:root{
  --bg:#f4f6f8; --surface:#fff; --ink:#132029; --muted:#55626d; --line:#cfd8df;
  --accent:#0b6e8f; --accent-ink:#fff; --soft:#e2f0f5; --urgent:#b3261e; --urgent-soft:#fdecea; --ok:#1d7a46;
  --scale:1; --track:.01em;
  font-family:"Atkinson Hyperlegible","Segoe UI","Hiragino Sans","Noto Sans JP",system-ui,sans-serif;
}
:root.hc{ --bg:#000; --surface:#000; --ink:#fff; --muted:#e6e6e6; --line:#fff; --accent:#ffd400; --accent-ink:#000; --soft:#1a1a1a; --urgent:#ff6b6b; --urgent-soft:#2a0000; --ok:#7CFC00; --track:.04em }
*{box-sizing:border-box}
html{font-size:calc(16px * var(--scale))}
body{margin:0;background:var(--bg);color:var(--ink);line-height:1.55;letter-spacing:var(--track)}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-ink);padding:8px 12px}
.skip:focus{left:8px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
button{font:inherit;letter-spacing:inherit;min-height:48px;min-width:48px;padding:10px 16px;border-radius:12px;border:2px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
button:hover{border-color:var(--accent)}
button:disabled{opacity:.45;cursor:not-allowed}
button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:700}
button.ghost{background:transparent}
button.big{font-size:1.15rem}
:focus-visible{outline:4px solid var(--accent);outline-offset:3px}
.scanning-focus{outline:6px solid var(--urgent)!important;outline-offset:4px}
.top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:16px 20px;max-width:1280px;margin:0 auto}
.brand{display:flex;gap:12px;align-items:center}
.logo{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:var(--accent);color:var(--accent-ink);font-size:2rem;font-weight:700}
h1{margin:0;font-size:1.6rem}
.tag{margin:2px 0 0;color:var(--muted)}
.settings{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.switch,.slider{display:flex;gap:8px;align-items:center;font-size:.95rem}
.switch input{width:22px;height:22px;accent-color:var(--accent)}
.layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:18px;max-width:1280px;margin:0 auto;padding:0 20px 12px}
@media (max-width:900px){.layout{grid-template-columns:1fr}}
body.cg-only #resident{display:none} body.cg-only .layout{grid-template-columns:1fr}
.panel{background:var(--surface);border:2px solid var(--line);border-radius:18px;padding:16px 18px;min-width:0}
.panel h2{margin:0 0 10px;font-size:1.25rem}
.muted{color:var(--muted);font-size:.95rem}
.steps{display:flex;gap:8px;list-style:none;padding:0;margin:0 0 12px;flex-wrap:wrap}
.steps li{padding:6px 12px;border-radius:999px;border:2px solid var(--line);color:var(--muted);font-weight:700}
.steps li b{display:inline-grid;place-items:center;width:1.5em;height:1.5em;border-radius:50%;background:var(--line);color:var(--surface);margin-right:4px}
.steps li.on{border-color:var(--accent);color:var(--ink)} .steps li.on b{background:var(--accent);color:var(--accent-ink)}
.modes{display:flex;gap:8px;margin-bottom:10px}
.modes button[aria-selected=true]{background:var(--soft);border-color:var(--accent);font-weight:700}
.video{position:relative;aspect-ratio:4/3;background:#0b1015;border-radius:14px;overflow:hidden;max-width:520px}
video,#overlay{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.privacy{position:absolute;left:8px;right:8px;bottom:8px;margin:0;font-size:.8rem;color:#e7eef3;background:rgba(0,0,0,.5);padding:6px 8px;border-radius:8px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:10px 0}
.train{margin:8px 0;border:2px dashed var(--line);border-radius:12px;padding:8px 12px}
.train summary{cursor:pointer;font-weight:700;color:var(--accent)}
.train-grid{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.board{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:12px 0}
@media (max-width:560px){.board{grid-template-columns:repeat(2,minmax(0,1fr))}}
.word{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:110px;border-radius:16px;padding:10px 6px}
.word .ic{font-size:2rem;line-height:1}
.word .en{font-size:1.15rem;font-weight:700}
.word .ja{font-size:1rem;color:var(--muted)}
.word.urgent{border-color:var(--urgent)}
.pick{border:3px solid var(--accent);border-radius:16px;padding:12px 14px;background:var(--soft)}
.pick h3{margin:0 0 8px;font-size:1.1rem}
.cands{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.cands button{min-height:120px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}
.cands button[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.cands button[aria-pressed=true] .ja{color:var(--accent-ink)}
.reply{margin-top:12px;display:flex;gap:12px;align-items:center;border-radius:14px;background:var(--ink);color:var(--bg);padding:14px 16px;font-size:1.35rem;font-weight:700}
.hc .reply{background:var(--accent);color:#000}
.reply-label{font-size:.75rem;font-weight:400;opacity:.75;text-transform:uppercase;letter-spacing:.1em}
.inbox{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.inbox li{border:2px solid var(--line);border-radius:14px;padding:10px 12px;display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center}
.inbox li.empty{display:block;border-style:dashed;color:var(--muted)}
.inbox li.urgent{border-color:var(--urgent);background:var(--urgent-soft)}
.inbox .ic{font-size:1.8rem}
.inbox .msg{font-weight:700;font-size:1.1rem}
.inbox .meta{font-size:.85rem;color:var(--muted);font-weight:400}
.badge{display:inline-block;font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--urgent);color:#fff;margin-right:6px}
.inbox li.done{opacity:.6}
.foot{max-width:1280px;margin:0 auto;padding:4px 20px 28px;color:var(--muted);font-size:.9rem}
kbd{border:1px solid var(--line);border-radius:6px;padding:0 6px;background:var(--surface)}
@media (prefers-reduced-motion:no-preference){ .inbox li{animation:pop .25s ease-out} @keyframes pop{from{transform:translateY(-6px);opacity:0}to{transform:none;opacity:1}} }