:root,:root[data-theme=light]{--bg-app:#f3f4f6;--surface:#fff;--surface-sunken:#fafafa;--surface-hover:#f3f4f6;--surface-elevated:#fff;--overlay:rgba(0,0,0,.4);--border:#e5e7eb;--border-subtle:#f3f4f6;--border-strong:#d1d5db;--text:#1a1a2e;--text-secondary:#374151;--text-muted:#6b7280;--text-placeholder:#9ca3af;--text-on-brand:#fff;--brand:#4f8cff;--brand-hover:#3b78f0;--brand-soft:#eff6ff;--brand-soft-strong:#cce4ff;--brand-soft-hover:#b8d8ff;--row-hover:#eef3fb;--row-selected:var(--brand-soft-strong);--row-selected-hover:var(--brand-soft-hover);--drop-target:#e0ecff;--success:#16a34a;--success-soft:#dcfce7;--warning:#f59e0b;--warning-soft:#fef3c7;--danger:#ef4444;--danger-soft:#fee2e2;--danger-border:#fecaca;--toast-bg:rgba(30,41,59,.92);--toast-fg:#fff;--code-bg:#1e1e2e;--code-fg:#e5e7eb;--pdf-bg:#525659;--scrollbar-thumb:#c8cdd6;--scrollbar-thumb-hover:#a8aeb8;--md-quote-bg:#f8faff;--md-quote-fg:#4b5563;--link:#2563eb;--space-1:4px;--space-2:6px;--space-3:8px;--space-4:12px;--space-5:16px;--space-6:24px;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-pill:9999px;--fs-xs:10px;--fs-sm:11px;--fs-md:12px;--fs-lg:13px;--fs-xl:15px;--fs-2xl:18px;--shadow-sm:0 1px 4px rgba(0,0,0,.1);--shadow-md:0 4px 14px rgba(0,0,0,.12);--shadow-lg:0 8px 28px rgba(0,0,0,.25);--shadow-menu:0 6px 20px rgba(0,0,0,.16);--brand-alpha-12:rgba(79,140,255,.12);--brand-alpha-40:rgba(79,140,255,.4);--brand-alpha-60:rgba(79,140,255,.6);--t-color:color 0.15s,background-color 0.15s,border-color 0.15s}:root[data-theme=dark]{--bg-app:#0f1115;--surface:#161a22;--surface-sunken:#131720;--surface-hover:#1e2330;--surface-elevated:#1c2230;--overlay:rgba(0,0,0,.6);--border:#2a3140;--border-subtle:#232938;--border-strong:#3a4253;--text:#e6e9f0;--text-secondary:#b8bfcc;--text-muted:#8a93a5;--text-placeholder:#5e6776;--text-on-brand:#fff;--brand:#5b9bff;--brand-hover:#74acff;--brand-soft:#1e2a44;--brand-soft-strong:#23365c;--brand-soft-hover:#2c4470;--row-hover:#1b2230;--row-selected:var(--brand-soft-strong);--row-selected-hover:var(--brand-soft-hover);--drop-target:#2c4470;--success:#4ade80;--success-soft:#14352a;--warning:#fbbf24;--warning-soft:#3a2c10;--danger:#f87171;--danger-soft:#3a1f24;--danger-border:#5b2a30;--toast-bg:rgba(40,48,66,.96);--toast-fg:#fff;--code-bg:#0d1017;--code-fg:#d4d7de;--pdf-bg:#1a1a1d;--scrollbar-thumb:#3a4253;--scrollbar-thumb-hover:#4a5468;--md-quote-bg:#1a2233;--md-quote-fg:#9aa3b5;--link:#5b9bff;--shadow-sm:0 1px 4px rgba(0,0,0,.4);--shadow-md:0 4px 14px rgba(0,0,0,.5);--shadow-lg:0 8px 28px rgba(0,0,0,.6);--shadow-menu:0 6px 20px rgba(0,0,0,.55);--brand-alpha-12:rgba(91,155,255,.16);--brand-alpha-40:rgba(91,155,255,.4);--brand-alpha-60:rgba(91,155,255,.6)}:root{--maxw:1080px;--maxw-narrow:720px;font-family:system-ui,Segoe UI,PingFang SC,Hiragino Sans,Noto Sans JP,sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg-app);color:var(--text);line-height:1.65;display:flex;flex-direction:column;min-height:100vh;transition:var(--t-color)}main{flex:1 0 auto}a{color:var(--brand);text-decoration:none}a:hover{color:var(--brand-hover)}h1,h2,h3,h4{line-height:1.25;color:var(--text)}.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}.container.narrow{max-width:var(--maxw-narrow)}.section{padding:72px 0}.section-alt{background:var(--surface-sunken);border-block:1px solid var(--border-subtle)}.section-title{font-size:2rem;margin:0 0 8px}.section-sub{font-size:1.1rem;margin:0 0 40px}.muted{color:var(--text-muted)}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;background:var(--brand);border-radius:var(--radius-lg);font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:var(--t-color)}.btn,.btn:hover{color:var(--text-on-brand)}.btn:hover{background:var(--brand-hover)}.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border)}.btn-secondary:hover{background:var(--surface-hover);color:var(--text)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;transition:var(--t-color)}.card-hover:hover{border-color:var(--brand-soft-strong);box-shadow:var(--shadow-md)}.grid{display:grid;grid-gap:24px;gap:24px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--surface) 88%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.site-header-inner{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}.brand{font-size:18px;font-weight:700;color:var(--text);letter-spacing:-.01em}.brand:hover{color:var(--brand)}.site-nav{display:flex;gap:22px}.site-nav a{color:var(--text-secondary);font-size:14px;font-weight:500}.site-nav a:hover{color:var(--brand)}.site-actions{display:flex;align-items:center;gap:14px}.locale-switch{display:flex;gap:4px;font-size:12px}.locale-switch a{padding:4px 6px;border-radius:var(--radius-sm);color:var(--text-muted)}.locale-switch a.is-active{color:var(--brand);background:var(--brand-soft)}.theme-toggle{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--surface);color:var(--text-secondary);cursor:pointer;font-size:14px;transition:var(--t-color)}.theme-toggle:hover{background:var(--surface-hover);color:var(--brand)}.hero-home{padding:80px 0 64px;text-align:center;background:radial-gradient(120% 100% at 50% 0,var(--brand-soft) 0,transparent 60%),var(--bg-app)}.hero-home h1{font-size:3rem;margin:12px auto 16px;max-width:900px;letter-spacing:-.02em}.hero-trust{display:inline-block;padding:6px 14px;border-radius:var(--radius-pill);background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600}.hero-sub{font-size:1.2rem;color:var(--text-secondary);max-width:680px;margin:0 auto 28px}.