/* css/style.css */

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Meiryo, sans-serif;
  margin: 0;
  background: #fff;
  color: #333;
  line-height: 1.7;
}

.container {
  max-width: 780px;
  margin: 20px auto;   /* ← 上下にも余白を追加 */
  padding: 0 10px;
}

/* ヘッダー */
.header-image {
  width: 100% !important;
  height: auto;
  display: block;
}

.header-wrap {
  position: relative;
}

header h2 {
  position: absolute;
  top: 10px;
  left: 20px;
  margin: 0;
  font-size: 20px;
  color: white;
}

header p {
  margin: 4px 0 0;
  line-height: 1.2;
  margin-bottom: 15px;
}

/* ナビ */
nav {
  margin: 10px 0;
  font-size: 14px;
}

nav a {
  margin-right: 10px;
  text-decoration: none;
}

/* レイアウト */
.main {
  display: flex;
}


/* 見出し */
h1 {
  margin-top: 0;
  font-size: 22px;
  border-left: 5px solid #800000;
  padding-left: 10px;
}

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-right: 10px;
  margin-top: 3px;
  font-size: 14px;
  line-height: 1.8;
}

.content-index {
  margin-top: auto;  
}

.center-text {
  text-align: center;
}

.small-text {
  font-size: 12px;
}

.sidebar {
  width: 200px;
  margin-top: 3px;
  flex-shrink: 0;
  padding: 0px;
  font-size: 13px;
  line-height: 1.4;
  position: relative;
  margin-bottom: 5px;
}

.sidebar-inner {
  padding: 10px;
  background: #F8F1C7;  
}

.sidebar-title {
  font-size: 16px;
  color: #FF0000;
  font-family: "Times New Roman", serif;
  font-style: italic;
  font-weight: bold;
  margin-bottom: 10px;
}

.small-text {
  font-size: 12px;
}

.side-title {
  color: red;
  font-style: italic;
  margin: 10px 0 5px;
}

.side-item {
  display: block;
  margin-bottom: 10px;
  text-decoration: none;
  color: #000;
}

.side-item img {
  display: block;
  width: 150px;
  height: auto;
  margin-top: 5px;
}

/* 画像 */
img {
  max-width: 100%;
}

.header-nav {
  text-align: right;
  font-size: 14px;
}

.header-nav a {
  margin-left: 10px;
}

/* フッター */
footer {
  margin-top: 0px;
  font-size: 12px;
  padding-top: 0px;
  text-align: justify;
  text-justify: inter-ideograph;
  line-break: strict;
}

footer a {
  display: inline-block;
  margin-right: 10px;
  margin-bottom: 0px;
}

footer h2 {
  margin-bottom: 0px;   /* 下の余白を小さく */
}

footer p {
  margin-top: 0;        /* 上の余白を消す */
}

.site-title {
  font-size: 18px;        /* size="3" 相当 */
  color: #800000;
  text-decoration: none;  /* 下線消す場合 */
}

/* スマホ対応 */
@media (max-width: 768px) {
  .main {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
  }
}