:root {
  --font-ui: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-display: "Montserrat", var(--font-ui);

  --bg: #f7f9fc;
  --bg-2: #ffffff;
  --panel: rgba(255, 255, 255, 0.82);
  --line: rgba(13, 53, 80, 0.10);
  --line-strong: rgba(13, 53, 80, 0.20);

  --ink: #0d1f35;
  --ink-2: #2d4a6a;
  --ink-3: #5a7490;
  --ink-on-dark: #f0f6ff;

  --brand: #0099cc;
  --brand-2: #1455a3;
  --accent: #00bcd4;
  --danger: #bf3b3b;
  --ok: #147a4d;

  --shadow-sm: 0 6px 20px rgba(8, 35, 53, 0.08);
  --shadow-md: 0 18px 40px rgba(8, 35, 53, 0.12);
  --shadow-lg: 0 28px 70px rgba(8, 35, 53, 0.16);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-xl: 34px;
  --header-h: 84px;

  --container: min(1180px, calc(100vw - 2rem));
  --container-narrow: min(820px, calc(100vw - 2rem));
}

@media (max-width: 720px) {
  :root { --header-h: 74px; }
}

@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
}