:root{--primary-color: #0056b3;--secondary-color: #00a8cc;--accent-color: #ff9f1c;--dark-bg: #0f172a;--light-bg: #f8fafc;--text-main: #1e293b;--text-light: #64748b;--white: #ffffff;--glass-bg: rgba(255, 255, 255, .9);--container-padding: 2rem;--section-spacing: 5rem;--font-family-base: "Inter", "Noto Sans JP", sans-serif;--shadow-sm: 0 1px 3px rgba(0,0,0,.1);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.1);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: 1rem}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family-base);color:var(--text-main);background-color:var(--light-bg);line-height:1.6}a{text-decoration:none;color:inherit;transition:opacity .3s}ul{list-style:none}img{max-width:100%;display:block}.container{max-width:1200px;margin:0 auto;padding:0 var(--container-padding)}.section{padding:var(--section-spacing) 0}.section-title{text-align:center;font-size:2.25rem;font-weight:700;margin-bottom:3rem;color:var(--dark-bg)}.section-desc{text-align:center;color:var(--text-light);margin-bottom:2rem}.header{position:fixed;top:0;left:0;width:100%;background:#ffffffd9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:1000;box-shadow:var(--shadow-sm);height:70px;display:flex;align-items:center}.header-container{display:flex;justify-content:space-between;align-items:center;width:100%}.logo{font-size:1.5rem;font-weight:800;color:var(--primary-color);letter-spacing:-.05em}.nav ul{display:flex;gap:2rem;align-items:center}.nav a{font-weight:500;font-size:.95rem}.nav a:hover{color:var(--primary-color)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all .2s ease;border:none}.btn-primary{background-color:var(--primary-color);color:var(--white);box-shadow:0 4px 14px #0056b366}.btn-primary:hover{background-color:#004494;transform:translateY(-1px)}.btn-secondary{background-color:var(--white);color:var(--text-main);border:1px solid #e2e8f0}.btn-secondary:hover{background-color:#f1f5f9}.btn-white{background-color:var(--white);color:var(--primary-color);font-weight:700}.btn-white:hover{background-color:#f8fafc}.btn.sm{padding:.5rem 1rem;font-size:.875rem}.btn.lg{padding:1rem 2rem;font-size:1.125rem}.mobile-menu-btn{display:none;flex-direction:column;justify-content:space-around;width:30px;height:24px;background:transparent;border:none;cursor:pointer;z-index:1001}.mobile-menu-btn span{width:100%;height:3px;background-color:var(--dark-bg);border-radius:2px;transition:all .3s}.mobile-menu{position:fixed;top:0;right:-100%;width:80%;max-width:300px;height:100vh;background:var(--white);box-shadow:-5px 0 15px #0000001a;padding:5rem 0;transition:right .3s ease;z-index:999}.mobile-menu.active{right:0}.mobile-menu ul{display:flex;flex-direction:column;gap:1.5rem}.mobile-menu a{display:block;padding:.75rem 2rem;font-size:1.25rem;font-weight:600;color:var(--dark-bg)}.mobile-menu .btn-primary{color:var(--white);margin:0 2rem;width:calc(100% - 4rem)}.hero{padding-top:140px;padding-bottom:80px;background:radial-gradient(circle at top right,#e0f2fe,#fff);overflow:hidden}.hero-container{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}.hero-content h1{font-size:2.75rem;font-weight:800;line-height:1.2;margin-bottom:1.5rem;background:-webkit-linear-gradient(45deg,var(--dark-bg),var(--primary-color));background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}@media(max-width:1200px){.hero-content h1{font-size:2.1rem}}.hero-content p{font-size:1.125rem;color:var(--text-light);margin-bottom:2.5rem}.hero-actions{display:flex;gap:1rem}.hero-image{position:relative}.device-mockup{background:var(--white);padding:0;border:1px solid #e2e8f0;border-radius:var(--radius-md);box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;overflow:hidden}.device-mockup img{width:100%}.chat-interface{display:flex;flex-direction:column;gap:1rem}.message{padding:1rem;border-radius:1rem;max-width:85%;font-size:.95rem}.message.user{align-self:flex-end;background-color:var(--primary-color);color:var(--white);border-bottom-right-radius:.25rem}.message.ai{align-self:flex-start;background-color:#f1f5f9;color:var(--text-main);border-bottom-left-radius:.25rem}.problem-section{background-color:var(--white)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.card{background:var(--light-bg);padding:2rem;border-radius:var(--radius-lg);border:1px solid #e2e8f0;transition:transform .3s}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}.card .icon{color:var(--primary-color);margin-bottom:1rem}.card .icon svg{width:48px;height:48px}.card h3{font-size:1.25rem;margin-bottom:.75rem;font-weight:700}.card p{color:var(--text-light);font-size:.95rem}.solution-section{background-color:var(--light-bg)}.feature-row{display:flex;align-items:center;gap:4rem;margin-bottom:4rem}.feature-row.reverse{flex-direction:row-reverse}.feature-text{flex:1}.feature-text