/* ==========================================================
   ethicalstyle.club  —  Editorial Ethical Style
   ========================================================== */

:root {
  /* Brand Colors */
  --color-deep-green: #04342C;
  --color-earth-green: #0F6E56;
  --color-mid-green: #1D9E75;
  --color-light-mint: #9FE1CB;
  --color-cream: #FAF6EC;
  --color-warm-beige: #F5EFE6;
  --color-gold: #C9A961;
  --color-gold-hover: #D6B576;
  --color-bronze: #9C7651;
  --color-bronze-hover: #B0875F;
  --color-text-dark: #2D2418;
  --color-text-mid: #6B5D4F;

  /* Typography */
  --font-serif-jp: 'Noto Serif JP', 'YuMincho', '游明朝', 'Yu Mincho', serif;
  --font-sans-jp: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
  --font-display-en: 'Cormorant Garamond', 'Times New Roman', serif;

  /* Layout */
  --container-max: 1280px;
  --header-height: 88px;

  /* Motion */
  --ease-out-soft: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
}

/* ==========================================================
   Base / Reset
   ========================================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans-jp);
  font-weight: 400;
  color: var(--color-text-dark);
  background: var(--color-cream);
  line-height: 1.7;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button {
  font: inherit;
  cursor: pointer;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 28px 0;
  transition: padding 0.4s var(--ease-out-soft), background-color 0.4s var(--ease-out-soft);
}

.site-header.is-scrolled {
  background: rgba(4, 52, 44, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 18px 0;
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-cream);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--color-gold);
  color: var(--color-deep-green);
  font-family: var(--font-display-en);
  font-size: 21px;
  font-weight: 500;
  font-style: italic;
  border-radius: 50%;
  line-height: 1;
  padding-bottom: 2px;
}

.logo-text {
  font-family: var(--font-display-en);
  font-size: 19px;
  letter-spacing: 0.015em;
  font-weight: 500;
  line-height: 1;
}

.logo-dot {
  color: var(--color-gold);
}

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

.site-nav a {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--color-cream);
  position: relative;
  padding: 6px 0;
  transition: color 0.3s var(--ease-out-soft);
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width 0.4s var(--ease-out-soft);
}

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

.site-nav a:hover::after {
  width: 100%;
}

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

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-deep-green);
}

.hero-image {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  opacity: 0;
  animation: heroFadeIn 1.6s var(--ease-out-soft) 0.1s forwards;
}

.hero-image-inner {
  position: absolute;
  /* Ken Burnsで動いても画面外が見えないよう、わずかに外側へ広げる */
  inset: -4%;
  /* 本番画像 */
  background-image: url('../images/hero.jpg');
  /* フォールバック用プレースホルダー（hero.jpg未配置時に切り替え）
     background-image: url('../images/hero.svg'); */
  background-size: cover;
  background-position: center right;
  background-color: var(--color-deep-green);
  /* Ken Burns: 24秒かけて右下にゆっくり呼吸 → alternateで戻る */
  animation: kenBurns 24s ease-in-out 1.2s infinite alternate;
  will-change: transform;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      105deg,
      rgba(4, 52, 44, 0.78) 0%,
      rgba(4, 52, 44, 0.55) 40%,
      rgba(4, 52, 44, 0.18) 70%,
      rgba(4, 52, 44, 0.05) 100%
    ),
    linear-gradient(
      to bottom,
      rgba(4, 52, 44, 0.15) 0%,
      rgba(4, 52, 44, 0.05) 50%,
      rgba(4, 52, 44, 0.25) 100%
    );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 48px;
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font-display-en);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 1.2s var(--ease-out-soft) 0.5s forwards;
}

.hero-title {
  font-family: var(--font-serif-jp);
  font-weight: 500;
  color: var(--color-cream);
  line-height: 1.4;
  letter-spacing: 0.04em;
  margin-bottom: 32px;
  font-size: clamp(2.1rem, 4.6vw, 3.6rem);
}

.hero-line {
  display: block;
  opacity: 0;
  transform: translateY(28px);
  animation: fadeUp 1.2s var(--ease-out-quart) forwards;
}

.hero-line:nth-child(1) {
  animation-delay: 0.7s;
}

.hero-line:nth-child(2) {
  animation-delay: 0.95s;
}

.hero-accent {
  display: block;
  width: 64px;
  height: 1px;
  background: var(--color-gold);
  margin-bottom: 32px;
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
  animation: lineGrow 0.9s var(--ease-out-soft) 1.25s forwards;
}

.hero-subtitle {
  font-family: var(--font-sans-jp);
  font-size: clamp(1.05rem, 1.45vw, 1.18rem);
  font-weight: 400;
  color: var(--color-cream);
  letter-spacing: 0.06em;
  line-height: 1.95;
  margin-bottom: 48px;
  max-width: 480px;
  text-shadow: 0 1px 20px rgba(4, 52, 44, 0.3);
  opacity: 0;
  animation: fadeUp 1.2s var(--ease-out-soft) 1.4s forwards;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 1.2s var(--ease-out-soft) 1.6s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 17px 36px;
  font-family: var(--font-sans-jp);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.4s var(--ease-out-soft);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-gold);
  color: var(--color-deep-green);
}

.btn-primary:hover {
  background: var(--color-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(201, 169, 97, 0.28);
}

.btn-arrow {
  font-size: 16px;
  transition: transform 0.35s var(--ease-out-soft);
  display: inline-block;
}

.btn-primary:hover .btn-arrow {
  transform: translateX(5px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-cream);
  border-color: rgba(250, 246, 236, 0.45);
}

.btn-secondary:hover {
  background: rgba(250, 246, 236, 0.06);
  border-color: var(--color-cream);
  transform: translateY(-2px);
}

/* Decorative meta — "by Aisis Japan" */
.hero-meta {
  position: absolute;
  left: 48px;
  bottom: 56px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 16px;
  opacity: 0;
  animation: fadeIn 1.5s var(--ease-out-soft) 2s forwards;
}

.hero-meta-line {
  display: inline-block;
  width: 40px;
  height: 1px;
  background: var(--color-light-mint);
  opacity: 0.5;
}

.hero-meta-text {
  font-family: var(--font-display-en);
  font-size: 12px;
  font-style: italic;
  letter-spacing: 0.18em;
  color: var(--color-light-mint);
  opacity: 0.75;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 56px;
  right: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  z-index: 3;
  opacity: 0;
  animation: fadeIn 1.5s var(--ease-out-soft) 2.2s forwards;
}

.hero-scroll-text {
  font-family: var(--font-display-en);
  font-size: 11px;
  font-style: italic;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-light-mint);
  writing-mode: vertical-rl;
}

.hero-scroll-line {
  width: 1px;
  height: 56px;
  background: rgba(159, 225, 203, 0.3);
  position: relative;
  overflow: hidden;
}

.hero-scroll-line::after {
  content: '';
  position: absolute;
  top: -56px;
  left: 0;
  width: 100%;
  height: 56px;
  background: var(--color-gold);
  animation: scrollLine 2.4s ease-in-out infinite;
  animation-delay: 3s;
}

/* ==========================================================
   Animations
   ========================================================== */

@keyframes heroFadeIn {
  to {
    opacity: 1;
  }
}

@keyframes kenBurns {
  0% {
    transform: scale(1) translate(0, 0);
  }
  100% {
    transform: scale(1.08) translate(1.2%, 1%);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

@keyframes lineGrow {
  to {
    opacity: 1;
    transform: scaleX(1);
  }
}

@keyframes scrollLine {
  0% { top: -56px; }
  50% { top: 56px; }
  100% { top: 56px; }
}

/* ==========================================================
   Section: Values (Our Philosophy)
   ========================================================== */

.values {
  position: relative;
  padding: 140px 0 160px;
  background: var(--color-warm-beige);
  color: var(--color-text-dark);
  overflow: hidden;
}

.values::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--color-gold) 50%,
    transparent 100%
  );
  opacity: 0.5;
}

.values-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 48px;
  position: relative;
}

/* ----- Section Header (共通コンポーネント) ----- */

.section-header {
  text-align: center;
  margin-bottom: 96px;
}

.section-number {
  display: block;
  font-family: var(--font-display-en);
  font-size: 14px;
  font-style: italic;
  font-weight: 500;
  letter-spacing: 0.28em;
  color: var(--color-gold);
  margin-bottom: 16px;
  opacity: 0.9;
}

.section-eyebrow {
  font-family: var(--font-display-en);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--color-earth-green);
  margin-bottom: 28px;
}

.section-title {
  font-family: var(--font-serif-jp);
  font-weight: 500;
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  letter-spacing: 0.1em;
  color: var(--color-deep-green);
  margin-bottom: 32px;
  line-height: 1.4;
}

.section-divider {
  display: block;
  width: 56px;
  height: 1px;
  background: var(--color-gold);
  margin: 0 auto;
}

/* ----- Values Grid ----- */

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 72px;
}

.value-item {
  text-align: left;
  position: relative;
  padding-top: 8px;
}

.value-number {
  display: block;
  font-family: var(--font-display-en);
  font-size: 42px;
  font-weight: 400;
  font-style: italic;
  color: var(--color-gold);
  margin-bottom: 20px;
  line-height: 1;
  letter-spacing: 0.02em;
}

.value-title {
  font-family: var(--font-serif-jp);
  font-weight: 500;
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  color: var(--color-deep-green);
  margin-bottom: 0;
  line-height: 1.5;
  position: relative;
}

.value-title::after {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--color-earth-green);
  margin-top: 20px;
  margin-bottom: 20px;
  opacity: 0.5;
}

.value-text {
  font-family: var(--font-sans-jp);
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 2;
  letter-spacing: 0.05em;
  color: var(--color-text-mid);
}

/* ----- Scroll-triggered fade-in ----- */

[data-fade] {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 1s var(--ease-out-soft),
    transform 1s var(--ease-out-soft);
}

[data-fade].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.values-grid [data-fade]:nth-child(1) { transition-delay: 0s; }
.values-grid [data-fade]:nth-child(2) { transition-delay: 0.15s; }
.values-grid [data-fade]:nth-child(3) { transition-delay: 0.3s; }

/* ==========================================================
   Section: Shops (Ethical Business Cards) — Main Content
   ========================================================== */

.shops {
  position: relative;
  padding: 140px 0 160px;
  background: var(--color-cream);
  color: var(--color-text-dark);
}

.shops-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
  position: relative;
}

.section-lead {
  font-family: var(--font-sans-jp);
  font-size: 0.98rem;
  line-height: 2;
  letter-spacing: 0.05em;
  color: var(--color-text-mid);
  margin-top: 32px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

/* ----- Filter bar ----- */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 72px;
}

.filter-pill {
  font-family: var(--font-sans-jp);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 10px 22px;
  background: transparent;
  color: var(--color-earth-green);
  border: 1px solid rgba(15, 110, 86, 0.3);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.3s var(--ease-out-soft);
  white-space: nowrap;
}

.filter-pill:hover {
  border-color: var(--color-earth-green);
  background: rgba(15, 110, 86, 0.05);
}

.filter-pill.is-active {
  background: var(--color-deep-green);
  color: var(--color-cream);
  border-color: var(--color-deep-green);
}

.filter-pill.is-active:hover {
  background: var(--color-earth-green);
}

/* ----- Shops grid ----- */

.shops-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 32px;
}

.shop-card {
  background: #FFFFFF;
  border: 1px solid rgba(15, 110, 86, 0.12);
  border-radius: 4px;
  overflow: hidden;
  transition:
    transform 0.45s var(--ease-out-soft),
    box-shadow 0.45s var(--ease-out-soft),
    opacity 0.4s var(--ease-out-soft);
  display: flex;
  flex-direction: column;
}

.shop-card.is-hidden {
  display: none;
}

.shop-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(4, 52, 44, 0.08);
}

.shop-card-image {
  position: relative;
  aspect-ratio: 3 / 2;
  background: linear-gradient(135deg, #E8E0D0, #D5C9B2);
  overflow: hidden;
  border-bottom: 1px solid var(--color-gold);
  transition: filter 0.5s var(--ease-out-soft);
}

.shop-card:hover .shop-card-image {
  filter: brightness(1.04);
}

/* Category-based placeholder colors (until real images are provided) */
.shop-card-image[data-cat="cosme"]    { background: linear-gradient(135deg, #C9D4B8, #A8BCA0); }
.shop-card-image[data-cat="food"]     { background: linear-gradient(135deg, #ECD9B4, #D6BC8A); }
.shop-card-image[data-cat="apparel"]  { background: linear-gradient(135deg, #E4CDC2, #C9AC9E); }
.shop-card-image[data-cat="craft"]    { background: linear-gradient(135deg, #D9B89A, #B8916F); }
.shop-card-image[data-cat="candle"]   { background: linear-gradient(135deg, #EBDCB8, #CFB785); }
.shop-card-image[data-cat="service"]  { background: linear-gradient(135deg, #C4C8BD, #9FA59A); }
.shop-card-image[data-cat="art"]      { background: linear-gradient(135deg, #C8BBC4, #A697A4); }
.shop-card-image[data-cat="farm"]     { background: linear-gradient(135deg, #B9C8A0, #8FA67A); }
.shop-card-image[data-cat="recycle"]  { background: linear-gradient(135deg, #C7C1B0, #A39E8B); }

/* Subtle texture overlay on image placeholders */
.shop-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 70% 70%, rgba(255,255,255,0.18) 0%, transparent 50%),
    radial-gradient(circle at 30% 30%, rgba(4,52,44,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.shop-card-body {
  padding: 28px 28px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.shop-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 11px;
  letter-spacing: 0.18em;
}

.shop-card-number {
  font-family: var(--font-display-en);
  font-style: italic;
  font-weight: 500;
  color: var(--color-gold);
  letter-spacing: 0.15em;
}

.shop-card-category {
  color: var(--color-earth-green);
  text-transform: none;
  font-weight: 500;
  position: relative;
  padding-left: 14px;
}

.shop-card-category::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 1px;
  background: var(--color-earth-green);
  opacity: 0.5;
}

.shop-card-name {
  font-family: var(--font-serif-jp);
  font-weight: 500;
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  color: var(--color-deep-green);
  line-height: 1.5;
  margin-bottom: 0;
}

.shop-card-accent {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-earth-green);
  opacity: 0.4;
  margin: 14px 0;
}

.shop-card-desc {
  font-family: var(--font-sans-jp);
  font-size: 0.88rem;
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: 0.04em;
  color: var(--color-text-mid);
  flex: 1;
  margin-bottom: 24px;
}

.shop-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 18px;
  border-top: 1px solid rgba(15, 110, 86, 0.1);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.shop-card-area {
  color: var(--color-text-mid);
  font-weight: 500;
}

.shop-card-area::before {
  content: '◦ ';
  color: var(--color-gold);
}

.shop-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-earth-green);
  font-weight: 500;
  transition: gap 0.3s var(--ease-out-soft), color 0.3s var(--ease-out-soft);
}

.shop-card-link:hover {
  color: var(--color-deep-green);
  gap: 10px;
}

.shop-card-link span {
  transition: transform 0.3s var(--ease-out-soft);
}

.shop-card-link:hover span {
  transform: translateX(2px);
}

/* Stagger fade-in for cards */
.shops-grid [data-fade]:nth-child(1)  { transition-delay: 0s; }
.shops-grid [data-fade]:nth-child(2)  { transition-delay: 0.08s; }
.shops-grid [data-fade]:nth-child(3)  { transition-delay: 0.16s; }
.shops-grid [data-fade]:nth-child(4)  { transition-delay: 0s; }
.shops-grid [data-fade]:nth-child(5)  { transition-delay: 0.08s; }
.shops-grid [data-fade]:nth-child(6)  { transition-delay: 0.16s; }
.shops-grid [data-fade]:nth-child(7)  { transition-delay: 0s; }
.shops-grid [data-fade]:nth-child(8)  { transition-delay: 0.08s; }
.shops-grid [data-fade]:nth-child(9)  { transition-delay: 0.16s; }

/* ----- Empty state ----- */

.shops-empty {
  text-align: center;
  padding: 80px 24px;
  background: rgba(245, 239, 230, 0.5);
  border: 1px dashed rgba(15, 110, 86, 0.25);
  border-radius: 4px;
  margin-bottom: 32px;
}

.shops-empty[hidden] {
  display: none;
}

.shops-empty-text {
  font-family: var(--font-serif-jp);
  font-size: 1.05rem;
  color: var(--color-text-mid);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.link-underline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans-jp);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-earth-green);
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--color-gold);
  padding-bottom: 4px;
  transition: color 0.3s var(--ease-out-soft);
}

.link-underline:hover {
  color: var(--color-deep-green);
}

.shops-note {
  text-align: center;
  font-family: var(--font-sans-jp);
  font-size: 11px;
  color: var(--color-text-mid);
  opacity: 0.7;
  margin-top: 24px;
  letter-spacing: 0.08em;
}

/* ==========================================================
   Section: Official Partners
   ========================================================== */

.partners {
  position: relative;
  padding: 140px 0 160px;
  background: var(--color-warm-beige);
  color: var(--color-text-dark);
  overflow: hidden;
}

.partners::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--color-gold) 50%,
    transparent 100%
  );
  opacity: 0.5;
}

.partners-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 48px;
  position: relative;
}

.eyebrow-mark {
  display: inline-block;
  color: var(--color-gold);
  font-size: 10px;
  vertical-align: middle;
  margin-right: 6px;
  transform: translateY(-1px);
}

/* ----- Partner Grid ----- */

.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: start;
  gap: 36px;
  margin-bottom: 80px;
}

.partner-card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--color-gold);
  padding: 56px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  transition: all 0.45s var(--ease-out-soft);
  /* corner accents */
}

.partner-card::before,
.partner-card::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--color-gold);
  border-style: solid;
  transition: all 0.45s var(--ease-out-soft);
}

.partner-card::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
}

.partner-card::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 1px 1px 0;
}

.partner-card.is-placeholder {
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(201, 169, 97, 0.4);
}

.partner-card.is-placeholder::before,
.partner-card.is-placeholder::after {
  border-color: rgba(201, 169, 97, 0.5);
}

.partner-card:hover {
  background: #FFFFFF;
  border-color: var(--color-gold);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(201, 169, 97, 0.18);
}

.partner-card:hover::before,
.partner-card:hover::after {
  border-color: var(--color-gold);
  width: 20px;
  height: 20px;
}

.partner-card-logo {
  width: 84px;
  height: 84px;
  border: 1px solid rgba(201, 169, 97, 0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  transition: border-color 0.4s var(--ease-out-soft);
}

.partner-card:hover .partner-card-logo {
  border-color: var(--color-gold);
}

.partner-card-mark {
  font-family: var(--font-display-en);
  font-size: 26px;
  color: var(--color-gold);
  font-style: italic;
  line-height: 1;
}

.partner-card-status {
  font-family: var(--font-display-en);
  font-style: italic;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-mid);
  margin-bottom: 14px;
  letter-spacing: 0.12em;
}

.partner-card-quote {
  font-family: var(--font-serif-jp);
  font-size: 12px;
  color: var(--color-text-mid);
  opacity: 0.75;
  letter-spacing: 0.06em;
}

/* "ともに歩む" メッセージに合わせて、3社が同時に立ち上がる演出 */
.partners-grid [data-fade] {
  transition-delay: 0s;
}

/* ----- Partners CTA ----- */

.partners-cta {
  text-align: center;
  padding-top: 56px;
  border-top: 1px solid rgba(201, 169, 97, 0.25);
  max-width: 640px;
  margin: 0 auto;
}

.partners-cta-text {
  font-family: var(--font-serif-jp);
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  font-weight: 500;
  color: var(--color-deep-green);
  margin-bottom: 28px;
  letter-spacing: 0.08em;
  line-height: 1.7;
}

/* ==========================================================
   Section: Supporters (応援する企業)
   ========================================================== */

.supporters {
  position: relative;
  padding: 120px 0 140px;
  background: var(--color-cream);
  color: var(--color-text-dark);
}

.supporters-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 48px;
  position: relative;
}

/* ----- Supporters Grid ----- */

.supporters-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.supporter-card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid rgba(15, 110, 86, 0.15);
  border-radius: 2px;
  padding: 36px 20px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  transition: all 0.4s var(--ease-out-soft);
}

.supporter-card.is-placeholder {
  background: rgba(255, 255, 255, 0.5);
  border-color: rgba(15, 110, 86, 0.12);
}

.supporter-card:hover {
  background: #FFFFFF;
  border-color: var(--color-earth-green);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15, 110, 86, 0.1);
}

.supporter-card-mark {
  font-family: var(--font-display-en);
  font-size: 28px;
  color: var(--color-earth-green);
  opacity: 0.5;
  margin-bottom: 14px;
  line-height: 1;
  transition: opacity 0.4s var(--ease-out-soft);
}

.supporter-card:hover .supporter-card-mark {
  opacity: 0.85;
}

.supporter-card-name {
  font-family: var(--font-display-en);
  font-size: 12px;
  font-style: italic;
  font-weight: 500;
  color: var(--color-text-mid);
  letter-spacing: 0.2em;
  opacity: 0.75;
}

/* Stagger fade-in: 2-row pattern */
.supporters-grid [data-fade]:nth-child(1) { transition-delay: 0s; }
.supporters-grid [data-fade]:nth-child(2) { transition-delay: 0.08s; }
.supporters-grid [data-fade]:nth-child(3) { transition-delay: 0.16s; }
.supporters-grid [data-fade]:nth-child(4) { transition-delay: 0.24s; }
.supporters-grid [data-fade]:nth-child(5) { transition-delay: 0.1s; }
.supporters-grid [data-fade]:nth-child(6) { transition-delay: 0.18s; }
.supporters-grid [data-fade]:nth-child(7) { transition-delay: 0.26s; }
.supporters-grid [data-fade]:nth-child(8) { transition-delay: 0.34s; }

.supporters-note {
  text-align: center;
  font-family: var(--font-serif-jp);
  font-size: 13px;
  color: var(--color-text-mid);
  opacity: 0.7;
  letter-spacing: 0.1em;
  margin-top: 0;
}

/* ==========================================================
   Section: For Shops (Register CTA) — Dark Section
   ========================================================== */

.for-shops {
  position: relative;
  padding: 140px 0 160px;
  background: var(--color-deep-green);
  color: var(--color-cream);
  overflow: hidden;
}

/* 装飾的な背景効果 */
.for-shops::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(15, 110, 86, 0.4) 0%,
    transparent 60%
  );
  pointer-events: none;
  opacity: 0.5;
}

.for-shops::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(201, 169, 97, 0.12) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.for-shops-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 48px;
  position: relative;
  z-index: 1;
}

/* ----- Header on dark ----- */

.section-title.on-dark {
  color: var(--color-cream);
}

.section-eyebrow.on-dark {
  color: var(--color-gold);
}

.section-divider.on-dark {
  background: var(--color-gold);
}

.section-lead.on-dark {
  color: var(--color-light-mint);
  opacity: 0.85;
}

.for-shops-header {
  margin-bottom: 96px;
}

/* ----- 3 Steps ----- */

.steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 24px;
  margin-bottom: 96px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.step {
  text-align: center;
  padding: 0 16px;
}

.step-number {
  display: inline-block;
  font-family: var(--font-display-en);
  font-size: 56px;
  font-weight: 400;
  font-style: italic;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.step-body {
  position: relative;
  padding-top: 20px;
}

.step-body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 1px;
  background: var(--color-gold);
  opacity: 0.6;
}

.step-title {
  font-family: var(--font-serif-jp);
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  color: var(--color-cream);
  margin-bottom: 16px;
  line-height: 1.5;
}

.step-desc {
  font-family: var(--font-sans-jp);
  font-size: 0.88rem;
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--color-light-mint);
  opacity: 0.85;
}

.step-connector {
  display: block;
  width: 32px;
  height: 1px;
  background: rgba(201, 169, 97, 0.4);
  margin-top: 48px;
  position: relative;
}

.step-connector::after {
  content: '';
  position: absolute;
  right: -4px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-top: 1px solid rgba(201, 169, 97, 0.6);
  border-right: 1px solid rgba(201, 169, 97, 0.6);
  transform: translateY(-50%) rotate(45deg);
}

.steps [data-fade] {
  transition-delay: 0s;
}

/* ----- Benefits ----- */

.benefits {
  max-width: 720px;
  margin: 0 auto 96px;
  padding: 56px 48px;
  background: rgba(15, 110, 86, 0.15);
  border: 1px solid rgba(201, 169, 97, 0.2);
  border-radius: 4px;
  position: relative;
}

.benefits::before,
.benefits::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--color-gold);
  border-style: solid;
  opacity: 0.6;
}

.benefits::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
}

.benefits::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 1px 1px 0;
}

.benefits-eyebrow {
  text-align: center;
  font-family: var(--font-serif-jp);
  font-size: 14px;
  color: var(--color-gold);
  letter-spacing: 0.12em;
  margin-bottom: 36px;
}

.benefits-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 36px;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-family: var(--font-sans-jp);
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--color-cream);
}

.benefit-item:last-child {
  grid-column: 1 / -1;
  justify-self: center;
}

.benefit-mark {
  flex-shrink: 0;
  color: var(--color-gold);
  font-size: 14px;
  line-height: 1.6;
}

.benefits-list [data-fade]:nth-child(1) { transition-delay: 0s; }
.benefits-list [data-fade]:nth-child(2) { transition-delay: 0.06s; }
.benefits-list [data-fade]:nth-child(3) { transition-delay: 0.12s; }
.benefits-list [data-fade]:nth-child(4) { transition-delay: 0.18s; }
.benefits-list [data-fade]:nth-child(5) { transition-delay: 0.24s; }

/* ----- Large CTA Button ----- */

.for-shops-cta {
  text-align: center;
}

.btn-large {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 22px 56px;
  font-family: var(--font-sans-jp);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--color-deep-green);
  background: var(--color-gold);
  border-radius: 999px;
  transition: all 0.4s var(--ease-out-soft);
  position: relative;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.btn-large::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 0%,
    rgba(255, 255, 255, 0.25) 50%,
    transparent 100%
  );
  transform: translateX(-100%);
  transition: transform 0.8s var(--ease-out-soft);
}

.btn-large:hover {
  background: var(--color-gold-hover);
  transform: translateY(-3px);
  box-shadow: 0 18px 44px rgba(201, 169, 97, 0.35);
}

.btn-large:hover::before {
  transform: translateX(100%);
}

.btn-large-arrow {
  font-size: 18px;
  transition: transform 0.4s var(--ease-out-soft);
}

.btn-large:hover .btn-large-arrow {
  transform: translateX(6px);
}

.for-shops-cta-note {
  font-family: var(--font-sans-jp);
  font-size: 12px;
  font-weight: 300;
  color: var(--color-light-mint);
  letter-spacing: 0.1em;
  margin-top: 28px;
  opacity: 0.7;
}

.for-shops-cta-note span {
  color: var(--color-gold);
  margin: 0 4px;
}

/* ==========================================================
   Section: For Partners (Sponsorship)
   ========================================================== */

.for-partners {
  position: relative;
  padding: 140px 0 160px;
  background: var(--color-cream);
  color: var(--color-text-dark);
  overflow: hidden;
}

.for-partners::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--color-gold) 50%,
    transparent 100%
  );
  opacity: 0.5;
}

.for-partners-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 48px;
  position: relative;
}

/* ----- Quote ----- */

.for-partners-quote {
  text-align: center;
  margin: 0 auto 96px;
  max-width: 720px;
  padding: 56px 32px;
  position: relative;
}

.quote-mark {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display-en);
  font-size: 72px;
  font-style: italic;
  color: var(--color-gold);
  opacity: 0.4;
  line-height: 1;
}

.for-partners-quote p {
  font-family: var(--font-serif-jp);
  font-weight: 500;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 2.1;
  letter-spacing: 0.08em;
  color: var(--color-deep-green);
}

.quote-divider {
  font-family: var(--font-display-en);
  font-size: 14px !important;
  color: var(--color-gold) !important;
  opacity: 0.6;
  margin: 24px 0 !important;
  letter-spacing: 0 !important;
}

/* ----- Participation Options ----- */

.participation-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: stretch;
  gap: 36px;
  margin-bottom: 96px;
}

.option-card {
  position: relative;
  background: #FFFFFF;
  padding: 56px 40px 48px;
  display: flex;
  flex-direction: column;
  transition: all 0.45s var(--ease-out-soft);
  border: 1px solid;
  border-radius: 2px;
}

/* Tier 01: Partner — ゴールド系 */
.option-card-partner {
  border-color: rgba(201, 169, 97, 0.5);
}

.option-card-partner::before,
.option-card-partner::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--color-gold);
  border-style: solid;
  transition: all 0.45s var(--ease-out-soft);
}

.option-card-partner::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
}

.option-card-partner::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 1px 1px 0;
}

.option-card-partner:hover {
  border-color: var(--color-gold);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(201, 169, 97, 0.18);
}

.option-card-partner:hover::before,
.option-card-partner:hover::after {
  width: 24px;
  height: 24px;
}

/* Tier 02: Supporter — グリーン系 */
.option-card-supporter {
  border-color: rgba(15, 110, 86, 0.25);
}

.option-card-supporter:hover {
  border-color: var(--color-earth-green);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(15, 110, 86, 0.12);
}

.option-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.option-card-mark {
  font-family: var(--font-display-en);
  font-size: 24px;
  line-height: 1;
}

.option-card-partner .option-card-mark {
  color: var(--color-gold);
}

.option-card-supporter .option-card-mark {
  color: var(--color-earth-green);
}

.option-card-tier {
  font-family: var(--font-display-en);
  font-style: italic;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--color-text-mid);
  text-transform: uppercase;
}

.option-card-title {
  font-family: var(--font-serif-jp);
  font-weight: 500;
  font-size: 1.35rem;
  letter-spacing: 0.06em;
  color: var(--color-deep-green);
  line-height: 1.4;
  margin-bottom: 12px;
}

.option-card-tagline {
  font-family: var(--font-serif-jp);
  font-size: 13px;
  color: var(--color-text-mid);
  letter-spacing: 0.12em;
  margin-bottom: 28px;
}

.option-card-accent {
  display: block;
  width: 32px;
  height: 1px;
  margin-bottom: 28px;
}

.option-card-partner .option-card-accent {
  background: var(--color-gold);
}

.option-card-supporter .option-card-accent {
  background: var(--color-earth-green);
  opacity: 0.6;
}

.option-card-features {
  list-style: none;
  padding: 0;
}

.option-card-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-family: var(--font-sans-jp);
  font-size: 0.92rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--color-text-dark);
  margin-bottom: 14px;
}

.option-card-features li:last-child {
  margin-bottom: 0;
}

.option-card-features li span {
  flex-shrink: 0;
  font-size: 11px;
  line-height: 1.7;
}

.option-card-partner .option-card-features li span {
  color: var(--color-gold);
}

.option-card-supporter .option-card-features li span {
  color: var(--color-earth-green);
}

.participation-options [data-fade] {
  transition-delay: 0s;
}

/* ----- Dark CTA Button (reversed) ----- */

.for-partners-cta {
  text-align: center;
}

.btn-large-dark {
  background: var(--color-deep-green);
  color: var(--color-cream);
}

.btn-large-dark:hover {
  background: var(--color-earth-green);
  box-shadow: 0 18px 44px rgba(4, 52, 44, 0.3);
}

.btn-large-dark::before {
  background: linear-gradient(
    105deg,
    transparent 0%,
    rgba(201, 169, 97, 0.25) 50%,
    transparent 100%
  );
}

.for-partners-cta-note {
  font-family: var(--font-serif-jp);
  font-size: 12px;
  color: var(--color-text-mid);
  letter-spacing: 0.1em;
  margin-top: 24px;
  opacity: 0.75;
}

/* ==========================================================
   Section: Ecosystem (6事業)
   ========================================================== */

.ecosystem {
  position: relative;
  padding: 140px 0 160px;
  background: var(--color-warm-beige);
  color: var(--color-text-dark);
  overflow: hidden;
}

.ecosystem::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--color-gold) 50%,
    transparent 100%
  );
  opacity: 0.5;
}

.ecosystem-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
  position: relative;
}

/* ----- Ecosystem Grid ----- */

.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 80px;
}

.ecosystem-card {
  position: relative;
  background: #FFFFFF;
  padding: 36px 28px 32px;
  border: 1px solid rgba(15, 110, 86, 0.12);
  border-radius: 2px;
  transition: all 0.4s var(--ease-out-soft);
  display: flex;
  flex-direction: column;
}

.ecosystem-card:hover {
  border-color: var(--color-earth-green);
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(4, 52, 44, 0.08);
}

/* Current location card */
.ecosystem-card.is-current {
  background: var(--color-deep-green);
  border-color: var(--color-gold);
  color: var(--color-cream);
}

.ecosystem-card.is-current::before,
.ecosystem-card.is-current::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--color-gold);
  border-style: solid;
  transition: all 0.4s var(--ease-out-soft);
}

.ecosystem-card.is-current::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
}

.ecosystem-card.is-current::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 1px 1px 0;
}

.ecosystem-card.is-current:hover {
  background: var(--color-deep-green);
  border-color: var(--color-gold);
  box-shadow: 0 18px 44px rgba(4, 52, 44, 0.25);
}

.ecosystem-card.is-current:hover::before,
.ecosystem-card.is-current:hover::after {
  width: 20px;
  height: 20px;
}

/* "You are here" marker */
.ecosystem-card-marker {
  position: absolute;
  top: 18px;
  right: 18px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ecosystem-card-marker::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-gold);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(201, 169, 97, 0.25);
  animation: pulseSoft 2.4s ease-in-out infinite;
}

.ecosystem-card-marker span {
  font-family: var(--font-display-en);
  font-style: italic;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--color-gold);
}

@keyframes pulseSoft {
  0%, 100% {
    box-shadow: 0 0 0 4px rgba(201, 169, 97, 0.25);
  }
  50% {
    box-shadow: 0 0 0 7px rgba(201, 169, 97, 0.1);
  }
}

/* Card content */
.ecosystem-card-number {
  display: block;
  font-family: var(--font-display-en);
  font-size: 32px;
  font-weight: 400;
  font-style: italic;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.ecosystem-card-tag {
  display: inline-block;
  font-family: var(--font-display-en);
  font-style: italic;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-earth-green);
  padding: 4px 10px;
  border: 1px solid rgba(15, 110, 86, 0.3);
  border-radius: 999px;
  margin-bottom: 18px;
  align-self: flex-start;
}

.ecosystem-card.is-current .ecosystem-card-tag {
  color: var(--color-gold);
  border-color: rgba(201, 169, 97, 0.5);
  background: rgba(201, 169, 97, 0.08);
}

.ecosystem-card-tag.tag-independent {
  color: var(--color-bronze);
  border-color: rgba(156, 118, 81, 0.4);
  background: rgba(156, 118, 81, 0.04);
}

/* Independent card hover: bronze frame */
.ecosystem-card.is-independent:hover {
  border-color: var(--color-bronze);
  box-shadow: 0 14px 36px rgba(156, 118, 81, 0.15);
}

.ecosystem-card.is-independent .ecosystem-card-accent {
  background: var(--color-bronze);
  opacity: 0.5;
}

.ecosystem-card-domain {
  font-family: var(--font-display-en);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-deep-green);
  line-height: 1.3;
  margin-bottom: 8px;
  word-break: break-all;
}

.ecosystem-card.is-current .ecosystem-card-domain {
  color: var(--color-cream);
}

.ecosystem-card-name-jp {
  font-family: var(--font-serif-jp);
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  color: var(--color-text-mid);
  margin-bottom: 0;
}

.ecosystem-card.is-current .ecosystem-card-name-jp {
  color: var(--color-light-mint);
  opacity: 0.85;
}

.ecosystem-card-accent {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-earth-green);
  opacity: 0.4;
  margin: 18px 0;
}

.ecosystem-card.is-current .ecosystem-card-accent {
  background: var(--color-gold);
  opacity: 0.6;
}

.ecosystem-card-desc {
  font-family: var(--font-sans-jp);
  font-size: 0.85rem;
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: 0.04em;
  color: var(--color-text-mid);
}

.ecosystem-card.is-current .ecosystem-card-desc {
  color: var(--color-light-mint);
  opacity: 0.85;
}

/* Stagger fade-in (2 rows of 3) */
.ecosystem-grid [data-fade]:nth-child(1) { transition-delay: 0s; }
.ecosystem-grid [data-fade]:nth-child(2) { transition-delay: 0.08s; }
.ecosystem-grid [data-fade]:nth-child(3) { transition-delay: 0.16s; }
.ecosystem-grid [data-fade]:nth-child(4) { transition-delay: 0.1s; }
.ecosystem-grid [data-fade]:nth-child(5) { transition-delay: 0.18s; }
.ecosystem-grid [data-fade]:nth-child(6) { transition-delay: 0.26s; }

/* ----- Parent Site Link ----- */

.ecosystem-parent {
  text-align: center;
  padding-top: 56px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.ecosystem-parent-line {
  display: block;
  width: 1px;
  height: 32px;
  background: var(--color-gold);
  opacity: 0.6;
  margin-bottom: 8px;
}

.ecosystem-parent-label {
  font-family: var(--font-display-en);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-mid);
  margin-bottom: 4px;
}

.ecosystem-parent-link {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  transition: opacity 0.3s var(--ease-out-soft);
}

.ecosystem-parent-link:hover {
  opacity: 0.75;
}

.ecosystem-parent-name {
  font-family: var(--font-serif-jp);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-deep-green);
}

.ecosystem-parent-url {
  font-family: var(--font-display-en);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--color-gold);
}

.ecosystem-parent-url span {
  transition: transform 0.3s var(--ease-out-soft);
  display: inline-block;
}

.ecosystem-parent-link:hover .ecosystem-parent-url span {
  transform: translateX(3px);
}

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

.site-footer {
  position: relative;
  background: var(--color-deep-green);
  color: var(--color-cream);
  padding: 96px 0 40px;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 1px;
  background: var(--color-gold);
  opacity: 0.6;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
}

/* ----- Brand block ----- */

.footer-brand {
  text-align: center;
  margin-bottom: 64px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-cream);
  margin-bottom: 20px;
  transition: opacity 0.3s var(--ease-out-soft);
}

.footer-logo:hover {
  opacity: 0.85;
}

.footer-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-gold);
  color: var(--color-deep-green);
  font-family: var(--font-display-en);
  font-size: 22px;
  font-weight: 500;
  font-style: italic;
  border-radius: 50%;
  line-height: 1;
  padding-bottom: 2px;
}

.footer-logo-text {
  font-family: var(--font-display-en);
  font-size: 22px;
  letter-spacing: 0.015em;
  font-weight: 500;
  line-height: 1;
}

.footer-logo-dot {
  color: var(--color-gold);
}

.footer-eyebrow {
  font-family: var(--font-display-en);
  font-size: 11px;
  font-style: italic;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-gold);
  opacity: 0.85;
  margin-bottom: 16px;
}

.footer-tagline {
  font-family: var(--font-serif-jp);
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-cream);
  opacity: 0.9;
}

/* ----- Divider ----- */

.footer-divider {
  display: block;
  width: 100%;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent 0%,
    rgba(201, 169, 97, 0.3) 30%,
    rgba(201, 169, 97, 0.3) 70%,
    transparent 100%
  );
  margin: 0;
}

/* ----- 3 Columns ----- */

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  padding: 56px 0;
}

.footer-column-title {
  font-family: var(--font-display-en);
  font-style: italic;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 24px;
  opacity: 0.9;
}

.footer-list {
  list-style: none;
  padding: 0;
}

.footer-list li {
  font-family: var(--font-sans-jp);
  font-size: 0.88rem;
  font-weight: 300;
  line-height: 2;
  letter-spacing: 0.05em;
  color: var(--color-light-mint);
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.footer-list-label {
  font-family: var(--font-display-en);
  font-style: italic;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--color-gold);
  text-transform: uppercase;
  opacity: 0.7;
  flex-shrink: 0;
}

.footer-list a {
  color: var(--color-light-mint);
  position: relative;
  transition: color 0.3s var(--ease-out-soft);
}

.footer-list a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width 0.35s var(--ease-out-soft);
}

.footer-list a:hover {
  color: var(--color-cream);
}

.footer-list a:hover::after {
  width: 100%;
}

/* ----- SNS ----- */

.footer-sns {
  display: flex;
  gap: 14px;
  margin-top: 20px;
}

.footer-sns-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(201, 169, 97, 0.35);
  border-radius: 50%;
  color: var(--color-light-mint);
  transition: all 0.4s var(--ease-out-soft);
}

