/* ==========================================================
   隆馬重設 公式サイト - style.css
   Editorial / Seal-mark / White & Charcoal
   ========================================================== */

/* おつとめフォント（SIL Open Font License 1.1 / (c) Nanigashitei）
   ヘッダーの会社名・ナビ専用に、使用文字だけをサブセットして埋め込み。ライセンス全文は fonts/OFL.txt */
@font-face {
  font-family: "Otsutome Font";
  src: url("../fonts/otsutome-subset.woff2") format("woff2"),
       url("../fonts/otsutome-subset.woff") format("woff");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --c-white: #ffffff;
  --c-paper: #f8fafc;
  /* 文字色を全体的に一段濃く（同系統のスレートグレーのまま深く） */
  --c-dark: #111827;
  --c-gray-900: #111827;
  --c-gray-700: #374151;
  --c-gray-500: #4b5563;
  --c-gray-300: #d1d5db;
  --c-gray-200: #e5e7eb;
  --c-gray-100: #f3f4f6;
  --c-line: #e5e7eb;
  --c-line-blue: rgba(31,41,55,0.12);

  /* メインカラー：青 */
  --c-accent: #2563eb;
  --c-accent-light: #60a5fa;
  --c-accent-dark: #1d4ed8;

  /* アクセント：エメラルドグリーン */
  --c-emerald: #10b981;
  --c-emerald-light: #34d399;
  --c-emerald-dark: #047857;

  /* CTA（お問い合わせ・応募ボタン）：オレンジ */
  --c-cta: #f97316;
  --c-cta-dark: #ea580c;

  /* 参考サイト風ティールグリーン（「私たちについて」の誘導ボタン専用） */
  --c-teal: #0f7c6d;
  --c-teal-dark: #0a5f53;

  --c-section-blue: #dbeafe;
  --c-section-blue-2: #bfdbfe;

  /* 本文 → 遊明朝体（游明朝＝Windows/Mac標準フォント） */
  --font-mincho: "Yu Mincho", YuMincho, "游明朝", "游明朝体", "MS PMincho", serif;
  /* 見出し → 源ノ角ゴシック（＝Source Han Sans。Google Fontsの Noto Sans JP が同一書体で読込済み） */
  --font-gothic: "源ノ角ゴシック", "Source Han Sans JP", "Source Han Sans", "Noto Sans JP", "Yu Gothic", YuGothic, sans-serif;
  /* ヘッダーの会社名・ナビ → 「おつとめフォント」（fonts/ に @font-face で埋め込み） */
  --font-brand: "Otsutome Font", "おつとめフォント", var(--font-gothic);
  /* ヘッダーのタブ（ナビ）専用：ヒラギノ明朝（Mac標準。Win等では游明朝にフォールバック） */
  --font-tab: "Hiragino Mincho ProN", "ヒラギノ明朝 ProN", "Hiragino Mincho Pro", "ヒラギノ明朝 Pro", "HiraMinProN-W3", "Yu Mincho", YuMincho, "游明朝", serif;
  --font-serif: var(--font-gothic);
  /* 本文もサイト全体で源ノ角ゴシックに統一（見やすさ優先。2026-07-23 に游明朝から変更） */
  --font-sans: var(--font-gothic);

  --header-h: 84px;
  --container-w: 1160px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  /* 全体の文字サイズ（2026-07-23：110%→120%→135% と拡大） */
  font-size: 135%;
}

body {
  font-family: var(--font-sans);
  color: var(--c-gray-900);
  background: var(--c-white);
  line-height: 1.95;
  /* 細めの300 → 標準の400 で読みやすく */
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

/* 各項目の 01/02/03 の小さな連番もユーザー指定で非表示
   （個別定義より詳細度を高くして確実に打ち消す） */
.job-text .job-num,
.job-point .job-point-num,
.recruit-card .recruit-index {
  display: none;
}

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

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

ul {
  list-style: none;
}

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

/* ---------- Section Heads (with ghost numeral) ---------- */

.section-head {
  position: relative;
  margin-bottom: 64px;
  padding-top: 8px;
}

/* ゴースト数字（01/02…）はユーザー指定で非表示にしている */
.section-head::before {
  content: none;
}

.section-eyebrow {
  position: relative;
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  color: var(--c-accent-dark);
  margin-bottom: 14px;
  z-index: 1;
}

.section-eyebrow--light {
  color: var(--c-accent-dark);
}

.section-title {
  position: relative;
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3.4vw, 2.35rem);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-dark);
  z-index: 1;
}

