/* ============================
   ローディング画面
============================ */
.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #1a1a1a;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 1.4s ease, visibility 1.4s ease;
}
.loading-screen.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loading-inner {
  text-align: center;
  animation: loadingFadeIn 0.8s ease forwards;
}
@keyframes loadingFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.loading-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.loading-line {
  width: 0;
  height: 1px;
  background: #b8860b;
  margin: 0 auto 16px;
  animation: loadingLine 0.9s ease 0.4s forwards;
}
@keyframes loadingLine {
  to { width: 100%; }
}
.loading-sub {
  font-size: clamp(0.85rem, 2vw, 1.1rem);
  color: #b8860b;
  letter-spacing: 0.25em;
  font-weight: 500;
  opacity: 0;
  animation: loadingFadeIn 0.6s ease 0.7s forwards;
}

/* ============================
   CSS変数・リセット
============================ */
:root {
  --cream: #f8f5ef;
  --cream-dark: #ede9e0;
  --dark: #1a1a1a;
  --dark-mid: #444;
  --muted: #666;
  --gold: #b8860b;
  --gold-light: #d4a01a;
  --gold-pale: #f5e8c0;
  --white: #ffffff;
  --radius: 6px;
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-md: 0 6px 32px rgba(0,0,0,0.10);
  --transition: 0.3s ease;
  --max-width: 1120px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--dark);
  background: var(--cream);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ============================
   共通レイアウト
============================ */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}
.container--narrow { max-width: 720px; }

.section { padding: 100px 0; }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 12px;
}
.section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.4;
  color: var(--dark);
  margin-bottom: 20px;
}
.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--gold);
  margin: 16px auto 0;
}
.section-desc {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.9;
}

/* ============================
   ボタン
============================ */
.btn {
  display: inline-block;
  padding: 16px 36px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  letter-spacing: 0.03em;
}
.btn--primary {
  background: var(--dark);
  color: var(--white);
  border-color: var(--dark);
}
.btn--primary:hover {
  background: var(--dark-mid);
  border-color: var(--dark-mid);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn--ghost {
  background: transparent;
  color: var(--dark);
  border-color: var(--dark);
}
.btn--ghost:hover {
  background: var(--dark);
  color: var(--white);
  transform: translateY(-2px);
}
.btn--outline {
  background: transparent;
  color: var(--gold);
  border-color: var(--gold);
}
.btn--outline:hover {
  background: var(--gold);
  color: var(--white);
  transform: translateY(-2px);
}
.btn--line {
  background: #06c755;
  color: var(--white);
  border-color: #06c755;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn--line:hover {
  background: #05b34c;
  border-color: #05b34c;
  transform: translateY(-2px);
}
.btn--full { display: block; width: 100%; text-align: center; }

/* ============================
   ヘッダー
============================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(248,245,239,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--cream-dark);
  transition: box-shadow var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
}
.logo-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.logo-main {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: 0.04em;
  line-height: 1;
}
.logo-sub {
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 0.1em;
}

/* フッターロゴ */
.footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.footer-logo-img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  /* ダーク背景に対して画像を馴染ませる */
  filter: brightness(1.1);
}

.global-nav ul {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--dark-mid);
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav-link:hover { color: var(--gold); }
.nav-link:hover::after { width: 100%; }

.nav-cta {
  padding: 9px 22px;
  background: var(--dark);
  color: var(--white) !important;
  border-radius: var(--radius);
  font-size: 0.875rem !important;
}
.nav-cta::after { display: none; }
.nav-cta:hover { background: var(--gold) !important; color: var(--white) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 44px; height: 44px;
  background: none; border: none;
  cursor: pointer; padding: 8px;
}
.hamburger span {
  display: block; width: 100%; height: 2px;
  background: var(--dark); border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============================
   ヒーロー
============================ */
.hero {
  min-height: 100svh;
  padding-top: 72px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--cream);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--cream-dark);
}
.hero::before {
  content: 'H';
  position: absolute;
  right: -60px; top: 50%;
  transform: translateY(-50%);
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(200px, 30vw, 400px);
  font-weight: 700;
  color: rgba(184,134,11,0.05);
  pointer-events: none;
  user-select: none;
  line-height: 1;
}

