body, html {
  margin: 0;
  padding: 0;
  font-family: 'Arial', sans-serif;
  background-color: #111;
  color: #fff;
  height: 100%;
}


.container {
  width: 100%;
  max-width: 1920px;
  min-width: 1280px;
  margin: 0 auto;
}

.site-header {
  background-color: #2a0d46;
  text-align: center;
  padding: 40px 0;
}

.site-header .logo {
  height: 80px;
}

.flex-container {
  display: flex;
  height: 800px;
  overflow: hidden;
  padding: 0;
}

.flex-slide {
  flex: 1;
  background-size: cover;
  background-position: center;
  transition: flex 0.8s ease;
  position: relative;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  text-decoration: none;
}

.flex-about {
  display: block;
  opacity: 0;
  pointer-events: none;
  color: #fcfcfe;
  position: absolute; /* 위치 기준을 절대값으로 변경 */
  left: 50%;
  top: 70%;
  transform: translate(-50%, -50%); /* 정확히 중앙으로 이동 */
  max-width: 100%;
  font-size: 1.1vw;
  padding: 2%;
  border: 2px solid #f1f1f1;
  border-radius: 20px;
  line-height: 2.0;
  text-align: left;
  transition: all 500ms ease;
  writing-mode: horizontal-tb !important;
  white-space: normal;
  word-wrap: break-word;
}

.flex-slide.minipc:hover .flex-about {
  opacity: 1;
}
.flex-slide.ai:hover .flex-about {
  opacity: 1;
}
.flex-slide.about:hover .flex-about {
  opacity: 1;
}
.flex-slide.work:hover .flex-about {
  opacity: 1;
}
.flex-slide.contact:hover .flex-about {
  opacity: 1;
}

.flex-slide:hover {
  flex: 1.5; /* 너무 넓어지지 않게 */
}

.flex-title {
  filter: none;
  color: white;
  z-index: 2;
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%) rotate(0deg);
  font-size: 96px; /* doubled from 48px */
  font-weight: bold;
  color: b83840;
  text-decoration: none;
  transition: transform 0.5s ease;
  white-space: nowrap;
}

.flex-slide.work .flex-title {
  filter: none;
  color: b83840;
  z-index: 2;
  white-space: normal;
  line-height: 1.1;
  text-align: center;
}

.flex-slide:hover {
  flex: 2.5;
}

.flex-slide:hover .flex-title {
  filter: none;
  color: b83840;
  z-index: 2;
  transform: translateX(-50%) rotate(-90deg);
}

.flex-slide.minipc { background-image: url('./images/img11.jpg'); }
.flex-slide.ai { background-image: url('./images/img12.jpg'); }
.flex-slide.about { background-image: url('./images/img13.jpg'); }
.flex-slide.work { background-image: url('./images/img14.jpg');}
.flex-slide.contact { background-image: url('./images/img15.jpg'); }

footer {
  background-color: #2a0d46;
  text-align: center;
  padding: 20px 0;
}






/* 모든 슬라이드 흑백 처리 */
.flex-slide {
  filter: grayscale(70%);
}