:root{--primary: #6366F1;--primary-dark: #4F46E5;--primary-light: #818CF8;--text-primary: #0F172A;--text-secondary: #475569;--text-tertiary: #94A3B8;--bg-primary: #FFFFFF;--bg-secondary: #F8FAFC;--bg-tertiary: #F1F5F9;--border: #E2E8F0;--border-light: #F1F5F9;--success: #10B981;--error: #EF4444;--warning: #F59E0B;--space-xs: .5rem;--space-sm: 1rem;--space-md: 1.5rem;--space-lg: 2rem;--space-xl: 3rem;--space-2xl: 4rem;--space-3xl: 6rem;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:1rem;line-height:1.6;color:var(--text-primary);background:var(--bg-secondary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;color:var(--text-primary)}h1{font-size:clamp(2rem,5vw,3rem);letter-spacing:-.02em}h2{font-size:clamp(1.75rem,4vw,2rem);letter-spacing:-.01em;margin-bottom:var(--space-lg)}h3{font-size:1.25rem;font-weight:600}p{line-height:1.7;color:var(--text-secondary)}a{color:var(--primary);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-dark)}.header{background:var(--bg-primary);border-bottom:1px solid var(--border-light);padding:1rem 0;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffe6}.header-content{display:flex;align-items:center;justify-content:space-between;gap:var(--space-lg)}.logo{font-size:1.125rem;font-weight:700;color:var(--text-primary)}.nav{display:flex;gap:var(--space-lg)}.nav a{font-size:.9375rem;font-weight:500;color:var(--text-secondary);transition:color .2s}.nav a:hover{color:var(--text-primary)}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1.25rem;font-size:.9375rem;font-weight:600;border-radius:var(--radius-lg);border:none;cursor:pointer;transition:all .2s;text-decoration:none}.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--primary-dark);box-shadow:var(--shadow-md);transform:translateY(-1px);color:#fff}.btn-secondary{background:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-tertiary);color:var(--text-primary)}.btn-outline{background:transparent;color:var(--text-primary);border:1px solid var(--border)}.btn-outline:hover{background:var(--bg-tertiary);color:var(--text-primary)}.btn-large{padding:.875rem 2rem;font-size:1rem}.btn svg{width:1.25rem;height:1.25rem}.hero{padding:var(--space-3xl) 0;background:var(--bg-primary)}.hero-content{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-2xl);align-items:center}.hero-text h1{margin-bottom:var(--space-md)}.hero-subtitle{font-size:1.125rem;color:var(--text-secondary);margin-bottom:var(--space-xl);line-height:1.7}.hero-cta{display:flex;gap:var(--space-md);flex-wrap:wrap}.hero-preview{display:flex;justify-content:center}.preview-card{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-xl);padding:var(--space-lg);box-shadow:var(--shadow-xl);width:100%;max-width:400px}.preview-header{font-size:.875rem;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-md)}.preview-content{display:flex;flex-direction:column;gap:.75rem}.preview-line{font-size:.9375rem;color:var(--text-secondary);font-family:SF Mono,Monaco,Courier New,monospace}.preview-line .label{color:var(--text-tertiary);font-weight:600}.benefits{padding:var(--space-3xl) 0;background:var(--bg-secondary)}.benefits-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-lg)}.benefit-card{background:var(--bg-primary);padding:var(--space-lg);border-radius:var(--radius-lg);border:1px solid var(--border-light);transition:all .2s}.benefit-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.benefit-icon{width:3rem;height:3rem;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-light),var(--primary));border-radius:var(--radius-md);margin-bottom:var(--space-md);color:#fff}.benefit-card h3{font-size:1.125rem;margin-bottom:var(--space-xs)}.benefit-card