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

:root {
  --color-primary:   #E63012;
  --color-dark:      #111418;
  --color-surface:   #1C2026;
  --color-mid:       #2A3038;
  --color-light:     #F4F5F7;
  --color-white:     #FFFFFF;
  --color-text:      #E8EBF0;
  --color-muted:     #8A95A3;
  --color-border:    #2E3540;
  --radius-sm:       4px;
  --radius-md:       8px;
  --radius-lg:       12px;
  --font-heading:    'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-body:       'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --container:       1200px;
}

html { scroll-behavior: smooth; background: var(--color-dark); }
body {
  font-family: var(--font-body);
  background: var(--color-dark);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;900&display=swap');

.site-header {
  background: var(--color-dark);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--container);
  margin: 0 auto;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-logo {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.header-brand-name {
  font-size: 22px;
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: -0.5px;
}

.header-brand-name span {
  color: var(--color-primary);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
}

.header-nav a:hover,
.header-nav a.active { color: var(--color-white); }

.header-cta {
  background: var(--color-primary);
  color: var(--color-white) !important;
  padding: 10px 20px !important;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
}

.header-cta:hover { background: #c2270f; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
}

.hero {
  background: var(--color-dark);
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 60px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.hero-content { flex: 1; }

.hero-tag {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 900;
  line-height: 1.15;
  color: var(--color-white);
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero h1 em {
  color: var(--color-primary);
  font-style: normal;
}

.hero p {
  font-size: 16px;
  color: var(--color-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius-sm);
  display: inline-block;
}

.btn-primary:hover { background: #c2270f; color: var(--color-white); }

.btn-outline {
  background: transparent;
  color: var(--color-white);
  font-size: 15px;
  font-weight: 600;
  padding: 13px 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: inline-block;
}

.btn-outline:hover { border-color: var(--color-white); }

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.hero-placeholder {
  width: 100%;
  max-width: 540px;
  height: 360px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-muted);
}

.hero-placeholder svg { width: 48px; height: 48px; opacity: 0.4; }
.hero-placeholder p { font-size: 13px; }

.stats {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0;
}

.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.stat-item {
  padding: 40px 24px;
  border-right: 1px solid var(--color-border);
  text-align: center;
}

.stat-item:last-child { border-right: none; }

.stat-number {
  font-size: 40px;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 13px;
  color: var(--color-muted);
  font-weight: 500;
}

.features {
  padding: 80px 0;
  background: var(--color-dark);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 15px;
  color: var(--color-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.feature-card {
  background: var(--color-surface);
  padding: 36px 32px;
}

.feature-card:hover { background: var(--color-mid); }

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(230,48,18,0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.feature-icon svg { width: 24px; height: 24px; }

.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.65;
}

.categories {
  padding: 80px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.category-card {
  background: var(--color-mid);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.category-img {
  width: 100%;
  height: 160px;
  background: var(--color-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 13px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.category-img svg {
  width: 40px;
  height: 40px;
  opacity: 0.3;
}

.category-body { padding: 18px; }

.category-body h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 6px;
}

.category-body p {
  font-size: 13px;
  color: var(--color-muted);
}

.products {
  padding: 80px 0;
  background: var(--color-dark);
}

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

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.product-img {
  width: 100%;
  height: 200px;
  background: var(--color-mid);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--color-muted);
  font-size: 12px;
  border-bottom: 1px solid var(--color-border);
}

.product-img svg { width: 40px; height: 40px; opacity: 0.35; }

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}

.product-img-wrap { position: relative; }

.product-body { padding: 20px; }

.product-category {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.product-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
  line-height: 1.3;
}

.product-desc {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-price {
  font-size: 20px;
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.product-price span {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-muted);
  margin-left: 6px;
}

.btn-call {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 14px;
  font-weight: 700;
  padding: 12px 20px;
  border: none;
  border-radius: var(--radius-sm);
  width: 100%;
  text-align: center;
}

.btn-call:hover { background: #c2270f; color: var(--color-white); }

.btn-call svg { width: 16px; height: 16px; flex-shrink: 0; }

.why {
  padding: 80px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.why-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why-content h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.why-content p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 36px;
}

