:root{--color-bg: #0a0a0a;--color-surface: #141414;--color-border: #2a2a2a;--color-text: #e8e8e8;--color-text-secondary: #999;--color-text-tertiary: #666;--color-accent: #3b82f6;--color-accent-hover: #60a5fa;--max-width: 960px}*{margin:0;padding:0;box-sizing:border-box}html{font-family:-apple-system,BlinkMacSystemFont,Helvetica Neue,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--color-accent);text-decoration:none}a:hover{color:var(--color-accent-hover);text-decoration:underline}nav{border-bottom:1px solid var(--color-border);padding:1rem 2rem;position:sticky;top:0;background:#0a0a0ae6;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:100}.nav-inner{max-width:var(--max-width);margin:0 auto;display:flex;justify-content:space-between;align-items:center}.nav-brand{font-weight:600;font-size:1rem;color:var(--color-text);letter-spacing:-.01em}.nav-brand:hover{color:var(--color-text);text-decoration:none}.nav-links{display:flex;gap:1.5rem}.nav-links a{color:var(--color-text-secondary);font-size:.9rem}.nav-links a:hover{color:var(--color-text);text-decoration:none}main{max-width:var(--max-width);margin:0 auto;padding:3rem 2rem;min-height:calc(100vh - 200px)}footer{border-top:1px solid var(--color-border);padding:2rem;margin-top:4rem}.footer-inner{max-width:var(--max-width);margin:0 auto;text-align:center}.footer-links{display:flex;justify-content:center;gap:1.5rem;margin-bottom:1rem;flex-wrap:wrap}.footer-links a{color:var(--color-text-secondary);font-size:.85rem}.copyright{font-size:.8rem;color:var(--color-text-tertiary);margin-bottom:.5rem}.trademark{font-size:.75rem;color:var(--color-text-tertiary);font-style:italic}.legal-page h1{font-size:2rem;font-weight:700;margin-bottom:.5rem;letter-spacing:-.02em}.legal-page .effective-date{color:var(--color-text-secondary);font-size:.9rem;margin-bottom:2rem}.legal-page h2{font-size:1.25rem;font-weight:600;margin-top:2rem;margin-bottom:.75rem}.legal-page p{margin-bottom:1rem;color:var(--color-text-secondary);line-height:1.7}.legal-page ul{margin-bottom:1rem;padding-left:1.5rem;color:var(--color-text-secondary)}.legal-page li{margin-bottom:.5rem;line-height:1.7}.feature-page-hero{text-align:center;padding:2rem 0 3rem;border-bottom:1px solid var(--color-border);margin-bottom:3rem}.feature-page-hero h1{font-size:2.5rem;font-weight:700;letter-spacing:-.02em;margin-bottom:1rem}.feature-page-hero p{max-width:600px;margin:0 auto;color:var(--color-text-secondary);font-size:1.1rem;line-height:1.7}.feature-screenshot{margin:2.5rem 0;text-align:center}.feature-screenshot img{max-width:100%;border-radius:12px;border:1px solid var(--color-border)}.feature-screenshot .screenshot-placeholder{background:var(--color-surface);border:2px dashed var(--color-border);border-radius:12px;padding:4rem 2rem;color:var(--color-text-tertiary);font-size:.9rem}.feature-section{margin-bottom:3rem}.feature-section h2{font-size:1.4rem;font-weight:600;margin-bottom:1rem;letter-spacing:-.01em}.feature-section p{color:var(--color-text-secondary);line-height:1.7;margin-bottom:1rem}.feature-benefits{list-style:none;padding:0;margin:1.5rem 0}.feature-benefits li{position:relative;padding-left:1.5rem;margin-bottom:.75rem;color:var(--color-text-secondary);line-height:1.6}.feature-benefits li:before{content:"✓";position:absolute;left:0;color:var(--color-accent);font-weight:700}.feature-detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin:2rem 0}.feature-detail-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:1.5rem}.feature-detail-card h3{font-size:1rem;font-weight:600;margin-bottom:.5rem}.feature-detail-card p{font-size:.9rem;color:var(--color-text-secondary);line-height:1.6}.feature-nav{display:flex;justify-content:space-between;padding-top:2rem;border-top:1px solid var(--color-border);margin-top:3rem}.feature-nav a{color:var(--color-text-secondary);font-size:.9rem;transition:color .2s}.feature-nav a:hover{color:var(--color-accent);text-decoration:none}@media(max-width:640px){nav{padding:.75rem 1rem}main{padding:2rem 1rem}.nav-links,.footer-links{gap:1rem}.feature-page-hero h1{font-size:2rem}.feature-detail-grid{grid-template-columns:1fr}}