  :root{
    --navy-900:#16233D;
    --navy-800:#1E3153;
    --navy-700:#2A4166;
    --ink:#20241F;
    --paper:#F3F2EC;
    --paper-deep:#EAE7DC;
    --brass:#AD8A3D;
    --brass-light:#C7A659;
    --rule:#D6D2C4;
    --rule-dark:rgba(255,255,255,.18);
    --cream:#F8F7F2;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:"Noto Sans JP",sans-serif;
    font-weight:400;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  h1,h2,h3{
    font-family:"Zen Old Mincho",serif;
    font-weight:700;
    margin:0;
    letter-spacing:.02em;
  }
  .inner{
    max-width:1120px;
    margin:0 auto;
    padding:0 32px;
  }
  @media (max-width:640px){ .inner{padding:0 22px;} }

  /* ---------- header ---------- */
  header{
    position:sticky;
    top:0;
    z-index:40;
    background:rgba(243,242,236,.92);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--rule);
  }
  header .inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:78px;
  }
  .brand{
    display:flex;
    align-items:baseline;
    gap:10px;
    font-family:"Zen Old Mincho",serif;
    font-weight:700;
    font-size:22px;
    color:var(--navy-900);
  }
  .brand small{
    font-family:"Noto Sans JP",sans-serif;
    font-weight:400;
    font-size:11px;
    color:#6b7280;
    letter-spacing:.03em;
  }
  nav ul{
    list-style:none;
    margin:0;padding:0;
    display:flex;
    gap:36px;
  }
  nav a{
    font-size:14.5px;
    color:var(--navy-900);
    position:relative;
    padding-bottom:4px;
  }
  nav a::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:0;
    height:1px;
    background:var(--brass);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .25s ease;
  }
  nav a:hover::after{transform:scaleX(1);}
  .nav-cta{
    border:1px solid var(--navy-900);
    padding:9px 20px;
    font-size:13.5px;
  }
  .nav-cta::after{display:none;}
  .nav-cta:hover{background:var(--navy-900);color:var(--cream);}
  @media (max-width:900px){
    nav ul{display:none;}
  }

  /* ---------- hero ---------- */
  .hero{
    padding:104px 0 96px;
    position:relative;
  }
  .hero .inner{
    display:grid;
    grid-template-columns:1.1fr .9fr;
    gap:64px;
    align-items:end;
  }
  .hero-eyebrow{
    font-size:14px;
    color:var(--brass);
    font-weight:500;
    margin-bottom:22px;
    display:flex;
    align-items:center;
    gap:12px;
  }
  .hero-eyebrow .line{width:36px;height:1px;background:var(--brass);}
  .hero h1{
    font-size:clamp(34px,4.6vw,54px);
    line-height:1.5;
    color:var(--navy-900);
  }
  .hero h1 em{
    font-style:normal;
    border-bottom:2px solid var(--brass);
  }
  .hero-sub{
    margin-top:28px;
    font-size:15.5px;
    color:#454b45;
    max-width:34em;
  }
  .hero-actions{
    margin-top:40px;
    display:flex;
    gap:28px;
    align-items:center;
  }
  .btn-primary{
    background:var(--navy-900);
    color:var(--cream);
    padding:15px 32px;
    font-size:14.5px;
    letter-spacing:.03em;
    transition:background .2s ease;
  }
  .btn-primary:hover{background:var(--navy-700);}
  .btn-ghost{
    font-size:14px;
    border-bottom:1px solid var(--ink);
    padding-bottom:3px;
  }
  .hero-figure{
    position:relative;
  }
  .hero-figure .frame{
    position:relative;
    overflow:hidden;
  }
  .hero-figure img{
    width:100%;
    height:420px;
    object-fit:cover;
    filter:grayscale(35%) saturate(85%);
  }
  .hero-figure .tint{
    position:absolute;inset:0;
    background:linear-gradient(160deg, rgba(22,35,61,.55), rgba(22,35,61,.08) 55%);
    mix-blend-mode:multiply;
  }
  .hero-figure .stat-card{
    position:absolute;
    left:-28px;
    bottom:-28px;
    background:var(--navy-900);
    color:var(--cream);
    padding:26px 30px;
    max-width:230px;
  }
  .stat-card .num{
    font-family:"Zen Old Mincho",serif;
    font-size:38px;
    color:var(--brass-light);
    line-height:1;
  }
  .stat-card .lbl{
    margin-top:8px;
    font-size:12.5px;
    color:#c9cedb;
    line-height:1.6;
  }
  @media (max-width:900px){
    .hero .inner{grid-template-columns:1fr;}
    .hero-figure .stat-card{position:static;margin-top:18px;max-width:none;}
  }

