.content-page { line-height: 1.75; }
.content-page h1 { font-size: 44px; line-height: 1.2; max-width: none; margin-bottom: 18px; }
.content-page h2 { font-size: 28px; line-height: 1.4; margin-bottom: 24px; }
.content-page h3 { font-size: 19px; line-height: 1.5; }
.article-page h1 { font-size: 36px; max-width: 820px; }
.reading-width { max-width: 820px; }
.guide-body { padding: 28px 0 46px; }
.guide-body section { padding-top: 34px; }
.article-meta { font-size: 14px; color: var(--muted); }
.article-toc { display: flex; flex-wrap: wrap; gap: 12px 24px; padding: 20px 0; border-block: 1px solid var(--line); font-size: 15px; }
.article-toc strong { flex-basis: 100%; }
.article-toc a { color: var(--teal-dark); }
.article-toc a:hover { text-decoration: underline; }
.guide-body ul { padding-left: 24px; }
.guide-body li { margin-bottom: 12px; }
.week-plan { padding-left: 24px; }
.week-plan > li { padding: 18px 0 6px 8px; border-top: 1px solid var(--line); }
.week-plan h3 { margin-bottom: 12px; }
.week-plan p { margin-bottom: 10px; }
.response-example { margin: 24px 0; }
.response-example > div { padding: 16px 0; border-top: 1px solid var(--line); }
.response-example dt { font-weight: 700; margin-bottom: 6px; }
.response-example dd { margin: 0; color: #465363; }
.guide-product { display: grid; grid-template-columns: 248px minmax(0, 1fr); gap: 36px; }
.guide-list-item { padding: 24px 0; border-block: 1px solid var(--line); }
.content-page .nav a[aria-current="page"], .content-page .mobile-nav-menu a[aria-current="page"] { color: var(--teal-dark); background: #fff0f3; }
.page-inner { width: min(1120px, calc(100% - 48px)); margin-inline: auto; min-width: 0; }
.page-intro { padding: 108px 0 42px; background: #fffafb; border-bottom: 1px solid #f4dfe4; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; font-size: 14px; color: var(--muted); }
.breadcrumbs a:hover, .text-link:hover { text-decoration: underline; }
.page-lead { max-width: 760px; font-size: 19px; color: #354152; margin-bottom: 24px; }
.page-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.page-band { padding: 46px 0; }
.soft-band { background: var(--soft); }
.section-intro { max-width: 760px; color: var(--muted); }
.topic-list { margin: 0; }
.topic-list > div { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 32px; padding: 22px 0; border-top: 1px solid var(--line); }
.topic-list dt { font-weight: 700; font-size: 18px; }
.topic-list dd { margin: 0; color: #465363; }
.example-layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 64px; align-items: start; }
.example-layout > div { min-width: 0; }
.product-example { margin: 0; text-align: center; }
.product-example img { display: block; width: 248px; max-width: 100%; height: auto; margin-inline: auto; border: 1px solid var(--line); }
.product-example figcaption { margin-top: 14px; font-size: 13px; color: var(--muted); }
.step-list { margin: 26px 0 0; padding-left: 24px; }
.step-list li { padding-left: 10px; margin-bottom: 24px; }
.step-list li::marker { color: var(--teal-dark); font-weight: 700; }
.step-list h3 { margin-bottom: 6px; }
.step-list p { color: #465363; margin-bottom: 0; }
.preparation-list { padding-left: 24px; }
.preparation-list li { padding-left: 8px; margin-bottom: 16px; color: #465363; }
.text-link { color: var(--teal-dark); font-weight: 600; }
.allowance-row { display: flex; flex-wrap: wrap; gap: 48px; margin-bottom: 24px; }
.allowance-row > div { display: flex; flex-direction: column; }
.allowance-row strong { font-size: 28px; }
.allowance-row span { color: var(--muted); font-size: 14px; }
.plan-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.plan { display: flex; flex-direction: column; align-items: start; padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: 8px; min-width: 0; }
.plan h2 { margin: 8px 0 14px; }
.plan p { color: #465363; }
.plan-label { color: var(--muted); font-size: 14px; }
.commercial-plan { border-top: 4px solid var(--teal); padding-top: 27px; }
.plan-quota { display: flex; flex-direction: column; width: 100%; border-block: 1px solid var(--line); padding: 18px 0; margin: 0 0 20px; }
.plan-quota strong { font-size: 24px; }
.plan-quota span { font-size: 14px; color: var(--muted); }
.plan .button { margin-top: auto; }
.comparison-table { border-collapse: collapse; width: 100%; table-layout: fixed; }
.comparison-table caption { text-align: left; color: var(--muted); font-size: 14px; padding-bottom: 16px; }
.comparison-table th, .comparison-table td { border-bottom: 1px solid var(--line); padding: 16px; text-align: left; overflow-wrap: anywhere; }
.comparison-table thead th { background: var(--soft); }
.comparison-table th:first-child { width: 40%; }
.comparison-table tbody th { font-weight: 600; }
.comparison-table td { color: #465363; }
.page-note { font-size: 14px; color: var(--muted); margin-top: 18px; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 22px 0; font-size: 18px; font-weight: 600; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-indicator { flex: 0 0 24px; height: 24px; display: grid; place-items: center; color: var(--teal-dark); font-size: 24px; line-height: 1; transition: transform 120ms ease; }
.faq-list details[open] .faq-indicator { transform: rotate(45deg); }
.faq-list details p { max-width: 880px; padding-bottom: 24px; color: #465363; margin-bottom: 0; }
.related-band { border-top: 1px solid var(--line); }
.related-links { display: flex; flex-wrap: wrap; gap: 16px 32px; color: var(--teal-dark); font-weight: 600; }
.related-links a:hover { text-decoration: underline; }
.action-band { background: #fff0f3; }
.action-band p { max-width: 720px; color: #465363; }
.page-footer { padding: 24px 0; font-size: 14px; color: var(--muted); }
.page-footer .page-inner { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }
.content-page :target { scroll-margin-top: 88px; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 30; background: #fff; padding: 8px 16px; border: 2px solid var(--teal); }
.skip-link:focus { top: 8px; }
.content-page a:focus-visible, .content-page summary:focus-visible { outline: 2px solid var(--teal); outline-offset: 4px; }
@media (max-width: 760px) {
  .guide-product { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .example-layout { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .product-example img { width: 220px; }
  .topic-list > div { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .plan-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 620px) {
  .page-inner { width: calc(100% - 36px); }
  .page-intro { padding: 90px 0 32px; }
  .content-page h1 { font-size: 32px; }
  .content-page h2 { font-size: 24px; }
  .page-lead { font-size: 17px; }
  .page-band { padding: 34px 0; }
  .plan { padding: 22px; }
  .commercial-plan { padding-top: 19px; }
  .comparison-table th, .comparison-table td { padding: 12px 8px; font-size: 14px; }
  .faq-list summary { font-size: 16px; gap: 16px; }
}
@media (max-width: 360px) {
  .content-page .site-header { padding-inline: 12px; gap: 6px; }
  .content-page .brand { gap: 6px; font-size: 14px; }
  .content-page .brand-logo { width: 36px; height: 36px; }
  .content-page .nav-cta { padding-inline: 9px; font-size: 13px; }
  .content-page .mobile-nav summary { width: 36px; height: 36px; }
}