/* ベーススタイル */
body {
  font-family: 'Yu Mincho', 'Hiragino Mincho Pro', serif;
  background:
    linear-gradient(135deg, #660000 0%, #330000 100%), /* 暗赤のグラデ */
    url('https://www.transparenttextures.com/patterns/waves.png') repeat; /* 和風波模様 */
  background-blend-mode: multiply;
  color: #fff8f0;
  margin: 0;
  line-height: 1.8;
}

/* セクションの背景を和紙風に */
section {
  background: rgba(255, 240, 230, 0.95);
  border-radius: 12px;
  padding: 2em 2.5em;
  margin-bottom: 2em;
  box-shadow: 0 0 15px 2px rgba(139, 0, 0, 0.5);
  color: #3b0a0a;
}

/* ヘッダー */
header {
  background: linear-gradient(90deg, #8b0000, #b22222);
  color: gold;
  padding: 2em 0;
  text-align: center;
  text-shadow: 0 0 8px #ffb700;
  border-bottom: 5px double gold;
}

header h1 {
  font-size: 2.8em;
  margin: 0;
  letter-spacing: 0.25em;
  text-shadow: 2px 2px 4px #3b0a0a;
}

/* ナビゲーション */
.nav-menu {
  display: flex;
  justify-content: center;
  background-color: #330000cc;
  list-style: none;
  margin: 0;
  padding: 0.8em 0;
  border-bottom: 3px solid gold;
  box-shadow: 0 2px 6px #b22222aa;
}

.nav-menu li {
  margin: 0 24px;
}

.nav-menu a {
  color: gold;
  font-weight: bold;
  font-size: 1.15em;
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.3s, border-bottom-color 0.3s, text-shadow 0.3s;
}

.nav-menu a:hover,
.nav-menu a:focus {
  color: #ffb700;
  border-bottom-color: #ffb700;
  text-shadow: 0 0 10px #ffb700;
  outline: none;
}

/* 見出し */
h2 {
  border-left: 12px solid #8b0000;
  padding-left: 12px;
  color: #8b0000;
  margin-top: 1.8em;
  font-size: 2em;
  text-shadow: 1px 1px 4px #4b0000;
}

h3 {
  color: #b22222;
  font-size: 1.6em;
  margin-bottom: 0.4em;
  text-shadow: 1px 1px 3px #4b0000;
}

/* 採用情報記事 */
.recruit-info article {
  background-color: #fffaf0;
  padding: 1.5em 1.8em;
  margin-bottom: 1.6em;
  border: 2px solid #8b0000;
  border-radius: 10px;
  box-shadow: 4px 4px 8px rgba(0,0,0,0.25);
  color: #3b0a0a;
}

.recruit-info article ul {
  margin-top: 0.6em;
  padding-left: 1.2em;
  color: #660000;
}

.recruit-info article ul li {
  margin-bottom: 0.4em;
  list-style-type: disc;
}

/* 給与情報 */
.salary-block {
  background-color: #fff8dc;
  border: 2px solid #b22222;
  padding: 1.4em 1.6em;
  border-radius: 12px;
  margin-bottom: 1.6em;
  box-shadow: 3px 3px 6px rgba(0,0,0,0.2);
  color: #4b0000;
}

.salary-block h3 {
  color: #b22222;
  margin-bottom: 0.6em;
  font-size: 1.5em;
}

.salary-block p {
  margin: 0.5em 0;
  font-size: 1.05em;
}

/* 注釈 */
.note {
  font-style: italic;
  color: #333;
  margin-top: 1.6em;
  background-color: #fff3e6;
  padding: 0.8em 1em;
  border-left: 5px solid #b22222;
  border-radius: 8px;
  box-shadow: 0 0 8px #b22222aa;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

/* 福利厚生 */
.benefits ul {
  background-color: #f4f4f4;
  padding: 1.4em 1.8em;
  border-left: 5px solid #8b0000;
  border-radius: 10px;
  color: #3b0a0a;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.benefits ul li {
  margin-bottom: 0.7em;
  font-weight: 600;
}

/* フッター */
footer {
  background: linear-gradient(90deg, #330000, #660000);
  color: gold;
  border-top: 4px double gold;
  text-align: center;
  padding: 1.4em 0;
  font-size: 0.95em;
  text-shadow: 0 0 6px #ffb700;
  user-select: none;
}