/* ============================================================
   HUNTER LP – Enhanced Stylesheet v2
   ============================================================ */

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

:root {
  --black:      #0A0A0A;
  --dark:       #111111;
  --dark2:      #1A1A1A;
  --dark3:      #222222;
  --dark4:      #2A2A2A;
  --gold:       #C9A84C;
  --gold-light: #E8C96A;
  --gold-pale:  #F5E08A;
  --gold-dark:  #9A7A30;
  --white:      #FFFFFF;
  --gray:       #888888;
  --gray-light: #CCCCCC;
  --font-jp:    'Noto Sans JP', sans-serif;
  --font-en:    'Oswald', sans-serif;
  --transition: 0.3s ease;
  --radius:     8px;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--black);
  color: var(--white);
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ---- Utility ---- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.gold-text { color: var(--gold-light); }

.section-label {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 52px;
}

/* ---- Scroll Reveal ---- */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-child { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal-child.visible { opacity: 1; transform: translateY(0); }
.reveal-child:nth-child(1) { transition-delay: 0.05s; }
.reveal-child:nth-child(2) { transition-delay: 0.15s; }
.reveal-child:nth-child(3) { transition-delay: 0.25s; }
.reveal-child:nth-child(4) { transition-delay: 0.35s; }

/* ---- Hero fade-in ---- */
.fade-in-up { animation: fadeInUp 1s ease forwards; }
.fade-in-right { animation: fadeInRight 1s ease 0.3s forwards; opacity: 0; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  font-family: var(--font-jp);
  font-weight: 700;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s ease;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity 0.2s;
}
.btn:hover::after { opacity: 1; }

.btn-gold {
  background: linear-gradient(135deg, #C9A84C 0%, #F5E08A 50%, #C9A84C 100%);
  background-size: 200% auto;
  color: var(--black);
  border: none;
  box-shadow: 0 4px 20px rgba(201,168,76,0.3);
}
.btn-gold:hover {
  background-position: right center;
  box-shadow: 0 6px 30px rgba(201,168,76,0.5);
  transform: translateY(-3px);
}

.btn-outline {
  background: transparent;
  color: var(--gold-light);
  border: 2px solid var(--gold);
}
.btn-outline:hover {
  background: rgba(201,168,76,0.1);
  box-shadow: 0 4px 20px rgba(201,168,76,0.25);
  transform: translateY(-3px);
}

.btn-sm  { padding: 10px 24px; font-size: 15px; }
.btn-lg  { padding: 16px 36px; font-size: 16px; }
.btn-xl  { padding: 20px 52px; font-size: 18px; }
.btn-full { width: 100%; }

.btn-line {
  background: #06C755;
  color: #fff;
  border: none;
  box-shadow: 0 4px 20px rgba(6,199,85,0.3);
}
.btn-line:hover {
  background: #05b34c;
  box-shadow: 0 6px 30px rgba(6,199,85,0.5);
  transform: translateY(-3px);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(8,8,8,0);
  backdrop-filter: blur(0px);
  border-bottom: 1px solid rgba(201,168,76,0);
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
}

.site-header.scrolled {
  background: rgba(8,8,8,0.95);
  backdrop-filter: blur(12px);
  border-bottom-color: rgba(201,168,76,0.2);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.header-logo {
  height: 54px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.header-nav {
  display: flex;
  gap: 24px;
  margin-left: auto;
}

.header-nav a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}
.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 0.2s;
}
.header-nav a:hover { color: var(--gold-light); }
.header-nav a:hover::after { transform: scaleX(1); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: 16px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all 0.3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  background: rgba(8,8,8,0.97);
  border-top: 1px solid rgba(201,168,76,0.15);
  padding: 8px 0;
}
.mobile-nav.open { display: flex; }
.mobile-nav-link {
  padding: 14px 24px;
  color: var(--gray-light);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: color 0.2s, background 0.2s;
}
.mobile-nav-link:hover { color: var(--gold-light); background: rgba(201,168,76,0.05); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  filter: brightness(0.35) saturate(0.8);
}
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(0,0,0,0.85) 0%,
    rgba(0,0,0,0.5) 50%,
    rgba(20,10,0,0.3) 100%
  );
}

