:root{--paper:#f7f5ef;--paper-raised:#fffef9;--ink:#1d2a24;--ink-soft:#5f6c65;--line:#d9ded8;--line-strong:#b8c2bb;--moss:#315d48;--moss-strong:#214535;--moss-soft:#dfece4;--sand:#ece4d3;--amber:#9c6420;--rose:#994f53;--shadow:0 12px 40px #1f352a17;--radius:22px;--tap:48px;--content:760px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body{background:var(--paper);min-height:100%;color:var(--ink);text-rendering:optimizelegibility;margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans JP,sans-serif;font-size:16px;line-height:1.6}body{min-height:100dvh}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}:is(button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible){outline-offset:3px;outline:3px solid #5b8e72}a{color:var(--moss-strong)}h1,h2,h3,p{margin-top:0}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.brand-lockup{color:var(--ink);letter-spacing:-.02em;align-items:center;gap:10px;font-weight:760;text-decoration:none;display:inline-flex}.brand-mark{background:var(--moss);color:#fff;border-radius:12px 12px 12px 5px;place-items:center;width:34px;height:34px;font-family:Georgia,serif;font-size:19px;display:grid}.landing{background:radial-gradient(circle at 90% 4%, #a7c4b052, transparent 34rem), radial-gradient(circle at 5% 85%, #dec79e47, transparent 31rem), var(--paper);min-height:100dvh;overflow:hidden}.landing-nav{justify-content:space-between;align-items:center;width:min(100% - 32px,1120px);min-height:76px;margin:0 auto;display:flex}.landing-main{gap:48px;width:min(100% - 32px,1120px);margin:0 auto;padding:48px 0 88px;display:grid}.eyebrow{color:var(--moss);letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px;font-size:.76rem;font-weight:800}.hero h1{letter-spacing:-.055em;max-width:780px;margin-bottom:22px;font-family:Georgia,Yu Mincho,serif;font-size:clamp(2.5rem,10vw,5.5rem);font-weight:500;line-height:.99}.hero-copy{max-width:660px;color:var(--ink-soft);margin-bottom:28px;font-size:clamp(1.03rem,3vw,1.28rem)}.button-row{flex-wrap:wrap;gap:12px;display:flex}.button{min-height:var(--tap);background:var(--moss);color:#fff;cursor:pointer;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-weight:720;text-decoration:none;display:inline-flex}.button:hover{background:var(--moss-strong)}.button.secondary{border-color:var(--line-strong);color:var(--ink);background:#ffffff8a}.button.ghost{color:var(--moss-strong);background:0 0}.button.danger{background:var(--rose)}.button:disabled{cursor:not-allowed;opacity:.55}.principle-grid{gap:14px;display:grid}.principle-card{border-radius:var(--radius);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffef9bf;border:1px solid #3e594a24;padding:22px}.principle-number{color:var(--moss);margin-bottom:24px;font-family:Georgia,serif;font-size:1.5rem;display:block}.principle-card h2{margin-bottom:8px;font-size:1.08rem}.principle-card p{color:var(--ink-soft);margin:0;font-size:.92rem}.auth-page{background:linear-gradient(145deg, #e1ede5b8, transparent 50%), var(--paper);place-items:center;min-height:100dvh;padding:24px 16px;display:grid}.auth-card{border:1px solid var(--line);background:var(--paper-raised);width:min(100%,460px);box-shadow:var(--shadow);border-radius:28px;padding:clamp(24px,7vw,42px)}.auth-card .brand-lockup{margin-bottom:36px}.auth-card h1{margin-bottom:8px;font-family:Georgia,Yu Mincho,serif;font-size:2rem;font-weight:520}.muted{color:var(--ink-soft)}.stack{gap:14px;display:grid}.field{gap:7px;display:grid}.field label{font-size:.88rem;font-weight:720}.field input,.field textarea,.field select{width:100%;min-height:var(--tap);border:1px solid var(--line-strong);color:var(--ink);background:#fff;border-radius:14px;padding:11px 13px}.field textarea{resize:vertical;min-height:112px}.divider{color:var(--ink-soft);grid-template-columns:1fr auto 1fr;align-items:center;gap:10px;font-size:.8rem;display:grid}.divider:before,.divider:after{background:var(--line);content:"";height:1px}.notice{color:#5c481f;background:#fbf5e5;border:1px solid #d9cfaf;border-radius:14px;padding:12px 14px;font-size:.9rem}.error-notice{color:#772f35;background:#fff1f1;border-color:#e8c5c6;justify-content:space-between;align-items:center;gap:12px;display:flex}.notice-action{min-height:var(--tap);color:inherit;cursor:pointer;background:0 0;border:1px solid;border-radius:999px;flex:none;padding:8px 13px;font-weight:720}.app-shell{background:linear-gradient(180deg, #e2ede561, transparent 22rem), var(--paper);min-height:100dvh}.app-header{z-index:20;min-height:62px;padding:max(8px, env(safe-area-inset-top)) 16px 8px;background:color-mix(in srgb, var(--paper) 88%, transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-bottom:1px solid #b8c2bbb8;justify-content:space-between;align-items:center;display:flex;position:sticky;top:0}.icon-button{width:var(--tap);height:var(--tap);color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;display:inline-grid}.icon-button:hover{background:var(--moss-soft)}.workspace{width:min(100%, var(--content));min-height:calc(100dvh - 62px);padding-bottom:calc(92px + env(safe-area-inset-bottom));margin:0 auto}.workspace-main{min-height:calc(100dvh - 154px)}.section-pad{padding:24px 16px}.bottom-nav{z-index:30;min-height:calc(68px + env(safe-area-inset-bottom));border-top:1px