/*FontAwesomeを使用しています。*/
.header {
  box-sizing: border-box;
  width: 100%;
  height: 120px;
}

.box {
  box-sizing: border-box;
}

/* ========== header ========== */
.box-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 90px;
}

.logo-img {
  width: 300px;
}

.sp-nav {
  display: none;
}

/* ========== nav ========== */
.box-nav {
  width: 100%;
  height: 40px;
  background: #3a3a3a;
}

.inner-nav {
  display: flex;
  justify-content: center;
  max-width: 1024px;
  padding: 0;
  margin: 0 auto;
  line-height: 40px;
  list-style: none;
  background: #3a3a3a;
}

.menu {
  padding: 0 4em;
  color: #fff;
}

.menu:hover {
  background: #7a7a7a;
}

/* ========== sp ========== */
@media screen and (max-width: 480px) {
  .header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    padding: 0 0.8em;
  }

  .box-nav {
    display: none;
  }

  .sp-nav {
    display: block;
  }

  .box-logo {
    height: 60px;
  }

  .logo-img {
    width: 70px;
  }
}