/* ============================================================
   REBLANC — Brand Website CSS
   Design: Japanese Minimal / Wabi-sabi Modern
   ============================================================ */

/* ── Variables ────────────────────────────────────────────── */
:root {
  --color-bg:       #F8F5F0;
  --color-bg-dark:  #1A1714;
  --color-ink:      #1A1714;
  --color-ink-mid:  #4A4540;
  --color-ink-soft: #8C8480;
  --color-cream:    #EDE9E2;
  --color-gold:     #B8975A;
  --color-gold-lt:  #D4B882;
  --color-warm:     #C8B89A;
  --color-white:    #FDFCF9;

  --font-serif:     'Cormorant Garamond', 'Georgia', serif;
  --font-jp:        'Noto Serif JP', 'Hiragino Mincho ProN', serif;
  --font-sans:      'Inter', 'Helvetica Neue', sans-serif;

  --spacing-xs:  0.5rem;
  --spacing-sm:  1rem;
  --spacing-md:  2rem;
  --spacing-lg:  4rem;
  --spacing-xl:  7rem;
  --spacing-2xl: 11rem;

  --radius-sm: 2px;
  --radius-md: 8px;

  --transition-base: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-jp);
  line-height: 1.9;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Scroll Reveal Animation ──────────────────────────────── */
.reveal, .fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible, .fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 0.15s !important; }
.delay-2 { transition-delay: 0.30s !important; }
.delay-3 { transition-delay: 0.45s !important; }
.delay-4 { transition-delay: 0.60s !important; }

/* ── Navigation ───────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  transition: background 0.5s ease, padding 0.5s ease, box-shadow 0.5s ease;
}
.nav.scrolled {
  background: rgba(248, 245, 240, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1rem 3rem;
  box-shadow: 0 1px 0 rgba(26, 23, 20, 0.08);
}
.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  color: var(--color-white);
  transition: color 0.5s ease;
}
.nav.scrolled .nav__logo { color: var(--color-ink); }

.nav__menu {
  display: flex;
  gap: 2.5rem;
}
.nav__link {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  transition: color 0.3s ease;
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width 0.3s ease;
}
.nav__link:hover { color: var(--color-gold-lt); }
.nav__link:hover::after { width: 100%; }
.nav.scrolled .nav__link { color: var(--color-ink-mid); }
.nav.scrolled .nav__link:hover { color: var(--color-gold); }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-white);
  transition: all 0.3s ease;
}
.nav.scrolled .nav__hamburger span { background: var(--color-ink); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--color-bg-dark);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-menu__link {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--color-cream);
  transition: color 0.3s ease;
}
.mobile-menu__link:hover { color: var(--color-gold); }

/* ── Hero Section ─────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-bg-dark);
}

.hero__bg {
  position: absolute;
  inset: 0;
}

/* Grain texture overlay */
.hero__grain {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 200px;
  opacity: 0.3;
  pointer-events: none;
}

.hero__circles {
  position: absolute;
  inset: 0;
}
.hero__circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(184, 151, 90, 0.15);
}
.hero__circle--1 {
  width: 60vw;
  height: 60vw;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: slowRotate 40s linear infinite;
}
.hero__circle--2 {
  width: 85vw;
  height: 85vw;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-color: rgba(184, 151, 90, 0.08);
  animation: slowRotate 60s linear infinite reverse;
}
.hero__circle--3 {
  width: 35vw;
  height: 35vw;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-color: rgba(184, 151, 90, 0.2);
}

@keyframes slowRotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
  width: 100%;
}
.hero__eyebrow {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 2rem;
}
.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 10vw, 10rem);
  font-weight: 300;
  letter-spacing: 0.25em;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 1.5rem;
}
.hero__subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 300;
  font-style: italic;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.08em;
  line-height: 1.8;
}

.hero__scroll {
  position: absolute;
  bottom: -10vh;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.hero__scroll span {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
}
.hero__scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, rgba(184,151,90,0.6), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; height: 40px; }
  50%       { opacity: 1;   height: 55px; }
}

