/* ============================================================
   ワコニカ〜Wakonica〜
   和魂販売伝承事業 / 株式会社さとり建設
   Design System v1
   ============================================================ */

:root {
  /* — Color Palette: 紫紺×金 高貴 — */
  --c-shikon: #1A1130;          /* 紫紺：最深 */
  --c-edo-murasaki: #3A2C5F;    /* 江戸紫 */
  --c-kodai: #5C4C8A;           /* 古代紫 */
  --c-budo: #7A6BA8;            /* 葡萄 */
  --c-fujimurasaki: #9B8DBF;    /* 藤紫 */
  --c-kincha: #B8860B;          /* 金茶 */
  --c-kin: #D4AF37;             /* 金 */
  --c-kinpaku: #E8C963;         /* 金箔 */
  --c-kinari: #F8F4EC;          /* 生成り */
  --c-shiro: #FFFFFF;
  --c-sumi: #14101F;            /* 墨（紫味） */
  --c-usuzumi: #6B6379;         /* 薄墨 */
  --c-shu: #A52A2A;             /* 朱（強調点） */
  --c-line: rgba(212, 175, 55, 0.25);

  /* — Typography — */
  --f-min: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --f-sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --f-en-serif: "Cormorant Garamond", "Cinzel", "Georgia", serif;
  --f-en-sans: "Cormorant SC", "Georgia", serif;

  /* — Layout — */
  --max-w: 1280px;
  --pad-x: clamp(20px, 4vw, 56px);
  --shadow-soft: 0 24px 60px -20px rgba(26, 17, 48, 0.45);
  --shadow-deep: 0 40px 80px -28px rgba(26, 17, 48, 0.65);
  --r-soft: 4px;
  --r-medium: 10px;
}

/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-sumi);
  background: var(--c-kinari);
  font-feature-settings: "palt";
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 220ms ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ============================================================
   Typography
   ============================================================ */
.f-min { font-family: var(--f-min); }
.f-sans { font-family: var(--f-sans); }
.f-en { font-family: var(--f-en-serif); letter-spacing: 0.06em; }

.eyebrow {
  display: inline-block;
  font-family: var(--f-en-serif);
  font-size: 12px;
  letter-spacing: 0.45em;
  color: var(--c-kin);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px; height: 1px;
  background: var(--c-kin);
  vertical-align: middle;
  margin-right: 14px;
  margin-bottom: 4px;
}

h1, h2, h3, h4 { font-family: var(--f-min); font-weight: 500; line-height: 1.4; letter-spacing: 0.04em; }
h1 { font-size: clamp(32px, 5vw, 56px); }
h2 { font-size: clamp(26px, 3.6vw, 42px); }
h3 { font-size: clamp(20px, 2.4vw, 28px); }
h4 { font-size: clamp(17px, 1.6vw, 20px); }

.lead {
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 2.0;
  color: var(--c-sumi);
}

/* ============================================================
   Layout helpers
   ============================================================ */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--pad-x); }
.container-wide { max-width: 1480px; margin: 0 auto; padding: 0 var(--pad-x); }
.section { padding: clamp(70px, 10vw, 130px) 0; }
.section-tight { padding: clamp(50px, 7vw, 90px) 0; }

.divider-gold {
  width: 80px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-kin), transparent);
  margin: 32px auto;
}
.divider-vertical {
  width: 1px; height: 60px;
  background: linear-gradient(180deg, transparent, var(--c-kin), transparent);
  margin: 24px auto;
}

