/* ===========================================
   オフィスかとう - 共通スタイルシート
   =========================================== */

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

:root {
  --color-primary: #1a3a5c;
  --color-primary-dark: #122a45;
  --color-primary-light: #2d5179;
  --color-accent: #c9a84c;
  --color-accent-dark: #a88a39;
  --color-accent-light: #e0c576;
  --color-bg: #f8f6f2;
  --color-bg-alt: #ffffff;
  --color-text: #2c2c2c;
  --color-text-light: #555;
  --color-border: #e5e0d6;
  --color-shadow: rgba(26, 58, 92, 0.1);
  --color-shadow-strong: rgba(26, 58, 92, 0.18);

  --font-serif: 'Noto Serif JP', 'Yu Mincho', 'YuMincho', serif;
  --font-sans: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;

  --max-width: 1200px;
  --header-height: 96px;
  --transition: 0.3s ease;
}

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.8;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

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

a:hover {
  color: var(--color-accent);
}

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

ul {
  list-style: none;
}

/* ===========================================
   コンテナ
   =========================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===========================================
   ヘッダー
   =========================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(248, 246, 242, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 20px var(--color-shadow);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.site-logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  line-height: 1;
}

.site-logo .logo-image {
  height: 56px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}

.site-logo .logo-text {
  display: inline-block;
  position: relative;
  top: 1px;
  white-space: nowrap;
}

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

.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 8px 0;
  transition: color var(--transition);
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-primary);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

/* ハンバーガーメニュー */
.hamburger {
  display: none;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 1100;
}

.hamburger span {
  position: absolute;
  left: 4px;
  right: 4px;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition);
}

.hamburger span:nth-child(1) { top: 8px; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger span:nth-child(3) { bottom: 8px; }

.hamburger.active span:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

/* ===========================================
   ヒーローセクション
   =========================================== */
.hero {
  min-height: 92vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-height) + 40px) 24px 80px;
  color: #fff;
  overflow: hidden;
  background-color: var(--color-primary);
}

.hero-bg {
  position: absolute;
  inset: 0;
  display: flex;
  z-index: 0;
}

.hero-bg-half {
  flex: 1;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  position: relative;
}

.hero-bg-half.kiyosu {
  /* 清須エリア：清洲城（愛知県清須市） */
  /* Wikimedia Commons の File:Kiyosu_Castle.JPG をホットリンク（Special:FilePath は安定したリダイレクトURL） */
  background-image: url('https://commons.wikimedia.org/wiki/Special:FilePath/Kiyosu_Castle.JPG?width=1600');
  background-position: center 30%;
}

.hero-bg-half.yokohama {
  /* 横浜エリア：みなとみらいの夜景・港湾都市 */
  background-image: url('https://images.unsplash.com/photo-1542931287-023b922fa89b?auto=format&fit=crop&w=1280&q=80');
}

/* 中央のソフトな繋ぎ */
.hero-bg::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(to bottom, transparent 0%, rgba(201,168,76,0.6) 30%, rgba(201,168,76,0.6) 70%, transparent 100%);
  z-index: 2;
  transform: translateX(-50%);
}

/* オーバーレイ（暗転＋紺グラデ） */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(26, 58, 92, 0.88) 0%, rgba(26, 58, 92, 0.65) 50%, rgba(26, 58, 92, 0.88) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 3;
}

/* 都市ラベル（清須・横浜） */
.hero-locations {
  position: absolute;
  bottom: 40px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 8%;
  z-index: 3;
  pointer-events: none;
}

.hero-location {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-location .label-en {
  font-size: 0.7rem;
  color: var(--color-accent-light);
  letter-spacing: 0.4em;
}

.hero-location .label-line {
  display: inline-block;
  width: 30px;
  height: 1px;
  background-color: var(--color-accent);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--color-bg));
  z-index: 4;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  color: var(--color-accent-light);
  margin-bottom: 24px;
  font-weight: 500;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: #fff;
  margin-bottom: 32px;
  line-height: 1.5;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.hero-title .accent {
  color: var(--color-accent-light);
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 2;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 300;
  max-width: 720px;
  margin: 0 auto;
}

.hero-decoration {
  position: absolute;
  width: 80px;
  height: 1px;
  background-color: var(--color-accent);
  left: 50%;
  transform: translateX(-50%);
  bottom: 100px;
}

/* ページヒーロー（サブページ用） */
.page-hero {
  padding: calc(var(--header-height) + 60px) 24px 60px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: 50%;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(201, 168, 76, 0.15);
  border-radius: 50%;
}

.page-hero-eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  color: var(--color-accent-light);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.page-hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: 0.08em;
}

/* ===========================================
   パンくずリスト
   =========================================== */
.breadcrumb {
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
  font-size: 0.85rem;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  list-style: none;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-light);
}