/* Gold grid texture */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(201,168,76,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  flex: 1 1 auto;
  padding: 60px 24px 60px 8%;
  max-width: 560px;
  min-width: 0;
}

.hero-eyebrow {
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-logo {
  height: 180px;
  width: auto;
  margin-bottom: 24px;
  display: block;
  filter: drop-shadow(0 0 24px rgba(201,168,76,0.5));
}

.hero-revolution {
  font-size: clamp(1.8rem, 3.8vw, 2.8rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
  line-height: 1.2;
  text-shadow: 0 2px 20px rgba(0,0,0,0.8);
  white-space: nowrap;
}

.hero-headline {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
  white-space: nowrap;
  color: rgba(255,255,255,0.9);
}

.hero-sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 40px;
  line-height: 1.9;
  white-space: nowrap;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero-price {
  font-size: 13px;
  color: var(--gray);
}

.hero-bottle {
  position: relative;
  z-index: 2;
  flex: 0 0 40%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-right: 4%;
}

.hero-bottle img {
  width: clamp(240px, 30vw, 390px);
  height: auto;
  max-height: min(75vh, 800px);
  object-fit: contain;
  filter: drop-shadow(0 20px 60px rgba(201,168,76,0.3)) drop-shadow(0 0 40px rgba(201,168,76,0.15));
  animation: float 5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%       { transform: translateY(-18px) rotate(1deg); }
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--gray);
  font-size: 10px;
  letter-spacing: 0.2em;
}
.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollLine 1.5s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
  background: linear-gradient(90deg, var(--dark2) 0%, #1f1600 50%, var(--dark2) 100%);
  border-top: 1px solid rgba(201,168,76,0.3);
  border-bottom: 1px solid rgba(201,168,76,0.3);
  padding: 32px 0;
}

.stats-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 16px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  flex: 1;
  min-width: 120px;
}

.stat-num {
  font-family: var(--font-en);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--gold-light);
  line-height: 1;
}

.stat-unit {
  font-family: var(--font-jp);
  font-size: 1rem;
  color: var(--gold);
  margin-left: 2px;
}

.stat-item p {
  font-size: 12px;
  color: var(--gray);
  margin-top: 6px;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(201,168,76,0.2);
  flex-shrink: 0;
}

/* ============================================================
   PROBLEM
   ============================================================ */
.problem {
  padding: 100px 0;
  background: var(--dark);
  text-align: center;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 52px;
}

.problem-card {
  background: var(--dark2);
  border: 1px solid rgba(201,168,76,0.12);
  border-radius: var(--radius);
  padding: 36px 20px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.problem-card:hover {
  border-color: rgba(201,168,76,0.4);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.problem-icon-wrap {
  font-size: 2.6rem;
  margin-bottom: 16px;
  line-height: 1;
}

.problem-card p { font-size: 18px; color: var(--gray-light); line-height: 1.7; }
.problem-card strong { color: var(--white); display: block; margin-top: 4px; }

.problem-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--gold);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.05em;
}

/* ============================================================
   FEATURES
   ============================================================ */
.features {
  padding: 100px 0;
  background: var(--black);
}

.features-layout {
  display: flex;
  align-items: center;
  gap: 64px;
}

.features-bottle {
  flex: 0 0 auto;
  position: relative;
}
.features-bottle img {
  width: clamp(140px, 16vw, 240px);
  height: auto;
  max-height: min(50vh, 560px);
  object-fit: contain;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 10px 40px rgba(201,168,76,0.2));
}
.features-bottle-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(201,168,76,0.12) 0%, transparent 65%);
  pointer-events: none;
}

.features-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 24px 28px;
  background: var(--dark2);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: background var(--transition), transform var(--transition);
}
.feature-item:hover {
  background: var(--dark3);
  transform: translateX(4px);
}

.feature-num {
  font-family: var(--font-en);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  flex-shrink: 0;
  min-width: 52px;
  opacity: 0.7;
}

