/* http://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@100..900&family=Noto+Serif+KR:wght@200..900&display=swap');
html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}
body {
  line-height: 1;
}
ol,
ul {
  list-style: none;
}
blockquote,
q {
  quotes: none;
}
blockquote:before,
blockquote:after,
q:before,
q:after {
  content: '';
  content: none;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}

button {
}

html {
}
body {
}

:root {
  --min-width: 1600px; /* 이 값만 변경하면 전체 사이트 최소 너비가 변경됩니다 */
  --card-w: 260px;
  --card-h: 160px;
  --gap: 20px;
  --radius: 12px;
  --duration: 520ms;
  --easing: cubic-bezier(0.2, 0.8, 0.2, 1);
  --shadow: 0 10px 24px rgba(0, 0, 0, 0.12), 0 4px 10px rgba(0, 0, 0, 0.06);
  --bg: linear-gradient(180deg, #f7fbff, #eef4fb);
}
html {
  overflow-x: auto;
  overflow-y: hidden;
}
body {
  overflow-x: visible;
  overflow-y: hidden;
  font-family: 'Noto Sans KR', sans-serif;
  min-width: var(--min-width);
  width: 100%;
  height: 100vh;
  position: relative;
}
.wrap {
  min-width: var(--min-width);
  width: 100%;
  height: 100vh;
  position: relative;
}
img {
  max-width: 100%;
}

/* 로고 인트로 화면 */
#intro {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-width: var(--min-width);
  height: 100vh;
  background: white;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.8s ease;
}

#intro.fade-out {
  opacity: 0;
  pointer-events: none;
}

.intro-logo {
  opacity: 0;
  animation: fadeInLogo 1s ease forwards;
}

.intro-logo h1 {
}

.intro-logo img {
}

@keyframes fadeInLogo {
  to {
    opacity: 1;
  }
}

/* 비디오 섹션 */
#video-section {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-width: var(--min-width);
  height: 100vh;
  overflow: hidden;
  z-index: 100;
  display: none;
  opacity: 0;
  transition: opacity 1.5s ease, transform 0.8s ease;
}

#video-section.show {
  display: block;
  opacity: 1;
}

#video-section.slide-up {
  transform: translateY(-100%);
}

#bg-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.video-overlay {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: white;
  text-align: center;
  padding: 2rem;
}

.video-overlay .logo {
  margin-top: 120px;
  margin-bottom: 33px;
}
.video-overlay .txt-wrap {
  line-height: normal;
}
.video-overlay .txt-wrap .txt-1 {
  margin-bottom: 2.5px;
  font-family: 'Noto Serif KR', serif;
  font-size: 30px;
}
.video-overlay .txt-wrap .txt-2 {
  font-size: 22px;
}

/* PC에서 mobile-br 숨기기 (577px 이상) */
.video-overlay .txt-wrap .txt-2 .mobile-br {
  display: none;
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  animation: bounce 2s infinite;
}

.scroll-indicator::after {
  content: '↓';
  color: white;
  font-size: 2rem;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* 메인 컨테이너 */
#main-container {
  position: absolute;
  top: 100vh;
  left: 0;
  width: 100%;
  min-width: var(--min-width);
  height: 100vh;
  display: none;
  transition: top 0.8s ease, transform 0.8s ease;
}

#main-container.show {
  display: block;
  top: 0;
}

#main-container.slide-down {
  transform: translateY(100%);
}

/* 네비게이션 */
#nav-menu {
  position: absolute;
  left: 87px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.4s ease 0.2s;
}

#nav-menu.show {
  opacity: 1;
}

@media (max-width: 1800px) {
  #nav-menu {
    left: max(87px, calc(50vw - 900px + 87px));
  }
}
#nav-menu::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 6px;
  width: 2px;
  height: 444px;
  background-color: #919191;
}

.toplogo { 
  position: fixed; 
  top: 49px; 
  left: 80px; 
  z-index: 1001; 
  width: 162px; 
  height: 90px;
  cursor: pointer;
  pointer-events: auto;
  opacity: 0;
  transition: opacity 2s ease;
}

.toplogo[style*="display: block"] {
  opacity: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  margin-bottom: 55px;
  line-height: 1;
  cursor: pointer;
}
.nav-item:last-of-type {
  margin-bottom: 0;
}

.nav-dot {
  position: relative;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #919191;
  transition: all 0.3s;
  flex-shrink: 0;
}

.nav-dot.active {
  background: #f0473e;
}
.nav-dot.active::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 100%;
  height: 100%;
  background: #f0473e;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  pointer-events: none;
  animation: ripple 1.6s ease-out infinite;
}
@keyframes ripple {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.9;
  }
  70% {
    transform: translate(-50%, -50%) scale(2.6);
    opacity: 0.06;
  }
  100% {
    transform: translate(-50%, -50%) scale(3);
    opacity: 0;
  }
}

.nav-label {
  margin-left: 18px;
  font-size: 16px;
  font-weight: 500;
  color: #fff;
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease, background-color 0.5s ease;
  pointer-events: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  white-space: nowrap;
  padding: 0 20px;
  background-color: transparent;
  display: flex;
  align-items: center;
  line-height: 25px;
  height: 32px;
  border-radius: 50px;
}

/* txt-1과 txt-2를 겹쳐서 배치 */
.nav-label .txt-1,
.nav-label .txt-2 {
  display: block;
  transition: opacity 0.6s ease;
}

.nav-label .txt-1 {
  opacity: 1;
}

.nav-label .txt-2 {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
  width: 100%;
  text-align: center;
}

/* 일반 dot에 hover 시: 회색 배경 + 영어만 표시 */
.nav-dot:hover + .nav-label {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
  background-color: #919191;
}

/* 일반 dot hover 시에는 영어 그대로 유지 */
.nav-dot:hover + .nav-label .txt-1 {
  opacity: 1;
}
.nav-dot:hover + .nav-label .txt-2 {
  opacity: 0;
}

/* active 상태 스타일 - 회색 배경, 항상 표시 */
.nav-dot.active + .nav-label {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
  background-color: #919191;
}

/* active 상태일 때는 기본적으로 txt-1(영어) 표시 */
.nav-dot.active + .nav-label .txt-1 {
  opacity: 1;
}
.nav-dot.active + .nav-label .txt-2 {
  opacity: 0;
}

/* active 상태의 label에 hover 시: 빨간색 배경 + 영어→한글 천천히 전환 */
.nav-dot.active + .nav-label:hover {
  background-color: #f0473e;
}

.nav-dot.active + .nav-label:hover .txt-1 {
  opacity: 0;
}
.nav-dot.active + .nav-label:hover .txt-2 {
  opacity: 1;
}

/* 섹션 래퍼 */
.section-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-width: var(--min-width);
  height: 100vh;
  overflow: hidden;
  transition: transform 0.7s ease;
  z-index: 1;
}
.section-wrapper.slide-out-up {
  transform: translateY(-100%);
}
.section-wrapper.slide-in-down {
  transform: translateY(100%);
  z-index: 100;
}
.section-wrapper.active {
  transform: translateY(0);
  z-index: 10;
}

/* 서브 섹션 컨테이너 */
.sub-sections {
  position: absolute;
  width: 100%;
  min-width: var(--min-width);
  height: 100vh;
}

.sub-section {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-width: var(--min-width);
  height: 100vh;
  pointer-events: none !important;
  z-index: 1;
}

.sub-section.active {
  pointer-events: auto !important;
  z-index: 10 !important;
}

.sub-section.viewed {
  z-index: 5 !important;
}

/* 섹션 1, 2는 fade 방식 + z-index로 레이어 조정 */
#section1-wrapper .sub-section,
#section2-wrapper .sub-section {
  opacity: 0;
  transition: opacity 0.7s ease;
  z-index: 1;
}

#section1-wrapper .sub-section.active,
#section2-wrapper .sub-section.active {
  opacity: 1;
  z-index: 2;
}

/* 
#section2-wrapper {
  z-index: 999;
}
#section3-wrapper {
  z-index: 10000;
}
#section3-wrapper .sub-section.active {
  z-index: 10001;
} */

#section1-wrapper .sub-section,
#section2-wrapper .sub-section {
  background-size: cover;
  background-position: center;
}
#section2-wrapper .sub-section {
  background-color: #6c302a;
}

/* 섹션 3, 4, 5, 6은 슬라이드 방식 */
#section3-wrapper .sub-section,
#section4-wrapper .sub-section,
#section5-wrapper .sub-section,
#section6-wrapper .sub-section {
  transform: translateY(100%);
  transition: transform 0.7s ease;
  z-index: 1;
}

#section3-wrapper .sub-section.active,
#section4-wrapper .sub-section.active,
#section5-wrapper .sub-section.active,
#section6-wrapper .sub-section.active {
  transform: translateY(0);
  z-index: 10;
}

#section3-wrapper .sub-section.viewed,
#section4-wrapper .sub-section.viewed,
#section5-wrapper .sub-section.viewed,
#section6-wrapper .sub-section.viewed {
  transform: translateY(0);
  z-index: 5;
}

#section3-wrapper .sub-section.slide-down,
#section4-wrapper .sub-section.slide-down,
#section5-wrapper .sub-section.slide-down,
#section6-wrapper .sub-section.slide-down {
  transform: translateY(100%);
  pointer-events: none !important;
  z-index: 11 !important;
}

#section1-wrapper .sub-section .content {
  position: absolute;
  bottom: 108px;
  left: 187px;
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  line-height: 70px;
  letter-spacing: -2px;
  font-family: 'Noto Serif KR', serif;
  font-size: 44px;
  color: #fff;
}

#section1-wrapper .sub-section.animate .content {
  opacity: 1;
  transform: translateX(0);
}

#section1-wrapper .sub-section.fade-out .content {
  opacity: 0;
  transform: translateX(50px);
}

#section1-wrapper .sub-section-1 {
  background-image: url(../images/main_banner_1.png);
}
#section1-wrapper .sub-section-2 {
  background-image: url(../images/main_banner_2.png);
}
#section1-wrapper .sub-section-3 {
  background-image: url(../images/main_banner_3.png);
}
#section1-wrapper .sub-section-4 {
  background-image: url(../images/main_banner_4.png);
}
/* PC 전용 섹션 1-4 스타일 (577px 이상) */
@media (min-width: 577px) {
  /* 섹션1-1: PC에서 br 태그 숨김 (텍스트 한 줄 표시) */
  #section1-wrapper .sub-section-1 .txt-1 br {
    display: none;
  }
  
  /* 섹션1-2: PC에서 텍스트 두 줄 표시 */
  #section1-wrapper .sub-section-2 .content p {
    display: inline;
  }
  
  #section1-wrapper .sub-section-2 .content .txt-1::after {
    content: "\A";
    white-space: pre;
  }
  
  #section1-wrapper .sub-section-2 .content .txt-2:first-of-type::after {
    content: " ";
  }
  
  /* 섹션1-3: PC에서 텍스트 두 줄 표시 */
  #section1-wrapper .sub-section-3 .content p {
    display: inline;
  }
  
  #section1-wrapper .sub-section-3 .content .txt-1::after {
    content: "\A";
    white-space: pre;
  }
  
  #section1-wrapper .sub-section-3 .content .txt-2:first-of-type::after {
    content: " ";
  }
  
  #section1-wrapper .sub-section-4 .content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    bottom: auto;
    left: auto;
    width: 100%;
    height: 100vh;
  }

  #section1-wrapper .sub-section-4 .content .txt-1 {
    margin-bottom: 10px;
    font-size: 38px;
  }
  
  #section1-wrapper .sub-section-4 .content h2 {
    font-size: 60px;
  }
}

/* 섹션 2 스타일 및 애니메이션 */
#section2-wrapper .img-area {
  position: absolute;
  bottom: 0;
  left: 4.895833333333333%;
  opacity: 0;
  transform-origin: center bottom;
  transform: translateY(80px) scale(0.8);
  transition: opacity 1s ease 0.2s, transform 1s ease 0.2s;
  will-change: transform, opacity;
}

#section2-wrapper .sub-section.animate .img-area {
  opacity: 1;
  transform: translateY(0) scale(1);
}
#section2-wrapper .sub-section.animate .img-area img {
  vertical-align: bottom;
}

#section2-wrapper .txt-area {
  position: absolute;
  bottom: 210px;
  right: 7.03125%;
  color: #fff;
}

#section2-wrapper .txt-area h3 {
  line-height: 42px;
  margin-bottom: 45px;
  font-family: 'Noto Serif KR', serif;
  font-size: 32px;
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.8s ease 0.4s, transform 0.8s ease 0.4s;
}

#section2-wrapper .sub-section.animate .txt-area h3 {
  opacity: 1;
  transform: translateX(0);
}

#section2-wrapper .txt-area p {
  line-height: 28px;
  margin-bottom: 28px;
  font-size: 18px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#section2-wrapper .sub-section.animate .txt-area p:nth-of-type(1) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.6s;
}

#section2-wrapper .sub-section.animate .txt-area p:nth-of-type(2) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.8s;
}

#section2-wrapper .sub-section.animate .txt-area p:nth-of-type(3) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 1s;
}

/* 각 행 컨테이너 */
.card-area {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  min-height: 100vh;
}

.cards-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px;
  border-radius: 20px;
  transition: background-color 0.3s ease;
}

.cards-row {
  display: grid;
  gap: 20px;
  justify-content: center;
}

/* 상단 4개, 하단 5개 그리드 설정 */
.cards-row--top {
  grid-template-columns: repeat(4, minmax(0, 260px));
}
.cards-row--bottom {
  grid-template-columns: repeat(5, minmax(0, 260px));
}

/* 모바일에서는 grid 완전 비활성화 */
@media (max-width: 576px) {
  .cards-row {
    display: flex;
    gap: 0;
  }
  
  .cards-row--top,
  .cards-row--bottom {
    grid-template-columns: none;
  }
}

/* 카드 크기 제어: 각 셀 중앙 정렬 */
.cards-row .card {
  width: 260px;
  height: 334px;
  margin: 0 auto;
  perspective: 1100px;
  cursor: default;
  outline: none;
  -webkit-tap-highlight-color: transparent;
  opacity: 0;
  transform: translateY(50px) scale(0.8);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

