@charset "UTF-8";
/* =============================================================
   NAGAYAMA Corporate Template
   -------------------------------------------------------------
   ■ カラー・フォントは :root の変数を変更するだけで全体に反映されます
   ■ WordPress化の際は本ファイルを style.css としてテーマ直下に配置
   ============================================================= */

:root {
  /* --- Brand colors（購入者はここを変更するだけで配色を差し替え可能） --- */
  --green:        #17593a;   /* メインのグリーン（見出し・ボタン） */
  --green-deep:   #123f2b;   /* 濃色パネル・ホバー */
  --green-footer: #0e3423;   /* フッター背景 */
  --green-pale:   #e9f0eb;   /* 淡いグリーン背景 */
  --ink:          #22302a;   /* 本文テキスト */
  --muted:        #6b7a72;   /* 補足テキスト */
  --bg:           #ffffff;
  --bg-soft:      #f3f6f4;   /* 交互セクション背景 */
  --line:         #dfe6e1;

  /* --- Typography --- */
  --font-jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-en: "Jost", "Noto Sans JP", sans-serif;
  --font-script: "Caveat", cursive;

  /* --- Layout --- */
  --container: 1160px;
  --radius-btn: 40px 40px 40px 0;  /* リーフ型ボタン */
  --shadow: 0 14px 40px rgba(18, 63, 43, .12);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-jp);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.9;
  font-size: 15.5px;
  letter-spacing: .04em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.container { width: min(var(--container), 92%); margin-inline: auto; }

/* ---------- Reveal animation（スクロールで表示） ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .24s; }
.reveal-delay-3 { transition-delay: .36s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Section heading ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-en); font-size: 14px; font-weight: 500;
  letter-spacing: .16em; color: var(--green);
}
.eyebrow::before { content: ""; width: 34px; height: 1.5px; background: var(--green); }
.eyebrow.-white { color: #fff; }
.eyebrow.-white::before { background: #fff; }

.sec-title {
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 700; letter-spacing: .08em; line-height: 1.5;
  margin-top: 10px; color: var(--ink);
}
.sec-title.-white { color: #fff; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: space-between; gap: 22px;
  min-width: 218px; padding: 15px 26px;
  font-size: 14.5px; font-weight: 700; letter-spacing: .1em;
  border-radius: var(--radius-btn);
  transition: background-color .35s, color .35s, border-color .35s, transform .35s, box-shadow .35s;
}
.btn::after {
  content: ""; width: 7px; height: 7px; flex: none;
  border-top: 2px solid currentColor; border-right: 2px solid currentColor;
  transform: rotate(45deg); transition: transform .35s;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:hover::after { transform: rotate(45deg) translate(2px, -2px); }
.btn.-fill   { background: var(--green); color: #fff; }
.btn.-fill:hover { background: var(--green-deep); }
.btn.-dark   { background: var(--green-deep); color: #fff; }
.btn.-dark:hover { background: var(--green); }
.btn.-line   { border: 1.5px solid var(--green); color: var(--green); background: transparent; }
.btn.-line:hover { background: var(--green); color: #fff; }
.btn.-white-line { border: 1.5px solid #fff; color: #fff; background: transparent; }
.btn.-white-line:hover { background: #fff; color: var(--green); }

/* =============================================================
   Header
   ============================================================= */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(6px);
  transition: box-shadow .3s;
}
.site-header.is-scrolled { box-shadow: 0 4px 24px rgba(18, 63, 43, .1); }
.header-inner {
  display: flex; align-items: center; gap: 28px;
  width: min(1380px, 96%); margin-inline: auto;
  padding: 10px 0;
}
.header-tagline {
  position: absolute; top: 2px; left: 12px;
  font-size: 10px; color: var(--muted); letter-spacing: .06em;
}
.site-logo { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.site-logo svg { width: 40px; height: 40px; }
.site-logo .logo-text {
  font-family: var(--font-en); font-weight: 600; font-size: 24px;
  letter-spacing: .18em; color: var(--ink);
}
.gnav { margin-left: auto; }
.gnav ul { display: flex; gap: clamp(16px, 2.4vw, 34px); }
.gnav a {
  position: relative; font-size: 14.5px; font-weight: 500; padding: 8px 0;
}
.gnav a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 2px; background: var(--green);
  transform: scaleX(0); transform-origin: right; transition: transform .35s;
}
.gnav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header-recruit {
  position: relative;
  display: inline-flex; align-items: center;
  background: var(--green); color: #fff;
  padding: 22px 26px; margin-top: 0;
  font-weight: 700; font-size: 14.5px; letter-spacing: .12em;
  border-radius: 0 0 0 28px;
  transition: background .35s;
}
.header-recruit:hover { background: var(--green-deep); }
.header-recruit .script {
  position: absolute; right: 10px; bottom: 2px;
  font-family: var(--font-script); font-size: 17px; color: #cfe4d6;
  transform: rotate(-6deg);
}

