/* 기본 변수 */
:root {
  --font-heading: "Barlow", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  --color-bg: #FFFFFF;
  --color-text: #000000;
  --color-muted: #777777;
  --color-footer-text: #FFFFFF;
  --color-footer-copyright: #FFF167;

  /* --page-max-width: 1440px; */
  --gutter: 20px;

  /* Footer variables */
  --footer-content-padding-top: 120px;
  --footer-column-gap: 40px;
  --footer-item-gap: 29px;
  --footer-label-text-gap: 7px;
  --footer-copyright-margin-top: -3px;
  --footer-label-font-size: 14px;
  --footer-text-font-size: 14px;
  --footer-copyright-font-size: 15px;
  --footer-text-height: 16px;
  --footer-min-height: 408px;
  --footer-min-height-tablet: 452px;
  --footer-col-margin-bottom: 46px;
  --footer-col-1-padding-top: 32px;
  --footer-item-margin-bottom-mobile: 22px;
  --bottom-image-width: 172px;
  --bottom-image-height: 168px;
}

/* RESET */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  background: #FFFFFF; /* 스크롤 바운스 시 배경색 */
  min-height: 100%;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.143;
  letter-spacing: -0.02em;
  /* 폰트 로딩 최적화 - 텍스트 깜빡임 방지 */
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* 폰트 로딩 중에도 일관된 렌더링 유지 */
  font-display: swap;
  /* 스크롤 바운스 방지 */
  overscroll-behavior-y: none;
  -webkit-overflow-scrolling: touch;
}

/* 기본 텍스트 선택 색상 (index 및 그 외 모든 페이지) */
::selection {
  background-color: #FFF167;
  color: #000000;
}

::-moz-selection {
  background-color: #FFF167;
  color: #000000;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* HEADER / NAV */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 20;
  border-bottom: 1px solid transparent;
  background: transparent;
  backdrop-filter: none;
  overscroll-behavior: none;
  -webkit-overflow-scrolling: touch;
}

.site-header__inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 30px;
}

.site-logo {
  display: inline-block;
  line-height: 0;
  transition: opacity 0.2s;
}

.site-logo:hover {
  opacity: 0.8;
}

.site-logo img {
  width: 494px;
  height: 89px;
}

/* 모바일 NAV - 기본적으로 숨김 */
.site-nav {
  position: fixed;
  left: 0;
  top: 0;
  width: 70%;
  height: 100vh;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  padding: 24px 20px 32px;
  z-index: 20;
  transform: translateX(-100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

.site-nav.is-open {
  transform: translateX(0);
}

/* 데스크탑: 네비게이션을 가로로 표시 */
@media (min-width: 900px) {
  .site-nav {
    position: static;
    display: flex;
    flex-direction: row;
    background: transparent;
    padding: 0;
    gap: 30px;
    top: auto;
    inset: auto;
    align-items: center;
    transform: none !important;
    width: auto;
    height: auto;
    box-shadow: none;
  }

  .nav-dim-overlay {
    display: none !important;
  }

  .nav-link {
    font-family: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 700;
    font-size: 23.23px;
    letter-spacing: 0.04em;
    color: var(--color-text);
    padding: 30px;
    border: none;
    margin: 0;
    margin-top: -8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s ease;
    text-align: center;
    text-transform: none;
    width: auto;
    height: auto;
    min-width: auto;
    position: relative;
    top: -8px;
  }

  .nav-link:hover {
    opacity: 0.7;
  }
}

.nav-link {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 700;
  font-size: 23.23px;
  letter-spacing: 0.04em;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 0;
  border: none;
  transition: opacity 0.2s ease;
  text-align: center;
  text-transform: none;
  width: 100%;
  margin-bottom: 0;
}

/* Proposal 페이지에서 proposal 링크 텍스트 색상 변경 */
.proposal-page .nav-link[href*="proposal"] {
  color: #FFF167;
}

/* About 페이지에서 about 링크 텍스트 색상 변경 */
.about-page .nav-link[href*="about"] {
  color: #81543F;
}

/* 햄버거 버튼 - 기본적으로 숨김 (모바일에서만 표시) */
.nav-toggle {
  border: none;
  background: transparent;
  display: block;
  padding: 0;
  cursor: pointer;
  z-index: 30;
}

@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle-icon {
  width: auto;
  height: 24px;
  display: block;
}