/* 카드 등장 애니메이션 */
.cards-row .card.card-appear {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.cards-row .card-1 .card__face--front {
  background: url(../images/ciel_1.png);
}
.cards-row .card-2 .card__face--front {
  background: url(../images/ciel_2.png);
}
.cards-row .card-3 .card__face--front {
  background: url(../images/ciel_3.png);
}
.cards-row .card-4 .card__face--front {
  background: url(../images/ciel_4.png);
}
.cards-row .card-5 .card__face--front {
  background: url(../images/stone_1.png);
}
.cards-row .card-6 .card__face--front {
  background: url(../images/stone_2.png);
}
.cards-row .card-7 .card__face--front {
  background: url(../images/stone_3.png);
}
.cards-row .card-8 .card__face--front {
  background: url(../images/stone_4.png);
}
.cards-row .card-9 .card__face--front {
  background: url(../images/stone_5.png);
}

.cards-row .card__inner h3 {
  font-family: 'Noto Serif KR', serif;
  color: #fff;
}
.cards-row .card__face--front h3 {
  font-weight: 700;
  font-size: 134px;
}
.cards-row .card__inner p {
  font-size: 16px;
  color: #fff;
}
.cards-row .card__face--back h3 {
  position: relative;
  line-height: 36px;
  margin-bottom: 20px;
  font-size: 30px;
  text-align: center;
}
.cards-row .card__face--back p {
  position: relative;
}
/* 카드 내부 */
.card__inner {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: var(--radius);
  transform-style: preserve-3d;
  transition: transform var(--duration) var(--easing), box-shadow 220ms var(--easing);
  box-shadow: var(--shadow);
  background: transparent;
}

/* 뒤집힘 상태 */
.card.is-flipped .card__inner {
  transform: rotateY(180deg);
}

/* 얼굴 공통 */
.card__face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  color: #111;
  user-select: none;
}

/* 뒷면 스타일 */
.card__face--back {
  transform: rotateY(180deg);
  background: linear-gradient(135deg, #0f1724, #082032);
  color: #fff;
}
.card__face--back::before {
  content: '';
  position: absolute;
  inset: 0;
  filter: brightness(0.65);
}

.cards-row .card-1 .card__face--back::before {
  background: url(../images/ciel_1.png);
}
.cards-row .card-2 .card__face--back::before {
  background: url(../images/ciel_2.png);
}
.cards-row .card-3 .card__face--back::before {
  background: url(../images/ciel_3.png);
}
.cards-row .card-4 .card__face--back::before {
  background: url(../images/ciel_4.png);
}
.cards-row .card-5 .card__face--back::before {
  background: url(../images/stone_1.png);
}
.cards-row .card-6 .card__face--back::before {
  background: url(../images/stone_2.png);
}
.cards-row .card-7 .card__face--back::before {
  background: url(../images/stone_3.png);
}
.cards-row .card-8 .card__face--back::before {
  background: url(../images/stone_4.png);
}
.cards-row .card-9 .card__face--back::before {
  background: url(../images/stone_5.png);
}

/* PC 전용 섹션 3-2 스타일 (577px 이상) */
@media (min-width: 577px) {
  /* 섹션 3-2 초기 상태 */
  #section3-wrapper .sub-section .img-txt-wrap {
    opacity: 0;
    pointer-events: none;
  }

  #section3-wrapper .sub-section.revealed .img-txt-wrap {
    opacity: 1;
    pointer-events: auto;
  }

  #section3-wrapper .sub-section .img-txt-wrap .img-area {
    position: absolute;
    top: 0;
    left: 48px;
    width: 50%;
    height: 75%;
    transform: translateY(0);
  }

  #section3-wrapper .sub-section .img-txt-wrap .img-area .img-1 {
    position: absolute;
    top: -5%;
    left: 0;
    width: 880px;
    height: 600px;
    object-fit: cover;
    opacity: 0;
    transform: translateY(80px) scale(0.8);
    transition: opacity 1s ease 0.2s, transform 1s ease 0.2s;
    will-change: transform, opacity;
    z-index: 2;
  }

  #section3-wrapper .sub-section.revealed .img-txt-wrap .img-area .img-1 {
    opacity: 1;
    transform: translateY(0) scale(1);
  }

  #section3-wrapper .sub-section .img-txt-wrap .img-area .img-2 {
    position: absolute;
    bottom: calc(-5% - 105px);
    right: -10%;
    width: 630px;
    height: 430px;
    object-fit: cover;
    opacity: 0;
    transform: translateY(80px) scale(0.8);
    transition: opacity 1s ease 0.4s, transform 1s ease 0.4s;
    will-change: transform, opacity;
    z-index: 3;
  }

  #section3-wrapper .sub-section.revealed .img-txt-wrap .img-area .img-2 {
    opacity: 1;
    transform: translateY(0) scale(1);
  }

  #section3-wrapper .sub-section .img-txt-wrap .txt-area {
    position: absolute;
    right: 9.479166666666667%;
    bottom: 200px;
  }

  #section3-wrapper .img-txt-wrap .txt-area h3 {
    line-height: normal;
    margin-bottom: 45px;
    font-family: 'Noto Serif KR', serif;
    font-size: 32px;
    font-weight: 500;
    color: #e8402f;
    opacity: 0;
    transform: translateX(100px) scale(0.9);
    transition: opacity 0.8s ease 0.4s, transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.4s;
  }

  #section3-wrapper .sub-section.revealed .img-txt-wrap .txt-area h3 {
    opacity: 1;
    transform: translateX(0) scale(1);
  }

  #section3-wrapper .img-txt-wrap .txt-area .txt-wrap p {
    line-height: 28px;
    margin-bottom: 28px;
    font-size: 18px;
    color: #000;
    opacity: 0;
    transform: translateY(50px) translateX(30px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
  }

  #section3-wrapper .sub-section.revealed .img-txt-wrap .txt-area .txt-wrap p:nth-of-type(1) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.5s;
  }

  #section3-wrapper .sub-section.revealed .img-txt-wrap .txt-area .txt-wrap p:nth-of-type(2) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.7s;
  }

  #section3-wrapper .sub-section.revealed .img-txt-wrap .txt-area .txt-wrap p:nth-of-type(3) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.9s;
  }

  #section3-wrapper .sub-section.revealed .img-txt-wrap .txt-area .txt-wrap p:nth-of-type(4) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 1.1s;
  }

  #section3-wrapper .sub-section.revealed .img-txt-wrap .txt-area .txt-wrap p:nth-of-type(5) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 1.3s;
  }

  #section3-wrapper .sub-section.revealed .img-txt-wrap .txt-area .txt-wrap p:nth-of-type(6) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 1.5s;
  }
}

/* 반응형: 작은 화면에서 각 행의 컬럼 수 재조정 */
@media (max-width: 1100px) {
  .cards-row--top {
    grid-template-columns: repeat(4, minmax(160px, 1fr));
  }
  .cards-row--bottom {
    grid-template-columns: repeat(3, minmax(160px, 1fr));
  }
}

@media (max-width: 720px) {
  .cards-row--top {
    grid-template-columns: repeat(2, minmax(140px, 1fr));
  }
  .cards-row--bottom {
    grid-template-columns: repeat(2, minmax(140px, 1fr));
  }
  :root {
    --card-w: 100%;
    --card-h: 150px;
  }
  .cards-row .card {
    width: 100%;
  }
}

/* reduced-motion 처리 */
@media (prefers-reduced-motion: reduce) {
  .card__inner,
  .card__inner * {
    transition: none !important;
    transform: none !important;
  }
  .card:hover .card__inner {
    transform: none;
  }
}

#section4-wrapper .img-txt-wrap-1 {
  opacity: 0;
  pointer-events: none;
}

#section4-wrapper .sub-section.revealed .img-txt-wrap-1 {
  opacity: 1;
  pointer-events: auto;
}
#section4-wrapper .sub-section.active .img-txt-wrap-1 {
  opacity: 1;
  pointer-events: auto;
}

#section4-wrapper .img-txt-wrap-1 .img-area {
  position: absolute;
  bottom: 0;
  left: 0;
  opacity: 0;
  transform: translateY(80px) scale(0.8);
  transition: opacity 1s ease 0.2s, transform 1s ease 0.2s;
  will-change: transform, opacity;
}

#section4-wrapper .sub-section.revealed .img-txt-wrap-1 .img-area {
  opacity: 1;
  transform: translateY(0) scale(1);
}

#section4-wrapper .img-txt-wrap-1 .img-area img {
  vertical-align: bottom;
}

#section4-wrapper .img-txt-wrap-1 .txt-area {
  position: absolute;
  top: 50%;
  right: 10.78125%;
  width: 440px;
  transform: translateY(-50%);
}

#section4-wrapper .img-txt-wrap-1 .txt-area h3 {
  line-height: 42px;
  margin-bottom: 45px;
  font-family: 'Noto Serif KR', serif;
  font-size: 32px;
  font-weight: 500;
  color: #d22630;
  opacity: 0;
  transform: translateX(100px) scale(0.9) rotate(3deg);
  transition: opacity 0.9s ease 0.4s, transform 0.9s cubic-bezier(0.34, 1.56, 0.64, 1) 0.4s;
}

#section4-wrapper .sub-section.revealed .img-txt-wrap-1 .txt-area h3 {
  opacity: 1;
  transform: translateX(0) scale(1) rotate(0deg);
}

#section4-wrapper .img-txt-wrap-1 .txt-area .txt-wrap {
}

#section4-wrapper .img-txt-wrap-1 .txt-area .txt-wrap p {
  line-height: 28px;
  margin-bottom: 28px;
  font-size: 18px;
  color: #000;
  opacity: 0;
  transform: translateY(50px) scale(0.95);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#section4-wrapper .sub-section.revealed .img-txt-wrap-1 .txt-area .txt-wrap p:nth-of-type(1) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.5s;
}

#section4-wrapper .sub-section.revealed .img-txt-wrap-1 .txt-area .txt-wrap p:nth-of-type(2) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.7s;
}

#section4-wrapper .sub-section.revealed .img-txt-wrap-1 .txt-area .txt-wrap p:nth-of-type(3) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.9s;
}

/* 섹션 4-2 스타일 */
#section4-wrapper .img-txt-wrap-2 {
  opacity: 0;
  pointer-events: none;
}

#section4-wrapper .sub-section.revealed .img-txt-wrap-2 {
  opacity: 1;
  pointer-events: auto;
}
#section4-wrapper .sub-section.active .img-txt-wrap-2 {
  opacity: 1;
  pointer-events: auto;
}

#section4-wrapper .img-txt-wrap-2 .img-area {
  position: absolute;
  bottom: 0;
  left: 0;
  opacity: 0;
  transform: translateY(80px) scale(0.8);
  transition: opacity 1s ease 0.2s, transform 1s ease 0.2s;
  will-change: transform, opacity;
}

#section4-wrapper .sub-section.revealed .img-txt-wrap-2 .img-area {
  opacity: 1;
  transform: translateY(0) scale(1);
}

#section4-wrapper .sub-section.active .img-txt-wrap-2 .img-area {
  opacity: 1;
  transform: translateY(0) scale(1);
}

#section4-wrapper .img-txt-wrap-2 .img-area img {
  vertical-align: bottom;
}

#section4-wrapper .img-txt-wrap-2 .txt-area {
  position: absolute;
  top: 50%;
  right: 10.78125%;
  width: 440px;
  transform: translateY(-50%);
}

#section4-wrapper .img-txt-wrap-2 .txt-area h3 {
  line-height: 42px;
  margin-bottom: 45px;
  font-family: 'Noto Serif KR', serif;
  font-size: 32px;
  font-weight: 500;
  color: #d22630;
  opacity: 0;
  transform: translateX(120px) scale(0.85);
  transition: opacity 1s ease 0.5s, transform 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.5s;
}

#section4-wrapper .sub-section.revealed .img-txt-wrap-2 .txt-area h3 {
  opacity: 1;
  transform: translateX(0) scale(1);
}
#section4-wrapper .sub-section.active .img-txt-wrap-2 .txt-area h3 {
  opacity: 1;
  transform: translateX(0) scale(1);
}

#section4-wrapper .img-txt-wrap-2 .txt-area .txt-wrap {
}

#section4-wrapper .img-txt-wrap-2 .txt-area .txt-wrap p {
  line-height: 28px;
  margin-bottom: 28px;
  font-size: 18px;
  color: #000;
  opacity: 0;
  transform: translateY(60px) translateX(40px) scale(0.9);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#section4-wrapper .sub-section.revealed .img-txt-wrap-2 .txt-area .txt-wrap p:nth-of-type(1) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.5s;
}

#section4-wrapper .sub-section.revealed .img-txt-wrap-2 .txt-area .txt-wrap p:nth-of-type(2) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.7s;
}

#section4-wrapper .sub-section.revealed .img-txt-wrap-2 .txt-area .txt-wrap p:nth-of-type(3) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.9s;
}

#section4-wrapper .sub-section.revealed .img-txt-wrap-2 .txt-area .txt-wrap p:nth-of-type(4) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 1.1s;
}

#section4-wrapper .sub-section.active .img-txt-wrap-2 .txt-area .txt-wrap p:nth-of-type(1) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.5s;
}

#section4-wrapper .sub-section.active .img-txt-wrap-2 .txt-area .txt-wrap p:nth-of-type(2) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.7s;
}

#section4-wrapper .sub-section.active .img-txt-wrap-2 .txt-area .txt-wrap p:nth-of-type(3) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.9s;
}

#section4-wrapper .sub-section.active .img-txt-wrap-2 .txt-area .txt-wrap p:nth-of-type(4) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 1.1s;
}

#section4-wrapper .logo-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: #fff;
  pointer-events: none;
  display: none;
  transition: background 1.2s ease;
}

/* 섹션 4-3(세 번째 서브섹션)이 active일 때만 logo-wrap 표시 */
#section4-wrapper .sub-section:nth-child(3).active .logo-wrap {
  display: block;
}

