/* =========================
   START PAGE
   start.html 전용
========================= */

/* start 페이지 전체 배경 톤 */
.start-page {
  background: #b5b5b5;
  min-height: 100vh;
}

/* 본문 섹션 */
#start.section {
  padding: 120px 0 90px;
}

/* 큰 제목 */
#start h2 {
  font-size: 2rem;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
  margin-left: 20px;
  color: #ffffff;
}

/* 요약 박스 */
#start .summary-box {
  background: linear-gradient(180deg, #181818 0%, #101010 100%);
  color: #ffffff;
  padding: 26px 24px;
  border-radius: 16px;
  margin-bottom: 28px;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
}

#start .summary-box h3 {
  font-size: 1.2rem;
  margin-bottom: 14px;
  color: #ffffff;
}

#start .summary-box ul {
  margin-top: 10px;
  padding-left: 20px;
  list-style: disc;
}

#start .summary-box li {
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.7;
}

/* 본문 전체 박스 */
#start .guide-content {
  background: linear-gradient(180deg, #000000 0%,#000000 100%);
  color: #ffffff;
  padding: 34px 30px;
  border-radius: 16px;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
}

/* 본문 대제목 */
#start .guide-content h3 {
  font-size: 1.35rem;
  margin-top: 34px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  letter-spacing: -0.02em;
}

#start .guide-content h3:first-child {
  margin-top: 0;
}

/* 본문 소제목 */
#start .guide-content h4 {
  font-size: 1.05rem;
  margin-top: 24px;
  margin-bottom: 10px;
  color: #ffffff;
}

/* 본문 문단 */
#start .guide-content p {
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 18px;
  line-height: 1.9;
  word-break: keep-all;
}

/* 본문 리스트 */
#start .guide-content ul,
#start .guide-content ol {
  margin-top: 8px;
  margin-bottom: 20px;
  padding-left: 22px;
  list-style-position: outside;
}

#start .guide-content ul {
  list-style: disc;
}

#start .guide-content ol {
  list-style: decimal;
}

#start .guide-content li {
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 10px;
  line-height: 1.8;
}

/* 강조 문장 */
#start .guide-content strong {
  color: #ffffff;
  font-weight: 700;
}

/* 등급 한 줄처럼 길게 들어가는 텍스트 */
#start .guide-content .rank-line {
  display: block;
  padding: 16px 18px;
  margin-bottom: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  color: #ffffff;
  font-weight: 700;
  line-height: 1.8;
}

/* 예시 목록, 참고 박스 */
#start .guide-content .mini-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 16px 18px;
  margin: 16px 0 20px;
}

#start .guide-content .mini-box p:last-child,
#start .guide-content .mini-box ul:last-child,
#start .guide-content .mini-box ol:last-child {
  margin-bottom: 0;
}

/* 섹션 사이 여백 조금 더 안정적으로 */
#start .guide-content > *:last-child {
  margin-bottom: 0;
}

/* 반응형 */
@media (max-width: 900px) {
  #start.section {
    padding: 100px 0 70px;
  }

  #start h2 {
    font-size: 1.7rem;
    margin-bottom: 16px;
  }

  #start .summary-box,
  #start .guide-content {
    padding: 22px 18px;
    border-radius: 14px;
  }

  #start .guide-content h3 {
    font-size: 1.18rem;
    margin-top: 28px;
  }

  #start .guide-content h4 {
    font-size: 1rem;
  }

  #start .guide-content p,
  #start .guide-content li {
    font-size: 0.97rem;
    line-height: 1.8;
  }

  #start .guide-content .rank-line,
  #start .guide-content .mini-box {
    padding: 14px 14px;
    border-radius: 12px;
  }
}