/* ============================================================
   合同会社BISIN — style.css
   Design System + All Pages
   ============================================================ */

/* ============================================================
   1. CSS Variables (Design Tokens)
   ============================================================ */
:root {
  /* Colors — CoolSpa Blue Medical Aesthetics */
  --color-bg:         #0A2A52;
  --color-bg-2:       #061C36;
  --color-surface:    rgba(6,28,54,0.82);
  --color-surface-2:  rgba(6,28,54,0.92);
  --color-border:     rgba(75,179,255,0.15);
  --color-border-2:   rgba(75,179,255,0.40);

  --color-primary:    #4BB3FF;   /* ice blue */
  --color-primary-dim:#1E6EDB;
  --color-accent:     #EAF6FF;   /* light ice white */
  --color-silver:     #7EA8C8;

  --color-text:       #EAF6FF;
  --color-text-muted: #CBD8E7;
  --color-text-dim:   rgba(203,216,231,0.5);

  --color-white:      #ffffff;
  --color-danger:     #e05a5a;

  /* Gradients */
  --gradient-hero:    linear-gradient(180deg, #1E4F8A 0%, #123E73 35%, #0A2A52 70%, #061C36 100%);
  --gradient-glow:    radial-gradient(ellipse at center, rgba(75,179,255,0.18) 0%, transparent 70%);
  --gradient-card:    linear-gradient(145deg, rgba(255,255,255,0.88) 0%, rgba(255,255,255,0.78) 100%);
  --gradient-cta:     linear-gradient(135deg, #0A2A52 0%, #061C36 100%);

  /* Typography */
  --font-ja:          'Noto Serif JP', 'Yu Mincho', '游明朝', serif;
  --font-en:          'Montserrat', 'Helvetica Neue', sans-serif;
  --font-body:        'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;

  /* Spacing */
  --space-xs:   0.5rem;
  --space-sm:   1.25rem;
  --space-md:   2.5rem;
  --space-lg:   5rem;
  --space-xl:   8rem;
  --space-2xl:  12rem;

  /* Sizing */
  --container:  1200px;
  --nav-height: 72px;

  /* Borders */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  /* Shadows */
  --shadow-glow:  0 0 40px rgba(75,179,255,0.28);
  --shadow-card:  0 4px 32px rgba(0,0,0,0.25);
  --shadow-btn:   0 4px 24px rgba(75,179,255,0.55);

  /* Transitions */
  --transition:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.8;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

address {
  font-style: normal;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   3. Typography
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-ja);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.04em;
}

/* H1 — ページタイトル / Hero */
h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.25;
  letter-spacing: 0.06em;
}

/* H2 — セクション見出し */
h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.35;
  letter-spacing: 0.06em;
}

/* H3 — カード・リスト見出し */
h3 {
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.5;
  letter-spacing: 0.04em;
}

/* Body text */
p {
  font-size: 0.9625rem;
  line-height: 1.95;
  color: var(--color-text-muted);
}

.section-eyebrow {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-ja);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 400;
  color: var(--color-white);
  margin-bottom: 1.25rem;
  letter-spacing: 0.06em;
  line-height: 1.35;
}

.section-subtitle {
  font-size: 0.9625rem;
  color: var(--color-text-muted);
  line-height: 2;
  margin-bottom: var(--space-lg);
  max-width: 640px;
}

/* Section header block — eyebrow + title + subtitle をまとめたコンテナ */
.section-header {
  margin-bottom: var(--space-lg);
}

/* ============================================================
   4. Layout
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

section {
  padding: clamp(5rem, 10vw, 8rem) 0;
}

/* Narrow content column for text-heavy sections */
.container--narrow {
  max-width: 800px;
}

/* ============================================================
   5. Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, #D9B85C 0%, #C9A34B 55%, #A8862E 100%);
  color: #0a0905;
  border: 1px solid transparent;
  box-shadow: 0 2px 14px rgba(201,163,75,0.25), inset 0 1px 0 rgba(255,255,255,0.15);
  font-weight: 700;
}

.btn--primary:hover {
  background: linear-gradient(135deg, #E8C96A 0%, #D9B85C 55%, #C9A34B 100%);
  box-shadow: var(--shadow-btn), inset 0 1px 0 rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 1px 6px rgba(201,163,75,0.2);
}

.btn--outline {
  background: rgba(201,163,75,0.04);
  color: var(--color-accent);
  border: 1px solid var(--color-border-2);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(201,163,75,0.08);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(201,163,75,0.12);
}

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

.btn--large {
  padding: 1.125rem 2.5rem;
  font-size: 0.9rem;
}

/* ============================================================
   6. Navigation
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(4, 13, 26, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}

.site-header.scrolled {
  background: rgba(4, 13, 26, 0.98);
}

.nav {
  display: flex;
  align-items: center;
  height: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
  gap: var(--space-md);
}

.nav__logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  margin-right: auto;
}

.nav__logo-en {
  font-family: var(--font-en);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-white);
}

.nav__logo-ja {
  font-family: var(--font-body);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav__links a {
  font-family: var(--font-body);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  position: relative;
  padding-bottom: 2px;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width var(--transition);
}

.nav__links a:hover,
.nav__links a.nav__link--active {
  color: var(--color-white);
}

.nav__links a:hover::after,
.nav__links a.nav__link--active::after {
  width: 100%;
}

.nav__cta {
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-border-2);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  transition: all var(--transition);
}

.nav__cta:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(201, 163, 75, 0.06);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
}

.nav__hamburger span {
  display: block;
  height: 1px;
  background: var(--color-accent);
  transition: all var(--transition);
}

