@import url('/styles.css');
:root{color-scheme:dark;--navy:#101522;--panel:#171e2f;--lime:#d5ff5f;--coral:#ff8575;--muted:#a5afc5;--line:#30394b}
*{box-sizing:border-box}body{margin:0;background:var(--navy);color:#f7f8fc;font-family:Inter,"Noto Sans JP",system-ui,sans-serif}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,canvas:focus-visible{outline:3px solid var(--lime);outline-offset:4px}.site-header{max-width:1220px;margin:0 auto;padding:26px 32px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:900;letter-spacing:.03em;text-decoration:none}.brand>span:last-child{color:var(--lime)}.brand-mark{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--lime);color:var(--navy);font-size:23px}.back-link{font-size:13px;text-decoration:none;color:var(--muted);padding:12px 0}main{max-width:1100px;margin:0 auto;padding:40px 32px 64px}.title-row{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:28px}.eyebrow{font-size:11px;letter-spacing:.17em;font-weight:800;color:var(--lime);margin:0 0 12px}h1{font-size:clamp(30px,5vw,48px);letter-spacing:-.045em;line-height:1.1;margin:0;font-weight:900}h1 span{display:block;font-size:12px;letter-spacing:.08em;color:var(--muted);margin-top:12px;font-weight:500}.genre-tag{font-size:12px;border:1px solid var(--line);padding:10px 15px;border-radius:99px;white-space:nowrap;color:var(--lime)}.game-layout{display:grid;grid-template-columns:minmax(0,590px) minmax(230px,1fr);gap:44px;align-items:start}.game-panel{border:1px solid var(--line);border-radius:22px;background:var(--panel);overflow:hidden;box-shadow:0 18px 50px #0003}.hud{display:grid;grid-template-columns:1.2fr 1.2fr .8fr 1fr;padding:20px 22px;gap:12px;border-bottom:1px solid var(--line)}.hud div{min-width:0}.hud span{display:block;font-size:9px;letter-spacing:.15em;color:var(--muted);margin-bottom:5px}.hud output{display:block;font-size:22px;font-weight:850;line-height:1.2;font-variant-numeric:tabular-nums}.hud #score,.hud #wave{color:var(--lime)}.hud #lives{font-size:15px;color:var(--coral);white-space:nowrap;line-height:1.75}.board-wrap{position:relative;background:#0b1020;aspect-ratio:540/640;overflow:hidden}canvas{display:block;width:100%;height:100%;touch-action:none;user-select:none}.game-overlay{position:absolute;inset:0;display:grid;place-items:center;padding:25px;background:linear-gradient(180deg,#0b102026,#0b1020e8);backdrop-filter:blur(3px)}.game-overlay[hidden]{display:none}.overlay-card{text-align:center;max-width:350px}.orbital-icon{display:inline-grid;place-items:center;width:82px;height:82px;border:1px solid #d5ff5f66;border-radius:50%;color:var(--lime);font-size:44px;margin-bottom:24px;box-shadow:0 0 65px #d5ff5f12}.overlay-card h2{font-size:clamp(27px,5vw,39px);letter-spacing:-.04em;margin:0 0 15px}.overlay-card>p:not(.eyebrow){font-size:14px;line-height:1.9;color:#c3cada;margin:0 0 25px}.primary-button{background:var(--lime);color:var(--navy);border:0;border-radius:12px;padding:15px 28px;font-size:15px;font-weight:800;min-height:48px;min-width:185px}.primary-button span{margin-left:24px}.play-toolbar{display:flex;justify-content:space-between;gap:8px;align-items:center;padding:15px 16px 0}.play-toolbar button{color:#f6f8fc;background:#232c40;border:1px solid #3c475d;border-radius:10px;padding:10px 12px;font-size:12px;min-height:44px;white-space:nowrap}.play-toolbar button:disabled{opacity:.45;cursor:default}.autofire{font-size:12px;display:flex;gap:7px;align-items:center;min-height:44px;cursor:pointer;white-space:nowrap}.autofire input{width:18px;height:18px;accent-color:var(--lime)}.touch-controls{padding:12px 16px 0;display:flex;gap:9px}.touch-controls button{height:48px;min-width:44px;flex:1;touch-action:none;user-select:none;background:#232c40;color:#ecf0f8;border:1px solid #3c475d;border-radius:11px;font-size:21px;font-weight:700}.touch-controls button:active,.touch-controls button.pressed{color:var(--navy);background:var(--lime)}.touch-controls #fire{font-size:11px;letter-spacing:.08em;color:var(--lime);flex:1.4}.game-status{font-size:11px;color:var(--muted);padding:0 17px;line-height:1.6;min-height:18px;margin:12px 0 15px}.guide{padding-top:12px}.guide h2{font-size:34px;line-height:1.4;letter-spacing:-.04em;margin:0 0 18px}.guide>p:not(.eyebrow){font-size:13px;color:var(--muted);line-height:1.9}.guide-rule{display:flex;gap:17px;padding:22px 0;border-bottom:1px solid var(--line)}.rule-number{font-size:11px;font-weight:800;color:var(--lime);padding-top:3px}.guide-rule h3{font-size:14px;margin:0 0 9px}.guide-rule p{font-size:12px;line-height:1.9;color:var(--muted);margin:0}.tip{margin-top:25px;background:#d5ff5f09;border:1px solid #d5ff5f27;padding:16px;display:flex;gap:12px;border-radius:12px;color:var(--lime)}.tip p{font-size:12px;line-height:1.9;margin:0;color:#c5ceaf}.guide .save-note{font-size:11px;margin:20px 0}.next-game{display:grid;grid-template-columns:1fr auto;gap:8px;border:1px solid var(--line);border-radius:12px;padding:18px;text-decoration:none;font-weight:800;font-size:16px}.next-game>span:first-child{grid-column:1/-1;font-size:10px;font-weight:500;color:var(--muted)}.next-game>span:last-child{color:var(--coral)}footer{max-width:1100px;margin:auto;border-top:1px solid var(--line);padding:25px 32px;display:flex;gap:20px;font-size:11px;color:var(--muted)}footer a{text-decoration:none}footer>a:last-child{margin-left:auto}button:hover:not(:disabled){filter:brightness(1.08)}@media(max-width:760px){.site-header{padding:17px 20px}main{padding:28px 18px 40px}.title-row{margin-bottom:22px}.genre-tag{display:none}.game-layout{grid-template-columns:minmax(0,1fr);gap:30px;max-width:540px;margin:auto}.hud{padding:16px;gap:8px}.hud output{font-size:20px}.guide h2{font-size:28px}.guide h2 br{display:none}.guide-rule{padding:17px 0}.play-toolbar{padding:12px 12px 0;gap:6px}.play-toolbar button{font-size:11px;padding:9px 10px}.autofire{font-size:11px;gap:5px}.touch-controls{padding:10px 12px 0;gap:6px}.overlay-card .orbital-icon{width:65px;height:65px;font-size:35px;margin-bottom:17px}footer{padding:22px 20px;gap:12px}footer>span{display:none}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}
/* Keep the touch controls beside the visible playfield on short phones. */
@media(max-width:760px){.board-wrap{width:min(100%,max(180px,calc((100svh - 340px)*.84375)));margin-inline:auto}.title-row{margin-bottom:16px}.overlay-card .orbital-icon{display:none}.overlay-card{padding:12px}.overlay-card h2{font-size:24px}.overlay-card>p:not(.eyebrow){margin:8px 0;font-size:12px;line-height:1.4}.overlay-card .eyebrow{margin-bottom:6px;font-size:9px}}