/* =========================================
   多摩屋根工房 サンプルサイト v2
   写真中心・モダン・余白重視
   ========================================= */

:root {
  --color-bg: #FAF7F0;          /* 生成り */
  --color-ink: #0E1A2B;         /* 深い藍紺 */
  --color-ink-soft: #2A3947;
  --color-accent: #B8341F;      /* 瓦色 */
  --color-muted: #8C8579;       /* 苔石 */
  --color-line: #E5DDD0;
  --color-white: #FFFFFF;
  --color-shadow: rgba(14, 26, 43, 0.08);
  --color-shadow-strong: rgba(14, 26, 43, 0.16);

  --max-content: 1280px;
  --header-h: 88px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'Noto Sans JP', system-ui, sans-serif;
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.85;
  font-size: 15px;
  letter-spacing: 0.02em;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: opacity 0.3s var(--ease); }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }

.eng {
  font-family: 'Inter', 'Manrope', sans-serif;
  font-weight: 500;
  letter-spacing: 0.18em;
}

.container {
  width: 100%;
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 56px;
}

/* === サンプルバナー（最小限・洗練） === */
.sample-banner {
  background: var(--color-ink);
  color: #fff;
  text-align: center;
  padding: 8px 24px;
  font-size: 12px;
  letter-spacing: 0.05em;
  position: relative;
  z-index: 200;
}
.sample-banner a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-left: 4px;
}

/* === ヘッダー === */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 240, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-line);
}
.header-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 56px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-jp {
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--color-ink);
  letter-spacing: 0.05em;
}
.brand-en {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--color-muted);
  margin-top: 4px;
  text-transform: uppercase;
}
.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  font-size: 14px;
  font-weight: 500;
  position: relative;
  padding: 8px 0;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 0;
  height: 1px;
  background: var(--color-ink);
  transition: width 0.4s var(--ease);
}
.nav-link:hover::after { width: 100%; }
.nav-contact {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-ink);
  color: #fff;
  padding: 14px 28px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: background 0.3s var(--ease);
}
.nav-contact:hover { background: var(--color-accent); opacity: 1; }
.nav-contact .arrow { width: 14px; height: 1px; background: #fff; position: relative; }
.nav-contact .arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: -3px;
  width: 7px;
  height: 7px;
  border-top: 1px solid #fff;
  border-right: 1px solid #fff;
  transform: rotate(45deg);
}
.hamburger { display: none; }

/* === ヒーロー === */
.hero {
  position: relative;
  height: calc(100vh - var(--header-h) - 32px);
  min-height: 640px;
  overflow: hidden;
}
.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}
.hero-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, rgba(14,26,43,0.55) 0%, rgba(14,26,43,0.15) 50%, transparent 80%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, rgba(14,26,43,0.65) 0%, rgba(14,26,43,0.25) 50%, transparent 80%);
  z-index: 2;
}
.hero-inner {
  position: relative;
  z-index: 3;
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 56px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  color: rgba(255,255,255,0.85);
}
.hero-meta-line { width: 56px; height: 1px; background: rgba(255,255,255,0.6); }
.hero-meta span {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}
.hero-title {
  font-family: 'Noto Serif JP', serif;
  color: #fff;
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.04em;
  margin-bottom: 40px;
  max-width: 760px;
}
.hero-sub {
  color: rgba(255,255,255,0.92);
  font-size: 16px;
  line-height: 2;
  max-width: 520px;
  margin-bottom: 56px;
}
.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 24px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  background: var(--color-accent);
  color: #fff;
  padding: 22px 40px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  transition: transform 0.4s var(--ease), background 0.3s var(--ease);
}
.btn-primary:hover { transform: translateY(-3px); background: #9C2A18; opacity: 1; }
.btn-primary .arrow-long {
  width: 32px;
  height: 1px;
  background: #fff;
  position: relative;
}
.btn-primary .arrow-long::after {
  content: "";
  position: absolute;
  right: -1px;
  top: -4px;
  width: 9px;
  height: 9px;
  border-top: 1px solid #fff;
  border-right: 1px solid #fff;
  transform: rotate(45deg);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  padding: 22px 12px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  border-bottom: 1px solid #fff;
}
.btn-ghost:hover { opacity: 0.7; }

