:root{--bg:#f5f6f1;--ink:#17281f;--mut:#5d7079;--card:#fff;--line:#e4e8e0;--soft:#f0f4ea}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Noto Sans CJK SC",sans-serif;line-height:1.75}
.wrap{margin:0 auto;max-width:760px;padding:48px 24px 80px}
.lang{display:flex;gap:8px;margin-bottom:28px}
.lang a{background:var(--card);border:1px solid var(--line);border-radius:999px;color:var(--ink);font-size:.9rem;padding:6px 16px;text-decoration:none}
.lang a.on{background:var(--ink);border-color:var(--ink);color:#fff}
header{align-items:center;display:flex;gap:12px;margin-bottom:36px}
.logo{height:auto;width:54px}
h1{font-size:1.5rem;letter-spacing:.01em}
.tag{color:var(--mut);font-size:.95rem}
section{background:var(--card);border:1px solid var(--line);border-radius:20px;margin-bottom:18px;padding:28px}
section h2{font-size:1.18rem;margin-bottom:12px}
section p,section li{color:#33443c;font-size:.95rem}
section p+p{margin-top:12px}
section ul{margin:10px 0 0 1.2em}
section li{margin:6px 0}
.note{background:var(--soft);border:1px solid var(--line);border-radius:14px;color:#33443c;font-size:.92rem;margin-top:14px;padding:16px 18px}
a{color:inherit}
a.mail{font-weight:600}
footer{color:var(--mut);font-size:.85rem;margin-top:38px;text-align:center}
footer a{color:var(--mut)}
@media(max-width:520px){.wrap{padding:28px 16px 56px}section{padding:22px 20px}.lang{overflow-x:auto}}