.section-title--light {
  color: var(--c-dark);
}

section {
  padding: 108px 0;
}

/* ==========================================================
   HEADER / NAV
   ========================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-line);
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), backdrop-filter 0.4s var(--ease);
}

.logo-text,
.logo-seal,
.site-nav a {
  transition: color 0.35s var(--ease), background-color 0.35s var(--ease), border-color 0.35s var(--ease);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--c-dark);
  color: var(--c-white);
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  border: 1px solid var(--c-dark);
  flex-shrink: 0;
}

.logo-seal--light {
  background: transparent;
  border: 1px solid rgba(20,20,20,0.4);
  color: var(--c-dark);
  margin-right: 10px;
}

/* 会社ロゴのエンブレム画像（旧・判子マーク .logo-seal から差し替え） */
.logo-mark {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--c-white);
  object-fit: contain;
  flex-shrink: 0;
}

.footer-logo .logo-mark {
  margin-right: 10px;
}

.logo-text {
  font-family: var(--font-brand);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-dark);
  white-space: nowrap;
}

.site-nav ul {
  display: flex;
  flex-wrap: nowrap;
  gap: 2px;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  font-family: var(--font-tab);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--c-gray-700);
  padding: 8px 10px;
  position: relative;
}

/* ホバー時、文字の下に下線バーが出る演出（旧「」ブラケットから変更） */
.site-nav a::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 3px;
  height: 2px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: center;
  opacity: 0;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

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

.site-nav a:hover::after {
  transform: scaleX(1);
  opacity: 1;
}

/* Hamburger (mobile) — checkbox hack, no JS required */
.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  width: 28px;
  height: 20px;
  position: relative;
  cursor: pointer;
  z-index: 1100;
}

.nav-toggle-label span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--c-dark);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease), top 0.3s var(--ease);
}

.nav-toggle-label span:nth-child(1) { top: 0; }
.nav-toggle-label span:nth-child(2) { top: 9px; }
.nav-toggle-label span:nth-child(3) { top: 18px; }

/* ---------- ヒーロー閲覧中：ヘッダーを透過（スクショ風） ---------- */
/* index.html でヒーローが見えている間だけ .site-header--hero が付く（JSで制御） */
.site-header--hero {
  /* 上端だけ薄く暗くして白文字を読みやすくしつつ、下へ向けて透明に＝写真が透ける */
  background: linear-gradient(to bottom, rgba(17, 24, 39, 0.28), rgba(17, 24, 39, 0));
  border-bottom-color: transparent;
  backdrop-filter: none;
}

.site-header--hero .logo-text {
  color: var(--c-white);
}

.site-header--hero .logo-seal {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.75);
  color: var(--c-white);
}

.site-header--hero .nav-toggle-label span {
  background: var(--c-white);
}

/* モバイルでメニューを開いた時（×印）は、明るいパネル上なので濃い色に戻す */
.site-header--hero .nav-toggle:checked ~ .nav-toggle-label span {
  background: var(--c-dark);
}

/* 横並びナビ（デスクトップ）だけ、ヒーロー上では白文字に。
   モバイルのスライドインパネルは明るい背景なので従来の濃い文字のまま */
@media (min-width: 1221px) {
  .site-header--hero .site-nav a {
    color: var(--c-white);
  }

  .site-header--hero .site-nav a:hover {
    color: var(--c-white);
  }

  /* ヒーロー上（透過ヘッダー）では下線バーも白に */
  .site-header--hero .site-nav a::after {
    background: var(--c-white);
  }
}

/* ---------- ナビ「私たちについて」ドロップダウン（ホバーで表示・CSSのみ） ---------- */
.has-submenu {
  position: relative;
}

.submenu {
  position: absolute;
  top: 100%;
  left: -12px;
  margin-top: 21px;              /* ヘッダー下端あたりまで下げる */
  min-width: 210px;
  list-style: none;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  box-shadow: 0 14px 34px rgba(17, 24, 39, 0.12);
  padding: 6px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0.22s;
  z-index: 1200;
}

/* アイテムとメニューの隙間を埋めて、マウス移動でメニューが閉じないようにする */
.submenu::before {
  content: "";
  position: absolute;
  top: -21px;
  left: 0;
  right: 0;
  height: 21px;
}

.has-submenu:hover > .submenu,
.has-submenu:focus-within > .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-nav .submenu a {
  display: block;
  padding: 13px 24px;
  font-family: var(--font-tab);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  color: var(--c-gray-700);
  white-space: nowrap;
}

