:root{
    --ink:#12131A;
    --sub:#5F6070;
    --hair:#D9D3C2;
    --bg:#F6F1E6;             /* paper */
    --bg-warm:#EFE8D2;         /* deeper paper */
    --bg-dark:#0B0F1E;         /* deep space */
    --bg-dark-2:#141A2C;
    --ink-on-dark:#F6F1E6;
    --accent:#C0392B;          /* 朱 */
    --yellow:#F6E27A;          /* phosphor yellow */
    --seiji:#7BA7A7;
    --mincho:"Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
    --gothic:"Noto Sans JP","Hiragino Sans","Yu Gothic",sans-serif;
    --latin:"Cormorant","Fraunces", Georgia, serif;
    --mono:"VT323","Courier New", monospace;
    --hand:"Homemade Apple","Caveat", cursive;
    --hand-jp:"Klee One","Yuji Syuku","Noto Serif JP", serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html,body{background:var(--bg);color:var(--ink);font-family:var(--mincho);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
  body{overflow-x:hidden}
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%}

  /* subtle CRT scanlines across the whole page */
  body::after{
    content:"";position:fixed;inset:0;pointer-events:none;z-index:200;
    background:repeating-linear-gradient(
      to bottom,
      rgba(11,15,30,0) 0,
      rgba(11,15,30,0) 2px,
      rgba(11,15,30,0.035) 2px,
      rgba(11,15,30,0.035) 3px
    );
    mix-blend-mode:multiply;
  }

  /* ---------- shared pixel decorations ---------- */
  /* "stepped" pixel line used for dividers */
  .pixel-hr{
    display:block;
    width:100%;height:4px;
    background:
      linear-gradient(to right, var(--ink) 0 4px, transparent 4px 100%) 0 0/8px 2px repeat-x,
      linear-gradient(to right, transparent 0 4px, var(--ink) 4px 100%) 0 2px/8px 2px repeat-x;
    image-rendering:pixelated;
  }

  /* pixel badge wrapping an index "01", "02" etc */
  .pixel-chip{
    display:inline-flex;align-items:center;justify-content:center;
    min-width:34px;height:22px;padding:0 6px;
    font-family:var(--mono);font-size:13px;line-height:1;color:var(--yellow);
    background:var(--bg-dark);
    box-shadow:
      /* blocky stepped corners via inset and shadows */
      0 0 0 2px var(--bg-dark),
      2px 0 0 0 var(--bg-dark),
      -2px 0 0 0 var(--bg-dark),
      0 2px 0 0 var(--bg-dark),
      0 -2px 0 0 var(--bg-dark);
    letter-spacing:.08em;
  }

  /* pixel button style */
  .btn-pixel{
    display:inline-flex;align-items:center;gap:8px;
    padding:9px 16px;
    font-family:var(--mono);font-size:13px;line-height:1;
    color:var(--ink);background:var(--bg);
    border:2px solid var(--ink);
    box-shadow:4px 4px 0 0 var(--ink);
    transition:transform .08s steps(2), box-shadow .08s steps(2);
    cursor:pointer;letter-spacing:.06em;
  }
  .btn-pixel:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 0 var(--ink)}
  .btn-pixel:active{transform:translate(4px,4px);box-shadow:0 0 0 0 var(--ink)}
  .btn-pixel.is-dark{color:var(--ink-on-dark);background:var(--bg-dark);border-color:var(--ink-on-dark);box-shadow:4px 4px 0 0 var(--ink-on-dark)}
  .btn-pixel.is-dark:hover{box-shadow:2px 2px 0 0 var(--ink-on-dark)}
  .btn-pixel .arrow{font-size:14px;color:var(--accent)}

  /* ---------- layout ---------- */
  .wrap{max-width:1280px;margin:0 auto;padding:0 48px}
  @media (max-width:720px){.wrap{padding:0 24px}}

