:root{--paper:#f4f1e9;--ink:#2b3029;--muted:#77796c;--line:#d8d9cd;--green:#58634b;--light:#e5e9dd;--accent:#ad6047;--serif:Georgia,'Times New Roman','AppleMyungjo','Nanum Myeongjo',serif;font-family:-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Noto Sans KR',sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:disabled{opacity:.35;cursor:default}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button{touch-action:manipulation}button svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}[hidden]{display:none!important}.page{max-width:1180px;margin:auto;padding:0 max(44px,env(safe-area-inset-left)) 0 max(44px,env(safe-area-inset-right))}.masthead{height:97px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--ink)}.portal-link{display:flex;align-items:center;gap:15px;min-height:44px;font-size:11px;letter-spacing:.02em}.teum-symbol{font-size:29px;font-weight:850;letter-spacing:-.08em}.back-arrow{font-size:18px;margin-left:10px}.header-right{display:flex;align-items:center;gap:37px}.edition,.overline,.index-label{font:10px/1.5 ui-monospace,'SFMono-Regular',monospace;letter-spacing:.13em}.text-button{border:0;background:none;font-size:12px;min-height:44px;padding:8px 0}.text-button span{border:1px solid var(--line);border-radius:50%;display:inline-grid;place-items:center;width:22px;height:22px;margin-left:7px}main{display:grid;grid-template-columns:1fr 490px;gap:68px;padding:62px 0 58px}.index-label{display:flex;align-items:center;gap:9px;color:var(--green)}.small-square{width:6px;height:6px;background:var(--green)}h1{font-size:100px;line-height:1.12;font-weight:450;letter-spacing:-.085em;margin:32px 0 21px}.title-dot{color:var(--accent);padding-left:7px}.headline{font-size:25px;line-height:1.65;letter-spacing:-1.3px;font-weight:350;margin:0}.intro-copy{font-size:13px;line-height:2;color:var(--muted);margin:21px 0 0;letter-spacing:-.2px}.paper-note{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:37px;padding:24px 76px 24px 0;position:relative}.note-title{font-size:12px;font-weight:650}.paper-note p{font-size:11px;line-height:1.9;color:var(--muted);margin-bottom:0}.note-sketch{position:absolute;right:6px;top:28px;transform:rotate(-7deg);font:17px/1.65 var(--serif);color:var(--muted)}.note-sketch i{border:1px solid var(--accent);border-radius:50%;padding:1px 3px;color:var(--accent)}.quiet-note{display:flex;gap:15px;align-items:center;margin-top:28px}.quiet-note>span{font-size:30px;color:var(--accent)}.quiet-note p{font-size:11px;line-height:1.9;color:var(--muted)}.game{min-width:0}.mobile-title{display:none}.game-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:21px}.overline{color:var(--green);font-size:10px;letter-spacing:.08em}.game-heading h2{font-size:18px;font-weight:500;letter-spacing:-.6px;margin:7px 0 0}.new-button{border:1px solid #c6c9bb;background:transparent;padding:0 15px;height:44px;display:flex;align-items:center;gap:24px;font-size:12px}.new-button:hover{background:var(--light)}.new-button span{font-size:18px}.game-meta{display:flex;gap:14px;align-items:center;font-size:11px;color:var(--muted);height:33px}.game-meta>span:first-child{color:var(--green)}#progress{padding-left:14px;border-left:1px solid var(--line);font-variant-numeric:tabular-nums}.timer-button{margin-left:auto;display:flex;gap:9px;align-items:center;border:0;background:transparent;padding:8px 0 8px 12px;min-height:44px;font:12px ui-monospace,monospace}.timer-button svg{height:13px;width:13px}.board-frame{position:relative;margin-top:6px}.board{display:grid;grid-template-columns:repeat(9,1fr);aspect-ratio:1;border:2px solid #6a705c;background:#d7dacd;gap:0;isolation:isolate}.cell{border:0;border-right:1px solid #d7dacd;border-bottom:1px solid #d7dacd;background:#faf9f3;padding:0;position:relative;min-width:0;display:grid;place-items:center;font:26px/1 var(--serif);color:var(--green);border-radius:0;touch-action:manipulation}.cell:nth-child(3n){border-right:2px solid #8c9380}.cell:nth-child(9n){border-right:0}.cell:nth-child(n+19):nth-child(-n+27),.cell:nth-child(n+46):nth-child(-n+54){border-bottom:2px solid #8c9380}.cell:nth-child(n+73){border-bottom:0}.cell.given{color:var(--ink)}.cell.peer{background:#edf0e6}.cell.same{background:#dfe5d4}.cell.selected{background:#cfd9bd;box-shadow:inset 0 0 0 2px var(--green);z-index:1}.cell.conflict,.cell.wrong{color:#b14231;background:#f4e3dc}.cell.selected.conflict,.cell.selected.wrong{box-shadow:inset 0 0 0 2px #b14231}.cell:focus-visible{outline:2px solid