:root {
  --sheet: #FFFFFF;
  --ink: #17231F;
  --paragraph: #4C5652;
  --button: #1F4A3D;
  --rule: #D7DED9;
  --mint: #DCEBE2;
  --gold: #F1E5BE;
  --body: 'Work Sans', sans-serif;
  --display: 'Libre Caslon Display', serif;
}
* { box-sizing: border-box; }
html { background-color: #FFFFFF; color: #17231F; scroll-padding-top: 24px; }
body { margin: 0; font-family: 'Work Sans', sans-serif; font-size: 18px; font-weight: 400; line-height: 1.65; }
button, summary { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: rgba(31, 74, 61, .12); }
a { color: #1F4A3D; text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid #1F4A3D; outline-offset: 5px; }
button { cursor: pointer; }
[hidden] { display: none !important; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2 { font-family: 'Libre Caslon Display', serif; font-weight: 400; line-height: 1.06; letter-spacing: -.012em; color: #17231F; }
h3 { font-family: 'Work Sans', sans-serif; font-weight: 500; font-size: 23px; line-height: 1.3; letter-spacing: 0; }
p { color: #4C5652; }
img { display: block; max-width: 100%; height: auto; font-family: 'Work Sans', sans-serif; font-size: 16px; color: #4C5652; }
.page-width { width: calc(100% - 140px); max-width: 1300px; margin-inline: auto; }
.skip-reading { position: absolute; left: 24px; top: 16px; z-index: 10; transform: translateY(-180px); padding: 12px 22px; background-color: #FFFFFF; color: #17231F; min-height: 48px; }
.skip-reading:focus { transform: translateY(0); }
.notice-line { background-color: #000000; color: #FFFFFF; text-align: center; font-size: 16px; font-weight: 500; min-height: 48px; }
.notice-line a { display: inline-flex; min-height: 48px; align-items: center; padding: 4px 12px; color: #FFFFFF; }
.notice-line a:focus-visible { outline-color: #FFFFFF; outline-offset: -5px; }
.masthead { border-bottom: 1px solid #D7DED9; background-color: #FFFFFF; }
.masthead-row { display: flex; align-items: center; gap: 48px; min-height: 84px; }
.site-name { display: inline-flex; align-items: center; min-height: 48px; color: #17231F; font-size: 24px; font-weight: 500; line-height: 1.25; text-decoration: none; flex-shrink: 0; }
.header-links { display: flex; align-items: center; gap: 27px; flex: 1; }
.header-links > a { display: inline-flex; align-items: center; min-height: 48px; color: #17231F; font-size: 16px; text-decoration: none; }
.chapter-menu { margin-left: auto; }
.chapter-menu summary { min-height: 48px; padding: 11px 18px; border: 1px solid #17231F; border-radius: 3px; font-size: 16px; color: #17231F; cursor: pointer; }
.chapter-menu[open] summary { background-color: #DCEBE2; }
.header-line { font-size: 16px; line-height: 1.5; padding-bottom: 21px; color: #17231F; max-width: 900px; }
.chapter-menu-panel { position: absolute; z-index: 4; left: 70px; right: 70px; top: 132px; border: 1px solid #D7DED9; background-color: #FFFFFF; box-shadow: 0 12px 24px rgba(23, 35, 31, .06); padding: 30px 36px; }
.chapter-menu:not([open]) .chapter-menu-panel { display: none; }
.chapter-menu-panel nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 25px 42px; }
.chapter-group p { font-weight: 500; color: #17231F; font-size: 17px; margin-bottom: 5px; }
.chapter-group a { display: flex; align-items: center; min-height: 44px; font-size: 16px; line-height: 1.4; }
.hero-intro { padding: 64px 0 36px; }
.hero-intro h1 { font-size: 88px; max-width: 1100px; }
.hero-detail { display: flex; align-items: flex-end; justify-content: space-between; gap: 48px; margin-top: 28px; }
.hero-detail p { font-size: 21px; line-height: 1.5; max-width: 760px; }
.solid-link { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 13px 25px; background-color: #1F4A3D; border: 1px solid #1F4A3D; border-radius: 3px; color: #FFFFFF; font-size: 16px; font-weight: 500; line-height: 1.4; text-align: center; text-decoration: none; }
.solid-link:hover { background-color: #17231F; border-color: #17231F; }
.hero-detail .solid-link { flex-shrink: 0; }
.opening-photograph { background-color: #FFFFFF; }
.opening-photograph img { width: 100%; height: 570px; object-fit: cover; object-position: 50% 58%; }
.home-section { margin-top: 116px; }
.section-heading { max-width: 850px; margin: 0 auto 42px; text-align: center; }