  /* ---------- top nav ---------- */
  .nav{
    position:fixed;top:0;left:0;right:0;z-index:50;
    display:flex;justify-content:space-between;align-items:center;
    padding:18px 32px;
    background:var(--bg);
    border-bottom:2px solid var(--ink);
    color:var(--ink);
  }
  .nav .mark{font-family:"Yuji Syuku","Klee One",serif;font-weight:400;font-size:20px;line-height:1;letter-spacing:.02em;display:inline-block;margin-top:-2px;color:var(--ink);white-space:nowrap}
  .nav .mark .dot{color:var(--accent)}
  .nav ul{display:flex;gap:22px;list-style:none;font-family:"Yuji Syuku","Klee One",serif;font-size:15px;letter-spacing:.06em;font-weight:400}
  .nav ul a{position:relative;padding:2px 2px;color:var(--ink)}
  .nav ul a::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:2px;background:var(--accent);transition:width .25s steps(5)}
  .nav ul a:hover::after{width:100%}
  @media (max-width:720px){.nav{padding:12px 18px}.nav .mark{font-size:18px}.nav ul{gap:14px;font-size:13px}}

  /* ---------- hero ---------- */
  .hero{position:relative;min-height:100vh;display:grid;grid-template-columns:1fr 1.15fr;align-items:center;gap:48px;padding:96px 48px 56px}
  @media (max-width:960px){
    .hero{grid-template-columns:1fr;min-height:auto;padding:96px 20px 32px;gap:20px}
    .hero .planet-wrap{order:2;height:auto;aspect-ratio:256/288;min-height:0;max-height:56vh}
    .hero .planet-wrap canvas{width:100%;height:100%;object-fit:contain}
    .hero .copy{order:1;padding-top:4px}
  }

  .hero .copy{position:relative;z-index:2}

  .hero-prompt{
    font-family:var(--mono);font-size:13px;color:var(--accent);letter-spacing:.04em;
    display:inline-flex;align-items:center;gap:8px;
    margin-bottom:12px;
  }
  .hero-prompt::before{content:"▶";font-size:10px}
  .hero-prompt .cursor{display:inline-block;width:7px;height:13px;background:var(--accent);margin-left:3px;animation:blink 1s steps(2) infinite}
  @keyframes blink{50%{opacity:0}}

  .hero-tagline{
    margin-top:8px;
    font-family:"Yuji Syuku","Klee One","Noto Serif JP",serif;
    font-size:clamp(28px,3.8vw,48px);
    line-height:1.2;
    color:var(--ink);
    max-width:14ch;
    font-weight:400;
    letter-spacing:.02em;
    position:relative;
  }
  .hero-tagline em{
    font-style:normal;color:var(--accent);font-weight:400;
    border-bottom:3px solid var(--accent);padding-bottom:2px;
  }

  /* hanko seal — floating red square stamp */
  .hanko{
    position:absolute;
    width:40px;height:40px;
    border:2px solid var(--accent);
    color:var(--accent);
    font-family:"Yuji Syuku","Noto Serif JP",serif;
    font-weight:700;
    display:flex;align-items:center;justify-content:center;
    line-height:1;letter-spacing:.02em;
    font-size:16px;
    transform:rotate(-8deg);
    filter:url(#sealRough);
    background:rgba(192,57,43,0.08);
    user-select:none;
    pointer-events:none;
  }
  .hanko .inner{
    display:flex;flex-direction:column;align-items:center;gap:2px;
    font-weight:700;
    text-shadow:0 0 0 var(--accent);
  }
  .hanko.hero-hanko{
    position:absolute;
    left:-6px;top:-18px;
    transform:rotate(-10deg);
    mix-blend-mode:multiply;
  }
  .hanko-wrap{
    position:relative;display:inline-block;width:0;height:0;vertical-align:baseline;
  }
  @media (max-width:720px){
    .hanko.hero-hanko{left:-4px;top:-12px;width:32px;height:32px;font-size:13px}
  }

