body {
  font-family: "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.7;
  color: #333;
  background-color: #fff;
}

h1 {
  font-size: 1.8em;   
  line-height: 1.3;
  font-weight: bold;
  margin-bottom: 0.5em;
}

h2 {
  font-size: 1.6em; 
  line-height: 1.4;
  font-weight: bold;
  margin-bottom: 0.5em;
}

h3 {
  font-size: 1.4em; 
  line-height: 1.5;
  font-weight: bold;
  margin-bottom: 0.5em;
}

h4 {
  font-size: 1.3em;
  font-weight: bold;
  margin-bottom: 0.5em;
}

h5 {
  font-size: 1.1em;  /
  font-weight: bold;
  margin-bottom: 0.5em;
}

h6 {
  font-size: 1em;   
  font-weight: bold;
  margin-bottom: 0.5em;
}

p {
  font-size: 1em;   
  margin-bottom: 1.2em;
}

ul, ol {
  font-size: 1em;
  margin-bottom: 1.2em;
  padding-left: 1.5em;
}

li {
  margin-bottom: 0.5em;
}

a {
  font-size: 1em;
  color: #0066cc;
  text-decoration: underline;
}

small {
  font-size: 0.85em;
}

blockquote {
  font-size: 1.1em;
  line-height: 1.8;
  margin: 1.5em 0;
  padding: 1em;
  border-left: 5px solid #ccc;
  background-color: #f9f9f9;
}