/* =============================================
   有限会社サプライテック - スタイルシート
   デザイン案A: 王道の信頼・誠実
   ============================================= */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&family=Noto+Serif+JP:wght@400;600&display=swap');

/* --- CSS変数（カラーパレット） --- */
:root {
  --color-navy: #003366;
  --color-navy-dark: #001f3f;
  --color-navy-mid: #004080;
  --color-gold: #C9A84C;
  --color-gold-light: #e4c97a;
  --color-white: #FFFFFF;
  --color-off-white: #f8f9fc;
  --color-text: #2c3e50;
  --color-text-light: #5a6a7a;
  --color-border: #dde3ea;
  --font-sans: 'Noto Sans JP', sans-serif;
  --font-serif: 'Noto Serif JP', serif;
  --shadow-sm: 0 2px 8px rgba(0, 51, 102, 0.08);
  --shadow-md: 0 6px 24px rgba(0, 51, 102, 0.12);
  --shadow-lg: 0 16px 48px rgba(0, 51, 102, 0.16);
  --transition: 0.3s ease;
  --radius: 6px;
}

/* --- 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-sans);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* --- コンテナ --- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =============================================
   ヘッダー
   ============================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 18px 0;
  background: transparent;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: var(--color-navy-dark);
  padding: 12px 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

.site-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.site-logo .logo-main {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 0.05em;
}

.site-logo .logo-sub {
  font-size: 0.65rem;
  color: var(--color-gold);
  letter-spacing: 0.15em;
  margin-top: 3px;
  text-transform: uppercase;
}

/* ナビゲーション */
.site-nav ul {
  display: flex;
  gap: 36px;
  align-items: center;
}

.site-nav a {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.1em;
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition);
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition);
}

.site-nav a:hover {
  color: var(--color-gold);
}

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

.nav-cta {
  background: var(--color-gold);
  color: var(--color-navy-dark) !important;
  padding: 8px 20px !important;
  border-radius: var(--radius);
  font-weight: 700 !important;
  transition: background var(--transition), transform var(--transition) !important;
}

.nav-cta:hover {
  background: var(--color-gold-light) !important;
  transform: translateY(-1px);
  color: var(--color-navy-dark) !important;
}

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

/* ハンバーガーメニュー */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

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

/* =============================================
   ヒーローセクション
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  /* overflow: hidden; // コンテンツが増えた際に下部が切れ、背景が白くなってしまうのを防ぐため削除 */
  /* グラデーション背景（画像を使わない） */
  background: linear-gradient(145deg,
      #001a33 0%,
      #002d5c 30%,
      #003d7a 55%,
      #004a8f 70%,
      #002244 100%);
}

/* 背景画像なし（非表示化） */
.hero-bg {
  display: none;
}

/* オーバーレイなし（非表示化） */
.hero-overlay {
  display: none;
}

.hero-split-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  /* 上部ヘッダー分の余白＋余裕をさらに持たせるように調整 */
  padding: 200px 24px 100px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  /* height:100vhだと画面解像度によっては中身がはみ出して切れるためmin-heightへ変更 */
  justify-content: center;
}

/* 視覚的に隠すが見出しとして残す（SEO・アクセシビリティ用） */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero-split-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  flex-grow: 1;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  animation: fadeInUp 0.8s 0.2s ease both;
}

.hero-split-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: calc(var(--radius) * 2);
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  position: relative;
  overflow: hidden;
}

/* ホバー時の拡縮とシャドウアニメーション（CRO対策） */
.hero-split-card:hover {
  transform: translateY(-8px) scale(1.02);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border-color: rgba(255, 255, 255, 0.4);
}

/* 法人向け・個人向けの色分けアクセント */
.hero-split-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  transition: height 0.3s ease;
}

.hero-split-card.personal::before {
  background: var(--color-gold);
}

.hero-split-card.biz::before {
  background: #4A90E2;
}

.hero-split-card:hover::before {
  height: 8px;
}

/* カード背景の装飾用アイコン */
.split-bg-icon {
  position: absolute;
  bottom: -20px;
  right: -10px;
  font-size: 140px;
  line-height: 1;
  opacity: 0.08;
  z-index: 1;
  transform: rotate(-15deg);
  transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
  pointer-events: none;
}

