/* ============================================
   SEANT — 共通スタイル
   インクブルー × オフホワイト × 朱赤
   Italiana + Klee One
   栄の青いテント、1999 年から
   ============================================ */

:root {
  --ink: #1c3661;
  --ink-deep: #102243;
  --ink-soft: #3a5685;
  --paper: #f5efe3;
  --paper-deep: #ebe3d2;
  --cream: #faf6ec;
  --vermilion: #b8472b;
  --vermilion-deep: #8e3621;
  --line: #d8d0bd;
  --text: #2a2520;
  --text-muted: #6b6358;
  --white: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Klee One", "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  font-weight: 400;
  color: var(--text);
  background: var(--cream);
  line-height: 1.95;
  font-size: 15.5px;
  letter-spacing: 0.025em;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.25s ease, color 0.25s ease;
}

a:hover {
  opacity: 0.7;
}

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

/* ============================================
   Header
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 246, 236, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 22px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-en {
  font-family: "Italiana", serif;
  font-size: 28px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: 0.18em;
}

.logo-jp {
  font-family: "Klee One", serif;
  font-weight: 500;
  font-size: 10.5px;
  color: var(--text-muted);
  letter-spacing: 0.2em;
  margin-top: 4px;
}

.nav {
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav a {
  font-family: "Italiana", serif;
  font-size: 16px;
  color: var(--ink);
  letter-spacing: 0.15em;
  position: relative;
  padding: 4px 0;
}

.nav a.active {
  color: var(--vermilion);
}

.nav a.active::after,
.nav a:not(.shop-link):hover::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--vermilion);
}

.nav .shop-link {
  font-family: "Italiana", serif;
  font-size: 14px;
  color: var(--paper);
  background: var(--vermilion);
  padding: 10px 22px;
  letter-spacing: 0.2em;
  transition: background 0.3s ease;
}

.nav .shop-link::after {
  content: " ↗";
  display: inline;
  background: none;
  position: static;
  height: auto;
}

.nav .shop-link:hover {
  background: var(--vermilion-deep);
  color: var(--paper);
  opacity: 1;
}

/* ============================================
   Hero
   ============================================ */

.hero {
  min-height: 100vh;
  background: var(--cream);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 130px 40px 80px;
}

.hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-text {
  position: relative;
}

.hero-stamp {
  display: inline-block;
  font-family: "Italiana", serif;
  font-size: 12px;
  color: var(--vermilion);
  letter-spacing: 0.3em;
  padding: 8px 14px;
  border: 1px solid var(--vermilion);
  margin-bottom: 36px;
  transform: rotate(-2deg);
  background: var(--cream);
}

.hero-title {
  font-family: "Italiana", serif;
  font-weight: 400;
  font-size: clamp(60px, 9vw, 128px);
  line-height: 0.95;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin-bottom: 24px;
}

.hero-tagline {
  font-family: "Klee One", serif;
  font-weight: 500;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.7;
  color: var(--ink);
  margin-bottom: 36px;
  letter-spacing: 0.05em;
}

.hero-sub {
  font-size: 15px;
  line-height: 2.1;
  max-width: 520px;
  color: var(--text-muted);
  margin-bottom: 48px;
}

.hero-meta {
  display: flex;
  gap: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.hero-meta-item {
  font-family: "Klee One", serif;
}

.hero-meta-label {
  font-family: "Italiana", serif;
  font-size: 11px;
  color: var(--vermilion);
  letter-spacing: 0.25em;
  margin-bottom: 6px;
}

.hero-meta-value {
  font-size: 14px;
  color: var(--ink);
  line-height: 1.7;
  font-weight: 500;
}

.hero-visual {
  position: relative;
  aspect-ratio: 3 / 4;
  background: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: var(--paper);
  padding: 40px;
}

.hero-visual::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 24px;
  right: 24px;
  bottom: 24px;
  border: 1px solid rgba(245, 239, 227, 0.25);
  pointer-events: none;
}