/* ============================================================
   6b. Language Switch UI
   ============================================================ */
/* Language Picker — dropdown */
.lang-picker {
  position: relative;
  flex-shrink: 0;
}

.lang-picker__trigger {
  display: flex;
  align-items: center;
  gap: 0.38rem;
  padding: 0.42rem 0.85rem;
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  white-space: nowrap;
  line-height: 1;
}

.lang-picker__trigger:hover {
  color: var(--color-accent);
  border-color: rgba(201, 163, 75, 0.4);
  background: rgba(201, 163, 75, 0.05);
}

.lang-picker.open .lang-picker__trigger {
  color: var(--color-primary);
  border-color: rgba(201, 163, 75, 0.5);
  background: rgba(201, 163, 75, 0.07);
}

.lang-picker__globe {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  opacity: 0.65;
}

.lang-picker__chevron {
  width: 11px;
  height: 11px;
  flex-shrink: 0;
  opacity: 0.55;
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.lang-picker.open .lang-picker__chevron {
  transform: rotate(180deg);
  opacity: 0.9;
}

/* Dropdown panel */
.lang-picker__panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 172px;
  background: var(--color-surface);
  border: 1px solid rgba(201, 163, 75, 0.18);
  border-radius: var(--radius-md);
  box-shadow:
    0 4px 6px rgba(0, 0, 0, 0.3),
    0 16px 48px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  overflow: hidden;
  opacity: 0;
  transform: translateY(-8px) scale(0.96);
  pointer-events: none;
  transition:
    opacity 0.22s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 1000;
  transform-origin: top right;
}

.lang-picker.open .lang-picker__panel {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.lang-picker__panel-header {
  padding: 0.55rem 1rem 0.45rem;
  font-family: var(--font-en);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  border-bottom: 1px solid rgba(201, 163, 75, 0.08);
}

/* Options */
.lang-picker__item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  width: 100%;
  padding: 0.72rem 1rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-top: 1px solid rgba(201, 163, 75, 0.05);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  text-align: left;
}

.lang-picker__item:first-of-type {
  border-top: none;
}

.lang-picker__item:hover {
  background: rgba(201, 163, 75, 0.07);
  color: var(--color-accent);
}

.lang-picker__item--active {
  color: var(--color-primary);
}

.lang-picker__item--active:hover {
  background: rgba(201, 163, 75, 0.09);
  color: var(--color-primary);
}

.lang-picker__code {
  font-family: var(--font-en);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  background: rgba(201, 163, 75, 0.08);
  border: 1px solid rgba(201, 163, 75, 0.15);
  border-radius: 3px;
  padding: 0.1rem 0.38rem;
  min-width: 28px;
  text-align: center;
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.lang-picker__item--active .lang-picker__code,
.lang-picker__item:hover .lang-picker__code {
  background: rgba(201, 163, 75, 0.18);
  border-color: rgba(201, 163, 75, 0.38);
  color: var(--color-primary);
}

.lang-picker__name {
  flex: 1;
  font-family: var(--font-body);
}

.lang-picker__check {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  color: var(--color-primary);
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 0.15s, transform 0.15s;
}

.lang-picker__item--active .lang-picker__check {
  opacity: 1;
  transform: scale(1);
}

/* lang-picker visible on mobile — see THEME OVERRIDES section */

/* ============================================================
   7. Hero Section (index.html)
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

#particles-canvas {
  width: 100%;
  height: 100%;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: calc(var(--nav-height) + 2rem) var(--space-md) var(--space-xl);
  max-width: 800px;
}

.hero__eyebrow {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.3s forwards;
}

.hero__title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.5s forwards;
}

.hero__title-en {
  font-family: var(--font-en);
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 200;
  letter-spacing: 0.2em;
  color: var(--color-white);
  line-height: 1;
  text-shadow: 0 0 80px rgba(201, 163, 75, 0.25);
}

.hero__title-ja {
  font-family: var(--font-ja);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--color-accent);
}

.hero__desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 2.2;
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.7s forwards;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.9s forwards;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  z-index: 1;
  opacity: 0;
  animation: fadeIn 1s ease 1.5s forwards;
}

.hero__scroll-indicator span {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--color-text-dim);
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ============================================================
   8. Overview Cards (index.html)
   ============================================================ */
.overview {
  background: var(--color-bg-2);
  padding: var(--space-xl) 0;
}

.overview__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.overview-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-lg) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,0.35);
}

.overview-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.overview-card:hover {
  background: var(--color-surface-2);
  border-color: var(--color-border-2);
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(201,163,75,0.12);
}

.overview-card:hover::before {
  transform: scaleX(1);
}

.overview-card__en {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.overview-card__title {
  font-family: var(--font-ja);
  font-size: 1.25rem;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.overview-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  flex: 1;
}

.overview-card__arrow {
  display: inline-block;
  margin-top: var(--space-md);
  font-size: 1.25rem;
  color: var(--color-primary);
  transition: transform var(--transition);
}

.overview-card:hover .overview-card__arrow {
  transform: translateX(6px);
}

/* ============================================================
   9. Stats Section
   ============================================================ */
.stats-section {
  background: var(--color-bg);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  text-align: center;
}

.stat {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.stat__number {
  font-family: var(--font-en);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 200;
  color: var(--color-white);
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat__unit {
  font-family: var(--font-en);
  font-size: 1rem;
  color: var(--color-primary);
  font-weight: 300;
  margin-left: 0.25rem;
}

.stat__label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
}

/* ============================================================
   10. CTA Banner
   ============================================================ */
.cta-banner {
  background: var(--gradient-cta);
  border-top: 1px solid var(--color-border);
  text-align: center;
  padding: var(--space-xl) 0;
}

