/* ════════════════════════════════════════════════════════
   Coase Official Site — Shared Stylesheet (refined)
   落ち着いたエンタープライズ・トーン：
   ・見出しは単色／ウェイト700まで
   ・装飾は枠線と余白で構成、影とグラデーションは最小限
   ・日本語は palt で詰める
   ════════════════════════════════════════════════════════ */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --primary:#1a56db;
  --primary-dark:#1743ae;
  --primary-light:#3b82f6;
  --primary-bg:#f4f7fd;
  --primary-bg2:#e9effc;
  --ink:#15181e;
  --bg-white:#ffffff;
  --bg-gray:#f7f8fa;
  --bg-dark:#101828;
  --text-dark:#15181e;
  --text-body:#3a3f4a;
  --text-sub:#646b78;
  --text-light:#9aa1ad;
  --border:#e5e7ec;
  --border-light:#eef0f4;
  --danger:#d92d20;
  --success:#079455;
  --warn:#dc6803;
  --radius:12px;
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%;overflow-x:hidden}
body{
  font-family:'Noto Sans JP','Inter',-apple-system,sans-serif;
  background:var(--bg-white);color:var(--text-dark);
  font-size:15.5px;line-height:1.85;overflow-x:hidden;
  font-feature-settings:"palt" 1;
  -webkit-font-smoothing:antialiased;
}

/* ── ページ遷移 ── */
@keyframes page-fade{from{opacity:0}to{opacity:1}}
.page-enter{animation:page-fade .35s ease both}

.container{max-width:1080px;margin:0 auto;padding:0 24px}

/* ─── Sections ─── */
.sec{padding:96px 0;position:relative}
.sec-gray{background:var(--bg-gray)}
.sec-dark{background:var(--bg-dark);color:#fff}
.sec-dark .sec-sub{color:rgba(255,255,255,.66)}
.sec-dark .sec-title{color:#fff}
.sec-dark .sec-label{color:#8aabf0}

.sec-header{text-align:center;margin-bottom:52px}
.sec-label{display:inline-flex;align-items:center;gap:9px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);margin-bottom:10px}
.sec-label::before,.sec-label::after{content:"";width:18px;height:1px;background:currentColor;opacity:.5}
.sec-title{font-size:clamp(25px,3.2vw,36px);font-weight:700;line-height:1.5;letter-spacing:-.01em;margin-bottom:14px;color:var(--text-dark)}
.sec-title em{font-style:normal;color:inherit}
.sec-sub{font-size:15.5px;color:var(--text-sub);max-width:640px;margin:0 auto;line-height:1.95}

/* ─── Buttons ─── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:8px;font-size:14.5px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .18s,border-color .18s,color .18s;font-family:inherit;letter-spacing:.01em}
.btn-p{background:var(--primary);color:#fff}
.btn-p:hover{background:var(--primary-dark)}
.btn-o{background:#fff;color:var(--text-dark);border-color:var(--border)}
.btn-o:hover{border-color:#c6cbd4;color:var(--text-dark)}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:7px}
.btn-lg{padding:14px 32px;font-size:15px;border-radius:9px}

/* ═══════ NAV ═══════
   最上部＝透明（ダークヒーローと一体化）／スクロール＝白ガラス */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:0;background:transparent;border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{display:flex;align-items:center;height:46px}
.nav-logo img,.nav-logo svg{height:100%;width:auto;display:block;filter:brightness(0) invert(1);transition:filter .25s ease}
.nav-logo .wordmark{font-size:21px;font-weight:700;color:#fff;letter-spacing:-.02em;transition:color .25s ease}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{font-size:13.5px;color:#b9c5da;text-decoration:none;font-weight:500;transition:color .18s}
.nav-links a:hover{color:#fff}
.nav-links a.is-active{color:#fff;font-weight:600}
.nav-links .btn{color:#fff;margin-left:6px}
.nav.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom-color:var(--border-light)}
.nav.scrolled .nav-logo img,.nav.scrolled .nav-logo svg{filter:none}
.nav.scrolled .wordmark{color:var(--primary)}
.nav.scrolled .nav-links a{color:var(--text-body)}
.nav.scrolled .nav-links a:hover{color:var(--text-dark)}
.nav.scrolled .nav-links a.is-active{color:var(--primary)}
.nav.scrolled .nav-links .btn-p{color:#fff}
/* ハンバーガー（タブレット・モバイル） */
.nav-burger{display:none;align-items:center;justify-content:center;width:42px;height:42px;background:transparent;border:0;cursor:pointer;color:#e8eef9;padding:0}
.nav.scrolled .nav-burger{color:var(--text-dark)}
.nav-burger i{display:block;width:18px;height:2px;background:currentColor;border-radius:1px;position:relative;transition:background .2s}
.nav-burger i::before,.nav-burger i::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:1px;transition:transform .25s,top .25s}
.nav-burger i::before{top:-6px}
.nav-burger i::after{top:6px}
.nav.open .nav-burger i{background:transparent}
.nav.open .nav-burger i::before{top:0;transform:rotate(45deg)}
.nav.open .nav-burger i::after{top:0;transform:rotate(-45deg)}
html.tablet .nav-burger,html.mobile .nav-burger{display:inline-flex}
/* 開いたメニュー（ダークパネル＝世界観を継続） */
html.tablet .nav.open .nav-links,html.mobile .nav.open .nav-links{
  display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
  background:#0d1526;border-bottom:1px solid rgba(148,163,184,.16);padding:6px 0 16px;
}
html.tablet .nav.open .nav-links a:not(.btn),html.mobile .nav.open .nav-links a:not(.btn){
  display:block;padding:14px 24px;color:#dbe4f4;font-size:15px;font-weight:500;border-bottom:1px solid rgba(148,163,184,.08);
}
html.tablet .nav.open .nav-links a.is-active,html.mobile .nav.open .nav-links a.is-active{color:#fff}
html.tablet .nav.open .nav-links .btn,html.mobile .nav.open .nav-links .btn{margin:14px 24px 0;display:flex}

/* フォーカス可視化（キーボード操作） */
a:focus-visible,button:focus-visible,.btn:focus-visible{outline:2px solid var(--primary-light);outline-offset:2px;border-radius:4px}
/* アンカー着地位置（固定ナビ分の余白） */
section[id]{scroll-margin-top:76px}
::selection{background:#cfe0ff;color:#15181e}

