:root{--bg:#f4f4ee;--ink:#222820;--muted:#6b7066;--green:#c6e79b;--line:#d9dcd1}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button,select{font:inherit}button,a,summary,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible,select:focus-visible{outline:3px solid #658b38;outline-offset:5px}.skip{position:absolute;top:-100px}.skip:focus{top:0;background:white;z-index:10}header{height:96px;display:flex;align-items:center;justify-content:space-between;max-width:1440px;padding:0 5%;margin:auto;border-bottom:1px solid var(--line)}.logo{font-size:34px;font-weight:750;letter-spacing:-2px;display:inline-flex;align-items:center;gap:10px}.logo-dot{display:inline-block;width:15px;height:15px;border-radius:50%;background:#739a48;flex-shrink:0}nav{display:flex;gap:34px;font-size:14px}.nav-cta{font-size:13px;border:1px solid var(--ink);padding:10px 18px;border-radius:30px}.nav-cta span{margin-left:18px}.hero{position:relative;max-width:1440px;margin:auto;padding:75px 5% 0;overflow:hidden}.eyebrow{font-family:monospace;font-size:12px;letter-spacing:1.5px;display:flex;align-items:center;gap:10px}.eyebrow i,.status-dot{width:7px;height:7px;display:inline-block;background:#759d4c;border-radius:50%}h1{font-size:clamp(52px,6.4vw,92px);line-height:1.18;letter-spacing:-5px;margin:33px 0 24px;font-weight:550}.serif{font-family:Georgia,"Songti SC",serif;color:#608337}.lead{font-size:18px;color:#62695c;line-height:1.95}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;background:var(--ink);border:0;border-radius:6px;padding:16px 24px;color:white;font-size:14px}.button:hover{background:#42543a}.text-link{font-size:14px;border-bottom:1px solid #88967b;padding-bottom:4px}.dot-art{position:absolute;right:4%;top:35px;width:48%;height:540px;pointer-events:none}.orb{width:370px;height:370px;border-radius:50%;position:absolute;top:58px;left:15%;background-color:#a8c681;background-image:radial-gradient(circle,#335726 1.2px,transparent 1.8px),radial-gradient(circle at 30% 25%,#e1eec8 0%,#a9c87e 48%,#527241 100%);background-size:8px 8px,100% 100%;box-shadow:inset -28px -25px 50px #34552344,24px 48px 70px #66833b22;transform:rotate(-20deg)}.orbit{position:absolute;border:1px solid #93a37b55;border-radius:50%;width:480px;height:220px;top:142px;left:4%;transform:rotate(-34deg)}.o2{transform:rotate(55deg);height:400px;width:250px;top:30px;left:29%}.art-tag{position:absolute;right:4%;top:55px;font-size:12px;color:#647752;font-family:monospace;transform:rotate(8deg)}.art-caption{position:absolute;bottom:37px;left:22%;font:11px monospace;color:#727c66;letter-spacing:1px}.hero-bottom{margin-top:82px;display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:23px 0;font-size:11px;color:var(--muted);letter-spacing:1px}.section{max-width:1440px;margin:auto;padding:94px 5%}.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:42px}.section-head p,.start>div>p{color:var(--muted);font-size:16px;line-height:1.9}h2{font-size:clamp(32px,3.4vw,48px);letter-spacing:-1.6px;line-height:1.35;font-weight:500;margin:20px 0}h3{font-size:20px;font-weight:550;letter-spacing:-.3px}.workbench{display:grid;grid-template-columns:270px 1fr;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 20px 45px #353f2610}aside{padding:30px 18px;background:#eceee5;border-right:1px solid var(--line);display:flex;flex-direction:column}.workspace-brand{display:flex;gap:8px;align-items:center;font-size:14px;padding-left:10px}.workspace-brand .logo-dot{width:10px;height:10px}.small-label{font-size:10px;color:var(--muted);margin:40px 12px 14px}.scenario{background:none;border:0;border-radius:6px;padding:14px 12px;text-align:left;font-size:13px;color:#62695c;margin-bottom:8px}.scenario span{float:right}.scenario.active{background:#fff;color:var(--ink);box-shadow:0 2px 7px #00000005}.aside-note{margin-top:auto;padding:40px 10px 0;font-size:11px}.aside-note small{font-size:10px;color:#848a7a}.task{padding:24px 36px}.task-top{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#7d8276}.pill{background:#eef3e7;padding:3px 10px;border-radius:20px}.message{margin:28px 