@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(data:font/woff2;base64,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) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/manrope-cyrillic-wght-normal.Dvxsihut.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/manrope-greek-wght-normal.DL7QRZyv.woff2) format("woff2-variations");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/manrope-vietnamese-wght-normal.usUDDRr7.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/manrope-latin-ext-wght-normal.Ch3YOpNY.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/manrope-latin-wght-normal.DHIcAJRg.woff2) format("woff2-variations");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{--bg: #ffffff;--panel: #f1f4f7;--surface: #fff;--line: #cbd3dc;--ink: #1a1f26;--sub: #4b5563;--on-ink: #f1f4f7;--focus: #b4440f;color-scheme:light}:root{--pick: #c9dcf5;--pick-ink: #1d4f91;--grid: #b9c3ce;--frame: #9aa6b4;--state-related: #eef3fa;--state-error: #b42318}:root{--shadow-pop: 0 8px 24px rgb(0 0 0 / .08)}:root{--ui-font: "Manrope Variable", system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "PingFang SC", "Apple SD Gothic Neo", "Noto Sans CJK JP", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;--digit-font: "Atkinson Hyperlegible Next Variable", var(--ui-font)}:root:lang(ja){--ui-font: "Manrope Variable", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Noto Sans CJK JP", "Meiryo", system-ui, sans-serif}:root:lang(zh-Hans){--ui-font: "Manrope Variable", "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, sans-serif}:root:lang(zh-Hant){--ui-font: "Manrope Variable", "PingFang TC", "Noto Sans CJK TC", "Microsoft JhengHei", system-ui, sans-serif}:root:lang(ko){--ui-font: "Manrope Variable", "Apple SD Gothic Neo", "Noto Sans CJK KR", "Malgun Gothic", system-ui, sans-serif}:root{--fs-2xs: 12px;--fs-xs: 13px;--fs-sm: 14px;--fs-md: 15px;--fs-base: 16px;--fs-lg: 17px;--fs-xl: 18px;--fs-2xl: 20px;--fs-3xl: 24px;--fs-4xl: 30px}:root{--lh-tight: 1.25;--lh-ui: 1.4;--lh-body: 1.6;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px}:root:lang(zh),:root:lang(ja),:root:lang(ko){--lh-body: 1.75}:root{--radius-xs: 6px;--radius-sm: 8px;--radius-md: 10px;--radius: 14px;--radius-full: 999px;--target: 44px;--page: 936px}.site-header{border-bottom:1px solid var(--line)}.site-header .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-top:10px;padding-bottom:10px}.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:var(--fs-2xl);font-weight:800;letter-spacing:-.01em}.header-right{flex:1;display:flex;align-items:center;gap:18px;margin-left:36px}.main-nav{display:flex;align-items:center;gap:22px;font-size:var(--fs-base);font-weight:600}.main-nav a,.phone-menu a{text-decoration:none}.main-nav a[aria-current=page],.phone-menu a[aria-current=page]{font-weight:800}.phone-menu{display:none;position:relative}.phone-menu summary{list-style:none;width:var(--target);height:var(--target);display:flex;align-items:center;justify-content:center;padding:6px;background-clip:content-box;border-radius:14px;cursor:pointer}.phone-menu summary::-webkit-details-marker{display:none}.phone-menu[open] summary{background-color:var(--panel)}.phone-menu nav{position:absolute;right:0;top:44px;z-index:10;min-width:200px;display:flex;flex-direction:column;gap:4px;padding:8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-pop);font-weight:600}.phone-menu nav a{padding:10px 12px;border-radius:var(--radius-sm)}.phone-menu nav a:hover{background:var(--panel);opacity:1}.phone-menu summary{-webkit-tap-highlight-color:transparent}.site-footer{border-top:1px solid var(--line);margin-top:48px;font-size:var(--fs-sm);color:var(--sub)}.site-footer .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-top:18px;padding-bottom:18px}.site-footer a{text-decoration:none}.site-footer nav{display:flex;gap:20px}.footer-left{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px}.lang-switch{margin-left:auto}.lang-switch select{height:32px;padding:0 28px 0 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234b5563' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 9px center;appearance:none;-webkit-appearance:none;color:var(--sub);font:inherit;font-size:var(--fs-sm);cursor:pointer}@media(max-width:760px){.footer-left{display:contents}.footer-left>span{flex-basis:100%}.main-nav{display:none}.header-right{display:contents}.site-header .container{flex-wrap:nowrap;justify-content:flex-start;gap:2px}.phone-menu{display:block;order:-1;margin-left:-14px;margin-right:-3px}.phone-menu nav{left:0;right:auto}}.level-bar{display:flex;flex-wrap:wrap;align-items:center;gap:0 