/* Paperback like style */

html {
  font-size: 16px;
  line-height: 1.8;
  font-family: "Noto Serif JP", "Georgia", serif;
  background-color: #faf8f2;
  color: #333;
}

[lang="en"] {
  font-family: "Georgia", serif;
}


body {
  max-width: 600px;
  margin: 2rem auto;
  padding: 2rem;
  background: white;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

nav a {
  margin: 0 10px;
  text-decoration: none;
  color: #0055a4;
  font-weight: bold;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Noto Serif JP", "Georgia", serif;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

h1 {
  font-size: 1.8rem;
}

h2 {
  font-size: 1.5rem;
  border-bottom-width: 3px;
  border-bottom-style: double;
  border-bottom-color: #ccc;
  padding-bottom: 0.5rem;
}

h3 {
  font-size: 1.3rem;
  margin-top: 1.5rem;
}

/* 本文 */
p {
  margin: 1rem 0;
  line-break: strict;
}

ul, ol {
  margin: 1rem 0;
  padding-left: 2rem;
}

li {
  margin-bottom: 0.3rem;
}

/* ol style begins */
ol {
  list-style-type: decimal; /* ✅ 通常の番号付きリスト */
  font-family: "Noto Serif JP", "Georgia", serif; /* ✅ 読みやすい書籍風フォント */
  font-size: 1rem;
  line-height: 1.8;
  margin-left: 2em; /* ✅ 適度な余白 */
}

ol li {
  position: relative;
  padding-left: 0.5em; /* ✅ 番号とテキストの距離調整 */
}

ol li::marker {
  font-weight: bold;
  color: #444;
  min-width: 2.5em;
  text-align: right;
  display: inline-block;
}

/* ol style ends */

a {
  color: #0055a4;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
  margin: 1rem auto;
  border: 1px solid #ccc;
  padding: 5px;
  background: #fff;
}

hr {
  border: none;
  border-top: 1px solid #ccc;
  margin: 2rem 0;
}

footer {
  text-align: center;
  font-size: 0.9rem;
  color: #666;
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px dashed #ccc;
}

/* Utility class begins */
.Align-center {
  text-align: center;
}
.Align-right {
  text-align: right;
}
.Txt-size-s {
  font-size: 0.9rem;
}
/* Utility class ends */