.footer-sns-link:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-2px);
}

/* ----- Bottom (copyright + legal + back to top) ----- */

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 32px;
}

.footer-copyright {
  font-family: var(--font-display-en);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--color-light-mint);
  opacity: 0.65;
  margin: 0;
}

.footer-legal {
  display: flex;
  gap: 24px;
  list-style: none;
  padding: 0;
}

.footer-legal a {
  font-family: var(--font-sans-jp);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--color-light-mint);
  opacity: 0.7;
  transition: opacity 0.3s var(--ease-out-soft);
}

.footer-legal a:hover {
  opacity: 1;
  color: var(--color-gold);
}

.footer-back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display-en);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--color-gold);
  opacity: 0.85;
  transition: opacity 0.3s var(--ease-out-soft);
}

.footer-back-to-top:hover {
  opacity: 1;
}

.footer-back-to-top-arrow {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 1px solid var(--color-gold);
  border-radius: 50%;
  font-size: 11px;
  line-height: 18px;
  text-align: center;
  transition: transform 0.35s var(--ease-out-soft);
}

.footer-back-to-top:hover .footer-back-to-top-arrow {
  transform: translateY(-3px);
}

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

/* Tablet */
@media (max-width: 1024px) {
  .header-inner {
    padding: 0 36px;
  }

  .hero-content {
    padding: 0 36px;
  }

  .hero-scroll {
    right: 36px;
  }

  .hero-meta {
    left: 36px;
  }

  .site-nav {
    gap: 28px;
  }

  /* Values */
  .values {
    padding: 100px 0 120px;
  }

  .values-inner {
    padding: 0 36px;
  }

  .values-grid {
    gap: 48px;
  }

  .section-header {
    margin-bottom: 72px;
  }

  /* Shops */
  .shops {
    padding: 100px 0 120px;
  }

  .shops-inner {
    padding: 0 36px;
  }

  .shops-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .shops-grid [data-fade]:nth-child(odd)  { transition-delay: 0s; }
  .shops-grid [data-fade]:nth-child(even) { transition-delay: 0.1s; }

  /* Partners */
  .partners {
    padding: 100px 0 120px;
  }

  .partners-inner {
    padding: 0 36px;
  }

  .partners-grid {
    gap: 24px;
  }

  .partner-card {
    padding: 40px 20px;
  }

  /* Supporters */
  .supporters {
    padding: 90px 0 100px;
  }

  .supporters-inner {
    padding: 0 36px;
  }

  .supporters-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .supporter-card {
    padding: 28px 14px 24px;
  }

  .supporter-card-mark {
    font-size: 24px;
  }

  /* For Shops */
  .for-shops {
    padding: 100px 0 120px;
  }

  .for-shops-inner {
    padding: 0 36px;
  }

  .for-shops-header {
    margin-bottom: 72px;
  }

  .steps {
    gap: 12px;
    margin-bottom: 72px;
  }

  .step {
    padding: 0 8px;
  }

  .step-number {
    font-size: 44px;
  }

  .step-connector {
    width: 20px;
  }

  .benefits {
    padding: 48px 36px;
    margin-bottom: 72px;
  }

  /* For Partners */
  .for-partners {
    padding: 100px 0 120px;
  }

  .for-partners-inner {
    padding: 0 36px;
  }

  .for-partners-quote {
    padding: 48px 24px;
    margin-bottom: 72px;
  }

  .participation-options {
    gap: 24px;
    margin-bottom: 72px;
  }

  .option-card {
    padding: 44px 32px 40px;
  }

  /* Ecosystem */
  .ecosystem {
    padding: 100px 0 120px;
  }

  .ecosystem-inner {
    padding: 0 36px;
  }

  .ecosystem-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .ecosystem-card {
    padding: 32px 24px;
  }

  .ecosystem-grid [data-fade]:nth-child(odd)  { transition-delay: 0s; }
  .ecosystem-grid [data-fade]:nth-child(even) { transition-delay: 0.1s; }

  /* Footer */
  .site-footer {
    padding: 80px 0 36px;
  }

  .footer-inner {
    padding: 0 36px;
  }

  .footer-columns {
    gap: 36px;
    padding: 48px 0;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .site-header {
    padding: 20px 0;
  }

  .site-header.is-scrolled {
    padding: 14px 0;
  }

  .header-inner {
    padding: 0 24px;
  }

  .site-nav {
    display: none;
  }

  .logo-text {
    font-size: 17px;
  }

  .logo-mark {
    width: 30px;
    height: 30px;
    font-size: 19px;
  }

  .hero {
    min-height: 100vh;
    padding-top: 80px;
    padding-bottom: 100px;
  }

  .hero-image-inner {
    background-position: center;
  }

  .hero-overlay {
    background:
      linear-gradient(
        180deg,
        rgba(4, 52, 44, 0.75) 0%,
        rgba(4, 52, 44, 0.55) 50%,
        rgba(4, 52, 44, 0.7) 100%
      );
  }

  .hero-content {
    padding: 0 24px;
  }

  .hero-eyebrow {
    font-size: 11px;
    letter-spacing: 0.28em;
    margin-bottom: 24px;
  }

  .hero-title {
    font-size: clamp(1.85rem, 7.5vw, 2.4rem);
    letter-spacing: 0.03em;
    margin-bottom: 24px;
  }

  .hero-accent {
    width: 48px;
    margin-bottom: 24px;
  }

  .hero-subtitle {
    font-size: 1rem;
    line-height: 1.85;
    margin-bottom: 36px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .btn {
    width: 100%;
    padding: 16px 28px;
  }

  .hero-meta {
    left: 24px;
    bottom: 32px;
  }

  .hero-meta-line {
    width: 28px;
  }

  .hero-scroll {
    display: none;
  }

  /* Values */
  .values {
    padding: 80px 0 96px;
  }

  .values::before {
    height: 60px;
  }

  .values-inner {
    padding: 0 24px;
  }

  .section-header {
    margin-bottom: 56px;
  }

  .section-title {
    font-size: 1.6rem;
    letter-spacing: 0.08em;
  }

  .section-eyebrow {
    font-size: 11px;
    letter-spacing: 0.3em;
    margin-bottom: 22px;
  }

  .values-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .value-item {
    text-align: center;
  }

  .value-title::after {
    margin-left: auto;
    margin-right: auto;
  }

  .value-number {
    font-size: 38px;
  }

  .value-title {
    font-size: 1.25rem;
  }

  .value-text br {
    display: none;
  }

  /* Shops */
  .shops {
    padding: 80px 0 96px;
  }

  .shops-inner {
    padding: 0 24px;
  }

  .section-lead {
    font-size: 0.9rem;
    margin-top: 24px;
  }

  .section-lead br {
    display: none;
  }

  .filter-bar {
    gap: 8px;
    margin-bottom: 48px;
  }

  .filter-pill {
    font-size: 12px;
    padding: 8px 16px;
    letter-spacing: 0.06em;
  }