22px;margin-bottom:6px}.level-label{margin-right:-8px;font-size:var(--fs-base);font-weight:500;color:var(--sub)}.difficulty-tabs{display:flex;flex-wrap:wrap;align-items:center;gap:0 20px;font-size:var(--fs-base)}.difficulty-tabs a{text-decoration:none;padding:10px 0;color:var(--sub);font-weight:500}.difficulty-tabs a[aria-current=page]{color:var(--ink);font-weight:800}.level-help{width:var(--target);height:var(--target);margin-left:auto;margin-right:-11px;display:inline-flex;align-items:center;justify-content:center;padding:0;border:0;border-radius:var(--radius-md);background:none;color:var(--sub);-webkit-tap-highlight-color:transparent}.level-help:hover{color:var(--ink)}@media(max-width:760px){.level-bar{flex-wrap:nowrap;margin-bottom:2px}.level-label{display:none}.difficulty-tabs{flex:0 1 auto;flex-wrap:nowrap;gap:0 clamp(12px,5vw,20px)}}.confetti{position:absolute;inset:var(--confetti-inset, 2px);overflow:hidden;border-radius:var(--radius);pointer-events:none;z-index:var(--confetti-z, 2)}.confetti span{position:absolute;top:-12px;width:8px;height:12px;border-radius:2px;background:var(--c);opacity:0;animation:confetti-fall 1.4s cubic-bezier(.3,.6,.5,1) backwards}@keyframes confetti-fall{0%{opacity:1;transform:translate(0) rotate(0)}80%{opacity:1}to{opacity:0;transform:translate(var(--dx),360px) rotate(var(--r))}}@media(prefers-reduced-motion:reduce){.confetti{display:none}}.calendar{padding:14px 16px 16px;background:var(--panel);border-radius:var(--radius)}.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.cal-title{font-weight:800}.cal-nav{width:36px;height:36px;display:flex;align-items:center;justify-content:center;padding:0;border:none;border-radius:var(--radius-md);background:transparent}@media(hover:hover){.cal-nav:not(:disabled):hover{background:color-mix(in srgb,var(--ink) 7%,var(--panel))}}.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;text-align:center}.cal-weekday{font-size:var(--fs-2xs);font-weight:700;color:var(--sub);padding-bottom:4px}.cal-day{position:relative;aspect-ratio:1;display:flex;align-items:center;justify-content:center;padding:0;border:none;border-radius:50%;background:transparent;color:var(--ink);font-size:var(--fs-sm);font-weight:700;font-variant-numeric:tabular-nums}@media(hover:hover){.cal-day:not(:disabled):hover{background:color-mix(in srgb,var(--ink) 7%,var(--panel))}}.cal-day--off:disabled{color:var(--sub);opacity:.45;font-weight:500}.cal-day--today{box-shadow:inset 0 0 0 1.5px var(--ink)}.cal-day--current,.cal-day--current:not(:disabled):hover{background:color-mix(in srgb,var(--ink) 14%,var(--panel))}.cal-day--solved,.cal-day--solved:not(:disabled):hover{background:var(--ink);color:var(--on-ink)}@media(hover:hover){.cal-day--solved:not(:disabled):hover{opacity:.85}}.cal-day--solved.cal-day--current{box-shadow:0 0 0 2px var(--panel),0 0 0 3.5px var(--ink)}.cal-day--started:after{content:"";position:absolute;bottom:4px;width:4px;height:4px;border-radius:50%;background:var(--sub)}:root{--board-max: 540px}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--ui-font);font-size:var(--fs-base);line-height:var(--lh-ui);min-height:100vh;display:flex;flex-direction:column}main{flex:1}a{color:inherit}a:hover{opacity:.75}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.45}:focus,:focus-visible{outline:none}:root select:focus-visible{border-color:var(--sub)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.container{max-width:var(--page);margin:0 auto;padding:0 24px}.play{padding-top:20px;min-height:calc(100svh - 65px)}.game{display:grid;grid-template-columns:minmax(0,1fr) 300px;column-gap:48px;row-gap:16px;align-items:start}.board-wrap{position:relative;width:100%;max-width:var(--board-max)}.board{position:relative;display:grid;grid-template-columns:repeat(var(--size),minmax(0,1fr));aspect-ratio:1;background:var(--surface);border:2px solid var(--frame);border-radius:var(--radius);overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;cursor:pointer}.cell{min-width:0;min-height:0;border-right:1px solid var(--grid);border-bottom:1px solid var(--grid);background:var(--surface)}.cell--right{border-right:0}.cell--bottom{border-bottom:0}.cell--filled{background:color-mix(in srgb,var(--c) 14%,var(--surface))}.cell--selected{background:var(--pick)}.lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.line{fill:none;stroke-width:.34;stroke-linecap:round;stroke-linejoin:round}.end-panel{position:absolute;inset:2px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:24px;text-align:center;background:#ffffffe6;border-radius:var(--radius);animation:panel-in .4s ease-out}.end-title{margin:0;font-size:var(--fs-4xl);font-weight:800}.end-line{margin:0;font-size:var(--fs-xl)}.end-sub{margin:0;color:var(--sub)}.end-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:14px}@keyframes panel-in{0%{opacity:0}}.side{display:flex;flex-direction:column;gap:16px}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat{display:flex;flex-direction:column;padding:10px 12px;background:var(--panel);border-radius:var(--radius)}.stat-label{font-size:var(--fs-md);color:var(--sub)}.stat-value{font-size:var(--fs-3xl);font-weight:800;font-variant-numeric:tabular-nums}.stat-value--quiet{font-weight:600;color:var(--sub)}.