:root{--primary:#514974;--primary-contrast:#fff;--accent:#514974;--surface:#fffdf7;--surface-2:#f2ecd9;--text:#302b20;--heading:#28261b;--muted:#665d49;--border:#d9ceb2;--font-body:'Manrope',sans-serif;--font-head:'Lora',serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:20px}body{margin:0;background:var(--surface);color:var(--text);font:400 18px/1.65 var(--font-body)}a{color:var(--primary);text-underline-offset:4px}button{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--primary);outline-offset:4px}.skip{position:fixed;top:-100px;left:10px;background:white;padding:12px;z-index:5}.skip:focus{top:10px}.site-header{padding:24px max(18px,calc((100vw - 1320px)/2));border-bottom:1px solid var(--border);display:flex;align-items:center;gap:24px;flex-wrap:wrap}.wordmark{display:flex;gap:14px;align-items:center;font:700 26px var(--font-head);text-decoration:none;color:var(--text)}.sieve-mark{width:44px;height:44px;border:3px solid var(--primary);border-radius:50%;background:radial-gradient(var(--primary) 1px,transparent 2px) 0 0/8px 8px}#site-nav{display:flex;gap:18px;flex-wrap:wrap;margin-left:auto}#site-nav a,.languages a,footer nav a{min-height:44px;display:inline-flex;align-items:center;font-size:15px}.nav-toggle{display:none;min-width:44px;min-height:44px}.languages{display:flex;gap:12px}main{max-width:1320px;margin:auto;padding:45px 24px 70px}.opening{display:grid;grid-template-columns:minmax(0,1fr) minmax(330px,.9fr);grid-template-rows:auto;gap:56px;align-items:start}.lead-block{grid-column:1;grid-row:1}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:13px;color:var(--muted)}h1{font:600 clamp(36px,4vw,62px)/1.14 var(--font-head);margin:18px 0 28px;overflow-wrap:anywhere}h2{font:600 clamp(25px,2.5vw,35px)/1.3 var(--font-head)}#play{grid-column:2;grid-row:1;border:1px solid var(--border);border-radius:22px;overflow:hidden;box-shadow:12px 12px 0 var(--surface-2)}.game-banner{padding:16px;background:var(--primary);color:white;font:700 17px/1.5 var(--font-body)}.play-link{display:inline-flex;min-height:50px;align-items:center;padding:8px 22px;border-radius:30px;background:var(--primary);color:white;text-decoration:none}.article{max-width:890px;margin-top:60px}.article section{margin:40px 0;border-top:1px solid var(--border);padding-top:20px}.article table{width:100%;border-collapse:collapse;font-size:16px}.article th,.article td{padding:8px;border:1px solid var(--border);overflow-wrap:anywhere}details{border-bottom:1px solid var(--border);padding:12px 0}summary{cursor:pointer;min-height:44px;display:list-item;padding:8px}.contents{padding:24px;background:var(--surface-2);border-radius:12px;display:grid;gap:10px}.contents a{display:flex;align-items:center;min-height:44px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}.related{margin-top:45px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.related h2{grid-column:1/-1}.related a{padding:20px;border:1px solid var(--border);text-decoration:none}.related span{display:block;font-size:16px;margin-top:10px}footer{padding:35px max(24px,calc((100vw - 1320px)/2));background:var(--surface-2);font-size:14px}footer nav{display:flex;gap:20px;flex-wrap:wrap}footer p{max-width:900px}@media(max-width:979px){.nav-toggle{display:block;margin-left:auto}#site-nav{display:none;flex-basis:100%;margin:0}.nav-open #site-nav{display:flex;flex-direction:column;gap:0}.opening{grid-template-columns:minmax(0,1fr);gap:32px}.lead-block,#play,.contents{grid-column:1;grid-row:auto}main{padding:28px 16px 50px}#play{box-shadow:6px 6px 0 var(--surface-2)}h1{font-size:40px}.related{grid-template-columns:1fr}.site-header{padding:16px;gap:12px}.wordmark{font-size:24px}.languages{flex-basis:100%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}

