/*--------------------------------------------------------------
8. Hero Section
--------------------------------------------------------------*/
.hero-section,
.hero-container {
  background: #e6ff1c;
}

.hero-section {
  position: relative;
  width: 100vw;
  max-width: 100vw;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

.hero-section::before {
  content: "F";
  position: absolute;
  left: 18%;
  transform: translateX(-50%);
  top: 30rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: #000;
  z-index: 10;
  pointer-events: none;
}

.hero-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2em 1em;
}

.hero-logo {
  display: flex;
  flex: 1 1 200px;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  align-self: stretch;
  position: relative;
}

.hero-logo img {
  display: block;
  height: auto;
  max-width: 400px;
}

.hero-image-wrap {
  position: relative;
  flex: 2 1 300px;
}

.hero-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  overflow: hidden;
}

.hero-catchcopy {
  position: absolute;
  top: 50%;
  left: -10%;
  transform: translateY(-50%);
  z-index: 10;
  text-align: center;
}

.hero-catchcopy span {
  display: table;
  margin-bottom: 0.5em;
  padding: 0.1em 3em;
  background: #fff;
  letter-spacing: 0.3em;
  box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.15);
  font-family: 'Noto Serif JP', serif;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.8;
}

.hero-catchcopy span:last-child {
  margin-bottom: 0;
}

/*--------------------------------------------------------------
9. Hero下の縦線装飾
--------------------------------------------------------------*/
#main-content {
  position: relative;
}

#main-content::before {
  content: "";
  position: absolute;
  left: 18%;
  transform: translateX(-50%);
  top: calc(30rem + 2.5rem);
  bottom: 0;
  width: 2px;
  background: #000;
  z-index: 1;
  pointer-events: none;
}

/*--------------------------------------------------------------
10. Introduce Section
--------------------------------------------------------------*/
#introduce {
  position: relative;
  background: #e6ff1c;
  border-bottom-left-radius: 4rem;
  border-bottom-right-radius: 4rem;
  overflow: visible;
}

.introduce-inner {
  position: relative;
  margin-left: calc(18% - 4rem);
  margin-bottom: 12em;
  padding: 12rem 2rem 8rem;
  line-height: 1.8;
  letter-spacing: 0.4em;
}

#introduce .section-title,
#introduce .introduce-lead,
#introduce .introduce-text {
  display: inline-block;
  position: relative;
  z-index: 2;
  background: #e6ff1c;
}

#introduce .section-title,
#introduce .introduce-lead {
  padding-right: 0.5em;
  font-size: 2.4rem;
}

#introduce .section-title {
  padding-top: 1em;
}

#introduce .introduce-text {
  font-size: 1.2rem;
  padding: 4rem 0;
}

/*--------------------------------------------------------------
11. Case Studies Section（スライダー）
--------------------------------------------------------------*/
#case-studies .case-studies-inner {
  z-index: 2;
  background: #fff;
  margin: 4em 0 0;
  position: relative;
  overflow: visible;
}

#case-studies .case-studies-inner .section-title {
  z-index: 2;
  background: #fff;
  margin-left: calc(18% - 4rem);
  padding: 4rem 2rem 2rem;
  line-height: 1.8;
  letter-spacing: 8px;
}

#case-studies .case-slider {
  background: #fff;
  position: relative;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  padding: 1em;
  overflow: visible;
  z-index: 3;
}

#case-studies .case-slider .slick-list {
  overflow: visible;
}

#case-studies .case-slider .slick-slide {
  padding: 0 0.5rem;
  box-sizing: border-box;
}

#case-studies .case-slider .slick-slide img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

#case-studies .case-slider .slick-slide:not(.slick-center) img {
  opacity: 0.8;
}

/*--------------------------------------------------------------
12. CTA Section
--------------------------------------------------------------*/
#cta {
  position: relative;
  z-index: 2;
  background-color: #e6ff1c;
  border-radius: 2rem;
  padding: 8em 0.5em;
  margin: 20em 3em 8em;
  text-align: center;
}

