/* ===== 育石堂 IKUSEKI-DŌ Mock v1 ===== */
/* Design Spec: 2026-06-12 デザイン仕様書 v1 準拠 (ダークテーマ統一) */

:root {
  /* 背景系 */
  --void: #07060A;
  --deep: #0D0B12;
  --layer: #131018;
  --surface: #1A1720;
  --faint: #201C28;
  --ghost: #16131E;
  /* アクセント系 */
  --gold: #C4A24A;
  --gold2: #E0BC60;
  --stone: #3A6348;
  --plant: #2A5038;
  --silk: #5A7A6A;
  --violet: #6A4A9A;
  --violet2: #9A70CA;
  --sound: #7A3A6A;
  --earth: #6A5030;
  /* テキスト系 */
  --washi: #DDD4C4;
  --text: #A89878;
  --dim: #504838;
  --border: rgba(196, 162, 74, .1);
  --border2: rgba(196, 162, 74, .05);
}

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

html, body {
  background: var(--void);
  color: var(--text);
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  line-height: 2.2;
  letter-spacing: 0.08em;
  -webkit-font-smoothing: antialiased;
}

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

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(7, 6, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 18px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.nav-logo-jp {
  font-family: 'Shippori Mincho', serif;
  font-weight: 600;
  color: var(--washi);
  font-size: 18px;
  letter-spacing: 0.2em;
}
.nav-logo-en {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 300;
  color: var(--gold);
  font-size: 10px;
  letter-spacing: 0.3em;
  margin-top: 2px;
}
.nav-menu {
  display: flex;
  gap: 28px;
  font-size: 12px;
  letter-spacing: 0.15em;
}
.nav-menu a {
  color: var(--text);
  transition: color 0.3s ease;
}
.nav-menu a:hover { color: var(--gold); }
.nav-cta {
  font-size: 11px;
  letter-spacing: 0.2em;
  padding: 10px 18px;
  border: 1px solid var(--gold);
  color: var(--gold);
  transition: all 0.3s ease;
}
.nav-cta:hover {
  background: var(--gold);
  color: var(--void);
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  background:
    radial-gradient(ellipse at top, rgba(196, 162, 74, 0.06), transparent 70%),
    radial-gradient(ellipse at bottom, rgba(58, 99, 72, 0.04), transparent 70%),
    var(--void);
  overflow: hidden;
}

/* オーブ (中央の宇宙球体) */
.hero-orb {
  position: relative;
  width: 260px;
  height: 260px;
  margin-bottom: 56px;
}
.orb-core {
  position: absolute;
  top: 50%; left: 50%;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, var(--violet2), var(--violet) 60%, rgba(106, 74, 154, 0.2));
  box-shadow:
    0 0 60px rgba(106, 74, 154, 0.5),
    0 0 120px rgba(196, 162, 74, 0.15);
  transform: translate(-50%, -50%);
  animation: core-pulse 7s ease-in-out infinite;
}
@keyframes core-pulse {
  0%, 100% { box-shadow: 0 0 60px rgba(106, 74, 154, 0.5), 0 0 120px rgba(196, 162, 74, 0.15); }
  50% { box-shadow: 0 0 80px rgba(106, 74, 154, 0.7), 0 0 160px rgba(196, 162, 74, 0.25); }
}
.orb-ring {
  position: absolute;
  top: 50%; left: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.orb-ring-1 {
  width: 200px; height: 200px;
  border: 1px solid rgba(196, 162, 74, 0.3);
  animation: ring-rotate 70s linear infinite;
}
.orb-ring-2 {
  width: 170px; height: 170px;
  border: 1px dashed rgba(221, 212, 196, 0.18);
  animation: ring-rotate 50s linear infinite reverse;
}
.orb-ring-3 {
  width: 240px; height: 240px;
  border: 1px solid rgba(58, 99, 72, 0.2);
  animation: ring-rotate 90s linear infinite;
}
@keyframes ring-rotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}
.orb-particle {
  position: absolute;
  top: 50%; left: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.p1 { background: var(--stone); box-shadow: 0 0 12px var(--stone); animation: orbit-1 14s linear infinite; }
.p2 { background: var(--plant); box-shadow: 0 0 12px var(--plant); animation: orbit-2 18s linear infinite; }
.p3 { background: var(--gold); box-shadow: 0 0 14px var(--gold); animation: orbit-3 11s linear infinite; }
.p4 { background: var(--violet); box-shadow: 0 0 12px var(--violet); animation: orbit-4 21s linear infinite; }
.p5 { background: var(--sound); box-shadow: 0 0 10px var(--sound); animation: orbit-5 16s linear infinite; }
.p6 { background: var(--silk); box-shadow: 0 0 10px var(--silk); animation: orbit-6 19s linear infinite; }
@keyframes orbit-1 { from { transform: translate(-50%, -50%) rotate(0deg) translateX(95px); } to { transform: translate(-50%, -50%) rotate(360deg) translateX(95px); } }
@keyframes orbit-2 { from { transform: translate(-50%, -50%) rotate(60deg) translateX(110px); } to { transform: translate(-50%, -50%) rotate(420deg) translateX(110px); } }
@keyframes orbit-3 { from { transform: translate(-50%, -50%) rotate(120deg) translateX(85px); } to { transform: translate(-50%, -50%) rotate(480deg) translateX(85px); } }
@keyframes orbit-4 { from { transform: translate(-50%, -50%) rotate(180deg) translateX(115px); } to { transform: translate(-50%, -50%) rotate(540deg) translateX(115px); } }
@keyframes orbit-5 { from { transform: translate(-50%, -50%) rotate(240deg) translateX(100px); } to { transform: translate(-50%, -50%) rotate(600deg) translateX(100px); } }
@keyframes orbit-6 { from { transform: translate(-50%, -50%) rotate(300deg) translateX(105px); } to { transform: translate(-50%, -50%) rotate(660deg) translateX(105px); } }

.hero-text {
  text-align: center;
  max-width: 800px;
}
.hero-eyebrow {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.5em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 32px;
  opacity: 0.7;
}
.hero-title {
  font-family: 'Shippori Mincho', serif;
  font-weight: 500;
  color: var(--washi);
  font-size: clamp(32px, 5.5vw, 56px);
  letter-spacing: 0.18em;
  line-height: 1.6;
  margin-bottom: 28px;
  text-shadow: 0 0 30px rgba(196, 162, 74, 0.15);
}
.hero-sub {
  font-family: 'Shippori Mincho', serif;
  font-weight: 400;
  color: var(--text);
  font-size: clamp(13px, 1.6vw, 16px);
  letter-spacing: 0.25em;
  margin-bottom: 40px;
}
.hero-meta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero-tag {
  font-size: 11px;
  letter-spacing: 0.2em;
  padding: 6px 14px;
  border: 1px solid var(--border);
  color: var(--text);
}
.hero-scroll {
  display: inline-block;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--gold);
  opacity: 0.6;
  animation: scroll-down 2.5s ease-in-out infinite;
}
@keyframes scroll-down {
  0%, 100% { transform: translateY(0); opacity: 0.6; }
  50% { transform: translateY(6px); opacity: 1; }
}

/* ===== Section Divider ===== */
.div {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
  max-width: 1200px;
  margin: 0 auto;
}

/* ===== Section Base ===== */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 48px;
}
.eyebrow {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.6em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 16px;
  opacity: 0.5;
}
.section-title {
  font-family: 'Shippori Mincho', serif;
  font-weight: 500;
  color: var(--washi);
  font-size: clamp(22px, 3.2vw, 32px);
  letter-spacing: 0.2em;
  line-height: 1.6;
  margin-bottom: 28px;
}
.section-lead {
  color: var(--text);
  font-size: 14px;
  letter-spacing: 0.12em;
  margin-bottom: 56px;
}

