:root{--brand: #0052FF;--brand-dark: #0040CC;--brand-light: #3B7CFF;--brand-pale: #EEF3FF;--ink: #0A1430;--ink-2: #2A3557;--ink-3: #5A6583;--ink-4: #8892AC;--line: #E5E9F2;--line-2: #F0F3F9;--bg: #FFFFFF;--bg-soft: #F7F9FC;--bg-blue: #F4F7FF;--radius: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(10, 20, 48, .04), 0 2px 8px rgba(10, 20, 48, .04);--shadow-md: 0 4px 12px rgba(10, 20, 48, .06), 0 12px 32px rgba(10, 20, 48, .06);--shadow-lg: 0 8px 24px rgba(10, 20, 48, .08), 0 24px 64px rgba(10, 20, 48, .08);--font-display: "Plus Jakarta Sans", "Noto Sans JP", sans-serif;--font-body: "Noto Sans JP", "Plus Jakarta Sans", sans-serif;--font-mono: "JetBrains Mono", monospace}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;font-feature-settings:"palt"}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none}img,svg{display:block;max-width:100%}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.nav{position:sticky;top:0;z-index:100;background:#ffffffd9;backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--line)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}.nav-left{display:flex;align-items:center;gap:40px}.logo{display:flex;align-items:center;gap:8px;font-family:var(--font-display);font-weight:700;font-size:20px;letter-spacing:-.02em;color:var(--ink)}.logo-mark{width:28px;height:28px;border-radius:7px;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-light) 100%);position:relative;flex-shrink:0}.logo-mark:after{content:"";position:absolute;inset:6px;border-radius:3px;background:#fff;clip-path:polygon(0 40%,50% 40%,50% 0,100% 0,100% 60%,50% 60%,50% 100%,0 100%)}.nav-links{display:flex;gap:32px;list-style:none}.nav-links a{font-size:14px;font-weight:500;color:var(--ink-2);transition:color .2s}.nav-links a.active,.nav-links a:hover{color:var(--brand)}.ext-icon{display:inline-block;width:11px;height:11px;margin-left:4px;vertical-align:baseline;color:var(--ink-4);transition:color .2s}.nav-links a:hover .ext-icon{color:var(--brand)}.mobile-ext .ext-icon{width:14px;height:14px;margin-left:6px}.nav-cta{display:flex;gap:8px;align-items:center}.nav-login{font-size:14px;font-weight:500;color:var(--ink-2);padding:10px 14px;transition:color .2s}.nav-login:hover{color:var(--brand)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;font-size:14px;font-weight:600;border-radius:8px;transition:all .2s;white-space:nowrap;cursor:pointer;border:1px solid transparent;font-family:inherit}.btn-primary{background:var(--ink);color:#fff}.btn-primary:hover{background:var(--brand);transform:translateY(-1px)}.btn-outline{background:#fff;color:var(--ink);border-color:var(--line)}.btn-outline:hover{border-color:var(--ink)}.btn-brand{background:var(--brand);color:#fff}.btn-brand:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 8px 20px #0052ff40}.btn-lg{padding:14px 24px;font-size:15px}.btn-block{display:flex;justify-content:center;width:100%;padding:14px 20px;font-size:15px}.nav-toggle{display:none;width:44px;height:44px;border-radius:8px;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;background:transparent;border:none;padding:0;position:relative;z-index:101}.nav-toggle:hover{background:var(--bg-soft)}.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s,opacity .3s}body.menu-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}body.menu-open .nav-toggle span:nth-child(2){opacity:0}body.menu-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.mobile-menu{position:fixed;inset:68px 0 0;background:#fff;z-index:99;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .25s,transform .25s,visibility .25s}body.menu-open .mobile-menu{opacity:1;visibility:visible;transform:translateY(0)}body.menu-open{overflow:hidden}.mobile-menu-inner{padding:24px 24px 48px;display:flex;flex-direction:column;gap:24px;max-width:560px;margin:0 auto}.mobile-menu-links{list-style:none;display:flex;flex-direction:column;gap:0}.mobile-menu-links