.why-list { display: flex; flex-direction: column; gap: 16px; }

.why-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.why-icon {
  width: 36px;
  height: 36px;
  background: rgba(230,48,18,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.why-icon svg { width: 18px; height: 18px; }

.why-item-text h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 3px;
}

.why-item-text p { font-size: 13px; color: var(--color-muted); line-height: 1.5; }

.why-image {
  width: 100%;
  height: 420px;
  background: var(--color-mid);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-muted);
}

.why-image svg { width: 48px; height: 48px; opacity: 0.3; }
.why-image p { font-size: 13px; }

.howitworks {
  padding: 80px 0;
  background: var(--color-dark);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  counter-reset: steps;
}

.step-card {
  background: var(--color-surface);
  padding: 40px 28px;
  position: relative;
}

.step-card:hover { background: var(--color-mid); }

.step-number {
  font-size: 48px;
  font-weight: 900;
  color: var(--color-primary);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 20px;
}

.step-icon {
  width: 44px;
  height: 44px;
  background: rgba(230,48,18,0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.step-icon svg { width: 22px; height: 22px; }

.step-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.step-card p { font-size: 13px; color: var(--color-muted); line-height: 1.6; }

.testimonials {
  padding: 80px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial-card {
  background: var(--color-mid);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
}

.star {
  width: 14px;
  height: 14px;
  fill: #F5A623;
}

.testimonial-text {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-dark);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
}

.author-name { font-size: 14px; font-weight: 700; color: var(--color-white); }
.author-location { font-size: 12px; color: var(--color-muted); }

.cta-banner {
  padding: 80px 0;
  background: var(--color-primary);
}

.cta-inner {
  text-align: center;
}

.cta-inner h2 {
  font-size: clamp(26px, 3.5vw, 42px);
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: 14px;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.cta-inner p {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-white:hover { background: var(--color-light); }

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  font-size: 15px;
  font-weight: 700;
  padding: 13px 32px;
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-outline-white:hover { border-color: var(--color-white); }

.contacts {
  padding: 80px 0;
  background: var(--color-dark);
}

.contacts-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contacts-info h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.contacts-info > p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 36px;
}

.contact-items { display: flex; flex-direction: column; gap: 20px; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(230,48,18,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg { width: 20px; height: 20px; }

.contact-text label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.contact-text a,
.contact-text p {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.4;
}

.contact-text a:hover { color: var(--color-primary); }

.contacts-map {
  width: 100%;
  height: 380px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-muted);
}

.contacts-map svg { width: 48px; height: 48px; opacity: 0.3; }
.contacts-map p { font-size: 13px; }

.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 56px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand { display: flex; flex-direction: column; gap: 16px; }

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

.footer-logo { width: 36px; height: 36px; }

.footer-brand-name {
  font-size: 18px;
  font-weight: 900;
  color: var(--color-white);
}

.footer-brand-name span { color: var(--color-primary); }

.footer-tagline {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col ul li a {
  font-size: 14px;
  color: var(--color-text);
  opacity: 0.7;
}

.footer-col ul li a:hover { color: var(--color-primary); opacity: 1; }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 13px;
  color: var(--color-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 13px;
  color: var(--color-muted);
}

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

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-dark);
  z-index: 200;
  flex-direction: column;
  padding: 24px;
}

.mobile-nav.open { display: flex; }

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.mobile-close {
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 28px;
  line-height: 1;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-links a {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav-links a:hover { color: var(--color-primary); }

@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-bottom: 1px solid var(--color-border); }
  .stat-item:nth-child(2) { border-right: none; }
}

@media (max-width: 768px) {
  .header-nav { display: none; }
  .hamburger { display: flex; }
  .hero-inner { flex-direction: column; gap: 40px; }
  .hero-image { width: 100%; }
  .hero-placeholder { max-width: 100%; height: 260px; }
  .why-inner { grid-template-columns: 1fr; gap: 40px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .contacts-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .features-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(odd) { border-right: 1px solid var(--color-border); }
  .stat-item:nth-child(even) { border-right: none; }
}