.header{position:sticky;top:0;z-index:100;background:#fffffff2;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.logo-img{height:36px;width:auto;display:block}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 32px;max-width:1200px;margin:0 auto}.header-nav{display:flex;align-items:center;gap:32px}.header-nav a{font-size:.9rem;font-weight:500;color:var(--text-muted);text-decoration:none;transition:color .15s}.header-nav a:hover{color:var(--primary)}.header-actions{display:flex;align-items:center;gap:12px}.header-login{background:transparent;border-color:transparent;color:var(--text-muted);padding:8px 12px}.header-login-disabled{opacity:.4;cursor:default;pointer-events:none}.hamburger{display:none;background:none;border:none;cursor:pointer;padding:4px;color:var(--text)}.hamburger svg{width:24px;height:24px}.mobile-nav{display:none;flex-direction:column;gap:0;padding:0 32px 16px;border-bottom:1px solid var(--border);background:#fffffffa}.mobile-nav.open{display:flex}.mobile-nav a,.mobile-nav-waitlist,.mobile-nav-login-disabled{display:block;padding:12px 0;font-family:Noto Sans JP,sans-serif;font-size:.95rem;font-weight:500;line-height:1.5;color:var(--text-muted);text-decoration:none;border-bottom:1px solid var(--border);transition:color .15s}.mobile-nav>:last-child{border-bottom:none}.mobile-nav a:hover,.mobile-nav a:active,.mobile-nav-waitlist:hover{color:#1b4fff8c}.mobile-nav-waitlist{background:none;border-top:none;border-left:none;border-right:none;cursor:pointer;text-align:left;width:100%}.mobile-nav-login-disabled{opacity:.4;cursor:default}@media(max-width:768px){.header-inner{padding:14px 20px}.header-nav,.header-actions .btn{display:none}.hamburger{display:block}}.footer{background:var(--text);color:#94a3b8;padding:64px 0 32px}.footer-inner{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;max-width:1200px;margin:0 auto;padding:0 32px}.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:16px}.footer-logo{height:42px;width:auto;filter:brightness(0) invert(1) brightness(.85)}.footer-brand p{font-size:.88rem;line-height:1.7;color:#94a3b8}.footer-col h4{color:#e2e8f0;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:16px}.footer-col a{display:block;color:#94a3b8;text-decoration:none;font-size:.88rem;padding:4px 0;transition:color .15s}.footer-col a:hover{color:#e2e8f0}.footer-waitlist-link{display:block;color:#94a3b8;font-size:.88rem;padding:4px 0;background:none;border:none;cursor:pointer;text-align:left;transition:color .15s}.footer-waitlist-link:hover{color:#e2e8f0}.footer-bottom{max-width:1200px;margin:48px auto 0;padding:24px 32px 0;border-top:1px solid #334155;text-align:center;font-size:.82rem;color:#64748b}@media(max-width:768px){.footer-inner{grid-template-columns:1fr 1fr;gap:32px;padding:0 20px}.footer-brand{grid-column:1 / -1}.footer-bottom{padding:24px 20px 0}}@media(max-width:480px){.footer-inner{grid-template-columns:1fr}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f8fafc;--bg-card: #ffffff;--bg-input: #ffffff;--border: #e2e8f0;--text: #1e293b;--text-muted: #64748b;--primary: #1b4fff;--primary-hover: #1440e8;--primary-light: #eef2ff;--danger: #ef4444;--success: #22c55e;--warning: #f59e0b;--radius: 10px}html{scroll-behavior:smooth}body{font-family:Noto Sans JP,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}.logo{font-size:1.3rem;font-weight:700;background:linear-gradient(135deg,#5b8dff,#1b4fff,#0f2eb3);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-decoration:none;cursor:pointer}.logo-lg{font-size:1.6rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:6px;font-size:.9rem;font-weight:600;font-family:inherit;cursor:pointer;border:1px solid var(--border);background:var(--bg-card);color:var(--text);transition:all .15s cubic-bezier(.4,0,.2,1);text-decoration:none}.btn:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);color:#fff}.btn-lg{padding:12px 28px;font-size:1rem}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 1px 3px #0000000a;padding:24px;transition:all .2s cubic-bezier(.4,0,.2,1)}.card:hover{border-color:var(--primary);box-shadow:0 4px 12px #1b4fff1a;transform:translateY(-2px)}.container{max-width:1200px;margin:0 auto;padding:0 32px}.section{padding:96px 0}.section-header{text-align:center;margin-bottom:56px}.section-title{font-size:2.2rem;font-weight:700;color:var(--text);margin-bottom:12px}.section-subtitle{font-size:1.1rem;color:var(--text-muted);max-width:600px;margin:0 auto;line-height:1.7}.badge{display:inline-block;padding:4px 12px;border-radius:20px;font-size:.78rem;font-weight:600;background:var(--primary-light);color:var(--primary)}@media(max-width:768px){.container{padding:0 20px}.section{padding:64px 0}.section-title{font-size:1.7rem}}