:root{--bb-ink:#222;--bb-paper:#f5f0e6;--bb-neon:#00ffd0;--bb-line:#e5e7eb;--bb-radius:16px}body{background:var(--bb-paper);color:var(--bb-ink)}.bb-card{border:1px solid var(--bb-line);border-radius:var(--bb-radius);background:#fff;padding:20px}.bb-btn{border:2px solid var(--bb-ink);background:var(--bb-neon);color:#111;border-radius:999px;padding:14px 20px;font-weight:700;transition:transform .2s,box-shadow .2s;display:inline-block}.bb-btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px #00000026}.bb-btn:focus-visible{outline-offset:2px;outline:3px solid #111}.bb-btn-outline{border:2px solid var(--bb-ink);color:var(--bb-ink);background:0 0;border-radius:999px;padding:14px 20px;font-weight:700;transition:transform .2s,box-shadow .2s;display:inline-block}.bb-btn-outline:hover{transform:translateY(-1px);box-shadow:0 6px 16px #0000000f}.bb-btn-outline:focus-visible{outline-offset:2px;outline:3px solid #111}.bb-btn--glow{will-change:transform,box-shadow}.bb-btn--glow:hover{transform:translateY(-2px)scale(1.02);box-shadow:inset 0 0 0 2px #00000059,0 10px 24px #00000059,0 0 24px #00ffd08c}.bb-btn--glow:active{transform:translateY(0)scale(.99)}@media (prefers-reduced-motion:reduce){.bb-btn,.bb-btn-outline,.bb-btn--glow{transition:none}}.bb-note{color:#555;font-size:14px}.bb-skip-link{width:1px;height:1px;position:absolute;top:auto;left:-999px;overflow:hidden}.bb-skip-link:focus{color:#fff;z-index:1000;background:#000;border-radius:10px;width:auto;height:auto;padding:10px 14px;position:fixed;top:16px;left:16px}h1,h2,h3{color:var(--bb-ink);letter-spacing:-.02em}section{background:var(--bb-paper);border-bottom:1px solid var(--bb-line)}section[aria-label=最終CTA] h3{color:#fff}