/* Static library and book pages. Scoped so the existing reader is unaffected. */
.seo-page{margin:0;min-width:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Yu Gothic",sans-serif;line-height:1.85}
.seo-page *{box-sizing:border-box}
.seo-page header{position:static}
.seo-page .header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;max-width:1120px;margin:auto;padding:1rem 1.5rem}
.seo-page .brand{display:block;background:none;border:0;padding:0;line-height:1}
.seo-page .brand img{display:block;max-width:100%;height:auto}
.seo-page nav{display:flex;flex-wrap:wrap;gap:.35rem 1.2rem;justify-content:flex-end}
.seo-page nav a{color:var(--ink);font-size:.83rem;text-decoration:none;padding:.3rem 0;border-bottom:1px solid transparent}
.seo-page nav a:hover,.seo-page nav a[aria-current=page]{border-color:var(--accent)}
.seo-page .seo-shell{width:min(100% - 3rem,1060px);max-width:1060px;margin:0 auto;padding:1.75rem 0 4rem}
.seo-page .seo-breadcrumb{font-size:.74rem;color:var(--muted);display:flex;gap:.5rem;align-items:center;flex-wrap:wrap;margin:0 0 2.8rem}
.seo-page .seo-breadcrumb a{color:var(--muted);text-decoration:none}
.seo-page .seo-breadcrumb a:hover{text-decoration:underline}
.seo-page .seo-hero{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:3rem;align-items:center;margin-bottom:3rem;padding-bottom:3rem;border-bottom:1px solid var(--line)}
.seo-page .seo-kicker{font-size:.72rem;letter-spacing:.16em;color:var(--accent);margin:0 0 .65rem}
.seo-page h1{font-size:clamp(2rem,4.8vw,3.2rem);line-height:1.45;margin:0 0 .55rem;letter-spacing:.025em}
.seo-page .seo-title-en{font:italic 1.2rem/1.65 Georgia,serif;margin:0 0 1.15rem;color:var(--muted)}
.seo-page .seo-metadata{font-size:.83rem;color:var(--muted);display:flex;gap:.3rem 1rem;flex-wrap:wrap;margin:0 0 1.15rem}
.seo-page .seo-description{max-width:42rem;margin:0 0 1.4rem;font-size:.95rem}
.seo-page .seo-hero-art{width:240px;max-width:100%;height:auto;opacity:.9}
.seo-page .seo-primary{display:inline-flex;align-items:center;justify-content:center;gap:1rem;min-height:48px;padding:.65rem 1.4rem;background:var(--green);color:var(--paper);text-decoration:none;border-radius:4px;font-weight:600;font-size:.9rem}
.seo-page .seo-primary:hover{background:#173c32}
.seo-page .seo-action-note{font-size:.76rem;color:var(--muted);margin:.6rem 0 0}
.seo-page .seo-content{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:3rem;align-items:start}
.seo-page .seo-section{margin:0 0 2.8rem;min-width:0}
.seo-page h2{font-size:1.45rem;margin:0 0 1rem;line-height:1.6}
.seo-page h3{font-size:1.05rem;margin:0 0 .5rem}
.seo-page .seo-section-intro{font-size:.83rem;color:var(--muted);margin:0 0 1.2rem}
.seo-page .seo-excerpt{background:var(--paper);border:1px solid var(--line);border-radius:5px;padding:clamp(1rem,3vw,2rem);margin:0 0 1rem}
.seo-page .seo-excerpt-number{display:block;font-size:.65rem;letter-spacing:.14em;color:var(--accent);margin:0 0 .7rem}
.seo-page .seo-original{font:1.04rem/1.95 Georgia,"Times New Roman",serif;margin:0 0 1rem;overflow-wrap:anywhere}
.seo-page .seo-translation{font-size:.86rem;line-height:1.95;color:#565e50;padding-top:1rem;border-top:1px solid #e8e1d3;margin:0;overflow-wrap:anywhere}
.seo-page .seo-chapters{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.seo-page .seo-chapters li{margin:0;border-bottom:1px solid var(--line)}
.seo-page .seo-chapters a{display:block;padding:.65rem .2rem;text-decoration:none;color:var(--ink);font-size:.84rem}
.seo-page .seo-chapters a:hover{color:var(--accent);background:#eee9de}
.seo-page .seo-chapters span{display:block;font-size:.69rem;color:var(--muted);line-height:1.6}
.seo-page .seo-source{font-size:.8rem;line-height:1.9;background:#eee9de;border-left:2px solid var(--gold);padding:1rem 1.2rem}
.seo-page .seo-source p{margin:.4rem 0}
.seo-page .seo-related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.seo-page .seo-related a{display:block;min-width:0;border:1px solid var(--line);border-radius:4px;padding:1rem;text-decoration:none;color:var(--ink);background:var(--paper)}
.seo-page .seo-related strong{display:block;font-family:Georgia,"Yu Mincho",serif;font-weight:500;font-size:1rem;line-height:1.65}
.seo-page .seo-related small{display:block;margin-top:.35rem;font-size:.7rem;overflow-wrap:anywhere}
.seo-page footer{display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;border-top:1px solid var(--line);padding:1.5rem max(1.5rem,calc((100% - 1060px)/2));font-size:.75rem;background:var(--canvas)}
.seo-page footer a{color:var(--muted)}
.seo-page .seo-library-group{margin:2.6rem 0}
.seo-page .seo-library-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;list-style:none;padding:0;margin:1rem 0}
.seo-page .seo-library-list li{min-width:0;padding:1.2rem;border:1px solid var(--line);background:var(--paper);border-radius:4px}
.seo-page .seo-library-list a{color:var(--ink);font-family:Georgia,"Yu Mincho",serif;font-size:1.05rem}
.seo-page .seo-library-list small{display:block;font-size:.73rem;overflow-wrap:anywhere}
.seo-page .seo-status{display:inline-block;margin-top:.6rem;font-size:.68rem;letter-spacing:.03em;color:var(--accent)}
@media(max-width:760px){.seo-page .seo-hero{grid-template-columns:1fr;gap:1.5rem}.seo-page .seo-hero-art{display:none}.seo-page .seo-content{grid-template-columns:1fr;gap:0}.seo-page .seo-sidebar{border-top:1px solid var(--line);padding-top:1.5rem}.seo-page .seo-related,.seo-page .seo-library-list{grid-template-columns:repeat(2,minmax(0,1fr))}.seo-page .seo-breadcrumb{margin-bottom:1.7rem}}
@media(max-width:480px){.seo-page .header-inner{display:block;padding:1rem}.seo-page .brand img{width:180px}.seo-page nav{justify-content:flex-start;gap:.25rem 1rem;margin-top:.8rem}.seo-page .seo-shell{width:calc(100% - 2rem);padding-top:1.2rem}.seo-page .seo-hero{padding-bottom:2rem;margin-bottom:2rem}.seo-page .seo-related,.seo-page .seo-library-list{grid-template-columns:1fr}.seo-page .seo-original{font-size:1rem}.seo-page .seo-metadata{display:block}.seo-page .seo-metadata span{display:block}}