:root {
  color-scheme: light;
  --ink: #192523;
  --muted: #53615e;
  --accent: #245b4b;
  --line: #dde4e1;
  --mint: #e8f1eb;
  --rose: #f8eae7;
  --blue: #e7f0f6;
  --paper: #fff;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  letter-spacing: 0;
}
* { box-sizing: border-box; }
body { margin: 0; font-size: 16px; line-height: 1.65; }
img { max-width: 100%; }
a { color: inherit; text-underline-offset: 4px; }
a:focus-visible { outline: 3px solid #a73c2c; outline-offset: 5px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.18; text-wrap: balance; }
h1 { font-size: 50px; }
h2 { font-size: 30px; }
h3 { font-size: 22px; }
p { margin-bottom: 20px; }
.container { width: min(1160px, calc(100% - 96px)); margin-inline: auto; }
.icon { width: 20px; height: 20px; flex: 0 0 20px; vertical-align: middle; }
.skip-link { position: absolute; top: -80px; left: 20px; z-index: 10; padding: 12px; background: white; }
.skip-link:focus { top: 10px; }
.site-header { border-bottom: 1px solid var(--line); background: #fff; }
.header-inner { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.wordmark { display: inline-flex; align-items: center; font-weight: 700; font-size: 21px; text-decoration: none; line-height: 1.3; white-space: nowrap; }
.wordmark > img { margin-right: 10px; }
.brand-dot { color: #a84637; }
.site-header nav, .footer-inner nav { display: flex; align-items: center; gap: 32px; }
.site-header nav a { display: inline-flex; gap: 6px; align-items: center; min-height: 44px; text-decoration: none; font-size: 14px; }
.site-header nav a[aria-current] { text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 8px; font-weight: 700; }
.site-header nav a:hover, .footer-inner a:hover { color: var(--accent); text-decoration: underline; }
.hero { position: relative; isolation: isolate; overflow: hidden; background: #eff2f1; }
.hero-image { position: absolute; z-index: -1; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 58%; }
.hero-inner { min-height: 464px; display: flex; align-items: center; padding-block: 64px; }
.hero-copy { max-width: 670px; }
.eyebrow { margin-bottom: 16px; font-size: 12px; font-weight: 700; text-transform: uppercase; color: var(--accent); }
.hero h1 { margin-bottom: 22px; font-size: 54px; overflow-wrap: anywhere; }
.hero-description { max-width: 390px; font-size: 18px; color: #3a4945; margin-bottom: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 50px; padding: 12px 22px; font-weight: 700; font-size: 14px; border-radius: 4px; background: var(--ink); color: white; text-decoration: none; transition: background .15s; }
.button .icon { filter: invert(1); }
.button:hover { background: var(--accent); }
.topics { padding-block: 54px 64px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.section-heading .eyebrow { margin-bottom: 10px; }
.section-heading h2 { margin-bottom: 0; font-size: 28px; }
.text-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 14px; font-weight: 700; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.topic-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.topic { display: flex; flex-direction: column; padding: 26px; border: 1px solid var(--line); border-radius: 6px; text-decoration: none; transition: border-color .15s, background .15s; }
.topic:hover { border-color: #769689; background: #f8faf9; }
.topic-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.topic-icon { width: 44px; height: 44px; flex: 0 0 44px; display: inline-flex; align-items: center; justify-content: center; border-radius: 6px; }
.mint { background: var(--mint); }
.rose { background: var(--rose); }
.blue { background: var(--blue); }
.topic-number { color: #6e7b76; font-size: 12px; }
.topic h3 { margin-bottom: 12px; font-size: 21px; }
.topic p { font-size: 15px; color: var(--muted); margin-bottom: 26px; }
.topic-bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; font-size: 13px; font-weight: 700; }
.closing-band { background: #edf3ef; border-block: 1px solid #e3ebe5; }
.closing-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding-block: 36px; }
.closing-inner p { margin: 0; font-size: 18px; line-height: 1.65; }
.closing-inner strong { font-weight: 400; color: var(--muted); }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 24px; font-size: 13px; color: var(--muted); }
.footer-inner a { text-decoration: none; padding-block: 10px; }
.guide-intro { background: #f1f5f2; padding-block: 36px 46px; border-bottom: 1px solid var(--line); }
.back-link { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; text-decoration: none; min-height: 44px; margin-bottom: 26px; }
.back-link:hover { text-decoration: underline; }
.guide-intro h1 { font-size: 44px; margin-bottom: 18px; max-width: 800px; }
.guide-intro p:last-child { color: var(--muted); margin: 0; font-size: 18px; }
