:root{--primary:#6750a4;--on-primary:#fff;--primary-container:#eaddff;--on-primary-container:#21005d;--secondary:#625b71;--on-secondary:#fff;--secondary-container:#e8def8;--on-secondary-container:#1d192b;--surface:#fdfcff;--on-surface:#1a1c1e;--surface-variant:#e7e0ec;--on-surface-variant:#49454f;--error:#ba1a1a;--on-error:#fff;--outline:#79747e;--background:#fdfcff;--container-width:1200px;--header-height:72px;--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--radius-xl:32px}@media (prefers-color-scheme:dark){:root{--primary:#d0bcff;--on-primary:#381e72;--primary-container:#4f378b;--on-primary-container:#eaddff;--secondary:#ccc2dc;--on-secondary:#332d41;--secondary-container:#4a4458;--on-secondary-container:#e8def8;--surface:#1c1b1f;--on-surface:#e6e1e5;--surface-variant:#49454f;--on-surface-variant:#cac4d0;--error:#ffb4ab;--on-error:#690005;--outline:#938f99;--background:#1c1b1f}}body.light-theme{--primary:#6750a4;--on-primary:#fff;--primary-container:#eaddff;--on-primary-container:#21005d;--secondary:#625b71;--on-secondary:#fff;--secondary-container:#e8def8;--on-secondary-container:#1d192b;--surface:#fdfcff;--on-surface:#1a1c1e;--surface-variant:#e7e0ec;--on-surface-variant:#49454f;--error:#ba1a1a;--on-error:#fff;--outline:#79747e;--background:#fdfcff}body.dark-theme{--primary:#d0bcff;--on-primary:#381e72;--primary-container:#4f378b;--on-primary-container:#eaddff;--secondary:#ccc2dc;--on-secondary:#332d41;--secondary-container:#4a4458;--on-secondary-container:#e8def8;--surface:#1c1b1f;--on-surface:#e6e1e5;--surface-variant:#49454f;--on-surface-variant:#cac4d0;--error:#ffb4ab;--on-error:#690005;--outline:#938f99;--background:#1c1b1f}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--on-surface);font-family:Google Sans Flex,Noto Sans JP,sans-serif;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none;transition:opacity .2s}ul{list-style:none}.container{max-width:var(--container-width);margin:0 auto;padding:0 24px}header{width:100%;height:var(--header-height);z-index:1000;backdrop-filter:blur();background:#ffffff03;transition:all .3s;position:fixed;top:0;left:0}header.scrolled{background-color:var(--surface);background-color:color-mix(in srgb, var(--surface) 80%, transparent);backdrop-filter:blur(12px);box-shadow:0 4px 20px #0000000d}.header-content{justify-content:space-between;align-items:center;height:100%;display:flex}.logo{color:var(--primary);align-items:center;gap:12px;font-size:1.5rem;font-weight:700;display:flex}nav{align-items:center;gap:32px;display:flex}nav a:not(.btn){color:var(--on-surface-variant);font-weight:500;position:relative}nav a:not(.btn):hover{color:var(--primary)}.btn{cursor:pointer;border-radius:22px;justify-content:center;align-items:center;height:44px;padding:0 24px;font-weight:600;transition:transform .2s,box-shadow .2s;display:inline-flex}.btn:active{transform:scale(.98)}.btn-primary{background-color:var(--primary);color:var(--on-primary)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px #6750a44d}.btn-large{border-radius:28px;height:56px;padding:0 36px;font-size:1.1rem}.btn-filled{background-color:var(--primary);color:var(--on-primary)}.btn-outlined{border:2px solid var(--outline);color:var(--primary);background:0 0}.btn-outlined:hover{border-color:var(--primary);background-color:var(--primary-container)}.btn-filled-white{color:var(--primary);background-color:#fff}.btn-filled-white:hover{background-color:#f0f0f0;box-shadow:0 4px 12px #0003}.theme-toggle{color:var(--on-surface-variant);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:8px;transition:background-color .2s,color .2s;display:flex}.theme-toggle:hover{background-color:var(--surface-variant);color:var(--primary)}.hero{padding:160px 0 