/* ═══════════════════════════════════════
   氣美茶 LP — 大地と生命（ナチュラル）
   Design System
═══════════════════════════════════════ */

:root {
  --bg:          #F5F0E8;
  --bg-cream:    #EDE8DA;
  --bg-dark:     #2C2416;
  --bg-green:    #3B5232;
  --text:        #2C2416;
  --text-mid:    #6B5A3E;
  --text-light:  #9B8E7A;
  --green:       #6B8C5A;
  --green-light: #8FAE7D;
  --gold:        #B79C4A;
  --gold-light:  #D4BC72;
  --silver:      #A6A5AB;
  --white:       #FEFCF8;

  --font-serif-jp: 'Noto Serif JP', serif;
  --font-serif-en: 'Cormorant Garamond', serif;
  --font-sans:     'Noto Sans JP', sans-serif;

  --radius:   12px;
  --radius-sm: 6px;
  --shadow:   0 4px 24px rgba(44,36,22,.08);
  --shadow-md:0 8px 40px rgba(44,36,22,.12);
  --trans:    .35s cubic-bezier(.4,0,.2,1);
}

/* ─── Reset ──────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { background: none; border: none; cursor: pointer; font: inherit; }

/* ─── Container ───────────────────────── */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Sections ────────────────────────── */
.section { padding: 96px 0; }
.section-cream  { background: var(--bg-cream); }
.section-dark   { background: var(--bg-dark);  color: var(--white); }
.section-dark-green { background: var(--bg-green); color: var(--white); }

.section-header { text-align: center; margin-bottom: 64px; }
.section-eyebrow {
  font-family: var(--font-serif-en);
  font-size: .75rem;
  letter-spacing: .3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-eyebrow.light { color: var(--gold-light); }
.section-title {
  font-family: var(--font-serif-jp);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 400;
  line-height: 1.5;
  margin-bottom: 16px;
}
.section-desc {
  color: var(--text-mid);
  font-size: .9rem;
}
.section-dark  .section-title,
.section-dark  .section-desc { color: var(--white); }
.section-dark  .section-desc { opacity: .75; }

/* ─── Buttons ─────────────────────────── */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 2px;
  font-family: var(--font-serif-jp);
  font-size: .9rem;
  letter-spacing: .1em;
  transition: all var(--trans);
  cursor: pointer;
}
.btn-primary {
  background: var(--green);
  color: var(--white);
  border: 1px solid var(--green);
}
.btn-primary:hover {
  background: var(--green-light);
  border-color: var(--green-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(107,140,90,.35);
}
.btn-secondary {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
}
.btn-secondary:hover { background: var(--green); color: var(--white); }
.btn-gold {
  background: var(--gold);
  color: var(--white);
  border: 1px solid var(--gold);
  width: 100%;
  text-align: center;
}
.btn-gold:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(183,156,74,.4);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,.5);
  width: 100%;
  text-align: center;
}
.btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--white);
}

/* ═══════════════════════════════════════
   NAVIGATION
═══════════════════════════════════════ */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--trans), box-shadow var(--trans);
}
#nav.scrolled {
  background: rgba(245,240,232,.95);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 12px rgba(44,36,22,.08);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo-jp {
  font-family: var(--font-serif-jp);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: .1em;
}
.logo-en {
  font-family: var(--font-serif-en);
  font-size: .65rem;
  letter-spacing: .4em;
  color: var(--gold);
  margin-top: 2px;
}
#nav.hero-mode .logo-jp { color: var(--white); }
#nav.hero-mode .logo-en { color: var(--gold-light); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: .85rem;
  letter-spacing: .05em;
  color: var(--text-mid);
  transition: color var(--trans);
}
.nav-links a:hover { color: var(--green); }
#nav.hero-mode .nav-links a { color: rgba(255,255,255,.8); }
#nav.hero-mode .nav-links a:hover { color: var(--white); }
.nav-cta {
  padding: 8px 20px;
  border: 1px solid currentColor;
  border-radius: 2px;
  color: var(--green) !important;
}
#nav.hero-mode .nav-cta { color: var(--gold-light) !important; }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text);
  transition: all var(--trans);
}
#nav.hero-mode .nav-hamburger span { background: var(--white); }
.nav-mobile {
  display: none;
  flex-direction: column;
  background: rgba(245,240,232,.97);
  backdrop-filter: blur(8px);
  padding: 16px 32px 24px;
  border-top: 1px solid var(--bg-cream);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 10px 0;
  font-size: .9rem;
  border-bottom: 1px solid var(--bg-cream);
  color: var(--text-mid);
}
.nav-mobile a:last-child { border-bottom: none; }