/* ═══════ HERO ═══════
   世界観：「AIの管制室」— ダークネイビー＋微細グリッド＋青の残光 */
.hero{
  padding:150px 0 92px;position:relative;overflow:hidden;color:#9fb0c9;
  background:
    radial-gradient(900px 480px at 76% 34%,rgba(47,98,255,.20),transparent 62%),
    radial-gradient(600px 300px at 12% 88%,rgba(47,98,255,.08),transparent 60%),
    linear-gradient(180deg,#0a1120 0%,#0c1424 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(148,163,184,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.06) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(120% 90% at 60% 20%,#000 40%,transparent 78%);
  mask-image:radial-gradient(120% 90% at 60% 20%,#000 40%,transparent 78%);
}
.hero-inner{display:grid;grid-template-columns:5fr 6fr;gap:56px;align-items:center;position:relative;z-index:1}
.hero-inner>*{min-width:0}
.hero-badge{display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:100px;background:rgba(122,162,255,.08);border:1px solid rgba(122,162,255,.26);font-size:12px;color:#a9c2ff;font-weight:600;letter-spacing:.04em;margin-bottom:24px}
.hero-badge::before{content:"";width:5px;height:5px;border-radius:50%;background:#5b8cff}
.hero h1{font-size:clamp(30px,4.1vw,47px);font-weight:700;line-height:1.36;letter-spacing:-.02em;margin-bottom:20px;color:#fff}
.hero h1 em{font-style:normal;color:inherit}
.hero h1 .nb,.hero h1 em{white-space:nowrap}
.hero-sub{font-size:15.5px;color:#9fb0c9;line-height:2;margin-bottom:30px;max-width:460px}
.hero-sub strong{color:#d7e2f5;font-weight:600}
.hero-ctas{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.hero .btn-o{background:transparent;color:#e6ecf7;border-color:rgba(148,163,184,.34)}
.hero .btn-o:hover{border-color:rgba(226,236,250,.7);color:#fff}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px}
.hero-chips .hc{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:#93a5c1;background:rgba(255,255,255,.02);border:1px solid rgba(148,163,184,.2);border-radius:6px;padding:5px 11px;line-height:1.5}
.hero-chips .hc b{color:#d7e2f5;font-weight:600}
html.tablet .hero-chips{justify-content:center}
html.mobile .hero-chips{gap:2vw}
html.mobile .hero-chips .hc{font-size:3.2vw;padding:1.4vw 3vw;border-radius:1.6vw}

/* ── Page hero（サブページも同じ管制室の世界観）── */
.page-hero{
  padding:132px 0 60px;position:relative;text-align:center;overflow:hidden;
  background:
    radial-gradient(700px 360px at 50% -10%,rgba(47,98,255,.18),transparent 62%),
    linear-gradient(180deg,#0a1120 0%,#0c1424 100%);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(148,163,184,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.06) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(100% 100% at 50% 0%,#000 30%,transparent 80%);
  mask-image:radial-gradient(100% 100% at 50% 0%,#000 30%,transparent 80%);
}
.page-hero .container{position:relative;z-index:1}
.page-hero .crumbs{font-size:12.5px;color:#64748b;margin-bottom:14px}
.page-hero .crumbs a{color:#8ea4c8;text-decoration:none}
.page-hero .crumbs a:hover{color:#c8d6ee}
.page-hero h1{font-size:clamp(26px,3.4vw,38px);font-weight:700;line-height:1.45;letter-spacing:-.01em;color:#fff;margin-bottom:14px}
.page-hero h1 em{font-style:normal;color:inherit}
.page-hero p{font-size:15.5px;color:#9fb0c9;max-width:660px;margin:0 auto;line-height:1.95}
.page-hero .btn-o{background:transparent;color:#e6ecf7;border-color:rgba(148,163,184,.34)}
.page-hero .btn-o:hover{border-color:rgba(226,236,250,.7);color:#fff}

/* ═══════ Trust strip ═══════ */
.trust{background:#fff;border-bottom:1px solid var(--border-light);padding:22px 0}
.trust-inner{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px 36px}
.trust-label{font-size:12px;font-weight:600;color:var(--text-light);letter-spacing:.05em}
.trust-models{display:flex;flex-wrap:wrap;gap:8px 26px;align-items:center}
.trust-models span{font-size:13.5px;font-weight:600;color:#8b93a3}

/* ═══════ 数字帯（ヒーロー直下・管制室の続き）═══════ */
.statband{background:#0c1424;border-top:1px solid rgba(148,163,184,.1);padding:34px 0;position:relative}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;position:relative}
.st{position:relative}
.st+.st::before{content:"";position:absolute;left:-10px;top:12%;bottom:12%;width:1px;background:rgba(148,163,184,.14)}
.st b{display:block;font-size:32px;font-weight:700;color:#fff;letter-spacing:-.02em;line-height:1.2;font-variant-numeric:tabular-nums}
.st b i{font-style:normal;font-size:15px;font-weight:600;color:#8ea4c8;margin-left:2px}
.st span{display:block;margin-top:4px;font-size:12.5px;color:#8ea4c8}
html.tablet .stat-grid{grid-template-columns:repeat(2,1fr)}
html.mobile .statband{padding:8vw 0}
html.mobile .stat-grid{grid-template-columns:repeat(2,1fr);gap:5vw 3vw}
html.mobile .st b{font-size:7vw}
html.mobile .st b i{font-size:3.4vw}
html.mobile .st span{font-size:3.1vw}

/* model chips */
.models-row{display:flex;flex-wrap:wrap;gap:10px 12px;justify-content:center;max-width:760px;margin:0 auto}
.model-chip{background:#fff;border:1px solid var(--border);border-radius:8px;padding:9px 18px;font-size:14px;font-weight:600;color:var(--text-body)}
.model-chip.featured{border-color:var(--primary);color:var(--primary)}

/* ═══════ 汎用カード（pillar）═══════ */
.pillar-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:12px}
.pillar-card{background:#fff;border-radius:var(--radius);border:1px solid var(--border);padding:30px 28px;transition:border-color .18s;display:flex;flex-direction:column;gap:12px}
.pillar-card:hover{border-color:#c9cfda}
.pillar-ico{width:42px;height:42px;border-radius:10px;background:var(--primary-bg2);color:var(--primary);display:flex;align-items:center;justify-content:center}
.pillar-ico svg{width:21px;height:21px;stroke-width:1.8}
.pillar-card h3{font-size:17.5px;font-weight:700;line-height:1.5;letter-spacing:-.005em}
.pillar-card .pillar-lead{font-size:14px;color:var(--text-sub);line-height:1.9;flex:1}
.pillar-card .pillar-points{list-style:none;padding:0;margin-top:4px;border-top:1px solid var(--border-light)}
.pillar-card .pillar-points li{padding:9px 0;border-bottom:1px solid var(--border-light);font-size:13.5px;color:var(--text-body);line-height:1.6;display:flex;gap:8px}
.pillar-card .pillar-points li:last-child{border-bottom:none}
.pillar-card .pillar-points li::before{content:"✓";color:var(--primary);font-weight:700;flex-shrink:0}

/* ═══════ 機能モジュール ═══════ */
.feat-group{margin-bottom:44px}
.feat-group:last-child{margin-bottom:0}
.feat-group-head{display:flex;align-items:baseline;gap:12px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.feat-group-head h3{font-size:17px;font-weight:700;color:var(--text-dark)}
.feat-group-head span{font-size:13px;color:var(--text-sub)}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.feat-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:22px;transition:border-color .18s}
.feat-card:hover{border-color:#c9cfda}
.feat-card .feat-ico{width:34px;height:34px;border-radius:8px;background:var(--primary-bg2);color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:13px}
.feat-card .feat-ico svg{width:17px;height:17px;stroke-width:1.8}
.feat-card h4{font-size:14.5px;font-weight:700;margin-bottom:7px;line-height:1.5;letter-spacing:-.005em}
.feat-card p{font-size:13px;color:var(--text-sub);line-height:1.85}

/* ═══════ ユースケース table ═══════ */
.uc-table{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#fff}
.uc-row{display:grid;grid-template-columns:170px 1.2fr 1.4fr;border-bottom:1px solid var(--border-light)}
.uc-row:last-child{border-bottom:none}
.uc-row.uc-head .uc-cell{background:var(--bg-gray);font-size:12px;font-weight:700;color:var(--text-sub);letter-spacing:.05em;padding:12px 22px}
.uc-cell{padding:18px 22px;font-size:14px;color:var(--text-body);line-height:1.7;display:flex;align-items:center}
.uc-cell.uc-dept{font-weight:700;color:var(--text-dark);gap:10px}
.uc-cell.uc-impact{color:var(--text-dark);font-weight:600}
.uc-dept .uc-dot{width:6px;height:6px;border-radius:50%;background:var(--primary);flex-shrink:0}

/* ═══════ Steps ═══════ */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}
.step-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px 26px;position:relative}
.step-card .step-num{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;background:var(--primary-bg2);color:var(--primary);font-size:14px;font-weight:700;margin-bottom:14px}
.step-card h3{font-size:16px;font-weight:700;margin-bottom:9px;line-height:1.5}
.step-card p{font-size:13.5px;color:var(--text-sub);line-height:1.9}

/* ═══════ Security ═══════ */
.sectrust-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:8px}
.sectrust-card{display:flex;gap:16px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.09);border-radius:var(--radius);padding:24px 26px}
.sectrust-card .st-ico{width:38px;height:38px;border-radius:9px;background:rgba(138,171,240,.14);color:#8aabf0;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.sectrust-card .st-ico svg{width:18px;height:18px;stroke-width:1.8}
.sectrust-card h3{font-size:15.5px;font-weight:700;margin-bottom:6px;color:#fff}
.sectrust-card p{font-size:13px;color:rgba(255,255,255,.6);line-height:1.85}
.sectrust-grid.light .sectrust-card{background:#fff;border:1px solid var(--border)}
.sectrust-grid.light .st-ico{background:var(--primary-bg2);color:var(--primary)}
.sectrust-grid.light .sectrust-card h3{color:var(--text-dark)}
.sectrust-grid.light .sectrust-card p{color:var(--text-sub)}

/* ═══════ Story cards ═══════ */
.story-stack{display:flex;flex-direction:column;gap:16px;margin-top:20px}
.story-card{background:#fff;border-radius:var(--radius);border:1px solid var(--border);padding:32px 36px;transition:border-color .18s}
.story-card:hover{border-color:#c9cfda}
.story-card.featured{border-color:#b8c8ea}
.story-head{margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--border-light)}
.story-persona{display:inline-block;font-size:12px;font-weight:600;color:var(--primary);margin-bottom:6px;letter-spacing:.03em}
.story-title{font-size:18.5px;font-weight:700;line-height:1.55;color:var(--text-dark);letter-spacing:-.005em}
.story-chapters{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.story-before,.story-after{padding:2px 0}
.story-label{display:block;font-size:11.5px;font-weight:700;color:var(--text-light);letter-spacing:.08em;margin-bottom:9px;text-transform:uppercase}
.story-after .story-label{color:var(--primary)}
.story-before p,.story-after p{font-size:13.5px;line-height:1.95;color:var(--text-sub);margin-bottom:10px}
.story-after p{color:var(--text-body)}
.story-before p:last-of-type,.story-after p:last-of-type{margin-bottom:0}
.supervisor-flow{display:flex;flex-wrap:wrap;align-items:center;gap:7px;background:var(--bg-gray);border-radius:8px;padding:14px;margin-top:12px}
.sf-node{font-size:12px;font-weight:600;color:var(--text-body);background:#fff;border:1px solid var(--border);padding:6px 11px;border-radius:6px}
.sf-arrow{color:var(--text-light);font-size:13px}
.sf-supervisor{font-size:12px;font-weight:700;color:#fff;background:var(--bg-dark);padding:7px 13px;border-radius:6px}

/* ═══════ 比較テーブル ═══════ */
.comp-table{margin-top:8px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:#fff}
.comp-row{display:grid;grid-template-columns:140px 1fr 1fr;border-bottom:1px solid var(--border-light)}
.comp-row:last-child{border-bottom:none}
.comp-cell{padding:16px 20px;font-size:13.5px;color:var(--text-sub);display:flex;align-items:center;justify-content:flex-start;line-height:1.75}
.comp-row .comp-cell:last-child{color:var(--text-dark);background:var(--primary-bg)}
.comp-header .comp-cell{font-weight:700;color:var(--text-sub);font-size:12px;background:var(--bg-gray);letter-spacing:.05em;padding:12px 20px}
.comp-header .comp-cell:last-child{background:var(--bg-dark);color:#fff}

/* ═══════ FAQ ═══════ */
.faq-list{max-width:760px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border);padding:22px 0}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-q{font-size:15.5px;font-weight:600;display:flex;align-items:flex-start;gap:12px;line-height:1.65;color:var(--text-dark)}
.faq-q::before{content:'Q';display:flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:7px;flex-shrink:0;background:var(--primary-bg2);color:var(--primary);font-size:12px;font-weight:700;margin-top:1px}
.faq-a{font-size:14px;color:var(--text-sub);line-height:1.95;margin-top:10px;padding-left:38px}

/* ═══════ 会社情報 ═══════ */
.company-card{max-width:720px;margin:0 auto;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.company-row{display:grid;grid-template-columns:180px 1fr;border-bottom:1px solid var(--border-light)}
.company-row:last-child{border-bottom:none}
.company-row dt{padding:17px 24px;background:var(--bg-gray);font-size:13px;font-weight:600;color:var(--text-sub)}
.company-row dd{padding:17px 24px;font-size:14px;color:var(--text-body);line-height:1.8}

