/* ================================================
   田中コンクリート工業株式会社 - メインスタイル
   ================================================ */

/* ================================================
   内部ページ共通：ページヒーロー（タイトルバー）
   ================================================ */
.page-hero {
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 56px 24px 52px;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(135deg, rgba(255,255,255,0.03) 25%, transparent 25%),
    linear-gradient(225deg, rgba(255,255,255,0.03) 25%, transparent 25%);
  background-size: 40px 40px;
}
.page-hero-label {
  position: relative;
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.page-hero h1 {
  position: relative;
  font-size: clamp(22px, 4vw, 34px);
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: 0.06em;
}

/* ================================================
   内部ページ共通：コンテンツエリア
   ================================================ */
.page-content {
  padding: 72px 24px 96px;
  background: var(--color-gray-bg);
}
.page-inner {
  max-width: 900px;
  margin: 0 auto;
}
.page-inner-wide {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ================================================
   b. 会社概要ページ
   ================================================ */
.company-table {
  width: 100%;
  background: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  border-collapse: collapse;
}
.company-table tr {
  border-bottom: 1px solid var(--color-gray-line);
}
.company-table tr:last-child { border-bottom: none; }
.company-table th,
.company-table td {
  padding: 20px 24px;
  text-align: left;
  vertical-align: top;
  font-size: 14.5px;
  line-height: 1.85;
}
.company-table th {
  width: 180px;
  background: var(--color-gray-bg);
  font-weight: 700;
  color: var(--color-primary);
  border-right: 3px solid var(--color-accent);
  white-space: nowrap;
}
.company-table td { color: var(--color-text); }
.company-table td a {
  color: var(--color-secondary);
  text-decoration: underline;
}
.company-table td small {
  display: block;
  font-size: 12.5px;
  color: var(--color-text-light);
  margin-top: 2px;
}

.access-heading {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-primary);
  margin: 56px 0 24px;
  padding-left: 16px;
  border-left: 4px solid var(--color-accent);
}

@media (max-width: 640px) {
  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
  }
  .company-table th {
    border-right: none;
    border-bottom: 2px solid var(--color-accent);
  }
}

/* ================================================
   c. 代表挨拶ページ
   ================================================ */
.greeting-card {
  background: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  padding: 48px 52px;
}
.greeting-lead {
  font-size: clamp(17px, 2.5vw, 21px);
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1.65;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--color-gray-line);
}
.greeting-lead::before {
  content: '';
  display: block;
  width: 40px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
  margin-bottom: 16px;
}
.greeting-body {
  font-size: 15px;
  line-height: 2.1;
  color: var(--color-text);
}
.greeting-body p { margin-bottom: 24px; }
.greeting-body p:last-child { margin-bottom: 0; }
.greeting-sign {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--color-gray-line);
  text-align: right;
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.9;
}
.greeting-sign strong {
  display: block;
  font-size: 18px;
  font-weight: 900;
  color: var(--color-primary);
  margin-top: 4px;
}
@media (max-width: 640px) {
  .greeting-card { padding: 28px 20px; }
}

/* ================================================
   d. 事業内容ページ
   ================================================ */
.business-overview {
  background: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  padding: 40px 44px;
  margin-bottom: 40px;
}
.business-overview h2 {
  font-size: clamp(17px, 2.5vw, 21px);
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: 16px;
}
.business-overview h2::before {
  content: '';
  display: block;
  width: 40px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
  margin-bottom: 12px;
}
.business-overview p {
  font-size: 14.5px;
  line-height: 2;
  color: var(--color-text);
}
.business-overview p + p { margin-top: 14px; }

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 8px;
}
.category-card {
  background: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 3px 14px rgba(0,0,0,0.07);
  overflow: hidden;
  border-top: 4px solid var(--color-secondary);
}
.category-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}
.category-card-img-dummy {
  width: 100%;
  height: 180px;
  background: var(--color-gray-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #aaa;
  font-size: 12px;
  font-style: italic;
}
.category-card-body {
  padding: 20px 24px 24px;
}
.category-card h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.category-card h3::before {
  content: '';
  width: 4px;
  height: 16px;
  background: var(--color-accent);
  border-radius: 2px;
  flex-shrink: 0;
}
.category-card p {
  font-size: 13.5px;
  color: var(--color-text-light);
  line-height: 1.85;
  margin-bottom: 14px;
}
.category-card .products {
  font-size: 13px;
  color: var(--color-text);
}
.category-card .products span {
  display: inline-block;
  background: var(--color-gray-bg);
  border: 1px solid var(--color-gray-line);
  border-radius: 3px;
  padding: 3px 10px;
  margin: 3px 3px 3px 0;
  font-size: 12px;
}
.category-card .products.placeholder {
  color: #aaa;
  font-style: italic;
  font-size: 12.5px;
}