.cta-banner__title {
  font-family: var(--font-ja);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.cta-banner__desc {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
}

/* ============================================================
   11. Page Hero (内ページ共通)
   ============================================================ */
.page-hero {
  padding: calc(var(--nav-height) + var(--space-xl)) 0 var(--space-xl);
  background: var(--gradient-hero);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  pointer-events: none;
}

.page-hero__en {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.page-hero__title {
  font-family: var(--font-ja);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  color: var(--color-white);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.page-hero__desc {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 2;
}

/* ============================================================
   12. About Page
   ============================================================ */
.about-mission {
  background: var(--color-bg);
}

.about-mission__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.about-mission__text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  font-size: 0.95rem;
  line-height: 2;
}

.about-mission__visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
  max-width: 72%;
  margin-left: auto;
}

.about-mission__photo {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
}

.about-values {
  background: var(--color-bg-2);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.value-card {
  padding: var(--space-lg) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  box-shadow: 0 2px 16px rgba(0,0,0,0.35);
}

.value-card:hover {
  border-color: var(--color-border-2);
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 0 1px rgba(201,163,75,0.1);
}

.value-card__num {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.value-card__title {
  font-family: var(--font-ja);
  font-size: 1.1rem;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.value-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.9;
}

.company-info {
  background: var(--color-bg);
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-lg);
  font-size: 0.9rem;
}

.info-table tr {
  border-bottom: 1px solid var(--color-border);
}

.info-table th {
  width: 200px;
  padding: 1.25rem var(--space-md);
  text-align: left;
  color: var(--color-text-muted);
  font-weight: 400;
  font-family: var(--font-body);
  letter-spacing: 0.05em;
  vertical-align: top;
}

.info-table td {
  padding: 1.25rem var(--space-md);
  color: var(--color-text);
  line-height: 1.8;
}

.info-table a {
  color: var(--color-primary);
}

.info-table a:hover {
  text-decoration: underline;
}

/* ============================================================
   13. Product Page
   ============================================================ */
.product-showcase {
  background: var(--color-bg);
}

.product-showcase__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.product-machine-img {
  width: 100%;
  max-width: 480px;
  height: auto;
  display: block;
  margin: 0 auto;
  filter: drop-shadow(0 20px 60px rgba(201,163,75,0.18));
}

.product-showcase__intro p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 2;
  margin-bottom: var(--space-sm);
}

.product-showcase__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--space-md);
}

.badge {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 0.375rem 0.875rem;
  border: 1px solid var(--color-border-2);
  border-radius: 2px;
  color: var(--color-accent);
  background: rgba(201,163,75,0.05);
}

/* ============================================================
   Cryo Info Sections (5 panels)
   ============================================================ */
.cryo-section {
  overflow: hidden;
}

.cryo-section--odd {
  background: var(--color-bg);
}

.cryo-section--even {
  background: var(--color-bg-2);
}

.cryo-section__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.cryo-section--even .cryo-section__layout {
  direction: rtl;
}

.cryo-section--even .cryo-section__text,
.cryo-section--even .cryo-section__img-wrap {
  direction: ltr;
}

.cryo-section__title {
  font-family: var(--font-ja);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 500;
  color: var(--color-white);
  line-height: 1.4;
  margin-bottom: var(--space-md);
}

.cryo-section__body {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cryo-section__body p {
  font-family: var(--font-ja);
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.9;
}

.cryo-section__hl {
  font-size: 1.05rem !important;
  font-weight: 600 !important;
  line-height: 1.7 !important;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
}

.cryo-section__hl--blue {
  color: #5bc4e8 !important;
  background: rgba(91,196,232,0.07);
  border-left: 3px solid #5bc4e8;
}

.cryo-section__hl--gold {
  color: var(--color-primary) !important;
  background: rgba(201,163,75,0.07);
  border-left: 3px solid var(--color-primary);
}

.cryo-section__hl--red {
  color: #e07060 !important;
  background: rgba(224,112,96,0.07);
  border-left: 3px solid #e07060;
}

.cryo-section__img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.4);
}

.cryo-section__img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
}

/* Benefits list (mechanism section) */
.cryo-benefits {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.cryo-benefits__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 1.1rem var(--space-md);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-ja);
  font-size: 1.05rem;
  color: var(--color-text-muted);
  transition: background var(--transition);
}

.cryo-benefits__item:last-child {
  border-bottom: none;
}

.cryo-benefits__item:hover {
  background: var(--color-surface-2);
}

.cryo-benefits__check {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(91,196,232,0.12);
  border: 1.5px solid #5bc4e8;
  color: #5bc4e8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.cryo-benefits__key {
  font-weight: 700;
}

.cryo-benefits__key--red {
  color: #e07060;
}

/* Compare cards (section ③) */
.cryo-compare-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.cryo-compare-card {
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  border-left: 3px solid;
}

.cryo-compare-card--diet {
  background: rgba(201,122,42,0.06);
  border-color: #c97a2a;
}

.cryo-compare-card--cryo {
  background: rgba(201,163,75,0.06);
  border-color: var(--color-primary);
}

.cryo-compare-card__label {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  font-family: var(--font-ja);
  padding: 0.2rem 0.7rem;
  border-radius: 2px;
  margin-bottom: 0.6rem;
  background: rgba(201,122,42,0.15);
  color: #e09050;
}

.cryo-compare-card__label--cryo {
  background: rgba(201,163,75,0.12);
  color: var(--color-primary);
}

.cryo-compare-card p {
  font-family: var(--font-ja);
  font-size: 0.9rem !important;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin: 0;
}

.cryo-compare-card__hl {
  font-weight: 700 !important;
  font-size: 0.95rem !important;
  margin-top: 0.25rem !important;
}

