/* コンセプトハウスページ専用CSS */

/* 共通スタイル */
.concept-page {
  font-family: 'Noto Sans JP', sans-serif;
  background-color: #f3f3f3;
}

.section-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 40px 50px;
}

/* ページタイトルセクション */
.page-hero {
  background-color: #fff;
  padding: 51px 0 80px;
  margin-top: 99px;
}

.page-hero-container {
  max-width: 1325px;
  margin: 0 auto;
  padding: 0 40px 0 74px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: flex-end;
}

.page-hero-content {
  text-align: left;
}

.page-hero-title {
  font-size: 72px;
  font-weight: 700;
  letter-spacing: 4px;
  color: #333;
  margin-bottom: 20px;
  line-height: 1;
  white-space: nowrap;
}

.page-hero-title .accent-c {
  color: #29a9b8;
}

.page-hero-subtitle {
  font-size: 24px;
  color: #333;
  font-weight: 500;
  letter-spacing: 1px;
}

.page-hero-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.page-hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* イントロセクション */
.intro-section {
  padding: 80px 0 100px;
  text-align: center;
  background-color: #f2f2f2;
  position: relative;
  overflow: visible;
  /* 背景がはみ出る可能性があるので */
}

/* 背景のハウス型シェイプ */
.intro-bg-wrapper {
  position: absolute;
  top: 54%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 1200px;
  z-index: 0;
  pointer-events: none;
  display: flex;
  justify-content: center;
}

.intro-bg-shape {
  width: 100%;
  height: auto;
  display: block;
  /* 背景画像が大きすぎる場合は調整 */
  max-width: 1100px;
}

.intro-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  /* 背景画像内の適切な位置に来るように調整 */
}

.intro-text-large {
  font-size: 23px;
  font-weight: 700;
  margin-top: 40px;
  line-height: 1.8;
  color: #333;
}

.intro-image-container {
  position: relative;
  max-width: 765px;
  margin: 0 auto 30px;
  /* border-radius: 10px; */
  /* overflow: hidden; */
  /* 360アイコンがはみ出る場合に備えてoverflowはvisibleに */
}

.intro-main-image {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 765 / 403;
  object-fit: cover;
  /* 青い枠線（デザインに基づく） */
}

.intro-360-icon {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  z-index: 2;
}

.intro-360-icon img {
  width: 100%;
  height: auto;
}

/* 面積情報 */
.intro-area-info {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 30px;
}

.area-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
}

.area-label {
  background-color: #333;
  color: #fff;
  padding: 5px 15px;
  border-radius: 4px;
  font-size: 14px;
}

.area-value {
  color: #333;
  font-size: 18px;
}

.concept-logo-mark {
  display: none;
  /* 古いスタイルを無効化 */
}

.intro-image {
  display: none;
  /* 古いスタイルを無効化 */
}

/* セクション共通（EXTERIOR, INTERIOR, FLOOR） */
.concept-detail-section {
  margin: 100px 0;
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .concept-detail-section {
    margin-top: 40px;
  }
}

/* Constrained width separator line */


/* .concept-section.bg-gray {
  background-color: #f2f2f2;
} */

.concept-detail-header {
  margin-bottom: 60px;
  text-align: left;
}

.concept-detail-title {
  font-size: 70px;
  font-weight: 700;
  letter-spacing: 4px;
  color: #333;
  line-height: 1;
  margin-bottom: 20px;
  border-top: 1px solid #B3B3B3;
  border-bottom: none !important;
  padding-bottom: 0;
  /* Force remove default H2 borders from theme */
}

.concept-detail-title .accent-e,
.concept-detail-title .accent-i,
.concept-detail-title .accent-f {
  color: #29a9b8;
}

.concept-detail-subtitle {
  font-size: 20px;
  font-weight: 700;
  color: #333;
}

.concept-detail-description {
  text-align: center;
  margin-bottom: 50px;
  font-size: 16px;
  line-height: 2;
  font-weight: 500;
}

/* スライダー共通スタイル */
.concept-slider-container {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}

.main-slide-image {
  width: 100%;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
  aspect-ratio: 16/9;
  border: none !important;
  /* Force remove border */
  background: none !important;
  /* Force remove background */
}

.main-slide-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.thumbnail-nav {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.thumb-item {
  width: 150px;
  height: 100px;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  opacity: 0.6;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.thumb-item.active,
.thumb-item:hover {
  opacity: 1;
  border-color: #29a9b8;
}

.thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
}

.slider-dot {
  width: 10px;
  height: 10px;
  background: #333333;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.3s;
}

.slider-dot.active {
  background: #29a9b8;
}



/* Responsive */
@media (max-width: 768px) {
  .page-hero-container {
    grid-template-columns: 1fr;
    padding: 0 20px;
    gap: 40px;
  }

  .page-hero-title {
    font-size: 48px;
    white-space: normal;
  }

  .page-hero-content {
    text-align: center;
  }

  .section-container {
    padding: 0 20px 40px;
  }

  .intro-bg-wrapper {
    display: none;
  }

  .thumb-item {
    width: 80px;
    height: 60px;
  }

  .concept-detail-title {
    font-size: 42px;
  }

  /* Intro Section Mobile */
  .intro-section {
    padding: 60px 0;
  }

  .intro-text-large {
    font-size: 18px;
  }

  .intro-360-icon {
    width: 80px;
    height: 80px;
    top: -16px;
    right: 20px;
  }

  .intro-area-info {
    flex-direction: column;
    gap: 15px;
  }

  .area-item {
    justify-content: center;
  }

  .intro-main-image {
    width: 90%;
    margin: 0 auto;
  }
}