@charset "utf-8";
/* CSS Document */
@import url('https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c:wght@100;300;400;500;700;800;900&display=swap');

#briefing #contents {
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-weight: 500;
  margin: 0;
}
/*------------------------------
hero
------------------------------*/
.hero{
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-weight: 500;
  background: url(/briefing/img/main_visual.png) no-repeat right top;
  background-size: 50%;
}
.hero .hero_left{
  width: min(70%, 1200px);
  padding: 8% 0 10% 17%;
  background: url(/briefing/img/hero_bg.png) no-repeat top -50px left;
  background-size: 95%;
}
.hero .hero_title{
  color: #594302;
  font-size: 42px;
  font-weight: 800;
  line-height: 160%;
}
.hero .text_brown {
  font-size: clamp(28px, 3.15vw, 48px);
}
.hero .text_red {
  font-size: clamp(36px, 3.9vw, 60px);
  color: #E6001A;
  margin-left: -15px;
}
.hero .text_yellow {
  font-size: clamp(35px, 3.8vw, 58px);
  color: #F29300;
}
.hero .hero_sub {
  font-size: clamp(14px, 1.4vw, 20px);
  font-weight: 500;
  line-height: 180%;
  font-family: "Noto Sans JP";
}
.hero .hero_sub span{
  font-size: inherit;
  font-weight: 700;
  position: relative;
  z-index: 0;
  margin: 0 5px 0 0;
}
.hero .hero_sub span::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom:0;
  height: 16px;
  background: #FFE100;
  border-radius: 8px;
  z-index: -1;
}
.hero .hero_badges {
  width: 100%;
  display: flex;
  place-items: center;
  margin-top: -30px;
}
.hero a{
  border-radius: 8px;
  border: 1px solid #FF7E00;
  background: #FF7E00;
  box-shadow: 0 6px 0 0 #D96B00;
  display: inline-flex;
  padding: clamp(16px, 1.7vw, 25px) clamp(35px, 4.5vw, 65px);
  justify-content: center;
  align-items: center;
  gap: 8px;
  color: #FFF;
  font-family: "Noto Sans JP";
  font-size: clamp(18px, 1.8vw, 26px);
  font-weight: 700;
}

/*------------------------------
共通
------------------------------*/
h2{
  color: #594302;
  text-align: center;
  font-size: 40px;
  font-weight: 800;
  line-height: 140%;
  letter-spacing: 2px;
  margin-bottom: 40px;
}
h2 span{
  color: #E6001A;
}
.btn_area a{
  border-radius: 8px;
  border: 1px solid #FF7E00;
  background: #FF7E00;
  box-shadow: 0 6px 0 0 #D96B00;
  padding: 20px 0;
  color: #FFF;
  font-family: "Noto Sans JP";
  font-size: 24px;
  font-weight: 700;
  margin: 0 auto;
  display: block;
  width: 445px;
  text-align: center;
}


/*------------------------------
worries
------------------------------*/
.worries{
  position: relative;
  z-index: 1;
}
.worries .worries_inner{
  text-align: center;
}

/*------------------------------
solution
------------------------------*/
.solution {
  background: url(/briefing/img/solution_bg.png) no-repeat top center #FFFBDA;
  position: relative;
  padding: 100px 0 0;
  margin: -50px 0 0;
}
.solution::before {
  content: "";
  position: absolute;
  width: 560px;
  height: 162px;
  background: url(/briefing/img/solution_bg_top.png) no-repeat left top;
  top: 3%;
  left: 33%;
  transform: translateY(-50%) translateX(-50%);
  z-index: 1;
}
.solution > p{
  text-align: center;
  font-family: "Noto Sans JP";
  font-size: 18px;
  font-weight: 500;
  line-height: 180%;
    margin-bottom: 65px;
}
.solution .solution_inner{
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}
.solution .solution_inner ul{
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  margin-bottom: 65px;
}
.solution .solution_inner ul li {
  position: relative;
  width: calc((100% - 80px) / 3);
  border-radius: 16px 32px;
  background: #FFF;
  box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.10);
  padding: 45px 24px 24px;
}
.solution .solution_inner ul li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 30px;
  border-radius: 16px 32px 0 0;
  background: #FFF2F3;
}
.solution .solution_inner ul li .speech_bubble {
  background: url("/briefing/img/solution_sb.png") no-repeat;
  width: 122px;
  height: 53px;
  color: #FFF;
  text-align: center;
  font-size: 18px;
  font-weight: 800;
  padding: 7px 0 0 15px;
  position:absolute;
  z-index: 1;
  top: -20px;
  left: 24px;
}
.solution .solution_inner ul li h3{
  color: #594302;
  text-align: center;
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
  line-height: 1.4;
}
.solution .solution_inner ul li p{
  font-size: 16px;
  font-weight: 400;
  font-family: "Noto Sans JP";
}
.solution .solution_img_btm{
  text-align: center;
  position: relative;
}
.solution .solution_img_btm::before {
  content: "";
  position: absolute;
  width: 464px;
  height: 199px;
  background: url(/briefing/img/solution_bg_btm.png) no-repeat left top;
  left: 0;
  bottom: 0;
  z-index: 1;
}

