/* ============================================================
   西恵クリーン Corporate Website — Main Stylesheet
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --orange:        #FF8C2A;
  --orange-light:  #FFB366;
  --orange-lighter:#FFD9A8;
  --orange-dark:   #E06000;
  --orange-darker: #C04800;
  --white:         #FFFFFF;
  --off-white:     #FFF8F2;
  --gray-light:    #F6F6F6;
  --gray:          #E0E0E0;
  --text:          #333333;
  --text-light:    #666666;
  --grad:          linear-gradient(135deg, #C04800 0%, #FF8C2A 50%, #FFB366 100%);
  --grad-h:        linear-gradient(90deg, #E06000, #FFB366);
  --shadow:        0 8px 30px rgba(255,140,42,0.18);
  --shadow-card:   0 6px 24px rgba(0,0,0,0.07);
  --radius:        14px;
  --radius-sm:     8px;
  --ease:          0.3s ease;
  --font:          'Noto Sans JP', 'ヒラギノ角ゴ Pro W3', 'Hiragino Kaku Gothic Pro', 'メイリオ', Meiryo, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.75;
  overflow-x: hidden;
}

h1,h2,h3,h4 { font-weight: 700; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ============================================================
   COMMON LAYOUT
   ============================================================ */

.section { padding: 88px 24px; }
.section-inner { max-width: 1100px; margin: 0 auto; }

.section-eyebrow {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  text-align: center;
  margin-bottom: 6px;
}
.section-title span { color: var(--orange); }

.section-title::after {
  content: '';
  display: block;
  width: 52px;
  height: 4px;
  background: var(--grad-h);
  border-radius: 2px;
  margin: 16px auto 0;
}

.section-lead {
  text-align: center;
  color: var(--text-light);
  font-size: 0.93rem;
  margin-top: 18px;
  margin-bottom: 52px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: transform var(--ease), box-shadow var(--ease);
  font-family: var(--font);
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad);
  color: var(--white);
  box-shadow: 0 6px 22px rgba(255,140,42,0.40);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(255,140,42,0.50); }

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.85);
}
.btn-outline-white:hover { background: var(--white); color: var(--orange-dark); }

.btn-outline-orange {
  background: transparent;
  color: var(--orange-dark);
  border: 2px solid var(--orange);
}
.btn-outline-orange:hover { background: var(--orange); color: var(--white); }

/* ============================================================
   HEADER
   ============================================================ */

.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: 72px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--ease), box-shadow var(--ease);
}
.header.scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 2px 18px rgba(0,0,0,0.09);
  backdrop-filter: blur(8px);
}

.header-logo { height: 48px; width: auto; }

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white);
  transition: color var(--ease);
  position: relative;
  padding-bottom: 3px;
}
.header.scrolled .nav-link { color: var(--text); }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--orange);
  border-radius: 2px;
  transition: width var(--ease);
}
.nav-link:hover::after { width: 100%; }
.nav-link:hover { color: var(--orange); }

.nav-cta {
  background: var(--orange);
  color: var(--white) !important;
  padding: 8px 22px;
  border-radius: 50px;
  font-size: 0.85rem;
}
.nav-cta:hover { background: var(--orange-dark); transform: translateY(-1px); }
.nav-cta::after { display: none; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--ease);
}
.header.scrolled .hamburger span { background: var(--text); }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: var(--white);
  box-shadow: 0 12px 32px rgba(0,0,0,0.10);
  padding: 12px 16px 20px;
  z-index: 999;
  flex-direction: column;
  gap: 2px;
}
.mobile-nav.open { display: flex; }
.mobile-nav-link {
  display: block;
  padding: 13px 18px;
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
  transition: background var(--ease), color var(--ease);
}
.mobile-nav-link:hover { background: var(--off-white); color: var(--orange); }

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #BF4500 0%, #E06000 25%, #FF8C2A 55%, #FFB366 80%, #FF8C2A 100%);
  background-size: 400% 400%;
  animation: gradShift 9s ease infinite;
}

