@charset "UTF-8";
:root{--paper:#f6f3ec;--ink:#233e36;--muted:#78857b;--green:#174f43;--accent:#d5e6a6;--line:#dfE3d8;--white:#fffefa;--serif:Georgia,'Times New Roman',serif;font-family:ui-sans-serif,system-ui,-apple-system,'Segoe UI','Malgun Gothic',sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.46}button{transition:background .18s,transform .18s,color .18s}button:active:not(:disabled){transform:translateY(1px)}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #b99140;outline-offset:4px}button[hidden],[hidden]{display:none!important}a{color:inherit}button{color:inherit}.site-header{max-width:1200px;margin:auto;height:110px;padding:0 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:14px;text-decoration:none;font-family:var(--serif);font-size:28px;font-weight:bold;line-height:1}.brand-light{font-weight:normal}.brand small{display:block;font:10px system-ui,sans-serif;letter-spacing:3px;margin-top:9px;color:var(--muted)}.brand-mark{display:grid;grid-template-columns:repeat(2,12px);gap:4px;transform:rotate(-12deg)}.brand-mark i{width:12px;height:12px;border-radius:50%;background:var(--green)}.brand-mark i:nth-child(2),.brand-mark i:nth-child(3){background:transparent;border:1.5px solid var(--green)}.header-actions{display:flex;align-items:center;gap:23px}.network{display:flex;align-items:center;gap:8px;font-size:11px;color:#6d796f}.network i{width:6px;height:6px;background:#76a176;border-radius:50%}.icon-button{width:32px;height:32px;border-radius:50%;border:1px solid #ced5c8;background:transparent;font-family:var(--serif);font-size:17px}.icon-button:hover{background:#e8ecdf}main{max-width:1200px;padding:0 40px;margin:auto}.intro{padding:45px 0 36px;display:flex;align-items:center;justify-content:space-between}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:650;color:#798573;margin:0 0 13px}h1{font-size:clamp(23px,2.4vw,32px);font-weight:500;letter-spacing:-1.5px;margin:0 0 12px}h2{font-size:22px;font-weight:600;letter-spacing:-1px;margin:0 0 12px}h3{font-size:13px;margin:0;font-weight:650}.intro-copy{color:var(--muted);font-size:12px;margin:0}.intro-decoration{font-family:var(--serif);font-size:57px;letter-spacing:-6px;color:#dce2cf;transform:rotate(-18deg);padding-right:25px}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:48px;align-items:start}.play-area{min-width:0}.scoreboard{display:flex;gap:14px;align-items:center;margin-bottom:19px}.player{display:flex;align-items:center;gap:12px;flex:1;min-width:0;border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:#fbfaf5;transition:border-color .2s,background .2s}.player.active{border-color:#789a72;background:#f0f3e6}.player>div{min-width:0}.player>div>span{display:block;max-width:145px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:650}.player small{display:block;font-size:8px;letter-spacing:1.2px;color:var(--muted);margin-top:5px}.player strong{font-family:var(--serif);font-size:30px;font-weight:normal;margin-left:auto}.mini-disc{display:inline-block;width:25px;height:25px;flex-shrink:0;border-radius:50%}.mini-disc.black{background:radial-gradient(circle at 32% 25%,#48504a,#17251f 70%);box-shadow:0 2px 3px #102c2825}.mini-disc.white{background:radial-gradient(circle at 30% 25%,#fff,#e8e7dc 80%);box-shadow:inset 0 -1px 2px #bcbdae,0 2px 3px #102c2820}.versus{font-family:var(--serif);font-style:italic;font-size:13px;color:#9ba393}.board-shell{padding:19px 23px 17px;border-radius:16px;background:var(--green);box-shadow:0 14px 28px #19453815,0 2px 2px #19453814;color:#d0e1cd}.board-top,.board-bottom{display:flex;align-items:center;justify-content:space-between}.board-top{font-size:9px;letter-spacing:2px;color:#b8d1bd;margin:0 0 13px}.board-top>span:last-child{font-variant-numeric:tabular-nums;letter-spacing:1.2px}.board-coordinate{display:grid;grid-template-columns:repeat(8,1fr);text-align:center;font-size:8px;color:#8db2a1;margin:0 0 7px}.board{width:100%;aspect-ratio:1;display:grid;grid-template-rows:repeat(8,1fr);border:1px solid #8ebba342;border-radius:5px;overflow:hidden;background:#0e3e34}.board-row{display:grid;grid-template-columns:repeat(8,1fr);min-height:0}.cell{position:relative;display:flex;align-items:center;justify-content:center;border:0;border-right:1px solid #8ebba32b;border-bottom:1px solid #8ebba32b;background:#ffffff03;min-width:0;min-height:0;padding:0;touch-action:manipulation;outline-offset:-4px!important}.board-row:nth-child(odd) .cell:nth-child(even),.board-row:nth-child(even) .cell:nth-child(odd){background:#ffffff06}.cell:nth-child(8){border-right:0}.board-row:last-child .cell{border-bottom:0}.cell.legal{cursor:pointer}.cell.legal:hover{background:#b1d49722}.cell[aria-disabled="true"]{cursor:default}.cell.legal.hint::after{content:'';width:15%;height:15%;background:#bbd79a75;border-radius:50%;transition:transform .2s}.cell.legal:hover::after{transform:scale(1.4);background:#d5e6a6}.disc{position:absolute;width:76%;height:76%;border-radius:50%;pointer-events:none;box-shadow:1px 4px 5px #001b2480;will-change:transform}.disc.black{background:radial-gradient(circle at 33% 24%,#46554b 0%,#22302b 38%,#101d19 78%,#101b18);border:1px solid #111f1b}.disc.white{background:radial-gradient(circle at 35% 25%,#fffef7 0%,#f6f5e9 45%,#d8dcca 90%);border:1px solid #dce4d2}.disc.last::after{content:'';position:absolute;inset:41%;border-radius:50%;background:#a6bd8c}.disc.black.last::after{background:#bfd897}.disc.white.last::after{background:#5d8061}.disc.new{animation:place .24s ease-out}.disc.flipped{animation:flip .42s ease-in-out}.board-bottom{font-size:9px;color:#a0bca8;margin-top:15px;gap:8px}.board-bottom>span:first-child{display:flex;align-items:center;gap:6px}.board-bottom i{display:inline-block;width:4px;height:4px;background:#bed69f;border-radius:50%;flex-shrink:0}.board-bottom>span:last-child{white-space:nowrap;letter-spacing:1px}.turn-bar{display:flex;align-items:center;gap:12px;padding:21px 2px 17px;min-height:80px}.turn-indicator{width:8px;height:8px;border-radius:50%;background:#73995c;box-shadow:0 0 0 5px #e6ecd9;flex-shrink:0;margin-left:5px}.turn-indicator.waiting{background:#bc9c5e;box-shadow:0 0 0 5px #eee8d9}.turn-bar>div{flex:1;min-width:0}.turn-bar strong{display:block;font-size:14px;font-weight:600}.turn-bar>div>span{display:block;font-size:11px;color:var(--muted);margin-top:5px;line-height:1.5}.turn-tag{font-size:8px;font-weight:650;letter-spacing:1px;color:#6d8561;background:#e8eddb;border-radius:5px;padding:7px 9px;white-space:nowrap}.board-actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px;border-top:1px solid var(--line);padding:17px 1px}.text-button{font-size:11px;border:0;background:none;padding:5px 0;color:#788578}.text-button:hover{color:var(--green)}.hint-toggle{margin-left:auto;font-size:10px;color:#798575;display:flex;align-items:center;gap:5px;cursor:pointer}.hint-toggle input{accent-color:var(--green);width:12px;height:12px}.sidebar{display:flex;flex-direction:column;gap:18px}.control-card{border:1px solid var(--line);background:var(--white);border-radius:15px;padding:9px 24px 17px}.mode-tabs{display:flex;border-bottom:1px solid var(--line);margin-bottom:25px}.mode-tabs button{flex:1;background:none;border:0;border-bottom:2px solid transparent;padding:17px 0 16px;font-size:12px;font-weight:600;color:#9aA291;margin-bottom:-1px}.mode-tabs button[aria-selected="true"]{color:var(--green);border-bottom-color:var(--green)}.card-eyebrow{font-size:8px;letter-spacing:1.8px;margin-bottom:9px}.card-copy{font-size:11px;line-height:1.9;color:var(--muted);margin:0 0 23px}fieldset{border:0;padding:0;margin:0 0 21px;min-width:0}legend,.field-label{display:block;font-size:11px;font-weight:600;margin-bottom:10px}.choice-row{display:flex;gap:7px}.choice-row button{border:1px solid #e1e4d9;background:#fffefa;flex:1;border-radius:8px;font-size:11px;min-height:57px;padding:10px 6px}.choice-row button[aria-pressed="true"]{border-color:#76966c;background:#f0f3e5;color:var(--green)}.choice-row button small{display:block;font-size:8px;color:#8c9882;margin-top:5px}.color-choice