/* ═══════ ページ末リンクカード ═══════ */
.next-links{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:8px}
.next-card{display:block;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px 24px;text-decoration:none;transition:border-color .18s}
.next-card:hover{border-color:#c9cfda}
.next-card .nc-label{font-size:11px;font-weight:700;color:var(--primary);letter-spacing:.1em;text-transform:uppercase}
.next-card h3{font-size:16px;font-weight:700;color:var(--text-dark);margin:8px 0 6px}
.next-card p{font-size:13px;color:var(--text-sub);line-height:1.8}
.next-card .nc-arrow{margin-top:12px;font-size:13px;font-weight:600;color:var(--primary)}

/* ═══════ CTA帯 ═══════ */
.cta-band{
  padding:92px 0;text-align:center;color:#fff;position:relative;overflow:hidden;
  background:
    radial-gradient(700px 380px at 50% 0%,rgba(47,98,255,.22),transparent 62%),
    linear-gradient(180deg,#0a1120 0%,#0c1424 100%);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(148,163,184,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.05) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(90% 100% at 50% 0%,#000 30%,transparent 80%);
  mask-image:radial-gradient(90% 100% at 50% 0%,#000 30%,transparent 80%);
}
.cta-band .container{position:relative;z-index:1}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;letter-spacing:-.01em;margin-bottom:14px}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.62);max-width:min(560px,90%);margin:0 auto 32px;line-height:2}
.cta-band .cta-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.cta-band .btn-white{background:#fff;color:var(--text-dark);font-weight:600}
.cta-band .btn-white:hover{background:#e9edf4}
.cta-band .btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.28)}
.cta-band .btn-ghost:hover{border-color:rgba(255,255,255,.55)}
.cta-note{margin-top:18px;font-size:12.5px;color:rgba(255,255,255,.45)}

/* ─── Footer ─── */
.footer{background:#fff;border-top:1px solid var(--border);color:var(--text-sub);padding:56px 0 36px}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
.footer-brand .wordmark{font-size:19px;font-weight:700;color:var(--text-dark);letter-spacing:-.02em;display:block;margin-bottom:12px}
.footer-brand img{height:32px;width:auto;display:block;margin-bottom:14px}
.footer-brand p{font-size:12.5px;line-height:1.9;color:var(--text-sub);max-width:320px}
.footer-col h4{font-size:12px;font-weight:700;color:var(--text-dark);margin-bottom:14px;letter-spacing:.06em}
.footer-col a{display:block;font-size:13px;color:var(--text-sub);text-decoration:none;margin-bottom:10px;transition:color .18s}
.footer-col a:hover{color:var(--text-dark)}
.footer-bottom{border-top:1px solid var(--border-light);padding-top:22px;font-size:11.5px;color:var(--text-light);line-height:2}

/* ═══════ How it works: 4ステップ ═══════ */
.how4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:8px}
.how-step{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 22px;position:relative}
.how-step .hs-num{display:block;font-size:28px;font-weight:700;color:#d3ddf0;letter-spacing:-.02em;line-height:1;margin-bottom:12px;font-variant-numeric:tabular-nums}
.how-step .hs-num::before{content:"0"}
.how-step h3{font-size:15px;font-weight:700;margin-bottom:8px;line-height:1.5}
.how-step p{font-size:13px;color:var(--text-sub);line-height:1.85}
.loop-note{text-align:center;margin-top:20px;font-size:13px;color:var(--text-sub)}
.loop-note b{color:var(--text-dark);font-weight:600}

/* ベネフィット（3列） */
.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}

/* 準備中ブロック */
.cs-wrap{border:1px solid var(--border);border-radius:var(--radius);background:#fff;padding:44px 32px;text-align:center}
.sec-gray .cs-wrap{background:#fff}
.cs-badge{display:inline-flex;align-items:center;gap:8px;background:var(--bg-gray);border:1px solid var(--border);padding:8px 18px;border-radius:8px;font-size:14px;font-weight:600;color:var(--text-body)}
.cs-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--warn)}
.cs-note{margin-top:14px;font-size:13.5px;color:var(--text-sub);line-height:1.9;max-width:520px;margin-left:auto;margin-right:auto}

/* 事例カード */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:24px}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 22px}
.case-card .cc-dept{font-size:12px;font-weight:600;color:var(--text-sub);letter-spacing:.02em}
.case-card .cc-metric{font-size:26px;font-weight:700;color:var(--text-dark);line-height:1.2;margin:10px 0 6px;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.case-card p{font-size:12.5px;color:var(--text-sub);line-height:1.75}

/* 規約・文書ページ */
.prose{max-width:720px;margin:0 auto}
.prose h2{font-size:17px;font-weight:700;color:var(--text-dark);margin:34px 0 10px}
.prose h2:first-child{margin-top:0}
.prose p{font-size:14px;color:var(--text-body);line-height:2;margin-bottom:14px}
.prose ul{margin:0 0 14px 1.2em}
.prose li{font-size:14px;color:var(--text-body);line-height:1.95}
.prose .doc-meta{font-size:12.5px;color:var(--text-light);margin-bottom:24px}

/* ═══════ 3大フック ═══════ */
.hook-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}
.hook-card{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:30px 28px;transition:border-color .18s}
.hook-card:hover{border-color:#c9cfda}
.hook-card .hk-ico{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--hook-bg,var(--primary-bg2));color:var(--hook,var(--primary));margin-bottom:16px}
.hook-card .hk-ico svg{width:20px;height:20px;stroke-width:1.8}
.hook-card .hk-k{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-light)}
.hook-card h3{font-size:18px;font-weight:700;margin:5px 0 10px;line-height:1.45;letter-spacing:-.005em}
.hook-card p{font-size:13.5px;color:var(--text-sub);line-height:1.9}
.hook-card .hk-tag{display:inline-block;margin-top:14px;font-size:12px;font-weight:600;color:var(--text-body);background:var(--bg-gray);border:1px solid var(--border-light);padding:4px 10px;border-radius:6px}
.hook-card.q{--hook:#079455;--hook-bg:#eaf6f0}
.hook-card.p{--hook:#d92d20;--hook-bg:#fbedec}
.hook-card.c{--hook:#1a56db;--hook-bg:#e9effc}

/* AI導入支援 誘導バンド */
.lead-band{background:var(--bg-dark);border-radius:14px;padding:44px 48px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;color:#fff}
.lead-band .lb-label{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#8aabf0;margin-bottom:10px}
.lead-band h3{font-size:21px;font-weight:700;line-height:1.5;margin-bottom:10px;letter-spacing:-.005em}
.lead-band p{font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.9;max-width:560px}
.lead-band .btn-white{background:#fff;color:var(--text-dark);white-space:nowrap}
.lead-band .btn-white:hover{background:#e9edf4}

