/* Architecture Top Page Styles */

.sp-only {
  display: none;
}

/* ========================================
   Hero Section
   ======================================== */
.arch-hero {
  margin-bottom: 0;
}

.arch-hero-header {
  padding: 52px 0 0 200px;
}

.arch-hero-title {
  font-family: var(--font-serif);
  font-size: 65px;
  font-weight: 400;
  letter-spacing: 4.875px;
  line-height: 88px;
  color: var(--color-text);
  margin-bottom: 10px;
}

.arch-hero-subtitle {
  font-family: var(--font-serif-jp);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 1.35px;
  line-height: 22px;
  color: var(--color-text);
}

.arch-hero-image {
  width: 100%;
  aspect-ratio: 1500 / 617;
  margin-top: 30px;
}

.arch-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========================================
   Concept Section
   ======================================== */
.arch-concept-inner {
  padding: 100px 0 120px;
}

.arch-concept-header {
  text-align: center;
  margin-bottom: 60px;
}

.arch-concept-header .page-section-title {
  margin-bottom: 14px;
}

.arch-concept-catchphrase {
  font-family: var(--font-serif-jp);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: 1.8px;
  line-height: 35px;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 80px;
}

.arch-concept-items {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 56px 46px;
  padding: 0 40px;
}

.arch-concept-item {
  padding: 0;
}

.arch-concept-item-header {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 15px;
}

.arch-concept-item-number {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 400;
  letter-spacing: 2.85px;
  color: var(--color-text);
  line-height: 1;
  flex-shrink: 0;
}

.arch-concept-item-line {
  flex: 1;
  height: 1px;
  background-color: var(--color-text);
}

.arch-concept-item-text {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 1.125px;
  line-height: 32px;
  color: var(--color-text);
}

/* ========================================
   Service Section
   ======================================== */
.arch-service {
  background-color: var(--color-accent);
  padding: 80px 40px 90px;
  text-align: center;
}

.arch-service .page-section-title,
.arch-service .page-section-subtitle {
  color: #fff;
}

.arch-service .page-section-title {
  margin-bottom: 14px;
}

.arch-service .page-section-subtitle {
  margin-bottom: 60px;
}

.arch-service-items {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto 60px;
}

.arch-service-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
}

.arch-service-item-icon {
  width: 101px;
  height: 101px;
  border-radius: 50%;
  border: 1px solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.arch-service-item-icon img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.arch-service-item-name {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 1.125px;
  line-height: 32px;
  color: #fff;
  white-space: nowrap;
}

.arch-service-btn {
  display: inline-flex;
  align-items: center;
  gap: 62px;
  text-decoration: none;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 1.125px;
  line-height: 32px;
  border-bottom: 1px solid #fff;
  padding-bottom: 9px;
  transition: opacity 0.3s;
}

.arch-service-btn:hover {
  opacity: 0.8;
}

.arch-service-btn-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background-color: #fff;
  flex-shrink: 0;
}

.arch-service-btn-arrow::after {
  content: '';
  width: 6px;
  height: 6px;
  border: solid var(--color-accent);
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(-45deg);
  margin-left: -2px;
}

/* ========================================
   Gallery Section
   ======================================== */
.arch-gallery {
  padding: 100px 0 120px;
  background-color: #fff;
}

.arch-gallery-header {
  text-align: center;
  margin-bottom: 60px;
}

.arch-gallery-header .page-section-title {
  margin-bottom: 14px;
}

.arch-gallery-grid {
  max-width: 1100px;
  margin: 0 auto 60px;
  padding: 0 40px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 56px 34px;
}

.arch-gallery-card {
  text-decoration: none;
  color: inherit;
  display: block;
}

.arch-gallery-card-image {
  width: 100%;
  aspect-ratio: 343 / 353;
  overflow: hidden;
  margin-bottom: 16px;
}

.arch-gallery-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.arch-gallery-card:hover .arch-gallery-card-image img {
  transform: scale(1.05);
}

.arch-gallery-card-location {
  display: block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.9px;
  line-height: 26px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.arch-gallery-card-line {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--color-border-dark);
  margin-bottom: 20px;
}

.arch-gallery-card-title {
  font-family: var(--font-serif-jp);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 1.5px;
  line-height: 24px;
  color: var(--color-text);
}

/* .arch-gallery-empty → 共通 .page-empty (style.css) を使用 */

.arch-gallery-more {
  display: flex;
  align-items: center;
  width: fit-content;
  margin: 0 auto;
  gap: 62px;
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 1.125px;
  line-height: 32px;
  border-bottom: 1px solid var(--color-text);
  padding-bottom: 9px;
  transition: opacity 0.3s;
}

.arch-gallery-more:hover {
  opacity: 0.7;
}

.arch-gallery-more-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background-color: var(--color-accent);
  flex-shrink: 0;
}

.arch-gallery-more-arrow::after {
  content: '';
  width: 6px;
  height: 6px;
  border: solid #fff;
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(-45deg);
  margin-left: -2px;
}

/* ========================================
   Responsive - SP (max-width: 768px)
   ======================================== */
@media (max-width: 768px) {
  /* Hero */
  .arch-hero-header {
    padding: 40px 0 0 20px;
  }

  .arch-hero-title {
    font-size: 32px;
    letter-spacing: 2.4px;
    line-height: 43px;
  }

  .arch-hero-subtitle {
    font-size: 14px;
    letter-spacing: 1.05px;
  }

  .arch-hero-image {
    aspect-ratio: 375 / 220;
    margin-top: 20px;
  }

  /* Concept */
  .arch-concept-inner {
    padding: 60px 0 80px;
  }

  .arch-concept-header {
    margin-bottom: 40px;
  }

  .arch-concept-catchphrase {
    font-size: 20px;
    letter-spacing: 1.5px;
    line-height: 35px;
    margin-bottom: 50px;
    padding: 0 20px;
  }

  .sp-only {
    display: inline;
  }

  .arch-concept-items {
    grid-template-columns: 1fr;
    gap: 56px;
    padding: 0 20px;
  }

  .arch-concept-item-header {
    gap: 9px;
    margin-bottom: 21px;
  }

  .arch-concept-item-number {
    font-size: 25px;
    letter-spacing: 1.875px;
  }


  /* Service */
  .arch-service {
    padding: 60px 20px 70px;
  }

  .arch-service .page-section-subtitle {
    margin-bottom: 40px;
  }

  .arch-service-items {
    display: grid;
    grid-template-columns: repeat(2, 101px);
    gap: 34px 48px;
    justify-content: center;
    margin-bottom: 40px;
  }

  .arch-service-item:last-child {
    grid-column: 1 / -1;
    justify-self: center;
  }

  /* Gallery */
  .arch-gallery {
    padding: 60px 0 80px;
  }

  .arch-gallery-header {
    margin-bottom: 40px;
  }

  .arch-gallery-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 0 20px;
    margin-bottom: 40px;
  }

  .arch-gallery-card-image {
    aspect-ratio: 335 / 220;
  }

  .arch-gallery-card-location {
    margin-bottom: 10px;
  }

  .arch-gallery-card-line {
    margin-bottom: 13px;
  }

  .arch-gallery-card-title {
    font-size: 18px;
    letter-spacing: 1.35px;
  }
}