@media (max-width: 640px) {
  .category-grid { grid-template-columns: 1fr; }
  .business-overview { padding: 24px 20px; }
}

/* ================================================
   e. 特殊製品事業ページ
   ================================================ */
.special-hero-band {
  background: var(--color-primary);
  padding: 0;
}
.special-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 64px 24px;
  display: flex;
  align-items: flex-start;
  gap: 56px;
}
.special-hero-text { flex: 1; }
.special-hero-text h2 {
  font-size: clamp(18px, 3vw, 26px);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.5;
  margin-bottom: 20px;
}
.special-hero-text h2 span {
  display: block;
  font-size: clamp(13px, 2vw, 16px);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.special-hero-text p {
  font-size: 14px;
  color: rgba(255,255,255,0.82);
  line-height: 2;
}
.special-hero-text p + p { margin-top: 14px; }

/* 特殊製品製造セクション */
.special-section-wrap {
  padding: 72px 24px;
  background: var(--color-white);
}
.special-section-wrap + .special-section-gray {
  background: var(--color-gray-bg);
}
.special-section-gray {
  padding: 72px 24px;
  background: var(--color-gray-bg);
}
.special-section-title {
  font-size: clamp(17px, 2.5vw, 22px);
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.special-section-title span {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.special-section-body {
  font-size: 14.5px;
  line-height: 2;
  color: var(--color-text);
  max-width: 720px;
  margin-bottom: 40px;
}

/* 事例グリッド */
.case-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.case-card {
  background: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.09);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.case-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.13);
}
.case-card .case-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}
.case-img-dummy {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #c8cfd8 0%, #9aa4b0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6a7585;
  font-size: 12px;
  letter-spacing: 0.06em;
}
.case-card-body {
  padding: 20px 22px 24px;
}
.case-card-body h4 {
  font-size: 15px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 10px;
  line-height: 1.5;
}
.case-meta {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.9;
}
.case-meta dt {
  float: left;
  width: 52px;
  font-weight: 700;
  color: var(--color-text);
  clear: left;
}
.case-meta dd {
  margin-left: 56px;
}
.case-meta dd.tbd {
  color: #bbb;
  font-style: italic;
}

/* 事例追加ボタン */
.btn-add-case {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border: 2px dashed var(--color-secondary);
  border-radius: var(--border-radius);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-add-case:hover {
  background: var(--color-secondary);
  color: var(--color-white);
}

@media (max-width: 768px) {
  .special-hero-inner { flex-direction: column; gap: 0; padding: 48px 20px; }
  .case-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .case-grid { grid-template-columns: 1fr; }
  .special-section-wrap, .special-section-gray { padding: 48px 16px; }
}

/* ================================================
   f. 求人情報ページ
   ================================================ */
.recruit-intro {
  background: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  padding: 32px 40px;
  margin-bottom: 40px;
  font-size: 14.5px;
  line-height: 2;
  color: var(--color-text);
}
.recruit-intro strong {
  color: var(--color-primary);
  font-size: 16px;
}

.job-cards {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.job-card {
  background: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  overflow: hidden;
}
.job-card-header {
  background: var(--color-primary);
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.job-card-header h2 {
  font-size: clamp(15px, 2.5vw, 20px);
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: 0.04em;
}
.job-badge {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  white-space: nowrap;
}
.job-card-body {
  padding: 0;
}
.job-table {
  width: 100%;
  border-collapse: collapse;
}
.job-table tr {
  border-bottom: 1px solid var(--color-gray-line);
}
.job-table tr:last-child { border-bottom: none; }
.job-table th,
.job-table td {
  padding: 18px 24px;
  text-align: left;
  vertical-align: top;
  font-size: 14px;
  line-height: 1.85;
}
.job-table th {
  width: 160px;
  background: var(--color-gray-bg);
  font-weight: 700;
  color: var(--color-primary);
  border-right: 3px solid var(--color-accent);
  white-space: nowrap;
}
.job-table td { color: var(--color-text); }
.job-table td strong {
  display: block;
  font-size: 16px;
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: 2px;
}
.job-salary { color: var(--color-accent) !important; font-weight: 700; }

