:root {
  --color-bg: #faf9f6;
  --color-surface: #ffffff;
  --color-text: #222222;
  --color-text-strong: #111111;
  --color-text-muted: #666666;
  --color-border: #deddd8;
  --color-border-dark: #b7b5af;
  --color-action: #222222;
  --color-action-text: #ffffff;
  --color-focus: #555555;
  --font-serif: "Hiragino Mincho ProN", "Yu Mincho", YuMincho, serif;
  --font-sans: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  --width-page: 1120px;
  --width-hero: 800px;
  --width-form: 760px;
  --width-reading: 720px;
  --space-section: 96px;
  --radius-card: 8px;
  --radius-button: 8px;
  --radius-textarea: 12px;
}