:root{--bg: #f7f8fc;--panel: #ffffff;--border: #e4e7ef;--text: #1a1d2b;--muted: #6c7289;--accent: #1f3b8e;--accent-soft: #dfe4f6;--danger: #c53030;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Hiragino Sans,Noto Sans JP,sans-serif;font-size:15px;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;color:inherit;background:none;border:1px solid var(--border);border-radius:6px;padding:6px 12px;cursor:pointer}button:hover{background:var(--accent-soft)}button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}button.primary:hover{background:#16306e}input,select,textarea{font:inherit;padding:6px 10px;border:1px solid var(--border);border-radius:6px;background:#fff}.container{max-width:1100px;margin:0 auto;padding:16px}.navbar{background:#fff;border-bottom:1px solid var(--border);padding:12px 24px;display:flex;gap:24px;align-items:center;position:sticky;top:0;z-index:10}.navbar .brand{font-weight:700;color:var(--accent);font-size:16px}.nav-toggle{background:none;border:1px solid var(--border);border-radius:6px;padding:6px 12px;cursor:pointer;font-size:18px;line-height:1;color:var(--text)}.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}@media (max-width: 640px){.navbar .nav-inline{display:none}.navbar{gap:12px;padding:10px 16px}}.nav-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:30;animation:nav-fade .15s ease}@keyframes nav-fade{0%{opacity:0}to{opacity:1}}.nav-drawer{position:fixed;top:0;left:0;bottom:0;width:min(320px,85vw);background:#fff;box-shadow:2px 0 16px #00000026;z-index:40;padding:52px 0 24px;display:flex;flex-direction:column;overflow-y:auto;animation:nav-slide .2s ease}@keyframes nav-slide{0%{transform:translate(-100%)}to{transform:translate(0)}}.nav-drawer .nav-drawer-close{position:absolute;top:8px;right:8px;background:none;border:none;font-size:22px;cursor:pointer;color:var(--muted);padding:4px 12px;line-height:1}.nav-drawer .nav-drawer-close:hover{color:var(--text)}.nav-drawer a{display:block;padding:10px 24px;color:var(--text);font-size:14px;border-left:3px solid transparent;text-decoration:none}.nav-drawer a:hover{background:var(--accent-soft);border-left-color:var(--accent);color:var(--accent)}.nav-drawer-section{padding:10px 24px 4px;font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-top:8px;font-weight:700}.nav-drawer-section:first-of-type{margin-top:0}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:12px}.tag{display:inline-block;background:var(--accent-soft);color:var(--accent);padding:2px 8px;border-radius:999px;font-size:12px;margin-right:6px}.muted{color:var(--muted)}.hero{background:linear-gradient(135deg,#1f3b8e,#5068c4);color:#fff;padding:48px 24px;border-radius:12px;margin-bottom:24px}.hero h1{margin:0 0 8px;font-size:28px}.hero p{margin:0;opacity:.9}.grid{display:grid;gap:12px}.grid.cols-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.grid.cols-2{grid-template-columns:repeat(auto-fill,minmax(340px,1fr))}.chat-turn{background:#fff;padding:12px 16px;border-radius:8px;margin-bottom:8px;border:1px solid var(--border)}.chat-turn.user{background:var(--accent-soft);border-color:var(--accent-soft)}pre.legal{white-space:pre-wrap;font-family:inherit;background:#fafbfe;padding:12px;border-radius:6px;border:1px solid var(--border)}.sidebar{position:sticky;top:72px;align-self:start;max-height:calc(100vh - 80px);overflow-y:auto;padding-right:8px}.detail-layout{display:grid;grid-template-columns:260px 1fr;gap:24px}@media (max-width: 768px){.detail-layout{grid-template-columns:1fr}.sidebar{position:static;max-height:none}}