/*
Theme Name: Corp LP Theme
Theme URI: https://example.com
Description: シングルページ型コーポレートサイト用WordPressテーマ。カスタムフィールドで全コンテンツを管理。
Version: 1.0.0
Author: Your Name
License: GPL-2.0-or-later
Text Domain: corp-lp-theme
*/

/* ========================================
   CSS カスタムプロパティ（変数）
======================================== */
:root {
  --color-primary: #C8102E;
  --color-primary-dark: #9B0D23;
  --color-primary-light: #E8314F;
  --color-accent: #FF1744;
  --color-black: #0A0A0A;
  --color-dark: #1A1A1A;
  --color-gray-dark: #2D2D2D;
  --color-gray: #6B6B6B;
  --color-gray-light: #EBEBEB;
  --color-white: #FFFFFF;
  --color-bg: #FAFAFA;

  --font-display: 'Playfair Display', 'Noto Serif JP', Georgia, serif;
  --font-body: 'DM Sans', 'Noto Sans JP', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;

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

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.16);
  --shadow-red: 0 8px 32px rgba(200,16,46,0.3);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --container-max: 1200px;
  --container-narrow: 800px;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

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;
}

/* ========================================
   Google Fonts 読み込み（@import）
======================================== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400&family=DM+Sans:wght@300;400;500;600&family=Noto+Sans+JP:wght@300;400;500;700&family=Noto+Serif+JP:wght@400;700&display=swap');

/* ========================================
   ユーティリティ
======================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

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

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

.section--red {
  background-color: var(--color-primary);
  color: var(--color-white);
}

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

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
}

.section--dark .section-label,
.section--red .section-label {
  color: rgba(255,255,255,0.7);
}

.section--dark .section-label::before,
.section--red .section-label::before {
  background: rgba(255,255,255,0.7);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-gray);
  max-width: 600px;
  line-height: 1.8;
}

.section--dark .section-desc,
.section--red .section-desc {
  color: rgba(255,255,255,0.75);
}

/* アニメーション用クラス */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ========================================
   ヘッダー / ナビゲーション
======================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}

.site-header.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.08);
  padding: 0.75rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: -0.02em;
  transition: color var(--transition);
}

.site-header.scrolled .site-logo {
  color: var(--color-black);
}

.site-logo span {
  color: var(--color-primary);
}

.site-header.scrolled .site-logo span {
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-item a {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
  position: relative;
}

.site-header.scrolled .nav-item a {
  color: var(--color-gray);
}

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

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

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

.site-header.scrolled .nav-item a:hover {
  color: var(--color-primary);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.4rem;
  background: var(--color-primary);
  color: var(--color-white) !important;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-full);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.nav-cta:hover {
  background: var(--color-primary-dark) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-red);
}

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

/* ハンバーガーメニュー */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  cursor: pointer;
}

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

.site-header.scrolled .hamburger span {
  background: var(--color-dark);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========================================
   ヒーローセクション
======================================== */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--color-black);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.4;
  transition: opacity 0.5s ease;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(200,16,46,0.6) 0%,
    rgba(10,10,10,0.8) 60%
  );
}

.hero-noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  opacity: 0.4;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: 1.5rem;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--color-primary);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-white);
  margin-bottom: 1.5rem;
  max-width: 800px;
}

.hero-title em {
  font-style: italic;
  color: var(--color-primary-light);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 3rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-full);
  transition: all var(--transition);
  cursor: pointer;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
}

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

.btn--outline {
  border: 1.5px solid rgba(255,255,255,0.3);
  color: var(--color-white);
}

.btn--outline:hover {
  border-color: var(--color-white);
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.4);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  animation: bounce 2s infinite;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.4));
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ========================================
   実績数値（カウンターセクション）
======================================== */
.stats {
  padding: var(--space-lg) 0;
  background: var(--color-primary);
  color: var(--color-white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0;
}

.stat-item {
  padding: var(--space-md) var(--space-md);
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.15);
  position: relative;
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1;
  color: var(--color-white);
  letter-spacing: -0.03em;
}

.stat-number sup {
  font-size: 0.45em;
  vertical-align: super;
  margin-right: 2px;
}

.stat-number sub {
  font-size: 0.4em;
  vertical-align: baseline;
  margin-left: 2px;
}

.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  margin-top: 0.5rem;
  letter-spacing: 0.06em;
}

/* ========================================
   事業内容（サービス）
======================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5px;
  background: var(--color-gray-light);
  border: 1.5px solid var(--color-gray-light);
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.service-card {
  background: var(--color-white);
  padding: var(--space-lg) var(--space-md);
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.service-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  background: var(--color-black);
}

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

.service-number {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
  transition: color var(--transition);
}

.service-card:hover .service-icon {
  color: var(--color-white);
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-dark);
  transition: color var(--transition);
}

