body {
  background-attachment: fixed;
  background-size: cover;

}

.header__logo {
  display: none;
}
.header__lead {
  margin: 0 auto;
  width: 1000px;
  max-width: 100%;
  padding: 1em;
  background-color: rgba(255,255,255,0.75);
}

.header__lead .staff {
  font-size: 14px;
}

.header__lead div {
  max-width: 30em;
}
.header h1 img {
  display: block;
  width: 100%;
}
.header h1 {
  width: 1000px;
  max-width: 100%;
  margin: 0 auto;
}

#contents{
  background-color: white;
}

.footer {
  max-width: 900px;
  margin: 0px auto 0;
  padding-top: 20px;
  background-color: white;
}
.navi {
  margin: 0 auto;
  border: none;
}
#contents, .footer, .copyright {
  max-width: 900px;
  margin: 0 auto;
}
.post__text {
  padding-left: 10px;
}

@media screen and (max-width: 700px) and (min-width: 600px) {
  .navi__prev-next li a {
    width: 120px;
  }
}