  /* postscript / 後書き signature under tagline */
  .hero-postscript{
    margin-top:22px;
    display:flex;align-items:center;gap:14px;flex-wrap:nowrap;
    font-family:var(--hand-jp);font-weight:400;
    font-size:16px;color:var(--sub);letter-spacing:.04em;
    transform:rotate(-1.2deg);transform-origin:left center;
    white-space:nowrap;
  }
  .hero-postscript::before{
    content:"";width:24px;height:1px;background:var(--sub);opacity:.6;
  }
  .hero-postscript .ps-label{
    font-family:var(--mono);font-size:13px;letter-spacing:.2em;
    color:var(--accent);text-transform:uppercase;
  }
  .hero-postscript .ps-sig{
    font-family:var(--hand-jp);font-weight:600;font-size:20px;color:var(--ink);
  }
  .hero-postscript .ps-seal{
    width:18px;height:18px;background:var(--accent);display:inline-block;
    color:#fff;font-family:var(--mincho);font-size:11px;line-height:18px;
    text-align:center;letter-spacing:0;font-weight:700;
    margin-left:2px;transform:rotate(3deg);
  }
  .hero-meta{
    margin-top:32px;
    display:flex;gap:16px;align-items:center;
    font-family:var(--mono);
    font-size:13px;
    color:var(--sub);
    letter-spacing:.04em;
  }
  .hero-meta .dash{width:22px;height:2px;background:var(--ink);image-rendering:pixelated;box-shadow:-5px 0 0 0 var(--ink)}

  /* planet canvas host */
  .planet-wrap{
    position:relative;
    width:100%;
    height:min(72vh, 640px);
    min-height:420px;
    background:var(--bg-dark);
    overflow:hidden;
    display:flex;align-items:center;justify-content:center;
    border:2px solid var(--ink);
    box-shadow:6px 6px 0 0 var(--ink);
  }
  .planet-wrap canvas{display:block;height:100%;width:auto;max-width:100%;cursor:grab;image-rendering:pixelated;image-rendering:crisp-edges}
  .planet-wrap canvas:active{cursor:grabbing}

  /* HUD-style labels on top of planet */
  .stage-label{
    position:absolute;left:12px;bottom:12px;
    font-family:var(--mono);
    color:var(--ink-on-dark);font-size:12px;letter-spacing:.08em;
    display:flex;align-items:center;gap:8px;
    padding:3px 8px;
    background:rgba(11,15,30,0.7);
    border:2px solid var(--yellow);
  }
  .stage-label .bar{width:12px;height:2px;background:var(--yellow);image-rendering:pixelated}
  .stage-label strong{color:var(--yellow);font-weight:400;font-family:var(--mono);font-size:13px}

  .stage-progress{
    position:absolute;right:12px;bottom:12px;
    display:flex;gap:3px;align-items:center;
    padding:6px 8px;
    background:rgba(11,15,30,0.7);
    border:2px solid var(--yellow);
  }
  .stage-progress .seg{width:12px;height:10px;background:rgba(246,226,122,.2);transition:background .3s}
  .stage-progress .seg.on{background:var(--yellow)}

  .drag-hint{
    position:absolute;right:12px;top:12px;
    font-family:var(--mono);
    font-size:11px;letter-spacing:.08em;color:var(--ink-on-dark);
    display:flex;align-items:center;gap:6px;
    padding:3px 10px;white-space:nowrap;
    background:rgba(11,15,30,0.7);
    border:2px solid rgba(246,241,230,0.4);
    opacity:.9;
    transition:opacity .4s;
  }
  .drag-hint::before{content:"✥";color:var(--yellow)}
  .planet-wrap.dragging .drag-hint{opacity:0}

