:root{
    --paper:#f4f0e8;
    --paper-2:#ece6da;
    --ink:#211e19;
    --ink-2:#6f6a60;
    --ink-3:#9b968b;
    --line:rgba(33,30,25,.16);
    --line-soft:rgba(33,30,25,.09);
    --accent:#ab4a34;
    --accent-soft:rgba(171,74,52,.10);
    --ph:transparent;
    --ph-2:#bbb3a4;
    --maxw:1240px;
    --pad:48px;
    --header-h:84px;
    --serif:'Noto Serif JP', serif;
    --latin:'Cormorant Garamond', 'Noto Serif JP', serif;
    --sans:'Helvetica Neue', Arial, 'Noto Serif JP', sans-serif;
  }
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: url("../img/noise.png") repeat;
  opacity: 0.02;
  pointer-events: none;
  z-index: 9999;
}
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;background:var(--paper);color:var(--ink);
    font-family:var(--serif);font-weight:400;line-height:2;letter-spacing:.03em;
    -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
  }
  ::selection{background:var(--accent-soft);}
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  .container{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);}

  /* ---------- photo placeholder ---------- */
  .ph-box{
    position:relative;background:var(--ph);overflow:hidden;
    background-image:repeating-linear-gradient(135deg, rgba(255,255,255,.05) 0 2px, transparent 2px 26px);
  }
  .ph-box.alt{background:var(--ph-2);}
  .ph-box .ph-label{
    position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
    font-family:var(--sans);font-size:10px;letter-spacing:.3em;color:rgba(33,30,25,.34);white-space:nowrap;text-align:center;
  }

  .mono{font-family:var(--sans);letter-spacing:.18em;text-transform:uppercase;}

  /* =========================================================
     HEADER / NAV  (matches main site)
  ========================================================= */
  header{
    position:fixed;top:0;left:0;right:0;z-index:100;
    transition:background .5s ease, border-color .5s ease, backdrop-filter .5s ease;
    border-bottom:1px solid transparent;
  }
  header.solid{
    background:rgba(244,240,232,.86);
    backdrop-filter:blur(14px) saturate(120%);
    border-bottom:1px solid var(--line-soft);
  }
  .nav{max-width:var(--maxw);margin:0 auto;padding:16px var(--pad);display:flex;align-items:center;justify-content:flex-end;gap:24px;}
  .site-logo{
    position:fixed;top:33px;left:0;right:0;margin:0 auto;
    max-width:var(--maxw);padding:0 var(--pad);z-index:120;pointer-events:none;
    transition:top .5s cubic-bezier(.2,.7,.2,1);
  }
  .site-logo .brand-logo{height:40px;width:auto;display:block;pointer-events:auto;transition:height .5s cubic-bezier(.2,.7,.2,1);}
  .site-logo .brand-logo .st2{fill:var(--accent);}
  .site-logo .brand-logo .st0{fill:var(--paper);}
  .site-logo .brand-logo .st1{fill:var(--ink);}
  .navlinks{display:flex;align-items:center;gap:42px;}
  .navlinks a{font-family:var(--sans);font-size:16px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);position:relative;padding:4px 0;}
  .navlinks a:not(.nav-logo-link)::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:1px;background:var(--accent);transition:right .4s cubic-bezier(.2,.7,.2,1);}
  .navlinks a:not(.nav-logo-link):hover::after{right:0;}
  .nav-cta{display:flex;align-items:center;gap:14px;}
  .nav-cta .txt{font-family:var(--sans);font-size:16px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);}
  .nav-dot{width:52px;height:52px;border-radius:50%;background:var(--ink);color:var(--paper);display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;transition:transform .5s cubic-bezier(.2,.7,.2,1), background .4s;flex-shrink:0;}
  .nav-cta:hover .nav-dot{transform:rotate(45deg);background:var(--accent);}
  .nav-logo-link{display:flex;align-items:center;flex-shrink:0;margin-left:6px;transition:opacity .4s ease;}
  .nav-logo-link:hover{opacity:.62;}
  .nav-logo-link .nav-logo{height:45px;width:auto;display:block;}
  body.scrolled .nav{padding-top:24px;padding-bottom:24px;}
  .burger{display:none;width:34px;height:34px;position:relative;cursor:pointer;}
  .burger span{position:absolute;left:4px;right:4px;height:1.4px;background:var(--ink);transition:.35s;}
  .burger span:nth-child(1){top:12px;}
  .burger span:nth-child(2){top:21px;}
  body.menu-open .burger span:nth-child(1){top:16px;transform:rotate(45deg);}
  body.menu-open .burger span:nth-child(2){top:16px;transform:rotate(-45deg);}
  .mobile-menu{position:fixed;inset:0;z-index:90;background:var(--paper);display:flex;flex-direction:column;justify-content:center;gap:6px;padding:0 var(--pad);opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .5s ease, transform .5s ease, visibility .5s;}
  body.menu-open .mobile-menu{opacity:1;visibility:visible;transform:none;}
  .mobile-menu a{font-family:var(--serif);font-size:30px;font-weight:500;padding:14px 0;border-bottom:1px solid var(--line-soft);display:flex;align-items:baseline;gap:18px;}
  .mobile-menu a .en{font-family:var(--sans);font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-2);margin-left:auto;}