  .shops-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 24px;
  }

  .shops-grid [data-fade] {
    transition-delay: 0s !important;
  }

  .shop-card-body {
    padding: 24px;
  }

  .shop-card-name {
    font-size: 1.1rem;
  }

  .shops-empty {
    padding: 56px 20px;
  }

  /* Partners */
  .partners {
    padding: 80px 0 96px;
  }

  .partners::before {
    height: 60px;
  }

  .partners-inner {
    padding: 0 24px;
  }

  .partners-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 56px;
  }

  .partners-grid [data-fade] {
    transition-delay: 0s !important;
  }

  .partner-card {
    aspect-ratio: auto;
    padding: 48px 24px;
  }

  .partner-card-logo {
    width: 70px;
    height: 70px;
    margin-bottom: 24px;
  }

  .partners-cta {
    padding-top: 40px;
  }

  /* Supporters */
  .supporters {
    padding: 70px 0 80px;
  }

  .supporters-inner {
    padding: 0 24px;
  }

  .supporters-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-bottom: 40px;
  }

  .supporters-grid [data-fade] {
    transition-delay: 0s !important;
  }

  .supporter-card {
    aspect-ratio: 4 / 3;
    padding: 24px 14px;
  }

  .supporter-card-mark {
    font-size: 22px;
  }

  /* For Shops */
  .for-shops {
    padding: 80px 0 96px;
  }

  .for-shops::before,
  .for-shops::after {
    width: 300px;
    height: 300px;
  }

  .for-shops-inner {
    padding: 0 24px;
  }

  .for-shops-header {
    margin-bottom: 56px;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 64px;
  }

  .step-connector {
    width: 1px;
    height: 24px;
    margin: 0 auto;
    background: rgba(201, 169, 97, 0.4);
    transform: none;
  }

  .step-connector::after {
    right: 50%;
    bottom: -4px;
    top: auto;
    transform: translateX(50%) rotate(135deg);
  }

  .step-number {
    font-size: 48px;
    margin-bottom: 16px;
  }

  .step-body {
    padding-top: 16px;
  }

  .step-desc br {
    display: none;
  }

  .benefits {
    padding: 40px 24px;
    margin-bottom: 56px;
  }

  .benefits-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .benefit-item:last-child {
    justify-self: start;
  }

  .btn-large {
    padding: 20px 36px;
    font-size: 14px;
    width: 100%;
  }

  .for-shops-cta-note {
    font-size: 11px;
    line-height: 1.8;
  }

  /* For Partners */
  .for-partners {
    padding: 80px 0 96px;
  }

  .for-partners::before {
    height: 60px;
  }

  .for-partners-inner {
    padding: 0 24px;
  }

  .for-partners-quote {
    padding: 48px 16px;
    margin-bottom: 56px;
  }

  .for-partners-quote p {
    font-size: 1.05rem;
    line-height: 2;
  }

  .for-partners-quote p br {
    display: none;
  }

  .quote-mark {
    font-size: 56px;
  }

  .participation-options {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 56px;
  }

  .option-card {
    padding: 40px 28px 36px;
  }

  .option-card-title {
    font-size: 1.2rem;
  }

  .for-partners-cta-note {
    font-size: 11px;
  }

  /* Ecosystem */
  .ecosystem {
    padding: 80px 0 96px;
  }

  .ecosystem::before {
    height: 60px;
  }

  .ecosystem-inner {
    padding: 0 24px;
  }

  .ecosystem-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 56px;
  }

  .ecosystem-grid [data-fade] {
    transition-delay: 0s !important;
  }

  .ecosystem-card {
    padding: 28px 24px;
  }

  .ecosystem-card-marker {
    top: 14px;
    right: 14px;
  }

  .ecosystem-card-number {
    font-size: 28px;
    margin-bottom: 14px;
  }

  .ecosystem-card-domain {
    font-size: 14px;
  }

  .ecosystem-parent {
    padding-top: 40px;
  }

  .ecosystem-parent-name {
    font-size: 1.05rem;
  }

  /* Footer */
  .site-footer {
    padding: 64px 0 32px;
  }

  .footer-inner {
    padding: 0 24px;
  }

  .footer-brand {
    margin-bottom: 48px;
  }

  .footer-logo-text,
  .footer-logo-mark {
    font-size: 20px;
  }

  .footer-logo-mark {
    width: 32px;
    height: 32px;
  }

  .footer-columns {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0;
  }

  .footer-column-title {
    margin-bottom: 16px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
    padding-top: 28px;
  }

  .footer-legal {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
}

/* Small mobile */
@media (max-width: 380px) {
  .hero-title {
    font-size: 1.7rem;
  }

  .hero-subtitle br {
    display: none;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .hero-image,
  .hero-image-inner,
  .hero-eyebrow,
  .hero-line,
  .hero-accent,
  .hero-subtitle,
  .hero-actions,
  .hero-meta,
  .hero-scroll,
  [data-fade] {
    opacity: 1;
    transform: none;
  }
}
/* ==========================================================
   Shops: Loading / Error States (v2.0)
   Google Sheets 連携時に表示される一時的な状態用
   ========================================================== */

.shops-loading-state,
.shops-error-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--color-text-mid);
  font-family: var(--font-serif-jp);
  font-weight: 400;
  letter-spacing: 0.08em;
  animation: shopsFadeIn 0.4s var(--ease-out-soft) both;
}

.shops-loading-state p {
  margin: 0;
  font-size: 0.95rem;
  opacity: 0.85;
}

.shops-loading-mark {
  display: inline-block;
  font-size: 1.4rem;
  color: var(--color-gold);
  margin-bottom: 1rem;
  animation: shopsLoadingPulse 1.6s ease-in-out infinite;
}

.shops-error-state {
  color: var(--color-deep-green);
}

.shops-error-title {
  font-family: var(--font-serif-jp);
  font-size: 1.15rem;
  font-weight: 500;
  margin: 0 0 0.6rem 0;
  letter-spacing: 0.06em;
}

.shops-error-text {
  font-family: var(--font-sans-jp);
  font-size: 0.9rem;
  color: var(--color-text-mid);
  margin: 0;
}

@keyframes shopsFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes shopsLoadingPulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.15); }
}

/* ==========================================================
   Shops Card: Square Image Layout (v2.1)
   カード画像エリアを正方形に変更（800×800画像対応）
   ========================================================== */

.shop-card-image {
  aspect-ratio: 1 / 1;
}
/* ==========================================================
   Shops: 再読み込みボタン（v2.1）
   ========================================================== */

.shops-retry-btn {
  margin-top: 1.5rem;
  padding: 0.7rem 1.8rem;
  font-family: var(--font-sans-jp);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  color: var(--color-cream);
  background-color: var(--color-deep-green);
  border: none;
  border-radius: 2rem;
  cursor: pointer;
  transition: opacity 0.3s ease, transform 0.2s ease;
}

.shops-retry-btn:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}

.shops-retry-btn:active {
  transform: translateY(0);
}