/* Before → After */
.ba-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:8px}
.ba-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.ba-card .ba-dept{font-size:13px;font-weight:700;color:var(--text-dark);margin-bottom:13px;display:flex;align-items:center;gap:8px}
.ba-card .ba-dept .ba-dot{width:6px;height:6px;border-radius:50%;background:var(--primary)}
.ba-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;line-height:1.75;margin-bottom:9px}
.ba-row:last-child{margin-bottom:0}
.ba-row .ba-k{flex-shrink:0;width:52px;font-weight:600;font-size:11px;padding:3px 0;text-align:center;border-radius:5px}
.ba-row.before .ba-k{background:var(--bg-gray);color:var(--text-sub)}
.ba-row.after .ba-k{background:#eaf6f0;color:var(--success)}
.ba-row .ba-t{color:var(--text-sub)}
.ba-row.after .ba-t{color:var(--text-body)}

/* 伴走ステップ */
.flow-list{max-width:720px;margin:8px auto 0}
.flow-item{display:grid;grid-template-columns:44px 1fr;gap:18px;padding:0 0 26px;position:relative}
.flow-item:last-child{padding-bottom:0}
.flow-item::before{content:"";position:absolute;left:21px;top:42px;bottom:-4px;width:1px;background:var(--border)}
.flow-item:last-child::before{display:none}
.flow-num{width:42px;height:42px;border-radius:10px;background:var(--primary-bg2);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;z-index:1}
.flow-body h3{font-size:16px;font-weight:700;margin-bottom:5px;padding-top:8px}
.flow-body p{font-size:13.5px;color:var(--text-sub);line-height:1.9}

/* ════════════════ Responsive: タブレット ════════════════ */
html.tablet .container{padding:0 24px}
html.tablet .sec{padding:68px 0}
html.tablet .sec-header{margin-bottom:38px}
html.tablet .nav-links a:not(.btn){display:none}
html.tablet .hero{padding:112px 0 56px}
html.tablet .hero-inner{grid-template-columns:minmax(0,1fr);gap:36px}
html.tablet .hero-sub{max-width:none}
html.tablet .page-hero{padding:104px 0 46px}
html.tablet .pillar-grid,html.tablet .step-grid,html.tablet .sectrust-grid,html.tablet .next-links,html.tablet .hook-grid,html.tablet .ba-grid,html.tablet .benefit-grid,html.tablet .case-grid{grid-template-columns:1fr}
html.tablet .feat-grid{grid-template-columns:repeat(2,1fr)}
html.tablet .how4{grid-template-columns:repeat(2,1fr)}
html.tablet .uc-row{grid-template-columns:130px 1fr 1fr;font-size:13.5px}
html.tablet .comp-row{grid-template-columns:100px 1fr 1fr}
html.tablet .story-card{padding:26px 24px}
html.tablet .story-chapters{grid-template-columns:1fr;gap:18px}
html.tablet .supervisor-flow{justify-content:center}
html.tablet .footer-top{grid-template-columns:1fr 1fr}
html.tablet .cta-band{padding:64px 0}
html.tablet .lead-band{grid-template-columns:1fr;padding:36px}

/* ════════════════ Responsive: スマホ ════════════════ */
html.mobile body{font-size:4vw;line-height:1.8;letter-spacing:0}
html.mobile .container{padding:0 4.6vw;max-width:100%}
html.mobile .sec{padding:14vw 0}
html.mobile .sec-header{margin-bottom:8vw;text-align:left}
html.mobile .sec-label{font-size:2.9vw;letter-spacing:.12em;margin-bottom:2.4vw}
html.mobile .sec-title{font-size:5.5vw;line-height:1.45;margin-bottom:3.4vw}
html.mobile .sec-sub{font-size:3.7vw;line-height:1.8;max-width:none}

html.mobile .nav .container{height:14.4vw}
html.mobile .nav-logo{height:9.8vw}
html.mobile .nav-logo .wordmark{font-size:5.4vw}
html.mobile .nav-links{gap:0}
html.mobile .nav-links a:not(.btn){display:none}
html.mobile .nav-links .btn-sm{padding:2.4vw 4.6vw;font-size:3.4vw;border-radius:1.8vw}
html.mobile .nav-links .btn-o{display:none}

html.mobile .hero{padding:21vw 0 11vw}
html.mobile .hero-inner{grid-template-columns:minmax(0,1fr);gap:0;text-align:center}
html.mobile .hero-badge{font-size:3vw;padding:1.3vw 3.2vw;margin-bottom:3.8vw}
html.mobile .hero h1{font-size:6vw;line-height:1.48;margin-bottom:3.8vw}
html.mobile .hero-sub{font-size:3.7vw;line-height:1.8;margin-bottom:6.4vw;text-align:left;max-width:none}
html.mobile .hero-ctas{flex-direction:column;gap:2.8vw}
html.mobile .hero-ctas .btn{width:100%;font-size:3.9vw;padding:3.6vw 6vw;min-height:12.4vw;border-radius:2.2vw}
html.mobile .hero-chips{justify-content:flex-start;margin-top:4.4vw}

html.mobile .page-hero{padding:22vw 0 10vw;text-align:left}
html.mobile .page-hero h1{font-size:6vw;line-height:1.45}
html.mobile .page-hero p{font-size:3.7vw;max-width:none}
html.mobile .page-hero .crumbs{font-size:2.9vw}

html.mobile .btn{font-size:3.9vw;padding:3.4vw 6vw;min-height:11.8vw;border-radius:2vw}
html.mobile .btn-sm{padding:2.4vw 4.6vw;font-size:3.4vw;min-height:10.4vw}
html.mobile .btn-lg{padding:3.8vw 6vw;font-size:3.9vw;width:100%;min-height:12.8vw;border-radius:2.2vw}

html.mobile .trust{padding:5.4vw 0}
html.mobile .trust-inner{gap:2.6vw 5.6vw}
html.mobile .trust-models span{font-size:3.5vw}
html.mobile .models-row{gap:2.4vw}
html.mobile .model-chip{font-size:3.4vw;padding:2.2vw 4.2vw}

html.mobile .pillar-grid{grid-template-columns:1fr;gap:3vw;margin-top:2vw}
html.mobile .pillar-card{padding:5vw;border-radius:2.6vw;gap:2.6vw}
html.mobile .pillar-ico{width:10vw;height:10vw;border-radius:2.4vw}
html.mobile .pillar-ico svg{width:5vw;height:5vw}
html.mobile .pillar-card h3{font-size:4.4vw;line-height:1.45}
html.mobile .pillar-card .pillar-lead{font-size:3.6vw;line-height:1.75}
html.mobile .pillar-card .pillar-points li{font-size:3.4vw;padding:2.4vw 0}

