@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;600;700&family=Noto+Sans+JP:wght@300;400;500&display=swap');

:root {
  --color-stone:        #3D3530;
  --color-stone-mid:    #5A5048;
  --color-stone-light:  #8A8078;
  --color-sand:         #C8B89A;
  --color-sand-light:   #E8DFD0;
  --color-sand-pale:    #F4EFE6;
  --color-moss:         #6B7F5E;
  --color-moss-dark:    #4E5E44;
  --color-cream:        #FDFAF6;
  --color-dark:         #2A2520;

  --font-heading: 'Noto Serif JP', serif;
  --font-body:    'Noto Sans JP', sans-serif;

  --max-width: 1160px;
  --radius:    4px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; background-color: var(--color-sand-pale); }
body {
  font-family: var(--font-body);
  color: var(--color-dark);
  line-height: 1.7;
  background-color: var(--color-sand-pale);
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-moss);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 600;
  color: var(--color-stone);
  line-height: 1.35;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 1rem;
  color: var(--color-stone-mid);
  max-width: 560px;
  line-height: 1.7;
}
.divider {
  width: 40px;
  height: 2px;
  background-color: var(--color-sand);
  margin: 20px 0;
}

.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  background-color: var(--color-stone);
  color: var(--color-cream);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 2px solid var(--color-stone);
  border-radius: var(--radius);
}
.btn-primary:hover {
  background-color: var(--color-stone-mid);
  border-color: var(--color-stone-mid);
}
.btn-outline {
  display: inline-block;
  padding: 12px 30px;
  background-color: transparent;
  color: var(--color-stone);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1.5px solid var(--color-stone);
  border-radius: var(--radius);
}
.btn-outline:hover {
  background-color: var(--color-stone);
  color: var(--color-cream);
}

.site-header {
  background-color: var(--color-cream);
  border-bottom: 1px solid var(--color-sand-light);
  padding: 20px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 14px;
}
.header-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.header-logo {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}
.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-stone);
  letter-spacing: 0.04em;
}
.brand-tagline {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--color-stone-light);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-hero {
  background-color: var(--color-stone);
  padding: 110px 0;
  position: relative;
  overflow: hidden;
}
.hero-bg-ring {
  position: absolute;
  top: 50%;
  right: -80px;
  transform: translateY(-50%);
  width: 520px;
  height: 520px;
  border-radius: 50%;
  border: 1px solid rgba(200,184,154,0.15);
}
.hero-bg-ring:nth-child(2) {
  right: -40px;
  width: 400px;
  height: 400px;
  border-color: rgba(200,184,154,0.1);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}
.hero-kana {
  display: block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-sand);
  margin-bottom: 24px;
}
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 700;
  color: var(--color-cream);
  line-height: 1.25;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 1rem;
  color: var(--color-sand-light);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 520px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-hero {
  display: inline-block;
  padding: 16px 42px;
  background-color: var(--color-moss);
  color: var(--color-cream);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 2px solid var(--color-moss);
  border-radius: var(--radius);
}
.btn-hero:hover {
  background-color: var(--color-moss-dark);
  border-color: var(--color-moss-dark);
}
.btn-hero-outline {
  display: inline-block;
  padding: 14px 36px;
  background-color: transparent;
  color: var(--color-sand);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1.5px solid var(--color-sand);
  border-radius: var(--radius);
}
.btn-hero-outline:hover {
  background-color: var(--color-sand);
  color: var(--color-stone);
}

.section-about {
  padding: 96px 0;
  background-color: var(--color-cream);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-photo {
  width: 100%;
  aspect-ratio: 4/3;
  background-color: var(--color-sand-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}
.photo-placeholder-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-stone-light);
}
.about-text p {
  color: var(--color-stone-mid);
  line-height: 1.85;
  margin-bottom: 16px;
}
.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--color-sand-light);
}
.stat-item strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-stone);
}
.stat-item span {
  font-size: 0.78rem;
  color: var(--color-stone-light);
  letter-spacing: 0.1em;
}

.section-services {
  padding: 96px 0;
  background-color: var(--color-sand-pale);
}
.section-head {
  text-align: center;
  margin-bottom: 64px;
}
.section-head .section-sub {
  margin: 0 auto;
  text-align: center;
}
.section-head .divider {
  margin: 16px auto 20px;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  border: 1px solid var(--color-sand-light);
}
.service-card {
  background-color: var(--color-cream);
  padding: 40px 32px;
  border-right: 1px solid var(--color-sand-light);
}
.service-card:last-child { border-right: none; }
.service-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  color: var(--color-moss);
}
.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-stone);
  margin-bottom: 12px;
}
.service-card p {
  font-size: 0.88rem;
  color: var(--color-stone-mid);
  line-height: 1.75;
}

.section-products {
  padding: 96px 0;
  background-color: var(--color-cream);
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.product-card {
  border: 1px solid var(--color-sand-light);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-sand-pale);
}
.product-photo {
  width: 100%;
  aspect-ratio: 1;
  background-color: var(--color-sand-light);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-body {
  padding: 20px;
}
.product-body h3 {
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-stone);
  margin-bottom: 6px;
  line-height: 1.4;
}
.product-body p {
  font-size: 0.82rem;
  color: var(--color-stone-mid);
  line-height: 1.65;
  margin-bottom: 14px;
}
.product-price {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-stone);
  margin-bottom: 16px;
  display: block;
}
.btn-product {
  display: block;
  width: 100%;
  padding: 11px 16px;
  background-color: var(--color-stone);
  color: var(--color-cream);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-align: center;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius);
}
.btn-product:hover {
  background-color: var(--color-stone-mid);
}