#section4-wrapper .sub-section.gg {
  /* transition: transform 3s ease; */
}
#section4-wrapper .sub-section.revealed .logo-wrap {
  background: #000;
}
#section4-wrapper .logo-wrap .logo {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 427px;
  height: 94px;
  margin-top: -47px;
  margin-left: -213.5px;
}
#section4-wrapper .logo-wrap .logo-1 {
}
#section4-wrapper .logo-wrap .logo-2 {
  transition: all 0.8s ease;
  overflow: hidden;
  object-fit: cover;
  object-position: top;
  height: 0;
}
#section4-wrapper .logo-wrap .wooam-logo {
}
#section4-wrapper .sub-section.revealed .logo-wrap .logo-2 {
  height: 94px;
}
#section4-wrapper .graph-wrap {
  padding: 80px 0 0;
}
#section4-wrapper .graph-wrap h2 {
  opacity: 0;
  transform: translateY(-80px) scale(0.9);
  margin-bottom: 35px;
  font-family: 'Noto Serif KR', serif;
  font-size: 32px;
  color: #fff;
  text-align: center;
  line-height: 1.4;
  transition: opacity 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.7s, transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.7s;
}

/* PC에서만 제목("지속적인 혁신과 성장의 아이콘")와 부제("우암건설")사이 여백 추가 */
@media (min-width: 577px) {
  #section4-wrapper .graph-wrap h2 {
    line-height: 2.0;
  }
  
  #section4-wrapper .graph-wrap h2 .subtitle {
    display: inline-block;
    margin-bottom: 3px;
  }
}

#section4-wrapper .sub-section.revealed .graph-wrap h2 {
  opacity: 1;
  transform: translateY(0) scale(1);
}
#section4-wrapper .graph-wrap .graph-area {
  margin-bottom: 60px;
  text-align: center;
}

/* 그래프 이미지 애니메이션 */
#section4-wrapper .graph-wrap .graph-area img {
  width: 1132px;
  opacity: 0;
  clip-path: inset(0 100% 0 0);
  transform: translateX(-30px);
  transition: opacity 1s ease 1s, clip-path 1.8s cubic-bezier(0.65, 0, 0.35, 1) 1s, transform 1.8s cubic-bezier(0.34, 1.56, 0.64, 1) 1s;
}

#section4-wrapper .sub-section.revealed .graph-wrap .graph-area img {
  opacity: 1;
  clip-path: inset(0 0 0 0);
  transform: translateX(0);
}
#section4-wrapper .graph-wrap .download-area {
  text-align: center;
}

#section5-wrapper .content {
  display: flex;
  width: 100%;
  min-height: 100vh;
  padding: 145px 100px 0 180px;
}
#section5-wrapper .media {
  display: flex;
  gap: 40px;
  width: 100%;
}
#section5-wrapper .media .left {
}
#section5-wrapper .media .right {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding-left: 15%;
}
#section5-wrapper .media .title {
  color: #fff;
}
#section5-wrapper .media .title h2 {
  margin-bottom: 18px;
  font-size: 31px;
  margin-top: 20px;
  padding-left: 50px;
}
#section5-wrapper .media .title h2 span {
  display: block;
  line-height: 1;
  margin-top: -5px;
  font-size: 56px;
}

/* PC에서 모바일용 미디어 제목 숨기기 (577px 이상) */
@media (min-width: 577px) {
  #section5-wrapper .media-title {
    display: none;
  }
}
#section5-wrapper .media .title .sub-title {
  font-size: 16px;
}
#section5-wrapper h3 {
  margin-bottom: 25px;
  font-weight: 300;
  font-size: 34px;
  color: #fff;
}
#section5-wrapper .video-wrap {
  margin-bottom: 30px;
}
#section5-wrapper .video-area {
  display: flex;
  gap: 20px;
}
#section5-wrapper .video-area .video-item {
  position: relative;
}

#section5-wrapper .video-area .video-item .video-thumbnail {
  position: relative;
  width: 480px;
  height: 268px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: #000;
}

#section5-wrapper .video-area .video-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
  display: block;
  cursor: pointer;
  pointer-events: auto;
}

/* 이미지 썸네일 스타일 */
#section5-wrapper .video-area .video-item .video-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 비디오 오버레이 (재생 버튼 포함) */
#section5-wrapper .video-area .video-item .video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  opacity: 1;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 10;
}

/* 비디오 재생 중일 때 오버레이 숨기기 */
#section5-wrapper .video-area .video-item.playing .video-overlay {
  opacity: 0;
}

/* 재생 버튼 */
#section5-wrapper .video-area .video-item .play-button {
  transition: transform 0.3s ease;
}

#section5-wrapper .video-area .video-item .video-thumbnail:hover .play-button {
  transform: scale(1.1);
}

/* 모든 브라우저의 비디오 컨트롤 완전 제거 */
#section5-wrapper .video-area .video-item video::-webkit-media-controls {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
}

#section5-wrapper .video-area .video-item video::-webkit-media-controls-enclosure {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
}

#section5-wrapper .video-area .video-item video::-webkit-media-controls-panel {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
}

#section5-wrapper .video-area .video-item video::-webkit-media-controls-play-button {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
}

#section5-wrapper .video-area .video-item video::-webkit-media-controls-start-playback-button {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
}

#section5-wrapper .video-area .video-item video::-webkit-media-controls-overlay-play-button {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
}

#section5-wrapper .video-area .video-item video::-webkit-media-controls-overlay-enclosure {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
}

/* Firefox */
#section5-wrapper .video-area .video-item video::-moz-media-controls {
  display: none !important;
}

/* IE/Edge */
#section5-wrapper .video-area .video-item video::-ms-media-controls {
  display: none !important;
}

/* 비디오 로드 전 하얀 화면 방지 */
#section5-wrapper .video-area .video-item video::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  z-index: -1;
}

#section5-wrapper .video-area .video-item .txt {
  width: 480px;
  font-weight: 300;
  font-size: 18px;
  color: #fff;
  text-align: center;
}

#section5-wrapper .radio-wrap {
  margin-bottom: 75px;
}
#section5-wrapper .radio-area {
  display: flex;
  flex-direction: row;
  gap: 20px;
}
#section5-wrapper .radio-area .radio-item {
  width: 480px;
  max-width: 100%;
  padding: 0;
  background-color: transparent;
  border-radius: 0;
  position: relative;
}

/* 오디오 재생 버튼 스타일 추가 */
#section5-wrapper .radio-area .radio-item .play-button {
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 재생 아이콘 (▶) */
#section5-wrapper .radio-area .radio-item .play-button::before {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 16px;
  border-color: transparent transparent transparent rgba(255, 255, 255, 0.9);
}

/* 일시정지 아이콘 (||) */
#section5-wrapper .radio-area .radio-item .play-button.playing::before {
  width: 16px;
  height: 20px;
  border-left: 5px solid rgba(255, 255, 255, 0.9);
  border-right: 5px solid rgba(255, 255, 255, 0.9);
  border-top: none;
  border-bottom: none;
}

/* PC 오디오 프로그레스 영역 스타일 */
#section5-wrapper .radio-area .radio-item .progress-area {
  padding: 15px 20px;
  background-color: rgba(255, 255, 255, 0.05);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 10px;
  transition: all 0.3s ease;
  opacity: 0;
}

