.quiz-shell {
  margin-top: 1.2rem;
}

.quiz-mainbox {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 1.25rem;
}

.quiz-post {
  background: #ffffff;
  border-radius: 14px;
  border: 1px solid #dbe2ea;
  padding: 1rem;
}

.quiz-post h1 {
  margin-top: 0;
  font-size: 1.75rem;
  line-height: 1.25;
}

.pc-display,
.mb-display {
  font-size: 1.35rem;
  line-height: 1.3;
  margin: 1rem 0;
}

.mb-display {
  display: none;
}

.main-img {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #d6dee8;
  background: #f8fafc;
}

.main-img img {
  display: block;
  width: 100%;
  height: auto;
}

.next-wrap {
  position: absolute;
  right: 12px;
  top: 12px;
  z-index: 2;
}

.next_link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  color: #fff;
  text-decoration: none;
  background: #0f766e;
  font-weight: 700;
  visibility: hidden;
}

.main-img.active .next_link,
.page-box.selected {
  visibility: visible;
}

.answer {
  display: none;
  padding: 12px 14px;
  border-top: 1px solid #dbe2ea;
}

.main-img.active .answer {
  display: block;
}

.answer .title {
  display: inline-flex;
  gap: 10px;
  font-weight: 700;
}

.answer .correct,
.answer .incorrect {
  display: none;
}

.main-img.correct .answer .correct {
  display: inline;
  color: #0a7a33;
}

.main-img.incorrect .answer .incorrect {
  display: inline;
  color: #b42318;
}

.answer .content {
  display: block;
  margin-top: 8px;
  color: #213547;
}

.question-options {
  list-style: none;
  padding: 0;
  margin: 0.9rem 0;
  display: grid;
  gap: 0.6rem;
}

.question-option {
  border: 1px solid #d0dae5;
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
  cursor: pointer;
  background: #fff;
  transition: all 0.15s ease;
}

.question-option:hover {
  border-color: #0f766e;
  transform: translateY(-1px);
}

.question-option.correct {
  border-color: #0a7a33;
  background: #eaf8ef;
}

.question-option.incorrect {
  border-color: #b42318;
  background: #fdecec;
}

.progress {
  margin: 0.95rem 0;
  height: 22px;
  border-radius: 999px;
  background: #ecf1f5;
  position: relative;
  overflow: hidden;
}

.progress .bar {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #0f766e, #18a999);
}

.progress .percent {
  position: absolute;
  right: 10px;
  top: 2px;
  font-weight: 700;
  color: #0b2542;
  font-size: 13px;
}

.post-footer {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
}

.page-box.selected {
  display: none;
}

.page-box.not-selected {
  display: flex;
}

.to-top {
  cursor: pointer;
  color: #0b4f8a;
  font-weight: 700;
}

#ezoic-pub-ad-placeholder-104,
#ezoic-pub-ad-placeholder-105,
#ezoic-pub-ad-placeholder-106,
#ezoic-pub-ad-placeholder-107,
#ezoic-pub-ad-placeholder-108,
#ezoic-pub-ad-placeholder-109 {
  min-height: 32px;
  border: 1px dashed #d7dee8;
  border-radius: 8px;
  padding: 0.4rem;
}

.quiz-right {
  display: grid;
  gap: 0.8rem;
  align-content: start;
}

@media (max-width: 1024px) {
  .quiz-mainbox {
    grid-template-columns: 1fr;
  }

  .quiz-right {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .quiz-post h1 {
    font-size: 1.25rem;
  }

  .pc-display {
    display: none;
  }

  .mb-display {
    display: block;
    font-size: 1.1rem;
  }

  .quiz-right {
    grid-template-columns: 1fr;
  }
}