:root{--ko-sand: #fbf4e6;--ko-paper: #fffaf0;--ko-ink: #2b2118;--ko-muted: #6f5d4a;--ko-bark: #6b4a2f;--ko-bark-2: #3a2a1e;--ko-gum: #2f5d50;--ko-gum-2: #244a40;--ko-wing: #2f7fb0;--ko-sun: #ef8a3c;--ko-sun-2: #c9601f;--ko-line: #e6d6bd;--ko-leaf: #5b8f5a;--ko-coral: #c8503a;--ko-head: ui-rounded, "SF Pro Rounded", "Trebuchet MS", "Segoe UI", system-ui, sans-serif;--ko-body: "Segoe UI", system-ui, -apple-system, Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;--ko-r: 20px}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body.ko-b{margin:0;background:var(--ko-sand);color:var(--ko-ink);font:16px/1.62 var(--ko-body);min-width:0}img,svg{max-width:100%}a{color:var(--ko-gum);text-underline-offset:3px}a:hover{color:var(--ko-sun-2)}h1,h2,h3{font-family:var(--ko-head);color:var(--ko-bark-2);line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}h1{font-size:clamp(1.7rem,4.6vw,2.6rem)}h2{font-size:clamp(1.25rem,3vw,1.55rem);margin-top:1.4em}h3{font-size:1.12rem}p{margin:0 0 1em}:focus-visible{outline:3px solid var(--ko-wing);outline-offset:2px;border-radius:6px}.ko-skip{position:absolute;left:8px;top:-60px;background:var(--ko-ink);color:#fff;padding:8px 14px;border-radius:10px;z-index:50}.ko-skip:focus{top:8px}.ko-wrap{max-width:1140px;margin:0 auto;padding:0 16px}.ko-narrow{max-width:820px}.ko-muted{color:var(--ko-muted)}.ko-ic{flex:none;width:22px;height:22px}.ko-top{background:var(--ko-gum);color:#f7eedb;border-bottom:4px solid var(--ko-sun)}.ko-top-in{display:flex;align-items:center;gap:10px;min-height:62px}.ko-brand{display:flex;align-items:center;gap:8px;color:#fff8ea;text-decoration:none;margin-right:auto;min-width:0}.ko-brand:hover{color:#fff}.ko-brand-bird{width:40px;height:40px;flex:none;background:#fbf4e6;border-radius:50%;padding:2px}.ko-brand-t{font:700 1.2rem/1 var(--ko-head);white-space:nowrap}.ko-brand-t b{color:#ffc98f;font-weight:800}.ko-nav{display:none;gap:4px}.ko-nl{display:flex;align-items:center;gap:6px;color:#f7eedb;text-decoration:none;padding:8px 12px;border-radius:999px;font-weight:600;font-size:.95rem}.ko-nl:hover,.ko-nl.ko-on{background:var(--ko-gum-2);color:#fff}.ko-nl.ko-on{box-shadow:inset 0 -3px 0 var(--ko-sun)}.ko-pop{position:relative}.ko-pop>summary{list-style:none;display:flex;align-items:center;gap:6px;cursor:pointer;color:#fff8ea;padding:8px 10px;border-radius:12px;border:1px solid rgba(255,248,234,.35);font-weight:700;font-size:.9rem;min-height:42px}.ko-pop>summary::-webkit-details-marker{display:none}.ko-pop[open]>summary,.ko-pop>summary:hover{background:var(--ko-gum-2)}.ko-pop-list{position:absolute;right:0;top:calc(100% + 8px);z-index:40;background:var(--ko-paper);color:var(--ko-ink);border-radius:16px;box-shadow:0 18px 40px -16px #2b21188c;border:1px solid var(--ko-line);padding:6px;margin:0;list-style:none;min-width:210px}.ko-pop-list a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--ko-ink);text-decoration:none}.ko-pop-list a:hover,.ko-pop-list a[aria-current]{background:#f3e6cc}.ko-pop-list b{display:inline-block;min-width:2.2em;color:var(--ko-gum)}.ko-burger-list .ko-nl{color:var(--ko-ink);border-radius:10px}.ko-burger-list .ko-nl.ko-on{background:#f3e6cc;box-shadow:inset 3px 0 0 var(--ko-sun)}@media (min-width: 980px){.ko-nav{display:flex}.ko-burger{display:none}}@media (max-width: 400px){.ko-lang>summary .ko-ic{display:none}.ko-brand-t{font-size:1.08rem}.ko-top-in{gap:8px}.ko-pop>summary{padding:8px 9px}}.ko-main{padding-bottom:40px}.ko-crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:2px 0;padding:0;margin:14px 0 6px;font-size:.86rem;color:var(--ko-muted)}.ko-crumbs li+li:before{content:"\203a";margin:0 8px;color:#b9a78f}.ko-crumbs a{color:var(--ko-muted)}.ko-head{margin:8px 0 22px;max-width:760px}.ko-head-art{display:grid;gap:20px;max-width:none;align-items:center}.ko-head-pic{border-radius:var(--ko-r);overflow:hidden;border:2px solid var(--ko-line);max-width:420px}.ko-head-pic svg,.ko-card-pic svg,.ko-big-tile svg{display:block;width:100%;height:auto}@media (min-width: 760px){.ko-head-art{grid-template-columns:minmax(0,1fr) minmax(0,360px)}}.ko-lead{font-size:1.12rem;color:#4a3b2d}.ko-gh{margin:6px 0 12px}.ko-gh h1{margin:0 0 2px;font-size:clamp(1.45rem,4vw,2.2rem)}.ko-gh p{margin:0;color:var(--ko-muted)}@media (max-width: 599px){.ko-k-game .ko-gh p,.ko-k-daily .ko-gh p{display:none}.ko-k-game .ko-crumbs ol,.ko-k-level .ko-crumbs ol,.ko-k-daily .ko-crumbs ol{margin:8px 0 2px;font-size:.8rem}.ko-gh{margin:2px 0 10px}}.ko-sub{font-weight:600}.ko-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--ko-sun);color:#2b1a0c;border:0;border-radius:999px;padding:10px 20px;font:700 1rem/1.25 var(--ko-body);text-decoration:none;cursor:pointer;min-height:44px;box-shadow:0 3px 0 var(--ko-sun-2);text-align:center}.ko-btn:hover{background:#f59c55;color:#2b1a0c}.ko-btn:active{transform:translateY(2px);box-shadow:0 1px 0 var(--ko-sun-2)}.ko-btn-big{font-size:1.08rem;padding:13px 24px}.ko-btn-soft{background:var(--ko-paper);color:var(--ko-gum);box-shadow:0 3px 0 var(--ko-line);border:1px solid var(--ko-line)}.ko-btn-soft:hover{background:#fff;color:var(--ko-gum-2)}.ko-link{font-weight:700}.ko-hero{background:linear-gradient(180deg,#f6e3c4 0%,var(--ko-sand) 100%);border-bottom:1px solid var(--ko-line);margin-bottom:8px}.ko-hero-in{display:grid;gap:10px;align-items:center;padding-top:22px;padding-bottom:26px}.ko-hero h1{font-size:clamp(1.9rem,6vw,3.1rem)}.ko-hero-acts{display:flex;flex-wrap:wrap;gap:12px}.ko-hero-art{position:relative;justify-self:center;width:min(240px,70vw);aspect-ratio:1}.ko-hero-bird{position:relative;z-index:1;width:100%;height:100%}.ko-sunrise{position:absolute;inset:12% 8% 18% 14%;border-radius:50%;background:radial-gradient(circle at 50% 60%,#ffd9a3 0 45%,#ffc070 46% 62%,#ffc07000 63%)}@media (max-width: 759px){.ko-hero-art{order:-1;width:112px;justify-self:start}.ko-hero-in{padding-top:12px;gap:4px}}@media (min-width: 760px){.ko-hero-in{grid-template-columns:minmax(0,1fr) 280px;padding-top:34px;padding-bottom:40px}.ko-hero-art{width:260px}}.ko-sec{margin:28px 0}.ko-sec>h2:first-child{margin-top:0}.ko-panel{background:var(--ko-paper);border:1px solid var(--ko-line);border-radius:var(--ko-r);padding:18px 18px 6px;position:relative}.ko-panel h2{display:flex;align-items:center;gap:8px;font-size:1.15rem;margin:0 