@font-face{font-family:Nunito;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/nunito-latin-700.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Nunito;font-style:normal;font-weight:800;font-display:swap;src:url(/fonts/nunito-latin-800.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Silkscreen;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/silkscreen-latin-400.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Silkscreen;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/silkscreen-latin-700.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--font-display: "Nunito", ui-rounded, "SF Pro Rounded", -apple-system, "Segoe UI", sans-serif;--font-pix: "Silkscreen", "Nunito", ui-rounded, "SF Pro Rounded", -apple-system, "Segoe UI", sans-serif}*{box-sizing:border-box}html,body{overflow-x:hidden;overflow-y:auto}.back-link svg{width:13px;height:13px}a,button,summary,[role=switch]{touch-action:manipulation;-webkit-tap-highlight-color:transparent}[hidden]{display:none!important}.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.skip{position:absolute;left:-9999px;top:0;z-index:99;display:inline-flex;align-items:center;min-height:44px;padding:10px 16px;border-radius:0 0 10px;background:var(--card, var(--paper, #fff));color:inherit;font-weight:800;text-decoration:none}.skip:focus{left:0}.topbar{display:flex;align-items:flex-start;justify-content:space-between;flex-shrink:0}.brand{display:flex;flex-direction:column;align-items:flex-start}.top-actions{display:flex;gap:2vw}.back-link{display:flex;align-items:center;gap:4px;margin-bottom:.8svh;color:var(--ink-soft);font-size:clamp(10px,1.4svh,12px);font-weight:600;letter-spacing:.08em;text-decoration:none}.subtitle{margin:.4em 0 0;font-size:clamp(10px,1.4svh,12px);letter-spacing:.3em;color:var(--ink-soft)}.seo-info{flex-shrink:0;align-self:center;max-width:90vw;margin-top:.6svh;font-size:11px;color:var(--ink-soft);text-align:center}.icon-btn svg{width:20px;height:20px}.icon-btn{width:44px;height:44px;border-radius:50%;border:1.5px solid var(--line);background:transparent;color:var(--ink);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s ease,transform .1s ease}:focus-visible{outline:2px solid var(--accent-dark, currentColor);outline-offset:2px}@media(forced-colors:active){:focus-visible{outline-color:Highlight}}@media(max-height:480px){.subtitle,.seo-info{display:none}.back-link{margin-bottom:.4svh}.howto-link{padding-top:.4svh}}.icon-btn .ico-sound-off,.icon-btn.is-off .ico-sound-on{display:none}.icon-btn.is-off .ico-sound-off{display:block}.icon-btn.is-off{color:var(--ink-soft)}.icon-btn [data-theme-icon=light]{display:none}.icon-btn [data-theme-icon=dark]{display:block}:root[data-theme=dark] .icon-btn [data-theme-icon=light]{display:block}:root[data-theme=dark] .icon-btn [data-theme-icon=dark]{display:none}@media(max-width:400px){.top-actions{gap:6px}}.back-link,.howto-link{position:relative}.back-link:after,.howto-link:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:max(100%,44px);height:44px}.pill-btn,.again-btn,.share-btn{min-height:44px}.seo-info summary{position:relative;min-height:44px;display:flex;align-items:center;justify-content:center;font-size:11px;cursor:pointer;letter-spacing:.06em;font-weight:600;list-style:none}.seo-info summary::-webkit-details-marker{display:none}.seo-info summary:after{content:" ▾"}.seo-info[open] summary:after{content:" ▴"}.seo-info p{margin:4px 0 0;line-height:1.5;text-align:left}.share-note{margin:0;font-size:clamp(11px,1.5svh,13px);color:var(--ink-soft);letter-spacing:.06em;opacity:0;transition:opacity .25s ease}.share-note.show{opacity:1}@media(hover:hover)and (pointer:fine){.back-link:hover{color:var(--ink)}}.howto-link{align-self:center;flex-shrink:0;border:none;background:none;color:var(--accent-dark);font-weight:600;font-size:clamp(12px,1.8svh,14px);letter-spacing:.02em;text-decoration:underline;text-underline-offset:3px;cursor:pointer;padding:1svh 4px 0}.howto-backdrop{position:fixed;inset:0;background:var(--scrim, rgba(30, 24, 16, .35));opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:10}.howto-backdrop.show{opacity:1;pointer-events:auto}.howto-sheet{position:fixed;left:0;right:0;bottom:0;background:var(--bg);border-radius:20px 