  /* ---------- dino runner strip ---------- */
  .dinorun-strip{
    max-width:960px;margin:0 auto;padding:40px 48px 0;
    position:relative;
  }
  @media (max-width:720px){.dinorun-strip{padding:24px 24px 0}}
  .dinorun-frame{
    position:relative;
    background:var(--bg);
    border:2px solid var(--ink);
    box-shadow:4px 4px 0 0 var(--ink);
    padding:0;
    overflow:hidden;
  }
  .dinorun-frame::before{
    content:"now playing";
    position:absolute;top:6px;left:10px;z-index:2;
    font-family:var(--mono);font-size:9px;letter-spacing:.2em;
    color:var(--sub);text-transform:uppercase;
    background:rgba(246,241,230,0.85);padding:1px 5px;
    pointer-events:none;
  }
  .dinorun-frame::after{
    content:"▶ livOS v1.0";
    position:absolute;bottom:6px;right:10px;z-index:2;
    font-family:var(--mono);font-size:9px;letter-spacing:.14em;
    color:var(--accent);opacity:.75;
    pointer-events:none;
  }
  #dinorun{
    display:block;width:100%;height:auto;
    image-rendering:pixelated;image-rendering:crisp-edges;
    background:var(--bg);
  }

  /* ---------- section heading ---------- */
  .section{padding:140px 48px;position:relative}
  @media (max-width:720px){.section{padding:96px 24px}}

  .section-head{display:flex;align-items:center;gap:16px;margin-bottom:48px;flex-wrap:wrap}
  .section-head .num{
    font-family:var(--mono);font-size:13px;color:var(--yellow);
    background:var(--bg-dark);padding:3px 8px;line-height:1;
    letter-spacing:.08em;
  }
  .section-head .title-en{font-family:var(--mono);font-weight:400;font-size:14px;color:var(--sub);letter-spacing:.14em;text-transform:uppercase}
  .section-head .title-ja{font-family:"Yuji Syuku","Klee One",serif;font-weight:400;font-size:26px;letter-spacing:.08em;color:var(--ink);margin-left:auto}
  @media (max-width:720px){.section-head{gap:10px}.section-head .title-ja{font-size:20px;margin-left:0;width:100%;margin-top:8px}}

  /* ---------- businesses ---------- */
  .biz-bg{background:var(--bg-warm);position:relative}
  .biz-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:24px}
  @media (max-width:960px){.biz-grid{grid-template-columns:repeat(2,1fr)}}
  @media (max-width:520px){.biz-grid{grid-template-columns:1fr}}

  .biz-card{
    position:relative;
    padding:28px 22px 26px;
    background:var(--bg);
    border:2px solid var(--ink);
    box-shadow:5px 5px 0 0 var(--ink);
    display:flex;flex-direction:column;gap:14px;
    min-height:240px;
    transition:transform .12s steps(2), box-shadow .12s steps(2);
    cursor:default;
  }
  .biz-card:hover{transform:translate(2px,2px);box-shadow:3px 3px 0 0 var(--ink)}

  .biz-card .ico{width:56px;height:56px;image-rendering:pixelated}
  .biz-card .ico svg{width:100%;height:100%;shape-rendering:crispEdges}

  .biz-num{
    position:absolute;top:-2px;right:-2px;
    padding:2px 7px;
    font-family:var(--mono);font-size:12px;
    background:var(--ink);color:var(--yellow);
    letter-spacing:.08em;line-height:1.2;
  }
  .biz-name{font-family:var(--mincho);font-weight:500;font-size:17px;letter-spacing:.06em;margin-top:auto;color:var(--ink)}
  .biz-en{font-family:var(--mono);color:var(--accent);font-size:12px;margin-top:-2px;letter-spacing:.08em;text-transform:uppercase}
  .biz-desc{font-family:var(--gothic);font-weight:400;color:var(--sub);font-size:12px;line-height:1.85;letter-spacing:.04em}
  .biz-status{
    display:inline-block;align-self:flex-start;
    margin-top:6px;padding:3px 8px;
    font-family:var(--mono);font-size:10px;letter-spacing:.14em;
    color:var(--sub);background:var(--bg-warm);
    border:1px dashed var(--hair);
    text-transform:uppercase;
  }
  .biz-status::before{content:"▸ ";color:var(--accent);letter-spacing:0}

