* {
  box-sizing: border-box;
  position: relative;
}

body, .header_wrap, .container, .figure, .background {
  position: relative;
}

html {
  font-size: 16px;
}

:root {
  --w: #E5E4E3;
  --r: #AA1600;
  --y: #EAA400;
  --k: #333231;
  --g: #B7B0A8;
  --G: #8E8A86;
}


/* 강조설정 */
.light {font-weight: 300;}
.bold {font-weight: 700;}

.highlight {
  font-weight: 700;
}
.highlight::before {
  content: '';
  position: absolute;
  bottom: 0.78rem;
  left: 0;
  width: 100%;
  height: 30%;
  background-color: var(--g);
  z-index: -1;
}


/* 기본 */
body {
  height: 100vh;
  padding: 0;
  margin: 0;
  background: var(--w);
  text-align: justify;
  max-width: 100%;
  font-weight: 500;
  font-size: 1.5rem;
  font-family: 'koPubWorldBatang', serif;
  transform: scaleX(0.96);
  letter-spacing: -0.13rem;
  line-height: 1.8;
}

.container {
  color: var(--k);
  max-width: 1020px;
  margin-left: auto;
  padding: 0.8rem 8rem 2.5rem 4rem;
}




/* back to top */
#backToTop {
  position: fixed;
  bottom: 0rem;
  right: 0rem;
  display: none; /* 초기에는 숨겨진 상태 */
  /* background-color: var(--w); */
  background-color: rgba(0, 0, 0, 0);
  color: var(--g);
  border: none;
  border-radius: 5px;
  padding: 16px 24px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  z-index: 999;
}

#backToTop span {
  white-space: nowrap;
  position: absolute; /* 텍스트를 absolute 위치로 설정 */
  top: 52%; /* 버튼 내에서 수직 가운데 정렬을 위해 50% 설정 */
  left: 50%; /* 버튼 내에서 수평 가운데 정렬을 위해 50% 설정 */
  transform: translate(-50%, -50%); /* 텍스트를 가운데 정렬 */
  margin: 0;
  line-height: 0;
  font-size: 16px;
  font-weight: bold;
}

#backToTop:hover {
  color: var(--G);
}

a, a:link, a:visited {
  color: var(--k);
  font-weight: bold;
}




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

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

/* 애니메이션 효과 적용 */
.fade-in {
  display: block;
  animation: fadeIn 2s forwards;
}

.fade-out {
  animation: fadeOut 2s forwards;
}

/* 본문이 보일 때 설정 */
.title-screen, .content {
  display: none;
}

.content.show, .title-screen.show {
  display: block;
  animation: fadeIn 2s forwards;
}



/* 폰트 */
h1 { 
  white-space: nowrap;
  letter-spacing: -0.09em;
  font-size: 2rem;
  font-weight: 700;
  text-indent: 0.8rem;
  margin: 0;
  padding: 0rem;
  text-align: left;
}

h2 {   
  text-indent: 0.8rem;
  letter-spacing: -0.09em;
  font-size: 1.9rem;
  font-weight: 700;
  margin: 0;
  text-align: left;
}

h3 { /* 사이트 제목에만 쓸 것 */
  letter-spacing: -0.09em;
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--r);
  margin-right: 3rem;
}

h3::before {
  content: ""; /* 내용 없음 */
  position: absolute; /* h1 요소에 상대적으로 위치 */
  top: 50%; /* 상단 여백 */
  left: 50%; /* 좌측 여백 */
  transform: translateX(-22%) translateY(-50%);
  width: 10rem; /* 원의 너비 */
  height: 10rem; /* 원의 높이 */
  border: 0.13rem solid var(--y);
  border-radius: 50%; /* 원 모양으로 설정 */
  z-index: -1; /* h1 요소의 배경으로 설정하기 위해 z-index 설정 */
}

p {
  text-indent: 0.8rem;
}

p span {
  font-weight: bold;
  font-style: italic
}


/* 인용문 */
.quote {
  font-size: 1.4rem;
  font-family: "koPubWorldDotum";
  margin-left: 2rem;
  margin-right: 2rem;
}



/* 참조이미지 */
.figure { 
  width: auto; 
  margin: 0 auto;
  text-align: center; 
}

.figure img { 
  max-width: 100%;
}


figcaption {
  font-family: "Pretendard";
  font-size: 1.3rem;
  font-weight: 300;
  transform: scaleX(1);
  letter-spacing: -0.03em;
  text-align: center;
}

.background {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 80%;
  margin: 0 auto;
  height: 100vh;
  position: absolute;
}

