/* Reading extensions inherit the established collection system. */
.completion-guide section{display:grid;grid-template-columns:minmax(200px,1fr) minmax(0,1.5fr);gap:2rem;padding:2rem 0;border-top:1px solid var(--line,#c9cfca)}.completion-guide h2{margin:0;font-size:clamp(1.4rem,2.6vw,2.2rem)}.completion-guide p{margin-top:0;max-width:70ch}.completion-paths,.reading-topics{display:flex;flex-wrap:wrap;gap:.7rem 1.4rem;margin:1.5rem 0 2.5rem}.completion-paths a,.reading-topics a{padding:.35rem 0}.completion-reading{margin:3rem auto;padding:2rem 0;border-block:1px solid currentColor;max-width:1100px;width:calc(100% - 48px)}.completion-reading h2{font-size:clamp(1.6rem,3vw,2.4rem);margin:0 0 1rem;line-height:1.2}.completion-reading p{max-width:70ch}.completion-reading a{color:inherit;text-decoration:underline;text-underline-offset:.22em}.completion-reading a:focus-visible{outline:3px solid currentColor;outline-offset:4px}.completion-reading *{overflow-wrap:anywhere}.underground-intro{padding:3rem 0 1.5rem;max-width:78ch}.underground-intro h1{font-size:clamp(2.2rem,5vw,4.5rem);line-height:1.05;text-wrap:balance}.underground-map{margin:1rem 0 3rem}.underground-map img{width:100%;height:auto}.underground-object{margin:4rem 0;padding-top:2rem;border-top:1px solid var(--line,#c9cfca)}.underground-object h2{max-width:25ch;font-size:clamp(1.8rem,3.5vw,3rem)}.underground-object>figure{margin:1.5rem 0 2rem}.underground-object>figure img{max-height:36rem;width:100%;object-fit:contain;background:var(--paper,#f7f4ec)}.underground-object>p,.underground-object>ol,.underground-object>dl,.underground-object details,.underground-method{max-width:75ch}.underground-object h3{margin-top:2rem}.underground-object li{margin:.6rem 0}.meaning-questions{display:grid;grid-template-columns:9rem 1fr;gap:.8rem 1.5rem}.meaning-questions dt{font-weight:750}.meaning-questions dd{margin:0}.underground-object .button{display:inline-block;border-bottom:1px solid currentColor;padding:.5rem 0;font-weight:700}.underground-method{margin:3rem 0}.underground-map figcaption,.underground-object figcaption{font-size:.875rem;line-height:1.6;max-width:75ch}.reading{scroll-margin-top:1.5rem}.completion-download{margin-top:3rem}@media(max-width:650px){.completion-guide section{grid-template-columns:minmax(0,1fr);gap:.8rem}.meaning-questions{grid-template-columns:minmax(0,1fr);gap:.3rem}.meaning-questions dd{margin-bottom:1rem}.completion-reading{width:calc(100% - 36px)}}
.archive-document img{height:auto;max-height:46rem;object-fit:contain;background:var(--paper,#f7f4ec)}.archive-overview{margin:2rem 0}.archive-overview figcaption{font-size:.875rem;line-height:1.6}.archive-chronology{padding-inline-start:1.4rem}.archive-chronology li+li{margin-top:.65rem}.archive-method{padding-inline-start:1.5rem;max-width:70ch}.archive-method li{margin-bottom:1.5rem}