/*------------------------------
flow_briefing
------------------------------*/
.flow_briefing  {
  width: 100%;
  max-width: 1280px;
  background: url("/briefing/img/bg_flow_top.png") no-repeat;
  margin: 80px auto 120px;
  padding: 1rem;
  border-radius: 60px;
  background-size: cover;
}
.flow_briefing .inner_bg {
  width: 100%;
  margin: 0 auto;
  padding: 50px 50px 60px;
  background: #fff;
  border-radius: 60px;
}
.flow_briefing .inner_bg h2{
  border-radius: 104px;
  background: #0FA73B;
  padding: 16px 0;
  color: #FFF;
  text-align: center;
  font-size: 40px;
  font-weight: 800;
  letter-spacing: 2px;
  max-width: 560px;
  margin: 0 auto 40px;
  position: relative;
}
.flow_briefing .inner_bg h2::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
  border-top: 15px solid #0FA73B;
}
.flow_briefing .inner_bg > p{
  text-align: center;
  font-family: "Noto Sans JP";
  font-size: 18px;
  margin-bottom: 25px;
}
.flow_briefing .flow {
  margin: 0 auto 50px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 1130px;
}

.flow_briefing .flow li{
  position: relative;
}
.flow_briefing .flow li div::before {
  content: "";
  width: 60px;
  height: 60px;
  position: absolute;
  top: -10px;
  left: -10px;
  z-index: 2;
}
.flow_briefing .flow li.step01 div::before {
  background: url(/briefing/img/num_01.png) no-repeat;
}

.flow_briefing .flow li.step02 div::before {
  background: url(/briefing/img/num_02.png) no-repeat;
}

.flow_briefing .flow li.step03 div::before {
  background: url(/briefing/img/num_03.png) no-repeat;
}

.flow_briefing .flow li.step04 div::before {
  background: url(/briefing/img/num_04.png) no-repeat;
}
.flow_briefing .flow li figure{
  width: 258px;
  height: 198px;
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-style: solid;
  border-width: 3px;
  border-radius: 32px;
  margin: 0 0 20px;
}
.flow_briefing .flow li.step01 figure {
  border-color: #F07A87;
}
.flow_briefing .flow li.step02 figure {
  border-color: #ECE03D;
}
.flow_briefing .flow li.step03 figure {
  border-color: #6FCCA3;
}
.flow_briefing .flow li.step04 figure {
  border-color: #77BBEA;
}
.flow_briefing .flow li h3 {
  color: #594302;
  text-align: center;
  font-size: 18px;
  font-weight: 800;
 transform: rotate(-0.05deg);
}

/*  SP */
@media screen and (max-width: 767px) {
.flow_briefing {
  width: 90%;
  background: url("/briefing/img/bg_flow_top_sp.png") no-repeat;
  margin: 60px auto;
  padding: 0.5rem;
  background-size: cover;
  border-radius: 16px;
}
.flow_briefing .inner_bg {
  width: 100%;
  margin: 0 auto;
  padding: 25px 25px 30px;
  background: #fff;
  border-radius: 16px;
}
.flow_briefing .inner_bg h2 {
  padding: 10px 0;
  font-size: 24px;
  margin: 0 auto 20px;
}
.flow_briefing .inner_bg > p {
  font-size: 14px;
}
  .flow_briefing .flow {
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
  }

