:root { --amber:#d97706; --ink:#111827; --paper:#fafcfb; --line:#e5e7eb; --muted:#6b7280; }
* { box-sizing: border-box; margin: 0; }
body { font-family: 'Poppins', system-ui, sans-serif; background: var(--paper); color: var(--ink); line-height: 1.55; }
a { color: var(--ink); text-decoration: none; }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }
nav { display: flex; justify-content: space-between; align-items: center; padding: 18px 0; }
.brand { font-weight: 700; font-size: 18px; letter-spacing: -0.02em; }
.brand b { color: var(--amber); }
nav .links a { margin-left: 18px; font-size: 14px; color: var(--muted); }
nav .links a:hover { color: var(--ink); }
.hero { padding: 72px 0 48px; }
.hero h1 { font-size: clamp(30px, 5vw, 44px); font-weight: 700; letter-spacing: -0.03em; line-height: 1.12; max-width: 700px; }
.hero h1 span { color: var(--amber); }
.hero p.sub { margin-top: 14px; color: var(--muted); max-width: 560px; font-size: 16px; }
.btn { display: inline-block; background: var(--ink); color: #fff; padding: 11px 22px; border-radius: 8px; font-size: 14px; font-weight: 600; margin-top: 22px; border: none; cursor: pointer; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
h2 { font-size: 22px; letter-spacing: -0.02em; margin: 44px 0 14px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; margin-top: 16px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 18px; }
.card b { display: block; margin-bottom: 4px; }
.card span { color: var(--muted); font-size: 13px; }
.req { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 18px; margin-top: 12px; }
.req .freq { color: var(--amber); font-weight: 600; font-size: 13px; }
.req .src { font-size: 12px; color: var(--muted); margin-top: 8px; }
.req .src a { color: var(--muted); text-decoration: underline; }
.bullets { margin-top: 16px; padding: 0; list-style: none; }
.bullets li { padding-left: 26px; position: relative; margin: 8px 0; font-size: 15px; }
.bullets li:before { content: "\2713"; position: absolute; left: 0; color: var(--amber); font-weight: 700; }
.shot { margin: 28px 0; }
.shot img { width: 100%; height: auto; border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 18px 40px rgba(17,24,39,.10); }
.faq dt { font-weight: 600; margin-top: 20px; }
.faq dd { margin: 6px 0 0 0; color: var(--muted); font-size: 14px; }
.notice { background: #fff7ed; border: 1px solid #fed7aa; border-radius: 10px; padding: 14px 16px; font-size: 13px; margin: 22px 0; color: #7c2d12; }
footer { border-top: 1px solid var(--line); margin-top: 60px; padding: 24px 0; color: var(--muted); font-size: 13px; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }