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

:root {
  --navy:   #1A2340;
  --amber:  #C8922A;
  --cream:  #F5F2EE;
  --stone:  #8C8880;
  --white:  #FFFFFF;
  --border: #DDD9D3;
  --radius: 4px;
  --max-w:  1160px;
  --font-ja: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--cream);
}

body {
  font-family: var(--font-ja);
  color: var(--navy);
  background-color: var(--cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

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

.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 15px;
  color: var(--stone);
  max-width: 580px;
  line-height: 1.8;
}

.btn {
  display: inline-block;
  padding: 13px 28px;
  font-family: var(--font-ja);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.btn-primary:hover {
  background-color: #243060;
  border-color: #243060;
}

.btn-amber {
  background-color: var(--amber);
  color: var(--white);
  border-color: var(--amber);
}

.btn-amber:hover {
  background-color: #b07d22;
  border-color: #b07d22;
}

.btn-outline {
  background-color: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

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

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-brand svg {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--navy);
  line-height: 1;
}

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

.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--navy);
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

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

.header-contact {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.header-phone {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

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

.hero {
  background-color: var(--navy);
  color: var(--white);
  padding: 96px 0 80px;
  overflow: hidden;
}

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

.hero-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero-title em {
  font-style: normal;
  color: var(--amber);
}

.hero-desc {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255,255,255,0.72);
  margin-bottom: 36px;
  max-width: 460px;
}

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

.hero-visual {
  position: relative;
}

.hero-img-wrap {
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 4/3;
  background-color: rgba(255,255,255,0.06);
}

.hero-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}

.hero-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background-color: var(--amber);
  color: var(--white);
  padding: 16px 20px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}

.stats-bar {
  background-color: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 36px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  text-align: center;
  padding: 0 24px;
  border-right: 1px solid var(--border);
}

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

.stat-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-num span {
  color: var(--amber);
}

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

.about-intro {
  padding: 96px 0;
  text-align: center;
}

.about-intro-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1160px;
  margin: 0 auto;
}

.about-img-wrap {
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 4/5;
  background-color: var(--border);
}

.about-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-content .section-desc {
  margin-bottom: 32px;
}

.about-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 36px;
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--navy);
}

.about-list li::before {
  content: '';
  display: block;
  width: 20px;
  height: 20px;
  min-width: 20px;
  background-color: var(--amber);
  border-radius: 50%;
  margin-top: 2px;
}

.categories {
  background-color: var(--navy);
  padding: 80px 0;
  text-align: center;
}

.categories .section-title {
  color: var(--white);
  text-align: center;
  margin-bottom: 48px;
}

.categories .section-label {
  text-align: center;
  display: block;
}

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

.cat-card {
  background-color: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 32px 28px;
  text-align: center;
}

.cat-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cat-icon svg {
  width: 48px;
  height: 48px;
}

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

.cat-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
}

.products {
  padding: 96px 0;
  background-color: var(--cream);
  text-align: center;
}

.products-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 16px;
  max-width: 1160px;
  margin-left: auto;
  margin-right: auto;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1160px;
  margin: 0 auto;
}

.product-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.product-img {
  aspect-ratio: 4/3;
  background-color: #E8E4DF;
  overflow: hidden;
}

.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-body {
  padding: 24px;
}

.product-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 8px;
}

.product-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.35;
}

.product-desc {
  font-size: 13px;
  color: var(--stone);
  margin-bottom: 20px;
  line-height: 1.75;
}

.product-price {
  font-size: 22px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 20px;
}

.product-price span {
  font-size: 13px;
  font-weight: 500;
  color: var(--stone);
}

.why-us {
  background-color: var(--white);
  padding: 96px 0;
  text-align: center;
}

.why-us-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  max-width: 1160px;
  margin: 0 auto;
}

.why-features {
  display: flex;
  flex-direction: column;
  gap: 36px;
  margin-top: 40px;
}

.why-feature {
  display: flex;
  gap: 20px;
}

.why-feature-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background-color: rgba(200,146,42,0.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-feature-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--amber);
}

.why-feature-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.why-feature-desc {
  font-size: 13px;
  color: var(--stone);
  line-height: 1.75;
}

.why-img-wrap {
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 3/4;
  background-color: var(--border);
  position: sticky;
  top: 100px;
}

.why-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonials {
  background-color: var(--cream);
  padding: 96px 0;
  text-align: center;
}

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

.testimonials-header .section-desc {
  margin: 0 auto;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1160px;
  margin: 0 auto;
}

.testi-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px 28px;
}

.testi-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.testi-stars span {
  width: 16px;
  height: 16px;
  background-color: var(--amber);
  clip-path: polygon(50% 0%,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);
}

.testi-text {
  font-size: 14px;
  color: var(--navy);
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}

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

.testi-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--border);
  overflow: hidden;
  flex-shrink: 0;
}

.testi-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testi-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
}

