/*
Theme Name: ARTEORION Child
Theme URI: https://www.arteorion.com/
Description: ARTEORION.com リニューアル用の子テーマ。フロントページのみ専用テンプレートで表示します。
Author: ARTEORION
Template: horizon_tcd093
Version: 0.1.0
Text Domain: arteorion-child
*/
:root{
    --bg:#f7f5f1; --surface:#ffffff; --surface-alt:#efece4; --border:#ddd8cc;
    --text:#20211f; --muted:#63645e; --accent:#9a6b2c; --accent-ink:#fbf5ec;
    --sans: -apple-system, "Hiragino Sans", "Yu Gothic", "Noto Sans JP", "Segoe UI", sans-serif;
    --serif: "Hiragino Mincho ProN", "Yu Mincho", "Georgia", serif;
    --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
  }
  @media (prefers-color-scheme: dark){
    :root{ --bg:#15171c; --surface:#1b1e24; --surface-alt:#20232a; --border:#2c2f37; --text:#eceae4; --muted:#9a9da8; --accent:#d9a35c; --accent-ink:#1b1500; }
  }
  :root[data-theme="dark"]{ --bg:#15171c; --surface:#1b1e24; --surface-alt:#20232a; --border:#2c2f37; --text:#eceae4; --muted:#9a9da8; --accent:#d9a35c; --accent-ink:#1b1500; }
  :root[data-theme="light"]{ --bg:#f7f5f1; --surface:#ffffff; --surface-alt:#efece4; --border:#ddd8cc; --text:#20211f; --muted:#63645e; --accent:#9a6b2c; --accent-ink:#fbf5ec; }

  *{box-sizing:border-box;}
  html,body{margin:0; padding:0;}
  body{background:var(--bg); color:var(--text); font-family:var(--sans); line-height:1.8; -webkit-font-smoothing:antialiased;}
  a{color:inherit;}
  img,canvas{max-width:100%;}

  .wrap{max-width:1040px; margin:0 auto; padding-left:6vw; padding-right:6vw;}
  @media (min-width:1200px){ .wrap{padding-left:0; padding-right:0;} }

  /* ---------- nav ---------- */
  header.site-nav{position:relative; z-index:3;}
  .navrow{display:flex; align-items:center; justify-content:space-between; padding:26px 6vw;}
  .navrow .mark{display:flex; align-items:center; gap:10px; font-family:var(--serif); font-size:16px; letter-spacing:.04em;}
  .navrow .mark canvas{flex:none; width:26px; height:26px;}
  .navrow .wordmark{display:inline-flex; flex-direction:column; line-height:1.3;}
  .navrow .byline{font-family:var(--mono); font-size:9.5px; letter-spacing:.1em; color:var(--muted); font-weight:400; margin-top:2px;}
  .navrow .right{display:flex; align-items:center; gap:26px;}
  .navrow .links{display:flex; align-items:center; gap:30px; font-size:13px; color:var(--muted);}
  .navrow .links a{text-decoration:none;}
  .navrow .links a:hover{color:var(--text);}
  .navrow .utils{display:flex; align-items:center; gap:8px;}
  .util-btn{font-family:var(--mono); font-size:11px; letter-spacing:.05em; color:var(--muted); background:none;
    border:1px solid var(--border); padding:6px 11px; cursor:pointer; border-radius:2px; line-height:1;}
  .util-btn:hover{color:var(--text); border-color:var(--text);}
  .util-btn[aria-pressed="true"]{color:var(--accent-ink); background:var(--accent); border-color:var(--accent);}
  @media (max-width:680px){ .navrow .links{display:none;} }

  /* ---------- hero ---------- */
  .hero{position:relative; overflow:hidden; background:var(--surface-alt);}
  .hero-inner{position:relative; z-index:2; padding:96px 6vw 110px; display:grid; grid-template-columns:1.15fr .85fr; gap:48px; align-items:center;}
  .eyebrow{font-family:var(--mono); font-size:11.5px; letter-spacing:.16em; text-transform:uppercase; color:var(--accent); margin:0 0 22px;}
  h1{font-size:clamp(30px,4.6vw,50px); line-height:1.42; font-weight:700; margin:0 0 26px; text-wrap:balance; letter-spacing:-.01em;}
  .hero p.lede{font-size:16px; color:var(--muted); max-width:46ch; margin:0 0 34px;}
  .cta-row{display:flex; gap:14px; flex-wrap:wrap;}
  .btn{display:inline-block; font-size:14px; padding:13px 26px; text-decoration:none; border-radius:2px; border:1px solid transparent;}
  .btn-primary{background:var(--accent); color:var(--accent-ink); font-weight:700;}
  .btn-ghost{border-color:var(--border); color:var(--text);}
  .hero-mark{display:flex; align-items:center; justify-content:center;}
  .hero-mark canvas{width:100%; max-width:280px; aspect-ratio:1;}
  @media (max-width:760px){ .hero-inner{grid-template-columns:1fr;} .hero-mark{order:-1; margin-bottom:8px;} .hero-mark canvas{max-width:180px;} }