.cryo-compare-card__hl--neg { color: #e07060 !important; }
.cryo-compare-card__hl--pos { color: var(--color-primary) !important; }

/* ============================================================
   VS Diet Section
   ============================================================ */
.product-vs-diet {
  background: var(--color-bg-2);
  overflow: hidden;
}

.vs-diet__lead {
  max-width: 580px;
  margin: 0 auto var(--space-xl);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.9;
}

.vs-diet__grid {
  display: grid;
  grid-template-columns: 1fr 56px 1fr;
  gap: 0;
  align-items: start;
  margin-top: var(--space-lg);
}

/* Panel */
.vs-diet__panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: relative;
}

.vs-diet__panel--diet {
  border-top: 3px solid #c97a2a;
}

.vs-diet__panel--cryo {
  border-top: 3px solid var(--color-primary);
  background: linear-gradient(160deg, rgba(201,163,75,0.04) 0%, var(--color-surface) 40%);
}

/* Badge */
.vs-diet__panel-badge {
  display: inline-block;
  font-family: var(--font-ja);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  padding: 0.3rem 0.9rem;
  border-radius: 2px;
  background: rgba(201,122,42,0.12);
  color: #e09050;
  border: 1px solid rgba(201,122,42,0.3);
  align-self: flex-start;
}

.vs-diet__panel-badge--cryo {
  background: rgba(201,163,75,0.1);
  color: var(--color-primary);
  border-color: rgba(201,163,75,0.3);
}

/* Visual area */
.vs-diet__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
}

.vs-diet__cells-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  width: 100%;
}

/* Fat cells grid */
.vs-cells {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: var(--space-sm);
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

/* Individual fat cell */
.vc {
  display: block;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #f0b060, #d07020);
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  transition: transform 0.3s ease;
}

.vc--lg { width: 28px; height: 28px; }
.vc--sm { width: 16px; height: 16px; }

.vs-cells--after-cryo {
  grid-template-columns: repeat(3, 1fr);
  min-height: 88px;
  align-content: start;
}

/* Arrow */
.vs-diet__arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.vs-diet__arrow span {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  font-family: var(--font-ja);
  white-space: nowrap;
}

.vs-diet__arrow--diet {
  color: #c97a2a;
}

.vs-diet__arrow--diet svg {
  width: 40px;
  color: #c97a2a;
}

.vs-diet__arrow--cryo {
  color: var(--color-primary);
}

.vs-diet__arrow--cryo svg {
  width: 40px;
  color: var(--color-primary);
}

/* Caption */
.vs-diet__caption {
  font-family: var(--font-ja);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.7;
  letter-spacing: 0.05em;
}

.vs-diet__caption--cryo {
  color: var(--color-primary);
  font-weight: 500;
}

/* Description */
.vs-diet__desc {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
}

.vs-diet__desc p {
  font-family: var(--font-ja);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.85;
}

.vs-diet__highlight {
  font-size: 1rem !important;
  font-weight: 600 !important;
  line-height: 1.6 !important;
}

.vs-diet__highlight--neg {
  color: #e07840 !important;
}

.vs-diet__highlight--pos {
  color: var(--color-primary) !important;
}

/* Center VS divider */
.vs-diet__divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 120px;
}

.vs-diet__vs-badge {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-text-dim);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
}

/* placeholder */
.specs-table th {
  padding: 1rem var(--space-md);
  text-align: left;
  color: var(--color-text-muted);
  font-weight: 400;
  background: var(--color-surface);
  width: 20%;
}

.specs-table td {
  padding: 1rem var(--space-md);
  color: var(--color-text);
}

.product-specs-title,
.product-specs .section-title {
  margin-bottom: 0;
}

/* ============================================================
   14. Service Page
   ============================================================ */
.service-cards {
  background: var(--color-bg);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.service-card {
  padding: var(--space-lg) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,0.35);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), rgba(201,163,75,0.2), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
  border-color: var(--color-border-2);
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 56px rgba(0,0,0,0.55), 0 0 0 1px rgba(201,163,75,0.12);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__num {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.service-card__title {
  font-family: var(--font-ja);
  font-size: 1.15rem;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  font-weight: 400;
}

.service-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: var(--space-md);
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-card__list li {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  padding-left: 1rem;
  position: relative;
}

.service-card__list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 0.65rem;
}

.service-flow {
  background: var(--color-bg-2);
}

.flow-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: var(--space-lg);
  position: relative;
}

.flow-list::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-border);
}

.flow-step {
  display: flex;
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
  position: relative;
}

.flow-step:last-child {
  padding-bottom: 0;
}

.flow-step__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  min-width: 56px;
  border-radius: 50%;
  border: 1px solid var(--color-border-2);
  background: var(--color-surface);
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  z-index: 1;
}

.flow-step__body {
  padding-top: 0.75rem;
}

.flow-step__body h3 {
  font-family: var(--font-ja);
  font-size: 1.05rem;
  color: var(--color-white);
  margin-bottom: 0.5rem;
  font-weight: 400;
}

.flow-step__body p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.9;
}

.flow-step__note {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.75rem !important;
  color: var(--color-text-dim) !important;
  border: 1px solid var(--color-border);
  padding: 0.25rem 0.75rem;
  border-radius: 2px;
}

.service-plans {
  background: var(--color-bg);
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
  align-items: start;
}

.plan-card {
  padding: var(--space-lg) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  position: relative;
  box-shadow: 0 2px 16px rgba(0,0,0,0.35);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.plan-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--color-border-2);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}

