:root{--bg:#14120f;--surface:#1c1915;--fg:#ede8df;--muted:#8e857a;--board:#cbab78;--grid:#2b2015;--koma-face:#f7f0e0;--koma-shade:#ece0c6;--koma-edge:#b39a72;--ink:#17140f;--light:255 246 224;--last-mark:122 78 40;--koma-mark:178 46 38;--kanji-min:13px;--sq:clamp(32px, calc((100vw - 4.5rem) / 9), 56px);--kanji:max(var(--kanji-min), calc(var(--sq) * .4));--font-koma:"Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", "Songti SC", serif;--font-ui:system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:var(--font-ui);background:var(--bg);color:var(--fg)}*{box-sizing:border-box}body{background:radial-gradient(ellipse at 50% 30%, #1b1813, var(--bg) 70%);min-height:100dvh;margin:0}:focus-visible{outline:2px solid rgb(var(--light) / .85);outline-offset:2px}.app{max-width:68rem;margin:0 auto;padding:clamp(1rem,3vw,2rem) 1.25rem 3rem}.app-head{flex-wrap:wrap;align-items:baseline;gap:.15rem .75rem;margin-bottom:clamp(1rem,3vw,1.75rem);display:flex}.app-title{white-space:nowrap;letter-spacing:.08em;color:var(--board);margin:0;font-size:1.125rem;font-weight:600}.app-tagline{color:var(--muted);margin:0;font-size:.8125rem}.notice{text-align:center;color:var(--muted);justify-items:center;gap:1rem;padding:4rem 1rem;display:grid}.notice p{margin:0}.game{grid-template-columns:auto minmax(13rem,17rem);align-items:start;gap:clamp(1rem,3vw,2.25rem);width:-moz-fit-content;width:fit-content;margin-inline:auto;display:grid}.game-board{z-index:50;transform-origin:50% 58%;justify-items:center;gap:.6rem;transition:transform .9s cubic-bezier(.22,.61,.36,1);display:grid;position:relative}.game[data-intervening] .game-board{transform:perspective(1600px)rotateX(7deg)rotate(-1.1deg)scale(1.015)}.board-frame{grid-template-rows:auto auto;grid-template-columns:auto auto;gap:.3rem .35rem;display:grid}.board-files,.board-ranks{color:var(--muted);font-variant-numeric:tabular-nums;font-size:.6875rem;display:grid}.board-files{grid-column:1;grid-template-columns:repeat(9, var(--sq));justify-items:center}.board-ranks{grid-area:2/2;grid-template-rows:repeat(9, var(--sq));align-items:center}.board{grid-area:2/1;grid-template-columns:repeat(9, var(--sq));background:var(--grid);border:2px solid var(--grid);gap:1px;padding:1px;display:grid;position:relative;box-shadow:0 18px 40px #0000008c}.board:after{content:"";pointer-events:none;background-image:radial-gradient(circle, var(--grid) 1.6px, transparent 1.8px), radial-gradient(circle, var(--grid) 1.6px, transparent 1.8px), radial-gradient(circle, var(--grid) 1.6px, transparent 1.8px), radial-gradient(circle, var(--grid) 1.6px, transparent 1.8px);background-position:33.33% 33.33%,66.67% 33.33%,33.33% 66.67%,66.67% 66.67%;background-repeat:no-repeat;background-size:8px 8px;position:absolute;inset:0}.square{width:var(--sq);height:var(--sq);background:var(--board);cursor:pointer;border:0;place-items:center;padding:0;display:grid;position:relative}.square:disabled{cursor:default}.square:before,.square:after{content:"";pointer-events:none;opacity:0;position:absolute;inset:0}.square[data-lit]:after{opacity:1;background:rgb(var(--light) / .26)}.square[data-lit][data-occupied]:after{background:rgb(var(--light) / .42)}.square[data-last=to]:before,.square[data-last=from]:before{opacity:1;background:rgb(var(--last-mark) / .34)}.square[data-last=from]:before{background:rgb(var(--last-mark) / .2)}.square[data-last=to]{box-shadow:inset 