.section-heading h2 { font-size: 54px; margin-bottom: 20px; }
.section-heading p { font-size: 20px; line-height: 1.55; }
.path-tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 42px 30px; }
.path-tile { min-width: 0; }
.path-tile > a { display: block; text-decoration: none; color: #17231F; }
.path-tile img { width: 100%; aspect-ratio: 10 / 7; object-fit: cover; object-position: center; border-radius: 4px; }
.path-tile h3 { margin: 18px 0 8px; }
.stage-count { font-size: 16px; color: #4C5652; font-weight: 400; margin-right: 9px; }
.stage-count::before { content: attr(data-step) "."; }
.path-tile p { font-size: 17px; line-height: 1.6; }
.path-tile > a:hover h3 { text-decoration: underline; text-underline-offset: .2em; }
.values-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 36px; text-align: center; }
.value-note { padding-top: 24px; border-top: 1px solid #D7DED9; }
.value-note h3 { font-size: 22px; margin-bottom: 15px; }
.value-note p { font-size: 18px; line-height: 1.6; }
.question-band { display: grid; grid-template-columns: 1.25fr 1fr; align-items: center; gap: 90px; padding: 66px; border-radius: 8px; background-color: #DCEBE2; background-image: linear-gradient(125deg, #DCEBE2 12%, #E7EDD9 50%, #F1E5BE 100%); }
.question-band h2 { font-size: 51px; margin-bottom: 21px; }
.question-band > div > p { font-size: 20px; }
.question-glass { border: 1px solid #FFFFFF; border-radius: 5px; padding: 30px; background-color: rgba(255, 255, 255, .5); }
.question-glass h3 { font-size: 23px; margin-bottom: 12px; }
.question-glass p { font-size: 18px; margin-bottom: 22px; }
.question-glass .solid-link { background-color: #FFFFFF; color: #17231F; border-color: #FFFFFF; }
.question-glass .solid-link:hover { border-color: #17231F; }
.photo-conversation { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: center; }
.photo-conversation img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 8px; }
.photo-conversation h2 { font-size: 52px; max-width: 510px; margin-bottom: 25px; }
.photo-conversation p { font-size: 21px; max-width: 520px; margin-bottom: 28px; }
.photo-conversation.reversed > .split-words { order: -1; }
.split-words { padding: 36px 8px; }
.home-evidence { max-width: 850px; margin: 100px auto 0; padding-top: 30px; border-top: 1px solid #D7DED9; }
.home-evidence h2 { font-size: 34px; margin-bottom: 18px; }
.home-evidence p { font-size: 17px; }
.home-evidence a { display: inline-flex; align-items: center; min-height: 44px; }
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; padding: 25px 0 16px; font-size: 16px; color: #4C5652; }
.breadcrumbs a { display: inline-flex; align-items: center; min-height: 44px; color: #4C5652; }
.chapter-heading { padding: 16px 0 42px; max-width: 1020px; }
.chapter-heading .step-name { color: #4C5652; font-size: 17px; margin-bottom: 17px; }
.chapter-heading h1 { font-size: 68px; margin-bottom: 23px; }
.chapter-heading .chapter-lead { max-width: 760px; font-size: 22px; line-height: 1.5; }
.guide-scope { max-width: 760px; margin-top: 20px; font-size: 16px; line-height: 1.6; color: #4C5652; }
.progress-links { display: flex; gap: 12px; flex-wrap: wrap; padding: 22px 0; border-top: 1px solid #D7DED9; border-bottom: 1px solid #D7DED9; }
.progress-links a { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 9px 20px; border: 1px solid #17231F; border-radius: 6px; color: #17231F; font-size: 16px; line-height: 1.35; text-decoration: none; }
.progress-links a[aria-current="step"] { background-color: #DCEBE2; border-color: #1F4A3D; }
.progress-links a::before { content: attr(data-stage) "."; margin-right: .35em; }
.reading-layout { display: grid; grid-template-columns: 260px minmax(0, 760px); gap: 72px; padding-top: 62px; align-items: start; }
.reading-compass { padding-top: 8px; }
.reading-compass h2 { font-family: 'Work Sans', sans-serif; font-size: 20px; letter-spacing: 0; line-height: 1.4; margin-bottom: 20px; }
.reading-compass a { display: flex; align-items: center; min-height: 52px; border-top: 1px solid #D7DED9; padding: 12px 0; font-size: 17px; }
.reading-compass p { padding-top: 20px; font-size: 16px; }
.reading-column { min-width: 0; max-width: 760px; }
.reading-section { margin-bottom: 54px; }
.reading-section h2 { font-size: 39px; margin-bottom: 22px; }
