* {
  margin: 0;
  padding: 0;
}

/* Header */
@media screen and (min-width: 1280px) {
  .header-box {
    display: none;
  }
}

@media screen and (max-width: 1279px) {
  .header-box {
    position: fixed;
    width: 100%;
    height: 70px;
    margin: auto;
    border-radius: 0px 0px 15px 15px;
    -webkit-backdrop-filter: blur(10px); /* Safari */
    backdrop-filter: blur(10px);
    z-index: 100;
  }

  .header-box-section {
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
    min-width: 65%;
    max-width: 90%;
    margin: auto;
    margin-top: 10px;
    height: auto;
    padding: 10px;
    background-color: #252525;
    border-radius: 15px 15px 15px 15px;
  }

  #header-ico-box {
    display: flex;
    background-color: #d9d9d9;
    width: 50px;
    height: 50px;
    border-radius: 50px;
    text-decoration: none;
  }
  #header-ico-box-active {
    display: flex;
    background-color: #8fbfea;
    width: 120px;
    height: 50px;
    border-radius: 50px;
    text-decoration: none;
  }
  #ico-home {
    display: flex;
    margin: auto auto auto 10px;
    justify-content: center;
    width: 30px;
    height: 30px;
    background-image: url(/assets/img/ico-home.svg);
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
  }
  #ico-plan {
    display: flex;
    margin: auto auto auto 10px;
    justify-content: center;
    width: 30px;
    height: 30px;
    background-image: url(/assets/img/ico-plan.svg);
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
  }
  #ico-tchat {
    display: flex;
    margin: auto auto auto 10px;
    justify-content: center;
    width: 30px;
    height: 30px;
    background-image: url(/assets/img/ico-tchat.svg);
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
  }

  #header-text-disable {
    display: none;
    margin: auto auto auto 0;
    font-family: 'Roboto', sans-serif;
    font-weight: 300px;
    font-size: 1em;
  }
  #header-text-active {
    display: flex;
    margin: auto auto auto 0;
    font-family: 'Roboto', sans-serif;
    font-weight: 300px;
    font-size: 1em;
    color: #202020;
  }
}