.testi-loc {
  font-size: 12px;
  color: var(--stone);
}

.how-it-works {
  background-color: var(--navy);
  padding: 96px 0;
  text-align: center;
}

.how-it-works .section-title {
  color: var(--white);
}

.how-header {
  display: flex;
  gap: 80px;
  margin-bottom: 64px;
  align-items: flex-end;
  flex-wrap: wrap;
  max-width: 1160px;
  margin-left: auto;
  margin-right: auto;
}

.how-header .section-desc {
  color: rgba(255,255,255,0.55);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  max-width: 1160px;
  margin: 0 auto;
}

.step-item {
  padding: 32px 28px 32px 0;
  border-right: 1px solid rgba(255,255,255,0.12);
  padding-right: 32px;
  padding-left: 0;
}

.step-item:last-child {
  border-right: none;
  padding-right: 0;
  padding-left: 32px;
}

.step-item:not(:first-child):not(:last-child) {
  padding-left: 32px;
}

.step-num {
  font-size: 48px;
  font-weight: 800;
  color: rgba(255,255,255,0.1);
  line-height: 1;
  margin-bottom: 16px;
}

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

.step-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
}

.cta-banner {
  background-color: var(--amber);
  padding: 80px 0;
  text-align: center;
}

.cta-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  max-width: 1160px;
  margin: 0 auto;
}

.cta-banner-text .section-title {
  color: var(--white);
  margin-bottom: 12px;
}

.cta-banner-text p {
  font-size: 15px;
  color: rgba(255,255,255,0.8);
}

.cta-banner-actions {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.btn-white {
  background-color: var(--white);
  color: var(--amber);
  border-color: var(--white);
}

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

.btn-outline-white {
  background-color: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}

.btn-outline-white:hover {
  background-color: rgba(255,255,255,0.12);
}

.contacts {
  background-color: var(--white);
  padding: 96px 0;
}

.contacts-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: start;
}

.contacts-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 40px;
}

.contact-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background-color: rgba(26,35,64,0.06);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
  fill: var(--navy);
}

.contact-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.5;
}

.contact-value a {
  color: var(--navy);
  border-bottom: 1px solid var(--border);
}

.contact-value a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.map-placeholder {
  aspect-ratio: 4/3;
  background-color: var(--border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-placeholder svg {
  width: 64px;
  height: 64px;
  fill: var(--stone);
  opacity: 0.4;
}

.site-footer {
  background-color: var(--navy);
  color: rgba(255,255,255,0.6);
  padding: 56px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-brand svg {
  width: 36px;
  height: 36px;
}

.footer-brand-name {
  font-size: 16px;
  font-weight: 800;
  color: var(--white);
}

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

.footer-desc {
  font-size: 13px;
  line-height: 1.8;
  max-width: 280px;
  margin-bottom: 24px;
}

.footer-col-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}

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

.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  line-height: 1.5;
}

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

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-list li {
  font-size: 13px;
  line-height: 1.55;
}

.footer-contact-list a {
  color: rgba(255,255,255,0.55);
}

.footer-contact-list a:hover {
  color: var(--amber);
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
}

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

.footer-legal a {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
}

.footer-legal a:hover {
  color: rgba(255,255,255,0.7);
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background-color: var(--navy);
  z-index: 200;
  flex-direction: column;
  padding: 32px 24px;
}

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

.mobile-nav-close {
  align-self: flex-end;
  background: none;
  border: none;
  cursor: pointer;
  margin-bottom: 40px;
}

.mobile-nav-close svg {
  width: 28px;
  height: 28px;
  stroke: var(--white);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mobile-nav-links a {
  font-size: 24px;
  font-weight: 700;
  color: var(--white);
}

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

.mobile-nav-contact {
  margin-top: auto;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.mobile-nav-contact p {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 8px;
}

.mobile-nav-contact a {
  font-size: 18px;
  font-weight: 700;
  color: var(--amber);
}

@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .header-nav,
  .header-contact {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    display: none;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
  }

  .stat-item:nth-child(2) {
    border-right: none;
  }

  .stat-item:nth-child(3) {
    border-top: 1px solid var(--border);
  }

  .stat-item:nth-child(4) {
    border-top: 1px solid var(--border);
    border-right: none;
  }

  .about-intro-inner,
  .why-us-inner,
  .contacts-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-img-wrap,
  .why-img-wrap {
    aspect-ratio: 16/9;
    position: static;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .products-header {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .steps-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .step-item {
    padding: 24px 16px;
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.12);
  }

  .step-item:last-child {
    border-bottom: none;
    padding-left: 16px;
  }

  .step-item:not(:first-child):not(:last-child) {
    padding-left: 16px;
  }

  .how-header {
    flex-direction: column;
    gap: 20px;
  }

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

  .cta-banner-actions {
    width: 100%;
    justify-content: center;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

@media (max-width: 480px) {
  .categories-grid {
    grid-template-columns: 1fr;
  }

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

  .hero {
    padding: 64px 0 56px;
  }
}