@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;600;700&display=swap');
:root{--ink:#183a36;--muted:#81918b;--line:#dee4db;--green:#3c6954;--paper:#f5f6f0}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans','Noto Sans JP',sans-serif;font-size:13px}button,input,select{font:inherit;color:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #4a8262;outline-offset:3px}header{height:85px;margin:0 40px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:34px}.brand{display:flex;align-items:center;font-size:21px;font-weight:700;letter-spacing:2px;text-decoration:none;color:var(--ink)}.light{font-weight:400}.logo{font-size:39px;margin-right:12px;line-height:1}.version{font-size:10px;align-self:flex-start;background:#e4e9df;padding:3px 4px;margin:1px 0 0 9px;letter-spacing:0}.header-sub{font-size:9px;letter-spacing:1.8px;color:var(--muted)}.engine{margin-left:auto;font-size:9px;letter-spacing:1px}.engine i,.view-label i{display:inline-block;width:6px;height:6px;background:#6c926d;border-radius:50%;margin-right:7px}main{display:grid;grid-template-columns:296px minmax(0,1fr);max-width:1600px;margin:auto}aside{padding:35px 27px 24px 40px;border-right:1px solid var(--line)}.eyebrow{font-size:9px;letter-spacing:1.6px;color:#849184}h1{font-size:30px;line-height:1.55;letter-spacing:.02em;font-weight:500;margin:16px 0 12px}.intro{font-size:10px;color:#7a887e;line-height:2}section{margin-top:30px}.section-label{display:flex;justify-content:space-between;font-size:9px;letter-spacing:1px;margin-bottom:13px}.section-label>span+span{letter-spacing:0;color:#8a968b}.algorithm{display:flex;width:100%;align-items:center;gap:11px;text-align:left;background:transparent;border:1px solid transparent;border-bottom:1px solid #e5e9e0;padding:12px 10px}.algorithm .number{font-size:10px;color:#9aa695}.algorithm strong{display:block;font-size:12px;font-weight:500}.algorithm small{display:block;font-size:9px;color:#8b978b;margin-top:3px}.algorithm .arrow{margin-left:auto;opacity:0}.algorithm.active{border:1px solid #849d80;background:#e8eddf;border-radius:5px}.algorithm.active .arrow{opacity:1}.algorithm:hover{background:#edf0e7}.text-button{border:0;background:transparent;font-size:9px;padding:0;color:#87927f}.seed-label{font-size:11px;display:flex;justify-content:space-between}.seed-label span{font-size:8px;color:#9ba491;letter-spacing:1px}.seed-row{display:flex;gap:7px;margin:8px 0 17px}.seed-row input{min-width:0;width:100%;border:1px solid var(--line);background:#fcfcf7;border-radius:4px;padding:8px 10px;font-variant-numeric:tabular-nums;letter-spacing:1px}.seed-row button{width:35px;border:1px solid var(--line);border-radius:4px;background:transparent;font-size:20px}.range-label{display:flex;justify-content:space-between;margin:12px 0 6px;font-size:11px}.range-label output{font-family:monospace;color:#5e785d;font-size:11px}input[type=range]{width:100%;height:3px;accent-color:#527550;cursor:pointer;display:block;margin:10px 0 17px}.setting{display:flex;align-items:center;justify-content:space-between;margin:15px 0;font-size:11px}select{background:#f9faf4;border:1px solid var(--line);border-radius:3px;padding:5px 8px;font-size:10px}.primary{display:flex;justify-content:space-between;width:100%;background:var(--green);color:white;padding:12px 14px;border:0;border-radius:4px;font-size:11px}.primary:hover{background:#284e3c}.tiny{font-size:8px;color:#9ba58f;text-align:center}aside footer{border-top:1px solid var(--line);margin-top:26px;padding-top:17px;font-size:8px;line-height:1.9;color:#9aa28f;letter-spacing:1px}.workspace{padding:31px 40px 18px;min-width:0}.workspace-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}h2{font-weight:500;font-size:24px;margin:5px 0 0;letter-spacing:-.5px}.view-tabs{display:flex;border:1px solid var(--line);border-radius:5px;padding:3px;background:#edf0e7}.view-tabs button{border:0;background:transparent;font-size:10px;padding:8px 13px;color:#8a9785}.view-tabs .active{background:#fff;color:var(--ink);border-radius:3px;box-shadow:0 1px 4px #34452c10}.viewport{position:relative;height:490px;overflow:hidden;border:1px solid #d8dfd1;border-radius:6px;background:#e7ecdf}#canvas-host{height:100%;width:100%}#canvas-host canvas{display:block;width:100%;height:100%;touch-action:none}.view-label{position:absolute;top:21px;left:21px;font-size:8px;letter-spacing:1.4px;pointer-events:none;z-index:2}.view-label i{width:5px;height:5px}.viewport-bottom{position:absolute;bottom:16px;left:20px;right:20px;display:flex;justify-content:space-between;align-items:center;color:#71856a;font-size:9px}.viewport-bottom em{font-style:normal;margin:0 8px;color:#a8b29c}.viewport-bottom