/* naiken3d.com のサイト（LP・規約・プライバシー）。アプリ側の shared/ui.css のトークンを使う */
.site-head { display: flex; align-items: center; gap: 14px; height: 56px; padding: 0 16px; background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.site-head .logo { font-weight: 800; font-size: 17px; color: var(--text); white-space: nowrap; }
.site-head .logo b { color: var(--accent); }
.site-head nav { display: flex; gap: 2px; margin-left: auto; align-items: center; }
.site-head nav a { padding: 7px 11px; border-radius: 999px; color: var(--text); font-size: 13px; white-space: nowrap; }
.site-head nav a:hover { background: var(--accent-soft); color: var(--accent-2); }
.site-head nav a.cta { background: var(--accent); color: #fff; margin-left: 6px; }
.site-head nav a.cta:hover { background: var(--accent-2); }
@media (max-width: 640px) { .site-head nav a.hide-sm { display: none; } }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.doc { max-width: 820px; margin: 0 auto; padding: 32px 16px 80px; }
.doc h1 { font-size: 26px; margin-bottom: 6px; }
.doc .lead { color: var(--muted); margin-bottom: 26px; }
.doc h2 { font-size: 17px; margin: 30px 0 10px; padding-top: 10px; border-top: 1px solid var(--line); }
.doc p, .doc li { font-size: 14px; line-height: 1.85; }
.doc ol, .doc ul { padding-left: 22px; }
.doc li { margin: 4px 0; }
.doc table { border-collapse: collapse; width: 100%; font-size: 13px; margin: 10px 0; }
.doc th, .doc td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.doc th { background: var(--panel-2); font-weight: 600; white-space: nowrap; }
.doc .meta { color: var(--muted); font-size: 12px; margin-top: 30px; }
.doc .note { background: #fff8e6; border: 1px solid #f7d28f; border-radius: 10px; padding: 10px 14px; font-size: 13px; }

/* ---- LP ---- */
.hero { padding: 56px 0 36px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px; align-items: center; }
.hero h1 { font-size: 34px; line-height: 1.3; letter-spacing: -.01em; }
.hero h1 span { color: var(--accent); }
.hero .sub { font-size: 16px; color: var(--muted); margin: 14px 0 22px; }
.hero .ctas { display: flex; gap: 10px; flex-wrap: wrap; }
.hero .ctas .btn { padding: 12px 20px; font-size: 15px; border-radius: 12px; }
.hero .shot { border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--line); background: #0f172a; aspect-ratio: 16 / 10; position: relative; }
.hero .shot iframe { width: 100%; height: 100%; border: 0; display: block; }
.hero .shot .cap { position: absolute; left: 10px; bottom: 10px; background: rgba(15, 23, 42, .75); color: #fff; font-size: 12px; padding: 4px 10px; border-radius: 999px; }
@media (max-width: 800px) { .hero { grid-template-columns: 1fr; padding: 32px 0 20px; } .hero h1 { font-size: 27px; } }

.sec { padding: 40px 0; }
.sec h2 { font-size: 24px; margin-bottom: 8px; }
.sec .lead { color: var(--muted); margin-bottom: 22px; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.feat { padding: 18px 18px 16px; }
.feat .ic { font-size: 26px; margin-bottom: 6px; }
.feat h3 { font-size: 15px; margin-bottom: 4px; }
.feat p { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.7; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; counter-reset: s; }
.step { padding: 16px; position: relative; }
.step::before { counter-increment: s; content: counter(s); display: inline-flex; width: 26px; height: 26px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; align-items: center; justify-content: center; font-size: 13px; margin-bottom: 8px; }
.step h3 { font-size: 14px; margin-bottom: 4px; }
.step p { font-size: 13px; color: var(--muted); margin: 0; }
.honest { border-left: 4px solid var(--warm); padding: 12px 16px; background: #fffaf0; border-radius: 0 10px 10px 0; font-size: 13px; }
.honest b { display: block; margin-bottom: 4px; }
.cmp { border-collapse: collapse; width: 100%; font-size: 13px; }
.cmp th, .cmp td { border-bottom: 1px solid var(--line); padding: 9px 10px; text-align: left; vertical-align: top; }
.cmp th { background: var(--panel-2); font-weight: 600; }
.cmp td:first-child { font-weight: 600; white-space: nowrap; }
.contact { padding: 26px; display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center; }
.contact p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
@media (max-width: 640px) { .contact { grid-template-columns: 1fr; } }
.site-foot { border-top: 1px solid var(--line); padding: 22px 16px 40px; color: var(--muted); font-size: 12px; }
.site-foot .wrap { display: flex; gap: 14px; flex-wrap: wrap; justify-content: space-between; }
.site-foot a { color: var(--muted); margin-right: 12px; }