a{display:flex;align-items:center;justify-content:space-between;padding:18px 4px;font-family:var(--font-display);font-size:17px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line-2);transition:color .2s}.mobile-menu-links a:after{content:"→";color:var(--ink-4);font-weight:400;transition:transform .2s,color .2s}.mobile-menu-links a:hover,.mobile-menu-links a:active{color:var(--brand)}.mobile-menu-links a:hover:after{color:var(--brand);transform:translate(4px)}.mobile-menu-links a.mobile-ext:after{display:none}.mobile-menu-cta{display:flex;flex-direction:column;gap:10px;padding-top:8px}section{padding:80px 0}.section-soft{background:var(--bg-soft)}.section-head{text-align:center;max-width:720px;margin:0 auto 56px}.section-eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--brand);text-transform:uppercase;letter-spacing:.1em;margin-bottom:14px}.section-head h2{font-family:var(--font-display);font-weight:800;font-size:clamp(28px,3vw,36px);line-height:1.25;letter-spacing:-.02em;color:var(--ink);margin-bottom:14px}.section-head p{font-size:16px;color:var(--ink-3);line-height:1.8}.section-cta{text-align:center;margin-top:56px}.link-arrow{display:inline-flex;align-items:center;gap:4px;font-size:14px;font-weight:600;color:var(--brand);transition:gap .2s}.link-arrow:hover{gap:8px}.final-cta{position:relative;padding:100px 0;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);color:#fff;overflow:hidden}.final-cta:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 30%,rgba(255,255,255,.15) 0%,transparent 40%),radial-gradient(circle at 80% 70%,rgba(255,255,255,.1) 0%,transparent 50%);pointer-events:none}.final-cta-inner{position:relative;text-align:center;max-width:720px;margin:0 auto}.final-cta h2{font-family:var(--font-display);font-weight:800;font-size:clamp(28px,3.5vw,42px);line-height:1.25;letter-spacing:-.02em;margin-bottom:20px}.final-cta p{font-size:16px;line-height:1.8;opacity:.9;margin-bottom:32px}.final-cta-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.final-cta .btn-brand{background:#fff;color:var(--brand)}.final-cta .btn-brand:hover{background:var(--ink);color:#fff}.final-cta .btn-outline{background:transparent;color:#fff;border-color:#ffffff4d}.final-cta .btn-outline:hover{border-color:#fff;background:#ffffff1a}footer{background:var(--bg-soft);padding:72px 0 32px;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}.footer-brand .logo{margin-bottom:16px}.footer-brand p{font-size:13px;color:var(--ink-3);line-height:1.7;max-width:300px}.footer-col h4{font-family:var(--font-display);font-weight:700;font-size:13px;color:var(--ink);margin-bottom:16px;letter-spacing:.02em}.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}.footer-col a{font-size:13px;color:var(--ink-3);transition:color .2s}.footer-col a:hover{color:var(--brand)}.footer-col a .ext-icon{width:9px;height:9px;margin-left:3px;vertical-align:baseline;color:var(--ink-4)}.footer-col a:hover .ext-icon{color:var(--brand)}.footer-bottom{padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--ink-4)}@media(max-width:900px){.nav-links,.nav-cta{display:none!important}.nav-toggle{display:flex!important}.nav-left{gap:0}section{padding:64px 0}.section-head{margin-bottom:40px}.section-head h2{font-size:28px}.section-head p{font-size:15px}.final-cta{padding:80px 0}.final-cta h2{font-size:28px}.final-cta h2 br{display:none}.final-cta p{font-size:15px;margin-bottom:28px}.final-cta-buttons{flex-direction:column;align-items:stretch}.final-cta-buttons .btn{width:100%}footer{padding:56px 0 24px}.footer-grid{grid-template-columns:1fr 1fr;gap:32px 20px;margin-bottom:32px}.footer-brand{grid-column:1 / -1}.footer-brand p{max-width:100%}.footer-bottom{font-size:11px}}@media(max-width:480px){.container{padding:0 20px}.section-head h2,.final-cta h2{font-size:24px}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-brand{grid-column:auto}}