.hero-split-card:hover .split-bg-icon {
  transform: rotate(0deg) scale(1.1);
  opacity: 0.15;
}

.split-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.split-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
  letter-spacing: 0.1em;
}

.hero-split-card.personal .split-badge {
  background: var(--color-gold);
  color: var(--color-navy-dark);
}

.hero-split-card.biz .split-badge {
  background: #4A90E2;
  color: var(--color-white);
}

.split-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 8px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.split-desc {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  margin-bottom: 16px;
}

.split-list {
  margin-bottom: 20px;
  flex-grow: 1;
}

.split-list li {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 8px;
  padding-left: 1.5em;
  position: relative;
  line-height: 1.5;
}

.split-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-gold);
  font-weight: bold;
}

.hero-split-card.biz .split-list li::before {
  color: #4A90E2;
}

.split-action {
  margin-top: auto;
}

.btn-split {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 12px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-split-card.personal:hover .btn-split {
  background: var(--color-gold);
  color: var(--color-navy-dark);
  border-color: var(--color-gold);
}

.hero-split-card.biz:hover .btn-split {
  background: #4A90E2;
  color: var(--color-white);
  border-color: #4A90E2;
}

/* ヒーロー スクロールインジケーター */
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.4));
  animation: scrollPulse 1.8s ease infinite;
}

@keyframes scrollPulse {

  0%,
  100% {
    opacity: 0.3;
    transform: scaleY(0.8);
  }

  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}



/* =============================================
   導線分岐セクション (Gateway)
   ============================================= */
.gateway-section {
  padding: 80px 0 0;
  /* Aboutセクションのすぐ上に配置するため下余白なし */
  background: var(--color-white);
}

.gateway-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 960px;
  margin: 0 auto;
}

.gateway-card {
  display: flex;
  flex-direction: column;
  background: var(--color-off-white);
  border-radius: calc(var(--radius) * 1.5);
  padding: 40px 32px;
  position: relative;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  text-decoration: none;
  overflow: hidden;
}

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

/* アクセントカラーと上部ボーダー */
.gateway-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
}

.gateway-card.biz::before {
  background: var(--color-navy);
}

.gateway-card.biz:hover {
  border-color: var(--color-navy);
}

.gateway-card.personal::before {
  background: var(--color-gold);
}

.gateway-card.personal:hover {
  border-color: var(--color-gold);
}

.gateway-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}

.gateway-card.biz .gateway-badge {
  background: rgba(0, 51, 102, 0.1);
  color: var(--color-navy);
}

.gateway-card.personal .gateway-badge {
  background: rgba(201, 168, 76, 0.15);
  color: var(--color-gold);
}

.gateway-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-navy-dark);
  margin-bottom: 12px;
}

.gateway-desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 24px;
}

.gateway-list {
  margin-bottom: 32px;
  flex-grow: 1;
}

.gateway-list li {
  font-size: 0.85rem;
  color: var(--color-text);
  margin-bottom: 10px;
  padding-left: 1.2em;
  position: relative;
  line-height: 1.5;
}

.gateway-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-gold);
  font-weight: bold;
}

.gateway-arrow {
  align-self: flex-end;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}

.gateway-card:hover .gateway-arrow {
  gap: 8px;
  /* 矢印が右に動く */
}

/* =============================================
   セクション共通
   ============================================= */
.section {
  padding: 96px 0;
}

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

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

.section-label {
  display: inline-block;
  color: var(--color-gold);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--color-navy-dark);
  font-weight: 600;
  line-height: 1.4;
}

.section-line {
  width: 48px;
  height: 3px;
  background: linear-gradient(to right, var(--color-gold), var(--color-gold-light));
  margin: 16px auto 0;
  border-radius: 2px;
}

/* =============================================
   Aboutセクション
   ============================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-lead {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-navy);
  line-height: 1.7;
  margin-bottom: 20px;
  font-weight: 600;
}

.about-text {
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: 32px;
}

.about-stats {
  display: flex;
  gap: 32px;
}

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

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1;
}

.stat-number span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-light);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 6px;
  letter-spacing: 0.05em;
}

