@media (max-width: 768px) {
  /* Default CSS */
  body {
    font-size: 16px;
  }
  section {
    padding: 50px 15px;
  }

  /* Common CSS */
  .headline {
    padding-bottom: 10px;
  }
  .headline h1 {
  }
  .headline p {
    padding: 0 20px;
  }

  /* ############### header ############## */

  .header-inner {
    width: 100%;
  }
  .logo {
    float: left;
    margin-left: 20px;
  }
  .gnb {
    float: none;
    background-color: #fff;
    position: fixed;
    height: 100vh;
    width: 250px;
    top: -20px;
    right: -270px;
    box-shadow: 3px 0 3px rgba(0, 0, 0, 0.1);
    padding-top: 70px;
    padding-left: 10px;
    transition: 0.5s;
  }
  .gnb.active {
    right: 0;
  }
  .gnb>li {
    margin-top: 0;
  }
  .gnb>li>a {
    width: 230px;
    display: block;
    height: 60px;
    line-height: 60px;
    color: #333;
    margin: 0;
    text-align: left;
    padding-bottom: 0;
    font-size: 1em;
  }
  .gnb>li>.submenu {
    background-color: #fff;
    text-align: left;
    padding: 0 50px;
  }
  .gnb>li>.submenu>li>a {
    color: #333;
  }
  .gnb>li>a.active {
    color: #333;
    /* border-bottom: 4px solid #97BC62; */
  }
  .gnb>li>a:hover{
    background: none;
    /* background: #97BC62; */
    /* color: #97BC62; */
  }
  
  /* Trigger */
  .trigger {
    /*border: 1px solid red;*/
    width: 30px;
    height: 30px;
    position: absolute;
    top: 25px;
    right: 20px;
    font-size: 28px;
    text-align: center;
    color: #fff;
    /*cursor: pointer;*/
    transition: 0.5s;
  }
  .trigger:before {
    content: '\e91c';
    font-family: xeicon;
  }
  .trigger.active:before {
    color: #666;
    content: '\e9af';
  }

  /* ############### banner ############## */
  .banner {
    height: 300px;
  }
  .banner img {
    position: absolute;
    height: 100%;
    width: auto;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
  }
  .banner-title h1 {
    font-size: 1.5em;
    line-height: 1em;
  }
  .banner-title p {
    display: none;
  }

  /* ############### menu_headline ############## */
  /* .menu_headline {
  } */
  .menu_headline-inner {
    width: 100%;
  }
  .menu_headline p {
    font-size: 0.8em;
  }
  .menu_headline h3 {
    font-size: 1.2em;
  }


  /* ############### section : welcome ############## */
  .welcome-img img{
    position: absolute;
    height: 100%;
    width: auto;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }
  .welcome-title {
    width: 80%;
    left: 50%;
    transform: translate(-50%, -50%);
  }

   /* ############## section : about ############# */

   .about {
    background: none;
   }
   .about-inner {
    width: 100%;
   }
   .about-title h1 {
    line-height: 1.5em;
    font-size: 1.5em;
    margin-bottom: 30px;
   }
   .about-title span {
    font-size: 1.3em;
   }
   .about-title p {
    margin-top: 10px;
    margin-bottom: 0;
    font-size: 0.8em;
   }

   /* ############## section : business ############# */

   .business-inner {
    width: 100%;
   }
   .business-content {
    display: block;
   }
   .business-item {
    width: 100%;
    margin-top: 30px;
   }
   .business-item:first {
    margin-top: 0;
   }
   .business-item img {
    padding: 19px;
    scale : 0.8;
   }
   .business-item:before {
    width: 125px;
    height: 125px;
   }
   .business-item p {
    font-size: 0.8em;
    line-height: 1.4em;
    padding-top: 10px;
   }
   .business-item h3 {
    font-size: 1em;
    padding-bottom: 10px;
   }
   .business-item:hover img{
    transform: none;
  }

   /* ############## section : portfolio ############# */

   .bg-wrap {
    background: none;
   }
   .portfolio-inner {
    width: 100%;
   }
   #portfolio_section .tab>li>a {
    padding: 0 10px;
    font-size: 0.8em;
   }
   #portfolio_section .tab>li>.panel {
    margin-top: 10px;
    display: block;
    border: none;
   }
   #portfolio_section .tab {
    height: 680px;
   }
   #portfolio_section .tab>li>.panel .pic {
    width: 100%;
   }
   #portfolio_section .tab>li>.panel .pic img {
    width: 100%;
    height: auto;
   }
   #portfolio_section .tab>li>.panel .info {
    width: 100%;
    padding: 10px;
    
   }
   #portfolio_section .tab>li>.panel .info .portfolio-title {
    font-size: 1.2em;
    margin-top: 10px;
   }
   #portfolio_section .tab>li>.panel .info .portfolio-subtitle {
    font-size: 1em;
    margin: 10px 0;
   }
   #portfolio_section .tab>li>.panel .info .portfolio-txt {
    font-size: 0.9em;
    margin: 20px 0;
   }
   #portfolio_section .tab>li>.panel .info .portfolio-btn {
    font-size: 0.7em;
    line-height: 30px;
    width: 100px;
   }
   /* ############## section : skills ############# */

   .skills {
    margin: 0;
    padding-top: 0;
   }
   .skills-inner {
    width: 100%;
   }
   .skills-content > div {
    width: 100%;
   }
   .skills-headline {
    padding-top: 0;
   }
   .skills-headline h3 {
    font-size: 1.2em;
   }
   .skills-headline h3:before {
    height: 15px;
    bottom: 0px;
   }
   .skills-headline p {
    padding-top: 10px;
   }
   .skills-headline a {
    font-size: 1em;
   }
   .skills-img {
    display: none;
   }
   .skills-pic {
    margin-top: 10px;
    display: block;
    padding-top: 20px;
   }
   .skills-pic img {
    width: 30%;
    margin: 0;
    padding: 0 0;
    scale: 0.8;
   }
   /* ############## section : footer ############# */

   footer {
    padding: 30px;
   }
   .footer-inner {
    width: 100%;
   }
   .footer-content>div {
    width: 100%;
   }
   .copyright p {
    font-size: 0.8em;
   }
}