  /* =========================================================
     PROJECT HERO  (full-bleed)
  ========================================================= */
  .p-hero{position:relative;height:100svh;min-height:620px;display:flex;align-items:flex-end;overflow:hidden;}
  .p-hero .ph-box{position:absolute;inset:0;}
  .p-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;}

  .p-hero .scrim{position:absolute;inset:0;background:linear-gradient(180deg, rgba(20,28,30,.30) 0%, rgba(20,28,30,0) 30%, rgba(20,28,30,.18) 62%, rgba(20,28,30,.62) 100%);}
  .p-hero-inner{position:relative;z-index:3;width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad) 9vh;color:#fff;}
  .p-hero .eyebrow{font-family:var(--sans);font-size:12px;font-weight:500;letter-spacing:.34em;text-transform:uppercase;color:rgba(255,255,255,.85);margin-bottom:22px;}
  .p-hero h1{font-size:clamp(2.4rem,5vw,4.4rem);font-weight:600;line-height:1.4;letter-spacing:.04em;margin:0;text-shadow:0 2px 30px rgba(0,0,0,.25);}
  .p-hero .lead{margin-top:24px;font-size:clamp(1.1rem,1.7vw,1.5rem);font-weight:500;letter-spacing:.06em;color:rgba(255,255,255,.95);}
  .p-hero .meta{margin-top:40px;display:flex;flex-direction:column;gap:8px;}
  .p-hero .meta .en{font-family:var(--sans);font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:rgba(255,255,255,.78);}
  .p-hero .meta .cat{font-family:var(--sans);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.92);}
  .p-scroll{position:absolute;right:var(--pad);bottom:34px;z-index:4;display:flex;flex-direction:column;align-items:center;gap:18px;}
  .p-scroll .t{font-family:var(--sans);font-size:11px;letter-spacing:.3em;color:rgba(255,255,255,.8);writing-mode:vertical-rl;}
  .p-scroll .ln{width:1.5px;height:80px;background:rgba(255,255,255,.5);position:relative;overflow:hidden;}
  .p-scroll .ln::after{content:"";position:absolute;left:0;top:-40%;width:100%;height:40%;background:#fff;animation:drop 2.4s cubic-bezier(.6,0,.2,1) infinite;}
  @keyframes drop{0%{top:-40%}60%,100%{top:100%}}

  /* =========================================================
     SECTION SCAFFOLD
  ========================================================= */
  section.block{padding:clamp(88px,13vh,150px) 0;}
  .num-head{display:flex;align-items:baseline;gap:20px;margin-bottom:34px;}
  .num-head .no{font-family:var(--latin);font-size:30px;font-weight:500;line-height:1;color:var(--ink);}
  .num-head .bar{width:54px;height:1px;background:var(--accent);align-self:center;}
  .num-head .lbl{font-family:var(--sans);font-size:11px;font-weight:500;letter-spacing:.3em;text-transform:uppercase;color:var(--ink-2);}
  h2.sec{font-size:clamp(1.7rem,3vw,2.6rem);font-weight:600;line-height:1.5;letter-spacing:.04em;margin:0;}

  /* ---- intro statement ---- */
  .intro{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start;}
  .intro .big{font-size:clamp(1.9rem,3.4vw,3rem);font-weight:600;line-height:1.65;letter-spacing:.04em;margin:0;}
  .intro .col p{margin:0 0 1.5em;font-size:1rem;line-height:2.2;color:var(--ink-2);}
  .intro .col p:last-child{margin-bottom:0;}
  .intro .col p .accent{color:var(--accent);}

  /* ---- text + image split ---- */
  .split{display:grid;grid-template-columns:.82fr 1.18fr;gap:72px;align-items:center;}
  .split.flip{grid-template-columns:1.18fr .82fr;}
  .split.flip .txt{order:2;}
  .split .txt p{font-size:.98rem;line-height:2.2;color:var(--ink-2);margin:0 0 1.4em;}
  .split .txt p:last-child{margin-bottom:0;}
  .split .txt .body{margin-top:30px;}
  .split .media{height:clamp(320px,40vw,520px);}

 /* ---- 3-image row ---- */
  .trio{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:64px;}
  .trio .ph-box{height:clamp(180px,17vw,260px);}

  /* images placed in any media box fill & cover it (hides the placeholder bg) */
  .p-hero img,.split .media img,.trio .ph-box img,.feature .mag img,.feature .device img,.mtrio .ph-box img,.closing .bg-photo img,.p-media img{
    position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;
  }
  .split .media,.feature .mag,.feature .device,.mtrio .ph-box,.closing .bg-photo,.p-media{position:relative;}

  /* ---- brand lockup (ほっとくの) ---- */
  .lockup{display:flex;align-items:center;gap:24px;}
  .lockup-img{display:block;width:auto;}

  .lockup .badge{
    width:128px;height:128px;border-radius:50%;border:2px solid var(--ink);
    display:flex;align-items:center;justify-content:center;position:relative;flex-shrink:0;background:var(--paper);
  }
  .lockup .badge::after{content:"";position:absolute;right:8px;bottom:6px;width:18px;height:18px;background:var(--paper);border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(45deg);}
  .lockup .badge span{font-size:54px;font-weight:600;line-height:1;color:var(--ink);}
  .lockup .word .sm{font-family:var(--sans);font-size:11px;letter-spacing:.24em;color:var(--ink-2);margin-bottom:8px;}
  .lockup .word .lg{font-size:34px;font-weight:600;letter-spacing:.08em;}