p{font-size:.9375rem;color:var(--text-tertiary);line-height:1.6}.what-is,.example,.mistakes,.faq{padding:var(--space-3xl) 0}.what-is{background:var(--bg-primary)}.example{background:var(--bg-secondary)}.mistakes{background:var(--bg-primary)}.faq{background:var(--bg-secondary)}.section-intro{font-size:1.125rem;color:var(--text-secondary);margin-bottom:var(--space-xl);max-width:800px}.content-grid{display:grid;grid-template-columns:2fr 1fr;gap:var(--space-xl);margin-top:var(--space-xl)}.content-main h3{margin-bottom:var(--space-md)}.checklist{list-style:none;display:flex;flex-direction:column;gap:var(--space-sm)}.checklist li{padding-left:1.75rem;position:relative;color:var(--text-secondary)}.checklist li:before{content:"✓";position:absolute;left:0;color:var(--success);font-weight:700}.info-callout{background:linear-gradient(135deg,#eef2ff,#e0e7ff);border:1px solid #C7D2FE;border-radius:var(--radius-lg);padding:var(--space-lg);display:flex;gap:var(--space-md);align-items:flex-start}.callout-icon{flex-shrink:0;width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;background:var(--primary);border-radius:50%;color:#fff}.info-callout strong{color:var(--primary-dark)}.example-preview{margin:var(--space-xl) 0}.code-block{background:#0f172a;color:#e2e8f0;padding:var(--space-lg);border-radius:var(--radius-lg);font-family:SF Mono,Monaco,Courier New,monospace;font-size:.875rem;line-height:1.8;overflow-x:auto;box-shadow:var(--shadow-lg)}.code-block strong{color:#a5b4fc;font-weight:600}.example-note{margin-top:var(--space-lg);font-size:.9375rem;color:var(--text-tertiary);font-style:italic}.link-arrow{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;color:var(--primary);margin-top:var(--space-md)}.link-arrow:hover{gap:.75rem}.accordion{display:flex;flex-direction:column;gap:var(--space-md);max-width:800px}.accordion-item{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;transition:all .2s}.accordion-item:hover{box-shadow:var(--shadow-sm)}.accordion-item summary{padding:var(--space-lg);cursor:pointer;list-style:none;display:flex;align-items:center;gap:var(--space-md);font-weight:600;color:var(--text-primary);-webkit-user-select:none;user-select:none}.accordion-item summary::-webkit-details-marker{display:none}.accordion-item summary:after{content:"+";margin-left:auto;font-size:1.5rem;color:var(--text-tertiary);transition:transform .2s}.accordion-item[open] summary:after{transform:rotate(45deg)}.error-icon{width:1.5rem;height:1.5rem;display:flex;align-items:center;justify-content:center;background:#fee2e2;color:var(--error);border-radius:50%;font-size:.875rem;flex-shrink:0}.accordion-content{padding:0 var(--space-lg) var(--space-lg) var(--space-lg);color:var(--text-secondary);line-height:1.7}.accordion-content p{margin-bottom:var(--space-sm)}.accordion-content p:last-child{margin-bottom:0}.final-cta{padding:var(--space-3xl) 0;background:var(--bg-primary)}.cta-card{background:linear-gradient(135deg,#eef2ff,#e0e7ff);border:1px solid #C7D2FE;border-radius:var(--radius-xl);padding:var(--space-2xl);text-align:center;max-width:800px;margin:0 auto}.cta-card h2{margin-bottom:var(--space-md)}.cta-card>p{font-size:1.125rem;color:var(--text-secondary);margin-bottom:var(--space-xl)}.disclaimer{margin-top:var(--space-lg);font-size:.875rem;color:var(--text-tertiary);font-style:italic}.footer{background:var(--text-primary);color:#fff;padding:var(--space-xl) 0;text-align:center}.footer p{color:#ffffffb3}@media(max-width:1024px){.hero-content{grid-template-columns:1fr;gap:var(--space-xl)}.content-grid{grid-template-columns:1fr}}@media(max-width:768px){.header-content{flex-wrap:wrap}.nav{order:3;width:100%;justify-content:center;padding-top:var(--space-sm);border-top:1px solid