20px 0 0;box-shadow:0 -1svh 3svh #00000040;padding:1.6svh 6vw calc(4svh + env(safe-area-inset-bottom,0px));transform:translateY(100%);transition:transform .35s cubic-bezier(.4,0,.2,1);z-index:11}.howto-sheet.show{transform:translateY(0)}.howto-handle{width:36px;height:4px;border-radius:2px;background:var(--ink-soft);opacity:.4;margin:0 auto 2svh}.howto-title{margin:0 0 1.6svh;font-size:clamp(14px,2svh,16px);font-weight:600;letter-spacing:.1em;color:var(--ink)}.howto-list{margin:0;padding:0 0 0 1.1em;display:flex;flex-direction:column;gap:1.2svh;font-size:clamp(13px,1.9svh,15px);color:var(--ink);line-height:1.4}.howto-list li::marker{color:var(--accent);font-weight:700}.howto-list strong{color:var(--ink);font-weight:700}@media(prefers-reduced-motion:reduce){.howto-sheet{transition:opacity .12s linear;transform:none;opacity:0;pointer-events:none}.howto-sheet.show{transform:none;opacity:1;pointer-events:auto}.howto-backdrop{transition:opacity .12s linear}}.overlay-exit{position:absolute;top:max(2.4svh,env(safe-area-inset-top,0px));right:max(4vw,env(safe-area-inset-right,0px));width:44px;height:44px;display:flex;align-items:center;justify-content:center;border:1.5px solid var(--line);border-radius:50%;background:transparent;color:var(--ink);transition:transform .1s ease}.overlay-exit svg{width:20px;height:20px}.overlay-exit:active{transform:scale(.94)}.overlay-exit{pointer-events:none}.overlay.show .overlay-exit{pointer-events:auto}.overlay-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:clamp(10px,3vw,16px);row-gap:clamp(8px,1.2svh,12px);width:min(80vw,320px)}.overlay-actions>*{justify-content:center;text-align:center}.overlay-actions>:is(button,a){padding-inline:clamp(8px,2vw,16px)}.wall-btn{grid-column:1 / -1;display:flex;align-items:center;justify-content:center;gap:.5em;min-height:44px;padding:1.2svh 4vw;border:1.5px solid var(--accent);border-radius:999px;background:transparent;color:var(--accent-dark);font-family:var(--font-display, inherit);font-size:clamp(12px,1.8svh,14px);font-weight:600;letter-spacing:.06em;text-decoration:none;cursor:pointer;transition:transform .1s ease}.wall-btn svg{width:16px;height:16px;flex-shrink:0}.wall-btn:active{transform:scale(.96)}html:has(.overlay.show) .top-actions{visibility:hidden}:root{--bg: #fdf2ef;--ink: #2b2320;--ink-soft: #8a7871;--line: #f1ded7;--accent: #ef6a55;--accent-dark: #d84f3b;--edge: #d9c7c0;--node: var(--ink);--node-fixed: #4a6fa5;--purple: #8b5cf6;color-scheme:light}html,body{margin:0;height:100%;height:100svh;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;touch-action:manipulation}.stage{height:100%;display:flex;flex-direction:column;padding:max(2.4svh,env(safe-area-inset-top,0px)) max(4vw,env(safe-area-inset-right,0px)) max(3svh,env(safe-area-inset-bottom,0px)) max(4vw,env(safe-area-inset-left,0px))}.title{margin:0;font-family:var(--font-display);font-size:clamp(15px,2.4svh,20px);font-weight:700;letter-spacing:.02em;color:var(--ink)}.icon-btn:active{background:#ef6a551f;border-color:var(--accent);color:var(--accent-dark);transform:scale(.94)}.tagline{margin:1.6svh 0 0;text-align:center;font-size:clamp(12px,1.7svh,14px);color:var(--ink-soft);letter-spacing:.03em;flex-shrink:0}.tagline-touch{display:none}@media(hover:none)and (pointer:coarse){.tagline-touch{display:block}.tagline-mouse{display:none}}.board-area{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2.2svh;min-height:0}.board-wrap{position:relative;width:min(90vw,64svh,560px);aspect-ratio:1 / 1}.board{display:block;width:100%;height:100%;overflow:visible}.edge{stroke:var(--edge);stroke-width:2.5;stroke-linecap:round;transition:stroke .15s ease,stroke-width .15s ease}.edge.crossing{stroke:var(--accent);stroke-width:3;animation:edge-pulse 1.4s ease-in-out infinite}.board.dragging .edge.crossing{animation-play-state:paused}@keyframes edge-pulse{0%,to{opacity:1}50%{opacity:.55}}.node-hit{fill:transparent;cursor:grab;touch-action:none}.node-hit:active{cursor:grabbing}.node{fill:var(--node);stroke:var(--bg);stroke-width:3;pointer-events:none;transition:r .15s ease,filter .15s