@import "https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700;800&display=swap";
:root{--primary:#6366f1;--primary-dark:#4f46e5;--primary-light:#818cf8;--accent:#06b6d4;--accent-light:#22d3ee;--bg-dark:#0a0a1a;--bg-card:#12122a;--bg-card-hover:#1a1a3e;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--border:#1e293b;--success:#10b981;--warning:#f59e0b;--error:#ef4444;--gradient-primary:linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);--gradient-hero:linear-gradient(135deg, #0a0a1a 0%, #1a1040 50%, #0a0a1a 100%);--shadow-glow:0 0 40px #6366f126;--radius:12px;--radius-lg:20px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg-dark);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:Noto Sans JP,Inter,sans-serif;line-height:1.7}.nav{z-index:100;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#0a0a1acc;border-bottom:1px solid #ffffff0d;padding:16px 0;transition:all .3s;position:fixed;top:0;left:0;right:0}.nav-inner{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0 24px;display:flex}.nav-logo{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;align-items:center;gap:10px;font-size:1.4rem;font-weight:800;text-decoration:none;display:flex}.nav-logo-icon{background:var(--gradient-primary);-webkit-text-fill-color:white;border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;font-size:1.2rem;display:flex}.nav-links{align-items:center;gap:32px;list-style:none;display:flex}.nav-links a{color:var(--text-secondary);font-size:.9rem;font-weight:500;text-decoration:none;transition:color .2s}.nav-links a:hover{color:var(--text-primary)}.nav-cta{background:var(--gradient-primary);cursor:pointer;border:none;border-radius:8px;padding:10px 24px;font-weight:600;text-decoration:none;transition:transform .2s,box-shadow .2s;color:#fff!important}.nav-cta:hover{transform:translateY(-1px);box-shadow:0 4px 20px #6366f166}.hero{background:var(--gradient-hero);justify-content:center;align-items:center;min-height:100vh;padding:120px 24px 80px;display:flex;position:relative;overflow:hidden}.hero:before{content:"";pointer-events:none;background:radial-gradient(circle,#6366f126 0%,#0000 70%);border-radius:50%;width:600px;height:600px;position:absolute;top:-200px;right:-200px}.hero:after{content:"";pointer-events:none;background:radial-gradient(circle,#06b6d41a 0%,#0000 70%);border-radius:50%;width:400px;height:400px;position:absolute;bottom:-100px;left:-100px}.hero-inner{z-index:1;grid-template-columns:1fr 1fr;align-items:center;gap:60px;max-width:1200px;margin:0 auto;display:grid;position:relative}.hero-badge{color:var(--primary-light);background:#6366f11a;border:1px solid #6366f14d;border-radius:9999px;align-items:center;gap:8px;margin-bottom:24px;padding:6px 16px;font-size:.85rem;animation:.6s ease-out fadeInUp;display:inline-flex}.hero h1{margin-bottom:24px;font-size:3.2rem;font-weight:800;line-height:1.2;animation:.6s ease-out .1s both fadeInUp}.hero h1 .gradient-text{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.hero-description{color:var(--text-secondary);margin-bottom:40px;font-size:1.15rem;line-height:1.8;animation:.6s ease-out .2s both fadeInUp}.hero-buttons{gap:16px;animation:.6s ease-out .3s both fadeInUp;display:flex}.btn-primary{background:var(--gradient-primary);color:#fff;cursor:pointer;border:none;border-radius:10px;align-items:center;gap:8px;padding:16px 36px;font-size:1.05rem;font-weight:700;text-decoration:none;transition:transform .2s,box-shadow .2s;display:inline-flex}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px #6366f166}.btn-secondary{border:1px solid var(--border);color:var(--text-primary);cursor:pointer;background:0 0;border-radius:10px;align-items:center;gap:8px;padding:16px 36px;font-size:1.05rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-secondary:hover{border-color:var(--primary);background:#6366f11a}.hero-demo{animation:.8s ease-out .4s both fadeInUp}.chat-demo{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-glow);overflow:hidden}.chat-demo-header{border-bottom:1px solid var(--border);background:#6366f11a;align-items:center;gap:12px;padding:16px 20px;display:flex}.chat-demo-avatar{background:var(--gradient-primary);border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;display:flex}.chat-demo-name{font-size:.95rem;font-weight:600}.chat-demo-status{color:var(--success);font-size:.8rem}.chat-demo-messages{flex-direction:column;gap:16px;min-height:280px;padding:20px;display:flex}.chat-msg{border-radius:16px;max-width:80%;padding:12px 16px;font-size:.9rem;line-height:1.6;animation:.4s ease-out both messageIn}.chat-msg.bot{background:#6366f126;border:1px solid #6366f133;border-bottom-left-radius:4px;align-self:flex-start}.chat-msg.user{background:var(--primary);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.chat-demo-input{border-top:1px solid var(--border);gap:12px;padding:16px 20px;display:flex}.chat-demo-input input{border:1px solid var(--border);color:var(--text-primary);background:#ffffff0d;border-radius:8px;outline:none;flex:1;padding:10px 16px;font-size:.9rem}.chat-demo-input