.feature-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--gold-light);
}
.feature-body p { font-size: 17px; color: var(--gray-light); line-height: 1.7; }

/* ============================================================
   INGREDIENTS
   ============================================================ */
.ingredients {
  padding: 100px 0;
  background: var(--dark);
  text-align: center;
}

.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 52px;
}

.ingredient-card {
  background: var(--dark2);
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: var(--radius);
  padding: 36px 20px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.ingredient-card:hover {
  border-color: var(--gold);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(201,168,76,0.12);
}

.ingredient-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
  line-height: 1;
}

.ingredient-badge {
  display: inline-block;
  background: linear-gradient(135deg, #FFD700, #C9A84C, #FFD700);
  background-size: 200% 200%;
  animation: badge-shimmer 2.5s ease infinite;
  color: #000;
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 900;
  padding: 8px 22px;
  border-radius: 30px;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
  box-shadow: 0 0 18px rgba(201,168,76,0.7), 0 0 36px rgba(201,168,76,0.3);
  text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
@keyframes badge-shimmer {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.ingredient-badges-row {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 16px;
}
.ingredient-badges-row .ingredient-badge {
  margin-bottom: 0;
}
.ingredient-badge-sub {
  background: var(--dark4);
  color: var(--gold);
  border: 1px solid var(--gold);
}

.ingredient-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--white);
  line-height: 1.4;
}

.ingredient-role {
  font-size: 14px;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.ingredient-card p:last-child {
  font-size: 16px;
  color: var(--gray-light);
  line-height: 1.7;
}

/* Mechanism */
.mechanism {
  background: var(--dark2);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: var(--radius);
  padding: 40px 32px;
  margin-bottom: 32px;
}

.mechanism-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 32px;
  text-align: center;
}

.mechanism-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.mechanism-step {
  background: var(--dark3);
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: var(--radius);
  padding: 16px 20px;
  text-align: center;
  min-width: 100px;
}
.mechanism-step-gold {
  border-color: var(--gold);
  background: rgba(201,168,76,0.08);
}

.mechanism-step-icon { font-size: 1.8rem; margin-bottom: 8px; }
.mechanism-step p { font-size: 15px; color: var(--gray-light); line-height: 1.5; }
.mechanism-step strong { color: var(--gold-light); }

.mechanism-arrow-icon {
  font-size: 1.4rem;
  color: var(--gold);
  flex-shrink: 0;
}

.ingredients-raw {
  background: var(--dark2);
  border: 1px solid rgba(201,168,76,0.12);
  border-radius: var(--radius);
  padding: 24px 32px;
  text-align: left;
}

.ingredients-raw-label {
  font-size: 14px;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.ingredients-raw-text {
  font-size: 15px;
  color: var(--gray-light);
  line-height: 1.9;
}

/* ============================================================
   HOW TO USE
   ============================================================ */
.howto {
  padding: 100px 0;
  background: var(--black);
  text-align: center;
}

.howto-steps {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.howto-step {
  background: var(--dark2);
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: var(--radius);
  padding: 36px 28px;
  flex: 1;
  min-width: 200px;
  max-width: 260px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}
.howto-step:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
}

.howto-step-num {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 16px;
}

.howto-step-icon {
  font-size: 2.8rem;
  margin-bottom: 16px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.howto-step-icon--potion {
  display: flex;
  align-items: center;
  justify-content: center;
}

.potion-svg {
  width: 64px;
  height: 64px;
  filter: drop-shadow(0 0 6px rgba(58,138,58,0.5));
}

.howto-step p { font-size: 17px; color: var(--gray-light); line-height: 1.7; }
.howto-step strong { color: var(--white); }

.howto-arrow {
  font-size: 2rem;
  color: var(--gold);
  flex-shrink: 0;
  opacity: 0.6;
  align-self: center;
}

/* ============================================================
   SCENES
   ============================================================ */
.scenes {
  padding: 100px 0;
  background: var(--dark);
  text-align: center;
}

.scenes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.scene-card {
  background: var(--dark2);
  border: 1px solid rgba(201,168,76,0.12);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  text-align: left;
}
.scene-card:hover {
  transform: translateY(-8px);
  border-color: rgba(201,168,76,0.4);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}

