5; }
.decision-panel h2 { border-top: 0; padding-top: 0; }
.decision-panel dl { margin: 0; }
.decision-panel dt { font-weight: 800; margin-top: 1rem; }
.decision-panel dt:first-child { margin-top: 0; }
.decision-panel dd { margin: .25rem 0 0; color: var(--muted); }
.service-cta { padding: 1.4rem; border: 1px solid var(--line); border-radius: 14px; background: #e9f4f6; margin: 1.5rem 0; }
.service-cta h3 { margin: 0 0 .8rem; font-size: 1.12rem; line-height: 1.5; }
.service-cta p { margin: 0 0 .8rem; }
.service-cta a { display: inline-block; padding: .7rem 1rem; border-radius: 10px; color: var(--white); background: var(--brand); font-weight: 800; text-decoration: none; }
.service-cta a:hover { color: var(--white); background: var(--brand-dark); }
.official-link { display: flex; flex-direction: column; align-items: flex-start; gap: .35rem; margin: 1.5rem 0; }
.official-link a { display: inline-block; padding: .7rem 1rem; border-radius: 10px; color: var(--white); background: var(--brand); font-weight: 800; text-decoration: none; }
.official-link a:hover { color: var(--white); background: var(--brand-dark); }
.official-link span { font-size: .82rem; color: var(--muted); }
.table-scroll { overflow-x: auto; margin: 1.5rem 0; }
.table-scroll:focus-visible { outline: 3px solid #e6a400; outline-offset: 3px; }
.table-hint { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.request-template { white-space: pre-wrap; overflow-wrap: anywhere; padding: 1.2rem; border: 1px solid var(--line); border-radius: 12px; background: #f5faf9; color: var(--ink); font: inherit; line-height: 1.85; }
table { border-collapse: collapse; width: 100%; min-width: 470px; font-size: .92rem; }
th, td { text-align: left; padding: .7rem .8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #eef5f6; font-weight: 800; white-space: nowrap; }
.article .table-scroll :is(th, td):first-child { min-width: 7.5rem; }
td.num, th.num { text-align: right; white-space: nowrap; }
.side { position: sticky; top: 2rem; padding: 1.4rem; border: 1px solid var(--line); border-radius: 14px; background: var(--white); font-size: .86rem; }
.side strong { display: block; margin-bottom: .7rem; }
.side a { display: block; padding: .3rem 0; text-decoration: none; }
.side a:hover { text-decoration: underline; }
.next-read { margin-top: 2.5rem; padding: 1.4rem; background: #f2f7f8; border-radius: 12px; }
.next-read strong { display: block; margin-bottom: .3rem; }
@media (max-width: 760px) {
  .mobile-line { display: block; }
  .article .table-hint { position: static; width: auto; height: auto; margin: 0 0 .45rem; padding: 0; overflow: visible; clip-path: none; white-space: normal; color: var(--muted); font-size: .78rem; line-height: 1.65; }
  .table-scroll > .table-hint { position: sticky; left: 0; width: max-content; max-width: 100%; }
  .header-inner { min-height: 68px; }
  .hero-grid, .method-grid, .article-wrap, .focus-list { grid-template-columns: 1fr; }
  .cluster-entry { grid-template-columns: 1fr; }
  .cluster-entry-card { min-height: 0; }
  .focus-list { gap: 1rem; padding: 1.3rem; }
  .hero-note { max-width: 24rem; }
  .section-head { display: block; }
  .section-head p { margin-top: .5rem; }
  .cards { grid-template-columns: 1fr; }
  .topic-heading { display: block; }
  .article-wrap { gap: 1.2rem; padding-top: 1.2rem; }
  .side { position: static; }
  .side a { display: inline-block; margin-right: .8rem; }
}
@media (max-width: 470px) {
  .header-inner { align-items: flex-start; flex-direction: column; gap: .4rem; padding-block: .8rem; }
  .site-nav { gap: .9rem; }
  .site-nav a { font-size: .85rem; }
  .hero { padding-top: 2.5rem; }
  .hero-note { padding: 1.25rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card:hover { transform: none; transition: none; }
}

/* Editorial refresh: an independent field notebook for practical work. */
:root {
  --ink: #172b2d;
  --muted: #506362;
  --line: #c9cec4;
  --paper: #f3f1e8;
  --white: #fffefb;
  --brand: #0b5b58;
  --brand-dark: #073f3d;
  --accent: #e6eee8;
  --rust: #c85f3d;
  --rust-dark: #9b4129;
  --serif: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", Georgia, serif;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;
  line-height: 1.82;
  text-rendering: optimizeLegibility;
}
a { text-decoration-thickness: .07em; text-underline-offset: .19em; }
a:focus-visible, button:focus-visible { outline-color: var(--rust); }
.shell { width: min(100% - 3rem, 1180px); }
.site-header { background: #fbfaf5; border-bottom-color: var(--ink); }
.header-inner { min-height: 78px; }
.brand { letter-spacing: .035em; }
.brand-mark { width: 35px; height: 35px; border-radius: 0; font: 700 1.1rem/1 Georgia, serif; }
.site-nav { gap: 1.6rem; }
.site-nav a { font-size: .82rem; letter-spacing: .055em; }
.eyebrow { color: var(--brand); font-size: .71rem; letter-spacing: .18em; }

.hero { padding: clamp(3rem, 6vw, 5.5rem) 0 clamp(2.8rem, 5vw, 4.5rem); border-bottom-color: #8a9993; background: #fbfaf5; }
.hero-grid { grid-template-columns: minmax(0, 1.2fr) minmax(265px, .8fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.hero h1 { max-width: 13em; margin-bottom: 1.35rem; font: 700 clamp(2.4rem, 5.2vw, 4.5rem)/1.28 var(--serif); letter-spacing: -.055em; }
.hero h1.guide-title { font-size: clamp(2.1rem, 4vw, 3.45rem); }
.hero p:not(.eyebrow) { max-width: 42em; color: var(--muted); font-size: 1.02rem; line-height: 1.9; }
.hero p strong { color: var(--ink); }
.hero h1 em { color: var(--rust-dark); font-style: normal; white-space: nowrap; }
.hero-jump { display: inline-flex; align-items: center; gap: 1rem; margin-top: 1.6rem; padding: .65rem 0 .4rem; border-bottom: 2px solid var(--brand); color: var(--brand); font-size: .86rem; font-weight: 800; text-decoration: none; }
.hero-jump:hover { border-bottom-color: var(--rust); color: var(--rust-dark); }
.hero-jump span { font-size: 1.2rem; line-height: 1; }
.hero-note { padding: 1.65rem 1.8rem; border-top: 4px solid var(--rust); border-radius: 0; box-shadow: none; }
.hero-note p { color: #e3ece8 !important; font-size: .9rem !important; }
.hero-note a:hover { color: #ffd8c5; }
.hero-note .number { color: #f3aa8f; font-family: Georgia, serif; }
.home-page .hero { position: relative; overflow: hidden; }
.home-page .hero::after { content: ""; position: absolute; inset: auto 0 0; height: 4px; background: linear-gradient(90deg, var(--brand) 0 72%, var(--rust) 72% 100%); }
.hero-graphic { position: relative; display: grid; place-items: center; min-height: 360px; padding: 2rem; overflow: hidden; background: var(--ink); isolation: isolate; }
.hero-graphic::before { content: ""; position: absolute; inset: 1rem; border: 1px solid #ffffff3d; pointer-events: none; }
.hero-graphic::after { content: "NW / 01"; position: absolute; left: 1.8rem; bottom: 1.55rem; color: #c7d7cf; font: 700 .62rem/1 sans-serif; letter-spacing: .25em; }
.ledger-sheet { position: relative; width: min(100%, 300px); min-height: 296px; padding: 1.3rem 1.4rem; background: #fbfaf5; color: var(--ink); border: 1px solid #c5c3b9; box-shadow: 14px 14px 0 #46635f; transform: rotate(-5deg); }