#cta .cta-text {
  font-size: 1.5rem;
  line-height: 1.8;
  margin-bottom: 4rem;
  color: #000;
  font-family: 'Playfair Display', serif;
  letter-spacing: 0.4em;
}

#cta .cta-btn {
  display: inline-block;
  background-color: #000;
  color: #fff;
  padding: 1rem 3rem;
  border-radius: 3rem;
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 600;
  font-family: 'Noto Serif JP', serif;
  letter-spacing: 0.4em;
  transition: opacity 0.3s ease;
}

#cta .cta-btn:hover {
  opacity: 0.8;
}

/*--------------------------------------------------------------
13. スペーサー用セクション
--------------------------------------------------------------*/
.spacer-section {
  position: relative;
  z-index: 2;
  padding: 2em;
  background-color: #fff;
}

.spacer-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18%;
  width: 18rem;
  height: 2px;
  transform-origin: left center;
  transform: rotate(-45deg);
  background: #000;
  z-index: 1;
  pointer-events: none;
}

.spacer-section::after {
  content: "o";
  position: absolute;
  top: 0;
  left: 18%;
  transform-origin: left center;
  transform: rotate(-45deg) translateX(19.5rem) translateY(-1rem) rotate(45deg);
  font-size: 1.5rem;
  font-weight: bold;
  color: #000;
  z-index: 1;
  pointer-events: none;
}

@media screen and (max-width: 768px) {
  .hero-container {
    flex-direction: column;
    padding: 1.5em 1em;
  }

  .hero-logo,
  .hero-image-wrap {
    flex: 1 1 100%;
    width: 100%;
  }

  .hero-logo img {
    max-width: 40%;
  }

  .hero-catchcopy {
    z-index: -1;
    position: static;
    transform: none;
    margin-top: 1em;
    margin-left: 10em;
    padding: 1em 0;
  }

  .hero-catchcopy span {
    padding: 0.3em 1em;
    font-size: 1rem;
    letter-spacing: 0.1em;
  }

  /* Heroセクションの装飾文字位置調整 */
  .hero-section::before {
    left: 10%;
    top: 70rem;
    font-size: 1rem;
  }

  #main-content::before {
    left: 10%;
    top: calc(70rem + 2rem);
    width: 1px;
  }

  .introduce-inner {
    margin-left: 1em;
    margin-right: 1em;
    padding: 6rem 1em 4rem;
    margin-bottom: 6em;
    letter-spacing: 0.2em;
  }

  #introduce .section-title,
  #introduce .introduce-lead {
    font-size: 1.6rem;
  }

  #introduce .introduce-text {
    font-size: 1rem;
    padding: 2rem 0;
  }

  #case-studies .case-studies-inner .section-title {
    margin-left: 1em;
    padding: 2rem 1em 1rem;
    font-size: 1.5rem;
    letter-spacing: 0.2em;
  }

  #case-studies .case-slider {
    padding: 0.5em;
  }

  #cta {
    padding: 4em 1em;
    margin: 10em 1em 4em;
  }

  #cta .cta-text {
    font-size: 1.2rem;
    letter-spacing: 0.2em;
  }

  #cta .cta-btn {
    padding: 0.8rem 2rem;
    font-size: 1rem;
    letter-spacing: 0.2em;
  }

  .spacer-section {
    padding: 1.5em;
  }

  /* spacer-section 装飾の位置・サイズ調整 */
  .spacer-section::before {
    top: 0;
    left: 10%;
    width: 10rem;
    height: 1px;
    transform: rotate(-45deg);
  }

  .spacer-section::after {
    top: 0;
    left: 10%;
    transform: rotate(-45deg) translateX(11rem) translateY(-0.5rem) rotate(45deg);
    font-size: 1.2rem;
  }
}