/* 株式会社ジリツ 会社サイト — デザイン案B（法人トーン） */
:root {
  --primary: #2f5d4a;
  --primary-soft: #e6eee9;
  --accent: #b06d3c;
  --bg: #ffffff;
  --bg-alt: #f4f7f5;
  --text: #1f2a24;
  --muted: #5f6d66;
  --border: #d9e4dc;
  --radius: 6px;
  --max: 1040px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.9;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); }
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ヘッダー */
.site-header { border-bottom: 1px solid var(--border); background: #fff; position: sticky; top: 0; z-index: 10; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); }
.brand img { width: 34px; height: 34px; }
.brand span { font-size: 18px; font-weight: 700; letter-spacing: 0.08em; }
.nav { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav a { text-decoration: none; color: var(--text); font-size: 14px; font-weight: 500; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { border-bottom-color: var(--primary); color: var(--primary); }
.nav-toggle { display: none; background: none; border: 0; font-size: 24px; cursor: pointer; color: var(--text); }

/* ヒーロー */
.hero { background: var(--primary); color: #fff; padding: 112px 0 104px; }
.hero .eyebrow { font-size: 13px; letter-spacing: 0.24em; opacity: 0.8; margin: 0 0 20px; }
.hero h1 { font-size: clamp(24px, 4.4vw, 44px); line-height: 1.5; margin: 0 0 24px; font-weight: 700; letter-spacing: 0.06em; }
.hero p { max-width: 640px; margin: 0; opacity: 0.92; }

/* ページ見出し（下層） */
.page-head { background: var(--bg-alt); border-bottom: 1px solid var(--border); padding: 64px 0 48px; }
.page-head .eyebrow { color: var(--accent); font-size: 13px; letter-spacing: 0.24em; margin: 0 0 8px; font-weight: 700; }
.page-head h1 { margin: 0; font-size: clamp(24px, 3.2vw, 32px); letter-spacing: 0.06em; }

/* セクション */
.section { padding: 88px 0; }
.section.alt { background: var(--bg-alt); }
.section-title { margin: 0 0 40px; }
.section-title .eyebrow { color: var(--accent); font-size: 13px; letter-spacing: 0.24em; margin: 0 0 6px; font-weight: 700; }
.section-title h2 { margin: 0; font-size: clamp(22px, 2.8vw, 28px); letter-spacing: 0.06em; }
.lead { max-width: 760px; }

/* カード */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 32px 28px; }
.card .num { color: var(--accent); font-weight: 700; font-size: 14px; letter-spacing: 0.12em; }
.card h3 { margin: 8px 0 12px; font-size: 18px; line-height: 1.6; }
.card p { margin: 0; font-size: 15px; color: var(--muted); }

/* 事業詳細 */
.biz { display: grid; grid-template-columns: 220px 1fr; gap: 40px; padding: 48px 0; border-top: 1px solid var(--border); }
.biz:last-child { border-bottom: 1px solid var(--border); }
.biz .num { color: var(--accent); font-weight: 700; letter-spacing: 0.12em; font-size: 14px; }
.biz h2 { margin: 6px 0 0; font-size: 20px; line-height: 1.6; }
.biz ul { margin: 12px 0 0; padding-left: 1.2em; }
.biz li { margin: 4px 0; }

/* 代表 */
.rep { display: grid; grid-template-columns: 280px 1fr; gap: 56px; align-items: start; }
.rep .photo img { border-radius: var(--radius); border: 1px solid var(--border); }
.rep .role { color: var(--muted); font-size: 14px; margin: 0; }
.rep .name { font-size: 26px; font-weight: 700; margin: 4px 0 0; letter-spacing: 0.1em; }
.rep .kana { color: var(--muted); font-size: 13px; margin: 0 0 24px; letter-spacing: 0.1em; }
.message p { margin: 0 0 1.4em; }
.message .sign { text-align: right; margin-top: 32px; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 120px 1fr; gap: 24px; padding: 16px 0; border-bottom: 1px solid var(--border); }
.timeline li span:first-child { color: var(--primary); font-weight: 700; }

.book { display: flex; gap: 28px; align-items: center; margin-top: 40px; padding: 28px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); }
.book img { width: 110px; flex-shrink: 0; box-shadow: 0 2px 8px rgba(0,0,0,0.12); }
.book .label { color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: 0.16em; margin: 0 0 4px; }
.book .title { font-weight: 700; margin: 0; }

/* 会社概要テーブル */
.info { width: 100%; border-collapse: collapse; }
.info th, .info td { text-align: left; vertical-align: top; padding: 20px 16px; border-bottom: 1px solid var(--border); }
.info tr:first-child th, .info tr:first-child td { border-top: 1px solid var(--border); }
.info th { width: 180px; color: var(--primary); font-weight: 700; white-space: nowrap; }
.info ol { margin: 0; padding-left: 1.6em; }

/* ボタン・CTA */
.btn { display: inline-block; background: var(--primary); color: #fff; text-decoration: none; padding: 14px 36px; border-radius: var(--radius); font-weight: 700; letter-spacing: 0.08em; }
.btn:hover { opacity: 0.9; }
.btn.ghost { background: transparent; border: 1px solid #fff; }
.cta { background: var(--primary); color: #fff; text-align: center; padding: 72px 0; }
.cta h2 { margin: 0 0 12px; font-size: 24px; letter-spacing: 0.06em; }
.cta p { margin: 0 0 28px; opacity: 0.9; }
.more { margin-top: 32px; }

/* 代表抜粋（トップ） */
.rep-teaser { display: grid; grid-template-columns: 200px 1fr; gap: 40px; align-items: center; }
.rep-teaser img { border-radius: var(--radius); }

/* フォーム */
.form-frame { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 8px; }
.form-frame iframe { width: 100%; height: 960px; border: 0; display: block; }
.placeholder { padding: 48px 24px; text-align: center; color: var(--muted); border: 2px dashed var(--border); border-radius: var(--radius); }

/* 公告 */
.notice { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }

/* フッター */
.site-footer { background: var(--text); color: #cfd8d3; padding: 48px 0 32px; font-size: 14px; }
.site-footer .row { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.site-footer a { color: #cfd8d3; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.site-footer .links { display: flex; gap: 24px; flex-wrap: wrap; list-style: none; margin: 0; padding: 0; }
.site-footer .copy { margin-top: 32px; font-size: 12px; opacity: 0.7; }

/* レスポンシブ */
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column; gap: 0; border-bottom: 1px solid var(--border); }
  .nav.open { display: flex; }
  .nav a { display: block; padding: 16px 24px; border-bottom: 1px solid var(--border); }
  .cards { grid-template-columns: 1fr; }
  .biz, .rep, .rep-teaser { grid-template-columns: 1fr; gap: 20px; }
  .rep .photo, .rep-teaser img { max-width: 240px; }
  .timeline li { grid-template-columns: 1fr; gap: 0; }
  .info th { width: auto; display: block; padding-bottom: 0; border-bottom: 0; }
  .info td { display: block; padding-top: 6px; }
  .info tr:first-child td { border-top: 0; }
  .hero { padding: 80px 0 72px; }
  .section { padding: 64px 0; }
}