var(--green);outline-offset:-3px;z-index:2}.cell-notes{position:absolute;inset:3px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);font:10px/1 -apple-system,sans-serif;color:var(--muted)}.cell-notes span{display:grid;place-items:center}.board-caption{display:flex;align-items:center;justify-content:space-between;min-height:34px;font-size:10px;color:var(--muted);gap:10px}.caption-mark{font-size:19px;color:var(--accent)}.tools{display:grid;grid-template-columns:repeat(4,1fr);margin:4px 0 17px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:9px 0}.tools button{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;background:transparent;border:0;border-right:1px solid var(--line);font-size:11px;white-space:nowrap}.tools button:last-child{border-right:0}.tools svg{width:18px;height:18px}#notes[aria-pressed=true]{color:var(--green);background:var(--light)}.tools small{font:8px ui-monospace,monospace}.keypad{display:grid;grid-template-columns:repeat(10,1fr);gap:5px}.number-key{min-height:51px;border:1px solid #cbd0bf;border-bottom:2px solid #b8c0aa;background:#e9edde;font:24px var(--serif);display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:3px;gap:3px}.number-key:hover{background:#dce4cc}.number-key:active{transform:translateY(1px);background:#cfd9bd}.number-key small{font:8px -apple-system,sans-serif;color:#7a8469}.number-key.used{opacity:.4}.erase-key{background:transparent;font-family:inherit}.save-line{font-size:9px;color:var(--muted);display:flex;align-items:center;gap:5px;margin-top:14px}.save-dot{height:4px;width:4px;border-radius:50%;background:var(--green)}.keyboard-note{margin-left:auto;font-size:9px}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;min-height:79px;font-size:10px;color:var(--muted);padding-bottom:env(safe-area-inset-bottom)}footer a{display:flex;align-items:center;min-height:44px}.pause-cover{position:absolute;inset:0;background:#edeee5;z-index:4;display:flex;flex-direction:column;justify-content:center;align-items:center}.pause-flower{font-size:60px;color:var(--green)}.pause-cover h3{font-size:25px;font-weight:400;letter-spacing:-1px;margin-bottom:5px}.pause-cover p{font-size:12px;color:var(--muted);margin-bottom:25px}.pause-cover button{width:200px}.primary-button{min-height:50px;background:var(--green);color:var(--paper);border:0;display:flex;align-items:center;justify-content:space-between;padding:12px 18px;font-size:13px;width:100%}.primary-button:hover{background:#454f3a}.primary-button span{font-size:20px}.primary-button:disabled{cursor:wait}dialog{padding:28px;width:min(430px,calc(100% - 32px));max-height:calc(100dvh - 32px);overflow:auto;color:var(--ink);background:var(--paper);border:1px solid #bdc2b1;border-radius:1px;box-shadow:0 20px 90px #1b22162a}dialog::backdrop{background:#28302670;backdrop-filter:blur(3px)}.dialog-heading{display:flex;justify-content:space-between;align-items:center;margin-top:-9px}.dialog-heading .close-dialog{border:0;background:none;font-size:25px;width:44px;height:44px;margin-right:-12px}.dialog-heading .overline{font-size:9px}dialog h2{font-size:28px;line-height:1.6;font-weight:450;letter-spacing:-1px;margin:17px 0}dialog p{font-size:13px;line-height:1.9;color:#686e5e}dialog dl{font-size:12px;line-height:1.8;border-top:1px solid var(--line);padding-top:17px}dialog dt{font-weight:650}dialog dd{margin:3px 0 15px;color:var(--muted)}dialog .dialog-footnote{font-size:11px;line-height:1.8;margin:22px 0}.mode-options{display:grid;grid-template-columns:1fr 1fr;margin:22px 0}.mode-options button{min-height:46px;border:1px solid var(--line);background:none;font-size:12px}.mode-options button[aria-pressed=true]{background:var(--green);color:var(--paper);border-color:var(--green)}.difficulty-options{border:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:24px 0}.difficulty-options legend{font-size:10px;color:var(--muted);margin-bottom:14px}.difficulty-options label{position:relative;cursor:pointer}.difficulty-options input{position:absolute;opacity:0}.difficulty-options label>span{padding:14px 0;display:flex;flex-direction:column;gap:8px;align-items:center;font-size:12px;border:1px solid var(--line)}.difficulty-options small{font-size:10px;color:var(--muted)}.difficulty-options input:checked+span{border-color:var(--green);background:var(--light)}.difficulty-options input:focus-visible+span{outline:2px solid var(--accent)}.hint-number{font:70px var(--serif);color:var(--green);text-align:center;margin:25px}.complete-flower{display:block;font-size:70px;color:var(--accent);margin-top:12px}.complete-time{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:20px 0 28px;font-size:11px}.complete-time strong{font:28px var(--serif)}.complete-home{font-size:12px;min-height:50px;display:grid;place-items:center}#toast{position:fixed;left:50%;bottom:max(24px,env(safe-area-inset-bottom));transform:translate(-50%,20px);background:var(--ink);color:var(--paper);padding:13px 19px;font-size:12px;line-height:1.5;z-index:10;pointer-events:none;opacity:0;transition:opacity .2s,transform .2s;width:max-content;max-width:calc(100% - 30px);text-align:center}#toast.show{opacity:1;transform:translate(-50%,0)}