#section5-wrapper .radio-area .radio-item .progress-container {
  position: relative;
  height: 5px;
  background-color: #5a5a5a;
  border-radius: 2.5px;
  cursor: pointer;
  overflow: visible;
  margin-bottom: 10px;
}

#section5-wrapper .radio-area .radio-item .progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background-color: #fff;
  border-radius: 2.5px;
  width: 0;
  transition: width 0.1s linear;
}

#section5-wrapper .radio-area .radio-item .progress-handle {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%) translateX(-50%);
  width: 14px;
  height: 14px;
  background-color: #fff;
  border-radius: 50%;
  cursor: pointer;
  transition: left 0.1s linear;
}

#section5-wrapper .radio-area .radio-item .time-display {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: #999;
}

/* 라디오 제목 */
#section5-wrapper .radio-area .radio-item h3 {
  margin-bottom: 25px;
  font-weight: 300;
  font-size: 34px;
  color: #fff;
  text-align: center;
}

/* 플레이어 컨텐트 */
#section5-wrapper .radio-area .radio-item .player-content {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* 프로그레스 바 영역 */
#section5-wrapper .radio-area .radio-item .top-row {
  display: flex;
  align-items: center;
  gap: 12px;
  line-height: 0;
  height: 5px;
  margin-bottom: 8px;
}

/* 프로그레스 바 컨테이너 */
#section5-wrapper .radio-area .radio-item .progress-container {
  position: relative;
  flex: 1;
  height: 5px;
  background-color: #5a5a5a;
  border-radius: 2.5px;
  cursor: pointer;
  overflow: visible;
  margin-bottom: 0;
}

/* 프로그레스 바 */
#section5-wrapper .radio-area .radio-item .progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background-color: #fff;
  border-radius: 2.5px;
}

/* 프로그레스 핸들 */
#section5-wrapper .radio-area .radio-item .progress-handle {
  position: absolute;
  top: 50%;
  right: -7px;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  background-color: #fff;
  border-radius: 50%;
  cursor: pointer;
}

/* 시간 표시 및 재생 버튼 영역 */
#section5-wrapper .radio-area .radio-item .time-display {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: #999;
}

/* 재생/일시정지 버튼 - 시간 사이 가운데 배치 */
#section5-wrapper .radio-area .radio-item .play-btn {
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  padding: 0;
  flex-shrink: 0;
}

/* 재생 아이콘 (▶) */
#section5-wrapper .radio-area .radio-item .play-btn::before {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 12px 0 12px 20px;
  border-color: transparent transparent transparent rgba(255, 255, 255, 0.9);
  top: 50%;
  left: 50%;
  transform: translate(-35%, -50%);
}

/* 일시정지 아이콘 (||) */
#section5-wrapper .radio-area .radio-item .play-btn.pause::before {
  width: 16px;
  height: 24px;
  border-left: 6px solid rgba(255, 255, 255, 0.9);
  border-right: 6px solid rgba(255, 255, 255, 0.9);
  border-top: none;
  border-bottom: none;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* 프로그레스 바 */
#section5-wrapper .radio-area .radio-item .progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background-color: #fff;
  border-radius: 2.5px;
}

/* 프로그레스 핸들 */
#section5-wrapper .radio-area .radio-item .progress-handle {
  position: absolute;
  top: 50%;
  right: -7px;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  background-color: #fff;
  border-radius: 50%;
  cursor: pointer;
}

/* 시간 표시 */
#section5-wrapper .radio-area .radio-item .time-display {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: #999;
  padding-left: 26px;
}
#section5-wrapper .bizring-wrap {
  margin-bottom: 75px;
}
#section5-wrapper .bizring-wrap h3 {
  margin-bottom: 25px;
  text-align: center;
}
#section5-wrapper .bizring-area {
  display: flex;
  justify-content: flex-start;
}
#section5-wrapper .bizring-area .radio-item {
  width: 980px;
  max-width: 100%;
  padding: 0;
  background-color: transparent;
  border-radius: 0;
  position: relative;
}

/* Bizring 오디오 재생 버튼 스타일 */
#section5-wrapper .bizring-area .radio-item .play-button {
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 재생 아이콘 (▶) */
#section5-wrapper .bizring-area .radio-item .play-button::before {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 16px;
  border-color: transparent transparent transparent rgba(255, 255, 255, 0.9);
}

/* 일시정지 아이콘 (||) */
#section5-wrapper .bizring-area .radio-item .play-button.playing::before {
  width: 16px;
  height: 20px;
  border-left: 5px solid rgba(255, 255, 255, 0.9);
  border-right: 5px solid rgba(255, 255, 255, 0.9);
  border-top: none;
  border-bottom: none;
}

/* Bizring PC 오디오 프로그레스 영역 스타일 */
#section5-wrapper .bizring-area .radio-item .progress-area {
  padding: 15px 20px;
  background-color: rgba(255, 255, 255, 0.05);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 10px;
  transition: all 0.3s ease;
  opacity: 0;
}

#section5-wrapper .bizring-area .radio-item .progress-container {
  position: relative;
  height: 5px;
  background-color: #5a5a5a;
  border-radius: 2.5px;
  cursor: pointer;
  overflow: visible;
  margin-bottom: 10px;
}

#section5-wrapper .bizring-area .radio-item .progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background-color: #fff;
  border-radius: 2.5px;
  width: 0;
  transition: width 0.1s linear;
}

#section5-wrapper .bizring-area .radio-item .progress-handle {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%) translateX(-50%);
  width: 14px;
  height: 14px;
  background-color: #fff;
  border-radius: 50%;
  cursor: pointer;
  transition: left 0.1s linear;
}

#section5-wrapper .bizring-area .radio-item .time-display {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: #999;
}

/* 플레이어 컨텐트 */
#section5-wrapper .bizring-area .radio-item .player-content {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* 프로그레스 바 영역 */
#section5-wrapper .bizring-area .radio-item .top-row {
  display: flex;
  align-items: center;
  gap: 12px;
  line-height: 0;
  height: 5px;
  margin-bottom: 8px;
}

/* 프로그레스 바 컨테이너 */
#section5-wrapper .bizring-area .radio-item .progress-container {
  position: relative;
  flex: 1;
  height: 5px;
  background-color: #5a5a5a;
  border-radius: 2.5px;
  cursor: pointer;
  overflow: visible;
  margin-bottom: 0;
}

/* 프로그레스 바 */
#section5-wrapper .bizring-area .radio-item .progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background-color: #fff;
  border-radius: 2.5px;
}

/* 프로그레스 핸들 */
#section5-wrapper .bizring-area .radio-item .progress-handle {
  position: absolute;
  top: 50%;
  right: -7px;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  background-color: #fff;
  border-radius: 50%;
  cursor: pointer;
}

/* 시간 표시 및 재생 버튼 영역 */
#section5-wrapper .bizring-area .radio-item .time-display {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: #999;
}

/* 재생/일시정지 버튼 - 시간 사이 가운데 배치 */
#section5-wrapper .bizring-area .radio-item .play-btn {
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  padding: 0;
  flex-shrink: 0;
}

