/* ==========================================================================
   株式会社JINYOKU コーポレートサイト スタイルシート
   ブランドカラー:
     - チャコール (Charcoal): #24282E
     - シャンパンゴールド (Champagne Gold): #C5A059 / #B68F46
     - 淡いブルーグレー (Pale Blue Grey): #EDF2F7 / #F4F7FA
     - ホワイト (White): #FFFFFF
   ========================================================================== */

/* --- 1. 変数定義 (CSS Custom Properties) --- */
:root {
  --color-charcoal-dark: #191B1F;
  --color-charcoal: #24282E;
  --color-charcoal-light: #4A505A;
  --color-text-main: #2D3139;
  --color-text-muted: #666E7A;
  
  --color-gold: #C5A059;
  --color-gold-dark: #A47F37;
  --color-gold-light: #DFCA9B;
  --color-gold-soft: #F9F5EC;
  --color-gold-gradient: linear-gradient(135deg, #D6B575 0%, #B68F46 100%);
  
  --color-bg-base: #FFFFFF;
  --color-bg-subtle: #F6F8FB;
  --color-bg-tint: #EDF2F7;
  --color-border: #E2E8F0;
  --color-border-gold: rgba(197, 160, 89, 0.4);

  --font-en: 'Montserrat', sans-serif;
  --font-ja: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Shippori Mincho', 'Noto Serif JP', serif;

  --shadow-sm: 0 2px 8px rgba(36, 40, 46, 0.04);
  --shadow-md: 0 8px 24px rgba(36, 40, 46, 0.07);
  --shadow-lg: 0 16px 40px rgba(36, 40, 46, 0.1);
  --shadow-card: 0 10px 30px rgba(180, 195, 210, 0.15);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-pill: 9999px;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- 2. リセット & ベース --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-ja);
  color: var(--color-text-main);
  background-color: var(--color-bg-base);
  line-height: 1.75;
  letter-spacing: 0.03em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.pc-br {
  display: block;
}
@media (max-width: 768px) {
  .pc-br {
    display: none;
  }
}

/* --- 3. タイポグラフィ & ボタン --- */
.section-subtitle {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-gold-dark);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-charcoal);
  letter-spacing: 0.04em;
  line-height: 1.35;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.625rem;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
}

.btn .arrow {
  transition: transform var(--transition-normal);
}

.btn:hover .arrow {
  transform: translateX(4px);
}

.btn-primary {
  background: var(--color-gold);
  color: #FFFFFF;
  border: 1px solid var(--color-gold);
  box-shadow: 0 4px 14px rgba(197, 160, 89, 0.3);
}

.btn-primary:hover {
  background: var(--color-gold-dark);
  border-color: var(--color-gold-dark);
  box-shadow: 0 6px 20px rgba(197, 160, 89, 0.4);
  transform: translateY(-2px);
}

.btn-outline {
  background: #FFFFFF;
  color: var(--color-gold-dark);
  border: 1.5px solid var(--color-gold-dark);
}

.btn-outline:hover {
  background: var(--color-gold-soft);
  color: var(--color-charcoal);
  transform: translateY(-2px);
}

.btn-outline-wide {
  background: #FFFFFF;
  color: var(--color-charcoal);
  border: 1px solid var(--color-border);
  padding: 14px 44px;
}

.btn-outline-wide:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-dark);
  background: var(--color-gold-soft);
}

.btn-outline-gold {
  background: #FFFFFF;
  color: var(--color-gold-dark);
  border: 1.5px solid var(--color-gold);
}

.btn-outline-gold:hover {
  background: var(--color-gold);
  color: #FFFFFF;
}

.btn-block {
  width: 100%;
}

/* --- 4. ヘッダー --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
  transition: all var(--transition-normal);
}

.header-inner {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 28px;
  height: 28px;
  display: inline-block;
  background: var(--color-charcoal);
  mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 28 28' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M8 4c0 0 6 3 6 10s-6 10-6 10h5c4-4 7-8 7-10s-3-6-7-10H8z' fill='%23000'/%3E%3C/svg%3E") no-repeat center;
  -webkit-mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 28 28' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M8 4c0 0 6 3 6 10s-6 10-6 10h5c4-4 7-8 7-10s-3-6-7-10H8z' fill='%23000'/%3E%3C/svg%3E") no-repeat center;
  background-color: var(--color-charcoal);
}


