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

body {
    margin: 20px;
    font-family: sans-serif;
    font-size: 20pt;
    font-weight: bolder;
    padding-top: 40px; 
}


h1 {
    line-height: 13pt;
/*    margin-top: 20px;*/
    margin-bottom: 20px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: white;
    font-size: 20pt;
    padding: 20px 0;
    padding-left: 20px;
    z-index: 1000;
    background-color: gold;
    text-align: center;
}

p { 
    font-size: 20pt;
    line-height: 15pt
}

section {
    width: 100%;
    border-bottom: 1px solid black;
    margin-top: 20px;
    margin-bottom: 5px;
}

section:first-child {
    padding-top: 10px;
}

img {
    max-height: 170px;
    margin-left: 7px;
    margin-top: 7px;
}

#alpha-nav {
  position: sticky;
  top: 60px;           /* h1이 fixed인 경우 h1 높이보다 약간 아래 */
  background: white;
  z-index: 900;
  padding: 12px 12px;
  border-bottom: 1px solid #000;
  margin-bottom: 8px;
}


#alpha-nav ul.alpha {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  list-style: none;
  justify-content: center;
}

#alpha-nav ul.alpha li a {
  text-decoration: none;
  font-size: 20px;
  padding: 5px 10px;
  background-color: gold;
}


#alpha-nav ul.alpha li a.disabled {
  pointer-events: none;
  opacity: 0.5;
  background-color: white;
}

a {
    color: black;
}

:root {
  --sticky-offset: 0px; 
}

section {
  scroll-margin-top: var(--sticky-offset);
}

footer {
    font-size: 10pt;
    margin-top: 10px;
}

@media screen and (max-width: 704px) {
    img {
        max-height: 100px;
        margin: auto;
    }
}