/* ストレングスカード */
.strength-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.strength-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.strength-card:hover {
  border-left-color: var(--color-gold);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.strength-icon {
  font-size: 2rem;
  line-height: 1;
  flex-shrink: 0;
}

.strength-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 6px;
}

.strength-card p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* =============================================
   保有資格セクション
   ============================================= */
.qualification-lead {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-top: 16px;
}

/* 資格カードグリッド: PCは2列 */
.qualification-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.qual-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.qual-card:hover {
  border-left-color: var(--color-gold);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.qual-badge {
  font-size: 2rem;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-mid) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qual-info {
  flex: 1;
  min-width: 0;
}

.qual-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-navy-dark);
  margin-bottom: 4px;
  line-height: 1.4;
}

.qual-desc {
  font-size: 0.8rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* 人数バッジ（右端） */
.qual-count {
  flex-shrink: 0;
  text-align: center;
  font-size: 0.7rem;
  color: var(--color-text-light);
  font-weight: 500;
  line-height: 1.2;
  min-width: 36px;
}

.qual-count span {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-gold);
  line-height: 1;
}

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

.service-card {
  background: var(--color-white);
  border-radius: calc(var(--radius) * 1.5);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.service-card-top {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-mid) 100%);
  padding: 36px 28px;
  text-align: center;
}

.service-icon {
  font-size: 2.8rem;
  margin-bottom: 12px;
}

.service-card-top h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-white);
  font-weight: 600;
}

.service-card-body {
  padding: 28px;
}

.service-card-body p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-tag {
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(0, 51, 102, 0.07);
  color: var(--color-navy);
  font-weight: 500;
}

/* =============================================
   会社概要セクション
   ============================================= */
.company-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  border-radius: calc(var(--radius) * 1.5);
  overflow: hidden;
}

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

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

.company-table tr:hover {
  background: rgba(0, 51, 102, 0.03);
}

.company-table th {
  background: var(--color-navy);
  color: var(--color-gold);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-align: left;
  padding: 18px 28px;
  width: 200px;
  white-space: nowrap;
}

.company-table td {
  padding: 18px 28px;
  font-size: 0.92rem;
  color: var(--color-text);
  line-height: 1.7;
}

/* =============================================
   お問い合わせセクション
   ============================================= */
.contact-wrapper {
  max-width: 720px;
  margin: 0 auto;
}

.contact-intro {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: 48px;
  line-height: 1.9;
}

.contact-form {
  background: var(--color-white);
  border-radius: calc(var(--radius) * 2);
  padding: 48px;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.form-group label .required {
  color: #c0392b;
  margin-left: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-off-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-navy);
  box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
  background: var(--color-white);
}

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

/* スパム対策ハニーポット */
.form-honeypot {
  display: none;
}

.form-submit {
  text-align: center;
  margin-top: 32px;
}

.btn-submit {
  width: 100%;
  max-width: 320px;
  justify-content: center;
  font-size: 1rem;
  padding: 16px 40px;
}

/* フォーム送信後メッセージ */
.form-message {
  display: none;
  padding: 16px 20px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-top: 16px;
  text-align: center;
}

.form-message.success {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
  display: block;
}

.form-message.error {
  background: #ffebee;
  color: #c62828;
  border: 1px solid #ef9a9a;
  display: block;
}

/* =============================================
   フッター
   ============================================= */
.site-footer {
  background: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.55);
  padding: 52px 0 28px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
}

.footer-brand .logo-main {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 8px;
}

.footer-brand .logo-sub {
  font-size: 0.65rem;
  color: var(--color-gold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.8rem;
  line-height: 1.8;
}

.footer-nav h4 {
  color: var(--color-gold);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

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

.footer-nav a {
  font-size: 0.83rem;
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition);
}

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

.footer-copy {
  text-align: center;
  font-size: 0.76rem;
  padding-top: 24px;
  color: rgba(255, 255, 255, 0.35);
}

/* =============================================
   フッター SNSボタン
   ============================================= */
.footer-sns h4 {
  color: var(--color-gold);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.sns-btn-x {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #000;
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: background var(--transition), transform var(--transition);
}

