:root {
  --paper: #f5f2ed;
  --paper-deep: #ebe6de;
  --paper-soft: #fbf8f3;
  --ink: #242321;
  --muted: #696760;
  --line: #d9d2c8;
  --red: #a83c32;
  --indigo: #233c5f;
  --mustard: #d4a34f;
  --max: 1440px;
  --gutter: clamp(20px, 5vw, 64px);
  font-family: "Plus Jakarta Sans", "Noto Sans JP", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(212, 163, 79, 0.12), transparent 28rem),
    linear-gradient(180deg, var(--paper-soft), var(--paper));
  color: var(--ink);
}

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;
  min-height: 72px;
  padding: 14px var(--gutter);
  border-bottom: 1px solid rgba(36, 35, 33, 0.12);
  background: rgba(245, 242, 237, 0.88);
  backdrop-filter: blur(18px);
}

.brand img {
  width: 104px;
  height: auto;
}

.site-nav {
  display: flex;
  gap: clamp(18px, 3vw, 42px);
  align-items: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0;
}

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

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: transparent;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 6px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.86fr);
  min-height: calc(100vh - 72px);
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(48px, 7vw, 96px) var(--gutter) clamp(64px, 8vw, 120px);
  gap: clamp(28px, 5vw, 76px);
  align-items: center;
}

.hero__image {
  position: relative;
  min-height: 540px;
  border: 1px solid var(--line);
  background: #fffdf8;
  overflow: hidden;
}

.hero__image::before {
  content: "";
  position: absolute;
  inset: 24px;
  border: 1px solid rgba(168, 60, 50, 0.22);
}

.hero__image img {
  width: 100%;
  height: 100%;
  min-height: 540px;
  object-fit: contain;
  padding: clamp(24px, 5vw, 72px);
  filter: saturate(0.96) contrast(1.02);
}

.hero__copy {
  align-self: end;
  padding-bottom: clamp(16px, 4vw, 72px);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--red);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: "Noto Serif JP", serif;
  letter-spacing: 0;
  font-weight: 600;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(42px, 7vw, 88px);
  line-height: 1.08;
}

h2 {
  margin: 0;
  font-size: clamp(31px, 4.5vw, 58px);
  line-height: 1.2;
}

h3 {
  margin: 0 0 8px;
  font-size: 22px;
}

p {
  line-height: 1.8;
}

.hero__copy > p:not(.eyebrow),
.intro__text,
.heritage__copy > p,
.story__copy > p,
.contact > p {
  color: var(--muted);
  font-size: clamp(15px, 1.5vw, 18px);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.button--dark {
  background: var(--ink);
  color: #fff;
}

.button--line {
  color: var(--ink);
}

.button:hover {
  border-color: var(--red);
  background: var(--red);
  color: #fff;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.section-grid,
.collection,
.heritage,
.story,
.contact,
.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.intro {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(32px, 7vw, 110px);
  padding-top: clamp(80px, 10vw, 150px);
  padding-bottom: clamp(80px, 10vw, 150px);
  border-top: 1px solid var(--line);
}

.intro__text {
  display: grid;
  gap: 20px;
}

.intro__text p {
  margin: 0;
}

.collection {
  padding-top: clamp(70px, 9vw, 130px);
  padding-bottom: clamp(80px, 10vw, 150px);
  background: var(--paper-deep);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 38px;
  gap: 24px;
}

.text-link {
  padding-bottom: 4px;
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 36px);
}

.collection-page {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(54px, 8vw, 112px) var(--gutter) clamp(90px, 10vw, 150px);
}

.collection-page__head {
  max-width: 820px;
  margin-bottom: clamp(36px, 6vw, 74px);
}

.collection-page__head h1 {
  font-size: clamp(42px, 7vw, 82px);
}

.collection-page__head p {
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(15px, 1.5vw, 18px);
}

.all-products {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(22px, 3vw, 38px) clamp(16px, 2.5vw, 30px);
}

.product-card {
  text-align: center;
}

.product-card__image {
  display: block;
  aspect-ratio: 4 / 5;
  margin-bottom: 22px;
  border: 1px solid rgba(36, 35, 33, 0.1);
  background: #fffdf8;
  overflow: hidden;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: clamp(16px, 3vw, 34px);
  transition: transform 700ms ease;
}

