/* ============================================
   SKELTON - Skeleton Renovation Website
   Industrial Modern: Concrete + Black + Copper
   ============================================ */

:root {
  --concrete: #E8E8E8;
  --black: #0A0A0A;
  --copper: #B87333;
  --copper-light: #D4945A;
  --copper-dark: #8B5A2B;
  --gray-100: #F5F5F5;
  --gray-200: #E0E0E0;
  --gray-300: #C4C4C4;
  --gray-400: #999999;
  --gray-500: #666666;
  --gray-600: #444444;
  --gray-700: #2A2A2A;
  --gray-800: #1A1A1A;
  --gray-900: #111111;
  --font-heading: 'Inter', 'Zen Kaku Gothic New', sans-serif;
  --font-body: 'Noto Sans JP', sans-serif;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--concrete);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-label {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--copper);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-desc {
  color: var(--gray-400);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
  font-size: 15px;
}

.ta-center {
  text-align: center;
}

.sp-only {
  display: none;
}

/* Sample Banner */
.sample-banner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--copper);
  color: #fff;
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  z-index: 10000;
  letter-spacing: 0.5px;
}

/* Header */
.header {
  position: fixed;
  top: 37px;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(184, 115, 51, 0.1);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(10, 10, 10, 0.95);
  border-bottom-color: rgba(184, 115, 51, 0.2);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 6px;
  color: #fff;
}

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

.nav-desktop a {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--gray-300);
  transition: color 0.3s;
  position: relative;
}

.nav-desktop a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--copper);
  transition: width 0.3s;
}

.nav-desktop a:not(.nav-cta):hover {
  color: #fff;
}

.nav-desktop a:not(.nav-cta):hover::after {
  width: 100%;
}

.nav-cta {
  background: var(--copper);
  color: #fff !important;
  padding: 8px 20px;
  font-weight: 600;
  transition: background 0.3s, transform 0.3s !important;
}

.nav-cta:hover {
  background: var(--copper-light);
  transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1100;
}

.hamburger span {
  display: block;
  width: 28px;
  height: 2px;
  background: #fff;
  transition: var(--transition);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: rgba(10, 10, 10, 0.98);
  z-index: 1050;
  transition: right 0.5s cubic-bezier(0.77, 0, 0.175, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-nav.active {
  right: 0;
}

.mobile-nav-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--gray-300);
  transition: color 0.3s;
}

.mobile-nav-link:hover {
  color: var(--copper);
}

.mobile-nav-cta {
  margin-top: 16px;
  background: var(--copper);
  color: #fff;
  padding: 14px 40px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: transform 8s ease-out;
}

.hero-bg img.loaded {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10,10,10,0.7) 0%, rgba(10,10,10,0.4) 40%, rgba(10,10,10,0.8) 100%),
    linear-gradient(90deg, rgba(10,10,10,0.5) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 24px 80px;
}

.hero-sub {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 8px;
  color: var(--copper);
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(34px, 6vw, 64px);
  font-weight: 800;
  letter-spacing: 4px;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 16px;
  color: var(--gray-300);
  line-height: 2;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-bottom: 48px;
}

.hero-stat {
  text-align: center;
}

.hero-stat-num {
  font-family: var(--font-heading);
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 800;
  color: var(--copper);
  line-height: 1;
}

.hero-stat-unit {
  font-size: 18px;
  color: var(--copper);
  margin-left: 4px;
}

.hero-stat-label {
  display: block;
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 8px;
  letter-spacing: 1px;
}

.hero-stat-divider {
  width: 1px;
  height: 50px;
  background: var(--gray-600);
}

.hero-btn {
  display: inline-block;
  background: var(--copper);
  color: #fff;
  padding: 16px 48px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 2px;
  transition: background 0.3s, transform 0.3s, box-shadow 0.3s;
}

.hero-btn:hover {
  background: var(--copper-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(184, 115, 51, 0.3);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero-scroll span {
  font-family: var(--font-heading);
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--gray-400);
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--copper), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
}

/* About */
.about {
  background: var(--gray-900);
}

.about-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 64px;
  align-items: center;
}

.about-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.about-icon {
  opacity: 0.8;
}

.about-badge {
  position: absolute;
  bottom: -10px;
  right: 20px;
  font-family: var(--font-heading);
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--copper);
  border: 1px solid var(--copper);
  padding: 6px 16px;
  background: var(--gray-900);
}

.about-lead {
  font-size: 20px;
  font-weight: 500;
  color: #fff;
  line-height: 1.8;
  margin-bottom: 24px;
  padding-left: 16px;
  border-left: 3px solid var(--copper);
}

.about-text p {
  color: var(--gray-400);
  margin-bottom: 16px;
  font-size: 15px;
}

/* Skeleton / What is */
.skeleton {
  background: var(--black);
  border-top: 1px solid var(--gray-800);
}

