:root{--paper:#f5efe3;--paper-2:#fbf8f1;--card:#fffdf8;--ink:#23201b;--ink-2:#5c554a;--ink-3:#8b8375;--line:#e2d8c5;--manila:#e9d5a6;--manila-2:#dcc187;--accent:#1d4e89;--accent-soft:#e3ecf7;--red:#b3261e;--green:#2f7d3a;--green-soft:#e3f1e4;--amber:#b26a00;--shadow:0 1px 2px #3c2d1414, 0 4px 14px #3c2d140f;--radius:12px;--mono:"Courier Prime", ui-monospace, "SF Mono", Menlo, monospace;--type:"Special Elite", "Courier Prime", ui-monospace, monospace;--sans:"Inter", system-ui, -apple-system, "Segoe UI", sans-serif;color-scheme:light}@media (prefers-color-scheme:dark){:root{--paper:#1b1a17;--paper-2:#22201c;--card:#282621;--ink:#eee8dc;--ink-2:#bdb4a4;--ink-3:#8c8475;--line:#3a362f;--manila:#4a3f28;--manila-2:#5b4d30;--accent:#8db4ea;--accent-soft:#233247;--red:#ef7b72;--green:#7cc488;--green-soft:#1f3423;--amber:#e3a84f;--shadow:0 1px 2px #0000004d, 0 4px 14px #00000040;color-scheme:dark}}*{box-sizing:border-box}[hidden]{display:none!important}html{-webkit-text-size-adjust:100%}body{background:var(--paper);color:var(--ink);font:16px/1.6 var(--sans);margin:0}a{color:var(--accent);text-underline-offset:2px}img{max-width:100%}button{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.wrap{max-width:1080px;margin:0 auto;padding:0 16px}.narrow{max-width:780px}.top{z-index:20;background:color-mix(in srgb, var(--paper) 88%, transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0}.top .wrap{align-items:center;gap:16px;height:56px;display:flex}.logo{font-family:var(--type);color:var(--ink);white-space:nowrap;font-size:1.15rem;text-decoration:none}.logo b{color:var(--red);font-weight:400}.nav{scrollbar-width:none;gap:4px;margin-left:auto;display:flex;overflow-x:auto}.nav a{color:var(--ink-2);white-space:nowrap;border-radius:8px;padding:6px 10px;font-size:.92rem;text-decoration:none}.nav a:hover,.nav a[aria-current=page]{background:var(--card);color:var(--ink)}.nav .due{font-family:var(--mono);background:var(--red);color:#fff;border-radius:99px;margin-left:4px;padding:0 6px;font-size:.75rem}.nav .due:empty,.nav .ni{display:none}@media (width<=640px){body{padding-bottom:64px}.top{backdrop-filter:none;background:var(--paper)}.nav{z-index:30;background:var(--card);border-top:1px solid var(--line);padding:4px 4px calc(4px + env(safe-area-inset-bottom));gap:0;margin:0;position:fixed;bottom:0;left:0;right:0}.nav a{flex-direction:column;flex:1;align-items:center;padding:4px 2px;font-size:.72rem;display:flex;position:relative}.nav .ni{font-size:1.3rem;line-height:1.3;display:block}.nav .due{margin:0;position:absolute;top:0;left:55%}}main{padding:28px 0 80px}h1,h2,h3{line-height:1.25}h1{letter-spacing:-.01em;margin:0 0 8px;font-size:clamp(1.6rem,4vw,2.2rem)}.label{font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);font-size:.78rem}.muted{color:var(--ink-2)}.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.btn{border:1px solid var(--line);background:var(--card);cursor:pointer;color:var(--ink);border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:10px 16px;font-weight:500;text-decoration:none;transition:transform 80ms,background .15s;display:inline-flex}.btn:hover{background:var(--paper-2)}.btn:active{transform:translateY(1px)}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover{filter:brightness(1.08)}@media (prefers-color-scheme:dark){.btn.primary{color:#10161f}}.btn.small{padding:6px 10px;font-size:.88rem}.btn:disabled{opacity:.5;cursor:default}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.stamp{font-family:var(--type);color:var(--red);border:3px double var(--red);letter-spacing:.08em;text-transform:uppercase;opacity:.88;mix-blend-mode:multiply;border-radius:6px;padding:2px 10px;display:inline-block;transform:rotate(-6deg)}@media (prefers-color-scheme:dark){.stamp{mix-blend-mode:normal}}.stamp.green{color:var(--green);border-color:var(--green)}.stamp.pop{animation:.45s cubic-bezier(.2,1.6,.4,1) pop}@keyframes