/*
Theme Name: Extend Theme
Theme URI: https://extend-sns.com
Author: 合同会社エクステンド
Author URI: https://extend-sns.com
Description: SNS運用代行 合同会社エクステンド 公式サイトテーマ。ワンページ構成のモダンなデザイン。
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: extend-theme
Tags: one-page, responsive-layout, custom-colors, custom-menu, featured-images
*/

/* ============================================
   リセット & 基本設定
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #5B4EE8;
  --color-primary-dark: #4338CA;
  --color-primary-light: #7C71F0;
  --color-accent: #FF6B6B;
  --color-accent-dark: #E85555;
  --color-dark: #1A1A2E;
  --color-dark-2: #16213E;
  --color-text: #333344;
  --color-text-light: #666680;
  --color-bg: #F8F9FF;
  --color-white: #FFFFFF;
  --color-gray-light: #F0F1FA;
  --color-border: #E2E4F0;
  --gradient-primary: linear-gradient(135deg, #5B4EE8 0%, #8B6FFF 100%);
  --gradient-hero: linear-gradient(135deg, #1A1A2E 0%, #16213E 40%, #2D2B6B 100%);
  --shadow-sm: 0 2px 8px rgba(91, 78, 232, 0.12);
  --shadow-md: 0 8px 32px rgba(91, 78, 232, 0.18);
  --shadow-lg: 0 16px 64px rgba(91, 78, 232, 0.22);
  --border-radius: 12px;
  --border-radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'メイリオ', sans-serif;
  --font-display: 'Montserrat', var(--font-sans);
}

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

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

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

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

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

ul, ol {
  list-style: none;
}

/* ============================================
   ユーティリティ
   ============================================ */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-wrap {
  padding: 100px 0;
}

.section-wrap.bg-light {
  background-color: var(--color-bg);
}

.section-wrap.bg-dark {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(91, 78, 232, 0.1);
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-dark);
  margin-bottom: 20px;
}

.bg-dark .section-title {
  color: var(--color-white);
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.9;
}

.bg-dark .section-desc {
  color: rgba(255, 255, 255, 0.7);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  letter-spacing: 0.03em;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-white);
}

.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);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-primary-dark);
}

/* ============================================
   ヘッダー・ナビゲーション
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
  padding: 16px 0;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.07);
}

.site-header.scrolled {
  padding: 12px 0;
  box-shadow: 0 2px 32px rgba(0, 0, 0, 0.11);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  font-weight: 900;
  font-family: var(--font-display);
  box-shadow: var(--shadow-sm);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-name {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-dark);
  font-family: var(--font-display);
  letter-spacing: 0.05em;
}

.logo-sub {
  font-size: 9px;
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
  letter-spacing: 0.03em;
}

.site-nav a:hover {
  color: var(--color-primary);
  background: rgba(91, 78, 232, 0.07);
}

.header-cta .btn {
  padding: 10px 24px;
  font-size: 14px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* モバイルメニューは基本非表示 */
.mobile-menu {
  display: none;
}

/* ============================================
   ヒーローセクション
   ============================================ */
#hero {
  min-height: 100vh;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 160px 0 120px;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
}

.hero-shape-1 {
  width: 600px;
  height: 600px;
  background: var(--color-primary);
  top: -200px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.hero-shape-2 {
  width: 400px;
  height: 400px;
  background: #FF6B6B;
  bottom: -100px;
  left: -100px;
  animation: float 10s ease-in-out infinite reverse;
}

.hero-shape-3 {
  width: 300px;
  height: 300px;
  background: #06B6D4;
  top: 30%;
  left: 40%;
  animation: float 12s ease-in-out infinite;
}

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

.hero-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
}

.hero-content {
  color: var(--color-white);
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  border-radius: 100px;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 28px;
  letter-spacing: 0.05em;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: #4ADE80;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.hero-title .accent {
  background: linear-gradient(90deg, #A78BFA, #60A5FA, #34D399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.9;
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.hero-stats {
  display: flex;
  gap: 32px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 6px;
}

.hero-stat-num span {
  font-size: 16px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.6);
}

.hero-stat-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.05em;
}

/* ヒーロービジュアル */
.hero-visual {
  position: relative;
}

.hero-mockup {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  border-radius: var(--border-radius-lg);
  padding: 28px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.3);
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}

.mockup-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.mockup-dot:nth-child(1) { background: #FF5F57; }
.mockup-dot:nth-child(2) { background: #FFBD2E; }
.mockup-dot:nth-child(3) { background: #28C840; }

.mockup-title {
  margin-left: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--font-display);
}

.mockup-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 120px;
  margin-bottom: 20px;
  padding: 0 4px;
}

.chart-bar {
  flex: 1;
  border-radius: 6px 6px 0 0;
  background: var(--gradient-primary);
  opacity: 0.8;
  transition: var(--transition);
  animation: growBar 1.5s ease-out forwards;
  transform-origin: bottom;
}

.chart-bar:nth-child(2) { animation-delay: 0.1s; }
.chart-bar:nth-child(3) { animation-delay: 0.2s; }
.chart-bar:nth-child(4) { animation-delay: 0.3s; }
.chart-bar:nth-child(5) { animation-delay: 0.4s; }
.chart-bar:nth-child(6) { animation-delay: 0.5s; }
.chart-bar:nth-child(7) { animation-delay: 0.6s; }

@keyframes growBar {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

.mockup-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.metric-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 14px 16px;
}

.metric-label {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 4px;
  letter-spacing: 0.05em;
}

.metric-value {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-white);
}

.metric-change {
  font-size: 11px;
  font-weight: 600;
  color: #4ADE80;
  margin-left: 4px;
}

.hero-float-card {
  position: absolute;
  background: var(--color-white);
  border-radius: var(--border-radius);
  padding: 12px 16px;
  box-shadow: var(--shadow-lg);
  animation: floatCard 4s ease-in-out infinite;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-float-card-1 {
  bottom: -20px;
  left: -30px;
  animation-delay: 0s;
}

.hero-float-card-2 {
  top: -20px;
  right: -20px;
  animation-delay: 2s;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.float-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.float-icon.instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.float-icon.tiktok { background: #000000; }

.float-text strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-dark);
}

.float-text span {
  font-size: 11px;
  color: var(--color-text-light);
}

/* ============================================
   実績カウンターセクション
   ============================================ */
#achievement {
  background: var(--gradient-primary);
  padding: 64px 0;
  overflow: hidden;
  position: relative;
}

#achievement::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
  position: relative;
  z-index: 1;
}

.achievement-item {
  text-align: center;
  color: var(--color-white);
}

.achievement-num {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
}

.achievement-num .unit {
  font-size: 0.55em;
  font-weight: 600;
  opacity: 0.8;
}

.achievement-label {
  font-size: 13px;
  opacity: 0.8;
  letter-spacing: 0.05em;
}

/* ============================================
   サービスセクション
   ============================================ */
#service .service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 36px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

.service-icon {
  width: 64px;
  height: 64px;
  background: rgba(91, 78, 232, 0.1);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 24px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--gradient-primary);
  transform: scale(1.1);
}

.service-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 12px;
}

.service-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.85;
  margin-bottom: 20px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.service-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(91, 78, 232, 0.08);
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.03em;
}

/* ============================================
   SNSプラットフォームセクション
   ============================================ */
#platforms {
  padding: 100px 0;
  background: var(--color-dark);
}

.platforms-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 64px;
}

.platform-item {
  text-align: center;
  padding: 32px 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-lg);
  transition: var(--transition);
  cursor: default;
}

.platform-item:hover {
  background: rgba(91, 78, 232, 0.15);
  border-color: var(--color-primary);
  transform: translateY(-6px);
}

.platform-logo {
  font-size: 42px;
  margin-bottom: 14px;
  display: block;
}

.platform-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 6px;
}

.platform-desc {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.03em;
}

/* ============================================
   なぜエクステンドか（強み）セクション
   ============================================ */
#why {
  padding: 100px 0;
  background: var(--color-bg);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.why-visual {
  position: relative;
}

.why-card-stack {
  position: relative;
  height: 420px;
}

.why-feature-card {
  position: absolute;
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  width: 280px;
  transition: var(--transition);
}

.why-feature-card:nth-child(1) { top: 0; left: 0; }
.why-feature-card:nth-child(2) { top: 80px; left: 80px; box-shadow: var(--shadow-lg); }
.why-feature-card:nth-child(3) { top: 160px; left: 40px; }

.wfc-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.wfc-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.wfc-desc {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.wfc-progress {
  margin-top: 14px;
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
}

.wfc-progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 2px;
  transition: width 1.5s ease;
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.why-item {
  display: flex;
  gap: 20px;
}

.why-item-num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.why-item-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.why-item-body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.85;
}

/* ============================================
   導入フロー
   ============================================ */
#flow {
  padding: 100px 0;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
  margin-top: 64px;
}

.flow-steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  z-index: 0;
}

.flow-step {
  text-align: center;
  padding: 0 12px;
  position: relative;
  z-index: 1;
}

.flow-step-num {
  width: 72px;
  height: 72px;
  background: var(--color-white);
  border: 3px solid var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0 auto 20px;
  transition: var(--transition);
}

.flow-step:hover .flow-step-num {
  background: var(--gradient-primary);
  color: var(--color-white);
  border-color: transparent;
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.flow-step-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.flow-step-desc {
  font-size: 12px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ============================================
   料金プラン
   ============================================ */
#price {
  padding: 100px 0;
  background: var(--color-bg);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: start;
}

.price-card {
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
}

.price-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.04);
}

.price-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 20px;
  border-radius: 100px;
  white-space: nowrap;
  letter-spacing: 0.05em;
}

.price-plan-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.price-plan-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 20px;
}

.price-amount {
  margin-bottom: 8px;
}

.price-amount .currency {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text-light);
  vertical-align: top;
  line-height: 1.8;
}

.price-amount .num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1;
}

.price-amount .period {
  font-size: 14px;
  color: var(--color-text-light);
}

.price-note {
  font-size: 12px;
  color: var(--color-text-light);
  margin-bottom: 28px;
}

.price-divider {
  height: 1px;
  background: var(--color-border);
  margin: 24px 0;
}

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

.price-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text);
}

.price-feature-icon {
  color: #4ADE80;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.price-feature.disabled {
  color: var(--color-text-light);
  text-decoration: line-through;
  opacity: 0.5;
}

.price-feature.disabled .price-feature-icon {
  color: var(--color-text-light);
}

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

/* ============================================
   よくある質問
   ============================================ */
#faq {
  padding: 100px 0;
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.open {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
  transition: var(--transition);
}

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

.faq-q-mark {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: rgba(91, 78, 232, 0.1);
  color: var(--color-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
}

.faq-toggle {
  margin-left: auto;
  width: 28px;
  height: 28px;
  background: var(--color-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 18px;
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item.open .faq-toggle {
  background: var(--color-primary);
  color: white;
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 24px 22px 72px;
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.9;
}

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

/* ============================================
   CTAバナー
   ============================================ */
#cta-banner {
  padding: 80px 0;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  text-align: center;
}

#cta-banner::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: var(--color-primary);
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.25;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
}

#cta-banner .container {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 20px;
  line-height: 1.3;
}

.cta-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================
   お問い合わせセクション
   ============================================ */
#contact {
  padding: 100px 0;
  background: var(--color-bg);
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}

.contact-info h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 16px;
}

.contact-info p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.9;
  margin-bottom: 40px;
}

.contact-detail-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 14px;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  background: rgba(91, 78, 232, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.contact-detail-text strong {
  display: block;
  font-size: 13px;
  color: var(--color-text-light);
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-detail-text span {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
}

/* Contact Form 7 スタイル上書き */
.contact-form-box {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.wpcf7 .form-row {
  margin-bottom: 20px;
}

.wpcf7 label.form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.wpcf7 label.form-label .required {
  color: var(--color-accent);
  margin-left: 4px;
  font-size: 12px;
}

.wpcf7 input[type="text"],
.wpcf7 input[type="email"],
.wpcf7 input[type="tel"],
.wpcf7 select,
.wpcf7 textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  font-size: 15px;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-white);
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.wpcf7 input[type="text"]:focus,
.wpcf7 input[type="email"]:focus,
.wpcf7 input[type="tel"]:focus,
.wpcf7 select:focus,
.wpcf7 textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(91, 78, 232, 0.1);
}

.wpcf7 textarea {
  resize: vertical;
  min-height: 140px;
}

.wpcf7 input[type="submit"] {
  width: 100%;
  padding: 16px 32px;
  background: var(--gradient-primary);
  color: var(--color-white);
  border: none;
  border-radius: 100px;
  font-size: 16px;
  font-weight: 700;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  letter-spacing: 0.05em;
}

.wpcf7 input[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.wpcf7-response-output {
  margin-top: 20px !important;
  padding: 14px 18px !important;
  border-radius: 10px !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  border: none !important;
}

.wpcf7-mail-sent-ok {
  background: rgba(74, 222, 128, 0.1) !important;
  color: #16A34A !important;
}

.wpcf7-mail-sent-ng,
.wpcf7-validation-errors {
  background: rgba(255, 107, 107, 0.1) !important;
  color: var(--color-accent-dark) !important;
}

.wpcf7 .wpcf7-not-valid-tip {
  color: var(--color-accent) !important;
  font-size: 12px !important;
  margin-top: 4px !important;
}

/* ============================================
   フッター
   ============================================ */
.site-footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand .logo-name {
  color: var(--color-white) !important;
}

.footer-brand .logo-sub {
  color: rgba(255, 255, 255, 0.5) !important;
}

.footer-catch {
  font-size: 14px;
  line-height: 1.85;
  margin: 20px 0 28px;
  opacity: 0.7;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

.footer-social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
}

.footer-copy {
  opacity: 0.5;
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.45);
  font-size: 12px;
  transition: var(--transition);
}

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

/* ============================================
   スクロールトップボタン
   ============================================ */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  z-index: 999;
  color: white;
  font-size: 20px;
}

.scroll-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ============================================
   フェードインアニメーション
   ============================================ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }
.fade-up:nth-child(5) { transition-delay: 0.4s; }

/* ============================================
   レスポンシブ
   ============================================ */
@media (max-width: 1024px) {
  .achievement-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

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

  .platforms-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .flow-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .flow-steps::before { display: none; }

  .price-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
  }

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

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

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

  .site-nav,
  .header-cta {
    display: none;
  }

  .hamburger { display: flex; }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-visual { display: none; }

  .hero-stats {
    justify-content: center;
  }

  .hero-actions {
    justify-content: center;
  }

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

  .why-visual { display: none; }

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

  .contact-form-box {
    padding: 32px 24px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

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

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

  .flow-steps {
    grid-template-columns: 1fr 1fr;
  }

  /* モバイルメニュー */
  .mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--color-dark);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

  .mobile-menu.open {
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-menu a {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-white);
    padding: 12px 24px;
    border-radius: 10px;
    transition: var(--transition);
  }

  .mobile-menu a:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-primary-light);
  }
}

@media (max-width: 480px) {
  .achievement-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .platforms-list {
    grid-template-columns: 1fr 1fr;
  }

  .flow-steps {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }
}