.plan-card--featured {
  border-color: var(--color-primary);
  background: linear-gradient(160deg, var(--color-surface-2) 0%, rgba(20,18,16,0.98) 100%);
  box-shadow: var(--shadow-glow), 0 2px 24px rgba(0,0,0,0.5);
}

.plan-card--featured:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 0 60px rgba(201,163,75,0.22), 0 20px 56px rgba(0,0,0,0.6);
}

.plan-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-bg);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.25rem 1rem;
  border-radius: 2px;
}

.plan-card__name {
  font-family: var(--font-ja);
  font-size: 1.1rem;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  padding-top: var(--space-xs);
}

.plan-card__features {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: var(--space-lg);
}

.plan-card__features li {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding-left: 1.25rem;
  position: relative;
}

.plan-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 0.75rem;
}

/* ============================================================
   15. Contact Page
   ============================================================ */
.contact-section {
  background: var(--color-bg);
}

.contact-body {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact-info {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-md));
}

.contact-info__title {
  font-family: var(--font-ja);
  font-size: 1.1rem;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  font-weight: 400;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.contact-info__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.contact-info__item {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-info__item dt {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  text-transform: uppercase;
  font-family: var(--font-en);
  margin-bottom: 0.375rem;
}

.contact-info__item dd {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.contact-info__item a {
  color: var(--color-accent);
  transition: color var(--transition);
}

.contact-info__item a:hover {
  color: var(--color-primary);
}

.contact-info__note {
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.contact-info__note h3 {
  font-family: var(--font-ja);
  font-size: 0.9rem;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  font-weight: 400;
}

.contact-info__note ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-info__note li {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  padding-left: 1rem;
  position: relative;
  line-height: 1.7;
}

.contact-info__note li::before {
  content: 'Q.';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 0.65rem;
  font-family: var(--font-en);
  font-weight: 600;
  top: 0.1rem;
}

/* FAQ Accordion */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
}

.faq-accordion__item {
  border-bottom: 1px solid rgba(75,179,255,0.15);
}

.faq-accordion__item:last-child {
  border-bottom: none;
}

.faq-accordion__btn {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.3rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.75rem 0;
  font-family: var(--font-ja);
  font-size: 0.82rem;
  color: var(--color-text);
  text-align: left;
  line-height: 1.5;
}

.faq-accordion__btn [data-i18n] {
  flex: 1;
}

.faq-q-label {
  flex-shrink: 0;
  color: var(--color-primary);
  font-family: var(--font-en);
  font-size: 0.65rem;
  font-weight: 700;
  margin-top: 0.15rem;
  line-height: 1;
}

.faq-accordion__chevron {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  color: var(--color-primary);
  transition: transform 0.25s ease;
  opacity: 0.7;
  margin-top: 0.2rem;
}

.faq-accordion__btn[aria-expanded="true"] .faq-accordion__chevron {
  transform: rotate(180deg);
}

.faq-accordion__body {
  position: relative;
  padding: 0 0 0.75rem 1.5rem;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.faq-accordion__body::before {
  content: 'A.';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent);
  font-family: var(--font-en);
  font-size: 0.65rem;
  font-weight: 700;
}

.faq-hl {
  background: none;
  color: var(--color-primary);
  font-weight: 700;
}

.faq-accordion__body p {
  margin: 0 0 0.5rem;
}

.faq-accordion__body p:last-child {
  margin-bottom: 0;
}

.faq-accordion__body ul {
  margin: 0.4rem 0 0.5rem;
  padding-left: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.faq-accordion__body ul li {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  padding-left: 0;
  position: static;
  line-height: 1.6;
}

.faq-accordion__body ul li::before {
  content: none;
}

.contact-line-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.contact-line-wrap__title {
  font-family: var(--font-ja);
  font-size: 1.1rem;
  color: var(--color-white);
  font-weight: 400;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  width: 100%;
}

.contact-line-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  width: 100%;
  max-width: 380px;
}

.contact-line-card__top {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.contact-line-card__top .line-banner__line-icon svg {
  width: 48px;
  height: 48px;
}

.contact-line-card__tagline {
  font-family: var(--font-ja);
  font-size: 1.2rem;
  color: var(--color-white);
  font-weight: 500;
}

.contact-line-card__qr img {
  display: block;
  border-radius: var(--radius-sm);
}

.contact-line-card__stores {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 100%;
}

.required {
  color: var(--color-danger);
  font-size: 0.75rem;
  margin-left: 0.25rem;
}

.checkbox-group {
  border: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  min-width: 16px;
  margin-top: 0.2rem;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.checkbox-label a {
  color: var(--color-primary);
  text-decoration: underline;
}

.form-group--submit {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
}

.form-note {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  line-height: 1.7;
}

/* ============================================================
   16. Footer
   ============================================================ */
.site-footer {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer__body {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-md);
}

/* footer logo/tagline moved to section 16b */

.footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  text-align: right;
}

.footer__nav a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer__nav a:hover {
  color: var(--color-primary);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer__copy {
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: var(--color-text-dim);
  letter-spacing: 0.05em;
}

.footer__legal {
  display: flex;
  gap: var(--space-md);
}

.footer__legal a {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  transition: color var(--transition);
}

.footer__legal a:hover {
  color: var(--color-primary);
}

/* ============================================================
   16b. BISIN Logo & LINE Banner
   ============================================================ */

/* Pink "BI" letters in logo */
.logo-bi {
  color: #E75480;
}

/* Footer brand extended */
.footer__logo-mark {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 0.2rem;
}

.footer__logo-llc {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--color-text-dim);
  margin-bottom: 0.2rem;
}

.footer__logo-ja {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}

.footer__tagline {
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-style: italic;
  color: var(--color-text-dim);
  letter-spacing: 0.04em;
  margin-bottom: 0.9rem;
}

