/* METSA — Shared Styles */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --navy:#0C2D4A;--navy-mid:#1A4A72;--white:#fff;
  --gray-bg:#f7f8fa;--gray-ft:#e8eaed;
  --text:#1c1c1c;--muted:#5a5a6a;--border:#dee1e8;
  --font:'Noto Sans JP','Hiragino Kaku Gothic ProN','Hiragino Sans',sans-serif;
  --max:960px;--ph:60px;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--white);line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ── HEADER ───────────────────────────── */
.hdr{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);transition:box-shadow .2s}
.hdr.scrolled{box-shadow:0 1px 16px rgba(0,0,0,.07)}
.hdr-inner{max-width:calc(var(--max) + var(--ph)*2);margin:0 auto;padding:0 var(--ph);display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;flex-direction:column;gap:2px;line-height:1}
.logo-en{font-size:18px;font-weight:700;letter-spacing:.12em;color:var(--navy)}
.logo-ja{font-size:10px;font-weight:400;color:var(--muted);letter-spacing:.04em;margin-top:3px}
.nav ul{list-style:none;display:flex;gap:4px}
.nav a{display:block;padding:8px 14px;font-size:13px;font-weight:500;color:var(--text);letter-spacing:.05em;border-radius:6px;transition:background .15s}
.nav a:hover{background:var(--gray-bg)}
.nav .cta{background:var(--navy);color:var(--white)!important}
.nav .cta:hover{opacity:.85}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none}
.burger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .2s}
.mob-nav{display:none;border-bottom:1px solid var(--border);background:var(--white);padding:12px 20px}
.mob-nav.open{display:block}
.mob-nav li{border-bottom:1px solid var(--gray-bg)}
.mob-nav a{display:block;padding:14px 8px;font-size:15px;font-weight:500}

/* ── HERO (top page) ──────────────────── */
.hero{background:var(--navy);min-height:560px;display:flex;align-items:center;padding:80px var(--ph);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);background-size:64px 64px}
.hero-in{max-width:var(--max);margin:0 auto;width:100%;position:relative}
.hero-eye{font-size:11px;font-weight:400;color:rgba(255,255,255,.55);letter-spacing:.2em;margin-bottom:22px}
.hero h1{font-size:38px;font-weight:300;color:var(--white);line-height:1.75;letter-spacing:.06em;margin-bottom:26px}
.hero-body{font-size:14px;font-weight:300;color:rgba(255,255,255,.68);max-width:480px;line-height:2;letter-spacing:.04em;margin-bottom:40px}
.hero-btn{display:inline-flex;align-items:center;gap:8px;background:var(--white);color:var(--navy);font-size:13px;font-weight:500;letter-spacing:.06em;padding:14px 28px;border-radius:4px;transition:opacity .15s}
.hero-btn:hover{opacity:.88}

/* ── PAGE HERO (sub pages) ────────────── */
.page-hero{background:var(--navy);padding:52px var(--ph) 44px}
.page-hero-in{max-width:var(--max);margin:0 auto}
.page-hero-eye{font-size:11px;font-weight:400;color:rgba(255,255,255,.5);letter-spacing:.2em;margin-bottom:14px}
.page-hero h1{font-size:26px;font-weight:300;color:var(--white);letter-spacing:.06em;line-height:1.5}

/* ── SECTIONS ─────────────────────────── */
.sec{padding:72px var(--ph)}
.sec-gray{background:var(--gray-bg)}
.wrap{max-width:var(--max);margin:0 auto}
.eye{font-size:11px;font-weight:500;color:var(--navy-mid);letter-spacing:.18em;margin-bottom:12px}
.ttl{font-size:28px;font-weight:400;color:var(--text);letter-spacing:.04em;line-height:1.5;margin-bottom:22px}
.ttl-sm{font-size:20px;font-weight:500;color:var(--text);margin-bottom:16px;line-height:1.5}
.lead{font-size:14px;color:var(--muted);line-height:2.1;max-width:640px;margin-bottom:32px}
.body-text{font-size:14px;color:var(--muted);line-height:2.1;margin-bottom:20px}
.rm{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;color:var(--navy);letter-spacing:.08em;border-bottom:1px solid var(--navy);padding-bottom:3px;transition:opacity .15s}
.rm:hover{opacity:.6}

