:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #172033;
  background: #f4f6fa;
  line-height: 1.6;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: #244caa; }
.site-header { padding: 1.1rem max(1.5rem, calc((100vw - 1180px) / 2)); background: #fff; border-bottom: 1px solid #dde2ed; }
.site-header a { color: inherit; font-size: 1.15rem; font-weight: 700; text-decoration: none; }
.container { max-width: 1228px; margin: 2.5rem auto; padding: 0 1.5rem; }
.narrow { max-width: 480px; }
h1 { font-size: 1.65rem; line-height: 1.3; margin: 0 0 1.5rem; }
h2 { font-size: 1.2rem; margin: 0 0 1rem; }
.panel { background: #fff; border: 1px solid #dde2ed; border-radius: 12px; padding: 1.6rem; margin-bottom: 1.5rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 1.25rem; }
.card { display: flex; flex-direction: column; margin: 0; }
.card p { flex: 1; margin: 0 0 1.6rem; }
.card .button { align-self: flex-start; }
.stack { display: flex; flex-direction: column; gap: 1rem; }
label { display: flex; flex-direction: column; gap: .3rem; }
input { width: 100%; padding: .75rem; color: inherit; background: #fff; border: 1px solid #aeb8ca; border-radius: 6px; font: inherit; }
button, .button { cursor: pointer; font: inherit; display: inline-block; border: 1px solid transparent; border-radius: 6px; padding: .65rem 1rem; background: #244caa; color: #fff; text-align: center; text-decoration: none; }
button:hover, .button:hover { background: #173778; }
:focus-visible { outline: 3px solid #846316; outline-offset: 3px; }
.muted { color: #4f5d73; }
.notice { border-left: 3px solid #244caa; background: #edf2fd; padding: 1rem; overflow-wrap: anywhere; }
.notice.error { border-color: #a32135; color: #8c172c; background: #fff0f2; }
.site-footer { max-width: 1180px; margin: 2rem auto; padding: 0 1.5rem; }
.text-button { color: #244caa; background: transparent; padding: 0; }
.text-button:hover { color: #173778; background: transparent; text-decoration: underline; }
@media (max-width: 600px) {
  .container { margin-top: 1.5rem; padding: 0 1rem; }
  .panel { padding: 1.2rem; }
  h1 { font-size: 1.4rem; }
}