@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap";:root{font-family:Inter,Noto Sans SC,Noto Sans JP,system-ui,sans-serif;color:#152033;background:#f6f8fb;font-synthesis:none;--blue: #2258d6;--blue-dark: #1844ac;--blue-soft: #edf3ff;--coral: #ff6459;--line: #dce3ed;--muted: #68758a;--surface: #ffffff;--shadow: 0 8px 24px rgba(31, 50, 79, .08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;background:#f6f8fb;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}a{color:inherit;text-decoration:none}.site-shell{min-height:100vh}.app-header{position:sticky;top:0;z-index:30;height:62px;padding:0 18px 0 26px;display:grid;grid-template-columns:240px minmax(430px,1fr) auto;align-items:center;gap:18px;background:#fffffff5;border-bottom:1px 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