.page-title {
  font-size: 28px;
  font-weight: bold;
  position: relative;
  margin-bottom: 20px;
  z-index: 1;
}

.page-title::after {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  background-color: #94c2c3;
  margin-top: 16px;
}

.page-title .highlight-circle {
  position: absolute;
  left: -40px;
  top: 33%;
  transform: translateY(-50%);
  width: 100px;
  height: 100px;
  background: rgba(228, 153, 130, 0.5);
  border-radius: 50%;
  z-index: -1;
  filter: blur(8px);
}

.breadcrumb {
  font-size: 14px;
  margin-bottom: 40px;
  color: #999;
}


.about-section {
  background: #faf9f5;
  padding: 80px 0 0;
  color: #4b3a34;
}

.about-section .container {
  width: 90%;
  max-width: 800px;
  margin: 0 auto;

}

.about-intro {
  padding: 20px 0 240px;
  background-image: url(../img/green.webp);
  background-size: cover;
  background-position: bottom;
  background-repeat: no-repeat;
}

.lead-text {
  font-size: 1.2rem;
  line-height: 2;
  color: #4b3a34;
  margin-bottom: 2em;
  text-align: center;
  font-weight: 500;

}

.intro-button {
  margin: 90px 0 100px;
  text-align: center;
}

.btn-outline {
  display: inline-block;
  padding: 12px 82px;
  border: 2px solid #4b3a34;
  color: #4b3a34;
  border-radius: 30px;
  font-weight: 500;
  font-size: .8;
  letter-spacing: .8px;
  text-decoration: none;
  transition: background 0.3s ease, color 0.3s ease;
}

.btn-outline:hover {
  background-color: #4b3a34;
  color: #fff;
}

.eco-link {
  margin-top: 6px;
}

.eco-link a {
  font-size: 14px;
  color: #5b8a8c;
  text-decoration: underline;
  transition: color 0.3s;
  display: inline-flex;
  align-items: center;
}

.eco-link svg {
  width: 20px;
  height: 20px;
}

.eco-link a:hover {
  color: #4b3a34;
}

.history-area {
  height: 100vh;
}

/* キャッチコピーセクション */
.fixed-catch {
  position: sticky;
  top: 0;
  height: 100vh;
  background: #faf9f5;
  display: flex;
  align-items: normal;
  justify-content: center;
  z-index: 2;
}

.catch-inner {
  position: relative;
  top: auto;
  transform: none;
  writing-mode: vertical-rl;
  text-align: center;
  animation: none;
  opacity: 0;
  filter: blur(6px);
  z-index: 2;
  pointer-events: none;
}

.catch-inner.animate {
  opacity: 1;
  filter: blur(0);
  transform: scale(1);
  transition: all 1s ease;
}



@keyframes fadeUpBlur {
  0% {
    opacity: 0;
    transform: translateY(20px);
    filter: blur(6px);
    visibility: hidden;
  }

  100% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
    visibility: visible;
  }
}



/* キャッチコピー */
.catch-copy {
  font-size: 2.4rem;
  font-weight: 500;
  font-family: 'Shippori Mincho B1', serif;
  color: #4b3a34;
  font-weight: normal;
  margin-bottom: 30px;
  letter-spacing: 4px;
}

/* サブテキスト */
.catch-sub {
  font-size: 1.2rem;
  font-family: 'Shippori Mincho B1', serif;
  color: #4b3a34;
  font-weight: 500;
  line-height: 1.8;
  margin-top: 20px;
  letter-spacing: 2px;
}

/* 赤い背景の円 */
.catch-highlight-circle {
  position: absolute;
  top: 8vh;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 200px;
  background: rgba(228, 153, 130, 0.5);
  border-radius: 50%;
  filter: blur(16px);
  z-index: -1;
}

.scroll-fade-up {
  opacity: 0;
  transform: translateY(40px);
  filter: blur(6px);
  transition: all 1.5s ease;
}

.scroll-fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.fixed-catch {
  transition: opacity 0.6s ease;
}

/* ３つの画像セクション */
.overlap-area {
  position: relative;
  z-index: 3;
  background-color: #faf9f5;

}

.overlap-item {
  position: sticky;
  top: 10vh;
  height: 100vh;
  width: 100%;
  z-index: 3;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
}


.image-wrapper {
  position: relative;
  width: 80%;
  height: auto;
}

.image-wrapper picture,
.image-wrapper img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
  display: block;
}

.center-text-block {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  text-align: center;
  z-index: 2;
  max-width: 450px;
  width: 90%;
}

.center-heading {
  font-size: 2.2rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

.center-line {
  width: 1px;
  height: 40px;
  background: #fff;
  margin: 0 auto 1.5rem;
}

.center-text {
  font-size: 1.2rem;
  font-weight: 500;
  text-align: justify;
  line-height: 2;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
}

/* モバイル対応 */
@media (max-width: 768px) {
  .image-wrapper {
    width: 90%;
  }

  .center-heading {
    font-size: 1.5rem;
  }
}

.catch-copy {
  margin-bottom: 10px;
}

.catch-highlight-circle {
  position: absolute;
  top: 12vh;
  left: 50%;
  transform: translateX(-50%);
}


.item01 {
  z-index: 4;
}

.item02 {
  z-index: 5;
}

.item03 {
  z-index: 6;
}

/* 構成図エリア */
.organization-section {
  position: relative;
  z-index: 900;
  padding: 60px 0;
  background: #faf9f5;
  background-image: url(../img/mokume_bg.webp);
  background-size: cover;
  background-position: bottom;
  background-repeat: no-repeat;
}

.organization-inner {
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
}

.organization-inner h2 {
  font-weight: 500;
  font-size: 1.3rem;
}

.organization-title {
  display: flex;
  align-items: center;
  gap: 30px;
}

.organization-box {
  border-bottom: 3px dotted #4b3a34;
}

.organization-box:last-of-type {
  border-bottom: none;
}

.g-link {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid #4b3a34;
  padding-bottom: 2px;
}

.g-link:hover {
  opacity: .7;
}

.arrow-right {
  width: 30px;
}

.update {
  font-size: 0.8rem;
}

.org-scroll-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 30px;
}

.organization-image {
  max-width: 100%;
  height: auto;
}

.organization-box {
  padding: 80px 0;
}

.swipe {
  display: none;
}

/* モバイル時だけ横スクロール対応 */
@media (max-width: 768px) {
  .org-scroll-wrap {
    width: 100%;
    white-space: nowrap;
  }

  .organization-title {
    width: 90%;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 10px;
  }

  .organization-image {
    width: 800px;
    max-width: none;
    display: inline-block;
    padding-left: 30px;
    padding-right: 10px;
  }

  .swipe {
    display: block;
    text-align: center;
    padding-top: 20px;
  }

  .organization-box {
    padding: 40px 0 80px 0;
  }

  .organization-box:last-of-type {
    padding: 80px 0;
  }

}













/* モバイル対応 */

@media screen and (max-width: 768px) {


  .page-title .highlight-circle {
    position: absolute;
    left: -10px;
    top: 20%;
    width: 70px;
    height: 70px;
  }

  .lead-text {
    text-align: left;
    padding: 0 20px;
  }

  .catch-title {
    font-size: 1.5rem;
    padding: 0 20px;
  }

  .fixed-catch {
    position: sticky;
    top: -50px;

  }
}