/* 재생 아이콘 (▶) */
#section5-wrapper .bizring-area .radio-item .play-btn::before {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 12px 0 12px 20px;
  border-color: transparent transparent transparent rgba(255, 255, 255, 0.9);
  top: 50%;
  left: 50%;
  transform: translate(-35%, -50%);
}

/* 일시정지 아이콘 (||) */
#section5-wrapper .bizring-area .radio-item .play-btn.pause::before {
  width: 16px;
  height: 24px;
  border-left: 6px solid rgba(255, 255, 255, 0.9);
  border-right: 6px solid rgba(255, 255, 255, 0.9);
  border-top: none;
  border-bottom: none;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* 프로그레스 바 */
#section5-wrapper .bizring-area .radio-item .progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background-color: #fff;
  border-radius: 2.5px;
}

/* 프로그레스 핸들 */
#section5-wrapper .bizring-area .radio-item .progress-handle {
  position: absolute;
  top: 50%;
  right: -7px;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  background-color: #fff;
  border-radius: 50%;
  cursor: pointer;
}

/* 시간 표시 */
#section5-wrapper .bizring-area .radio-item .time-display {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: #999;
  padding-left: 26px;
}

#section6-wrapper .news {
  display: flex;
  gap: 40px;
  width: 100%;
  min-height: 100vh;
  padding: 145px 100px 0 180px;
}
#section6-wrapper .news .left {
}
#section6-wrapper .news .right {
}
#section6-wrapper .news .title {
  color: #fff;
}
#section6-wrapper .news .title h2 {
  margin-bottom: 18px;
  font-size: 31px;
  margin-top: 20px;
  padding-left: 50px;
}
#section6-wrapper .news .title h2 span {
  display: block;
  line-height: 1;
  margin-top: -5px;
  font-size: 56px;
}
#section6-wrapper .news .title .sub-title {
  padding-left: 50px;
}
#section6-wrapper .news .slide-wrap {
  display: flex;
  gap: 60px;
}
#section6-wrapper .news .slide-wrap .swiper-btn-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: flex-end;
}
#section6-wrapper .news .slide-wrap .swiper-btn-position {
  display: flex;
  gap: 40px;
  align-items: center;
  margin-bottom: 30px;
}
#section6-wrapper .news .slide-wrap .swiper-pagination {
  position: static;
  width: auto;
  margin: 0;
  font-size: 18px;
  color: #fff;
  padding-left: 10px;
  padding-right: 30px;
  font-weight: 400;
  letter-spacing: 1px;
}

/* 커스텀 페이지네이션 스타일 */
#section6-wrapper .swiper-pagination .current-page {
  font-weight: 600;
  color: #fff;
}

#section6-wrapper .swiper-pagination .divider {
  margin: 0 8px;
  font-size: 14px;
  color: #999;
  font-weight: 300;
}

#section6-wrapper .swiper-pagination .total-page {
  font-weight: 300;
  color: #999;
}
#section6-wrapper .news .slide-wrap .swiper-button-prev {
  cursor: pointer;
  position: static;
  margin: 0;
  gap: 0;
  width: auto;
}
#section6-wrapper .news .slide-wrap .swiper-button-prev .swiper-navigation-icon {
  display: none;
}
#section6-wrapper .news .slide-wrap .swiper-button-next {
  cursor: pointer;
  position: static;
  margin: 0;
  gap: 0;
  width: auto;
}
#section6-wrapper .news .slide-wrap .swiper-button-next .swiper-navigation-icon {
  display: none;
}
#section6-wrapper .news .slide-wrap .swiper {
  width: 1060px;
}
#section6-wrapper .news .slide-wrap .swiper-wrapper {
}
#section6-wrapper .news .slide-wrap .swiper-slide {
  width: 500px;
  height: 660px;
  padding: 50px 60px 60px;
  background-color: #fff;
}
#section6-wrapper .news .slide-wrap .swiper-wrap {
  display: flex;
  flex-direction: column;
  height: 100%;
}
#section6-wrapper .news .slide-wrap .swiper-slide .top {
  flex-grow: 1;
}
#section6-wrapper .news .slide-wrap .swiper-slide .top h4 {
  line-height: 36px;
  margin-bottom: 35px;
  font-size: 26px;
  font-weight: 400;
  color: #000;
}
#section6-wrapper .news .slide-wrap .swiper-slide .top .txt {
  overflow-y: auto;
  max-height: 360px;
  font-size: 18px;
  line-height: normal;
  color: #000;
  display: -webkit-box;
  -webkit-line-clamp: 12;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}
#section6-wrapper .news .slide-wrap .swiper-slide .btm {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#section6-wrapper .news .slide-wrap .swiper-slide .btm .date {
  font-size: 18px;
  color: #a3a3a3;
}
#section6-wrapper .news .slide-wrap .swiper-slide .btm .more {
}
#section6-wrapper .news .slide-wrap .swiper-slide .btm .more a {
  text-decoration: none;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 170px;
  height: 60px;
  border: 2px solid #000;
  font-size: 20px;
  color: #000;
}

#section6-wrapper .pre-sale {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100vh;
  gap: 60px;
  padding: 0 100px;
}
#section6-wrapper .pre-sale h2 {
  font-size: 31px;
  font-weight: 700;
  color: #000;
  padding-left: 0;
}
#section6-wrapper .pre-sale .left {
  width: 770px;
  padding-left: 2px;
}
#section6-wrapper .pre-sale .right {
  overflow: hidden;
  width: 710px;
}

#section6-wrapper .pre-sale .left .top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 35px;
  margin-top: 45px;
}

#section6-wrapper .pre-sale .map-area {
  width: 100%;
  height: calc(100vh - 350px);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

#section6-wrapper .pre-sale .map-area img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
#section6-wrapper .pre-sale .swiper-btn-wrap {
  flex-shrink: 0;
}
#section6-wrapper .pre-sale .swiper-btn-wrap .swiper-btn-position {
  display: flex;
  align-items: center;
  gap: 40px;
}
#section6-wrapper .pre-sale .swiper-btn-wrap .swiper-button-prev-2 {
  cursor: pointer;
  flex-shrink: 0;
}
#section6-wrapper .pre-sale .swiper-btn-wrap .swiper-button-next-2 {
  cursor: pointer;
  flex-shrink: 0;
}
#section6-wrapper .pre-sale .swiper-btn-wrap .swiper-pagination-2 {
  margin-top: -6px;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 1px;
}

/* 분양 임대 커스텀 페이지네이션 스타일 */
#section6-wrapper .swiper-pagination-2 .current-page {
  font-weight: 600;
  color: #000;
}

#section6-wrapper .swiper-pagination-2 .divider {
  margin: 0 8px;
  font-size: 14px;
  color: #999;
  font-weight: 300;
}