html.mobile .feat-group{margin-bottom:9vw}
html.mobile .feat-group-head{flex-direction:column;gap:1vw;align-items:flex-start;margin-bottom:3.6vw;padding-bottom:2.8vw}
html.mobile .feat-group-head h3{font-size:4.5vw}
html.mobile .feat-group-head span{font-size:3.3vw}
html.mobile .feat-grid{grid-template-columns:1fr;gap:3vw}
html.mobile .feat-card{padding:4.8vw;border-radius:2.4vw}
html.mobile .feat-card .feat-ico{width:9vw;height:9vw;border-radius:2.2vw;margin-bottom:2.8vw}
html.mobile .feat-card .feat-ico svg{width:4.6vw;height:4.6vw}
html.mobile .feat-card h4{font-size:4vw}
html.mobile .feat-card p{font-size:3.5vw;line-height:1.8}

html.mobile .uc-table{border:none;background:transparent}
html.mobile .uc-row.uc-head{display:none}
html.mobile .uc-row{grid-template-columns:1fr;border:1px solid var(--border);border-radius:2.4vw;background:#fff;margin-bottom:3vw;overflow:hidden}
html.mobile .uc-cell{padding:3vw 4.2vw;font-size:3.5vw;line-height:1.75}
html.mobile .uc-cell.uc-dept{background:var(--bg-gray);padding:2.6vw 4.2vw;font-size:3.8vw}
html.mobile .uc-cell.uc-task::before{content:'用途：';font-size:2.8vw;color:var(--text-light);font-weight:600;margin-right:1vw}
html.mobile .uc-cell.uc-impact{font-size:3.5vw;padding-top:1vw}
html.mobile .uc-cell.uc-impact::before{content:'効果：';font-size:2.8vw;color:var(--text-light);font-weight:600;margin-right:1vw}

html.mobile .step-grid{grid-template-columns:1fr;gap:3vw}
html.mobile .step-card{padding:5vw;border-radius:2.4vw}
html.mobile .step-card .step-num{width:8.4vw;height:8.4vw;font-size:3.7vw;margin-bottom:2.8vw;border-radius:2vw}
html.mobile .step-card h3{font-size:4.2vw}
html.mobile .step-card p{font-size:3.5vw;line-height:1.85}

html.mobile .sectrust-grid{grid-template-columns:1fr;gap:3vw}
html.mobile .sectrust-card{padding:4.8vw;gap:3.4vw;border-radius:2.4vw}
html.mobile .sectrust-card .st-ico{width:9vw;height:9vw;border-radius:2.2vw}
html.mobile .sectrust-card .st-ico svg{width:4.4vw;height:4.4vw}
html.mobile .sectrust-card h3{font-size:4vw}
html.mobile .sectrust-card p{font-size:3.5vw;line-height:1.8}

html.mobile .story-stack{gap:3.6vw}
html.mobile .story-card{padding:5.6vw 4.8vw;border-radius:2.4vw}
html.mobile .story-head{margin-bottom:3.6vw;padding-bottom:3.2vw}
html.mobile .story-persona{font-size:2.9vw;margin-bottom:1.8vw}
html.mobile .story-title{font-size:4.5vw;line-height:1.55}
html.mobile .story-chapters{grid-template-columns:1fr;gap:4vw}
html.mobile .story-label{font-size:2.8vw;margin-bottom:1.8vw}
html.mobile .story-before p,html.mobile .story-after p{font-size:3.5vw;line-height:1.9;margin-bottom:2.4vw}
html.mobile .supervisor-flow{padding:3.4vw;gap:1.4vw;justify-content:center}
html.mobile .sf-node{font-size:3vw;padding:1.5vw 2.6vw}
html.mobile .sf-supervisor{font-size:3.1vw;padding:1.7vw 3.4vw}
html.mobile .sf-arrow{font-size:3.1vw}

html.mobile .comp-table{border:none;background:transparent;margin-top:5.6vw}
html.mobile .comp-header{display:none}
html.mobile .comp-row{grid-template-columns:1fr;border:1px solid var(--border);border-radius:2.4vw;background:#fff;margin-bottom:3vw;overflow:hidden}
html.mobile .comp-row:last-child{margin-bottom:0}
html.mobile .comp-cell{padding:3vw 4.2vw;font-size:3.5vw;line-height:1.75}
html.mobile .comp-cell:first-child{font-weight:700;color:var(--text-dark);background:var(--bg-gray);padding:2.6vw 4.2vw}
html.mobile .comp-cell:nth-child(2){color:var(--text-sub);padding-bottom:1.4vw}
html.mobile .comp-cell:nth-child(2)::before{content:'現状：';font-weight:600;color:var(--text-light);display:block;font-size:2.8vw;letter-spacing:.06em}
html.mobile .comp-cell:last-child{background:var(--primary-bg);color:var(--text-dark);padding-top:1.4vw}
html.mobile .comp-cell:last-child::before{content:'Coase';font-weight:700;color:var(--primary);display:block;font-size:2.8vw;letter-spacing:.06em}

html.mobile .faq-list{max-width:none}
html.mobile .faq-item{padding:4.8vw 0}
html.mobile .faq-q{font-size:3.8vw;line-height:1.55;gap:2.4vw}
html.mobile .faq-q::before{width:6vw;height:6vw;font-size:2.8vw;flex-shrink:0;border-radius:1.6vw}
html.mobile .faq-a{font-size:3.5vw;line-height:1.8;padding-left:8.4vw;margin-top:2.4vw}

html.mobile .company-card{border-radius:2.4vw}
html.mobile .company-row{grid-template-columns:1fr}
html.mobile .company-row dt{padding:2.4vw 4.2vw;font-size:3.3vw}
html.mobile .company-row dd{padding:2.4vw 4.2vw 3.8vw;font-size:3.5vw}

html.mobile .next-links{grid-template-columns:1fr;gap:3vw}
html.mobile .next-card{padding:4.8vw;border-radius:2.4vw}
html.mobile .next-card h3{font-size:4.2vw}
html.mobile .next-card p{font-size:3.5vw}

html.mobile .cta-band{padding:13vw 0}
html.mobile .cta-band h2{font-size:5.6vw;line-height:1.45;margin-bottom:3vw}
html.mobile .cta-band p{font-size:3.7vw;line-height:1.8;margin-bottom:6.4vw}
html.mobile .cta-band .cta-btns{flex-direction:column;align-items:stretch}
html.mobile .cta-band .btn{width:100%}
html.mobile .cta-note{font-size:3.2vw;margin-top:3.4vw}

html.mobile .footer{padding:10vw 0 7vw}
html.mobile .footer-top{grid-template-columns:1fr;gap:6.4vw;margin-bottom:6.4vw}
html.mobile .footer-brand .wordmark{font-size:5.2vw}
html.mobile .footer-brand p{font-size:3.2vw;max-width:none}
html.mobile .footer-col h4{font-size:3.4vw;margin-bottom:2.8vw}
html.mobile .footer-col a{font-size:3.3vw;margin-bottom:2.4vw}
html.mobile .footer-bottom{font-size:2.9vw;padding-top:4.6vw}