/* Mobile menu */
.menu-toggle { display: none; }

/* =============================================================
   Hero
   ============================================================= */
.hero {
  position: relative; margin-top: 74px;
  min-height: min(86vh, 820px);
  display: flex; align-items: center;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); animation: heroZoom 12s ease-out forwards; }
@keyframes heroZoom { to { transform: scale(1); } }
.hero::before { /* 左からのグラデーションで文字を読みやすく */
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, rgba(14, 42, 28, .62) 0%, rgba(14, 42, 28, .28) 45%, rgba(14, 42, 28, 0) 75%);
}
.hero-grid { /* 右側のグリッド飾り */
  content: ""; position: absolute; top: 0; right: 0; bottom: 0; width: 46%; z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.14) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(90deg, transparent, #000 40%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; width: min(1380px, 92%); margin-inline: auto; color: #fff; }
.hero-title {
  font-family: var(--font-en); font-weight: 500;
  font-size: clamp(38px, 6vw, 74px);
  line-height: 1.18; letter-spacing: .02em;
  text-shadow: 0 2px 30px rgba(0, 0, 0, .25);
}
.hero-sub {
  margin-top: 22px; font-size: clamp(15px, 1.8vw, 19px);
  font-weight: 500; letter-spacing: .22em;
}
.hero-btns { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 44px; }
/* Hero 登場アニメーション */
.hero-title, .hero-sub, .hero-btns { opacity: 0; transform: translateY(26px); animation: heroIn .9s ease forwards; }
.hero-sub { animation-delay: .25s; }
.hero-btns { animation-delay: .5s; }
@keyframes heroIn { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .hero-title, .hero-sub, .hero-btns { animation: none; opacity: 1; transform: none; }
  .hero-bg img { animation: none; transform: none; }
}

/* =============================================================
   About
   ============================================================= */
.about { padding: clamp(70px, 9vw, 120px) 0; overflow: hidden; }
.about-grid {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: clamp(30px, 5vw, 70px); align-items: center;
}
.about-img { border-radius: 0 60px 0 0; overflow: hidden; box-shadow: var(--shadow); }
.about-img img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 10 / 7.6; }
.about-body p { margin-top: 22px; color: var(--ink); }
.about-body .btn { margin-top: 34px; }

/* =============================================================
   Service
   ============================================================= */
.service { padding: clamp(70px, 9vw, 120px) 0 0; background: var(--bg-soft); }
.service-head p { margin-top: 20px; max-width: 780px; }

/* --- 土木工事（メイン事業） --- */
.civil-feature { position: relative; margin-top: clamp(40px, 6vw, 70px); }
.civil-feature .feature-img { height: clamp(340px, 44vw, 560px); overflow: hidden; }
.civil-feature .feature-img img { width: 100%; height: 100%; object-fit: cover; }
.civil-card {
  position: relative; z-index: 1;
  width: min(560px, 92%);
  margin: -120px 0 0 clamp(4%, 6vw, 8%);
  background: #fff; padding: clamp(28px, 4vw, 46px);
  border-radius: 0 40px 0 0; box-shadow: var(--shadow);
}
.civil-card h3 { font-size: clamp(22px, 2.6vw, 28px); letter-spacing: .1em; margin-top: 8px; }
.civil-card p { margin-top: 14px; font-size: 14.5px; }
.civil-card .btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.civil-card .btn { min-width: 0; flex: 1 1 200px; }

/* --- 公共工事 --- */
.public-works { display: grid; grid-template-columns: 1fr 1fr; margin-top: clamp(60px, 8vw, 100px); }
.public-works .pw-img img { width: 100%; height: 100%; object-fit: cover; }
.public-works .pw-body {
  background: var(--green-deep); color: #fff;
  padding: clamp(40px, 6vw, 80px) clamp(26px, 5vw, 70px);
  display: flex; flex-direction: column; justify-content: center;
}
.public-works h3 { font-size: clamp(22px, 2.6vw, 28px); letter-spacing: .1em; margin-top: 8px; }
.public-works p { margin-top: 16px; font-size: 14.5px; color: #e6efe9; }
.public-works .btn { margin-top: 28px; align-self: flex-start; }