.skeleton-diagram {
  margin-bottom: 64px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.skeleton-svg {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  display: block;
}

.skeleton-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.skeleton-point {
  padding: 32px;
  background: var(--gray-900);
  border: 1px solid var(--gray-800);
  transition: border-color 0.3s;
}

.skeleton-point:hover {
  border-color: var(--copper);
}

.skeleton-point-num {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 800;
  color: var(--copper);
  opacity: 0.6;
  margin-bottom: 12px;
  line-height: 1;
}

.skeleton-point h3 {
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 12px;
}

.skeleton-point p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.8;
}

/* Services */
.services {
  background: var(--gray-900);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--gray-800);
  padding: 40px 32px;
  border: 1px solid transparent;
  transition: border-color 0.4s, transform 0.4s;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--copper);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}

.service-card:hover {
  border-color: var(--gray-600);
  transform: translateY(-4px);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  margin-bottom: 24px;
}

.service-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.8;
}

.service-tag {
  display: inline-block;
  margin-top: 16px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--copper);
  border: 1px solid var(--copper);
  padding: 4px 12px;
}

/* Works */
.works {
  background: var(--black);
  border-top: 1px solid var(--gray-800);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.work-card {
  background: var(--gray-900);
  overflow: hidden;
  border: 1px solid var(--gray-800);
  transition: border-color 0.3s;
}

.work-card:hover {
  border-color: var(--copper);
}

.work-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.work-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}

.work-card:hover .work-img img {
  transform: scale(1.08);
}

.work-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}

.work-card:hover .work-overlay {
  opacity: 1;
}

.work-overlay span {
  font-family: var(--font-heading);
  font-size: 12px;
  letter-spacing: 3px;
  color: #fff;
  border: 1px solid #fff;
  padding: 8px 20px;
}

.work-info {
  padding: 24px;
}

.work-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.work-tags span {
  font-size: 11px;
  color: var(--copper);
  border: 1px solid rgba(184, 115, 51, 0.3);
  padding: 3px 10px;
}

.work-info h3 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.5;
}

.work-info p {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.8;
  margin-bottom: 16px;
}

.work-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.work-meta span {
  font-size: 12px;
  color: var(--gray-500);
  font-family: var(--font-heading);
  letter-spacing: 0.5px;
}

.work-meta span::before {
  content: '//';
  color: var(--copper);
  margin-right: 6px;
  opacity: 0.5;
}

/* Cost */
.cost {
  background: var(--gray-900);
}

.cost-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.cost-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.cost-table th {
  background: var(--gray-800);
  color: var(--gray-300);
  font-weight: 600;
  padding: 16px 20px;
  text-align: left;
  font-size: 13px;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--copper);
  white-space: nowrap;
}

.cost-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-800);
  color: var(--gray-300);
}

.cost-table tbody tr:hover {
  background: rgba(184, 115, 51, 0.05);
}

.cost-price {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--copper) !important;
  font-size: 15px;
  white-space: nowrap;
}

.cost-highlight {
  background: rgba(184, 115, 51, 0.08);
}

.cost-highlight td {
  border-bottom: 2px solid var(--copper);
}

.cost-note {
  text-align: center;
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 24px;
}

/* Reason */
.reason {
  background: var(--gray-900);
  border-top: 1px solid var(--gray-800);
}

.reason-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.reason-card {
  display: flex;
  gap: 20px;
  padding: 32px;
  background: var(--black);
  border: 1px solid var(--gray-800);
  transition: border-color 0.3s;
}

.reason-card:hover {
  border-color: rgba(184, 115, 51, 0.4);
}

.reason-num {
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 800;
  color: var(--copper);
  opacity: 0.4;
  line-height: 1;
}

.reason-content h3 {
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}

.reason-content p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.8;
}

/* CTA Band */
.cta-band {
  background: var(--gray-800);
  padding: 64px 0;
  border-top: 3px solid var(--copper);
}

.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-band-text h2 {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.cta-band-text p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.8;
}

.cta-band-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}

.cta-band-tel {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 2px;
  transition: color 0.3s;
}

.cta-band-tel:hover {
  color: var(--copper);
}

.cta-band-btn {
  display: inline-block;
  text-align: center;
  background: var(--copper);
  color: #fff;
  padding: 14px 32px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  transition: background 0.3s;
}

.cta-band-btn:hover {
  background: var(--copper-light);
}

/* Flow */
.flow {
  background: var(--black);
  border-top: 1px solid var(--gray-800);
}

.flow-steps {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.flow-steps::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 20px;
  bottom: 20px;
  width: 1px;
  background: linear-gradient(to bottom, var(--copper), var(--gray-700));
}

.flow-step {
  display: flex;
  gap: 32px;
  padding: 28px 0;
  position: relative;
}

