:root{--ink:#111827;--muted:#64748b;--line:#e2e8f0;--surface:#ffffff;--bg:#f4f7fb;--cyan:#22d3ee;--cyan-dark:#0891b2;--orange:#fb923c;--shadow:0 16px 45px rgba(15,23,42,0.08)}*{box-sizing:border-box}body,html{background:var(--bg)}body{margin:0;color:var(--ink);font-family:Inter,Noto Sans JP,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;display:grid;grid-template-columns:228px 1fr}.desktop-sidebar{position:-webkit-sticky;position:sticky;top:0;height:100vh;padding:28px 18px;background:#0f172a;color:white;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px;padding:0 10px 34px}.brand>span{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;color:#082f49;background:var(--cyan);font-weight:950}.brand small,.brand strong{display:block}.brand strong{font-size:17px;letter-spacing:-.02em}.brand small{margin-top:2px;font-size:8px;letter-spacing:.16em;color:#94a3b8}.nav-items{display:grid;grid-gap:7px;gap:7px}.nav-items button{border:0;background:transparent;color:#94a3b8;min-height:48px;padding:0 13px;border-radius:12px;display:flex;align-items:center;gap:13px;text-align:left}.nav-items button>span{width:23px;font-size:21px;line-height:1;text-align:center}.nav-items button small{font-size:13px;font-weight:750}.nav-items button.active{color:white;background:rgba(34,211,238,.13)}.nav-items button.active>span{color:var(--cyan)}.sidebar-foot{margin-top:auto;padding:16px;border:1px solid rgba(148,163,184,.18);background:rgba(255,255,255,.04);border-radius:15px}.sidebar-foot strong{font-size:13px}.usage-bar{height:4px;margin-top:11px;background:#334155;border-radius:99px;overflow:hidden}.usage-bar span{display:block;height:100%;background:var(--cyan)}.main-column{min-width:0}.topbar{height:92px;padding:20px clamp(22px,4vw,56px);border-bottom:1px solid 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.capture-nav{transform:translateY(-13px);width:58px;height:58px;justify-self:center;border-radius:50%;color:#083344;background:var(--cyan);box-shadow:0 8px 20px rgba(8,145,178,.25)}.nav-items.mobile .capture-nav small{color:#083344}}@media (max-width:420px){.hero-top{gap:10px}.progress-pill{padding:7px 9px;font-size:12px}.capture-actions{grid-template-columns:1fr 1fr}}