@charset "UTF-8";
:root{color-scheme:light;--ink:#163f46;--red:#e94b32;--yellow:#fce399;--paper:#fffcf5;--line:#d4ddd7;font-family:"Hiragino Maru Gothic ProN","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--ink);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:#eef3ee}button{font:inherit;-webkit-tap-highlight-color:transparent}button:not(:disabled){cursor:pointer}button:focus-visible{outline:3px solid #147b9b;outline-offset:5px}button:disabled{cursor:not-allowed}button[hidden],div[hidden]{display:none!important}.game-shell{width:min(1040px,calc(100% - 64px));margin:auto}.masthead{display:flex;align-items:center;justify-content:space-between;height:76px;border-bottom:1px solid #cddbd2}.wordmark{font-size:14px;font-weight:800;letter-spacing:.13em;display:flex;align-items:center;gap:9px}.wordmark>span{font-size:26px;line-height:1;transform:rotate(-18deg)}.sound-toggle{display:flex;gap:9px;align-items:center;border:1px solid #b7c8bf;background:transparent;border-radius:99px;padding:8px 14px;font-weight:700;font-size:12px;color:var(--ink)}#sound-icon{font-size:19px;line-height:1}.sound-toggle:hover{background:#e0e9e0}.title-row{display:flex;align-items:center;justify-content:space-between;padding:28px 5px 25px}.eyebrow{font-size:13px;font-weight:700;letter-spacing:.18em;margin:0 0 7px}h1{margin:0;font-size:clamp(32px,4.4vw,49px);font-weight:900;letter-spacing:-.055em;line-height:1.25;color:var(--red)}h1 span{color:var(--ink)}h1 i{display:inline-block;font-style:normal;transform:rotate(10deg);margin-left:3px}.goal{font-size:13px;line-height:1.7;margin:0 7px 0 10px;text-align:center;border-left:1px solid #bbcfc4;padding-left:22px}.goal strong{font-size:21px;letter-spacing:.06em}.game-board{border:2px solid var(--ink);border-radius:24px;overflow:hidden;background:var(--paper);box-shadow:0 7px 0 #d4e0d6}.stage{position:relative;isolation:isolate;aspect-ratio:2.55;background:#e1bc7c;overflow:hidden;border-bottom:2px solid var(--ink)}.beach{position:absolute;width:100%;height:100%;object-fit:fill;inset:0;user-select:none;pointer-events:none}.round-badge{position:absolute;z-index:3;left:24px;top:22px;display:flex;align-items:center;gap:8px;border-radius:99px;padding:9px 14px;background:var(--paper);font-size:13px;font-weight:800;box-shadow:0 2px 0 #163f4620}.round-dot{width:6px;height:6px;background:var(--red);border-radius:50%}.speech{position:absolute;z-index:4;left:50%;top:10%;transform:translateX(-50%) rotate(-2deg);white-space:nowrap;border:2px solid var(--ink);border-radius:19px;background:#fffdf7;padding:12px 23px;font-size:clamp(14px,1.7vw,19px);font-weight:800;box-shadow:3px 4px 0 #163f4614}.speech::after{content:"";position:absolute;bottom:-8px;left:calc(50% - 7px);height:13px;width:13px;background:#fffdf7;border-bottom:2px solid var(--ink);border-right:2px solid var(--ink);transform:rotate(45deg)}.crab-wrap{position:absolute;left:31%;bottom:11%;width:38%;height:65%;transform-origin:50% 90%;z-index:2;animation:idle 3.5s ease-in-out infinite;pointer-events:none}.crab{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 8px 3px #75572915)}.opponent-tag{position:absolute;left:50%;bottom:6%;transform:translateX(-50%);display:flex;gap:8px;align-items:center;z-index:4;font-size:14px}.opponent-tag span{background:var(--ink);border-radius:4px;padding:2px 7px;color:white;font-size:12px}.opponent-tag strong{font-size:16px;letter-spacing:.08em}.stone{position:absolute;left:74%;top:54%;width:12%;height:14%;min-width:42px;min-height:40px;z-index:1;border:0;background:transparent;border-radius:45%;transition:background .15s}.stone:hover{background:#ffffff16}.stone:focus-visible{outline:3px dashed var(--ink);outline-offset:3px}.stone:disabled{cursor:default}.play-area{padding:23px 28px 28px;min-height:236px;position:relative}.status-line{display:flex;align-items:center;justify-content:center;gap:17px;min-height:29px;text-align:center;margin-bottom:20px}.status-line h2{font-size:20px;margin:0;line-height:1.55;font-weight:800}.status-line