@media(max-width:759px) {
  .container {
    width: 100%;
  }

  header {
    padding: 10px 0 80px 0;
  }

  .header-menu {
    display: block;
  }

  .header-left h1 {
    padding: 8px 0 0 15px;
    font-size: 30px;
    font-family: 'Vollkorn', serif;
    letter-spacing: 10px;
  }

  .header-left h2 {
    padding: 0 0 0 20px;
    font-size: 10px;
    font-family: 'Kaushan Script', cursive;
    letter-spacing: 3px;
  }

  .header-right {
    text-align: center;
    padding: 40px 22px 5px 21px;
  }

  .nav-list {
    padding-top: 20px;
    text-align: center;
  }

  .nav ul li:nth-child(odd) {
    background: url(images/line_nav.gif) repeat-y right top;
    background-size: 1px 10px;
  }

  .nav ul {
    display: inline-block;
    width: 100%;
    box-sizing: border-box;
  }

  .nav li {
    padding: 20px 15px;
    border-top: 1px solid #d9d9d9;
    border-bottom: 1px solid #d9d9d9;
    float: left;
    width: 50%;
    box-sizing: border-box;
  }

  .pc {
    display: none !important;
  }

  .sp {
    display: block !important;
    width: 100%;
    height: 100%;
    background-size: cover;
  }

  .main-logo {
    padding: 50px 0 10px 0;
    font-size: 35px;
    color: #333;
    font-family: 'IM Fell DW Pica SC', serif, butler;
  }

  .contents {
    display: block;
  }

  .myphoto img {
    width: 180px;
    padding: 30px 0px 20px 90px;
  }

  .name {
    font-weight: normal;
  }


  .about-text {
    font-size: 18px;
    padding: 10px 40px 20px 40px;
    text-align: justify
  }

  .skill-content {
    font-size: 18px;
    padding: 10px 30px 20px 30px;
    text-align: center;
    width: 80%;
  }

  .skill-content h1 {
    font-weight: lighter;
    margin-bottom: 12px;
    text-align: center;
    line-height: 1.0;
    font-size: 22px;
    color: #505050;
  }

  .skill-text {
    width: 100%;
    padding: 0 10px 40px 10px;
    text-align: justify
  }

  .sub {
    text-align: center;
    line-height: 1.0;
    font-family: 'Lato', sans-serif;
    font-weight: 400;
    font-size: 13px;
    letter-spacing: 0.1em;
    color: #a5a5a5;
  }

  .works-wrapper p {
    font-size: 15px;
    margin-bottom: 20px;
  }

  .work-contents img {
    width: 340px;
    height: 260px;
    object-fit: contain;
  }

  .contact-wrapper p {
    font-size: 13px;
    margin-bottom: 20px;
    color: gray;
  }

  .contact-menu {
    padding-top: 30px;
  }

  .contact-menu .fab {
    font-size: 52px;
  }

  .totop {
    display: block !important;
    text-align: center;
  }

  .totop a {
    display: block;
    margin-bottom: 20px;
    padding: 50px 20px 0 20px;
  }

  .totop img {
    width: 22px;
    height: 14px;
  }

  footer {
    padding: 20px 0 25px 0;
  }

  footer .nav-list {
    justify-content: flex-start;
    padding: 0 0 25px 0px;
  }
}