*{box-sizing:border-box}html,body{margin:0;padding:0;background:#0f172a;color:#e5e7eb;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Hiragino Sans','Noto Sans JP',sans-serif}button,input,textarea,select{font:inherit}body{min-height:100svh}.app-shell{max-width:920px;margin:0 auto;padding:16px}.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px}.eyebrow{font-size:12px;color:#94a3b8;letter-spacing:.08em}.topbar h1{margin:4px 0 0;font-size:28px}.card,.item-card{background:#111827;border:1px solid #243046;border-radius:18px;box-shadow:0 10px 30px rgba(0,0,0,.25)}.pad{padding:16px}.main{display:grid;gap:16px}.quick-entry,.tabs{padding:16px}.section-title-row,.item-top,.search-row{display:flex;gap:10px;align-items:center;justify-content:space-between}.text-input,.text-area,.select{width:100%;background:#0b1220;border:1px solid #31415f;color:#f9fafb;border-radius:12px;padding:12px 14px}.text-area{resize:vertical}.hint{font-size:12px;color:#94a3b8}.sync-status{margin-bottom:10px}.primary-btn,.ghost-btn,.tab-btn{border:none;border-radius:12px;padding:11px 14px;cursor:pointer}.primary-btn{background:#2563eb;color:white}.ghost-btn,.tab-btn{background:#1f2937;color:#e5e7eb}.tab-buttons{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.tab-btn.active{background:#374151}.tab-panel{display:grid;gap:12px}.item-card{padding:14px}.item-title{font-size:16px;font-weight:700}.item-meta{margin-top:4px;font-size:12px;color:#94a3b8}.item-memo{white-space:pre-wrap;color:#d1d5db;margin-top:10px}.hidden{display:none !important}.empty{padding:18px;border:1px dashed #334155;border-radius:14px;color:#94a3b8;text-align:center}.chip{display:inline-flex;align-items:center;padding:4px 8px;border-radius:999px;background:#1e293b;font-size:12px;margin-right:6px}.action-row{display:flex;gap:8px;flex-wrap:wrap}.mini-btn{padding:8px 10px;border:none;border-radius:10px;background:#1f2937;color:#f8fafc;cursor:pointer}.mini-btn.done{background:#065f46}.mini-btn.warn{background:#92400e}.auth-area{display:flex;gap:8px;align-items:center;flex-wrap:wrap}@media (max-width:640px){.app-shell{padding:12px}.topbar,.section-title-row,.search-row{flex-direction:column;align-items:stretch}.topbar h1{font-size:24px}}