/* 縦書きブランド */
.hero-vertical {
  position: absolute;
  right: 32px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  writing-mode: vertical-rl;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  letter-spacing: 0.6em;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
}
.hero-vertical::before {
  content: "";
  display: block;
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.7);
  margin-bottom: 24px;
}

.scroll-indicator {
  position: absolute;
  left: 56px;
  bottom: 40px;
  z-index: 3;
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  letter-spacing: 0.4em;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 16px;
}
.scroll-indicator::after {
  content: "";
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.5);
  animation: scroll-line 2.4s var(--ease) infinite;
}
@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* === ページヒーロー（下層用） === */
.page-hero {
  position: relative;
  height: 420px;
  overflow: hidden;
}
.page-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14,26,43,0.7) 0%, rgba(14,26,43,0.4) 100%);
  z-index: 1;
}
.page-hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 56px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 64px;
}
.page-hero-label {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.4em;
  color: rgba(255,255,255,0.85);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.page-hero-title {
  font-family: 'Noto Serif JP', serif;
  color: #fff;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

/* === セクション === */
.section { padding: 140px 0; position: relative; }
.section--tight { padding: 100px 0; }
.section--light { background: var(--color-white); }

.section-head {
  display: flex;
  gap: 80px;
  margin-bottom: 80px;
  align-items: flex-start;
}
.section-head-left {
  width: 280px;
  flex-shrink: 0;
  position: sticky;
  top: 120px;
}
.section-label {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.section-label::before {
  content: "";
  display: block;
  width: 32px;
  height: 1px;
  background: var(--color-accent);
}
.section-num {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--color-muted);
  letter-spacing: 0.2em;
}
.section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--color-ink);
}
.section-head-right { flex: 1; }
.section-lead {
  font-size: 16px;
  line-height: 2.1;
  color: var(--color-ink-soft);
}

/* === 写真+テキスト 交互レイアウト === */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 160px;
}
.split:last-child { margin-bottom: 0; }
.split--reverse .split-img { order: 2; }
.split-img {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
}
.split-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}
.split-img:hover img { transform: scale(1.04); }
.split-img-tag {
  position: absolute;
  left: 24px;
  bottom: 24px;
  z-index: 2;
  background: var(--color-bg);
  padding: 12px 20px;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-ink);
  text-transform: uppercase;
}
.split-body { padding: 24px 0; }
.split-num {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--color-accent);
  letter-spacing: 0.2em;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.split-num::before {
  content: "";
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-accent);
}
.split-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(24px, 2.8vw, 36px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.04em;
  margin-bottom: 28px;
  color: var(--color-ink);
}
.split-text {
  font-size: 15px;
  line-height: 2.1;
  color: var(--color-ink-soft);
  margin-bottom: 24px;
}

/* === ワークス（事例グリッド） === */
.works {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.work {
  position: relative;
  cursor: pointer;
}
.work--lg { grid-column: span 7; }
.work--md { grid-column: span 5; }
.work--sm { grid-column: span 4; }
.work-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  margin-bottom: 24px;
}
.work-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.4s var(--ease);
}
.work:hover .work-img img { transform: scale(1.06); }
.work-num {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 2;
  background: rgba(250, 247, 240, 0.95);
  padding: 8px 14px;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--color-ink);
}
.work-tag {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.work-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 14px;
  color: var(--color-ink);
}
.work-meta {
  display: flex;
  gap: 24px;
  font-size: 12px;
  color: var(--color-muted);
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.05em;
}
.work-meta span:first-child { color: var(--color-ink-soft); }

/* === 数字セクション === */
.stats {
  background: var(--color-ink);
  color: #fff;
  padding: 120px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 56px;
  margin-top: 60px;
}
.stat-item { position: relative; }
.stat-num {
  font-family: 'Inter', sans-serif;
  font-size: clamp(56px, 7vw, 88px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
  color: #fff;
}
.stat-unit {
  font-size: 16px;
  margin-left: 6px;
  color: rgba(255,255,255,0.7);
  font-weight: 400;
}
.stat-label {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.65);
}
.stats .section-title { color: #fff; }
.stats .section-label { color: rgba(255,255,255,0.7); }
.stats .section-label::before { background: rgba(255,255,255,0.7); }

