body { margin: 0; background: var(--color-bg); color: var(--color-text); font-family: var(--font-body); text-wrap: pretty; min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--color-accent-700); text-decoration-color: var(--color-accent-300); text-underline-offset: 3px; }
a:hover { color: var(--color-accent-900); text-decoration-color: var(--color-accent); }
a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.masthead, main, .foot { max-width: 1040px; width: 100%; margin: 0 auto; padding-inline: 24px; box-sizing: border-box; }
.masthead { padding-top: 56px; text-align: center; }
.brand { display: inline-block; text-decoration: none; color: var(--color-text); font-family: var(--font-heading); font-weight: 400; font-size: clamp(44px, 7vw, 72px); line-height: 1.05; letter-spacing: 0.01em; }
.brand:hover { color: var(--color-text); }
.tagline { margin: 14px 0 0; font-size: 13px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--color-accent-700); }
.rules { margin-top: 32px; border-top: 1px solid var(--color-divider); border-bottom: 1px solid var(--color-divider); padding: 3px 0; }
.topnav { border-top: 1px solid var(--color-divider); border-bottom: 1px solid var(--color-divider); padding: 12px 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 32px; font-family: var(--font-heading); font-size: 18px; letter-spacing: 0.04em; }
.topnav a { text-decoration: none; }

main { flex: 1; }
.fleuron { margin: 8px 0 0; text-align: center; font-family: var(--font-heading); font-size: 20px; color: var(--color-accent); }

.home { max-width: 640px; margin: 0 auto; padding: 56px 0 80px; }
.toc-title { margin: 0; text-align: center; font-family: var(--font-heading); font-weight: 400; font-size: 30px; letter-spacing: 0.06em; }
.toc { list-style: none; margin: 32px 0 0; padding: 0; }
.toc li { border-bottom: 1px solid var(--color-divider); }
.toc a { display: flex; align-items: baseline; gap: 20px; padding: 14px 4px; text-decoration: none; color: var(--color-text); }
.toc a:hover { color: var(--color-accent-700); }
.toc .num { flex: 0 0 44px; font-family: var(--font-heading); font-size: 18px; color: var(--color-accent-700); font-feature-settings: "tnum" 1; }
.toc .num + span { flex: 1; font-family: var(--font-heading); font-size: 23px; line-height: 1.3; }

.chapter-layout { display: flex; flex-wrap: wrap; justify-content: center; gap: 48px 64px; padding: 56px 0 80px; }
.sidebar { flex: 0 1 220px; min-width: 200px; }
.label { margin: 0 0 12px; font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-accent-700); }
.sidebar ol { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--color-divider); }
.sidebar li { border-bottom: 1px solid var(--color-divider); }
.sidebar a { display: flex; gap: 12px; padding: 9px 0; text-decoration: none; font-family: var(--font-heading); font-size: 17px; line-height: 1.3; color: var(--color-text); }
.sidebar a:hover, .sidebar a[aria-current="page"] { color: var(--color-accent-700); }
.sidebar .num { flex: 0 0 30px; color: var(--color-accent-700); font-feature-settings: "tnum" 1; }

.chapter { flex: 1 1 420px; max-width: 640px; min-width: 0; }
.kicker { margin: 0; font-size: 13px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-accent-700); font-feature-settings: "tnum" 1; }
.chapter h1, .contact h1 { margin: 12px 0 0; font-family: var(--font-heading); font-weight: 400; font-size: clamp(36px, 5vw, 50px); line-height: 1.1; }
.short-rule { margin: 28px 0 32px; width: 72px; border: 0; border-top: 1px solid var(--color-accent); }
.short-rule.center { margin: 28px auto 40px; }
.prose p { margin: 0; font-size: 17px; line-height: 1.75; text-align: justify; hyphens: auto; }
.prose p + p { text-indent: 1.6em; }
.prose h2 { margin: 44px 0 14px; font-family: var(--font-heading); font-weight: 500; font-size: 26px; line-height: 1.25; }
.prose h2:first-child { margin-top: 0; }
.biblio { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--color-divider); }
.biblio li { padding: 16px 0 16px 1.6em; text-indent: -1.6em; border-bottom: 1px solid var(--color-divider); font-size: 16px; line-height: 1.7; }
.chapter .fleuron { margin-top: 48px; }
.pager { margin-top: 48px; border-top: 1px solid var(--color-divider); padding-top: 20px; display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.pager a { display: flex; flex-direction: column; gap: 4px; text-decoration: none; }
.pager .label { margin: 0; font-size: 12px; }
.pager .t { font-family: var(--font-heading); font-size: 20px; color: var(--color-text); }
.pager a:hover .t { color: var(--color-accent-700); }
.pager .next { text-align: right; margin-left: auto; }

.contact { max-width: 560px; margin: 0 auto; padding: 56px 0 80px; text-align: center; }
.contact h1 { margin: 0; }
.contact p { margin: 0; font-size: 17px; line-height: 1.75; }

.foot { padding-bottom: 40px; font-size: 14px; color: color-mix(in srgb, var(--color-text) 72%, transparent); }
.foot-inner { border-top: 1px solid var(--color-divider); padding-top: 20px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; }
.foot-links { display: flex; gap: 20px; }