.ledger-top { display: flex; align-items: baseline; justify-content: space-between; gap: .4rem; padding-bottom: .75rem; border-bottom: 2px solid var(--ink); color: var(--ink); font-size: .7rem; font-weight: 800; letter-spacing: .1em; }
.ledger-top strong { font: 700 1.1rem/1.4 var(--serif); letter-spacing: -.02em; }
.ledger-title { padding: .9rem 0 .8rem; font: 700 1.7rem/1.35 var(--serif); letter-spacing: -.06em; }
.ledger-row { display: grid; grid-template-columns: 1.5rem minmax(0, 1fr) auto; gap: .45rem; align-items: baseline; padding: .7rem 0; border-bottom: 1px solid #bfc8bd; color: var(--muted); font-size: .72rem; line-height: 1.35; }
.ledger-row span:first-child { color: var(--rust-dark); font-family: Georgia, serif; font-weight: 700; }
.ledger-row span:nth-child(2) { color: var(--ink); font-weight: 700; }
.ledger-row b { color: var(--brand); font: 700 .55rem/1.3 Georgia, serif; letter-spacing: .04em; }
.ledger-stamp { position: absolute; right: -.8rem; bottom: -.8rem; display: grid; place-items: center; width: 62px; height: 62px; border: 2px solid var(--rust); border-radius: 50%; background: #fbfaf5; color: var(--rust-dark); font-size: .68rem; font-weight: 800; letter-spacing: .1em; line-height: 1.3; text-align: center; transform: rotate(14deg); }
.ledger-stamp span { margin-left: .05em; }

.section { padding-block: clamp(3rem, 5vw, 4.5rem) clamp(4rem, 7vw, 6.5rem); }
.section-head { margin-bottom: 2rem; padding-bottom: 1.1rem; border-bottom: 1px solid var(--ink); }
.section h2 { font: 700 clamp(1.8rem, 3vw, 2.45rem)/1.35 var(--serif); letter-spacing: -.035em; }
.section-head p:not(.eyebrow) { font-size: .88rem; }
.cluster-entry { gap: 1.4rem; margin-bottom: 1.5rem; }
.cluster-entry-card { min-height: 175px; padding: 1rem .3rem 1.15rem; border: 0; border-top: 3px solid var(--brand); border-bottom: 1px solid #8a9993; border-radius: 0; background: transparent; box-shadow: none; }
.cluster-entry-card:hover { border-top-color: var(--rust); background: #e8eee7; }
.cluster-entry-number { color: var(--rust-dark); font-family: Georgia, serif; letter-spacing: .15em; }
.cluster-entry-card strong, .cluster-entry-card h3 { margin: .3rem 0 .25rem; font: 700 clamp(1.25rem, 2vw, 1.55rem)/1.4 var(--serif); letter-spacing: -.035em; }
.cluster-entry-description { font-size: .83rem; }
.cluster-entry-action { padding-top: .65rem; font-size: .78rem; }
.quick-links { display: flex; align-items: baseline; flex-wrap: wrap; gap: .4rem 1.3rem; margin: 0 0 3rem; padding: .85rem 0 1rem; border-bottom: 1px solid var(--line); font-size: .82rem; }
.quick-links strong { margin-right: .25rem; color: var(--ink); font-size: .78rem; letter-spacing: .06em; }
.quick-links a { font-weight: 700; text-decoration: none; border-bottom: 1px solid currentColor; }
.quick-links a:hover { color: var(--rust-dark); }
.article-search { margin: 0 0 2rem; padding: 1.6rem 1.7rem 1.45rem; border-top: 3px solid var(--ink); background: #e7ece4; scroll-margin-top: 1rem; }
.article-search[hidden], .search-results[hidden], .search-empty[hidden], .search-more[hidden], .search-input-row button[hidden] { display: none; }
.article-search-intro { display: flex; align-items: end; justify-content: space-between; gap: 1rem 2rem; margin-bottom: 1.1rem; }
.article-search-intro .eyebrow { margin-bottom: .25rem; }
.article-search-intro h3 { margin: 0; font: 700 1.5rem/1.4 var(--serif); letter-spacing: -.025em; }
.article-search-intro > p { max-width: 26em; margin: 0; color: var(--muted); font-size: .83rem; }