/* ドロップダウン内は下線バーを出さない */
.site-nav .submenu a::after {
  display: none;
}

/* 項目間の区切り線（スクショ参照） */
.site-nav .submenu li:not(:last-child) a {
  border-bottom: 1px solid var(--c-line);
}

.site-nav .submenu a:hover {
  background: var(--c-section-blue);
  color: var(--c-accent-dark);
}

/* ==========================================================
   HERO
   ========================================================== */

.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0;
  isolation: isolate;
}

.hero-frame {
  position: absolute;
  inset: 14px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.35);
}

.hero-track {
  position: absolute;
  inset: 0;
  height: 100%;
}

/* 4枚を重ねて、順番にクロスフェード（前後に入れ替わる）で切り替える */
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  animation: heroCrossfade 16s infinite;
}

.hero-slide--1 { animation-delay: -1s; }
.hero-slide--2 { animation-delay: 3s; }
.hero-slide--3 { animation-delay: 7s; }
.hero-slide--4 { animation-delay: 11s; }

/* 現場写真: images/hero-1.jpg〜hero-4.jpg（フリー素材・商用利用可、後で自社写真に差し替え可） */
.hero-slide--1 {
  background-image:
    linear-gradient(180deg, rgba(20,20,20,0.22) 0%, rgba(20,20,20,0.5) 100%),
    url("../images/hero-1.jpg");
}

.hero-slide--2 {
  background-image:
    linear-gradient(180deg, rgba(20,20,20,0.22) 0%, rgba(20,20,20,0.5) 100%),
    url("../images/hero-2.jpg");
}

.hero-slide--3 {
  background-image:
    linear-gradient(180deg, rgba(20,20,20,0.22) 0%, rgba(20,20,20,0.5) 100%),
    url("../images/hero-3.jpg");
}

/* hero-4 は「私たちについて」の背景写真（about-bg.jpg＝クレーン吊り上げ・青空）に差し替え */
.hero-slide--4 {
  background-image:
    linear-gradient(180deg, rgba(20,20,20,0.22) 0%, rgba(20,20,20,0.5) 100%),
    url("../images/about-bg.jpg");
}

@keyframes heroCrossfade {
  0%     { opacity: 0; }
  6.25%  { opacity: 1; }   /* フェードイン（約1秒） */
  25%    { opacity: 1; }   /* 表示キープ（約4秒） */
  31.25% { opacity: 0; }   /* フェードアウト（約1秒） */
  100%   { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-slide {
    animation: none;
  }
  .hero-slide--1 {
    opacity: 1;
  }
}

.hero-grain {
  position: absolute;
  inset: 0;
  background-image: var(--grain);
  opacity: 0.16;
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(0,0,0,0) 0%, rgba(0,0,0,0.22) 100%);
  pointer-events: none;
  z-index: 1;
}

.hero-vertical {
  position: absolute;
  top: 96px;
  right: 40px;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.55);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--c-white);
  padding: 0 24px;
}

.hero-eyebrow {
  font-size: 0.95rem;
  letter-spacing: 0.4em;
  color: var(--c-gray-300);
  margin-bottom: 26px;
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  line-height: 1.55;
  letter-spacing: 0.05em;
  margin-bottom: 26px;
  /* スクショと同じ：白い文字に、白〜水色のやわらかい光彩（グロー）を重ねる */
  color: var(--c-white);
  -webkit-text-fill-color: var(--c-white);
  text-shadow:
    0 0 10px rgba(255, 255, 255, 0.55),
    0 0 24px rgba(191, 222, 255, 0.55),
    0 0 46px rgba(140, 190, 250, 0.40),
    0 2px 8px rgba(0, 0, 0, 0.22);
}

.hero-lead {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  letter-spacing: 0.14em;
  color: var(--c-gray-200);
  position: relative;
  display: inline-block;
  padding-top: 26px;
  color: var(--c-white);
  text-shadow:
    0 0 8px rgba(255, 255, 255, 0.50),
    0 0 20px rgba(191, 222, 255, 0.45),
    0 1px 6px rgba(0, 0, 0, 0.22);
}

.hero-lead::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 18px;
  background: var(--c-accent-light);
}

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 36px;
  transform: translateX(-50%);
  z-index: 2;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  color: var(--c-gray-300);
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.35);
  position: relative;
  overflow: hidden;
}

.hero-scroll-line::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--c-accent-light);
  animation: scrollLine 2.2s infinite var(--ease);
}

@keyframes scrollLine {
  0% { top: -100%; }
  60% { top: 100%; }
  100% { top: 100%; }
}

/* ==========================================================
   MESSAGE (代表挨拶)
   ========================================================== */

.message {
  background: var(--c-white);
  overflow: hidden;
}

.message-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 72px;
  align-items: start;
}

.photo-placeholder {
  width: 100%;
  aspect-ratio: 4 / 5;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  position: relative;
}

.photo-placeholder::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid var(--c-gray-300);
}

.photo-placeholder::after {
  content: "PHOTO";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  color: var(--c-gray-500);
}

.message-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.1vw, 1.6rem);
  font-weight: 600;
  color: var(--c-dark);
  line-height: 1.85;
  margin-bottom: 36px;
  position: relative;
  padding-left: 28px;
}

.message-quote::before {
  content: "“";
  position: absolute;
  left: -6px;
  top: -0.3em;
  font-family: var(--font-serif);
  font-size: 3.2rem;
  color: var(--c-accent-light);
  line-height: 1;
}

.message-text {
  color: var(--c-gray-700);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.message-sign {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--c-line);
  display: flex;
  align-items: baseline;
  gap: 18px;
}

.sign-role {
  font-size: 0.82rem;
  color: var(--c-gray-500);
  letter-spacing: 0.05em;
}

.sign-name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-dark);
}

/* ==========================================================
   ABOUT（私たちについて）
   ========================================================== */

.about {
  /* 参考スクショのように、裏に現場写真を薄く（透けるように）敷く */
  background:
    linear-gradient(rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.9)),
    url("../images/about-bg.jpg") center / cover no-repeat;
}

.about-lead {
  color: var(--c-gray-700);
  font-size: 0.95rem;
  max-width: 760px;
  margin-bottom: 56px;
}

/* 参考サイト風のティールのピルボタン（円形の矢印アイコン付き） */
.about-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 860px;
  margin: 0 auto;
}

.about-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--c-accent-light);
  color: var(--c-white);
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 24px 26px 24px 40px;
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.22);
  transition: background 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.about-btn:hover {
  background: var(--c-accent);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.30);
}

.about-btn-label {
  line-height: 1.4;
}

.about-btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  transition: transform 0.3s var(--ease);
}

.about-btn:hover .about-btn-icon {
  transform: translateX(5px);
}

.about-btn-icon svg {
  width: 16px;
  height: 16px;
}

/* 下層ページ（about.html / company.html）共通 */
/* 最初のセクションがfixedヘッダーに隠れないよう余白を確保 */
.page-top {
  padding-top: calc(108px + var(--header-h));
}

/* ページ内の中見出し（事業内容 / 私たちの強み など） */
.about-subhead {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--c-dark);
  margin-bottom: 24px;
  padding-left: 16px;
  border-left: 3px solid var(--c-accent);
}

.about-subhead + .job-detail-desc {
  margin-bottom: 60px;
}

/* ==========================================================
   JOB（仕事を知る）
   ========================================================== */

.job {
  background: var(--c-white);
}

.job-lead {
  color: var(--c-gray-700);
  font-size: 0.95rem;
  max-width: 760px;
  margin-bottom: 72px;
}

.job-list {
  display: flex;
  flex-direction: column;
  gap: 72px;
  margin-bottom: 88px;
}

.job-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.job-photo {
  order: 1;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--c-line);
}

.job-item--reverse .job-photo {
  order: 2;
}

.job-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(8%) contrast(1.05);
  transition: transform 0.5s var(--ease);
}

.job-item:hover .job-photo img {
  transform: scale(1.06);
}

.job-text {
  order: 2;
}

.job-item--reverse .job-text {
  order: 1;
}

.job-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--c-accent-dark);
  margin-bottom: 14px;
}

.job-text h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--c-dark);
  margin-bottom: 16px;
}

.job-text p {
  font-size: 0.92rem;
  color: var(--c-gray-700);
}

.job-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.job-point {
  padding: 34px 30px;
  border-radius: 10px;
  border-top: 4px solid var(--c-gray-300);
}

/* 3カード（技術力／安全管理／チームワーク）を色分け（見やすく） */
.job-point:nth-child(1) {
  background: #eff6ff;                     /* 淡い青 */
  border-top-color: var(--c-accent);
}
.job-point:nth-child(1) h4 { color: var(--c-accent-dark); }