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.tool{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;min-height:64px;padding:8px 4px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);font-size:var(--fs-md);font-weight:600;-webkit-tap-highlight-color:transparent}.tool-badge{position:absolute;top:6px;right:8px;min-width:24px;height:24px;padding:0 4px;border-radius:12px;background:var(--pick);color:var(--pick-ink);font-size:var(--fs-md);font-weight:700;line-height:24px;font-variant-numeric:tabular-nums}.tool:not(:disabled):hover{background:var(--panel)}.tool:disabled .tool-badge{background:var(--panel);color:var(--sub)}.message{min-height:1.4em;margin:0;color:var(--sub);font-size:var(--fs-md)}.confirm-text{margin:0 0 10px;font-size:var(--fs-md)}.confirm-row{display:flex;flex-wrap:wrap;gap:10px}.confirm-row .btn{flex:1 1 auto;white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;height:52px;padding:0 22px;border-radius:var(--radius);font:inherit;font-size:var(--fs-base);font-weight:800;text-decoration:none;white-space:nowrap;border:1px solid var(--ink);background:transparent;color:var(--ink);cursor:pointer}.btn--primary{background:var(--ink);color:var(--on-ink)}.btn--block{width:100%}.game--tour .tour{grid-column:2;grid-row:1}.game--tour .board-wrap{grid-column:1;grid-row:1 / span 2}.game--tour .side{grid-column:2;grid-row:2}.tour{display:flex;flex-direction:column;gap:12px;padding:16px 18px;background:var(--surface);border:2px solid var(--pick-ink);border-radius:var(--radius)}.tour-head{display:flex;align-items:flex-start;gap:8px}.tour-title{flex:1;margin:0;font-size:var(--fs-xl);font-weight:800;line-height:var(--lh-tight)}.tour-close{width:40px;height:40px;margin:-8px -10px 0 0;display:inline-flex;align-items:center;justify-content:center;padding:0;border:0;border-radius:var(--radius-md);background:none;color:var(--sub)}.tour-close:hover{color:var(--ink)}.tour-body{display:flex;flex-direction:column;gap:12px}.tour-text{margin:0;min-height:4.2em;font-size:var(--fs-lg);line-height:var(--lh-ui)}.tour-board{position:relative;display:grid;grid-template-columns:repeat(4,1fr);width:160px;margin-inline:auto;aspect-ratio:1;border:2px solid var(--frame);border-radius:var(--radius-sm);overflow:hidden;background:var(--surface)}.tour-cell{border-right:1px solid var(--grid);border-bottom:1px solid var(--grid)}.tour-board svg{position:absolute;inset:0;width:100%;height:100%}.tour-foot{display:flex;align-items:center;justify-content:space-between;gap:12px}.tour-btn{width:64px;height:52px;display:inline-flex;align-items:center;justify-content:center;padding:0;border:1px solid var(--ink);border-radius:var(--radius);background:transparent;color:var(--ink)}.tour-btn svg{width:28px;height:28px}.tour-btn--go{background:var(--ink);color:var(--on-ink)}.tour-btn:disabled{opacity:.3}.tour-dots{display:inline-flex;gap:8px}.tour-dot{width:10px;height:10px;border-radius:50%;background:var(--line)}.tour-dot--on{background:var(--pick-ink)}.how,.page{padding-top:40px}.prose{max-width:720px;line-height:var(--lh-body)}.prose h1,.prose h2,.prose h3{line-height:var(--lh-tight);color:var(--ink)}.prose h1{font-size:var(--fs-4xl);margin:0 0 var(--space-4)}.prose h2{font-size:var(--fs-3xl);margin:40px 0 var(--space-2)}.prose p,.prose li{color:var(--sub)}.prose p,.prose ul,.prose ol{margin:0 0 var(--space-3)}.prose li+li{margin-top:var(--space-1)}.prose strong{color:var(--ink)}.prose table{border-collapse:collapse;margin:var(--space-3) 0 var(--space-4);font-variant-numeric:tabular-nums}.prose th,.prose td{padding:6px 16px 6px 0;text-align:left;border-bottom:1px solid var(--line)}.prose .btn{color:var(--on-ink)}@media(max-width:760px){.container{padding:0 14px}.play{padding-top:8px}.game{grid-template-columns:minmax(0,1fr)}.game--tour .tour,.game--tour .board-wrap,.game--tour .side{grid-column:1;grid-row:auto}.board-wrap{margin:0 auto}.stat{padding:8px 10px}.stat-value{font-size:var(--fs-2xl)}}@media(prefers-reduced-motion:reduce){.end-panel{animation:none}}