  .flow_briefing .flow li {
    display: block;
    width: 100%;
  }
.flow_briefing .flow li.step01 div::before {
  background: url(/briefing/img/num_01.png) no-repeat;
  background-size: 65%;
}

.flow_briefing .flow li.step02 div::before {
  background: url(/briefing/img/num_02.png) no-repeat;
  background-size: 65%;
}

.flow_briefing .flow li.step03 div::before {
  background: url(/briefing/img/num_03.png) no-repeat;
  background-size: 65%;
}

.flow_briefing .flow li.step04 div::before {
  background: url(/briefing/img/num_04.png) no-repeat;
  background-size: 65%;
}

.flow_briefing .flow li > div {
    width: 258px;
    margin: 10px auto 0;
    position: relative;
  }
.flow_briefing .flow li figure {
  height: 140px;
  border-radius: 16px;
}
.flow_briefing .slick-slide img {
  display: block;
  object-position: center;
  object-fit: cover;
  width: 100%;
  height: 150px;
}
  /* 矢印 */
 .flow_briefing .flow .slick-prev,
  .flow_briefing .flow .slick-next {
    width: 40px;
    height: 40px;
    z-index: 10;
    top: 70px;
    border-radius: 50%;
    background: #E6001A;
    position: absolute;
    font-size: 0;
  }
/* デフォルトの文字を消す */
  .flow_briefing .flow .slick-prev::before,
  .flow_briefing .flow .slick-next::before {
    content: "";
    display: block;
    width: 10px;
    height: 10px;
    border-top: 3px solid #fff;
    border-right: 3px solid #fff;
    opacity: 1;
  }

  /* 左 ＜ */
  .flow_briefing .flow .slick-prev::before{
    left: 54%;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%) rotate(-135deg);
  }

  /* 右 ＞ */
  .flow_briefing .flow .slick-next::before{
    left: 48%;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
  }
.flow_briefing .flow .slick-prev {
  left: calc(57% - 169px);
}

.flow_briefing .flow .slick-next {
  right: calc(57% - 169px);
}

}

/*------------------------------
reason
------------------------------*/
.reason {
  background: url(/briefing/img/reason_bg.png) no-repeat top center #EDFDEE;;
  position: relative;
  padding: 100px 0 80px;
}
.reason::before {
  content: "";
  position: absolute;
  width: 430px;
  height: 500px;
  background: url(/briefing/img/reason_bg_right.png) no-repeat right top;
  top: -100px;
  right:0;
  z-index: 1;
}
.reason::after {
  content: "";
  position: absolute;
  width: 358px;
  height: 398px;
  background: url(/briefing/img/reason_bg_btm.png) no-repeat left;
  left: 0;
  bottom: -80px;
  z-index: 1;
}
.reason h2 {
  position: relative;
}
.reason h2::before{
  content: "";
  position: absolute;
  width: 611px;
  height: 126px;
  background: url(/briefing/img/reason_bg_left.png) no-repeat left top;
  top: -73px;
  left: 32%;
  z-index: 1;
  transform: translateY(-50%) translateX(-50%);
}
.reason > p{
  text-align: center;
  font-family: "Noto Sans JP";
  font-size: 18px;
  font-weight: 500;
  line-height: 180%;
    margin-bottom: 65px;
}
.reason ul{
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  position: relative;
  z-index: 1;
}
.reason ul li {
  position: relative;
  max-width: 400px;
  width: 100%;
  border-radius: 25px;
  background: #FFF;
  box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.10);
  padding:0 0 25px;
}
.reason ul li h3{
  color: #594302;
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
  line-height: 1.4;
  padding: 0 25px;
}
.reason ul li figure{
  margin-bottom: 25px;
}
.reason ul li figure img{
  border-radius: 25px 25px 0 0;
}
.reason ul li p{
  font-size: 16px;
  font-weight: 400;
  font-family: "Noto Sans JP";
  padding: 0 25px;
}