/* ===== About ===== */
.section-about { text-align: center; }
.about-body {
  max-width: 640px;
  margin: 0 auto 64px;
  text-align: center;
}
.about-body p {
  color: var(--text);
  font-size: 14px;
  letter-spacing: 0.12em;
  margin-bottom: 28px;
}
.about-emphasis {
  font-family: 'Shippori Mincho', serif;
  font-weight: 500;
  color: var(--washi) !important;
  font-size: 18px !important;
  letter-spacing: 0.25em !important;
  margin: 40px 0 !important;
}
.about-closing {
  color: var(--washi) !important;
  font-family: 'Shippori Mincho', serif;
  font-size: 15px !important;
  letter-spacing: 0.18em !important;
  margin-top: 48px !important;
}
.about-axes {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 56px;
  flex-wrap: wrap;
}
.axis {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 24px 32px;
  border: 1px solid var(--border);
  min-width: 160px;
}
.axis-en {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--gold);
  text-transform: uppercase;
  opacity: 0.7;
}
.axis-jp {
  font-family: 'Shippori Mincho', serif;
  font-weight: 500;
  font-size: 22px;
  letter-spacing: 0.25em;
  color: var(--washi);
}
.axis-desc {
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--text);
  margin-top: 2px;
}
.axis-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ===== Methods (6 軸育成) ===== */
.section-methods {
  background: var(--deep);
  max-width: none;
  padding-left: max(48px, calc((100vw - 1200px) / 2));
  padding-right: max(48px, calc((100vw - 1200px) / 2));
  text-align: center;
}
.methods-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  max-width: 1200px;
  margin: 0 auto;
}
.method-card {
  background: var(--layer);
  padding: 48px 32px;
  text-align: left;
  transition: background 0.4s ease;
  position: relative;
  border-top: 2px solid var(--gold);
}
.method-card:nth-child(1) { border-top-color: var(--violet); }
.method-card:nth-child(2) { border-top-color: var(--sound); }
.method-card:nth-child(3) { border-top-color: var(--silk); }
.method-card:nth-child(4) { border-top-color: var(--stone); }
.method-card:nth-child(5) { border-top-color: var(--gold); }
.method-card:nth-child(6) { border-top-color: var(--earth); }

.method-card:hover { background: var(--surface); }
.method-icon {
  font-size: 32px;
  margin-bottom: 16px;
  opacity: 0.85;
}
.method-en {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 8px;
  opacity: 0.6;
}
.method-title {
  font-family: 'Shippori Mincho', serif;
  font-weight: 500;
  color: var(--washi);
  font-size: 18px;
  letter-spacing: 0.18em;
  margin-bottom: 16px;
}
.method-desc {
  color: var(--text);
  font-size: 13px;
  letter-spacing: 0.08em;
  line-height: 1.9;
}
.methods-cta {
  text-align: center;
  margin-top: 56px;
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.2em;
  font-family: 'Shippori Mincho', serif;
}

/* ===== Shop ===== */
.section-shop { text-align: center; }
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: left;
}
.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: border-color 0.3s ease;
}
.product-card:hover { border-color: var(--gold); }
.product-image {
  background:
    radial-gradient(circle at 50% 50%, var(--faint), var(--deep));
  height: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
}
.product-image-label {
  font-family: 'Shippori Mincho', serif;
  color: var(--dim);
  font-size: 14px;
  letter-spacing: 0.3em;
}
.product-image-sub {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--dim);
  margin-top: 8px;
}
.product-body { padding: 28px 24px; }
.product-cat {
  display: block;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: 12px;
  opacity: 0.7;
}
.product-title {
  font-family: 'Shippori Mincho', serif;
  font-weight: 500;
  color: var(--washi);
  font-size: 16px;
  letter-spacing: 0.18em;
  margin-bottom: 12px;
  line-height: 1.6;
}
.product-tagline {
  color: var(--text);
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.8;
  margin-bottom: 20px;
}
.product-spec {
  list-style: none;
  margin-bottom: 24px;
  padding-left: 16px;
  border-left: 1px solid var(--border);
}
.product-spec li {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.8;
}
.product-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 20px;
}
.price-amount {
  font-family: 'Shippori Mincho', serif;
  color: var(--gold);
  font-size: 22px;
  letter-spacing: 0.1em;
}
.price-note {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--dim);
}
.product-cta-stub {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--dim);
  padding: 10px 18px;
  border: 1px dashed var(--border);
}