/* ============================================================
   Header / Navigation
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 18px 0;
  background: rgba(26, 17, 48, 0.0);
  backdrop-filter: blur(0);
  transition: background 280ms ease, backdrop-filter 280ms ease, padding 280ms ease;
}
.site-header.scrolled {
  background: rgba(26, 17, 48, 0.92);
  backdrop-filter: blur(18px);
  padding: 12px 0;
  box-shadow: 0 1px 0 var(--c-line);
}
.site-header .nav-row {
  display: flex; align-items: center; justify-content: space-between;
}
.brand {
  display: flex; flex-direction: column; line-height: 1.1;
  color: var(--c-shiro);
}
.brand .brand-en {
  font-family: var(--f-en-serif);
  font-size: 22px;
  letter-spacing: 0.32em;
  color: var(--c-kinpaku);
  font-weight: 500;
}
.brand .brand-jp {
  font-family: var(--f-min);
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--c-fujimurasaki);
  margin-top: 4px;
}
.nav { display: flex; gap: 36px; align-items: center; }
.nav a {
  color: var(--c-kinari);
  font-size: 13px;
  letter-spacing: 0.18em;
  font-family: var(--f-min);
  position: relative;
  padding: 6px 0;
}
.nav a:hover { color: var(--c-kinpaku); }
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--c-kin);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 320ms cubic-bezier(0.7, 0, 0.3, 1);
}
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta {
  padding: 10px 22px;
  border: 1px solid var(--c-kin);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--c-kinpaku);
  background: transparent;
  transition: all 280ms ease;
  font-family: var(--f-min);
}
.nav-cta:hover {
  background: var(--c-kin);
  color: var(--c-shikon);
}
.nav-toggle { display: none; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
  color: var(--c-kinari);
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--c-shikon) 0%, var(--c-edo-murasaki) 60%, var(--c-kodai) 100%);
  z-index: -3;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.55;
  z-index: -2;
  filter: saturate(1.1) contrast(1.05);
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(212, 175, 55, 0.15), transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(122, 107, 168, 0.4), transparent 60%),
    linear-gradient(180deg, rgba(20, 16, 31, 0.4) 0%, transparent 30%, rgba(20, 16, 31, 0.85) 100%);
  z-index: -1;
}
.hero .container { width: 100%; }

.hero-mark {
  font-family: var(--f-en-serif);
  font-size: 13px;
  letter-spacing: 0.6em;
  color: var(--c-kinpaku);
  margin-bottom: 28px;
  opacity: 0;
  animation: rise 1.4s 0.3s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.hero-title {
  font-family: var(--f-min);
  font-size: clamp(38px, 6vw, 78px);
  font-weight: 400;
  line-height: 1.32;
  letter-spacing: 0.06em;
  color: var(--c-shiro);
  margin-bottom: 36px;
  opacity: 0;
  animation: rise 1.6s 0.55s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.hero-title .gold { color: var(--c-kinpaku); font-style: italic; font-family: var(--f-en-serif); }
.hero-title .accent { display: inline-block; position: relative; }
.hero-title .accent::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--c-kin);
}
.hero-sub {
  font-family: var(--f-min);
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 2.1;
  letter-spacing: 0.1em;
  color: rgba(248, 244, 236, 0.88);
  max-width: 640px;
  margin-bottom: 50px;
  opacity: 0;
  animation: rise 1.6s 0.85s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.hero-cta {
  display: inline-flex; align-items: center; gap: 16px;
  padding: 18px 42px;
  background: var(--c-kin);
  color: var(--c-shikon);
  font-family: var(--f-min);
  font-size: 14px;
  letter-spacing: 0.24em;
  border: 1px solid var(--c-kin);
  transition: all 320ms ease;
  opacity: 0;
  animation: rise 1.6s 1.1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.hero-cta:hover {
  background: transparent;
  color: var(--c-kinpaku);
  letter-spacing: 0.32em;
}
.hero-scroll {
  position: absolute;
  bottom: 30px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--f-en-serif);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--c-kinpaku);
  opacity: 0.7;
  animation: bobble 2.4s ease-in-out infinite;
}
.hero-scroll::after {
  content: "";
  display: block;
  width: 1px; height: 30px;
  background: var(--c-kin);
  margin: 12px auto 0;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(36px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes bobble {
  0%, 100% { transform: translate(-50%, 0); opacity: 0.7; }
  50% { transform: translate(-50%, 8px); opacity: 1; }
}

