:root{--color-bg: #f5f7fb;--color-surface: #ffffff;--color-border: #e3e8f0;--color-text: #1b2536;--color-muted: #6b7891;--color-accent: #1f6feb;--color-accent-dark: #164fae;--radius: 12px;--shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px rgba(16, 24, 40, .06);font-family:Hiragino Sans,Noto Sans JP,Segoe UI,system-ui,sans-serif;color:var(--color-text)}*{box-sizing:border-box}html,body,#root{width:100%;margin:0;padding:0;min-height:100%;background:var(--color-bg)}.app{display:flex;flex-direction:column;width:100%;min-height:100vh}.app-header{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:14px 28px;background:var(--color-surface);border-bottom:1px solid var(--color-border)}.brand{display:flex;align-items:center;gap:12px}.brand-icon{width:40px;height:40px;border-radius:10px;object-fit:contain;background:var(--color-bg)}.brand-text{display:flex;flex-direction:column;line-height:1.25}.brand-title{font-size:20px;font-weight:700;letter-spacing:.02em}.brand-subtitle{font-size:12px;color:var(--color-muted)}.header-account{display:flex;align-items:center;gap:14px}.account-name{font-size:14px;color:var(--color-muted)}.ghost-button{padding:8px 14px;font-size:13px;color:var(--color-accent);background:transparent;border:1px solid var(--color-border);border-radius:999px;cursor:pointer;text-decoration:none;white-space:nowrap;transition:background .15s ease,border-color .15s ease}.ghost-button:hover{background:#1f6feb0f;border-color:var(--color-accent)}.app-nav{display:flex;gap:4px;width:100%;padding:0 28px;background:var(--color-surface);border-bottom:1px solid var(--color-border)}.nav-item{padding:12px 18px;font-size:14px;font-weight:600;color:var(--color-muted);text-decoration:none;border-bottom:2px solid transparent;transition:color .15s ease,border-color .15s ease}.nav-item:hover{color:var(--color-text)}.nav-item.is-active{color:var(--color-accent-dark);border-bottom-color:var(--color-accent)}.app-main{flex:1;width:100%;padding:24px 28px}.page{width:100%}.page-title{margin:0 0 16px;font-size:18px;font-weight:700}.card{width:100%;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow)}.page-placeholder{display:flex;align-items:center;justify-content:center;min-height:320px;color:var(--color-muted);font-size:14px}.app-footer{width:100%;padding:16px 28px;font-size:12px;color:var(--color-muted);background:var(--color-surface);border-top:1px solid var(--color-border)}@media (max-width: 640px){.app-header,.app-nav,.app-main,.app-footer{padding-left:16px;padding-right:16px}}.auth-loading{display:flex;align-items:center;justify-content:center;width:100%;min-height:100vh;color:var(--color-muted);font-size:14px}.login-screen{display:flex;align-items:center;justify-content:center;width:100%;min-height:100vh;padding:32px 16px;background:linear-gradient(180deg,#eef2fa 0%,var(--color-bg) 40%)}.login-card{width:100%;max-width:420px;padding:32px}.login-brand{display:flex;align-items:center;justify-content:center;gap:10px}.login-lead{margin:16px 0 24px;font-size:13px;color:var(--color-muted);text-align:center}.login-form{display:flex;flex-direction:column;gap:16px}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-size:12px;font-weight:600;color:var(--color-muted)}.field-input{padding:10px 12px;font-size:14px;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;outline:none;transition:border-color .15s ease,box-shadow .15s ease}.field-input:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px #1f6feb1f}.login-error{margin:0;font-size:13px;color:#c02b2b}.primary-button{padding:11px 16px;font-size:14px;font-weight:600;color:#fff;background:var(--color-accent);border:none;border-radius:8px;cursor:pointer;transition:background .15s ease}.primary-button:hover:not(:disabled){background:var(--color-accent-dark)}.primary-button:disabled{opacity:.6;cursor:default}.login-divider{display:flex;align-items:center;gap:12px;margin:20px 0;font-size:12px;color:var(--color-muted)}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:var(--color-border)}.login-google{width:100%;padding:11px 16px;font-size:14px;border-radius:8px}.nav-spacer{flex:1}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.page-heading .page-title{margin:0}.form-card{max-width:480px;padding:24px}.form-note{margin:0 0 16px;padding:10px 12px;font-size:13px;color:#8a5a00;background:#fff7e6;border:1px solid #ffe0a3;border-radius:8px}.form-success{margin:0;font-size:13px;color:#1f7a4d}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th,.data-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--color-border)}.table-select,.table-input{padding:6px 8px;font-size:13px;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:6px;outline:none}.table-edit{display:inline-flex;align-items:center;gap:8px}.table-edit .ghost-button{padding:4px 10px;font-size:12px}.data-table th{font-size:12px;font-weight:600;color:var(--color-muted);background:#f8fafd}.data-table tbody tr:hover{background:#f8fafd}.table-message{margin:0;padding:20px 16px;font-size:13px;color:var(--color-muted);text-align:center}