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.feature h3,.scenario h3{font-size:1.15rem;margin:0 0 8px}.feature p,.scenario p{margin:0}.feature-group+.feature-group{margin-top:48px}.group-title{font-size:1.3rem;margin:0 0 20px;padding-bottom:8px;border-bottom:1px solid var(--border-subtle)}.link-more{display:inline-block;margin-top:14px;font-weight:600}.pricing .plan{display:flex;flex-direction:column;position:relative}.plan.is-highlight{border-color:var(--brand);box-shadow:var(--shadow-md)}.badge{position:absolute;top:-12px;right:20px;background:var(--brand);color:var(--text-on-brand);font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--radius-pill)}.plan h3{font-size:1.3rem;margin:0 0 6px}.price{margin:4px 0 12px}.price-amount{font-size:2rem;font-weight:700}.price-period{color:var(--text-muted);font-size:14px;margin-left:4px}.plan-features{list-style:none;padding:0;margin:16px 0 24px;flex:1 1}.plan-features li{padding:6px 0 6px 24px;position:relative;color:var(--text-secondary);font-size:14px}.plan-features li:before{content:"✓";position:absolute;left:0;color:var(--success);font-weight:700}.plan-cta{align-self:stretch;justify-content:center}.cta-band{background:var(--brand);color:var(--text-on-brand)}.cta-inner{text-align:center;padding:16px 0}.cta-inner h2{color:var(--text-on-brand);font-size:2rem;margin:0 0 8px}.cta-inner .muted{color:color-mix(in srgb,var(--text-on-brand) 85%,transparent);margin:0 0 24px}.cta-btn{color:var(--brand)}.cta-btn,.cta-btn:hover{background:var(--text-on-brand)}.cta-btn:hover{color:var(--brand-hover);filter:brightness(.96)}.page-hero{margin-bottom:40px}.page-hero h1{font-size:2.4rem;margin:0 0 8px;letter-spacing:-.01em}.bullet-list{list-style:none;padding:0;margin:0 0 32px}.bullet-list li{padding:10px 0 10px 28px;position:relative;border-bottom:1px solid var(--border-subtle)}.bullet-list li:before{content:"→";position:absolute;left:0;color:var(--brand);font-weight:700}.legal-doc .legal-section{margin-bottom:32px}.legal-doc h2{font-size:1.2rem;margin:0 0 8px}.legal-doc p{color:var(--text-secondary);margin:8px 0}.site-footer{flex-shrink:0;border-top:1px solid var(--border);background:var(--surface-sunken);padding:48px 0 24px}.site-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;grid-gap:32px;gap:32px;margin-bottom:24px}.footer-brand .brand{font-size:18px;display:block;margin-bottom:8px}.footer-col{display:flex;flex-direction:column;gap:8px}.footer-col h4{margin:0 0 4px;font-size:13px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.footer-col a{color:var(--text-secondary);font-size:14px}.footer-col a:hover{color:var(--brand)}.copyright{color:var(--text-muted);font-size:13px;padding-top:16px;border-top:1px solid var(--border-subtle)}.consent-banner{position:fixed;left:0;right:0;bottom:0;z-index:50;background:var(--surface-elevated);border-top:1px solid var(--border-strong);box-shadow:var(--shadow-lg);padding:16px 0}.consent-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.consent-text strong{display:block;margin-bottom:4px}.consent-text p{margin:0;font-size:14px;max-width:640px}.consent-actions{display:flex;gap:8px;flex-shrink:0}.download-primary{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:32px;border-color:var(--brand-soft-strong)}.download-primary-info{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.download-detected-label{display:inline-block;padding:2px 10px;border-radius:var(--radius-pill);background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600}.download-section-title{font-size:1.2rem;margin:0 0 16px}.platform-grid{margin-bottom:8px}.platform{display:flex;flex-direction:column;gap:8px}.platform.is-detected{border-color:var(--brand)}.platform-name{font-size:1rem}.platform-hash{font-size:12px;word-break:break-all}.platform-hash code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.platform-btn{margin-top:auto;align-self:flex-start}.platform-empty{font-size:13px}.download-updater{margin-top:24px;font-size:14px}@media (max-width:820px){.grid-2,.grid-3{grid-template-columns:1fr}.site-nav{display:none}.site-footer-grid{grid-template-columns:1fr}.hero-home h1{font-size:2.1rem}.section{padding:48px 0}}