:root{--bg:#f7f7f5;--paper:#ffffff;--ink:#1f2328;--muted:#5b6470;--line:#e3e6ea;--accent:#0f6b5c;--accent-ink:#ffffff;--warn:#8a5a00;--warn-bg:#fff7e0;--radius:12px;--max:44rem}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP",Meiryo,sans-serif;font-size:1rem;line-height:1.85;letter-spacing:.01em}
a{color:var(--accent)}img{max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1rem}
.pr{background:var(--warn-bg);color:var(--warn);font-size:.8rem;text-align:center;padding:.4rem 1rem}
header.site{background:var(--paper);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;min-height:3.25rem;gap:1rem;flex-wrap:wrap}
.brand{font-weight:700;text-decoration:none;color:var(--ink);font-size:1rem}
nav.top a{font-size:.85rem;margin-left:.9rem;color:var(--muted);text-decoration:none}
.hero{padding:2rem 0 1.25rem}
.hero h1{font-size:clamp(1.35rem,4.5vw,1.9rem);line-height:1.45;margin:0 0 .75rem}
.hero p.lead{margin:0 0 .5rem;color:var(--muted)}
.byline{font-size:.85rem;color:var(--muted)}
.toc{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:.9rem 1rem;margin:1rem 0 1.5rem}
.toc ol{margin:.25rem 0 0 1.1rem;padding:0}.toc li{margin:.15rem 0}
section.theme{margin:2rem 0}
section.theme h2{font-size:1.25rem;border-left:5px solid var(--accent);padding-left:.6rem;margin:0 0 .5rem}
section.theme p.intro{margin:.25rem 0 1rem;color:var(--muted)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1rem 1.1rem;margin:0 0 .9rem}
.card h3{margin:0 0 .35rem;font-size:1.05rem}
.card .tag{display:inline-block;font-size:.72rem;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:0 .5rem;margin-left:.4rem;vertical-align:middle}
.card p{margin:.3rem 0}
.card ul{margin:.4rem 0 .5rem 1.1rem;padding:0}.card li{margin:.15rem 0}
.card .caveat{font-size:.85rem;color:var(--muted)}
.cta{display:inline-block;background:var(--accent);color:var(--accent-ink);text-decoration:none;font-weight:700;padding:.65rem 1.1rem;border-radius:8px;margin-top:.5rem;min-height:44px;line-height:1.4}
.cta:focus-visible{outline:3px solid #ffbf47;outline-offset:2px}
.cta.disabled{background:#9aa3ad;pointer-events:none}
.note{background:var(--paper);border:1px dashed var(--line);border-radius:var(--radius);padding:.9rem 1rem;margin:1.5rem 0;font-size:.92rem}
.note strong{color:var(--accent)}
.fill{background:#fff3f3;border:1px dashed #d99;color:#a33;padding:.1rem .35rem;border-radius:4px;font-size:.85em}
footer.site{border-top:1px solid var(--line);margin-top:3rem;padding:1.5rem 0 2.5rem;font-size:.85rem;color:var(--muted)}
footer.site a{color:var(--muted)}
footer.site .links a{margin-right:1rem}
.draft-ribbon{position:fixed;top:0;right:0;background:#c0392b;color:#fff;font-size:.75rem;padding:.2rem .8rem;z-index:9;border-bottom-left-radius:6px}
@media (max-width:360px){nav.top a{margin-left:.6rem}}

.artlist{list-style:none;margin:0;padding:0}.artlist li{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:.8rem 1rem;margin:0 0 .7rem}
.artlist a{font-weight:700;text-decoration:none}.artlist .date{font-size:.78rem;color:var(--muted);margin-left:.6rem}.artlist p{margin:.25rem 0 0;font-size:.9rem;color:var(--muted)}
.post .post-body h2{font-size:1.2rem;border-left:5px solid var(--accent);padding-left:.6rem;margin:1.6rem 0 .5rem}
.post .post-body h3{font-size:1.05rem;margin:1.2rem 0 .3rem}.post .post-body p{margin:.6rem 0}.post .post-body ul,.post .post-body ol{margin:.5rem 0 .8rem 1.2rem;padding:0}