:root{
  --pink:#ff9fc6;
  --sky:#a7d8ff;
  --mint:#89e0d3;
  --ivory:#fff7ef;
}

body{
  margin:0;
  font-family:'Nanum Gothic',sans-serif;
  background:linear-gradient(135deg,#ffeef4,#e9faff);
}

.bg-layer{
  position:fixed;
  inset:0;
  background:url("YOUR_LOG_BG_IMAGE.jpg") center/cover;
  opacity:.2;
  z-index:-1;
}

.window{
  max-width:900px;
  margin:40px auto;
  background:white;
  border-radius:20px;
  overflow:hidden;
  box-shadow:0 30px 60px rgba(0,0,0,.2);
}

.titlebar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:10px 15px;
  background:linear-gradient(90deg,#ffe3f0,#e0f6ff);
  font-family:'Cherry Bomb One',cursive;
}

.dot{
  width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:5px;
}
.pink{background:var(--pink);}
.sky{background:var(--sky);}
.mint{background:var(--mint);}

.home-btn{
  text-decoration:none;
  font-size:12px;
  background:white;
  padding:5px 10px;
  border-radius:10px;
  color:#333;
}

.banner{
  position:relative;
  height:220px;
  overflow:hidden;
}

.banner img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.log-container{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:15px;
}

.log-item{
  border-radius:15px;
  overflow:hidden;
  border:1px solid rgba(0,0,0,.08);
  background:var(--ivory);
}

.log-title{
  width:100%;
  padding:15px;
  border:none;
  background:white;
  display:flex;
  justify-content:space-between;
  font-weight:700;
  cursor:pointer;
  font-size:14px;
  color: var(--pink);
}

.log-content{
  max-height:0;
  overflow:hidden;
  transition:max-height .4s ease, padding .3s ease;
  padding:0 15px;
  font-size:10px;
  background:var(--ivory);
}

.log-content p{
  margin:15px 0;
  line-height:1.6;
}

.log-item.active .log-content{
  max-height:5000px;
  padding:10px 15px;
}

.log-item.active .arrow{
  transform:rotate(45deg);
}

.arrow{
  transition:.3s;
}

@media(max-width:768px){
  .banner{
    height:180px;
  }
}