  /* ---------- section shell ---------- */
  section{padding:104px 0;}
  .rule-top{border-top:1px solid var(--rule);}
  .section-head{
    display:grid;
    grid-template-columns:.9fr 1.5fr;
    gap:48px;
    margin-bottom:56px;
  }
  .section-head .kicker{
    font-size:13px;
    color:var(--brass);
    margin-bottom:14px;
  }
  .section-head h2{
    font-size:clamp(24px,2.6vw,32px);
    color:var(--navy-900);
    line-height:1.6;
  }
  .section-head p{
    font-size:14.5px;
    color:#4a4f47;
    align-self:end;
    max-width:36em;
  }
  @media (max-width:760px){
    .section-head{grid-template-columns:1fr;gap:16px;}
  }

  /* ---------- about ---------- */
  .about-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:0;
    border-top:1px solid var(--rule);
  }
  .about-grid > div{
    padding:34px 30px;
    border-right:1px solid var(--rule);
  }
  .about-grid > div:last-child{border-right:none;}
  .about-grid h3{
    font-size:17px;
    color:var(--navy-900);
    margin-bottom:14px;
  }
  .about-grid p{
    font-size:13.8px;
    color:#4a4f47;
    line-height:1.9;
  }
  @media (max-width:760px){
    .about-grid{grid-template-columns:1fr;}
    .about-grid > div{border-right:none;border-bottom:1px solid var(--rule);}
  }

  /* ---------- service ---------- */
  .service-row{
    display:grid;
    grid-template-columns:.85fr 1.15fr;
    gap:56px;
    align-items:center;
    padding:52px 0;
    border-top:1px solid var(--rule);
  }
  .service-row:last-child{border-bottom:1px solid var(--rule);}
  .service-row .figure{
    position:relative;
    overflow:hidden;
  }
  .service-row .figure img{
    width:100%;
    height:260px;
    object-fit:cover;
    filter:grayscale(30%);
  }
  .service-row .figure .tint{
    position:absolute;inset:0;
    background:rgba(22,35,61,.38);
    mix-blend-mode:multiply;
  }
  .service-row .num{
    font-family:"Zen Old Mincho",serif;
    font-size:13px;
    color:var(--brass);
    margin-bottom:12px;
  }
  .service-row h3{
    font-size:21px;
    color:var(--navy-900);
    margin-bottom:16px;
  }
  .service-row p{
    font-size:14px;
    color:#4a4f47;
  }
  @media (max-width:760px){
    .service-row{grid-template-columns:1fr;}
  }

  /* ---------- outline / stats band ---------- */
  .band{
    background:var(--navy-900);
    color:var(--cream);
  }
  .band .section-head h2{color:var(--cream);}
  .band .section-head p{color:#b9c0cf;}
  .band .kicker{color:var(--brass-light);}
  .stat-row{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    border-top:1px solid var(--rule-dark);
  }
  .stat-row > div{
    padding:36px 30px;
    border-right:1px solid var(--rule-dark);
  }
  .stat-row > div:last-child{border-right:none;}
  .stat-row .num{
    font-family:"Zen Old Mincho",serif;
    font-size:42px;
    color:var(--brass-light);
  }
  .stat-row .lbl{
    margin-top:10px;
    font-size:13px;
    color:#c9cedb;
    line-height:1.8;
  }
  @media (max-width:760px){
    .stat-row{grid-template-columns:1fr;}
    .stat-row > div{border-right:none;border-bottom:1px solid var(--rule-dark);}
  }

  /* ---------- news ---------- */
  .news-list{border-top:1px solid var(--rule);}
  .news-item{
    display:grid;
    grid-template-columns:140px 1fr;
    gap:28px;
    padding:26px 0;
    border-bottom:1px solid var(--rule);
    font-size:14.5px;
  }
  .news-item time{color:#7a7f74;font-size:13px;}
  .news-item .empty{color:#7a7f74;}

  /* ---------- contact cta ---------- */
  .cta{
    background:var(--paper-deep);
    border-top:1px solid var(--rule);
    border-bottom:1px solid var(--rule);
  }
  .cta .inner{
    padding:76px 32px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:40px;
    flex-wrap:wrap;
  }
  .cta h2{
    font-size:clamp(22px,2.8vw,30px);
    color:var(--navy-900);
    line-height:1.7;
  }

  /* ---------- footer ---------- */
  footer{
    background:var(--navy-900);
    color:#c9cedb;
    padding:64px 0 32px;
  }
  .foot-grid{
    display:grid;
    grid-template-columns:1.3fr 1fr 1fr;
    gap:40px;
    padding-bottom:40px;
    border-bottom:1px solid var(--rule-dark);
  }
  .foot-brand{
    font-family:"Zen Old Mincho",serif;
    color:var(--cream);
    font-size:19px;
    margin-bottom:16px;
  }
  .foot-grid p{font-size:13px;line-height:2;color:#a9b0c2;}
  .foot-grid h4{
    font-family:"Noto Sans JP",sans-serif;
    font-size:13px;
    color:#8b93a8;
    margin-bottom:16px;
    font-weight:500;
  }
  .foot-grid ul{list-style:none;margin:0;padding:0;}
  .foot-grid li{margin-bottom:11px;font-size:13.5px;}
  .foot-grid a:hover{color:var(--brass-light);}
  .foot-bottom{
    padding-top:24px;
    display:flex;
    justify-content:space-between;
    font-size:12px;
    color:#7c8399;
    flex-wrap:wrap;
    gap:10px;
  }
  @media (max-width:760px){
    .foot-grid{grid-template-columns:1fr;}
  }

  /* ---------- page hero (inner pages) ---------- */
  .page-hero{
    padding:72px 0 56px;
    border-bottom:1px solid var(--rule);
    position:relative;
    overflow:hidden;
  }
  .page-hero .inner{position:relative;z-index:2;}
  .page-hero .kicker{
    font-size:13px;
    color:var(--brass);
    margin-bottom:14px;
  }
  .page-hero h1{
    font-size:clamp(28px,3.6vw,40px);
    color:var(--navy-900);
  }
  .page-hero .mark{
    position:absolute;
    right:-40px;
    top:-60px;
    width:280px;
    height:280px;
    opacity:.55;
    z-index:1;
  }
  @media (max-width:760px){
    .page-hero .mark{display:none;}
  }

  /* ---------- process badge (svg icon circle) ---------- */
  .proc-icon{
    width:52px;height:52px;
    border:1px solid var(--brass);
    border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    margin-bottom:18px;
  }
  .proc-icon svg{width:24px;height:24px;}

  /* ---------- simple content list (news / recruit) ---------- */
  .plain-list{border-top:1px solid var(--rule);}
  .plain-item{
    display:grid;
    grid-template-columns:150px 1fr;
    gap:28px;
    padding:26px 0;
    border-bottom:1px solid var(--rule);
    font-size:14.5px;
  }
  .plain-item time{color:#7a7f74;font-size:13px;}
  .plain-item .empty{color:#7a7f74;}
  @media (max-width:600px){
    .plain-item{grid-template-columns:1fr;gap:6px;}
  }

  /* ---------- outline table ---------- */
  .outline-lead{
    max-width:42em;
    font-size:14.5px;
    color:#454b45;
    padding:44px 0 8px;
    border-top:1px solid var(--rule);
  }
  .outline-lead .credit{
    display:block;
    margin-top:18px;
    font-size:13px;
    color:var(--navy-900);
  }
  .outline-table{
    border-top:1px solid var(--rule);
    margin-top:8px;
  }
  .outline-table dl{
    display:grid;
    grid-template-columns:180px 1fr;
    margin:0;
    border-bottom:1px solid var(--rule);
  }
  .outline-table dt{
    padding:22px 0;
    font-size:13px;
    color:#7a7f74;
  }
  .outline-table dd{
    padding:22px 0;
    margin:0;
    font-size:14.5px;
    line-height:1.9;
  }
  @media (max-width:600px){
    .outline-table dl{grid-template-columns:1fr;}
    .outline-table dt{padding-bottom:6px;}
  }

  /* ---------- contact form ---------- */
  .form-lead{
    max-width:42em;
    font-size:14.5px;
    color:#454b45;
    padding:44px 0 40px;
    border-top:1px solid var(--rule);
  }
  form.contact-form{max-width:640px;}
  .f-row{margin-bottom:26px;}
  .f-row label{
    display:block;
    font-size:13px;
    color:var(--navy-900);
    margin-bottom:8px;
  }
  .f-row label .req{color:var(--brass);margin-left:4px;}
  .f-row input,.f-row textarea{
    width:100%;
    border:none;
    border-bottom:1px solid var(--rule);
    background:transparent;
    padding:11px 2px;
    font-family:"Noto Sans JP",sans-serif;
    font-size:14.5px;
    color:var(--ink);
  }
  .f-row input:focus,.f-row textarea:focus{
    outline:none;
    border-bottom-color:var(--brass);
  }
  .f-row textarea{resize:vertical;min-height:130px;}
  .f-submit{
    border:none;
    background:var(--navy-900);
    color:var(--cream);
    padding:15px 36px;
    font-size:14.5px;
    letter-spacing:.03em;
    cursor:pointer;
    transition:background .2s ease;
  }
  .f-submit:hover{background:var(--navy-700);}

  /* ---------- legal / privacy article ---------- */
  .legal{
    max-width:760px;
    padding:44px 0 0;
    border-top:1px solid var(--rule);
  }
  .legal h2{
    font-family:"Noto Sans JP",sans-serif;
    font-size:16px;
    font-weight:600;
    color:var(--navy-900);
    margin:44px 0 16px;
  }
  .legal h2:first-child{margin-top:0;}
  .legal p{font-size:14px;color:#454b45;margin:0 0 14px;}
  .legal ol{
    margin:0 0 14px;
    padding-left:22px;
    font-size:14px;
    color:#454b45;
  }
  .legal ol ol{margin-top:8px;}
  .legal li{margin-bottom:8px;}
  .legal .tR{text-align:right;margin-top:36px;}