.search-controls { display: grid; grid-template-columns: minmax(0, 1fr) minmax(160px, 220px); gap: .75rem 1rem; align-items: end; }
.search-controls label { display: block; margin-bottom: .25rem; color: var(--ink); font-size: .78rem; font-weight: 800; }
.search-input-row { display: flex; gap: .45rem; }
.search-controls input, .search-controls select { width: 100%; min-height: 46px; padding: .55rem .7rem; border: 1px solid #879b91; border-radius: 0; background: var(--white); color: var(--ink); font: inherit; font-size: .92rem; }
.search-controls input::placeholder { color: #657874; opacity: 1; }
.search-input-row button, .search-more { flex: none; min-height: 46px; padding: .5rem .8rem; border: 1px solid var(--brand); border-radius: 0; background: var(--white); color: var(--brand); font: inherit; font-size: .82rem; font-weight: 800; cursor: pointer; }
.search-input-row button:hover, .search-more:hover { background: var(--brand); color: var(--white); }
.search-help { margin: .55rem 0 0; color: var(--muted); font-size: .76rem; }
.search-status { margin: 1.15rem 0 .5rem; color: var(--ink); font-size: .83rem; font-weight: 800; }
.search-results { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1.5rem; margin: .2rem 0 0; padding: 0; list-style: none; }
.search-results li { min-width: 0; border-top: 1px solid #9eaca1; }
.search-results a { position: relative; display: flex; flex-direction: column; min-height: 139px; padding: .85rem 1.6rem .9rem .15rem; color: var(--ink); text-decoration: none; }
.search-results a:hover { background: #dce6db; }
.search-result-meta { display: flex; align-items: center; flex-wrap: wrap; gap: .3rem .5rem; margin-bottom: .3rem; color: var(--brand); font-size: .69rem; font-weight: 800; }
.search-result-disclosure { padding: .02rem .35rem; border: 1px solid #b58434; background: #fff0ce; color: #5d3c08; font-size: .65rem; }
.search-result-title { display: block; font: 700 1rem/1.5 var(--serif); }
.search-result-description { display: block; margin-top: .28rem; color: var(--muted); font-size: .77rem; line-height: 1.55; }
.search-result-arrow { position: absolute; top: .9rem; right: .2rem; color: var(--rust-dark); font-size: 1.15rem; line-height: 1; }
.search-empty { margin: .4rem 0 0; padding: 1rem; border-left: 3px solid var(--rust); background: var(--paper-light, #fbfaf5); color: var(--muted); font-size: .85rem; }
.search-more { margin-top: .8rem; }
.search-noscript { margin: 0 0 2rem; padding: .8rem 1rem; border-left: 2px solid var(--brand); color: var(--muted); font-size: .84rem; }
.topic-nav { gap: .45rem 1.2rem; margin-bottom: 2.8rem; padding: .85rem 0 1rem; border: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; font-size: .82rem; }
.topic-nav strong { font-size: .78rem; letter-spacing: .06em; }
.topic-nav a { padding: 0; border: 0; border-bottom: 1px solid currentColor; border-radius: 0; background: transparent; font-size: .81rem; }
.topic-nav a:hover { border-color: currentColor; background: transparent; color: var(--rust-dark); }
.focus-list { gap: 2rem; margin-bottom: 3rem; padding: 2rem; border: 0; border-left: 4px solid var(--rust); border-radius: 0; background: var(--accent); }
.focus-list-intro h3, .focus-list-intro h4 { margin: 0 0 .45rem; font: 700 1.45rem/1.45 var(--serif); }
.focus-list-intro p:last-child { font-size: .87rem; }
.focus-links { gap: .2rem; }
.focus-links a { padding: .8rem .3rem; border: 0; border-bottom: 1px solid #8a9993; border-radius: 0; background: transparent; }
