/* Design: native CSS, light theme, variance 4/10, motion 2/10, density 4/10.
   System Japanese fonts keep first paint independent of font downloads. */
:root{color-scheme:light;--ink:#263c30;--muted:#617166;--green:#245b48;--line:#e0e6dd;--paper:#f8faf7;font-family:"Segoe UI","Yu Gothic UI","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;font-size:14px;line-height:1.7}a{color:inherit;text-decoration:none}button,a,input,textarea{touch-action:manipulation}button{font:inherit;cursor:pointer}button,a{transition:background .15s,color .15s,box-shadow .15s}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid #78ac91;outline-offset:4px}button:disabled{cursor:wait}.site-header{height:88px;max-width:1320px;margin:auto;padding:0 48px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:11px;font-size:22px;font-weight:650;letter-spacing:-.8px}.brand-mark{position:relative;display:grid;place-items:center;background:var(--green);color:#fff;width:35px;height:37px;border-radius:9px;font-size:24px;font-weight:600;line-height:1}.brand-mark span{position:absolute;right:5px;bottom:6px;color:#bbd6b4;font-size:24px}.site-header nav{display:flex;gap:30px;font-size:12px;color:var(--muted)}.site-header nav a:hover,.site-header nav .nav-active{color:var(--green)}.install-link{display:flex;align-items:center;gap:22px;border:1px solid #ccd8cd;padding:9px 16px;border-radius:7px;font-size:12px;font-weight:600}.install-link:hover{background:#edf3eb}main{max-width:1120px;margin:auto;padding:0 32px}.intro{text-align:center;padding:51px 0 39px}.eyebrow{display:flex;justify-content:center;align-items:center;gap:8px;font-size:11px;color:#496a55;margin-bottom:18px}.status-dot{width:6px;height:6px;background:#61836a;border-radius:50%}.intro h1{font-size:clamp(26px,3vw,39px);letter-spacing:-1.8px;line-height:1.5;font-weight:650;margin:0 0 14px}.intro h1 span{color:var(--green)}.intro>p{font-size:13px;color:var(--muted);line-height:1.9;margin:0}.mobile-break{display:none}.workspace{background:#fff;border:1px solid #dbe3d8;border-radius:16px;box-shadow:0 12px 40px #314b3510,0 2px 5px #314b3503;overflow:hidden;scroll-margin-top:24px}.workspace-bar{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:16px 25px;gap:12px}.workspace-title{display:flex;align-items:center;gap:10px}.workspace-title h2{font-size:13px;margin:0;font-weight:650}.small-mark{background:#edf3eb;color:var(--green);border:1px solid #e0e7dc;border-radius:6px;display:grid;place-items:center;width:26px;height:26px;font-size:15px;font-weight:600}.mode-switch{display:flex;padding:3px;background:#f0f3ed;border:1px solid #e5e9e1;border-radius:7px}.mode-switch button{border:0;background:none;color:#667461;padding:5px 13px;font-size:11px;border-radius:4px}.mode-switch button[aria-pressed=true]{background:white;color:var(--green);box-shadow:0 1px 3px #243c2920}.editor-grid{display:grid;grid-template-columns:1fr 1fr}.draft-pane{padding:26px 27px 18px;border-right:1px solid var(--line)}.result-pane{padding:26px 25px 16px;background:#fcfdfb;min-width:0}.pane-heading{display:flex;justify-content:space-between;align-items:center;gap:8px}.pane-heading label,.pane-heading h2{font-size:13px;font-weight:650;margin:0}.pane-heading>span{font-size:9px;letter-spacing:1.2px;color:#697567}.pane-description{font-size:11px;color:var(--muted);margin:8px 0 16px}#draft{font:400 16px/2.1 "Segoe UI","Yu Gothic UI",Meiryo,sans-serif;color:#324137;background:transparent;width:100%;height:180px;min-height:150px;max-height:400px;resize:vertical;border:0;padding:6px 0;outline-offset:5px}#draft::placeholder{color:#737f74;font-size:14px}.draft-tools{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:#697567;padding-top:8px}.draft-tools button{padding:0;border:0;color:#677264;background:none;font-size:11px}.draft-tools button:hover{color:#214b36}.examples{border-top:1px solid var(--line);margin-top:20px;padding-top:17px}.examples>span{font-size:10px;color:#647363}.examples>div{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}.examples button{background:white;border:1px solid #dfe5db;border-radius:6px;padding:5px 11px;font-size:10px;color:#536951}.examples button:hover,.examples button.selected{background:#f0f5eb;border-color:#c6d7be;color:#375638}.check-row{margin-top:29px;display:flex;align-items:center;justify-content:space-between}.key-hint{font-size:10px;color:#707b6b}.key-hint kbd,.steps kbd{font:inherit;background:#f7f9f4;border:1px solid #dce3d7;border-bottom-width:2px;border-radius:4px;padding:2px 5px}.check-button{display:flex;align-items:center;gap:33px;background:var(--green);color:#fff;border:1px solid var(--green);padding:11px 20px;border-radius:7px;font-size:12px;font-weight:600;box-shadow:0 2px 3px #274a3c14}.check-button:hover{background:#174933}.check-button:disabled{opacity:.6}.check-button span{font-size:18px;line-height:1}.mode-note{font-size:9px;color:#677763;margin:12px 0 0;text-align:right}.empty-state{min-height:360px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.empty-mark{width:60px;height:64px;border:1px