.job-point:nth-child(2) {
  background: #ecfdf5;                     /* 淡い緑 */
  border-top-color: var(--c-emerald);
}
.job-point:nth-child(2) h4 { color: var(--c-emerald-dark); }

.job-point:nth-child(3) {
  background: #fff7ed;                     /* 淡いオレンジ */
  border-top-color: var(--c-cta);
}
.job-point:nth-child(3) h4 { color: var(--c-cta-dark); }

.job-point-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--c-accent-dark);
  margin-bottom: 16px;
}

.job-point h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-dark);
  margin-bottom: 12px;
}

.job-point p {
  font-size: 0.86rem;
  color: var(--c-gray-700);
}

/* ==========================================================
   WORKS (工事実績)
   ========================================================== */

.works {
  background: var(--c-paper);
}

.works-lead {
  color: var(--c-gray-700);
  font-size: 0.95rem;
  max-width: 620px;
  margin-bottom: 56px;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 32px;
}

.works-card {
  display: block;
}

.works-thumb {
  aspect-ratio: 4 / 3;
  background: var(--c-gray-200);
  border: 1px solid var(--c-line);
  position: relative;
  overflow: hidden;
  margin-bottom: 20px;
}

.works-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(8%) contrast(1.05);
  transition: transform 0.5s var(--ease);
}

.works-card:hover .works-thumb img {
  transform: scale(1.08);
}

.works-tag {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--c-accent-dark);
  margin-bottom: 10px;
}

.works-card h3 {
  font-family: var(--font-serif);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--c-dark);
  line-height: 1.6;
}

/* ==========================================================
   COMPANY INFO
   ========================================================== */

.company {
  background: var(--c-white);
  position: relative;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
  border-top: 1px solid var(--c-dark);
  position: relative;
}

.company-table tr {
  border-bottom: 1px solid var(--c-line);
  transition: background 0.25s var(--ease);
}

.company-table tr:hover {
  background: rgba(30,127,184,0.05);
}

.company-table th,
.company-table td {
  text-align: left;
  padding: 24px 18px;
  font-weight: 400;
  font-size: 0.92rem;
  vertical-align: top;
}

.company-table th {
  width: 210px;
  color: var(--c-gray-500);
  letter-spacing: 0.08em;
  font-weight: 500;
  font-family: var(--font-serif);
}

.company-table td {
  color: var(--c-gray-900);
}

/* ==========================================================
   ACCESS
   ========================================================== */

.access {
  background: var(--c-paper);
}

.access-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
}

.access-map {
  width: 100%;
  aspect-ratio: 4 / 3;
  filter: grayscale(55%) contrast(1.05);
  border: 1px solid var(--c-line);
  padding: 10px;
  background: var(--c-white);
}

.access-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.access-info h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--c-dark);
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

.access-address {
  color: var(--c-gray-700);
  font-size: 0.95rem;
  margin-bottom: 40px;
}

.access-details div {
  padding: 20px 0;
  border-top: 1px solid var(--c-line);
}

.access-details div:last-child {
  border-bottom: 1px solid var(--c-line);
}

.access-details dt {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--c-accent-dark);
  margin-bottom: 8px;
}

.access-details dd {
  font-size: 0.95rem;
  color: var(--c-gray-900);
}

/* ==========================================================
   RECRUIT
   ========================================================== */

.recruit {
  background: var(--c-section-blue);
  color: var(--c-dark);
  position: relative;
  overflow: hidden;
}

.recruit::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--grain);
  opacity: 0.05;
  mix-blend-mode: overlay;
  pointer-events: none;
}

.recruit .container {
  position: relative;
  z-index: 1;
}

.recruit-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 64px;
}

.recruit-photo {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border: 1px solid rgba(20,20,20,0.15);
}

.recruit-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 92% center;
  filter: grayscale(10%) contrast(1.05);
}

.recruit-lead {
  color: var(--c-gray-700);
  font-size: 0.95rem;
  margin-bottom: 32px;
}

.recruit-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 56px;
}

.recruit-card {
  display: block;
  position: relative;
  background: var(--c-white);
  padding: 36px 30px 32px;
  border-radius: 10px;
  border-top: 4px solid var(--c-gray-300);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.recruit-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.10);
}