.reading-section h3 { font-family: 'Libre Caslon Display', serif; font-weight: 400; font-size: 35px; line-height: 1.12; letter-spacing: -.012em; margin-bottom: 20px; color: #17231F; }
.reading-section p { max-width: 700px; margin-bottom: 20px; font-size: 19px; line-height: 1.75; }
.reading-section p:last-child { margin-bottom: 0; }
.reading-section p a { display: inline; padding-block: 12px; line-height: inherit; }
.chapter-photograph { margin-bottom: 28px; }
.chapter-photograph img { width: 100%; height: auto; aspect-ratio: 10 / 7; object-fit: cover; border-radius: 5px; }
.comparison-zone { margin: 22px 0 62px; }
.comparison-zone h2 { font-size: 39px; margin-bottom: 23px; }
.comparison-choices { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 25px; }
.comparison-choices button { min-height: 48px; padding: 10px 18px; font-size: 16px; background-color: #FFFFFF; border: 1px solid #1F4A3D; color: #17231F; border-radius: 4px; }
.comparison-choices button[aria-pressed="true"] { background-color: #1F4A3D; color: #FFFFFF; }
.format-comparison { padding-block: 25px; border-top: 1px solid #D7DED9; }
.format-comparison h3 { margin-bottom: 15px; }
.format-comparison p { font-size: 19px; margin-bottom: 16px; }
.comparison-note { font-size: 16px; color: #4C5652; margin-top: 16px; }
.end-reading { margin: 66px 0 45px; padding-top: 30px; border-top: 1px solid #D7DED9; }
.end-reading h2 { font-size: 31px; margin-bottom: 16px; }
.end-reading > p { font-size: 16px; margin-bottom: 16px; }
.source-note { font-size: 16px; line-height: 1.6; padding-block: 7px; }
.source-note a { display: inline-flex; align-items: center; min-height: 44px; }
.next-reading { padding: 34px; margin-top: 44px; border: 1px solid #D7DED9; border-radius: 6px; background-color: #FFFFFF; }
.next-reading p { font-size: 17px; margin-bottom: 10px; }
.next-reading h2 { font-size: 36px; margin-bottom: 25px; }
.previous-reading { display: inline-flex; align-items: center; min-height: 48px; font-size: 16px; margin-top: 22px; }
.page-footer { margin-top: 115px; padding: 45px 0 32px; border-top: 1px solid #D7DED9; background-color: #FFFFFF; }
.footer-upper { display: flex; gap: 60px; justify-content: space-between; }
.footer-description { max-width: 620px; }
.footer-description p { font-size: 17px; margin-top: 15px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 28px; align-content: flex-start; }
.footer-links a { display: inline-flex; align-items: center; min-height: 48px; font-size: 16px; }
.copyright { margin-top: 30px; font-size: 16px; }
.missing-page { max-width: 800px; padding: 85px 0 65px; }
.missing-page h1 { font-size: 72px; margin-bottom: 28px; }
.missing-page p { font-size: 21px; margin-bottom: 30px; }
@media (max-width: 1150px) {
  .page-width { width: calc(100% - 80px); }
  .masthead-row { gap: 25px; }
  .site-name { font-size: 21px; }
  .header-links { gap: 18px; }
  .chapter-menu-panel { left: 40px; right: 40px; }
  .hero-intro h1 { font-size: 77px; }
  .hero-detail { align-items: flex-start; flex-direction: column; gap: 24px; }
  .question-band { gap: 40px; padding: 48px; }
  .reading-layout { grid-template-columns: 210px minmax(0, 1fr); gap: 45px; }
  .values-row { gap: 25px; }
  .photo-conversation { gap: 42px; }
  .photo-conversation h2 { font-size: 45px; }
}
@media (max-width: 800px) {
  .page-width { width: calc(100% - 48px); }
  .masthead-row { flex-wrap: wrap; gap: 0 20px; padding-top: 12px; min-height: 0; }
  .header-links { flex: auto; width: 100%; gap: 25px; order: 1; padding: 5px 0 12px; }
  .site-name { font-size: 23px; }
  .header-line { padding: 12px 0 18px; }
  .chapter-menu { position: static; }
  .chapter-menu-panel { position: static; padding: 24px; margin: 0; border-inline: 0; box-shadow: none; }
  .chapter-menu-panel nav { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .masthead { position: relative; }
  .header-links .chapter-menu { margin-left: auto; }
  .chapter-menu[open] .chapter-menu-panel { position: absolute; top: 100%; left: 0; right: 0; border-bottom: 1px solid #17231F; }
  .hero-intro { padding: 48px 0 28px; }
  .hero-intro h1 { font-size: 66px; }
  .opening-photograph img { height: 450px; }
  .home-section { margin-top: 88px; }
  .section-heading h2 { font-size: 46px; }