100px;position:relative;overflow:hidden}.hero-bg-shape{background:radial-gradient(circle, var(--primary-container) 0%, transparent 70%);filter:blur(100px);opacity:.5;z-index:-1;width:80vw;height:80vw;animation:10s ease-in-out infinite alternate pulse;position:absolute;top:-30%;right:-10%}@keyframes pulse{0%{opacity:.5;transform:scale(1)}to{opacity:.7;transform:scale(1.1)}}.hero-content{grid-template-columns:1fr 1fr;align-items:center;gap:60px;display:grid}.hero-text h1{background:linear-gradient(135deg, var(--on-surface) 0%, var(--primary) 100%);-webkit-text-fill-color:transparent;letter-spacing:-.02em;background-clip:text;margin-bottom:24px;font-size:4rem;line-height:1.1}.hero-text p{color:var(--on-surface-variant);max-width:540px;margin-bottom:40px;font-size:1.25rem}.hero-actions{gap:16px;display:flex}.app-mockup{background:var(--surface);border:8px solid var(--surface-variant);border-radius:32px;width:100%;max-width:400px;margin:0 auto;padding:20px;transition:transform .5s;position:relative;transform:perspective(1000px)rotateY(-10deg)rotateX(5deg);box-shadow:0 24px 48px -12px #00000026}.app-mockup:hover{transform:perspective(1000px)rotateY(0)rotateX(0)}.app-header{gap:8px;margin-bottom:20px;display:flex}.app-dot{border-radius:50%;width:10px;height:10px}.red{background:#ff5f57}.yellow{background:#febc2e}.green{background:#28c840}.app-body{flex-direction:column;gap:16px;display:flex}.mock-search{background:var(--surface-variant);border-radius:12px;width:100%;height:40px}.mock-row{background:var(--surface);border:1px solid var(--surface-variant);border-radius:16px;align-items:center;gap:16px;padding:12px;display:flex}.mock-icon{background:var(--primary-container);width:40px;height:40px;color:var(--on-primary-container);border-radius:10px;justify-content:center;align-items:center;display:flex}.mock-lines{flex-direction:column;flex:1;gap:6px;display:flex}.mock-line{background:var(--surface-variant);border-radius:4px;height:8px}.w-80{width:80%}.w-40{width:40%}.w-60{width:60%}.w-30{width:30%}.w-70{width:70%}.w-50{width:50%}.floating-shield{background:var(--primary);width:80px;height:80px;color:var(--on-primary);border-radius:24px;justify-content:center;align-items:center;animation:4s ease-in-out infinite float;display:flex;position:absolute;top:-30px;right:-30px;box-shadow:0 12px 24px #6750a466}.floating-shield span{font-size:40px}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-15px)}}.features{background:var(--surface-variant);padding:100px 0}.features .card{cursor:pointer}.section-title{text-align:center;color:var(--on-surface);margin-bottom:60px;font-size:2.5rem}.grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:32px;display:grid}.card{background:var(--surface);border-radius:var(--radius-lg);border:1px solid #0000;padding:40px;transition:transform .3s,box-shadow .3s}.card:hover{border-color:var(--primary-container);transform:translateY(-8px);box-shadow:0 16px 32px #0000000d}.card .icon{color:var(--primary);margin-bottom:24px;font-size:48px;transition:transform .3s;display:inline-block}.card h3{color:var(--on-surface);margin-bottom:16px;font-size:1.5rem}.card p{color:var(--on-surface-variant);line-height:1.7}.card:hover .icon{transform:scale(1.1)rotate(5deg)}.why-soul{background:var(--surface);padding:100px 0}.section-subtitle{text-align:center;color:var(--on-surface-variant);max-width:700px;margin-bottom:60px;margin-left:auto;margin-right:auto;font-size:1.1rem}.problem-solution-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:32px;display:grid}.ps-card{border-radius:var(--radius-lg);border:1px solid var(--outline);flex-direction:column;height:100%;display:flex;overflow:hidden;box-shadow:0 4px 24px #0000000d}.problem{background:color-mix(in srgb, var(--error) 