/* ヘッダー基本 */
.header {
  background-color: #fff;
  border-bottom: 1px solid #ccc;
  padding: 0.5rem 1rem;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  height:100%;
}
/* .header-inner div {
  height:100%;
} */
.material-icons{

  font-size: 30px;
}
/* サイトタイトル */
.site-title {
  font-size: 1.4rem;
  font-weight: 700;
}

/* ナビゲーション */
.nav {
  display: flex;
}

.nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  height:50px;
  align-items: center;

}

.nav a {
  text-decoration: none;
  color: #0d47a1;
  font-weight: 500;
  width:100%;
}

/* ハンバーガーボタン */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
  padding:0;
}



footer {
  background-color: #f1f1f1;
  text-align: center;
  padding: 1rem;
  font-weight: 100;
  font-size: 0.9rem;
  margin-top: 2rem;
}
@media screen and (max-width: 1000px) {
  
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    width: 100%;
    border-top: 1px solid #ccc;
  }

  .nav.active {
    display: block;
  }

  .nav ul {
    flex-direction: column;
    height:auto;
    gap: 0rem;

  }

  .nav li {
    display:flex;
    height:50px;
    text-align: center;
    align-items: center;
    width:100%;
  }

  .hamburger {
    display: flex;
  }
  footer {
    font-size: 0.8rem;
  }

}