/* ============================================================
   Manifesto / Story Sections
   ============================================================ */
.section.dark {
  background: linear-gradient(180deg, var(--c-shikon) 0%, var(--c-edo-murasaki) 100%);
  color: var(--c-kinari);
  position: relative;
}
.section.dark .eyebrow { color: var(--c-kinpaku); }
.section.dark h2, .section.dark h3 { color: var(--c-shiro); }

.manifesto {
  text-align: center;
}
.manifesto h2 {
  font-size: clamp(28px, 4.5vw, 56px);
  letter-spacing: 0.12em;
  line-height: 1.55;
  margin: 0 auto 36px;
  max-width: 14em;
}
.manifesto h2 em {
  font-style: normal;
  color: var(--c-kinpaku);
  border-bottom: 1px solid var(--c-kin);
  padding-bottom: 4px;
}
.manifesto-body {
  max-width: 720px;
  margin: 0 auto;
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 2.2;
  color: rgba(248, 244, 236, 0.85);
  letter-spacing: 0.08em;
}

/* ============================================================
   Three Roles
   ============================================================ */
.roles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 70px;
  border-top: 1px solid var(--c-line);
}
.role {
  padding: 56px 36px 50px;
  border-right: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  position: relative;
  text-align: center;
  transition: background 380ms ease;
}
.role:last-child { border-right: 1px solid transparent; }
.role:hover { background: rgba(184, 134, 11, 0.06); }
.role-num {
  font-family: var(--f-en-serif);
  font-size: 14px;
  letter-spacing: 0.4em;
  color: var(--c-kin);
  margin-bottom: 24px;
  display: block;
}
.role-title {
  font-family: var(--f-min);
  font-size: 22px;
  color: var(--c-shiro);
  margin-bottom: 8px;
  letter-spacing: 0.08em;
}
.role-title-en {
  font-family: var(--f-en-serif);
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--c-fujimurasaki);
  margin-bottom: 24px;
  font-style: italic;
}
.role-body {
  font-size: 14px;
  line-height: 2.0;
  color: rgba(248, 244, 236, 0.78);
  letter-spacing: 0.04em;
}

/* ============================================================
   Section Header Reusable
   ============================================================ */
.sec-header {
  text-align: center;
  margin-bottom: 70px;
}
.sec-header h2 {
  font-size: clamp(28px, 3.6vw, 42px);
  margin-bottom: 14px;
  letter-spacing: 0.1em;
}
.sec-header p {
  font-family: var(--f-min);
  font-size: 14px;
  color: var(--c-usuzumi);
  letter-spacing: 0.08em;
}

/* ============================================================
   Category Teasers (top page)
   ============================================================ */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.cat-card {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--c-shikon);
  cursor: pointer;
  transition: transform 360ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.cat-card:hover { transform: translateY(-6px); }
.cat-card-img {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: saturate(0.85) brightness(0.7);
  transition: filter 600ms ease, transform 1200ms ease;
}
.cat-card:hover .cat-card-img {
  filter: saturate(1.05) brightness(0.85);
  transform: scale(1.06);
}
.cat-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(20, 16, 31, 0.92) 100%);
}
.cat-card-content {
  position: absolute; left: 24px; right: 24px; bottom: 24px;
  color: var(--c-kinari);
}
.cat-card-num {
  font-family: var(--f-en-serif);
  font-size: 11px;
  letter-spacing: 0.45em;
  color: var(--c-kinpaku);
  margin-bottom: 10px;
}
.cat-card-title {
  font-family: var(--f-min);
  font-size: 19px;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
  color: var(--c-shiro);
}
.cat-card-body {
  font-family: var(--f-min);
  font-size: 12.5px;
  line-height: 1.85;
  color: rgba(248, 244, 236, 0.78);
}

/* ============================================================
   LunaHearts Furniture Section (top page)
   ============================================================ */
.lh-section {
  background: linear-gradient(180deg, var(--c-shikon) 0%, var(--c-sumi) 100%);
  position: relative;
}
.lh-section::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(212, 175, 55, 0.08), transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(155, 141, 191, 0.10), transparent 50%);
  pointer-events: none;
}
.lh-section > * { position: relative; }

.lh-hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
  margin: 64px 0 80px;
  padding: 40px;
  border: 1px solid var(--c-line);
  background: rgba(255, 255, 255, 0.02);
}
.lh-hero-img {
  aspect-ratio: 4 / 3;
  background-size: cover; background-position: center;
  border: 1px solid var(--c-line);
  filter: saturate(0.95) brightness(0.92);
}
.lh-hero-text h3 {
  font-family: var(--f-min);
  font-size: clamp(22px, 2.2vw, 30px);
  letter-spacing: 0.08em;
  line-height: 1.55;
  margin: 18px 0 22px;
}
.lh-tag-row {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-top: 26px;
}
.lh-tag {
  font-family: var(--f-min);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--c-kinpaku);
  border: 1px solid var(--c-kincha);
  padding: 6px 14px;
  background: rgba(212, 175, 55, 0.06);
}

.lh-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.lh-card {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--c-line);
  overflow: hidden;
  transition: transform 480ms cubic-bezier(0.2, 0.8, 0.2, 1),
              border-color 480ms ease,
              background 480ms ease;
}
.lh-card:hover {
  transform: translateY(-6px);
  border-color: var(--c-kincha);
  background: rgba(212, 175, 55, 0.04);
}
.lh-card-img {
  aspect-ratio: 4 / 3;
  background-size: cover; background-position: center;
  filter: saturate(0.9) brightness(0.85);
  transition: filter 600ms ease, transform 1200ms ease;
}
.lh-card:hover .lh-card-img {
  filter: saturate(1.05) brightness(1);
  transform: scale(1.05);
}
.lh-card-body {
  padding: 22px 24px 26px;
  color: var(--c-kinari);
}
.lh-card-meta {
  font-family: var(--f-en-serif);
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--c-kinpaku);
  margin-bottom: 10px;
}
.lh-card-meta span {
  display: inline-block;
  font-family: var(--f-min);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--c-shu);
  border: 1px solid rgba(165, 42, 42, 0.5);
  padding: 1px 8px;
  margin-left: 8px;
  vertical-align: 2px;
}
.lh-card-title {
  font-family: var(--f-min);
  font-size: 18px;
  letter-spacing: 0.1em;
  color: var(--c-shiro);
  margin-bottom: 12px;
  line-height: 1.5;
}
.lh-card-en {
  display: block;
  font-family: var(--f-en-serif);
  font-style: italic;
  font-size: 12.5px;
  letter-spacing: 0.18em;
  color: var(--c-kinpaku);
  margin-top: 4px;
}
.lh-card-body p {
  font-family: var(--f-min);
  font-size: 13px;
  line-height: 1.85;
  color: rgba(248, 244, 236, 0.78);
}

/* Sub-headings inside LunaHearts section */
.lh-subhead {
  display: flex; align-items: baseline; gap: 22px;
  margin: 56px 0 26px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--c-line);
}
.lh-subhead-en {
  font-family: var(--f-en-serif);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.4em;
  color: var(--c-kinpaku);
}
.lh-subhead h3 {
  font-family: var(--f-min);
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: 0.18em;
  color: var(--c-shiro);
  margin: 0;
}
.lh-grid-3 { grid-template-columns: repeat(3, 1fr); }
.lh-grid-2 { grid-template-columns: repeat(2, 1fr); }

/* ============================================================
   Living National Treasure Works (top page)
   ============================================================ */
.kg-section {
  background:
    linear-gradient(180deg, var(--c-kinari) 0%, #EFE7D6 100%);
  position: relative;
}
.kg-section::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 80% 0%, rgba(212, 175, 55, 0.08), transparent 50%);
  pointer-events: none;
}
.kg-section > * { position: relative; }

.kg-lead {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
  margin: 64px 0 80px;
  padding: 40px;
  background: var(--c-shiro);
  border: 1px solid var(--c-line);
  box-shadow: var(--shadow-soft);
}
.kg-lead-img {
  aspect-ratio: 4 / 3;
  background-size: cover; background-position: center;
  border: 1px solid var(--c-line);
}
.kg-lead-text h3 {
  font-family: var(--f-min);
  font-size: clamp(22px, 2.2vw, 30px);
  letter-spacing: 0.08em;
  line-height: 1.55;
  margin: 18px 0 22px;
  color: var(--c-shikon);
}
.kg-lead-text p {
  font-family: var(--f-min);
  font-size: 14px;
  line-height: 1.95;
  color: var(--c-sumi);
}

.kg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.kg-card {
  background: var(--c-shiro);
  border: 1px solid var(--c-line);
  overflow: hidden;
  transition: transform 480ms cubic-bezier(0.2, 0.8, 0.2, 1),
              border-color 480ms ease,
              box-shadow 480ms ease;
}
.kg-card:hover {
  transform: translateY(-6px);
  border-color: var(--c-kincha);
  box-shadow: var(--shadow-soft);
}
.kg-card-img {
  aspect-ratio: 4 / 3;
  background-size: cover; background-position: center;
  filter: saturate(0.95);
  transition: transform 1200ms ease;
}
.kg-card:hover .kg-card-img {
  transform: scale(1.05);
}
.kg-card-body {
  padding: 22px 24px 26px;
  color: var(--c-sumi);
}
.kg-card-meta {
  font-family: var(--f-en-serif);
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--c-kincha);
  margin-bottom: 10px;
}
.kg-card-title {
  font-family: var(--f-min);
  font-size: 17px;
  letter-spacing: 0.08em;
  color: var(--c-shikon);
  margin-bottom: 10px;
  line-height: 1.55;
}
.kg-card-artist {
  display: block;
  font-family: var(--f-min);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--c-shu);
  margin-top: 4px;
  font-weight: 500;
}
.kg-card-body p {
  font-family: var(--f-min);
  font-size: 13px;
  line-height: 1.85;
  color: var(--c-usuzumi);
}

/* ============================================================
   Products Page
   ============================================================ */
.page-hero {
  position: relative;
  height: 60vh;
  min-height: 420px;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  color: var(--c-kinari);
  background: linear-gradient(135deg, var(--c-shikon), var(--c-edo-murasaki));
  overflow: hidden;
  isolation: isolate;
}
.page-hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0.4;
  z-index: -1;
}
.page-hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20, 16, 31, 0.5), rgba(20, 16, 31, 0.85));
  z-index: -1;
}
.page-hero h1 {
  font-size: clamp(34px, 5vw, 60px);
  letter-spacing: 0.14em;
  margin-bottom: 14px;
  color: var(--c-shiro);
}
.page-hero .eyebrow { color: var(--c-kinpaku); }
.page-hero p {
  font-family: var(--f-min);
  font-size: 14px;
  letter-spacing: 0.16em;
  color: var(--c-fujimurasaki);
}

