:root {
  color-scheme: light;
  --ink: #0a1930;
  --muted: #586b84;
  --line: #d7e1ef;
  --blue: #155a9c;
  --blue-deep: #0b3562;
  --soft: #e7f3ff;
  --canvas: #f5f7fb;
  --danger-soft: #fff0f0;
  --danger: #a22727;
  --success-soft: #eaf8f1;
  --success: #176541;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}
main {
  width: min(calc(100% - 32px), 900px);
  margin: 40px auto 90px;
  padding: clamp(24px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(6, 26, 51, .10);
}

.languageNav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  margin-bottom: 24px;
}
.languageNav span {
  margin-right: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}
.languageNav a {
  min-width: 42px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
}
.languageNav a[aria-current="page"] {
  border-color: #b8d9f4;
  background: var(--soft);
  color: var(--blue-deep);
}

header { padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.brand { font-weight: 850; font-size: 22px; color: var(--blue); letter-spacing: -.4px; }
.kicker { margin: 28px 0 0; color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: 1px; }
h1 { font-size: clamp(34px, 6vw, 56px); line-height: 1.04; letter-spacing: -2px; margin: 8px 0 16px; }
h2 { font-size: 23px; line-height: 1.25; margin: 38px 0 10px; }
p, li { color: var(--muted); }
li + li { margin-top: 8px; }
a { color: var(--blue-deep); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid rgba(21, 90, 156, .24); outline-offset: 2px; }
.notice { margin: 28px 0; padding: 17px; border: 1px solid #cbe2f7; border-radius: 14px; background: var(--soft); color: var(--ink); }
.linkRow { display: flex; flex-wrap: wrap; gap: 10px 20px; margin: 24px 0 4px; padding: 0 0 22px; border-bottom: 1px solid var(--line); }
.linkRow a { font-weight: 700; }
form { margin-top: 28px; padding: clamp(18px, 4vw, 28px); border: 1px solid var(--line); border-radius: 16px; background: #fbfdff; }
label { display: block; margin-top: 18px; font-size: 13px; font-weight: 750; }
label:first-child { margin-top: 0; }
input, textarea {
  width: 100%;
  margin-top: 7px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}
input:invalid:not(:placeholder-shown) { border-color: var(--danger); }
textarea { min-height: 120px; resize: vertical; }
.formHint { margin: 7px 0 0; font-size: 13px; }
button {
  min-height: 48px;
  margin-top: 20px;
  padding: 13px 19px;
  border: 0;
  border-radius: 11px;
  color: #fff;
  background: var(--blue);
  font: inherit;
  font-weight: 780;
  cursor: pointer;
}
button:hover { background: var(--blue-deep); }
button:disabled { opacity: .62; cursor: wait; }
.result { margin-top: 16px; padding: 14px; border-radius: 11px; background: var(--soft); color: var(--ink); }
.result[data-kind="success"] { background: var(--success-soft); color: var(--success); }
.result[data-kind="error"] { background: var(--danger-soft); color: var(--danger); }
footer { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }

@media (max-width: 560px) {
  main { width: 100%; margin: 0; min-height: 100vh; border: 0; border-radius: 0; box-shadow: none; }
  h1 { letter-spacing: -1.4px; }
  .linkRow { flex-direction: column; gap: 8px; }
}