@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;800&display=swap');

:root {
  --navy-950: #08172c;
  --navy-900: #0b1f3a;
  --navy-800: #142b4d;
  --navy-700: #244264;
  --ink: #152033;
  --muted: #667085;
  --muted-2: #8993a4;
  --line: #dce2ea;
  --line-strong: #c7d0dc;
  --paper: #ffffff;
  --cream: #fbf8f2;
  --cream-2: #fff8e6;
  --surface: #f5f7fa;
  --yellow: #ffb703;
  --yellow-soft: #fff1c7;
  --red: #b42318;
  --red-soft: #fff1f0;
  --green: #1f6b50;
  --shadow-sm: 0 8px 24px rgb(11 31 58 / 7%);
  --shadow-md: 0 18px 50px rgb(11 31 58 / 10%);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --container: 1180px;
  --header-height: 78px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", "Noto Sans CJK JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }
::selection { color: var(--navy-950); background: var(--yellow-soft); }

.skip-link {
  position: fixed;
  inset: 8px auto auto 8px;
  z-index: 2000;
  padding: 10px 14px;
  color: #fff;
  background: var(--navy-900);
  border-radius: 8px;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 88px 0; }
.section--surface { background: var(--surface); }
.section--cream { background: var(--cream); }

.draft-banner {
  position: sticky;
  top: 0;
  z-index: 1200;
  background: var(--yellow);
  color: var(--navy-950);
  border-bottom: 1px solid rgb(8 23 44 / 18%);
}
.draft-banner__inner {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .03em;
}
.draft-banner__label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  color: #fff;
  background: var(--navy-900);
  border-radius: 999px;
  white-space: nowrap;
}

.site-header {
  position: sticky;
  top: 42px;
  z-index: 1100;
  background: rgb(255 255 255 / 94%);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.site-header__inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; }
.brand__mark { width: 44px; height: 44px; }
.brand__name { display: block; color: var(--navy-950); font-size: 20px; font-weight: 800; letter-spacing: -.02em; line-height: 1.15; }
.brand__tagline { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; font-weight: 500; letter-spacing: .07em; }
.desktop-nav { display: flex; align-items: center; gap: 26px; }
.desktop-nav a { position: relative; color: var(--navy-800); font-size: 13px; font-weight: 700; white-space: nowrap; }
.desktop-nav a::after { content: ""; position: absolute; inset: auto 0 -10px; height: 2px; background: var(--yellow); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.desktop-nav a:hover::after { transform: scaleX(1); }
.header-utility { display: flex; align-items: center; gap: 10px; }
.draft-pill { padding: 7px 11px; color: var(--navy-950); background: var(--yellow-soft); border: 1px solid #f0cc63; border-radius: 999px; font-size: 11px; font-weight: 800; white-space: nowrap; }
.mobile-menu { display: none; position: relative; }
.mobile-menu summary { list-style: none; width: 44px; height: 44px; display: grid; place-items: center; cursor: pointer; border: 1px solid var(--line); border-radius: 50%; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu__icon, .mobile-menu__icon::before, .mobile-menu__icon::after { width: 19px; height: 2px; background: var(--navy-900); border-radius: 999px; }
.mobile-menu__icon { position: relative; }
.mobile-menu__icon::before, .mobile-menu__icon::after { content: ""; position: absolute; left: 0; }
.mobile-menu__icon::before { top: -6px; }
.mobile-menu__icon::after { top: 6px; }
.mobile-menu[open] .mobile-menu__panel { display: block; }
.mobile-menu__panel { display: none; position: fixed; inset: 120px 14px auto; padding: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.mobile-menu__panel a { display: flex; justify-content: space-between; padding: 14px 8px; border-bottom: 1px solid var(--line); font-weight: 700; }
.mobile-menu__panel a:last-child { border-bottom: 0; }

