:root{--bg:#fff;--bg-muted:#f7f8fa;--surface:#fff;--text:#0a2540;--text-muted:#425466;--border:#e3e8ee;--accent:#635bff;--accent-hover:#5247e0;--accent-soft:#f0efff;--on-accent:#fff;--indicator-idle:#6b7a90;--success:#0ea371;--danger:#b42318;--radius:10px;--max-w:1140px;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--shadow-sm:0 1px 2px #0a25400f;--shadow-md:0 4px 12px #0a254014, 0 1px 2px #0a25400a}[data-theme=dark]{--bg:#0a0e1a;--bg-muted:#111725;--surface:#151b2b;--text:#e6e9f0;--text-muted:#94a3b8;--border:#232a3d;--accent:#7b73ff;--accent-hover:#8e87ff;--accent-soft:#7b73ff24;--on-accent:#0a0e1a;--indicator-idle:#64748b;--success:#34d399;--danger:#f87171;--shadow-sm:0 1px 2px #0006;--shadow-md:0 4px 12px #00000080, 0 1px 2px #0000004d}html{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){html{--lightningcss-light: ;--lightningcss-dark:initial}}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.55}a{color:var(--accent);text-decoration:none}a:hover,p a,li a{text-decoration:underline}h1,h2,h3{color:var(--text);letter-spacing:-.01em;margin:0 0 .5em;line-height:1.2}h1{font-size:clamp(2rem,4vw,3rem)}h2{font-size:clamp(1.5rem,2.5vw,2rem)}h3{font-size:1.25rem}p{color:var(--text-muted);margin:0 0 1em}.app{flex-direction:column;min-height:100vh;display:flex}main{flex:1}main:focus{outline:none}.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}.btn{border-radius:var(--radius);cursor:pointer;border:1px solid #0000;padding:12px 22px;font-size:1rem;font-weight:600;text-decoration:none;transition:background .15s,transform .1s;display:inline-block}.btn-primary{background:var(--accent);color:var(--on-accent)}.btn:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn-primary:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.btn-primary:hover{background:var(--accent-hover);text-decoration:none}.btn-primary:active{transform:translateY(1px)}.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border)}.btn-secondary:hover{background:var(--bg-muted);text-decoration:none}.btn-sm{padding:10px 18px;font-size:.95rem}.nav{border-bottom:1px solid var(--border);background:var(--surface)}.nav-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;min-height:72px;padding:12px 0;display:flex}.nav-home{width:44px;height:44px;color:var(--text-muted);border:1px solid var(--border);background:0 0;border-radius:50%;justify-content:center;align-items:center;padding:0;transition:background .15s,color .15s,border-color .15s;display:inline-flex}.nav-home:hover{background:var(--bg-muted);color:var(--text);border-color:var(--text-muted);text-decoration:none}.nav-home:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.nav-home svg{width:18px;height:18px;display:block}.nav-links{flex-wrap:wrap;align-items:center;gap:24px;margin:0;padding:0;list-style:none;display:flex}.nav-links a{color:var(--text-muted);font-weight:500}.nav-links a:hover{color:var(--text);text-decoration:none}.footer{border-top:1px solid var(--border);color:var(--text-muted);background:var(--bg-muted);padding:32px 0;font-size:.9rem}.footer-inner{flex-wrap:wrap;justify-content:space-between;gap:16px;display:flex}.footer-links{flex-wrap:wrap;align-items:center;gap:16px;display:flex}.hero{text-align:center;padding:96px 0 64px}.hero h1{max-width:820px;margin:0 auto 16px}.hero p.sub{max-width:640px;margin:0 auto 32px;font-size:1.15rem}.section{padding:64px 0}.section-muted{background:var(--bg-muted)}.slideshow{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);max-width:960px;box-shadow:var(--shadow-md);margin:0 auto;position:relative;overflow:hidden}.slide{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:220px;padding:48px 32px;display:flex}.slide h3{margin-bottom:8px;font-size:1.5rem}.slide