body {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
}

.image-box {
  display: inline-block;
}

img {
  width: 100%;
  height: auto;
}

.block {
  display: block;
}

.inline-block {
  display: inline-block;
}

.none {
  display: none;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}
.message {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
  max-width: 80%;
}
.message img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  margin-right: 10px;
}
.message p,
.title p {
  background-color: #e5e5ea;
  padding: 10px;
  border-radius: 10px;
}
.input-box {
  display: flex;
  margin-top: 20px;
}
.input-box input {
  flex: 1;
  padding: 10px;
  font-size: 16px;
  border: none;
  border-radius: 5px 0 0 5px;
  background-color: #e5e5ea;
}
.input-box button {
  padding: 10px;
  font-size: 16px;
  background-color: #1e90ff;
  color: #fff;
  border: none;
  border-radius: 0 5px 5px 0;
  cursor: pointer;
}

/* 추가 */
.message p.user {
  background-color: yellow;
}

.message p.bot {
  background-color: gray;
  color: #fff;
}

.message.user {
  justify-content: flex-end;
  margin-left: auto;
}

.hero {
  max-width: 70%;
  margin: 0 auto;
}

.hero__info {
  text-align: center;
}
.hero__info-box {
  padding: 5px 0;
}