/*------------------------------
lesson
------------------------------*/
.lesson{
  padding: 80px 0 160px;
}
.lesson_inner {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}
.lesson h2{
  background: url(/briefing/img/lesson_illust01.png) no-repeat left, url(/briefing/img/lesson_illust02.png) no-repeat right 40px center;
  max-width: 1050px;
  margin: 0 auto 40px;
}
.lesson .lesson_txt{
  text-align: center;
  font-family: "Noto Sans JP";
  font-size: 18px;
  margin-bottom: 50px;
}
.lesson .lesson_txt span{
  font-size: 16px;
}
.lesson .lesson_ex{
  border-radius: 90px;
  border: 1px solid #E6001A;
  display: flex;
  padding: 16px 0;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #E6001A;
  font-family: "Noto Sans JP";
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 40px;
}
.lesson .lesson_ex_list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.lesson .lesson_ex_list li:nth-child(odd) {
  max-width: 500px;
  width: 100%;
}
.lesson .lesson_ex_list li:nth-child(even) {
  width: calc(100% - 540px);
}

.lesson .lesson_ex_list li img{
  border-radius: 40px;
  margin-bottom: 40px;
}
.lesson .lesson_ex_list li:nth-of-type(1) img {
  margin: 20px 0;
}
.lesson .lesson_ex_list li h3{
  display: flex;
  color: #594302;
  font-size: 24px;
  font-weight: 800;
  margin: 20px 0 10px;
}
.lesson .lesson_ex_list li:nth-of-type(2) h3{
  margin: 0 0 10px;
}
.lesson .lesson_ex_list li h3 span{
  border-radius: 72px;
  background: #E6001A;
  display: flex;
  width: 38px;
  height: 38px;
  justify-content: center;
  align-items: center;
  color: #FFF;
  text-align: center;
  font-size: 20px;
  margin-right: 15px;
}
.lesson .lesson_ex_list li p {
  font-family: "Noto Sans JP";
  font-size: 18px;
  border-bottom: 3px dotted #907422;
  padding: 0 0 30px 55px;
  margin-bottom: 30px;
}

/*------------------------------
voice
------------------------------*/
.voice {
  background: url(/briefing/img/voice_bg.png) no-repeat center center #EEF8FF;
  position: relative;
  padding: 80px 0;
}
.voice::before {
  content: "";
  position: absolute;
  width: 570px;
  height: 460px;
  background: url(/briefing/img/voice_bg_top.png) no-repeat right top;
  top: -100px;
  right: 0;
  z-index: 0;
}
.voice::after {
  content: "";
  position: absolute;
  width: 570px;
  height: 460px;
  background: url(/briefing/img/voice_bg_top.png) no-repeat right top;
  top: -100px;
  right: 0;
  z-index: 1;
}
.voice .voice_bg_btm_left {
  position: absolute;
  bottom: -200px;
  left: 0;
  z-index: 0;
}
.voice .voice_bg_btm_right {
  position: absolute;
  bottom: -100px;
  right: 0;
  z-index: 0;
}
.voice ul{
  max-width: 1350px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  margin-bottom: 65px;
  position: relative;
  z-index: 2;
}
.voice ul li {
  position: relative;
  max-width: 615px;
  width: 100%;
  border-radius: 40px;
  background: #FFF;
  box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.05);
  padding: 30px;
  margin-top: -120px;
}
.voice ul li.voice_title{
  box-shadow: none;
  background: url(/briefing/img/voice_title_bg.png) no-repeat right top;
  max-width: 710px;
  width: 100%;
  height: 515px;
  position: relative;
  top: -170px;
  margin: 0 0 0 -180px;
}
.voice ul li:nth-of-type(2){
  max-width: 600px;
  margin-left: -120px;
  height: 100%;
  margin-top: 0;
  
}
.voice ul li.voice_title h2{
  position: absolute;
  top: 54%;
  left: 47%;
  transform: translateY(-50%) translateX(-50%);
}
.voice ul li .voice_tit{
  display: flex;
  border-bottom: 3px dotted #77BBEA;
  margin-bottom: 25px;
  padding: 0 0 20px;
}
.voice ul li .voice_tit figure{
  margin-right: 20px;
}
.voice ul li .voice_tit .voice_tit_inner{
  color: #594302;
  font-size: 24px;
  font-style: normal;
  font-weight: 800;
}
.voice ul li .voice_tit .voice_tit_inner span{
  color: #333;
  font-family: "Noto Sans JP";
  font-size: 18px;
  font-weight: 500;
  line-height: 160%;
}
.voice ul li p {
  font-family: "Noto Sans JP";
  font-size: 18px;
  font-weight: 400;
  line-height: 160%;
}