.eyebrow { margin: 0 0 16px; color: var(--navy-700); font-size: 12px; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 32px; }
.section-heading__group { max-width: 680px; }
.section-heading h2 { margin: 0; color: var(--navy-950); font-size: clamp(27px, 3vw, 40px); line-height: 1.3; letter-spacing: -.035em; }
.section-heading p { max-width: 42em; margin: 12px 0 0; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--navy-800); font-size: 13px; font-weight: 800; white-space: nowrap; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(115deg, #fff 0%, #fff 46%, #f7f9fc 100%);
  border-bottom: 1px solid var(--line);
}
.hero::before { content: ""; position: absolute; width: 420px; height: 420px; right: -190px; bottom: -235px; border: 1px solid #e6ebf1; border-radius: 50%; }
.hero__inner { min-height: 620px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(390px, .95fr); align-items: center; gap: 40px; padding-block: 82px 72px; }
.hero__copy { position: relative; z-index: 2; }
.hero h1 { max-width: 13ch; margin: 0; color: var(--navy-950); font-size: clamp(42px, 5vw, 68px); line-height: 1.28; letter-spacing: -.055em; }
.hero h1 .marker { position: relative; display: inline-block; z-index: 0; }
.hero h1 .marker::after { content: ""; position: absolute; z-index: -1; left: -2%; right: -2%; bottom: .12em; height: .24em; background: var(--yellow); opacity: .62; }
.hero__lead { max-width: 39em; margin: 24px 0 0; color: var(--navy-700); font-size: 17px; line-height: 2; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 0 20px; border: 1px solid transparent; border-radius: 999px; font-size: 14px; font-weight: 800; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button--primary { color: #fff; background: var(--navy-900); box-shadow: 0 10px 24px rgb(11 31 58 / 18%); }
.button--primary:hover { background: var(--navy-800); }
.button--secondary { color: var(--navy-900); background: #fff; border-color: var(--line-strong); }
.button--secondary:hover { box-shadow: var(--shadow-sm); }
.hero__art { position: relative; align-self: end; }
.hero__art img { width: 100%; filter: drop-shadow(0 20px 30px rgb(11 31 58 / 8%)); }
.hero__caption { position: absolute; right: 4%; bottom: 8%; display: inline-flex; align-items: center; gap: 8px; padding: 9px 12px; background: rgb(255 255 255 / 92%); border: 1px solid var(--line); border-radius: 999px; color: var(--navy-700); font-size: 11px; font-weight: 700; box-shadow: var(--shadow-sm); }
.hero__caption::before { content: ""; width: 8px; height: 8px; background: var(--yellow); border-radius: 50%; }

.trust-strip { border-bottom: 1px solid var(--line); background: #fff; }
.trust-strip__grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.trust-item { display: grid; grid-template-columns: 42px 1fr; gap: 14px; align-items: center; padding: 28px 26px; border-right: 1px solid var(--line); }
.trust-item:first-child { border-left: 1px solid var(--line); }
.trust-item__icon { width: 42px; height: 42px; display: grid; place-items: center; color: var(--navy-900); background: var(--cream-2); border-radius: 12px; font-weight: 900; }
.trust-item strong { display: block; color: var(--navy-950); font-size: 14px; }
.trust-item span { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; line-height: 1.55; }

.category-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.category-card { position: relative; min-height: 196px; padding: 24px 20px 20px; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.category-card:hover { transform: translateY(-4px); border-color: var(--navy-700); box-shadow: var(--shadow-sm); }
.category-card__icon { width: 50px; height: 50px; padding: 7px; background: var(--cream-2); border-radius: 14px; }
.category-card h3 { margin: 18px 0 0; color: var(--navy-950); font-size: 16px; line-height: 1.5; }
.category-card p { margin: 7px 0 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.category-card__count { position: absolute; top: 18px; right: 18px; color: var(--muted-2); font-size: 11px; font-weight: 700; }
.category-card__arrow { position: absolute; right: 18px; bottom: 16px; color: var(--navy-900); font-size: 18px; }