.hero-inner {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 0;
}
.hero-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 20px;
}
.hero-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.5;
  color: var(--dark);
  margin-bottom: 24px;
  font-weight: 700;
}
.hero-title em {
  font-style: normal;
  color: var(--gold);
  position: relative;
}
.hero-title em::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 0; right: 0;
  height: 3px;
  background: var(--gold);
  opacity: 0.3;
}
.hero-lead {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 40px;
  line-height: 1.9;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
}
.hero-logo-box {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(145deg, #ede9e0 0%, #e0d9cc 100%);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--cream-dark);
  padding: 32px;
}
.hero-logo-svg {
  width: min(260px, 70%);
  height: auto;
  filter: drop-shadow(0 4px 12px rgba(184,134,11,0.15));
}
.hero-logo-tagline {
  font-size: 0.8rem;
  color: var(--gold);
  letter-spacing: 0.12em;
  font-weight: 500;
  text-align: center;
}
.hero-badge {
  position: absolute;
  bottom: -20px; left: -20px;
  background: var(--dark);
  color: var(--white);
  width: 80px; height: 80px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}
.badge-num {
  font-family: 'Noto Serif JP', serif;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
}
.badge-txt {
  font-size: 0.7rem;
  margin-top: 2px;
}

.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding-bottom: 32px;
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollLine 2s ease infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================
   なぜ必要か
============================ */
.why-section { background: var(--dark); color: var(--white); }
.why-section .section-label { color: var(--gold); }
.why-section .section-title { color: var(--white); }
.why-section .section-title::after { background: var(--gold); }
.why-section .section-desc { color: rgba(255,255,255,0.65); }

.why-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 72px;
}
.stat-item {
  background: rgba(255,255,255,0.04);
  padding: 40px 32px;
  text-align: center;
  transition: background var(--transition);
}
.stat-item:hover { background: rgba(255,255,255,0.08); }
.stat-num {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 16px;
}
.stat-num span { font-size: 0.6em; }
.stat-unit { font-size: 0.5em; vertical-align: middle; }
.stat-txt {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
}

.why-blocks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius);
  overflow: hidden;
}
.why-block {
  background: rgba(255,255,255,0.03);
  padding: 40px;
  display: flex;
  gap: 24px;
  transition: background var(--transition);
}
.why-block:hover { background: rgba(255,255,255,0.06); }
.why-block-num {
  font-family: 'Noto Serif JP', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  opacity: 0.5;
  flex-shrink: 0;
  line-height: 1;
  width: 48px;
}
.why-block-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.why-block-text {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.85;
}
.why-block-text strong {
  color: rgba(255,255,255,0.9);
  font-weight: 700;
}

/* ============================
   ビフォーアフター
============================ */
.before-after-section { background: var(--cream-dark); }

.ba-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  margin-bottom: 56px;
}
.ba-col {
  border-radius: 10px;
  padding: 36px;
}
.ba-col--before {
  background: #f0f0f0;
  border: 1px solid #ddd;
}
.ba-col--after {
  background: var(--dark);
  color: var(--white);
}
.ba-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid currentColor;
  opacity: 0.5;
}
.ba-list li {
  padding: 10px 0;
  font-size: 0.925rem;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  padding-left: 20px;
  position: relative;
}
.ba-col--after .ba-list li {
  border-color: rgba(255,255,255,0.1);
}
.ba-col--before .ba-list li::before {
  content: '✕';
  position: absolute; left: 0;
  color: #bbb; font-size: 0.75rem;
}
.ba-col--after .ba-list li::before {
  content: '✓';
  position: absolute; left: 0;
  color: var(--gold); font-weight: 700;
}