.footer__stores {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.78rem;
  color: var(--color-text-dim);
}

.footer__stores a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer__stores a:hover {
  color: var(--color-primary);
}

/* LINE Banner */
.line-banner {
  padding: var(--space-lg) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.line-banner__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(2rem, 6vw, 5rem);
}

.line-banner__heading {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  font-size: clamp(1.3rem, 3.5vw, 2rem);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 1.2rem;
  line-height: 1.3;
}

.line-banner__line-icon svg {
  display: block;
  width: 2em;
  height: 2em;
  flex-shrink: 0;
}

.line-banner__stores {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.line-banner__store {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.line-banner__store-name {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.line-banner__tel {
  font-family: var(--font-en);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color var(--transition);
}

.line-banner__tel:hover {
  color: var(--color-primary);
}

.line-banner__qr img {
  width: 130px;
  height: 130px;
  display: block;
  border-radius: var(--radius-sm);
}

@media (max-width: 768px) {
  .line-banner__inner {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }
  .line-banner__heading {
    justify-content: center;
  }
  .line-banner__stores {
    justify-content: center;
  }
}

/* ============================================================
   17. Animations
   ============================================================ */
/* Stagger delays for grid children */
.fade-in-up.delay-1 { transition-delay: 0.1s; }
.fade-in-up.delay-2 { transition-delay: 0.2s; }
.fade-in-up.delay-3 { transition-delay: 0.3s; }
.fade-in-up.delay-4 { transition-delay: 0.4s; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1);   opacity: 0.6; }
  50%       { transform: scale(1.1); opacity: 1;   }
}

@keyframes scrollPulse {
  0%   { transform: scaleY(1);   opacity: 1; }
  50%  { transform: scaleY(0.6); opacity: 0.4; }
  100% { transform: scaleY(1);   opacity: 1; }
}

.fade-in-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   18. Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .about-mission__body,
  .product-showcase__body {
    grid-template-columns: 1fr;
  }

  .about-mission__visual {
    max-width: 100%;
    margin-left: 0;
  }

  .contact-body {
    grid-template-columns: 1fr;
  }

  .contact-info {
    position: static;
  }

  .contact-line-wrap {
    align-items: center;
  }

  .contact-line-card {
    max-width: 100%;
  }
}

/* Mobile nav open state */
.nav__links--open {
  display: flex !important;
  flex-direction: column;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(4, 13, 26, 0.98);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md);
  gap: var(--space-sm);
  z-index: 999;
}

.nav__links--open a {
  font-size: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.nav__cta--open {
  display: block !important;
  position: fixed;
  top: calc(var(--nav-height) + 4 * var(--space-md) + 4 * 2.5rem);
  left: var(--space-md);
  right: var(--space-md);
  z-index: 999;
  text-align: center;
  padding: 0.875rem;
}

.nav__hamburger.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Field error */
.field--error {
  border-color: var(--color-danger) !important;
  box-shadow: 0 0 0 3px rgba(224, 90, 90, 0.1) !important;
}

@media (max-width: 768px) {
  :root {
    --space-xl: 5rem;
    --space-lg: 3rem;
    --space-md: 1.75rem;
    --space-sm: 1rem;
  }

  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .overview__grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .stat {
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-lg) var(--space-md);
  }

  .values-grid,
  .service-grid,
  .plan-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer__body {
    flex-direction: column;
  }

  .footer__nav ul {
    text-align: left;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero__title-en {
    font-size: clamp(3rem, 15vw, 5rem);
  }

  .cryo-section__layout {
    grid-template-columns: 1fr;
  }

  .cryo-section--even .cryo-section__layout {
    direction: ltr;
  }

  .vs-diet__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .vs-diet__divider {
    padding-top: 0;
    flex-direction: row;
    gap: var(--space-md);
  }

  .vs-diet__divider::before,
  .vs-diet__divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    text-align: center;
  }

  .vs-diet__cells-wrap {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ============================================================
   THEME OVERRIDES — CoolSpa Blue Medical Aesthetics
   ============================================================ */

/* ============================================================
   BEFORE / AFTER RESULTS SECTION
   ============================================================ */
.cryo-results-section {
  padding: var(--space-lg) 0;
  background: rgba(6,28,54,0.7);
  text-align: center;
}

.cryo-results__header {
  max-width: 720px;
  margin: 0 auto var(--space-md);
}

.cryo-results__lead {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.85;
  margin-top: var(--space-sm);
  white-space: pre-line;
}

/* Image + overlaid case labels */
.cryo-results__img-wrap {
  position: relative;
  display: inline-block;
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 48px rgba(0,0,0,0.45);
}

.cryo-results__img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
}

/* Subtle gradient overlay so labels read cleanly */
.cryo-results__img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(6,28,54,0.35) 0%,
    transparent 18%,
    transparent 82%,
    rgba(6,28,54,0.25) 100%
  );
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.cryo-results__labels {
  position: absolute;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  padding: 14px 18px;
  z-index: 1;
}

.cryo-results__case-label {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}
.cryo-results__case-label--right {
  align-items: flex-end;
}

.cryo-results__case-name {
  font-family: var(--font-ja);
  font-size: 0.92rem;
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 1px 6px rgba(0,0,0,0.7);
  letter-spacing: 0.04em;
}

.cryo-results__case-count {
  font-size: 0.78rem;
  color: #4BB3FF;
  font-weight: 600;
  text-shadow: 0 1px 4px rgba(0,0,0,0.8);
  letter-spacing: 0.06em;
}