pop{0%{opacity:0;transform:rotate(-6deg)scale(2.2)}to{opacity:.88;transform:rotate(-6deg)scale(1)}}.bar{background:var(--line);border-radius:99px;height:8px;overflow:hidden}.bar>i{background:var(--green);border-radius:99px;width:0;height:100%;transition:width .4s;display:block}.pips{gap:4px;display:flex}.pips i{background:var(--line);border-radius:3px;width:100%;height:6px}.pips i.on{background:var(--green)}.prose{overflow-wrap:anywhere}.prose h2{margin:2em 0 .6em;font-size:1.35rem}.prose h3{margin:1.6em 0 .5em;font-size:1.1rem}.prose .tbl{border:1px solid var(--line);border-radius:10px;margin:1em 0;overflow-x:auto}.prose table{border-collapse:collapse;width:100%;font-size:.93rem;line-height:1.5}.prose th,.prose td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;overflow-wrap:break-word;min-width:9em;padding:8px 12px}.prose th+th,.prose td+td{border-left:1px solid var(--line)}.prose tr:last-child td{border-bottom:0}.prose th{background:var(--paper-2);text-transform:uppercase;letter-spacing:.04em;color:var(--ink-2);font-size:.82rem}.prose td:first-child{width:1%;min-width:8em;font-weight:600}.prose tbody tr:nth-child(2n) td{background:color-mix(in srgb, var(--paper-2) 45%, transparent)}@media (width<=640px){.prose .tbl{border:0;overflow:visible}.prose .tbl table,.prose .tbl tbody,.prose .tbl tr,.prose .tbl td{width:auto;min-width:0;display:block}.prose .tbl thead{display:none}.prose .tbl tr{border:1px solid var(--line);background:var(--card);border-radius:10px;margin:0 0 10px;overflow:hidden}.prose .tbl td{border:0;border-top:1px solid var(--line);padding:8px 12px;background:0 0!important}.prose .tbl td:first-child{border-top:0;background:var(--paper-2)!important}.prose .tbl td+td:before{content:attr(data-label);text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3);margin-bottom:2px;font-size:.72rem;font-weight:600;display:block}.prose .tbl td[data-label=""]:before{display:none}}.prose blockquote{border-left:4px solid var(--amber);background:var(--paper-2);border-radius:0 8px 8px 0;margin:1em 0;padding:10px 16px}.prose blockquote p{margin:.3em 0}.prose li{margin:.25em 0}.prose code{font-family:var(--mono);background:var(--paper-2);border-radius:4px;padding:0 4px}.wl-note:after{content:" ↗";font-size:.8em}.wl-missing{border-bottom:1px dotted var(--ink-3);cursor:help}.toast{background:var(--ink);color:var(--paper);box-shadow:var(--shadow);z-index:50;border-radius:99px;padding:10px 18px;font-size:.95rem;animation:2.6s forwards toast;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}@keyframes toast{0%{opacity:0;transform:translate(-50%,10px)}10%,85%{opacity:1;transform:translate(-50%)}to{opacity:0}}.footer{border-top:1px solid var(--line);color:var(--ink-3);padding:24px 0 40px;font-size:.88rem}.dg{overflow-wrap:break-word;border:1px solid var(--line);background:var(--card);border-radius:12px;margin:1em 0 1.4em;padding:14px 16px 16px}.dg figcaption{margin-bottom:12px;font-weight:700}.dg-steps{counter-reset:st;flex-wrap:wrap;gap:22px 26px;margin:0;padding:0;list-style:none;display:flex}.dg-steps li{background:var(--paper-2);border:1px solid var(--line);border-top:4px solid var(--accent);counter-increment:st;border-radius:10px;flex:140px;max-width:220px;margin:0;padding:10px 12px;position:relative}.dg-steps li:before{content:counter(st);font:700 .75rem var(--mono);color:var(--ink-3);display:block}.dg-steps li:not(:last-child):after{content:"→";color:var(--ink-3);font-weight:700;position:absolute;top:50%;right:-21px;transform:translateY(-50%)}.dg-steps b{line-height:1.3;display:block}.dg-steps span{color:var(--ink-2);margin-top:4px;font-size:.85rem;line-height:1.4;display:block}.dg-cycle .dg-steps li{border-top-color:var(--amber)}.dg-loop{font:600 .85rem var(--mono);color:var(--amber);margin-top:10px}.dg-root{background:var(--ink);width:fit-content;max-width:100%;color:var(--paper);text-align:center;border-radius:99px;margin:0 auto;padding:8px 