#section6-wrapper .swiper-pagination-2 .total-page {
  font-weight: 300;
  color: #999;
}
#section6-wrapper .pre-sale .swiper-slide {
  cursor: pointer;
  display: flex;
  height: 273px !important;
}
#section6-wrapper .pre-sale .swiper-slide .img-area {
  opacity: 0.5;
  width: 422px;
  height: 273px;
  flex-shrink: 0;
  transition: opacity 0.3s ease;
  position: relative;
}
#section6-wrapper .pre-sale .swiper-slide:hover .img-area {
  opacity: 1;
}
#section6-wrapper .pre-sale .swiper-slide.selected .img-area {
  opacity: 1;
}
#section6-wrapper .pre-sale .swiper-slide .img-area img {
  width: 422px;
  height: 273px;
  object-fit: cover;
}

/* 돋보기 아이콘 스타일 */
#section6-wrapper .pre-sale .swiper-slide .img-area .magnifier-icon {
  position: absolute;
  top: 10px;
  left: 10px;
  width: 36px;
  height: 36px;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.2s ease;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

#section6-wrapper .pre-sale .swiper-slide:hover .img-area .magnifier-icon,
#section6-wrapper .pre-sale .swiper-slide.selected .img-area .magnifier-icon {
  opacity: 1;
}

#section6-wrapper .pre-sale .swiper-slide .img-area .magnifier-icon:hover {
  transform: scale(1.1);
  background-color: #fff;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.2);
}

/* SVG 돋보기 아이콘 */
#section6-wrapper .pre-sale .swiper-slide .img-area .magnifier-icon::before {
  content: '';
  width: 20px;
  height: 20px;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="%23333" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg>');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

/* 라이트박스 모달 스타일 */
.building-lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 99999;
  align-items: center;
  justify-content: center;
}

.building-lightbox-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  cursor: pointer;
}

.building-lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 90vh;
  z-index: 100000;
}

.building-lightbox-content img {
  max-width: 100%;
  max-height: 90vh;
  width: auto;
  height: auto;
  display: block;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
}

.building-lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 36px;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
  z-index: 100001;
}

.building-lightbox-close:hover {
  transform: scale(1.2);
}
#section6-wrapper .pre-sale .swiper-slide .txt-area {
  width: 288px;
  height: 273px;
  padding: 20px 20px;
  background-color: #e7e7e7;
  transition: background-color 0.3s ease;
  flex-shrink: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
#section6-wrapper .pre-sale .swiper-slide:hover .txt-area {
  background-color: #ffffff;
}
#section6-wrapper .pre-sale .swiper-slide.selected .txt-area {
  background-color: #ffffff;
}
#section6-wrapper .pre-sale .swiper-slide .txt-area .type {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  height: 30px;
  padding: 0 12px;
  margin-bottom: 12px;
  background-color: #d7d7d7;
  border-radius: 50px;
  font-size: 16px;
  color: #555;
  align-self: flex-start;
}
#section6-wrapper .pre-sale .swiper-slide .txt-area h4 {
  margin-bottom: 15px;
  padding-bottom: 12px;
  border-bottom: 1px solid #d7d7d7;
  font-size: 22px;
  font-weight: 500;
  color: #555;
}
#section6-wrapper .pre-sale .swiper-slide .txt-area .info {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
#section6-wrapper .pre-sale .swiper-slide .txt-area .info .item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  line-height: 1.5;
}
#section6-wrapper .pre-sale .swiper-slide .txt-area .info .item .left {
  width: 60px;
  flex-shrink: 0;
  font-weight: 400;
  font-size: 14px;
  color: #888;
}
#section6-wrapper .pre-sale .swiper-slide .txt-area .info .item .right {
  flex: 1;
  font-size: 14px;
  color: #333;
  word-break: keep-all;
  line-height: 1.5;
}

/* Footer 스타일 */
#footer {
  display: flex;
  align-items: center;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  min-width: var(--min-width);
  height: 400px;
  padding: 60px 145px 60px;
  background: #1a1a1a;
  color: #fff;
  transform: translateY(100%);
  transition: transform 0.8s ease;
  z-index: 10000;
}

#footer.show {
  transform: translateY(0);
}
#footer .logo-area {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0 60px;
  margin-right: 145px;
}
#footer .logo-area .logo-1 {
}
#footer .logo-area .logo-2 {
}
#footer address {
  padding: 20px 0 20px 150px;
  border-left: 1px solid #6d6d6d;
  font-style: normal;
  font-weight: 300;
}
#footer address .company {
  margin-bottom: 20px;
  font-size: 16px;
  color: #fff;
}
#footer address .address-wrap {
  margin-bottom: 85px;
  font-size: 16px;
  color: #fff;
}
#footer address .address-wrap .txt-1 {
  line-height: normal;
  margin-bottom: 10px;
}

/* PC에서 푸터 서울사무소 주소 한 줄 표시 (577px 이상) */
@media (min-width: 577px) {
  #footer address .address-wrap .txt-1 {
    white-space: nowrap;
  }
}
#footer address .address-wrap .txt-2 {
  line-height: normal;
}
#footer address .copyright {
  font-weight: 400;
  font-size: 15px;
  color: #6d6d6d;
}
#footer address .copyright .txt-1 {
  line-height: normal;
}
.fadein {
  opacity: 0;
  transition: opacity 1.5s ease;
}
.fadein.visible {
  opacity: 1;
}

.pointer { cursor: pointer; }

/* PC에서 mobile-only 콘텐츠 숨기기 */
#section4-wrapper .mobile-only {
  display: none;
}

/* PC 전용 섹션 4-1, 4-2 텍스트 위치 통일 및 여백 조정 (577px 이상) */
@media (min-width: 577px) {
  /* 4-1 제목 한 줄 표시 */
  #section4-wrapper .img-txt-wrap-1 .txt-area h3 br {
    display: none;
  }
  
  /* 4-1 텍스트 왼쪽 여백 0으로 설정 */
  #section4-wrapper .img-txt-wrap-1 .txt-area {
    padding-left: 0 !important;
  }
  
  /* 4-1, 4-2 텍스트 위치 동일하게 설정 */
  #section4-wrapper .img-txt-wrap-1 .txt-area,
  #section4-wrapper .img-txt-wrap-2 .txt-area {
    top: 50% !important;
    transform: translateY(-50%) !important;
  }
}

/* 데스크톱에서 mobile-play-btn 숨기기 (577px 이상) */
@media (min-width: 577px) {
  #section5-wrapper .radio-area .radio-item .mobile-play-btn,
  #section5-wrapper .bizring-area .radio-item .mobile-play-btn {
    display: none;
  }
  
  #section5-wrapper .radio-area .radio-item .desktop-play-btn,
  #section5-wrapper .bizring-area .radio-item .desktop-play-btn {
    display: block;
  }
}

/* 비디오 모달 스타일 */
.video-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 99999;
  align-items: center;
  justify-content: center;
}

.video-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  cursor: pointer;
}

.video-modal-content {
  position: relative;
  width: 90%;
  max-width: 1200px;
  z-index: 100000;
}

/* 모바일에서 비디오 수직 중앙 정렬 */
@media (max-width: 576px) {
  .video-modal-content {
    width: 95%;
    max-width: none;
  }
}

.video-modal-close {
  position: absolute;
  top: -50px;
  right: 0;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 40px;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
  z-index: 100001;
}

.video-modal-close:hover {
  transform: scale(1.2);
}

.video-modal-content video {
  width: 100%;
  height: auto;
  display: block;
  background: #000;
}