.recruit-note {
  margin-top: 40px;
  padding: 20px 28px;
  background: var(--color-gray-bg);
  border-left: 4px solid var(--color-secondary);
  border-radius: 0 6px 6px 0;
  font-size: 13.5px;
  color: var(--color-text-light);
  line-height: 1.9;
}

@media (max-width: 768px) {
  .recruit-intro { padding: 24px 20px; }
  .job-card-header { padding: 16px 20px; }
  .job-table th,
  .job-table td {
    display: block;
    width: 100%;
    padding: 14px 20px;
  }
  .job-table th {
    border-right: none;
    border-bottom: 2px solid var(--color-accent);
  }
}

/* ================================================
   g. お問い合わせページ
   ================================================ */
.contact-intro {
  background: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  padding: 32px 40px;
  margin-bottom: 40px;
  font-size: 14.5px;
  line-height: 2;
  color: var(--color-text);
}
.contact-intro strong { color: var(--color-primary); font-size: 16px; }

.contact-form-card {
  background: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  padding: 44px 48px;
}
.form-group {
  margin-bottom: 28px;
}
.form-group:last-of-type { margin-bottom: 0; }
.form-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.form-required {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 3px;
  letter-spacing: 0.04em;
}
.form-optional {
  display: inline-block;
  background: var(--color-gray-line);
  color: var(--color-text-light);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 3px;
  letter-spacing: 0.04em;
}
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-gray-line);
  border-radius: var(--border-radius);
  font-family: var(--font-main);
  font-size: 14.5px;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  line-height: 1.6;
  -webkit-appearance: none;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(46,90,142,0.12);
}
.form-control::placeholder { color: #b0b8c4; }
.form-control.is-error { border-color: #e05252; }
textarea.form-control {
  resize: vertical;
  min-height: 160px;
}
.form-error-msg {
  display: none;
  font-size: 12px;
  color: #e05252;
  margin-top: 5px;
}
.form-group.has-error .form-error-msg { display: block; }
.form-group.has-error .form-control { border-color: #e05252; }

.form-divider {
  border: none;
  border-top: 1px solid var(--color-gray-line);
  margin: 36px 0;
}
.form-submit-wrap {
  text-align: center;
  margin-top: 36px;
}
.btn-submit {
  display: inline-block;
  padding: 14px 56px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 16px;
  font-weight: 700;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  letter-spacing: 0.06em;
  transition: background var(--transition), transform var(--transition);
  font-family: var(--font-main);
}
.btn-submit:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
}
.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* 送信完了メッセージ */
.contact-thanks {
  display: none;
  text-align: center;
  padding: 64px 40px;
  background: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.contact-thanks .thanks-icon {
  width: 64px;
  height: 64px;
  background: #e8f5e9;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.contact-thanks h2 {
  font-size: 22px;
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: 14px;
}
.contact-thanks p {
  font-size: 14.5px;
  color: var(--color-text-light);
  line-height: 2;
}

/* お問い合わせCTAバナー（他ページ用） */
.contact-cta-banner {
  background: var(--color-primary);
  padding: 56px 24px;
  text-align: center;
}
.contact-cta-banner h2 {
  font-size: clamp(18px, 3vw, 26px);
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: 12px;
}
.contact-cta-banner p {
  font-size: 14.5px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 28px;
  line-height: 1.9;
}

@media (max-width: 640px) {
  .contact-intro { padding: 24px 20px; }
  .contact-form-card { padding: 28px 20px; }
  .btn-submit { padding: 14px 40px; font-size: 15px; }
}

/* ---------- CSS変数 ---------- */
:root {
  --color-primary:   #1e5fa8;   /* ブライトブルー */
  --color-secondary: #2878c5;   /* スカイブルー */
  --color-accent:    #e09420;   /* ゴールデンアンバー */
  --color-accent-hover: #c47a10;
  --color-gray-bg:   #f5f8fc;   /* ペールブルーグレー */
  --color-gray-line: #dde4ef;   /* ライトブルーグレー */
  --color-text:      #333d4b;   /* ブルーブラック */
  --color-text-light:#6b788a;   /* ミディアムグレー */
  --color-white:     #ffffff;
  --font-main: 'Noto Sans JP', 'Hiragino Sans', 'Meiryo', sans-serif;
  --max-width: 1100px;
  --border-radius: 4px;
  --transition: 0.25s ease;
}