/* 3カード（未経験歓迎／資格取得支援／日給）を色分け（「私たちの強み」と同じ配色） */
.recruit-card:nth-child(1) {
  background: #eff6ff;                     /* 淡い青 */
  border-top-color: var(--c-accent);
}
.recruit-card:nth-child(1) h3 { color: var(--c-accent-dark); }

.recruit-card:nth-child(2) {
  background: #ecfdf5;                     /* 淡い緑 */
  border-top-color: var(--c-emerald);
}
.recruit-card:nth-child(2) h3 { color: var(--c-emerald-dark); }

.recruit-card:nth-child(3) {
  background: #fff7ed;                     /* 淡いオレンジ */
  border-top-color: var(--c-cta);
}
.recruit-card:nth-child(3) h3 { color: var(--c-cta-dark); }

.recruit-index {
  display: block;
  font-family: var(--font-serif);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--c-accent-dark);
  margin-bottom: 20px;
}

.recruit-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.recruit-tag {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--c-gray-700);
  margin-bottom: 22px;
}

.recruit-card p:not(.recruit-tag) {
  font-size: 0.88rem;
  color: var(--c-gray-700);
}

.recruit-arrow {
  display: inline-block;
  margin-top: 26px;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--c-gray-700);
  transform: translateX(0);
  transition: transform 0.3s var(--ease), color 0.3s var(--ease);
}

.recruit-card:hover .recruit-arrow {
  transform: translateX(8px);
  color: var(--c-accent-dark);
}

.btn {
  display: inline-block;
  padding: 17px 46px;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  border: 1px solid var(--c-white);
  color: var(--c-white);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

/* ==========================================================
   CONTACT (お問い合わせ)
   ========================================================== */

.contact {
  background: var(--c-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 72px;
  align-items: start;
}

.contact-lead {
  color: var(--c-gray-700);
  font-size: 0.95rem;
  margin-bottom: 44px;
}

.contact-details div {
  padding: 20px 0;
  border-top: 1px solid var(--c-line);
}

.contact-details div:last-child {
  border-bottom: 1px solid var(--c-line);
}

.contact-details dt {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--c-accent-dark);
  margin-bottom: 8px;
}

.contact-details dd {
  font-size: 0.95rem;
  color: var(--c-gray-900);
}

.contact-details dd a:hover {
  color: var(--c-accent-dark);
}

.contact-form {
  border-top: 1px solid var(--c-dark);
  padding-top: 40px;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-row {
  margin-bottom: 30px;
}

.form-row--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.form-row label,
.form-row--split label {
  display: block;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--c-gray-700);
  margin-bottom: 10px;
}

.required {
  display: inline-block;
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  color: var(--c-white);
  background: var(--c-accent);
  padding: 2px 7px;
  margin-left: 8px;
  vertical-align: middle;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--c-line);
  background: transparent;
  padding: 12px 4px;
  font-family: var(--font-sans);
  font-size: 0.94rem;
  color: var(--c-gray-900);
  transition: border-color 0.25s var(--ease);
}

.contact-form select {
  appearance: none;
  -webkit-appearance: none;
  border-radius: 0;
  background-image: linear-gradient(45deg, transparent 50%, var(--c-gray-500) 50%),
    linear-gradient(135deg, var(--c-gray-500) 50%, transparent 50%);
  background-position: right 8px top 55%, right 2px top 55%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

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

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--c-accent);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--c-gray-700);
  margin-bottom: 36px;
  cursor: pointer;
}

.form-checkbox input {
  margin-top: 4px;
}

.form-checkbox a {
  color: var(--c-accent-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.btn-dark {
  border-color: var(--c-dark);
  color: var(--c-dark);
  background: transparent;
  cursor: pointer;
  font-family: var(--font-sans);
}

.btn-dark:hover {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-white);
}

.btn-accent {
  border-color: var(--c-cta);
  background: var(--c-cta);
  color: var(--c-white);
  cursor: pointer;
  font-family: var(--font-sans);
}

.btn-accent:hover {
  background: var(--c-cta-dark);
  border-color: var(--c-cta-dark);
}

/* ==========================================================
   THANKS（送信完了ページ）
   ========================================================== */

.thanks {
  background: var(--c-white);
  min-height: calc(100svh - var(--header-h));
  display: flex;
  align-items: center;
}

.thanks .container {
  width: 100%;
}

.thanks-text {
  color: var(--c-gray-700);
  font-size: 0.98rem;
  margin-bottom: 48px;
}

/* ==========================================================
   JOB DETAIL（採用情報 募集要項ページ）
   ========================================================== */

