/* 흰 바탕 + 검은 글씨, 최소 스타일 */
body{
  margin:0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans KR", Arial, sans-serif;
  background:#fff;
  color:#000;
}
.wrap{
  max-width: 860px;
  margin: 24px auto;
  padding: 0 12px;
}
header{
  padding: 12px 0;
  border-bottom: 1px solid #000;
}
nav{
  padding: 10px 0;
  border-bottom: 1px solid #000;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
nav a{ color:#000; text-decoration:none; }
nav a:hover{ text-decoration:underline; }

main{ padding: 16px 0 24px; }

h1{ font-size: 18px; margin: 0 0 10px; }
.box{
  border: 1px solid #000;
  padding: 12px;
  margin-top: 12px;
}
.small{ font-size: 12px; }
hr{ border:0; border-top:1px solid #000; margin: 14px 0; }

.table{
  width:100%;
  border-collapse:collapse;
  margin-top:10px;
}
.table th, .table td{
  border:1px solid #000;
  padding:8px;
  font-size:13px;
  text-align:left;
  vertical-align:top;
}

.input{
  width:100%;
  box-sizing:border-box;
  border:1px solid #000;
  padding:8px;
  font: inherit;
}
.btn{
  border:1px solid #000;
  background:#fff;
  padding:8px 10px;
  cursor:pointer;
  font: inherit;
}
.btn:hover{ background:#000; color:#fff; }