/* ── Intro Section ────────────────────────────────────────── */
.intro {
  background: var(--color-bg);
  padding: var(--spacing-2xl) var(--spacing-md);
}
.intro__container {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}
.intro__ja {
  font-family: var(--font-jp);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 300;
  line-height: 2;
  color: var(--color-ink);
  margin-bottom: 2rem;
}
.intro__divider {
  width: 40px;
  height: 1px;
  background: var(--color-gold);
  margin-bottom: 2rem;
}
.intro__items {
  font-family: var(--font-jp);
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--color-ink-mid);
  margin-bottom: 1.5rem;
}
.intro__desc {
  font-family: var(--font-jp);
  font-size: 0.95rem;
  font-weight: 200;
  line-height: 2.2;
  color: var(--color-ink-soft);
}

/* Decorative Art */
.intro__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.intro__art {
  position: relative;
  width: 280px;
  height: 280px;
}
.intro__art-circle {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--color-warm);
  animation: breathe 6s ease-in-out infinite;
}
.intro__art-ring {
  position: absolute;
  top: 20px; left: 20px; right: 20px; bottom: 20px;
  border-radius: 50%;
  border: 1px solid rgba(184,151,90,0.3);
  animation: breathe 6s ease-in-out infinite 1s;
}
.intro__art-dot {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-gold);
  opacity: 0.6;
}
@keyframes breathe {
  0%, 100% { transform: scale(1);   opacity: 0.6; }
  50%       { transform: scale(1.05); opacity: 1; }
}

/* ── Problem Section ──────────────────────────────────────── */
.problem {
  background: var(--color-cream);
  padding: var(--spacing-xl) var(--spacing-md);
}
.problem__container {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.problem__quote blockquote {
  border-left: 2px solid var(--color-gold);
  padding-left: 2rem;
}
.problem__quote p {
  font-family: var(--font-jp);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 300;
  line-height: 1.9;
  color: var(--color-ink);
  margin-bottom: 1rem;
}
.problem__quote cite {
  font-family: var(--font-jp);
  font-size: 0.85rem;
  font-weight: 200;
  font-style: normal;
  color: var(--color-ink-soft);
}
.problem__text p {
  font-family: var(--font-jp);
  font-size: 0.93rem;
  font-weight: 200;
  line-height: 2.2;
  color: var(--color-ink-mid);
  margin-bottom: 1.2rem;
}

/* ── Vision Section ───────────────────────────────────────── */
.vision {
  position: relative;
  background: var(--color-bg-dark);
  padding: var(--spacing-xl) var(--spacing-md);
  overflow: hidden;
}
.vision__container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}
.vision__label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 300;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 2.5rem;
}
.vision__heading {
  font-family: var(--font-jp);
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  font-weight: 300;
  line-height: 2;
  color: var(--color-white);
  margin-bottom: 2rem;
}
.vision__body {
  font-family: var(--font-jp);
  font-size: 0.95rem;
  font-weight: 200;
  line-height: 2.2;
  color: rgba(255,255,255,0.5);
}
.vision__stripe {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-gold), transparent);
  opacity: 0.4;
}

/* ── Role Section ─────────────────────────────────────────── */
.role {
  background: var(--color-bg);
  padding: var(--spacing-xl) var(--spacing-md);
}
.role__container {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 6rem;
  align-items: center;
}
.role__icon {
  width: 80px;
  height: 80px;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
  opacity: 0.7;
}
.role__title {
  font-family: var(--font-jp);
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--color-ink);
}
.role__text {
  font-family: var(--font-jp);
  font-size: 0.95rem;
  font-weight: 200;
  line-height: 2.3;
  color: var(--color-ink-mid);
  margin-bottom: 1.5rem;
}

/* ── Product Section ──────────────────────────────────────── */
.product {
  background: var(--color-bg-dark);
  padding: var(--spacing-xl) var(--spacing-md);
  overflow: hidden;
}
.product__header {
  text-align: center;
  margin-bottom: 5rem;
}
.product__label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 300;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1.2rem;
}
.product__heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}
.product__heading-ja {
  font-family: var(--font-jp);
  font-size: 0.95rem;
  font-weight: 200;
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.4);
}

/* ── Product 写真レイアウト ───────────────────────────────── */
.product__main {
  max-width: 1200px;
  margin: 0 auto 5rem;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: start;
}

/* 左：メイン写真 */
.product__photo-main {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
}
.product__photo-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.product__photo-main:hover img {
  transform: scale(1.03);
}
.product__photo-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem 1.5rem 1.2rem;
  background: linear-gradient(to top, rgba(26,23,20,0.75) 0%, transparent 100%);
}
.product__photo-caption span {
  font-family: var(--font-jp);
  font-size: 0.8rem;
  font-weight: 200;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.75);
}

/* 右：テキスト＋サブ写真 */
.product__main-right {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-top: 1rem;
}

/* サブ写真 */
.product__photo-sub {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: #0a0908;
}
.product__photo-sub img {
  width: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  opacity: 0.9;
}
.product__photo-sub:hover img {
  transform: scale(1.03);
  opacity: 1;
}
.product__photo-sub-label {
  position: absolute;
  bottom: 0.8rem;
  right: 1rem;
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  background: rgba(26,23,20,0.6);
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}

.product__lead {
  font-family: var(--font-jp);
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 300;
  line-height: 2.3;
  color: rgba(255,255,255,0.8);
}

/* 特性カード — 横4列 */
.product__features-row {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.product__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.product__feature {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid rgba(184,151,90,0.15);
  border-radius: var(--radius-sm);
  transition: border-color 0.3s ease, background 0.3s ease;
}
.product__feature:hover {
  border-color: rgba(184,151,90,0.4);
  background: rgba(184,151,90,0.04);
}
.product__feature-icon {
  font-family: var(--font-jp);
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--color-gold);
  min-width: 30px;
  text-align: center;
}
.product__feature-text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.product__feature-text strong {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-white);
}
.product__feature-text span {
  font-family: var(--font-jp);
  font-size: 0.72rem;
  font-weight: 200;
  color: rgba(255,255,255,0.4);
  line-height: 1.6;
}
.product__closing {
  font-family: var(--font-jp);
  font-size: 0.9rem;
  font-weight: 200;
  line-height: 2.2;
  color: rgba(255,255,255,0.45);
}

/* ── Philosophy Section ───────────────────────────────────── */
.philosophy {
  background: var(--color-bg);
  padding: var(--spacing-xl) var(--spacing-md);
}
.philosophy__container {
  max-width: 900px;
  margin: 0 auto;
}
.philosophy__label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 300;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 2.5rem;
}
.philosophy__heading {
  font-family: var(--font-jp);
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-weight: 300;
  line-height: 2;
  color: var(--color-ink);
  margin-bottom: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--color-cream);
}

.philosophy__rice {
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
  margin-bottom: 3rem;
  padding: 2.5rem;
  background: var(--color-cream);
  border-radius: var(--radius-md);
}
.philosophy__rice-icon {
  width: 60px;
  height: 60px;
  color: var(--color-gold);
  flex-shrink: 0;
  opacity: 0.7;
}
.philosophy__rice-text h3 {
  font-family: var(--font-jp);
  font-size: 1.05rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--color-ink);
  margin-bottom: 0.8rem;
}
.philosophy__rice-text p {
  font-family: var(--font-jp);
  font-size: 0.9rem;
  font-weight: 200;
  line-height: 2.1;
  color: var(--color-ink-mid);
}

.philosophy__name {
  padding: 2rem 0;
  border-top: 1px solid var(--color-cream);
}
.philosophy__name p {
  font-family: var(--font-jp);
  font-size: 0.93rem;
  font-weight: 200;
  line-height: 2.3;
  color: var(--color-ink-mid);
}

/* ── Future Section ───────────────────────────────────────── */
.future {
  background: var(--color-cream);
  padding: var(--spacing-xl) var(--spacing-md);
}
.future__container {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}
.future__label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 300;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
}
.future__heading {
  font-family: var(--font-jp);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 300;
  line-height: 2;
  color: var(--color-ink);
  margin-bottom: 1.5rem;
}
.future__body {
  font-family: var(--font-jp);
  font-size: 0.93rem;
  font-weight: 200;
  line-height: 2.2;
  color: var(--color-ink-mid);
  margin-bottom: 1rem;
}

