@charset "UTF-8";
/* ============================================================
   株式会社高須組  — Corporate Site
   Brand: 海と陸が活躍のフィールド / the LAND × the SEA
   白基調・海の青・陸の緑・明朝の見出し・英字セクション
   ============================================================ */

:root{
  /* sea (海) */
  --sea-900:#0d456f; --sea-700:#176aa6; --sea-500:#2f8fd0; --sea-300:#7fc0e8; --sea-50:#eaf4fb;
  /* land (陸) */
  --land-700:#587f2b; --land-500:#7cb342; --land-300:#a8d06a; --land-50:#eef6e6;
  /* neutrals */
  --ink:#1d2733; --body:#46535f; --muted:#7c8896; --line:#e5ebf0;
  --paper:#ffffff; --soft:#f4f8fa; --soft2:#eef3f6;
  /* type */
  --serif-jp:"Noto Serif JP",serif;
  --sans-jp:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  --serif-en:"Cormorant Garamond","Noto Serif JP",serif;
  /* layout */
  --max:1180px; --gutter:24px; --radius:14px;
  --shadow:0 14px 40px rgba(20,50,80,.10);
  --shadow-sm:0 6px 20px rgba(20,50,80,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; color:var(--body); background:var(--paper);
  font-family:var(--sans-jp); font-size:16px; line-height:1.9;
  font-feature-settings:"palt"; -webkit-font-smoothing:antialiased; text-size-adjust:100%;
  overflow-x:hidden;
  /* 日本語を文節単位で改行（対応ブラウザ）＋句読点のぶら下げ */
  word-break:auto-phrase; line-break:normal;
}
/* 改行させたくない語句（文節の途中で割れるのを防ぐ） */
.nb{white-space:nowrap}
img{max-width:100%; height:auto; display:block}
a{color:var(--sea-700); text-decoration:none; transition:color .2s, opacity .2s}
a:hover{color:var(--sea-500)}
h1,h2,h3,h4{color:var(--ink); line-height:1.45; font-weight:700; margin:0}

.container{max-width:var(--max); margin:0 auto; padding:0 var(--gutter)}
.section{padding:96px 0}
.section.soft{background:var(--soft)}
.section.tight{padding:64px 0}
.center{text-align:center}

/* ---- English eyebrow + section heading ---- */
.eyebrow{
  font-family:var(--serif-en); font-style:italic; font-weight:600;
  font-size:clamp(20px,2.4vw,30px); letter-spacing:.02em;
  color:var(--sea-500); margin:0 0 6px;
}
.eyebrow.land{color:var(--land-500)}
.kicker{
  display:inline-block; font-size:12px; font-weight:700; letter-spacing:.34em;
  color:var(--sea-500); text-transform:uppercase; margin-bottom:14px;
}
.kicker.land{color:var(--land-500)}
.sec-title{
  font-family:var(--serif-jp); font-weight:700;
  font-size:clamp(26px,4vw,40px); letter-spacing:.04em; color:var(--ink);
  margin:0 0 10px;
}
.sec-lead{max-width:680px; color:var(--body); font-size:15.5px}
.center .sec-lead{margin-left:auto; margin-right:auto}
.sec-head{margin-bottom:46px}

/* ============================================================
   Header / Nav
   ============================================================ */
.site-header{
  position:sticky; top:0; z-index:50; background:rgba(255,255,255,.92);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--max); margin:0 auto; padding:0 var(--gutter);
  height:72px; display:flex; align-items:center; justify-content:space-between;
}
.brand{display:flex; align-items:center; gap:12px; color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand .mark{
  width:40px; height:36px; flex:none;
  background:url(img/logo-mark.png) center/contain no-repeat;
}
.brand .name{font-family:var(--serif-jp); font-weight:700; font-size:18.5px; letter-spacing:.04em; line-height:1.1; white-space:nowrap}

.nav-area{display:flex; align-items:center}
.nav{display:flex; align-items:center; gap:4px}
.nav a{
  color:var(--ink); font-size:14px; font-weight:500; letter-spacing:.04em;
  padding:10px 14px; border-radius:8px; position:relative;
}
.nav a:hover{color:var(--sea-700); background:var(--sea-50)}
.nav a.current{color:var(--sea-700)}
.nav a.current::after{
  content:""; position:absolute; left:14px; right:14px; bottom:4px; height:2px;
  background:linear-gradient(90deg,var(--sea-500),var(--land-500)); border-radius:2px;
}
.nav .btn-contact{
  margin-left:8px; background:var(--sea-700); color:#fff; padding:10px 18px; border-radius:999px;
}
.nav .btn-contact:hover{background:var(--sea-900); color:#fff}
.nav-toggle{display:none; border:0; background:none; cursor:pointer; padding:8px; color:var(--ink)}
.nav-toggle span{display:block; width:24px; height:2px; background:currentColor; margin:5px 0; transition:.25s}

