html:has(.course-page), html:has(.course-legacy-link:target) { scroll-behavior: auto; }
.business-intro-note { max-width: 72ch; margin: 20px 0 0; color: var(--muted); font-size: 16px; line-height: 1.8; }
.business-lenses { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.business-lenses article { padding: 24px; background: var(--surface); border: 0; border-top: 3px solid var(--blue); border-radius: 0 0 var(--radius-md) var(--radius-md); display: flex; flex-direction: column; }
.business-lenses h3 { font-size: 20px; font-weight: 500; margin-bottom: 12px; }
.business-lenses p { font-size: 16px; color: var(--muted); }
.business-lenses article > .text-link:last-child { align-self: start; margin-top: auto; }
.business-lenses .text-link { display: inline-flex; align-items: center; min-height: 44px; }
.business-boundary { padding: 20px 24px; border-left: 3px solid var(--blue); background: var(--soft); font-size: 14px; line-height: 1.85; }
.course-page-links { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 20px; padding-top: 12px; border-top: 1px solid var(--line); }
.course-page-links a { display: inline-flex; align-items: center; min-height: 44px; }
.course-page-content { padding-bottom: 64px; }
.course-study-context { max-width: 72ch; margin-top: 24px; border-top: 1px solid var(--line); }
.course-study-context summary { min-height: 44px; padding-block: 12px; color: var(--blue); cursor: pointer; font-size: 16px; }
.course-study-context .business-intro-note { margin-top: 12px; }
.course-page .governance-hero { padding-bottom: 36px; }
.course-page .course-overview { padding: 24px 28px; border-left: 3px solid var(--blue); background: var(--surface); }
.course-page .course-overview > p:last-child { margin-bottom: 0; }
.course-legacy-link { display: none; }
.course-legacy-link:target { display: inline-flex; align-items: center; min-width: 44px; min-height: 44px; padding-block: 12px; color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.course-reading { display: grid; grid-template-columns: 252px minmax(0, 1fr); align-items: start; gap: 48px; }
.course-sidebar { min-width: 0; position: sticky; top: 24px; }
.course-contents { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 8px 16px; }
.course-contents > summary { cursor: pointer; padding: 12px 0; min-height: 44px; font-size: 17px; font-weight: 600; border-bottom: 1px solid var(--line); }
.course-contents nav { max-height: max(180px, calc(100dvh - 200px)); overflow-y: auto; overscroll-behavior: contain; padding: 12px 8px 12px 0; }
.course-contents a { display: block; min-height: 44px; padding: 12px; border-left: 2px solid transparent; font-size: 15px; line-height: 1.65; overflow-wrap: anywhere; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.course-contents a:hover, .course-contents a[aria-current='location'] { color: var(--blue); background: var(--soft); border-left-color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.course-contents ol { list-style: none; padding: 0; margin: 12px 0; }
.course-anchor-error { margin-top: 12px; font-size: 13px; }
.course-article { min-width: 0; max-width: 72ch; font-size: 18px; line-height: 1.85; }
.course-article h2 { font-size: clamp(25px, 2.3vw, 32px); line-height: 1.45; margin-bottom: 20px; overflow-wrap: anywhere; }
.course-article h3 { font-size: 22px; font-weight: 500; line-height: 1.5; margin-bottom: 24px; overflow-wrap: anywhere; }
.course-article h4 { font-size: 18px; font-weight: 600; line-height: 1.7; margin: 20px 0 8px; }
.course-article p { margin-bottom: 16px; text-wrap: pretty; }
.course-article .text-link { display: inline-flex; align-items: center; min-height: 44px; padding-block: 8px; }
.course-overview, .course-lecture, .course-review, .course-sources, .course-anchor-alias { scroll-margin-top: 24px; }
.course-article section:focus-visible { outline: 2px solid var(--blue); outline-offset: 8px; }
.course-lecture, .course-review, .course-sources { margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--line); }
.course-thesis { font-size: 21px; line-height: 1.75; color: var(--ink); }
.course-key-points { padding-left: 22px; margin-block: 24px; }
.course-key-points li + li { margin-top: 24px; }
.course-key-points h3, .course-example h3 { font-size: 18px; margin-bottom: 10px; }
.course-key-points li::marker { color: var(--blue); }
.course-example { padding: 24px; background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--blue); border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.course-example p { margin: 0; }
.course-article .course-review-question { margin: 24px 0 0; padding-top: 20px; border-top: 1px dashed var(--line); color: var(--muted); }
.course-review-question strong { display: block; }
.course-review { border-top: 2px solid var(--blue); }
.course-sources { font-size: 16px; }
.course-sources summary { cursor: pointer; min-height: 44px; padding-block: 10px; }
.course-sources ul { padding-left: 20px; }
.course-anchor-alias { display: block; height: 0; }
.business-pilot { margin: 0 0 28px; }
.business-pilot > div { display: grid; grid-template-columns: minmax(0, .6fr) minmax(0, 1.6fr); gap: 24px; padding: 20px 0; border-top: 1px solid var(--line); }
.business-pilot dt { font-weight: 500; }
.business-pilot dd { margin: 0; color: var(--muted); font-size: 16px; }
.business-example { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 24px; }
.business-example h3 { font-size: 18px; font-weight: 500; margin-bottom: 12px; }
.business-example p { margin: 0; font-size: 15px; }
@media (max-width: 1000px) {
  .course-reading { grid-template-columns: 210px minmax(0, 1fr); gap: 32px; }
}
@media (max-width: 800px) {
  .course-reading { display: block; }
  .course-sidebar { position: static; margin-bottom: 36px; }
  .course-contents nav { max-height: 420px; }
  .course-article { max-width: none; }
}
@media (max-width: 600px) {
  .course-page .course-overview { padding: 20px; }
  .course-article { font-size: 17px; line-height: 1.8; }
  .course-thesis { font-size: 19px; }
  .course-example { padding: 20px; }
  .course-key-points { padding-left: 20px; }
  .business-lenses { grid-template-columns: 1fr; gap: 16px; }
  .business-pilot > div { grid-template-columns: 1fr; gap: 8px; }
  .business-boundary, .business-example, .business-lenses article { padding: 20px; }
}
@media print {
  .course-sidebar, .course-page-links, .course-legacy-links { display: none !important; }
  .course-reading { display: block; }
  .course-article { max-width: none; font-size: 11pt; }
  .course-article h2 { font-size: 18pt; break-after: avoid; }
  .course-article h3 { font-size: 14pt; break-after: avoid; }
  .course-article h4 { break-after: avoid; }
  .course-lecture { margin-top: 24pt; padding-top: 12pt; }
  .business-pilot > div { break-inside: avoid; }
  .course-example { break-inside: avoid; }
  .business-lenses { display: block; }
}