:root{--font-display: "Bricolage Grotesque", -apple-system, BlinkMacSystemFont, sans-serif;--font-serif: "Fraunces", Georgia, serif;--bg: #f6f7fb;--surface: #ffffff;--surface-soft: #f9fafd;--ink: #15182a;--ink-soft: #4d5468;--ink-muted: #8a92a6;--accent: #1d6cff;--accent-dark: #0a3fb0;--accent-soft: #e7efff;--border: #e3e6ef;--border-soft: #eef0f6;--success: #1f8a4a;--success-soft: #e7f7ed;--warn: #a37500;--warn-soft: #fff5d8;--danger: #b3343a;--danger-soft: #fdebec;--radius: 10px;--radius-lg: 14px;--shadow: 0 2px 8px rgba(15, 18, 30, .04);--shadow-lg: 0 6px 22px rgba(15, 18, 30, .08);--max: 1180px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--max);margin:0 auto;padding:0 22px}h1,h2,h3,h4{color:var(--ink);line-height:1.22;margin:0 0 14px;font-weight:700}h1{font-size:2.15rem;letter-spacing:-.02em}h2{font-size:1.5rem;margin-top:36px;letter-spacing:-.01em}h3{font-size:1.15rem}h4{font-size:.95rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft)}.site-header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;backdrop-filter:saturate(1.1)}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 22px}.logo{display:inline-flex;align-items:center;gap:10px;font-size:1.15rem;color:var(--ink)}.logo:hover{text-decoration:none}.logo-mark{width:32px;height:32px;border-radius:8px;background-image:linear-gradient(135deg,#1d6cff,#0a3fb0);color:#fff;font-weight:800;font-size:1.05rem;display:inline-flex;align-items:center;justify-content:center}.logo-text{font-weight:600}.logo-text strong{color:var(--accent);font-weight:800}nav a{color:var(--ink-soft);margin-left:22px;font-weight:500;font-size:.95rem;padding:6px 0;border-bottom:2px solid transparent}nav a:hover{color:var(--accent);text-decoration:none}nav a.active{color:var(--accent);border-bottom-color:var(--accent)}.auth-status{margin-left:18px;font-size:.88rem}.auth-status a{color:var(--accent);font-weight:600;padding:6px 12px;border:1px solid var(--accent);border-radius:6px}.auth-status a:hover{background:var(--accent-soft);text-decoration:none}#auth-user-info{display:inline-flex;align-items:center;gap:8px}#auth-user-info strong{color:var(--ink)}#auth-logout-btn{background:transparent;border:1px solid var(--border);color:var(--ink-soft);padding:4px 10px;border-radius:6px;cursor:pointer;font-size:.82rem}#auth-logout-btn:hover{color:var(--danger);border-color:var(--danger)}main.container{padding-top:32px;padding-bottom:60px;min-height:60vh}.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:36px 0 24px;margin-top:48px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:28px}.footer-logo{display:inline-flex;align-items:center;gap:10px;font-size:1.1rem;margin-bottom:10px}.footer-tag{color:var(--ink-soft);font-size:.9rem;max-width:360px}.site-footer ul{list-style:none;padding:0;margin:0}.site-footer ul li{margin:6px 0}.site-footer ul li a{color:var(--ink-soft);font-size:.9rem}.site-footer ul li a:hover{color:var(--accent)}.help-line{color:var(--ink-soft);font-size:.88rem;margin-bottom:8px}.age-tag{display:inline-block;background:var(--accent-soft);color:var(--accent);font-size:.78rem;font-weight:700;padding:4px 10px;border-radius:999px;letter-spacing:.04em}.footer-bottom{border-top:1px solid var(--border-soft);padding-top:16px;color:var(--ink-muted);font-size:.82rem}.footer-bottom p{margin:4px 0}.disclaimer-mini{font-size:.78rem}@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}nav a{margin-left:12px;font-size:.88rem}}@media(max-width:760px){.auth-status{display:none}}@media(max-width:500px){.footer-grid{grid-template-columns:1fr}.header-inner{flex-direction:column;gap:10px;align-items:flex-start}nav{width:100%;overflow-x:auto;white-space:nowrap}nav a{margin-left:0;margin-right:16px}}