/* ============================================================
   page-service.css — 新レイアウト v3
   タイトル → 横線 → 3横図並び → 説明文 → 4要点カード
   奇偶交替背景色（米白 / 薄灰）
   ============================================================ */

/* ===== SERVICE ANCHOR NAV ===== */
.service-nav {
  position: sticky; top: 80px; z-index: 100;
  background: rgba(250,248,243,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(200,169,110,0.15);
  display: flex; justify-content: center;
  flex-wrap: nowrap; overflow-x: auto;
  padding: 0 40px;
  -webkit-overflow-scrolling: touch;
}

/* transparent nav on banner */
.page-service .nav {
  background: transparent;
  backdrop-filter: none;
  border-bottom: none;
}
.page-service .nav.scrolled {
  background: rgba(46, 40, 34, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(200,169,110,0.18);
}
.service-nav::-webkit-scrollbar { display: none; }
.service-nav a {
  font-size: 10px; font-weight: 500;
  color: var(--color-text);
  text-decoration: none; letter-spacing: 3px;
  padding: 18px 24px; position: relative;
  transition: color 0.3s ease; white-space: nowrap;
  font-family: var(--font-body);
  text-transform: uppercase;
}
.service-nav a::after {
  content: ''; position: absolute; bottom: 0;
  left: 50%; transform: translateX(-50%);
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width 0.4s ease;
}
.service-nav a:hover { color: var(--color-primary); }
.service-nav a.active { color: var(--color-accent); }
.service-nav a.active::after { width: 40%; }

/* ===== SERVICE BLOCK ===== */
.service-block {
  padding: var(--section-v) var(--page-pad) calc(var(--section-v) * 1.1);
  position: relative;
  overflow: hidden;
}

/* alternating bg */
.service-block:nth-child(odd) {
  background: var(--color-offwhite);
}
.service-block:nth-child(even) {
  background: #f0ece4;
}

/* warm gradient accent */
.service-block::before {
  content: '';
  position: absolute;
  bottom: -80px; left: -80px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(200,169,110,0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* decorative bg (not set) */
.service-block::after {
  content: '';
  position: absolute;
  inset: 0;
  /* background: url('../images/service_bg.webp') no-repeat right bottom; */
  /* background-size: auto 70%; */
  opacity: 0.06;
  pointer-events: none;
  z-index: 0;
}

.service-block-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ===== HEADER: SERVICE番号 + タイトル ===== */
.service-block-header {
  margin-bottom: 12px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.service-block.in-view .service-block-header {
  opacity: 1;
  transform: translateY(0);
}

.service-block-num {
  display: block;
  font-size: 10px; font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 5px;
  margin-bottom: 8px;
  font-family: var(--font-body);
  text-transform: uppercase;
}

.service-block-title {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 3px;
  line-height: 1.4;
  margin: 0;
}

/* ===== DIVIDER ===== */
.service-block-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--color-accent), rgba(200,169,110,0.15));
  margin-bottom: 40px;
  opacity: 0;
  transition: opacity 0.6s ease 0.1s;
}
.service-block.in-view .service-block-line {
  opacity: 1;
}

/* ===== 3張横図並び ===== */
.service-block-images {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 36px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease 0.15s, transform 0.7s ease 0.15s;
}
.service-block.in-view .service-block-images {
  opacity: 1;
  transform: translateY(0);
}

.service-block-img {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 3/2;
  box-shadow: var(--shadow-sm);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.service-block-img:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.service-block-img img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center center;
  transition: transform 0.6s ease;
}
.service-block-img:hover img {
  transform: scale(1.04);
}

/* ===== DESCRIPTION ===== */
.service-block-desc {
  text-align: center;
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-light);
  letter-spacing: 0.5px;
  max-width: 800px;
  margin: 0 auto 24px;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.6s ease 0.25s, transform 0.6s ease 0.25s;
}
.service-block.in-view .service-block-desc {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 4要点カード横排 ===== */
.service-block-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.6s ease 0.35s, transform 0.6s ease 0.35s;
}
.service-block.in-view .service-block-features {
  opacity: 1;
  transform: translateY(0);
}

