:root{--bg: #ffffff;--panel: #ffffff;--panel-2: #f7f8fa;--ink: #14161a;--ink-2: #575e6b;--ink-3: #8b93a1;--line: #e4e7ec;--line-2: #f0f2f5;--accent: #1d4ed8;--accent-soft: #eaf0ff;--warn: #b45309;--warn-soft: #fef6e7;--good: #047857;--good-soft: #e7f6f0;--radius: 12px;--shadow: 0 1px 2px rgba(16, 20, 30, .06), 0 4px 14px rgba(16, 20, 30, .05)}*{box-sizing:border-box}html{color-scheme:light}body{margin:0;background:var(--bg);color:var(--ink);font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,-apple-system,BlinkMacSystemFont,Segoe UI,Meiryo,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}h1{margin:0;line-height:1.3}button{font:inherit;color:inherit}.app{max-width:720px;margin:0 auto;padding:16px 14px 40px}.form{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:10px;display:grid;gap:8px;margin-bottom:14px}.form-row{display:grid;gap:8px}.form-row.route{grid-template-columns:1fr auto 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