/* ===============================
   ヘッダー全体のスタイル
   =============================== */
.header-container {
  width: 100%;
  height: 60px;
  background-color: #002f6c;
  color: white;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  box-sizing: border-box;
}

/* ===============================
   ヘッダータイトル（中央に固定配置）
   =============================== */
.header-title {
  font-size: var(--font-xl);
  font-weight: bold;
  color: white;
  line-height: 1;
  position: absolute; /* ← 中央固定のため */
  left: 50%;
  transform: translateX(-50%);
  margin: 0 auto;
  white-space: nowrap;
  z-index: 1;
}

/* ===============================
   ハンバーガーメニューアイコン
   =============================== */
.menu-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px;
  margin-left: auto;
  cursor: pointer;
  background: none;
  border: none;
  z-index: 100;
  position: static;
  box-sizing: border-box;
}

.menu-icon svg {
  width: 28px;
  height: auto;
  display: block;
  pointer-events: none;
}