@font-face {
  font-family: 'KBO Dia Gothic';
  src: url('../fonts/KBO-Dia-Gothic.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
}

body {
  font-family: 'KBO Dia Gothic', sans-serif;
  background-color: #002561;
  color: white;
  margin: 0;
}

.main {
  position: relative;
  width: 100%;
  height: 100vh;
  padding-top: 100px;
  background-color: #002561;
}

.image-box {
  position: absolute;
  width: 35vw;
  height: 38vw;
  overflow: hidden;
  border-radius: 10px;
  background-color: #002561;
}

.image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 10px;
  
  opacity: 0;
  animation: fadeIn 2s ease forwards;
}

.image-box::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 10px;
  pointer-events: none;
  
  background: 
    linear-gradient(to top, #002561, transparent 10%),
    linear-gradient(to bottom, #002561, transparent 10%),
    linear-gradient(to left, #002561, transparent 10%),
    linear-gradient(to right, #002561, transparent 10%);
  
  z-index: 1;
}

@keyframes fadeIn {
  0% {
    opacity: 0;
    transform: scale(1.05);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.left {
  bottom: 5vh;
  left: 10vw;
}

.right {
  top: 15vh;
  right: 10vw;
}
@media (max-width: 768px) {
  .image-box {
    position: static;
    width: 80vw;
    height: auto;
    margin: 20px 0;
  }

  .image-box img {
    height: auto;
    object-fit: cover;
    opacity: 1;
  }

  .image-box::after {
    display: none;
  }

  .main {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 120px;
  }
}