/* --- 舗装・解体・水道 3カード --- */
.sub-services {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 3vw, 34px);
  padding: clamp(50px, 7vw, 90px) 0;
}
.sub-card { background: #fff; box-shadow: 0 8px 30px rgba(18,63,43,.08); border-radius: 0 28px 0 0; overflow: hidden; display: flex; flex-direction: column; }
.sub-card .sc-head { padding: 18px 22px 12px; }
.sub-card .sc-head h4 { font-size: 19px; letter-spacing: .1em; margin-top: 2px; }
.sub-card .sc-img { overflow: hidden; }
.sub-card .sc-img img { aspect-ratio: 8 / 5.4; object-fit: cover; width: 100%; transition: transform .6s ease; }
.sub-card:hover .sc-img img { transform: scale(1.05); }
.sub-card .sc-body { padding: 18px 22px 26px; display: flex; flex-direction: column; flex: 1; }
.sub-card .sc-body p { font-size: 14px; }
.sub-card .btn { margin-top: auto; align-self: flex-start; min-width: 0; padding: 11px 20px; margin-top: 18px; font-size: 13.5px; }

/* --- 民間開発工事 --- */
.private-dev {
  display: grid; grid-template-columns: .95fr 1.05fr;
  gap: clamp(30px, 5vw, 70px); align-items: center;
  padding-bottom: clamp(70px, 9vw, 120px);
}
.private-dev h3 { font-size: clamp(22px, 2.6vw, 28px); letter-spacing: .1em; margin-top: 8px; }
.private-dev p { margin-top: 16px; }
.private-dev .btn { margin-top: 28px; }
.private-dev .pd-img { border-radius: 60px 0 0 0; overflow: hidden; box-shadow: var(--shadow); }
.private-dev .pd-img img { aspect-ratio: 10 / 7; object-fit: cover; width: 100%; }

/* =============================================================
   Works（施工実績）
   ============================================================= */
.works { padding: clamp(70px, 9vw, 120px) 0; }
.works-head { display: grid; grid-template-columns: auto 1fr; gap: clamp(24px, 5vw, 70px); align-items: end; }
.works-head p { font-size: 14.5px; }
.works-list {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 3vw, 32px); margin-top: clamp(34px, 5vw, 56px);
}
.work-card { display: block; }
.work-card .wc-img { overflow: hidden; border-radius: 0 24px 0 0; }
.work-card .wc-img img { aspect-ratio: 8 / 5.4; object-fit: cover; width: 100%; transition: transform .6s ease; }
.work-card:hover .wc-img img { transform: scale(1.05); }
.work-card .wc-meta { display: flex; align-items: center; gap: 12px; margin-top: 14px; }
.work-card time { font-family: var(--font-en); font-size: 13px; color: var(--muted); letter-spacing: .08em; }
.badge {
  display: inline-block; padding: 3px 14px; font-size: 12px; font-weight: 700;
  background: var(--green); color: #fff; border-radius: 3px;
}
.badge.-line { background: transparent; border: 1px solid var(--green); color: var(--green); }
.work-card .wc-title { margin-top: 8px; font-size: 14.5px; font-weight: 500; line-height: 1.7; }
.works .center-btn, .news .center-btn { text-align: center; margin-top: clamp(34px, 5vw, 54px); }

/* =============================================================
   Quick Links（FAQ / 代表挨拶）
   ============================================================= */
.quick-links { padding: clamp(70px, 9vw, 110px) 0; background: var(--bg-soft); }
.ql-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 4vw, 44px); margin-top: clamp(30px, 5vw, 50px); }
.ql-card { background: #fff; border-radius: 0 28px 0 0; overflow: hidden; box-shadow: 0 8px 30px rgba(18,63,43,.08); display: flex; flex-direction: column; }
.ql-card .ql-img { overflow: hidden; }
.ql-card .ql-img img { aspect-ratio: 8 / 4.6; object-fit: cover; width: 100%; transition: transform .6s ease; }
.ql-card:hover .ql-img img { transform: scale(1.05); }
.ql-card .ql-body { padding: clamp(22px, 3vw, 34px); display: flex; flex-direction: column; flex: 1; }
.ql-card .ql-title { display: flex; align-items: baseline; gap: 14px; }
.ql-card .ql-title .en { font-family: var(--font-en); font-size: 26px; font-weight: 500; color: var(--green); letter-spacing: .06em; }
.ql-card .ql-title .jp { font-size: 17px; font-weight: 700; letter-spacing: .1em; }
.ql-card p { margin-top: 12px; font-size: 14px; }
.ql-card .btn { margin-top: auto; align-self: flex-start; margin-top: 20px; min-width: 0; padding: 12px 22px; font-size: 13.5px; }

/* =============================================================
   Recruit
   ============================================================= */
.recruit { position: relative; padding: clamp(90px, 12vw, 160px) 0; color: #fff; isolation: isolate; overflow: hidden; }
.recruit-bg { position: absolute; inset: 0; z-index: -2; }
.recruit-bg img { width: 100%; height: 100%; object-fit: cover; }
.recruit::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(12, 33, 22, .68); }
.recruit-inner { max-width: 760px; }
.recruit p { margin-top: 22px; color: #e6efe9; font-size: 14.5px; }
.recruit-cta { position: relative; display: inline-block; margin-top: 40px; }
.recruit-cta .script {
  position: absolute; right: -46px; bottom: -18px;
  font-family: var(--font-script); font-size: 30px; color: #a7d3b8;
  transform: rotate(-8deg); pointer-events: none;
}