/* ═══════════════════════════════════════
   HERO
═══════════════════════════════════════ */
#hero {
  position: relative;
  height: 100svh;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 8s ease;
}
#hero.loaded .hero-bg { transform: scale(1); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(44,36,22,.25) 0%,
    rgba(44,36,22,.45) 50%,
    rgba(44,36,22,.6) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  color: var(--white);
  padding: 0 24px;
}
.hero-eyebrow {
  font-family: var(--font-serif-en);
  font-size: .72rem;
  letter-spacing: .4em;
  color: var(--gold-light);
  margin-bottom: 24px;
}
.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}
.hero-title-jp {
  font-family: var(--font-serif-jp);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 300;
  letter-spacing: .3em;
  line-height: 1;
}
.hero-title-en {
  font-family: var(--font-serif-en);
  font-size: clamp(.9rem, 2vw, 1.3rem);
  letter-spacing: .6em;
  color: var(--gold-light);
}
.hero-tagline {
  font-family: var(--font-serif-jp);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 300;
  letter-spacing: .15em;
  margin-bottom: 8px;
}
.hero-sub {
  font-size: .8rem;
  letter-spacing: .1em;
  opacity: .7;
  margin-bottom: 40px;
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.5);
}
.hero-scroll span {
  font-family: var(--font-serif-en);
  font-size: .65rem;
  letter-spacing: .3em;
}
.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,.5), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ═══════════════════════════════════════
   PHILOSOPHY
═══════════════════════════════════════ */
.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.philosophy-text { padding-right: 24px; }
.philosophy-lead {
  font-family: var(--font-serif-jp);
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 20px;
  line-height: 1.9;
}
.philosophy-body {
  font-size: .875rem;
  color: var(--text-mid);
  margin-bottom: 16px;
  line-height: 1.9;
}
.philosophy-keywords {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.philosophy-keywords span {
  font-family: var(--font-serif-jp);
  font-size: .85rem;
  color: var(--green);
  letter-spacing: .1em;
}
.philosophy-keywords .sep { color: var(--gold); opacity: .5; }
.philosophy-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}
.philosophy-image img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform .6s ease;
}
.philosophy-image:hover img { transform: scale(1.03); }
.philosophy-image-caption {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(245,240,232,.88);
  backdrop-filter: blur(4px);
  padding: 8px 16px;
  font-family: var(--font-serif-jp);
  font-size: .8rem;
  color: var(--text);
  letter-spacing: .1em;
  border-radius: var(--radius-sm);
}

/* ═══════════════════════════════════════
   INGREDIENTS
═══════════════════════════════════════ */
.ingredients-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 40px;
  align-items: start;
}
.ingredient-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 40px 36px;
  position: relative;
}
.ingredient-symbol {
  position: absolute;
  top: 24px;
  right: 24px;
  font-family: var(--font-serif-jp);
  font-size: 1.1rem;
  color: var(--gold);
  opacity: .6;
}
.ingredient-number {
  font-family: var(--font-serif-en);
  font-size: 3rem;
  color: var(--gold);
  opacity: .3;
  line-height: 1;
  margin-bottom: 8px;
}
.ingredient-name {
  font-family: var(--font-serif-jp);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 4px;
}
.ingredient-en {
  font-family: var(--font-serif-en);
  font-size: .75rem;
  letter-spacing: .4em;
  color: var(--gold);
  margin-bottom: 8px;
}
.ingredient-role {
  display: inline-block;
  font-size: .72rem;
  letter-spacing: .15em;
  color: var(--green-light);
  border: 1px solid var(--green-light);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.ingredient-desc {
  font-size: .85rem;
  color: rgba(254,252,248,.7);
  line-height: 1.9;
  margin-bottom: 24px;
}
.ingredient-benefits {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}
.ingredient-benefits li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .82rem;
  color: rgba(254,252,248,.85);
}
.benefit-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}
.ingredient-source {
  font-size: .72rem;
  color: var(--silver);
  letter-spacing: .05em;
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 16px;
}
.ingredients-center {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
}
.yin-yang {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
}
.yin-yang-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
}
.yin-yang-text span {
  font-family: var(--font-serif-jp);
  font-size: .6rem;
  color: var(--gold);
  letter-spacing: .05em;
}

/* ═══════════════════════════════════════
   BENEFITS
═══════════════════════════════════════ */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.benefit-pillar {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform var(--trans), box-shadow var(--trans);
}
.benefit-pillar:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.pillar-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
}
.pillar-icon-body  svg { color: var(--green); }
.pillar-icon-mind  svg { color: var(--gold); }
.pillar-icon-energy svg { color: #8B6FA0; }
.pillar-title {
  font-family: var(--font-serif-jp);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 4px;
}
.pillar-sub {
  font-family: var(--font-serif-en);
  font-size: .72rem;
  letter-spacing: .3em;
  color: var(--gold);
  margin-bottom: 24px;
}
.pillar-list {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pillar-list li {
  font-size: .83rem;
  color: var(--text-mid);
  padding-left: 14px;
  position: relative;
}
.pillar-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
}

/* ═══════════════════════════════════════
   PRODUCT
═══════════════════════════════════════ */
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.product-img-main {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 16px;
}
.product-img-main img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}
.product-img-sub {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.product-img-sub img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}
.product-en {
  font-family: var(--font-serif-en);
  font-size: .78rem;
  letter-spacing: .2em;
  color: var(--gold);
  margin-bottom: 32px;
}
.product-specs {
  border-top: 1px solid var(--bg-cream);
  margin-bottom: 32px;
}
.spec-row {
  display: flex;
  padding: 14px 0;
  border-bottom: 1px solid var(--bg-cream);
  gap: 16px;
}
.spec-label {
  font-size: .78rem;
  color: var(--text-light);
  min-width: 100px;
  flex-shrink: 0;
}
.spec-value {
  font-size: .85rem;
  color: var(--text);
}
.price-block {
  background: var(--bg-cream);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin-bottom: 28px;
}
.price-regular {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}
.price-label {
  font-size: .78rem;
  color: var(--text-light);
}
.price-amount {
  font-family: var(--font-serif-en);
  font-size: 2rem;
  color: var(--text);
}
.price-tax { font-size: .75rem; }
.price-subscription {
  display: flex;
  align-items: center;
  gap: 10px;
}
.price-badge {
  font-size: .68rem;
  background: var(--gold);
  color: var(--white);
  padding: 2px 8px;
  border-radius: 2px;
  letter-spacing: .05em;
}
.price-discount { font-size: .8rem; color: var(--text-mid); }
.product-note {
  margin-top: 12px;
  font-size: .75rem;
  color: var(--text-light);
}

/* ═══════════════════════════════════════
   HOW TO USE
═══════════════════════════════════════ */
.howto-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 32px;
}
.howto-step {
  flex: 1;
  max-width: 280px;
  text-align: center;
  padding: 36px 28px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.step-number {
  font-family: var(--font-serif-en);
  font-size: 2.5rem;
  color: var(--gold);
  opacity: .4;
  line-height: 1;
  margin-bottom: 16px;
}
.step-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  color: var(--green);
}
.howto-step h4 {
  font-family: var(--font-serif-jp);
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: 10px;
}
.howto-step p {
  font-size: .8rem;
  color: var(--text-mid);
  line-height: 1.7;
}
.howto-arrow {
  font-size: 1.5rem;
  color: var(--gold);
  opacity: .5;
  flex-shrink: 0;
}
.howto-note {
  text-align: center;
  font-size: .8rem;
  color: var(--text-light);
}

/* ═══════════════════════════════════════
   BANNER FOREST
═══════════════════════════════════════ */
.banner-forest {
  position: relative;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.banner-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 30%;
}
.banner-overlay {
  position: absolute;
  inset: 0;
  background: rgba(44,36,22,.55);
}
.banner-content {
  position: relative;
  z-index: 2;
  color: var(--white);
}
.banner-content p {
  font-family: var(--font-serif-jp);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 300;
  letter-spacing: .15em;
  margin-bottom: 12px;
}
.banner-content span {
  font-size: .85rem;
  letter-spacing: .1em;
  opacity: .75;
}

/* ═══════════════════════════════════════
   TESTIMONIALS / MONITOR
═══════════════════════════════════════ */
.monitor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.monitor-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
}
.monitor-icon {
  font-size: 1.8rem;
  color: var(--gold);
  margin-bottom: 16px;
}
.monitor-card h4 {
  font-family: var(--font-serif-jp);
  font-size: 1.05rem;
  font-weight: 400;
  margin-bottom: 14px;
}
.monitor-card p {
  font-size: .83rem;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 20px;
}
.monitor-card ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.monitor-card li {
  font-size: .83rem;
  color: var(--text-mid);
  padding-left: 14px;
  position: relative;
}
.monitor-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