var(--border-light)}.hero{padding:var(--space-xl) 0}.hero-cta{flex-direction:column}.hero-cta .btn{width:100%;justify-content:center}.benefits-grid{grid-template-columns:1fr}.what-is,.example,.mistakes,.faq,.final-cta{padding:var(--space-xl) 0}.cta-card{padding:var(--space-xl) var(--space-lg)}}@media(max-width:480px){.container{padding:0 1rem}h1{font-size:1.75rem}h2{font-size:1.5rem}.code-block{font-size:.75rem;padding:var(--space-md)}}.official-example{padding:var(--space-3xl) 0;background:var(--bg-primary)}.section-header{text-align:center;margin-bottom:var(--space-xl)}.section-header h2{margin-bottom:var(--space-sm)}.badge{display:inline-block;padding:.375rem .875rem;background:#fef3c7;color:#92400e;border-radius:var(--radius-md);font-size:.875rem;font-weight:600;margin-top:var(--space-sm)}.view-toggle{display:flex;gap:var(--space-sm);justify-content:center;margin-bottom:var(--space-xl);flex-wrap:wrap}.toggle-btn{padding:.625rem 1.5rem;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-lg);font-size:.9375rem;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .2s;font-family:var(--font-sans)}.toggle-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.toggle-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.view-content{transition:opacity .3s}.view-content.hidden{display:none}.table-wrap{overflow-x:auto;margin-bottom:var(--space-xl);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.schedule-table{width:100%;border-collapse:collapse;background:var(--bg-primary);font-size:.9375rem}.schedule-table thead{background:#f7f8fb}.schedule-table th{padding:1rem;text-align:left;font-weight:700;color:var(--text-primary);border:1px solid rgba(15,23,42,.12);white-space:nowrap}.schedule-table td{padding:.875rem 1rem;border:1px solid rgba(15,23,42,.12);color:var(--text-secondary);line-height:1.6;vertical-align:top}.schedule-table tbody tr:hover{background:var(--bg-secondary)}.schedule-table td strong{color:var(--text-primary);font-weight:600}.date-note{font-size:.8125rem;color:var(--text-tertiary);font-style:italic}.checklist-box{background:linear-gradient(135deg,#eef2ff,#e0e7ff);border:1px solid #C7D2FE;border-radius:var(--radius-lg);padding:var(--space-lg);margin-top:var(--space-xl)}.checklist-box h3{font-size:1.125rem;margin-bottom:var(--space-md);color:var(--primary-dark)}.requirements-list{list-style:none;display:flex;flex-direction:column;gap:var(--space-sm);margin:0}.requirements-list li{padding-left:1.75rem;position:relative;color:var(--text-secondary)}.requirements-list li:before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:700}.text-schedule{display:flex;flex-direction:column;gap:var(--space-md);max-width:800px;margin:0 auto}.day-item{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden}.day-item summary{padding:var(--space-md) var(--space-lg);cursor:pointer;list-style:none;font-weight:600;color:var(--text-primary);-webkit-user-select:none;user-select:none;display:flex;align-items:center;justify-content:space-between}.day-item summary::-webkit-details-marker{display:none}.day-item summary:after{content:"+";font-size:1.5rem;color:var(--text-tertiary);transition:transform .2s}.day-item[open] summary:after{transform:rotate(45deg)}.day-content{padding:0 var(--space-lg) var(--space-lg) var(--space-lg);color:var(--text-secondary)}.day-content p{margin-bottom:var(--space-sm);line-height:1.7}.day-content p:last-child{margin-bottom:0}.table-disclaimer{text-align:center;font-size:.875rem;color:var(--text-tertiary);font-style:italic;margin-top:var(--space-xl);padding:var(--space-md);background:var(--bg-secondary);border-radius:var(--radius-md)}@media(max-width:768px){.view-toggle{width:100%}.toggle-btn{flex:1;min-width:140px}.schedule-table{font-size:.8125rem}.schedule-table