:root{--bg:#f8fafc;--surface:#fff;--text:#172033;--muted:#5c667a;--primary:#4338ca;--primary-dark:#312e81;--border:#dce1e9;--accent:#eef2ff;--shadow:0 12px 30px #17203314;--radius:18px;color:var(--text);background:var(--bg);font-synthesis:none;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);margin:0;line-height:1.75}img{max-width:100%;height:auto;display:block}a{color:var(--primary);text-underline-offset:.2em}a:hover{color:var(--primary-dark)}:focus-visible{outline-offset:3px;outline:3px solid #f59e0b}h1,h2,h3{letter-spacing:.01em;line-height:1.35}.container{width:min(1120px,100% - 40px);margin-inline:auto}.narrow{max-width:820px}.skip-link{z-index:20;color:#fff;background:var(--primary-dark);border-radius:8px;padding:10px 16px;position:fixed;top:10px;left:10px;transform:translateY(-150%)}.skip-link:focus{transform:none}.site-header{z-index:10;backdrop-filter:blur(12px);background:#ffffffed;border-bottom:1px solid #dce1e9e6;position:sticky;top:0}.header-inner,.footer-inner{justify-content:space-between;align-items:center;gap:24px;min-height:70px;display:flex}.site-logo{color:var(--text);font-size:1.2rem;font-weight:800;text-decoration:none}nav{gap:24px;display:flex}nav a{color:var(--text);font-size:.95rem;font-weight:700;text-decoration:none}.site-footer{border-top:1px solid var(--border);background:var(--surface);margin-top:80px}.site-footer p{margin:0}.hero{color:#fff;background:linear-gradient(135deg,#172554,#4338ca 65%,#7c3aed);padding:clamp(72px,10vw,130px) 0}.hero h1{max-width:800px;margin:8px 0 12px;font-size:clamp(2.5rem,8vw,5.5rem)}.hero p:not(.eyebrow){color:#e0e7ff;max-width:680px;margin:0;font-size:clamp(1rem,2.5vw,1.25rem)}.eyebrow{color:var(--primary);letter-spacing:.18em;margin:0 0 8px;font-size:.78rem;font-weight:800}.hero .eyebrow{color:#c7d2fe}.page-section{padding-block:clamp(52px,8vw,88px)}.page-header{margin-bottom:38px}.page-header h1{margin:0;font-size:clamp(2rem,6vw,3.5rem)}.page-header p:last-child{color:var(--muted)}.section-heading{justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px;display:flex}.section-heading h2{margin:0;font-size:clamp(1.6rem,4vw,2.2rem)}.post-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;display:grid}.post-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);overflow:hidden}.post-card-image{aspect-ratio:1200/630;background:var(--accent);display:block;overflow:hidden}.post-card-image img{object-fit:cover;width:100%;height:100%;transition:transform .25s}.post-card:hover .post-card-image img{transform:scale(1.025)}.post-card-body{padding:24px}.post-card h2{margin:14px 0 8px;font-size:clamp(1.2rem,3vw,1.5rem)}.post-card h2 a{color:var(--text);text-decoration:none}.post-card-body>p{color:var(--muted);margin:0}.post-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:.82rem;display:flex}.pill{background:var(--accent);border-radius:999px;padding:2px 10px;font-weight:700;text-decoration:none}.tag-list{flex-wrap:wrap;gap:8px 14px;margin:12px 0 0;padding:0;list-style:none;display:flex}.tag-list a{font-size:.88rem;text-decoration:none}.taxonomy-panels{grid-template-columns:1fr 1fr;gap:50px;margin-top:70px;display:grid}.taxonomy-list{border-top:1px solid var(--border);margin:0;padding:0;list-style:none}.taxonomy-list a{border-bottom:1px solid var(--border);color:var(--text);justify-content:space-between;padding:14px 4px;font-weight:700;text-decoration:none;display:flex}.taxonomy-list span{color:var(--muted);font-size:.9rem;font-weight:400}.taxonomy-list.large a{padding:20px 6px;font-size:1.1rem}.tag-cloud{flex-wrap:wrap;gap:10px;display:flex}.tag-cloud a{background:var(--accent);border:1px solid #c7d2fe;border-radius:999px;padding:7px 13px;text-decoration:none}.tag-cloud.large a{padding:10px 16px;font-size:1.05rem}.post-detail{max-width:860px;padding-top:clamp(48px,8vw,84px)}.post-header h1{margin:12px 0;font-size:clamp(2rem,6vw,3.6rem)}.lead{color:var(--muted);font-size:clamp(1rem,2.4vw,1.2rem)}.post-eyecatch{border-radius:var(--radius);aspect-ratio:1200/630;object-fit:cover;width:100%;box-shadow:var(--shadow);margin-top:34px}.draft-label{color:#991b1b;background:#fee2e2;border-radius:6px;margin:0;padding:4px 12px;font-weight:800;display:inline-block}.prose{overflow-wrap:anywhere;max-width:720px;margin:56px auto 0;font-size:1.05rem}.prose h2{border-bottom:2px solid var(--border);margin:2.5em 0 .8em;padding-bottom:.35em;font-size:1.7rem}.prose h3{margin-top:2em;font-size:1.3rem}.prose pre{color:#e2e8f0;background:#172033;border-radius:12px;padding:20px;overflow-x:auto}.prose :not(pre)>code{background:#e8eaf0;border-radius:4px;padding:.15em .35em;font-size:.9em}.prose blockquote{border-left:4px solid var(--primary);color:var(--muted);margin-inline:0;padding-left:20px}.empty-state{text-align:center;min-height:60vh;padding-block:100px}.empty-state h1{font-size:clamp(2rem,7vw,4rem)}.button{color:#fff;background:var(--primary);border-radius:10px;margin-top:20px;padding:11px 20px;font-weight:700;text-decoration:none;display:inline-block}.button:hover{color:#fff;background:var(--primary-dark)}@media (width<=720px){.container{width:min(100% - 28px,1120px)}.header-inner{min-height:62px}nav{gap:14px}nav a{font-size:.85rem}.post-grid,.taxonomy-panels{grid-template-columns:1fr}.taxonomy-panels{gap:30px}.section-heading{flex-direction:column;align-items:start}.post-card-body{padding:20px}.footer-inner{flex-direction:column;justify-content:center;align-items:start;gap:4px;padding-block:18px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important}}