.focus-links a:first-child { border-top: 1px solid #8a9993; }
.focus-links a:hover { background: #dce8df; }
.focus-links a span:first-child { font-size: .7rem; }
.focus-links a span:last-child { color: var(--rust-dark); }
.cluster-section + .cluster-section { margin-top: 4.5rem; padding-top: 3.4rem; border-top-color: var(--ink); }
.cluster-heading { gap: 1rem; margin-bottom: 1.8rem; }
.cluster-heading .cluster-number { min-width: 2rem; color: var(--rust-dark); font: 700 1.3rem/1.3 Georgia, serif; }
.cluster-heading strong, .cluster-heading h3 { display: block; margin: 0; font: 700 clamp(1.65rem, 2.8vw, 2.1rem)/1.35 var(--serif); letter-spacing: -.04em; }
.cluster-heading p { font-size: .89rem; }
.topic-group + .topic-group { margin-top: 3.5rem; }
.topic-heading { margin-bottom: .65rem; }
.topic-heading h2, .topic-heading h3, .topic-heading h4 { margin: 0; font: 700 clamp(1.25rem, 2.3vw, 1.52rem)/1.45 var(--serif); letter-spacing: -.025em; }
.topic-heading p { font-size: .82rem; }
.cards { gap: 0 2.2rem; }
.card { min-height: 220px; padding: 1.1rem .2rem 1.35rem; border: 0; border-top: 1px solid #8a9993; border-radius: 0; background: transparent; box-shadow: none; }
.card:hover { border-top-color: var(--brand); background: #e9eee7; transform: none; transition: background-color .18s ease; }
.card .tag { margin-bottom: .35rem; font-size: .74rem; }
.card .card-disclosure { margin-bottom: .5rem; padding: .08rem .42rem; border-color: #b58434; border-radius: 0; background: #fff0ce; color: #5d3c08; font-size: .71rem; }
.card h3, .card h4, .card h5 { margin: 0 0 .52rem; font: 700 1.2rem/1.5 var(--serif); letter-spacing: -.018em; }
.card p { margin-bottom: 1rem; font-size: .85rem; line-height: 1.65; }
.card .read { font-size: .79rem; }

.method { border-top-color: var(--ink); background: #e7eae1; }
.site-footer { border-top-color: var(--ink); background: var(--ink); color: #d0ddd6; font-size: .81rem; }
.site-footer a { color: #fffdf6; }
.site-footer a:hover { color: #f3ab91; }
.article-wrap { grid-template-columns: minmax(0, 750px) minmax(0, 220px); gap: clamp(2rem, 4vw, 3.4rem); padding-block: clamp(1.7rem, 4vw, 3.5rem) 6rem; }
.article { border-top: 4px solid var(--brand); border-radius: 0; padding: clamp(1.5rem, 4.2vw, 3.7rem); box-shadow: none; }
.article .crumb { margin-bottom: 2.5rem; font-size: .78rem; }
.article h1 { margin-bottom: 1.25rem; font: 700 clamp(2rem, 4vw, 3.25rem)/1.34 var(--serif); letter-spacing: -.045em; }
.article h1.title-slim { font-size: clamp(1.9rem, 3.4vw, 2.75rem); }
.article .lede { margin-bottom: 2rem; padding-left: 1rem; border-left: 3px solid var(--rust); color: #304749; font-size: 1.05rem; line-height: 1.9; }
.article .updated { margin-bottom: .85rem; font-size: .79rem; letter-spacing: .03em; }
.article h2 { margin: 3rem 0 .9rem; padding-top: 1.5rem; border-top-color: #8a9993; font: 700 clamp(1.35rem, 2.3vw, 1.65rem)/1.45 var(--serif); letter-spacing: -.025em; }
.article-visual { margin: 1.8rem 0 2.3rem; }
.article-visual img { border-radius: 0; background: var(--paper); }
.article-visual figcaption { font-size: .79rem; }
.article-note { margin: 1rem 0 1.7rem; padding: .9rem 1rem; border-left-color: #8a9993; border-radius: 0; background: #f2f4ee; font-size: .88rem; line-height: 1.7; }
.ad-disclosure { padding: .1rem .5rem; border-color: #b58434; border-radius: 0; background: #fff0ce; color: #5d3c08; font-size: .76rem; }
.affiliate-cta, .service-cta { margin: 2rem 0; padding: 1.45rem; border: 0; border-top: 3px solid var(--brand); border-radius: 0; background: var(--accent); }
