* {
  word-break: break-all;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  padding: 1rem;
  color: #000;
  background-color: #fff;
  font-family: sans-serif;
  overflow-x: hidden;
}

header {
  position: relative;
  margin: 0 0 1rem;
  padding: 1rem;
  text-align: center;
}

header .logo img {
  vertical-align: top;
  width: 40vw;
  max-width: 200px;
  height: auto;
}

main {
  max-width: 700px;
  margin: 0 auto;
}

h1 {
  font-size: 1.4rem;
}

h2 {
  font-size: 1.2rem;
}

h3,
h4,
h5,
h6 {
  font-size: 1.1rem;
}

dl {
  margin: 1rem 0;
}

dt,
dd {
  margin: 0;
  padding: 0;
}

dt {
  margin: 1rem 0 0;
  font-weight: bold;
}

dt:first-child {
  margin-top: 0;
}

.authorized {
  margin: 1em 0;
  text-align: right;
}

footer {
  margin: 2rem 0;
  padding: 0 0 1rem;
  font-size: 0.85rem;
  text-align: center;
}

@media (min-width: 500px) {
  .only_sp {
    display: none;
  }
}