:root{--bg: #0a0d12;--panel: #11161f;--line: #1e2733;--ink: #e3e9f0;--ink-soft: #aab4c2;--ink-mute: #6b7686;--spark: #56d3ff;--amber: #ffb43c;--ok: #4ad6a0;--warn: #ff8a6b;--oled-bg: #000;--oled-ink: #9fe3ff;--mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;--sans: "IBM Plex Sans", "IBM Plex Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;--disp: "Besley", Georgia, serif;color-scheme:dark}@media(prefers-color-scheme:light){:root:not([data-theme=dark]){--bg: #f7f8fa;--panel: #ffffff;--line: #dde2e8;--ink: #141a22;--ink-soft: #3b4655;--ink-mute: #6b7686;--spark: #0a7fb0;--amber: #a15c00;--ok: #0f8a5f;--warn: #b3361b;color-scheme:light}}:root[data-theme=light]{--bg: #f7f8fa;--panel: #ffffff;--line: #dde2e8;--ink: #141a22;--ink-soft: #3b4655;--ink-mute: #6b7686;--spark: #0a7fb0;--amber: #a15c00;--ok: #0f8a5f;--warn: #b3361b;color-scheme:light}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 var(--sans)}a{color:var(--spark);text-underline-offset:2px}code,kbd,.mono{font-family:var(--mono);font-size:.92em}code{background:var(--panel);border:1px solid var(--line);border-radius:5px;padding:.05em .35em;overflow-wrap:anywhere}kbd{border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:0 .35em;background:var(--panel)}.top{border-bottom:1px solid var(--line);padding:14px 16px}.top-in{max-width:820px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}.brand img{width:28px;height:28px}.brand b{font:600 20px/1 var(--disp);letter-spacing:.04em}.brand span{color:var(--ink-soft);font-size:14px}.lang{display:flex;gap:6px;font-size:14px}.lang a,.lang strong{padding:4px 10px;border:1px solid var(--line);border-radius:999px;text-decoration:none}.lang strong{background:var(--panel);color:var(--ink);font-weight:600}.lang a{color:var(--ink-soft)}main{max-width:820px;margin:0 auto;padding:24px 16px 64px}h1{font:600 clamp(28px,5vw,38px)/1.2 var(--disp);margin:12px 0 8px}h2{font:600 24px/1.3 var(--disp);margin:48px 0 12px;padding-top:12px;border-top:1px solid var(--line)}h3{font-size:18px;margin:28px 0 8px}p,li{color:var(--ink)}.lede{color:var(--ink-soft);font-size:17px}.meta{color:var(--ink-mute);font-size:14px}.toc{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin:24px 0}.toc ol{margin:6px 0 0;padding-left:20px}.toc a{text-decoration:none}.note,.warn{border-left:3px solid var(--spark);background:var(--panel);border-radius:0 10px 10px 0;padding:12px 16px;margin:16px 0}.warn{border-left-color:var(--amber)}.note p,.warn p{margin:.3em 0}.table-wrap{overflow-x:auto;margin:16px 0;border:1px solid var(--line);border-radius:10px}table{border-collapse:collapse;width:100%;font-size:15px}th,td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line)}th{background:var(--panel);font-weight:600}tr:last-child td{border-bottom:0}td:first-child{min-width:7em}ol.steps{padding-left:22px}ol.steps>li{margin:6px 0}.download{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin:16px 0}a.button{display:inline-block;padding:10px 18px;border-radius:10px;background:var(--spark);color:#04121a;font-weight:600;text-decoration:none}a.button:hover{filter:brightness(1.08)}.oled-row{display:flex;flex-wrap:wrap;gap:16px;margin:16px 0}figure.oled{margin:0}.oled-screen{width:256px;max-width:100%;aspect-ratio:2 / 1;background:var(--oled-bg);border:6px solid #1a1f27;border-radius:6px;color:var(--oled-ink);font:12px/1.25 var(--mono);padding:6px 8px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.oled-screen .big{font-size:20px;line-height:1.2}.oled-screen .row{display:flex;justify-content:space-between;gap:8px}.oled-screen.setup{flex-direction:row;justify-content:flex-start;gap:10px;align-items:stretch}.oled-screen .qr{flex:0 0 auto;height:100%;aspect-ratio:1;background:repeating-linear-gradient(90deg,var(--oled-ink) 0 4px,transparent 4px 9px),repeating-linear-gradient(0deg,transparent 0 5px,var(--oled-bg) 5px 8px);opacity:.85}.oled-screen .col{display:flex;flex-direction:column;justify-content:space-between;min-width:0}figure.oled figcaption{color:var(--ink-mute);font-size:13px;margin-top:6px;max-width:256px}footer{max-width:820px;margin:0 auto;padding:24px 16px 48px;color:var(--ink-mute);font-size:13px;border-top:1px solid var(--line)}@media print{:root{--bg: #fff;--panel: #fff;--ink: #000;--ink-soft: #222;--line: #bbb}.lang,.top{display:none}h2{break-after:avoid}}