/* docs/design-system-site/styles.css のライトテーマの正本。本文は日本語システムフォント。 */
:root {
  color-scheme: light;
  --canvas-settings: #f6f6f9;
  --surface: #ffffff;
  --surface-strong: #000000;
  --text: #111111;
  --text-secondary: #6e6e73;
  --border: #e5e5ea;
  --focus: #007aff;
  --radius-sm: 12px;
  --radius-md: 20px;
  --font-ui: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "Hiragino Sans", "Yu Gothic UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; padding: 1rem; background: var(--canvas-settings); color: var(--text); font-family: var(--font-ui); line-height: 1.7; }
main { max-width: 36rem; margin: 2rem auto; padding: 2rem; background: var(--surface); border-radius: var(--radius-md); }
.logo { width: 8rem; height: auto; }
h1 { font-size: 1.5rem; line-height: 1.5; }
h2 { margin-bottom: 0; font-size: 1rem; }
h2 + p { margin-top: .25rem; }
code { overflow-wrap: anywhere; }
label { display: block; margin-block: 1rem; }
input { display: block; width: 100%; padding: .75rem; border: 1px solid var(--border); border-radius: var(--radius-sm); font: inherit; }
button, .button { display: block; width: 100%; padding: .85rem 1rem; margin-block: 1rem; border: 1px solid var(--surface-strong); border-radius: var(--radius-sm); background: var(--surface-strong); color: var(--surface); font: inherit; font-weight: 600; text-align: center; text-decoration: none; cursor: pointer; }
button.secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
a { color: var(--text); text-underline-offset: .2em; }
details { margin-top: 2rem; }
summary { cursor: pointer; color: var(--text-secondary); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }