:root {
  color-scheme: light;
  --ink: #20201d;
  --muted: #68645e;
  --line: #ded8ce;
  --paper: #fffaf1;
  --surface: #ffffff;
  --accent: #8d1f24;
  --accent-dark: #641317;
  --gold: #c3923d;
  --green: #315846;
  --shadow: 0 18px 50px rgba(39, 31, 20, 0.14);
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 250, 241, 0.94);
  border-bottom: 1px solid rgba(103, 82, 52, 0.18);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  aspect-ratio: 1;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 22px;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-nav a:hover {
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  align-items: start;
  gap: clamp(28px, 5vw, 72px);
  padding: clamp(18px, 3vw, 36px) clamp(18px, 5vw, 72px) clamp(32px, 6vw, 64px);
}

.hero-copy {
  max-width: 650px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(2.35rem, 5.8vw, 4.8rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.keep-together {
  white-space: nowrap;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.9rem, 4vw, 3.25rem);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.12rem;
  line-height: 1.35;
  letter-spacing: 0;
}

.hero-copy p {
  color: #4f4a43;
  font-size: clamp(1rem, 1.4vw, 1.13rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--accent);
  font-weight: 700;
}

.button.primary {
  background: var(--accent);
  color: #fff;
}

.button.secondary {
  color: var(--accent);
}

.hero-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  align-self: stretch;
}

.hero-gallery img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  background: #122066;
  border: 1px solid rgba(74, 58, 36, 0.16);
  box-shadow: var(--shadow);
}

.hero-gallery img.image-contain,
.product-card img.image-contain {
  object-fit: contain;
}

.intro-band {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(22px, 5vw, 64px);
  padding: clamp(28px, 5vw, 58px) clamp(18px, 5vw, 72px);
  background: var(--green);
  color: #fff;
}

.intro-band p {
  margin-bottom: 0;
  font-size: clamp(1.2rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.45;
}

.intro-band dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 0;
}

.intro-band dt {
  color: #f0c779;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.intro-band dd {
  margin: 4px 0 0;
}

.section {
  padding: clamp(56px, 9vw, 112px) clamp(18px, 5vw, 72px);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 32px;
}

.section-heading p {
  color: var(--muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.product-card {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(40, 31, 20, 0.08);
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #10216b;
}

.product-card h3,
.product-card p {
  padding: 0 16px;
}

.product-card h3 {
  margin-top: 14px;
}

.product-card p:last-child {
  padding-bottom: 18px;
}

.tag {
  margin-bottom: 4px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(24px, 5vw, 74px);
  background: #f4ecde;
}

.text-panel {
  max-width: 780px;
}

.material-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.material-list li {
  padding: 12px 14px;
  background: #fff;
  border-left: 4px solid var(--gold);
}

.message-section {
  display: grid;
  grid-template-columns: minmax(260px, 420px) minmax(0, 1fr);
  align-items: center;
  gap: clamp(28px, 6vw, 84px);
}

.representative {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.representative img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
}

.representative figcaption {
  padding: 18px;
}

.representative span,
.representative strong {
  display: block;
}

.representative span {
  color: var(--muted);
  font-size: 0.88rem;
}

.representative strong {
  font-size: 1.45rem;
}

.message-copy {
  max-width: 760px;
}

.message-copy p:last-child {
  font-size: clamp(1.08rem, 1.8vw, 1.35rem);
}

.company-section {
  background: #fff;
}

.company-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(22px, 5vw, 64px);
}

.company-profile {
  margin: 0;
  border-top: 1px solid var(--line);
}

.company-profile div {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.company-profile dt {
  color: var(--muted);
  font-weight: 700;
}

.company-profile dd {
  margin: 0;
}

.history-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 3px solid var(--accent);
}

.history-list li {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 18px;
  padding: 0 0 24px 22px;
  position: relative;
}

.history-list li::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 5px;
  width: 15px;
  aspect-ratio: 1;
  background: var(--accent);
}

.history-list time {
  color: var(--accent);
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(18px, 5vw, 72px);
  background: var(--ink);
  color: #fff;
}

.contact-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(34px, 6vw, 68px) clamp(18px, 5vw, 72px);
  background: var(--accent);
  color: #fff;
}

.contact-band h2 {
  margin-bottom: 8px;
  font-size: clamp(1.75rem, 4vw, 3rem);
}

.contact-band p {
  margin-bottom: 0;
}

.contact-band .eyebrow {
  color: #ffd99b;
}

.phone-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  min-height: 58px;
  padding: 0 22px;
  background: #fff;
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 800;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero,
  .intro-band,
  .split-section,
  .message-section,
  .company-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 22px;
  }

  .intro-band dl,
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  body {
    overflow-x: hidden;
  }

  .brand {
    min-width: 0;
  }

  .site-nav {
    gap: 8px 14px;
    font-size: 0.86rem;
  }

  .hero-gallery,
  .intro-band dl,
  .product-grid,
  .material-list {
    grid-template-columns: 1fr;
  }

  .hero-gallery {
    display: none;
  }

  .section {
    padding: 44px 18px;
  }

  .section-heading {
    margin-bottom: 20px;
  }

  h2 {
    font-size: clamp(1.7rem, 9vw, 2.4rem);
  }

  .hero-gallery img,
  .product-card img {
    min-height: 0;
    height: auto;
    aspect-ratio: 4 / 3;
  }

  .product-card img {
    display: block;
    width: 100%;
    max-width: 100%;
    object-fit: contain;
  }

  .company-profile div,
  .history-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .site-footer {
    flex-direction: column;
  }

  .contact-band {
    align-items: flex-start;
    flex-direction: column;
  }

  .phone-link {
    width: 100%;
  }
}