solid var(--line);padding:6px max(12px, env(safe-area-inset-right)) env(safe-area-inset-bottom) max(12px, env(safe-area-inset-left));background:color-mix(in srgb, var(--paper-raised) 94%, transparent);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);grid-template-columns:repeat(2,minmax(0,1fr));display:grid;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -9px 32px #273c3114}.nav-button{min-height:56px;color:var(--ink-soft);cursor:pointer;background:0 0;border:0;border-radius:18px;place-items:center;font-size:.77rem;font-weight:720;display:grid;position:relative}.nav-button[aria-current=page]{background:var(--moss-soft);color:var(--moss-strong)}.update-dot{border:2px solid var(--paper-raised);background:var(--amber);border-radius:50%;width:8px;height:8px;position:absolute;top:8px;left:calc(50% + 14px)}.chat-view{flex-direction:column;min-height:calc(100dvh - 154px);display:flex}.message-list{flex:1;align-content:end;gap:18px;padding:24px 16px 176px;display:grid}.message{max-width:min(88%,650px)}.message.user{justify-self:end}.message.assistant{justify-self:start}.message-role{color:var(--ink-soft);margin-bottom:5px;font-size:.72rem;font-weight:760;display:block}.message-bubble{border:1px solid var(--line);background:var(--paper-raised);white-space:pre-wrap;overflow-wrap:anywhere;border-radius:20px 20px 20px 6px;padding:13px 15px}.message.user .message-bubble{border-color:var(--moss);background:var(--moss);color:#fff;border-radius:20px 20px 6px}.empty-chat{text-align:left;align-content:center;gap:16px;min-height:48dvh;display:grid}.empty-chat h1{letter-spacing:-.04em;margin:0;font-family:Georgia,Yu Mincho,serif;font-size:clamp(2rem,8vw,3.6rem);font-weight:520;line-height:1.12}.prompt-chips{gap:9px;display:grid}.prompt-chip{min-height:var(--tap);border:1px solid var(--line-strong);color:var(--ink);cursor:pointer;text-align:left;background:#ffffffad;border-radius:16px;padding:10px 13px}.composer-wrap{z-index:25;right:0;bottom:calc(68px + env(safe-area-inset-bottom));pointer-events:none;padding:10px 12px;position:fixed;left:0}.composer{width:min(100%, calc(var(--content) - 24px));border:1px solid var(--line-strong);background:var(--paper-raised);pointer-events:auto;border-radius:22px;margin:0 auto;padding:8px;display:grid;box-shadow:0 12px 40px #1f352a29}.composer textarea{width:100%;min-height:66px;max-height:min(38dvh,320px);color:var(--ink);resize:none;background:0 0;border:0;outline:0;padding:8px 9px;line-height:1.55}.composer-actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.mode-toggle{min-height:var(--tap);background:var(--paper);border-radius:999px;padding:4px;display:inline-flex}.mode-toggle button{min-height:var(--tap);color:var(--ink-soft);cursor:pointer;background:0 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var(--line-strong);background:var(--paper-raised);box-shadow:var(--shadow);color:var(--moss-strong);cursor:pointer;border-radius:999px;justify-self:center;padding:8px 14px;font-weight:740;position:sticky;bottom:176px}.feedback-suggestion{border:1px solid color-mix(in srgb, var(--rose) 42%, var(--line));background:color-mix(in srgb, var(--paper-raised) 88%, #f4dddd);border-radius:20px;gap:14px;padding:16px;display:grid;box-shadow:0 10px 30px #492a2b17}.feedback-suggestion h2,.feedback-suggestion p,.feedback-suggestion blockquote{margin:0}.feedback-suggestion h2{margin-bottom:6px;font-size:1.05rem;line-height:1.45}.feedback-suggestion p{color:var(--ink-soft);font-size:.9rem}.feedback-suggestion .feedback-suggestion-kicker{color:var(--rose);letter-spacing:.08em;margin-bottom:5px;font-size:.76rem;font-weight:800}.feedback-suggestion blockquote{border-left:4px solid var(--rose);background:color-mix(in srgb, var(--paper-raised) 82%, 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(min-width:680px){.landing-main{padding-top:84px}.principle-grid{grid-template-columns:repeat(3,1fr)}.map-grid.two-up{grid-template-columns:repeat(2,minmax(0,1fr))}.graph-flow{grid-template-columns:1fr auto 1fr auto 1fr;align-items:start}.graph-arrow{align-self:center;transform:rotate(-90deg)}.feedback-suggestion-actions{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:980px){.app-shell{padding-left:92px}.app-header{margin-left:-92px;padding-left:24px;padding-right:24px}.bottom-nav{border-top:0;border-right:1px solid var(--line);grid-template-rows:76px 76px;grid-template-columns:1fr;align-content:start;width:92px;min-height:calc(100dvh - 62px);padding:12px 8px;top:62px;right:auto}.workspace{padding-bottom:24px}.composer-wrap{bottom:16px;left:92px}}@media (prefers-color-scheme:dark){:root{--paper:#121512;--paper-raised:#1b211d;--ink:#eef4ef;--ink-soft:#abb8b0;--line:#354039;--line-strong:#536158;--moss:#78a88d;--moss-strong:#c9e5d3;--moss-soft:#253b2f;--sand:#413826;--shadow:0 12px 40px #00000040;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}.field input,.field textarea,.field select{background:#141915}.message.user .message-bubble,.button,.send-button{color:#102117}.notice{color:#eedaaa;background:#342c1a}.error-notice{color:#f3c6c9;background:#3b2225}.feedback-suggestion .feedback-suggestion-kicker{color:#efb4b8}.success-notice{color:#cfe8d8;background:#1e3328}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}