/* =============================================================
   News
   ============================================================= */
.news { padding: clamp(70px, 9vw, 120px) 0; }
.news-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2.5vw, 28px); margin-top: clamp(30px, 5vw, 50px); }
.news-card { display: block; }
.news-card .nc-img { overflow: hidden; border-radius: 0 20px 0 0; }
.news-card .nc-img img { aspect-ratio: 8 / 5.5; object-fit: cover; width: 100%; transition: transform .6s ease; }
.news-card:hover .nc-img img { transform: scale(1.05); }
.news-card .nc-meta { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
.news-card time { font-family: var(--font-en); font-size: 12.5px; color: var(--muted); letter-spacing: .08em; }
.news-card .nc-title { margin-top: 6px; font-size: 14px; font-weight: 500; line-height: 1.7; }

/* =============================================================
   Contact band
   ============================================================= */
.contact-band { position: relative; padding: clamp(80px, 10vw, 140px) 0; isolation: isolate; overflow: hidden; }
.contact-band .cb-bg { position: absolute; inset: 0; z-index: -2; }
.contact-band .cb-bg img { width: 100%; height: 100%; object-fit: cover; }
.contact-band::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(12, 33, 22, .45); }
.contact-card {
  width: min(880px, 94%); margin-inline: auto;
  background: #fff; border-radius: 0 40px 0 0;
  padding: clamp(32px, 5vw, 56px);
  text-align: center; box-shadow: var(--shadow);
}
.contact-card p { margin-top: 16px; font-size: 14.5px; }
.contact-row {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: clamp(20px, 4vw, 48px); margin-top: 30px;
}
.contact-tel { text-align: left; }
.contact-tel a {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-en); font-size: clamp(28px, 4vw, 38px);
  font-weight: 600; color: var(--green); letter-spacing: .04em; line-height: 1.2;
}
.contact-tel .tel-icon { width: 30px; height: 30px; fill: var(--green); }
.contact-tel .hours { display: block; font-size: 12.5px; color: var(--muted); margin-top: 4px; }

/* =============================================================
   Footer
   ============================================================= */
.site-footer { background: var(--green-footer); color: #dbe7df; font-size: 13.5px; }
.footer-inner {
  display: grid; grid-template-columns: 1.1fr .9fr;
  gap: clamp(30px, 6vw, 90px);
  padding: clamp(50px, 7vw, 80px) 0 clamp(36px, 5vw, 56px);
}
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-logo svg { width: 34px; height: 34px; }
.footer-logo .logo-text { font-family: var(--font-en); font-weight: 600; font-size: 21px; letter-spacing: .18em; color: #fff; }
.footer-address { margin-top: 24px; display: grid; gap: 12px; }
.footer-address .addr strong { color: #fff; font-weight: 700; display: block; }
.footer-license { margin-top: 18px; font-size: 12.5px; color: #a9bfb2; }
.footer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 30px; align-content: start; }
.footer-nav a { display: inline-flex; align-items: center; gap: 8px; padding: 4px 0; transition: color .3s; }
.footer-nav a::before { content: "−"; color: #6f8d7d; }
.footer-nav a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .14);
  padding: 18px 0;
}
.footer-bottom .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; font-size: 12px; color: #a9bfb2; }
.footer-bottom a:hover { color: #fff; }

/* Page top button */
.pagetop {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 48px; height: 48px; border: none; cursor: pointer;
  background: var(--green); color: #fff; border-radius: 50% 50% 50% 0;
  display: grid; place-items: center;
  opacity: 0; pointer-events: none; transition: opacity .35s, background .35s;
}
.pagetop::before { content: ""; width: 9px; height: 9px; border-top: 2px solid #fff; border-left: 2px solid #fff; transform: rotate(45deg) translate(2px, 2px); }
.pagetop.is-visible { opacity: 1; pointer-events: auto; }
.pagetop:hover { background: var(--green-deep); }

/* =============================================================
   下層ページ共通
   ============================================================= */
.page-hero {
  position: relative; margin-top: 74px;
  min-height: clamp(240px, 32vw, 380px);
  display: flex; align-items: center;
  isolation: isolate; overflow: hidden; color: #fff;
}
.page-hero .ph-bg { position: absolute; inset: 0; z-index: -2; }
.page-hero .ph-bg img { width: 100%; height: 100%; object-fit: cover; }
.page-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(100deg, rgba(14,42,28,.72), rgba(14,42,28,.35)); }
.page-hero .ph-grid {
  position: absolute; top: 0; right: 0; bottom: 0; width: 44%; z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(90deg, transparent, #000 45%);
  pointer-events: none;
}
.page-hero .ph-inner { position: relative; z-index: 1; }
.page-hero .ph-en { font-family: var(--font-en); font-size: 14px; letter-spacing: .2em; color: #cfe4d6; }
.page-hero h1 { font-size: clamp(28px, 4vw, 42px); letter-spacing: .12em; margin-top: 6px; }

.breadcrumb { background: var(--bg-soft); font-size: 12.5px; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px; padding: 12px 0; color: var(--muted); }
.breadcrumb li:not(:last-child)::after { content: "›"; margin-left: 6px; }
.breadcrumb a:hover { color: var(--green); }

/* --- 下層：リード --- */
.page-lead { padding: clamp(70px, 9vw, 110px) 0; }
.page-lead .lead-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.page-lead .lead-catch { font-size: clamp(22px, 2.8vw, 30px); font-weight: 700; line-height: 1.7; letter-spacing: .08em; margin-top: 12px; }
.page-lead .lead-catch .accent { color: var(--green); }
.page-lead p { margin-top: 20px; }
.page-lead .lead-img { border-radius: 0 60px 0 0; overflow: hidden; box-shadow: var(--shadow); }
.page-lead .lead-img img { aspect-ratio: 11 / 7.8; object-fit: cover; width: 100%; }

/* --- 下層：強み --- */
.strengths { padding: clamp(70px, 9vw, 110px) 0; background: var(--bg-soft); }
.strengths-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 3vw, 32px); margin-top: clamp(30px, 5vw, 50px); }
.strength-card {
  background: #fff; padding: clamp(26px, 3.4vw, 40px) clamp(22px, 3vw, 32px);
  border-radius: 0 28px 0 0; box-shadow: 0 8px 30px rgba(18,63,43,.08);
  text-align: center;
}
.strength-card .num { font-family: var(--font-en); font-size: 15px; letter-spacing: .18em; color: var(--green); }
.strength-card .icon { width: 64px; height: 64px; margin: 14px auto 0; display: grid; place-items: center; background: var(--green-pale); border-radius: 50% 50% 50% 0; }
.strength-card .icon svg { width: 30px; height: 30px; stroke: var(--green); fill: none; stroke-width: 1.8; }
.strength-card h3 { font-size: 18px; letter-spacing: .1em; margin-top: 16px; }
.strength-card p { font-size: 14px; margin-top: 12px; text-align: left; }

/* --- 下層：対応工事 --- */
.work-types { padding: clamp(70px, 9vw, 110px) 0; }
.wt-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 3.4vw, 40px); margin-top: clamp(30px, 5vw, 50px); }
.wt-card { display: grid; grid-template-columns: 42% 1fr; background: #fff; border: 1px solid var(--line); border-radius: 0 24px 0 0; overflow: hidden; }
.wt-card .wt-img { overflow: hidden; }
.wt-card .wt-img img { width: 100%; height: 100%; object-fit: cover; min-height: 170px; transition: transform .6s ease; }
.wt-card:hover .wt-img img { transform: scale(1.05); }
.wt-card .wt-body { padding: 20px 22px; }
.wt-card h3 { font-size: 17.5px; letter-spacing: .08em; color: var(--green); }
.wt-card p { font-size: 13.5px; margin-top: 8px; }

/* --- 下層：施工の流れ --- */
.flow { padding: clamp(70px, 9vw, 110px) 0; background: var(--green-deep); color: #fff; }
.flow p.flow-lead { margin-top: 18px; color: #dbe7df; max-width: 720px; font-size: 14.5px; }
.flow-list { counter-reset: step; display: grid; gap: 14px; margin-top: clamp(30px, 5vw, 50px); }
.flow-item {
  counter-increment: step;
  display: grid; grid-template-columns: 92px 220px 1fr; align-items: center; gap: 20px;
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 0 20px 0 0; padding: 20px 26px;
}
.flow-item::before {
  content: "0" counter(step);
  font-family: var(--font-en); font-size: 30px; font-weight: 500; color: #a7d3b8; letter-spacing: .08em;
}
.flow-item h3 { font-size: 17px; letter-spacing: .1em; }
.flow-item p { font-size: 13.5px; color: #dbe7df; }

/* --- 下層：関連実績 --- */
.related-works { padding: clamp(70px, 9vw, 110px) 0; background: var(--bg-soft); }