.background img { 
  max-width: 100%; 
}


/* main title */
.main {
  min-height: 40rem;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.main h1 {
  position: absolute;
  bottom: 1.5rem;
}


/* 표 */
table {
  margin-top: 0.7rem;
  width: 100%;
  background: var(--w);
  border-top: 2px solid var(--k);
  border-bottom: 2px solid var(--k);
  border-collapse: collapse;
}

table tr, table td, table th {
  border: 1px solid var(--G);
  border-left: 2rem solid transparent; /* 좌측 여백 */
  border-right: 2rem solid transparent; /* 우측 여백 */
  border-left: none;
  border-right: none;
}

table td, table th {
  padding: 0.4rem 1rem 0.05rem 1rem;
}


/* 모바일 반응형. 아직 제대로 안 만짐 나중에 수정하자
  @media (max-width: 600px) {
    .container {
        max-width: 100%;
    }
  }

  @media screen and (max-width: 1024px) {
    p {
      font-size: 1.4rem;
    }
  }

  @media screen and (max-width: 768px) {
    .figure {
      width: 100%;
      padding: 0;
    }
    .figure img {
      width: 100%;
    }
    .background {
      padding: 0;
    }
    figcaption {
      font-family: 'kopub Batang';
      font-size: 1em;
      text-align: left;
      padding: 0 1rem;
    }
    table {
      font-size: 1.2rem;
      letter-spacing: 0.2px;
      line-height: 1.4em;
    }
    table td, table th {
      padding: 0.4em 0 0.3em;
    }
  }

  @media screen and (max-width: 450px) {
    p {
      font-size: 1.2rem;
    }
  }


@media screen and (max-width: 350px) {
  p {
    font-size: 1.1rem;
  }
} */




@font-face {
  font-family: 'KoPubWorldDotum';
  font-weight: 300;
  font-style: normal;
  src: url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/KoPubWorldDotumLight.eot');
  src: url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/KoPubWorldDotumLight.eot?#iefix') format('embedded-opentype'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/KoPubWorldDotumLight.woff2') format('woff2'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/KoPubWorldDotumLight.woff') format('woff'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/KoPubWorldDotumLight.ttf') format("truetype");
  font-display: swap;
}
@font-face {
  font-family: 'KoPubWorldDotum';
  font-weight: 500;
  font-style: normal;
  src: url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/KoPubWorldDotumMedium.eot');
  src: url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/KoPubWorldDotumMedium.eot?#iefix') format('embedded-opentype'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/KoPubWorldDotumMedium.woff2') format('woff2'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/KoPubWorldDotumMedium.woff') format('woff'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/KoPubWorldDotumMedium.ttf') format("truetype");
  font-display: swap;
}
@font-face {
  font-family: 'KoPubWorldDotum';
  font-weight: 700;
  font-style: normal;
  src: url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/KoPubWorldDotumBold.eot');
  src: url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/KoPubWorldDotumBold.eot?#iefix') format('embedded-opentype'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/KoPubWorldDotumBold.woff2') format('woff2'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/KoPubWorldDotumBold.woff') format('woff'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/KoPubWorldDotumBold.ttf') format("truetype");
  font-display: swap;
}

@font-face {
  font-family: 'koPubWorldBatang';
  font-weight: 300;
  font-style: normal;
  src: url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/koPubWorldBatangw.eot');
  src: url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/koPubWorldBatangw.eot?#iefix') format('embedded-opentype'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/koPubWorldBatangw.woff2') format('woff2'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/koPubWorldBatangw.woff') format('woff'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/koPubWorldBatangw.ttf') format("truetype");
  font-display: swap;
}
@font-face {
  font-family: 'koPubWorldBatang';
  font-weight: 500;
  font-style: normal;
  src: url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/koPubWorldBatangMedium.eot');
  src: url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/koPubWorldBatangMedium.eot?#iefix') format('embedded-opentype'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/koPubWorldBatangMedium.woff2') format('woff2'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/koPubWorldBatangMedium.woff') format('woff'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/koPubWorldBatangMedium.ttf') format("truetype");
  font-display: swap;
}
@font-face {
  font-family: 'koPubWorldBatang';
  font-weight: 700;
  font-style: normal;
  src: url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/koPubWorldBatangBold.eot');
  src: url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/koPubWorldBatangBold.eot?#iefix') format('embedded-opentype'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/koPubWorldBatangBold.woff2') format('woff2'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/koPubWorldBatangBold.woff') format('woff'),
      url('https://cdn.jsdelivr.net/gh/webfontworld/kopus/koPubWorldBatangBold.ttf') format("truetype");
  font-display: swap;
}