.hero-visual-en {
  font-family: "Italiana", serif;
  font-size: clamp(48px, 6vw, 88px);
  line-height: 1;
  letter-spacing: 0.05em;
  margin-bottom: 28px;
}

.hero-visual-en small {
  font-size: 16px;
  letter-spacing: 0.3em;
  display: block;
  margin-top: 16px;
}

.hero-visual-jp {
  font-family: "Klee One", serif;
  font-weight: 500;
  font-size: 16px;
  letter-spacing: 0.2em;
  text-align: center;
  line-height: 1.9;
}

.hero-visual-vermilion {
  position: absolute;
  bottom: 40px;
  right: 40px;
  color: var(--vermilion);
  font-family: "Italiana", serif;
  font-size: 14px;
  letter-spacing: 0.2em;
}

/* ============================================
   Sections
   ============================================ */

.section {
  padding: 140px 40px;
}

.section-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.section-label {
  font-family: "Italiana", serif;
  font-size: 16px;
  color: var(--vermilion);
  letter-spacing: 0.3em;
  margin-bottom: 24px;
}

.section-title {
  font-family: "Italiana", serif;
  font-weight: 400;
  font-size: clamp(40px, 5vw, 64px);
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

.section-title-jp {
  font-family: "Klee One", serif;
  font-weight: 500;
  font-size: clamp(20px, 2.4vw, 26px);
  color: var(--ink);
  line-height: 1.7;
  margin-bottom: 60px;
  letter-spacing: 0.05em;
}

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

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

.section-dark .section-title,
.section-dark .section-title-jp {
  color: var(--paper);
}

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

/* ============================================
   Page Header
   ============================================ */

.page-header {
  background: var(--ink);
  color: var(--paper);
  padding: 200px 40px 120px;
  position: relative;
}

.page-header::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 60px;
  height: 1px;
  background: var(--vermilion);
  transform: translateX(-50%);
}

.page-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
}

.page-header-en {
  font-family: "Italiana", serif;
  font-size: clamp(48px, 7vw, 84px);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.page-header-jp {
  font-family: "Klee One", serif;
  font-weight: 500;
  font-size: 17px;
  color: var(--vermilion);
  letter-spacing: 0.25em;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 18px 40px;
  font-family: "Italiana", serif;
  font-size: 14px;
  letter-spacing: 0.2em;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn::after {
  content: "→";
  font-family: "Italiana", serif;
  transition: transform 0.3s ease;
}

.btn:hover {
  background: var(--ink);
  color: var(--paper);
  opacity: 1;
}

.btn:hover::after {
  transform: translateX(4px);
}

.btn-vermilion {
  border-color: var(--vermilion);
  color: var(--vermilion);
}

.btn-vermilion:hover {
  background: var(--vermilion);
  color: var(--white);
}

.btn-light {
  border-color: var(--paper);
  color: var(--paper);
}

.btn-light:hover {
  background: var(--paper);
  color: var(--ink);
}

/* ============================================
   Concept Block
   ============================================ */

.concept {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 100px;
  align-items: start;
}

.concept-aside {
  font-family: "Italiana", serif;
  font-size: 14px;
  color: var(--vermilion);
  letter-spacing: 0.25em;
  position: sticky;
  top: 120px;
}

.concept-body p {
  font-family: "Klee One", serif;
  font-weight: 500;
  font-size: 18px;
  line-height: 2.2;
  color: var(--ink);
  margin-bottom: 1.6em;
  letter-spacing: 0.04em;
}

.concept-body p:last-child {
  margin-bottom: 0;
}

.concept-body em {
  font-style: normal;
  color: var(--vermilion);
}

/* ============================================
   Categories Grid (Catalog Style)
   ============================================ */

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px 40px;
}

.catalog-item {
  display: flex;
  flex-direction: column;
}

.catalog-num {
  font-family: "Italiana", serif;
  font-size: 13px;
  color: var(--vermilion);
  letter-spacing: 0.25em;
  margin-bottom: 16px;
}

.catalog-thumb {
  aspect-ratio: 4 / 5;
  background: var(--paper);
  border: 1px solid var(--line);
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}

