* {
  margin: 0;
  padding: 0;
}

main {
  display: flex;
}

.c_contents_main {
  width: 100%;
  margin: 0 auto;
  margin-top: 2.4rem;
  display: flex;

  flex-direction: column;
  align-items: center;
  background-color: rgb(245, 245, 245);
}

/* 상단 부분 */
/* 상단 전체를 감싸는 워레퍼 */
.c_contents_section {
  width: 100%;
  background-color: rgb(25, 30, 35);
  padding: 50px 0;
}
/* 상단 좌측 텍스트 부분 */
.c_contents_wrap {
  display: flex;
  max-width: 1500px;
  margin: 0 auto;
  font-family: "Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif";
}
.c_main_headline {
  flex: 0.9;
  display: flex;
  flex-direction: column;
  padding: 0 30px;
  justify-content: center;
}
.c_main_headline * {
  padding: 20px 0;
}
/* 상단 제목 */
.c_main_headline h1 {
  color: #fff;
  font-size: 3rem;
  word-break: keep-all;
}
/* 상단 콘텐츠 내용 */
.c_contents_explanation_wrap {
  color: #fff;
  font-size: 1.3rem;
  line-height: 35px;
  word-break: keep-all;
}
/* 사용법 안내 워레퍼 */
.c_contents_guide_btn {
  padding-top: 40px;
  display: flex;
  justify-content: center;
}

/* 사용법 안내 버튼 */
.c_contents_guide_btn button {
  color: #fff;
  padding: 10px 60px;
  background-color: rgb(80, 110, 200);
  font-size: 2rem;
  cursor: pointer;
  border-radius: 10px;
  border: 1px solid rgb(80, 110, 200);
}
.c_main_headline_img_wrapper {
  flex: 1;
  height: 420px;
  padding: 0 30px;
}
.c_main_headline_img_wrapper video {
  flex: 1;
  width: 100%;
  border-radius: 10px;
}

/* ide icon + 강조 문구 */
.c_ide_section {
  width: 100%;
  padding: 50px 0;
}

/* 강조 문구 */
.c_contents_box_group {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
  font-size: 2.5rem;
  font-weight: bold;
}

/* 섹션 컨텐츠*/
/* 컨텐츠 전체 배경 */
.c_contents_section_wrap {
  max-width: 1300px;
}
.c_contents_wrap_div {
  display: flex;
  padding: 100px 0;
}
/* 텍스트 */
.c_content_text_wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: 0 30px;
  font-family: "Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif";
}
.c_content_text_wrapper h1 {
  font-size: 3rem;
  padding-bottom: 50px;
  font-weight: bold;
}
.c_content_text_wrapper span {
  font-size: 1.3rem;
  line-height: 2rem;
  word-break: keep-all;
}
/* 이미지 배경*/
.c_content_img_wrapper {
  flex: 1;
  height: 420px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgb(0, 30, 70);
  border-radius: 10px;
  margin: 0 30px;
}
/* 이미지 */
.about_content_story_img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}
/* 플렉스 순서 */
.first {
  order: 1;
}
.second {
  order: 2;
}

.c_auto_complete_gif {
  margin-top: 1.5rem;
  margin-left: 5rem;
  margin-bottom: 70px;
  width: 48rem;
}

.about_content_story_img3 {
  width: 34rem;

  /* margin-right: 6rem; */
  border-radius: 15px;
}

.c_li_height {
  margin-top: 70px;
  font-size: 26px;
}
.c_icon_hover {
  border-radius: 10px;
  margin: 1%;
  width: 110px;
  height: 100px;
  border: 1px solid #f3f4f6;
  box-shadow: -10px 12px 35px rgba(0, 0, 0, 0.1);
  background-color: white;
  cursor: pointer;
}
.c_icon_hover:hover {
  z-index: 0;
  border-radius: 10px;
  width: 110px;
  height: 120px;
  border: 1px solid #f3f4f6;
  border-color: #22d66a;
  display: block;
}
.c_icon_hover:hover .c_icon_name {
  display: block;
}
.c_idea_icon_rdier {
  display: block;
  margin: auto;
}
.c_icon_name {
  display: none;
  font-family: "SourceHanSansKR";
  text-align: center;
  font-size: 15px;
  color: #22d66a;
}