@keyframes gradShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Geometric background shapes */
.hero-bg-circle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
  animation: pulseBig ease-in-out infinite;
  pointer-events: none;
}
.hero-bg-circle:nth-child(1) { width: 700px; height: 700px; top: -250px; right: -200px; animation-duration: 7s; }
.hero-bg-circle:nth-child(2) { width: 450px; height: 450px; bottom: -150px; left: -120px; animation-duration: 9s; animation-delay: 2s; }
.hero-bg-circle:nth-child(3) { width: 220px; height: 220px; top: 30%; left: 8%; animation-duration: 5.5s; animation-delay: 1s; }

@keyframes pulseBig {
  0%,100% { transform: scale(1); opacity: 0.5; }
  50%      { transform: scale(1.08); opacity: 0.9; }
}

/* Floating particles (generated by JS) */
.hero-particles { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.13);
  animation: particleRise linear infinite;
}
@keyframes particleRise {
  0%   { transform: translateY(110vh) rotate(0deg); opacity: 0; }
  5%   { opacity: 1; }
  90%  { opacity: 0.8; }
  100% { transform: translateY(-80px) rotate(720deg); opacity: 0; }
}

/* Truck animation */
.hero-truck {
  position: absolute;
  bottom: 68px;
  font-size: 3.6rem;
  pointer-events: none;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.25));
  animation: truckRide 14s ease-in-out infinite;
}
@keyframes truckRide {
  0%   { left: -140px; opacity: 0; }
  6%   { opacity: 1; }
  46%  { left: calc(50% - 36px); }
  54%  { left: calc(50% - 36px); }
  94%  { opacity: 1; }
  100% { left: calc(100% + 140px); opacity: 0; }
}

/* Hero content */
.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 110px 24px 130px;
  color: var(--white);
  max-width: 860px;
}

.hero-logo {
  max-width: 300px;
  margin: 0 auto 28px;
  filter: drop-shadow(0 6px 24px rgba(0,0,0,0.22));
  animation: logoIn 0.9s cubic-bezier(.22,1,.36,1) forwards, logoFloat 4s ease-in-out 1s infinite;
  opacity: 0;
}
@keyframes logoIn {
  from { opacity: 0; transform: translateY(-24px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes logoFloat {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-9px); }
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.22);
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 50px;
  padding: 5px 18px;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  margin-bottom: 16px;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.5s forwards;
}

.hero-title {
  font-size: clamp(1.6rem, 5.5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.35;
  text-shadow: 0 3px 12px rgba(0,0,0,0.15);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.7s forwards;
}

.hero-desc {
  font-size: clamp(0.88rem, 2vw, 1rem);
  line-height: 1.85;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.9s forwards;
  margin-bottom: 36px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.7s ease 1.1s forwards;
  margin-bottom: 36px;
}

.hero-tel-block {
  opacity: 0;
  animation: fadeUp 0.7s ease 1.3s forwards;
}
.hero-tel-label { font-size: 0.78rem; letter-spacing: 0.1em; opacity: 0.82; }
.hero-tel {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 900;
  letter-spacing: 0.04em;
}
.hero-tel a { color: var(--white); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Scroll cue */
.scroll-cue {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  color: rgba(255,255,255,0.75);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  z-index: 10;
  opacity: 0;
  animation: fadeUp 0.6s ease 2s forwards;
}
.scroll-cue-arrow {
  width: 18px; height: 18px;
  border-right: 2px solid rgba(255,255,255,0.75);
  border-bottom: 2px solid rgba(255,255,255,0.75);
  transform: rotate(45deg);
  animation: bounce 1.6s ease infinite;
}
@keyframes bounce {
  0%,100% { transform: rotate(45deg) translateY(0); }
  50%      { transform: rotate(45deg) translateY(7px); }
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */

.services { background: var(--gray-light); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 24px 28px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform var(--ease), box-shadow var(--ease);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--grad-h);
  z-index: 1;
}
.service-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 18px 44px rgba(255,140,42,0.16);
}

/* カード上部の写真エリア */
.service-card-photo {
  width: calc(100% + 48px);
  margin: -36px -24px 20px;
  height: 190px;
  overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
}
.service-card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.service-card:hover .service-card-photo img {
  transform: scale(1.06);
}

