/* =============================================
   LENARD Inc. Brand CSS v1
   全ページ共通デザインシステム
   Warm Premium: Off-White × Pearl Silver × Midnight Navy
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&family=Inter:wght@300;400;500;600;700;900&display=swap');

/* =============================================
   CSS CUSTOM PROPERTIES (COLOR SYSTEM)
   ============================================= */
:root {
  --base-white:    #F7F5F1;
  --soft-white:    #FBFAF8;
  --pearl-silver:  #D9D4CC;
  --greige-accent: #CFC7BC;
  --main-navy:     #1C2A3A;
  --sub-navy:      #2E4157;
  --text-dark:     #2B2B2B;
  --text-mid:      #4A4A4A;
  --text-light:    #7A7570;
  --border-line:   #E7E1D8;
  --opt-accent:    #BFAE96;
  --hero-bg:       #F4F2EE;
}

/* =============================================
   BRAND HEADER (全ページ共通)
   ============================================= */
.ln-corp-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: rgba(251, 250, 248, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-line);
  box-shadow: 0 1px 16px rgba(28, 42, 58, 0.06);
}

.ln-corp-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
}

.ln-corp-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  margin-right: 40px;
}

.ln-corp-logo-img {
  height: 36px;
  width: auto;
  display: block;
}

.ln-corp-nav {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
}

.ln-corp-nav-item {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--main-navy);
  text-decoration: none;
  padding: 0 18px;
  height: 64px;
  display: flex;
  align-items: center;
  transition: color 0.2s ease;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.ln-corp-nav-item:hover,
.ln-corp-nav-item.active {
  color: var(--main-navy);
  border-bottom-color: var(--opt-accent);
  text-decoration: none;
}

.ln-corp-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.ln-corp-btn-contact {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  background: var(--main-navy);
  color: #fff;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1.5px solid var(--main-navy);
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.ln-corp-btn-contact:hover {
  background: var(--sub-navy);
  border-color: var(--sub-navy);
  color: #fff;
  text-decoration: none;
}

.ln-corp-btn-catalog {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  background: transparent;
  color: var(--main-navy);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1.5px solid var(--main-navy);
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.ln-corp-btn-catalog:hover {
  background: var(--main-navy);
  color: #fff;
  text-decoration: none;
}

/* =============================================
   PAGE HERO (下層ページ共通)
   ============================================= */
.ln-page-hero {
  padding: 120px 0 64px;
  background: var(--main-navy);
  position: relative;
  overflow: hidden;
}

.ln-page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(46,65,87,0.4) 0%, transparent 60%);
  pointer-events: none;
}

.ln-page-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  z-index: 0;
}

.ln-page-hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 64px;
  position: relative;
  z-index: 1;
}

.ln-page-hero-eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--opt-accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.ln-page-hero-title {
  font-family: 'Inter', sans-serif;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #fff;
  line-height: 1.05;
  margin: 0 0 12px;
}

.ln-page-hero-title-jp {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(14px, 1.8vw, 18px);
  font-weight: 400;
  color: var(--pearl-silver);
  margin: 0 0 24px;
}

.ln-page-hero-desc {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 13px;
  font-weight: 400;
  color: rgba(255,255,255,0.75);
  line-height: 2;
  max-width: 560px;
}

/* =============================================
   SECTION BASE (全ページ共通)
   ============================================= */
.ln-section {
  padding: 96px 0;
  background: var(--soft-white);
}

.ln-section-alt {
  background: var(--base-white);
}

.ln-section-dark {
  background: var(--main-navy);
}

.ln-section-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 64px;
}

.ln-section-header {
  max-width: 1280px;
  margin: 0 auto 64px;
  padding: 0 64px;
}

.ln-section-eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--opt-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.ln-section-eyebrow-light {
  color: var(--pearl-silver);
}

.ln-section-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--main-navy);
  line-height: 1.4;
  margin: 0 0 16px;
}

.ln-section-title-light {
  color: #fff;
}

.ln-section-subtitle {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 13px;
  font-weight: 400;
  color: var(--text-mid);
  line-height: 2;
  max-width: 600px;
}

.ln-section-subtitle-light {
  color: var(--pearl-silver);
}

/* =============================================
   TRUST BAR (全ページ共通)
   ============================================= */
.ln-trust-bar {
  background: var(--main-navy);
  padding: 40px 0;
}

.ln-trust-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 64px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  border-left: 1px solid rgba(255,255,255,0.1);
}

.ln-trust-bar-item {
  padding: 0 24px;
  border-right: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.ln-trust-bar-num {
  font-family: 'Inter', sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}

.ln-trust-bar-num span {
  font-size: 13px;
  font-weight: 400;
  color: var(--pearl-silver);
  margin-left: 2px;
}

.ln-trust-bar-label {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 10px;
  font-weight: 400;
  color: var(--pearl-silver);
  line-height: 1.6;
}

/* =============================================
   CTA BUTTONS (全ページ共通)
   ============================================= */
.ln-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--main-navy);
  color: #fff;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  border: 1.5px solid var(--main-navy);
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: pointer;
}

.ln-btn-primary:hover {
  background: var(--sub-navy);
  border-color: var(--sub-navy);
  color: #fff;
  box-shadow: 0 4px 16px rgba(28, 42, 58, 0.22);
  text-decoration: none;
}

.ln-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--main-navy);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  border: 1.5px solid var(--main-navy);
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: pointer;
}

.ln-btn-secondary:hover {
  background: var(--main-navy);
  color: #fff;
  box-shadow: 0 4px 16px rgba(28, 42, 58, 0.18);
  text-decoration: none;
}

.ln-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: #fff;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  border: 1.5px solid rgba(255,255,255,0.5);
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: pointer;
}

.ln-btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.8);
  color: #fff;
  text-decoration: none;
}

/* =============================================
   FINAL CTA SECTION (全ページ共通)
   ============================================= */
.ln-final-cta {
  background: var(--soft-white);
  padding: 96px 64px;
  text-align: center;
  border-top: 1px solid var(--border-line);
}

.ln-final-cta-eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--opt-accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.ln-final-cta-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 700;
  color: var(--main-navy);
  margin: 0 0 16px;
}

.ln-final-cta-sub {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 13px;
  font-weight: 300;
  color: var(--text-light);
  line-height: 2;
  margin: 0 0 56px;
}

.ln-final-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.ln-cta-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 32px 40px;
  background: var(--soft-white);
  border: 1px solid var(--border-line);
  text-decoration: none;
  min-width: 180px;
  transition: all 0.25s ease;
}

.ln-cta-card:hover {
  border-color: var(--opt-accent);
  box-shadow: 0 8px 32px rgba(191, 174, 150, 0.20);
  transform: translateY(-2px);
  text-decoration: none;
}

.ln-cta-card--primary {
  background: var(--main-navy);
  border-color: var(--main-navy);
}

.ln-cta-card--primary .ln-cta-card-icon,
.ln-cta-card--primary .ln-cta-card-title {
  color: #fff;
}

.ln-cta-card--primary .ln-cta-card-sub {
  color: rgba(255,255,255,0.65);
}

.ln-cta-card--primary:hover {
  background: var(--sub-navy);
  border-color: var(--sub-navy);
  box-shadow: 0 8px 32px rgba(28, 42, 58, 0.25);
}

.ln-cta-card--primary:hover .ln-cta-card-icon {
  color: #fff;
}

.ln-cta-card-icon {
  font-size: 24px;
  color: var(--sub-navy);
}

.ln-cta-card-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--main-navy);
}

.ln-cta-card-sub {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 500;
  color: var(--opt-accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* =============================================
   SCROLL ANIMATION
   ============================================= */
.ln-fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.ln-fade-in-delay-1 { transition-delay: 0.1s; }
.ln-fade-in-delay-2 { transition-delay: 0.2s; }
.ln-fade-in-delay-3 { transition-delay: 0.3s; }
.ln-fade-in-delay-4 { transition-delay: 0.4s; }
.ln-fade-in-delay-5 { transition-delay: 0.5s; }
.ln-fade-in-delay-6 { transition-delay: 0.6s; }

/* =============================================
   RIGHT FIXED BUTTONS
   ============================================= */
.aside-fixed.pc {
  opacity: 0.55 !important;
  transition: opacity 0.3s ease !important;
}

.aside-fixed.pc:hover {
  opacity: 1 !important;
}

.js-pagetop {
  opacity: 0.45 !important;
  transition: opacity 0.3s ease !important;
}

.js-pagetop:hover {
  opacity: 0.85 !important;
}

/* =============================================
   RESPONSIVE — TABLET (max 1024px)
   ============================================= */
@media screen and (max-width: 1024px) {
  .ln-page-hero-inner,
  .ln-section-header,
  .ln-section-inner {
    padding: 0 40px;
  }

  .ln-trust-bar-inner {
    grid-template-columns: repeat(3, 1fr);
    padding: 0 40px;
  }

  .ln-trust-bar-item {
    padding: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
}

/* =============================================
   RESPONSIVE — MOBILE (max 736px)
   ============================================= */
@media screen and (max-width: 736px) {
  .ln-page-hero {
    padding: 100px 0 48px;
  }

  .ln-page-hero-inner,
  .ln-section-header,
  .ln-section-inner {
    padding: 0 24px;
  }

  .ln-section {
    padding: 64px 0;
  }

  .ln-section-header {
    margin-bottom: 40px;
  }

  .ln-trust-bar-inner {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 24px;
  }

  .ln-final-cta {
    padding: 64px 24px;
  }

  .ln-final-cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .ln-cta-card {
    width: 100%;
    max-width: 320px;
    padding: 24px 20px;
  }

  .ln-corp-nav {
    display: none;
  }

  .ln-corp-header-inner {
    padding: 0 20px;
  }
}