.product-card-placeholder {
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 56px 24px;
  background: var(--ghost);
}
.placeholder-icon {
  font-family: 'Shippori Mincho', serif;
  font-size: 48px;
  color: var(--dim);
  margin-bottom: 16px;
}
.placeholder-title {
  font-family: 'Shippori Mincho', serif;
  font-weight: 500;
  color: var(--text);
  font-size: 16px;
  letter-spacing: 0.2em;
  margin-bottom: 12px;
}
.placeholder-desc {
  color: var(--dim);
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.8;
  margin-bottom: 16px;
}
.placeholder-status {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  opacity: 0.6;
}

/* ===== Categories (8 区分) ===== */
.section-categories { text-align: center; }
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  text-align: left;
}
.cat-card {
  background: var(--layer);
  padding: 32px 24px;
  transition: background 0.3s ease;
}
.cat-card:hover { background: var(--surface); }
.cat-card.cat-active { background: var(--surface); }
.cat-id {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 12px;
  opacity: 0.7;
}
.cat-name {
  font-family: 'Shippori Mincho', serif;
  font-weight: 500;
  color: var(--washi);
  font-size: 15px;
  letter-spacing: 0.18em;
  margin-bottom: 10px;
}
.cat-desc {
  color: var(--text);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.8;
  margin-bottom: 14px;
}
.cat-status {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--dim);
  padding: 4px 10px;
  border: 1px solid var(--border);
}
.cat-card.cat-active .cat-status {
  color: var(--gold);
  border-color: var(--gold);
}

/* ===== Journey ===== */
.section-journey { text-align: center; }
.journey-flow {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  max-width: 720px;
  margin: 0 auto;
}
.journey-step {
  background: var(--layer);
  border: 1px solid var(--border);
  padding: 32px 40px;
  width: 100%;
  text-align: center;
  position: relative;
}
.journey-step:hover { border-color: var(--gold); }
.journey-icon { font-size: 28px; margin-bottom: 12px; }
.journey-num {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 8px;
  opacity: 0.7;
}
.journey-title {
  font-family: 'Shippori Mincho', serif;
  font-weight: 500;
  color: var(--washi);
  font-size: 17px;
  letter-spacing: 0.2em;
  margin-bottom: 12px;
}
.journey-desc {
  color: var(--text);
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.8;
}
.journey-arrow {
  font-size: 24px;
  color: var(--gold);
  opacity: 0.4;
}

/* ===== Learn ===== */
.section-learn { text-align: center; }
.learn-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: left;
}
.learn-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: border-color 0.3s ease;
}
.learn-card:hover { border-color: var(--gold); }
.learn-num {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 28px;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  opacity: 0.5;
}
.learn-title {
  font-family: 'Shippori Mincho', serif;
  font-weight: 500;
  color: var(--washi);
  font-size: 16px;
  letter-spacing: 0.18em;
  margin-bottom: 14px;
}
.learn-desc {
  color: var(--text);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.9;
  margin-bottom: 20px;
  flex-grow: 1;
}
.learn-status {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--dim);
}

/* ===== Diary ===== */
.section-diary {
  background: var(--deep);
  max-width: none;
  padding-left: max(48px, calc((100vw - 1200px) / 2));
  padding-right: max(48px, calc((100vw - 1200px) / 2));
  text-align: center;
}
.diary-preview {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
  text-align: left;
}
.diary-card {
  background: var(--layer);
  border-left: 2px solid var(--gold);
  padding: 32px 28px;
  transition: background 0.3s ease;
}
.diary-card:hover { background: var(--surface); }
.diary-date {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  opacity: 0.6;
}
.diary-title {
  font-family: 'Shippori Mincho', serif;
  font-weight: 500;
  color: var(--washi);
  font-size: 16px;
  letter-spacing: 0.18em;
  margin: 12px 0;
}
.diary-desc {
  color: var(--text);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.8;
}