0 .6em}.ko-panel h2 .ko-ic{color:var(--ko-sun-2)}.ko-panel:after{content:"";position:absolute;right:14px;top:-9px;width:26px;height:16px;background:var(--ko-leaf);border-radius:0 100%;transform:rotate(-12deg);opacity:.85}.ko-dawn{background:linear-gradient(160deg,#fff3df,#fde2bf);border-color:#f2cf9d}.ko-dawn-no{font:700 1.05rem var(--ko-head);color:var(--ko-bark)}.ko-dawn-no b{font-size:1.5rem;color:var(--ko-sun-2)}.ko-duo{display:grid;gap:20px}@media (min-width: 760px){.ko-duo{grid-template-columns:1fr 1fr}}.ko-cards{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(min(100%,270px),1fr))}.ko-card{background:var(--ko-paper);border:1px solid var(--ko-line);border-radius:var(--ko-r);overflow:hidden;display:flex;flex-direction:column}.ko-card-pic{display:block;aspect-ratio:16 / 10;overflow:hidden;border-bottom:3px solid var(--ko-sun)}.ko-card-snake .ko-card-pic{border-color:var(--ko-leaf)}.ko-card-bubbles .ko-card-pic{border-color:var(--ko-wing)}.ko-card-body{padding:14px 18px 16px;display:flex;flex-direction:column;flex:1}.ko-card-h{font-size:1.3rem;margin:0 0 .3em}.ko-card-h a{color:var(--ko-bark-2);text-decoration:none}.ko-card-modes{color:var(--ko-muted);font-size:.9rem}.ko-card-acts{margin:auto 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;padding-top:6px}.ko-tiles{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(min(100%,200px),1fr))}.ko-tile{display:flex;flex-direction:column;gap:2px;padding:16px 18px;border-radius:16px;background:var(--ko-gum);color:#fff8ea;text-decoration:none}.ko-tile b{font:800 1.4rem var(--ko-head);color:#ffc98f}.ko-tile:hover{background:var(--ko-gum-2);color:#fff}.ko-how{list-style:none;padding:0;margin:0;display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr))}.ko-how li{border-left:4px solid var(--ko-sun);padding:4px 0 4px 14px}.ko-how h3{margin-bottom:.2em}.ko-how p{margin:0;color:#4a3b2d}.ko-cont{background:#eaf2e4;border:1px solid #cfdfc6;border-radius:var(--ko-r);padding:16px 18px}.ko-cont-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}.ko-recs{list-style:none;padding:0;margin:0 0 10px}.ko-recs li{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2px 12px;padding:8px 0;border-bottom:1px dashed var(--ko-line)}.ko-recs a{font-weight:700}.ko-big-tiles{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}.ko-big-tile{display:block;background:var(--ko-paper);border:1px solid var(--ko-line);border-radius:var(--ko-r);overflow:hidden;text-decoration:none;color:var(--ko-ink)}.ko-big-tile-t{display:flex;flex-direction:column;gap:4px;padding:14px 18px 18px}.ko-big-tile-t b{font:800 1.3rem var(--ko-head);color:var(--ko-bark-2)}.ko-big-tile:hover b{color:var(--ko-sun-2)}.ko-stage{position:relative;margin:0 -16px 26px;background:var(--ko-sand);border-top:2px solid var(--ko-line);border-bottom:2px solid var(--ko-line);min-height:440px}.ko-stage-snake{height:min(calc(100svh - 64px),calc(133vw + 190px))}.ko-stage-bubbles{height:min(calc(100svh - 64px),calc(150vw + 90px))}.ko-stage-merge{height:min(calc(100svh - 64px),calc(100vw + 100px))}@media (min-width: 600px){.ko-stage{margin:0 0 28px;border:2px solid var(--ko-line);border-radius:24px;overflow:hidden;box-shadow:0 