body {
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  background-color: var(--color-default-white);
}

.all-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
  padding-bottom: 70px;
}

/* 상단 배너 */
.banner-bg {
  width: 100%;
  background-image: url("../assets/purple_banner/sub_top_banner_1025.png");
  background-size: cover;
}

.banner-container {
  width: 1080px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 60px 0;
  margin: 0 auto;
}

.banner-top-introduce {
  color: var(--color-default-white);
}

.banner-top-title {
  font: var(--font-head-07);
  letter-spacing: var(--letter-spacing-head-07);
}

.banner-top-desc {
  font: var(--font-body-02);
  letter-spacing: var(--letter-spacing-body-02);
}

/* 본문 - 강의 */

/* 강의 소개 */
.class-container {
  width: 1080px;
  display: flex;
  flex-direction: column;
  margin: 0 auto;
  padding-top: 40px;
}

.class-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.class-info-top {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.title-tag-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.class-title {
  font: var(--font-head-01);
  letter-spacing: var(--letter-spacing-head-01);
}

.best-tag {
  font: var(--font-body-05);
  letter-spacing: var(--letter-spacing-body-05);
  background-color: var(--color-bg-yellow);
  padding: 2px 4px;
  border-radius: 2px;
}

.class-count {
  font: var(--font-body-04);
  letter-spacing: var(--letter-spacing-body-04);
  color: var(--color-text-input);
}

.class-info-bottom {
  display: flex;
  gap: 30px;
}

.class-thumbnail {
  width: 344px;
}

.class-introduce {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.class-introduce-title {
  font: var(--font-body-02);
  letter-spacing: var(--letter-spacing-body-02);
  color: var(--color-text-gray-purple);
}

.class-introduce-desc {
  font: var(--font-body-05);
  letter-spacing: var(--letter-spacing-body-05);
  color: var(--color-text-input);
}

/* 본문 - 강의 목록 테이블 - 768px 이상 */
.class-list-container {
  display: flex;
  flex-direction: column;
}

.watch-class-text {
  font: var(--font-body-01-bold);
  letter-spacing: var(--letter-spacing-body-01);
  position: sticky;
  top: 0;
  background-color: var(--color-default-white);
  padding: 40px 0 10px 0;
}

.class-list-web {
  width: 100%;
  table-layout: fixed;
}

.table-head {
  background-color: var(--color-bg-able);
  border-top: 1px solid var(--color-border-100);
  border-bottom: 1px solid var(--color-border-100);
  font: var(--font-table-head-02);
  color: var(--color-text-gray-purple);
}

.table-head th {
  padding: 14.5px 33px;
  white-space: nowrap;
}

.table-head th:nth-of-type(1) {
  width: 7%;
}

.table-head th:nth-of-type(2) {
  width: 65%;
}

.table-head th:nth-of-type(3) {
  width: 10%;
}

.table-head th:nth-of-type(4) {
  width: 9%;
}

.table-head th:nth-of-type(5) {
  width: 9%;
}

.table-data {
  font: var(--font-body-04);
  letter-spacing: var(--letter-spacing-body-04);
  border-bottom: 1px solid var(--color-border-100);
}

.table-data td a {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.table-data td button {
  cursor: pointer;
}

.table-data td:nth-child(1) {
  /* 강의 번호 */
  padding: 11px 20px;
  text-align: center;
}

.table-data td:nth-child(2) {
  /* 강의명 */
  padding: 11px 24px;
}

.table-data td:nth-child(3),
.table-data td:nth-child(4) {
  /* 영상시간, 진행율 */
  color: var(--color-icon-dark);
  padding: 11px 20px;
  text-align: center;
}

.table-data td:nth-child(5) {
  /* 강의 보기 */
  padding: 8px 20px;
  text-align: center;
}

/* 본문 - 모바일용 강의 목록 테이블 - 360px ~ 767px */
.class-list-mobile {
  display: none;
}

.class-list-mobile-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border-100);
}

.class-list-mobile-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.class-list-mobile-title {
  font: var(--font-body-04);
  letter-spacing: var(--letter-spacing-body-04);
}

.time-progress-container {
  display: flex;
  gap: 10px;
  font: var(--font-body-05);
  letter-spacing: var(--letter-spacing-body-05);
  color: var(--color-icon-dark);
}

@media screen and (min-width: 768px) and (max-width: 1024px) {
  /* 상단 배너 */
  .banner-bg {
    background-image: url("../assets/purple_banner/sub_top_banner_768.png");
  }

  .banner-container {
    width: 90%;
  }

  /* 본문 - 강의 */
  /* 강의 소개 */
  .class-container {
    width: 90%;
  }

  .class-info-bottom {
    gap: 24px;
  }
}

@media screen and (max-width: 767px) {
  /* 상단 배너 */
  .banner-bg {
    background-image: url("../assets/purple_banner/sub_top_banner_768.png");
  }

  .banner-container {
    width: 90%;
  }

  .banner-container > img {
    display: none;
  }

  .banner-top-title {
    font: var(--font-head-01);
    letter-spacing: var(--letter-spacing-head-01);
  }

  .banner-top-desc {
    font: var(--font-body-04);
    letter-spacing: var(--letter-spacing-body-04);
  }

  /* 본문 - 강의 */
  /* 강의 소개 */
  .class-container {
    width: 90%;
    gap: 30px;
  }

  .class-title {
    font: var(--font-body-01-bold);
    letter-spacing: var(--letter-spacing-body-01);
  }

  .class-info-bottom {
    flex-direction: column;
    gap: 10px;
  }

  .class-thumbnail {
    width: 100%;
  }

  /* 본문 - 강의 목록 테이블 */
  .class-list-container {
    display: flex;
    flex-direction: column;
  }

  .watch-class-text {
    font: var(--font-body-03-bold);
    letter-spacing: var(--letter-spacing-body-03);
  }

  .class-list-web {
    display: none;
  }

  .class-list-mobile {
    display: block;
  }
}