/* ===== CTA ===== */
.section-cta {
  text-align: center;
  padding: 120px 48px;
}
.cta-lead {
  color: var(--text);
  font-size: 14px;
  letter-spacing: 0.15em;
  line-height: 2.2;
  margin-bottom: 48px;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.cta-button {
  display: inline-block;
  padding: 16px 36px;
  font-family: 'Shippori Mincho', serif;
  font-size: 13px;
  letter-spacing: 0.25em;
  transition: all 0.3s ease;
}
.cta-primary {
  background: var(--gold);
  color: var(--void);
  border: 1px solid var(--gold);
}
.cta-primary:hover {
  background: var(--gold2);
  border-color: var(--gold2);
}
.cta-secondary {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}
.cta-secondary:hover {
  background: rgba(196, 162, 74, 0.1);
}
.cta-note {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--dim);
}

/* ===== Family ===== */
.section-family { text-align: center; }
.family-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: left;
}
.family-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}
.family-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}
.family-card-current {
  background: var(--layer);
  border: 1px solid var(--gold);
  border-style: dashed;
}
.family-role {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 14px;
  opacity: 0.7;
}
.family-name {
  font-family: 'Shippori Mincho', serif;
  font-weight: 500;
  color: var(--washi);
  font-size: 17px;
  letter-spacing: 0.2em;
  margin-bottom: 12px;
}
.family-desc {
  color: var(--text);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.9;
  margin-bottom: 18px;
  flex-grow: 1;
}
.family-url {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

/* ===== Footer ===== */
.footer {
  background: var(--void);
  border-top: 1px solid var(--border);
  padding: 64px 48px 40px;
  margin-top: 80px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.footer-brand { margin-bottom: 32px; }
.footer-jp {
  display: block;
  font-family: 'Shippori Mincho', serif;
  font-weight: 600;
  color: var(--washi);
  font-size: 22px;
  letter-spacing: 0.3em;
  margin-bottom: 8px;
}
.footer-en {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 16px;
  opacity: 0.7;
}
.footer-tagline {
  font-family: 'Shippori Mincho', serif;
  color: var(--text);
  font-size: 13px;
  letter-spacing: 0.2em;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--text);
  margin-bottom: 24px;
}
.footer-links a { color: var(--text); transition: color 0.3s ease; }
.footer-links a:hover { color: var(--gold); }
.footer-links span { color: var(--dim); }
.footer-meta {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--dim);
  line-height: 2;
}

/* ===== Scroll Reveal ===== */
/* JS 有効時のみ初期非表示 (no-JS / 印刷 / 検索エンジン bot で常時表示確保) */
body.js .r {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
body.js .r.on { opacity: 1; transform: translateY(0); }
body.js .rf { opacity: 0; transition: opacity 1s ease; }
body.js .rf.on { opacity: 1; }
.d1.on { transition-delay: 0.1s; }
.d2.on { transition-delay: 0.2s; }
.d3.on { transition-delay: 0.3s; }
.d4.on { transition-delay: 0.4s; }
.d5.on { transition-delay: 0.5s; }
.d6.on { transition-delay: 0.6s; }

/* ===== Responsive (max-width: 768px) ===== */
@media (max-width: 768px) {
  .nav-inner { padding: 14px 18px; gap: 12px; }
  .nav-menu { display: none; }
  .nav-cta { font-size: 10px; padding: 8px 14px; }
  .section { padding: 56px 18px; }
  .section-methods, .section-diary {
    padding-left: 18px;
    padding-right: 18px;
  }
  .hero { padding: 96px 18px 56px; }
  .hero-orb { width: 200px; height: 200px; }
  .orb-core { width: 70px; height: 70px; }
  .orb-ring-1 { width: 150px; height: 150px; }
  .orb-ring-2 { width: 130px; height: 130px; }
  .orb-ring-3 { width: 180px; height: 180px; }
  .methods-grid {
    grid-template-columns: 1fr;
  }
  .products-grid {
    grid-template-columns: 1fr;
  }
  .cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .learn-grid {
    grid-template-columns: 1fr;
  }
  .diary-preview {
    grid-template-columns: 1fr;
  }
  .family-grid {
    grid-template-columns: 1fr;
  }
  .about-axes { gap: 12px; }
  .axis-divider { display: none; }
  .axis { min-width: 120px; padding: 18px 24px; }
  .journey-step { padding: 24px 28px; }
  .cta-button { padding: 14px 28px; font-size: 12px; }
  .footer { padding: 48px 18px 32px; }
}