@media screen and (max-width:840px) {
  .company-logo {
    top: 50%;
    transform: translate(0, -50%);
  }
  .headerNav {
    position: fixed;
    top: 0;
    width: 100%;
    height: calc(var(--vh, 1vh)* 100);
    padding: 30px 0;
    background-color: rgb(6, 56, 82, 0.4);
  }
  .headerNav#open-nav {
    left: 0;
    opacity: 1;
    visibility: visible;
    transition: left 0.1s, opacity 0.5s 0.1s, visibility 0.1s;
  }
  .headerNav#close-nav {
    left: -100%;
    opacity: 0;
    visibility: hidden;
    transition: left 0.1s 0.5s, opacity 0.5s, visibility 0.1s 0.5s;
  }
  .headerNav ul {
    display: block;
    width: 95%;
    max-width: 640px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    overflow: auto;
    color: #2f496e;
  }
  .headerNav .responsiveOnly {
    display: flex;
  }
  .headerNav li {
    display: flex;
    justify-content: start;
    align-items: center;
    height: 100px;
    margin-top: 20px;
    border-bottom: 1px solid rgb(47, 73, 110, 0.2);
  }
  .firstView .nav-btn {
    opacity: 0;
  }
  .nav-btn {
    position: absolute;
    bottom: 25px;
    right: 15px;
    width: 60px;
    height: 60px;
    border-radius: 100px;
    opacity: 1;
    transition: opacity 0.5s 1s;
  }
  .nav-btn#not-selected-nav {
    background-color: #2f496e;
  }
  .nav-btn#selected-nav {
    background-color: #ed8c72;
    border: 3px solid #ed8c72
  }
  .nav-btn .btn-item {
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 35px;
    height: 3px;
    transition: background-color 0.5s, transform 0.5s;
  }
  .nav-btn#not-selected-nav .btn-item {
    background-color: #fff;
  }
  .nav-btn#selected-nav .btn-item {
    background-color: #2f496e;
  }
  .nav-btn#not-selected-nav .item-1 {
    top: 40%;
    transform: translate(-50%, -50%) rotate(0);
  }
  .nav-btn#selected-nav .item-1 {
    top: 50%;
    transform: translate(-50%, -50%) rotate(40deg);
  }
  .nav-btn#not-selected-nav .item-2 {
    top: 60%;
    transform: translate(-50%, -50%) rotate(0);
  }
  .nav-btn#selected-nav .item-2 {
    top: 50%;
    transform: translate(-50%, -50%) rotate(-40deg);
  }

  /* インタビュー詳細 */
  .mainContent-03 .staffImages .image-01 {
    width: 100%;
  }
  .mainContent-03 .staffImages .staffData {
    bottom: -25px;
    left: 20%;
    width: 90%;
    height: 40%;
  }

  /* コンタクト */
  .footer-contact .accessContact {
    top: auto;
    bottom: 20px;
    left: auto;
    right: 15px;
    opacity: 0.6;
  }

  /* フッターリンク */
  .footer-link li {
    margin-top: 35px;
  }
}

@media screen and (max-width:700px) {
  .mainContent .textContents p {
    font-size: 16px;
  }
}

@media screen and (max-width:580px) {
  .company-logo {
    width: 350px;
  }
  .header-title {
    width: 270px;
  }
  .header-title h1 {
    font-size: 65px;
  }

  /* コンタクト */
  .footer-contact .contactText li {
    font-size: 14px;
  }
}

@media screen and (max-width:420px) {
  .company-logo {
    width: 320px;
  }
  .staffInterview-container {
    width: 390px;
    height: 390px;
  }
  /* コンタクト */
  .footer-contact h2 {
    height: 70px;
    font-size: 56px;
  }
  .footer-contact .contactTitle {
    max-width: 255px;
  }
}