8%, var(--surface));border-bottom:1px solid var(--outline);flex:1;padding:32px}.solution{background:color-mix(in srgb, var(--primary) 8%, var(--surface));flex:1;padding:32px}.ps-icon{border-radius:12px;justify-content:center;align-items:center;width:48px;height:48px;margin-bottom:16px;font-size:24px;display:flex}.problem-icon{background:var(--surface);color:var(--error);box-shadow:0 2px 8px #0000000d}.solution-icon{background:var(--primary);color:var(--on-primary);box-shadow:0 4px 12px #6750a44d}.ps-card h4{color:var(--on-surface);margin-bottom:12px;font-size:1.25rem}.limitations{background:var(--surface-variant);padding:100px 0}.comparison{padding:100px 0}.comparison-wrapper{border-radius:var(--radius-lg);box-shadow:0 0 0 1px var(--outline);overflow-x:auto}.comparison-table{border-collapse:collapse;width:100%;min-width:800px}.comparison-table th,.comparison-table td{text-align:center;border-bottom:1px solid var(--surface-variant);padding:20px}.comparison-table thead th{background:var(--surface-variant);color:var(--on-surface);font-weight:700}.comparison-table .brand-col{background:var(--primary-container);color:var(--on-primary-container);font-size:1.1rem}.comparison-table tbody th{text-align:left;color:var(--on-surface);background:var(--surface);font-weight:600;position:sticky;left:0}.comparison-table .highlight{color:var(--primary);background:color-mix(in srgb, var(--primary-container) 30%, transparent);font-weight:700}.check_circle{color:#28c840}.cancel{color:#ff5f57}.security{background:var(--surface);padding:100px 0}.security-visual{flex-wrap:wrap;justify-content:center;align-items:center;gap:40px;margin-bottom:80px;display:flex}.sec-step{flex-direction:column;align-items:center;gap:16px;display:flex;position:relative}.sec-icon{background:var(--surface);border:2px solid var(--primary);width:96px;height:96px;color:var(--primary);z-index:2;border-radius:50%;justify-content:center;align-items:center;font-size:40px;display:flex;box-shadow:0 8px 24px #0000000d}.sec-step p{text-align:center;color:var(--on-surface);font-weight:700}.sec-arrow{color:var(--outline);font-size:32px}.security-details{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:40px;display:grid}.security-item h4{color:var(--primary);align-items:center;gap:12px;margin-bottom:16px;font-size:1.25rem;display:flex}.audit{padding:40px 0 80px}.audit-card{background:linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);border-radius:var(--radius-lg);color:var(--on-primary);justify-content:space-between;align-items:center;gap:40px;padding:60px;display:flex;box-shadow:0 20px 40px #6750a44d}.audit-text h2{color:var(--on-primary);align-items:center;gap:16px;margin-bottom:16px;font-size:2rem;display:flex}.audit-text p{opacity:.9;max-width:600px;color:var(--on-primary);font-size:1.1rem}.faq{background:var(--surface-variant);padding:100px 0}.faq-grid{flex-direction:column;gap:16px;max-width:800px;margin:0 auto;display:flex}.faq-item{background:var(--surface);border-radius:var(--radius-md);overflow:hidden}.faq-item summary{cursor:pointer;color:var(--on-surface);padding:24px;font-weight:600;list-style:none;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--primary);font-size:1.5rem;position:absolute;right:24px}.faq-item[open] summary:after{content:"-"}.faq-item p{color:var(--on-surface-variant);padding:0 24px 24px;line-height:1.7}.tech-stack{text-align:center;padding:80px 0}.tech-logos{flex-wrap:wrap;justify-content:center;gap:24px;display:flex}.tech-badge{background:var(--surface-variant);color:var(--on-surface-variant);border-radius:100px;padding:12px 24px;font-weight:600}footer{background:var(--surface);border-top:1px solid var(--outline);padding:80px 0 40px}.