.c_icon_name.active {
  display: block;
}

.c_icon_hover.active {
  z-index: 0;
  border-radius: 10px;
  width: 110px;
  height: 120px;
  border: 1px solid #f3f4f6;
  border-color: #22d66a;
  display: block;
}

.c_idea_icon {
  display: block;
  margin: auto;
  width: 100px;
  height: 98px;
}
.c_idea_icon_rdier {
  width: 90px;
  padding-top: 5%;
  height: 86px;
}

.c_idea_icon_span {
  margin-left: 30px;
  position: absolute;
  font-size: 1.3rem;
  margin-top: 0px;
  margin-left: -50px;
}

.c_idea_icon_wrap {
  display: flex;
  justify-content: center;
  flex-direction: row;
  height: 120px;
}

/* 지원 ide 설명 */
.c_main_under_contents {
  justify-content: center;
}
.c_ide_intro {
  padding-top: 6%;
  text-align: center;
  font-size: 2.6rem;
}

.c_contents_section_signup {
  width: 100%;
  display: flex;
  justify-content: center;
  background-color: #363c46;
}

.c_signin_btn {
  margin: 20px 0;
  padding: 24px 36px;
  font-size: 36px;
  font-weight: 500;
  color: #fff;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  background-color: transparent;
  border: 1px solid #32dd75;
  border-radius: 3px;
}

.c_idea_icon_wrap {
  display: flex;
  flex-direction: row;
  height: 120px;
}
.c_supports_language {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 6%;
  margin-top: 3%;
}

/* 반응형 시작 */
@media (max-width: 1024px) {
  .c_ide_section {
    display: none;
  }
  .c_contents_section {
    padding: 0;
    padding-bottom: 20px;
  }
  .c_contents_wrap {
    flex-direction: column;
    justify-content: center;
  }
  .c_contents_explanation_wrap {
    max-width: 700px;
    text-align: center;
  }
  .c_main_headline {
    align-items: center;
  }
  .c_main_headline h1 {
    text-align: center;
  }
  .c_main_headline_img_wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .c_contents_wrap_div {
    flex-direction: column;
    padding: 50px 0;
  }
  .c_content_text_wrapper {
    order: 1 !important;
    align-items: center;
  }
  .c_content_text_wrapper span {
    text-align: center;
  }
  .c_content_img_wrapper {
    order: 2 !important;
    margin-top: 50px;
  }
  .c_content_img_wrapper img {
    width: 80%;
    height: 80%;
  }
}

@media (max-width: 500px) {
  .c_contents_section {
    padding: 25px 0;
  }
  .c_contents_wrap {
    padding: 0;
  }
  .c_main_headline {
    padding: 10px 10px;
  }
  .c_main_headline h1 {
    font-size: 1.5rem;
  }
  .c_contents_explanation_wrap {
    font-size: 1rem;
  }
  .c_content_text_wrapper h1 {
    font-size: 1.5rem;
  }
  .c_content_text_wrapper span {
    font-size: 1rem;
    line-height: 1.5rem;
  }
  .c_main_headline_img_wrapper {
    padding: 0 10px;
  }
  .c_main_headline_img_wrapper video {
    width: 100%;
    border: 1px solid #f3f4f6;
  }
  .c_content_img_wrapper img {
    width: 90%;
    height: 90%;
  }
  .c_contents_guide_btn {
    padding-top: 20px;
  }
  .c_contents_guide_btn button {
    padding: 5px 30px;
  }
  .c_signin_btn {
    padding: 20px 30px;
    font-size: 30px;
  }
}