body {
  margin: 0;
  padding: 20px;
  background: #f4efe6;
  color: #3b2f2f;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: 16px;
  line-height: 1.8;
}

.site-box {
  max-width: 900px;
  margin: 0 auto;
  background: #fffaf0;
  border: 1px solid #b9a88f;
  box-shadow: 0 0 0 6px #e3d6c3;
}

header {
  padding: 24px;
  background: #d8b26e;
  border-bottom: 1px solid #9b7a45;
}

h1 {
  margin: 0;
  font-size: 32px;
  letter-spacing: 0.08em;
}

.subtitle {
  margin: 8px 0 0;
  font-size: 14px;
}

.main-area {
  display: flex;
}

nav {
  width: 180px;
  padding: 20px;
  background: #efe3d0;
  border-right: 1px solid #b9a88f;
}

nav h2 {
  margin-top: 0;
  font-size: 18px;
}

nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

nav li {
  margin-bottom: 8px;
}

a {
  color: #7a3f22;
}

a:hover {
  color: #b85c38;
}

main {
  flex: 1;
  padding: 24px;
}

main h2 {
  margin-top: 0;
  padding-left: 8px;
  border-left: 6px solid #d8b26e;
  font-size: 20px;
}

.news {
  padding-left: 20px;
}

/* プロフィール表 */
.profile {
  border-collapse: collapse;
  margin: 12px 0 24px;
}

.profile th {
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
  padding: 4px 20px 4px 0;
  font-weight: normal;
}

.profile td {
  vertical-align: top;
  padding: 4px 0;
}

/* 日記 */
.diary-entry {
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px dotted #b9a88f;
}

.diary-entry h3 {
  margin-bottom: 8px;
  font-size: 17px;
  color: #6b4a2b;
}

/* 趣味ログなどのリスト */
main ul {
  padding-left: 22px;
}

/* フッター */
footer {
  padding: 12px;
  text-align: center;
  font-size: 12px;
  background: #efe3d0;
  border-top: 1px solid #b9a88f;
}

/* スマホで見たときの調整 */
@media screen and (max-width: 700px) {
  body {
    padding: 10px;
  }

  .main-area {
    display: block;
  }

  nav {
    width: auto;
    border-right: none;
    border-bottom: 1px solid #b9a88f;
  }

  h1 {
    font-size: 26px;
  }

  main {
    padding: 18px;
  }

  .profile th,
  .profile td {
    display: block;
    padding: 2px 0;
  }

  .profile th {
    margin-top: 10px;
    font-weight: bold;
  }
}