th,.schedule-table td{padding:.75rem}.table-wrap{-webkit-overflow-scrolling:touch}}@media(max-width:480px){.schedule-table{font-size:.75rem}.schedule-table th,.schedule-table td{padding:.5rem}}.example-section{padding:var(--space-3xl) 0;background:var(--bg-secondary)}.example-badges{display:flex;flex-wrap:wrap;gap:var(--space-sm);margin-top:var(--space-md);justify-content:center}.badge-chip{display:inline-flex;align-items:center;gap:.375rem;padding:.5rem 1rem;background:linear-gradient(135deg,#eef2ff,#e0e7ff);border:1px solid #C7D2FE;border-radius:var(--radius-lg);font-size:.875rem;font-weight:600;color:var(--primary-dark)}.badge-chip svg{width:1rem;height:1rem;flex-shrink:0}.view-toggle{margin-top:var(--space-xl)}.toggle-btn svg{width:1rem;height:1rem}.pdf-document{background:var(--bg-primary);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);padding:var(--space-xl);margin-bottom:var(--space-xl)}.pdf-header{text-align:center;padding-bottom:var(--space-lg);border-bottom:2px solid var(--border);margin-bottom:var(--space-lg)}.pdf-header h3{font-size:1.5rem;font-weight:700;color:var(--text-primary);letter-spacing:.05em;margin-bottom:var(--space-xs)}.pdf-subtitle{font-size:.875rem;color:var(--text-tertiary);font-style:italic}.benefits-box{background:linear-gradient(135deg,#f0fdf4,#dcfce7);border:1px solid #BBF7D0;border-radius:var(--radius-lg);padding:var(--space-lg);margin-top:var(--space-xl)}.benefits-box h3{font-size:1.125rem;margin-bottom:var(--space-md);color:#166534}.benefits-list{list-style:none;display:flex;flex-direction:column;gap:var(--space-sm);margin:0 0 var(--space-md) 0}.benefits-list li{padding-left:1.75rem;position:relative;color:var(--text-secondary);line-height:1.6}.benefits-list li:before{content:"✓";position:absolute;left:0;color:#16a34a;font-weight:700;font-size:1.125rem}.benefits-note{font-size:.875rem;color:var(--text-tertiary);font-style:italic;margin:0}.text-format-preview{background:var(--bg-primary);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}.code-header{display:flex;justify-content:space-between;align-items:center;padding:var(--space-md) var(--space-lg);background:#1e293b;border-bottom:1px solid rgba(255,255,255,.1)}.code-header span{font-size:.875rem;color:#94a3b8;font-weight:600}.copy-btn{display:inline-flex;align-items:center;gap:.375rem;padding:.375rem .75rem;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-md);color:#fff;font-size:.8125rem;font-weight:600;cursor:pointer;transition:all .2s;font-family:var(--font-sans)}.copy-btn:hover{background:#fff3;border-color:#ffffff4d}.copy-btn svg{width:1rem;height:1rem}.copy-btn.copied{background:#10b981;border-color:#10b981}.example-cta{display:flex;gap:var(--space-md);justify-content:center;margin-top:var(--space-xl);flex-wrap:wrap}.example-disclaimer{text-align:center;font-size:.875rem;color:var(--text-tertiary);font-style:italic;margin-top:var(--space-xl);padding:var(--space-md);background:var(--bg-tertiary);border-radius:var(--radius-md);max-width:800px;margin-left:auto;margin-right:auto}@media(max-width:768px){.example-badges{justify-content:flex-start}.badge-chip{font-size:.8125rem;padding:.375rem .75rem}.pdf-document{padding:var(--space-md)}.pdf-header h3{font-size:1.25rem}.example-cta{flex-direction:column}.example-cta .btn{width:100%;justify-content:center}.code-header{flex-direction:column;gap:var(--space-sm);align-items:flex-start}.copy-btn{align-self:flex-end}}@media(max-width:480px){.example-badges{gap:.5rem}.badge-chip{font-size:.75rem;padding:.25rem .625rem}.badge-chip svg{width:.875rem;height:.875rem}}.schedule-table tbody tr td:nth-child(3){white-space:nowrap}