/* --- 下層：他事業リンク --- */
.other-services { padding: clamp(70px, 9vw, 110px) 0; }
.os-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: clamp(26px, 4vw, 44px); }
.os-card {
  position: relative; display: grid; place-items: center; text-align: center;
  min-height: 130px; padding: 20px 12px;
  background: var(--green-pale); border-radius: 0 20px 0 0;
  font-weight: 700; letter-spacing: .08em; font-size: 15px;
  transition: background .35s, color .35s, transform .35s;
}
.os-card .en { display: block; font-family: var(--font-en); font-size: 11.5px; font-weight: 500; letter-spacing: .14em; color: var(--green); margin-top: 6px; transition: color .35s; }
.os-card:hover { background: var(--green); color: #fff; transform: translateY(-3px); }
.os-card:hover .en { color: #cfe4d6; }

/* --- 下層：CTA --- */
.page-cta { position: relative; padding: clamp(70px, 9vw, 110px) 0; background: var(--green); color: #fff; text-align: center; overflow: hidden; }
.page-cta::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 90px 90px;
}
.page-cta .container { position: relative; }
.page-cta h2 { font-size: clamp(22px, 3vw, 30px); letter-spacing: .12em; }
.page-cta p { margin-top: 14px; font-size: 14.5px; color: #e6efe9; }
.page-cta .cta-row { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: clamp(20px, 4vw, 48px); margin-top: 32px; }
.page-cta .contact-tel a { color: #fff; }
.page-cta .contact-tel .tel-icon { fill: #fff; }
.page-cta .contact-tel .hours { color: #cfe4d6; }

/* =============================================================
   Responsive
   ============================================================= */
@media (max-width: 1080px) {
  .gnav { display: none; }
  .header-recruit { display: none; }
  .menu-toggle {
    display: grid; place-items: center; margin-left: auto;
    width: 52px; height: 52px; border: none; background: var(--green); cursor: pointer;
    border-radius: 0 0 0 18px; position: relative; z-index: 120;
  }
  .menu-toggle span, .menu-toggle::before, .menu-toggle::after {
    content: ""; display: block; width: 22px; height: 2px; background: #fff;
    position: absolute; transition: transform .35s, opacity .35s;
  }
  .menu-toggle::before { transform: translateY(-7px); }
  .menu-toggle::after { transform: translateY(7px); }
  .menu-toggle.is-open span { opacity: 0; }
  .menu-toggle.is-open::before { transform: rotate(45deg); }
  .menu-toggle.is-open::after { transform: rotate(-45deg); }

  .mobile-nav {
    position: fixed; inset: 0; z-index: 110;
    background: var(--green-deep); color: #fff;
    display: grid; place-items: center; text-align: center;
    opacity: 0; visibility: hidden; transition: opacity .4s, visibility .4s;
  }
  .mobile-nav.is-open { opacity: 1; visibility: visible; }
  .mobile-nav ul { display: grid; gap: 20px; font-size: 17px; font-weight: 500; letter-spacing: .1em; }
  .mobile-nav .mn-recruit { margin-top: 12px; }
}
@media (min-width: 1081px) { .mobile-nav { display: none; } }

@media (max-width: 900px) {
  .about-grid, .private-dev, .page-lead .lead-grid { grid-template-columns: 1fr; }
  .public-works { grid-template-columns: 1fr; }
  .sub-services, .strengths-list { grid-template-columns: 1fr 1fr; }
  .news-list { grid-template-columns: 1fr 1fr; }
  .works-list { grid-template-columns: 1fr 1fr; }
  .works-head { grid-template-columns: 1fr; align-items: start; }
  .wt-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .os-grid { grid-template-columns: 1fr 1fr; }
  .civil-card { margin-inline: auto; margin-top: -80px; }
  .flow-item { grid-template-columns: 64px 1fr; }
  .flow-item p { grid-column: 1 / -1; }
  .private-dev .pd-img { order: 2; }
}
@media (max-width: 560px) {
  body { font-size: 14.5px; }
  .sub-services, .strengths-list, .works-list, .news-list, .ql-grid { grid-template-columns: 1fr; }
  .btn { min-width: 0; width: 100%; }
  .hero-btns .btn { width: auto; flex: 1 1 46%; min-width: 160px; justify-content: center; gap: 12px; }
  .contact-row, .page-cta .cta-row { flex-direction: column; }
  .contact-tel { text-align: center; }
  .os-grid { grid-template-columns: 1fr 1fr; }
}

/* =============================================================
   下層ページ追加コンポーネント
   ============================================================= */

/* --- 「〇〇とは」セクションの大きめ欧文 --- */
.page-lead { position: relative; overflow: hidden; }
.page-lead .en-big {
  font-family: var(--font-en); font-weight: 600; line-height: 1;
  font-size: clamp(44px, 8vw, 96px); letter-spacing: .04em;
  color: var(--green-pale); user-select: none;
  margin-bottom: 8px;
}
.page-lead .lead-catch { white-space: pre-line; }

