/* ============================================================
 * COMMON
 * ============================================================ */

/* temp */
.temp-img {
  overflow: hidden;
}

.temp-img img {
  width: 100%;
}

/* hero-sub
  ─────────────────────────────────────────── */
.sv {
  --sv-height: 850px;
  min-height: var(--sv-height);

  display: flex;
  flex-direction: column;
  justify-content: space-between;

  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  background-attachment: fixed;

  color: #fff;

  position: relative;
  z-index: 1;
}

.sv-title {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.sv-title h2 {
  font-size: 4.25rem;
  font-weight: 900;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.sv-title p {
  position: relative;
  font-size: 1.25rem;
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.05);
}

.sv-title p::after {
  content: "";
  position: absolute;
  top: calc(100% + 50px);
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 100px;
  background-color: #fff;
}

/* hero-sub Background Image
  ─────────────────────────────────────────── */
.sv-tech {
  background-image: url(/assets/img/sub/sv-tech.jpg);
}

.sv-mater {
  background-image: url(/assets/img/sub/sv-mater.jpg);
}

.sv-about {
  background-image: url(/assets/img/sub/sv-about.jpg);
  background-position: top center;
}

.sv-business {
  background-image: url(/assets/img/sub/sv-business.jpg);
}

.sv-product {
  background-image: url(/assets/img/sub/sv-product.jpg);
}

.sv-career {
  background-image: url(/assets/img/sub/sv-career.jpg);
}

/* hero-sub-list
  ─────────────────────────────────────────── */
.sv-list {
  background-color: rgba(0, 0, 0, 0.03);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.sv-tech .sv-list {
  background-color: rgba(0, 0, 0, 0.4);
}

.sv-list .inner {
  display: flex;
  justify-content: center;
}

.sv-list li {
  max-width: 400px;
  width: 100%;
  text-align: center;
  transition: all 0.3s;
}

.sv-list li a {
  display: block;
  width: 100%;
  padding: 20px 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.sv-list li.active {
  color: #002a71;
  background-color: #ffffff;
}

.sv-list li:not(.active):hover {
  background-color: rgba(255, 255, 255, 0.1);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

/* sub page design set (title/space etc.)
  ─────────────────────────────────────────── */
.tit-section {
  text-align: center;
  padding-top: 100px;
}

.tit-section .txt {
  display: block;
  font-size: 1.5rem;
  font-weight: 500;
  color: #666666;
  margin-bottom: 26px;
}

.tit-section .tit {
  font-size: 3.25rem;
  font-weight: 700;
}

.tit-section .tit-l {
  font-size: 4rem;
  font-weight: 900;
  line-height: 1.1;
  opacity: 0;
  letter-spacing: 20px;
  transition: opacity 0.9s ease, letter-spacing 0.9s ease;
}

/* 화면에 들어오면 1회 등장 (JS가 .show 부착) */
.tit-section .tit-l.show {
  opacity: 1;
  letter-spacing: 0;
}

.tit-section .tit span,
.tit-section .tit-l span {
  color: #002a71;
}

.tit-section .desc {
  margin-top: 50px;
  font-size: 1.25rem;
  line-height: 1.5;
  color: #4d4d4d;
}

/* ============================================================
 * Technology / Materials common
 * ============================================================ */
.tech-mater {
  color: #fff;
  background-color: #000;
}

.tech-mater .tit-section {
  margin-bottom: 50px;
}

.tech-mater .tit-section .txt {
  color: #0073c2;
}

.tech-mater .tit-section .tit span {
  color: #ffffff;
  display: block;
  font-size: .7em;
  font-weight: 400;
}

.tech-mater .tit-section .desc {
  color: #ffffff;
}

/* tech list temp
  ─────────────────────────────────────────── */
.tech-list-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 50px;
  padding-bottom: 200px;
}