ease;transform-box:fill-box;transform-origin:center}.node.active{stroke:var(--accent);stroke-width:4;filter:drop-shadow(0 0 6px rgba(239,106,85,.55))}.node.fixed{fill:none;stroke:var(--node-fixed);stroke-width:4}.node-fixed-dot{fill:var(--node-fixed);pointer-events:none}.node.shake{animation:node-shake .26s ease-in-out}@keyframes node-shake{0%,to{transform:translate(0)}25%{transform:translate(-3px)}75%{transform:translate(3px)}}.move-boundary{fill:none;stroke:var(--purple);stroke-width:1.5;stroke-dasharray:6 6;opacity:.55;pointer-events:none}.move-boundary.pulse{animation:boundary-pulse .4s ease-out}@keyframes boundary-pulse{0%{stroke-width:1.5;opacity:.55}40%{stroke-width:3.5;opacity:1}to{stroke-width:1.5;opacity:.55}}.counter-box{display:flex;flex-direction:column;align-items:center;gap:.3svh;width:min(78vw,320px);padding-top:1.8svh;border-top:1px solid var(--line)}.counter-label{font-size:clamp(9px,1.3svh,11px);letter-spacing:.18em;color:var(--purple);text-transform:uppercase}.counter-value{font-size:clamp(16px,2.4svh,20px);font-weight:600;color:var(--purple);letter-spacing:.05em}.counter-best{font-size:clamp(9px,1.2svh,11px);color:var(--accent-dark);font-weight:600;letter-spacing:.06em;min-height:1.4em}.legend{display:flex;justify-content:center;gap:5vw;flex-shrink:0}.legend-item{display:flex;align-items:center;gap:5px;font-size:clamp(10px,1.3svh,12px);color:var(--ink-soft)}.legend-dot--movable{fill:var(--node)}.legend-dot--fixed{fill:none;stroke:var(--node-fixed);stroke-width:1.6}.legend-dot-inner{fill:var(--node-fixed)}.overlay{position:fixed;inset:0;background:#fdf2eff2;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .5s ease}.overlay.show{opacity:1}.overlay-content{display:flex;flex-direction:column;align-items:center;gap:2.2svh;pointer-events:none}.overlay.show .overlay-content{pointer-events:auto}.overlay-title{margin:0;font-family:var(--font-display);font-size:clamp(18px,3.4svh,26px);font-weight:700;letter-spacing:.12em;color:var(--ink)}.overlay-icon{overflow:visible}.overlay-icon line{stroke:var(--accent);stroke-width:2.5;stroke-linecap:round}.overlay-icon circle{fill:var(--accent-dark);animation:glow 1.6s ease-in-out infinite}@keyframes glow{0%,to{filter:drop-shadow(0 0 1.5px rgba(239,106,85,.5))}50%{filter:drop-shadow(0 0 4px rgba(239,106,85,.9))}}.overlay-sub{margin:0;font-size:clamp(12px,1.8svh,14px);color:var(--ink-soft);letter-spacing:.08em}.overlay-actions{margin-top:1svh}.pill-btn,.share-btn{font-family:var(--font-display);font-weight:600;padding:1.2svh 4vw;border-radius:999px;font-size:clamp(12px,1.8svh,14px);letter-spacing:.06em;cursor:pointer;transition:transform .1s ease}.pill-btn:active,.share-btn:active{transform:scale(.96)}.pill-btn{border:none;background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;box-shadow:0 .8svh 1.8svh #ef6a5559}.share-btn{border:1.5px solid var(--accent);background:transparent;color:var(--accent-dark)}@media(prefers-reduced-motion:reduce){.node{transition:none}.node.shake,.edge.crossing{animation:none}.overlay-icon circle{animation:none}.move-boundary.pulse{animation:none}}:root[data-theme=dark]{--bg: #170f11;--ink: #f7ece8;--ink-soft: #c9a7a0;--line: #3a2420;--accent: #ff6b57;--accent-dark: #ff3d3d;--edge: #4a3430;--node: #f7ece8;--node-fixed: #4fd3ff;--boundary: #9ec54c;--purple: #b967ff;color-scheme:dark}[data-theme=dark] .icon-btn:active{background:color-mix(in srgb,var(--accent) 18%,transparent)}[data-theme=dark] .node.active{stroke:var(--accent);filter:drop-shadow(0 0 8px color-mix(in srgb,var(--accent) 75%,transparent))}[data-theme=dark] .edge{filter:drop-shadow(0 0 2px color-mix(in srgb,var(--edge) 70%,transparent))}[data-theme=dark] .edge.crossing{filter:drop-shadow(0 0 3px color-mix(in srgb,var(--accent) 65%,transparent))}[data-theme=dark] .move-boundary{filter:drop-shadow(0 0 5px color-mix(in srgb,var(--purple) 60%,transparent))}[data-theme=dark] .title{color:var(--boundary)}[data-theme=dark] .tagline{width:fit-content;margin-left:auto;margin-right:auto;background:var(--boundary);color:#000;font-weight:700;padding:.5em 1.1em;border-radius:999px}[data-theme=dark] .overlay{background:#170f11f0}[data-theme=dark] .pill-btn{box-shadow:0 .8svh 1.8svh color-mix(in srgb,var(--accent) 45%,transparent)}