:root {
  --bg: #f3efe7;
  --paper: #fbf9f4;
  --ink: #171815;
  --muted: #6f6f67;
  --line: #d7d0c4;
  --dark: #1e211d;
  --dark-2: #292d27;
  --light: #f7f3ea;
  --accent: #7a6247;
  --max: 1180px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  line-height: 1.85;
  letter-spacing: .03em;
}

a { color: inherit; }

.site-header {
  min-height: 84px;
  padding: 18px max(24px, calc((100vw - var(--max)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(243,239,231,.95);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.2;
}

.brand-en {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
  letter-spacing: .04em;
}

.brand-ja {
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .12em;
}

.header-cta {
  text-decoration: none;
  font-size: 11px;
  letter-spacing: .16em;
  padding-bottom: 3px;
  border-bottom: 1px solid currentColor;
}

.hero {
  max-width: var(--max);
  min-height: 720px;
  margin: 0 auto;
  padding: 96px 24px 92px;
  display: grid;
  grid-template-columns: minmax(0,1.15fr) minmax(300px,.85fr);
  align-items: center;
  gap: 72px;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
}

.hero h1,
.section-heading h2 {
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: .04em;
}

.hero h1 {
  font-size: clamp(42px, 6.4vw, 78px);
}

.lead {
  margin: 28px 0 14px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  font-size: clamp(19px, 2.2vw, 28px);
}

.hero-text {
  max-width: 640px;
  margin: 0;
  color: #4f514a;
  font-size: 15px;
}

.hero-actions {
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 50px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  border: 1px solid var(--ink);
  transition: transform .2s ease, background .2s ease, color .2s ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ink); color: #fff; }
.button-secondary { background: transparent; }
.button-light { border-color: var(--light); color: var(--dark); background: var(--light); }

.hero-image {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 470px;
  width: 100%;
  margin: 0;
  justify-self: end;
  overflow: hidden;
  border-radius: 24px;
  background: #ddd6ca;
  box-shadow: 0 26px 70px rgba(31,29,24,.16);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

.hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.10), rgba(0,0,0,0) 45%);
  pointer-events: none;
}

.section {
  padding: 104px max(24px, calc((100vw - var(--max)) / 2));
}

.section-heading {
  max-width: 760px;
  margin-bottom: 54px;
}

.section-heading h2 {
  font-size: clamp(32px, 4.5vw, 54px);
}

.section-dark {
  background: var(--dark);
  color: var(--light);
}

.section-dark .eyebrow { color: #adaea6; }

.feature-grid,
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  min-height: 300px;
  padding: 30px;
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,.08);
}

.feature-number {
  color: #aaa99f;
  font-family: Georgia, serif;
  font-size: 12px;
}

.feature-card h3,
.product-card h3 {
  margin: 56px 0 18px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 500;
  font-size: 24px;
}

.feature-card p {
  margin: 0;
  color: #c8c8c1;
  font-size: 14px;
}

.section-cta { margin-top: 36px; }

.story { background: var(--paper); }

.story-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.story-copy {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 2.05;
}

.story-copy p:first-child { margin-top: 0; }

.process-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

.process-list li {
  min-height: 92px;
  display: grid;
  grid-template-columns: 52px 1fr auto;
  align-items: center;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

.process-list li > span {
  color: var(--muted);
  font-family: Georgia, serif;
  font-size: 12px;
}

.process-list strong {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 21px;
  font-weight: 500;
}

.process-list small {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: .13em;
}

.products { background: var(--bg); }

.product-card {
  min-height: 270px;
  padding: 28px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.25);
}

.product-category {
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .16em;
}

.product-card h3 { margin-top: 64px; }

.product-card p:last-child {
  margin-bottom: 0;
  color: #55574f;
  font-size: 14px;
}

.manifesto {
  text-align: center;
  background: #d9d0c3;
}

.manifesto blockquote {
  max-width: 900px;
  margin: 28px auto 24px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(25px, 4vw, 44px);
  line-height: 1.75;
  letter-spacing: .05em;
}

.manifesto > p:last-child {
  margin-top: 36px;
  font-family: Georgia, serif;
}

.links { background: var(--paper); }

.link-list {
  border-top: 1px solid var(--line);
}

.link-list a {
  padding: 24px 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.link-list span {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(22px, 3vw, 34px);
}

.link-list small {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .08em;
}

.note {
  margin-top: 20px;
  color: var(--muted);
  font-size: 11px;
}

footer {
  padding: 42px max(24px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: end;
  gap: 34px;
  color: #dddcd6;
  background: #161815;
}

footer .brand-ja { color: #90928b; }
footer p { margin: 0; font-size: 10px; letter-spacing: .1em; }

@media (max-width: 820px) {
  .site-header { min-height: 72px; }
  .header-cta { display: none; }

  .hero {
    min-height: auto;
    padding-top: 66px;
    grid-template-columns: 1fr;
    gap: 54px;
  }

  .hero-image {
    max-width: 360px;
    justify-self: center;
  }

  .section { padding-top: 78px; padding-bottom: 78px; }

  .feature-grid,
  .product-grid,
  .story-layout {
    grid-template-columns: 1fr;
  }

  .story-layout { gap: 46px; }

  .feature-card,
  .product-card { min-height: 230px; }

  .feature-card h3,
  .product-card h3 { margin-top: 40px; }

  footer {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

@media (max-width: 520px) {
  .brand-en { font-size: 18px; }

  .hero { padding-top: 48px; padding-bottom: 64px; }
  .hero h1 { font-size: 42px; }
  .lead { font-size: 20px; }
  .hero-text { font-size: 14px; }

  .hero-actions { flex-direction: column; }
  .button { width: 100%; }

  .section-heading { margin-bottom: 40px; }
  .section-heading h2 { font-size: 34px; }

  .process-list li {
    grid-template-columns: 42px 1fr;
  }
  .process-list small { display: none; }

  .manifesto blockquote { font-size: 27px; }
}
