@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;800;900&display=swap');
:root{--paper:#f5f3e9;--ink:#262b27;--muted:#85877c;--line:#deded0;--orange:#ff713e;--lime:#d6f88d;--blue:#446beb;--skin:#ff713e}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Noto Sans JP',system-ui,sans-serif;font-size:13px}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible{outline:3px solid var(--blue);outline-offset:4px}.topbar{max-width:1400px;margin:auto;padding:26px 48px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:11px;align-items:center;text-decoration:none;color:var(--ink);font-size:21px;font-weight:900;letter-spacing:-1px}.brand-icon{font-size:40px;line-height:43px;background:var(--orange);border:2px solid var(--ink);border-radius:12px;display:block;width:44px;text-align:center;transform:rotate(-8deg)}.brand-sub{display:block;font-size:8px;letter-spacing:2.2px;margin-top:2px}.header-actions{display:flex;gap:10px;align-items:center}.autosave{font-size:11px;margin-right:14px;color:#72776a}.autosave i{display:inline-block;width:6px;height:6px;background:#74945b;border-radius:50%;margin-right:5px}.icon-button{height:38px;min-width:38px;background:transparent;border:1px solid var(--line);border-radius:50%;font-weight:700;font-size:17px;display:flex;align-items:center;justify-content:center;gap:4px}.icon-button span{font-size:8px;padding-right:4px}#sound{border-radius:20px;padding:0 10px}.layout{max-width:1250px;display:grid;grid-template-columns:1fr 440px 260px;gap:42px;margin:40px auto 30px;padding:0 30px}.intro{padding-top:42px}.eyebrow{font-size:9px;letter-spacing:1.8px;font-weight:800}.intro .eyebrow{color:#7a8174}h1{font-size:55px;line-height:1.4;letter-spacing:-3px;margin:19px 0 18px;font-weight:900}h1 span{color:var(--orange)}.intro-copy{line-height:2.2;color:#717667;font-size:12px}.tiny-battery{position:relative;border:2px solid var(--ink);width:113px;height:48px;transform:rotate(-8deg);margin:32px 0 32px 6px;display:flex;gap:4px;padding:6px;border-radius:8px}.tiny-battery:after{content:'';width:6px;height:19px;background:var(--ink);position:absolute;right:-7px;top:12px;border-radius:2px}.tiny-battery span{background:var(--lime);flex:1;border-radius:2px}.tiny-battery span:nth-child(4){background:var(--orange)}.tiny-battery b{position:absolute;right:-31px;top:-20px;font-size:27px;transform:rotate(20deg)}.goal-note{border-top:1px solid var(--line);padding-top:22px}.goal-note>span{font-size:9px;letter-spacing:1px;color:var(--muted)}.goal-note strong{display:block;margin-top:8px;font-size:14px}.goal-note p{font-size:11px;color:#7b8073}.stats{display:flex;justify-content:space-between;margin-top:26px}.stats b{display:block;font-size:23px;font-family:ui-monospace,monospace}.stats span{font-size:9px;color:var(--muted)}.save-note{font-size:9px;color:var(--muted);margin-top:20px}.game{border:2px solid var(--ink);border-radius:24px;background:#fffdf5;padding:24px;box-shadow:5px 6px 0 #e1e2d6}.game-top{display:flex;align-items:center;justify-content:space-between}.game-top .eyebrow{color:#73796b;font-size:8px}h2{font-size:21px;margin:6px 0 0;font-weight:900;letter-spacing:-.5px}.game-top h2{font-family:ui-monospace,monospace}.game-top h2 span{font-size:29px}.game-top h2 small{font-size:12px;color:#9b9e91;margin-left:5px}.small-button{border:1px solid #dcded1;background:transparent;border-radius:9px;padding:9px 11px;font-size:10px;font-weight:700;display:flex;gap:14px;align-items:center;justify-content:space-between}.small-button:hover{background:#efeee3}.stage-meta{display:flex;justify-content:space-between;margin:17px 0 11px;font-size:9px;font-weight:700;color:#777d6f}.stage-meta span:last-child{font-family:ui-monospace,monospace}.arena{height:326px;border:1px solid #dce4cb;border-radius:15px;position:relative;background-color:#edf2e2;background-image:radial-gradient(#cfd8bd .8px,transparent .8px);background-size:14px 14px;overflow:hidden}.arena-top{position:absolute;top:14px;left:14px;right:14px;display:flex;align-items:center;justify-content:space-between;z-index:2}.mode{border:1px solid #b9c5aa;font-size:8px;font-weight:800;padding:4px 7px;border-radius:4px;letter-spacing:1px;background:#edf2e2}.target{font-size:9px;color:#647357;font-weight:700}.device-wrap{position:absolute;left:50%;top:53px;transform:translateX(-50%);width:146px}.device{width:146px;height:215px;border:3px