#wrap {
    min-height: 100vh;
    box-sizing: border-box;
}
.inner {
    margin: 0 auto;
    width: calc(100% - 8.889vw);
    height: 100%;
}

/* 인트로 페이지 */
.intro_wrap {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: calc(var(--vh, 1vh) * 100);
    background: #f0353c;
}
.intro_box h1 {
    margin-bottom: 13.333vw;
    text-align: center;
}
.intro_box h1 img {
    display: block;
    margin: 0 auto;
    width: 39.722vw;
}
.intro_box h1 span {
    display: block;
    margin-top: 5.556vw;
    font-size: 5.556vw;
    font-weight: 500;
    color: #fff;
}
.intro_box .center_ico {
    display: block;
    margin: 0 auto;
    width: 53.750vw;
}
.intro_box .intro_loading {
    margin: 14.583vw auto 0;
    width: 11.111vw;
}
.intro_box .intro_loading img {
    display: none;
}
.intro_box .intro_loading img.on {
    display: block;
}
.intro_wrap .copy {
    position: absolute;
    bottom: 13.889vw;
    left: 0;
    width: 100%;
    font-size: 3.889vw;
    font-weight: 500;
    color: #fff;
    text-align: center;
}

/* 
    back row
     - 백버튼 발생시 #wrap의 클래스명에 padding-top: 14.028vw 넣기
 */
.back_row {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    border-bottom: 1px solid #e7e7e7;
    background: #fff;
    z-index: 2;
}
.back_row h1 {
    font-size: 4.444vw;
    font-weight: 500;
    color: #000000;
    line-height: 13.889vw;
    text-align: center;
}
/* 화살표 아이콘 */
.back_row .back_btn {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 13.889vw;
    height: 13.889vw;
    background: url(../img/btn/btn_back.png) center center no-repeat;
    background-size: 4.444vw;
}
/* x 아이콘 */
.back_row .back_btn02 {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 13.889vw;
    height: 13.889vw;
    background: url(../img/btn/btn_back02.png) center center no-repeat;
    background-size: 3.889vw;
}