16px 36px -24px #2b211899}}@media (min-width: 900px){.ko-stage,.ko-stage-snake,.ko-stage-bubbles,.ko-stage-merge{height:clamp(520px,calc(100vh - 150px),660px);max-width:940px;margin-inline:auto}}.ko-nojs{padding:20px}.ko-cover{position:absolute;inset:0;z-index:60;display:grid;place-items:center;padding:16px;background:radial-gradient(circle at 50% 38%,#ffdcab,var(--ko-sand) 62%)}.ko-cover[hidden]{display:none}.ko-cover-in{text-align:center;max-width:420px}.ko-cover-bird{width:96px;height:96px}.ko-cover-no{font:700 1.1rem var(--ko-head);color:var(--ko-bark);margin:4px 0 0}.ko-cover-no b{color:var(--ko-sun-2);font-size:1.6rem}.ko-cover-g{font:800 1.6rem/1.2 var(--ko-head);color:var(--ko-bark-2);margin:0 0 14px}.ko-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 12px}.ko-tab{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:6px 14px;border-radius:999px;border:2px solid var(--ko-line);background:var(--ko-paper);color:var(--ko-ink);font:700 .98rem var(--ko-body);cursor:pointer}.ko-tab[aria-pressed=true]{background:var(--ko-gum);border-color:var(--ko-gum);color:#fff8ea}.ko-today{list-style:none;padding:0;margin:0 0 12px}.ko-today li{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2px 10px;padding:7px 0;border-bottom:1px dashed #efc994}.ko-cols{display:grid;gap:26px;grid-template-columns:minmax(0,1fr)}.ko-side{display:grid;gap:22px;align-content:start}@media (min-width: 980px){.ko-cols{grid-template-columns:minmax(0,1fr) 330px;gap:40px}}.ko-prose{max-width:72ch}.ko-prose h2{color:var(--ko-bark)}.ko-intro{font-size:1.1rem}.ko-paper{background:var(--ko-paper);border:1px solid var(--ko-line);border-radius:var(--ko-r);padding:22px 20px 10px;margin-top:6px}.ko-dl{margin:0 0 1em;display:grid;gap:10px}.ko-dl div{background:var(--ko-paper);border:1px solid var(--ko-line);border-radius:14px;padding:10px 14px}.ko-dl dt{font-weight:800;color:var(--ko-gum)}.ko-dl dd{margin:0}.ko-tips{padding-left:1.3em}.ko-tips li{margin-bottom:.6em}.ko-tips li::marker{color:var(--ko-sun-2);font-weight:800}.ko-faq{border-bottom:1px solid var(--ko-line);padding:4px 0}.ko-faq summary{cursor:pointer;font-weight:700;padding:8px 0;color:var(--ko-bark-2)}.ko-faq p{margin:0 0 10px}.ko-chips{list-style:none;padding:0;margin:0 0 12px;display:flex;flex-wrap:wrap;gap:8px}.ko-chips a{display:inline-flex;flex-direction:column;padding:6px 12px;border-radius:12px;background:#f3e6cc;text-decoration:none;color:var(--ko-ink);font-weight:700;line-height:1.3}.ko-chips small{font-weight:500;color:var(--ko-muted)}.ko-chips a:hover{background:#fde2bf}.ko-plain{padding-left:1.1em}.ko-plain li{margin-bottom:.4em}.ko-board{display:grid;gap:18px;margin-bottom:18px;background:var(--ko-paper);border:1px solid var(--ko-line);border-radius:var(--ko-r);padding:16px}.ko-board h2{margin-top:0}.ko-board-pic{margin:0;justify-self:center;width:100%;max-width:190px}.ko-prev{display:block;width:100%;height:auto}@media (min-width: 520px){.ko-board{grid-template-columns:170px minmax(0,1fr);align-items:start}}.ko-facts{margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,140px),1fr));gap:8px}.ko-facts