.service-feature-card {
  background: #fff;
  border-radius: 4px;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.3px;
  line-height: 1.5;
  box-shadow: 0 1px 6px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03);
  border: 1px solid rgba(200,169,110,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
}
.service-feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* alternate row bg */
.service-block:nth-child(even) .service-feature-card {
  background: var(--color-offwhite);
}

/* ===== FLOW SECTION ===== */
.flow-section {
  padding: calc(var(--section-v) * 1.15) var(--page-pad);
  background: var(--color-offwhite); position: relative;
  border-top: 1px solid rgba(200,169,110,0.1);
  border-bottom: 1px solid rgba(200,169,110,0.1);
}
.flow-inner { max-width: var(--page-max); margin: 0 auto; }
.flow-section .section-label { color: rgba(200,169,110,0.85); }
.flow-section .section-title { color: var(--color-primary); }
.flow-section .section-divider { margin-bottom: 56px; }
.flow-steps {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px;
  position: relative;
}
.flow-steps::before {
  content: '';
  position: absolute;
  top: 34px; left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200,169,110,0.25), rgba(200,169,110,0.25), transparent);
  z-index: 0;
}
.flow-step {
  position: relative; z-index: 1;
  display: flex; flex-direction: column;
  align-items: center; cursor: pointer;
}
.flow-step-circle {
  width: 68px; height: 68px;
  border: 1px solid rgba(200,169,110,0.45); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; position: relative; overflow: hidden;
  transition: background 0.4s var(--transition), border-color 0.4s ease;
  background: rgba(200,169,110,0.06);
}
.flow-step:hover .flow-step-circle {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.flow-step-num {
  font-family: var(--font-display);
  font-size: 15px; font-weight: 700;
  color: var(--color-accent); letter-spacing: 1px;
  transition: color 0.4s ease;
}
.flow-step:hover .flow-step-num { color: var(--color-dark); }
.flow-step-label {
  font-size: 12px; font-weight: 400;
  color: var(--color-text-light); letter-spacing: 0.5px;
  line-height: 1.8; text-align: center; transition: color 0.3s ease;
}
.flow-step:hover .flow-step-label { color: var(--color-accent); }
.ripple-effect {
  position: absolute; border-radius: 50%;
  background: rgba(200,169,110,0.3);
  transform: scale(0);
  animation: ripple-anim 0.6s ease-out forwards;
  pointer-events: none;
}
@keyframes ripple-anim { to { transform: scale(4); opacity: 0; } }

/* ===== SERVICE CTA ===== */
.service-cta {
  padding: var(--section-v) var(--page-pad);
  background: var(--color-cream);
  text-align: center; position: relative; overflow: hidden;
  border-top: 1px solid rgba(200,169,110,0.12);
}
.service-cta::before {
  content: ''; position: absolute;
  top: 0; right: 0;
  width: 55%; height: 100%;
  background: url('../images/time3.webp') no-repeat right center;
  background-size: contain;
  opacity: 0.1;
  pointer-events: none;
  z-index: 0;
}
.service-cta::after {
  content: ''; position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(to right, transparent 30%, rgba(240,236,226,0.6) 65%, rgba(240,236,226,0.3) 100%);
  pointer-events: none;
  z-index: 0;
}
.service-cta-inner {
  max-width: 600px; margin: 0 auto; position: relative; z-index: 1;
}
.service-cta .section-label { color: rgba(200,169,110,0.85); }
.service-cta .section-title {
  color: var(--color-primary);
  font-size: 30px;
  margin-bottom: 20px;
}
.service-cta-text {
  font-size: 14px; line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 52px; letter-spacing: 0.5px;
}
.service-cta-btn {
  display: inline-block; font-size: 11px; font-weight: 500;
  color: var(--color-dark); background: var(--color-accent);
  border: 1px solid var(--color-accent);
  padding: 20px 60px; text-decoration: none;
  letter-spacing: 4px; transition: all 0.35s ease;
  text-transform: uppercase;
}
.service-cta-btn:hover {
  background: transparent;
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(200,169,110,0.15);
}