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  display:inline-flex; align-items:center; gap:10px; cursor:pointer;
  font-family:var(--sans-jp); font-weight:600; font-size:15px; letter-spacing:.04em;
  padding:14px 28px; border-radius:999px; border:1.5px solid transparent; transition:.25s;
}
.btn .arw{transition:transform .25s}
.btn:hover .arw{transform:translateX(4px)}
.btn-primary{background:var(--sea-700); color:#fff}
.btn-primary:hover{background:var(--sea-900); color:#fff; box-shadow:var(--shadow-sm)}
.btn-land{background:var(--land-500); color:#fff}
.btn-land:hover{background:var(--land-700); color:#fff}
.btn-ghost{background:transparent; color:var(--ink); border-color:var(--line)}
.btn-ghost:hover{border-color:var(--sea-500); color:var(--sea-700)}
.btn-white{background:#fff; color:var(--sea-700)}
.btn-white:hover{color:var(--sea-900)}

/* ============================================================
   Hero (home)
   ============================================================ */
.hero{position:relative; background:#0a2c47; overflow:hidden}
.hero-media{position:absolute; inset:0}
.hero-media img{width:100%; height:100%; object-fit:cover}
.hero-media::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg,rgba(8,40,66,.55) 0%,rgba(8,40,66,.28) 40%,rgba(8,40,66,.6) 100%);
}
.hero-inner{
  position:relative; max-width:var(--max); margin:0 auto; padding:130px var(--gutter) 120px;
  color:#fff;
}
.hero .en{
  font-family:var(--serif-en); font-style:italic; font-weight:600;
  font-size:clamp(22px,3vw,34px); letter-spacing:.06em; color:#bfe2f6; margin-bottom:8px;
}
.hero h1{
  color:#fff; font-family:var(--serif-jp); font-weight:700;
  font-size:clamp(40px,8vw,86px); line-height:1.18; letter-spacing:.06em;
  text-shadow:0 4px 24px rgba(0,20,40,.4); margin:0 0 6px;
}
.hero h1 .sea{color:#9fd8f5}
.hero h1 .land{color:#bfe39a}
.hero .sub{font-size:clamp(16px,2.2vw,21px); font-weight:500; letter-spacing:.1em; margin-bottom:26px}
.hero .lead{max-width:640px; color:rgba(255,255,255,.92); font-size:15.5px; margin-bottom:34px}
.hero .actions{display:flex; gap:14px; flex-wrap:wrap}
.hero-meta{
  position:relative; z-index:2; border-top:1px solid rgba(255,255,255,.22);
  margin-top:54px; padding-top:26px; display:flex; gap:48px; flex-wrap:wrap;
}
.hero-meta .k{display:block; font-size:11px; letter-spacing:.24em; color:#bfe2f6; text-transform:uppercase}
.hero-meta .v{font-family:var(--serif-jp); font-size:26px; color:#fff; font-weight:700}
.hero-meta .v small{font-size:13px; color:rgba(255,255,255,.7); margin-left:6px; font-family:var(--sans-jp); font-weight:400}

/* ============================================================
   Page hero (subpages, slim)
   ============================================================ */
.page-hero{
  position:relative; background:linear-gradient(120deg,var(--sea-900),var(--sea-700));
  color:#fff; padding:84px var(--gutter) 70px; overflow:hidden;
}
.page-hero::before{
  content:""; position:absolute; right:-120px; top:-120px; width:360px; height:360px; border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(124,179,66,.55),rgba(124,179,66,0) 70%);
}
.page-hero-inner{position:relative; max-width:var(--max); margin:0 auto}
.page-hero .en{font-family:var(--serif-en); font-style:italic; font-size:clamp(22px,3vw,32px); color:#bfe2f6}
.page-hero h1{color:#fff; font-family:var(--serif-jp); font-size:clamp(28px,5vw,44px); letter-spacing:.08em; margin-top:4px}
.page-hero p{max-width:760px; color:rgba(255,255,255,.9); margin:14px 0 0}
.breadcrumb{max-width:var(--max); margin:18px auto 0; padding:14px var(--gutter) 0; font-size:13px; color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--sea-700)}