solid #d9e4d3;border-radius:13px;background:#f5f8f0;display:grid;place-items:center;position:relative;color:#75916b;font-size:26px;transform:rotate(-5deg);margin-bottom:17px;box-shadow:5px 5px 0 #edf2e6}.empty-mark span{position:absolute;right:-6px;bottom:0;background:#e7efdf;color:#426d39;border:2px solid #fcfdfb;width:25px;height:25px;border-radius:50%;font-size:12px;display:grid;place-items:center}.empty-state h3{font-size:14px;margin:12px 0 8px;color:#4d6547;font-weight:500}.empty-state p{font-size:11px;line-height:1.9;color:#6b7965;margin:0}.empty-labels{display:flex;gap:8px;margin-top:22px}.empty-labels span{font-size:10px;padding:3px 15px;border-radius:5px;border:1px solid #dce5d6;color:#637c58}.workspace-footer{border-top:1px solid var(--line);padding:12px 25px;display:flex;justify-content:space-between;gap:14px;background:#fafcf8;color:#62705d;font-size:10px}.workspace-footer>span:first-child{display:flex;align-items:center;gap:7px}.principles{display:flex;justify-content:center;gap:42px;margin:26px 0 70px;color:#63705d;font-size:11px}.principles b{font-size:9px;letter-spacing:1px;margin-right:7px;color:#6b8264;font-weight:500}.how-section{border-top:1px solid var(--line);padding:45px 20px 55px;display:grid;grid-template-columns:1fr 1fr;gap:60px}.how-title h2{font-size:24px;line-height:1.7;letter-spacing:-.6px;margin:0 0 14px;font-weight:600}.how-title p{font-size:12px;line-height:1.9;color:var(--muted)}.how-title a{display:inline-flex;gap:24px;color:var(--green);font-size:12px;border-bottom:1px solid #bfcfbb;padding-bottom:5px;margin-top:10px}.steps{list-style:none;margin:0;padding:0}.steps li{display:flex;gap:18px;padding:8px 0 18px}.steps li>span{border:1px solid #d8e2d1;display:grid;place-items:center;width:29px;height:29px;flex-shrink:0;border-radius:50%;font-size:11px;color:#5b7850;background:#f5f8f0}.steps h3{font-size:13px;margin:1px 0 6px;font-weight:600}.steps p{font-size:11px;color:var(--muted);margin:0}.site-footer{max-width:1224px;margin:auto;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:28px 24px 35px}.site-footer .brand{font-size:17px}.site-footer .brand-mark{width:27px;height:28px;font-size:18px;border-radius:7px}.site-footer>span,.site-footer>a:last-child{font-size:10px;color:var(--muted)}#results{margin-top:18px}#results .kg-text{font-size:13px}#results .kg-candidate header h3{font-size:13px}#results .kg-warnings{margin-bottom:12px}#action-status{font-size:11px;color:var(--green);min-height:20px}.doc{max-width:760px;margin:40px auto 80px;background:white;border:1px solid var(--line);border-radius:16px;padding:38px}.doc h1{font-size:29px;line-height:1.5;letter-spacing:-1px}.doc h2{font-size:17px;margin-top:32px}.doc p,.doc li{font-size:13px;color:#506352}.doc a{color:var(--green);text-decoration:underline}.doc code{background:#f0f4ec;border-radius:4px;padding:2px 6px;overflow-wrap:anywhere}.doc .download{display:inline-block;text-decoration:none;background:var(--green);color:#fff;padding:10px 20px;border-radius:7px;margin-top:10px}.doc ol{padding-left:22px}.doc li{padding:8px 0}.kg-loading{min-height:160px;display:flex;flex-direction:column;justify-content:center}.kg-loader{flex-shrink:0}@media(min-width:1400px){.intro{padding-top:65px}.workspace{margin-top:6px}.intro h1{font-size:42px}}@media(max-width:800px){.site-header{padding:0 24px;height:74px}.site-header nav{gap:18px}.site-header nav a:first-child{display:none}.brand{font-size:20px}.install-link{font-size:11px;gap:10px}.intro{padding-top:38px}.intro h1{font-size:29px}.draft-pane,.result-pane{padding:22px 20px}.examples button{padding:5px 8px}.principles{gap:18px;font-size:10px}.how-section{gap:32px}.mode-note{font-size:9px}.pane-heading>span{font-size:8px;letter-spacing:.5px}}@media(max-width:640px){main{padding:0 16px}.site-header{height:68px;padding:0 18px;gap:12px}.site-header nav{display:none}.brand{font-size:19px;gap:8px}.brand-mark{width:30px;height:32px;font-size:22px}.install-link{font-size:10px;padding:7px 10px}.intro{padding:36px 0 30px}.eyebrow{font-size:9px;margin-bottom:14px}.intro h1{font-size:27px;letter-spacing:-1px;line-height:1.65}.intro h1 span{display:block}.intro p{font-size:11px}.mobile-break{display:block}.workspace-bar{padding:14px 16px}.mode-switch button{padding:5px 9px;font-size:10px}.workspace-title h2{font-size:12px}.small-mark{display:none}.editor-grid{grid-template-columns:1fr}.draft-pane{border-right:0;border-bottom:1px solid var(--line)}#draft{height:140px;min-height:100px}.empty-state{min-height:265px}.check-row{margin-top:22px}.workspace-footer{flex-direction:column;gap:3px;padding:11px 18px;font-size:9px}.principles{flex-direction:column;gap:10px;margin:24px 8px 40px}.how-section{grid-template-columns:1fr;gap:30px;padding:30px 8px}.how-title h2{font-size:23px}.site-footer{flex-wrap:wrap;margin:0 16px;padding:24px 0}.site-footer>span{display:none}.site-footer>a:last-child{font-size:9px}.doc{padding:24px 20px;margin:20px 16px 50px}.doc h1{font-size:24px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}