p{font-size:13px;margin:0;line-height:1.7;color:#607471}.hands{display:flex;justify-content:center;gap:16px;max-width:625px;margin:auto}.hand{position:relative;display:grid;grid-template-columns:auto auto;grid-template-rows:1fr auto;column-gap:12px;align-items:center;justify-content:center;flex:1;min-width:0;padding:16px 15px 14px;min-height:116px;border:2px solid var(--ink);border-bottom-width:5px;border-radius:16px;background:#fff;color:var(--ink);transition:transform .15s,box-shadow .15s,background .15s}.hand-icon{grid-row:1/3;font-size:43px;line-height:1.3;filter:saturate(.85)}.hand-name{font-size:20px;line-height:1.4;letter-spacing:.05em;font-weight:900;text-align:left}.hand-note{font-size:12px;line-height:1.5;text-align:left;color:#6a7c75}.hand:not(:disabled):hover{transform:translateY(-4px);background:#fff2cd;box-shadow:0 4px 0 #163f461a}.hand:not(:disabled):active{transform:translateY(2px);box-shadow:none;border-bottom-width:2px}.hand.unavailable{background:#e8ebe6;border-color:#c4cec5;border-bottom-width:3px;color:#96a39a}.unavailable .hand-icon{filter:grayscale(1);opacity:.4}.unavailable .hand-note{color:#88968d}.hand.busy{opacity:.55}.hand.selected{background:#ffe5a0;border-color:var(--red)}.reveal{position:absolute;z-index:5;bottom:16%;left:19%;display:flex;align-items:center;flex-direction:column;background:#fffdf9;border:2px solid var(--ink);border-radius:18px;padding:9px 15px;box-shadow:3px 4px 0 #163f4620;transform:rotate(-7deg);animation:pop .3s ease-out}.reveal>span:first-child{font-size:38px}.reveal>span:last-child{font-size:12px;font-weight:800}.thinking .crab-wrap{animation:janken .38s ease-in-out infinite}.won .crab-wrap{animation:surprise .55s ease-in-out both}.won .speech{color:var(--red)}.won .status-line h2{font-size:28px;color:var(--red)}.win-actions{text-align:center}.win-actions p{font-size:15px;line-height:1.7;margin:0 0 16px}.restart{background:var(--ink);color:#fffdf7;border:2px solid var(--ink);border-bottom:5px solid #08282d;padding:12px 28px;border-radius:12px;font-weight:800;font-size:16px}.restart span{font-size:22px;margin-left:20px}.restart:hover{background:#25616b}.restart:active{transform:translateY(2px)}.burst{position:absolute;inset:0;z-index:6;pointer-events:none;overflow:hidden}.confetti{position:absolute;left:50%;top:48%;width:9px;height:15px;border-radius:2px;animation:confetti 1.6s ease-out forwards;background:var(--c);transform:rotate(var(--r))}footer{display:flex;justify-content:space-between;align-items:center;padding:24px 6px 26px;color:#6a7b72;font-size:12px;letter-spacing:.07em}.footer-mark{font-size:24px;color:#8b9e90;display:flex;align-items:center;gap:10px}.footer-mark>span{font-size:12px}@keyframes idle{0%,100%{transform:rotate(-2deg) translateY(0)}50%{transform:rotate(2deg) translateY(-5px)}}@keyframes janken{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-18px) rotate(4deg)}}@keyframes pop{from{opacity:0;scale:.3}to{opacity:1;scale:1}}@keyframes surprise{0%,100%{transform:rotate(0)}20%{transform:translateY(-18px) rotate(-9deg)}55%{transform:translateY(-3px) rotate(8deg)}}@keyframes confetti{0%{opacity:1;translate:0 0;rotate:0deg}100%{opacity:0;translate:var(--x) var(--y);rotate:var(--r)}}
@media(min-width:1500px){.game-shell{width:1100px}.stage{aspect-ratio:2.5}.title-row{padding-top:36px;padding-bottom:30px}.play-area{padding-top:28px;padding-bottom:32px}}
@media(max-width:650px){.game-shell{width:calc(100% - 28px)}.masthead{height:60px}.wordmark{font-size:12px;letter-spacing:.07em}.wordmark>span{font-size:24px}.sound-toggle{font-size:12px;padding:7px 11px}.title-row{padding:24px 2px 20px}.eyebrow{font-size:12px;letter-spacing:.1em}h1{font-size:clamp(28px,7.1vw,44px)}.goal{font-size:11px;padding-left:12px;margin-right:0}.goal strong{font-size:17px}.game-board{border-radius:20px}.stage{aspect-ratio:1.35}.round-badge{left:13px;top:13px;padding:6px 10px;font-size:12px}.speech{top:24%;padding:10px 17px;font-size:16px;max-width:90%}.crab-wrap{left:23%;width:54%;height:49%;bottom:11%}.opponent-tag{bottom:6%;gap:6px}.opponent-tag