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

.service-desc {
  font-size: 0.92rem;
  color: var(--color-gray);
  line-height: 1.8;
  transition: color var(--transition);
}

.service-card:hover .service-desc {
  color: rgba(255,255,255,0.65);
}

/* ========================================
   強み・特徴（Why Us）
======================================== */
.features-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.features-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--color-gray-light);
}

.features-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.features-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
  transform: translate(12px, 12px);
  z-index: -1;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.feature-item {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  transition: all var(--transition);
}

.feature-item:hover {
  border-color: var(--color-primary);
  background: rgba(200,16,46,0.03);
  transform: translateX(6px);
}

.feature-icon-wrap {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(200,16,46,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: background var(--transition);
}

.feature-item:hover .feature-icon-wrap {
  background: var(--color-primary);
  color: var(--color-white);
}

.feature-body h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--color-dark);
}

.feature-body p {
  font-size: 0.88rem;
  color: var(--color-gray);
  line-height: 1.7;
}

/* ========================================
   チームメンバー
======================================== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
}

.member-card {
  text-align: center;
  padding: var(--space-md);
}

.member-avatar {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 0 auto var(--space-sm);
  background: var(--color-gray-light);
  border: 3px solid transparent;
  transition: border-color var(--transition), transform var(--transition);
}

.member-card:hover .member-avatar {
  border-color: var(--color-primary);
  transform: scale(1.05);
}

.member-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.25rem;
}

.member-position {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.member-bio {
  font-size: 0.85rem;
  color: var(--color-gray);
  line-height: 1.7;
}

/* ========================================
   お客様の声（テスティモニアル）
======================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.testimonial-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  position: relative;
  transition: all var(--transition);
}

.testimonial-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(200,16,46,0.4);
  transform: translateY(-4px);
}

.quote-mark {
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.5;
  margin-bottom: -1.5rem;
}

.testimonial-text {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.85;
  margin-bottom: var(--space-md);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-white);
  font-size: 1rem;
  flex-shrink: 0;
  overflow: hidden;
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-info .name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-white);
}

.author-info .company {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
}

/* ========================================
   会社概要
======================================== */
.company-table {
  width: 100%;
  border-collapse: collapse;
}

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

.company-table th {
  width: 180px;
  padding: 1.2rem var(--space-sm);
  text-align: left;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-gray);
  vertical-align: top;
  white-space: nowrap;
}

.company-table td {
  padding: 1.2rem var(--space-sm);
  font-size: 0.95rem;
  color: var(--color-dark);
  line-height: 1.7;
}

.company-table tr:last-child {
  border-bottom: none;
}

/* ========================================
   お問い合わせ
======================================== */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-lg);
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.contact-info p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-detail-item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.contact-detail-item svg {
  flex-shrink: 0;
  color: var(--color-primary-light);
  margin-top: 2px;
}

.contact-detail-item span {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
}

.contact-form-wrap {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.form-group label span {
  color: var(--color-primary-light);
  margin-left: 0.25rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition), background var(--transition);
  outline: none;
}

.form-control::placeholder {
  color: rgba(255,255,255,0.25);
}

.form-control:focus {
  border-color: var(--color-primary);
  background: rgba(255,255,255,0.08);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.btn--form {
  width: 100%;
  justify-content: center;
  padding: 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: all var(--transition);
  border: none;
}

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

/* ========================================
   フッター
======================================== */
.site-footer {
  background: var(--color-black);
  color: rgba(255,255,255,0.5);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand .site-logo {
  display: block;
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-white);
}

.footer-desc {
  font-size: 0.85rem;
  line-height: 1.8;
  margin-bottom: var(--space-sm);
}

.footer-social {
  display: flex;
  gap: var(--space-xs);
}

.social-link {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.4);
  transition: all var(--transition);
}

.social-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(200,16,46,0.1);
}

.footer-col h4 {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

/* ========================================
   レスポンシブ
======================================== */
@media (max-width: 1024px) {
  .features-layout {
    grid-template-columns: 1fr;
  }

  .features-image {
    aspect-ratio: 16/9;
    max-height: 400px;
  }

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

@media (max-width: 768px) {
  :root {
    --space-xl: 5rem;
    --space-lg: 3rem;
  }

  .site-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10,10,10,0.98);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    z-index: 999;
  }

  .site-nav.open {
    display: flex;
  }

  .nav-item a {
    font-size: 1.5rem;
    color: rgba(255,255,255,0.8);
  }

  .hamburger {
    display: flex;
    z-index: 1001;
    position: relative;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .stat-item:nth-child(2) {
    border-right: none;
  }

  .stat-item:nth-child(3),
  .stat-item:nth-child(4) {
    border-top: 1px solid rgba(255,255,255,0.15);
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .company-table th {
    width: 120px;
    font-size: 0.78rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-xs);
    text-align: center;
  }
}

/* ========================================
   スクロールバー
======================================== */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-black);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: var(--radius-full);
}