:root{--color-primary: #2563eb;--color-text: #1f2937;--color-text-light: #6b7280;--color-bg: #ffffff;--color-bg-secondary: #f9fafb;--color-border: #e5e7eb;--max-width: 1200px;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 2rem;--spacing-xl: 4rem}[data-astro-cid-37fxchfa]{margin:0;padding:0;box-sizing:border-box}html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.6;color:var(--color-text);background-color:var(--color-bg)}body{display:flex;flex-direction:column;min-height:100vh}header[data-astro-cid-37fxchfa]{background-color:var(--color-bg-secondary);border-bottom:1px solid var(--color-border);padding:var(--spacing-lg) var(--spacing-md)}nav[data-astro-cid-37fxchfa]{max-width:var(--max-width);margin:0 auto}nav[data-astro-cid-37fxchfa] h1[data-astro-cid-37fxchfa]{font-size:1.5rem;font-weight:700;color:var(--color-primary)}main[data-astro-cid-37fxchfa]{flex:1;max-width:var(--max-width);width:100%;margin:0 auto;padding:var(--spacing-xl) var(--spacing-md)}footer[data-astro-cid-37fxchfa]{background-color:var(--color-bg-secondary);border-top:1px solid var(--color-border);padding:var(--spacing-lg) var(--spacing-md);text-align:center}footer[data-astro-cid-37fxchfa] p[data-astro-cid-37fxchfa]{color:var(--color-text-light);font-size:.875rem}@media (max-width: 768px){nav[data-astro-cid-37fxchfa] h1[data-astro-cid-37fxchfa]{font-size:1.25rem}main[data-astro-cid-37fxchfa]{padding:var(--spacing-lg) var(--spacing-md)}}.seminar-slide-card{display:block;background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:8px;text-decoration:none;color:inherit;transition:all .2s ease;height:100%;box-sizing:border-box;overflow:hidden}.card-thumbnail{width:100%;aspect-ratio:16 / 9;overflow:hidden;background-color:var(--color-bg-tertiary, #161b22)}.card-thumbnail img{width:100%;height:100%;object-fit:cover;display:block}.seminar-slide-card .card-content{padding:1.5rem}.seminar-slide-card:hover{border-color:var(--color-primary);box-shadow:0 4px 12px #2563eb1a;transform:translateY(-2px)}.seminar-slide-card:focus{outline:2px solid var(--color-primary);outline-offset:2px}.card-content{display:flex;flex-direction:column;height:100%}.card-header{display:block;margin-bottom:1rem}.card-title{font-size:1.125rem;font-weight:600;color:var(--color-text);margin:0 0 .5rem;line-height:1.5;word-wrap:break-word;overflow-wrap:break-word;hyphens:auto}.theme-badge{display:inline-block;font-size:.6875rem;font-weight:500;padding:.25rem .5rem;border-radius:4px;white-space:nowrap}.theme-badge.theme-github-dark{background-color:#1f2937;color:#f0f6fc}.theme-badge.theme-canyon-custom{background-color:#d4ed00;color:#333}.card-description{font-size:.875rem;color:var(--color-text-light);line-height:1.6;margin:0 0 1rem;word-wrap:break-word;overflow-wrap:break-word}.card-audience{font-size:.8125rem;color:var(--color-text-light);margin:0 0 .75rem;line-height:1.5}.audience-label{font-weight:600;color:var(--color-text);margin-right:.5rem}.audience-text{color:var(--color-text-light);word-wrap:break-word;overflow-wrap:break-word}.card-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:auto;padding-top:.5rem}.tag{font-size:.75rem;font-weight:500;padding:.25rem .75rem;background-color:#2563eb1a;color:var(--color-primary);border-radius:12px;border:1px solid rgba(37,99,235,.2);white-space:nowrap}@media (max-width: 768px){.card-title{font-size:1rem}.card-description{font-size:.8125rem}.seminar-slide-card .card-content{padding:1.25rem}}.seminar-slide-list{width:100%}.list-header{text-align:center;margin-bottom:3rem}.list-title{font-size:2rem;font-weight:700;color:var(--color-text);margin-bottom:1rem}.list-description{font-size:1.125rem;color:var(--color-text-light);max-width:700px;margin:0 auto;line-height:1.6}.slide-grid{display:grid;gap:1.5rem;margin-top:2rem}.empty-state{text-align:center;padding:4rem 2rem;background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:8px}.empty-state p{font-size:1.125rem;color:var(--color-text-light);margin:0}@media (max-width: 768px){.list-header{margin-bottom:2rem}.list-title{font-size:1.5rem}.list-description{font-size:1rem}.slide-grid{grid-template-columns:1fr;gap:1rem}}@media (min-width: 769px) and (max-width: 1024px){.slide-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width: 1025px){.slide-grid{grid-template-columns:repeat(3,1fr)}}.hero[data-astro-cid-j7pv25f6]{text-align:center;margin-bottom:3rem;padding:2rem 0}.hero[data-astro-cid-j7pv25f6] h2[data-astro-cid-j7pv25f6]{font-size:2rem;font-weight:700;color:var(--color-text);margin-bottom:1rem}.description[data-astro-cid-j7pv25f6]{font-size:1.125rem;color:var(--color-text-light);max-width:600px;margin:0 auto}.features[data-astro-cid-j7pv25f6]{margin-bottom:3rem}.features[data-astro-cid-j7pv25f6] .welcome-message{background-color:var(--color-bg-secondary);border:2px solid var(--color-primary);border-radius:8px;padding:1.5rem;margin-bottom:2rem;display:flex;align-items:center;gap:1rem}.features[data-astro-cid-j7pv25f6] .welcome-message .icon{width:48px;height:48px;background-color:var(--color-primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;flex-shrink:0}.features[data-astro-cid-j7pv25f6] .welcome-message p{font-size:1.125rem;font-weight:600;color:var(--color-text);margin:0}.feature-grid[data-astro-cid-j7pv25f6]{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:2rem}.feature-card[data-astro-cid-j7pv25f6]{background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:8px;padding:1.5rem;transition:border-color .2s ease}.feature-card[data-astro-cid-j7pv25f6]:hover{border-color:var(--color-primary)}.feature-card[data-astro-cid-j7pv25f6] h3[data-astro-cid-j7pv25f6]{font-size:1.25rem;font-weight:600;color:var(--color-text);margin-bottom:.5rem}.feature-card[data-astro-cid-j7pv25f6] p[data-astro-cid-j7pv25f6]{color:var(--color-text-light);font-size:.9375rem}.tech-stack[data-astro-cid-j7pv25f6]{background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:8px;padding:2rem}.tech-stack[data-astro-cid-j7pv25f6] h3[data-astro-cid-j7pv25f6]{font-size:1.5rem;font-weight:600;color:var(--color-text);margin-bottom:1rem}.tech-stack[data-astro-cid-j7pv25f6] ul[data-astro-cid-j7pv25f6]{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}.tech-stack[data-astro-cid-j7pv25f6] li[data-astro-cid-j7pv25f6]{color:var(--color-text-light);font-size:1rem;padding:.5rem 0}.tech-stack[data-astro-cid-j7pv25f6] strong[data-astro-cid-j7pv25f6]{color:var(--color-text)}.seminars[data-astro-cid-j7pv25f6]{margin-top:4rem;padding-top:4rem;border-top:1px solid var(--color-border)}@media (max-width: 768px){.hero[data-astro-cid-j7pv25f6] h2[data-astro-cid-j7pv25f6]{font-size:1.5rem}.description[data-astro-cid-j7pv25f6]{font-size:1rem}.feature-grid[data-astro-cid-j7pv25f6],.tech-stack[data-astro-cid-j7pv25f6] ul[data-astro-cid-j7pv25f6]{grid-template-columns:1fr}.seminars[data-astro-cid-j7pv25f6]{margin-top:3rem;padding-top:3rem}}