.scene-img {
  height: 220px;
  background-size: cover;
  background-position: center;
  position: relative;
  transition: transform 0.5s ease;
}
.scene-card:hover .scene-img {
  transform: scale(1.04);
}
/* Clip overflow for zoom effect */
.scene-card { overflow: hidden; }

.scene-img::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60%;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
}

.scene-body {
  padding: 24px;
}
.scene-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gold-light);
  margin-bottom: 10px;
}
.scene-body p {
  font-size: 17px;
  color: var(--gray-light);
  line-height: 1.7;
}

/* ============================================================
   STORY
   ============================================================ */
.story {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.story-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.story-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.2) saturate(0.5);
}
.story-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(0,0,0,0.9) 0%,
    rgba(0,0,0,0.7) 60%,
    rgba(0,0,0,0.5) 100%
  );
}

.story-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 60px;
}

.story-text { flex: 1; }

.story-text p {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  line-height: 1.9;
  margin-bottom: 20px;
}
.story-text strong { color: var(--white); }

.story-subheading {
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.04em;
  margin-top: 32px;
  margin-bottom: 10px;
  padding-left: 12px;
  border-left: 3px solid var(--gold);
}

.story-sns {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid rgba(201,168,76,0.15);
}

.story-sns-label {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 14px;
}

.btn-sns {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.25s ease;
}

.btn-instagram {
  background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(220,39,67,0.3);
}
.btn-instagram:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 30px rgba(220,39,67,0.5);
}

.story-bottle { flex: 0 0 auto; }
.story-bottle img {
  width: clamp(120px, 14vw, 200px);
  height: auto;
  max-height: min(50vh, 460px);
  object-fit: contain;
  filter: drop-shadow(0 10px 40px rgba(201,168,76,0.25));
}

/* ============================================================
   PRODUCT SPECS
   ============================================================ */
.specs {
  padding: 100px 0;
  background: var(--dark);
  text-align: center;
}

.specs-table-wrap {
  max-width: 700px;
  margin: 0 auto;
  background: var(--dark2);
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: var(--radius);
  overflow: hidden;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.specs-table th, .specs-table td {
  padding: 18px 24px;
  border-bottom: 1px solid rgba(201,168,76,0.08);
  font-size: 17px;
}

.specs-table th {
  color: var(--gold);
  font-weight: 700;
  width: 35%;
  white-space: nowrap;
  background: rgba(201,168,76,0.04);
}

.specs-table td { color: var(--gray-light); }
.specs-table tr:last-child th,
.specs-table tr:last-child td { border-bottom: none; }

/* ============================================================
   PURCHASE
   ============================================================ */
.purchase {
  padding: 100px 0;
  background: var(--black);
  text-align: center;
}

.purchase-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: start;
}

.purchase-card {
  background: var(--dark2);
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: left;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.purchase-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.purchase-card-main {
  border-color: var(--gold);
  box-shadow: 0 0 40px rgba(201,168,76,0.12);
}

.purchase-card-recommended {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  color: var(--black);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 16px;
  border-radius: 20px;
}

.purchase-card-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-light) 100%);
  color: var(--black);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.purchase-card-badge-silver {
  background: linear-gradient(135deg, #666 0%, #bbb 100%);
}

.purchase-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--white);
}

.purchase-price {
  font-family: var(--font-en);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--gold-light);
  margin-bottom: 20px;
  line-height: 1;
}
.purchase-price span {
  font-size: 0.85rem;
  color: var(--gray);
  font-family: var(--font-jp);
  margin-left: 4px;
}

.purchase-features {
  list-style: none;
  margin-bottom: 28px;
}
.purchase-features li {
  font-size: 16px;
  color: var(--gray-light);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.purchase-card > p {
  font-size: 16px;
  color: var(--gray-light);
  margin-bottom: 20px;
  line-height: 1.7;
}

.purchase-note {
  font-size: 14px;
  color: var(--gray);
  margin-top: 12px;
}

.shipping-notice {
  margin-top: 32px;
  text-align: center;
  color: var(--gray);
  font-size: 1rem;
}
.shipping-link {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.shipping-link:hover {
  opacity: 0.8;
}

