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

body {
    max-width: 900px;
    margin: auto;
    padding: 2rem;
    font-family: sans-serif;
    line-height: 1.6;
    background: #f8f8f8;
    color: #1a1a1a;
    line-height: 1.6;
}


h1 { 
    font-size: 3rem; 
    font-weight: 700; 
    letter-spacing: -0.02em; 
}


header {
    padding: 2rem;
    padding-left: 0;
}


h2 { 
    font-size: 1.6rem; 
    font-weight: 600; 
    margin-top: 2.5rem; 
    margin-bottom: 0.75rem; 
}

a {
    color: #0066cc;
}

.index_article_title a {
    color: #000;
}

p { 
    margin-top: 0.75rem; 
    color: #444; 
}

.card {
    padding: 1rem;
    border-top: 1px solid #ddd;
    padding-top: 0.2rem;
    margin-bottom: 1rem;
}

footer {
  border: none;
  border-top: 1px solid #e0e0e0;
  margin-top: 2rem;
  height: 8rem;
  width: 100%;
  max-width: 900px;
  padding-top: 3rem;
  padding-bottom: 3rem;
  
  font-size: 0.85rem;
  bottom: 0;
  /*position: fixed;*/
  background: #f8f8f8;
}

hr {
  border: none;
  border-top: 1px solid #e0e0e0;
  margin: 1rem 0;
}