/* ==========================================================================
   ETERNA - Custom Stylesheet (PC version / TOP ONLY CLEAN)
   ========================================================================== */


/* --- Section Gradient Styling --- */
.section-light-to-dark {
  background-color: var(--color-bg-light);
  position: relative;
  z-index: 1;
}

.section-light-to-dark::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 200px;
  background: linear-gradient(
    to bottom,
    rgba(247, 245, 245, 0) 0%,
    var(--color-bg-dark) 100%
  );
  pointer-events: none;
  z-index: 2;
}

.section-dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  position: relative;
  z-index: 1;
}

.section-dark::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 200px;
  background: linear-gradient(
    to bottom,
    rgba(26, 15, 15, 0) 0%,
    var(--color-bg-light) 100%
  );
  pointer-events: none;
  z-index: 2;
}

.section-light-to-dark-special {
  background-color: var(--color-bg-light);
  position: relative;
  z-index: 1;
}

.section-light-to-dark-special::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 220px;
  background: linear-gradient(
    to bottom,
    rgba(247, 245, 245, 0) 0%,
    var(--color-bg-dark) 100%
  );
  pointer-events: none;
  z-index: 2;
}

.section-light::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 200px;
  background: linear-gradient(
    to bottom,
    rgba(247, 245, 245, 0) 0%,
    var(--color-bg-dark) 100%
  );
  pointer-events: none;
  z-index: 2;
}


/* --- HERO (TOP ONLY) --- */
.hero {
  position: relative;
  background-color: var(--color-bg-dark);
}

.hero-bg-placeholder {
   height: clamp(900px, 70vw, 1250px);
  background-color: #211515;
  background-image: url('../images/Topimage.png');
  background-size: cover;
  background-position: center ;
  background-repeat: no-repeat;

  display: flex;
  align-items: flex-end;
  justify-content: flex-start;

  position: relative;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.2),
    rgba(0, 0, 0, 0.8)
  );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin: 0 60px 80px;
  width: calc(100% - 120px);
}

.hero-catchphrase {
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  color: #fff;
  margin: 0;
}

.hero-brand {
  color: #fff;
}

.hero-brand-title {
  font-size: 0.85rem;
  letter-spacing: 0.7em;
}

.hero-brand-name {
  font-size: 2rem;
  letter-spacing: 0.35em;
}



@media (max-width: 768px) {

  .hero-content {
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    text-align: center;
    margin: 0 20px 80px;
    width: calc(100% - 40px);
    gap: 15px;
  }

  .hero-brand p {
    margin: 0;
  }


  .hero-catchphrase {
    font-size: 1.5rem;
    letter-spacing: 0.15em;
    transform: translateY(-400px);
  }


  .hero-brand-title {
    font-size: 0.75rem;
    
    
  }


  .hero-brand-name {
    font-size: 1.6rem;
   
   
  }

}






/* --- CONCEPT --- */
.concept {
  padding: 100px 0 320px;
}

.concept-title-area {
 flex: 0 0 250px;
}

.concept-content-area {
  flex: 1;
  max-width: 650px;
}

.concept-lead {
  font-size: 2.2rem;
  font-weight: 300;
  margin-bottom: 40px;
}

.concept-text {
  font-size: 1.05rem;
  margin-bottom: 30px;
}

.concept-text-sub {
  font-size: 0.95rem;
  margin-bottom: 50px;
}

.concept-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  width: 100%;
}

.concept-buttons .price-gender-buttons {
 display: flex;
  justify-content: center;
  gap: 20px;
  width: 100%;
}

/* 男性・女性ボタン */
.concept-buttons .price-gender-buttons .btn {
  flex: 1;
}



@media (max-width: 768px) {

  .concept .flex-container {
    flex-direction: column;
    gap: 40px;
  }


  .concept-title-area {
    flex: none;
    position: static;
  }


  .concept-content-area {
    max-width: 100%;
  }


  .price-gender-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .price-gender-buttons .btn {
    width: 100%;
  }
 .concept-lead {
    font-size: 1.6rem;
  }
}




/* お問い合わせボタン */
.concept-buttons > .btn-outline {
  width: calc(100% - 10px);
}
/* --- FEATURES --- */
.features {
  padding: 140px 0 320px;
}

.section-header-center {
  text-align: center;
  margin-bottom: 90px;
}

.feature-image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}



.features-list {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.feature-item {
  display: flex;
  justify-content: space-between;
  gap: 60px;
}





.feature-item:nth-child(even) {
  flex-direction: row-reverse;
}

.feature-text {
  flex: 1;
  max-width: 500px;
}

.feature-title {
  font-size: 1.8rem;
  font-weight: 300;
  margin-bottom: 25px;
}

.feature-description {
  font-size: 0.95rem;
}

.feature-image-placeholder {
  flex: 0 0 460px;
  height: 280px;
  position: relative;
  overflow: hidden;
}


@media (max-width: 768px) {

  .feature-item {
    flex-direction: column;
    gap: 10px;
  }

.feature-image-placeholder {
    height: auto;
    flex: none;
  }

  .feature-image-placeholder img {
    display: block;
    width: 100%;
    height: auto;
  }

  .feature-item,
  .feature-item:nth-child(even) {
    flex-direction: column;
  }




    .features-list {
    gap:40px;
  }





}

/* --- PRICE --- */
.price {
  padding: 140px 0 360px;
}

.section-header-left {
  margin-bottom: 80px;
}

.price-gender-buttons {
  display: flex;
  justify-content: center;
  gap: 30px;
}


/* --- FLOW --- */
.flow {
  padding: 140px 0 340px;
}

.flow-steps {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-top: 80px;
}

.flow-step {
  background-color: #241616;
  border: 1px solid #3c2727;
  padding: 40px 30px;
}

.flow-step:hover {
  transform: translateY(-5px);
}

.flow-num {
  font-size: 2.2rem;
  color: var(--color-gold-light);
}

@media (max-width: 768px) {

  .flow-num {
    font-size: 1.5rem;
  }

}

/* --- CONTACT --- */
.contact {
  background-image: url("../images/index-background.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;

  position: relative;
  padding: 300px 0;
}

.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(247,245,245,0.3);
  z-index: -1;
}

.contact-lead {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto 50px;
}

.contact-center-btn {
  display: flex;
  justify-content: center;
}