.ba-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.ba-arrow-icon {
  font-size: 2rem;
  color: var(--gold);
  font-weight: 300;
}
.ba-arrow-txt {
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
  color: var(--gold);
  line-height: 1.4;
}

.ba-cta {
  text-align: center;
  padding: 48px;
  background: var(--cream);
  border: 1px solid var(--cream-dark);
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
}
.ba-cta-text {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 28px;
  line-height: 1.9;
}

/* ============================
   サービス
============================ */
.services-section { background: var(--cream); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--cream-dark);
  border-radius: 10px;
  padding: 40px 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.service-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.service-card:hover::before { transform: scaleX(1); }

.service-num {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--gold);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 16px;
}
.service-icon {
  color: var(--gold);
  margin-bottom: 20px;
}
.service-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}
.service-text {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.85;
}
.services-note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--muted);
  padding: 20px;
  background: var(--cream);
  border-radius: var(--radius);
}

/* ============================
   料金
============================ */
.pricing-section { background: var(--cream-dark); }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
  margin-bottom: 40px;
}
.pricing-card {
  background: var(--cream);
  border: 1px solid var(--cream-dark);
  border-radius: 10px;
  padding: 36px 28px;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.pricing-card--featured {
  background: var(--dark);
  color: var(--white);
  transform: scale(1.04);
  box-shadow: var(--shadow-md);
}
.pricing-card--featured:hover { transform: scale(1.04) translateY(-4px); }

.pricing-badge {
  position: absolute;
  top: -1px; left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 18px;
  border-radius: 0 0 6px 6px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.pricing-top {
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.pricing-card--featured .pricing-top { border-color: rgba(255,255,255,0.1); }

.plan-tag {
  font-size: 0.75rem;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 6px;
}
.pricing-card--featured .plan-tag { color: rgba(255,255,255,0.6); }

.plan-name {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 16px;
}
.plan-price { display: flex; align-items: baseline; gap: 2px; }
.price-from { font-size: 1.1rem; color: var(--muted); }
.pricing-card--featured .price-from { color: rgba(255,255,255,0.5); }
.price-num {
  font-family: 'Noto Serif JP', serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1;
}
.pricing-card--featured .price-num { color: var(--white); }
.price-suffix { font-size: 1rem; color: var(--muted); margin-left: 4px; }
.pricing-card--featured .price-suffix { color: rgba(255,255,255,0.5); }

.plan-features {
  margin-bottom: 28px;
}
.plan-features li {
  padding: 9px 0;
  font-size: 0.9rem;
  color: var(--muted);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.pricing-card--featured .plan-features li {
  color: rgba(255,255,255,0.75);
  border-color: rgba(255,255,255,0.08);
}
.plan-features li span { color: var(--gold); font-weight: 700; flex-shrink: 0; }

/* 保守プラン */
.maintenance-section {
  background: var(--cream);
  border: 1px solid var(--cream-dark);
  border-radius: 10px;
  padding: 36px;
}
.maintenance-heading {
  text-align: center;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--dark-mid);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--cream-dark);
}
.maintenance-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.maintenance-card {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}
.maintenance-name {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--dark-mid);
}
.maintenance-price {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}
.maintenance-price span {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 400;
}
.maintenance-desc { font-size: 0.825rem; color: var(--muted); }

/* ============================
   実績
============================ */
.works-section { background: var(--cream); }
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
  margin-bottom: 24px;
}
.work-card {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.work-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.work-thumb {
  aspect-ratio: 16/9;
  position: relative;
  overflow: hidden;
}
.work-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #cbbf97, #a89060);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: 'Noto Serif JP', serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  gap: 4px;
  transition: transform var(--transition);
}
.work-card:hover .work-placeholder { transform: scale(1.03); }
.work-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition);
}
.work-card:hover .work-thumb img { transform: scale(1.03); }
.work-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  opacity: 0;
  transition: opacity var(--transition);
}
.work-card:hover .work-overlay { opacity: 1; }