.breadcrumb li:not(:last-child)::after {
  content: '›';
  color: var(--color-accent);
  margin-left: 8px;
}

.breadcrumb a {
  color: var(--color-text-light);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb li:last-child {
  color: var(--color-primary);
  font-weight: 500;
}

/* ===========================================
   セクション共通
   =========================================== */
.section {
  padding: 100px 0;
}

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

.section-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  color: var(--color-accent);
  margin-bottom: 16px;
  text-transform: uppercase;
  font-weight: 500;
}

.section-title {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background-color: var(--color-accent);
  margin: 20px auto 0;
}

.section-lead {
  max-width: 720px;
  margin: 0 auto;
  color: var(--color-text-light);
  font-size: 1rem;
}

/* ===========================================
   サービスカード（トップページ）
   =========================================== */
.services-preview {
  background-color: var(--color-bg);
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 40px;
}

.service-card {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 48px 32px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px var(--color-shadow);
}

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

.service-card .service-number {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  margin-bottom: 16px;
  display: block;
}

.service-card .service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  color: var(--color-primary);
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.service-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.9;
}

/* ===========================================
   News & Column カード
   =========================================== */
.news-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 40px;
}

.news-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  overflow: hidden;
}

.news-card a {
  display: block;
  padding: 32px 28px;
  color: var(--color-text);
  text-decoration: none;
  height: 100%;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px var(--color-shadow);
  border-color: var(--color-accent);
}

.news-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.news-card-meta time {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

.news-category {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  padding: 4px 10px;
  border-radius: 2px;
  color: #fff;
  display: inline-block;
}

.news-category.news {
  background-color: var(--color-primary);
}

.news-category.column {
  background-color: var(--color-accent);
}

.news-card-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--color-primary);
  line-height: 1.6;
  transition: color var(--transition);
}

.news-card:hover .news-card-title {
  color: var(--color-accent-dark);
}

.news-card-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin: 0;
}

/* ===========================================
   News 一覧ページ用：縦並びリスト型
   =========================================== */
.news-list-vertical {
  max-width: 880px;
  margin: 0 auto;
}

.news-list-item {
  display: grid;
  grid-template-columns: 140px 110px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
  align-items: center;
  transition: background-color var(--transition);
}

.news-list-item:first-child {
  border-top: 1px solid var(--color-border);
}

.news-list-item a {
  display: contents;
  color: var(--color-text);
  text-decoration: none;
}

.news-list-item:hover {
  background-color: var(--color-bg-alt);
}

.news-list-item:hover .news-list-title {
  color: var(--color-accent-dark);
}

.news-list-date {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  padding-left: 16px;
}

.news-list-category {
  text-align: center;
}

.news-list-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-primary);
  line-height: 1.6;
  padding-right: 16px;
  transition: color var(--transition);
}

/* カテゴリフィルタ */
.news-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.news-filter button {
  background-color: transparent;
  border: 1px solid var(--color-border);
  padding: 10px 24px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  cursor: pointer;
  transition: all var(--transition);
  border-radius: 2px;
}

.news-filter button:hover {
  border-color: var(--color-accent);
  color: var(--color-primary);
}

.news-filter button.active {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ===========================================
   個別記事ページ
   =========================================== */
.article-wrapper {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 0;
}

.article-header {
  text-align: center;
  margin-bottom: 50px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-border);
}

.article-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.article-meta time {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

.article-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.5;
  color: var(--color-primary);
  margin: 0;
  letter-spacing: 0.03em;
}

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

.article-body h2 {
  font-size: 1.4rem;
  margin: 50px 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
  color: var(--color-primary);
}

.article-body h3 {
  font-size: 1.2rem;
  margin: 36px 0 16px;
  color: var(--color-primary);
  padding-left: 14px;
  border-left: 4px solid var(--color-accent);
}

.article-body p {
  margin-bottom: 1.5em;
}

.article-body ul,
.article-body ol {
  margin: 1em 0 1.5em 1.5em;
  padding-left: 1em;
}

.article-body ul {
  list-style: disc;
}

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

.article-body li {
  margin-bottom: 0.5em;
}

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

.article-body blockquote {
  margin: 24px 0;
  padding: 20px 28px;
  background-color: var(--color-bg-alt);
  border-left: 4px solid var(--color-accent);
  font-style: normal;
  color: var(--color-text-light);
}

.article-body a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body a:hover {
  color: var(--color-primary);
}

.article-footer {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .news-list-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 20px 0;
  }
  .news-list-date,
  .news-list-title {
    padding: 0;
  }
  .news-list-category {
    text-align: left;
  }
}

/* ===========================================
   ボタン
   =========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 36px;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  border-radius: 2px;
  transition: all var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  text-align: center;
  font-family: var(--font-sans);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px var(--color-shadow);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #fff;
}

.btn-arrow::after {
  content: '→';
  transition: transform var(--transition);
}

.btn-arrow:hover::after {
  transform: translateX(4px);
}

/* ===========================================
   会社概要テーブル
   =========================================== */
.company-info {
  max-width: 880px;
  margin: 0 auto;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}

.info-table th,
.info-table td {
  padding: 24px 32px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  line-height: 1.8;
}

.info-table th {
  background-color: var(--color-bg);
  font-family: var(--font-serif);
  color: var(--color-primary);
  font-weight: 600;
  width: 200px;
  white-space: nowrap;
  border-left: 3px solid var(--color-accent);
}

.info-table tr:last-child th,
.info-table tr:last-child td {
  border-bottom: none;
}

/* ===========================================
   資格カードグリッド
   =========================================== */
.qualifications-section {
  background-color: var(--color-bg-alt);
  margin-top: 80px;
  padding: 80px 0;
}

.qualifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.qualification-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 28px 24px;
  position: relative;
  transition: all var(--transition);
  overflow: hidden;
}

.qualification-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
}

.qualification-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px var(--color-shadow);
}

.qualification-badge {
  display: inline-block;
  font-size: 0.7rem;
  background-color: var(--color-primary);
  color: #fff;
  padding: 3px 10px;
  border-radius: 2px;
  margin-bottom: 12px;
  letter-spacing: 0.1em;
  font-weight: 500;
}

.qualification-badge.national {
  background-color: var(--color-accent);
}

.qualification-card h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.qualification-card p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin: 0;
}

.qualification-note {
  text-align: center;
  margin-top: 32px;
  font-size: 0.9rem;
  color: var(--color-text-light);
  font-style: italic;
}

/* ===========================================
   詳細サービスセクション
   =========================================== */
.service-detail {
  padding: 80px 0;
}

.service-detail:nth-child(even) {
  background-color: var(--color-bg-alt);
}

.service-detail-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
}

.service-detail-inner.reverse {
  grid-template-columns: 1.5fr 1fr;
}

.service-detail-inner.reverse .service-visual {
  order: 2;
}

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

.service-visual-icon {
  width: 100%;
  max-width: 300px;
  height: 300px;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.service-visual-icon::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -30%;
  width: 200px;
  height: 200px;
  border: 1px solid rgba(201, 168, 76, 0.3);
  border-radius: 50%;
}

.service-visual-icon::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -20%;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: 50%;
}

.service-visual-icon svg {
  width: 80px;
  height: 80px;
  color: var(--color-accent-light);
  position: relative;
  z-index: 2;
}

.service-content .service-num {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  color: var(--color-accent);
  margin-bottom: 12px;
  display: block;
  font-weight: 500;
  text-transform: uppercase;
}

.service-content h3 {
  font-size: 1.6rem;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 16px;
}

.service-content h3::after {
  content: '';
  display: block;
  width: 50px;
  height: 2px;
  background-color: var(--color-accent);
  position: absolute;
  bottom: 0;
  left: 0;
}

.service-content p {
  color: var(--color-text-light);
  line-height: 2;
  font-size: 0.98rem;
}

/* ===========================================
   代表挨拶（ブロック引用）
   =========================================== */
.message-section {
  padding: 80px 0;
}

.message-block {
  max-width: 880px;
  margin: 0 auto;
  background-color: var(--color-bg-alt);
  padding: 60px;
  border-left: 4px solid var(--color-accent);
  position: relative;
  box-shadow: 0 4px 30px var(--color-shadow);
}

.message-block::before {
  content: '“';
  position: absolute;
  top: -20px;
  left: 30px;
  font-family: var(--font-serif);
  font-size: 8rem;
  color: var(--color-accent);
  line-height: 1;
  opacity: 0.3;
}

.message-block p {
  font-family: var(--font-serif);
  line-height: 2.2;
  margin-bottom: 1.5em;
  color: var(--color-text);
  font-size: 1rem;
  letter-spacing: 0.03em;
  text-indent: 1em;
}

.message-block p:last-of-type {
  margin-bottom: 0;
}

.message-signature {
  text-align: right;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--color-border);
}

.message-signature .signature-label {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.message-signature .signature-name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.1em;
}

/* ===========================================
   お問い合わせフォーム
   =========================================== */
.contact-section {
  padding: 80px 0;
}

.contact-wrapper {
  max-width: 720px;
  margin: 0 auto;
}

.contact-intro {
  text-align: center;
  margin-bottom: 50px;
  color: var(--color-text-light);
  line-height: 2;
}

