* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 600;
}

li {
  list-style: none;
}

header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(0,0,0,0.8);
  z-index: 1;
}

header .container {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
}

header button {
  background-color: transparent;
  border: 0;
  cursor: pointer;
  color: white;
}

header button a {
  text-decoration: none;
  color: #fff;
}

header h1 button a {
  color: #FFA500;
  font-size: 2rem;
  font-weight: bold;
}

nav {
  width: 100%;
  margin: 20px 0;
  text-align: center;
  margin-top: 100px;
}

nav ul {
  display: flex;
  justify-content: center;
  gap: 30px;
  padding: 0;
}

nav ul li button {
  padding: 8px 16px;
  background-color: #3498db;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.2s;
}

nav ul li button:hover {
  background-color: #2980b9;
  transform: translateY(-2px);
}

nav ul li button.active {
  background-color: #e67e22;
}

body {
  background-color: #f5f5f7;
  color: #333;
  font-family: 'Noto Sans KR', sans-serif;
}

.quiz-title {
  text-align: center;
  color: #2c3e50;
  margin-top: 50px;
  margin-bottom: 30px;
}

.quiz-container {
  max-width: 800px;
  margin: 0 auto;
}

.question-box {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  padding: 20px;
  margin-bottom: 20px;
  transition: transform 0.2s;
}

.question-box:hover {
  transform: translateY(-3px);
}

.question-text {
  font-size: 22px;
  margin-bottom: 10px;
}
.answer{
  font-size: 12px;
}

.answer {
  display: block;
  margin: 5px 0;
  padding: 10px 15px;
  border-radius: 5px;
  background-color: #ecf0f1;
  cursor: pointer;
  transition: background-color 0.2s;
}

.answer.correct {
  background-color: #2ecc71;
  color: #fff;
}

.answer.wrong {
  background-color: #e74c3c;
  color: #fff;
}


.pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 20px 0;
}

.pagination button {
  padding: 5px 10px;
  border: none;
  background: #3498db;
  color: white;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.2s;
}

.pagination button:hover {
  background: #2980b9;
}

/* 🔹 맨 위로 버튼 스타일 */
#scrollTopBtn {
  display: none; /* 기본은 숨김 */
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 100;
  border: none;
  border-radius: 20%;
  padding: 8px 8px;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
  transition: background-color 0.2s, transform 0.2s;
}

#scrollTopBtn:hover {
  transform: translateY(-2px);
}