/* === エリア表示 === */
.area-wrap { background: var(--color-white); padding: 100px 0; }
.area-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}
.area-img-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.area-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.area-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 40px;
  border-top: 1px solid var(--color-line);
}
.area-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-ink);
}
.area-item::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* === サービス一覧（番号付き行） === */
.services {
  list-style: none;
}
.service-row {
  display: grid;
  grid-template-columns: 80px 1fr 280px;
  gap: 56px;
  padding: 48px 0;
  border-top: 1px solid var(--color-line);
  align-items: center;
  transition: background 0.4s var(--ease);
  cursor: default;
}
.service-row:last-child { border-bottom: 1px solid var(--color-line); }
.service-row:hover { background: rgba(184, 52, 31, 0.03); }
.service-row-num {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--color-accent);
  letter-spacing: 0.15em;
}
.service-row-body { padding-right: 32px; }
.service-row-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-ink);
}
.service-row-text {
  font-size: 14px;
  line-height: 2;
  color: var(--color-ink-soft);
}
.service-row-price {
  text-align: right;
  font-family: 'Inter', sans-serif;
  font-size: 22px;
  color: var(--color-ink);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.service-row-price small {
  display: block;
  font-size: 11px;
  color: var(--color-muted);
  letter-spacing: 0.2em;
  margin-bottom: 6px;
  text-transform: uppercase;
}

/* === 料金表 === */
.price-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 60px;
  background: var(--color-white);
}
.price-table thead th {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-muted);
  text-align: left;
  padding: 20px 28px;
  border-bottom: 1px solid var(--color-ink);
  font-weight: 500;
  text-transform: uppercase;
}
.price-table thead th:last-child { text-align: right; }
.price-table td {
  padding: 32px 28px;
  border-bottom: 1px solid var(--color-line);
  font-size: 15px;
  vertical-align: top;
}
.price-table tbody tr:hover { background: rgba(184, 52, 31, 0.02); }
.price-table-name {
  font-family: 'Noto Serif JP', serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 6px;
}
.price-table-desc {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.8;
}
.price-table-num {
  text-align: right;
  font-family: 'Inter', sans-serif;
  font-size: 22px;
  font-weight: 500;
  color: var(--color-ink);
}
.price-table-period {
  text-align: right;
  font-size: 12px;
  color: var(--color-muted);
  letter-spacing: 0.05em;
}

/* === 代表挨拶 === */
.message-block {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: stretch;
}
.message-photo {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  position: relative;
}
.message-photo img { width: 100%; height: 100%; object-fit: cover; }
.message-photo-tag {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(250, 247, 240, 0.96);
  padding: 12px 20px;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--color-ink);
}
.message-body { padding: 32px 0; }
.message-quote {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: 0.04em;
  margin-bottom: 40px;
  color: var(--color-ink);
}
.message-text {
  font-size: 15px;
  line-height: 2.2;
  color: var(--color-ink-soft);
  margin-bottom: 16px;
}
.message-sign {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--color-line);
  font-family: 'Noto Serif JP', serif;
  font-size: 18px;
  color: var(--color-ink);
}
.message-sign-en {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--color-muted);
}

/* === 会社概要表 === */
.info-table { width: 100%; border-collapse: collapse; background: var(--color-white); }
.info-table th, .info-table td {
  padding: 28px 32px;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
  line-height: 1.9;
}
.info-table th {
  width: 220px;
  font-weight: 500;
  color: var(--color-muted);
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.info-table td { color: var(--color-ink); }