.work-meta { padding: 20px 24px; background: var(--cream); }
.work-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gold);
  background: var(--gold-pale);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
}
.work-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.work-desc { font-size: 0.875rem; color: var(--muted); }
.works-note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--muted);
}

/* ============================
   お問い合わせ
============================ */
.contact-section { background: var(--cream-dark); }
.contact-form { margin-bottom: 48px; }
/* 迷惑メール対策の隠し欄（人には見せない） */
.form-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark-mid);
}
.required {
  display: inline-block;
  background: var(--dark);
  color: var(--white);
  font-size: 0.68rem;
  padding: 2px 6px;
  border-radius: 2px;
  margin-left: 6px;
  vertical-align: middle;
  font-weight: 400;
}
.form-input,
.form-textarea {
  display: block;
  width: 100%;
  padding: 13px 16px;
  border: 1px solid #d4cfc4;
  border-radius: var(--radius);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.95rem;
  background: var(--cream);
  color: var(--dark);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
}
.form-input:focus,
.form-textarea:focus {
  border-color: var(--dark);
  box-shadow: 0 0 0 3px rgba(17,17,17,0.06);
}
.form-textarea { resize: vertical; min-height: 160px; line-height: 1.7; }

.contact-sub {
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
  padding: 28px;
  background: var(--cream);
  border: 1px solid var(--cream-dark);
  border-radius: var(--radius);
}
.contact-info-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 4px;
}
.contact-info-val {
  font-size: 1rem;
  font-weight: 500;
  color: var(--dark);
  transition: color var(--transition);
}
.contact-info-val:hover { color: var(--gold); }

.line-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--cream);
  border: 1px solid var(--cream-dark);
  border-left: 4px solid #06c755;
  border-radius: var(--radius);
  padding: 24px 28px;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
  color: inherit;
}
.line-cta:hover {
  background: #f0faf2;
  border-color: #06c755;
  box-shadow: 0 4px 16px rgba(6,199,85,0.12);
  transform: translateY(-2px);
}
.line-icon { color: #06c755; flex-shrink: 0; }
.line-body { flex: 1; }
.line-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 4px;
  color: var(--dark);
}
.line-account {
  font-size: 0.875rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.line-arrow {
  font-size: 0.8rem;
  font-weight: 700;
  color: #06c755;
}

/* ============================
   フッター
============================ */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.65);
  padding: 56px 0 28px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.1rem;
  color: var(--white);
  font-weight: 700;
  line-height: 1.2;
}
.footer-tagline {
  font-size: 0.875rem;
  color: var(--gold-light);
  margin-bottom: 6px;
}
.footer-origin { font-size: 0.78rem; opacity: 0.5; }

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}
.footer-nav a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--gold-light); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-address { font-size: 0.8rem; }
.copyright { font-size: 0.8rem; opacity: 0.4; }

/* ============================
   浮かぶLINEボタン
============================ */
.line-float {
  position: fixed;
  right: 20px;
  bottom: 32px;
  z-index: 90;
  background: #06c755;
  color: var(--white);
  border-radius: 50px;
  padding: 14px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  box-shadow: 0 4px 20px rgba(6, 199, 85, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}
.line-float:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(6, 199, 85, 0.5);
}
.line-float-txt {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* ============================
   スクロールアニメーション
============================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.why-stats .stat-item:nth-child(2) { transition-delay: 0.1s; }
.why-stats .stat-item:nth-child(3) { transition-delay: 0.2s; }
.why-blocks .why-block:nth-child(2) { transition-delay: 0.1s; }
.why-blocks .why-block:nth-child(3) { transition-delay: 0.1s; }
.why-blocks .why-block:nth-child(4) { transition-delay: 0.2s; }
.services-grid .service-card:nth-child(2) { transition-delay: 0.1s; }
.services-grid .service-card:nth-child(3) { transition-delay: 0.2s; }
.pricing-grid .pricing-card:nth-child(2) { transition-delay: 0.1s; }
.pricing-grid .pricing-card:nth-child(3) { transition-delay: 0.2s; }

/* ============================
   FAQ
============================ */
.faq-section { background: var(--white); }