.flow-num {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--copper);
  background: var(--black);
  border: 1px solid var(--copper);
  position: relative;
  z-index: 1;
}

.flow-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.flow-body p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.8;
}

/* Company */
.company {
  background: var(--gray-900);
}

.company-table-wrap {
  max-width: 800px;
  margin: 0 auto;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table tr {
  border-bottom: 1px solid var(--gray-800);
}

.company-table th {
  padding: 18px 20px;
  text-align: left;
  font-weight: 600;
  font-size: 14px;
  color: var(--copper);
  width: 160px;
  vertical-align: top;
  white-space: nowrap;
}

.company-table td {
  padding: 18px 20px;
  font-size: 14px;
  color: var(--gray-300);
  line-height: 1.8;
}

/* Contact */
.contact {
  background: var(--black);
  border-top: 1px solid var(--gray-800);
}

.contact-grid {
  max-width: 800px;
  margin: 0 auto;
}

.contact-phone {
  text-align: center;
  padding: 40px;
  background: var(--gray-900);
  border: 1px solid var(--gray-800);
  margin-bottom: 40px;
}

.contact-phone-label {
  font-size: 13px;
  color: var(--gray-400);
  margin-bottom: 12px;
}

.contact-phone-num {
  font-family: var(--font-heading);
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 800;
  color: var(--copper);
  letter-spacing: 3px;
  transition: color 0.3s;
}

.contact-phone-num:hover {
  color: var(--copper-light);
}

.contact-phone-hours {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 8px;
}

.contact-form {
  background: var(--gray-900);
  padding: 48px;
  border: 1px solid var(--gray-800);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-300);
  margin-bottom: 8px;
}

.required {
  font-size: 11px;
  color: var(--copper);
  margin-left: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--gray-800);
  border: 1px solid var(--gray-700);
  color: #fff;
  padding: 12px 16px;
  font-size: 15px;
  font-family: var(--font-body);
  transition: border-color 0.3s;
  appearance: none;
  -webkit-appearance: none;
  border-radius: 0;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--copper);
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23999' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  display: block;
  width: 100%;
  background: var(--copper);
  color: #fff;
  border: none;
  padding: 16px;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-body);
  letter-spacing: 2px;
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
}

.form-submit:hover {
  background: var(--copper-light);
  transform: translateY(-2px);
}

/* Footer */
.footer {
  background: var(--gray-900);
  border-top: 1px solid var(--gray-800);
  padding: 48px 0 32px;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--gray-800);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 4px;
  color: #fff;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 13px;
  color: var(--gray-500);
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--copper);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--gray-600);
}

.footer-credit a {
  color: var(--gray-500);
  transition: color 0.3s;
}

.footer-credit a:hover {
  color: var(--copper);
}

/* Animations */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .nav-desktop {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-visual {
    order: -1;
  }

  .skeleton-points {
    grid-template-columns: 1fr;
  }

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

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

  .cta-band-inner {
    flex-direction: column;
    text-align: center;
  }

  .cta-band-actions {
    align-items: center;
  }

  .works-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .sp-only {
    display: inline;
  }

  .header-inner {
    height: 60px;
  }

  .hero-stats {
    gap: 20px;
  }

  .hero-stat-divider {
    height: 36px;
  }

  .skeleton-diagram {
    margin-left: -24px;
    margin-right: -24px;
    padding: 0 24px;
  }

  .cost-table {
    font-size: 13px;
  }

  .cost-table th,
  .cost-table td {
    padding: 12px 14px;
  }

  .contact-form {
    padding: 32px 24px;
  }

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

  .footer-top {
    flex-direction: column;
    gap: 24px;
  }

  .footer-links {
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .flow-steps::before {
    left: 24px;
  }

  .flow-num {
    width: 48px;
    height: 48px;
    font-size: 14px;
  }

  .flow-step {
    gap: 24px;
  }

  .company-table th {
    width: 120px;
    padding: 14px 12px;
    font-size: 13px;
  }

  .company-table td {
    padding: 14px 12px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    letter-spacing: 2px;
  }

  .hero-desc {
    font-size: 14px;
  }

  .hero-btn {
    padding: 14px 36px;
    font-size: 14px;
  }

  .about-lead {
    font-size: 17px;
  }

  .logo-text {
    font-size: 18px;
    letter-spacing: 4px;
  }

  .service-card {
    padding: 32px 24px;
  }

  .flow-step {
    gap: 16px;
    padding: 20px 0;
  }

  .flow-num {
    width: 40px;
    height: 40px;
    font-size: 12px;
  }

  .flow-steps::before {
    left: 19px;
  }

  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
  }

  .company-table th {
    padding-bottom: 4px;
    border-bottom: none;
  }

  .company-table td {
    padding-top: 4px;
    padding-bottom: 18px;
  }
}