:root{--color-bg: #f4f6f8;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #1e293b;--color-text-muted: #64748b;--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-danger: #dc2626;--color-danger-hover: #b91c1c;--color-header-bg: #0f172a;--color-header-text: #e2e8f0;--status-unreported: #6b7280;--status-normal: #15803d;--status-approaching: #b45309;--status-abnormal: #b91c1c;--radius: 10px;--shadow: 0 1px 3px rgba(15, 23, 42, .08)}*{box-sizing:border-box}body{margin:0;font-family:Hiragino Sans,Noto Sans JP,system-ui,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6}.app-header{position:sticky;top:0;z-index:20;background:var(--color-header-bg);color:var(--color-header-text)}.app-header__inner{max-width:1080px;margin:0 auto;padding:0 16px;display:flex;align-items:center;gap:16px;min-height:56px;flex-wrap:wrap}.app-header__brand{font-size:18px;font-weight:700;letter-spacing:.02em;color:#fff;white-space:nowrap}.app-header__brand small{font-weight:400;color:#94a3b8;margin-left:8px;font-size:12px}.app-header__spacer{flex:1}.app-header__user{font-size:13px;color:#cbd5e1;max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-nav{display:flex;gap:4px;flex-wrap:wrap}.app-nav__item{appearance:none;border:0;background:transparent;color:#cbd5e1;font-size:14px;padding:8px 14px;border-radius:8px;cursor:pointer;transition:background .15s,color .15s}.app-nav__item:hover{background:#ffffff14;color:#fff}.app-nav__item.is-active{background:var(--color-primary);color:#fff;font-weight:600}.menu-toggle{display:none;appearance:none;background:transparent;border:1px solid #334155;color:#e2e8f0;border-radius:8px;padding:6px 10px;font-size:16px;cursor:pointer}.app-main{max-width:1080px;margin:0 auto;padding:20px 16px 64px}.app-banner{margin:0 0 16px;padding:10px 14px;border-radius:var(--radius);background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af;font-size:14px}.app-banner--error{background:#fef2f2;border-color:#fecaca;color:#991b1b}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:16px}.card>h2{margin:0 0 4px;font-size:17px}.card>h3{margin:0 0 8px;font-size:15px}.card__desc{margin:0 0 14px;font-size:13px;color:var(--color-text-muted)}.card__divider{border:0;border-top:1px solid var(--color-border);margin:18px 0}.form-grid{display:grid;gap:12px}.form-grid--2col{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.field{display:grid;gap:4px;font-size:13px;color:var(--color-text-muted)}.field input,.field select,.field textarea{font-size:14px;color:var(--color-text);padding:8px 10px;border:1px solid var(--color-border);border-radius:8px;background:#fff;width:100%}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--color-primary);outline-offset:-1px;border-color:var(--color-primary)}.btn-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}button.btn{appearance:none;font-size:14px;padding:8px 16px;border-radius:8px;border:1px solid var(--color-border);background:#fff;color:var(--color-text);cursor:pointer;transition:background .15s,border-color .15s}button.btn:hover:not(:disabled){background:#f1f5f9}button.btn:disabled{opacity:.5;cursor:not-allowed}button.btn--primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff;font-weight:600}button.btn--primary:hover:not(:disabled){background:var(--color-primary-hover);border-color:var(--color-primary-hover)}button.btn--danger{background:#fff;border-color:#fca5a5;color:var(--color-danger)}button.btn--danger:hover:not(:disabled){background:#fef2f2;border-color:var(--color-danger)}button.btn--sm{font-size:12px;padding:4px 10px}.table-wrap{overflow-x:auto;border:1px solid var(--color-border);border-radius:8px}.table-wrap table{width:100%;border-collapse:collapse;font-size:13px;min-width:560px}.table-wrap th{text-align:left;background:#f8fafc;color:var(--color-text-muted);font-weight:600;padding:8px 12px;border-bottom:1px solid var(--color-border);white-space:nowrap}.table-wrap td{padding:8px 12px;border-bottom:1px solid #f1f5f9;vertical-align:middle}.table-wrap tbody tr:last-child td{border-bottom:0}.table-wrap tbody tr:hover{background:#f8fafc}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}.stat-card{border:1px solid var(--color-border);border-radius:var(--radius);padding:14px 16px;background:#fff;border-left:4px solid var(--stat-color, var(--color-border))}.stat-card__label{font-size:13px;color:var(--color-text-muted)}.stat-card__value{font-size:30px;font-weight:700;line-height:1.2;color:var(--stat-color, var(--color-text))}.status-badge{display:inline-block;border-radius:999px;padding:2px 12px;color:#fff;font-size:12px;font-weight:600;white-space:nowrap}.muted{color:var(--color-text-muted);font-size:13px}.empty-note{color:var(--color-text-muted);font-size:13px;padding:12px 0;margin:0}code.inline-code{background:#f1f5f9;border:1px solid var(--color-border);border-radius:6px;padding:2px 6px;font-size:12px;word-break:break-all}.secret-box{background:#fffbeb;border:1px solid #fde68a;border-radius:8px;padding:10px 12px;font-size:13px;margin-top:10px;word-break:break-all}dialog.modal{border:none;border-radius:var(--radius);padding:20px;width:min(420px,calc(100vw - 32px));box-shadow:0 10px 40px #0f172a33;background:var(--color-surface);color:var(--color-text)}dialog.modal::backdrop{background:#0f172a73}dialog.modal h3{margin:0 0 8px;font-size:16px}.link-button{appearance:none;border:none;background:transparent;padding:0;font:inherit;color:var(--color-primary);cursor:pointer;text-decoration:underline;text-align:left;word-break:break-all}.link-button:hover{color:var(--color-primary-hover)}.auth-page{max-width:420px;margin:48px auto 0;padding:0 16px}.auth-page__logo{text-align:center;margin-bottom:24px}.auth-page__logo h1{margin:0;font-size:26px}.auth-page__logo p{margin:4px 0 0;color:var(--color-text-muted);font-size:13px}.auth-tabs{display:flex;border-bottom:1px solid var(--color-border);margin-bottom:16px}.auth-tabs button{appearance:none;flex:1;border:0;background:transparent;padding:10px;font-size:14px;color:var(--color-text-muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}.auth-tabs button.is-active{color:var(--color-primary);border-bottom-color:var(--color-primary);font-weight:600}@media(max-width:720px){.app-header__inner{min-height:52px}.menu-toggle{display:block;margin-left:auto}.app-header__user{display:none}.app-nav{display:none;width:100%;flex-direction:column;padding-bottom:12px}.app-nav.is-open{display:flex}.app-nav__item{text-align:left;padding:10px 14px}.card{padding:16px}.app-main{padding:16px 12px 48px}}