:root{color-scheme:light;--page: #f3f5f1;--surface: #ffffff;--ink: #17201b;--muted: #69746d;--line: #c7d0c9;--board: #273029;--board-cell: #3b453e;--green: #1c7259;--coral: #ed5968;--gold: #f0bc3f;--blue: #5376df;--cyan: #35a8ce;--mint: #31b69d;--purple: #9a61d1;--orange: #f18b3a;--shadow: 0 14px 32px rgba(26, 42, 33, .16)}*{box-sizing:border-box;letter-spacing:0;-webkit-tap-highlight-color:transparent}html,body{min-width:320px;min-height:100%;margin:0}body{overflow-x:hidden;background:var(--page);color:var(--ink);font-family:Apple SD Gothic Neo,Malgun Gothic,system-ui,sans-serif}button{color:inherit;font:inherit;cursor:pointer}button:focus-visible{outline:3px solid var(--gold);outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.34}[hidden]{display:none!important}.topbar{min-height:66px;padding:8px max(14px,env(safe-area-inset-left));display:grid;grid-template-columns:minmax(200px,1fr) auto minmax(200px,1fr);align-items:center;gap:14px;border-bottom:1px solid var(--line);background:var(--surface)}.brand{min-width:0;display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none}.brand>span:last-child{min-width:0;display:grid;gap:1px}.brand b{overflow-wrap:anywhere;font-size:18px;line-height:1.1}.brand small{color:var(--green);font-size:9px;font-weight:900}.brand-mark{width:44px;height:42px;flex:0 0 44px;display:grid;grid-template-columns:repeat(3,12px);grid-template-rows:repeat(3,12px);gap:2px}.brand-mark i{border:1px solid #303b35;border-radius:2px;box-shadow:inset 0 3px #ffffff59}.brand-mark i:nth-child(1){grid-area:1 / 1;background:var(--coral)}.brand-mark i:nth-child(2){grid-area:2 / 1;background:var(--gold)}.brand-mark i:nth-child(3){grid-area:2 / 2;background:var(--mint)}.brand-mark i:nth-child(4){grid-area:2 / 3;background:var(--blue)}.brand-mark i:nth-child(5){grid-area:3 / 3;background:var(--purple)}.segments{display:grid;grid-template-columns:repeat(2,minmax(90px,1fr));border:1px solid var(--line);border-radius:6px}.segments button{min-height:36px;padding:5px 13px;border:0;background:#f8faf8;font-size:11px;font-weight:850}.segments button+button{border-left:1px solid var(--line)}.segments button.selected{background:#e1f0ea;color:var(--green)}.toolbar{justify-self:end;display:flex;gap:6px}.icon-button{width:40px;height:40px;padding:0;display:grid;place-items:center;border:1px solid var(--line);border-radius:6px;background:#f8faf8}.icon-button svg{width:19px;height:19px}.game-shell{width:min(1040px,100%);min-height:calc(100dvh - 66px);margin:0 auto;padding:14px 16px max(16px,env(safe-area-inset-bottom))}.score-strip{min-height:58px;display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);background:var(--surface)}.score-strip:not(.rush-mode){grid-template-columns:repeat(4,1fr)}.score-strip>div{min-width:0;padding:7px 10px;display:grid;place-items:center;gap:2px}.score-strip>div+div{border-left:1px solid var(--line)}.score-strip span{color:var(--muted);font-size:9px;font-weight:850}.score-strip strong{font-size:18px;font-variant-numeric:tabular-nums}.score-strip>div:first-child strong{color:var(--coral)}.score-strip strong.urgent{color:var(--coral);animation:urgent .55s ease-in-out infinite alternate}@keyframes urgent{to{transform:scale(1.08)}}.play-layout{min-width:0;margin-top:12px;display:grid;grid-template-columns:minmax(0,1fr) 290px;border:1px solid var(--line);background:var(--surface)}.board-area{min-width:0;padding:20px;display:grid;place-items:center;align-content:center;border-right:1px solid var(--line);background:#e4ebe6}.board-frame{position:relative;width:min(100%,610px,calc(100dvh - 190px));aspect-ratio:1;padding:12px;border-radius:8px;background:var(--board);box-shadow:var(--shadow)}.board-stripe{position:absolute;z-index:3;top:0;right:12px;left:12px;height:5px;display:grid;grid-template-columns:repeat(5,1fr)}.board-stripe i:nth-child(1){background:var(--coral)}.board-stripe i:nth-child(2){background:var(--gold)}.board-stripe i:nth-child(3){background:var(--mint)}.board-stripe i:nth-child(4){background:var(--blue)}.board-stripe i:nth-child(5){background:var(--purple)}.board{width:100%;height:100%;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);gap:clamp(3px,.55vw,6px)}.board-cell{position:relative;min-width:0;min-height:0;padding:0;border:1px solid #4a554e;border-radius:4px;background:var(--board-cell);touch-action:none}.board-cell:after{content:"";position:absolute;inset:4px;border:1px solid rgba(255,255,255,.05);border-radius:2px}.board-cell.filled,.board-cell.preview-valid{border-color:#1a241e94;box-shadow:inset 