*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0f0f1a;--bg-secondary: #1a1a2e;--bg-card: #16213e;--bg-card-hover: #1c2a4a;--text-primary: #e8e8e8;--text-secondary: #a0a0b8;--text-muted: #6b6b80;--accent: #4fc3f7;--accent-secondary: #81d4fa;--accent-warm: #ffab91;--border: #2a2a40;--shadow: rgba(0, 0, 0, .3);--radius: 12px;--radius-sm: 8px;--font-sans: "Inter", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--max-width: 1200px;--header-height: 64px}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.7;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none;transition:color .2s}a:hover{color:var(--accent-secondary)}img{max-width:100%;display:block}h1,h2,h3,h4{line-height:1.3;font-weight:700}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.section{padding:80px 0}.section-title{font-size:1.75rem;margin-bottom:8px;display:flex;align-items:center;gap:12px}.section-title:before{content:"";width:4px;height:28px;background:var(--accent);border-radius:2px;flex-shrink:0}.section-subtitle{color:var(--text-secondary);font-size:.95rem;margin-bottom:40px}.header{position:fixed;top:0;left:0;right:0;height:var(--header-height);background:#0f0f1ad9;backdrop-filter:blur(12px);border-bottom:1px solid var(--border);z-index:100;display:flex;align-items:center}.header-inner{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}.header-logo{font-size:1.1rem;font-weight:700;color:var(--text-primary)}.header-nav{display:flex;gap:24px;list-style:none}.header-nav a{color:var(--text-secondary);font-size:.85rem;font-weight:500;transition:color .2s}.header-nav a:hover{color:var(--text-primary)}.hero{min-height:100vh;display:flex;align-items:center;padding-top:var(--header-height);background:radial-gradient(ellipse at 20% 50%,rgba(79,195,247,.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(255,171,145,.06) 0%,transparent 50%)}.hero-content{display:grid;grid-template-columns:auto 1fr;gap:48px;align-items:center}.hero-avatar{width:218px;height:218px;border-radius:50%;object-fit:cover}.hero-name{font-size:2.5rem;margin-bottom:8px;background:linear-gradient(135deg,var(--text-primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-role{font-size:1.15rem;color:var(--text-secondary);margin-bottom:4px}.hero-company{font-size:.95rem;color:var(--text-muted);margin-bottom:20px}.hero-links{display:flex;flex-wrap:wrap;gap:10px}.hero-link{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:20px;font-size:.82rem;color:var(--text-secondary);transition:all .2s}.hero-link:hover{background:var(--bg-card);color:var(--accent);border-color:var(--accent)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px}.stat-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:24px 20px;text-align:center;transition:transform .2s,border-color .2s}.stat-card:hover{transform:translateY(-2px);border-color:var(--accent)}.stat-number{font-size:2rem;font-weight:800;color:var(--accent);font-family:var(--font-mono)}.stat-label{font-size:.8rem;color:var(--text-secondary);margin-top:4px}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:20px}.card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:all .25s;display:flex;flex-direction:column;position:relative;cursor:pointer}.card:hover{background:var(--bg-card-hover);border-color:#4fc3f74d;transform:translateY(-2px);box-shadow:0 8px 24px var(--shadow)}.card-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px;flex-wrap:wrap}.card-date{font-size:.78rem;color:var(--text-muted);font-family:var(--font-mono)}.card-badge{font-size:.72rem;padding:2px 10px;background:#4fc3f71f;color:var(--accent);border-radius:12px;font-weight:500}.card-badge--warm{background:#ffab911f;color:var(--accent-warm)}.card-title{font-size:1.05rem;font-weight:600;margin-bottom:8px;line-height:1.5}.card-title a{color:var(--text-primary)}.card-title a:hover{color:var(--accent)}.card-title a:after{content:"";position:absolute;inset:0;z-index:1}.card-summary{font-size:.85rem;color:var(--text-secondary);line-height:1.6;flex-grow:1}.card-footer{display:flex;align-items:center;gap:12px;margin-top:12px;padding-top:12px;border-top:1px solid var(--border);position:relative;z-index:2}.card-tag{font-size:.72rem;color:var(--text-muted);padding:2px 8px;background:#ffffff0a;border-radius:4px}.card-likes{font-size:.78rem;color:var(--accent-warm);margin-left:auto;font-family:var(--font-mono)}.talks-table{width:100%;border-collapse:collapse}.talks-table th{text-align:left;font-size:.78rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;padding:12px 16px;border-bottom:1px solid var(--border)}.talks-table td{padding:14px 16px;font-size:.9rem;border-bottom:1px solid rgba(42,42,64,.5);vertical-align:top}.talks-table tr:hover td{background:#4fc3f70a}.talks-table .date-col{font-family:var(--font-mono);font-size:.82rem;color:var(--text-muted);white-space:nowrap;width:110px}.talks-table .event-col{color:var(--text-secondary);font-size:.85rem;width:220px}.themes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.theme-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px}.theme-name{font-size:.95rem;font-weight:600;color:var(--accent);margin-bottom:6px}.theme-desc{font-size:.82rem;color:var(--text-secondary)}.tab-group{display:flex;gap:8px;margin-bottom:28px;flex-wrap:wrap}.tab-btn{padding:8px 18px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:20px;color:var(--text-secondary);font-size:.82rem;cursor:pointer;transition:all .2s;font-family:inherit}.tab-btn:hover{border-color:var(--accent);color:var(--accent)}.tab-btn.active{background:#4fc3f71f;border-color:var(--accent);color:var(--accent)}.tab-content{display:none}.tab-content.active{display:block}.footer{padding:40px 0;border-top:1px solid var(--border);text-align:center;color:var(--text-muted);font-size:.82rem}.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}.reveal.visible{opacity:1;transform:translateY(0)}@media(max-width:768px){.hero-content{grid-template-columns:1fr;text-align:center;gap:24px}.hero-avatar{margin:0 auto;width:170px;height:170px}.hero-name{font-size:1.8rem}.hero-links{justify-content:center}.header-nav{display:none}.card-grid{grid-template-columns:1fr}.section{padding:48px 0}.talks-table .event-col{display:none}.stats-grid{grid-template-columns:repeat(3,1fr)}.services-grid{grid-template-columns:1fr}.contact-card{padding:40px 20px}}@media(max-width:480px){.stats-grid{grid-template-columns:repeat(2,1fr)}}.services-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px}.service-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;transition:all .25s}.service-card:hover{border-color:#4fc3f74d;transform:translateY(-2px);box-shadow:0 8px 24px var(--shadow)}.service-icon{font-size:1.6rem;margin-bottom:12px}.service-name{font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:8px}.service-desc{font-size:.85rem;color:var(--text-secondary);line-height:1.7}.contact-section{padding-bottom:40px}.contact-card{text-align:center;background:linear-gradient(135deg,#4fc3f714,#ffab910f);border:1px solid var(--border);border-radius:var(--radius);padding:56px 32px}.contact-heading{font-size:1.5rem;margin-bottom:12px;color:var(--text-primary)}.contact-text{color:var(--text-secondary);font-size:.95rem;margin-bottom:28px}.contact-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;background:var(--accent);color:var(--bg-primary);font-weight:700;font-size:1rem;border-radius:28px;transition:all .2s}.contact-btn:hover{background:var(--accent-secondary);color:var(--bg-primary);transform:translateY(-1px);box-shadow:0 4px 16px #4fc3f74d}.table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch}