/* ============================================================
   Night SNS Pro - Main Stylesheet
   ============================================================
   色の変更: :root の変数を編集してください
   フォントの変更: @import と --font-* 変数を変更してください
   ============================================================ */

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

/* ── CSS Variables ── */
:root {
  /* ブランドカラー */
  --color-bg:         #080810;
  --color-bg-2:       #0d0d1a;
  --color-bg-3:       #111120;
  --color-surface:    #14141f;
  --color-surface-2:  #1a1a2e;
  --color-border:     rgba(180,150,255,0.15);
  --color-border-2:   rgba(200,170,255,0.08);

  /* アクセントカラー */
  --color-purple:     #9b59ff;
  --color-purple-2:   #7c3aed;
  --color-purple-light: #c4a0ff;
  --color-gold:       #d4af6a;
  --color-gold-2:     #f0d080;
  --color-gold-light: #f5e4b0;
  --color-white:      #f5f0ff;
  --color-text:       #ccc8e0;
  --color-text-muted: #8880a0;

  /* グラデーション */
  --grad-purple:      linear-gradient(135deg, #7c3aed 0%, #9b59ff 50%, #b07fff 100%);
  --grad-gold:        linear-gradient(135deg, #d4af6a 0%, #f0d080 50%, #d4af6a 100%);
  --grad-bg:          linear-gradient(135deg, #080810 0%, #0d0d1a 40%, #120820 100%);
  --grad-hero:        radial-gradient(ellipse at 60% 40%, rgba(130,60,255,0.18) 0%, rgba(180,100,255,0.06) 40%, transparent 70%),
                      radial-gradient(ellipse at 20% 80%, rgba(80,20,180,0.15) 0%, transparent 50%);

  /* タイポグラフィ */
  --font-display:     'Cinzel', serif;
  --font-serif:       'Cormorant Garamond', serif;
  --font-sans:        'Noto Sans JP', sans-serif;

  /* スペーシング */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  7rem;
  --space-2xl: 10rem;

  /* 角丸 */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  /* シャドウ */
  --shadow-purple: 0 0 40px rgba(155,89,255,0.25);
  --shadow-gold:   0 0 40px rgba(212,175,106,0.2);
  --shadow-card:   0 4px 32px rgba(0,0,0,0.5);

  /* トランジション */
  --transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.8;
  font-weight: 300;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-white);
}

.display-font { font-family: var(--font-display); letter-spacing: 0.12em; }
.serif-font   { font-family: var(--font-serif); }

/* ── Section Labels ── */
.section-eyebrow {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-purple-light);
  display: block;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.section-title .accent {
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
  line-height: 1.9;
}

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

/* ── Layout ── */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-sm {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section {
  padding: var(--space-xl) 0;
  position: relative;
}

/* 背景の濃淡交互 */
.section-light  { background: var(--color-bg); }
.section-mid    { background: var(--color-bg-2); }
.section-dark   { background: var(--color-bg-3); }
.section-surface { background: var(--color-surface); }

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 var(--space-md);
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(8, 8, 16, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-2);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(8, 8, 16, 0.97);
  border-bottom-color: var(--color-border);
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-logo .logo-icon {
  width: 32px;
  height: 32px;
  background: var(--grad-purple);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: white;
  font-weight: 700;
}

.site-logo .logo-text-accent {
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav { display: flex; align-items: center; gap: 2rem; }

.main-nav a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  transition: color var(--transition);
  white-space: nowrap;
}

.main-nav a:hover { color: var(--color-white); }

.nav-cta {
  background: var(--grad-purple);
  color: white !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem !important;
  font-weight: 500 !important;
  transition: opacity var(--transition), transform var(--transition) !important;
}

.nav-cta:hover { opacity: 0.85; transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  z-index: 1100;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(8,8,16,0.99);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  overflow-y: auto;
  padding: 2rem 1.5rem;
  padding-top: max(2rem, calc(1rem + env(safe-area-inset-top)));
  padding-bottom: max(2rem, calc(1rem + env(safe-area-inset-bottom)));
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
  padding: 1.1rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  width: 88%;
  text-align: center;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu a:hover,
.mobile-menu a:active { color: var(--color-purple-light); }

.mobile-menu a.nav-cta {
  margin-top: 1.25rem;
  width: 88%;
  border-bottom: none;
  border-radius: 0.75rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  font-family: var(--font-sans);
  text-decoration: none;
}

.btn-primary {
  background: var(--grad-purple);
  color: white;
  box-shadow: 0 4px 20px rgba(124,58,237,0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124,58,237,0.5);
}

.btn-gold {
  background: var(--grad-gold);
  color: #1a1000;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(212,175,106,0.3);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212,175,106,0.45);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-purple);
  color: var(--color-white);
  background: rgba(155,89,255,0.08);
}

.btn-line {
  background: #06c755;
  color: white;
}

.btn-line:hover {
  background: #05a847;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.6rem 1.4rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 1.1rem 2.8rem;
  font-size: 1rem;
}

/* ── Hero Section ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 70px;
  overflow: hidden;
  background: var(--color-bg);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--grad-bg);
  z-index: 0;
}

.hero-orb-1 {
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,0.18) 0%, transparent 70%);
  top: -200px;
  right: -150px;
  animation: orb-float 8s ease-in-out infinite;
}

.hero-orb-2 {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(155,89,255,0.12) 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
  animation: orb-float 10s ease-in-out infinite reverse;
}

.hero-orb-3 {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,175,106,0.1) 0%, transparent 70%);
  top: 40%;
  left: 30%;
  animation: orb-float 12s ease-in-out infinite 2s;
}

@keyframes orb-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(155,89,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(155,89,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(155,89,255,0.12);
  border: 1px solid rgba(155,89,255,0.3);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-purple-light);
  margin-bottom: var(--space-md);
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-purple);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.hero h1 .line-accent {
  display: block;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-top: 0.3rem;
}

.hero-sub {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  max-width: 560px;
  line-height: 1.9;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: var(--space-md);
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.hero-trust-item .icon {
  color: var(--color-gold);
  font-size: 0.8rem;
}

/* ── Feature Cards (4 strengths) ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-2);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  border-color: var(--color-border);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad-purple);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(155,89,255,0.12);
  border: 1px solid rgba(155,89,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ── Service Overview ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-2);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 0;
  background: var(--grad-purple);
  opacity: 0.07;
  transition: height var(--transition);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.service-card:hover { border-color: rgba(155,89,255,0.3); transform: translateY(-3px); }
.service-card:hover::after { height: 100%; }

.service-number {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 300;
  color: rgba(155,89,255,0.2);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.service-card h3 { font-size: 1.05rem; margin-bottom: 0.75rem; }
.service-card p { font-size: 0.85rem; color: var(--color-text-muted); line-height: 1.8; }

/* ── Pain Points ── */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.pain-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border-2);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  transition: all var(--transition);
}

.pain-item:hover {
  border-color: rgba(155,89,255,0.3);
  background: var(--color-surface-2);
}

.pain-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.pain-item p {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.6;
}

/* ── Stats ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2px;
  background: var(--color-border-2);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border-2);
}

.stat-item {
  background: var(--color-surface);
  padding: 2.5rem 1.5rem;
  text-align: center;
  transition: background var(--transition);
}

.stat-item:hover { background: var(--color-surface-2); }

.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 600;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* ── Flow Steps ── */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0;
  position: relative;
}

.flow-step {
  text-align: center;
  padding: 2rem 1rem;
  position: relative;
}

.flow-step::after {
  content: '→';
  position: absolute;
  right: -0.5rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-purple);
  font-size: 1.2rem;
  opacity: 0.5;
}

.flow-step:last-child::after { display: none; }

.flow-step-num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--grad-purple);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: white;
  margin: 0 auto 1rem;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(124,58,237,0.35);
}

.flow-step h4 {
  font-size: 0.9rem;
  color: var(--color-white);
  margin-bottom: 0.4rem;
}