/* MAIN */
main {
  padding: 0;
  padding-top: 105px; /* 헤더 높이만큼 상단 여백 추가 (로고 높이 89px + padding 8px * 2 = 105px) */
  min-height: calc(100vh - 163px);
}

/* GALLERY SECTION */
.gallery-section {
  max-width: var(--page-max-width);
  margin: 0 auto;
  margin-left: 20px;
  margin-right: 20px;
  padding: 0;
  padding-top: 80px;
  padding-bottom: 12px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  column-gap: 8px;
  row-gap: 8px;
  grid-auto-rows: auto;
}

.gallery-item {
  overflow: hidden;
  background: var(--color-bg);
  width: 100%;
  position: relative;
  cursor: pointer;
  display: block;
  text-decoration: none;
  color: inherit;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.6s ease-in-out, border-radius 0.6s ease-in-out;
  transform: scale(1);
  border-radius: 0;
}

/* 스크롤 시 이미지 scale 및 모서리 라운드 */
/* 연속 스크롤: scale 0.93 */
.gallery-item.is-scrolled-continuous img {
  transform: scale(0.93);
  border-radius: 12px;
}

/* 짧은 스크롤: scale 0.96 */
.gallery-item.is-scrolled-short img {
  transform: scale(0.96);
  border-radius: 12px;
}

/* 이미지 비율 클래스 - 실제 이미지 파일 크기에 맞춤 */
/* 작은 이미지: 344x366 */
.gallery-item--ratio-344-366 {
  aspect-ratio: 344 / 366;
}

/* 큰 이미지: 696x366 */
.gallery-item--ratio-696-366 {
  aspect-ratio: 696 / 366;
}

/* 큰 이미지는 2열 차지 */
.gallery-item--large {
  grid-column: span 2;
}

/* 작은 이미지는 1열 */
.gallery-item--small {
  grid-column: span 1;
}

/* 데스크탑에서 큰 이미지 배치 조정 */
@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
    column-gap: 8px;
    row-gap: 8px;
  }


}

/* BOTTOM IMAGE - 첫 번째 컬럼 내부 */
.bottom-image-wrapper {
  position: relative;
  width: var(--bottom-image-width);
  height: var(--bottom-image-height);
  margin-bottom: 0;
  margin-top: 0;
}

.bottom-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* FOOTER */
.site-footer {
  position: relative;
  margin-top: 0;
}

.footer-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

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

.site-footer__inner {
  position: relative;
  z-index: 1;
  max-width: 100%;
  margin: 0 auto;
  padding: 0;
  color: var(--color-footer-text);
  min-height: var(--footer-min-height);
  width: 100%;
}

.footer-content {
  position: relative;
  padding-top: var(--footer-content-padding-top);
  margin-bottom: 0;
  display: flex;
  align-items: flex-start;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  padding-left: clamp(20px, calc((100vw - 1440px) / 2 + 520px), 520px);
  padding-right: clamp(20px, calc((100vw - 1440px) / 2 + 520px), 520px);
  justify-content: flex-start; /* 좌측 정렬 기준 */
  gap: clamp(20px, 6.94vw, 100px); /* bottom-image.svg와 프로젝트 협업문의 텍스트 간격 가변 (1440px 기준 100px) */
}

/* 웹뷰에서 footer-bg.svg 기준으로 중앙 정렬 */
@media (min-width: 900px) {
  .footer-content {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
  }
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  align-items: flex-start;
}

.footer-center {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  align-items: flex-start;
  margin-left: 0; /* gap으로 간격 처리 */
}


.footer-items-row {
  display: flex;
  flex-direction: row;
  gap: 0;
  align-items: flex-start;
  position: relative;
  margin-top: 80px; /* footer-copyright(16px top + 높이) + 64px 간격 */
}

.footer-items-row .footer-item:nth-child(1) {
  margin-left: 0; /* 프로젝트 협업 문의 */
}

.footer-items-row .footer-item:nth-child(2) {
  margin-left: clamp(20px, 6.94vw, 100px); /* 프로젝트 협업문의와 스토어 상품문의 텍스트 간격 가변 (1440px 기준 100px) */
}

.footer-items-row .footer-item:nth-child(3) {
  margin-left: clamp(20px, 6.94vw, 100px); /* 스토어 상품문의와 인스타그램 텍스트 간격 가변 (1440px 기준 100px) */
}

.footer-right {
  display: none; /* 더 이상 사용하지 않음 */
}

.footer-label,
.footer-text {
  text-align: left;
}

.footer-title {
  display: none;
}

.footer-item {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 0;
}

.footer-item .footer-label {
  margin-bottom: var(--footer-label-text-gap);
}

.footer-items-row .footer-item {
  margin-bottom: 0;
}

.footer-label {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--footer-label-font-size);
  line-height: 1.1428571428571428em;
  letter-spacing: -0.02em;
  margin: 0;
  text-align: left;
  height: var(--footer-text-height);
}

.footer-text {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: var(--footer-text-font-size);
  line-height: 1.1428571428571428em;
  letter-spacing: 0.01em;
  margin: 0;
  text-align: left;
  height: var(--footer-text-height);
}

.footer-text a {
  text-decoration: none !important; /* 모바일 브라우저 기본 밑줄도 제거 */
}

.footer-copyright {
  position: absolute;
  top: 16px; /* 기본 위치 */
  left: 0;
  text-align: left;
  margin: 0;
  width: auto;
  margin-bottom: 0;
}

/* 웹뷰에서만 copyright 텍스트 10px 아래로 */
@media (min-width: 900px) {
  .footer-copyright {
    top: 26px; /* 16px + 10px = 26px */
  }
}

.footer-copyright p {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 16px;
  line-height: 1em;
  letter-spacing: 0.04em;
  color: var(--color-footer-copyright);
  margin: 0;
}

/* 반응형 - 태블릿 */
@media (max-width: 1200px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    column-gap: 8px;
    row-gap: 8px;
  }

  .gallery-item--large {
    grid-column: span 2;
  }

  .site-footer__inner {
    padding: 0;
    min-height: var(--footer-min-height-tablet);
  }

  .footer-content {
    position: relative;
    padding-top: 80px; /* footer-bg.svg 상단에서 80px 아래 */
    padding-left: var(--gutter);
    padding-right: var(--gutter);
    flex-direction: column;
    gap: var(--footer-col-margin-bottom);
  }

  .footer-left,
  .footer-center,
  .footer-right {
    margin-bottom: 0;
    margin-left: 0 !important;
  }

  .footer-left:last-child,
  .footer-center:last-child,
  .footer-right:last-child {
    margin-bottom: 0;
  }

  .footer-left {
    order: 2; /* footer-left를 마지막에 배치 (오른쪽 밑) */
    margin-top: auto; /* 하단 정렬 */
    align-self: flex-end; /* 오른쪽 정렬 */
    margin-bottom: 40px; /* footer-bg.svg 하단에서 40px 위 */
  }

  .footer-left .bottom-image-wrapper {
    display: block;
    margin-left: auto; /* 오른쪽 정렬 */
    width: calc(var(--bottom-image-width) * 0.7); /* 70% 크기 */
    height: calc(var(--bottom-image-height) * 0.7); /* 70% 크기 */
  }

  .footer-center {
    order: 1; /* footer-center를 먼저 배치 */
  }

  .footer-items-row {
    flex-direction: column;
    gap: 12px; /* 간격 좁히기 (기존 22px에서 12px로) */
    margin-top: 0;
  }

  .footer-items-row .footer-item {
    margin-left: 0 !important;
    margin-bottom: 0;
  }

  .footer-items-row .footer-item:nth-child(1) {
    margin-top: 12px; /* 프로젝트 협업문의 텍스트 12px 아래로 이동 */
  }

  .footer-items-row .footer-item:not(:last-child) {
    margin-bottom: 12px; /* 간격 좁히기 (기존 22px에서 12px로) */
  }

  .footer-center .footer-item:first-child {
    margin-bottom: 12px; /* 간격 좁히기 (기존 22px에서 12px로) */
  }

  .footer-copyright {
    position: relative;
    text-align: left;
    top: auto;
    margin-top: 0;
    margin-bottom: 12px; /* 간격 좁히기 (기존 22px에서 12px로) */
  }

  .footer-copyright p {
    font-size: var(--footer-label-font-size);
  }
}

@media (max-width: 768px) {
  .gallery-section {
    padding-top: 15px;
    padding-left: 0;
    padding-right: 0;
    margin-left: 20px;
    margin-right: 20px;
  }

  /* 모바일(iPhone 등)에서도 썸네일 2개(작은 비율) / 1개(가로 긴 비율) 레이아웃 유지 */
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 8px;
    row-gap: 8px;
  }

  .gallery-item--small {
    grid-column: span 1;
  }

  .gallery-item--large {
    grid-column: span 2;
  }

  .site-header__inner {
    padding: 20px 20px 16px;
  }

  .site-logo img {
    width: 260px;
    height: auto;
  }

  /* 모바일: 햄버거 버튼 표시 */
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    top: 0;
    padding-top: 100px; /* 헤더 높이만큼 상단 패딩 */
  }

  /* Dim 배경 - 전체 화면 */
  .nav-dim-overlay {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 15;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
  }

  .nav-dim-overlay.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-link {
    font-family: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 700;
    font-size: 28px;
    letter-spacing: 0.04em;
    padding: 16px 0;
    border: none;
    width: 100%;
    height: auto;
    min-width: auto;
    justify-content: flex-start;
    text-transform: none;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 8px;
    row-gap: 8px;
  }

  /* 모바일: 작은 이미지는 1열, 큰 이미지는 전체 너비 */
  .gallery-item--small {
    grid-column: span 1 !important;
  }

  .gallery-item--large {
    grid-column: 1 / -1 !important;
    width: 100% !important;
  }

  .site-footer__inner {
    padding: 0;
    min-height: var(--footer-min-height-tablet);
  }

  .footer-content {
    position: relative;
    padding-top: 80px; /* footer-bg.svg 상단에서 80px 아래 */
    padding-left: var(--gutter);
    padding-right: var(--gutter);
    flex-direction: column;
    gap: var(--footer-col-margin-bottom);
  }

  .footer-left,
  .footer-center,
  .footer-right {
    margin-bottom: 0;
    margin-left: 0 !important;
  }

  .footer-left:last-child,
  .footer-center:last-child,
  .footer-right:last-child {
    margin-bottom: 0;
  }

  .footer-left {
    order: 2; /* footer-left를 마지막에 배치 (오른쪽 밑) */
    margin-top: auto; /* 하단 정렬 */
    align-self: flex-end; /* 오른쪽 정렬 */
    margin-bottom: 40px; /* footer-bg.svg 하단에서 40px 위 */
  }

  .footer-left .bottom-image-wrapper {
    display: block;
    margin-left: auto; /* 오른쪽 정렬 */
    width: calc(var(--bottom-image-width) * 0.7); /* 70% 크기 */
    height: calc(var(--bottom-image-height) * 0.7); /* 70% 크기 */
  }

  .footer-center {
    order: 1; /* footer-center를 먼저 배치 */
  }

  .footer-items-row {
    flex-direction: column;
    gap: 12px; /* 간격 좁히기 (기존 22px에서 12px로) */
    margin-top: 0;
  }

  .footer-items-row .footer-item {
    margin-left: 0 !important;
    margin-bottom: 0;
  }

  .footer-items-row .footer-item:nth-child(1) {
    margin-top: 12px; /* 프로젝트 협업문의 텍스트 12px 아래로 이동 */
  }

  .footer-items-row .footer-item:not(:last-child) {
    margin-bottom: 12px; /* 간격 좁히기 (기존 22px에서 12px로) */
  }

  .footer-center .footer-item:first-child {
    margin-bottom: 12px; /* 간격 좁히기 (기존 22px에서 12px로) */
  }

  .footer-copyright {
    position: relative;
    text-align: left;
    top: auto;
    margin-top: 0;
    margin-bottom: 12px; /* 간격 좁히기 (기존 22px에서 12px로) */
  }

  .footer-copyright p {
    font-size: var(--footer-label-font-size);
  }

  .footer-title {
    display: none;
  }
}

/* PROPOSAL PAGE */
.proposal-page {
  background-color: #81543F;
}

/* Proposal 페이지에서 텍스트 선택 시 배경색 */
.proposal-page ::selection {
  background-color: #FFF167;
  color: #000000;
}

.proposal-page ::-moz-selection {
  background-color: #FFF167;
  color: #000000;
}

/* About 페이지에서 텍스트 선택 시 배경색 */
.about-page ::selection {
  background-color: #81543F;
  color: #FFFFFF;
}

.about-page ::-moz-selection {
  background-color: #81543F;
  color: #FFFFFF;
}

.proposal-main {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0;
  min-height: calc(100vh - 163px);
}

.proposal-container {
  max-width: 100%;
  margin: 0 auto;
  margin-left: 20px;
  margin-right: 20px;
  padding: 160px 0 120px;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0;
  column-gap: 88px;
  align-items: start;
}

.proposal-intro {
  grid-column: 1 / 5; /* 4개 컬럼 사용 */
  padding-top: 0;
  margin-left: 0;
  margin-right: 60px; /* 본문 텍스트 필드를 60px 줄임 */
}

.proposal-intro-text {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 600;
  font-size: 30px;
  line-height: 1.4em;
  letter-spacing: -0.02em;
  color: #000000;
  margin: 0;
}

.proposal-form {
  grid-column: 5 / 9; /* 4개 컬럼 사용 */
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-left: 0; /* 왼쪽 정렬 - 본문과 88px 거리 유지 (column-gap으로 설정) */
  margin-right: 20px; /* 오른쪽 마진 20px 유지 */
}

.proposal-form-title {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 600;
  font-size: 30px;
  line-height: 1.4em;
  letter-spacing: -0.02em;
  color: #000000;
  margin: 0 0 0 0; /* 좌측 텍스트와 동일한 위치 */
  padding: 0;
}

.form-group {
  margin-bottom: 0;
  position: relative;
}

.form-group:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background-color: #000000;
}

.form-label {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 600;
  font-size: 24px;
  line-height: 1.6666666666666667em;
  letter-spacing: -0.02em;
  color: #000000;
  display: block;
  margin-bottom: 15px;
  padding-top: 30px;
}

.form-input,
.form-textarea {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 500;
  font-size: 24px;
  line-height: 1.5555555555555556em;
  letter-spacing: -0.02em;
  color: rgba(0, 0, 0, 0.3);
  background: transparent;
  border: none;
  width: 100%;
  padding: 0 0 15px;
  margin-bottom: 45px;
  outline: none;
}

/* 브라우저 autofill 배경색 제거 */
.form-input:-webkit-autofill,
.form-input:-webkit-autofill:hover,
.form-input:-webkit-autofill:focus,
.form-input:-webkit-autofill:active,
.form-textarea:-webkit-autofill,
.form-textarea:-webkit-autofill:hover,
.form-textarea:-webkit-autofill:focus,
.form-textarea:-webkit-autofill:active {
  -webkit-box-shadow: 0 0 0 30px transparent inset !important;
  -webkit-text-fill-color: rgba(0, 0, 0, 0.3) !important;
  background-color: transparent !important;
  background: transparent !important;
  transition: background-color 5000s ease-in-out 0s;
}

.form-input:focus,
.form-textarea:focus {
  color: #000000;
}

.form-input:not(:placeholder-shown),
.form-textarea:not(:placeholder-shown),
.form-input:not(:placeholder-shown):focus,
.form-textarea:not(:placeholder-shown):focus {
  color: #000000 !important;
}

/* autofill 상태에서도 텍스트 색상 유지 */
.form-input:-webkit-autofill:not(:placeholder-shown),
.form-textarea:-webkit-autofill:not(:placeholder-shown) {
  -webkit-text-fill-color: #000000 !important;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(0, 0, 0, 0.3);
}

.form-textarea {
  resize: vertical;
  min-height: 56px;
}

.form-file {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5555555555555556em;
  letter-spacing: -0.02em;
  color: #000000;
  background: transparent;
  border: none;
  width: 100%;
  padding: 0 0 15px;
  margin-bottom: 20px;
  margin-top: 0;
  outline: none;
}

.form-file:not(:placeholder-shown) {
  color: #000000;
}

.form-file::file-selector-button {
  font-size: 16px;
  padding: 8px 16px;
  border: 1px solid #000000;
  background: transparent;
  color: #000000;
  cursor: pointer;
  margin-right: 12px;
  transition: all 0.2s ease;
}

.form-file::file-selector-button:hover {
  background-color: #000000;
  color: #81543F;
}

.form-file-hint {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 500;
  font-size: 24px;
  line-height: 1.5555555555555556em;
  letter-spacing: -0.02em;
  color: rgba(0, 0, 0, 0.3);
  margin: 0 0 10px;
}

.form-submit {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 500;
  font-size: 24px;
  line-height: 1.6666666666666667em;
  letter-spacing: -0.02em;
  color: #000000;
  background: transparent;
  border: 1px solid #000000;
  padding: 15px 30px;
  width: 198px;
  height: 68px;
  cursor: pointer;
  margin-top: 24px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.form-submit:hover {
  background-color: #000000;
  color: #81543F;
}

/* 반응형 - 태블릿 */
@media (max-width: 1200px) {
  .proposal-container {
    grid-template-columns: 1fr;
    gap: 0;
    column-gap: 0;
    padding: 100px 40px 120px;
    margin-left: 20px;
    margin-right: 20px;
  }

  .proposal-intro {
    grid-column: 1 / -1;
    margin-bottom: 60px;
    margin-left: 0;
    margin-right: 0;
  }

  .proposal-form {
    grid-column: 1 / -1;
    margin-left: 0;
    margin-right: 0;
  }
}

/* 반응형 - 모바일 */
@media (max-width: 768px) {
  .proposal-container {
    padding: 120px 0 80px;
    gap: 0;
    column-gap: 0;
    grid-template-columns: 1fr;
    margin-left: 20px;
    margin-right: 20px;
  }

  .proposal-intro {
    grid-column: 1 / -1;
    margin-bottom: 40px;
    margin-left: 0;
    margin-right: 0;
  }

  .proposal-form {
    grid-column: 1 / -1;
    margin-left: 0;
    margin-right: 0;
  }

  .proposal-intro-text {
    font-size: 22px;
  }

  .proposal-form-title {
    font-size: 22px;
  }

  .form-label {
    font-size: 16px;
    padding-top: 20px;
  }

  .form-input,
  .form-textarea,
  .form-file {
    font-size: 16px;
    margin-bottom: 30px;
  }

  .form-file-hint {
    font-size: 16px;
  }

  .form-submit {
    width: 100%;
    font-size: 16px;
  }
}

/* ABOUT PAGE */
.about-page {
  background-color: #FFF167;
}

.about-main {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0;
  min-height: calc(100vh - 163px);
}

.about-container {
  max-width: 100%;
  margin: 0 auto;
  margin-left: 20px;
  margin-right: 20px;
  padding: 160px 0 44px;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0;
  column-gap: 88px;
  align-items: start;
}

.about-intro {
  grid-column: 1 / 5; /* 4개 컬럼 사용 */
  margin-left: 0;
  margin-right: 60px; /* 본문 텍스트 필드를 60px 줄임 (20px + 40px) */
}

.about-history {
  grid-column: 5 / 9; /* 4개 컬럼 사용 */
  padding-top: 0;
  margin-left: 0; /* 왼쪽 정렬 - 본문과 88px 거리 유지 (column-gap으로 설정) */
  margin-right: 20px; /* 오른쪽 마진 20px 유지 */
}


.about-intro-text {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 600;
  font-size: 30px;
  line-height: 1.4em;
  letter-spacing: -0.02em;
  color: #000000;
  margin: 0;
}

.about-history-title {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 600;
  font-size: 30px;
  line-height: 1.6666666666666667em;
  letter-spacing: -0.02em;
  color: #000000;
  margin: 0 0 26px;
  padding-top: 0;
}

.about-history-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.about-history-list li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 4px;
  gap: 16px;
}

.history-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #000000;
  flex-shrink: 0;
  margin-top: 16px; /* 첫 줄의 중앙에 정렬 (line-height 40px * 1.6666666666666667 = 약 40px, 중앙은 20px, 점 높이 8px이므로 상단은 20px - 4px = 16px) */
}

.history-text {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 600;
  font-size: 24px;
  line-height: 1.6666666666666667em;
  letter-spacing: -0.02em;
  color: #000000;
}

.about-images {
  max-width: 1440px;
  margin: 0 auto;
  margin-left: 20px;
  margin-right: 20px;
  padding: 0 0 120px;
  margin-top: 0;
}

.about-image-wrapper {
  width: 676px; /* 520px * 1.3 = 676px */
  height: 445.9px; /* 343px * 1.3 = 445.9px */
}

.about-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  mix-blend-mode: luminosity;
}

/* 모바일 뷰에서 이미지가 잘리지 않도록 */
@media (max-width: 768px) {
  .about-image-wrapper img {
    object-fit: contain;
  }
}

/* About 페이지에서 about 링크 텍스트 색상 변경 */
.about-page .nav-link[href*="about"] {
  color: #81543F;
}

/* 반응형 - 태블릿 */
@media (max-width: 1200px) {
  .about-container {
    grid-template-columns: 1fr;
    gap: 0;
    column-gap: 0;
    padding: 160px 40px 0;
    margin-left: 20px;
    margin-right: 20px;
  }

  .about-intro {
    grid-column: 1 / -1;
    margin-bottom: 60px;
    margin-left: 0;
  }

  .about-history {
    grid-column: 1 / -1;
    margin-left: 0;
  }

  .about-images {
    padding: 0 40px 80px;
  }

  .about-image-wrapper {
    width: 100%;
    max-width: 520px;
  }
}

/* 반응형 - 모바일 */
@media (max-width: 768px) {
  .about-container {
    padding: 120px 20px 0;
    gap: 0;
    column-gap: 0;
    grid-template-columns: 1fr;
    margin-left: 0;
    margin-right: 0;
  }

  .about-intro {
    grid-column: 1 / -1; /* 전체 컬럼 사용 */
    margin-bottom: 40px;
    margin-left: 0;
    margin-right: 0;
  }

  .about-history {
    grid-column: 1 / -1; /* 전체 컬럼 사용, 본문 밑으로 배치 */
    margin-left: 0; /* 본문과 동일한 좌측 정렬 */
    margin-right: 0;
    padding-top: 40px; /* 마진값 유지 */
    border-top: 1px solid #000000; /* 1px 선 추가 */
  }

  .about-intro-text,
  .about-history-title,
  .history-text {
    font-size: 22px;
  }

  /* about 페이지 - 특정 이력 항목(모바일에서만 3px 더 작게) */
  .history-text--small {
    font-size: 19px;
  }

  .about-images {
    padding: 20px 0 80px;
    margin-left: 20px;
    margin-right: 20px;
    margin-top: 0;
  }

  .about-image-wrapper {
    width: 100%;
    height: auto;
    aspect-ratio: 520 / 343;
  }
}
/* WORKS PAGE */
.works-page {
  background-color: #FFFFFF;
  overflow-y: auto;
  overflow-x: hidden;
  animation: fadeIn 0.6s ease-out;
  transition: opacity 0.4s ease-out;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.works-page.closing {
  animation: fadeOut 0.4s ease-out forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

/* 닫기 버튼 */
.works-close-btn {
  position: fixed;
  top: 16px;
  right: 30px;
  z-index: 100;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  color: #000000;
  transition: opacity 0.2s ease;
  padding: 0;
}

.works-close-btn:hover {
  opacity: 0.7;
}

.works-close-btn svg {
  width: 19px;
  height: 19px;
}

.works-main {
  width: 100%;
  min-height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  cursor: pointer; /* 빈 공간 클릭용 */
}

.works-container {
  width: 100%;
  max-width: 1440px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 0;
  padding-bottom: 100px;
  position: relative;
  overflow-x: hidden;
  overflow-y: visible;
}

/* 위쪽 메인 이미지 */
.works-image-main {
  position: fixed;
  left: 50%;
  top: 52px;
  transform: translateX(-50%);
  width: 90%;
  max-width: 630px;
  height: auto;
  aspect-ratio: 702 / 747;
  cursor: default;
}

.works-image-placeholder {
  width: 100%;
  height: 100%;
  /* 대표 썸네일 배경색을 흰색으로 변경해 검은/어두운 줄이 보이지 않도록 처리 */
  background-color: #FFFFFF;
  border-radius: 0;
  position: relative;
  overflow: hidden;
}

.works-image-placeholder .works-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
  -moz-user-select: none;
  -ms-user-select: none;
  pointer-events: none;
  transition: transform 0.3s ease;
}

.works-image-main:hover .works-image-placeholder .works-image {
  transform: scale(1.2);
}

/* 이미지 설명 영역 */
.works-info {
  position: fixed;
  left: calc(50% - min(45vw, 315px)); /* 이미지의 왼쪽 끝 위치에 맞춤 (세로가 긴 이미지용) */
  top: 744px; /* 732px에서 12px 증가 */
  transform: none;
  display: flex;
  flex-direction: column;
  gap: calc(19px * 1.3); /* 타이틀과 디스크립션 사이 행간 130% (19px * 1.3 = 24.7px) */
  text-align: left;
  align-items: flex-start;
  cursor: default;
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

/* 가로가 긴 이미지일 때는 JavaScript에서 동적으로 left 값 설정 */

.works-title {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
  font-size: calc(19px - 1pt); /* 19px에서 1pt 감소 (약 17.67px) */
  font-weight: 800; /* Extra Bold */
  line-height: 0;
  letter-spacing: -0.02em;
  color: #000000;
  opacity: 0.55; /* 55% 투명도 (50%에서 5% 증가) */
  margin: 0;
  padding: 0;
  width: auto;
  height: auto;
  text-align: left;
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: opacity 0.2s ease;
}

.works-title:hover {
  opacity: 1; /* 100% 투명도 (완전 불투명) */
}

.works-description {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
  font-size: calc(19px - 1pt); /* 19px에서 1pt 감소 (약 17.67px) */
  font-weight: 800; /* Extra Bold */
  line-height: 0;
  letter-spacing: -0.02em;
  color: #000000;
  opacity: 0.25; /* 25% 투명도 (30%에서 5% 감소) */
  margin: 0;
  margin-top: 0;
  padding: 0;
  width: auto;
  height: auto;
  text-align: left;
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: opacity 0.2s ease;
}

.works-description:hover {
  opacity: 1; /* 100% 투명도 (완전 불투명) */
}

/* 하단 썸네일 그리드 */
.works-thumbnails {
  position: fixed;
  left: 0;
  bottom: 20px;
  width: 100vw;
  display: flex;
  gap: 10px;
  padding: 0;
  margin: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE and Edge */
  scroll-snap-type: none;
  -webkit-overflow-scrolling: touch;
  align-items: flex-start;
}

.works-thumbnails::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

.works-thumbnail {
  width: 78px;
  height: 83px;
  flex-shrink: 0;
  background-color: #FFFFFF;
  border-radius: 0;
  position: relative;
  overflow: hidden;
  cursor: default;
  transition: opacity 0.2s ease;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border: 2px solid transparent;
}

/* 가로가 긴 썸네일 (696x366 비율) */
.works-thumbnail--wide {
  width: 158px; /* 83px * (696/366) ≈ 158px */
  height: 83px;
}

.works-thumbnail:hover {
  opacity: 1;
}

.works-thumbnail.active {
  border: 2px solid transparent;
}

.works-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
  -moz-user-select: none;
  -ms-user-select: none;
  pointer-events: none;
  mix-blend-mode: luminosity;
  transition: mix-blend-mode 0.2s ease;
}

.works-thumbnail:hover img {
  mix-blend-mode: normal;
}

/* 반응형 - 모바일 */
@media (max-width: 768px) {
  .works-page {
    overflow: hidden;
  }

  .works-main {
    overflow: hidden;
  }

  .works-close-btn {
    position: fixed;
    top: 16px;
    right: 20px;
    z-index: 100;
  }

  .works-container {
    padding: 20px;
    padding-top: 46px; /* 닫기 버튼(16px top + 40px height) + 10px 간격에서 20px 감소 */
    height: 100vh;
    min-height: 100vh;
    max-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    box-sizing: border-box;
    overflow: hidden;
  }

  .works-image-main {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    max-width: 100%;
    height: auto;
    margin: 0 auto 15px;
    margin-top: 0;
    aspect-ratio: 702 / 747;
    transform: none;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  /* 가로가 긴 이미지일 때 모바일 뷰에서 기본 위치보다 100px 아래로 이동 (기존 140px에서 40px 위로) */
  .works-image-main.is-wide-mobile {
    margin-top: 100px;
  }

  .works-image-placeholder {
    aspect-ratio: 702 / 747;
    width: 100%;
    margin: 0 auto;
  }

  .works-info {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    margin-top: 10px; /* 타이틀과 디스크립션 위치를 10px 아래로 이동 (4px + 6px) */
    text-align: center;
    transform: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    user-select: text;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
  }

  /* 가로가 긴 이미지일 때 정보도 함께 140px 아래로 이동 */
  .works-info.is-wide-mobile {
    margin-top: 10px; /* 짧은 비율 이미지와 동일한 간격 (25px) */
  }

  .works-title,
  .works-description {
    width: auto;
    height: auto;
    text-align: center;
    font-size: 14px; /* 15px에서 1px 감소 */
    font-weight: 800; /* Extra Bold */
    line-height: 0;
    user-select: text;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
  }
  
  .works-title {
    opacity: 0.55; /* 55% 투명도 (50%에서 5% 증가) */
    transition: opacity 0.2s ease;
  }
  
  .works-title:hover {
    opacity: 1; /* 100% 투명도 (완전 불투명) */
  }
  
  .works-description {
    opacity: 0.25; /* 25% 투명도 (30%에서 5% 감소) */
    transition: opacity 0.2s ease;
  }
  
  .works-description:hover {
    opacity: 1; /* 100% 투명도 (완전 불투명) */
  }

  .works-thumbnails {
    display: none; /* 모바일 뷰에서 썸네일 숨김 */
  }
}