.logo-img {
  height: 52px;
  width: 52px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-en);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-charcoal);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-charcoal-light);
  letter-spacing: 0.05em;
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1.5px;
  background-color: var(--color-gold);
  transition: width var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-charcoal);
}

.nav-link:hover::after {
  width: 100%;
}

.external-icon {
  font-size: 0.75rem;
  opacity: 0.7;
}

.btn-outline-header {
  padding: 8px 24px;
  font-size: 0.875rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-charcoal);
  color: var(--color-charcoal);
}

.btn-outline-header:hover {
  background: var(--color-charcoal);
  color: #FFFFFF;
}

/* Mobile Menu Button */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.hamburger-btn span {
  width: 100%;
  height: 2px;
  background-color: var(--color-charcoal);
  transition: all var(--transition-fast);
}

.mobile-menu {
  display: none;
}

@media (max-width: 1024px) {
  .desktop-nav {
    display: none;
  }
  .hamburger-btn {
    display: flex;
  }
  .mobile-menu {
    display: block;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background: #FFFFFF;
    padding: 32px 24px;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
  }
  .mobile-menu.is-active {
    transform: translateX(0);
  }
  .mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 28px;
    margin-bottom: 28px;
  }
  .mobile-nav-link {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-charcoal);
  }
}

/* --- 5. ヒーローセクション --- */
.hero-section {
  position: relative;
  min-height: 90vh;
  padding-top: 140px;
  padding-bottom: 80px;
  display: flex;
  align-items: center;
  background: linear-gradient(170deg, #FFFFFF 0%, #F5F8FB 60%, #EBF1F6 100%);
  overflow: hidden;
}

.hero-bg-shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.shape-1 {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 70vw;
  height: 70vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(235, 241, 246, 0.8) 0%, rgba(255, 255, 255, 0) 70%);
}

.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.slogan-en {
  font-family: var(--font-en);
  font-size: 3.25rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.08em;
  color: var(--color-charcoal);
  margin-bottom: 28px;
}

.slogan-line {
  display: block;
}

.hero-title {
  font-size: 2.125rem;
  font-weight: 700;
  color: var(--color-charcoal);
  letter-spacing: 0.06em;
  margin-bottom: 20px;
  line-height: 1.35;
}

.hero-lead {
  font-size: 1.0625rem;
  color: var(--color-charcoal-light);
  line-height: 1.8;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero Visual Art (Arch / Gateway) */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.visual-wrapper {
  position: relative;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 4 / 4.2;
}

.arch-gateway {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

/* CSS 3D Arch representation */
.arch-pillar {
  width: 38%;
  height: 78%;
  border-top-left-radius: 90px;
  border-top-right-radius: 90px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  position: relative;
  transition: transform 0.5s ease;
}

.arch-left {
  background: linear-gradient(135deg, #2D323A 0%, #1A1C20 100%);
  transform: perspective(600px) rotateY(15deg);
  margin-right: 6px;
}

.arch-right {
  background: linear-gradient(135deg, #D6B575 0%, #B8924A 100%);
  transform: perspective(600px) rotateY(-15deg);
  margin-left: 6px;
}

.arch-pathway {
  position: absolute;
  bottom: 0;
  width: 50%;
  height: 30%;
  background: linear-gradient(to top, #FFFFFF 0%, rgba(255, 255, 255, 0.1) 100%);
  filter: blur(8px);
  z-index: 2;
}

/* Vertical Japanese Accent */
.vertical-accent {
  position: absolute;
  top: 15%;
  right: -50px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.vertical-text {
  writing-mode: vertical-rl;
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  letter-spacing: 0.28em;
  color: var(--color-charcoal-light);
  line-height: 2;
}

.accent-line {
  width: 24px;
  height: 1.5px;
  background-color: var(--color-gold);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.scroll-text {
  font-family: var(--font-en);
  font-size: 0.6875rem;
  letter-spacing: 0.25em;
  color: var(--color-gold-dark);
}

.scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--color-gold) 0%, rgba(197, 160, 89, 0) 100%);
  animation: scrollDown 2s infinite ease-in-out;
}

@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 60px;
  }
  .slogan-en {
    font-size: 2.5rem;
  }
  .hero-title {
    font-size: 1.75rem;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-visual {
    order: -1;
  }
  .visual-wrapper {
    max-width: 280px;
  }
  .vertical-accent {
    display: none;
  }
}

/* --- 6. 共通セクションスタイル --- */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header-wrap {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 56px;
}

.side-accent-desktop {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  text-align: right;
}

.side-text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.9;
  letter-spacing: 0.08em;
}

.accent-bar-gold {
  width: 2px;
  height: 48px;
  background-color: var(--color-gold);
  margin-top: 4px;
}

@media (max-width: 768px) {
  .section-header-wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 40px;
  }
  .side-accent-desktop {
    text-align: left;
  }
}

/* --- 7. 事業内容 (WHAT WE DO) --- */
.what-we-do-section {
  background-color: var(--color-bg-base);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.service-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-gold);
  box-shadow: var(--shadow-card);
}

.service-icon-box {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--color-gold-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--color-gold-dark);
}

.service-icon {
  width: 28px;
  height: 28px;
}

.service-card-title {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.gold-separator {
  width: 32px;
  height: 2px;
  background-color: var(--color-gold);
  margin-bottom: 16px;
}

.service-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
  flex-grow: 1;
}

.card-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-gold-dark);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-link:hover {
  color: var(--color-charcoal);
}

/* 5枚目: AIカード (控えめな統合デザイン) */
.service-card-subtle {
  grid-column: span 4;
  flex-direction: row;
  align-items: center;
  text-align: left;
  padding: 24px 36px;
  background: var(--color-bg-subtle);
  border: 1px dashed var(--color-border);
}

.service-card-subtle .service-icon-box {
  margin-bottom: 0;
  margin-right: 24px;
  flex-shrink: 0;
}

.service-card-subtle .service-card-title {
  margin-bottom: 0;
  margin-right: 24px;
  white-space: nowrap;
}

.service-card-subtle .gold-separator {
  display: none;
}

.service-card-subtle .service-card-desc {
  margin-bottom: 0;
  margin-right: 24px;
}

.section-footer-action {
  text-align: center;
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-card-subtle {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
  .service-card-subtle {
    grid-column: span 1;
    flex-direction: column;
    text-align: center;
  }
  .service-card-subtle .service-icon-box {
    margin-right: 0;
    margin-bottom: 16px;
  }
  .service-card-subtle .service-card-title {
    margin-right: 0;
    margin-bottom: 12px;
  }
  .service-card-subtle .service-card-desc {
    margin-right: 0;
    margin-bottom: 16px;
  }
}

/* --- 8. 理念 (PHILOSOPHY) --- */
.philosophy-section {
  background: linear-gradient(135deg, #F8FAFD 0%, #EEF3F8 100%);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.philosophy-main-copy {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-charcoal);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.philosophy-sub-copy {
  font-size: 1.125rem;
  color: var(--color-gold-dark);
  font-weight: 500;
  letter-spacing: 0.08em;
}

.philosophy-paragraph {
  font-size: 1rem;
  color: var(--color-text-main);
  line-height: 1.95;
  margin-bottom: 24px;
}

.philosophy-paragraph.highlight-text {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-charcoal);
  line-height: 1.6;
  border-left: 3px solid var(--color-gold);
  padding-left: 20px;
  margin-bottom: 28px;
}

.philosophy-action {
  margin-top: 36px;
}

@media (max-width: 900px) {
  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .philosophy-main-copy {
    font-size: 2.25rem;
  }
}

/* --- 9. 実績・選ばれる理由 (TRACK RECORD) --- */
.track-record-section {
  background-color: #FFFFFF;
}

.section-header.center {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px auto;
}

.section-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-top: 16px;
  line-height: 1.8;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.metric-card {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px 24px;
  text-align: center;
  transition: all var(--transition-normal);
}

.metric-card:hover {
  background-color: #FFFFFF;
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.metric-number {
  font-family: var(--font-en);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-charcoal);
  line-height: 1.2;
  margin-bottom: 8px;
}

.metric-prefix {
  font-size: 1rem;
  font-weight: 500;
  margin-right: 4px;
}

.metric-unit {
  font-size: 1.125rem;
  font-weight: 500;
  margin-left: 4px;
}

.metric-arrow {
  color: var(--color-gold);
  margin: 0 4px;
}

.metric-label {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-gold-dark);
  margin-bottom: 12px;
}

.metric-desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }
}

/* --- 10. note セクション --- */
.note-section {
  padding: 40px 0;
}

.note-banner {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  box-shadow: var(--shadow-sm);
  background-image: radial-gradient(circle at right center, rgba(237, 242, 247, 0.7) 0%, transparent 60%);
}

.badge-note {
  display: inline-block;
  background-color: var(--color-charcoal);
  color: #FFFFFF;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.note-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: 8px;
}

.note-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  max-width: 600px;
}

@media (max-width: 768px) {
  .note-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 36px 28px;
  }
}

/* --- 11. お問い合わせ (CONTACT DUAL CTA) --- */
.contact-cta-section {
  background: linear-gradient(180deg, #FFFFFF 0%, #F5F7FA 100%);
  padding: 100px 0 120px 0;
}

.contact-cta-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-gold);
  border-radius: var(--radius-lg);
  padding: 64px;
  box-shadow: var(--shadow-lg);
}

.contact-cta-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px auto;
}

.contact-cta-title {
  font-size: 2.125rem;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: 16px;
}

.contact-cta-lead {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.85;
}

.contact-methods-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.contact-method-card {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all var(--transition-normal);
}

.contact-method-card:hover {
  border-color: var(--color-gold);
  background-color: #FFFFFF;
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.method-icon {
  font-size: 2.25rem;
  margin-bottom: 16px;
}

.method-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: 12px;
}

.method-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 28px;
  flex-grow: 1;
}

@media (max-width: 768px) {
  .contact-cta-card {
    padding: 36px 20px;
  }
  .contact-methods-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* --- 12. フッター --- */
.site-footer {
  background-color: var(--color-charcoal-dark);
  color: #A0AEC0;
  padding: 80px 0 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 64px;
  gap: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-logo .logo-mark {
  background-color: var(--color-gold);
}

.footer-logo .logo-img {
  height: 52px;
  width: 52px;
}

.footer-logo .logo-text {
  color: #FFFFFF;
}

.footer-slogan {
  font-family: var(--font-en);
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  color: var(--color-gold);
  margin-bottom: 8px;
}

.footer-lead {
  font-size: 0.875rem;
  color: #CBD5E0;
}

.footer-nav-grid {
  display: flex;
  gap: 64px;
}

.footer-nav-title {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  letter-spacing: 0.15em;
  color: #FFFFFF;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.875rem;
  color: #A0AEC0;
}

.footer-links a:hover {
  color: var(--color-gold-light);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.copyright {
  font-size: 0.75rem;
  color: #718096;
}

@media (max-width: 768px) {
  .footer-top {
    flex-direction: column;
    gap: 40px;
  }
  .footer-nav-grid {
    flex-direction: column;
    gap: 32px;
  }
}

/* SNS links and embedded Google Form */
.note-action { display: flex; flex-wrap: wrap; gap: 12px; flex-shrink: 0; }
.google-form-panel { width: 100%; min-width: 0; }
.google-form-help { margin-bottom: 16px; font-size: 0.9375rem; color: var(--color-text-muted); }
.google-form-help a { color: var(--color-charcoal); text-decoration: underline; text-underline-offset: 3px; }
.google-contact-form { display: block; width: 100%; max-width: 100%; height: 1460px; border: 0; background: #FFFFFF; }