/* ============================================================
   SHIPPING
   ============================================================ */
.shipping {
  padding: 100px 0;
  background: var(--dark);
  text-align: center;
}

.shipping-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  text-align: left;
}

.shipping-info, .shipping-table-wrap {
  background: var(--dark2);
  border: 1px solid rgba(201,168,76,0.12);
  border-radius: var(--radius);
  padding: 32px;
}

.shipping-info h3,
.shipping-table-wrap h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gold-light);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(201,168,76,0.15);
}

.shipping-info ul { list-style: none; }
.shipping-info li {
  font-size: 14px;
  color: var(--gray-light);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.shipping-info strong { color: var(--white); }

.shipping-table {
  width: 100%;
  border-collapse: collapse;
}
.shipping-table th, .shipping-table td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid rgba(201,168,76,0.08);
  text-align: left;
}
.shipping-table th { color: var(--gold); font-weight: 700; }
.shipping-table td { color: var(--gray-light); }
.shipping-table tr:last-child th,
.shipping-table tr:last-child td { border-bottom: none; }

.shipping-single {
  background: var(--dark2);
  border: 1px solid rgba(201,168,76,0.12);
  border-radius: var(--radius);
  padding: 32px 40px;
  max-width: 600px;
  margin: 0 auto;
}

.shipping-single ul { list-style: none; }
.shipping-single li {
  font-size: 14px;
  color: var(--gray-light);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.shipping-single li:last-child { border-bottom: none; }
.shipping-single strong { color: var(--white); }

/* ============================================================
   LINE BANNER
   ============================================================ */
.line-banner {
  padding: 60px 0;
  background: var(--dark2);
  border-top: 1px solid rgba(6,199,85,0.15);
  border-bottom: 1px solid rgba(6,199,85,0.15);
}

.line-banner-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  background: rgba(6,199,85,0.06);
  border: 1px solid rgba(6,199,85,0.2);
  border-radius: 12px;
  padding: 32px 40px;
  flex-wrap: wrap;
}

.line-banner-icon {
  flex-shrink: 0;
}

.line-banner-text {
  flex: 1;
  min-width: 200px;
}

.line-banner-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.line-banner-sub {
  font-size: 13px;
  color: var(--gray);
}

.line-banner-btn {
  flex-shrink: 0;
  white-space: nowrap;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq {
  padding: 100px 0;
  background: var(--black);
  text-align: center;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

.faq-item {
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:hover { border-color: rgba(201,168,76,0.35); }
.faq-item.open { border-color: var(--gold); }

.faq-q {
  width: 100%;
  background: var(--dark2);
  border: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  color: var(--white);
  font-family: var(--font-jp);
  font-size: 17px;
  font-weight: 700;
  text-align: left;
  transition: background var(--transition);
}
.faq-q:hover { background: var(--dark3); }
.faq-item.open .faq-q { background: rgba(201,168,76,0.08); }

.faq-icon {
  font-size: 1.4rem;
  color: var(--gold);
  flex-shrink: 0;
  transition: transform var(--transition);
  line-height: 1;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  background: var(--dark2);
}
.faq-item.open .faq-a {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-a p {
  font-size: 16px;
  color: var(--gray-light);
  line-height: 1.8;
  padding-top: 4px;
}

/* ============================================================
   FINAL CTA
   ============================================================ */
.final-cta {
  padding: 140px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.final-cta-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.25) saturate(0.6);
}
.final-cta-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(30,15,0,0.7) 0%, rgba(0,0,0,0.85) 100%);
}

/* Gold grid */
.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.final-cta-inner {
  position: relative;
  z-index: 2;
}

.final-cta-logo {
  height: 64px;
  width: auto;
  margin-bottom: 28px;
  filter: drop-shadow(0 0 24px rgba(201,168,76,0.6));
}

.final-cta h2 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 900;
  margin-bottom: 20px;
}