/* ── IMAGE PLACEHOLDER ────────────────── */
.img-ph{background:var(--gray-bg);border:2px dashed var(--border);border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);font-size:12px;gap:10px;letter-spacing:.04em}
.img-ph-lbl{font-size:12px;color:var(--muted)}

/* ── SERVICE CARDS ────────────────────── */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:40px}
.svc-card{background:var(--white);border:1px solid var(--border);border-radius:8px;padding:28px 24px;transition:box-shadow .2s,transform .2s}
.svc-card:hover{box-shadow:0 4px 20px rgba(0,0,0,.08);transform:translateY(-2px)}
.svc-icon{width:44px;height:44px;background:#ebf3fa;border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.svc-card h3{font-size:15px;font-weight:500;color:var(--text);margin-bottom:12px;line-height:1.6}
.svc-card p{font-size:13px;color:var(--muted);line-height:1.95}

/* ── CONTACT ──────────────────────────── */
.c-card{border:1px solid var(--border);border-radius:8px;padding:48px;background:var(--white)}
.c-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:start}
.c-form{display:flex;flex-direction:column;gap:16px}
.f-group{display:flex;flex-direction:column;gap:6px}
.f-label{font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.04em}
.f-input,.f-ta,.f-sel{font-family:var(--font);font-size:14px;color:var(--text);border:1px solid var(--border);border-radius:4px;padding:10px 14px;background:var(--white);width:100%;transition:border-color .15s;outline:none;-webkit-appearance:none}
.f-input:focus,.f-ta:focus,.f-sel:focus{border-color:var(--navy-mid)}
.f-ta{resize:vertical;min-height:120px}
.f-btn{align-self:flex-start;display:inline-flex;align-items:center;gap:8px;background:var(--navy);color:var(--white);font-family:var(--font);font-size:14px;font-weight:500;letter-spacing:.06em;padding:13px 32px;border:none;border-radius:4px;cursor:pointer;margin-top:6px;transition:background .15s}
.f-btn:hover{background:var(--navy-mid)}
.c-info h3{font-size:15px;font-weight:500;margin-bottom:20px;color:var(--text)}
.i-row{display:flex;gap:12px;margin-bottom:14px;font-size:13px}
.i-lbl{color:var(--muted);min-width:64px;flex-shrink:0}
.i-val{color:var(--text);line-height:1.8}
.i-note{font-size:12px;color:var(--muted);margin-top:20px;line-height:1.9;padding:14px 16px;background:var(--gray-bg);border-radius:4px}

/* ── ABOUT PAGE ───────────────────────── */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;margin-bottom:48px}
.value-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:40px}
.value-card{background:#ebf3fa;border-radius:8px;padding:20px 16px;text-align:center}
.value-icon{font-size:28px;margin-bottom:10px;display:block}
.value-card h4{font-size:12px;font-weight:500;color:var(--navy);margin-bottom:6px;line-height:1.5}
.value-card p{font-size:11px;color:var(--muted);line-height:1.8}
.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-bottom:40px}
.profile-name{font-size:15px;font-weight:500;color:var(--text);margin-top:14px;margin-bottom:4px}
.profile-role{font-size:12px;color:var(--navy-mid);margin-bottom:10px}
.profile-body{font-size:13px;color:var(--muted);line-height:1.9}
.info-table{width:100%;border-collapse:collapse;margin-bottom:32px}
.info-table th{text-align:left;padding:12px 16px;font-size:13px;font-weight:500;color:var(--muted);background:var(--gray-bg);width:160px;border:1px solid var(--border)}
.info-table td{padding:12px 16px;font-size:13px;color:var(--text);border:1px solid var(--border);line-height:1.8}
.timeline{list-style:none;margin-bottom:40px}
.timeline li{display:flex;gap:20px;padding:14px 0;border-bottom:1px solid var(--border);font-size:13px}
.timeline li:first-child{border-top:1px solid var(--border)}
.tl-year{color:var(--navy-mid);font-weight:500;min-width:56px;flex-shrink:0}
.tl-body{color:var(--muted);line-height:1.8}
.principle-list{list-style:none;margin-bottom:24px}
.principle-list li{padding:12px 0;border-bottom:1px solid var(--border);font-size:14px;color:var(--muted);line-height:1.9}
.principle-list li:first-child{border-top:1px solid var(--border)}
.culture-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:32px}
.culture-card{background:var(--gray-bg);border-radius:8px;padding:20px}
.culture-card h4{font-size:13px;font-weight:500;color:var(--navy);margin-bottom:8px}
.culture-card p{font-size:12px;color:var(--muted);line-height:1.8}