.device-mark{width:64px;height:44px;display:block;flex:none}.device-mark svg{width:100%;height:100%}.game-banner{font-family:var(--font-body);line-height:1.7}.g-title{font-family:var(--font-body)!important}.article{line-height:1.8}h1,h2,.wordmark{line-height:1.5}.eyebrow{font-size:14px;letter-spacing:0;text-transform:none}.opening{grid-template-columns:minmax(0,.75fr) minmax(520px,1.25fr);gap:32px}#play{border-radius:0;border-width:2px;box-shadow:none}.article{margin-left:12%}
@media(max-width:979px){.opening{grid-template-columns:minmax(0,1fr);gap:28px}.lead-block,#play,.contents{grid-column:1;grid-row:auto;width:100%;margin:0;max-width:100%;justify-self:stretch}.lead-block{padding:0;text-align:left}.article{margin-left:0;margin-right:0;padding-left:0;border-left:0}#play{box-shadow:none;border-radius:8px}.wordmark{font-size:22px}.device-mark{width:48px}h1{font-size:34px;line-height:1.6}main{padding-left:12px;padding-right:12px}}
/* Own navigation targets:44px minimum in both dimensions. */
nav a,.languages a{display:inline-flex;align-items:center;min-width:44px;min-height:44px}.skip{min-width:44px;min-height:44px}
/* 52D centered navy-and-brass lounge, composition 10. */
:root{--primary:#ddbd78;--primary-contrast:#101e30;--accent:#ddbd78;--surface:#111f31;--surface-2:#1b3047;--text:#e2e9f0;--heading:#fff3d9;--muted:#c1ccd7;--border:#45576a;--font-head:'Lora',serif}
body{background:radial-gradient(ellipse at top,#233e58 0,#111f31 50%)}.site-header{max-width:1180px;margin:auto;justify-content:center;border-bottom:1px solid #ddbd7860}.wordmark{color:#fff3d9}.device-mark svg{stroke:#ddbd78}#site-nav{order:3;flex-basis:100%;justify-content:center;margin:0;border-top:1px solid var(--border);padding-top:12px}.languages{margin-left:auto}
main{max-width:1100px}.opening{display:flex;flex-direction:column;align-items:center;gap:36px}.lead-block{max-width:880px;text-align:center;margin:auto}h1{font-size:clamp(34px,4.4vw,58px);line-height:1.2}h2{line-height:1.35}.eyebrow{letter-spacing:.14em;text-transform:uppercase;color:#ddbd78}.lead-block p{max-width:790px;margin-left:auto;margin-right:auto}.play-link,.game-banner{color:#111f31}.game-banner{text-align:center;letter-spacing:.035em}#play{width:100%;max-width:920px;border:1px solid #ddbd78;border-radius:18px;box-shadow:0 24px 64px #0005}.article{margin:60px auto 0;max-width:860px}.article section{padding-top:24px}.contents{width:100%;max-width:860px;grid-template-columns:1fr 1fr}.related{max-width:920px;margin:55px auto}.related a{background:#1b304780;border-radius:12px}footer{border-top:1px solid #ddbd7860}.table-wrap{max-width:100%;overflow-x:auto}.skip{color:#111f31}
#game-root .wd-pocket.current{color:#111f31}#game-root .g-msg.win{color:#a2efbc}#game-root .g-msg.lose{color:#ffb4b4}
@media(max-width:979px){.site-header{justify-content:flex-start}.languages{margin-left:0}#site-nav{justify-content:flex-start}.opening{gap:28px}.lead-block{text-align:center}.contents{grid-template-columns:1fr}.article{margin:40px auto 0}#play{border-radius:12px}h1{font-size:34px;line-height:1.25}}