:root{--bg:#F6F7F9;--card:#FFFFFF;--ink:#14181F;--muted:#5A6270;--line:#DDE1E7;--accent:#1F6F4A;--accent-ink:#FFFFFF;--warn:#8A5A00}
@media (prefers-color-scheme:dark){:root{--bg:#0F1216;--card:#171B21;--ink:#E8EBEF;--muted:#9AA3AF;--line:#262C35;--accent:#4CC38A;--accent-ink:#0F1216;--warn:#E0B25A}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Source Sans 3",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:18px;line-height:1.65}
.wrap{max-width:760px;margin:0 auto;padding-left:max(18px,env(safe-area-inset-left,0px));padding-right:max(18px,env(safe-area-inset-right,0px))}
header{border-bottom:1px solid var(--line);background:var(--card)}
header .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-block:14px;flex-wrap:wrap}
.logo{font-family:"Literata",Georgia,serif;font-weight:700;font-size:20px;text-decoration:none;color:var(--ink)}
.logo span{color:var(--accent)}
nav a{color:var(--muted);text-decoration:none;font-size:15px;margin-left:16px}
nav a:hover{color:var(--ink)}
h1,h2,h3{font-family:"Literata",Georgia,serif;line-height:1.2;text-wrap:balance}
h1{font-size:clamp(30px,5vw,42px);margin:32px 0 12px}
h2{font-size:26px;margin:36px 0 10px}
h3{font-size:20px;margin:0 0 6px}
p{margin:0 0 16px}
.meta{color:var(--muted);font-size:15px;margin-bottom:24px}
.note{font-size:14px;color:var(--muted);border:1px solid var(--line);border-radius:8px;padding:10px 14px;background:var(--card)}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:16px 0 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;min-width:0}
.card p{margin:0;color:var(--muted);font-size:16px}
.table-box{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--card);margin:16px 0 24px}
table{border-collapse:collapse;width:100%;font-size:16px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:14px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
tr:last-child td{border-bottom:0}
.cta-box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;margin:28px 0;display:flex;flex-direction:column;gap:12px}
.btn{display:inline-block;align-self:flex-start;background:var(--accent);color:var(--accent-ink);text-decoration:none;font-weight:700;padding:14px 22px;border-radius:10px}
.btn:hover{filter:brightness(1.08)}
a{color:var(--accent)}
a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
ul{padding-left:22px;margin:0 0 16px}
footer{border-top:1px solid var(--line);margin-top:48px;color:var(--muted);font-size:14px}
footer .wrap{padding-block:22px;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}
@media (max-width:620px){table{font-size:14px}th,td{padding:10px 8px}.cards{grid-template-columns:minmax(0,1fr)}nav a{margin-left:0;margin-right:14px}}