/* ── POLICY PAGES ─────────────────────── */
.policy-content{max-width:760px}
.policy-meta{font-size:12px;color:var(--muted);margin-bottom:32px;padding:14px 16px;background:var(--gray-bg);border-radius:4px;line-height:1.9}
.policy-content h2{font-size:17px;font-weight:500;color:var(--text);margin:36px 0 14px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.policy-content h3{font-size:14px;font-weight:500;color:var(--text);margin:22px 0 10px}
.policy-content p{font-size:14px;color:var(--muted);line-height:2;margin-bottom:14px}
.policy-content ul,.policy-content ol{padding-left:20px;margin-bottom:16px}
.policy-content li{font-size:14px;color:var(--muted);line-height:2;margin-bottom:4px}
.policy-content strong{color:var(--text);font-weight:500}
.policy-content table{width:100%;border-collapse:collapse;margin-bottom:24px}
.policy-content th,.policy-content td{padding:10px 14px;font-size:13px;border:1px solid var(--border);vertical-align:top;line-height:1.8}
.policy-content th{background:var(--gray-bg);font-weight:500;color:var(--muted);width:30%;text-align:left}

/* ── FOOTER ───────────────────────────── */
.ft{background:var(--gray-ft);padding:52px var(--ph) 0}
.ft-in{max-width:var(--max);margin:0 auto;display:flex;justify-content:space-between;align-items:flex-start;gap:40px;flex-wrap:wrap}
.ft-brand .logo-en{font-size:16px}
.ft-brand .logo-ja{font-size:11px;margin-bottom:16px}
.ft-addr{font-size:12px;color:var(--muted);line-height:2.1;font-style:normal}
.ft-nav-group{display:flex;flex-direction:column;gap:6px}
.ft-nav-title{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.08em;margin-bottom:8px}
.ft-nav-group a{font-size:13px;font-weight:500;color:var(--text);transition:opacity .15s}
.ft-nav-group a:hover{opacity:.6}
.ft-policy-group{display:flex;flex-direction:column;gap:8px}
.ft-policy-group a{font-size:12px;color:var(--muted);transition:color .15s}
.ft-policy-group a:hover{color:var(--navy)}
.ft-copy{max-width:var(--max);margin:40px auto 0;padding:20px 0;border-top:1px solid var(--border);font-size:11px;color:#b0b3bc;text-align:center}

/* ── RESPONSIVE ───────────────────────── */
@media(max-width:768px){
  :root{--ph:20px}
  .nav{display:none}
  .burger{display:flex}
  .hero{min-height:440px;padding:60px var(--ph)}
  .hero h1{font-size:26px}
  .page-hero{padding:36px var(--ph) 28px}
  .page-hero h1{font-size:20px}
  .sec{padding:48px var(--ph)}
  .ttl{font-size:22px}
  .svc-grid{grid-template-columns:1fr}
  .c-grid{grid-template-columns:1fr}
  .c-card{padding:24px 18px}
  .two-col{grid-template-columns:1fr}
  .value-grid{grid-template-columns:repeat(2,1fr)}
  .profile-grid{grid-template-columns:1fr}
  .culture-grid{grid-template-columns:1fr}
  .ft-in{flex-direction:column;gap:28px}
}