.cat-nav {
  position: sticky; top: 70px;
  z-index: 50;
  background: rgba(248, 244, 236, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-line);
  padding: 16px 0;
}
.cat-nav-inner {
  display: flex; gap: 8px; flex-wrap: wrap;
  justify-content: center;
}
.cat-tab {
  padding: 10px 24px;
  font-family: var(--f-min);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--c-edo-murasaki);
  border: 1px solid transparent;
  background: transparent;
  transition: all 220ms ease;
}
.cat-tab:hover { color: var(--c-shikon); border-color: var(--c-line); }
.cat-tab.active {
  background: var(--c-shikon);
  color: var(--c-kinpaku);
  border-color: var(--c-shikon);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}
.product-card {
  background: var(--c-shiro);
  border: 1px solid var(--c-line);
  overflow: hidden;
  transition: transform 360ms cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 360ms ease;
  cursor: pointer;
  display: flex; flex-direction: column;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
  border-color: rgba(212, 175, 55, 0.4);
}
.product-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--c-shikon);
}
.product-img > div {
  width: 100%; height: 100%;
  background-size: cover; background-position: center;
  transition: transform 800ms ease;
}
.product-card:hover .product-img > div { transform: scale(1.06); }
.product-body { padding: 22px 24px 28px; flex: 1; display: flex; flex-direction: column; }
.product-cat {
  font-family: var(--f-en-serif);
  font-size: 10.5px;
  letter-spacing: 0.32em;
  color: var(--c-kincha);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.product-title {
  font-family: var(--f-min);
  font-size: 18px;
  letter-spacing: 0.06em;
  color: var(--c-shikon);
  margin-bottom: 6px;
  line-height: 1.5;
}
.product-artisan {
  font-family: var(--f-min);
  font-size: 12px;
  color: var(--c-edo-murasaki);
  margin-bottom: 12px;
  letter-spacing: 0.06em;
}
.product-artisan .ningenkokuho {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--c-kin);
  border: 1px solid var(--c-kin);
  padding: 1px 8px;
  margin-right: 8px;
  vertical-align: middle;
}
.product-desc {
  font-size: 13px;
  line-height: 1.85;
  color: var(--c-usuzumi);
  flex: 1;
  letter-spacing: 0.02em;
}
.product-tag {
  margin-top: 14px;
  font-family: var(--f-en-serif);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--c-edo-murasaki);
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  display: flex; justify-content: space-between; align-items: center;
}
.product-tag .arrow {
  color: var(--c-kin);
  transition: transform 240ms ease;
}
.product-card:hover .product-tag .arrow { transform: translateX(4px); }

/* ============================================================
   Modal
   ============================================================ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(20, 16, 31, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: 30px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 320ms ease;
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--c-kinari);
  max-width: 1000px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  border: 1px solid var(--c-kin);
  transform: translateY(20px);
  transition: transform 360ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.modal-overlay.active .modal { transform: translateY(0); }
.modal-close {
  position: absolute; top: 14px; right: 18px;
  font-size: 30px; line-height: 1;
  color: var(--c-edo-murasaki);
  z-index: 2;
}
.modal-img {
  width: 100%; aspect-ratio: 16 / 10;
  background-size: cover; background-position: center;
  background-color: var(--c-shikon);
}
.modal-body { padding: 40px clamp(24px, 4vw, 56px); }
.modal-cat {
  font-family: var(--f-en-serif);
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--c-kincha);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.modal-title {
  font-family: var(--f-min);
  font-size: clamp(24px, 3vw, 34px);
  color: var(--c-shikon);
  margin-bottom: 12px;
  letter-spacing: 0.06em;
}
.modal-artisan {
  font-family: var(--f-min);
  font-size: 14px;
  color: var(--c-edo-murasaki);
  margin-bottom: 28px;
}
.modal-section { margin-bottom: 32px; }
.modal-section h4 {
  font-family: var(--f-min);
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--c-kincha);
  margin-bottom: 12px;
  border-left: 2px solid var(--c-kin);
  padding-left: 12px;
}
.modal-section p {
  font-size: 14.5px;
  line-height: 2.0;
  color: var(--c-sumi);
}
.modal-cta {
  display: inline-block;
  margin-top: 24px;
  padding: 14px 36px;
  background: var(--c-shikon);
  color: var(--c-kinpaku);
  font-family: var(--f-min);
  font-size: 13px;
  letter-spacing: 0.22em;
  border: 1px solid var(--c-shikon);
  transition: all 280ms ease;
}
.modal-cta:hover { background: var(--c-edo-murasaki); border-color: var(--c-kin); }