0 0 0 2px rgb(var(--last-mark) / .62)}.square[data-check]:before{opacity:1;background:radial-gradient(circle at 50% 50%, rgb(var(--light) / 0) 50%, rgb(var(--light) / 1) 61%, rgb(var(--light) / 0) 76%)}.koma{clip-path:polygon(50% 0%,87% 15%,100% 100%,0% 100%,13% 15%);background:linear-gradient(178deg, var(--koma-edge) 0%, var(--koma-face) 4%, var(--koma-face) 55%, var(--koma-shade) 100%);filter:drop-shadow(0 1px 1.5px #00000073);place-items:center;width:80%;height:84%;display:grid;position:relative}.koma[data-side=white]{transform:rotate(180deg)}.koma-kanji{font-family:var(--font-koma);font-size:var(--kanji);color:var(--ink);-webkit-user-select:none;user-select:none;font-weight:600;line-height:1;position:relative;top:5%}.koma-kanji[data-promoted]{color:rgb(var(--koma-mark))}.koma-marks{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.koma-mark{fill:rgb(var(--koma-mark) / .88)}.square[data-selected]{box-shadow:inset 0 0 0 2px rgb(var(--light) / .9)}.square[data-selected] .koma{filter:drop-shadow(0 4px 5px #00000080);transform:translateY(-2px)}.veil{z-index:40;pointer-events:none;background:#060504b8;animation:.52s both veil-in;position:fixed;inset:0}@keyframes veil-in{0%{opacity:0}to{opacity:1}}.blunder-mark{z-index:1;pointer-events:none;animation:2.4s ease-in-out infinite blunder-breathe;position:absolute;inset:0}.blunder-mark[data-role=from]{box-shadow:inset 0 0 0 2px rgb(var(--light) / 1), inset 0 0 20px rgb(var(--light) / .8)}.blunder-mark[data-role=to]{background:radial-gradient(circle at 50% 50%, rgb(var(--light) / 0) 42%, rgb(var(--light) / 1) 66%, rgb(var(--light) / 0) 88%)}@keyframes blunder-breathe{0%,to{opacity:1}50%{opacity:.55}}.replay-koma{--dx:calc(var(--dcol,0) * (var(--sq) + 1px));--dy:calc(var(--drow,0) * (var(--sq) + 1px));left:calc(1px + var(--col,0) * (var(--sq) + 1px));top:calc(1px + var(--row,0) * (var(--sq) + 1px));z-index:2;pointer-events:none;width:var(--sq);height:var(--sq);place-items:center;animation:2.4s cubic-bezier(.4,0,.2,1) both blunder-replay;display:grid;position:absolute}.replay-koma .koma{opacity:.9;filter:drop-shadow(0 0 12px rgb(var(--light) / .8))}@keyframes blunder-replay{0%{opacity:0;transform:translate(0)scale(1)}8%{opacity:1;transform:translate(0)scale(1.1)}46%{opacity:1;transform:translate(var(--dx), var(--dy)) scale(1.1)}66%{opacity:1;transform:translate(var(--dx), var(--dy)) scale(1.1)}96%,to{opacity:0;transform:translate(0)scale(1)}}.replay-koma[data-drop]{animation-name:blunder-drop}@keyframes blunder-drop{0%{opacity:0;transform:translateY(calc(var(--sq) * -.9)) scale(1.3)}30%{opacity:1;transform:translateY(0)scale(1.1)}66%{opacity:1;transform:translateY(0)scale(1.1)}96%,to{opacity:0;transform:translateY(0)scale(1)}}.intervention{z-index:60;border:1px solid rgb(var(--light) / .24);background:linear-gradient(#241f18,#17130f);justify-items:start;gap:.5rem;padding:1rem 1.15rem 1.1rem;animation:.56s cubic-bezier(.22,.61,.36,1) 1.05s both intervention-in;display:grid;position:relative;box-shadow:0 18px 48px #0009}@keyframes