.service-icon {
  font-size: 2.8rem;
  display: block;
  margin-bottom: 18px;
}
.service-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-card p {
  font-size: 0.84rem;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 20px;
}
.service-link {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--orange-dark);
  border: 2px solid var(--orange);
  padding: 6px 20px;
  border-radius: 50px;
  transition: var(--ease);
}
.service-link:hover { background: var(--orange); color: var(--white); }

/* ============================================================
   FLOW SECTION
   ============================================================ */

.flow { background: var(--white); }

.flow-steps {
  display: flex;
  gap: 0;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

.flow-step {
  flex: 1;
  min-width: 170px;
  max-width: 210px;
  text-align: center;
  padding: 24px 14px;
  position: relative;
}
.flow-step:not(:last-child)::after {
  content: '›';
  position: absolute;
  right: -6px;
  top: 44px;
  font-size: 2.2rem;
  color: var(--orange-lighter);
}

.flow-num {
  width: 54px; height: 54px;
  background: var(--grad);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 900;
  margin: 0 auto 14px;
  box-shadow: 0 4px 16px rgba(255,140,42,0.35);
}
.flow-emoji {
  font-size: 1.8rem;
  display: block;
  margin-bottom: 10px;
}
.flow-step h3 {
  font-size: 0.9rem;
  margin-bottom: 6px;
}
.flow-step p {
  font-size: 0.78rem;
  color: var(--text-light);
  line-height: 1.65;
}

/* ============================================================
   CTA BAND
   ============================================================ */

.cta-band {
  background: var(--grad);
  padding: 72px 24px;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M20 20.5V18H0v5h20v20.5h2V23h20v-5H22V.5h-2z'/%3E%3C/g%3E%3C/svg%3E");
}
.cta-band > * { position: relative; }
.cta-band h2 { font-size: clamp(1.3rem,4vw,2rem); margin-bottom: 12px; }
.cta-band > p { opacity: 0.9; margin-bottom: 30px; }
.cta-tel {
  font-size: clamp(2rem,6vw,3.2rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.cta-tel a { color: var(--white); }
.cta-hours { font-size: 0.82rem; opacity: 0.82; margin-bottom: 28px; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   PRICE SECTION
   ============================================================ */

.price { background: var(--off-white); }

.price-h3 {
  font-size: 1.1rem;
  color: var(--orange-darker);
  margin: 40px 0 14px;
  padding-left: 12px;
  border-left: 4px solid var(--orange);
}
.price-h3:first-of-type { margin-top: 0; }

.price-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: 12px;
}
.price-table th {
  background: var(--grad);
  color: var(--white);
  padding: 14px 20px;
  text-align: left;
  font-size: 0.88rem;
}
.price-table td {
  padding: 13px 20px;
  border-bottom: 1px solid var(--gray);
  font-size: 0.88rem;
  vertical-align: top;
}
.price-table tr:last-child td { border-bottom: none; }
.price-table tr:nth-child(even) td { background: var(--gray-light); }
.price-amount {
  font-weight: 700;
  color: var(--orange-darker);
  white-space: nowrap;
  text-align: right;
}
.price-note {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 16px;
}

.note-box {
  background: var(--off-white);
  border-left: 4px solid var(--orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 14px 18px;
  font-size: 0.87rem;
  line-height: 1.7;
  margin: 20px 0;
}
.warn-box {
  background: #FFF8E1;
  border-left: 4px solid #FFAA00;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 14px 18px;
  font-size: 0.87rem;
  line-height: 1.7;
  margin: 20px 0;
}

/* ============================================================
   COMPANY SECTION
   ============================================================ */

.company { background: var(--white); }

.company-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.company-dl dt {
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--orange-dark);
  letter-spacing: 0.05em;
  padding: 12px 0 4px;
  border-top: 1px solid var(--gray);
  margin-top: 4px;
}
.company-dl dt:first-child { border-top: none; padding-top: 0; }
.company-dl dd {
  font-size: 0.92rem;
  line-height: 1.7;
  padding-bottom: 6px;
}

