body {
  font-family: "Noto Sans JP", sans-serif;
  font-optical-sizing: auto;
}

header {
  background: url(../images/jp03.jpg);
}

header img {
  height: 5em;
}

header ul {
  background-color: #023a67;
}

.nav-link {
  font-weight: bold;
  color: #ffffff;
}

.nav-link[aria-current] {
  color: #eb8a42;
}

.nav-link:hover,
.nav-link:active,
.nav-link:focus {
  color: #eb8a42;
}

h1,
h2,
h3,
h4 {
  margin: 1em 0;
  border-left: 0.5em solid #023a67;
  padding-left: 0.5em;
  color: #023a67;
}

h5 {
  color: #023a67;
}

footer {
  background: #023456 url(../images/footer_bg.png);
  color: #ffffff;
  bottom: 0;
  width: 100%;
}