/* ---------- リセット・ベース ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-white);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- ユーティリティ ---------- */
.inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: var(--border-radius);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  transition: background var(--transition), transform var(--transition);
  cursor: pointer;
}
.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-accent:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}
.btn-outline-white {
  border: 2px solid var(--color-white);
  color: var(--color-white);
  padding: 10px 28px;
}
.btn-outline-white:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

/* ================================================
   ヘッダー
   ================================================ */
.site-header {
  background: var(--color-white);
  padding: 0;
  border-bottom: 1px solid var(--color-gray-line);
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* ロゴ */
.header-logo a {
  display: flex;
  align-items: center;
}
.header-logo img {
  height: 56px;
  width: auto;
}
.logo-fallback {
  color: var(--color-primary);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.4;
  display: none; /* 画像があるときは非表示 */
}
.logo-fallback span {
  display: block;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  opacity: 1;
}

/* お問い合わせ（右上） */
.header-contact {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}
.header-tel {
  text-align: right;
  color: var(--color-text);
  font-size: 13px;
  line-height: 1.65;
}
.header-tel p:first-child {
  font-size: 11px;
  color: var(--color-text-light);
  letter-spacing: 0.06em;
  margin-bottom: 2px;
}
.header-tel a {
  color: var(--color-primary);
  font-weight: 700;
}
.header-tel a:hover { text-decoration: underline; }
.btn-mail {
  background: var(--color-accent);
  color: var(--color-white);
  padding: 10px 20px;
  border-radius: var(--border-radius);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: 0.04em;
  transition: background var(--transition);
}
.btn-mail:hover { background: var(--color-accent-hover); }

/* ================================================
   ナビゲーション
   ================================================ */
.global-nav {
  background: var(--color-secondary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-inner ul {
  display: flex;
  align-items: center;
}
.nav-inner ul li a {
  display: block;
  color: var(--color-white);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 16px 22px;
  transition: background var(--transition), color var(--transition);
  position: relative;
}
.nav-inner ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.nav-inner ul li a:hover::after,
.nav-inner ul li.active a::after { width: 80%; }
.nav-inner ul li a:hover { background: rgba(255,255,255,0.08); }

/* ハンバーガー（モバイル） */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  cursor: pointer;
  gap: 6px;
  background: none;
  border: none;
  padding: 0;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ================================================
   ヒーローセクション
   ================================================ */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-primary);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.45);
  /* ダミー用グラデーション（画像がない場合） */
  background-color: #14406a;
}
/* 画像なしダミーパターン（sample.webp差し込み中） */
.hero-bg.no-image {
  background-image: url('../images/sample.webp');
  background-size: cover;
  background-position: center;
  background-color: #14406a;
  filter: brightness(0.45);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px;
  color: var(--color-white);
}
.hero-content h1 {
  font-size: clamp(22px, 4vw, 38px);
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1.5;
  margin-bottom: 20px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}
.hero-content h1 span {
  display: block;
  font-size: clamp(14px, 2.5vw, 20px);
  font-weight: 700;
  margin-bottom: 8px;
  opacity: 0.9;
}
.hero-content p {
  font-size: clamp(13px, 1.8vw, 16px);
  line-height: 2;
  max-width: 640px;
  opacity: 0.92;
  text-shadow: 0 1px 4px rgba(0,0,0,0.4);
}
.hero-label {
  position: absolute;
  bottom: 0;
  right: 0;
  background: rgba(0,0,0,0.35);
  color: rgba(255,255,255,0.5);
  font-size: 11px;
  padding: 6px 12px;
}

/* ================================================
   共通セクションスタイル
   ================================================ */
.section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-title {
  font-size: clamp(18px, 3vw, 26px);
  font-weight: 900;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  line-height: 1.5;
  margin-bottom: 20px;
}
.section-title::before {
  content: '';
  display: block;
  width: 40px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
  margin-bottom: 14px;
}
.section-text {
  color: var(--color-text);
  font-size: 14.5px;
  line-height: 2;
  margin-bottom: 28px;
}