.guide-layout { display: grid; grid-template-columns: 240px minmax(0, 720px); gap: 72px; padding-block: 60px 72px; }
.contents nav { position: sticky; top: 32px; }
.contents .eyebrow { margin-bottom: 20px; }
.contents a { display: flex; align-items: center; gap: 14px; padding: 12px 0; font-size: 14px; text-decoration: none; border-bottom: 1px solid var(--line); }
.contents a:hover { color: var(--accent); text-decoration: underline; }
.contents a span { font-size: 12px; color: #687a70; }
.article-section { scroll-margin-top: 28px; padding-bottom: 40px; margin-bottom: 44px; border-bottom: 1px solid var(--line); }
.article-kicker { display: flex; align-items: center; gap: 14px; font-size: 12px; font-weight: 700; color: var(--muted); margin-bottom: 22px; }
.article-section h2 { font-size: 30px; max-width: 640px; margin-bottom: 24px; }
.article-section > p { color: #45534f; }
code { background: #f0f3f1; padding: 2px 5px; border-radius: 3px; font-size: 14px; overflow-wrap: anywhere; }
.takeaway { border-left: 3px solid #7d9d8a; padding: 2px 0 2px 22px; margin-block: 28px; }
.takeaway strong { font-size: 14px; }
.takeaway p { color: var(--muted); margin: 8px 0 0; }
.article-section .further-reading { font-size: 13px; margin-bottom: 0; }
.further-reading a { color: var(--accent); }
.further-reading .icon { width: 15px; height: 15px; }
.mail-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); padding: 22px 0; margin-block: 26px; list-style-position: inside; border-block: 1px solid var(--line); gap: 24px; }
.mail-steps li { font-size: 14px; }
.mail-steps strong { margin-left: 4px; }
.mail-steps span { display: block; color: var(--muted); font-size: 13px; margin-top: 8px; }
.privacy-section h3 { font-size: 19px; margin-top: 28px; }
.guide-end { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.guide-end p { font-size: 16px; margin: 0; }
@media (min-width: 1800px) { .hero-image { object-position: center 56%; } .hero-inner { min-height: 500px; } }
@media (max-width: 1100px) {
  .container { width: calc(100% - 64px); }
  .hero h1 { font-size: 46px; }
  .guide-layout { grid-template-columns: 200px minmax(0, 1fr); gap: 40px; }
  .topic { padding: 22px; }
}
@media (max-width: 760px) {
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 78px; gap: 14px; }
  .wordmark { font-size: 18px; }
  .wordmark > img { width: 22px; height: 22px; margin-right: 7px; }
  .site-header nav { gap: 18px; }
  .site-header nav a { font-size: 13px; }
  .hero-inner { min-height: 440px; align-items: start; padding-block: 48px 120px; }
  .hero-image { object-position: 72% center; opacity: .65; }
  .hero h1 { font-size: 38px; }
  .hero-description { font-size: 16px; max-width: 330px; }
  .section-heading { align-items: start; flex-direction: column; gap: 12px; margin-bottom: 20px; }
  .section-heading h2 { font-size: 26px; }
  .topics { padding-block: 36px 40px; }
  .topic-grid { grid-template-columns: 1fr; gap: 16px; }
  .topic { padding: 24px; }
  .topic-top { margin-bottom: 20px; }
  .topic p { max-width: 480px; }
  .closing-inner { align-items: start; flex-direction: column; gap: 16px; }
  .closing-inner p { font-size: 16px; }
  .guide-intro { padding-block: 22px 34px; }
  .guide-intro h1 { font-size: 34px; }
  .guide-intro p:last-child { font-size: 16px; }
  .guide-layout { grid-template-columns: 1fr; gap: 36px; padding-block: 32px 44px; }
  .contents nav { position: static; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 20px; }
  .contents .eyebrow { grid-column: 1 / -1; margin-bottom: 8px; }
  .contents a { gap: 10px; font-size: 13px; }
  .article-section h2 { font-size: 28px; }
  .article-section { margin-bottom: 36px; padding-bottom: 32px; }
  .guide-end { flex-direction: column; align-items: start; gap: 20px; }
  .footer-inner { flex-wrap: wrap; padding-block: 22px; gap: 4px 24px; min-height: 100px; }
}
@media (max-width: 480px) {
  .header-inner { flex-wrap: wrap; padding-block: 15px 7px; gap: 3px; }
  .wordmark { flex-basis: 100%; }
  .site-header nav { width: 100%; justify-content: space-between; }
  .hero-inner { min-height: 400px; padding-block: 34px 70px; }
  .hero-image { object-position: 74% center; opacity: .5; }
  .hero h1 { font-size: 28px; }
  .hero-description { max-width: 290px; }
  .hero .eyebrow { font-size: 11px; }
  .guide-intro h1 { font-size: 30px; }
  .contents nav { grid-template-columns: 1fr; }
  .article-section h2 { font-size: 25px; }
  .mail-steps { grid-template-columns: 1fr; gap: 20px; }
  .mail-steps span { margin-top: 4px; }
  .footer-inner nav { gap: 24px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
@media print { .site-header, .site-footer, .contents, .back-link, .guide-end, .skip-link { display: none; } .container { width: 100%; } .guide-layout { display: block; padding: 0; } .guide-intro { background: white; } .article-section { break-inside: avoid; } }