/*------------------------------
qa
------------------------------*/
.qa{
  padding: 100px 0;
}
.qa .qa_inner{
  max-width: 1280px;
  margin:0 auto;
  width: 100%;
}
.qa .qa_list{
 display: block;
}
.qa .qa_list dt{
  position: relative;
  padding: 15px 20px;
  width: 100%;
  margin-top: 40px;
  border-radius: 32px;
  background: #FFFBDA;
}
.qa .qa_list dt.active{
  border-radius: 32px 32px 0 0;
  background: #FFFBDA;
}
.qa .qa_list dt::before{
  content: "";
  position: absolute;
  background: url(/briefing/img/q.png) no-repeat;
  width:32px;
  height: 32px;
  top: 17px;
}
.qa .qa_list dt::after{
  content: "";
  position: absolute;
  top: 45%;
  right: 40px;
  width: 19px;
  height: 11px;
  background: url("/briefing/img/qa_arrow.png") no-repeat right center;
  border-radius:50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  text-align: center;
  transition:opacity 0.3s ease;
}

.qa .qa_list dt.active::after {
  content: ""; 
  transform: scaleY(-1);
  top: 45%;
}
.qa .qa_list dt h3{
  font-weight: bold;
  padding: 0 0 0 50px;
  color: #560000;
  font-size: 24px;
}
.qa .qa_list dd{
  display: none;
  font-size: 14px;
  padding: 0 20px 15px;
  background: #FFFBDA;
  border-radius: 0 0 32px 32px;
}
.qa .qa_list dd p{
  width: 100%;
  line-height: 1.6;
  position: relative;
  border-radius: 24px;
  background: #FFF;
  padding: 15px 15px 15px 70px;
  font-family: "Noto Sans JP";
  font-size: 18px;
}
.qa .qa_list dd p::before{
  content: "";
  position: absolute;
  background: url(/briefing/img/a.png) no-repeat;
  width: 32px;
  height: 32px;
  top: 15px;
  left: 20px;
}
.qa .qa_list dd p span{
  font-size: 11px;
}

.qa .qa_list dd p a{
  font-size: 18px;
  text-align: left;
  color: #d73c1e;
  text-decoration: underline;
}
.qa .qa_list dd p a:nth-of-type(2){
  display: inline-block;
  margin-top: 10px;
}

/*------------------------------
btn_areaL
------------------------------*/
.btn_areaL{
  background: url(/briefing/img/btn_areaL_bg.png) no-repeat center;
  padding: 80px 0;
  background-size: cover;
}
.btn_areaL h2 {
  margin-bottom: 20px;
}
.btn_areaL p{
  text-align: center;
  font-family: "Noto Sans JP";
  font-size: 18px;
  margin-bottom: 30px;
}


@media screen and (max-width: 720px) {
/*------------------------------
hero
------------------------------*/
.hero {
  background: none;
}
.hero .mv_sp img{
  width: 100%;
}
.hero .hero_left {
  width: 100%;
  background: none;
  padding: 0 20px 20px;
  margin-top: -20px;
}  
.hero .hero_title {
  font-size:18px;
}
.hero .hero_title img{
  width: 100%;
}  
.hero .text_brown {
  font-size: 22px;
}
.hero .text_red {
  font-size: 28px;
  margin-left: -8px;
} 
.hero .text_yellow {
  font-size: 26px;
} 
.hero .hero_badges {
  margin: 0 0 30px;
}
.hero .hero_badges img{
  width: 150px;
} 
.hero .hero_sub span::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 10px;
  background: #FFE100;
  border-radius: 8px;
  z-index: -1;
}
.hero a {
  padding: 20px 0;
  width: 100%;
} 
  
/*------------------------------
共通
------------------------------*/  
h2 {
  font-size: 24px;
  margin-bottom: 30px;
}
.btn_area a {
  font-size: 18px;
  width: 100%;
}
/*------------------------------
worries
------------------------------*/  
.worries .worries_inner img{
  width: 100%;
}  