/* --- サービス詳細（9項目グリッド）※.wt-card を流用 --- */
.detail-head p.small-en { font-family: var(--font-en); font-size: 13px; letter-spacing: .1em; color: var(--muted); margin-top: 6px; }

/* --- A型：強みバンド --- */
.strength-band { background: var(--green-deep); color: #fff; padding: clamp(70px, 9vw, 110px) 0; overflow: hidden; }
.strength-band .sb-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.strength-band .sb-mid { font-size: clamp(20px, 2.6vw, 26px); font-weight: 700; letter-spacing: .08em; line-height: 1.7; margin-top: 18px; color: #cfe4d6; white-space: pre-line; }
.strength-band p.sb-text { margin-top: 18px; color: #e6efe9; font-size: 14.5px; }
.strength-band .sb-img { border-radius: 0 60px 0 0; overflow: hidden; box-shadow: 0 14px 40px rgba(0,0,0,.3); }
.strength-band .sb-img img { aspect-ratio: 10 / 7; object-fit: cover; width: 100%; }

/* --- B型：選ばれる理由（ナンバリング交互配置） --- */
.reasons { padding: clamp(70px, 9vw, 110px) 0; background: var(--bg-soft); }
.reason-rows { display: grid; gap: clamp(44px, 7vw, 80px); margin-top: clamp(34px, 5vw, 60px); }
.reason-row { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(26px, 4.5vw, 64px); align-items: center; }
.reason-row:nth-child(even) .rr-img { order: 2; }
.rr-img { border-radius: 0 44px 0 0; overflow: hidden; box-shadow: var(--shadow); }
.rr-img img { aspect-ratio: 10 / 7; object-fit: cover; width: 100%; }
.rr-num { font-family: var(--font-en); font-weight: 500; font-size: 15px; letter-spacing: .2em; color: var(--green); }
.rr-num::after { content: ""; display: block; width: 44px; height: 2px; background: var(--green); margin-top: 8px; }
.rr-body h3 { font-size: clamp(20px, 2.5vw, 26px); letter-spacing: .08em; line-height: 1.6; margin-top: 14px; white-space: pre-line; }
.rr-body p { margin-top: 14px; font-size: 14.5px; }

/* --- FAQ --- */
.faq-section { padding: clamp(70px, 9vw, 110px) 0; }
.faq-section + .faq-section { padding-top: 0; }
.faq-cat-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 16px; }
.faq-cat-head .small-en { font-family: var(--font-en); font-size: 13px; letter-spacing: .12em; color: var(--muted); }
.faq-list { display: grid; gap: 12px; margin-top: clamp(24px, 4vw, 40px); }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 0 18px 0 0; overflow: hidden; }
.faq-item summary {
  display: flex; align-items: baseline; gap: 16px; cursor: pointer;
  padding: 18px 54px 18px 22px; font-weight: 700; letter-spacing: .04em;
  list-style: none; position: relative; transition: background .3s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: var(--green-pale); }
.faq-item summary::before { content: "Q"; font-family: var(--font-en); font-weight: 600; font-size: 18px; color: var(--green); flex: none; }
.faq-item summary .toggle { position: absolute; right: 20px; top: 50%; width: 14px; height: 14px; transform: translateY(-50%); }
.faq-item summary .toggle::before, .faq-item summary .toggle::after {
  content: ""; position: absolute; inset: 50% auto auto 0; width: 14px; height: 2px; background: var(--green); transition: transform .3s;
}
.faq-item summary .toggle::after { transform: rotate(90deg); }
.faq-item[open] summary .toggle::after { transform: rotate(0); }
.faq-answer { display: flex; gap: 16px; padding: 4px 22px 20px; border-top: 1px dashed var(--line); }
.faq-answer::before { content: "A"; font-family: var(--font-en); font-weight: 600; font-size: 18px; color: #b0803a; flex: none; padding-top: 10px; }
.faq-answer p { padding-top: 12px; font-size: 14.5px; }

/* --- 会社概要テーブル --- */
.company-section { padding: clamp(70px, 9vw, 110px) 0; }
.company-table { width: 100%; border-collapse: collapse; margin-top: clamp(26px, 4vw, 44px); font-size: 14.5px; }
.company-table th {
  width: 220px; text-align: left; vertical-align: top;
  background: var(--green-pale); color: var(--green-deep);
  padding: 16px 20px; font-weight: 700; border-bottom: 3px solid #fff;
}
.company-table td { padding: 16px 20px; border-bottom: 1px solid var(--line); }
@media (max-width: 640px) {
  .company-table th, .company-table td { display: block; width: 100%; }
  .company-table th { padding: 10px 16px; }
}
.map-embed { margin-top: clamp(30px, 5vw, 50px); border-radius: 0 30px 0 0; overflow: hidden; box-shadow: var(--shadow); }
.map-embed iframe { width: 100%; height: 420px; border: 0; display: block; }
.map-link { margin-top: 14px; font-size: 13.5px; }
.map-link a { color: var(--green); font-weight: 700; text-decoration: underline; }