/* ===== RESPONSIVE ===== */

/* ===== iPad Air / Surface Pro / Nest Hub (820px~1024px) ===== */
@media (max-width: 1024px) and (min-width: 769px) {
  .service-block-images {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
  .service-block-img {
    min-height: 0;
    aspect-ratio: 4/3;
  }
}

@media (max-width: 912px) {
  .service-block {
    overflow: visible;
  }
  .service-block-inner {
    width: 100%;
  }
  .service-block-images {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    width: 100%;
  }
  .service-block-img {
    min-height: 0;
    width: 100%;
  }
  .service-block-img img {
    object-fit: cover;
    object-position: center top;
    width: 100%;
    height: 100%;
  }
  .service-block-features {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 1024px) {
  .service-block { padding: 70px var(--page-pad) 80px; }
  .service-block-images { gap: 10px; }

  .service-block-features { gap: 12px; }
}

@media (max-width: 768px) {
  .service-nav { justify-content: flex-start; padding: 0 8px; }
  .service-nav a { padding: 14px 12px; font-size: 9px; letter-spacing: 1.5px; }

  .service-block { padding: 48px 20px 56px; }
  .service-block-title { font-size: 22px; letter-spacing: 2px; }

  .service-block-images {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .service-block-img {
    min-height: 0;
  }

  .service-block-desc {
    font-size: 13.5px;
    line-height: 1.9;
    text-align: left;
  }

  .service-block-features {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .service-feature-card {
    font-size: 12px;
    padding: 14px 14px;
  }

  .flow-section { padding: 56px 20px; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .flow-steps::before { display: none; }
  .service-cta { padding: 56px 20px; }
  .service-cta-divider { margin-bottom: 24px; }
}

@media (max-width: 480px) {
  .service-block-features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 390px) {
  .service-nav a { padding: 12px 8px; font-size: 8px; letter-spacing: 1px; }
  .service-block { padding: 36px 16px 44px; }
  .service-block-title { font-size: 20px; letter-spacing: 1px; }
  .service-block-desc { font-size: 13px; }
  .service-block-features { grid-template-columns: 1fr; }
  .service-feature-card { font-size: 12px; padding: 12px; }
  .flow-steps { grid-template-columns: 1fr 1fr; gap: 16px; }
  .flow-step-circle { width: 52px; height: 52px; }
  .flow-step-label { font-size: 11px; }
  .service-cta { padding: 40px 16px; }
  .service-cta-btn { padding: 16px 20px; display: block; width: 100%; max-width: 280px; margin: 0 auto; box-sizing: border-box; }
}

/* ===== S07 TWO-IMAGE LAYOUT ===== */
.service-block-images--2col {
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: 1fr; /* 让两个容器等高 */
  align-items: stretch; /* 拉伸填充 */
}
.service-block-images--2col .service-block-img {
  aspect-ratio: auto; /* 移除固定比例 */
  display: flex; /* 使用flex布局 */
  align-items: center; /* 垂直居中 */
  background: #6b6b6b; /* 容器背景色 */
}
.service-block-images--2col .service-block-img img {
  object-fit: contain; /* 完整显示，不裁剪 */
  object-position: center; /* 居中显示 */
  width: 100%;
  max-height: 100%; /* 限制最大高度 */
  background: transparent; /* 图片本身透明背景 */
}

/* 无缝融入背景 - 移除边框、阴影、圆角 */
.service-block-img--seamless {
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}
.service-block-img--seamless:hover {
  transform: none;
  box-shadow: none;
}
.service-block-img--seamless img {
  background: transparent;
}
.service-block-img--seamless:hover img {
  transform: none;
}