.job-detail {
  background: var(--c-white);
  padding-top: calc(108px + var(--header-h));
}

.job-detail-lead {
  color: var(--c-gray-700);
  font-size: 0.95rem;
  max-width: 720px;
  margin-bottom: 72px;
}

.job-detail-list {
  display: flex;
  flex-direction: column;
  gap: 64px;
  margin-bottom: 80px;
}

.job-detail-item {
  scroll-margin-top: var(--header-h);
}

.job-detail-item h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--c-dark);
  margin-bottom: 16px;
  line-height: 1.6;
}

.job-detail-item-icon {
  font-size: 1.8rem;
  line-height: 1;
  flex-shrink: 0;
}

.job-highlight {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  padding: 22px 26px;
  margin-bottom: 40px;
}

.job-highlight span {
  position: relative;
  padding-left: 22px;
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--c-emerald-dark);
}

.job-highlight span::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: -1px;
  color: var(--c-emerald);
  font-weight: 700;
}

.job-info-panel {
  background: transparent;
  padding: 0;
}

.job-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* スクショ風：カードは灰色の背景 */
.job-info-card {
  background: #e8eaed;
  border-radius: 10px;
  padding: 16px 16px 24px;
  box-shadow: none;
}

.job-info-card--wide {
  grid-column: 1 / -1;
}

.job-info-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  /* スクショ風：白い見出しパネル＋濃い文字（明るく見やすく） */
  color: var(--c-dark);
  background: var(--c-white);
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 18px;
  width: auto;
}

.job-info-icon {
  font-size: 1.15rem;
  line-height: 1;
}

.job-info-value {
  font-size: 1.08rem;
  color: var(--c-gray-900);
  line-height: 1.9;
  padding: 0 6px;
}

.job-detail-desc {
  margin-bottom: 44px;
}

.job-detail-desc h4 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-dark);
  margin-top: 28px;
  margin-bottom: 10px;
}

.job-detail-desc h4:first-child {
  margin-top: 0;
}

.job-detail-desc-icon {
  font-size: 1.15rem;
  line-height: 1;
}

.job-detail-desc p {
  color: var(--c-gray-700);
  font-size: 0.92rem;
}

.job-detail-cta {
  border-top: 1px solid var(--c-line);
  padding-top: 48px;
  text-align: center;
}

.job-detail-cta p {
  color: var(--c-gray-700);
  font-size: 0.92rem;
  margin-bottom: 28px;
}

.job-detail-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* 採用情報（募集要項）ページの本文だけ、大きめ＆読みやすいゴシック体（源ノ角ゴシック）に */
.job-detail--recruit .job-detail-lead,
.job-detail--recruit .job-detail-desc p,
.job-detail--recruit .job-info-value,
.job-detail--recruit .job-highlight span,
.job-detail--recruit .job-detail-cta p {
  font-family: var(--font-gothic);
}

.job-detail--recruit .job-detail-lead {
  font-size: 1.1rem;
  line-height: 2;
}

.job-detail--recruit .job-detail-desc p {
  font-size: 1.08rem;
  line-height: 2.05;
}

.job-detail--recruit .job-info-value {
  font-size: 1.2rem;
}

.job-detail--recruit .job-highlight span {
  font-size: 1rem;
}

.job-detail--recruit .job-detail-cta p {
  font-size: 1.05rem;
}

/* 募集要項ページ：上部バナー写真 */
.recruit-banner {
  width: 100%;
  aspect-ratio: 16 / 6;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--c-line);
  margin-bottom: 60px;
}

.recruit-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 募集要項ページ：現場ギャラリー（3枚） */
.recruit-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 24px;
  margin-bottom: 8px;
}

.recruit-gallery figure {
  margin: 0;
}

.recruit-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--c-line);
}

.recruit-gallery figcaption {
  margin-top: 10px;
  text-align: center;
  font-size: 0.92rem;
  color: var(--c-gray-700);
}

/* ==========================================================
   PRIVACY POLICY（プライバシーポリシー）
   ========================================================== */

.privacy-block {
  margin-bottom: 44px;
}

.privacy-block p {
  color: var(--c-gray-700);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.privacy-block ul {
  list-style: disc;
  padding-left: 1.5em;
  margin: 4px 0 12px;
  color: var(--c-gray-700);
  font-size: 0.95rem;
}

.privacy-block li {
  margin-bottom: 6px;
}

.privacy-contact {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  padding: 24px 28px;
  color: var(--c-gray-900);
  font-size: 0.95rem;
  line-height: 2;
}

