:root{
  --ink:#1c2531; --paper:#faf9f6; --card:#ffffff; --line:#e4e1d8;
  --muted:#5c6675; --accent:#1f7a48; --accent-soft:#e7f3ec;
  --warn-bg:#f6f1e3; --warn-line:#c9a227;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Hiragino Kaku Gothic ProN",Meiryo,Verdana,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:17px}
a{color:var(--accent)}
.container{max-width:760px;margin:0 auto;padding:0 20px}
header.site{border-bottom:1px solid var(--line);background:var(--card)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:12px;flex-wrap:wrap}
.brand{font-weight:700;font-size:1.05rem;color:var(--ink);text-decoration:none;display:flex;gap:10px;align-items:center}
.brand svg{display:block}
.navlinks a{margin-left:18px;color:var(--muted);text-decoration:none;font-size:.95rem}
.navlinks a:hover{color:var(--accent)}
.hero{padding:56px 0 32px}
.hero h1{font-size:2.2rem;line-height:1.25;margin:0 0 14px;letter-spacing:-.01em}
.hero p.sub{font-size:1.13rem;color:var(--muted);margin:0}
.author-card{display:flex;gap:18px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin:30px 0}
.avatar{flex:0 0 76px}
.author-card h3{margin:0 0 4px;font-size:1.05rem}
.author-card p{margin:0 0 6px;color:var(--muted);font-size:.95rem}
h2{font-size:1.45rem;margin:44px 0 14px;letter-spacing:-.01em}
h3{font-size:1.12rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin:14px 0}
.card h3{margin:0 0 6px;font-size:1.05rem}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.disclosure{background:var(--warn-bg);border-left:4px solid var(--warn-line);border-radius:6px;padding:12px 16px;font-size:.92rem;color:#57502f;margin:28px 0}
.cta{background:var(--accent-soft);border:1px solid #bfe0cd;border-radius:10px;padding:18px 20px;margin:34px 0}
.cta h3{margin-top:0}
.cta ul{margin:10px 0;padding-left:22px}
table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.95rem;display:block;overflow-x:auto}
th,td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
th{background:var(--card)}
tr:nth-child(even) td{background:#fbfaf7}
.meta{color:var(--muted);font-size:.9rem;margin-bottom:10px}
.badge{display:inline-block;background:var(--accent-soft);color:var(--accent);font-size:.75rem;font-weight:600;padding:2px 9px;border-radius:999px;margin-right:6px}
.soon{opacity:.8}
ul.checklist{padding-left:22px}
ul.checklist li{margin:6px 0}
footer.site{border-top:1px solid var(--line);margin-top:60px;padding:28px 0 40px;color:var(--muted);font-size:.88rem}
footer.site a{color:var(--muted)}
footer.site .links{margin-bottom:8px}
@media(max-width:600px){.hero h1{font-size:1.7rem}.author-card{flex-direction:column}.navlinks a{margin-left:12px}}