h1 {
  color: #7a5e35;
  font-size: 250%;
}

/* h1,
p {
  color: aqua;
} */

div {
  max-width: 640px;
  margin-right: auto;
  margin-left: auto;
}

h1,
h2,
li,
footer {
  text-align: center;
  font-family: "Josefin Slab", serif;
  font-weight: 600;
}

p img {
  max-width: 100%;
}

li {
  list-style: none;
  width: 33%;
  float: left;
}

ul::after {
  content: "";
  display: block;
  clear: both;
}

ul {
  padding: 0;
}

table {
  width: 100%;
}

th {
  text-align: left;
}

.price {
  text-align: right;
}

li a {
  color: #000;
}

li a:hover {
  text-decoration: none;
}

header {
  border-top: 10px solid #f9dfb7;
}

h2 {
  background-image: url(image/blue_bird.png), url(image/purple_bird.png);
  background-repeat: no-repeat;
  background-position: right 23% bottom 0%, left 23% bottom 0%;
  background-size: 30px;
}

section {
  box-shadow: 0 0 10px 0 #ccc;
  margin-top: 40px;
  padding: 10px 20px 10px 20px;
}

th img {
  border-radius: 6px;
  width: 150px;
}

iframe {
  max-width: 100%;
}

@media (max-width: 640px) {
  li {
    width: auto;
    /* フロートを無しに */
    float: none;
  }

  li a {
    /* emは親要素のフォントサイズを基準とした単位 */
    padding: 1em;
    margin-bottom: 0.5em;
    display: block;
    background-color: #f9dfb7;
    border-radius: 6px;
    text-align: center;
    text-decoration: none;
  }
}