/* ═══════════════════════════════════════
   FAQ
═══════════════════════════════════════ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--bg);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 22px 0;
  font-family: var(--font-serif-jp);
  font-size: .95rem;
  color: var(--text);
  text-align: left;
  gap: 16px;
}
.faq-icon {
  font-size: 1.4rem;
  color: var(--gold);
  flex-shrink: 0;
  transition: transform var(--trans);
  font-weight: 300;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
}
.faq-item.open .faq-answer { max-height: 200px; padding-bottom: 20px; }
.faq-answer p {
  font-size: .85rem;
  color: var(--text-mid);
  line-height: 1.9;
  padding-right: 32px;
}

/* ═══════════════════════════════════════
   PURCHASE CTA
═══════════════════════════════════════ */
.purchase-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.purchase-title {
  font-family: var(--font-serif-jp);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.6;
  margin-bottom: 48px;
}
.purchase-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 40px;
  backdrop-filter: blur(6px);
  margin-bottom: 24px;
}
.purchase-product {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.purchase-product img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.purchase-product-info { text-align: left; }
.purchase-product-info h3 {
  font-family: var(--font-serif-jp);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 6px;
}
.purchase-product-info p {
  font-size: .78rem;
  color: rgba(255,255,255,.55);
  letter-spacing: .05em;
}
.purchase-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.option-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-sm);
  padding: 28px 24px;
  text-align: left;
  position: relative;
}
.option-subscription {
  border-color: var(--gold);
  background: rgba(183,156,74,.08);
}
.option-badge {
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: .68rem;
  background: var(--gold);
  color: var(--white);
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: .05em;
}
.option-card h4 {
  font-family: var(--font-serif-jp);
  font-size: .95rem;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 8px;
}
.option-price {
  font-family: var(--font-serif-en);
  font-size: 1.8rem;
  color: var(--white);
  margin-bottom: 4px;
}
.option-original {
  font-size: .72rem;
  color: var(--gold-light);
  margin-bottom: 16px;
}
.option-card ul {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.option-card li {
  font-size: .78rem;
  color: rgba(255,255,255,.65);
  padding-left: 12px;
  position: relative;
}
.option-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: .7rem;
}
.purchase-note {
  font-size: .78rem;
  color: rgba(255,255,255,.5);
}
.purchase-note a {
  color: var(--gold-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ═══════════════════════════════════════
   FOOTER
═══════════════════════════════════════ */
#footer {
  background: var(--bg-dark);
  color: rgba(254,252,248,.7);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-brand .footer-logo {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
}
.footer-brand .logo-jp { color: var(--white); }
.footer-tagline {
  font-family: var(--font-serif-jp);
  font-size: .9rem;
  color: rgba(254,252,248,.85);
  margin-bottom: 8px;
}
.footer-desc {
  font-size: .78rem;
  opacity: .5;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links h5 {
  font-family: var(--font-serif-jp);
  font-size: .75rem;
  letter-spacing: .15em;
  color: var(--gold);
  margin-bottom: 8px;
}
.footer-links a {
  font-size: .78rem;
  opacity: .6;
  transition: opacity var(--trans);
}
.footer-links a:hover { opacity: 1; }
.footer-company h5 {
  font-family: var(--font-serif-jp);
  font-size: .75rem;
  letter-spacing: .15em;
  color: var(--gold);
  margin-bottom: 12px;
}
.footer-company p {
  font-size: .78rem;
  line-height: 1.9;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}
.footer-legal, .footer-copyright {
  font-size: .7rem;
  opacity: .4;
}

/* ═══════════════════════════════════════
   SCROLL ANIMATIONS
═══════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal:nth-child(2) { transition-delay: .1s; }
.reveal:nth-child(3) { transition-delay: .2s; }
.reveal:nth-child(4) { transition-delay: .3s; }

.fade-in {
  opacity: 0;
  animation: fadeIn 1.2s ease .3s forwards;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════ */
@media (max-width: 960px) {
  .philosophy-grid    { grid-template-columns: 1fr; gap: 40px; }
  .philosophy-text    { padding-right: 0; }
  .philosophy-image img { height: 320px; }
  .ingredients-grid   { grid-template-columns: 1fr; }
  .ingredients-center { display: none; }
  .benefits-grid      { grid-template-columns: 1fr 1fr; }
  .product-grid       { grid-template-columns: 1fr; }
  .monitor-grid       { grid-template-columns: 1fr; }
  .footer-grid        { grid-template-columns: 1fr 1fr; }
  .purchase-options   { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .benefits-grid  { grid-template-columns: 1fr; }
  .howto-steps    { flex-direction: column; }
  .howto-arrow    { transform: rotate(90deg); }
  .footer-grid    { grid-template-columns: 1fr; gap: 32px; }
  .purchase-card  { padding: 24px; }
  .purchase-product { flex-direction: column; text-align: center; }
  .purchase-product-info { text-align: center; }
}