:root {
  --info-bg: #f7f3ec;
  --info-paper: #fff;
  --info-ink: #162033;
  --info-muted: #657085;
  --info-navy: #071d36;
  --info-line: #d9d1c5;
  --info-amber: #b8731d;
  --info-amber-soft: #fff0d9;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  margin: 0 0 14px;
  font-size: 0.82rem;
}

.footer-links a,
.editor-meta a {
  color: inherit;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.footer-links a:hover,
.footer-links a:focus-visible,
.editor-meta a:hover,
.editor-meta a:focus-visible {
  text-decoration-thickness: 2px;
}

.site-nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px 16px;
}

.site-nav-links a {
  color: #c9dfe8;
  font-size: .8rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav-links a:hover,
.site-nav-links a:focus-visible {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.editor-meta {
  margin: 14px 0 0;
  color: inherit;
  font-size: 0.78rem;
  opacity: 0.9;
}

.editor-meta time {
  white-space: nowrap;
}

.related-guides {
  margin-top: 36px;
  padding: 24px;
  border: 1px solid rgba(101, 112, 133, 0.28);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.8);
  color: #162033;
}

.related-guides h2 {
  margin: 0 0 8px;
  color: #162033;
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  line-height: 1.45;
}

.related-guides p {
  margin: 0 0 14px;
  color: #657085;
}

.related-guides-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.related-guides-list a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid rgba(101, 112, 133, 0.32);
  border-radius: 8px;
  background: #fff;
  color: #17233b;
  font-weight: 700;
  line-height: 1.5;
  text-decoration: none;
}

.related-guides-list a:hover,
.related-guides-list a:focus-visible {
  border-color: #b8731d;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.reader-checklist {
  margin-top: 36px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid rgba(101, 112, 133, 0.3);
  border-radius: 12px;
  background: #fffdf9;
  color: #162033;
}

.reader-checklist .reader-eyebrow {
  margin: 0 0 6px;
  color: #a86113;
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.reader-checklist h2 {
  margin: 0 0 10px;
  color: #162033;
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  line-height: 1.45;
}

.reader-checklist > p {
  color: #526075;
}

.reader-checklist-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
  padding: 0;
  counter-reset: reader-check;
  list-style: none;
}

.reader-checklist-grid li {
  position: relative;
  min-height: 100%;
  padding: 42px 16px 16px;
  border: 1px solid #d9d1c5;
  border-radius: 9px;
  background: #fff;
  counter-increment: reader-check;
}

.reader-checklist-grid li::before {
  position: absolute;
  top: 12px;
  left: 16px;
  content: "0" counter(reader-check);
  color: #b8731d;
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .08em;
}

.reader-checklist-grid strong {
  display: block;
  margin-bottom: 5px;
}

.evidence-scope {
  margin-top: 20px;
  padding: 18px;
  border-left: 4px solid #176b4d;
  background: #eaf7f1;
}

.evidence-scope h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.evidence-scope dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 5px 12px;
  margin: 0;
}

.evidence-scope dt {
  font-weight: 900;
}

.evidence-scope dd {
  margin: 0;
}

.reader-guide-link {
  margin-bottom: 0 !important;
  font-weight: 700;
}

.reader-guide-link a {
  color: #764708;
  text-underline-offset: 3px;
}

.info-page {
  min-height: 100vh;
  margin: 0;
  background: var(--info-bg);
  color: var(--info-ink);
  font-family: "Meiryo", "メイリオ", sans-serif;
  line-height: 1.8;
}

.info-page *,
.info-page *::before,
.info-page *::after {
  box-sizing: border-box;
}

.info-page a {
  color: #7f4d0e;
  overflow-wrap: anywhere;
}

.info-page a:focus-visible {
  outline: 3px solid #e2a34f;
  outline-offset: 3px;
}

.info-nav {
  background: var(--info-navy);
  color: #fff;
}

.info-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1040px, calc(100% - 36px));
  min-height: 64px;
  margin: 0 auto;
  gap: 24px;
}

.info-brand {
  color: #fff !important;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-decoration: none;
  white-space: nowrap;
}

.info-nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 18px;
}

.info-nav-links a {
  color: #dbe8f2;
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}

.info-nav-links a[aria-current="page"] {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: #e2a34f;
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

.info-main {
  width: min(860px, calc(100% - 36px));
  margin: 0 auto;
  padding: 56px 0 72px;
}

.info-hero {
  margin-bottom: 28px;
}

.info-eyebrow {
  margin: 0 0 10px;
  color: var(--info-amber);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.info-hero h1 {
  margin: 0;
  font-family: "Meiryo", "メイリオ", sans-serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.35;
  letter-spacing: 0.025em;
}

.info-lead {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--info-muted);
}

.info-card {
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid var(--info-line);
  border-radius: 14px;
  background: var(--info-paper);
  box-shadow: 0 14px 36px rgba(21, 32, 51, 0.06);
}

.info-card h2 {
  margin: 2.5em 0 0.65em;
  padding-bottom: 0.35em;
  border-bottom: 1px solid var(--info-line);
  font-family: "Meiryo", "メイリオ", sans-serif;
  font-size: 1.35rem;
  line-height: 1.5;
}

.info-card h2:first-child {
  margin-top: 0;
}

.info-card h3 {
  margin: 1.8em 0 0.5em;
  font-size: 1.05rem;
}

.info-card p,
.info-card ul,
.info-card ol,
.info-card dl {
  margin-top: 0.7em;
  margin-bottom: 1.1em;
}

.info-card ul,
.info-card ol {
  padding-left: 1.5em;
}

.info-card li + li {
  margin-top: 0.45em;
}

.info-card dt {
  margin-top: 1em;
  color: var(--info-muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.info-card dd {
  margin: 0.2em 0 0;
  font-weight: 700;
}

.info-note {
  margin: 1.5em 0;
  padding: 16px 18px;
  border-left: 4px solid var(--info-amber);
  background: var(--info-amber-soft);
}

.info-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  margin-top: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--info-navy);
  color: #fff !important;
  font-weight: 900;
  text-decoration: none;
}

.info-updated {
  margin-top: 36px !important;
  color: var(--info-muted);
  font-size: 0.82rem;
}

.info-footer {
  padding: 30px 18px 38px;
  background: var(--info-navy);
  color: #c9dfe8;
  text-align: center;
  font-size: 0.78rem;
}

.info-footer p {
  margin: 5px 0;
}

.info-footer a {
  color: inherit;
}

@media (max-width: 720px) {
  .related-guides-list {
    grid-template-columns: 1fr;
  }

  .reader-checklist-grid {
    grid-template-columns: 1fr;
  }

  .evidence-scope dl {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .evidence-scope dd + dt {
    margin-top: 8px;
  }

  .info-nav-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
    gap: 10px;
  }

  .site-nav-inner {
    align-items: flex-start !important;
    flex-direction: column;
    padding-block: 12px !important;
    gap: 6px;
  }

  .site-nav-links {
    justify-content: flex-start;
  }

  .info-nav-links {
    justify-content: flex-start;
    gap: 6px 14px;
  }

  .info-main {
    padding-top: 40px;
  }

  .info-card {
    border-radius: 10px;
  }
}