strong{font-size:14px}.opponent-tag span{font-size:11px}.stone{left:74%;top:54%;width:12%;height:14%}.play-area{padding:19px 13px 22px;min-height:247px}.status-line{display:block;margin-bottom:17px}.status-line h2{font-size:19px}.status-line p{font-size:12px;margin-top:4px;min-height:20px}.hands{gap:9px}.hand{display:flex;flex-direction:column;gap:2px;padding:10px 3px;min-height:121px;border-radius:12px}.hand-icon{font-size:35px;line-height:1.3}.hand-name{font-size:17px}.hand-note{font-size:11px}.reveal{bottom:21%;left:7%;padding:7px 10px;border-radius:13px}.reveal>span:first-child{font-size:30px}.reveal>span:last-child{font-size:11px}.won .status-line h2{font-size:26px}footer{font-size:11px;padding:22px 1px}.footer-mark{font-size:20px;gap:4px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Simple silhouettes keep the scene quiet and the small discovery subtle. */
body{background:#f5f6f2}
.game-board{box-shadow:0 5px 0 #dce3db}
.stage{background:#f1eddf}
.speech{box-shadow:none;border-width:1.5px;border-radius:14px;transform:translateX(-50%)}
.crab{filter:none}
.crab-wrap{bottom:7%;height:80%}
.stone{left:calc(68% - 22px);top:calc(61% - 22px);width:44px;height:44px;min-width:44px;min-height:44px;display:grid;place-items:center;padding:0;border-radius:50%}
.stone img{display:block;width:25px;height:25px;object-fit:contain;pointer-events:none}
.stone:hover{background:transparent}
.stone.picked img{visibility:hidden}
.round-badge{box-shadow:none;background:#fffcf599}
.hand-icon{filter:grayscale(1) brightness(0);opacity:.78}
.unavailable .hand-icon{filter:grayscale(1) brightness(0);opacity:.18}
.hand-note{display:none}.unavailable .hand-note{display:block}
.hand-name{grid-row:1/3}
.unavailable .hand-name{grid-row:auto}
.footer-mark{opacity:.65}
@media(max-width:650px){.stone{left:calc(73% - 22px);top:calc(66% - 22px)}.stone img{width:20px;height:20px}.hand{justify-content:center}.hand-name{grid-row:auto}}
@media(max-width:650px){.crab-wrap{bottom:8%;height:65%}}
.wordmark>span{filter:grayscale(1) brightness(0);opacity:.75}
@media(max-width:650px){.goal{display:none}h1{white-space:nowrap;font-size:clamp(26px,7.1vw,44px)}.speech{top:10%}.title-row{padding-top:21px;padding-bottom:21px}}
.sand{opacity:.8}
.stone img{opacity:.55;filter:sepia(.65);mix-blend-mode:multiply}
.hand.unavailable:not(:disabled):hover{background:#e2e7df;border-color:#aebbb0;box-shadow:0 4px 0 #163f4610}
.angry .speech{color:var(--red);border-color:var(--red)}
.angry .crab-wrap{animation:anger .13s linear 5}
.attacking .crab-wrap{animation:attack .65s cubic-bezier(.5,0,.9,.7) both;z-index:7}
.slash{position:absolute;inset:0;pointer-events:none;z-index:8;opacity:0}
.slash::before,.slash::after{content:"";position:absolute;left:-20%;top:45%;width:140%;height:5px;background:#fffdf6;transform:rotate(-24deg);box-shadow:0 0 0 3px #163f46}
.slash::after{top:61%;transform:rotate(26deg)}
.attacking .slash{animation:slash .65s ease-out both}
.gameover .beach{opacity:.35}
.gameover .crab-wrap{opacity:.14;animation:none;transform:scale(1.5)}
.gameover .opponent-tag,.gameover .stone{visibility:hidden}
.gameover-sign{position:absolute;z-index:6;left:0;right:0;top:49%;text-align:center;color:var(--ink);font:900 clamp(28px,5vw,60px)/1.2 system-ui,sans-serif;letter-spacing:.05em}
.gameover .status-line h2{color:var(--red)}
@keyframes anger{0%,100%{transform:rotate(-3deg)}50%{transform:rotate(3deg)}}
@keyframes attack{0%{transform:scale(1) translateY(0)}35%{transform:scale(.88) translateY(6px)}80%,100%{transform:scale(3) translateY(0)}}
@keyframes slash{0%,64%{opacity:0;transform:scale(.5)}65%{opacity:1;transform:scale(1)}100%{opacity:0;transform:scale(1.2)}}
@media(prefers-reduced-motion:reduce){.attacking .crab-wrap{transform:scale(1.1)}.attacking .slash{opacity:1;transform:none}}
@media(min-width:651px) and (max-height:850px){.stage{height:clamp(220px,calc(100svh - 470px),380px);aspect-ratio:auto}.title-row{padding:20px 5px 18px}.masthead{height:66px}.play-area{min-height:216px;padding:18px 28px 23px}}