/* ===================================
   CSS Variables & Reset
=================================== */
:root {
  --color-primary: #1A2E4A;
  --color-primary-light: #2A4A72;
  --color-accent: #FF6B00;
  --color-accent-light: #FF8C33;
  --color-white: #ffffff;
  --color-bg: #F7F6F3;
  --color-bg-dark: #0F1E30;
  --color-text: #2C2C2C;
  --color-text-light: #6B7280;
  --color-border: #E5E7EB;
  --color-lawyer: #1A2E4A;
  --color-builder: #2D4A3E;
  --font-sans: 'Noto Sans JP', sans-serif;
  --font-serif: 'Noto Serif JP', serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --transition: 0.3s ease;
  --max-width: 1200px;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.7;
  -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;
}

/* ===================================
   Utility
=================================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.sp-only {
  display: none;
}

.highlight {
  color: var(--color-accent);
}

/* ===================================
   Buttons
=================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border: 2px solid var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-white);
}

.btn-white:hover {
  background: var(--color-bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-large {
  padding: 18px 36px;
  font-size: 1.05rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ===================================
   Section Common
=================================== */
section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header--left {
  text-align: left;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===================================
   Header
=================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo a {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.logo-main {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.logo-sub {
  font-size: 0.7rem;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

/* ロゴ画像 */
.header-logo-img {
  height: 52px;
  width: auto;
  display: block;
  object-fit: contain;
}

@media (max-width: 768px) {
  .header-logo-img {
    height: 40px;
  }
}

.header-nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header-nav a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

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

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

.nav-cta {
  background: var(--color-accent);
  color: var(--color-white) !important;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  transition: background var(--transition) !important;
}

.nav-cta:hover {
  background: var(--color-accent-light) !important;
}

.nav-cta::after {
  display: none !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ===================================
   Hero
=================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
  background: var(--color-primary);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 70% 50%, rgba(42, 74, 114, 0.6) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(255, 107, 0, 0.15) 0%, transparent 50%),
    linear-gradient(135deg, #0F1E30 0%, #1A2E4A 50%, #1E3A5F 100%);
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  border: 1px solid rgba(255, 107, 0, 0.15);
  animation: heroCircle 20s linear infinite;
}

.hero-bg::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  border: 1px solid rgba(255, 107, 0, 0.08);
  animation: heroCircle 15s linear infinite reverse;
}

@keyframes heroCircle {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 107, 0, 0.2);
  border: 1px solid rgba(255, 107, 0, 0.4);
  color: var(--color-accent-light);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4.5vw, 3.2rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.35;
  margin-bottom: 24px;
  max-width: 700px;
}

.hero-accent {
  color: var(--color-accent-light);
  position: relative;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.9;
  margin-bottom: 40px;
  max-width: 560px;
}

.hero-subtitle strong {
  color: var(--color-accent-light);
  font-weight: 700;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-cta .btn-outline {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.hero-cta .btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent-light);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* ===================================
   Reasons
=================================== */
.reasons {
  background: var(--color-bg);
}

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ホバー可能カード（白→ネイビー） */
.reason-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 0;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.reason-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-border);
  transition: background var(--transition);
  z-index: 1;
}

.reason-card--hoverable::before {
  transition: background var(--transition);
}

.reason-card--hoverable:hover::before {
  background: var(--color-accent);
}

.reason-card--hoverable:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* カード内部ラッパー（色変化のターゲット） */
.reason-card-inner {
  padding: 40px 32px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  transition:
    background var(--transition),
    color var(--transition);
  height: 100%;
}

.reason-card--hoverable:hover .reason-card-inner {
  background: var(--color-primary);
}

/* アイコン色変化 */
.reason-card-inner .reason-icon svg {
  color: var(--color-primary);
  transition: color var(--transition);
}

.reason-card--hoverable:hover .reason-card-inner .reason-icon svg {
  color: var(--color-white);
}

/* 番号色変化 */
.reason-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: 12px;
  font-family: var(--font-serif);
  transition: color var(--transition);
}

.reason-card--hoverable:hover .reason-number {
  color: rgba(255, 255, 255, 0.15);
}

/* タイトル色変化 */
.reason-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  line-height: 1.5;
  transition: color var(--transition);
}

.reason-card--hoverable:hover .reason-title {
  color: var(--color-white);
}

/* 本文色変化 */
.reason-body {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 20px;
  transition: color var(--transition);
}

.reason-card--hoverable:hover .reason-body {
  color: rgba(255, 255, 255, 0.85);
}

.reason-body strong {
  color: var(--color-primary);
  font-weight: 700;
  transition: color var(--transition);
}

.reason-card--hoverable:hover .reason-body strong {
  color: var(--color-accent-light);
}

.reason-icon {
  margin-bottom: 20px;
}

.reason-detail {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.detail-tag {
  font-size: 0.75rem;
  background: var(--color-bg);
  color: var(--color-text-light);
  padding: 4px 10px;
  border-radius: 100px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}

.reason-card--hoverable:hover .detail-tag {
  background: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.9);
}

/* ===================================
   Portfolio
=================================== */
.portfolio {
  background: var(--color-white);
}

.portfolio-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 48px;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0;
}

.tab-btn {
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
  background: none;
  cursor: pointer;
}

.tab-btn:hover {
  color: var(--color-primary);
}

.tab-btn--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 700;
}

.portfolio-category-label {
  margin-bottom: 32px;
}

.portfolio-category-label h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.portfolio-category-label p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 16px;
}

.portfolio-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  background: var(--color-white);
  border: 1px solid var(--color-border);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.portfolio-thumb {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-bg);
  display: block; /* aタグでも正しくブロック表示 */
  text-decoration: none;
  cursor: pointer;
}

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

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

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 46, 74, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  transition: opacity var(--transition);
  color: var(--color-white);
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.overlay-label {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.portfolio-info {
  padding: 20px 24px 24px;
}

.portfolio-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 10px;
}

.portfolio-tag--lawyer {
  background: rgba(26, 46, 74, 0.08);
  color: var(--color-lawyer);
}

.portfolio-tag--builder {
  background: rgba(45, 74, 62, 0.08);
  color: var(--color-builder);
}

.portfolio-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.portfolio-desc {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 14px;
}

.portfolio-link {
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 700;
  transition: color var(--transition);
}

.portfolio-link:hover {
  color: var(--color-primary);
}

.portfolio-links {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.portfolio-link--demo {
  color: var(--color-primary);
  background: var(--color-bg);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: 0.8rem;
  transition: all var(--transition);
}

.portfolio-link--demo:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.portfolio-cta {
  text-align: center;
  margin-top: 60px;
  padding: 48px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
}

.portfolio-cta p {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

/* ===================================
   Pricing
=================================== */
.pricing {
  background: var(--color-bg);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

/* 2列レイアウト（モニター＋基本プランのみ） */
.pricing-grid--two {
  grid-template-columns: repeat(2, 1fr);
  max-width: 800px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  position: relative;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.pricing-card--featured {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: scale(1.03);
}

.pricing-card--featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-badge--featured {
  background: var(--color-accent-light);
  color: var(--color-primary);
}

.pricing-header {
  margin-bottom: 24px;
  padding-top: 8px;
}

.pricing-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.pricing-card--featured .pricing-name {
  color: var(--color-white);
}

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

.pricing-card--featured .pricing-note {
  color: rgba(255, 255, 255, 0.7);
}

.pricing-price {
  margin-bottom: 28px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-from {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.pricing-card--featured .price-from {
  color: rgba(255, 255, 255, 0.7);
}

.price-amount {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.pricing-card--featured .price-amount {
  color: var(--color-accent-light);
}

.price-unit {
  font-size: 1rem;
  color: var(--color-text-light);
}

.pricing-card--featured .price-unit {
  color: rgba(255, 255, 255, 0.7);
}

.pricing-features {
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--color-text);
}

.pricing-card--featured .pricing-features li {
  color: rgba(255, 255, 255, 0.9);
}

.pricing-features li svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-note-bottom {
  text-align: center;
  margin-top: 32px;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* ===================================
   Pricing Card Hover (white -> navy)
=================================== */

/* ヒーロー白ボタン */
.btn-hero-white {
  background: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-white);
  font-weight: 700;
}

.btn-hero-white:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* フッターロゴ画像 */
.footer-logo-img {
  height: 48px;
  width: auto;
  display: block;
  object-fit: contain;
  margin-bottom: 8px;
}

/* ホバー対応のカード内部ラッパー */
.pricing-card--hoverable {
  padding: 0;
  cursor: default;
}

.pricing-card-inner {
  padding: 40px 32px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  transition:
    background var(--transition),
    color var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* モニタープラン：初期状態はネイビー背景 */
.pricing-card--featured .pricing-card-inner {
  background: var(--color-primary);
}

/* 基本プラン：ホバー時にネイビー背景 */
.pricing-card--hoverable:not(.pricing-card--featured):hover .pricing-card-inner {
  background: var(--color-primary);
}

/* モニタープラン：ホバー時に明るく */
.pricing-card--featured.pricing-card--hoverable:hover .pricing-card-inner {
  background: var(--color-primary-light);
}

/* タイトル色変化 */
.pricing-card--hoverable .pricing-name {
  transition: color var(--transition);
}

.pricing-card--hoverable:not(.pricing-card--featured) .pricing-name {
  color: var(--color-primary);
}

.pricing-card--hoverable:not(.pricing-card--featured):hover .pricing-name {
  color: var(--color-white);
}

.pricing-card--featured .pricing-name {
  color: var(--color-white);
}

/* ノート色変化 */
.pricing-card--hoverable .pricing-note {
  transition: color var(--transition);
}

.pricing-card--hoverable:not(.pricing-card--featured) .pricing-note {
  color: var(--color-text-light);
}

.pricing-card--hoverable:not(.pricing-card--featured):hover .pricing-note {
  color: rgba(255, 255, 255, 0.7);
}

.pricing-card--featured .pricing-note {
  color: rgba(255, 255, 255, 0.7);
}

/* 金額色変化 */
.pricing-card--hoverable .price-from,
.pricing-card--hoverable .price-unit {
  transition: color var(--transition);
}

.pricing-card--hoverable:not(.pricing-card--featured) .price-from,
.pricing-card--hoverable:not(.pricing-card--featured) .price-unit {
  color: var(--color-text-light);
}

.pricing-card--hoverable:not(.pricing-card--featured):hover .price-from,
.pricing-card--hoverable:not(.pricing-card--featured):hover .price-unit {
  color: rgba(255, 255, 255, 0.7);
}

.pricing-card--featured .price-from,
.pricing-card--featured .price-unit {
  color: rgba(255, 255, 255, 0.7);
}

/* 金額数字色変化 */
.pricing-card--hoverable .price-amount {
  transition: color var(--transition);
}

.pricing-card--hoverable:not(.pricing-card--featured) .price-amount {
  color: var(--color-primary);
}

.pricing-card--hoverable:not(.pricing-card--featured):hover .price-amount {
  color: var(--color-accent-light);
}

.pricing-card--featured .price-amount {
  color: var(--color-accent-light);
}

/* リスト項目色変化 */
.pricing-card--hoverable .pricing-features li {
  transition: color var(--transition);
}

.pricing-card--hoverable:not(.pricing-card--featured) .pricing-features li {
  color: var(--color-text);
}

.pricing-card--hoverable:not(.pricing-card--featured):hover .pricing-features li {
  color: rgba(255, 255, 255, 0.9);
}

.pricing-card--featured .pricing-features li {
  color: rgba(255, 255, 255, 0.9);
}

/* チェックアイコン色変化 */
.pricing-card--hoverable .check-icon {
  transition: color var(--transition);
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-card--hoverable:not(.pricing-card--featured) .check-icon {
  color: var(--color-primary);
}

.pricing-card--hoverable:not(.pricing-card--featured):hover .check-icon {
  color: rgba(255, 255, 255, 0.9);
}

.pricing-card--featured .check-icon {
  color: rgba(255, 255, 255, 0.9);
}

/* ボタン色変化 */
.pricing-card--hoverable .pricing-btn {
  margin-top: auto;
  transition: all var(--transition);
}

/* 基本プラン：ホバー時にボタンをホワイトに */
.pricing-card--hoverable:not(.pricing-card--featured):hover .btn-outline {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

/* モニターノート */
.pricing-monitor-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.8rem;
  line-height: 1.7;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.85);
  transition: background var(--transition), color var(--transition);
}

.pricing-monitor-note svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent-light);
}

/* モニターリボン */
.pricing-monitor-ribbon {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
  transition: background var(--transition);
}

.pricing-card--featured.pricing-card--hoverable:hover .pricing-monitor-ribbon {
  background: var(--color-accent-light);
}

/* 条件行（アンケート必須） */
.pricing-condition {
  opacity: 0.75;
  font-size: 0.85rem !important;
}

/* ===================================
   About
=================================== */
.about {
  background: var(--color-white);
}

.about-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  align-items: start;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about-meta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  padding: 24px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
}

.about-meta-item {
  display: flex;
  gap: 16px;
  font-size: 0.9rem;
}

.meta-label {
  font-weight: 700;
  color: var(--color-primary);
  min-width: 80px;
  flex-shrink: 0;
}

.meta-value {
  color: var(--color-text);
}

.about-message {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-primary);
  line-height: 1.8;
  padding: 20px 24px;
  border-left: 4px solid var(--color-accent);
  background: rgba(255, 107, 0, 0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 20px;
}

.about-body {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.9;
}

/* ===================================
   FAQ
=================================== */
.faq {
  background: var(--color-bg);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
  background: none;
  cursor: pointer;
  transition: background var(--transition);
}

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

.faq-icon {
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--color-accent);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-answer.open {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 28px 24px;
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.9;
}

/* ===================================
   Contact
=================================== */
.contact {
  background: var(--color-white);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-info-item svg {
  flex-shrink: 0;
  margin-top: 4px;
}

.info-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.info-value {
  font-size: 0.95rem;
  color: var(--color-primary);
  font-weight: 500;
}

.contact-note {
  padding: 16px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-note p {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.required {
  font-size: 0.7rem;
  background: #DC2626;
  color: white;
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 700;
}

.form-group input,
.form-group textarea {
  padding: 14px 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 46, 74, 0.1);
}

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

.form-privacy {
  margin-top: -4px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--color-text-light);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--color-primary);
}

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

.btn-submit {
  margin-top: 8px;
  font-size: 1rem;
  padding: 18px;
}

.form-success {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(45, 90, 61, 0.08);
  border: 1px solid rgba(45, 90, 61, 0.2);
  border-radius: var(--radius-md);
  color: #2D5A3D;
  font-size: 0.9rem;
  font-weight: 500;
}

/* ===================================
   Footer
=================================== */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 32px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.footer-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.footer-nav a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-links a {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition);
}

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

/* ===================================
   Page Top Button
=================================== */
.page-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 50;
}

.page-top.visible {
  opacity: 1;
  visibility: visible;
}

.page-top:hover {
  background: var(--color-primary-light);
  transform: translateY(-3px);
}

/* ===================================
   Animations
=================================== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s 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; }

/* ===================================
   Responsive
=================================== */
@media (max-width: 1024px) {
  .reasons-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .pricing-card--featured {
    transform: none;
  }

  .pricing-card--featured:hover {
    transform: translateY(-4px);
  }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  section {
    padding: 72px 0;
  }

  .sp-only {
    display: block;
  }

  .header-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-primary);
    padding: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 99;
  }

  .header-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .header-nav ul {
    flex-direction: column;
    gap: 16px;
  }

  .header-nav a {
    font-size: 1rem;
    padding: 8px 0;
    display: block;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.85);
  }

  .nav-cta {
    display: inline-block;
    text-align: center;
    border-bottom: none !important;
  }

  .hamburger {
    display: flex;
  }

  .hero-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-number {
    font-size: 1.6rem;
  }

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

  .portfolio-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .page-top {
    bottom: 20px;
    right: 20px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-content {
    padding: 60px 16px;
  }

  .hero-badge {
    font-size: 0.7rem;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .reason-card {
    padding: 28px 24px;
  }

  .pricing-card {
    padding: 32px 24px;
  }

  .faq-question {
    padding: 18px 20px;
    font-size: 0.9rem;
  }

  .faq-answer p {
    padding: 0 20px 20px;
  }

  .contact-form {
    gap: 16px;
  }

  .portfolio-cta {
    padding: 32px 24px;
  }
}