/* ============================================================
   Grids & cards
   ============================================================ */
.grid{display:grid; gap:24px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;
  display:flex; flex-direction:column; transition:transform .3s, box-shadow .3s, border-color .3s;
}
.card:hover{transform:translateY(-5px); box-shadow:var(--shadow); border-color:transparent}
.card .ph{aspect-ratio:4/3; overflow:hidden; background:var(--soft2)}
.card .ph img{width:100%; height:100%; object-fit:cover; transition:transform .5s}
.card:hover .ph img{transform:scale(1.05)}
.card .bd{padding:22px 22px 26px}
.card .bd h3{font-size:19px; margin-bottom:8px; letter-spacing:.04em}
.card .bd .en-tag{font-family:var(--serif-en); font-style:italic; color:var(--sea-500); font-size:15px}
.card .bd p{font-size:14px; color:var(--body); margin:6px 0 0}

/* business feature blocks */
.feature{display:grid; grid-template-columns:1fr 1fr; gap:54px; align-items:center}
.feature.rev .fig{order:2}
.feature .fig{border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-sm)}
.feature .fig img{width:100%; aspect-ratio:5/4; object-fit:cover}
.feature h2{font-family:var(--serif-jp); font-size:clamp(24px,3.4vw,34px); letter-spacing:.04em; margin-bottom:16px}
.feature p{font-size:15.5px}

/* stat chips */
.stats{display:flex; gap:16px; flex-wrap:wrap; margin-top:22px}
.stat{
  background:#fff; border:1px solid var(--line); border-radius:12px; padding:16px 22px; text-align:center; min-width:130px;
}
.stat b{display:block; font-family:var(--serif-jp); font-size:30px; color:var(--sea-700); line-height:1}
.stat span{font-size:12.5px; color:var(--muted); letter-spacing:.06em}

/* ============================================================
   Equipment lists (機器・船団)
   ============================================================ */
.equip{display:grid; grid-template-columns:1fr 1fr; gap:24px}
.equip-col{border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; background:#fff}
.equip-col .hd{
  padding:18px 22px; color:#fff; display:flex; align-items:baseline; gap:12px;
}
.equip-col.sea .hd{background:linear-gradient(120deg,var(--sea-700),var(--sea-500))}
.equip-col.land .hd{background:linear-gradient(120deg,var(--land-700),var(--land-500))}
.equip-col .hd .en{font-family:var(--serif-en); font-style:italic; font-size:20px}
.equip-col .hd h3{color:#fff; font-size:18px; letter-spacing:.06em}
.equip-col ul{list-style:none; margin:0; padding:14px 22px 22px}
.equip-col li{
  padding:11px 0 11px 26px; border-bottom:1px dashed var(--line); position:relative; font-size:14.5px; color:var(--ink);
}
.equip-col li:last-child{border-bottom:0}
.equip-col li::before{
  content:""; position:absolute; left:4px; top:18px; width:8px; height:8px; border-radius:50%;
}
.equip-col.sea li::before{background:var(--sea-500)}
.equip-col.land li::before{background:var(--land-500)}
.equip-col li span{color:var(--muted); font-size:12.5px; margin-left:6px}

/* ============================================================
   Results gallery
   ============================================================ */
.cat-block{margin-bottom:56px}
.cat-head{display:flex; align-items:center; gap:16px; margin-bottom:22px; padding-bottom:14px; border-bottom:2px solid var(--line)}
.cat-head .badge{
  font-family:var(--serif-en); font-style:italic; color:#fff; font-size:15px;
  padding:5px 16px; border-radius:999px; background:var(--sea-500);
}
.cat-head.land .badge{background:var(--land-500)}
.cat-head h2{font-family:var(--serif-jp); font-size:24px; letter-spacing:.06em}
.gallery{display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-bottom:20px}
.gallery figure{margin:0; border-radius:12px; overflow:hidden; position:relative; aspect-ratio:4/3; background:var(--soft2)}
.gallery img{width:100%; height:100%; object-fit:cover; transition:transform .5s}
.gallery figure:hover img{transform:scale(1.06)}
.gallery figcaption{
  position:absolute; left:0; right:0; bottom:0; padding:18px 12px 8px; color:#fff; font-size:12px;
  background:linear-gradient(transparent,rgba(10,30,50,.82));
}
.proj-list{list-style:none; margin:0; padding:0; columns:2; column-gap:32px}
.proj-list li{padding:7px 0 7px 22px; position:relative; font-size:14.5px; color:var(--ink); break-inside:avoid}
.proj-list li::before{content:"▶"; position:absolute; left:0; top:8px; font-size:9px; color:var(--sea-500)}
.cat-block.land .proj-list li::before{color:var(--land-500)}

