/* SNS */
div.middle {
	display: flex;
	justify-content: center;
	align-items: center;
}
.sns_btn {
    display: inline-block;
    width: 4.5rem;
    height: 4.5rem;
    background-color: #f1f1f1;
    margin: 0 1rem;
    border-radius: 30%;
    color: #EBA444;
    overflow: hidden;
    position: relative;
    text-align: center;
}

.sns_btn:nth-child(1) {color: #2F3138;}
.sns_btn:nth-child(2) {color: #0A66C2;}
.sns_btn:nth-child(3) {color: #DA4536;}
.sns_btn:nth-child(4) {color: #553424;}
.sns_btn:nth-child(5) {color: #ff0000;}
.sns_btn:nth-child(6) {color: #2F3138;}

.sns_btn:nth-child(1)::before {background-color: #2F3138;}
.sns_btn:nth-child(2)::before {background-color: #0A66C2;}
.sns_btn:nth-child(3)::before {background-color: #DA4536;}
.sns_btn:nth-child(4)::before {background-color: #553424;}
.sns_btn:nth-child(5)::before {background-color: #ff0000;}
.sns_btn:nth-child(6)::before {background-color: #2F3138;}

.sns_btn i {
    line-height: 4.5rem;
    font-size: 2rem;
    transition: 0.2s linear;
}

.sns_btn:hover i {
    transform: scale(1.3);
    color: white;
}

.sns_btn::before{
    content: "";
    position: absolute;
    width: 120%;
    height: 120%;
    background-color: #EBA444;
    transform: rotate(45deg);
    left: -110%;
    top: 90%;
}

.sns_btn:hover::before {
    animation: car 0.7s 1;
    top: -10%;
    left: -10%;
}

@keyframes car {
    0% {
        left: -110%;
        top: 90%;
    }50% {
        left: 10%;
        top: -30%;
    }100% {
        top: -10%;
        left: -10%;
    }
}


/* HeartBeat Effect */
@keyframes heartBeat {
	from{
		transform: scale(1);
	}
	14% {
		transform: scale(1.3);
	}
	28% {
		transform: scale(1);
	}
	42% {
		transform: scale(1.3);
	}
	70% {
		transform: scale(1);
	}
}

/* Text에 밑줄 쳐지는 CSS 효과 */
.magicline:after {
	content: '';
	display: block;
	width: 0;
	height: 0.25rem;
	background-color: #506763;
	transition: width .3s;
}
.magicline:hover:after {
	width: 100%;
}

/* 판넬 3D CSS 효과*/
.layer {
	box-shadow: 0 0.4rem 1rem 0 rgba(0,0,0,0.2), 0 0.4rem 2rem 0 rgba(0,0,0,0.19)
}

/* 네비게이션 Blur CSS 효과 */
.ul_nav {
    margin: 0;
    padding: 1.5rem 0;
    display: flex;
    flex-direction: column;
}
.ul_nav li {
    list-style: none;
    margin: 0 2rem;
    transition: 0.5s;
}
.ul_nav li a {
    display: inline-block;
    position: relative;
    text-decoration: none;
    padding: 0.5rem;
    font-size: 1.5rem;
    font-family: sans-serif;
    color: #2F3138;
    text-transform: uppercase;
    transition: 0.5s;
}
.ul_nav:hover li a {
    opacity: .8;
}
.ul_nav li a:hover {
    opacity: 1;
    filter: blur(0);
    color: white;
}
.ul_nav li a:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(-70deg,#3cb371,#1e90ff);
    transition: transform .5s;
    transform-origin: right;
    transform: scaleX(0);
    z-index: -1;
}
.ul_nav li a:hover:before {
    transition: transform .5s;
    transform-origin: left;
    transform: scaleX(1);
}

/* CAROUSEL(Image Slider) */
.slider {
	height: 30rem;
	overflow: hidden;
}
.slides {
	width: 500%;
	height: 30rem;
	display: flex;
}
.slides > input {
	display: none;
}
.slide {
	width: 20%;
	transition: 2s;
	background-repeat: no-repeat;
	height: 30rem;
	background-position: center center;
	background-size: cover;
}

/* CSS for manual slide navigation */
.navigation-manual {
	position: absolute;
	width: 450px;
	margin: -20px auto 0;
	display: flex;
	justify-content: center;

}
.manual-btn {
	width: 25px;
	height: 3px;
	cursor: pointer;
	transition: 0.7s;
}

.manual-btn:not(:last-child) {
	margin-right: 8px;
}

.manual-btn:hover {
	background: #2F3138;
}

#radio1:checked ~ .first {
	margin-left: 0;
}
#radio2:checked ~ .first {
	margin-left: -20%;
}
#radio3:checked ~ .first {
	margin-left: -40%;
}
#radio4:checked ~ .first {
	margin-left: -60%;
}
#radio5:checked ~ .first {
	margin-left: -80%;
}

/* CSS for automatic navigation */
.navigation-auto {
	position: absolute;
	display: flex;
	width: 450px;
	justify-content: center;
	margin: 280px auto 0;
}
.navigation-auto div {
	background: #F1F1F1;
	width: 25px;
	height: 3px;
	cursor: pointer;
	transition: 0.7s;
}

.navigation-auto div:not(:last-child) {
	margin-right: 8px;
}

#radio1:checked ~ .navigation-auto .auto-btn1 {
	background: #2F3138;
}
#radio2:checked ~ .navigation-auto .auto-btn2 {
	background: #2F3138;
}
#radio3:checked ~ .navigation-auto .auto-btn3 {
	background: #2F3138;
}
#radio4:checked ~ .navigation-auto .auto-btn4 {
	background: #2F3138;
}
#radio5:checked ~ .navigation-auto .auto-btn5 {
	background: #2F3138;
}