.product-card:hover img {
  transform: scale(1.035);
}

.product-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.heritage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  gap: clamp(36px, 6vw, 92px);
  align-items: center;
  padding-top: clamp(90px, 11vw, 170px);
  padding-bottom: clamp(90px, 11vw, 170px);
}

.heritage__visual {
  min-height: 620px;
  background: #fffdf8;
  border: 1px solid var(--line);
}

.heritage__visual img {
  width: 100%;
  height: 100%;
  min-height: 620px;
  object-fit: contain;
  padding: clamp(24px, 5vw, 68px);
}

.source-list {
  display: grid;
  gap: 0;
  margin: 38px 0 0;
  border-top: 1px solid var(--line);
}

.source-list div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.source-list dt {
  font-family: "Noto Serif JP", serif;
  font-weight: 700;
}

.source-list dd {
  margin: 0;
  color: var(--muted);
}

.story {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(34px, 6vw, 84px);
  align-items: end;
  padding-top: clamp(70px, 9vw, 140px);
  padding-bottom: clamp(90px, 10vw, 150px);
  border-top: 1px solid var(--line);
}

.story__gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.story__gallery img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: contain;
  padding: 16px;
  background: #fffdf8;
  border: 1px solid rgba(36, 35, 33, 0.1);
}

.contact {
  padding-top: clamp(72px, 9vw, 130px);
  padding-bottom: clamp(72px, 9vw, 130px);
  text-align: center;
  background: var(--indigo);
  color: #fff;
}

.contact .eyebrow,
.contact p {
  color: rgba(255, 255, 255, 0.78);
}

.contact p {
  max-width: 720px;
  margin: 22px auto 32px;
}

.contact .button {
  border-color: #fff;
  background: #fff;
  color: var(--indigo);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding-top: 46px;
  padding-bottom: 46px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer strong {
  display: block;
  color: var(--ink);
  font-family: "Noto Serif JP", serif;
  font-size: 28px;
  margin-bottom: 10px;
}

.site-footer p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
}

.footer-links a {
  border-bottom: 1px solid var(--line);
}

.product-detail {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(40px, 7vw, 92px) var(--gutter) clamp(80px, 10vw, 150px);
}

.product-detail__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.72fr);
  gap: clamp(30px, 6vw, 84px);
  align-items: start;
}

.product-detail__media {
  display: grid;
  gap: 18px;
}

.product-detail__media img {
  width: 100%;
  min-height: 520px;
  object-fit: contain;
  padding: clamp(18px, 4vw, 54px);
  border: 1px solid var(--line);
  background: #fffdf8;
}

.product-detail__copy {
  position: sticky;
  top: 104px;
  padding-top: 18px;
}

.product-detail__copy h1 {
  font-size: clamp(38px, 5.6vw, 72px);
}

.product-detail__copy > p:not(.eyebrow) {
  color: var(--muted);
  font-size: clamp(15px, 1.5vw, 18px);
}

.detail-list {
  display: grid;
  margin: 34px 0 0;
  border-top: 1px solid var(--line);
}

.detail-list div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.detail-list dt {
  color: var(--red);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.detail-list dd {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    display: grid;
    gap: 0;
    border-bottom: 1px solid var(--line);
    background: var(--paper-soft);
    transform: translateY(-120%);
    transition: transform 260ms ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
  }

  .site-nav a {
    padding: 18px var(--gutter);
    border-top: 1px solid var(--line);
  }

  .hero,
  .intro,
  .heritage,
  .story {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero__copy {
    order: -1;
    padding-bottom: 0;
  }

  .hero__image,
  .hero__image img,
  .heritage__visual,
  .heritage__visual img {
    min-height: 420px;
  }

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

  .all-products {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .site-footer {
    display: grid;
  }

  .site-nav--static {
    position: static;
    display: flex;
    transform: none;
    border: 0;
    background: transparent;
  }

  .site-nav--static a {
    padding: 0;
    border: 0;
  }

  .product-detail__grid {
    grid-template-columns: 1fr;
  }

  .product-detail__copy {
    position: static;
    order: -1;
  }

  .product-detail__media img {
    min-height: 380px;
  }
}

@media (max-width: 560px) {
  .source-list div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

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

  .hero__actions {
    display: grid;
  }
}