/* ============================================================
   Message / president
   ============================================================ */
.message{display:grid; grid-template-columns:0.85fr 1.15fr; gap:50px; align-items:center}
.message .portrait{position:relative; text-align:center}
.message .portrait .ring{
  position:absolute; left:50%; top:5%; transform:translateX(-50%); width:80%; aspect-ratio:1; border-radius:50%;
  background:radial-gradient(circle at 50% 60%,var(--land-50),var(--sea-50)); z-index:0;
}
.message .portrait img{position:relative; z-index:1; margin:0 auto; max-height:430px}
.message .sign{position:relative; z-index:2; margin-top:18px; font-size:14px; color:var(--muted)}
.message .sign b{font-family:var(--serif-jp); font-size:22px; color:var(--ink); letter-spacing:.1em; margin-left:8px}
.message .body p{margin:0 0 18px; font-size:15.5px}
.message .lead-q{font-family:var(--serif-jp); font-size:clamp(22px,3vw,30px); color:var(--ink); line-height:1.6; letter-spacing:.04em; margin-bottom:22px}

/* policy panels 和 / 挑戦と変革 */
.policy{display:grid; grid-template-columns:1fr 1fr; gap:24px}
.policy .panel{
  position:relative; border-radius:var(--radius); padding:42px 36px; overflow:hidden; color:#fff;
  min-height:240px; display:flex; flex-direction:column; justify-content:flex-end;
}
.policy .panel.wa{background:linear-gradient(135deg,var(--land-700),var(--land-500))}
.policy .panel.challenge{background:linear-gradient(135deg,var(--sea-900),var(--sea-700))}
.policy .panel .big{
  position:absolute; right:18px; top:-6px; font-family:var(--serif-jp); font-weight:700;
  font-size:150px; line-height:1; color:rgba(255,255,255,.16);
}
.policy .panel .lbl{font-family:var(--serif-en); font-style:italic; font-size:16px; color:rgba(255,255,255,.85)}
.policy .panel h3{color:#fff; font-family:var(--serif-jp); font-size:26px; letter-spacing:.1em; margin:4px 0 10px}
.policy .panel p{color:rgba(255,255,255,.92); font-size:14.5px; margin:0; position:relative}

/* ============================================================
   Info table (会社概要)
   ============================================================ */
.spec{width:100%; border-collapse:collapse; background:#fff; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden}
.spec th,.spec td{text-align:left; padding:18px 24px; border-bottom:1px solid var(--line); vertical-align:top; font-size:14.5px}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.spec th{width:148px; background:var(--soft); color:var(--ink); font-weight:600; letter-spacing:.04em; white-space:nowrap}
.spec td{color:var(--body)}

/* group companies */
.group-grid{display:grid; grid-template-columns:1fr 1fr; gap:20px}
.group-card{border:1px solid var(--line); border-radius:var(--radius); padding:26px 28px; background:#fff}
.group-card h3{font-size:18px; margin-bottom:10px}
.group-card .meta{font-size:13.5px; color:var(--body); line-height:1.8}

/* mascot */
.mascot{
  display:grid; grid-template-columns:auto 1fr; gap:30px; align-items:center;
  background:var(--land-50); border-radius:var(--radius); padding:34px 40px;
}
.mascot img{width:150px; filter:drop-shadow(0 10px 18px rgba(80,110,40,.25))}
.mascot h3{font-size:21px; margin-bottom:6px}
.mascot .role{font-size:12.5px; letter-spacing:.18em; color:var(--land-700); font-weight:700; text-transform:uppercase; margin-bottom:10px}
.mascot p{font-size:14.5px; margin:0}

