body {
    margin: 0;
    color: #fff;
    font-family: 'Open+Sans', sans-serif;
    font-weight: 300;
}
a {
    text-decoration: none;
}

/* BG video */
.video_frame video {
    position: fixed;
    min-width: 100%;
    min-height: 100%;
    z-index: -1;
}

/* Heading */
.heading {
   position: absolute; 
   width: 700px;
   left: 100px;
   bottom: 100px;
   animation: showing1 2s 1s linear;
   animation-fill-mode: both;
}
.heading h1 {
    font-size: 60px;
    margin: 0;
    color: red;
}
.heading p {
    font-size: 1.2em;
    line-height: 1.5em;
}
.btn {
    background-color: #fff;
    color: #000;
    text-transform: uppercase;
    border: 2px solid #fff;
    padding: 5px 15px;
    border-radius: 20px;
    transition: 0.3s;
}
.btn:hover {
    background-color: #000;
    color: #fff;
    border-color: transparent;
}

/* Travel */
.Travel {
    position: absolute;
    right: 100px;
    bottom: 50px;
    color: #000;
    animation: showing2 2s 1s linear;
    animation-fill-mode: both;
}
.Travel em {
    display: block;
    font-style: normal;
    font-size: 26px;
    margin-bottom: -20px;
}
.Travel span {
    font-family: 'Monoton', sans-serif;
    font-size: 100px;
}

/* Trigger */
.trigger {
    width: 40px;
    height: 20px;
    position: absolute;
    right: 50px;
    top: 50px; 
    cursor: pointer;
    z-index: 100;
}
.trigger span {
    position: absolute;
    /* inline 요소이건  block요소이건 position-ab 이 들어가면 inlineblock 으로 바뀜 (크기값을 가질 수 있게됨) */
    width: 100%;
    height: 1px;
    background-color: #fff;
    transition: 0.3s;
}
.trigger span:nth-child(1) {
    top: 0;
}
.trigger span:nth-child(2) {
    top: 50%;
    width: 80%;
}
.trigger span:nth-child(3) {
    top: 100%;
}


.trigger.active span:nth-child(1) {
    top: 50%;
    transform: rotate(45deg);
}
.trigger.active span:nth-child(2) {
    opacity: 0;
}
.trigger.active span:nth-child(3) {
    top: 50%;
    transform: rotate(-45deg);
}

/* Modal GNB */
.modal_gnb {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.9);
    height: 100vh;
    width: 100%;
    top: 0;
    left: 0;
    display: none;
}
.gnb {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.gnb a {
    color: #fff;
    font-size: 50px;
    display: block;
    padding: 10px;
    font-family: 'Raleway', sans-serif;
    transition: 0.3s;
}

.gnb a:hover {
    color: #00a040;
}

@keyframes showing1 {
    0% {
        opacity: 0;
        margin-left: -100px;
    }
    100% {
        opacity: 1;
        margin-left: 0;
    }
}

@keyframes showing2 {
    0% {
        opacity: 0;
        margin-right: -100px;
    }
    100% {
        opacity: 1;
        margin-right: 0;
    }
}