.sns-btn-x:hover {
  background: #333;
  transform: translateY(-2px);
}

/* =============================================
   フローティング X ボタン（右下固定）
   ============================================= */
.floating-x {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 900;
  width: 52px;
  height: 52px;
  background: #000;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.floating-x:hover {
  background: #222;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* =============================================
   アニメーション
   ============================================= */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

/* =============================================
   レスポンシブ
   ============================================= */
@media (max-width: 900px) {
  .hero-split-container {
    padding: 150px 20px 40px;
    height: auto;
    min-height: 100vh;
  }

  .hero-split-grid {
    grid-template-columns: 1fr;
    max-height: none;
    gap: 20px;
  }

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

  .gateway-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

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

  .company-table th {
    width: 130px;
    padding: 16px 16px;
  }

  .company-table td {
    padding: 16px 16px;
  }

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

@media (max-width: 768px) {

  /* ヘッダー */
  .hamburger {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-navy-dark);
    padding: 80px 32px 32px;
    transition: right var(--transition);
    z-index: 999;
  }

  /* ヒーローコンテナの余白調整 (タブレット・スマホ) */
  .hero {
    min-height: auto;
    padding: 0;
  }

  .hero-split-container {
    padding: 100px 20px 40px;
    height: auto;
    min-height: auto;
    justify-content: flex-start;
  }

  .site-nav.open {
    right: 0;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 24px;
    align-items: flex-start;
  }

  .site-nav a {
    font-size: 1rem;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  /* about */
  .about-stats {
    gap: 20px;
  }

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

  .section {
    padding: 64px 0;
  }
}

@media (max-width: 480px) {

  /* スマホでの改行崩れ・文字孤立（1～5文字だけの改行）を防ぐためのフォント調整 */
  body {
    font-size: 15px;
  }

  p,
  li,
  .about-text,
  .service-desc {
    font-size: 0.9rem;
    text-wrap: pretty;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    text-wrap: balance;
  }

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

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

  .company-table,
  .company-table tbody,
  .company-table tr,
  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
  }

  .company-table th {
    border-radius: 0;
    padding: 12px 16px;
  }

  .company-table td {
    padding: 12px 16px;
  }

  /* ヒーロー：スマホでも横並び（2列）を維持し、コンパクトなボタン型にする */
  .hero {
    min-height: auto !important;
    padding: 0;
    /* 余計な空白をカット */
  }

  .hero-split-container {
    padding: 90px 16px 40px;
    height: auto !important;
    min-height: auto !important;
    justify-content: flex-start;
  }

  .hero-split-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    align-content: start;
  }

  .hero-split-card {
    padding: 18px 12px;
    justify-content: space-between;
    height: auto;
    min-height: 120px;
  }

  /* スマホ表示ではアイコンは隠すかより小さくする */
  .split-bg-icon {
    font-size: 60px;
    bottom: -5px;
    right: -5px;
  }

  .split-badge {
    font-size: 0.7rem;
    padding: 4px 6px;
    margin-bottom: 8px;
    text-align: center;
    width: 100%;
  }

  .split-title {
    font-size: 1.05rem;
    margin-bottom: 0;
    text-align: center;
  }

  /* スマホ表示でも上下配置により横幅に余裕ができたので詳細を表示する */
  .split-desc,
  .split-list {
    display: block;
  }

  .split-action {
    margin-top: 12px;
    padding-top: 0;
  }

  .btn-split {
    font-size: 0.8rem;
    padding: 8px 4px;
    width: 100%;
    text-align: center;
  }
}

/* =============================================
   ユーティリティクラス（レスポンシブ・改行制御）
   ============================================= */
/* .ib: インラインブロック化して単語途中での折り返しを防ぐ */
/* 不要となったため無効化 */
/* .ib {
  display: inline-block;
} */

/* PC限定表示（スマホでは非表示） */
@media (max-width: 768px) {
  .pc-only {
    display: none !important;
  }
}

/* スマホ限定表示（PCでは非表示） */
@media (min-width: 769px) {
  .sp-only {
    display: none !important;
  }
}