/* ============================================================
   Stats / Trust
   ============================================================ */
.trust {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: var(--c-shikon);
  color: var(--c-kinari);
  border: 1px solid var(--c-line);
}
.trust-item {
  padding: 50px 30px;
  text-align: center;
  border-right: 1px solid var(--c-line);
}
.trust-item:last-child { border-right: 0; }
.trust-num {
  font-family: var(--f-en-serif);
  font-size: 44px;
  color: var(--c-kinpaku);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  font-weight: 500;
}
.trust-label {
  font-family: var(--f-min);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: rgba(248, 244, 236, 0.7);
}

/* ============================================================
   Two-column features
   ============================================================ */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.feature-row.reverse > div:first-child { order: 2; }
.feature-img {
  position: relative;
  aspect-ratio: 4 / 3;
  background-size: cover; background-position: center;
  background-color: var(--c-shikon);
  box-shadow: var(--shadow-soft);
}
.feature-img::before {
  content: "";
  position: absolute;
  top: -12px; left: -12px;
  width: 60px; height: 60px;
  border-top: 1px solid var(--c-kin);
  border-left: 1px solid var(--c-kin);
}
.feature-img::after {
  content: "";
  position: absolute;
  bottom: -12px; right: -12px;
  width: 60px; height: 60px;
  border-bottom: 1px solid var(--c-kin);
  border-right: 1px solid var(--c-kin);
}

/* ============================================================
   CTA Banner
   ============================================================ */
.cta-banner {
  text-align: center;
  padding: clamp(70px, 9vw, 110px) 0;
  background: linear-gradient(135deg, var(--c-shikon) 0%, var(--c-kodai) 100%);
  color: var(--c-kinari);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 10% 20%, rgba(212, 175, 55, 0.18), transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(155, 141, 191, 0.4), transparent 50%);
}
.cta-banner > * { position: relative; }
.cta-banner h2 {
  color: var(--c-shiro);
  font-size: clamp(28px, 3.6vw, 42px);
  margin-bottom: 18px;
  letter-spacing: 0.1em;
}
.cta-banner p {
  font-family: var(--f-min);
  font-size: 15px;
  color: rgba(248, 244, 236, 0.85);
  margin-bottom: 36px;
  letter-spacing: 0.08em;
}
.btn-gold {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 18px 46px;
  background: var(--c-kin);
  color: var(--c-shikon);
  font-family: var(--f-min);
  font-size: 14px;
  letter-spacing: 0.24em;
  border: 1px solid var(--c-kin);
  transition: all 320ms ease;
}
.btn-gold:hover {
  background: transparent;
  color: var(--c-kinpaku);
  letter-spacing: 0.32em;
}
.btn-outline {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 17px 44px;
  background: transparent;
  color: var(--c-kinpaku);
  font-family: var(--f-min);
  font-size: 14px;
  letter-spacing: 0.24em;
  border: 1px solid var(--c-kin);
  transition: all 320ms ease;
}
.btn-outline:hover { background: var(--c-kin); color: var(--c-shikon); }

/* ============================================================
   Form (Contact)
   ============================================================ */
.form-card {
  background: var(--c-shiro);
  border: 1px solid var(--c-line);
  padding: clamp(36px, 5vw, 64px);
  box-shadow: var(--shadow-soft);
}
.form-row { margin-bottom: 26px; }
.form-row label {
  display: block;
  font-family: var(--f-min);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--c-edo-murasaki);
  margin-bottom: 10px;
}
.form-row label .req {
  color: var(--c-shu);
  font-size: 10px;
  margin-left: 8px;
  letter-spacing: 0.2em;
}
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="tel"],
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--f-sans);
  font-size: 15px;
  border: 1px solid var(--c-line);
  background: var(--c-kinari);
  color: var(--c-sumi);
  transition: border-color 220ms ease, background 220ms ease;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--c-kin);
  background: var(--c-shiro);
}
.form-row textarea { min-height: 160px; resize: vertical; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-submit {
  margin-top: 16px;
  padding: 18px 56px;
  background: var(--c-shikon);
  color: var(--c-kinpaku);
  font-family: var(--f-min);
  font-size: 14px;
  letter-spacing: 0.26em;
  border: 1px solid var(--c-shikon);
  cursor: pointer;
  transition: all 320ms ease;
  width: 100%;
}
.form-submit:hover { background: var(--c-kin); color: var(--c-shikon); }