/* ============================================================
   Recruit
   ============================================================ */
.event-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
.event-grid figure{margin:0; border-radius:12px; overflow:hidden; position:relative; aspect-ratio:4/3}
.event-grid img{width:100%; height:100%; object-fit:cover; transition:transform .5s}
.event-grid figure:hover img{transform:scale(1.06)}
.event-grid figcaption{position:absolute; left:12px; bottom:10px; color:#fff; font-weight:600; font-size:13px; text-shadow:0 2px 8px rgba(0,0,0,.6)}
.benefit-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px}
.benefit{border:1px solid var(--line); border-radius:var(--radius); padding:30px 26px; background:#fff; text-align:center}
.benefit .ic{
  width:58px; height:58px; margin:0 auto 16px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  background:var(--sea-50); color:var(--sea-700); font-size:26px;
}
.benefit h3{font-size:17px; margin-bottom:8px}
.benefit p{font-size:13.5px; margin:0}

/* ============================================================
   CTA band
   ============================================================ */
.cta{
  position:relative; background:linear-gradient(120deg,var(--sea-900),var(--sea-700)); color:#fff; overflow:hidden;
  padding:72px 0;
}
.cta::after{content:""; position:absolute; left:-100px; bottom:-140px; width:340px; height:340px; border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(124,179,66,.5),transparent 70%)}
.cta .container{position:relative; text-align:center}
.cta .en{font-family:var(--serif-en); font-style:italic; font-size:26px; color:#bfe2f6}
.cta h2{color:#fff; font-family:var(--serif-jp); font-size:clamp(24px,4vw,36px); letter-spacing:.06em; margin:6px 0 8px}
.cta p{color:rgba(255,255,255,.9); margin:0 auto 26px; max-width:600px}
.cta .tel{font-family:var(--serif-jp); font-size:34px; color:#fff; letter-spacing:.04em}
.cta .tel small{display:block; font-family:var(--sans-jp); font-size:12px; letter-spacing:.2em; color:#bfe2f6}
.cta .actions{display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-top:22px}

/* ============================================================
   Form (contact)
   ============================================================ */
.form-wrap{max-width:760px; margin:0 auto}
.form-table{width:100%; border-collapse:collapse}
.form-table th,.form-table td{display:block; width:100%; text-align:left; padding:0}
.form-row{margin-bottom:24px}
.form-row label,.form-table th{font-weight:600; color:var(--ink); font-size:14.5px; margin-bottom:8px; display:block}
.req{color:#c0392b; font-size:12px; margin-left:6px}
.form-table input[type=text],.form-table input[type=email],.form-table textarea,
.contact-field{
  width:100%; padding:14px 16px; border:1.5px solid var(--line); border-radius:10px;
  font-family:var(--sans-jp); font-size:15px; color:var(--ink); background:#fff; transition:border-color .2s;
}
.form-table textarea{min-height:150px; resize:vertical}
.form-table input:focus,.form-table textarea:focus{outline:none; border-color:var(--sea-500); box-shadow:0 0 0 3px var(--sea-50)}
.form-actions{text-align:center; margin-top:14px}
input[type=submit],button.submit{
  font-family:var(--sans-jp); font-weight:600; font-size:16px; color:#fff; background:var(--sea-700);
  border:0; border-radius:999px; padding:15px 50px; cursor:pointer; transition:.25s; letter-spacing:.08em;
}
input[type=submit]:hover{background:var(--sea-900)}

/* generic table fallback (mail.php confirm) */
.simple-table{width:100%; border-collapse:collapse; background:#fff; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; margin:20px 0}
.simple-table th,.simple-table td{text-align:left; padding:16px 20px; border-bottom:1px solid var(--line); font-size:14.5px; vertical-align:top}
.simple-table th{width:200px; background:var(--soft); font-weight:600; color:var(--ink)}

/* ============================================================
   Footer
   ============================================================ */
.site-footer{background:#10222f; color:#c8d4dd; padding:64px 0 28px; font-size:14px}
.footer-top{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .name{display:flex; align-items:center; gap:12px; color:#fff; font-family:var(--serif-jp); font-size:22px; letter-spacing:.06em}
.footer-brand .name .mark{width:34px; height:30px; background:url(img/logo-mark.png) center/contain no-repeat}
.footer-brand p{margin:16px 0 4px; color:#9fb1bd; font-size:13.5px; line-height:1.9}
.footer-col h4{color:#fff; font-size:13px; letter-spacing:.18em; margin-bottom:16px; font-weight:600}
.footer-col ul{list-style:none; margin:0; padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#c8d4dd; font-size:14px}
.footer-col a:hover{color:var(--sea-300)}
.footer-bottom{display:flex; justify-content:space-between; align-items:center; padding-top:22px; flex-wrap:wrap; gap:10px; color:#7d909d; font-size:12.5px}
.footer-bottom .en{font-family:var(--serif-en); font-style:italic; color:#9fb1bd}

/* ============================================================
   Reveal animation
   ============================================================ */
.reveal{opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease}
.reveal.in{opacity:1; transform:none}

/* ============================================================
   Responsive
   ============================================================ */
@media(max-width:980px){
  .g-4{grid-template-columns:repeat(2,1fr)}
  .g-3{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .feature{grid-template-columns:minmax(0,1fr); gap:30px}
  .feature .fig, .feature .txt{min-width:0}
  .feature.rev .fig{order:0}
  .message{grid-template-columns:minmax(0,1fr); gap:30px}
  .message .portrait, .message .body{min-width:0}
  .message .portrait img{max-height:380px}
  .equip{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
}
/* タブレット幅ではナビをハンバーガーに（社名が長いぶん早めに切替） */
@media(max-width:900px){
  .nav{
    position:fixed; inset:72px 0 auto 0; flex-direction:column; align-items:stretch; gap:0;
    background:#fff; border-bottom:1px solid var(--line); padding:10px 16px 18px;
    transform:translateY(-130%); transition:transform .3s; box-shadow:var(--shadow); max-height:calc(100vh - 72px); overflow:auto;
  }
  .nav.open{transform:translateY(0)}
  .nav a{padding:14px 10px; border-radius:8px; border-bottom:1px solid var(--soft2)}
  .nav a.current::after{display:none}
  .nav .btn-contact{margin:12px 0 0; justify-content:center}
  .nav-toggle{display:block}
  .nav.open ~ .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav.open ~ .nav-toggle span:nth-child(2){opacity:0}
  .nav.open ~ .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media(max-width:760px){
  body{line-height:1.8}
  .section{padding:54px 0}
  .section.tight{padding:42px 0}
  .sec-head{margin-bottom:30px}
  .g-2,.g-3,.g-4,.policy,.group-grid,.event-grid,.benefit-grid,.equip{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .proj-list{columns:1}
  .hero-inner{padding:96px var(--gutter) 80px}
  /* タイトルは改行せず、サイズを縮めて1行に収める */
  .hero h1{font-size:clamp(20px,6vw,52px); line-height:1.25; letter-spacing:0}
  .hero h1 br{display:none}
  .hero-meta{gap:28px}

  /* ヒーロー（最上部）は左寄せのまま。その下のセクションはセンターに統一 */
  .feature .txt, .message .body{text-align:center}
  .feature .stats{justify-content:center}
  .message{gap:24px}
  .message .body p{margin-bottom:14px}

  /* 数字チップ：小さくして横一列に（gridで3等分・はみ出し防止） */
  .stats{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:8px; margin-top:18px}
  .stat{min-width:0; padding:14px 6px}
  .stat b{font-size:22px}
  .stat span{font-size:10.5px; letter-spacing:0; line-height:1.5}

  /* 福利厚生：アイコンを小さく、テキストと横並びでコンパクトに */
  .benefit-grid{gap:12px}
  .benefit{display:grid; grid-template-columns:auto 1fr; column-gap:16px; align-items:center; text-align:left; padding:18px 20px}
  .benefit .ic{grid-row:1 / span 2; width:46px; height:46px; margin:0; font-size:22px}
  .benefit h3{grid-column:2; margin:0 0 2px}
  .benefit p{grid-column:2}

  /* マスコット：縦積み＋センター（justify-items:centerは縦書き化バグを招くため不使用） */
  .mascot{grid-template-columns:1fr; text-align:center; gap:16px; padding:28px 24px}
  .mascot img{width:120px; justify-self:center}

  /* フッター：センター＋サイトマップを横並びのコンパクトなリンク列に */
  .footer-top{grid-template-columns:1fr; text-align:center; gap:22px}
  .footer-brand .name{justify-content:center}
  .footer-top > div:nth-child(3) h4{display:none}
  .footer-col h4{margin-bottom:10px}
  .footer-col ul{display:flex; flex-wrap:wrap; justify-content:center; gap:6px 0}
  .footer-col li{margin:0}
  .footer-col li:not(:last-child)::after{content:"・"; color:#46606f; margin:0 4px}
  .footer-bottom{justify-content:center; text-align:center}

  .spec th{width:84px; padding:14px 10px; font-size:13px; letter-spacing:0}
  .spec td{padding:14px 12px; font-size:13.5px}
}