* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f6f8fb;
  color: #1f2937;
  line-height: 1.7;
}

a {
  color: #0b7285;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: linear-gradient(135deg, #0b7285 0%, #1d4ed8 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.container {
  width: min(100% - 32px, 900px);
  margin: 0 auto;
}

.header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
}

nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

nav a {
  font-size: 14px;
  font-weight: 600;
  color: #475569;
  transition: color 150ms ease;
}

nav a:hover,
nav a:focus-visible {
  color: #1d4ed8;
}

.nav-link.active {
  color: #111827;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: #111827;
  color: #ffffff;
  padding: 10px 16px;
  z-index: 20;
}

.skip-link:focus-visible {
  left: 16px;
}

.page {
  margin-top: 42px;
  margin-bottom: 60px;
  background: #ffffff;
  padding: 42px 48px;
  border: 1px solid #e5e7eb;
  border-radius: 20px;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.12);
}

.narrow {
  max-width: 760px;
}

h1 {
  margin: 0 0 14px;
  font-size: 36px;
  line-height: 1.2;
  color: #111827;
}

h2 {
  margin-top: 38px;
  font-size: 22px;
  line-height: 1.35;
  color: #111827;
}

h3 {
  margin-top: 25px;
  font-size: 17px;
  color: #111827;
}

p {
  margin: 12px 0;
}

.lead {
  font-size: 17px;
  color: #4b5563;
}

ul {
  padding-left: 22px;
}

li {
  margin: 7px 0;
}

.notice {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 26px;
  padding: 18px 22px;
  background: linear-gradient(135deg, #e0f2fe, #eff6ff);
  border: 1px solid #bfdbfe;
  border-radius: 14px;
  color: #0f172a;
}

.notice strong {
  color: #111827;
}

.button {
  display: inline-block;
  padding: 11px 17px;
  background: #2457d6;
  color: #ffffff;
  border-radius: 8px;
  font-weight: 700;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  background: #0b7285;
  color: #ffffff;
  border-radius: 12px;
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(11, 114, 133, 0.18);
  transition: background 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}

.button:hover,
.button:focus-visible {
  background: #0b7285;
  transform: translateY(-1px);
  text-decoration: none;
}

.email-box {
  padding: 14px 16px;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  font-weight: 700;
}

.email-box a {
  color: #1d4ed8;
}

.email-form {
  margin-top: 24px;
  padding: 20px;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
}

.form-row {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.form-row label {
  font-size: 14px;
  font-weight: 600;
  color: #334155;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  background: #ffffff;
  color: #0f172a;
  font-size: 15px;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.help-text {
  margin-top: 10px;
  color: #475569;
  font-size: 14px;
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 20px, 900px);
  }

  .page {
    margin-top: 20px;
    padding: 26px 20px;
    border-radius: 12px;
  }

  .header-inner {
    padding: 10px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    gap: 12px;
  }

  h1 {
    font-size: 29px;
  }

  h2 {
    font-size: 20px;
  }
}

  nav {
    gap: 12px;
  }

  h1 {
    font-size: 29px;
  }

  h2 {
    font-size: 20px;
  }
}