.catalog-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.catalog-item a:hover .catalog-thumb img,
.catalog-item:hover .catalog-thumb img {
  transform: scale(1.04);
}

.catalog-item h3 {
  font-family: "Italiana", serif;
  font-weight: 400;
  font-size: 26px;
  color: var(--ink);
  margin-bottom: 6px;
  letter-spacing: 0.06em;
}

.catalog-item h3 small {
  display: block;
  font-family: "Klee One", serif;
  font-weight: 500;
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-top: 6px;
}

.catalog-item p {
  font-size: 14px;
  line-height: 2;
  color: var(--text-muted);
  margin-top: 14px;
}

.catalog-shop-link {
  display: inline-block;
  margin-top: 18px;
  font-family: "Italiana", serif;
  font-size: 13px;
  color: var(--vermilion);
  letter-spacing: 0.2em;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--vermilion);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.catalog-shop-link:hover {
  color: var(--vermilion-deep);
  border-color: var(--vermilion-deep);
  opacity: 1;
}

.catalog-shop-link::after {
  content: " ↗";
}

/* ============================================
   Brand Grid
   ============================================ */

.brand-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.brand-cell {
  background: var(--cream);
  padding: 0;
  text-align: center;
  transition: background 0.3s ease;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.brand-cell:hover {
  background: var(--white);
}

.brand-cell-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  position: relative;
}

.brand-cell-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

a.brand-cell:hover .brand-cell-img img {
  transform: scale(1.05);
}

.brand-cell-info {
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  flex: 1;
}

.brand-cell-en {
  font-family: "Italiana", serif;
  font-size: 20px;
  color: var(--ink);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  line-height: 1.3;
}

.brand-cell-jp {
  font-family: "Klee One", serif;
  font-weight: 500;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  line-height: 1.6;
}

.brand-cell-tag {
  margin-top: 12px;
  font-family: "Italiana", serif;
  font-size: 10px;
  color: var(--vermilion);
  letter-spacing: 0.25em;
}

a.brand-cell {
  cursor: pointer;
  position: relative;
  text-decoration: none;
  color: inherit;
}

a.brand-cell .brand-cell-img::after {
  content: "↗";
  position: absolute;
  top: 12px;
  right: 14px;
  font-family: "Italiana", serif;
  font-size: 16px;
  color: var(--vermilion);
  background: var(--cream);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
}

a.brand-cell:hover .brand-cell-img::after {
  opacity: 1;
}

/* ============================================
   Info Table
   ============================================ */

.info-table {
  width: 100%;
  border-collapse: collapse;
}

.info-table tr {
  border-bottom: 1px solid var(--line);
}

.info-table th,
.info-table td {
  padding: 22px 0;
  text-align: left;
  vertical-align: top;
  font-size: 15px;
}

.info-table th {
  font-family: "Italiana", serif;
  font-weight: 400;
  color: var(--vermilion);
  width: 200px;
  letter-spacing: 0.15em;
}

.info-table td {
  color: var(--text);
  line-height: 1.95;
  font-family: "Klee One", serif;
  font-weight: 500;
}

/* ============================================
   Story Paragraphs (about page)
   ============================================ */

.story {
  max-width: 760px;
}

.story-chapter {
  margin-bottom: 80px;
}

.story-chapter:last-child {
  margin-bottom: 0;
}

.story-chapter-num {
  font-family: "Italiana", serif;
  font-size: 13px;
  color: var(--vermilion);
  letter-spacing: 0.3em;
  margin-bottom: 16px;
}

.story-chapter h3 {
  font-family: "Italiana", serif;
  font-weight: 400;
  font-size: 36px;
  color: var(--ink);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
  line-height: 1.2;
}

.story-chapter h3 small {
  display: block;
  font-family: "Klee One", serif;
  font-weight: 500;
  font-size: 16px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-top: 12px;
}

.story-chapter p {
  font-family: "Klee One", serif;
  font-weight: 500;
  font-size: 15.5px;
  line-height: 2.2;
  color: var(--text);
  margin-top: 28px;
  letter-spacing: 0.04em;
}

/* ============================================
   Visit Card
   ============================================ */

.visit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.visit-card {
  background: var(--paper);
  padding: 64px 56px;
  position: relative;
}

.visit-card-label {
  font-family: "Italiana", serif;
  font-size: 14px;
  color: var(--vermilion);
  letter-spacing: 0.25em;
  margin-bottom: 24px;
}

.visit-card h3 {
  font-family: "Italiana", serif;
  font-weight: 400;
  font-size: 34px;
  color: var(--ink);
  margin-bottom: 32px;
  letter-spacing: 0.05em;
}

.visit-card p {
  font-family: "Klee One", serif;
  font-weight: 500;
  font-size: 15px;
  line-height: 2;
  margin-bottom: 1em;
}

.visit-card .big {
  font-family: "Italiana", serif;
  font-size: 28px;
  color: var(--ink);
  letter-spacing: 0.06em;
  margin: 12px 0;
}

/* ============================================
   CTA Band
   ============================================ */

.cta-band {
  background: var(--ink-deep);
  color: var(--paper);
  padding: 120px 40px;
  text-align: center;
  position: relative;
}

.cta-band::before {
  content: "";
  position: absolute;
  top: 50px;
  left: 50%;
  width: 50px;
  height: 1px;
  background: var(--vermilion);
  transform: translateX(-50%);
}

.cta-en {
  font-family: "Italiana", serif;
  font-size: 16px;
  color: var(--vermilion);
  letter-spacing: 0.3em;
  margin-bottom: 24px;
}

.cta-title {
  font-family: "Italiana", serif;
  font-weight: 400;
  font-size: clamp(40px, 5vw, 64px);
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

.cta-title-jp {
  font-family: "Klee One", serif;
  font-weight: 500;
  font-size: 17px;
  color: rgba(245, 239, 227, 0.85);
  margin-bottom: 48px;
  letter-spacing: 0.08em;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background: var(--ink-deep);
  color: rgba(245, 239, 227, 0.75);
  padding: 80px 40px 32px;
  border-top: 1px solid rgba(184, 71, 43, 0.2);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(184, 71, 43, 0.2);
}

.footer-brand .logo-en {
  color: var(--paper);
  font-size: 32px;
}

.footer-brand .logo-jp {
  color: var(--vermilion);
  margin-top: 8px;
  font-size: 12px;
}

.footer-brand p {
  font-family: "Klee One", serif;
  font-size: 13px;
  line-height: 2;
  margin-top: 20px;
}

.footer-col h4 {
  font-family: "Italiana", serif;
  font-size: 16px;
  color: var(--vermilion);
  letter-spacing: 0.25em;
  margin-bottom: 24px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 14px;
}

.footer-col a {
  font-family: "Italiana", serif;
  font-size: 14px;
  letter-spacing: 0.1em;
}

.footer-bottom {
  font-family: "Italiana", serif;
  font-size: 12px;
  color: rgba(245, 239, 227, 0.5);
  letter-spacing: 0.2em;
  text-align: center;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 960px) {
  .header-inner {
    padding: 16px 24px;
  }

  .nav {
    display: none;
  }

  .hero {
    padding: 100px 24px 60px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    aspect-ratio: 4 / 3;
  }

  .hero-meta {
    flex-direction: column;
    gap: 20px;
  }

  .section {
    padding: 80px 24px;
  }

  .concept,
  .visit-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .concept-aside {
    position: static;
  }

  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 20px;
  }

  .brand-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .info-table th {
    width: 130px;
    font-size: 13px;
  }

  .info-table td {
    font-size: 14px;
  }

  .page-header {
    padding: 140px 24px 80px;
  }

  .visit-card {
    padding: 40px 28px;
  }
}

@media (max-width: 600px) {
  .hero-title {
    font-size: 56px;
  }

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

  .story-chapter h3 {
    font-size: 28px;
  }
}