@import url('https://fonts.googleapis.com/css2?family=Noto+Sans:wght@400;500;600;700&family=Noto+Serif:wght@600;700&display=swap');
:root{--bg:#FBF9F6;--ink:#1C1A19;--muted:#5E5853;--line:#EAE3DC;--accent:#98302C;--accent-dark:#7C211E;--gold:#A9802F}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans',system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);line-height:1.72;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Noto Serif',Georgia,serif;line-height:1.22;letter-spacing:-.01em}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:760px;margin:0 auto;padding:0 24px}
header{position:sticky;top:0;background:rgba(251,249,246,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);z-index:10}
.nav{max-width:980px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:18px;height:64px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem;color:var(--ink)}
.brand b{font-family:'Noto Serif',serif}
.seal{width:32px;height:32px;border-radius:7px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:1.1rem}
.nav .sp{margin-left:auto;display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.nav .sp a{color:var(--muted);font-weight:500;font-size:.94rem}
.nav .sp a:hover{color:var(--accent);text-decoration:none}
.btn{background:var(--accent);color:#fff;font-weight:600;padding:9px 16px;border-radius:8px;font-size:.9rem;display:inline-block}
.btn:hover{background:var(--accent-dark);text-decoration:none}
main{padding:48px 0 40px}
.crumb{font-size:.85rem;color:var(--muted);margin-bottom:18px}
h1{font-size:2.2rem;margin-bottom:16px}
.lead{font-size:1.18rem;color:var(--muted);margin-bottom:28px}
article h2{font-size:1.4rem;margin:34px 0 12px;color:var(--ink)}
article h3{font-size:1.1rem;margin:22px 0 8px}
article p{margin-bottom:14px}
article ul{margin:0 0 16px 22px}
article li{margin-bottom:7px}
.note{background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:0 10px 10px 0;padding:16px 20px;margin:20px 0;color:var(--muted);font-size:.97rem}
.cta{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;margin:34px 0;text-align:center}
.cta h3{font-size:1.25rem;margin-bottom:8px}
.cta p{color:var(--muted);margin-bottom:16px}
.faq{margin-top:30px}
.faq h2{margin-bottom:14px}
.faq details{border:1px solid var(--line);border-radius:10px;background:#fff;margin-bottom:10px}
.faq summary{cursor:pointer;padding:15px 18px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:1.3rem}
.faq details[open] summary::after{content:"\2212"}
.faq .a{padding:0 18px 16px;color:var(--muted)}
.related{border-top:1px solid var(--line);margin-top:40px;padding-top:24px}
.related h2{font-size:1.1rem;margin-bottom:12px}
.related a{display:block;margin-bottom:8px}
footer{background:#1C1A19;color:#B9B2AB;padding:30px 0;margin-top:30px;font-size:.86rem}
footer .wrap{max-width:980px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:#E7B7B4}
@media(max-width:640px){h1{font-size:1.7rem}.nav{height:auto;padding:12px 24px}}