0 5px #ffffff47,inset 0 -5px #00000026,0 2px 3px #00000038}.board-cell.preview-valid{opacity:.64;transform:scale(.92)}.board-cell.preview-invalid{background:#9e3d47;opacity:.75}.board-cell.crush-preview{outline:2px solid #ffd864;outline-offset:-3px}.board-cell.hint-cell{animation:hint-cell .65s ease-in-out infinite alternate}@keyframes hint-cell{to{filter:brightness(1.55);box-shadow:0 0 9px #ffd55c}}.board-cell.clearing{z-index:2;animation:clear-cell .28s ease forwards}@keyframes clear-cell{40%{transform:scale(1.12);filter:brightness(1.8)}to{transform:scale(.1) rotate(18deg);opacity:0}}.color-yellow{background:#f5ca45!important}.color-cyan{background:var(--cyan)!important}.color-coral{background:var(--coral)!important}.color-gold{background:var(--gold)!important}.color-mint{background:var(--mint)!important}.color-blue{background:var(--blue)!important}.color-purple{background:var(--purple)!important}.color-orange{background:var(--orange)!important}.color-green{background:#48a75c!important}.combo-burst{position:absolute;z-index:8;inset:0;display:none;place-items:center;color:#fff;font-size:clamp(21px,4vw,42px);font-weight:950;text-shadow:0 3px 0 rgba(0,0,0,.28);pointer-events:none}.combo-burst.show{display:grid;animation:burst .6s ease-out forwards}@keyframes burst{0%{transform:scale(.6);opacity:0}35%{transform:scale(1.08);opacity:1}to{transform:scale(1);opacity:0}}.board-status{width:min(100%,610px);min-height:38px;margin-top:10px;display:flex;align-items:center;gap:7px;color:var(--muted)}.board-status>span:first-child{width:8px;height:8px;flex:0 0 8px;border-radius:50%;background:var(--green)}.board-status>span:first-child[data-tone=warn]{background:var(--coral)}.board-status>span:first-child[data-tone=active]{background:var(--blue)}.board-status>span:first-child[data-tone=clear]{background:var(--gold)}.board-status>span:first-child[data-tone=hint]{background:var(--purple)}.board-status strong{overflow-wrap:anywhere;color:var(--ink);font-size:11px}.board-status>span:last-child{margin-left:auto;font-size:10px;font-variant-numeric:tabular-nums}.tool-panel{min-width:0;align-self:stretch;display:flex;flex-direction:column}.tool-panel section{padding:16px}.tool-panel section+section{border-top:1px solid var(--line)}.section-head{margin-bottom:12px;display:flex;justify-content:space-between;align-items:baseline;gap:8px}.section-head span{color:var(--green);font-size:9px;font-weight:900}.section-head b{color:var(--muted);font-size:9px}.piece-tray{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.piece-button{min-width:0;height:104px;padding:7px;display:grid;place-items:center;border:1px solid var(--line);border-radius:6px;background:#f6f8f5;touch-action:none}.piece-button.selected{border-color:var(--blue);background:#eaf0ff;box-shadow:0 0 0 2px #5376df33}.piece-button.used{background:#f1f3f1}.used-mark{color:#a8b2ac;font-size:19px}.piece-grid{display:grid;grid-template-columns:repeat(var(--piece-columns),13px);grid-template-rows:repeat(var(--piece-rows),13px);gap:2px}.piece-grid i{width:13px;height:13px;border-radius:2px}.piece-cell{border:1px solid rgba(36,46,40,.38);box-shadow:inset 0 3px #ffffff4d,inset 0 -2px #0000001f}.power-meter{height:8px;overflow:hidden;border:1px solid var(--line);border-radius:4px;background:#e7ebe8}.power-meter i{display:block;width:0;height:100%;background:var(--gold);transition:width .22s ease}.crush-button{width:100%;min-height:44px;margin-top:10px;padding:7px 12px;display:flex;align-items:center;justify-content:center;gap:7px;border:1px solid #c99b26;border-radius:6px;background:#fff3c9;color:#7c5700;font-size:11px;font-weight:900}.crush-button.active{background:var(--gold);color:#282114}.crush-button svg{width:18px}.action-section{display:grid;grid-template-columns:repeat(2,1fr);gap:7px}.tool-button{min-width:0;min-height:48px;padding:6px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:1px solid var(--line);border-radius:6px;background:#f8faf8;font-size:10px;font-weight:850}.tool-button svg{width:17px}.tool-button.accent{border-color:#bea14a;background:#fff6d6;color:#795d08}.record-section{margin-top:auto;display:grid;grid-template-columns:repeat(3,1fr);padding:0!important}.record-section div{min-width:0;min-height:58px;padding:8px 5px;display:grid;place-items:center;gap:2px}.record-section div+div{border-left:1px solid var(--line)}.record-section span{color:var(--muted);font-size:8px;text-align:center}.record-section b{font-size:15px}dialog{max-width:calc(100vw - 