  /* ---------- お知らせ (news) — compact log list ---------- */
  .news-section{
    padding:100px 48px 48px;background:var(--bg);
  }
  @media (max-width:720px){.news-section{padding:72px 24px 36px}}

  .news-head{
    max-width:920px;margin:0 auto 28px;
    display:flex;align-items:center;gap:20px;
  }
  .news-head .num{
    font-family:var(--mono);font-size:13px;background:var(--ink);color:var(--yellow);
    padding:2px 8px;letter-spacing:.08em;
  }
  .news-head .title-en{font-family:var(--mono);font-size:14px;letter-spacing:.18em;color:var(--ink);text-transform:uppercase}
  .news-head .title-ja{margin-left:auto;font-family:"Yuji Syuku","Klee One",serif;font-size:22px;letter-spacing:.08em;color:var(--ink)}
  @media (max-width:560px){
    .news-head{flex-wrap:wrap;gap:10px}
    .news-head .title-ja{margin-left:0;font-size:18px}
  }

  .news-list{
    max-width:920px;margin:0 auto;list-style:none;padding:0;
    border-top:2px solid var(--ink);
  }
  .news-item{
    display:grid;grid-template-columns:110px auto 1fr;gap:20px;align-items:baseline;
    padding:18px 4px 18px;
    border-bottom:1px solid var(--hair);
  }
  .news-date{
    font-family:var(--mono);font-size:13px;letter-spacing:.06em;color:var(--sub);
    white-space:nowrap;padding-top:2px;
  }
  .news-tag{
    font-family:var(--mono);font-size:10px;letter-spacing:.14em;
    padding:2px 7px;line-height:1.4;white-space:nowrap;
    border:1px solid currentColor;text-transform:uppercase;
  }
  .news-tag.tag-new{color:var(--accent);background:transparent}
  .news-tag.tag-launch{color:#2E5A2A}
  .news-tag.tag-note{color:var(--sub)}

  .news-msg{display:flex;flex-direction:column;gap:3px;min-width:0}
  .news-title{
    font-family:"Noto Serif JP",serif;font-weight:500;
    font-size:15px;letter-spacing:.04em;line-height:1.5;color:var(--ink);
    display:inline-flex;align-items:baseline;gap:6px;flex-wrap:wrap;
  }
  a.news-title{border-bottom:1px solid var(--hair);padding-bottom:1px;align-self:flex-start}
  a.news-title:hover{border-bottom-color:var(--accent);color:var(--accent)}
  .news-arrow{font-family:var(--mono);color:var(--accent);font-size:13px;transition:transform .2s}
  a.news-title:hover .news-arrow{transform:translate(2px,-2px)}
  .news-sub{
    font-family:var(--gothic);font-weight:400;
    font-size:12px;line-height:1.75;color:var(--sub);letter-spacing:.04em;
  }

  @media (max-width:640px){
    .news-item{grid-template-columns:auto auto;gap:10px 10px}
    .news-msg{grid-column:1 / -1}
    .news-title{font-size:14px}
  }

  /* ---------- section divider ornament (pixel sprout + hairlines) ---------- */
  .ornament{
    display:flex;align-items:center;justify-content:center;gap:24px;
    padding:48px 48px;margin:0;
    background:var(--bg);
  }
  .ornament .line{
    flex:1;max-width:220px;height:1px;background:var(--hair);
  }
  .ornament .glyph{
    width:24px;height:24px;display:block;image-rendering:pixelated;
  }
  @media (max-width:720px){.ornament{padding:36px 24px;gap:16px}}