18px;font-weight:700}.dg-branches{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin-top:8px;display:grid}.dg-root+.dg-branches:before{content:"↓";text-align:center;color:var(--ink-3);grid-column:1/-1;font-weight:700;line-height:1}.dg-br{background:var(--paper-2);border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:10px;padding:10px 12px}.dg-br b{line-height:1.3;display:block}.dg-br ul{color:var(--ink-2);margin:6px 0 0;padding-left:1.1em;font-size:.86rem}.dg-br li{margin:2px 0}@media (width<=640px){.dg-steps{flex-direction:column;gap:22px}.dg-steps li{max-width:none}.dg-steps li:not(:last-child):after{content:"↓";inset:auto auto -21px 50%;transform:translate(-50%)}.dg-branches{grid-template-columns:1fr}}.bulb{position:relative}.bulb-t{font:inherit;color:inherit;cursor:help;border:0;border-bottom:2px dotted var(--amber);text-align:inherit;background:0 0;padding:0}.bulb-i{vertical-align:super;margin-left:2px;font-size:.75em}.bulb-tip{z-index:40;background:var(--ink);width:max-content;max-width:min(320px,86vw);color:var(--paper);box-shadow:var(--shadow);overflow-wrap:break-word;white-space:normal;border-radius:10px;padding:10px 12px;font-size:.9rem;font-weight:400;line-height:1.45;display:none;position:fixed;top:0;left:12px}.bulb.open .bulb-tip{animation:.15s fade;display:block}@media (hover:hover){.bulb-t:hover{background:color-mix(in srgb, var(--amber) 14%, transparent)}}kbd{font:.72rem var(--mono);opacity:.6;border:1px solid;border-radius:4px;padding:0 4px}@media (hover:none){kbd{display:none}}.fc-meta{flex-wrap:wrap;justify-content:space-between;gap:8px;margin-bottom:8px;display:flex}.fc-card{cursor:pointer;background:var(--card);border:1px solid var(--line);min-height:190px;box-shadow:var(--shadow);background-image:repeating-linear-gradient(transparent 0 31px, color-mix(in srgb, var(--accent) 12%, transparent) 31px 32px);background-position:0 14px;border-radius:14px;flex-direction:column;justify-content:center;gap:16px;padding:26px 24px;display:flex}.fc-q{font-size:1.2rem;font-weight:600}.fc-a{border-top:2px dashed var(--line);padding-top:14px;animation:.25s fade}@keyframes fade{0%{opacity:0;transform:translateY(4px)}}.fc-actions{justify-content:center;margin-top:14px;display:flex}.fc-grade{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.fc-grade .bad:hover{border-color:var(--red)}.fc-grade .mid:hover{border-color:var(--amber)}.fc-grade .good:hover{border-color:var(--green)}.fc-done,.fc-empty{text-align:center;padding:28px 12px}.fc-done .stamp{margin-bottom:12px;font-size:1.1rem}.mn span{min-width:1ch;transition:color .2s;display:inline-block}.mn span.hit{color:var(--green)}.sk-list{gap:8px;margin:14px 0;padding:0;list-style:none;display:grid}.sk-list li{background:var(--card);border:1px solid var(--line);cursor:grab;box-shadow:var(--shadow);border-radius:10px;grid-template-columns:32px 1fr auto;align-items:center;gap:10px;padding:10px 12px;transition:border-color .2s,background .2s;display:grid}.sk-list li.dragging{opacity:.4}.sk-list li.ok{border-color:var(--green);background:var(--green-soft)}.sk-list li.bad{border-color:var(--red);animation:.35s shake}@keyframes shake{25%{transform:translate(-4px)}75%{transform:translate(4px)}}.sk-n{font:700 1rem var(--mono);color:var(--ink-3);text-align:center}.sk-t small{color:var(--ink-2);margin-top:4px;font-size:.9rem;display:block}.sk-btns{gap:4px;display:flex}.sc-title{margin:0 0 12px;font-size:1.3rem}.sc-clock{font:700 3.4rem var(--mono);letter-spacing:.04em;margin:8px 0}.sc-clock.over{color:var(--red)}.sc-list{gap:8px;margin:12px 0 18px;padding:0;list-style:none;display:grid}.sc-list label{cursor:pointer;border:1px solid var(--line);background:var(--card);border-radius:10px;align-items:flex-start;gap:12px;padding:10px 12px;display:flex}.sc-list label:has(input:checked){border-color:var(--green);background:var(--green-soft)}.sc-list input{width:20px;height:20px;accent-color:var(--green);flex:none;margin-top:2px}.sc-list small{color:var(--ink-2);font-size:.88rem;display:block}.sc-result{align-items:center;gap:24px;margin:12px 0 