:root{font-family:system-ui,-apple-system,Segoe UI,Hiragino Sans,Noto Sans JP,sans-serif;color-scheme:light;--fg: #1a1f2c;--muted: #6c7686;--bg: #fafbfc;--surface: #ffffff;--border: #e2e6ec;--accent: #1f4ed8;--danger: #c1281f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg)}a{color:var(--accent)}header.app-header{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 24px;display:flex;gap:16px;align-items:center}header.app-header nav a{text-decoration:none;margin-right:12px;color:var(--fg);font-weight:500}main.content{max-width:960px;margin:24px auto;padding:0 16px}.row{display:grid;gap:12px}.field{display:grid;gap:4px}.field label{font-size:12px;color:var(--muted)}.field input[type=text],.field input[type=datetime-local],.field textarea,.field select{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font:inherit;background:var(--surface)}.field textarea{min-height:200px;resize:vertical;font-family:ui-monospace,monospace}.btn{background:var(--accent);color:#fff;border:0;padding:8px 16px;border-radius:6px;cursor:pointer;font:inherit}.btn[disabled]{opacity:.5;cursor:not-allowed}.btn.secondary{background:transparent;color:var(--accent);border:1px solid var(--accent)}.btn.danger{background:var(--danger)}table.list{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:6px;overflow:hidden}table.list th,table.list td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}table.list th{background:#f4f6f9;font-weight:600}table.list tr:last-child td{border-bottom:0}table.list a{color:var(--accent);text-decoration:none}.preview-pane{border:1px solid var(--border);border-radius:6px;padding:12px;background:var(--surface);min-height:200px}.preview-pane h1,.preview-pane h2,.preview-pane h3{margin-top:.6em}.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.toolbar>label{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}.toolbar>label select,.toolbar>label input{padding:6px 8px;border:1px solid var(--border);border-radius:6px;font:inherit;background:var(--surface)}.error-banner{background:#fdecea;color:var(--danger);border:1px solid var(--danger);padding:8px 12px;border-radius:6px;margin-bottom:12px}.pill{display:inline-block;padding:2px 8px;border-radius:999px;background:#eef0f5;font-size:12px;margin-right:4px}.pill.danger{background:#fdecea;color:var(--danger)}.pill.ok{background:#ddf0e0;color:#14651f}.empty-state{color:var(--muted);padding:24px;text-align:center}.home-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}@media (max-width: 720px){.home-grid{grid-template-columns:1fr}}.home-card{display:flex;flex-direction:column;gap:4px;padding:16px;border:1px solid var(--border);border-radius:8px;background:var(--surface);text-decoration:none;color:var(--fg)}.home-card:hover{border-color:var(--accent)}.home-card strong{color:var(--accent)}.home-card span{font-size:13px;color:var(--muted)}.lang-checkboxes{display:flex;gap:12px;flex-wrap:wrap}.lang-checkboxes label{display:flex;gap:4px;align-items:center;font-weight:400}.split{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 720px){.split{grid-template-columns:1fr}}