.article-groups { display: grid; gap: 68px; }
.article-group { scroll-margin-top: 150px; }
.article-group__head { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.article-group__icon { width: 42px; height: 42px; padding: 6px; background: var(--cream-2); border-radius: 12px; }
.article-group__head h2 { margin: 0; color: var(--navy-950); font-size: 24px; letter-spacing: -.025em; }
.article-group__head span { color: var(--muted); font-size: 12px; font-weight: 700; }
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.article-card { min-height: 258px; display: flex; flex-direction: column; padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.article-card:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: var(--shadow-md); }
.article-card--feature { grid-column: span 2; background: linear-gradient(135deg, #fff 0%, #fffaf0 100%); border-color: #eedda5; }
.article-card__top { min-height: 30px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.category-tag, .pr-badge, .status-badge { display: inline-flex; align-items: center; border-radius: 999px; font-size: 10px; font-weight: 800; line-height: 1; }
.category-tag { padding: 7px 9px; color: var(--navy-800); background: #eef3f8; }
.pr-badge { padding: 7px 8px; color: var(--red); background: var(--red-soft); border: 1px solid #f1b4af; letter-spacing: .04em; }
.status-badge { padding: 7px 9px; color: var(--navy-800); background: var(--cream-2); border: 1px solid #ead391; }
.article-card__number { color: #d6dde7; font-size: 34px; font-weight: 800; line-height: 1; }
.article-card h3 { margin: 22px 0 0; color: var(--navy-950); font-size: 19px; line-height: 1.65; letter-spacing: -.02em; }
.article-card--feature h3 { max-width: 24em; font-size: 25px; line-height: 1.55; }
.article-card p { margin: 10px 0 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.article-card__meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 22px; color: var(--muted); font-size: 11px; border-top: 1px solid var(--line); }
.article-card__meta strong { color: var(--navy-800); }

.operator-band { background: var(--navy-900); color: #fff; }
.operator-band__inner { min-height: 230px; display: grid; grid-template-columns: 1.3fr .7fr; align-items: center; gap: 60px; }
.operator-band h2 { margin: 0; font-size: clamp(28px, 4vw, 44px); letter-spacing: -.04em; }
.operator-band p { max-width: 46em; margin: 16px 0 0; color: #cbd6e5; font-size: 14px; }
.operator-band__panel { padding: 22px; background: rgb(255 255 255 / 7%); border: 1px solid rgb(255 255 255 / 22%); border-radius: var(--radius-md); }
.operator-band__panel strong { display: block; font-size: 14px; }
.operator-band__panel span { display: block; margin-top: 6px; color: #cbd6e5; font-size: 12px; }

.site-footer { padding: 44px 0 24px; background: var(--navy-950); color: #d9e1ec; }
.footer-grid { display: grid; grid-template-columns: 1.25fr repeat(3, .75fr); gap: 50px; }
.site-footer .brand__name { color: #fff; }
.site-footer .brand__tagline { color: #aab8ca; }
.footer-brand p { max-width: 28em; margin: 18px 0 0; color: #aab8ca; font-size: 12px; }
.footer-col h3 { margin: 0 0 12px; color: #fff; font-size: 13px; }
.footer-col a { display: block; padding: 4px 0; color: #aab8ca; font-size: 12px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 36px; padding-top: 18px; border-top: 1px solid rgb(255 255 255 / 12%); color: #8291a5; font-size: 10px; }

/* Article page */
.breadcrumb { padding: 18px 0; border-bottom: 1px solid var(--line); background: #fff; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px 10px; margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: 11px; }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 10px; color: var(--line-strong); }
.article-header { padding: 70px 0 46px; background: linear-gradient(180deg, #fff 0%, #fbfcfe 100%); border-bottom: 1px solid var(--line); }
.article-header__inner { max-width: 930px; }
.article-header__labels { display: flex; align-items: center; gap: 8px; margin-bottom: 18px; }
.article-header h1 { max-width: 25ch; margin: 0; color: var(--navy-950); font-size: clamp(34px, 5vw, 58px); line-height: 1.38; letter-spacing: -.045em; }
.article-lede { max-width: 40em; margin: 22px 0 0; color: var(--navy-700); font-size: 17px; line-height: 2; }
.article-meta { display: flex; flex-wrap: wrap; gap: 14px 22px; margin-top: 24px; color: var(--muted); font-size: 12px; }
.article-meta span { display: inline-flex; align-items: center; gap: 7px; }
.article-meta span::before { content: ""; width: 6px; height: 6px; background: var(--yellow); border-radius: 50%; }