18px;display:flex}.sc-result .big{font:700 3rem var(--mono)}.sc-result .stamp{font-size:1.2rem}.game{margin-top:4px}.mg-pairs{grid-template-columns:1fr 1fr;gap:12px;margin:12px 0;display:grid}.mg-pairs>div{align-content:start;gap:8px;display:grid}.mg-tile{text-align:left;border:1px solid var(--line);background:var(--paper-2);cursor:pointer;border-radius:10px;padding:10px 12px;font-size:.93rem;line-height:1.35;transition:all .15s}.mg-tile[data-side=l]{font-weight:600}.mg-tile:hover{border-color:var(--ink-3)}.mg-tile.sel{border-color:var(--accent);background:var(--accent-soft)}.mg-tile.ok{border-color:var(--green);background:var(--green-soft);opacity:.7;cursor:default}.mg-tile.bad{border-color:var(--red);animation:.35s shake}.mg-q{margin:10px 0 14px;font-size:1.05rem}.mg-scen{background:var(--paper-2);border-left:4px solid var(--manila-2);border-radius:0 8px 8px 0;padding:10px 14px}.mg-stmt{margin:8px 0;font-size:1.2rem;font-weight:600}.mg-opts{gap:8px;display:grid}.mg-opt{text-align:left;justify-content:flex-start}.mg-opt.ok{border-color:var(--green);background:var(--green-soft);opacity:1}.mg-opt.bad{border-color:var(--red);color:var(--red);opacity:1}.mg-explain{background:var(--paper-2);border-radius:10px;margin-top:14px;padding:12px 14px;animation:.25s fade}.mg-explain .btn{margin-top:10px}.mg-cloze{padding-left:1.3em;line-height:2.3}.mg-gap{font:inherit;border:0;border-bottom:2px solid var(--ink-3);background:var(--paper-2);color:var(--ink);border-radius:4px 4px 0 0;max-width:100%;padding:0 6px}.mg-gap:focus{border-bottom-color:var(--accent);outline:none}.mg-gap.ok{border-bottom-color:var(--green);background:var(--green-soft)}.mg-gap.bad{border-bottom-color:var(--red);color:var(--red);text-decoration:line-through}.mg-fix{color:var(--green);margin-left:6px;font-weight:600}.mg-bank{flex-wrap:wrap;gap:6px;margin-top:12px;display:flex}.chip{border:1px dashed var(--ink-3);background:var(--card);cursor:pointer;border-radius:99px;padding:4px 12px}.chip:hover{border-style:solid}.mg-end{text-align:center;border-top:2px dashed var(--line);margin-top:18px;padding:16px 0 4px}.mg-end .big{font:700 2.6rem var(--mono)}.mg-end .stamp{margin:6px 0 4px;font-size:1.1rem}@media (width<=640px){.mg-pairs{gap:8px}.mg-tile{padding:8px;font-size:.85rem}}.mg-face{object-fit:cover;object-position:top;float:left;filter:sepia(.25);border-radius:50%;width:30px;height:30px;margin:-2px 8px 0 0}.tl-list li{grid-template-columns:64px 1fr auto}.tl-year{font:700 1rem var(--mono);color:var(--ink-3);text-align:center;border-right:2px dashed var(--line);padding-right:8px}.tl-list li.ok .tl-year{color:var(--green)}.tl-list li[draggable=false]{cursor:default}.so-card{text-align:center;background:var(--manila);border:1px solid var(--manila-2);min-height:92px;box-shadow:var(--shadow);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:6px;margin:10px 0 14px;padding:16px;font-size:1.08rem;animation:.25s fade;display:flex}.so-card.done{min-height:0;box-shadow:none;background:0 0;border:0;padding:0}.so-bins{grid-template-columns:repeat(var(--n), 1fr);gap:8px;display:grid}.so-bin{text-align:left;cursor:pointer;border:2px dashed var(--line);background:var(--paper-2);min-height:120px;color:var(--ink);border-radius:12px;flex-direction:column;align-items:stretch;gap:6px;padding:10px;transition:border-color .15s,background .15s;display:flex}.so-bin:hover:not([disabled]){border-color:var(--ink-3)}.so-bin[disabled]{cursor:default}.so-name{font-size:.92rem;font-weight:700}.so-in{flex-wrap:wrap;gap:4px;display:flex}.so-in i{background:var(--green-soft);color:var(--green);border-radius:99px;padding:2px 8px;font-size:.78rem;font-style:normal}.so-bin.flash-ok{border-color:var(--green);background:var(--green-soft);border-style:solid}.so-bin.flash-bad{border-color:var(--red);border-style:solid;animation:.35s shake}.so-bin.hint{border-color:var(--green);border-style:solid}@media (width<=640px){.so-bins{grid-template-columns:1fr 1fr}.so-bin{min-height:80px}}
