* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #c0c0c0;
  color: #000;
  font-family: sans-serif;
  line-height: 1.6;
}

a {
  color: #0000ee;
}

a:visited {
  color: #551a8b;
}

main {
  width: min(1200px, calc(100% - 20px));
  margin: 10px auto;
  background: #fff;
  border: 2px outset #ddd;
}

header {
  padding: 12px;
  color: #fff;
  text-align: center;
  background: #000080;
}

.logo {
  display: inline-block;
  padding: 5px;
  background: #fff;
  border: 2px outset #ddd;
}

.logo img {
  display: block;
  width: 180px;
  height: auto;
}

header h1 {
  margin: 8px 0 2px;
  font-size: 28px;
}

header p {
  margin: 0;
}

header marquee {
  display: block;
  margin-top: 8px;
}

nav {
  padding: 7px;
  text-align: center;
  background: #e0e0e0;
  border-top: 2px inset #fff;
  border-bottom: 2px inset #fff;
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

nav a {
  font-weight: bold;
  text-decoration: none;
}

.new {
  color: red;
  font-weight: bold;
}

.layout {
  display: grid;
  grid-template-columns: 180px 1fr;
}

aside {
  padding: 10px;
  border-right: 1px solid #999;
}

aside h2 {
  margin: 0 0 8px;
  padding: 3px 5px;
  color: #fff;
  background: #000080;
  font-size: 15px;
}

aside section+section {
  margin-top: 20px;
}

aside ul {
  margin: 0;
  padding-left: 20px;
}

article {
  padding: 10px;
}

article section+section {
  margin-top: 20px;
}

article h2 {
  margin: 0 0 10px;
  padding: 4px 8px;
  background: #e0e0e0;
  border: 1px solid #888;
  font-size: 21px;
}

article p {
  margin: 8px 0;
}

article hr {
  margin: 20px 0;
  border: 0;
  border-top: 1px solid #999;
}

footer {
  padding: 12px;
  text-align: center;
  border-top: 1px solid #999;
  font-size: 12px;
}

@media (max-width: 600px) {

  main {
    width: calc(100% - 10px);
    margin: 5px;
  }

  header {
    padding: 10px 6px;
  }

  .logo img {
    width: 150px;
  }

  header h1 {
    font-size: 22px;
  }

  .layout {
    display: block;
  }

  aside {
    border-right: 0;
    border-bottom: 1px solid #999;
  }

  nav ul {
    gap: 4px 12px;
  }

  nav a {
    display: inline-block;
    padding: 2px 0;
  }

  article h2 {
    font-size: 19px;
  }
}

.map-container {
  width: 100%;
}

.map-container iframe {
  display: block;
  width: 100%;
  height: 400px;
  border: 0;
}