.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-top: 28px;
}
.map-wrap iframe { display: block; width: 100%; height: 260px; border: none; }

/* ============================================================
   CONTACT FORM
   ============================================================ */

.contact-form { display: flex; flex-direction: column; gap: 18px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 0.83rem;
  font-weight: 700;
  color: var(--text);
}
.form-group .req {
  display: inline-block;
  background: var(--orange);
  color: var(--white);
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 14px;
  border: 2px solid var(--gray);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-family: var(--font);
  transition: border-color var(--ease);
  background: var(--white);
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--orange);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-submit {
  align-self: center;
  background: var(--grad);
  color: var(--white);
  padding: 16px 52px;
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  box-shadow: 0 6px 22px rgba(255,140,42,0.35);
  transition: transform var(--ease), box-shadow var(--ease);
}
.form-submit:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(255,140,42,0.45); }

/* ============================================================
   FAQ
   ============================================================ */

.faq { background: var(--gray-light); }

.faq-list { display: flex; flex-direction: column; gap: 10px; }

.faq-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.faq-q {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.93rem;
  user-select: none;
  transition: background var(--ease);
}
.faq-q:hover { background: var(--off-white); }
.faq-q-badge {
  flex-shrink: 0;
  width: 30px; height: 30px;
  background: var(--orange);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 900;
}
.faq-q-arrow {
  margin-left: auto;
  flex-shrink: 0;
  font-size: 0.75rem;
  color: var(--orange);
  transition: transform 0.35s;
}
.faq-item.open .faq-q-arrow { transform: rotate(180deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 22px 0 66px;
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.82;
}
.faq-item.open .faq-a { max-height: 400px; padding: 4px 22px 20px 66px; }

/* ============================================================
   SUBPAGE HERO
   ============================================================ */

.page-hero {
  background: var(--grad);
  padding: 150px 24px 68px;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23fff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
}
.page-hero > * { position: relative; }
.page-hero h1 { font-size: clamp(1.8rem,5vw,3rem); margin-bottom: 8px; }
.page-hero p { font-size: 0.95rem; opacity: 0.85; }
.breadcrumb {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 20px;
  font-size: 0.78rem;
  opacity: 0.78;
  flex-wrap: wrap;
}
.breadcrumb a { color: rgba(255,255,255,0.8); }
.breadcrumb a:hover { color: var(--white); text-decoration: underline; }

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: #1A1A1A;
  color: rgba(255,255,255,0.78);
  padding: 64px 24px 32px;
}
.footer-inner { max-width: 1100px; margin: 0 auto; }

.footer-top {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 60px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 28px;
}
.footer-logo {
  max-width: 170px;
  margin-bottom: 18px;
}
.footer-info { font-size: 0.83rem; line-height: 2; }
.footer-info p { margin: 0; }

.footer-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}
.footer-nav-group h4 {
  font-size: 0.78rem;
  color: var(--orange-light);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.footer-nav-group ul { display: flex; flex-direction: column; gap: 8px; }
.footer-nav-group ul li a {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.62);
  transition: color var(--ease);
}
.footer-nav-group ul li a:hover { color: var(--orange-light); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy { font-size: 0.78rem; color: rgba(255,255,255,0.35); }
.footer-links { display: flex; gap: 18px; }
.footer-links a { font-size: 0.78rem; color: rgba(255,255,255,0.45); transition: color var(--ease); }
.footer-links a:hover { color: var(--orange-light); }

/* ============================================================
   UTILITIES
   ============================================================ */

.text-center { text-align: center; }
.text-orange { color: var(--orange); }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-32 { margin-bottom: 32px; }
.tag {
  display: inline-block;
  background: var(--orange-lighter);
  color: var(--orange-darker);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 50px;
}

/* ============================================================
   HERO IMAGE SLIDER
   ============================================================ */

.hero-slider {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 560px;
  overflow: hidden;
  background: #111;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.3s ease;
  pointer-events: none;
}
.slide.active { opacity: 1; pointer-events: auto; }

