:root{--accent: #e8a33d;--accent-deep: #c97f1f;--link: #a8621a;--ink: #1e2530;--sub: #6b7280;--line: #e6e8ea;--bg: #ffffff;--bg-soft: #fbf3e8;color-scheme:light}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,Segoe UI,sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;text-size-adjust:100%}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.container{width:100%;max-width:760px;margin:0 auto;padding:0 18px}.site-header{border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:10}.site-header .inner{display:flex;align-items:baseline;gap:12px;max-width:760px;margin:0 auto;padding:16px 18px}.brand,.brand-sm{font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}.brand .mark,.brand-sm .mark{background:var(--accent);color:var(--ink);padding:0 .18em;border-radius:4px;margin-left:2px}.tagline{font-size:12px;color:var(--sub)}@media(max-width:560px){.tagline{display:none}.site-header .inner{padding:11px 18px}}.hero{padding:40px 0 8px}.hero h1{font-size:30px;line-height:1.35;letter-spacing:-.01em;margin:0 0 10px}.hero h1 .hl{background:linear-gradient(transparent 62%,var(--accent) 62%);padding:0 .05em}.hero p{font-size:15px;color:var(--sub);margin:0;max-width:44em}.section-label{font-size:13px;font-weight:800;color:var(--sub);letter-spacing:.04em;margin:34px 0 10px;text-transform:uppercase}.feed{display:flex;flex-direction:column;gap:14px}.post-card{display:flex;gap:14px;padding:14px;border:1px solid var(--line);border-radius:12px;transition:box-shadow .15s,border-color .15s}.post-card:hover{box-shadow:0 8px 18px #14161a12;border-color:#d3d6da}.post-thumb{flex:0 0 auto;width:120px;height:80px;border-radius:8px;overflow:hidden;background:var(--bg-soft)}.post-thumb img{width:100%;height:100%;object-fit:cover}.post-body{display:flex;flex-direction:column;gap:4px;min-width:0}.card-cat{font-size:11px;font-weight:800;color:var(--link)}.card-title{font-size:16px;font-weight:800;color:var(--ink)}.card-excerpt{font-size:13px;color:var(--sub);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.card-date{font-size:11px;color:var(--sub)}.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding:4px 0 6px}@media(max-width:640px){.cat-grid{grid-template-columns:1fr 1fr;gap:10px}}@media(max-width:400px){.cat-grid{grid-template-columns:1fr}}.cat-card{display:flex;flex-direction:column;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:15px 16px;transition:transform .15s,box-shadow .15s,border-color .15s}.cat-card:hover{transform:translateY(-2px);box-shadow:0 8px 18px #14161a12;border-color:#d3d6da}.cat-card-name{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:6px}.cat-card-desc{font-size:12px;color:var(--sub);margin:0 0 10px;flex:1}.cat-card-go{font-size:12px;font-weight:800;color:var(--link)}.cat-head{padding:24px 0 10px}.cat-title{font-size:24px;margin:6px 0 8px}.cat-title .hl{background:linear-gradient(transparent 62%,var(--accent) 62%);padding:0 .05em}.cat-desc{font-size:14px;color:var(--sub);margin:0}.back-link{font-size:13px;color:var(--sub)}.crumbs{display:flex;gap:6px;font-size:12px;color:var(--sub);padding:16px 0 0;flex-wrap:wrap}.crumbs a{color:var(--link)}.crumbs-cur{color:var(--sub)}.article{padding:8px 0 60px}.article h1{font-size:26px;line-height:1.4;margin:10px 0 12px}.meta{display:flex;flex-direction:column;gap:2px;font-size:12px;color:var(--sub);margin-bottom:18px}.byline{color:var(--link);font-weight:700}.article-hero{margin:0 0 20px}.article-hero img{border-radius:10px;width:100%}.article-hero figcaption{font-size:11px;color:var(--sub);margin-top:6px}.prose{font-size:16px}.prose h2{font-size:20px;margin:34px 0 12px;padding-top:10px;border-top:1px solid var(--line)}.prose h3{font-size:17px;margin:26px 0 10px}.prose table{border-collapse:collapse;width:100%;font-size:14px}.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left}.table-scroll{overflow:hidden;position:relative;margin:18px 0}.table-scroll-inner{overflow-x:auto}.faq{margin-top:40px;padding-top:20px;border-top:1px solid var(--line)}.faq-list{margin:0}.faq-item{margin:0 0 18px}.faq-q{font-weight:800;color:var(--ink);margin-bottom:4px}.faq-a{margin:0;color:var(--sub)}.site-footer{border-top:1px solid var(--line);margin-top:60px;background:var(--bg-soft)}.site-footer .inner{max-width:760px;margin:0 auto;padding:30px 18px 40px;display:flex;flex-direction:column;gap:10px;font-size:13px;color:var(--sub)}.foot-cats,.foot-links{display:flex;flex-wrap:wrap;gap:12px}.foot-cats a,.foot-links a{color:var(--sub)}.foot-cats a:hover,.foot-links a:hover{color:var(--link)}.copy{font-size:12px;color:var(--sub);margin-top:6px}