body {
  background: gray;
}

.container {
  background: white;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

ul {
  display: flex;
  padding: 0;
}

li {
  list-style: none;
  margin-right: 1rem;
}

img {
  max-width: 100%;
}

.row {
  display: flex;
}

main {
  flex: 3;
  margin-right: 3rem;
}

table, th, td {
  border: 1px solid gray;
  border-collapse: collapse;
}

aside {
  flex: 1;
}

/* form */
.inquiry {
  display: flex;
}

.inquiry section {
  margin-left: 2rem;
}

input {
  margin: 1rem 0;
}

footer {
  background: dimgray;
  color: white;
  margin-top: 3rem;
  padding: 3rem;
  text-align: center;
}

/* スマホ表示 - 幅767px以下の場合 */
@media (max-width:767px) {
  .row, .inquiry {
    flex-direction: column;
  }
}