:root{--bg: #f6f7f9;--surface: #ffffff;--border: #e3e6ea;--text: #14181f;--muted: #6b7280;--accent: #2563eb;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Helvetica Neue,Hiragino Sans,Noto Sans JP,system-ui,sans-serif;-webkit-font-smoothing:antialiased}.header{position:sticky;top:0;background:#ffffffd9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.header__inner,.main{max-width:960px;margin:0 auto;padding:0 24px}.header__inner{height:56px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:700;font-size:14px;letter-spacing:-.01em;text-decoration:none;color:inherit}.nav a{font-size:14px;color:var(--muted);text-decoration:none;padding:6px 12px;border-radius:6px}.nav a:hover{background:#eef1f5;color:var(--text)}.main{padding-top:32px;padding-bottom:48px}h1{font-size:22px;margin:0 0 4px}.subtitle{margin:0 0 24px;font-size:14px;color:var(--muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;overflow:hidden}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--border)}th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#fafbfc}tbody tr:last-child td{border-bottom:none}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;background:#eef2ff;color:var(--accent)}.state{padding:24px 16px;font-size:14px;color:var(--muted)}.state--error{color:#b91c1c}