button{min-height:47px;display:flex;align-items:center;justify-content:center;gap:7px}.color-choice button small{font-size:8px;margin:0}.color-choice .mini-disc{width:17px;height:17px}.button{min-height:45px;padding:12px 17px;border-radius:8px;border:1px solid transparent;font-size:12px;font-weight:550;display:flex;justify-content:space-between;align-items:center;gap:12px}.primary{color:#f5f6e9;background:var(--green)}.primary:hover:not(:disabled){background:#226452}.secondary{border-color:#dce3d3;background:#eef2e5;color:var(--green)}.secondary:hover:not(:disabled){background:#e0e8d5}.full{width:100%}.quiet-note{text-align:center;font-size:9px;color:#9aa18f;margin:12px 0 0;line-height:1.7}.text-input{width:100%;min-width:0;background:#fafbf5;border:1px solid #dfe4d6;border-radius:8px;padding:11px 12px;font-size:12px;color:var(--ink);min-height:44px}.text-input::placeholder{color:#a3ad9a}#nickname{margin-bottom:12px}.divider{display:flex;align-items:center;gap:10px;margin:24px 0 16px;font-size:9px;color:#98a18f}.divider::before,.divider::after{content:'';height:1px;background:var(--line);flex:1}.join-row{display:flex;gap:8px}.code-input{text-transform:uppercase;letter-spacing:3px}.join-row button{white-space:nowrap}.room-ticket{padding:19px 10px;background:#f0f3e7;border:1px dashed #b6c6a5;border-radius:10px;text-align:center;margin-bottom:14px}.room-ticket>span{display:block;font-size:10px;color:#7c8d71}.room-ticket strong{display:block;font-size:32px;letter-spacing:6px;font-weight:550;margin:10px 0}.room-ticket small{font-size:10px;color:#809374}.participants{margin:16px 0 6px;display:flex;flex-direction:column;gap:10px}.participant{display:flex;align-items:center;gap:9px;font-size:11px}.participant .mini-disc{width:17px;height:17px}.participant>span:nth-child(2){overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.participant small{margin-left:auto;font-size:9px;color:#7c9470}.participant.offline small{color:#b59259}.panel-message{border-radius:8px;background:#f7ecdc;padding:12px;font-size:11px;line-height:1.6;color:#8c6132;margin:14px 0 0}.tip-card{display:flex;gap:12px;padding:19px;background:#eaf0de;border-radius:12px}.tip-icon{color:#758759;font-size:22px}.tip-card h3{font-size:11px;margin:1px 0 7px}.tip-card p{font-size:11px;color:#7a876e;line-height:1.8;margin:0}.history-card{padding:5px 3px}.section-title{display:flex;align-items:center;justify-content:space-between;margin:0 0 13px}.section-title h3{font-size:11px;font-weight:550}.section-title>span{font-size:10px;color:#9ba38f}.move-history{display:flex;flex-wrap:wrap;gap:7px;max-height:118px;overflow:auto;scrollbar-width:thin;align-content:flex-start}.move-chip{display:flex;gap:6px;align-items:center;padding:7px 9px;background:#eeeee5;border-radius:5px;font-size:10px;color:#6f806c}.move-chip .mini-disc{width:10px;height:10px}.move-chip>small{font-size:8px;color:#9ba38f}.empty-history{font-size:10px;color:#a4ab99;margin:2px 0 15px}.result-card{background:#e8edd9;border:1px solid #cad7b3;padding:23px;border-radius:13px}.result-card h2{font-size:22px}.result-card>p:not(.eyebrow){font-size:12px;line-height:1.7;color:#788568;margin-bottom:18px}.result-card .eyebrow{font-size:9px}footer{display:flex;align-items:center;justify-content:space-between;padding:28px 0;margin-top:39px;border-top:1px solid var(--line);color:#a0a990;gap:12px}footer>span{font-size:8px;letter-spacing:1.5px}footer p{font-size:10px;margin:0}dialog{border:1px solid var(--line);border-radius:18px;background:var(--white);color:var(--ink);padding:30px;max-width:440px;width:calc(100% - 36px);box-shadow:0 20px 80px #123e3525}dialog::backdrop{background:#122b2570;backdrop-filter:blur(3px)}.dialog-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.dialog-header .eyebrow{margin:0}dialog h2{font-size:22px;line-height:1.5}dialog ol{padding-left:21px;margin:22px 0}dialog li{font-size:12px;line-height:1.8;padding-left:3px;margin-bottom:10px}.dialog-note,#confirm-copy{font-size:11px;line-height:1.9;color:var(--muted);margin-bottom:22px}.dialog-buttons{display:flex;justify-content:flex-end;gap:9px}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#233e36;color:#f9f7e9;border-radius:9px;padding:13px 20px;font-size:12px;box-shadow:0 5px 25px #123e3530;max-width:90vw;z-index:5;text-align:center}