h1,.mobile-title h2{font-family:var(--serif);font-weight:400}
@media(min-width:1200px){main{gap:114px;grid-template-columns:1fr 490px}}
@media(max-width:960px){.page{padding:0 28px}main{gap:35px;grid-template-columns:1fr 440px}.headline{font-size:22px}.intro-copy{font-size:11px}.paper-note{padding-right:0}.note-sketch{display:none}h1{font-size:85px}.tools button{gap:5px;font-size:10px}.keyboard-note{display:none}}
@media(max-width:760px){.page{max-width:570px;padding:0 max(22px,env(safe-area-inset-left)) 0 max(22px,env(safe-area-inset-right))}.masthead{height:68px}.portal-link{gap:10px;font-size:10px}.teum-symbol{font-size:26px}.back-arrow{margin-left:0}.edition{display:none}.text-button{font-size:11px}.introduction{display:none}main{display:block;padding:22px 0 26px}.mobile-title{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:21px}.mobile-title h2{font-size:35px;letter-spacing:-2px;font-weight:500;margin:0}.mobile-title h2 span{color:var(--accent)}.mobile-title p{font-size:11px;color:var(--muted);margin:0}.game-heading{margin-bottom:9px}.game-heading h2{font-size:16px;margin-top:4px}.game-meta{height:32px}.new-button{font-size:11px;padding:0 12px;gap:19px}.cell{font-size:26px}.tools{margin-bottom:12px;padding:5px 0}.tools button{font-size:10px;gap:5px;flex-direction:column;padding:3px 0}.tools svg{height:17px;width:17px}.tools small{font-size:7px}.keypad{grid-template-columns:repeat(5,1fr);gap:6px}.number-key{height:50px;min-height:50px;font-size:24px;flex-direction:row;gap:7px}.number-key small{font-size:9px;margin-top:5px}.erase-key svg{height:20px}.save-line{margin-top:12px}footer{min-height:66px;font-size:9px}.board-caption{font-size:10px;min-height:31px}}
@media(max-width:360px){.page{padding-left:max(15px,env(safe-area-inset-left));padding-right:max(15px,env(safe-area-inset-right))}.masthead{height:59px}main{padding-top:16px}.mobile-title{margin-bottom:16px}.mobile-title h2{font-size:30px}.cell{font-size:22px}.cell-notes{font-size:8px;inset:2px}.board-caption{font-size:9px}.number-key{min-height:46px;height:46px}dialog{padding:22px}dialog h2{font-size:25px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
@media(max-width:760px) and (max-height:740px){.mobile-title{display:none}main{padding-top:14px}.masthead{height:54px}.game-heading{margin-bottom:5px}.board-caption{min-height:27px}.tools{margin-top:0;margin-bottom:9px;padding:3px 0}.number-key{height:46px;min-height:46px}.save-line{margin-top:9px}}
@media(orientation:landscape) and (max-height:600px) and (max-width:1100px){.page{max-width:960px;padding:0 max(18px,env(safe-area-inset-left)) 0 max(18px,env(safe-area-inset-right))}.masthead{height:48px}.edition{display:none}.introduction,.mobile-title,footer{display:none}main{display:block;padding:12px 0}.game{display:grid;grid-template-columns:minmax(220px,calc(100svh - 96px)) minmax(230px,1fr);column-gap:24px;align-items:center}.board-frame{grid-column:1;grid-row:1/6;margin:0;width:100%;align-self:start}.board{width:100%}.cell{font-size:21px}.cell-notes{font-size:8px;inset:2px}.game-heading{grid-column:2;grid-row:1;margin:0}.game-heading h2{font-size:15px;margin:2px 0 0}.new-button{font-size:11px;padding:0 12px;gap:15px}.game-meta{grid-column:2;grid-row:2;height:27px}.board-caption{grid-column:1;grid-row:6;min-height:25px;font-size:9px}.tools{grid-column:2;grid-row:3;padding:2px 0;margin:3px 0 8px}.tools button{font-size:9px;gap:3px;flex-direction:column;min-height:44px}.tools svg{width:15px;height:15px}.keypad{grid-column:2;grid-row:4;grid-template-columns:repeat(5,1fr);gap:5px}.number-key{min-height:44px;height:44px;font-size:22px;flex-direction:row;gap:5px}.save-line{grid-column:2;grid-row:5;margin-top:8px}.keyboard-note{display:none}.pause-flower{font-size:35px}.pause-cover h3{font-size:20px;margin-top:10px}.pause-cover p{margin-bottom:15px}}