  .path-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 24px; }
  .values-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 35px; }
  .question-band { grid-template-columns: 1fr; gap: 30px; padding: 40px; }
  .question-band h2 { font-size: 44px; }
  .photo-conversation { gap: 30px; }
  .photo-conversation h2 { font-size: 39px; }
  .photo-conversation p { font-size: 18px; }
  .chapter-heading h1 { font-size: 57px; }
  .reading-layout { grid-template-columns: 1fr; gap: 38px; padding-top: 42px; }
  .reading-compass { border-bottom: 1px solid #D7DED9; padding-bottom: 22px; }
  .reading-compass nav { display: flex; flex-wrap: wrap; gap: 10px 22px; }
  .reading-compass a { min-height: 44px; border: 0; padding: 0; }
  .reading-compass p { display: none; }
  .reading-column { max-width: 730px; }
  .footer-upper { flex-direction: column; gap: 24px; }
}
@media (max-width: 540px) {
  body { font-size: 17px; }
  .page-width { width: calc(100% - 40px); }
  .notice-line { font-size: 16px; }
  .site-name { font-size: 22px; }
  .masthead-row { padding-top: 10px; }
  .header-links { gap: 19px; padding-bottom: 8px; }
  .header-links > a { font-size: 16px; }
  .header-links > a:nth-child(2) { display: none; }
  .chapter-menu summary { padding: 9px 12px; }
  .header-line { font-size: 16px; line-height: 1.5; padding-top: 10px; }
  .chapter-menu-panel nav { grid-template-columns: 1fr; }
  .chapter-menu[open] .chapter-menu-panel { max-height: 65vh; overflow-y: auto; }
  .hero-intro { padding-top: 36px; }
  .hero-intro h1 { font-size: 49px; line-height: 1.02; letter-spacing: -.01em; }
  .hero-detail { margin-top: 24px; gap: 22px; }
  .hero-detail p { font-size: 19px; line-height: 1.55; }
  .hero-detail .solid-link { width: 100%; }
  .opening-photograph img { height: 410px; object-position: 50% 55%; }
  .home-section { margin-top: 76px; }
  .section-heading { margin-bottom: 30px; }
  .section-heading h2 { font-size: 40px; }
  .section-heading p { font-size: 18px; }
  .path-tiles { grid-template-columns: 1fr; gap: 35px; }
  .path-tile img { aspect-ratio: 1.35; }
  .path-tile h3 { font-size: 23px; }
  .path-tile p { font-size: 18px; }
  .values-row { grid-template-columns: 1fr; gap: 30px; }
  .value-note { padding-top: 22px; }
  .value-note p { max-width: 340px; margin-inline: auto; }
  .question-band { padding: 30px 24px; gap: 26px; }
  .question-band h2 { font-size: 40px; }
  .question-band > div > p { font-size: 18px; }
  .question-glass { padding: 24px 20px; }
  .question-glass .solid-link { width: 100%; }
  .photo-conversation { grid-template-columns: 1fr; gap: 27px; }
  .photo-conversation.reversed > .split-words { order: 0; }
  .photo-conversation h2 { font-size: 43px; margin-bottom: 19px; }
  .photo-conversation p { font-size: 19px; }
  .split-words { padding: 0; }
  .home-evidence { margin-top: 76px; }
  .breadcrumbs { gap: 8px; padding-top: 15px; }
  .chapter-heading { padding-top: 5px; padding-bottom: 30px; }
  .chapter-heading h1 { font-size: 49px; }
  .chapter-heading .chapter-lead { font-size: 20px; }
  .chapter-heading .step-name { margin-bottom: 13px; }
  .progress-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; padding: 18px 0; }
  .progress-links a { padding-inline: 8px; font-size: 16px; min-height: 50px; }
  .reading-layout { padding-top: 30px; }
  .reading-section { margin-bottom: 44px; }
  .reading-section h2 { font-size: 34px; }
  .reading-section h3 { font-size: 31px; }
  .reading-section p { font-size: 18px; line-height: 1.8; }
  .comparison-zone h2 { font-size: 34px; }
  .format-comparison p { font-size: 18px; }
  .next-reading { padding: 27px 24px; }
  .next-reading h2 { font-size: 32px; }
  .next-reading .solid-link { width: 100%; }
  .page-footer { margin-top: 76px; padding-top: 32px; }
  .missing-page { padding: 55px 0; }
  .missing-page h1 { font-size: 50px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
@media print {
  .notice-line, .header-links, .reading-compass, .progress-links, .footer-links, .comparison-choices, .next-reading, .previous-reading { display: none !important; }
  .page-width { width: 100%; }
  .reading-layout { display: block; }
  .reading-column { max-width: none; }
  .format-comparison[hidden] { display: block !important; }
  .page-footer { margin-top: 35px; }
}