main{
    overflow: hidden;
    position: relative;
  }
  /*COMMON*/
    a {
      text-decoration: none;
      margin: 0;
      padding: 0;
      vertical-align: baseline;
      background: transparent;
    }
    a:hover, a:focus {
      text-decoration: underline;
      text-underline-position: under;
      text-underline-offset: 2px; 
      /* menu list__name underline position설정 */
    } 
    strong {
      font-size: 100%;
      line-height: 1.4;
      background: transparent;
    }
    img {
      /* img(인라인 요소) 하단에 Baseline 공백을 제거 */
      display: block;
      max-width: 100%;
    }
    /*INNER*/
    .inner {
      width: 1100px;
      margin: 0 auto;
      position: relative;
    }

    /*BUTTON*/
    /*promotion*/
    .btn.btn--promotion {
      width: 130px;
      padding: 10px;
      border: 2px solid #333;
      border-radius: 4px;
      color: #333;
      font-size: 16px;
      font-weight: 700;
      text-align: center;
      cursor: pointer;
      box-sizing: border-box;
      display: block;
      transition: .4s;
    }
    .btn.btn--promotion:hover {
      background-color: #333;
      color: #FFF;
    }
    .btn.btn--visual {
      display: block;
      width: 28%;
      height: 100%;
      margin:0 auto; 
      border:2px solid #004734; 
      color: #004734; 
      font-size: 14px; 
      line-height: 35px;  
      text-align: center;
      box-sizing: border-box;
      border-radius: 5px;
      word-spacing: -1px;
      letter-spacing: -1px;
      transition: background-color .7s, color .7s, border-color .7s; 
      -webkit-transition: background-color .7s, 
      color .7s, 
      border-color .7s;
    }
    .btn.btn--visual:hover {
      background-color:#004734; 
      color: #fff; 
    }
    .btn.btn--white {
      display: block;
      width: 100%;
      height: 100%;
      border-radius: 5px;
      text-align: center;
      box-sizing: border-box;
      color: #fff;
      border: 2px solid #fff;
      font-size: 14px;
      line-height: 36px;
      transition: background-color .7s, color .7s, border-color .7s;
      -webkit-transition: background-color .7s, color .7s, border-color .7s;
      letter-spacing: -1px;
    }
    .btn.btn--white:hover{
      background-color: #fff;
      color: #000;
    }
    .btn.btn--gold {
      display: block;
      width: 100%;
      height: 100%;
      border-radius: 5px;
      text-align: center;
      box-sizing: border-box;
      color: #b68341;
      border: 2px solid #b68341;
      font-size: 14px;
      line-height: 36px;
      transition: background-color .7s, color .7s, border-color .7s;
      -webkit-transition: background-color .7s, color .7s, border-color .7s;
      letter-spacing: -1px;
    }
    .btn.btn--gold:hover{
      background-color: #b68341;
      color: #222;
    }

    .btn.btn--black {
      display: block;
      margin: 0 auto;
      width: 125px;
      height: 100%;
      color: #000;
      font-size: 15px;
      line-height: 34px;
      text-align: center;
      font-weight: 500;
      border: 2px solid #000;
      border-radius: 5px;
      box-sizing: border-box;
      transition: background-color .7s, color .7s, border-color .7s;
      -webkit-transition: background-color .7s, color .7s, border-color .7s;
      letter-spacing: -1px;
    }
    
    .btn.btn--black:hover{
      color: #fff;
      background-color: #000;
    }

    /* 2025__Visual Main btn */
    .btn.btn--spring {
      color: #a32a4e;
      border: 2px solid #a32a4e;
      transition: background-color .7s, color .7s;
      -webkit-transition: background-color .7s, color .7s;
      display: block;
      width: 100%;
      height: 100%;
      font-size: 15px;
      line-height: 34px;
      border-radius: 5px;
      text-align: center;
      box-sizing: border-box;
    }
    .btn.btn--spring:hover {
      color: #fff;
      background-color: #a32a4e;
    }

 

    
    /*BACK TO POSITION*/
    .back-to-position {
      opacity: 0;
      transition: 3s;
    }
    .back-to-position.to-right {
      transform: translateX(-550px);
    }
    .back-to-position.to-left {
      transform: translateX(550px);
    }
    .show .back-to-position {
      opacity: 1;
      transform: translateX(0);
    }
    .show .back-to-position.delay-0 {
      transition-delay: 0s;
    }
    .show .back-to-position.delay-1 {
      transition-delay: .3s;
    }
    .show .back-to-position.delay-2 {
      transition-delay: .6s;
    }
    .show .back-to-position.delay-3 {
      transition-delay: .9s;
    }