body {
  margin: 0;
  font-family: sans-serif;
  color: #535353;
}
.helvetica {
font-family: "helvetica-lt-pro", sans-serif;
}
.sp-br {
  display: none;
}
.container {
  width: min(1100px, 90%);
  margin: auto;
}
.hero-inner {
  display: flex;
  align-items: center;
  gap: 80px;
}
.hero-image {
  width:100%;
  height:800px;
  overflow:hidden;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit:cover;
  object-position:center center;
}
.lead {
  max-width: 520px;
  margin: 120px auto;
  text-align: center;
}
.lead p {
  font-size: 16px;
  line-height: 2.4;
  letter-spacing: 0.02em;
  color: #666;
  font-weight: 300;
}
.campaign-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 20px;
}
.campaign-title::before, .campaign-title::after {
  content: "";
  width: 60px;
  height: 1px;
  background: #78be43;
}
.campaign-banner {
  width: min(100%, 680px);
  margin: 40px auto;
}
.campaign-banner img {
  width: 100%;
  display: block;
  border: 1px solid #e5e5e5;
  transition: opacity .3s ease;
}
.campaign-caption {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.8;
  color: #666;
  text-align: left;
}
.campaign-caption a {
  color: #74BE4B;
  text-decoration: none;
  font-weight: 500;
}
.campaign-caption a:hover {
  text-decoration: underline;
}
.campaign-banner a {
  display: block;
}
.campaign-banner a:hover img {
  opacity: 0.85;
}
.campaign-banner a {
  cursor: pointer;
}
.howto-header {
  padding: 60px 20px;
  margin: 100px 0 0px;
  text-align: center;
}
.howto-subtitle {
  margin: 0;
  font-size: 30px;
  font-weight: 300;
  font-weight: bold;
  line-height: 1;
}
.howto-title {
  margin: 6px 0 0;
  font-size: 16px;
  font-weight: bold;
}
.style-item p {
  font-size: 14px;
}
/* セット例 */
.set-list {
  margin-top: 40px;
}
.set-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  margin: 10px 0;
}
.set-name {
  white-space: normal;
}
.set-line {
  flex: 1;
  border-bottom: 2px dotted #8ab76f;
}
.set-btn {
  padding: 3px 9px;
  border: 1px solid #8ab76f;
  text-decoration: none;
  background: #fff;
  color: #7bbf53;
}
.style-item {
  display: flex;
  align-items: center;
  gap: 50px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}
.style-item.reverse {
  flex-direction: row-reverse;
}
.style-image {
  flex-shrink: 0;
}
.style-image img {
  width: 500px;
  display: block;
}
.style-text {
  flex: 1;
}
.style-text p {
  line-height: 1.8;
}
.set {
  font-size: 12px;
  color: #666;
}
.challenge-movie {
  width: min(100%, 500px);
  margin: 40px auto;
  border: 1px solid #e5e5e5;
}
.challenge-movie iframe {
  width: 100%;
  aspect-ratio: 9 / 16;
  border: none;
}
.style-divider {
  position: relative;
  width: 120px;
  margin: 80px auto;
}
.style-divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: #d9d9d9;
}
.style-divider span {
  display: block;
  width: 10px;
  height: 10px;
  margin: auto;
  background: #74BE4B;
  border-radius: 50%;
  position: relative;
}
.challenge {
  margin: 0px 20px;
}
.challenge-wrap {
  max-width: 1200px;
  margin: 120px auto;
  padding: 80px 60px;
  border: 1px solid #74BE4B;
  position: relative;
}
.challenge-wrap::before {
  content: "35 DAY CHALLENGE";
  position: absolute;
  top: -10px;
  left: 40px;
  background: #fff;
  padding: 0 12px;
  color: #74BE4B;
  font-size: 12px;
  letter-spacing: .1em;
}
@media (max-width:1200px) {
  .hero-image{
    height:auto;
  }