.article-shell { padding: 54px 0 96px; background: #fff; }
.article-layout { display: grid; grid-template-columns: minmax(0, 760px) 290px; justify-content: space-between; gap: 64px; align-items: start; }
.article-main { min-width: 0; }
.article-sidebar { position: sticky; top: 148px; display: grid; gap: 16px; }
.sidebar-card { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; }
.sidebar-card h2 { margin: 0 0 12px; color: var(--navy-950); font-size: 14px; }
.sidebar-card ol, .sidebar-card ul { margin: 0; padding: 0; list-style: none; }
.sidebar-card li + li { border-top: 1px solid var(--line); }
.sidebar-card a { display: flex; gap: 8px; padding: 11px 0; color: var(--navy-700); font-size: 12px; font-weight: 600; line-height: 1.6; }
.sidebar-card a span { color: var(--muted-2); }
.sidebar-card p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.75; }
.sidebar-card--navy { color: #fff; background: var(--navy-900); border-color: var(--navy-900); }
.sidebar-card--navy h2 { color: #fff; }
.sidebar-card--navy p { color: #cbd6e5; }

.notice { margin-bottom: 22px; padding: 20px 22px; border-radius: var(--radius-md); }
.notice--pr { background: var(--red-soft); border: 1px solid #edb5b0; }
.notice--draft { background: var(--cream-2); border: 1px solid #ead391; }
.notice__head { display: flex; align-items: center; gap: 10px; color: var(--navy-950); font-size: 14px; font-weight: 800; }
.notice__head::before { content: "!"; width: 24px; height: 24px; display: grid; place-items: center; color: #fff; background: var(--red); border-radius: 50%; font-size: 13px; }
.notice--draft .notice__head::before { color: var(--navy-950); background: var(--yellow); }
.notice p { max-width: 42em; margin: 8px 0 0; color: var(--navy-700); font-size: 12px; line-height: 1.8; }

.policy-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin: 30px 0 44px; border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; }
.policy-item { min-height: 150px; padding: 20px; background: #fff; border-right: 1px solid var(--line); }
.policy-item:last-child { border-right: 0; }
.policy-item__num { color: var(--yellow); font-size: 20px; font-weight: 900; }
.policy-item strong { display: block; margin-top: 8px; color: var(--navy-950); font-size: 13px; }
.policy-item p { margin: 7px 0 0; color: var(--muted); font-size: 11px; line-height: 1.7; }

.toc-mobile { display: none; margin: 24px 0; border: 1px solid var(--line); border-radius: var(--radius-md); }
.toc-mobile summary { padding: 16px 18px; color: var(--navy-950); font-weight: 800; cursor: pointer; }
.toc-mobile ol { margin: 0; padding: 0 18px 16px 38px; }
.toc-mobile li { padding: 4px 0; color: var(--navy-700); font-size: 13px; }

.prose { color: var(--ink); }
.prose > p, .prose section > p { max-width: 40em; margin: 0 0 1.5em; line-height: 2; }
.prose h2 { scroll-margin-top: 150px; display: flex; align-items: center; gap: 12px; margin: 64px 0 22px; padding-bottom: 14px; color: var(--navy-950); font-size: 29px; line-height: 1.5; letter-spacing: -.035em; border-bottom: 2px solid var(--navy-900); }
.prose h2::before { content: ""; width: 8px; height: 29px; flex: 0 0 auto; background: var(--yellow); border-radius: 999px; }
.prose h3 { margin: 40px 0 15px; color: var(--navy-950); font-size: 21px; line-height: 1.55; letter-spacing: -.02em; }
.prose ul, .prose ol { max-width: 40em; padding-left: 1.4em; }
.prose li { margin: .65em 0; }
.prose strong { color: var(--navy-950); }
.lead-summary { margin: 0 0 38px; padding: 24px; background: var(--surface); border-left: 5px solid var(--navy-900); border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.lead-summary p { max-width: 40em; margin: 0; color: var(--navy-700); font-size: 14px; line-height: 1.9; }

