/* ========================
   ヘッダー全体
======================== */
.site-header {
  background-color: #fff;
  border-bottom: 1px solid #eee;
  position: relative;
  z-index: 1000;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

/* ========================
   ロゴ
======================== */
.logo {
  flex-shrink: 0;
  width: 160px;
}
.logo img {
  height: 40px;
}

/* ========================
   メニュー（PC用）
======================== */
.main-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1;
  gap: 24px;
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links li a {
  text-decoration: none;
  color: #333;
  font-size: 16px;
}
.nav-links li a:hover {
  text-decoration: underline;
}

/* CTA（LINE登録） */
.nav-cta {
  padding-left: 8px;
}
.nav-cta .btn-line {
  display: inline-block;
  padding: 8px 14px;
  background-color: #00c300;
  color: #fff;
  font-weight: bold;
  border-radius: 4px;
  text-decoration: none;
}
.nav-cta .btn-line:hover {
  background-color: #00a500;
}

/* ========================
   検索フォーム（PC用）
======================== */
.header-search-box {
  margin-left: auto;
  position: relative;
  padding: 8px 0;
}
.header-search-box form {
  display: inline-flex;
  align-items: center;
  background: #f8f8f8;
  border: 1px solid #ddd;
  border-radius: 999px;
  padding: 8px 14px;
}
.search-input {
  border: none;
  background: transparent;
  font-size: 16px;
  width: 240px;
  outline: none;
  color: #333;
}
.search-input::placeholder {
  color: #999;
}
.search-icon-label {
  margin-right: 8px;
  display: flex;
  align-items: center;
}
.search-icon {
  flex-shrink: 0;
}

/* 検索結果ボックス */
#live-search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid #ddd;
  border-top: none;
  max-height: 300px;
  overflow-y: auto;
  z-index: 9999;
  display: none;
}
.live-result-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.live-result-list li {
  padding: 10px 16px;
  border-bottom: 1px solid #eee;
}
.live-result-list li a {
  text-decoration: none;
  color: #333;
  font-size: 15px;
}
.live-result-list li a:hover {
  background: #f7f7f7;
  display: block;
}
.no-result {
  padding: 10px 16px;
  color: #999;
}

/* ========================
   ハンバーガーボタン（SP用）
======================== */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #333;
}

/* ========================
   モバイル検索フォーム（SP用）
======================== */
.mobile-search-box {
  display: none;
  position: relative;
  padding: 14px 20px;
  border-bottom: 1px solid #eee;
}
.mobile-search-box form {
  display: flex;
  align-items: center;
  background: #f8f8f8;
  border: 1px solid #ddd;
  border-radius: 999px;
  padding: 8px 14px;
}
#mobile-search-input {
  border: none;
  background: transparent;
  font-size: 16px;
  width: 100%;
  outline: none;
  color: #333;
}
#mobile-search-input::placeholder {
  color: #999;
}

/* ========================
   レスポンシブ対応
======================== */
@media screen and (max-width: 768px) {
  .header-inner {
    flex-direction: row;
    justify-content: space-between;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav {
    flex-direction: column;
    background: #fff;
    width: 100%;
    display: none;
  }

  .main-nav.active {
    display: block;
  }

  .nav-links {
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: 0;
  }

  .nav-links li {
    border-bottom: 1px solid #eee;
  }

  .nav-links li a {
    display: block;
    padding: 14px 20px;
    color: #333;
    text-decoration: none;
  }

  .nav-cta {
    padding: 14px 20px;
  }

  .btn-line {
    display: inline-block;
    background: #00c300;
    color: #fff;
    text-align: center;
    padding: 10px;
    width: 100%;
    border-radius: 4px;
  }

  .mobile-search-box {
    display: block;
  }

  .header-search-box {
    display: none;
  }
}