.final-cta p {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 44px;
  line-height: 1.9;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #050505;
  border-top: 1px solid rgba(201,168,76,0.12);
  padding: 52px 0 36px;
}

.footer-inner { text-align: center; }

.footer-logo {
  height: 32px;
  width: auto;
  margin-bottom: 28px;
  opacity: 0.6;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.footer-nav a {
  color: var(--gray);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--gold-light); }

.footer-sns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.footer-sns-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  background: rgba(255,255,255,0.06);
  color: var(--gray-light);
  border: 1px solid rgba(255,255,255,0.1);
  transition: all 0.25s ease;
}
.footer-sns-link:hover {
  background: rgba(201,168,76,0.12);
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateY(-2px);
}

.footer-sns-line {
  background: rgba(6,199,85,0.08);
  border-color: rgba(6,199,85,0.3);
  color: #06C755;
}
.footer-sns-line:hover {
  background: rgba(6,199,85,0.18);
  border-color: #06C755;
  color: #06C755;
}

.footer-copy {
  font-size: 12px;
  color: #444;
  margin-bottom: 12px;
}

.footer-disclaimer {
  font-size: 11px;
  color: #333;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.footer-legal {
  font-size: 12px;
  margin-top: 12px;
}
.footer-legal a {
  color: var(--gold);
  text-decoration: none;
}
.footer-legal a:hover { text-decoration: underline; }

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 99;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold-light));
  color: var(--black);
  border: none;
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s, transform 0.3s;
  box-shadow: 0 4px 20px rgba(201,168,76,0.4);
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(201,168,76,0.5);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
/* ============================================================
   RESPONSIVE – 900px (tablet)
   ============================================================ */
@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 80px;
    min-height: auto;
    padding-bottom: 60px;
  }
  .hero-content {
    padding: 48px 24px 0;
    max-width: 100%;
  }
  .hero-revolution { white-space: normal; font-size: clamp(1.3rem, 4.5vw, 2rem); }
  .hero-headline    { white-space: normal; font-size: clamp(1.2rem, 4vw, 1.8rem); }
  .hero-sub { white-space: normal; }
  .hero-cta-group { justify-content: center; flex-wrap: wrap; }
  .hero-bottle { padding: 16px 24px 0; flex: 0 0 auto; order: -1; display: flex; justify-content: center; width: 100%; }
  .hero-bottle img { width: clamp(90px, 26vw, 150px); height: auto; object-fit: contain; }
  .hero-scroll-hint { display: none; }

  .features-layout { flex-direction: column; text-align: center; }
  .features-bottle { margin: 0 auto; }
  .features-bottle img { width: clamp(120px, 30vw, 200px); max-height: none; height: auto; }

  .story-inner { flex-direction: column; text-align: center; gap: 24px; }
  .story-bottle { order: -1; display: flex; justify-content: center; }
  .story-bottle img { width: clamp(100px, 28vw, 160px); height: auto; object-fit: contain; }
  .story-sns { justify-content: center; }

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

  .header-nav { display: none; }
  .hamburger { display: flex; margin-left: auto; }
  .header-inner .btn-sm { display: none; }

  .mechanism-flow { gap: 8px; }
  .mechanism-step { min-width: 80px; padding: 12px; }

  .purchase-cards { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .purchase-card-main { grid-column: auto; }

  .stats-inner { gap: 16px; flex-wrap: wrap; justify-content: center; }
  .stat-item { min-width: 140px; }

  .ingredient-cards { grid-template-columns: 1fr 1fr; }

  .line-banner-inner { flex-direction: column; text-align: center; align-items: center; }
  .line-banner-btn { width: 100%; max-width: 320px; }
}

/* ============================================================
   RESPONSIVE – 600px (mobile)
   ============================================================ */
@media (max-width: 600px) {
  /* Typography */
  .section-title { font-size: 1.4rem; margin-bottom: 32px; }
  .section-label { font-size: 10px; }

  /* Header */
  .header-logo-big { height: 40px; }
  .header-inner { padding: 12px 16px; }

