* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 20px;
}

body {
  font-family: Georgia, 'Times New Roman', serif;
  background-color: #ffffff;
  color: #1a1a1a;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

header {
  text-align: center;
  padding: 40px 24px 0;
}

.logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: #1a1a1a;
  letter-spacing: 0.02em;
}

.logo:hover {
  color: #2d5a3d;
  text-decoration: none;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 80px 24px 120px;
}

.hero {
  padding-top: 60px;
}

h1 {
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 2rem;
}

.subline {
  font-size: 1.2rem;
  line-height: 1.8;
  color: #333;
}

h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

section p {
  margin-bottom: 1.5rem;
}

section p:last-child {
  margin-bottom: 0;
}

hr {
  border: none;
  border-top: 1px solid #2d5a3d;
  margin: 64px 0;
  opacity: 0.3;
}

a {
  color: #2d5a3d;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

strong {
  font-weight: 700;
}

.member {
  margin-bottom: 0.5rem;
}

.join {
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.contact {
  margin-bottom: 0;
}

footer {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px 60px;
}

footer p {
  font-size: 0.9rem;
  color: #666;
}

@media (max-width: 600px) {
  html {
    font-size: 17px;
  }

  main {
    padding: 40px 20px 80px;
  }

  .hero {
    padding-top: 40px;
  }

  h1 {
    font-size: 1.65rem;
  }

  hr {
    margin: 48px 0;
  }
}