nav {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: var(--background-color-1);
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--nav-height);
  left: 50%;
  transform: translatex(-50%);
  max-width: var(--max-display-size);
  box-shadow: 0.1rem 0.1rem 0.5rem 0.1rem var(--box-shadow);
}

.logo {
  justify-content: center;
  align-items: center;
  display: flex;
}

nav img {
  width: 3.5rem;
  height: 3.5rem;
  margin-left: 1rem;
  margin-right: 1rem;
}

nav ul {
  position: absolute;
  left: 50%;
  transform: translatex(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
}

nav ul li {
  display: inline-block;
}

nav ul li a:hover {
  background-color: var(--item-color-1);
}

#mobile-navbar-btn {
  display: none;
}

#navbar-action-btn {
  margin-right: 1rem;
}

#mobile-nav-action-btn a,
#navbar-action-btn a {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}

#mobile-nav-action-btn img,
#navbar-action-btn img {
  height: 3.5rem;
  width: 3.5rem;
}

#mobile-nav-action-btn {
  display: none;
}

#navbar-menu-btn {
  display: none;
}

#menu-btn-close,
#menu-btn-open {
  display: none;
  cursor: pointer;
}

#menu-btn-close img,
#menu-btn-open img {
  width: 2.8rem;
  height: 2.8rem;
}

#qonsole-btn {
  display: none;
}


@media only screen and (max-width: 1200px) {
  .logo {
    position: absolute;
    left: 50%;
    transform: translatex(-50%);
  }

  #nav-list {
    width: 100%;
    height: calc(100vh - var(--nav-height));
    flex-direction: column;
    justify-content: space-evenly;
    transition: all 0.5s;
    left: -100%;
    top: var(--nav-height);
    background: rgb(17, 26, 39, 0.8);
    transform: none;
  }

  #nav-list li {
    margin: 0.5rem 0;
  }

  #nav-list li a {
    font-size: 2rem;
  }

  #mobile-nav-action-btn {
    display: unset;
  }

  #navbar-action-btn {
    display: none;
  }

  #menu-btn-open {
    display: block;
  }

  #menu-btn-close {
    display: none;
  }

  #navbar-menu-btn:checked~#nav-list {
    left: 0;
  }

  #navbar-menu-btn:checked~#menu-btn-close {
    display: block;
  }

  #navbar-menu-btn:checked~#menu-btn-open {
    display: none;
  }

  .mobile-nav-action-btn {
    display: inline-block;
  }
}

@media only screen and (max-width: 500px) {
  .logo img {
    height: 3rem;
    width: 3rem;
    margin-right: 0.5rem;
  }

  .logo h2 {
    font-size: 2rem;
  }
}

@media only screen and (max-width: 375px) {
  
}