/* ================================================
   事業内容概要セクション
   ================================================ */
.business-section {
  padding: 80px 0;
  background: var(--color-white);
}
.business-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 56px;
}
.business-inner .text-block { flex: 1; }
.business-inner .img-block {
  flex: 0 0 420px;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0,0,0,0.12);
}
.business-inner .img-block img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}
.img-dummy {
  width: 100%;
  height: 280px;
  background: linear-gradient(135deg, #c8cfd8 0%, #9aa4b0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6a7585;
  font-size: 13px;
  letter-spacing: 0.06em;
}

/* ================================================
   特殊製品事業概要セクション
   ================================================ */
.special-section {
  padding: 80px 0;
  background: var(--color-gray-bg);
}
.special-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 56px;
  flex-direction: row-reverse;
}
.special-inner .text-block { flex: 1; }
.special-inner .img-block {
  flex: 0 0 420px;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0,0,0,0.12);
}
.special-inner .img-block img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

/* ================================================
   所在地セクション
   ================================================ */
.location-section {
  padding: 80px 0;
  background: var(--color-white);
}
.location-section .section-header {
  text-align: center;
  margin-bottom: 48px;
}
.location-section .section-header h2 {
  font-size: clamp(18px, 3vw, 26px);
  font-weight: 900;
  color: var(--color-primary);
  letter-spacing: 0.06em;
  display: inline-block;
  padding-bottom: 16px;
  position: relative;
}
.location-section .section-header h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
}
.location-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.location-card {
  background: var(--color-gray-bg);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.07);
}
.location-card-header {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 16px 24px;
}
.location-card-header h3 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.location-card-body {
  padding: 20px 24px 0;
}
.location-info {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 6px 10px;
  font-size: 13.5px;
  margin-bottom: 20px;
}
.location-info dt {
  font-weight: 700;
  color: var(--color-text-light);
}
.location-info dd a {
  color: var(--color-secondary);
}
.location-info dd a:hover { text-decoration: underline; }
.location-map {
  width: 100%;
  height: 240px;
  border: none;
  display: block;
}
.location-map-dummy {
  width: 100%;
  height: 240px;
  background: #e0e4ea;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8a94a0;
  font-size: 13px;
}

/* ================================================
   フッター
   ================================================ */
.site-footer {
  background: var(--color-primary);
  padding: 48px 24px 24px;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-logo img { height: 48px; width: auto; }
.footer-logo .logo-fallback {
  display: block; /* ロゴ画像がない場合のフォールバック */
  color: var(--color-white);
  font-size: 15px;
  font-weight: 700;
}
.footer-info {
  color: rgba(255,255,255,0.75);
  font-size: 13px;
  line-height: 2;
}
.footer-info strong { color: var(--color-white); }
.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 24px;
}
.footer-nav ul li a {
  color: rgba(255,255,255,0.7);
  font-size: 13px;
  transition: color var(--transition);
}
.footer-nav ul li a:hover { color: var(--color-white); }
.footer-copy {
  text-align: center;
  color: rgba(255,255,255,0.4);
  font-size: 11px;
  padding-top: 20px;
  letter-spacing: 0.06em;
}

/* ================================================
   レスポンシブ
   ================================================ */
@media (max-width: 900px) {
  .business-inner,
  .special-inner {
    flex-direction: column;
    gap: 32px;
  }
  .business-inner .img-block,
  .special-inner .img-block {
    flex: unset;
    width: 100%;
  }
  .location-grid {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .header-inner { flex-wrap: wrap; gap: 12px; }
  .header-tel { display: none; } /* モバイルは電話番号をナビ内に移す */
  .btn-mail { padding: 8px 14px; font-size: 12px; }

  .hamburger { display: flex; }
  .nav-inner ul {
    display: none;
    flex-direction: column;
    width: 100%;
    background: var(--color-secondary);
    padding-bottom: 8px;
  }
  .nav-inner ul.open { display: flex; }
  .nav-inner ul li a { padding: 14px 24px; width: 100%; }

  .global-nav .nav-inner { flex-wrap: wrap; }

  .hero { min-height: 420px; }
  .hero-content { padding: 60px 20px; }

  .business-section,
  .special-section,
  .location-section { padding: 56px 0; }
}

@media (max-width: 480px) {
  .header-inner { padding: 12px 16px; }
  .nav-inner { padding: 0 16px; }
  .inner { padding: 0 16px; }
  .business-inner,
  .special-inner { padding: 0 16px; }
  .location-grid { padding: 0 16px; }
}