html.mobile .how4{grid-template-columns:1fr;gap:3vw}
html.mobile .how-step{padding:4.8vw;border-radius:2.4vw}
html.mobile .how-step .hs-num{font-size:6.4vw;margin-bottom:2.6vw}
html.mobile .how-step h3{font-size:4vw}
html.mobile .how-step p{font-size:3.5vw}
html.mobile .loop-note{font-size:3.3vw}
html.mobile .benefit-grid{grid-template-columns:1fr;gap:3vw}
html.mobile .cs-wrap{padding:8vw 5vw;border-radius:2.4vw}
html.mobile .cs-badge{font-size:3.7vw;padding:2.2vw 4.6vw}
html.mobile .cs-note{font-size:3.4vw}
html.mobile .case-grid{grid-template-columns:1fr;gap:3vw;margin-bottom:5.6vw}
html.mobile .case-card{padding:4.8vw;border-radius:2.4vw}
html.mobile .case-card .cc-metric{font-size:6.4vw}
html.mobile .prose h2{font-size:4.5vw}
html.mobile .prose p,html.mobile .prose li{font-size:3.6vw}

html.mobile .hook-grid{grid-template-columns:1fr;gap:3vw}
html.mobile .hook-card{padding:5.4vw 4.8vw;border-radius:2.4vw}
html.mobile .hook-card .hk-ico{width:10vw;height:10vw;border-radius:2.4vw}
html.mobile .hook-card .hk-ico svg{width:4.8vw;height:4.8vw}
html.mobile .hook-card h3{font-size:4.6vw}
html.mobile .hook-card p{font-size:3.5vw}
html.mobile .lead-band{grid-template-columns:1fr;padding:6.8vw 5.4vw;border-radius:3vw;gap:4.6vw}
html.mobile .lead-band h3{font-size:4.8vw}
html.mobile .lead-band p{font-size:3.5vw}
html.mobile .lead-band .btn{width:100%}
html.mobile .ba-grid{grid-template-columns:1fr;gap:3vw}
html.mobile .ba-card{padding:4.8vw;border-radius:2.4vw}
html.mobile .ba-row{font-size:3.5vw}
html.mobile .flow-item{grid-template-columns:10vw 1fr;gap:3.8vw;padding-bottom:5.6vw}
html.mobile .flow-item::before{left:5vw;top:10vw}
html.mobile .flow-num{width:10vw;height:10vw;font-size:4vw;border-radius:2.4vw}
html.mobile .flow-body h3{font-size:4.2vw}
html.mobile .flow-body p{font-size:3.5vw}

/* ════════════════ ミニ図解（製品UIの断片）════════════════ */
.vg{margin-top:16px;background:#f2f5fa;border:none;border-radius:10px;padding:13px 14px 9px}
.vg::after{content:"※イメージ";display:block;text-align:right;font-size:9px;font-weight:500;letter-spacing:.06em;color:#a3aebf;margin-top:8px}
.vg.sm{margin-top:12px;padding:9px 11px}
.vg.sm::after{display:none}
.vg.nl{background:#f3f6fd}
.vg-row{display:flex;align-items:center;gap:7px;font-size:11.5px;color:var(--text-body);line-height:1.6}
.vg-row+.vg-row{margin-top:8px}
.vg b{font-weight:600;color:var(--text-dark);font-variant-numeric:tabular-nums}
.vg .tag{margin-left:auto;flex-shrink:0;font-size:10px;font-weight:700;border-radius:5px;padding:2px 8px;letter-spacing:.02em}
.vg .tag+.tag{margin-left:0}
.tag.ng{color:#d92d20;background:#fbedec}
.tag.warn{color:#dc6803;background:#fdf3e7}
.tag.ok{color:#079455;background:#eaf6f0}
.vg-bar{position:relative;flex:1;height:6px;background:#e7eaf0;border-radius:3px}
.vg-bar i{display:block;height:100%;width:60%;background:#f0a9a3;border-radius:3px}
.vg-bar em{position:absolute;left:90%;top:-3px;bottom:-3px;width:2px;background:var(--text-dark);border-radius:1px}
.mask{background:#252b38;color:transparent;border-radius:3px;padding:0 2px;user-select:none}
.pv{font-size:10px;font-weight:600;color:var(--text-body);background:#fff;border:1px solid var(--border);border-radius:5px;padding:2px 8px}

/* 自然言語 ⇄ コード 同期図解 */
.sync{display:grid;grid-template-columns:1fr 52px 1fr;gap:14px;align-items:stretch;margin-bottom:12px}
.sync-nl,.sync-code{border-radius:12px;padding:18px 20px}
.sync-nl{background:#fff;border:1px solid var(--border)}
.sync-lbl{font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--text-sub);margin-bottom:12px;text-transform:uppercase}
.sync-nl .nlbox{background:#f7f9fd;border:1px solid #d9e4f8;border-radius:8px;padding:12px 14px;font-size:13px;line-height:1.9;color:var(--text-body)}
.sync-nl .done{display:inline-flex;align-items:center;gap:5px;margin-top:10px;font-size:11px;font-weight:600;color:var(--success)}
.sync-mid{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:var(--primary)}
.sync-mid svg{width:22px;height:22px;stroke-width:2}
.sync-mid span{font-size:10px;font-weight:700;color:var(--text-sub);white-space:nowrap;letter-spacing:.04em}
.sync-code{background:#101828;border:1px solid #1d2939}
.sync-code .sync-lbl{color:#8ea4c8}
.sync-code pre{margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;line-height:1.9;color:#c9d4ea;overflow-x:auto}
.sync-code .ck{color:#7aa2ff}
.sync-code .cs{color:#7ee2a8}
.sync-code .cc{color:#5d6b82}

html.tablet .sync{grid-template-columns:1fr}
html.tablet .sync-mid{flex-direction:row}
html.tablet .sync-mid svg{transform:rotate(90deg)}
html.mobile .vg{margin-top:3.6vw;padding:3vw 3.2vw;border-radius:2.2vw}
html.mobile .vg.sm{margin-top:2.8vw;padding:2.4vw 2.8vw}
html.mobile .vg-row{font-size:3.2vw;gap:1.8vw}
html.mobile .vg .tag{font-size:2.8vw;padding:.6vw 2.2vw}
html.mobile .pv{font-size:2.8vw;padding:.6vw 2.2vw}
html.mobile .sync{grid-template-columns:1fr;gap:2.6vw;margin-bottom:6vw}
html.mobile .sync-nl,html.mobile .sync-code{padding:4.2vw;border-radius:2.6vw}
html.mobile .sync-nl .nlbox{font-size:3.5vw;padding:3vw 3.4vw}
html.mobile .sync-mid{flex-direction:row;gap:2vw}
html.mobile .sync-mid svg{transform:rotate(90deg);width:5vw;height:5vw}
html.mobile .sync-mid span{font-size:2.8vw}
html.mobile .sync-code pre{font-size:3.1vw}

