:root{--ink:#17212a;--paper:#f6f4ec;--green:#d8f16b;--muted:#65716d}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,'Hiragino Kaku Gothic ProN','Noto Sans JP',sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit}button:focus-visible,a:focus-visible{outline:3px solid #5976e6;outline-offset:5px}button:disabled{cursor:default}header{max-width:1280px;margin:auto;padding:28px 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #d8dbd1}a{color:inherit;text-decoration:none}#brand{display:flex;align-items:center;font-size:20px;font-weight:800;letter-spacing:-1px}.logo{background:var(--ink);color:var(--green);font-size:30px;border-radius:12px;padding:0 8px;margin-right:10px}.thin{font-weight:500}.lab,.eyebrow,.section-top>span,.genre,.edition,.machine-label{font-family:monospace;letter-spacing:1.5px;font-size:11px}.lab{color:var(--muted)}main,footer{max-width:1200px;margin:auto}.hero{position:relative;min-height:420px;padding:60px 0 45px;overflow:hidden}.eyebrow{display:flex;align-items:center;gap:8px;font-weight:700}.dot{width:7px;height:7px;background:#7a9740;border-radius:50%}h1{font-size:68px;line-height:1.2;letter-spacing:-3px;margin:22px 0}p{line-height:1.9;color:var(--muted);font-size:14px}.tags{display:flex;gap:8px;margin-top:24px;flex-wrap:wrap}.tags span{font-size:11px;border:1px solid #ced2c6;border-radius:20px;padding:7px 10px}.hero-art{position:absolute;right:45px;top:60px;width:380px;height:310px}.orbit{position:absolute;width:285px;height:285px;border:1px solid #cbd0c0;border-radius:50%;left:35px;top:8px}.orbit:after{content:'';position:absolute;width:340px;height:170px;border:1px solid #cbd0c0;transform:rotate(-30deg);border-radius:50%;left:-28px;top:58px}.cube{position:absolute;width:130px;height:73px;border:2px solid var(--ink);border-radius:15px;box-shadow:9px 9px 0 var(--ink);transform:rotate(-12deg)}.c1{background:#bdc8fb;top:200px;left:75px}.c2{background:var(--green);top:125px;left:98px}.c3{background:#f8a986;top:48px;left:125px}.spark{position:absolute;right:6px;top:100px;font-size:68px}.mini{position:absolute;bottom:8px;right:6px;font:700 11px/1.4 monospace;transform:rotate(9deg)}.section-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.section-top h2{font-size:20px;margin:0}.section-top>span{color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{padding:0;text-align:left;background:transparent;border:1px solid #c9cec4;border-radius:18px;overflow:hidden;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-5px);box-shadow:0 12px 24px #17212a12}.card-art{height:210px;position:relative;display:grid;place-items:center;overflow:hidden;background:#e0ecc2}.dodge .card-art{background:#cbd3f3}.memory .card-art{background:#f4d0b8}.number{position:absolute;left:17px;top:16px;font:12px monospace;border:1px solid #17212a66;border-radius:50%;padding:6px}.stack-art{display:flex;flex-direction:column-reverse;align-items:center;gap:6px;transform:rotate(-9deg)}.stack-art i{display:block;background:var(--ink);width:125px;height:26px;border-radius:5px}.stack-art i:nth-child(2){width:112px;margin-left:10px;background:#809a4f}.stack-art i:nth-child(3){width:102px;margin-left:18px;background:#a2bd63}.stack-art i:nth-child(4){width:95px;margin-left:55px;background:#d7f074;border:2px solid var(--ink)}.road{height:290px;width:195px;transform:rotate(20deg);border-left:1px solid #8998ca;border-right:1px solid #8998ca;display:flex;gap:62px;position:relative}.road i{border-left:1px dashed #8998ca;height:100%}.road span{position:absolute;font-size:62px;bottom:55px;left:73px;color:#263657;text-shadow:5px 4px #f6f4ec}.road:after,.road:before{content:'';position:absolute;height:60px;width:34px;background:#8799d6;border-radius:8px;top:65px;left:16px}.road:after{left:145px;top:20px}.memory-art{display:grid;grid-template-columns:repeat(2,62px);gap:9px;transform:rotate(-10deg)}.memory-art i{height:62px;border-radius:10px;border:2px solid #b97450;display:grid;place-items:center;font:30px Arial;background:#f9e9da;color:#924d2d}.memory-art i:nth-child(2),.memory-art i:nth-child(3){background:#dd9570;color:#f4c9a5}.card-content{padding:22px}.genre{color:var(--muted);font-size:10px;letter-spacing:1px}h3{font-size:21px;margin:12px 0 5px}h3 span{float:right;font-weight:400}.card-content p{font-size:12px;margin:0}.card-foot{border-top:1px solid #d6d9cf;margin-top:22px;padding-top:17px;display:flex;justify-content:space-between;align-items:center;font-size:11px}.card-foot b{font-size:15px;margin:0 3px}.card-foot strong{font-size:12px}.note{display:flex;align-items:center;gap:24px;border-top:1px solid #d8dbd1;margin-top:50px;padding:35px 0}.note>span:first-child{font-size:45px}.note h2{font-size:16px;margin:0}.note p{font-size:12px;margin:8px 0 0}.edition{margin-left:auto;line-height:1.5;color:var(--muted)}footer{border-top:1px solid #d8dbd1;padding:25px 0 30px;display:flex;justify-content:space-between;gap:15px;font-size:10px;color:var(--muted)}[hidden]{display:none!important}.play-top{display:flex;justify-content:space-between;align-items:center;padding:26px 0}.quiet{border:1px solid #c7cec1;border-radius:9px;background:transparent;padding:11px 16px;font-size:12px}.game-layout{display:grid;grid-template-columns:1fr 460px;gap:70px;max-width:980px;margin:0 auto 45px;align-items:center}.game-info h1{font-size:42px;letter-spacing:-1px}.game-info p{max-width:350px}.stats{display:flex;gap:45px;margin:28px 0;font-size:11px;color:var(--muted)}.stats strong{display:block;font:38px monospace;color:var(--ink);margin-top:9px}.hint{font-size:12px!important}.machine{background:var(--ink);padding:15px;border-radius:24px;box-shadow:0 14px 0 #d9ddcf}.screen{position:relative;border-radius:13px;overflow:hidden;background:#202e3b;aspect-ratio:420/460}canvas{width:100%;height:100%;display:block;touch-action:manipulation}#overlay{position:absolute;inset:0;background:#17212ae8;display:flex;flex-direction:column;justify-content:center;align-items:center;color:var(--paper);text-align:center;padding:24px}#overlay-kicker{font:11px monospace;color:var(--green);letter-spacing:3px}#overlay h2{font-size:30px;margin:15px 0 5px}#overlay p{color:#bdc6c9;font-size:12px;white-space:pre-line}.primary{background:var(--green);border:0;border-radius:11px;padding:15px 35px;font-weight:bold;margin-top:15px}.machine-label{display:flex;justify-content:space-between;color:#a9b6bc;font-size:8px;letter-spacing:1px;padding:15px 3px 0}#action-row{display:flex;gap:10px;margin-top:12px}.control{border:0;border-radius:9px;background:#3b4a55;color:white;min-height:48px;flex:1;touch-action:manipulation;font-weight:700}.control:active{background:#6e8050}#memory-grid{padding:35px 20px;height:100%;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(4,1fr);gap:10px}.tile{border:1px solid #536370;border-radius:10px;background:#354654;color:#c3cdd0;font-size:30px}.tile.open{background:#f0c4a7;color:#432d2d}.tile.matched{background:#cbe984;color:#243b30}.tile:disabled{opacity:1}#game-type{font-size:11px;color:var(--muted)}@media(max-width:1279px){main,footer{margin-left:40px;margin-right:40px}}@media(max-width:800px){.hero-art{right:-80px;opacity:.65;transform:scale(.8);transform-origin:right bottom}.hero h1{font-size:57px}.hero p,.tags{position:relative;z-index:1}.cards{gap:14px}.card-content{padding:15px}h3{font-size:17px}.card-foot{flex-wrap:wrap;gap:12px}.card-art{height:180px}.game-layout{gap:25px;grid-template-columns:1fr 55%}.game-info h1{font-size:29px}footer{flex-wrap:wrap}.section-top>span{font-size:9px}}@media(max-width:600px){header{padding:19px 20px}#brand{font-size:16px}.logo{font-size:25px}.lab{font-size:8px;letter-spacing:.5px}main,footer{margin-left:20px;margin-right:20px}.hero{padding:37px 0 32px;min-height:400px}.hero h1{font-size:49px;letter-spacing:-2px;margin-top:24px}.hero-art{top:64px;right:-87px;transform:scale(.55);opacity:.8}.hero p{font-size:12px;max-width:220px}.eyebrow{font-size:9px;letter-spacing:1px}.tags{gap:5px;max-width:300px;margin-top:25px}.tags span{font-size:9px;padding:6px 8px}.cards{grid-template-columns:1fr;gap:20px}.card-art{height:190px}.card-content{padding:20px}h3{font-size:22px}.card-foot{flex-wrap:nowrap}.section-top h2{font-size:18px}.section-top>span{font-size:8px;letter-spacing:.4px}.note{gap:15px;margin-top:32px;padding:25px 0}.note h2{font-size:14px}.note p{font-size:10px}.edition{display:none}footer{font-size:9px;padding-top:20px}footer span:last-child{width:100%}.game-layout{display:flex;flex-direction:column;gap:20px;margin-bottom:35px}.game-info{width:100%}.game-info h1{font-size:28px;margin:12px 0 8px}.game-info p{font-size:12px;margin:0}.stats{margin:15px 0;gap:35px}.stats strong{font-size:28px;margin-top:4px}.game-info .hint{margin:10px 0}.game-info #restart{float:right;margin-top:-44px}.machine{width:100%;max-width:430px;padding:12px;border-radius:20px}.play-top{padding:20px 0}.game-info .eyebrow{display:none}.screen{max-height:460px}.machine-label{font-size:7px}.tile{font-size:25px}#memory-grid{padding:22px 16px;gap:8px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.game-tools{display:flex;gap:9px;flex-wrap:wrap}.game-info #restart{float:none;margin-top:0}.control{min-height:54px}.game-tools button{min-height:44px}#pause{background:#e8eddf}#memory-grid .tile:focus-visible{outline:3px solid #d8f16b;outline-offset:1px}@media(max-width:600px){.game-tools{margin-top:12px}.game-info .hint{margin-bottom:8px}}

.primary{color:var(--ink)}.privacy{border-top:1px solid #d8dbd1;padding:20px 0 28px}.privacy summary{cursor:pointer;font-size:13px;min-height:44px;display:list-item;align-content:center}.privacy p{max-width:780px;font-size:12px}.privacy summary:focus-visible{outline:3px solid #5976e6;outline-offset:4px}

/* モバイル: 盤面と操作ボタンを1画面に収める(375x667 / 320x568 で確認) */
#brand{min-height:44px}
@media(max-width:600px){
body:has(#play:not([hidden])) header{display:none}
.play-top{padding:10px 0}
.game-layout{gap:12px;margin-bottom:24px}
.game-info{display:contents}
.game-info h1{order:0;font-size:20px;margin:0}
.game-info .stats{order:1;margin:0;gap:28px;align-items:baseline}
.game-info .stats strong{display:inline;font-size:22px;margin:0 0 0 8px}
.machine{order:2;margin:0 auto}
.game-info .game-tools{order:3;margin:14px 0 0;justify-content:center}
.game-info #instructions{order:4;max-width:none}
.game-info .hint{order:5;margin:0}
.screen{width:min(100%,calc((100dvh - 300px)*420/460));min-width:200px;margin:0 auto}
}