0;background:#f5f5f1;border-radius:10px;padding:18px;font-size:15px}.agent-label{display:flex;align-items:center;gap:8px;font-weight:600;font-size:15px}.agent-label small{color:#7d8276;font-weight:400;margin-left:6px;font-size:11px}.steps{font-size:13px;color:#69735e;margin:14px 0 22px 6px;border-left:1px solid var(--line);padding-left:24px}.steps p{margin:9px 0}.deliverable{background:#f2f6ec;border:1px solid #dbe6ce;border-radius:8px;padding:17px;display:flex;align-items:center;justify-content:space-between;gap:15px}.deliverable strong{font-size:13px}.deliverable small{display:block;margin-left:28px;color:#7d8276;font-size:10px}.file-icon{margin-right:12px;color:#739a48}.review{border:0;background:none;font-size:12px;white-space:nowrap}.demo-note,.fineprint{font-size:11px;color:#7e8476;line-height:1.8}.demo-note{margin-bottom:0}.principles{border-top:1px solid var(--line)}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:55px;margin-top:46px}.three article{border-top:1px solid #abb79c;padding-top:20px}.number{font:12px monospace;color:#71865e}.three p{font-size:15px;color:var(--muted)}.principles>.fineprint{margin-top:28px}.private{background:#e9eddf}.private-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:8%;align-items:center}.boundary{border:1px dashed #92a77d;padding:28px;border-radius:18px}.boundary-label{font:10px monospace;letter-spacing:1px}.arch-top{display:flex;justify-content:space-around;font-size:13px;margin:35px 0 26px}.arch-core{background:#f7f8f0;border:1px solid #becbad;border-radius:12px;text-align:center;padding:25px}.arch-core .logo{font-size:42px}.arch-core p{font-size:12px;color:var(--muted);margin-bottom:0}.arch-nodes{display:flex;gap:10px;margin-top:25px}.arch-nodes span{background:#dce4cf;border:1px solid #cbd7bd;flex:1;text-align:center;padding:14px 5px;border-radius:6px;font-size:12px}.arch-foot{text-align:center;margin:23px 0 0;font-size:10px;color:#7a856c}.private-copy h3{margin:0 0 8px}.private-copy article{margin-bottom:25px}.private-copy p{font-size:14px;color:var(--muted);margin:0}.private-copy .fineprint{font-size:11px}.start{display:grid;grid-template-columns:1fr 1fr;gap:10%;align-items:center}.plan{border:1px solid var(--line);padding:32px;border-radius:12px}.plan h3{margin-top:0}.plan label{display:block;font-size:12px;margin:18px 0 8px}.plan select{width:100%;padding:13px;background:transparent;border:1px solid #c5cbbd;border-radius:5px;color:var(--ink);font-size:14px}.plan .button{width:100%;margin-top:24px}.faq{max-width:1040px;padding-top:30px}.faq h2{margin-bottom:32px}details{border-bottom:1px solid var(--line);padding:20px 0}summary{cursor:pointer;list-style:none;font-size:16px;display:flex;justify-content:space-between;gap:15px}summary::-webkit-details-marker{display:none}details p{color:var(--muted);font-size:14px;max-width:780px}details[open] summary span{transform:rotate(45deg)}.closing{text-align:center;padding:75px 20px 110px}.closing>.logo-dot{width:32px;height:32px;background:#a0bd7d}.closing p{font-size:36px;line-height:1.5;letter-spacing:-1px}footer{border-top:1px solid var(--line);max-width:1440px;margin:auto;padding:35px 5%;display:flex;align-items:center;justify-content:space-between;gap:20px}footer p,footer>span{font-size:11px;color:var(--muted)}footer .logo{font-size:26px}footer .logo-dot{width:8px;height:8px}dialog{border:1px solid var(--line);border-radius:16px;padding:38px;max-width:600px;width:90%;background:var(--bg);color:var(--ink)}dialog::backdrop{background:#17241188}dialog>p,dialog li{font-size:14px;color:var(--muted)}dialog li{margin:14px 0}#close{position:absolute;top:10px;right:17px;border:0;background:none;font-size:27px}dialog h2{font-size:28px}.review:hover,.text-link:hover{color:#608337}@media(min-width:1600px){.hero{min-height:700px}}@media(max-width:900px){nav{gap:18px}.dot-art{right:-10%;opacity:.8}.orb{width:300px;height:300px}.hero h1,.hero .lead,.hero-actions{position:relative;z-index:1}.workbench{grid-template-columns:220px 1fr}.task{padding:23px}.three{gap:25px}.private-grid{gap:35px}.start{gap:40px}.deliverable{align-items:flex-start;flex-direction:column}}@media(max-width:640px){header{height:76px;padding:0 6%}header .logo{font-size:30px}nav{display:none}.nav-cta{font-size:11px;padding:8px 12px}.nav-cta span{margin-left:6px}.hero{padding:46px 6% 0}.eyebrow{font-size:9px;letter-spacing:1px}h1{font-size:54px;letter-spacing:-3px}.lead{font-size:15px}.hero-actions{gap:19px}.button{padding:14px 17px;font-size:12px;gap:14px}.text-link{font-size:12px}.dot-art{position:relative;width:100%;height:305px;top:auto;right:auto;margin-top:20px}.orb{width:235px;height:235px;top:22px;left:19%}.orbit{width:300px;height:160px;left:7%;top:70px}.o2{width:170px;height:270px;left:29%;top:0}.art-tag{right:0;top:20px;font-size:10px}.art-caption{bottom:5px;left:19%;font-size:9px}.hero-bottom{margin-top:20px;font-size:9px;padding:18px 0;gap:20px}.hero-bottom span:last-child{display:none}.section{padding:60px 6%}.section-head{display:block}.section-head p{font-size:14px}.workbench{display:block}aside{padding:18px;border-right:0;border-bottom:1px solid var(--line)}.small-label{margin:18px 0 8px}.scenario{margin:0;padding:11px}.aside-note{display:none}.task{padding:20px 16px}.message{font-size:13px;margin:20px 0}.task-top{font-size:10px}.three{grid-template-columns:1fr;gap:20px;margin-top:30px}.three h3{margin:10px 0}.three p{font-size:14px}.private-grid,.start{grid-template-columns:1fr}.boundary{padding:22px 16px}.private-copy{margin-top:5px}.plan{padding:24px}.faq{padding-top:15px}summary{font-size:14px}.closing{padding:40px 20px 65px}.closing p{font-size:27px}footer{flex-wrap:wrap;padding:25px 6%;gap:12px}footer p{margin:0}footer>span{width:100%}dialog{padding:30px 24px}dialog ol{padding-left:20px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media(max-width:640px){h1{font-size:clamp(36px,10.8vw,54px);letter-spacing:-2px}.orb{width:min(235px,68vw);height:min(235px,68vw)}.hero-actions{gap:14px}}

.contact-block{margin:48px auto 0;padding-top:32px;border-top:1px solid var(--line);max-width:620px}.contact-block h3{margin:0 0 10px}.contact-block p{font-size:14px;letter-spacing:0;color:var(--muted);margin:0 0 20px}.contact-emails{display:flex;justify-content:center;flex-wrap:wrap;gap:12px 28px}.contact-emails a{font-size:16px;border-bottom:1px solid #a2b58c;padding-bottom:4px}.contact-emails a:hover{color:#608337}
.header-actions{display:flex;align-items:center;gap:16px}#language-toggle{border:1px solid var(--line);background:transparent;border-radius:20px;padding:9px 13px;font-size:12px;color:var(--ink);white-space:nowrap}html[lang=en] h1{font-size:clamp(40px,4.6vw,66px);letter-spacing:-2.5px;max-width:60%;line-height:1.2}html[lang=en] .section-head p{max-width:400px}html[lang=en] h2{font-size:clamp(30px,3.2vw,44px)}html[lang=en] .scenario{font-size:12px}html[lang=en] .hero-bottom{letter-spacing:0}html[lang=en] .lead{font-size:16px;max-width:48%}html[lang=en] .hero-actions{gap:18px}html[lang=en] .hero-actions .button{gap:16px}@media(max-width:1000px){header nav{gap:14px}header nav a{font-size:12px}.header-actions{gap:9px}html[lang=en] .hero h1{max-width:60%}html[lang=en] .hero .dot-art{opacity:.65;right:-12%}}@media(max-width:640px){.header-actions .nav-cta{display:none}.header-actions{gap:8px}html[lang=en] .hero h1{font-size:36px;letter-spacing:-1.7px;max-width:100%}html[lang=en] .lead{max-width:100%;font-size:14px}html[lang=en] .hero .dot-art{right:auto;opacity:1}html[lang=en] .hero-actions{flex-wrap:wrap}html[lang=en] .hero-bottom{flex-direction:column;gap:5px}html[lang=en] .closing>p{font-size:26px}}
#language-toggle{cursor:pointer;max-width:120px}html[lang=ja] h1{font-size:clamp(38px,4.8vw,68px);letter-spacing:-2px;max-width:60%}html[lang=ja] .lead{font-size:16px;max-width:49%}html[lang=ja] h2{font-size:clamp(28px,3vw,42px)}html[lang=ja] .section-head>p{max-width:440px}html[lang=ja] .scenario{font-size:12px}html[lang=ja] .hero-actions{gap:18px}html[lang=ja] .hero-bottom{letter-spacing:0}html[lang=ja] .closing>p{font-size:32px}@media(max-width:640px){html[lang=ja] h1{font-size:36px;max-width:100%;letter-spacing:-1.5px}html[lang=ja] .lead{font-size:14px;max-width:100%}html[lang=ja] .hero-actions{flex-wrap:wrap}html[lang=ja] .hero-bottom{flex-direction:column;gap:5px}html[lang=ja] .closing>p{font-size:25px}}