.flow-step p {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── Pricing Cards ── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-2);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.pricing-card:hover {
  border-color: rgba(155,89,255,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.pricing-card.featured {
  border-color: rgba(212,175,106,0.4);
  background: linear-gradient(145deg, #1a1a2e 0%, #1d1428 100%);
  box-shadow: 0 0 0 1px rgba(212,175,106,0.2), var(--shadow-card);
}

.pricing-card.featured:hover {
  border-color: rgba(212,175,106,0.7);
  box-shadow: 0 0 0 1px rgba(212,175,106,0.4), 0 20px 60px rgba(0,0,0,0.5), var(--shadow-gold);
}

.pricing-badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--grad-gold);
  color: #1a1000;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
}

.pricing-name {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-purple-light);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}

.pricing-amount {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 600;
  color: var(--color-white);
}

.pricing-card.featured .pricing-amount {
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pricing-unit {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.pricing-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--color-text);
  line-height: 1.5;
}

.pricing-feature .check {
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 0.1rem;
  font-size: 0.9rem;
}

.pricing-feature .minus {
  color: rgba(255,255,255,0.2);
  flex-shrink: 0;
}

.pricing-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-2);
  line-height: 1.7;
}

/* ── FAQ ── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--color-border-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-2);
}

.faq-item {
  background: var(--color-surface);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.4rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-white);
  transition: background var(--transition);
  background: none;
  font-family: var(--font-sans);
  cursor: pointer;
}

.faq-question:hover { background: var(--color-surface-2); }

.faq-question.active { background: var(--color-surface-2); color: var(--color-purple-light); }

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(155,89,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition);
  font-size: 0.7rem;
  color: var(--color-purple-light);
}

.faq-question.active .faq-icon { transform: rotate(180deg); background: rgba(155,89,255,0.25); }

.faq-answer {
  display: none;
  padding: 0 1.75rem 1.4rem;
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.9;
}

.faq-answer.open { display: block; }

/* ── Blog Cards ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  border-color: rgba(155,89,255,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.blog-thumb {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--color-surface-2) 0%, rgba(155,89,255,0.1) 100%);
  position: relative;
  overflow: hidden;
}

.blog-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-thumb img { transform: scale(1.05); }

.blog-thumb-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  opacity: 0.3;
}

.blog-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-cat {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-purple-light);
  margin-bottom: 0.6rem;
}

.blog-card h3 {
  font-size: 0.95rem;
  color: var(--color-white);
  margin-bottom: 0.6rem;
  line-height: 1.5;
}

.blog-excerpt {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  flex: 1;
  margin-bottom: 1rem;
}

.blog-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ── Works / Case Studies ── */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.work-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-2);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all var(--transition);
}

.work-card:hover {
  border-color: rgba(155,89,255,0.3);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.work-genre {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(155,89,255,0.1);
  border: 1px solid rgba(155,89,255,0.2);
  color: var(--color-purple-light);
  padding: 0.3rem 0.9rem;
  border-radius: 100px;
  font-size: 0.73rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.work-row {
  margin-bottom: 1.2rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--color-border-2);
}

.work-row:last-of-type { border-bottom: none; }

.work-row-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
}

.work-row-content {
  font-size: 0.88rem;
  color: var(--color-text);
  line-height: 1.7;
}

.work-result {
  font-size: 0.88rem;
  color: var(--color-gold);
  font-weight: 500;
}

.work-comment {
  background: rgba(155,89,255,0.06);
  border-left: 2px solid rgba(155,89,255,0.4);
  padding: 0.75rem 1rem;
  font-size: 0.83rem;
  color: var(--color-text);
  line-height: 1.7;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  margin-top: 1rem;
}

/* ── CTA Section ── */
.cta-section {
  padding: var(--space-xl) 0;
  position: relative;
  overflow: hidden;
}

.cta-section .bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,0.15) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.cta-box {
  background: linear-gradient(145deg, rgba(124,58,237,0.12) 0%, rgba(80,20,180,0.08) 100%);
  border: 1px solid rgba(155,89,255,0.25);
  border-radius: var(--radius-xl);
  padding: clamp(3rem, 7vw, 5rem) clamp(2rem, 6vw, 4rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(155,89,255,0.5), rgba(212,175,106,0.5), transparent);
}

.cta-box h2 {
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  margin-bottom: var(--space-sm);
}

.cta-box p {
  font-size: 0.95rem;
  color: var(--color-text);
  max-width: 520px;
  margin: 0 auto var(--space-md);
  line-height: 1.9;
}

.cta-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: var(--space-lg);
}

.footer-brand .site-logo { margin-bottom: 1rem; }

.footer-brand p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.9;
  max-width: 280px;
}

.footer-sns {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.footer-sns a {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all var(--transition);
}

.footer-sns a:hover {
  border-color: var(--color-purple);
  color: var(--color-purple-light);
  background: rgba(155,89,255,0.1);
}

.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }

.footer-col ul li a {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-col ul li a:hover { color: var(--color-white); }

.footer-bottom {
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copyright {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-legal a:hover { color: var(--color-text); }

/* ── Fixed CTA (Mobile) ── */
.fixed-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 0.85rem 1rem;
  padding-bottom: max(0.85rem, calc(0.85rem + env(safe-area-inset-bottom)));
  background: rgba(8,8,16,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(155,89,255,0.2);
  display: none;
  gap: 0.75rem;
}

.fixed-cta .btn {
  flex: 1;
  justify-content: center;
  padding: 1rem 0.75rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 0.75rem;
  min-height: 52px;
}

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--color-text-muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--color-purple-light); }
.breadcrumb .sep { opacity: 0.4; }
.breadcrumb .current { color: var(--color-text); }

/* ── Page Hero ── */
.page-hero {
  padding: 130px 0 var(--space-lg);
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border-2);
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124,58,237,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 0.75rem;
}

.page-hero p {
  font-size: 1rem;
  color: var(--color-text);
  max-width: 560px;
  line-height: 1.9;
}

/* ── Comparison Table ── */
.compare-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-2);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}

.compare-table th,
.compare-table td {
  padding: 1rem 1.25rem;
  text-align: center;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--color-border-2);
}

.compare-table th:first-child,
.compare-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--color-text);
  padding-left: 1.5rem;
}

.compare-table thead th {
  background: var(--color-surface-2);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.compare-table thead th.featured-col {
  background: linear-gradient(180deg, rgba(124,58,237,0.2) 0%, rgba(124,58,237,0.08) 100%);
  color: var(--color-purple-light);
}

.compare-table tbody tr:nth-child(odd) td { background: rgba(255,255,255,0.01); }
.compare-table tbody tr:hover td { background: rgba(155,89,255,0.04); }

.compare-table .check-cell { color: var(--color-gold); font-size: 1rem; }
.compare-table .no-cell { color: rgba(255,255,255,0.2); }
.compare-table td.featured-col { color: var(--color-purple-light); }

/* ── Payment Info ── */
.payment-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border-2);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  margin-top: var(--space-lg);
}

.payment-box h3 {
  font-size: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border-2);
}

.payment-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.75rem;
}

.payment-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--color-text);
  line-height: 1.6;
}

.payment-item::before {
  content: '·';
  color: var(--color-gold);
  flex-shrink: 0;
  font-size: 1.2rem;
  line-height: 1.2;
}

/* ── Contact Form ── */
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border-2);
  border-radius: var(--radius-xl);
  padding: 3rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.form-label .req {
  color: var(--color-purple-light);
  margin-left: 0.25rem;
  font-size: 0.7rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.1rem;
  font-size: 0.88rem;
  color: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  font-family: var(--font-sans);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: rgba(155,89,255,0.5);
  box-shadow: 0 0 0 3px rgba(155,89,255,0.1);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-muted); }

.form-select { appearance: none; cursor: pointer; }

.form-textarea { resize: vertical; min-height: 140px; }

.form-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border-2);
}

/* ── Company Table ── */
.company-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.company-table tr {
  border-bottom: 1px solid var(--color-border-2);
}

.company-table th {
  width: 200px;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-weight: 500;
  color: var(--color-text-muted);
  vertical-align: top;
  background: rgba(155,89,255,0.04);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
}

.company-table td {
  padding: 1.25rem 1.5rem;
  color: var(--color-text);
  line-height: 1.8;
}

/* ── Section Divider ── */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  margin: 0;
}

/* ── Tag ── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(155,89,255,0.1);
  border: 1px solid rgba(155,89,255,0.2);
  color: var(--color-purple-light);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.7rem;
  border-radius: 100px;
}

.tag-gold {
  background: rgba(212,175,106,0.1);
  border-color: rgba(212,175,106,0.25);
  color: var(--color-gold-2);
}

/* ── Blog Article ── */
.article-header { padding: 130px 0 var(--space-lg); }

.article-body {
  font-size: 0.95rem;
  line-height: 2;
  color: var(--color-text);
}

.article-body h2 {
  font-size: 1.4rem;
  color: var(--color-white);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.article-body h3 {
  font-size: 1.1rem;
  color: var(--color-white);
  margin: 2rem 0 0.75rem;
}

.article-body p { margin-bottom: 1.25rem; }

.article-body ul,
.article-body ol {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.article-body ol { list-style: decimal; }

.article-body blockquote {
  border-left: 3px solid var(--color-purple);
  padding: 1rem 1.5rem;
  background: rgba(155,89,255,0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--color-text);
}

/* ── Privacy & Legal Pages ── */
.legal-body {
  font-size: 0.88rem;
  line-height: 2;
  color: var(--color-text);
  max-width: 780px;
}

.legal-body h2 {
  font-size: 1.1rem;
  color: var(--color-white);
  margin: 2.5rem 0 0.75rem;
}

.legal-body p { margin-bottom: 1rem; }

.legal-body ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

/* ── Animations ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

/* ── Responsive ── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav { display: none; }
  .hamburger { display: flex; }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 3.5rem;
    --space-lg: 2rem;
    --space-md: 1.5rem;
  }

  /* ヒーロー */
  .hero { min-height: auto; padding: 110px 0 56px; }
  .hero-cta-group { flex-direction: column; align-items: stretch; gap: 0.75rem; }
  .hero-cta-group .btn { width: 100%; justify-content: center; min-height: 52px; font-size: 1rem; }
  .hero-trust { flex-wrap: wrap; gap: 0.6rem; justify-content: flex-start; }

  /* フィーチャーカード */
  .features-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .feature-card { padding: 1.5rem 1rem; }

  /* 料金グリッド */
  .pricing-grid { grid-template-columns: 1fr; gap: 1.25rem; }

  /* 実績 */
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }

  /* フロー */
  .flow-steps { grid-template-columns: 1fr; }
  .flow-step::after { content: '↓'; right: auto; left: 50%; top: auto; bottom: -1rem; transform: translateX(-50%); }

  /* CTA */
  .cta-btn-group { flex-direction: column; align-items: stretch; gap: 0.75rem; }
  .cta-btn-group .btn { width: 100%; max-width: 400px; margin: 0 auto; justify-content: center; min-height: 52px; }

  /* テーブル */
  .company-table th { width: 110px; padding: 0.85rem; font-size: 0.82rem; }
  .company-table td { padding: 0.85rem; font-size: 0.88rem; }

  /* 比較表 */
  .compare-table { font-size: 0.78rem; }
  .compare-table th, .compare-table td { padding: 0.6rem 0.5rem; }

  /* フッター */
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }

  /* 固定CTA表示 */
  .fixed-cta { display: flex; }
  body { padding-bottom: calc(80px + env(safe-area-inset-bottom)); }

  /* セクションタイトル */
  .section-title { font-size: clamp(1.5rem, 5vw, 2rem); }
  .section-subtitle { font-size: 0.88rem; }

  /* ワークカード */
  .works-grid { grid-template-columns: 1fr; }
  .work-card { padding: 1.5rem; }

  /* ページヒーロー */
  .page-hero { padding: 100px 0 2.5rem; }
  .page-hero h1 { font-size: clamp(1.8rem, 6vw, 2.8rem); }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: clamp(1.7rem, 7vw, 2.1rem); line-height: 1.3; }
  .hero-sub { font-size: 0.88rem; }
  .container { padding: 0 1.1rem; }

  /* ボタンのタップ領域を確保 */
  .btn { min-height: 48px; }
  .btn-sm { min-height: 44px; font-size: 0.88rem; }

  /* フィーチャーカード - 小さい画面では2列維持 */
  .feature-card { padding: 1.25rem 0.75rem; }
  .feature-icon { font-size: 2rem; }
  .feature-card h3 { font-size: 0.88rem; }
  .feature-card p { font-size: 0.78rem; }

  /* FAQ */
  .faq-question { font-size: 0.9rem; padding: 1rem; }
  .faq-answer { font-size: 0.85rem; padding: 0 1rem 1rem; }

  /* 統計数値 */
  .stat-number { font-size: 2.5rem; }
  .stat-label { font-size: 0.78rem; }

  /* 固定CTAのフォント */
  .fixed-cta .btn { font-size: 0.88rem; }

  /* pricing card */
  .pricing-card { padding: 1.5rem 1.25rem; }

  /* テーブルをスタック表示 */
  .company-table,
  .company-table tbody,
  .company-table tr,
  .company-table th,
  .company-table td { display: block; width: 100%; }
  .company-table th { padding: 0.75rem 1rem 0.2rem; color: var(--color-gold); font-size: 0.78rem; }
  .company-table td { padding: 0.2rem 1rem 0.75rem; border-top: none; }
  .company-table tr { border-bottom: 1px solid rgba(255,255,255,0.07); }
}

/* 極小画面 (375px以下) */
@media (max-width: 375px) {
  .hero h1 { font-size: 1.6rem; }
  .fixed-cta { gap: 0.5rem; }
  .fixed-cta .btn { font-size: 0.82rem; padding: 0.85rem 0.5rem; }
}

/* ── 法的ページ（プライバシーポリシー / 特定商取引法）── */
.legal-doc {
  color: rgba(255,255,255,0.8);
  line-height: 1.85;
}
.legal-section {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.legal-section:last-of-type {
  border-bottom: none;
}
.legal-section h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.75rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--color-accent);
}
.legal-section p {
  margin-bottom: 0.75rem;
}
.legal-section ul {
  padding-left: 1.5rem;
  margin-top: 0.5rem;
}
.legal-section li {
  margin-bottom: 0.4rem;
  color: rgba(255,255,255,0.72);
}
.legal-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.07);
}
.legal-table tr {
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.legal-table tr:last-child {
  border-bottom: none;
}
.legal-table th {
  width: 180px;
  padding: 1.1rem 1.5rem;
  text-align: left;
  font-size: 0.88rem;
  color: var(--color-gold);
  font-weight: 600;
  background: rgba(255,255,255,0.02);
  vertical-align: top;
  white-space: nowrap;
}
.legal-table td {
  padding: 1.1rem 1.5rem;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
}
@media (max-width: 600px) {
  .legal-table,
  .legal-table tbody,
  .legal-table tr,
  .legal-table th,
  .legal-table td { display: block; width: 100%; }
  .legal-table th {
    padding: 0.75rem 1.25rem 0.25rem;
    white-space: normal;
    color: var(--color-gold);
    font-size: 0.82rem;
  }
  .legal-table td {
    padding: 0.25rem 1.25rem 1rem;
  }
}

/* ── タッチ操作最適化 ── */
* {
  -webkit-tap-highlight-color: transparent; /* タップ時の青枠を消す */
}

a, button, [role="button"] {
  touch-action: manipulation; /* ダブルタップズームを無効化してレスポンスを速く */
}

/* スクロール慣性 (iOS) */
.mobile-menu {
  -webkit-overflow-scrolling: touch;
}

/* 画像のモバイル最適化 */
img {
  max-width: 100%;
  height: auto;
}

/* テキスト選択のUX向上 */
.btn, .filter-btn, .hamburger {
  user-select: none;
  -webkit-user-select: none;
}