.section-philosophy {
  padding: 96px 0;
  background-color: var(--color-stone);
}
.section-philosophy .section-title { color: var(--color-cream); }
.section-philosophy .section-label { color: var(--color-sand); }
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background-color: rgba(200,184,154,0.2);
  border: 1px solid rgba(200,184,154,0.2);
  margin-top: 64px;
}
.philosophy-card {
  background-color: var(--color-stone);
  padding: 56px 40px;
}
.philosophy-kanji {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 300;
  color: rgba(200,184,154,0.35);
  line-height: 1;
  margin-bottom: 20px;
}
.philosophy-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: 16px;
}
.philosophy-card p {
  font-size: 0.9rem;
  color: var(--color-sand-light);
  line-height: 1.8;
}

.section-gallery {
  padding: 96px 0;
  background-color: var(--color-sand-pale);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 240px);
  gap: 8px;
}
.gallery-item {
  background-color: var(--color-sand-light);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius);
}
.gallery-item:first-child {
  grid-column: 1 / 3;
  grid-row: 1;
}
.gallery-item .photo-placeholder-label {
  opacity: 0.7;
}

.section-testimonials {
  padding: 96px 0;
  background-color: var(--color-cream);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
}
.testimonial-card {
  background-color: var(--color-sand-pale);
  border: 1px solid var(--color-sand-light);
  border-radius: var(--radius);
  padding: 36px 32px;
}
.testimonial-quote {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--color-sand);
  line-height: 1;
  margin-bottom: 16px;
}
.testimonial-card p {
  font-size: 0.9rem;
  color: var(--color-stone-mid);
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}
.testimonial-author {
  border-top: 1px solid var(--color-sand-light);
  padding-top: 16px;
}
.testimonial-author strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-stone);
  margin-bottom: 2px;
}
.testimonial-author span {
  font-size: 0.75rem;
  color: var(--color-stone-light);
  letter-spacing: 0.08em;
}

.section-faq {
  padding: 96px 0;
  background-color: var(--color-sand-pale);
}
.faq-list {
  margin-top: 56px;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}
.faq-item {
  border-bottom: 1px solid var(--color-sand-light);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-stone);
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-moss);
}
.faq-item[open] .faq-icon-plus { display: none; }
.faq-item:not([open]) .faq-icon-minus { display: none; }
.faq-answer {
  padding: 0 0 24px;
  font-size: 0.92rem;
  color: var(--color-stone-mid);
  line-height: 1.85;
  max-width: 680px;
}

.section-contacts {
  padding: 96px 0;
  background-color: var(--color-stone);
}
.contacts-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contacts-info .section-title { color: var(--color-cream); }
.contacts-info .section-label { color: var(--color-sand); }
.contacts-info .section-sub { color: var(--color-sand-light); }
.contacts-list {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.contact-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.contact-icon-wrap {
  width: 44px;
  height: 44px;
  background-color: rgba(200,184,154,0.12);
  border: 1px solid rgba(200,184,154,0.25);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-sand);
}
.contact-icon-wrap svg {
  width: 20px;
  height: 20px;
}
.contact-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-sand);
  margin-bottom: 4px;
}
.contact-value {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-cream);
  line-height: 1.5;
}
.contact-value a {
  color: var(--color-cream);
}
.contact-value a:hover {
  color: var(--color-sand);
}
.contacts-map {
  background-color: rgba(200,184,154,0.08);
  border: 1px solid rgba(200,184,154,0.2);
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.contacts-map svg {
  width: 40px;
  height: 40px;
  color: var(--color-sand);
  opacity: 0.5;
}
.contacts-map span {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-sand-light);
  opacity: 0.6;
}

.site-footer {
  background-color: var(--color-dark);
  padding: 48px 0 32px;
}
.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-logo { width: 40px; height: 40px; opacity: 0.85; }
.footer-brand-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-sand);
}
.footer-nav {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.footer-nav-group h4 {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-stone-light);
  margin-bottom: 14px;
}
.footer-nav-group ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav-group ul li a {
  font-size: 0.85rem;
  color: var(--color-sand-light);
  opacity: 0.7;
}
.footer-nav-group ul li a:hover {
  opacity: 1;
  color: var(--color-sand);
}
.footer-bottom {
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy {
  font-size: 0.78rem;
  color: var(--color-stone-light);
  opacity: 0.6;
}
.footer-legal {
  display: flex;
  gap: 24px;
}
.footer-legal a {
  font-size: 0.75rem;
  color: var(--color-stone-light);
  opacity: 0.5;
}
.footer-legal a:hover { opacity: 0.9; }

.section-centered {
  text-align: center;
}
.section-centered .section-head {
  margin-left: auto;
  margin-right: auto;
}
.section-centered .divider {
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { gap: 48px; }
}
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .service-card { border-right: none; border-bottom: 1px solid var(--color-sand-light); }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .philosophy-grid { grid-template-columns: 1fr; }
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .gallery-item:first-child { grid-column: 1 / 3; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .contacts-layout { grid-template-columns: 1fr; gap: 48px; }
  .footer-top { flex-direction: column; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .about-stats { flex-wrap: wrap; gap: 24px; }
}
@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item:first-child { grid-column: 1; }
  .hero-actions { flex-direction: column; }
  .footer-nav { gap: 32px; }
  .footer-legal { flex-direction: column; gap: 8px; text-align: center; }
}