<meta charset="utf-8">


.main_visual { height: 900px; width: 100%; overflow-x: hidden; position: relative; }
.main_visual .swiper { width: 100%; height: 900px; }
.main_visual .swiper-slide { background-position: center; background-size: cover; display: flex; align-items: center; justify-content: center; }
.main_visual .swiper-slide.slide1 { background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url(../img/main_banner_img01.jpg); }
.main_visual .swiper-slide.slide2 { background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url(../img/main_banner_img02.jpg); }
.main_visual .swiper-slide.video-slide, .main_visual .swiper-slide.youtube-slide { background-image: none; }
.main_visual .swiper-slide .visual-tit { color: #fff; position: absolute; bottom: 150px; left: 150px; text-align: left; z-index: 2; width: 80%; }
.main_visual .swiper-slide .title { overflow: hidden; display: block; font-weight: 500; line-height: 1.2; font-size: 3vw; margin-bottom: 20px; }
.main_visual .swiper-slide .description { overflow: hidden; display: block; font-size: 0.9vw; color: #fff; opacity: 0.8; }
.main_visual .swiper-slide .title span, .main_visual .swiper-slide .description span { display: block; transform: translateX(-100%); opacity: 0; }
.video-background { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; }
.video-slide::before, .youtube-slide::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.5); z-index: 1; }
.main_visual .nav-and-scroll { position: absolute; bottom: 50px; right: 150px; display: flex; align-items: center; z-index: 100; }
.main_visual .nav-buttons { display: flex; margin-right: 10px; }
.main_visual .swiper-button-next, .main_visual .swiper-button-prev { position: relative; width: 80px; height: 80px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, 0.2); background-color: transparent; transition: all ease 0.3s; margin: 0 5px; }
.main_visual .swiper-button-prev { background: url('../img/main_arrow01.png') no-repeat center; }
.main_visual .swiper-button-next { background: url('../img/main_arrow02.png') no-repeat center; }
.main_visual .swiper-button-prev::after, .main_visual .swiper-button-next::after { content: ''; }
.main_visual .swiper-button-prev:hover, .main_visual .swiper-button-next:hover { border-color: #fff; }
.main_visual .scroll_move { width: 80px; height: 80px; display: flex; justify-content: center; align-items: center; border-radius: 50%; background-color: rgba(255, 255, 255, 0.2); animation: moveUpDown 2s infinite; }
.main_visual .scroll_move .scroll_icon { font-size: 30px; color: #fff; line-height: 1; animation: bounce_frames 0.5s alternate infinite cubic-bezier(0.5, 0.05, 1, 0.5); }
@keyframes moveUpDown { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes bounce_frames { from { transform: translateY(0); } to { transform: translateY(5px); } }
@keyframes lineSlideIn { 0% { transform: translateX(-100%); opacity: 0; } 100% { transform: translateX(0); opacity: 1; } }
.main_visual .swiper-slide-active .title span { animation: lineSlideIn 0.8s ease forwards; }
.main_visual .swiper-slide-active .description span { animation: lineSlideIn 0.8s ease forwards; animation-delay: 0.4s; }

@media screen and (max-width: 768px) {
    .main_visual .swiper-slide .visual-tit { bottom: 100px; left: 20px; }
    .main_visual .swiper-slide .title { font-size: 8vw; }
    .main_visual .swiper-slide .description { font-size: 3.5vw; word-break: keep-all; line-height: 1.65; }
    .main_visual .nav-and-scroll { bottom: 10px; right: 10px; }
    .main_visual .swiper-button-next, .main_visual .swiper-button-prev, .main_visual .scroll_move { width: 50px; height: 50px; }
    .main_visual .scroll_move .scroll_icon { font-size: 16px; }
}

@media screen and (max-width: 480px) {
    .main_visual .swiper-slide .visual-tit { bottom: 80px; left: 15px; }
    .main_visual .nav-buttons { display: none; }
}


.main { background-image: url(../img/main_banner_img01.jpg); height: 100vh; width: 100%; background-size: cover  }

		
.container { max-width: 1600px; margin: 0 auto; padding: 20px; }

.post-list { margin: 150px auto; max-width: 1600px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 60px; }
.post-item { width: calc(50% - 30px); opacity: 1; transition: opacity 0.6s ease, transform 0.6s ease; }
.post-item.scroll-animate { opacity: 0; }
.post-item.visible { opacity: 1; transform: translateY(0); }
.post-item-inner { opacity: 0; transform: translateY(80px); transition: opacity 0.6s ease, transform 0.6s ease; }
.post-item-inner.visible { opacity: 1; transform: translateY(0); }
.post-image { overflow: hidden; position: relative; }
.post-image img { width: 100%; height: auto; display: block; transition: all 0.3s ease; }
.post-image::after { content: "daejeongspace"; pointer-events: none; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); color: white; display: flex; justify-content: center; align-items: center; font-size: 1.5em; font-weight: 500; opacity: 0; transition: opacity 0.3s ease; }
.post-image:hover::after { opacity: 1; }
.post-image:hover img { transform: scale(1.2); }
.post-title { margin: 15px 0 35px 0; font-size: 17px; font-weight: bold; text-align: center; }
.post-title a { text-decoration: none; color: #333; }
@media screen and (max-width: 992px) { 
    .post-list { gap: 30px; } 
    .post-item { width: calc(50% - 15px); margin-bottom: 30px; } 
}
@media screen and (max-width: 768px) { 
    .post-list { justify-content: center; gap: 0; } 
    .post-item { width: 100%; max-width: 480px; margin-bottom: 30px; } 
}