/* Map Visual */
.future__map {
  position: relative;
  width: 100%;
  max-width: 320px;
  height: 220px;
  margin: 0 auto;
}
.future__map-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: rgba(184,151,90,0.3);
}
.future__map-dot {
  position: absolute;
  width: 10px;
  height: 10px;
}
.future__map-dot::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--color-gold);
}
.future__map-dot--japan { top: 45%; left: 48%; }
.future__map-dot--world1 { top: 35%; left: 12%; }
.future__map-dot--world2 { top: 25%; left: 80%; }
.future__map-dot--world3 { top: 65%; left: 78%; }
.future__map-pulse {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--color-gold);
  animation: mapPulse 3s ease-out infinite;
}
@keyframes mapPulse {
  0%   { transform: translate(-50%, -50%) scale(0); opacity: 0.8; }
  100% { transform: translate(-50%, -50%) scale(3); opacity: 0; }
}
.future__map-dot--world1 .future__map-pulse { animation-delay: 1s; }
.future__map-dot--world2 .future__map-pulse { animation-delay: 2s; }
.future__map-dot--world3 .future__map-pulse { animation-delay: 0.5s; }
.future__map-label {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--color-gold);
  white-space: nowrap;
}

/* ── Closing Section ──────────────────────────────────────── */
.closing {
  position: relative;
  background: var(--color-bg-dark);
  padding: var(--spacing-2xl) var(--spacing-md);
  text-align: center;
  overflow: hidden;
}
.closing__container { position: relative; z-index: 2; }
.closing__quote {
  font-family: var(--font-serif);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  margin-bottom: 2.5rem;
}
.closing__brand {
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 300;
  letter-spacing: 0.4em;
  color: var(--color-white);
  margin-bottom: 1.5rem;
}
.closing__tagline {
  font-family: var(--font-serif);
  font-size: clamp(0.85rem, 1.8vw, 1.05rem);
  font-weight: 300;
  font-style: italic;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.1em;
  margin-bottom: 2.5rem;
}
/* SNS & Shop ボタン群（Closingセクション） */
.closing__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-top: 2.5rem;
}
.closing__sns-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.75rem 2rem;
  border: 1px solid rgba(184,151,90,0.4);
  border-radius: 40px;
  color: rgba(255,255,255,0.7);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: border-color 0.3s ease, color 0.3s ease, background 0.3s ease;
}
.closing__sns-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.closing__sns-btn:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: rgba(184,151,90,0.06);
}

/* EC Shop Coming Soon */
.closing__shop-soon {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.75rem 2rem;
  border: 1px dashed rgba(255,255,255,0.15);
  border-radius: 40px;
  color: rgba(255,255,255,0.3);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: default;
  position: relative;
}
.closing__shop-soon svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.closing__shop-badge {
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  color: var(--color-gold);
  border: 1px solid rgba(184,151,90,0.5);
  border-radius: 20px;
  padding: 0.15rem 0.6rem;
  margin-left: 0.3rem;
  animation: badgePulse 2.5s ease-in-out infinite;
}
@keyframes badgePulse {
  0%, 100% { opacity: 0.6; }
  50%       { opacity: 1; }
}

.closing__bg { position: absolute; inset: 0; }
.closing__bg-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(184,151,90,0.07);
}
.closing__bg-circle--1 {
  width: 500px; height: 500px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.closing__bg-circle--2 {
  width: 300px; height: 300px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

/* ── Contact Section ──────────────────────────────────────── */
.contact {
  background: var(--color-bg);
  padding: var(--spacing-xl) var(--spacing-md);
}
.contact__container {
  max-width: 700px;
  margin: 0 auto;
}
.contact__label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 300;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1rem;
}
.contact__heading {
  font-family: var(--font-jp);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--color-ink);
  margin-bottom: 1.2rem;
}
.contact__desc {
  font-family: var(--font-jp);
  font-size: 0.9rem;
  font-weight: 200;
  line-height: 2;
  color: var(--color-ink-soft);
  margin-bottom: 3rem;
}

.contact__form { display: flex; flex-direction: column; gap: 1.5rem; }
.contact__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.contact__field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.contact__field label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
}
.contact__field input,
.contact__field textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-cream);
  padding: 0.7rem 0;
  font-family: var(--font-jp);
  font-size: 0.93rem;
  font-weight: 200;
  color: var(--color-ink);
  outline: none;
  transition: border-color 0.3s ease;
  resize: none;
}
.contact__field input::placeholder,
.contact__field textarea::placeholder {
  color: var(--color-ink-soft);
  opacity: 0.5;
}
.contact__field input:focus,
.contact__field textarea:focus {
  border-color: var(--color-gold);
}