  /* ---------- statement ---------- */
  .statement{padding:110px 6vw; text-align:center;}
  .statement .mark-row{display:flex; justify-content:center; margin-bottom:28px;}
  .statement .mark-row canvas{width:40px; height:40px;}
  .statement blockquote{font-family:var(--serif); font-size:clamp(22px,3.2vw,32px); line-height:1.85; font-weight:500; margin:0 auto; max-width:26ch; text-wrap:balance;}
  .statement .note{margin-top:26px; font-size:13.5px; color:var(--muted); max-width:50ch; margin-left:auto; margin-right:auto;}

  /* ---------- sections ---------- */
  section.block{padding:100px 6vw; max-width:1040px; margin:0 auto;}
  section.block + section.block{border-top:1px solid var(--border);}
  .block-head{max-width:56ch; margin-bottom:52px;}
  .block-head .eyebrow{margin-bottom:14px;}
  h2{font-size:clamp(22px,2.8vw,28px); margin:0 0 16px; font-weight:700; text-wrap:balance;}
  .block-head p{color:var(--muted); font-size:15px; margin:0;}

  .services{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--border); border:1px solid var(--border);}
  .service{background:var(--surface); padding:32px 30px;}
  .service .idx{font-family:var(--mono); font-size:11px; color:var(--accent); margin-bottom:16px;}
  .service h3{font-size:17px; margin:0 0 12px;}
  .service p{font-size:14px; color:var(--muted); margin:0; line-height:1.85;}
  @media (max-width:680px){ .services{grid-template-columns:1fr;} }

  .roadmap{margin-top:8px;}
  .roadmap-label{font-family:var(--mono); font-size:11.5px; letter-spacing:.08em; color:var(--muted); margin-bottom:28px;}
  .steps{display:grid; grid-template-columns:repeat(4,1fr); position:relative;}
  .steps::before{content:""; position:absolute; top:6px; left:0; right:0; height:1px; background:var(--border);}
  .step{padding-top:28px; position:relative; padding-right:20px;}
  .step::before{content:""; position:absolute; top:0; left:0; width:13px; height:13px; border-radius:50%; background:var(--surface); border:2px solid var(--accent);}
  .step h4{font-size:14.5px; margin:0 0 8px;}
  .step p{font-size:13px; color:var(--muted); margin:0; line-height:1.75;}
  @media (max-width:680px){ .steps{grid-template-columns:repeat(2,1fr); row-gap:32px;} }

  .company{display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start;}
  dl.facts{margin:0; display:grid; grid-template-columns:auto 1fr; gap:16px 22px; font-size:14.5px;}
  dl.facts dt{color:var(--muted); font-family:var(--mono); font-size:11px; letter-spacing:.05em; white-space:nowrap; padding-top:2px;}
  dl.facts dd{margin:0;}
  @media (max-width:680px){ .company{grid-template-columns:1fr; gap:32px;} }

  /* ---------- 画像・動画スロット（実素材が届くまではプレースホルダー表示） ---------- */
  .media{position:relative; aspect-ratio:16/10; overflow:hidden; background:var(--surface-alt); border:1px solid var(--border);}
  .media .media-fill{position:absolute; inset:0; width:100%; height:100%; object-fit:cover; display:block;}
  .media .placeholder{position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:10px;
    color:var(--muted); font-family:var(--mono); font-size:11px; letter-spacing:.05em; text-align:center; padding:20px; opacity:1; transition:opacity .4s ease;}
  .media.media-ready .placeholder{opacity:0; pointer-events:none;}
  .media--wide{aspect-ratio:21/9;}

  .cta-block{text-align:center; background:var(--surface-alt);}
  .cta-block h2{margin-bottom:16px;}
  .cta-block p{color:var(--muted); font-size:15px; max-width:44ch; margin:0 auto 32px;}

  footer{padding:44px 6vw; font-family:var(--mono); font-size:11px; color:var(--muted); display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; border-top:1px solid var(--border);}