.comparison-note { display: flex; align-items: center; gap: 9px; margin: 0 0 14px; color: var(--muted); font-size: 11px; }
.comparison-note::before { content: "i"; width: 19px; height: 19px; display: grid; place-items: center; color: #fff; background: var(--navy-700); border-radius: 50%; font-size: 11px; font-weight: 800; }
.comparison-table-wrap { overflow-x: auto; border: 1px solid var(--line-strong); border-radius: var(--radius-md); }
.comparison-table { width: 100%; min-width: 720px; border-collapse: collapse; table-layout: fixed; }
.comparison-table th, .comparison-table td { padding: 16px 14px; text-align: left; vertical-align: top; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 12px; line-height: 1.7; }
.comparison-table tr:last-child th, .comparison-table tr:last-child td { border-bottom: 0; }
.comparison-table th:last-child, .comparison-table td:last-child { border-right: 0; }
.comparison-table thead th { background: var(--surface); color: var(--navy-950); text-align: center; font-size: 13px; }
.comparison-table thead th:first-child { width: 155px; text-align: left; }
.comparison-table tbody th { width: 155px; color: var(--navy-800); background: #fbfcfe; font-weight: 800; }
.service-name { display: block; color: var(--navy-950); font-size: 15px; font-weight: 800; }
.service-domain { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; font-weight: 500; }
.equal-link { display: inline-flex; align-items: center; justify-content: center; width: 100%; min-height: 38px; padding: 8px 10px; color: var(--navy-900); background: #fff; border: 1px solid var(--line-strong); border-radius: 999px; font-size: 11px; font-weight: 800; }
.equal-link:hover { border-color: var(--navy-900); }

.mobile-service-cards { display: none; }
.service-card { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; }
.service-card + .service-card { margin-top: 14px; }
.service-card__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.service-card dl { display: grid; grid-template-columns: 110px 1fr; margin: 0; }
.service-card dt, .service-card dd { margin: 0; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 12px; line-height: 1.7; }
.service-card dt { color: var(--navy-800); font-weight: 800; }
.service-card dd { color: var(--ink); }
.service-card .equal-link { margin-top: 16px; }

.criteria-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 22px 0 0; padding: 0 !important; list-style: none; max-width: none !important; }
.criteria-list li { position: relative; min-height: 104px; margin: 0; padding: 17px 18px 16px 45px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); font-size: 12px; line-height: 1.75; }
.criteria-list li::before { content: "✓"; position: absolute; left: 17px; top: 17px; width: 20px; height: 20px; display: grid; place-items: center; color: var(--navy-950); background: var(--yellow); border-radius: 50%; font-weight: 900; }
.criteria-list strong { display: block; margin-bottom: 2px; font-size: 13px; }

.service-detail { margin-top: 24px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-md); }
.service-detail__head { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 16px; }
.service-detail h3 { margin: 0; }
.service-detail .pr-badge { flex: 0 0 auto; }
.fact-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 18px 0 0 !important; padding: 0 !important; list-style: none; max-width: none !important; }
.fact-list li { margin: 0; padding: 14px; background: var(--cream); border-radius: var(--radius-sm); color: var(--navy-700); font-size: 11px; line-height: 1.65; }
.fact-list strong { display: block; margin-bottom: 3px; font-size: 12px; }

.faq-list { display: grid; gap: 10px; }
.faq-list details { border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; }
.faq-list summary { padding: 16px 18px; color: var(--navy-950); font-weight: 800; cursor: pointer; }
.faq-list p { margin: 0; padding: 0 18px 18px; color: var(--navy-700); font-size: 13px; line-height: 1.9; }

.source-box { margin-top: 34px; padding: 22px; background: var(--surface); border-radius: var(--radius-md); }
.source-box h3 { margin-top: 0; }
.source-box ul { margin-bottom: 0; }
.source-box li { color: var(--muted); font-size: 11px; }

.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 20px; }
.related-card { min-height: 170px; display: flex; flex-direction: column; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.related-card .category-tag { align-self: flex-start; }
.related-card strong { margin-top: 14px; font-size: 13px; line-height: 1.7; }
.related-card span:last-child { margin-top: auto; padding-top: 15px; color: var(--muted); font-size: 10px; }

@media (max-width: 1020px) {
  .desktop-nav { display: none; }
  .mobile-menu { display: block; }
  .header-utility .draft-pill { display: none; }
  .hero__inner { grid-template-columns: 1fr .8fr; }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .article-layout { grid-template-columns: minmax(0, 1fr); }
  .article-sidebar { display: none; }
  .toc-mobile { display: block; }
  .article-main { max-width: 760px; margin-inline: auto; }
}

