:root{--navy: #1f3a5f;--navy-dark: #162a45;--accent: #2f6f9f;--bg: #f4f6f8;--surface: #ffffff;--border: #dde2e8;--text: #1f2933;--text-muted: #67737f;--danger: #b4322b;--danger-bg: #fcecea;--success: #1f7a4d;--success-bg: #e6f4ec;--warn: #9a6b00;--warn-bg: #fbf0d6;--info: #1f5f8f;--info-bg: #e4eef6;--radius: 8px;--shadow: 0 1px 3px rgba(20, 30, 45, .08), 0 1px 2px rgba(20, 30, 45, .06);--maxw: 960px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,Yu Gothic,Meiryo,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;-webkit-text-size-adjust:100%}h1,h2,h3{margin:0;font-weight:600;line-height:1.4}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}p{margin:0}button{font-family:inherit}.full-loader{display:flex;align-items:center;justify-content:center;min-height:100vh}.spinner{display:flex;align-items:center;gap:8px;color:var(--text-muted);padding:16px 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