.mobile-modes{display:none}.privacy-note{font-size:11px;line-height:1.8;color:#78856c;background:#f0f3e7;border-radius:8px;padding:12px;margin:0 0 16px}footer>a{font-size:10px;color:#708166;text-underline-offset:3px}
.policy-page{max-width:920px;padding-top:42px;padding-bottom:55px;font-size:14px;line-height:1.9;overflow-wrap:anywhere}.policy-page h1{line-height:1.5}.policy-page h2{font-size:20px;margin-top:32px}.policy-page table{width:100%;border-collapse:collapse;font-size:12px}.policy-page th,.policy-page td{text-align:left;vertical-align:top;padding:12px;border:1px solid var(--line)}.policy-page th{background:#eaf0de}.policy-page a{color:var(--green)}
@keyframes place{from{transform:scale(.5);opacity:.3}to{transform:scale(1);opacity:1}}@keyframes flip{0%{transform:scaleX(1)}45%{transform:scaleX(.08)}100%{transform:scaleX(1)}}
@media(min-width:1400px){.game-layout{gap:64px;grid-template-columns:minmax(0,1fr) 340px}.board-shell{padding:21px 27px 19px}.intro{padding-top:48px}}
@media(max-width:940px){.site-header{height:90px;padding:0 24px}main{padding:0 24px}.game-layout{gap:26px;grid-template-columns:minmax(0,1fr) 290px}.control-card{padding-left:18px;padding-right:18px}.player{padding:12px 10px;gap:8px}.scoreboard{gap:8px}.player>div>span{max-width:90px;font-size:11px}.player strong{font-size:25px}.board-shell{padding:15px}.board-actions{gap:12px}.hint-toggle{margin-left:0}.color-choice button{gap:4px}.color-choice button small{display:none}.intro{padding:32px 0}.intro-decoration{font-size:42px}.board-bottom{font-size:8px}.turn-tag{font-size:7px;padding:6px}.turn-bar strong{font-size:12px}}
@media(max-width:700px){.site-header{height:78px;padding:0 20px}.brand{font-size:24px;gap:11px}.brand small{font-size:8px;letter-spacing:2.6px}.network{display:none}.header-actions{gap:0}main{padding:0 18px}.intro{padding:26px 0 24px}.intro .eyebrow{font-size:8px;letter-spacing:1.7px}h1{font-size:24px;letter-spacing:-1.2px}.intro-copy{font-size:11px}.intro-decoration{font-size:35px;padding-right:4px}.game-layout{display:flex;flex-direction:column;gap:24px}.play-area,.sidebar{width:100%;max-width:540px;margin:0 auto}.scoreboard{margin-bottom:14px;gap:10px}.player{padding:12px 14px}.player>div>span{max-width:130px;font-size:12px}.player strong{font-size:29px}.player small{font-size:8px}.board-shell{border-radius:12px;padding:16px}.board-top{font-size:8px}.board-bottom{font-size:8px}.turn-bar{padding:19px 2px 15px}.turn-bar strong{font-size:13px}.turn-tag{font-size:7px}.board-actions{gap:15px;padding:13px 0}.hint-toggle{margin-left:auto;font-size:9px}.text-button{font-size:10px}.control-card{padding:6px 23px 18px}.mode-tabs{margin-bottom:23px}.mode-tabs button{font-size:13px}.color-choice button small{display:block}.choice-row button{font-size:12px}.card-copy{font-size:12px}.sidebar{gap:16px}.history-card{padding:8px 2px}footer{margin-top:25px;padding:24px 0}footer>span:last-child{display:none}footer p{font-size:9px}}
@media(max-width:700px){.mobile-modes{display:flex;gap:8px;margin:0 0 19px}.mobile-modes button{flex:1;display:flex;justify-content:space-between;border:1px solid var(--line);border-radius:7px;padding:11px 13px;background:var(--white);font-size:11px;color:var(--green)}.mobile-modes button[aria-pressed="true"]{background:#e9efdc;border-color:#c2d0af}.control-card,.play-area{scroll-margin-top:18px}}
@media(max-width:370px){main{padding:0 12px}.site-header{padding:0 15px}h1{font-size:21px}.intro-decoration{display:none}.board-shell{padding:12px}.board-bottom{font-size:7px}.player{padding:11px 9px}.player>div>span{max-width:90px}.player .mini-disc{width:20px;height:20px}.turn-tag{display:none}.hint-toggle{margin-left:0}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}