  .hero-image img{
    height:auto;
    object-fit:unset;
  }
  }
@media (max-width:1000px) {
  .style-item, .style-item.reverse {
    flex-direction: column;
    align-items: center;
    gap: 25px;
    padding: 0 20px;
    box-sizing: border-box;
  }
  .style-image, .style-text {
    width: 100%;
    max-width: 500px;
  }
  .style-image {
    flex-shrink: 1;
  }
  .style-image img {
    width: 100%;
    max-width: 500px;
  }
  .swiper-pagination{
    position:relative;
    bottom:auto;
    margin-top:20px;
  }	
}
@media (max-width:768px) {
  .lead p {
    font-size: 14px;
  }
  .campaign-title {
    font-size: 18px;
  }
  .hero-inner {
    flex-direction: column;
    gap: 40px;
  }
  .step-text{
    font-size:15px;
    line-height:1.8;
  }
  .set-item{
    font-size:14px;
    line-height:1.6;
  }
  .set-item {
    display: block;
  }
  .set-line {
    display: none;
  }
  .set-btn {
    display: inline-block;
    margin-top: 8px;
  }
  .style-text {
    text-align: left;
  }
  .challenge {
    margin: 0px 10px;
  }
  .challenge-wrap {
    margin: 60px 20px;
    padding: 40px 0px;
  }
  .style-thumbs {
    display: flex;
    gap: 10px;
  }
  .style-thumbs img {
    width: calc(33.333% - 7px);
  }
}
.pd-1 {
  padding: 20px;
}
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}
/* 縦線 */
.timeline::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: #74BE4B;
}
.timeline-item {
  display: grid;
  grid-template-columns: 40px 1fr 220px;
  gap: 40px;
  margin-bottom: 80px;
  position: relative;
}
.timeline-marker {
  width: 14px;
  height: 14px;
  border: 1px solid #74BE4B;
  background: #fff;
  border-radius: 50%;
  margin: 0 0 0 10px;
  z-index: 1;
}
.timeline-content h3 {
  margin: 0 0 10px;
  font-size: 24px;
  font-weight: bold;
}
.timeline-image img {
  width: 100%;
  display: block;
}
/* スライダー */
.slider-wrap {
  position: relative;
  padding: 0 60px;
}
.growth-slider {
  max-width: 900px;
  margin: 0 auto;
  padding: 80px 20px;
}
.growth-card {
  display: flex;
  align-items: flex-start;
  gap: 80px;
  padding: 50px;
}
.growth-image {
  width: 45%;
  min-width: 300px;
}
.growth-image img {
  width: 100%;
  display: block;
  border: 1px solid #e5e5e5;	
}
.growth-text {
  width: 55%;
}
.growth-text h4 {
  margin-bottom: 0px;
}
.day-title {
  margin-bottom: 30px;
  line-height: 1;
  margin: 0 0 25px;
}
.day-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #74BE4B;
  font-weight: 500;
  margin-bottom: 8px;
}
.day-number {
  display: block;
  font-size: 33px;
  font-weight: 200;
  color: #555;
  letter-spacing: 0.02em;
}
.step {
  color: #7cab61;
  margin-bottom: 20px;
}
.step-text {
  font-size: 14px;
  margin: 6px 0;
}

.growth-detail{
  margin-top:20px;
}

.growth-detail summary{
  cursor:pointer;
  font-size:14px;
  font-weight:bold;
  color:#74BE4B;
  list-style:none;
}

.growth-detail summary::-webkit-details-marker{
  display:none;
}

.growth-detail summary::after{
  content:"＋";
  float:right;
}

.growth-detail[open] summary::after{
  content:"－";
}
.pc-only{
  display:block;
}
.sp-only{
  display:none;
}

@media (max-width:1000px){
  .pc-only{
    display:none;
  }
  .sp-only{
    display:block;
	}
}
.point-box {
  margin-top: 30px;
  padding: 25px;
  background: #f8f8f8;
  font-size: 13px;
}
.point-box li {
  margin-bottom: 5px;
}
.point-box ul {
  padding-left: 1.2em;
  margin: 5px 0 0px;
}
ul + .point {
  display: block;
  margin-top: 25px;
}
.point {
  font-weight: bold;
}
.swiper-button-prev, .swiper-button-next {
  color: #74BE4B;
  opacity: .7;
}
.swiper-button-prev:after, .swiper-button-next:after {
  font-size: 28px;
}
/* 
.swiper-button-prev:after{
  content:"<";
  font-size:40px;
  font-weight:100;
}

.swiper-button-next:after{
  content:">";
  font-size:40px;
  font-weight:100;
}*/
.swiper-button-prev:hover, .swiper-button-next:hover {
  opacity: 1;
}
.swiper-button-prev {
  left: 0;
}
.swiper-button-next {
  right: 0;
}
.swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  background: #d0d0d0;
  opacity: 1;
  transition: .3s;
}
.swiper-pagination-bullet-active {
  width: 24px;
  border-radius: 999px;
  background: #74BE4B;
}
@media (max-width: 1000px) {
  .day-number {
    font-size: 26px;
  }
  .growth-slider {
    padding: 80px 0px;
  }
  .slider-wrap {
    padding: 0 0px;
  }
  .challenge-wrap::before {
    font-size: 14px;
  }
  .growth-card {
    flex-direction: column;
    gap: 30px;
    padding: 0px 35px;
  }
  .growth-image {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    min-width: 100px;
  }
  .growth-text {
    width: 100%;
  }
}
@media (max-width: 768px) {
  .swiper-button-prev {
    left: -0px;
  }
  .swiper-button-next {
    right: -0px;
  }
  .sp-br {
    display: block;
  }
}
/* フッターー */
footer {
  background-color: #74BE4B;
  color: #fff;
  height: 200px;
}
.footer-logo {
  width: 200px;
  height: auto;
  display: block;
  margin: 0 auto;
  padding-top: 80px;
}
footer p {
  text-align: center;
  font-size: 10px;
  margin: 0;
}