:root{--navy:#17243b;--navy-2:#243653;--orange:#df5b3f;--paper:#fff;--canvas:#f4f6f8;--ink:#1d2735;--muted:#627083;--line:#d8dee6;--max:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--canvas);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;line-height:1.75}a{color:inherit}button,input{font:inherit}.global-header{min-height:68px;padding:0 max(20px,calc((100% - var(--max))/2));display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--navy);color:#fff}.global-brand{font-size:1.45rem;font-weight:800;text-decoration:none}.global-header nav{display:flex;gap:22px;flex-wrap:wrap}.global-header nav a{text-decoration:none;font-size:.92rem}.hub-hero,.theme-directory,.book-entry,.theme-page,.document-page,.not-found{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.hub-hero{padding:76px 0 52px;display:grid;grid-template-columns:minmax(0,1fr) 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48px}.theme-directory>header{display:flex;justify-content:space-between;align-items:end;gap:24px;border-bottom:1px solid var(--line);padding-bottom:20px}.theme-directory h2{margin:0;font-size:1.7rem}.theme-directory header p{margin:0;color:var(--muted)}.theme-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:28px}.theme-card{padding:25px 0;border-bottom:1px solid var(--line)}.theme-card h2{font-size:1.08rem;line-height:1.45;margin:0}.theme-card h2 a{text-decoration-color:var(--orange);text-underline-offset:4px}.theme-card p{margin:8px 0;color:var(--muted)}.theme-card span{font-size:.82rem;color:var(--navy-2)}.book-entry{margin-top:50px;margin-bottom:70px;padding:34px 38px;background:var(--navy);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px}.book-entry h2{margin:0}.book-entry p{margin:8px 0 0}.book-entry>a{background:var(--orange);padding:13px 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0}.global-footer__inner>p:first-child{display:flex;gap:18px;align-items:baseline}.global-footer__inner p{margin:8px 0}.global-footer__inner span,.global-footer__inner>p:last-child{color:#c9d1dc;font-size:.88rem}.global-footer nav{display:flex;gap:18px;flex-wrap:wrap;margin:18px 0}.global-footer a{text-underline-offset:4px}[hidden]{display:none!important}@media(max-width:860px){.hub-hero{grid-template-columns:1fr}.theme-search,.search-result{grid-column:1;grid-row:auto}.theme-grid{grid-template-columns:repeat(2,1fr)}.theme-columns{gap:30px}.global-header{align-items:flex-start;padding-block:16px}}@media(max-width:620px){.global-header{display:block}.global-header nav{margin-top:10px;gap:13px}.hub-hero,.theme-directory,.book-entry,.theme-page,.document-page,.not-found{width:min(100% - 24px,var(--max))}.hub-hero{padding-top:44px}.hub-hero h1{font-size:2.35rem}.theme-directory{padding:24px 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