  /* Hero */
  .hero { padding-top: 70px; }
  .hero-content { padding: 32px 16px 0; }
  .hero-revolution { font-size: clamp(1.1rem, 5.5vw, 1.6rem); }
  .hero-headline    { font-size: clamp(1rem, 5vw, 1.4rem); }
  .hero-sub { font-size: 13px; }
  .hero-logo { height: 80px; }
  .hero-bottle img { width: clamp(82px, 24vw, 120px); height: auto; object-fit: contain; }
  .btn-lg { padding: 14px 24px; font-size: 15px; }
  .btn-xl { padding: 16px 32px; font-size: 16px; }
  .hero-cta-group { flex-direction: column; gap: 12px; }
  .hero-cta-group .btn { width: 100%; max-width: 320px; }

  /* Stats */
  .stat-divider { display: none; }
  .stats-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 8px; padding: 0 16px; }
  .stat-item { min-width: 0; }
  .stat-num { font-size: 1.8rem; }
  .stat-label { font-size: 11px; }

  /* Problem */
  .problem-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .problem-card { padding: 20px 16px; }
  .problem-icon { font-size: 2rem; }
  .problem-card h3 { font-size: 0.9rem; }
  .problem-card p { font-size: 12px; }

  /* Features */
  .feature-list { gap: 20px; }
  .feature-item { flex-direction: column; text-align: center; }
  .feature-icon { margin: 0 auto 12px; }

  /* Ingredients */
  .ingredient-cards { grid-template-columns: 1fr; }
  .ingredient-card { padding: 24px 20px; }

  /* How to */
  .howto { padding: 60px 0; }
  .howto-steps { flex-direction: row; flex-wrap: nowrap; gap: 4px; align-items: stretch; overflow-x: visible; }
  .howto-step { min-width: 0; flex: 1; padding: 16px 8px; text-align: center; }
  .howto-arrow { font-size: 1rem; flex-shrink: 0; transform: none; }
  .howto-step-icon { font-size: 1.6rem; margin-bottom: 8px; }
  .potion-svg { width: 36px; height: 36px; }
  .howto-step-num { font-size: 9px; margin-bottom: 8px; }
  .howto-step h3 { font-size: 0.8rem; margin-bottom: 6px; }
  .howto-step p { font-size: 11px; line-height: 1.5; }

  /* Scenes */
  .scenes-grid { grid-template-columns: 1fr; }

  /* Features */
  .features-bottle img { width: clamp(100px, 28vw, 150px); max-height: 200px; height: auto; object-fit: contain; }

  /* Story */
  .story { padding: 80px 0; }
  .story-text { overflow: hidden; }
  .story-text p { font-size: 16px; overflow-wrap: break-word; word-break: break-word; }
  .story-subheading { font-size: 17px; padding-left: 0; border-left: none; border-bottom: 2px solid var(--gold); padding-bottom: 6px; display: inline-block; }
  .story-bottle img { width: clamp(100px, 28vw, 150px); height: auto; object-fit: contain; }

  /* Specs */
  .specs-table th, .specs-table td { padding: 12px 14px; font-size: 15px; }
  .specs-table th { white-space: normal; word-break: keep-all; }
  .specs-table td { word-break: break-word; overflow-wrap: break-word; }

  /* Purchase */
  .purchase-cards { max-width: 100%; }
  .purchase-card { padding: 28px 20px; }
  .purchase-features li { font-size: 15px; }
  .purchase-card > p { font-size: 15px; word-break: break-word; overflow-wrap: break-word; }
  .purchase-note { font-size: 13px; }
  .shipping-notice { font-size: 14px; word-break: break-word; overflow-wrap: break-word; }

  /* LINE Banner */
  .line-banner { padding: 40px 0; }
  .line-banner-inner { padding: 24px 20px; }
  .line-banner-title { font-size: 1rem; }

  /* FAQ */
  .faq-q { padding: 16px 20px; font-size: 16px; word-break: break-word; overflow-wrap: break-word; }
  .faq-a p { font-size: 15px; word-break: break-word; overflow-wrap: break-word; }

  /* Final CTA */
  .final-cta { padding: 80px 0; }
  .final-cta h2 { font-size: 1.6rem; }
  .final-cta-logo { height: 60px; }