.contact-meta {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 60px;
}
.contact-meta-item {
  text-align: center;
  padding: 30px 20px;
  border: 1px solid var(--c-line);
  background: var(--c-shiro);
}
.contact-meta-label {
  font-family: var(--f-en-serif);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--c-kincha);
  margin-bottom: 12px;
}
.contact-meta-value {
  font-family: var(--f-min);
  font-size: 15px;
  color: var(--c-shikon);
  letter-spacing: 0.04em;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--c-shikon);
  color: var(--c-kinari);
  padding: 70px 0 30px;
  border-top: 1px solid var(--c-line);
}
.footer-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--c-line);
}
.footer-brand .brand-en {
  font-family: var(--f-en-serif);
  font-size: 24px;
  letter-spacing: 0.32em;
  color: var(--c-kinpaku);
  margin-bottom: 14px;
}
.footer-brand p {
  font-family: var(--f-min);
  font-size: 12.5px;
  line-height: 2.0;
  color: rgba(248, 244, 236, 0.7);
  letter-spacing: 0.08em;
}
.footer-col h5 {
  font-family: var(--f-min);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--c-kinpaku);
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col li {
  font-size: 13px;
  line-height: 2.2;
  color: rgba(248, 244, 236, 0.75);
}
.footer-col a:hover { color: var(--c-kinpaku); }
.footer-base {
  padding-top: 24px;
  text-align: center;
  font-family: var(--f-en-serif);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: rgba(248, 244, 236, 0.5);
}

/* ============================================================
   Reveal animation
   ============================================================ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 900ms cubic-bezier(0.2, 0.8, 0.2, 1), transform 900ms cubic-bezier(0.2, 0.8, 0.2, 1); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 960px) {
  .nav { gap: 22px; }
  .nav a { font-size: 12px; letter-spacing: 0.14em; }
  .roles, .trust { grid-template-columns: 1fr; }
  .role { border-right: 0; }
  .trust-item { border-right: 0; border-bottom: 1px solid var(--c-line); }
  .feature-row { grid-template-columns: 1fr; }
  .feature-row.reverse > div:first-child { order: 0; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .lh-hero { grid-template-columns: 1fr; gap: 28px; padding: 24px; }
  .lh-grid,
  .lh-grid-3,
  .lh-grid-2 { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .kg-lead { grid-template-columns: 1fr; gap: 28px; padding: 24px; }
  .kg-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .footer-row { grid-template-columns: 1fr 1fr; }
  .form-grid-2 { grid-template-columns: 1fr; }
  .contact-meta { grid-template-columns: 1fr; gap: 14px; }
}
@media (max-width: 640px) {
  .nav-toggle {
    display: block; color: var(--c-kinpaku);
    font-size: 22px; padding: 6px;
  }
  .nav {
    display: none; position: absolute; top: 100%; right: 0;
    background: var(--c-shikon); flex-direction: column;
    padding: 24px 28px; gap: 18px; min-width: 220px;
    border: 1px solid var(--c-line);
  }
  .nav.open { display: flex; }
  .cat-grid { grid-template-columns: 1fr; }
  .lh-grid,
  .lh-grid-3,
  .lh-grid-2 { grid-template-columns: 1fr; gap: 16px; }
  .kg-grid { grid-template-columns: 1fr; gap: 16px; }
  .products-grid { grid-template-columns: 1fr; gap: 18px; }
  .footer-row { grid-template-columns: 1fr; gap: 30px; }
}