@media (max-width: 80.6em) {
  .skill-helper {
    row-gap: 1.5rem;
    column-gap: 1.5rem;
  }
}

@media (max-width: 71.5em) {
  html {
    /* 9px / 16px */
    font-size: 56.25%;
  }
  .heading-primary {
    font-size: 5rem;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 3.2rem;
  }

  .list {
    list-style: none;
    display: flex;
    gap: 1.8rem;
  }

  .list-item {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.6rem;
    line-height: 1.2;
  }
}

@media (max-width: 66.8em) {
  .skill-helper {
    grid-template-columns: repeat(3, 1fr);
    align-self: auto;
  }
  .grid-self {
    justify-self: auto;
  }
}

@media (max-width: 63.8em) {
  .technology-box {
    grid-template-columns: repeat(3, 1fr);
    margin-top: 4.6rem;
    gap: 1.8rem;
  }
  .heading-primary {
    word-spacing: -1.7rem;
  }
}

@media (max-width: 59.3em) {
  .hero-box {
    grid-template-columns: 1fr;
  }
  .hero-left-box {
    margin-bottom: 8.5rem;
  }
  .service-box {
    grid-template-columns: repeat(2, 1fr);
  }
  .passion-box {
    grid-template-columns: 1fr;
  }
  .brand-store {
    grid-column: 1 / -1;
  }

  .brand-explain {
    grid-column: 1 / -1;
  }

  .technology-box {
    grid-template-columns: repeat(5, 1fr);
  }

  .skills-box {
    grid-template-columns: 1fr;
  }
  .line {
    display: none;
  }

  .skill-helper {
    grid-template-columns: repeat(5, 1fr);
  }

  .skill-describer {
    align-items: center;
    justify-self: center;
  }

  .grid-self {
    justify-self: end;
  }

  .contact-box {
    grid-template-columns: 1fr;
  }
  .contact-locate {
    margin-top: 6.8rem;
    align-items: start;
    justify-self: start;
  }

  .nav-hide {
    display: none;
  }

  .day-night {
    width: 15.4rem;
    background: none;
    justify-content: space-evenly;
  }
  .menu-point {
    background: none;
  }
  .menu-on {
    display: block;
  }
}

@media (max-width: 48em) {
  .technology-box {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 41.8em) {
  html {
    font-size: 50%;
  }

  .service-box {
    grid-template-columns: 1fr;
  }

  .social-box {
    display: none;
  }
}

@media (max-width: 30em) {
  .power-txt {
    font-size: 1.2rem;
    text-align: center;
  }
  .power-txt span {
    display: none;
  }
}

@media (max-width: 30em) {
  html {
    font-size: 43.75%;
  }

  .hero-right-box {
    padding: 0.5rem;
  }

  .heading-primary {
    font-size: 4.5rem;
    word-spacing: -1.7rem;
  }

  .hero-header {
    font-size: 1.2rem;
  }

  .skill-box {
    display: none;
  }

  .skill-helper {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-self {
    justify-self: unset;
  }

  .technology-box {
    grid-template-columns: 1fr;
  }
}