.ins_nav {
  width: 100%;
  margin: 0 auto;
}

.ins_nav_item a {
  display: block;
  color: #0068b7;
  text-decoration: none;
}

.ins_nav_item a:hover {
  text-decoration: underline;
}

.ins_nav_item i {
  display: inline-block;
  color: #bbb;
  -webkit-transform: rotate(90deg);
  -moz-transform: rotate(90deg);
  -ms-transform: rotate(90deg);
  transform: rotate(90deg);
}

@media only screen and (min-width: 769px) {
  .ins_nav {
    margin-top: 50px;
  }
  .ins_nav_wrapper {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -moz-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
  }
  .ins_nav_wrapper:nth-last-of-type(1) {
    margin-top: 20px;
  }
  .ins_nav_item a {
    -webkit-transition: opacity 0.3s ease;
    -moz-transition: opacity 0.3s ease;
    transition: opacity 0.3s ease;
  }
  .ins_nav_item a:hover {
    opacity: 0.5;
  }
  .ins_nav_item i {
    margin-right: 10px;
    font-size: 1.3rem;
  }
}

@media only screen and (max-width: 768px) {
  .ins_nav {
    margin-top: 5.20833vw;
  }
  .ins_nav_item {
    margin-bottom: 2.60417vw;
  }
  .ins_nav_item a {
    font-size: 3.64583vw;
  }
  .ins_nav_item i {
    margin: 0 2.60417vw 0 0;
    font-size: 3.38542vw;
  }
}

.company-wrapper {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}

.company a {
  display: block;
  width: 100%;
}

.company-logo {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -moz-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -moz-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid #d9d9d9;
}

.company-logo img {
  max-width: 100%;
  max-height: 100%;
}

.company-name {
  font-weight: bold;
}

@media only screen and (min-width: 769px) {
  .company-wrapper {
    margin: 20px 0 0;
    -webkit-box-pack: start;
    -moz-box-pack: start;
    -ms-flex-pack: start;
    justify-content: flex-start;
  }
  .company-wrapper-nologo a {
    margin-bottom: 5px;
  }
  .company-item {
    width: 212px;
    margin: 0 10px 30px 0;
    -webkit-transition: opacity 0.3s ease;
    -moz-transition: opacity 0.3s ease;
    transition: opacity 0.3s ease;
  }
  .company-item:nth-of-type(5n) {
    margin: 0 0 30px 0;
  }
  .company-item:hover {
    opacity: 0.6;
  }
  .company-logo {
    width: 100%;
    height: 80px;
    margin: 0 auto 5px;
  }
}

@media only screen and (max-width: 768px) {
  .company-wrapper {
    margin: 20px 0 0;
    -webkit-box-pack: justify;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
  }
  .company-wrapper-nologo a {
    margin-bottom: 1.30208vw;
  }
  .company-item {
    width: 44.27083vw;
    margin: 0 0 5.20833vw;
  }
  .company-logo {
    width: 100%;
    height: 16.66667vw;
    margin: 0 auto 1.30208vw;
    padding: 2vw 0;
  }
}

.company-recruit-wrapper {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}

.company a {
  display: block;
  width: 100%;
}

.company-recruit-item {
  border: 1px solid #b0b0b0;
  box-shadow: 2px 2px 4px rgba(204, 204, 204, 0.5);
}

.company-recruit-item p {
  height: 40px;
}

.company-recruit-item h3 {
  line-height: 95%;
}

@media only screen and (min-width: 769px) {
  .company-recruit-wrapper {
    width: 1100px;
    margin-top: 35px;
    margin-right: 20px;
    -webkit-box-pack: justify;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
  }

  .company-recruit-item {
    margin: 0 10px;
    -webkit-transition: opacity 0.3s ease;
    -moz-transition: opacity 0.3s ease;
    transition: opacity 0.3s ease;
  }

  .company-recruit-item figure {
    width: 240px;
    height: 140.5px;
  }
  .company-recruit-item:hover {
    opacity: 0.6;
  }
}

@media only screen and (max-width: 768px) {
  .company-recruit-wrapper {
    margin-top: 10px;
    margin-right: 5px;
    justify-content: center;
  }
  .company-recruit-item {
    width: calc(100% / 2 - 2px);
    margin: 0 0.2vw 5.20833vw;
  }
  .company-recruit-item figure {
    height: 109.42px;
  }
  .company-recruit-logo {
    width: 100%;
    height: 16.66667vw;
    margin: 0 auto 1.30208vw;
  }
}