:root{--bg:#f7f8fa;--surface:#fff;--ink:#1b2430;--muted:#5a6676;--line:#dde2e9;--accent:#2a6f8f;--accent-ink:#fff;--note:#eaf2f6}
@media (prefers-color-scheme:dark){:root{--bg:#12171d;--surface:#1a2129;--ink:#e8edf2;--muted:#a3afbd;--line:#2c3641;--accent:#6bb4d3;--accent-ink:#0e1419;--note:#1d2a33}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
h1,h2,h3,h4,h5{font-family:Georgia,"Iowan Old Style",serif;line-height:1.25;margin:0 0 .6em;font-weight:600}
h2{font-size:2.1rem}h3{font-size:1.35rem;color:var(--muted);font-weight:500}h4{font-size:1.5rem;margin-top:2.6em;padding-top:1.2em;border-top:1px solid var(--line)}
h5{font-family:system-ui,sans-serif;font-size:.9rem;font-weight:400;color:var(--muted);margin:.5em 0 2em}
a{color:var(--accent)}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
header.site{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem clamp(1rem,4vw,3rem);border-bottom:1px solid var(--line);background:var(--surface);flex-wrap:wrap}
header.site img{height:44px;width:auto;display:block}
nav ul{display:flex;gap:1.6rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
nav a{color:var(--ink);text-decoration:none;padding:.3rem 0;border-bottom:2px solid transparent}
nav a:hover,nav a[aria-current=page]{border-color:var(--accent)}
main{max-width:760px;margin:0 auto;padding:3rem clamp(1rem,4vw,2rem) 5rem}
main.wide{max-width:1000px}
figure{margin:2rem 0}figure img{max-width:100%;height:auto;border-radius:6px;border:1px solid var(--line);display:block;margin:0 auto}
figcaption{font-size:.85rem;color:var(--muted);margin-top:.6rem;text-align:center}
.hero{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;max-width:1000px}
.hero img{max-width:100%;height:auto}
@media(max-width:760px){.hero{grid-template-columns:1fr}}
.why{background:var(--note);border-left:4px solid var(--accent);padding:.8rem 1.1rem;margin:1.4rem 0;border-radius:0 6px 6px 0}
.why p{margin:.4em 0}
.meta{color:var(--muted);font-size:.95rem}
.kw,.disc{font-size:.92rem;color:var(--muted)}
.cards{display:grid;gap:2rem}
.card{display:grid;grid-template-columns:1fr 1.2fr;gap:1.6rem;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:1.2rem}
.card img{width:100%;height:auto;border-radius:6px}
.card dl{margin:0;font-size:.95rem}.card dt{font-weight:600;display:inline}.card dd{display:inline;margin:0}.card .row{margin:.25rem 0}
@media(max-width:760px){.card{grid-template-columns:1fr}}
form{display:grid;gap:1rem;margin-top:1rem}
label{display:grid;gap:.3rem;font-size:.95rem}
input,textarea{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:.65rem .8rem}
button{font:inherit;background:var(--accent);color:var(--accent-ink);border:0;border-radius:6px;padding:.7rem 1.4rem;cursor:pointer;justify-self:start}
.msg{display:none;padding:.8rem 1rem;border-radius:6px;background:var(--note)}
footer{border-top:1px solid var(--line);padding:1.5rem;text-align:center;color:var(--muted);font-size:.9rem}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}