.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.07);
  will-change: transform;
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(0,0,0,0.52) 0%,
    rgba(0,0,0,0.25) 55%,
    rgba(0,0,0,0.55) 100%
  );
}

.slide-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  z-index: 2;
  padding: 80px 24px 120px;
}

.slide-eyebrow {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  border: 1px solid rgba(255,255,255,0.55);
  padding: 5px 18px;
  border-radius: 50px;
  margin-bottom: 22px;
  opacity: 0;
  transition: opacity 0.7s ease 0.2s;
}
.slide.active .slide-eyebrow { opacity: 1; }

.slide-title {
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 18px;
  text-shadow: 0 2px 18px rgba(0,0,0,0.45);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease 0.4s, transform 0.7s ease 0.4s;
}
.slide.active .slide-title { opacity: 1; transform: translateY(0); }

.slide-desc {
  font-size: clamp(0.88rem, 2vw, 1.05rem);
  line-height: 1.82;
  max-width: 600px;
  margin-bottom: 34px;
  opacity: 0;
  transition: opacity 0.7s ease 0.6s;
}
.slide.active .slide-desc { opacity: 0.9; }

.slide-content .btn {
  opacity: 0;
  transition: opacity 0.7s ease 0.8s;
}
.slide.active .slide-content .btn { opacity: 1; }

/* 矢印ナビ */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: 2px solid rgba(255,255,255,0.5);
  color: var(--white);
  font-size: 1.1rem;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: background var(--ease), transform var(--ease);
  display: flex;
  align-items: center;
  justify-content: center;
}
.slider-arrow:hover {
  background: rgba(255,140,42,0.75);
  border-color: var(--orange);
  transform: translateY(-50%) scale(1.1);
}
.slider-prev { left: 22px; }
.slider-next { right: 22px; }

/* ドットナビ */
.slider-dots {
  position: absolute;
  bottom: 82px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}
.slider-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  border: 2px solid rgba(255,255,255,0.65);
  cursor: pointer;
  transition: background var(--ease), transform var(--ease);
  padding: 0;
}
.slider-dot.active {
  background: var(--orange);
  border-color: var(--orange);
  transform: scale(1.35);
}

/* ボトムバー（ロゴ・電話・CTA） */
.hero-bottom-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 10;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255,255,255,0.3);
}
.hero-bottom-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.hero-bottom-logo { height: 46px; width: auto; }
.hero-bottom-contact { text-align: center; }
.hero-bottom-label { font-size: 0.7rem; color: var(--text-light); letter-spacing: 0.08em; margin-bottom: 2px; }
.hero-bottom-tel { font-size: 1.7rem; font-weight: 900; color: var(--orange-darker); letter-spacing: 0.04em; line-height: 1; }
.hero-bottom-tel a { color: inherit; }
.hero-bottom-hours { font-size: 0.7rem; color: var(--text-light); margin-top: 3px; }

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

@media (max-width: 900px) {
  .company-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 768px) {
  .section { padding: 64px 16px; }
  .nav { display: none; }
  .hamburger { display: flex; }

  .hero-logo { max-width: 220px; }
  .hero-title { font-size: 1.7rem; }

  .services-grid { grid-template-columns: 1fr 1fr; }

  .flow-steps { flex-direction: column; align-items: center; }
  .flow-step { max-width: 280px; }
  .flow-step:not(:last-child)::after { content: '↓'; right: 50%; bottom: -14px; top: auto; transform: translateX(50%); font-size: 1.6rem; }

  .form-row { grid-template-columns: 1fr; }

  .footer-nav { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .slider-arrow { width: 40px; height: 40px; font-size: 0.9rem; }
  .slider-prev { left: 10px; }
  .slider-next { right: 10px; }
  .hero-bottom-logo { display: none; }
  .hero-bottom-tel { font-size: 1.3rem; }
}

@media (max-width: 768px) {
  .hero-bottom-logo { height: 36px; }
  .hero-bottom-tel { font-size: 1.4rem; }
  .hero-bottom-inner { gap: 12px; padding: 10px 16px; }
  .slider-dots { bottom: 76px; }
}