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--cream-dark);
}

.faq-item {
  border-bottom: 1px solid var(--cream-dark);
}

.faq-q {
  width: 100%;
  text-align: left;
  padding: 22px 52px 22px 4px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.6;
  position: relative;
  transition: color var(--transition);
}

.faq-q::before {
  content: 'Q';
  display: inline-block;
  width: 28px;
  height: 28px;
  background: var(--gold);
  color: var(--white);
  border-radius: 50%;
  text-align: center;
  line-height: 28px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-right: 14px;
  flex-shrink: 0;
  vertical-align: middle;
}

.faq-q::after {
  content: '+';
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.6rem;
  color: var(--gold);
  font-weight: 300;
  line-height: 1;
  transition: transform var(--transition);
}

.faq-q[aria-expanded="true"] { color: var(--gold); }
.faq-q[aria-expanded="true"]::after {
  content: '−';
  transform: translateY(-50%);
}

.faq-a {
  display: none;
  padding: 0 4px 22px 42px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.9;
}
.faq-a.is-open { display: block; }

.faq-cta {
  text-align: center;
  margin-top: 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.faq-cta p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ============================
   レスポンシブ（768px以下）
============================ */
@media (max-width: 768px) {
  .section { padding: 72px 0; }

  /* ハンバーガー */
  .hamburger { display: flex; }
  .global-nav {
    display: none;
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--cream);
    border-bottom: 1px solid var(--cream-dark);
    padding: 16px 0;
    z-index: 99;
  }
  .global-nav.is-open { display: block; }
  .global-nav ul { flex-direction: column; gap: 0; }
  .global-nav ul li { border-bottom: 1px solid var(--cream-dark); }
  .nav-link {
    display: block;
    padding: 15px 24px;
    font-size: 1rem;
  }
  .nav-link::after { display: none; }
  .nav-cta { margin: 12px 20px; display: block; text-align: center; border-radius: var(--radius); }

  /* ヒーロー */
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 40px 0;
  }
  .hero-visual { order: -1; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; }

  /* 統計 */
  .why-stats { grid-template-columns: 1fr; }
  .why-blocks { grid-template-columns: 1fr; }

  /* BA */
  .ba-grid { grid-template-columns: 1fr; }
  .ba-arrow { flex-direction: row; justify-content: center; padding: 8px 0; }
  .ba-arrow-icon { font-size: 1.5rem; transform: rotate(90deg); }

  /* サービス・料金 */
  .services-grid,
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card--featured { transform: none; order: -1; }
  .pricing-card--featured:hover { transform: translateY(-4px); }

  /* 保守 */
  .maintenance-cards { grid-template-columns: 1fr; }

  /* フォーム */
  .form-row { grid-template-columns: 1fr; }

  /* フッター */
  .footer-top { flex-direction: column; }
  .footer-nav ul { align-items: flex-start; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  /* LINE */
  .line-cta { flex-direction: column; text-align: center; align-items: center; }

  /* contact sub */
  .contact-sub { flex-direction: column; gap: 20px; align-items: center; text-align: center; }
}

  /* FAQ */
  .faq-q {
    font-size: 0.9rem;
    padding: 18px 44px 18px 4px;
  }
  .faq-a { padding: 0 4px 18px 38px; }

@media (max-width: 480px) {
  .hero-title { font-size: 1.5rem; }
  .section-title { font-size: 1.4rem; }
  .stat-num { font-size: 2rem; }
  .why-block { flex-direction: column; gap: 12px; }
  .hero-lead { font-size: 0.88rem; }
  .hero-eyebrow { font-size: 0.7rem; }
  .plan-name { font-size: 1rem; }
  .price-num { font-size: 2rem; }
  .faq-q { font-size: 0.85rem; padding: 16px 40px 16px 4px; }
  .work-name { font-size: 0.95rem; }
  .section-desc { font-size: 0.88rem; }
  .btn { padding: 14px 24px; font-size: 0.88rem; }
}