/* Three-point highlights */
.cryo-results__points {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-top: var(--space-md);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.cryo-results__point {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,246,210,0.90);
  border: 1px solid rgba(201,163,75,0.30);
  border-radius: var(--radius-xl);
  padding: 10px 22px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #3A2600;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 2px 12px rgba(0,0,0,0.10);
}

.cryo-results__point-icon {
  color: #4BB3FF;
  font-size: 1rem;
  line-height: 1;
}

.cryo-results__disclaimer {
  margin-top: var(--space-sm);
  font-size: 0.78rem;
  color: var(--color-text-dim);
  letter-spacing: 0.03em;
}

@media (max-width: 600px) {
  .cryo-results__points {
    flex-direction: column;
    align-items: center;
  }
  .cryo-results__labels {
    padding: 8px 10px;
  }
  .cryo-results__case-name { font-size: 0.78rem; }
  .cryo-results__case-count { font-size: 0.68rem; }
}

/* --- Lang-picker: globe icon only on mobile ---------------- */
@media (max-width: 768px) {
  /* Show lang-picker on mobile (was display:none) */
  .lang-picker {
    display: block;
    order: 2; /* after hamburger → appears to the right */
  }

  /* Hamburger stays left of globe */
  .nav__hamburger {
    order: 1;
  }

  /* Globe-only: hide text label and chevron */
  .lang-picker__label,
  .lang-picker__chevron {
    display: none;
  }

  /* Compact icon-only trigger */
  .lang-picker__trigger {
    padding: 0.4rem 0.5rem;
    border-color: rgba(75,179,255,0.22);
  }

  .lang-picker__globe {
    width: 22px;
    height: 22px;
    opacity: 0.88;
  }

  /* Dropdown panel opens to the left so it doesn't overflow screen */
  .lang-picker__panel {
    right: 0;
    left: auto;
    min-width: 158px;
  }

  /* Tighten gap between hamburger and globe */
  .nav {
    gap: 0.6rem;
  }
}

/* --- Buttons ------------------------------------------------ */
.btn--primary {
  background: linear-gradient(135deg, #4BB3FF 0%, #1E6EDB 100%);
  color: #ffffff;
  box-shadow: 0 2px 14px rgba(75,179,255,0.35), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn--primary:hover {
  background: linear-gradient(135deg, #6BC3FF 0%, #2E7EEB 100%);
  box-shadow: 0 4px 24px rgba(75,179,255,0.55), inset 0 1px 0 rgba(255,255,255,0.25);
}
.btn--primary:active {
  box-shadow: 0 1px 6px rgba(75,179,255,0.2);
}
.btn--outline {
  background: rgba(75,179,255,0.06);
  color: var(--color-accent);
  border: 1px solid rgba(75,179,255,0.4);
}
.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(75,179,255,0.12);
  box-shadow: 0 4px 16px rgba(75,179,255,0.18);
}

/* --- Navigation -------------------------------------------- */
.site-header {
  background: rgba(6,28,54,0.88);
  border-bottom-color: rgba(75,179,255,0.15);
}
.site-header.scrolled {
  background: rgba(6,28,54,0.98);
}
.nav__cta:hover {
  background: rgba(75,179,255,0.08);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Lang picker */
.lang-picker__trigger:hover {
  border-color: rgba(75,179,255,0.40);
  background: rgba(75,179,255,0.06);
  color: var(--color-accent);
}
.lang-picker.open .lang-picker__trigger {
  color: var(--color-primary);
  border-color: rgba(75,179,255,0.50);
  background: rgba(75,179,255,0.08);
}
.lang-picker__panel {
  background: rgba(6,28,54,0.97);
  border-color: rgba(75,179,255,0.20);
  box-shadow: 0 4px 6px rgba(0,0,0,0.4), 0 16px 48px rgba(0,0,0,0.6), inset 0 1px 0 rgba(75,179,255,0.06);
}
.lang-picker__panel-header {
  border-bottom-color: rgba(75,179,255,0.10);
}
.lang-picker__item {
  border-top-color: rgba(75,179,255,0.06);
}
.lang-picker__item:hover {
  background: rgba(75,179,255,0.09);
  color: var(--color-accent);
}
.lang-picker__item--active:hover {
  background: rgba(75,179,255,0.12);
}
.lang-picker__code {
  background: rgba(75,179,255,0.10);
  border-color: rgba(75,179,255,0.18);
}
.lang-picker__item--active .lang-picker__code,
.lang-picker__item:hover .lang-picker__code {
  background: rgba(75,179,255,0.20);
  border-color: rgba(75,179,255,0.40);
  color: var(--color-primary);
}
.nav__links--open {
  background: rgba(6,28,54,0.98);
  border-bottom-color: rgba(75,179,255,0.15);
}
.nav__links--open a {
  border-bottom-color: rgba(75,179,255,0.10);
}

/* --- Hero -------------------------------------------------- */
.hero__title-en {
  text-shadow: 0 0 80px rgba(75,179,255,0.40);
}

/* --- Light-gold glass cards -------------------------------- */
.overview-card,
.value-card,
.service-card,
.plan-card {
  background: rgba(255,246,210,0.90);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(201,163,75,0.28);
  box-shadow: 0 4px 24px rgba(0,0,0,0.12), inset 0 1px 0 rgba(255,255,220,0.6);
}
.overview-card:hover,
.value-card:hover,
.service-card:hover,
.plan-card:hover {
  background: rgba(255,248,220,0.96);
  border-color: rgba(201,163,75,0.50);
  box-shadow: 0 12px 40px rgba(0,0,0,0.14), 0 0 0 1px rgba(201,163,75,0.30);
}
.overview-card::before {
  background: linear-gradient(90deg, #C9A34B, transparent);
}
.service-card::before {
  background: linear-gradient(90deg, #C9A34B, rgba(201,163,75,0.2), transparent);
}

