html {
  font-size: 16px;
}
@media screen and (max-width: 780px) {
  html {
    font-size: 8px;
  }
}

@media screen and (max-width: 400px) {
  html {
    font-size: 5px;
  }
}

body {
  width: 100%;
  margin: 0 auto;
  font-family: 'Shippori Minch', serif;
  background-color: #9c580a6c;
}

/*-----------------------*/
header {
  width: 100%;
}

header img {
  width: 100%;
}

/*-----------------------------------*/

.main-contents {
  width: 80%;
  margin: 5rem auto;
  display: flex;
  justify-content: space-between;
  text-align: center;
}

.lunch {
  display: flex;
  flex-direction: column;
  gap: 5rem;
}

#border {
  border: 1px solid black;
}

.dinner {
  display: flex;
  flex-direction: column;
  gap: 5rem;
}

.main-contents h1 {
  font-size: 5rem;
  margin: 0;
  text-decoration: underline black 0.3rem;
}

.main-contents h4 {
  font-size: 3.5rem;
  margin: 0;
  text-decoration: underline black 0.2rem;
}

.main-contents p {
  font-size: 1.8rem;
  margin: 3rem 0;
}