/* ===== ベース ===== */
body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  padding: 0;
  color: #222;
  line-height: 1.65;
  background: #FFFCF3; /* 超薄い黄（背景） */
}

.container {
  width: 92%;
  max-width: 920px;
  margin: 0 auto;
}

/* ===== ヘッダー ===== */
.site-header {
  background: #ffffffee;  /* 白に近い透明感 */
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #f0e9d6;
  padding: 8px 0;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-horizontal {
  height: 38px;
}

/* ===== ナビ ===== */
.nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #222;
  font-weight: 500;
}

.nav a:hover {
  color: #b88c00;
}

/* ===== ヒーロー（縦詰め） ===== */
.hero {
  padding: 40px 0 30px; /* かなり圧縮 */
  text-align: center;
}

.hero-text h1 {
  font-size: 28px;
  margin-bottom: 14px;
  font-weight: 700;
}

.hero-text p {
  margin-bottom: 20px;
}

/* ===== ボタン ===== */
.btn-primary {
  display: inline-block;
  padding: 10px 24px;
  background: #222;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  transition: 0.2s;
}

.btn-primary:hover {
  background: #b88c00;
}

/* ===== セクション ===== */
.section {
  padding: 35px 0; /* かなり縦詰め */
}

.section-title {
  font-size: 22px;
  margin-bottom: 14px;
  padding-bottom: 4px;
  border-bottom: 3px solid #FFF1C7; /* 薄い黄 */
  display: inline-block;
}

/* ===== カード（淡い背景） ===== */
.card-vertical {
  background: #FFFAF0; /* 超薄い黄：白にほんのり */
  padding: 16px 20px;
  margin-bottom: 22px;
  border-radius: 8px;
  border: 1px solid #f2e5c3; /* 柔らかい黄枠 */
}

/* ===== 下線強調 ===== */
.about-block h3,
.card-vertical h3 {
  border-left: 4px solid #FFF1C7;
  padding-left: 8px;
  margin-bottom: 6px;
}

/* ===== お問い合わせ ===== */
.contact-mail a {
  color: #0044bb;
  text-decoration: underline;
}

.contact-note {
  font-size: 14px;
  color: #555;
}

/* ===== フッター ===== */
.site-footer {
  text-align: center;
  padding: 18px 0;
  margin-top: 40px;
  background: #ffffffaa;
  font-size: 14px;
  color: #444;
  border-top: 1px solid #f0e9d6;
}