/* Card text overrides for gold card backgrounds */
.overview-card__title,
.value-card__title,
.service-card__title,
.plan-card__name {
  color: #3A2600;
}
.overview-card__desc,
.value-card__desc,
.service-card__desc {
  color: #6B4E1A;
}
.overview-card__en,
.value-card__num,
.service-card__num {
  color: #8B6514;
}
.service-card__list li {
  color: #6B4E1A;
}
.service-card__list li::before {
  color: #C9A34B;
}
.plan-card__features li {
  color: #6B4E1A;
}
.plan-card__features li::before {
  color: #C9A34B;
}
.overview-card__arrow {
  color: #C9A34B;
}

/* Featured plan card stays semi-transparent blue */
.plan-card--featured {
  background: rgba(75,179,255,0.14) !important;
  backdrop-filter: blur(10px) !important;
  -webkit-backdrop-filter: blur(10px) !important;
  border-color: rgba(75,179,255,0.55) !important;
  box-shadow: var(--shadow-glow), 0 2px 24px rgba(0,0,0,0.3) !important;
}
.plan-card--featured:hover {
  box-shadow: 0 0 60px rgba(75,179,255,0.35), 0 20px 56px rgba(0,0,0,0.2) !important;
}
.plan-card--featured .plan-card__name { color: var(--color-accent); }
.plan-card--featured .plan-card__features li { color: var(--color-text-muted); }
.plan-card__badge {
  background: var(--color-primary);
  color: #061C36;
}

/* --- About ------------------------------------------------- */
.about-values {
  background: rgba(6,28,54,0.6);
}

/* --- Product ----------------------------------------------- */
.product-machine-img {
  filter: drop-shadow(0 20px 60px rgba(75,179,255,0.28));
}
.badge {
  background: rgba(75,179,255,0.10);
  border-color: rgba(75,179,255,0.30);
  color: var(--color-accent);
}

/* --- Cryo sections ----------------------------------------- */
.cryo-section--odd {
  background: rgba(10,42,82,0.75);
}
.cryo-section--even {
  background: rgba(6,28,54,0.75);
}
.cryo-benefits {
  border-color: rgba(75,179,255,0.15);
}
.cryo-benefits__item {
  background: rgba(255,255,255,0.06);
  border-bottom-color: rgba(75,179,255,0.10);
}
.cryo-benefits__item:hover {
  background: rgba(255,255,255,0.10);
}

/* --- VS Diet section --------------------------------------- */
.vs-diet__panel {
  background: rgba(255,255,255,0.08);
  border-color: rgba(75,179,255,0.15);
}
.vs-diet__panel--cryo {
  background: rgba(75,179,255,0.08);
  border-top-color: rgba(75,179,255,0.6);
}
.vs-diet__vs-badge {
  border-color: rgba(75,179,255,0.20);
  background: rgba(6,28,54,0.9);
}

/* --- Service page ------------------------------------------ */
.flow-step__num {
  background: rgba(255,255,255,0.08);
  border-color: rgba(75,179,255,0.35);
}
.service-card:hover {
  box-shadow: 0 20px 56px rgba(0,0,0,0.15), 0 0 0 1px rgba(75,179,255,0.15);
}

/* --- Company info table ------------------------------------ */
.info-table tr {
  border-bottom-color: rgba(75,179,255,0.12);
}
.info-table a { color: var(--color-primary); }

/* --- Contact page ------------------------------------------ */
.contact-info__title {
  border-bottom-color: rgba(75,179,255,0.15);
}
.contact-info__item {
  border-bottom-color: rgba(75,179,255,0.12);
}
.contact-info__note {
  background: rgba(255,255,255,0.07);
  border-color: rgba(75,179,255,0.15);
}
.contact-line-wrap__title {
  border-bottom-color: rgba(75,179,255,0.15);
}
.contact-line-card {
  background: rgba(255,246,210,0.90);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(201,163,75,0.28);
  box-shadow: 0 4px 24px rgba(0,0,0,0.12), inset 0 1px 0 rgba(255,255,220,0.6);
  max-width: 480px;
}
.contact-line-card__tagline { color: #3A2600; }

/* --- Stats ------------------------------------------------- */
.stats-section {
  border-top-color: rgba(75,179,255,0.15);
  border-bottom-color: rgba(75,179,255,0.15);
}
.stat {
  border-bottom-color: rgba(75,179,255,0.12);
}

/* --- Overview section -------------------------------------- */
.overview {
  background: rgba(6,28,54,0.65);
}

/* --- CTA Banner -------------------------------------------- */
.cta-banner {
  background: linear-gradient(135deg, #0A2A52 0%, #061C36 100%);
  border-top-color: rgba(75,179,255,0.15);
}

/* --- Page hero --------------------------------------------- */
.page-hero {
  border-bottom-color: rgba(75,179,255,0.15);
}

/* --- LINE banner ------------------------------------------- */
.line-banner {
  background: rgba(255,255,255,0.06);
  border-top-color: rgba(75,179,255,0.15);
  border-bottom-color: rgba(75,179,255,0.15);
}
.line-banner__store-name {
  color: var(--color-primary);
}

/* --- Footer ------------------------------------------------ */
.site-footer {
  background: rgba(6,28,54,0.96);
  border-top-color: rgba(75,179,255,0.15);
}
.footer__body {
  border-bottom-color: rgba(75,179,255,0.12);
}
.footer__nav a:hover,
.footer__stores a:hover,
.footer__legal a:hover {
  color: var(--color-primary);
}