/* === CTA === */
.cta-block {
  background: var(--color-ink);
  color: #fff;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.cta-block-bg {
  position: absolute;
  inset: 0;
  opacity: 0.15;
}
.cta-block-bg img { width: 100%; height: 100%; object-fit: cover; }
.cta-block-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 80px;
}
.cta-block-label {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.35em;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.cta-block-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 16px;
}
.cta-block-text {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  line-height: 2;
}
.cta-block-tel {
  display: block;
  text-align: right;
}
.cta-block-tel-label {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.7);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.cta-block-tel-num {
  font-family: 'Inter', sans-serif;
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
  color: #fff;
}
.cta-block-tel-hours {
  font-size: 12px;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.05em;
}

/* === フォーム === */
.form-warning {
  background: var(--color-ink);
  color: #fff;
  padding: 24px 32px;
  margin-bottom: 60px;
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: 0.03em;
}
.form-warning a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.form { max-width: 720px; }
.form-group { margin-bottom: 32px; }
.form-label {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: 0.05em;
}
.form-required {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  padding: 2px 8px;
  border: 1px solid var(--color-accent);
}
.form-optional {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--color-muted);
  padding: 2px 8px;
  border: 1px solid var(--color-line);
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 18px 20px;
  border: 1px solid var(--color-line);
  background: var(--color-white);
  font-size: 15px;
  font-family: inherit;
  color: var(--color-ink);
  transition: border-color 0.3s var(--ease);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-ink);
}
.form-textarea { min-height: 180px; resize: vertical; line-height: 1.8; }
.form-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: 100%;
  background: var(--color-ink);
  color: #fff;
  padding: 24px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.15em;
  transition: background 0.3s var(--ease);
  margin-top: 16px;
}
.form-submit:hover { background: var(--color-accent); }

/* === フッター === */
.footer {
  background: var(--color-ink);
  color: rgba(255,255,255,0.7);
  padding: 100px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 56px;
  margin-bottom: 80px;
}
.footer-brand {
  font-family: 'Noto Serif JP', serif;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.footer-brand-en {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 32px;
  text-transform: uppercase;
}
.footer-info { font-size: 13px; line-height: 2; }
.footer-info a { color: rgba(255,255,255,0.7); }
.footer-info a:hover { color: #fff; }
.footer h4 {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.85);
  margin-bottom: 24px;
  text-transform: uppercase;
}
.footer-nav { display: flex; flex-direction: column; gap: 14px; font-size: 13px; }
.footer-nav a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
}

/* === アニメーション === */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1.2s var(--ease), transform 1.2s var(--ease);
}
.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up-delay-1 { transition-delay: 0.15s; }
.fade-up-delay-2 { transition-delay: 0.3s; }
.fade-up-delay-3 { transition-delay: 0.45s; }

/* === レスポンシブ === */
@media (max-width: 1024px) {
  .container, .header-inner, .hero-inner, .page-hero-inner { padding-left: 32px; padding-right: 32px; }
  .section-head { flex-direction: column; gap: 32px; }
  .section-head-left { width: 100%; position: static; }
  .split, .message-block, .area-grid, .cta-block-inner { grid-template-columns: 1fr; gap: 40px; }
  .split--reverse .split-img { order: -1; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .works { grid-template-columns: repeat(2, 1fr); }
  .work--lg, .work--md, .work--sm { grid-column: span 1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .service-row { grid-template-columns: 60px 1fr; }
  .service-row-price { grid-column: 2; text-align: left; }
}

@media (max-width: 768px) {
  body { font-size: 14px; }
  .container, .header-inner, .hero-inner, .page-hero-inner { padding-left: 24px; padding-right: 24px; }
  .section { padding: 80px 0; }
  .nav { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; background: var(--color-bg); flex-direction: column; padding: 32px 24px; gap: 24px; border-bottom: 1px solid var(--color-line); }
  .nav.is-open { display: flex; }
  .hamburger { display: flex; flex-direction: column; gap: 6px; padding: 8px; }
  .hamburger span { width: 24px; height: 1px; background: var(--color-ink); }
  .hero-vertical, .scroll-indicator { display: none; }
  .stats-grid, .works, .footer-grid, .area-list { grid-template-columns: 1fr; }
  .info-table th { width: 110px; padding: 16px; font-size: 10px; }
  .info-table td { padding: 16px; font-size: 13px; }
  .footer-bottom { flex-direction: column; gap: 12px; }
}