.contact__btn {
  align-self: flex-start;
  padding: 0.9rem 2.5rem;
  background: var(--color-ink);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: background 0.3s ease, transform 0.3s ease;
}
.contact__btn:hover {
  background: var(--color-gold);
  transform: translateY(-1px);
}

.contact__thanks {
  display: none;
  padding: 2rem;
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-md);
  text-align: center;
}
.contact__thanks p {
  font-family: var(--font-jp);
  font-size: 0.95rem;
  font-weight: 200;
  color: var(--color-ink-mid);
  line-height: 2;
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--color-bg-dark);
  padding: 3rem var(--spacing-md);
  text-align: center;
}
.footer__container {
  max-width: 700px;
  margin: 0 auto;
}
.footer__brand {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}
.footer__tagline {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 300;
  font-style: italic;
  color: rgba(255,255,255,0.25);
  margin-bottom: 2rem;
}
.footer__links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer__links a {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  transition: color 0.3s ease;
}
.footer__links a:hover { color: var(--color-gold); }

/* SNS リンク（フッター） */
.footer__sns {
  margin-bottom: 1.8rem;
}
.footer__sns-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: rgba(255,255,255,0.4);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: color 0.3s ease;
}
.footer__sns-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.footer__sns-link:hover { color: var(--color-gold); }

.footer__copy {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.2);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav__menu { display: none; }
  .nav__hamburger { display: flex; }

  .intro__container,
  .problem__container,
  .role__container,
  .future__container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .intro__visual { display: none; }

  /* 商品写真 — タブレット */
  .product__main {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .product__features-row {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero__scroll { bottom: -5vh; }
}

@media (max-width: 600px) {
  :root {
    --spacing-xl:  4rem;
    --spacing-2xl: 6rem;
  }

  /* ── ナビ ── */
  .nav { padding: 1.2rem 1.5rem; }
  .nav.scrolled { padding: 0.9rem 1.5rem; }
  .nav__logo {
    font-size: 1rem;
    letter-spacing: 0.12em;
  }

  /* ── Hero ──
     「REBLANC」7文字 + letter-spacing が確実に収まる計算:
     font-size × 7 × (1 + letter-spacing_em) < 100vw
     → font-size × 7 × 1.1 < 100vw
     → font-size < 100 / 7.7 ≈ 13vw  ← 余裕を見て 12vw
  */
  .hero__content {
    padding: 1.5rem 0;
    width: 100%;
    box-sizing: border-box;
  }
  .hero__title {
    font-size: 12vw;
    letter-spacing: 0.1em;
    margin-bottom: 1.2rem;
  }
  .hero__eyebrow {
    font-size: 0.55rem;
    letter-spacing: 0.1em;
    padding: 0 1rem;
  }
  .hero__subtitle {
    font-size: 3.5vw;
    letter-spacing: 0.02em;
    padding: 0 1.5rem;
    line-height: 2;
  }
  .hero__scroll {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    margin-top: 2rem;
  }

  /* ── Closing ──
     同様に12vw + letter-spacing 0.1em で統一
  */
  .closing__brand {
    font-size: 12vw;
    letter-spacing: 0.1em;
  }
  .closing__quote {
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    padding: 0 1rem;
  }
  .closing__tagline {
    font-size: 0.75rem;
    letter-spacing: 0.03em;
  }

  /* ── フッター ── */
  .footer__brand {
    font-size: 1.15rem;
    letter-spacing: 0.12em;
  }
  .footer__links { flex-wrap: wrap; gap: 1.2rem; }

  /* ── Product ── */
  .product__main { gap: 1.5rem; padding: 0 1rem; }
  .product__features-row {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 1rem;
    gap: 0.8rem;
  }
  .product__features { grid-template-columns: 1fr; }

  /* ── Philosophy ── */
  .philosophy__rice { flex-direction: column; gap: 1.5rem; }

  /* ── Vision ── */
  .vision__heading {
    font-size: clamp(1.1rem, 4.5vw, 1.5rem);
    line-height: 2;
  }

  /* ── Problem ── */
  .problem__quote p {
    font-size: clamp(1rem, 4vw, 1.3rem);
  }
}