.tech-list-img {
  flex: 1;
}

.tech-list-img img {
  width: 100%;
}

.tech-list {
  width: 30%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.tech-list li {
  border-radius: 999px;
  border: 1px solid #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-width: 220px;
  min-height: 80px;
  font-size: 1.125rem;
  line-height: 1.1;
  margin-right: 40px;
  transition: all 0.3s;
  cursor: pointer;
}

.tech-list li span {
  font-size: .9em;
}

.tech-list li:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

.tech-list li.active {
  background-color: rgba(255, 255, 255, 0.3);
}

/* 기본은 숨기고 active 한 개만 표시 */
.tech-content {
  display: none;
}

.tech-content.active {
  display: block;
}

.tech-content img {
  width: 100%;
}

/* ============================================================
 * ABOUT - vision.php
 * ============================================================ */
.vision-intro .tit-section {
  margin-bottom: 100px;
}

.vision-video {
  position: relative;
  z-index: 1;
}

.vision-video video {
  width: 100%;
}

.vision-video .content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 10px;
  color: #ffffff;
}

.vision-video .content h3 {
  font-size: 1.75rem;
  font-weight: 600;
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
}

.vision-video .content p {
  font-size: 2rem;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.vision-video .content div {
  font-size: 3rem;
  font-weight: 600;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.vision-greeting {
  position: relative;
  background-color: #f5f7f7;
  padding: 150px 0 200px;
}

.vision-greeting::after {
  content: "BEST VALUE INNOVATION";
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translateX(-50%);
  width: 1500px;
  font-size: 7.12rem;
  font-weight: 900;
  text-align: center;
  color: #ffffff;
}

.vision-greeting .content {
  display: flex;
  align-items: start;
  gap: 80px;
}

.greeting-text {
  flex: 1;
}

.greeting-text div {
  font-size: 3.25rem;
  font-weight: 300;
  line-height: 1.3;
  margin-bottom: 50px;
}

.greeting-text div strong {
  font-size: 3.875rem;
  font-weight: 700;
}

.greeting-text div b {
  font-weight: 600;
}

.greeting-text p {
  font-size: 1.375rem;
  line-height: 1.5;
  word-break: keep-all;
  color: #4d4d4d;
}

.greeting-text p b {
  font-weight: 700;
}

.greeting-img {
  display: flex;
  align-items: start;
  gap: 30px;
}

.greeting-img div {
  border-radius: 40px;
  overflow: hidden;
}

.greeting-img div:last-child {
  margin-top: 130px;
}

.vision-value {
  padding: 150px 0;
}

.vision-value-tit {
  text-align: center;
  margin-bottom: 60px;
}

.vision-value-tit h3 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.vision-value-tit div {
  font-size: 3rem;
  font-weight: 600;
}

.vision-value .content {
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.vision-value .content .row {
  grid-column: 1 / -1;
}

.vision-value .content img {
  width: 100%;
}

.vision-value .content li {
  border-radius: 40px;
  overflow: hidden;
  position: relative;
}

.vision-value-box {
  position: absolute;
  inset: 0;
  color: #ffffff;
  padding: 40px 50px;
  display: flex;
  flex-direction: column;
}

.vision-value-box span {
  align-self: flex-start;
  border: 1px solid #fff;
  border-radius: 999px;
  padding: 4px 18px;
  font-size: 1.125rem;
  font-weight: 300;
}

.vision-value-box div {
  margin-top: auto;
}

.vision-value-box h4 {
  font-size: 1.625rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.vision-value-box p {
  font-size: 1.25rem;
  font-weight: 300;
  margin-bottom: 14px;
}

/* ============================================================
 * ABOUT - history.php
 * ============================================================ */
.history {
  padding-bottom: 150px;
}

.history .tit-section {
  margin-bottom: 100px;
}

.history .content {
  position: relative;
}

.history .content::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  top: 30px;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  background-color: #e5e5e5;
}

.history-wrap {
  display: flex;
  justify-content: space-between;
  gap: 150px;
}

.history-wrap.reverse {
  flex-direction: row-reverse;
}

.history-img,
.history-list {
  flex: 1;
  padding-bottom: 200px;
}

.history-img {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.history-img span {
  position: relative;
  font-size: 2.125rem;
  font-weight: 800;
  color: #002a71;
}

.history-img span::after {
  content: "";
  position: absolute;
  right: -93px;
  top: 10px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 10px solid #e5e5e5;
  background-color: #fff;
}

.history-wrap.reverse .history-img span::after {
  left: -93px;
}

.history-img p {
  font-size: 3.125rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 30px;
}

.history-img div {
  border-radius: 40px;
  overflow: hidden;
}

.history-img img {
  width: 100%;
}

.history-year {
  margin-bottom: 80px;
}

.history-year .year {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 26px;
}

.history-month {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.history-month li {
  display: flex;
  gap: 10px;
  font-size: 1.375rem;
}

.history-month li span {
  min-width: 70px;
  font-weight: 800;
}

.history-month li p {
  position: relative;
  padding-left: 16px;
}

.history-month li p::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: #002a71;
}

/* ============================================================
 * ABOUT - rnd.php
 * ============================================================ */
.rnd {
  padding-bottom: 150px;
}

.rnd .tit-section {
  margin-bottom: 50px;
}

.rnd-tab {
  display: flex;
  gap: 20px;
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
  margin-bottom: 100px;
}

.rnd-tab li {
  flex: 1;
  color: #000;
  background-color: #eeeeee;
  border-radius: 10px;
  font-size: 1.125rem;
}

.rnd-tab li.active {
  color: #fff;
  background-color: #002a71;
  font-weight: 500;
}

.rnd-tab a {
  display: block;
  padding: 16px 0;
}

.rnd-table-wrap {
  max-width: 1250px;
  margin: 0 auto;
  margin-bottom: 100px;
}

.rnd-table-wrap:last-child {
  margin-bottom: 0;
}

.rnd-table-wrap h3 {
  font-size: 2.25rem;
  font-weight: 600;
  margin-bottom: 30px;
}

.rnd-table {
  width: 100%;
  border-collapse: collapse;
  border-top: 3px solid #002a71;
  font-size: 1.125rem;
  text-align: center;
}

.rnd-table th,
.rnd-table td {
  height: 65px;
  /* 콘텐츠 영역의 최소 높이 (상황에 맞춰 40~50px 조정) */
  vertical-align: middle;
}

.rnd-table th {
  color: #000000;
  background-color: #f7f7f7;
  font-size: 1.2rem;
  font-weight: bold;
  border-bottom: 1px solid #cccccc;
  border-right: 1px solid #cccccc;
}

.rnd-table td {
  color: #808080;
  border-bottom: 1px solid #cccccc;
  border-right: 1px solid #cccccc;
}

.rnd-table th:last-child,
.rnd-table td:last-child {
  border-right: none;
}

/* 첫 번째 열(번호) 너비 지정 */
.rnd-table th:nth-child(1),
.rnd-table td:nth-child(1) {
  width: 60px;
  color: #000000;
}

.rnd-projects th:nth-child(1),
.rnd-projects td:nth-child(1) {
  width: 180px;
}

.rnd-projects td:nth-child(1) {
  color: #808080;
}

/* 두 번째, 세 번째 열 너비 지정 */
.rnd-table th:nth-child(2),
.rnd-table td:nth-child(2),
.rnd-table th:nth-child(3),
.rnd-table td:nth-child(3) {
  min-width: 180px;
}

/* ============================================================
 * ABOUT - location.php
 * ============================================================ */
.location {
  padding-bottom: 150px;
}

.location .tit-section {
  margin-bottom: 50px;
}

.location-map {
  margin-bottom: 130px;
}

.location-map iframe {
  width: 100%;
  height: 600px;
  border: 0;
}

.location-logo img {
  height: 40px;
}

.location-list {
  margin-top: 30px;
  display: flex;
  justify-content: space-between;
}