.contact-form {
  background-color: var(--color-bg-alt);
  padding: 50px;
  border: 1px solid var(--color-border);
}

/* Googleフォーム埋め込み */
.contact-form-embed {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 4px 20px var(--color-shadow);
  position: relative;
}

.contact-form-embed iframe {
  display: block;
  width: 100%;
  border: 0;
  background-color: transparent;
  min-height: 800px;
}

@media (max-width: 768px) {
  .contact-form-embed iframe {
    min-height: 1100px;
  }
}

.form-group {
  margin-bottom: 28px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.form-group label .required {
  display: inline-block;
  font-size: 0.7rem;
  background-color: var(--color-accent);
  color: #fff;
  padding: 2px 6px;
  margin-left: 8px;
  border-radius: 2px;
  letter-spacing: 0.05em;
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  font-size: 1rem;
  font-family: var(--font-sans);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text);
  transition: all var(--transition);
  border-radius: 2px;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: #fff;
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15);
}

textarea.form-control {
  min-height: 180px;
  resize: vertical;
  line-height: 1.8;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%231a3a5c' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  padding-right: 40px;
}

.form-submit {
  text-align: center;
  margin-top: 36px;
}

.form-submit .btn {
  min-width: 240px;
}

.form-success {
  display: none;
  background-color: var(--color-bg-alt);
  border-left: 4px solid var(--color-accent);
  padding: 40px;
  text-align: center;
}

.form-success.show {
  display: block;
}

.form-success h3 {
  margin-bottom: 16px;
  color: var(--color-primary);
}

.form-success p {
  color: var(--color-text-light);
  line-height: 1.9;
}

.success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  color: var(--color-accent);
}

/* ===========================================
   フッター
   =========================================== */
.site-footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
  padding: 60px 0 30px;
  margin-top: 80px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .footer-logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.7);
}

.footer-nav h4 {
  color: var(--color-accent-light);
  font-size: 0.95rem;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.footer-nav ul {
  list-style: none;
}

.footer-nav li {
  margin-bottom: 10px;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.1em;
}

/* ===========================================
   ページトップへ戻るボタン
   =========================================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px var(--color-shadow-strong);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-accent);
  transform: translateY(-4px);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

/* ===========================================
   フェードインアニメーション
   =========================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.fade-in-delay-1 { transition-delay: 0.15s; }
.fade-in-delay-2 { transition-delay: 0.3s; }
.fade-in-delay-3 { transition-delay: 0.45s; }
.fade-in-delay-4 { transition-delay: 0.6s; }

/* ===========================================
   プライバシーポリシー
   =========================================== */
.policy-content {
  max-width: 880px;
  margin: 0 auto;
  padding: 60px 0;
}

.policy-content h2 {
  font-size: 1.3rem;
  margin: 40px 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}

.policy-content h2:first-child {
  margin-top: 0;
}

.policy-content p,
.policy-content li {
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: 12px;
}

.policy-content ul {
  list-style: disc;
  padding-left: 24px;
}

/* ===========================================
   レスポンシブ対応
   =========================================== */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .service-detail-inner,
  .service-detail-inner.reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .service-detail-inner.reverse .service-visual {
    order: 0;
  }
  .service-visual-icon {
    height: 200px;
  }
  .message-block {
    padding: 40px 28px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 78px;
  }

  .section {
    padding: 70px 0;
  }

  .hamburger {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--color-bg-alt);
    box-shadow: -4px 0 20px var(--color-shadow-strong);
    transition: right 0.4s ease;
    padding: calc(var(--header-height) + 30px) 30px 30px;
    z-index: 1050;
    overflow-y: auto;
  }

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

  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .main-nav li {
    border-bottom: 1px solid var(--color-border);
  }

  .main-nav a {
    display: block;
    padding: 18px 0;
    font-size: 1rem;
  }

  .main-nav a::after {
    display: none;
  }

  .nav-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1040;
  }

  .nav-overlay.show {
    opacity: 1;
    visibility: visible;
  }

  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
    padding: 16px 20px;
  }

  .info-table th {
    border-bottom: none;
    padding-bottom: 8px;
  }

  .info-table td {
    padding-top: 0;
  }

  .contact-form {
    padding: 30px 24px;
  }

  .message-block {
    padding: 32px 22px;
  }

  .message-block::before {
    font-size: 6rem;
    top: -10px;
    left: 15px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }

  .hero-locations {
    bottom: 24px;
    padding: 0 24px;
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }

  .hero-location {
    font-size: 0.75rem;
  }

  .site-logo {
    font-size: 1.05rem;
    gap: 8px;
  }

  .site-logo .logo-image {
    height: 48px;
    width: auto;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 80vh;
  }
  .section {
    padding: 60px 0;
  }
  .service-card {
    padding: 36px 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}