.affiliate-cta { border-top-color: var(--rust); }
.affiliate-cta a, .service-cta a, .official-link a { border-radius: 0; font-size: .9rem; }
.decision-panel { margin: 1.5rem 0 1.8rem; padding: 1.45rem; border: 0; border-left: 3px solid var(--brand); border-radius: 0; background: #eef2eb; }
.decision-panel h2, .decision-panel h3 { margin: 0 0 .8rem; padding: 0; border: 0; font: 700 1.18rem/1.5 var(--serif); }
.request-template { border-radius: 0; background: #f2f4ee; }
.table-scroll { border-top: 1px solid var(--ink); }
.table-scroll:focus-visible { outline-color: var(--rust); }
th { background: #e8eee7; }
tbody tr:nth-child(even) { background: #f7f8f3; }
.side { padding: 1rem 0 0; border: 0; border-top: 2px solid var(--ink); border-radius: 0; background: transparent; }
.side strong { font: 700 1rem/1.5 var(--serif); }
.side a { padding: .42rem 0; border-bottom: 1px solid var(--line); }
.side a:hover { color: var(--rust-dark); }
.next-read { margin-top: 2.8rem; padding: 1.3rem 1.4rem; border-top: 2px solid var(--brand); border-radius: 0; background: #edf2eb; }

@media (max-width: 900px) {
  .hero-grid { gap: 2rem; }
  .article-wrap { grid-template-columns: minmax(0, 1fr) 185px; gap: 1.6rem; }
  .article { padding: 2.3rem; }
  .topic-heading { display: block; }
  .topic-heading p { margin-top: .25rem; }
  .article-search-intro { display: block; }
  .article-search-intro > p { margin-top: .3rem; }
}
@media (max-width: 760px) {
  .hero-grid, .article-wrap { grid-template-columns: 1fr; }
  .hero { padding-block: 2.7rem 3rem; }
  .hero h1 { font-size: clamp(2.25rem, 7vw, 3.5rem); }
  .home-page .hero-graphic { display: none; }
  .hero-note { max-width: 30rem; }
  .cluster-entry { gap: .75rem; }
  .focus-list { gap: 1rem; padding: 1.4rem; }
  .article-wrap { gap: 2rem; padding-top: 1.3rem; }
}
@media (max-width: 600px) {
  .shell { width: min(100% - 2rem, 1180px); }
  .article-search { padding: 1.2rem 1rem; }
  .article-search-intro h3 { font-size: 1.35rem; }
  .search-controls, .search-results { grid-template-columns: 1fr; }
  .search-results a { min-height: 0; }
  .cluster-entry, .cards { grid-template-columns: 1fr; }
  .cluster-entry-card { min-height: 0; padding: .7rem .1rem .85rem; }
  .cluster-entry-card strong, .cluster-entry-card h3 { margin: .1rem 0; font-size: 1.25rem; }
  .cluster-entry-action { padding-top: .25rem; }
  .quick-links, .topic-nav { gap: .35rem .9rem; margin-bottom: 2.2rem; }
  .quick-links strong, .topic-nav strong { flex-basis: 100%; }
  .card { min-height: 0; padding: 1rem .1rem 1.25rem; }
  .article { padding: 1.5rem 1.1rem; }
  .article .crumb { margin-bottom: 1.7rem; }
  .article h1 { font-size: 1.9rem; }
  .article h1.title-slim { font-size: 1.85rem; }
}
@media (max-width: 470px) {
  .header-inner { padding-block: .7rem; }
  .site-nav { gap: 1.2rem; }
  .site-nav a { font-size: .8rem; }
  .hero { padding-block: 2.2rem 2.5rem; }
  .home-page .hero h1 { font-size: 2.15rem; line-height: 1.32; }
  .home-page .hero p:not(.eyebrow) { font-size: .9rem; line-height: 1.7; }
  .section { padding-top: 2rem; }
  .section-head { margin-bottom: 1.2rem; }
  .section h2 { font-size: 1.65rem; }
  .hero-note { padding: 1.3rem; }
  .focus-list { padding: 1.15rem; }
  .cluster-section + .cluster-section { margin-top: 3.3rem; padding-top: 2.6rem; }
}
@media (max-width: 360px) {
  .home-page .hero h1 { font-size: 2.05rem; }
}
@media (prefers-reduced-motion: reduce) {
  .card:hover { transition: none; }
}