/* ====================================== */
/* モバイルファースト header */
/* ====================================== */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  width: 100%;
  height: 50px;
  background: #fff;
  display: flex;
  align-items: center;
  z-index: 9999;
  box-shadow: none;
  transition: height .25s ease, box-shadow .25s ease;
}

/* スクロール時縮小 */
.site-header.scrolled {
  height: 40px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 8px;
}

/* ロゴ */
.header-logo img {
  height: 44px;
  width: auto;
  object-fit: contain;
  transition: height .25s ease;
}

.site-header.scrolled .header-logo img {
  height: 34px;
}

/* 屋号・所在地横並び */
.site-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: 'Zen Kaku Gothic New', sans-serif;
  margin: 0 auto;
  white-space: nowrap;
}

.site-title .site-location {
  font-size: 0.75rem;
  color: #6D7972;
}

.site-title .site-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: #007B43;
  letter-spacing: 0.12em;
}

/* ハンバーガー */
.hamburger {
  width: 34px;
  height: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger span {
  width: 100%;
  height: 3px;
  background: #007B43;
  border-radius: 3px;
}

/* モバイルメニュー */
.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 1.2rem;
  padding: 80px 0 24px;
  position: fixed;
  top: 0; left: 0; width: 100%;
  background: #fff;
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}

.mobile-nav.open {
  display: flex;
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav a {
  font-size: 1rem;
  text-decoration: none;
  color: #333;
  text-align: center;
}

/* ====================================== */
/* PC時レイアウト強化 */
/* ====================================== */
@media (min-width: 769px) {
  .site-header {
    height: 50px;
  }
  .site-header.scrolled {
    height: 40px;
  }

  .hamburger {
    display: none;
  }
}