/*------------------------------
solution
------------------------------*/ 
 .solution {
    background: url(/briefing/img/solution_bg_sp.png) no-repeat top center,url(/briefing/img/solution_bg_so02.png) no-repeat bottom 8% right #FFFBDA;
    position: relative;
    padding: 70px 0 0;
    margin: -35px 0 0;
    background-size: 100%, 39%;
  }
.solution::before{
    content: "";
    position: absolute;
    width: 100%;
    height: 162px;
    background: url(/briefing/img/solution_bg_top.png) no-repeat left top;
    top: 10px;
    left: -18px;
    transform: initial;
    z-index: 1;
    background-size: 49%;
  }
.solution > p {
  text-align: left;
  font-size: 14px;
  margin-bottom: 40px;
  padding: 0 20px;
}
.solution .solution_inner {
  width: 90%;
  margin: 0 auto;
}
.solution .solution_inner ul {
  display: block;
  margin-bottom: 65px;
} 
.solution .solution_inner ul li {
  width: 100%;
  padding: 40px 15px 20px;
  margin: 0 0 40px;
  border-radius: 8px 16px;
}  
.solution .solution_inner ul li::before {
  content: "";
  position: absolute;
  height: 24px;
  border-radius: 8px 16px 0 0;
} 
.solution .solution_inner ul li h3 {
  font-size: 18px;
}
.solution .solution_inner ul li p {
  font-size: 14px;
} 
.solution .solution_inner ul li .speech_bubble {
  background: url("/briefing/img/solution_sb.png") no-repeat;
  width: 122px;
  height: 53px;
  color: #FFF;
  text-align: left;
  font-size: 16px;
  font-weight: 800;
  padding: 3px 0 0 31px;
  position: absolute;
  z-index: 1;
  top: -15px;
  left: 13px;
  background-size: 70%;
}
.solution .solution_img_btm img{
  width: 100%;
} 
.solution .solution_img_btm::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 199px;
  background: url(/briefing/img/solution_bg_btm.png) no-repeat left bottom;
  left: 0;
  bottom: 0;
  z-index: 1;
  background-size: 25%;
}
/*------------------------------
reason
------------------------------*/   
.reason {
  background: url(/briefing/img/reason_bg.png) no-repeat top center #EDFDEE;
  position: relative;
  padding: 50px 0;
}
.reason::before {
    content: "";
    position: absolute;
    width: 100%;
    background: url(/briefing/img/reason_bg_right.png) no-repeat right top;
    top: -41px;
    right: 0;
    z-index: 0;
    background-size: 30%;
  }
.reason h2 {
  letter-spacing: 0;
}
.reason h2::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 126px;
    background: url(/briefing/img/reason_bg_left.png) no-repeat left top;
    top: -70px;
    left: 0;
    z-index: 1;
    transform: initial;
    background-size: 60%;
  }
 .reason ul {
  width: 90%;
  gap: 25px;
}
.reason ul li h3 {
  font-size: 18px;
}
.reason ul li p {
  font-size: 14px;
}
 
.reason ul li figure img {
  width: 100%;
} 
.reason::after {
  content: "";
  position: absolute;
  width: 358px;
  height: 398px;
  background: url(/briefing/img/reason_bg_btm.png) no-repeat left;
  left: 0;
  bottom: -80px;
  z-index: 1;
  background-size: 20%;
}
.reason::after {
    content: "";
    position: absolute;
    width: 358px;
    height: 398px;
    background: url(/briefing/img/reason_bg_btm.png) no-repeat left;
    left: 0;
    bottom: -163px;
    z-index: 0;
    background-size: 32%;
  }    
  
/*------------------------------
lesson
------------------------------*/
.lesson {
  padding: 60px 0 90px;
}
.lesson_inner {
  width: 90%;
}
.lesson h2 {
  background: none;
  margin: 0 auto 30px;
}
.lesson h2 img{
  width: 100%;
  margin-bottom: 15px;
}
.lesson .lesson_txt {
  font-size: 14px;
  margin-bottom: 30px;
}
.lesson .lesson_txt span {
  font-size: 12px;
}
.lesson .lesson_ex {
  padding: 10px 0;
  font-size: 18px;
  margin: 0 0 30px;
}
  