button{background:var(--gradient-primary);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:10px 20px;font-weight:600}.section{max-width:1200px;margin:0 auto;padding:100px 24px}.section-header{text-align:center;margin-bottom:60px}.section-header h2{margin-bottom:16px;font-size:2.4rem;font-weight:800}.section-header p{color:var(--text-secondary);max-width:600px;margin:0 auto;font-size:1.1rem}.channels-grid{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.channel-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 28px;transition:all .3s;position:relative;overflow:hidden}.channel-card:before{content:"";background:var(--gradient-primary);opacity:0;height:3px;transition:opacity .3s;position:absolute;top:0;left:0;right:0}.channel-card:hover{box-shadow:var(--shadow-glow);border-color:#6366f14d;transform:translateY(-4px)}.channel-card:hover:before{opacity:1}.channel-icon{background:#6366f11a;border-radius:14px;justify-content:center;align-items:center;width:56px;height:56px;margin-bottom:20px;font-size:1.6rem;display:flex}.channel-card h3{margin-bottom:10px;font-size:1.2rem;font-weight:700}.channel-card p{color:var(--text-secondary);font-size:.95rem;line-height:1.7}.channel-badge{color:var(--success);background:#10b9811a;border-radius:6px;margin-top:16px;padding:4px 12px;font-size:.8rem;font-weight:600;display:inline-flex}.steps-section{background:linear-gradient(#0000 0%,#6366f108 50%,#0000 100%)}.steps{grid-template-columns:repeat(3,1fr);gap:40px;display:grid;position:relative}.steps:before{content:"";background:linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);opacity:.3;height:2px;position:absolute;top:48px;left:20%;right:20%}.step{text-align:center;position:relative}.step-number{background:var(--gradient-primary);z-index:1;border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto 24px;font-size:1.4rem;font-weight:800;display:flex;position:relative;box-shadow:0 0 30px #6366f14d}.step h3{margin-bottom:10px;font-size:1.2rem;font-weight:700}.step p{color:var(--text-secondary);font-size:.95rem}.pricing-grid{grid-template-columns:repeat(3,1fr);align-items:start;gap:24px;display:grid}.pricing-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px 32px;transition:all .3s}.pricing-card.featured{border-color:var(--primary);box-shadow:var(--shadow-glow);position:relative;transform:scale(1.05)}.pricing-card.featured:before{content:"人気";background:var(--gradient-primary);border-radius:9999px;padding:4px 20px;font-size:.8rem;font-weight:700;position:absolute;top:-12px;left:50%;transform:translate(-50%)}.pricing-card h3{margin-bottom:8px;font-size:1.3rem;font-weight:700}.pricing-price{margin-bottom:8px;font-size:2.8rem;font-weight:800}.pricing-price span{color:var(--text-secondary);font-size:1rem;font-weight:400}.pricing-description{color:var(--text-secondary);border-bottom:1px solid var(--border);margin-bottom:32px;padding-bottom:32px;font-size:.9rem}.pricing-features{flex-direction:column;gap:12px;margin-bottom:32px;list-style:none;display:flex}.pricing-features li{color:var(--text-secondary);align-items:center;gap:10px;font-size:.9rem;display:flex}.pricing-features li:before{content:"✓";color:var(--success);font-weight:700}.pricing-btn{text-align:center;cursor:pointer;border:none;border-radius:10px;width:100%;padding:14px;font-size:1rem;font-weight:700;text-decoration:none;transition:all .2s;display:block}.pricing-btn-primary{background:var(--gradient-primary);color:#fff}.pricing-btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 20px #6366f166}.pricing-btn-outline{border:1px solid var(--border);color:var(--text-primary);background:0 0}.pricing-btn-outline:hover{border-color:var(--primary);background:#6366f11a}.gradient-text{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.hero-trust{gap:24px;margin-top:32px;animation:.6s ease-out .4s both fadeInUp;display:flex}.hero-trust span{color:var(--text-muted);font-size:.85rem}.hero-illustration{position:relative}.stats-section{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:#6366f108;padding:60px 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var(--border);max-width:1200px;margin:0 auto;padding:60px 24px 32px}.footer-inner{justify-content:space-between;align-items:center;display:flex}.footer-copy{color:var(--text-muted);font-size:.85rem}.footer-links{gap:24px;list-style:none;display:flex}.footer-links a{color:var(--text-muted);font-size:.85rem;text-decoration:none;transition:color .2s}.footer-links a:hover{color:var(--text-primary)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes messageIn{0%{opacity:0;transform:translateY(10px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}@media (max-width:768px){.hero-inner{grid-template-columns:1fr;gap:40px}.hero h1{font-size:2.2rem}.hero-buttons{flex-direction:column}.hero-trust{flex-direction:column;gap:8px}.stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}.demo-wrapper,.channels-grid,.steps,.pricing-grid{grid-template-columns:1fr}.pricing-card.featured{transform:none}.nav-links{display:none}.footer-inner{text-align:center;flex-direction:column;gap:16px}}