.privacy-contact a:hover {
  color: var(--c-accent-dark);
}

.privacy-date {
  margin-top: 48px;
  text-align: right;
  color: var(--c-gray-500);
  font-size: 0.88rem;
}

/* ==========================================================
   FOOTER
   ========================================================== */

.site-footer {
  background: var(--c-section-blue);
  color: var(--c-gray-700);
  padding: 60px 0 34px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.05em;
  color: var(--c-dark);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}

.footer-nav a {
  font-size: 0.8rem;
  color: var(--c-gray-700);
  transition: color 0.25s var(--ease);
}

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

.footer-copy {
  font-size: 0.7rem;
  color: var(--c-gray-500);
  letter-spacing: 0.04em;
}

/* ==========================================================
   RESPONSIVE — TABLET
   ========================================================== */

@media (max-width: 900px) {
  .message-grid {
    grid-template-columns: 240px 1fr;
    gap: 40px;
  }

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

  .recruit-cards {
    grid-template-columns: 1fr 1fr;
  }

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

  .recruit-photo {
    max-width: 360px;
    aspect-ratio: 4 / 3;
    margin: 0 auto;
  }

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

  .job-item,
  .job-item--reverse {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .job-item .job-photo,
  .job-item--reverse .job-photo {
    order: 0;
  }

  .job-item .job-text,
  .job-item--reverse .job-text {
    order: 1;
  }

  .job-points {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-vertical {
    top: 108px;
    right: 24px;
  }
}

/* ==========================================================
   RESPONSIVE — NAV (tablet & mobile)
   ========================================================== */

@media (max-width: 1220px) {
  /* Hamburger nav */
  .nav-toggle-label {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 78%;
    max-width: 320px;
    height: 100vh;
    background: var(--c-section-blue);
    padding: 120px 40px;
    transform: translateX(100%);
    transition: transform 0.35s var(--ease);
    z-index: 1050;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 30px;
  }

  .site-nav a {
    color: var(--c-dark);
    font-size: 1rem;
    padding: 0;
  }

  /* パネル内のリンクはパディングが無いので、下線バーを文字幅に合わせる */
  .site-nav a::after {
    left: 0;
    right: 0;
    bottom: -6px;
  }

  /* モバイルパネルではドロップダウンを常時表示（インデント付きの入れ子項目に） */
  .submenu {
    position: static;
    margin-top: 16px;
    min-width: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: flex;
    flex-direction: column;
    gap: 18px;
  }

  .submenu::before {
    display: none;
  }

  .site-nav .submenu a {
    padding: 0 0 0 1.1em;
    font-size: 0.95rem;
    color: var(--c-dark);
  }

  .site-nav .submenu li:not(:last-child) a {
    border-bottom: none;
  }

  .nav-toggle:checked ~ .site-nav {
    transform: translateX(0);
  }

  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(1) {
    top: 9px;
    transform: rotate(45deg);
  }

  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(3) {
    top: 9px;
    transform: rotate(-45deg);
  }
}

/* ==========================================================
   RESPONSIVE — MOBILE
   ========================================================== */

@media (max-width: 720px) {
  section {
    padding: 80px 0;
  }

  .container {
    padding: 0 20px;
  }

  .section-head::before {
    font-size: 3.4rem;
    top: -0.5em;
  }

  .job-info-panel {
    padding: 0;
  }

  .job-info-grid {
    grid-template-columns: 1fr;
  }

  .recruit-banner {
    aspect-ratio: 16 / 10;
    margin-bottom: 40px;
  }

  .recruit-gallery {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .hero-vertical {
    display: none;
  }

  .hero-title {
    line-height: 1.6;
  }

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

  .photo-placeholder {
    max-width: 240px;
    margin: 0 auto;
  }

  .message-quote {
    margin-top: 32px;
  }

  .job-lead {
    margin-bottom: 48px;
  }

  .job-list {
    gap: 44px;
    margin-bottom: 56px;
  }

  .job-point {
    padding: 32px 24px;
  }

  .works-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .company-table th {
    width: 118px;
    padding: 18px 10px;
    font-size: 0.8rem;
  }

  .company-table td {
    padding: 18px 10px;
    font-size: 0.85rem;
  }

  .recruit-cards {
    grid-template-columns: 1fr;
  }

  .about-buttons {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    gap: 40px;
  }

  .form-row--split {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-nav {
    gap: 18px 24px;
  }
}