.lesson .lesson_ex_list {
  display: block;
}  

.lesson .lesson_ex_list li:nth-child(even) {
  width: 100%;
}
.lesson .lesson_ex_list li:nth-child(odd) {
  max-width: 100%;
  width: 100%;
} 
 .lesson .lesson_ex_list li img {
    width: 100%;
    margin-bottom: 20px;
    border-radius: 20px;
  }
.lesson .lesson_ex_list li:nth-of-type(1) img {
  margin: 0 0 20px;
} 
.lesson .lesson_ex_list li h3 {
  font-size: 18px;
  margin: 0;
}
 .lesson .lesson_ex_list li:nth-of-type(2) h3 {
  margin: 0;
}
.lesson .lesson_ex_list li p {
  font-size: 14px;
  border-bottom: 2px dotted #907422;
}
/*------------------------------
voice
------------------------------*/  
.voice {
  background: #EEF8FF;
  padding: 0 0 10px;
}
.voice::before,
.voice::after{
  display: none;
}
.voice ul {
  width: 90%;
  position: relative;
  top: -50px;
  gap: 20px;
  margin-bottom: 0;
}
.voice ul li {
  width: 100%;
  border-radius: 20px;
  padding: 24px;
  margin-top: 0;
}
.voice ul li:nth-of-type(2) {
  margin-left: 0;
}
.voice ul li.voice_title{
    box-shadow: none;
    background: url(/briefing/img/voice_title_bg_sp.png) no-repeat center top;
    max-width: 100%;
    width: 100%;
    height: auto;
    position: relative;
    top:0;
    margin: 0 auto;
    background-size: 90%;
  padding: 18px 0;
  }
.voice ul li.voice_title h2 {
  position: initial;
  transform: initial;
  padding: 40px 0 0;
}
.voice ul li .voice_tit {
  display: block;
  border-bottom: 2px dotted #77BBEA;
  margin-bottom: 20px;
  padding: 0 0 10px;
}
.voice ul li .voice_tit .voice_tit_inner {
  font-size: 18px;
}
.voice ul li .voice_tit .voice_tit_inner span {
  font-size: 14px;
}
.voice ul li .voice_tit figure {
  text-align: center;
  margin-bottom: 10px;
}
.voice ul li p {
  font-size: 14px;
}  
.voice .voice_bg_btm_right {
  position: absolute;
  bottom: -45px;
  right: 0;
  z-index: 0;
  text-align: right;
} 
.voice .voice_bg_btm_right img{
  width: 35%;
} 
/*------------------------------
qa
------------------------------*/  
.qa {
  padding: 60px 0 0;
}
.qa .qa_inner {
  width: 90%;
} 
.qa .qa_list dt {
  border-radius: 16px;
  margin-top: 20px;
}
.qa .qa_list dt.active {
  border-radius: 16px 16px 0 0;
}
.qa .qa_list dt h3 {
  font-size: 18px;
  padding: 0 20px 0 50px;
}
.qa .qa_list dd p {
  border-radius:8px;
  font-size: 14px;
}
.qa .qa_list dt::after {
  right: 15px;
}
.qa .qa_list dd {
  border-radius: 0 0 16px 16px;
}
  
/*------------------------------
btn_areaL
------------------------------*/  
.btn_areaL {
  background: url(/briefing/img/btn_areaL_bg_sp.png) no-repeat center;
  padding: 60px 20px;
  background-size: cover;
  position: relative;
}
.btn_areaL p{
    text-align: left;
    font-size: 14px;
    width: 80%;
    margin: 0 auto 30px;
  position: relative;
  }
.btn_areaL p::before {
    position: absolute;
    content: "";
    background: url(/briefing/img/teacher_right.png) no-repeat right bottom;
    width: 100%;
    height: 212px;
    background-size: 36%;
    bottom: -80%;
    right: -10%;
  }
.btn_areaL .teacher_left {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 26%;
  z-index: 2;
  }
.btn_areaL .teacher_left img {
    width: 100%;
  }
.btn_areaL .btn_area{
  z-index: 1;
  position: relative;
}
}