intervention-in{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.intervention-label{letter-spacing:.22em;color:rgb(var(--light) / .7);margin:0;font-size:.75rem;font-weight:500}.intervention-move{flex-wrap:wrap;align-items:baseline;gap:.4rem;margin:0;display:flex}.intervention-move-ja{font-family:var(--font-koma);font-size:1.375rem;line-height:1.2}.intervention-move-tail{color:var(--muted);font-size:.8125rem}.intervention-message{margin:0;font-size:.875rem;line-height:1.7}.intervention-delta{gap:.3rem;width:100%;margin:0;display:grid}.intervention-delta-text{font-variant-numeric:tabular-nums;color:var(--muted);font-size:.75rem}.intervention-delta-track{background:rgb(var(--light) / .12);height:2px}.intervention-delta-fill{background:rgb(var(--light) / .75);height:100%;display:block}.hand{width:100%;max-width:calc(var(--sq) * 9 + 6px);min-height:calc(var(--sq) * .92);background:var(--surface);border:1px solid rgb(var(--light) / .07);align-items:center;gap:.6rem;padding:.3rem .6rem;display:flex}.hand-label{width:3.2em;color:var(--muted);flex:none;font-size:.75rem}.hand-pieces{flex-wrap:wrap;align-items:center;gap:.3rem;display:flex}.hand-empty{color:var(--muted);font-size:.75rem}.hand-piece{width:calc(var(--sq) * .82);height:calc(var(--sq) * .82);cursor:pointer;background:0 0;border:0;place-items:center;padding:0;display:grid;position:relative}.hand-piece:disabled{cursor:default;opacity:.55}.hand-piece .koma-kanji{font-size:calc(var(--kanji) * .86)}.hand-piece[data-selected]{box-shadow:inset 0 0 0 2px rgb(var(--light) / .9)}.hand-piece[data-selected] .koma{filter:drop-shadow(0 4px 5px #00000080);transform:translateY(-2px)}.hand-count{background:var(--bg);color:var(--fg);font-variant-numeric:tabular-nums;padding:0 .25em;font-size:.625rem;position:absolute;bottom:-.2rem;right:-.1rem}.game-side{align-content:start;gap:1rem;display:grid}.status{margin:0;font-size:.9375rem}.status[data-tone=wait]{color:var(--muted)}.status[data-tone=result]{color:var(--board);font-weight:600}.rejection{background:var(--surface);border-left:2px solid rgb(var(--light) / .5);margin:0;padding:.6rem .75rem;font-size:.8125rem;line-height:1.6}.promotion,.resign-confirm{background:var(--surface);flex-wrap:wrap;align-items:center;gap:.5rem;padding:.6rem .75rem;font-size:.8125rem;display:flex}.panel-title{letter-spacing:.16em;color:var(--muted);margin:0 0 .4rem;font-size:.75rem;font-weight:500}.kifu-empty{color:var(--muted);margin:0;font-size:.8125rem}.kifu-list{max-height:min(20rem,40vh);margin:0;padding:0;list-style:none;overflow-y:auto}.kifu-row{border-bottom:1px solid rgb(var(--light) / .06);grid-template-columns:2.5ch 1fr;gap:.75rem;padding:.3rem .25rem;display:grid}.kifu-number{color:var(--muted);font-variant-numeric:tabular-nums;text-align:right;font-size:.75rem}.kifu-move{font-family:var(--font-koma);font-size:.9375rem}.kifu-row[data-by=engine] .kifu-move{color:#cfc7ba}.btn{border:1px solid rgb(var(--light) / .18);color:var(--fg);font:inherit;cursor:pointer;background:0 0;padding:.4rem .9rem;font-size:.8125rem}.btn:hover{border-color:rgb(var(--light) / .4)}.btn--primary{border-color:rgb(var(--light) / .55)}.btn--danger{color:#e0a49a;border-color:#7a4a42}.game-side>.btn{justify-self:start}@media (max-width:60rem){.game{grid-template-columns:1fr}.game-side{justify-items:stretch}.intervention{width:min(30rem,100vw - 1.5rem);margin-inline:auto;position:fixed;bottom:clamp(.75rem,3vh,1.5rem);left:0;right:0}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important;animation-delay:0s!important}}