button{border:1px solid #bac6b2;background:#eff3e7b0;border-radius:4px;padding:7px 9px;font-size:9px}.mouse{margin-right:6px}.compass{position:absolute;bottom:60px;left:26px;display:flex;flex-direction:column;align-items:center;color:#7a8e70;font-size:9px}.compass b{font-size:35px;font-weight:400;height:39px}.compass small{font-size:8px}.color-scale{position:absolute;right:24px;top:40%;display:flex;flex-direction:column;align-items:center;gap:7px;font-size:7px;letter-spacing:1px;color:#839179}.color-scale div{height:91px;width:5px;background:linear-gradient(#e8e7ce,#818e62,#42604e,#4c8490);border-radius:4px}.toolbar{display:flex;justify-content:space-between;align-items:center;padding:15px 0 20px;font-size:10px}.toggles{display:flex;gap:20px}.toggles label{display:flex;align-items:center;gap:5px;cursor:pointer}input[type=checkbox]{accent-color:#527b57;width:12px;height:12px;margin:0}.toolbar button{border:1px solid var(--line);background:transparent;padding:7px 12px;border-radius:4px;font-size:10px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.metrics>div{padding-left:24px;border-left:1px solid var(--line);min-width:0}.metrics>div:first-child{border:0;padding:0}.metrics span{font-size:8px;letter-spacing:1.2px;color:#8b9684}.metrics strong{display:block;font-size:27px;font-weight:400;margin-top:7px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-variant-numeric:tabular-nums}.metrics small{font-size:11px;margin-left:3px;color:#889780}.metrics p{font-size:9px;color:#8f9b85;margin:6px 0 0}article{display:flex;gap:25px;padding:25px 0;align-items:flex-start}.article-marker{font-size:8px;letter-spacing:1.5px;white-space:nowrap;width:96px;padding-top:5px}.article-marker span{display:block;font-size:21px;margin-top:16px;color:#829273}article>div:nth-child(2){flex:1}h3{font-size:12px;font-weight:500;margin:2px 0 9px}article p{font-size:10px;line-height:1.9;color:#889481;margin:0;max-width:520px}#tags{display:flex;gap:6px;margin-top:12px}#tags span{border:1px solid #dce3d3;border-radius:3px;padding:3px 6px;font-size:8px;color:#819274}#profile{width:130px;height:65px;align-self:center}.workspace-foot{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:15px;color:#9ba58e;font-size:8px}.workspace-foot a{color:inherit;text-decoration:none;letter-spacing:1px}#heightmap{position:absolute;max-width:78%;max-height:78%;width:auto;height:78%;object-fit:contain;left:50%;top:50%;transform:translate(-50%,-50%);image-rendering:pixelated;box-shadow:0 15px 50px #263c3420}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 22px;border-radius:6px;opacity:0;pointer-events:none;transition:opacity .2s;font-size:12px;z-index:5}#toast.show{opacity:1}#error{position:absolute;top:35%;left:15%;right:15%;padding:25px;background:#f5f6f0;line-height:2}button:disabled,input:disabled{opacity:.4;cursor:not-allowed}@media(min-width:1450px){.viewport{height:560px}aside{padding-top:40px}}@media(max-width:1050px){header{margin:0 24px}.header-sub{display:none}main{grid-template-columns:255px minmax(0,1fr)}aside{padding-left:24px;padding-right:20px}.workspace{padding:30px 24px}.viewport{height:440px}.toggles{gap:10px;font-size:9px}#profile{display:none}.metrics>div{padding-left:14px}.metrics strong{font-size:22px}article{gap:10px}.article-marker{width:85px}}@media(max-width:760px){header{height:70px;margin:0 18px}.brand{font-size:16px}.engine{font-size:7px}.logo{font-size:30px;margin-right:7px}main{display:flex;flex-direction:column}.workspace{order:0;padding:24px 18px 12px}aside{order:1;border-right:0;border-top:1px solid var(--line);padding:25px 18px}h1{font-size:24px;line-height:1.4}h1 br{display:none}.intro br{display:none}.viewport{height:400px}h2{font-size:21px}.workspace-top{margin-bottom:16px}.view-tabs button{padding:7px 9px}.toggles{gap:9px}.toolbar{gap:8px;flex-wrap:wrap}.metrics{gap:5px}.metrics>div{padding-left:9px}.metrics span{font-size:6px;letter-spacing:.5px}.metrics strong{font-size:20px}.metrics p{font-size:7px}.viewport-bottom{font-size:7px;left:10px;right:10px}.viewport-bottom em{margin:0 3px}article{padding:20px 0}.article-marker{width:65px;font-size:7px}#algorithms{display:grid;grid-template-columns:1fr 1fr;gap:7px}.algorithm{border:1px solid var(--line);border-radius:4px}.algorithm strong{font-size:11px}aside section{margin-top:24px}#sliders{display:grid;grid-template-columns:1fr 1fr;gap:0 22px}aside footer{display:none}.workspace-foot{font-size:7px}.color-scale{right:15px}.compass{left:18px}.seed-row input{font-size:14px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.header-sub a{color:inherit;text-decoration:none}.header-sub a:hover,.workspace-foot a:hover{text-decoration:underline}