  /* ---------- footer (warm, cozy) ---------- */
  footer{
    padding:72px 48px 40px;
    background:var(--bg-warm);
    color:var(--ink);
    border-top:1px solid var(--hair);
    position:relative;overflow:hidden;
  }
  footer::before{
    /* warm tonal wash at top */
    content:"";position:absolute;inset:0;pointer-events:none;
    background:
      radial-gradient(900px 260px at 15% 0%, rgba(246,226,122,0.18), transparent 70%),
      radial-gradient(700px 260px at 88% 0%, rgba(192,57,43,0.06), transparent 70%);
  }
  @media (max-width:720px){footer{padding:56px 24px 32px}}
  .foot{display:flex;flex-direction:column;gap:36px;position:relative;z-index:1;max-width:1280px;margin:0 auto}
  .foot .mark{font-family:"Yuji Syuku","Klee One",serif;font-size:26px;color:var(--ink);line-height:1;letter-spacing:.02em;display:inline-block}
  .foot .mark .dot{color:var(--accent)}
  .foot nav{display:flex;gap:24px;font-family:"Yuji Syuku","Klee One",serif;font-size:14px;letter-spacing:.04em;color:var(--ink)}
  .foot nav a{position:relative;padding-bottom:3px;color:var(--ink);opacity:.85}
  .foot nav a:hover{color:var(--accent);opacity:1}
  .foot .row-top{display:flex;justify-content:space-between;align-items:center;width:100%;flex-wrap:wrap;gap:24px}
  /* decorative divider: sprout + double hairline */
  .foot .rule{
    position:relative;
    display:flex;align-items:center;justify-content:center;gap:18px;
    width:100%;
  }
  .foot .rule::before,
  .foot .rule::after{
    content:"";flex:1;height:1px;background:var(--hair);
  }
  .foot .rule .pip{
    width:8px;height:8px;background:var(--accent);
    transform:rotate(45deg);opacity:.55;
  }
  .foot .rule .pip.side{background:var(--seiji);opacity:.5}
  .foot hr{display:none}
  .foot .row-bot{
    display:flex;justify-content:space-between;align-items:center;width:100%;flex-wrap:wrap;gap:16px;
    font-family:"Klee One","Yuji Syuku",serif;font-size:12px;color:var(--sub);letter-spacing:.04em;
  }
  .foot .row-bot span{white-space:nowrap}
  .foot .row-bot .loc{display:inline-flex;align-items:center;gap:8px}
  .foot .row-bot .loc::before{content:"✿";color:var(--accent);font-size:13px}

  /* scroll hint */
  .scroll-hint{
    position:absolute;left:48px;bottom:32px;
    font-family:var(--mono);font-size:11px;color:var(--sub);
    letter-spacing:.08em;text-transform:uppercase;
    display:flex;align-items:center;gap:12px;
    writing-mode:vertical-rl;
  }
  .scroll-hint::after{content:"▼";writing-mode:horizontal-tb;font-size:10px;color:var(--accent);animation:blink 1.4s steps(2) infinite}
  @media (max-width:960px){.scroll-hint{display:none}}

  /* ---------- about page specific (kept) ---------- */
  .about-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:80px;align-items:start}
  @media (max-width:820px){.about-grid{grid-template-columns:1fr;gap:40px}}

  .about-lede{font-family:var(--mincho);font-weight:300;font-size:22px;line-height:2.1;letter-spacing:.08em;color:var(--ink)}
  .about-lede em{font-style:normal;color:var(--accent)}

  dl.company{display:grid;grid-template-columns:160px 1fr;row-gap:0}
  dl.company > div{display:contents}
  dl.company dt,dl.company dd{
    padding:22px 0;
    border-top:2px solid var(--ink);
    font-size:14px;
  }
  dl.company .row:last-child dt,dl.company .row:last-child dd{border-bottom:2px solid var(--ink)}
  dl.company dt{font-family:var(--mincho);color:var(--accent);font-weight:500;letter-spacing:.3em;font-size:15px}
  dl.company dd{font-family:var(--mincho);color:var(--ink);font-weight:400;letter-spacing:.06em;line-height:1.9;font-size:17px}
  dl.company dd .en{display:block;font-family:var(--mincho);color:var(--sub);font-size:13px;margin-top:4px;letter-spacing:.08em;font-weight:300}