24px);padding:0;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);box-shadow:0 24px 60px #14231b57}dialog::backdrop{background:#121e17a8}.rules-dialog{width:min(560px,calc(100vw - 24px))}.dialog-head{padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line)}.dialog-head span{color:var(--green);font-size:9px;font-weight:900}.dialog-head h2{margin:2px 0 0;font-size:20px}.rules-content{max-height:min(610px,68dvh);overflow:auto;padding:8px 18px 18px}.rules-content section{padding:13px 0;border-bottom:1px solid var(--line)}.rules-content section:last-child{border-bottom:0}.rules-content b{font-size:13px}.rules-content p{margin:4px 0 0;color:#4f5a54;font-size:12px;line-height:1.6}.result-dialog{width:min(390px,calc(100vw - 24px));padding:26px;text-align:center}.result-dialog>p{margin:0 0 3px;color:var(--green);font-size:10px;font-weight:900}.result-dialog h2{margin:0 0 18px;font-size:25px}.result-score{padding:13px;display:grid;gap:3px;border:1px solid var(--line)}.result-score span{color:var(--muted);font-size:9px}.result-score strong{color:var(--coral);font-size:30px}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);border-right:1px solid var(--line);border-bottom:1px solid var(--line);border-left:1px solid var(--line)}.result-grid span{padding:9px;display:grid;gap:2px}.result-grid span+span{border-left:1px solid var(--line)}.result-grid small{color:var(--muted);font-size:8px}.result-grid b{font-size:15px}.result-dialog>button{width:100%;min-height:46px;margin-top:12px;display:flex;align-items:center;justify-content:center;gap:7px;border:0;border-radius:6px;background:var(--green);color:#fff;font-weight:900}.result-dialog>button svg{width:18px}@media(max-width:720px){.topbar{min-height:58px;padding:6px 8px;grid-template-columns:1fr auto;gap:6px}.brand-mark{width:38px;height:36px;flex-basis:38px;grid-template-columns:repeat(3,10px);grid-template-rows:repeat(3,10px)}.brand b{font-size:16px}.topbar>.segments{grid-row:2;grid-column:1 / -1}.toolbar{grid-area:1 / 2;gap:3px}.icon-button{width:36px;height:36px}.game-shell{min-height:calc(100dvh - 96px);padding:8px}.score-strip{min-height:48px}.score-strip>div{padding:5px}.score-strip strong{font-size:15px}.play-layout{margin-top:7px;grid-template-columns:1fr}.board-area{padding:10px 8px 4px;border-right:0;border-bottom:1px solid var(--line)}.board-frame{width:min(100%,530px);padding:8px}.board{gap:3px}.board-cell{border-radius:3px}.board-status{min-height:31px;margin-top:4px}.tool-panel{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(126px,.8fr)}.tool-panel section{padding:10px}.tool-panel section+section{border-top:0;border-left:1px solid var(--line)}.tray-section{grid-row:1 / 3}.power-section{grid-column:2}.action-section{grid-column:2;padding-top:0!important}.action-section{grid-template-columns:1fr}.action-section .tool-button{min-height:36px;flex-direction:row}.tool-button span{white-space:nowrap}.record-section{grid-column:1 / -1;border-top:1px solid var(--line)!important;border-left:0!important}.piece-button{height:92px}.section-head{margin-bottom:7px}.crush-button{min-height:40px;margin-top:7px}.tool-button{min-height:42px}}@media(max-width:380px){.brand small{display:none}.score-strip span{font-size:8px}.score-strip strong{font-size:14px}.tool-panel{grid-template-columns:minmax(0,1.45fr) 128px}.piece-button{height:82px;padding:4px}.piece-grid{grid-template-columns:repeat(var(--piece-columns),11px);grid-template-rows:repeat(var(--piece-rows),11px)}.piece-grid i{width:11px;height:11px}}@media(min-width:720px)and (max-height:570px)and (orientation:landscape){.topbar{min-height:50px;padding-block:4px}.brand-mark{width:36px;height:34px;flex-basis:36px;grid-template-columns:repeat(3,9px);grid-template-rows:repeat(3,9px)}.game-shell{width:100%;min-height:calc(100dvh - 50px);padding:7px;display:grid;grid-template-columns:126px minmax(0,1fr);gap:7px}.score-strip{grid-template-columns:1fr;align-self:start;min-height:0}.score-strip>div{min-height:45px}.score-strip>div+div{border-top:1px solid var(--line);border-left:0}.play-layout{margin:0;grid-template-columns:minmax(0,1fr) 250px}.board-area{padding:8px}.board-frame{width:min(100%,calc(100dvh - 80px));padding:7px}.tool-panel section{padding:9px}.piece-button{height:77px}.piece-grid{grid-template-columns:repeat(var(--piece-columns),10px);grid-template-rows:repeat(var(--piece-rows),10px)}.piece-grid i{width:10px;height:10px}.board-status{display:none}.record-section div{min-height:44px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}