:root{--max-width:720px;--font-sans:ui-sans-serif, system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--bg:#f0f7ec;--surface:#fff;--text:#1f2a22;--text-muted:#5a6b5f;--border:#d8e6d2;--accent:#2b8a3e;--accent-soft:#e6f4e6}@media (prefers-color-scheme:dark){:root{--bg:#121a14;--surface:#19231b;--text:#e6ece6;--text-muted:#9aa89d;--border:#29352b;--accent:#7bd18a;--accent-soft:#1b271d}}*{box-sizing:border-box}html{color-scheme:light dark}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-size:16px;line-height:1.75}.container{max-width:var(--max-width);margin:0 auto;padding:0 1.25rem}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{font-weight:700;line-height:1.35}hr{border:none;border-top:1px solid var(--border);margin:2.5rem 0}code{font-family:var(--font-mono);font-size:.9em}:not(pre)>code{background:var(--accent-soft);border-radius:4px;padding:.15em .4em}pre{border:1px solid var(--border);border-radius:10px;padding:1rem 1.15rem;font-size:.9rem;line-height:1.6;overflow-x:auto}@media (prefers-color-scheme:dark){.astro-code,.astro-code span{color:var(--shiki-dark)!important;background-color:var(--shiki-dark-bg)!important}}img{max-width:100%;height:auto}blockquote{border-left:3px solid var(--accent);color:var(--text-muted);margin:1.5rem 0;padding:.2rem 1.1rem}.site-header{border-bottom:1px solid var(--border);margin-bottom:2.5rem;padding:1.1rem 0}.site-header .inner{justify-content:space-between;align-items:baseline;gap:1rem;display:flex}.site-header .brand{color:var(--text);letter-spacing:-.01em;font-size:1.15rem;font-weight:800}.site-header nav{gap:1.25rem;display:flex}.site-header nav a{color:var(--text-muted);font-size:.95rem}.site-header nav a:hover{color:var(--accent);text-decoration:none}.site-footer{border-top:1px solid var(--border);color:var(--text-muted);margin-top:4rem;padding:2rem 0;font-size:.875rem}.profile{align-items:center;gap:1.25rem;margin-bottom:1rem;display:flex}.profile .avatar{object-fit:cover;border:1px solid var(--border);border-radius:50%;flex-shrink:0;width:72px;height:72px}.profile h1{margin:0;font-size:1.6rem}.profile .tagline{color:var(--text-muted);margin:.15rem 0 0}.profile .bio{color:var(--text);margin:.75rem 0 1rem}.social{flex-wrap:wrap;gap:.6rem;display:flex}.social a{border:1px solid var(--border);color:var(--text-muted);border-radius:999px;align-items:center;gap:.4rem;padding:.3rem .75rem;font-size:.875rem;display:inline-flex}.social a:hover{color:var(--accent);border-color:var(--accent);text-decoration:none}.social-icon{width:1.05rem;height:1.05rem}.section{margin-top:3rem}.section>h2{align-items:center;gap:.5rem;margin:0 0 1.1rem;font-size:1.15rem;display:flex}.section>h2 .count{color:var(--text-muted);font-size:.8rem;font-weight:500}.section>h2 .sec-icon{width:1.2em;height:1.2em;color:var(--accent);stroke-width:2px;flex-shrink:0}.book-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.9rem;display:grid}.book{border:1px solid var(--border);background:var(--surface);border-radius:10px;gap:.85rem;padding:.85rem;display:flex}.book:hover{border-color:var(--accent)}.book .cover{object-fit:cover;border-radius:4px;flex-shrink:0;width:48px;height:68px}.book .cover-fallback{color:#fff;background:linear-gradient(135deg,#66bb6a,#2b8a3e);border-radius:4px;flex-shrink:0;place-items:center;width:48px;height:68px;font-weight:700;display:grid}.book .meta{min-width:0}.book .title{margin:0;font-size:.95rem;font-weight:600;line-height:1.4}.book .author{color:var(--text-muted);margin:.15rem 0 0;font-size:.8rem}.book .note{color:var(--text-muted);margin:.35rem 0 0;font-size:.8rem}.post-list{margin:0;padding:0;list-style:none}.post-list li{border-bottom:1px solid var(--border);padding:.9rem 0}.post-list li:first-child{padding-top:0}.post-list a{color:var(--text);font-weight:600}.post-list a:hover{color:var(--accent)}.post-list time{color:var(--text-muted);font-variant-numeric:tabular-nums;margin-bottom:.15rem;font-size:.8rem;display:block}.post-list .desc{color:var(--text-muted);margin:.2rem 0 0;font-size:.9rem}.tags{flex-wrap:wrap;gap:.4rem;margin-top:.4rem;display:flex}.tags .tag{color:var(--text-muted);background:var(--accent-soft);border-radius:999px;padding:.1rem .5rem;font-size:.75rem}.article header{margin-bottom:2rem}.article h1{margin:0 0 .5rem;font-size:1.9rem}.article .post-meta{color:var(--text-muted);font-size:.875rem}.article :is(h2,h3){margin-top:2rem}.back-link{color:var(--text-muted);margin-bottom:1.5rem;font-size:.9rem;display:inline-block}