:root{--bg:#fafaf7;--surface:#fff;--text:#2b2f33;--muted:#5b646c;--accent:#2f5d8a;--accent-strong:#244a6f;--soft:#e8eef3;--line:#d5dde3;--ok:#3f7a5a;--ok-soft:#edf5f0;--warn-bg:#fbf4e6;--warn-line:#d9b56a;--radius:12px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);overflow-wrap:anywhere;margin:0;font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic UI,Noto Sans JP,Meiryo,system-ui,sans-serif;font-size:17px;line-height:1.8}h1,h2,legend{text-wrap:balance;line-height:1.5}h1:focus{outline:none}p{margin:0 0 1em}a{color:var(--accent);text-underline-offset:3px}:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}.sr-only{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.muted{color:var(--muted);font-size:.92em}.page{max-width:720px;min-height:100dvh;margin:0 auto;padding:24px 16px 40px}.narrow{max-width:640px}.title{margin:16px 0 20px;font-size:1.5rem;font-weight:600}.btn{min-height:48px;font:inherit;cursor:pointer;color:var(--text);background:0 0;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:10px 22px;font-weight:600;transition:background-color .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-strong)}.btn-secondary{background:var(--surface);border-color:var(--accent);color:var(--accent)}.btn-secondary:hover:not(:disabled){background:var(--soft)}.btn-quiet{color:var(--accent);text-underline-offset:4px;padding-inline:12px;text-decoration:underline}.btn-quiet:hover:not(:disabled){background:var(--soft)}.btn-lg{min-height:60px;padding:14px 36px;font-size:1.15rem}.btn-sm{min-height:44px;padding:6px 14px;font-size:.9rem}.linklike{color:var(--accent);font:inherit;cursor:pointer;background:0 0;border:0;padding:8px 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12px;font-size:1.1rem}.foot{text-align:center;color:var(--muted);font-size:.85rem}.foot p{margin:0 0 4px}.notice{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);margin:0 0 16px;padding:14px 16px;font-size:.95rem}.notice p{margin:0 0 8px}.notice-warn{background:var(--warn-bg);border-color:var(--warn-line)}.hint{color:var(--muted);font-size:.95rem}.plain-list{margin:0 0 1em;padding-left:1.3em}.plain-list li{margin-bottom:.5em}.talk{flex-direction:column;height:100dvh;min-height:0;padding-bottom:12px;display:flex}.talk-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px;display:flex}.talk-head .row{margin-top:0}.talk-title{margin:0;font-size:1.15rem;font-weight:600}.log{flex-direction:column;flex:1;gap:22px;min-height:120px;padding:8px 4px 20px 0;display:flex;overflow-y:auto}.msg{max-width:92%}.msg p{white-space:pre-wrap;margin:0}.who{color:var(--muted);letter-spacing:.06em;margin-bottom:2px;font-size:.78rem;display:block}.msg-user{background:var(--soft);border-radius:var(--radius);align-self:flex-end;padding:10px 16px}.msg-assistant{border-left:3px solid var(--accent);align-self:flex-start;padding:2px 0 2px 14px}.thinking{color:var(--muted)}.chips{border-top:1px solid var(--line);flex-wrap:wrap;gap:8px;margin:0;padding:10px 0 12px;display:flex}.chip{border:1px solid var(--accent);background:var(--surface);min-height:44px;color:var(--accent);font:inherit;cursor:pointer;border-radius:999px;padding:8px 16px;font-size:.95rem}.chip:hover{background:var(--soft)}.chip[aria-pressed=true]{background:var(--soft);font-weight:600}.composer{border-top:1px solid var(--line);padding:12px 0 4px}.chips+.composer{border-top:0;padding-top:0}.composer-voice{border-top:0}textarea{width:100%;font:inherit;color:var(--text);background:var(--surface);border-radius:var(--radius);resize:vertical;border:1px solid #8a959e;min-height:56px;padding:12px 14px}textarea::placeholder{color:#6b747c}.composer-row{align-items:center;gap:10px;margin-top:8px;display:flex}.composer-row .btn-primary{margin-left:auto}.count{color:var(--muted);font-size:.8rem}.wrap-hint{color:var(--muted);margin:6px 0 0;font-size:.88rem}.wrap-hint .linklike{min-height:44px}.help{margin:6px 0 0;font-size:.88rem}.help summary{min-height:44px;color:var(--accent);text-underline-offset:4px;padding:10px 0;text-decoration:underline;list-style:none;display:inline-block}.help summary::-webkit-details-marker{display:none}.help-body{margin-top:8px;font-size:.92rem}.help .help-body{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-top:0;padding:12px 14px}.help-body p{margin:0 0 6px}.help-body ul{margin:0;padding-left:1.2em}.help-body li{margin-bottom:4px}.help-body a{padding:6px 2px;font-weight:700;display:inline-block}.mic{border:1px solid var(--accent);background:var(--surface);min-height:48px;color:var(--accent);font:inherit;cursor:pointer;border-radius:999px;align-items:center;gap:8px;padding:8px 16px;font-weight:600;display:inline-flex}.mic.is-on{background:var(--accent);color:#fff}.mic-lg{justify-content:center;width:100%;min-height:72px;margin-bottom:14px;font-size:1.1rem;display:flex}.listening{color:var(--accent);margin:0 0 8px;font-weight:600}.confirm{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;font-size:.92rem}.confirm p{margin:0}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);min-width:0;margin:0 0 16px;padding:18px 18px 10px}.card h2,.card legend{margin:0 0 10px;padding:0;font-size:1.02rem;font-weight:600}fieldset.card 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