p{max-width:520px;margin:0}.slideshow-dots{background:var(--bg-muted);justify-content:center;gap:8px;padding:16px;display:flex}.slideshow-dot{cursor:pointer;background:0 0;border:0;width:44px;height:44px;padding:0;position:relative}.slideshow-dot:before{content:"";background:var(--indicator-idle);border-radius:50%;width:8px;height:8px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.slideshow-dot.active:before{background:var(--accent)}.slideshow-dot:focus-visible{outline:none}.slideshow-dot:focus-visible:before{box-shadow:0 0 0 2px var(--bg-muted), 0 0 0 4px var(--accent)}.value-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;margin-top:48px;display:grid}.value{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.value h3{margin-bottom:8px}.value p{margin:0}.price-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-align:center;max-width:420px;box-shadow:var(--shadow-md);margin:32px auto 0;padding:32px}.price-card .price{color:var(--text);letter-spacing:-.02em;margin:8px 0 4px;font-size:3rem;font-weight:700}.price-card .price-sub{color:var(--text-muted);margin-bottom:24px;font-size:.95rem}.price-card .btn-primary{width:100%}.price-card ul{text-align:left;margin:24px 0 0;padding:0;list-style:none}.price-card li{color:var(--text-muted);border-top:1px solid var(--border);padding:8px 0}.price-card li:first-child{border-top:0}.price-card li:before{content:"✓  ";color:var(--success);font-weight:700}.syllabus{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:32px;margin-top:32px;display:grid}.syllabus-col h3{margin-bottom:12px}.syllabus-col ul{color:var(--text-muted);margin:0;padding-left:20px}.syllabus-col li{margin-bottom:8px}.skip-link{width:1px;height:1px;position:absolute;top:auto;left:-9999px;overflow:hidden}.skip-link:focus{background:var(--surface);width:auto;height:auto;color:var(--text);border:2px solid var(--accent);border-radius:var(--radius);z-index:1000;padding:10px 18px;font-weight:600;text-decoration:none;position:fixed;top:12px;left:12px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.slideshow-controls{background:var(--bg-muted);justify-content:center;padding:8px 0 4px;display:flex}.slideshow-play{min-width:88px;min-height:44px;color:var(--text-muted);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;background:0 0;justify-content:center;align-items:center;gap:6px;padding:10px 18px;font-size:.9rem;display:inline-flex}.slideshow-play:hover{color:var(--text);border-color:var(--text-muted)}.slideshow-play:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.theme-toggle{width:44px;height:44px;color:var(--text-muted);border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:50%;justify-content:center;align-items:center;padding:0;transition:background .15s,color .15s,border-color .15s;display:inline-flex}.theme-toggle:hover{background:var(--bg-muted);color:var(--text);border-color:var(--text-muted)}.theme-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.theme-toggle svg{width:18px;height:18px;display:block}img,video{max-width:100%;height:auto}iframe{max-width:100%}@media (width>=641px) and (width<=900px){.hero{padding:64px 0 48px}.hero h1{font-size:2.25rem}.section{padding:56px 0}}@media (width>=901px) and (width<=1024px){.hero{padding:80px 0 56px}.section{padding:60px 0}}@media (width<=640px){.container{padding:0 16px}.nav-inner{gap:8px;min-height:56px;padding:8px 0}.nav-links{justify-content:flex-end;gap:12px}.hero{padding:32px 0 24px}.hero h1{font-size:1.75rem}.hero p.sub{margin-bottom:20px;font-size:1rem}.section{padding:40px 0}.slide{min-height:180px;padding:32px 20px}.slide h3{font-size:1.25rem}.value-grid{gap:16px;margin-top:32px}.value{padding:20px}.price-card{padding:24px}.price-card .price{font-size:2.5rem}.syllabus{gap:24px;margin-top:24px}.footer{padding:24px 0}.footer-inner{text-align:center;justify-content:center}}.text-center{text-align:center}.mt-0{margin-top:0}