:root {
  --text: #202124;
  --muted: #5f6368;
  --line: #dadce0;
  --link: #1a5fb4;
  --success: #137333;
  --error: #b3261e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

.site-header,
main,
footer {
  width: min(calc(100% - 40px), 860px);
  margin-inline: auto;
}

.site-header {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
}

nav { display: flex; align-items: center; gap: 22px; }
nav a { color: var(--muted); font-size: 14px; text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); text-decoration: underline; }

.page-heading { padding: 58px 0 30px; border-bottom: 1px solid var(--line); }
h1 { margin: 0; font-size: clamp(34px, 7vw, 48px); line-height: 1.15; letter-spacing: -.025em; }
.lede { max-width: 720px; margin: 14px 0 0; color: var(--muted); font-size: 17px; }

.legal-document { padding: 30px 0 10px; }
.legal-document > p:first-child { margin-top: 0; color: var(--muted); }
.legal-document h2 { margin: 38px 0 10px; font-size: 23px; line-height: 1.3; }
.legal-document h3 { margin: 24px 0 8px; font-size: 17px; }
.legal-document p, .legal-document li { color: #3c4043; }
.legal-document li + li { margin-top: 8px; }
a { color: var(--link); }

.notice-box { margin: 24px 0; padding: 16px 18px; border-left: 3px solid #9aa0a6; background: #f8f9fa; }

.support-document > h2:first-child { margin-top: 0; }
.form-section { max-width: 680px; margin: 30px 0; padding: 26px; border: 1px solid var(--line); border-radius: 8px; }

.request-form { display: grid; gap: 18px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: grid; gap: 7px; }
label > span { font-size: 14px; font-weight: 600; }
label em { color: var(--muted); font-style: normal; font-weight: 400; }
input, select, textarea { width: 100%; border: 1px solid #9aa0a6; border-radius: 6px; background: #fff; color: var(--text); font: inherit; }
input, select { min-height: 44px; padding: 0 11px; }
textarea { min-height: 132px; padding: 10px 11px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid #8ab4f8; outline-offset: 1px; border-color: var(--link); }
.website-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.form-footer p { margin: 0; max-width: 390px; color: var(--muted); font-size: 12px; }
button { min-height: 44px; padding: 0 18px; border: 0; border-radius: 6px; background: #1a73e8; color: #fff; font: inherit; font-weight: 600; cursor: pointer; }
button:hover { background: #1558b0; }
button:disabled { cursor: wait; opacity: .65; }
.form-status { min-height: 24px; margin: 0; color: var(--muted); font-size: 14px; }
.form-status.is-success { color: var(--success); }
.form-status.is-error { color: var(--error); }
footer { display: flex; justify-content: space-between; gap: 16px; margin-top: 52px; padding: 24px 0 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }

@media (max-width: 680px) {
  .site-header { align-items: flex-start; flex-direction: column; gap: 12px; padding: 18px 0; }
  nav { width: 100%; gap: 16px; overflow-x: auto; }
  nav a { white-space: nowrap; }
  .page-heading { padding: 40px 0 24px; }
  .field-grid { grid-template-columns: 1fr; }
  .form-section { padding: 20px; }
  .form-footer, footer { align-items: stretch; flex-direction: column; }
  button { width: 100%; }
}