/* --- 代表挨拶・スタッフ紹介 --- */
.mission { padding: clamp(70px, 9vw, 110px) 0; }
.mission .mission-grid { display: grid; grid-template-columns: 1fr .9fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.mission .copy-title { font-size: clamp(24px, 3.4vw, 36px); font-weight: 700; letter-spacing: .1em; line-height: 1.6; margin-top: 12px; }
.mission .copy-sub { font-size: clamp(16px, 1.9vw, 19px); font-weight: 700; color: var(--green); letter-spacing: .1em; margin-top: 14px; }
.mission p.body { margin-top: 20px; }
.mission .sign { margin-top: 26px; font-weight: 700; letter-spacing: .1em; text-align: right; }
.mission .mission-img { border-radius: 0 60px 0 0; overflow: hidden; box-shadow: var(--shadow); }
.mission .mission-img img { aspect-ratio: 9 / 10; object-fit: cover; width: 100%; }

.mvv { padding: clamp(70px, 9vw, 110px) 0; background: var(--green-deep); color: #fff; }
.mvv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 3vw, 32px); margin-top: clamp(30px, 5vw, 50px); }
.mvv-card { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16); border-radius: 0 26px 0 0; padding: clamp(26px, 3.4vw, 38px) clamp(22px, 3vw, 30px); }
.mvv-card .en { font-family: var(--font-en); font-size: 13px; letter-spacing: .18em; color: #a7d3b8; }
.mvv-card h3 { font-size: 18.5px; letter-spacing: .08em; margin-top: 10px; line-height: 1.7; }
.mvv-card p { font-size: 13.5px; margin-top: 14px; color: #dbe7df; }

.value-words { padding: clamp(70px, 9vw, 110px) 0 0; }
.vw-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 3vw, 28px); margin-top: clamp(26px, 4vw, 44px); }
.vw-card { background: var(--green-pale); border-radius: 0 24px 0 0; padding: clamp(24px, 3vw, 34px); text-align: center; }
.vw-card h3 { font-size: 19px; letter-spacing: .14em; color: var(--green-deep); }
.vw-card h3::after { content: ""; display: block; width: 34px; height: 2px; background: var(--green); margin: 12px auto 0; }
.vw-card p { font-size: 13.5px; margin-top: 14px; text-align: left; }

.staff { padding: clamp(70px, 9vw, 110px) 0; }
.staff-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 3vw, 32px); margin-top: clamp(30px, 5vw, 50px); }
.staff-card { background: #fff; border: 1px solid var(--line); border-radius: 0 26px 0 0; overflow: hidden; }
.staff-card .st-img img { aspect-ratio: 6 / 6.4; object-fit: cover; width: 100%; }
.staff-card .st-body { padding: 20px 22px 26px; }
.staff-card .role { font-size: 12.5px; color: var(--green); font-weight: 700; letter-spacing: .1em; }
.staff-card .name { font-size: 18px; font-weight: 700; letter-spacing: .12em; margin-top: 4px; }
.staff-card .comment { font-size: 13.5px; margin-top: 10px; color: var(--muted); }

/* --- 当社について：選ばれる理由グリッド（可変数） --- */
.reasons-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: clamp(18px, 3vw, 30px); margin-top: clamp(30px, 5vw, 50px); }
.reason-card { background: #fff; border-radius: 0 26px 0 0; box-shadow: 0 8px 30px rgba(18,63,43,.08); padding: clamp(26px, 3.2vw, 36px) clamp(22px, 3vw, 30px); }
.reason-card .num { font-family: var(--font-en); font-size: 14px; letter-spacing: .2em; color: var(--green); }
.reason-card h3 { font-size: 18px; letter-spacing: .08em; line-height: 1.6; margin-top: 10px; white-space: pre-line; }
.reason-card p { font-size: 14px; margin-top: 12px; }

/* --- 当社について：事業領域（交互配置＋ボタン） --- */
.biz { padding: clamp(70px, 9vw, 110px) 0; }
.biz .reason-row .btn { margin-top: 22px; }

@media (max-width: 900px) {
  .reason-row, .strength-band .sb-grid, .mission .mission-grid { grid-template-columns: 1fr; }
  .reason-row:nth-child(even) .rr-img { order: 0; }
  .mvv-grid, .vw-grid, .staff-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .mvv-grid, .vw-grid, .staff-grid { grid-template-columns: 1fr; }
  .company-table th { width: 100%; }
}