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:60px;display:grid}.footer-brand .logo{margin-bottom:24px}.footer-brand p{color:var(--on-surface-variant);max-width:300px}.footer-links h4,.footer-social h4{color:var(--on-surface);margin-bottom:24px;font-size:1.1rem}.footer-links a{color:var(--on-surface-variant);margin-bottom:12px;display:block}.footer-links a:hover{color:var(--primary)}.social-icons{gap:16px;display:flex}.social-icons a{background:var(--surface-variant);width:40px;height:40px;color:var(--on-surface);border-radius:50%;justify-content:center;align-items:center;transition:background .2s;display:flex}.social-icons a:hover{background:var(--primary-container);color:var(--on-primary-container)}.footer-bottom{text-align:center;border-top:1px solid var(--surface-variant);color:var(--outline);padding-top:40px;font-size:.9rem}.back-to-top{background:var(--primary);width:56px;height:56px;color:var(--on-primary);cursor:pointer;opacity:0;visibility:hidden;z-index:900;border:none;border-radius:50%;justify-content:center;align-items:center;transition:all .3s;display:flex;position:fixed;bottom:32px;right:32px;transform:translateY(20px);box-shadow:0 4px 12px #0000004d}.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}.modal-overlay{backdrop-filter:blur(5px);z-index:2000;opacity:0;visibility:hidden;background:#0009;justify-content:center;align-items:center;width:100%;height:100%;transition:opacity .3s,visibility .3s;display:flex;position:fixed;top:0;left:0}.modal-overlay.visible{opacity:1;visibility:visible}.modal-content{background:var(--surface);border-radius:var(--radius-lg);width:90%;max-width:600px;padding:40px;transition:transform .3s;position:relative;transform:scale(.95);box-shadow:0 10px 30px #0003}.modal-overlay.visible .modal-content{transform:scale(1)}.modal-close{cursor:pointer;color:var(--on-surface-variant);background:0 0;border:none;border-radius:50%;padding:8px;font-size:24px;display:flex;position:absolute;top:16px;right:16px}.modal-close:hover{background-color:var(--surface-variant)}.modal-title{color:var(--primary);align-items:center;gap:16px;margin-bottom:24px;font-size:2rem;display:flex}.modal-body p{color:var(--on-surface-variant);line-height:1.8}.back-to-top:hover{background:var(--primary-container);color:var(--on-primary-container);transform:translateY(-4px)}.mobile-menu-btn{color:var(--on-surface);cursor:pointer;z-index:1001;background:0 0;border:none;padding:8px;display:none}.mobile-nav{background:var(--surface);z-index:999;width:100%;height:100vh;padding-top:var(--header-height);flex-direction:column;transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;left:0;transform:translate(100%)}.mobile-nav.open{transform:translate(0)}.mobile-nav-content{flex-direction:column;align-items:center;gap:24px;padding:40px 24px;display:flex}.mobile-link{color:var(--on-surface);text-align:center;width:100%;padding:12px;font-size:1.5rem;font-weight:600;transition:color .2s}.mobile-link:hover{color:var(--primary)}.w-full{width:100%}@media (width<=900px){.header-content{padding:0 24px}#desktop-nav{display:none}.mobile-menu-btn{display:block}.hero-content{text-align:center;grid-template-columns:1fr}.hero-text h1{font-size:3rem}.hero-text p{margin:0 auto 40px}.hero-actions{justify-content:center}.app-mockup{margin-top:60px}.footer-grid{text-align:center;grid-template-columns:1fr}.footer-brand p{margin:0 auto}.social-icons{justify-content:center}.audit-card{text-align:center;flex-direction:column;padding:40px}.audit-text h2{justify-content:center}}@media (width<=600px){.hero-text h1{font-size:2.5rem}.header-content{padding:0 16px}}.animate-on-scroll{opacity:0;transition:opacity .6s ease-out,transform .6s ease-out;transform:translateY(20px)}.animate-on-scroll.is-visible{opacity:1;transform:translateY(0)}