@font-face {
  font-family: 'Manrope-Medium';
  src: url(fonts/Manrope-Medium.otf) format('opentype');
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'Ashley-Text';
  src: url(fonts/Ashley-Text.otf) format('opentype');
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'Ashley-Score';
  src: url(fonts/Ashley-Score.otf) format('opentype');
  font-weight: normal;
  font-style: normal;
}


* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}


html, body {
  height: 100vh; 
  padding: 0;
  margin: 0;
}


html {
  scroll-behavior: smooth;
}


body {
  font-family: 'Manrope-Medium', sans-serif;
  cursor: default;
  display: flex;
  flex-direction: column; 
  height: 100vh; 
  
}


main {
  display: flex;
  flex-direction: column;
}

/* scrollbar custom */
::-webkit-scrollbar {
  width: 1px;
}

::-webkit-scrollbar-thumb {
  background-color: rgba(187, 187, 187, 0);  
}  

.content {
  display: flex;
  height: 100vh;
  overflow: hidden;
}


.trail {
  position: absolute;
  background-color: #acacac;  
  width: 4px;               
  height: 4px;              
  border-radius: 100%;
  pointer-events: none;       
}


/* 다음챕터 넘어갈때*/
.next {
  position: relative;
  font-size: 0.8rem; 
  text-decoration: none;
  color: rgb(255, 0, 0);
  display: inline-block;
  padding: 10px;
  font-weight: bold;
  overflow: hidden;
}

.next::after {
  content: '';
  position: absolute;
  width: 90%;
  height: 1px;
  background-color: rgb(38, 255, 0); 
  left: -100%;
  bottom: 0;
  transition: left 0.5s ease-out;
}

.next:hover::after,
.next:active::after {
  left: 0;
}

.next:hover {
  color: rgb(38, 255, 0); 
}

.next:active {
  color:  rgb(38, 255, 0); 
}


/* Next screen transition - 슬라이스 아웃*/
.fade-out {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: white;
  transform: translateX(-100%);
  pointer-events: none;
  z-index: 9999;
  transition: transform 1s ease;
}

.fade-out.show {
  filter: blur(10px); 
  transform: translateX(0); 
}


/* 챕터!!!!!!!!!!!!!!! */
.left {
  flex: 1;
  overflow-y: auto; 
  overflow-x: hidden;
  padding-left: 2rem;
  padding-right: 2rem;
  background: rgb(250, 250, 250);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  border-radius: 3%;
  box-shadow: 0px 4px 20px rgba(123, 123, 123, 1);
}



.text-section {
  position: relative;
  font-size: 0.8rem;     
  line-height: normal; 
  word-spacing: normal; 
  max-width: none;      
  word-wrap: break-word; 
  color: #3b2823;
  text-indent: 4em; 
  text-align: justify; 
}


.text-section a.footnote-link {
  font-family: 'Ashley-Score', sans-serif;
  vertical-align: sup;
  text-indent: 0; 
  margin-left: 0px; 
  display: inline;
  font-size: 0.7rem;
}


.no-indent {
  text-indent: 0;
}

.yes-indent {
  text-indent: 4em;
}

.yesyes-indent {
  text-indent: 4em;
}

.yesyesyes-indent {
  text-indent: 4em; 
  margin-left: 12rem; 
}


/* 각주스타일 */
/* 텍스트 섹션과 각주 링크 스타일 수정 */

.footnote-link {
  color: rgb(255, 0, 0);
  text-decoration: none;
  display: inline-block;  
  margin-left: 5px;  
}

.footnote-link:hover {
  text-decoration: underline;
  color: rgb(38, 255, 0); 
  cursor: pointer;  
}



/* Footnote 스타일 */

.footnotes {
  position: relative;
  color: #3f322e;
  background: rgb(250, 250, 250);
  padding: 0.25rem 10rem 0rem 0rem; /* 상, 스크린 절반, 하, 좌 */
  font-size: 0.6rem;
  line-height: 1.4; 
  text-align: left; 
  box-shadow: 0px 0px 10px 10px rgba(250, 250, 250, 10);
}

.footnote {
  position: relative;
}

.footnote::before {
  font-family: 'Ashley-Score', sans-serif;
  content: var(--footnote-number, '');
  display: inline-block;
  margin-right: 2em;
}


.footnote:target {
  scroll-margin-top: 96vh; /* 각주이동될때위치 */
  animation: yellowflash-text 60s infinite;
}


@keyframes yellowflash-text {
  from { color: rgb(255, 0, 0); }
  to   { color: inherit; }
}


.back-to-top {
  color: rgb(255, 0, 0);
}

.back-to-top:hover {
  text-decoration: underline;
  color:  rgb(38, 255, 0); 
  cursor: pointer;  
}



/* Right */
.right {
  flex: 1;
  position: relative;
  background: #e3e3e3;
  border-radius: 3%;
  box-shadow: 10px 4px 20px rgba(123, 123, 123, 1);  
}

.sticky-image {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sticky-image img {
  max-width: 100%;
  height: auto;
}


/* ... 헤어 돌아가기 <-... */
.main-header {
  display: flex;
  font-family: 'Ashley-Text', sans-serif;
  font-size: 0.7rem; 
  justify-content: space-between;
  align-items: center;
  padding: 20px 0px 10px 0px;
  position: sticky;
  background: rgb(250, 250, 250);
  top: 0;
  left: 1%;
  width: 100vw;
  z-index: 3;
  box-shadow: 0px 0px 10px 1px rgba(250, 250, 250, 100); /* x,y,블러반경,스프레드,색*/
}

.return-button {
  color: rgb(255, 0, 0); 
}

.return-button:hover {
  color:  rgb(38, 255, 0); 
}


#image-caption {
  position: fixed; 
  font-family: 'Ashley-Text', sans-serif;
  font-size: 0.55rem; 
  padding: 20px 20px 0px 0px;
  top: 0;
  right: 0; 
  color: #6b6b6b;
  text-align: right; 
  z-index: 8888;
  word-wrap: break-word; 
  white-space: normal;  
  max-width: 38vw; 
}




@media (max-width: 768px) {
  .content {
    display: flex;
    flex-direction: column;
    height: 100vh;
  }

  .left {
    order: 1;
    flex-basis: 70%;
  }


  .right {
    order: 2;
    display: none; 
  }

  #image-caption {
      display: none; 
    }

  .yesyesyes-indent {
      text-indent: 2em; 
      margin-left: 3rem; 
    }
    
    .footnote:target {
      scroll-margin-top: 90vh; 
      animation: yellowflash-text 60s infinite;
    }

    .footnotes {
      padding: 0.25rem 1rem 0rem 0rem; /* 상, 스크린 절반, 하, 좌 */
    }
    
}