@media (max-width: 760px) {
  :root { --header-height: 66px; }
  body { font-size: 15px; }
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 64px 0; }
  .draft-banner__inner { min-height: 48px; align-items: flex-start; gap: 7px; padding-block: 8px; font-size: 11px; line-height: 1.45; }
  .draft-banner__label { margin-top: 1px; padding: 2px 7px; }
  .site-header { top: 48px; }
  .site-header__inner { min-height: 66px; }
  .brand__mark { width: 38px; height: 38px; }
  .brand__name { font-size: 17px; }
  .brand__tagline { font-size: 8px; }
  .mobile-menu__panel { inset: 120px 10px auto; }
  .section-heading { align-items: flex-start; margin-bottom: 24px; }
  .section-heading h2 { font-size: 28px; }
  .section-heading p { font-size: 13px; }
  .section-heading .text-link { display: none; }

  .hero__inner { min-height: auto; grid-template-columns: 1fr; gap: 18px; padding-block: 62px 30px; }
  .hero h1 { max-width: 12ch; font-size: clamp(38px, 12vw, 52px); line-height: 1.34; }
  .hero__lead { margin-top: 20px; font-size: 15px; line-height: 1.9; }
  .hero__actions { margin-top: 24px; }
  .button { min-height: 46px; font-size: 13px; }
  .hero__art { width: min(100%, 430px); margin: -10px 0 0 auto; }
  .hero__caption { right: 0; bottom: 2%; }

  .trust-strip__grid { grid-template-columns: 1fr; padding-block: 8px; }
  .trust-item { grid-template-columns: 38px 1fr; padding: 18px 4px; border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-item:first-child { border-left: 0; }
  .trust-item:last-child { border-bottom: 0; }
  .trust-item__icon { width: 38px; height: 38px; }

  .category-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .category-card { min-height: 168px; padding: 18px 15px; }
  .category-card:last-child { grid-column: 1 / -1; min-height: 145px; }
  .category-card__icon { width: 42px; height: 42px; }
  .category-card h3 { margin-top: 14px; font-size: 14px; }
  .category-card p { display: none; }
  .category-card__count { top: 15px; right: 14px; font-size: 10px; }

  .article-groups { gap: 54px; }
  .article-group__head h2 { font-size: 21px; }
  .article-grid { grid-template-columns: 1fr; gap: 12px; }
  .article-card, .article-card--feature { min-height: 220px; grid-column: auto; padding: 20px; }
  .article-card h3, .article-card--feature h3 { font-size: 18px; line-height: 1.65; }
  .article-card p { font-size: 12px; }

  .operator-band__inner { min-height: auto; grid-template-columns: 1fr; gap: 28px; padding-block: 56px; }
  .operator-band h2 { font-size: 31px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }

  .breadcrumb { overflow: hidden; }
  .breadcrumb ol { flex-wrap: nowrap; overflow-x: auto; white-space: nowrap; padding-bottom: 3px; }
  .article-header { padding: 50px 0 36px; }
  .article-header h1 { max-width: 18ch; font-size: 34px; line-height: 1.45; }
  .article-lede { font-size: 15px; line-height: 1.9; }
  .article-shell { padding: 36px 0 70px; }
  .notice { padding: 18px; }
  .policy-grid { grid-template-columns: 1fr; }
  .policy-item { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .policy-item:last-child { border-bottom: 0; }
  .prose h2 { margin-top: 52px; font-size: 24px; }
  .prose h3 { font-size: 19px; }
  .comparison-table-wrap { display: none; }
  .mobile-service-cards { display: block; }
  .criteria-list { grid-template-columns: 1fr; }
  .fact-list { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .related-card { min-height: 145px; }
}

@media (max-width: 420px) {
  .draft-banner__inner { justify-content: flex-start; text-align: left; }
  .hero h1 { font-size: 40px; }
  .hero__actions { display: grid; }
  .button { width: 100%; }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .service-card dl { grid-template-columns: 96px 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}