* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Arial', 'Noto Sans JP', sans-serif;
  line-height: 1.6;
  background-color: #eef7f9;
  color: #17224E;
  margin: 0;
  padding: 0;
}

/* common */
hr {
  border: 0;
  height: 1px;
  background-color: #8c98cd;
  width: 80vw;
  border-radius: 2px;
  margin: 10px auto;
}

h1 {
  font-size: 2rem;
  line-height: 0.8;
  text-align: center;
  margin: 130px 0 auto;
}

.subtitle {
  font-size: 0.7rem;
  letter-spacing: 0.5em;
  text-align: center;
  margin-bottom: 0;
}

h2 {
  font-size: 1.5rem;
  line-height: 1.5;
  text-align: left;
  margin: 3rem 0 1rem auto;
  font-weight: normal;
}

/* content */
#content {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #eef7f9;
  color: #17224E;
  width: 60%;
  margin: 50px auto;
}

#content p {
  font-size: 1rem;
  line-height: 1.75;
  text-align: left;
  margin: 20px auto;
}

#content ul {
  list-style: none;
  padding-left: 0;
  margin: 1rem auto 2rem auto;
}

#content ol {
  list-style-type: decimal;
  list-style-position: outside;
  padding-left: 2.5em;
  margin: 1rem auto 2rem auto;
}

#content li {
  font-weight: normal;
  line-height: 1.75;
}

#content ul li {
  position: relative;
  padding-left: 20px;
}

#content ul li::before {
  content: '・';
  position: absolute;
  left: 0;
  color: black;
  font-size: 1rem;
}

@media (max-width: 600px) {
  #content {
    width: 80%;
  }
}