.location-list li {
  flex: 1;
  padding: 40px 30px;
  border-top: 1px solid #666666;
  border-right: 1px solid #666666;
  min-height: 250px;
}

.location-list li:last-child {
  border-right: none;
}

.location-list div {
  font-size: 2rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
}

.location-list img {
  width: 40px;
}

.location-list p {
  margin-top: 50px;
  font-size: 1.5rem;
  color: #4d4d4d;
}

/* ============================================================
 * BUSINESS - business.php
 * ============================================================ */
.business-category-wrap {
  padding-bottom: 200px;
}

.business-category-wrap .tit-section {
  margin-bottom: 100px;
}

.business-category {
  display: flex;
}

.business-category li {
  max-height: 850px;
  flex: 1;
  overflow: hidden;
  position: relative;
}

.business-category li a {
  display: block;
}

.business-category li img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.3s;
}

.business-category li:hover img {
  transform: scale(1.08);
}

.business-category-text {
  color: #fff;
  position: absolute;
  left: 0;
  bottom: 70px;
  width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.business-category-text span {
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid #fff;
  padding: 4px 20px;
}

.business-category-text h3 {
  font-size: 2.25rem;
  font-weight: 600;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  margin-top: 22px;
}

.business-category-text p {
  font-size: 1.5rem;
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.1);
}

.business-category-text h3,
.business-category-text p {
  transition: transform 0.3s;
}

.business-category li:hover .business-category-text h3,
.business-category li:hover .business-category-text p {
  transform: translateY(-6px);
}

/* ============================================================
 * BUSINESS - business common
 * ============================================================ */
.busi .tit-section {
  margin-bottom: 100px;
}

.busi-video {
  height: 550px;
  overflow: hidden;
  position: relative;
}

.busi-video img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.busi-video ul {
  position: absolute;
  z-index: 1;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  max-width: 1000px;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 100px;
  color: #ffffff;
  font-size: 1.375rem;
}

.busi-card {
  padding: 150px 0 200px;
}

.busi-tab {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 0 auto;
  text-align: center;
  margin-bottom: 100px;
}

.busi-tab li {
  flex: 1;
  max-width: 250px;
  color: #808080;
  background-color: #f2f2f2;
  border-radius: 10px;
  font-size: 1.25rem;
  padding: 16px 0;
  cursor: pointer;
}

.busi-tab li.active {
  color: #fff;
  background-color: #002a71;
  font-weight: 500;
}

.busi-article {
  display: none;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.busi-article.active {
  display: grid;
  animation: busiFadeUp 0.5s ease both;
}

@keyframes busiFadeUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.busi-artimg {
  border-radius: 30px;
  overflow: hidden;
}

.busi-artimg img {
  width: 100%;
}

.busi-artxt {
  padding: 26px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.busi-artxt span {
  font-size: 1.5rem;
  font-weight: 500;
  color: #002a71;
}

.busi-artxt h3 {
  font-size: 2.25rem;
  font-weight: 600;
}

.busi-artxt ul li {
  position: relative;
  font-size: 1.5rem;
  line-height: 1.5;
  word-break: keep-all;
  padding-left: 26px;
  color: #4d4d4d;
}

.busi-artxt ul li::before {
  content: "";
  position: absolute;
  top: 13px;
  left: 2px;
  width: 7px;
  height: 7px;
  border: 2px solid #002a71;
}

/* ============================================================
 * PRODUCT - Product common
 * ============================================================ */
.product .tit-section {
  margin-bottom: 50px;
}

.product .tit-section .txt {
  color: #002a71
}

/* ============================================================
 * CAREER - career.php
 * ============================================================ */
.career .tit-section {
  margin-bottom: 50px;
}

/* ============================================================
 * CONTACT - inquiry.php
 * ============================================================ */
.inquiry .tit-section {
  margin-bottom: 50px;
  text-align: left;
}