  /* Footer */
  .footer-inner { gap: 20px; }
  .footer-nav { gap: 16px; }
  .footer-sns { gap: 12px; }
  .footer-sns-link { padding: 8px 14px; font-size: 12px; }

  /* Back to top */
  .back-to-top { bottom: 20px; right: 16px; width: 42px; height: 42px; font-size: 1rem; }

  /* Container */
  .container { padding: 0 16px; }
}


/* ========== DOWNLOAD SECTION ========== */
.download {
  padding: 100px 0;
  background: linear-gradient(180deg, #0a0a0a 0%, #111 50%, #0a0a0a 100%);
  position: relative;
}
.download::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #c9a84c, transparent);
}
.download-header { text-align: center; margin-bottom: 60px; }
.download-desc { color: #aaa; font-size: 1rem; line-height: 1.8; margin-top: 16px; }
.download-content { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.download-previews { display: flex; flex-direction: column; gap: 24px; }
.download-preview-card {
  display: flex; gap: 20px; align-items: center;
  background: rgba(255,255,255,0.03); border: 1px solid rgba(201,168,76,0.2);
  border-radius: 12px; padding: 20px; transition: border-color 0.3s, background 0.3s;
}
.download-preview-card:hover { border-color: rgba(201,168,76,0.5); background: rgba(201,168,76,0.05); }
.download-preview-img { flex-shrink: 0; width: 80px; }
.pop-thumbnail { width: 80px; height: auto; border-radius: 4px; display: block; }
.download-preview-info { flex: 1; }
.download-tag {
  display: inline-block; background: rgba(201,168,76,0.15); color: #c9a84c;
  border: 1px solid rgba(201,168,76,0.3); border-radius: 4px;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.05em; padding: 2px 8px; margin-bottom: 8px;
}
.download-preview-info h3 { font-size: 0.95rem; color: #fff; margin: 0 0 6px; font-weight: 600; }
.download-preview-info p { font-size: 0.85rem; color: #888; margin: 0; line-height: 1.5; }
.download-form-wrap { position: sticky; top: 100px; }
.download-form-box {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(201,168,76,0.3);
  border-radius: 16px; padding: 40px 36px;
}
.download-form-title { font-size: 1.2rem; color: #fff; margin: 0 0 12px; font-weight: 700; }
.download-form-note { color: #aaa; font-size: 0.9rem; line-height: 1.7; margin-bottom: 28px; }
.download-form-btn {
  display: flex; align-items: center; justify-content: center;
  width: 100%; font-size: 1rem; padding: 16px 24px; margin-bottom: 28px; text-decoration: none;
}
.download-form-items { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-direction: column; gap: 8px; }
.download-form-items li { color: #ccc; font-size: 0.875rem; padding-left: 20px; position: relative; }
.download-form-items li::before { content: '✓'; position: absolute; left: 0; color: #c9a84c; font-weight: 700; }
.download-form-privacy {
  color: #666; font-size: 0.75rem; line-height: 1.6; margin: 0;
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 16px;
}
@media (max-width: 900px) {
  .download-content { grid-template-columns: 1fr; gap: 32px; }
  .download-form-wrap { position: static; }
}
@media (max-width: 600px) {
  .download { padding: 60px 0; }
  .download-header { margin-bottom: 40px; }
  .download-form-box { padding: 28px 20px; }
  .download-preview-card { flex-direction: column; align-items: flex-start; }
  .download-preview-img { width: 60px; }
  .pop-thumbnail { width: 60px; }
}

/* ========== LINE QR CODE (ORDER SECTION) ========== */
.purchase-line-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 20px 0 16px;
}
.line-qr-img {
  width: 160px;
  height: 160px;
  object-fit: contain;
  border-radius: 12px;
  border: 3px solid #06C755;
  padding: 6px;
  background: #fff;
}
.line-qr-caption {
  font-size: 0.78rem;
  color: #aaa;
  margin-top: 8px;
  text-align: center;
}
@media (max-width: 600px) {
  .line-qr-img { width: 130px; height: 130px; }
}