div{background:var(--ko-sand);border-radius:12px;padding:6px 10px;border:1px solid #efe2cb}.ko-facts dt{font-size:.82rem;color:var(--ko-muted);line-height:1.3}.ko-facts dd{margin:0;font:800 1.15rem var(--ko-head);color:var(--ko-bark-2)}.ko-beat{display:flex;align-items:center;gap:8px;margin:12px 0 0;color:var(--ko-bark)}.ko-beat .ko-ic{color:var(--ko-sun-2)}.ko-pager{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 18px;margin:26px 0 0;padding-top:16px;border-top:2px dotted var(--ko-line)}.ko-pager a{display:inline-flex;align-items:center;gap:4px;font-weight:700;text-decoration:none;min-width:0}.ko-pager a[rel=next]{margin-left:auto;text-align:right}.ko-pager-all{order:3;flex:1 0 100%;justify-content:center;font-size:.92rem;text-align:center}.ko-t-easy{border-left-color:var(--ko-leaf)!important}.ko-t-normal{border-left-color:var(--ko-sun)!important}.ko-t-hard{border-left-color:var(--ko-coral)!important}.ko-sub.ko-t-easy{color:#3f7340}.ko-sub.ko-t-normal{color:var(--ko-sun-2)}.ko-sub.ko-t-hard{color:#a63d2b}.ko-lvs{list-style:none;padding:0;margin:0;display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(min(100%,148px),1fr))}.ko-lv{display:flex;flex-direction:column;padding:10px 12px;border-radius:14px;background:var(--ko-paper);border:1px solid var(--ko-line);border-left:5px solid var(--ko-line);text-decoration:none;color:var(--ko-ink);line-height:1.3;height:100%}.ko-lv b{font:800 1.25rem var(--ko-head);color:var(--ko-bark-2)}.ko-lv span{font-size:.86rem;color:var(--ko-muted)}.ko-lv:hover{background:#fff;box-shadow:0 6px 16px -10px #2b211880}.ko-guides{list-style:none;padding:0;margin:0;display:grid;gap:12px}.ko-guide{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;background:var(--ko-paper);border:1px solid var(--ko-line);border-radius:var(--ko-r);text-decoration:none;color:var(--ko-ink)}.ko-guide .ko-ic{color:var(--ko-sun-2);margin-top:3px}.ko-guide span{display:flex;flex-direction:column;gap:2px}.ko-guide b{font:800 1.12rem var(--ko-head);color:var(--ko-bark-2)}.ko-guide small{font-size:.92rem;color:var(--ko-muted)}.ko-rules{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr))}.ko-guide-art h1{margin-top:8px}.ko-mail{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.1rem}.ko-lost{text-align:center;padding-top:30px}.ko-lost-bird{width:160px;height:160px}.ko-foot{background:var(--ko-bark-2);color:#efe2cb;margin-top:30px;padding:30px 0 18px;border-top:6px solid var(--ko-gum)}.ko-foot a{color:#ffd4a1}.ko-foot-in{display:grid;gap:22px}@media (min-width: 760px){.ko-foot-in{grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1fr)}}.ko-foot-brand{display:flex;gap:14px;align-items:flex-start}.ko-foot-bird{width:64px;height:64px;flex:none;background:#fbf4e6;border-radius:50%;padding:4px}.ko-foot-h{color:#fff3dd;font-size:1rem;margin:0 0 .5em}.ko-foot ul{list-style:none;padding:0;margin:0}.ko-foot li{margin-bottom:6px}.ko-foot-low{border-top:1px solid rgba(239,226,203,.2);margin-top:20px;padding-top:14px;font-size:.86rem;color:#cdbb9f}.ko-foot-langs{display:flex;flex-wrap:wrap;gap:6px 16px}@media (prefers-reduced-motion: reduce){*{scroll-behavior:auto!important;transition:none!important}}