solid var(--ink);border-radius:21px;background:#faf8ed;padding:10px;box-shadow:5px 5px 0 #252b2720;position:relative;transition:transform .12s}.speaker{width:33px;height:4px;background:var(--ink);margin:0 auto 8px;border-radius:5px}.device-screen{border:2px solid var(--ink);border-radius:7px;background:var(--lime);height:160px;text-align:center;padding:9px 6px;transition:background .12s}.screen-top{font-size:6px;display:flex;justify-content:space-between;font-weight:700}.screen-top span:last-child{font-size:12px}.battery-icon{width:49px;height:26px;border:2px solid var(--ink);border-radius:4px;margin:11px auto 5px;position:relative;overflow:visible}.battery-icon:after{content:'';position:absolute;background:var(--ink);width:4px;height:11px;right:-5px;top:5px;border-radius:1px}.battery-icon>div{position:absolute;left:0;bottom:0;height:100%;width:0;background:#72af40}.battery-icon b{position:relative;font-size:24px;line-height:19px}.percent{font-size:31px;letter-spacing:-2px;font-family:ui-monospace,monospace;font-weight:900;white-space:nowrap}.percent 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var(--ink);background:var(--skin);border-radius:4px;margin:auto;text-align:center;font-size:21px;line-height:22px;position:relative;top:-2px}.orbit{position:absolute;color:#7b9265}.orbit-one{font-size:31px;left:-57px;top:47px;transform:rotate(-10deg)}.orbit-two{font-size:25px;right:-45px;top:157px}.arena-bottom{position:absolute;bottom:11px;left:10px;right:10px;text-align:center;color:#7a8868;font-size:9px}.rounds{font-weight:800;margin-top:2px;color:var(--blue)}.meter-area{margin-top:17px}.meter-labels{display:flex;justify-content:space-between;font-size:8px;font-weight:700;color:#868c7d}.danger-text{color:#da6948}.meter{height:13px;border:1px solid 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20px;border-radius:12px;z-index:9;font-size:12px;opacity:0;transition:opacity .2s;pointer-events:none;max-width:90%;text-align:center}.toast.show{opacity:1}.arena.charging .device{animation:rumble .13s infinite alternate}.arena.danger .device-screen{background:#ffb18e}.arena.danger .device{animation:rumble .07s infinite alternate}.arena.boom{animation:shake .4s}.arena.boom .device{transform:rotate(-13deg) scale(.94)}.arena.boom .device-screen{background:#ff9a77}.arena.success .device-screen{background:#d6f88d}.particle{position:absolute;width:7px;height:10px;left:50%;top:50%;z-index:4;background:var(--orange);animation:burst .7s forwards;pointer-events:none}.particles{position:absolute;inset:0;pointer-events:none}.arena.boss{background-color:#eee8d9;background-image:radial-gradient(#d5c6ae .8px,transparent .8px)}@keyframes rumble{from{translate:-.5px 0}to{translate:.5px 1px}}@keyframes shake{20%,60%{translate:-6px 0}40%,80%{translate:6px 0}}@keyframes burst{from{transform:translate(0,0) rotate(0);opacity:1}to{transform:translate(var(--x),var(--y)) rotate(270deg);opacity:0}}@media(min-width:1400px){.layout{margin-top:55px}}@media(max-width:1100px){.layout{grid-template-columns:1fr 420px;gap:35px;max-width:890px}.right-panel{display:none}.topbar{padding:22px 30px}.intro{padding-top:60px}h1{font-size:53px}}@media(max-width:650px){.topbar{padding:15px 20px 13px}.brand{font-size:17px}.brand-icon{width:35px;font-size:31px;line-height:35px;border-radius:10px}.brand-sub{font-size:6px;letter-spacing:1.7px}.autosave{display:none}.icon-button{height:32px;min-width:32px}.layout{display:flex;flex-direction:column;padding:0 14px;margin:17px auto;gap:18px;max-width:450px}.intro{display:none}.game{padding:18px;border-radius:20px;box-shadow:3px 4px 0 #e1e2d6}.game-top h2 span{font-size:26px}.game-top h2{font-size:19px}.arena{height:305px}.device-wrap{top:43px}.stage-meta{margin:13px 0 9px}.meter-area{margin-top:14px}.rule{margin:12px 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20px}.page-footer>span:last-child{display:none}.result-dialog{padding:22px}.result-emoji{margin-top:10px}.result-value{font-size:48px}}@media(max-width:650px) and (max-height:760px){.arena{height:265px}.device-wrap{transform:translateX(-50%) scale(.85);transform-origin:top center;top:40px}.layout{margin-top:12px}.game{padding:15px}.rule{margin:9px 0}.game-foot{margin-top:11px}.right-panel{display:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}