h3{font-size:1.75rem;margin-bottom:1rem;font-weight:700;color:var(--primary-color)}.feature-text p{color:var(--text-light);font-size:1.05rem}.feature-visual{flex:1;display:flex;justify-content:center}.visual-box{background:var(--white);padding:2rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);font-weight:700;color:var(--dark-bg);font-size:1.1rem;display:flex;align-items:center;gap:1rem}.step{padding:.5rem 1rem;background:#f1f5f9;border-radius:var(--radius-sm)}.step.highlight{background:var(--primary-color);color:var(--white)}.arrow{color:var(--text-light)}.showcase-section{background:linear-gradient(to bottom,var(--light-bg),var(--white))}.showcase-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:3rem;margin-top:3rem}.showcase-item{text-align:center}.browser-mockup,.phone-mockup{background:var(--white);border-radius:var(--radius-md);box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;margin-bottom:1.5rem;overflow:hidden;border:1px solid #e2e8f0}.browser-mockup{height:300px;display:flex;align-items:center;justify-content:center;background:#f8fafc}.phone-mockup{height:400px;max-width:280px;margin-left:auto;margin-right:auto;background:#fff;border:4px solid #334155;border-radius:2rem;display:flex;align-items:center;justify-content:center}.mockup-content{width:100%;padding:1rem}.mockup-content.knowledge-screen{padding:0}.chat-bubble{padding:.75rem;border-radius:1rem;margin-bottom:.5rem;font-size:.85rem;text-align:left}.chat-bubble.left{background:var(--primary-color);color:#fff;margin-right:2rem}.chat-bubble.right{background:#e2e8f0;margin-left:2rem}.showcase-caption{font-weight:600;color:var(--text-light)}.features-section{background-color:var(--white)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.feature-item{padding:1.5rem}.feature-item h3{font-size:1.25rem;margin-bottom:.5rem;display:flex;align-items:center;gap:.75rem;color:var(--dark-bg)}.feature-item h3 svg{color:var(--primary-color);flex-shrink:0}.feature-item p{color:var(--text-light);padding-left:2.25rem}.pricing-section{background-color:var(--light-bg)}.pricing-table-wrapper{overflow-x:auto}.pricing-table{width:100%;border-collapse:separate;border-spacing:0;background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}.pricing-table th,.pricing-table td{padding:1.25rem;text-align:center;border-bottom:1px solid #e2e8f0}.pricing-table th:first-child,.pricing-table td:first-child{text-align:left;font-weight:600;background:#f8fafc}.pricing-table thead th{background:var(--dark-bg);color:var(--white);font-size:1.1rem}.pricing-table thead th.highlight{background:var(--primary-color);position:relative}.pricing-table td.highlight-cell{background:#f0f9ff;font-weight:700;color:var(--primary-color)}.pricing-table tr:last-child td{border-bottom:none}.note{margin-top:1rem;font-size:.85rem;color:var(--text-light);text-align:right}.cta-section{padding:0}.cta-box{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:var(--white);padding:5rem 2rem;text-align:center;border-radius:var(--radius-lg);margin-bottom:3rem;box-shadow:var(--shadow-lg)}.cta-box h2{font-size:2.5rem;margin-bottom:1.5rem}.cta-box p{font-size:1.125rem;opacity:.9;max-width:800px;margin:0 auto 2rem}.footer{background:var(--dark-bg);color:var(--text-light);padding:2rem 0;text-align:center;font-size:.9rem}@media(max-width:960px){.hero-container{grid-template-columns:1fr;text-align:center;gap:2rem}.hero-actions{justify-content:center}.hero-content h1{font-size:2.5rem}.hero-content p{width:90%;margin:0 auto 2rem}.feature-row,.feature-row.reverse{flex-direction:column;text-align:center;gap:2rem}.feature-visual{width:100%}.grid-3,.grid-2{grid-template-columns:1fr}.visual-box{flex-wrap:wrap;justify-content:center;gap:.5rem}}@media(max-width:768px){:root{--container-padding: 1.25rem;--section-spacing: 3.5rem}.nav{display:none}.mobile-menu-btn{display:flex}.hero{padding-top:100px;padding-bottom:50px}.hero-content h1{font-size:2rem}.hero-content p{font-size:1rem;margin-bottom:2rem}.hero-actions{flex-direction:column;gap:.75rem}.hero-actions .btn{width:100%}.section-title{font-size:1.75rem;margin-bottom:2rem}.mobile-menu{width:100%;max-width:100%;right:-100%;transition:right .4s cubic-bezier(.16,1,.3,1)}.mobile-menu.active{right:0}.mobile-menu .btn{width:100%}.pricing-table-wrapper{margin:0 calc(var(--container-padding) * -1);padding:0 var(--container-padding);-webkit-overflow-scrolling:touch}.pricing-table th,.pricing-table td{padding:.75rem .5rem;font-size:.8rem;min-width:80px}.pricing-table th:first-child,.pricing-table td:first-child{min-width:100px;position:sticky;left:0;z-index:10;box-shadow:2px 0 5px #0000000d}.cta-box{padding:3rem 1.5rem}.cta-box h2{font-size:1.75rem}.cta-box p{font-size:1rem}}.lt860visible{display:none}@media(max-width:860px)and (min-width:512px){.lt860visible{display:block}}