/* ════════════════ 図解（fig）── 製品画面ではなく仕組みの模式図として描く ════════════════ */
.fig{background:#f3f6fb;border:1px solid #e2e8f2;border-radius:14px;padding:30px 28px;margin:0 0 12px}
.fig-inner{max-width:660px;margin:0 auto}
.fig-cap{display:flex;align-items:center;justify-content:center;gap:9px;font-size:11.5px;color:var(--text-sub);margin:0 0 30px}
.fig-cap span{flex-shrink:0;font-size:9.5px;font-weight:600;letter-spacing:.12em;color:var(--text-sub);background:#fff;border:1px solid var(--border);border-radius:4px;padding:2px 7px;line-height:1.4}
/* 処理フロー＋監視ブラケット */
.fp{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px}
.fp-node{display:inline-flex;align-items:center;font-size:12px;font-weight:600;color:var(--text-body);background:#fff;border:1px solid #cfd9e8;border-radius:8px;padding:8px 14px}
.fp-arr{color:#9aa8bd;font-size:12px}
.fp-brace{height:12px;border:1px solid #b7c4d8;border-top:none;border-radius:0 0 10px 10px;margin:16px 6px 0}
.fp-lbl{text-align:center;font-size:12px;color:var(--text-sub);margin-top:11px;line-height:1.8}
.fp-lbl b{color:var(--text-dark);font-weight:600;font-variant-numeric:tabular-nums}
/* 5軸スコアの内訳と総合判定 */
.fig-cols2{display:grid;grid-template-columns:1fr 176px;gap:28px;align-items:center}
.ax{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-body);padding:6px 0}
.ax .axl{width:64px;flex-shrink:0;color:var(--text-sub)}
.ax .axb{flex:1;height:10px;background:#e2e8f2;border-radius:5px;overflow:hidden}
.ax .axb i{display:block;height:100%;background:#a9c3ef;border-radius:5px}
.ax.warn .axb i{background:#f0c48e}
.ax .axv{width:42px;text-align:right;font-weight:600;color:var(--text-dark);font-variant-numeric:tabular-nums;flex-shrink:0}
.ax.warn .axv{color:var(--warn)}
.ax-total{border-left:1px solid #d8e0ec;padding-left:28px}
.ax-total em{display:block;font-style:normal;font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--text-sub)}
.ax-total b{display:block;font-size:34px;font-weight:700;color:var(--text-dark);font-variant-numeric:tabular-nums;line-height:1.25;margin:2px 0 5px}
.ax-total span{display:block;font-size:11px;color:var(--text-sub);line-height:1.7}
/* 日別コストと予算ライン */
.cols{position:relative;display:flex;align-items:flex-end;gap:7px;height:88px;padding-top:18px}
.cols i{flex:1;background:#b9cdf2;border-radius:4px 4px 0 0}
.cols i.hot{background:#e8a19a}
.cols .limit{position:absolute;left:0;right:0;top:34%;border-top:1px dashed #d29a86;pointer-events:none}
.cols .limit em{position:absolute;left:0;top:-18px;font-style:normal;font-size:10px;font-weight:600;letter-spacing:.04em;color:#c07a62}
html.tablet .fig{padding:24px 20px}
html.mobile .fig{padding:5.6vw 4.6vw;border-radius:3vw;margin-bottom:2.6vw}
html.mobile .fig-cap{font-size:3vw;gap:2vw;margin-bottom:7vw;padding:0 2vw}
html.mobile .fig-cap span{font-size:2.6vw;padding:.5vw 1.8vw}
html.mobile .fp{gap:1.8vw}
html.mobile .fp-node{font-size:3.1vw;padding:2vw 3vw}
html.mobile .fp-arr{font-size:3vw}
html.mobile .fp-brace{margin-top:3.8vw}
html.mobile .fp-lbl{font-size:3.1vw;margin-top:2.6vw}
html.mobile .fig-cols2{grid-template-columns:1fr;gap:4.6vw}
html.mobile .ax{font-size:3.1vw;gap:2.4vw;padding:1.3vw 0}
html.mobile .ax .axl{width:16vw}
html.mobile .ax .axb{height:2.4vw}
html.mobile .ax .axv{width:10vw}
html.mobile .ax-total{border-left:none;border-top:1px solid #d8e0ec;padding:3.8vw 0 0;text-align:center}
html.mobile .ax-total b{font-size:7.4vw}
html.mobile .ax-total em,html.mobile .ax-total span{font-size:2.9vw}
html.mobile .cols{height:22vw;gap:1.6vw;padding-top:5vw}
html.mobile .cols .limit em{font-size:2.5vw;top:-4.4vw}
html.mobile .vg::after{font-size:2.4vw;margin-top:2vw}
/* 表下の注記 */
.table-note{margin-top:14px;font-size:11.5px;color:var(--text-sub);text-align:right}
html.mobile .table-note{font-size:3vw;margin-top:3vw;text-align:left}

/* ════════════════ スクロール・リビール（世界観：静かな出現）════════════════ */
.rv{opacity:0;transform:translateY(16px);transition:opacity .6s cubic-bezier(.2,.6,.2,1),transform .6s cubic-bezier(.2,.6,.2,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}
html.tablet .st+.st::before,html.mobile .st+.st::before{display:none}



/* ───── index.html のインラインCSS（ヒーローデモ）───── */
/* ───── ヒーロー：実アプリ「リアルタイム監視」の製品ビュー（抑制されたクローム）───── */
.demo{background:#101828;border-radius:14px;padding:10px;border:1px solid #26324a;box-shadow:0 0 0 1px rgba(91,140,255,.10),0 0 60px -8px rgba(47,98,255,.28),0 36px 80px -28px rgba(2,8,26,.8)}
/* 固定デザイン(560px)を等倍スケール：どの幅でも比率が崩れない */
.demo-vp{overflow:hidden;position:relative}
.demo-fit{width:560px;transform-origin:top left}
.demo-bar{display:flex;align-items:center;gap:5px;padding:3px 6px 10px}
.demo-bar .d-dot{width:8px;height:8px;border-radius:50%;background:#344054}
.demo-bar .d-title{margin-left:8px;font-size:10.5px;color:#98a2b3;font-weight:600;letter-spacing:.03em}
.demo-bar .d-live{margin-left:auto;display:inline-flex;align-items:center;gap:5px;font-size:9.5px;color:#32d583;font-weight:700;letter-spacing:.06em}
.demo-bar .d-live .lv{width:5px;height:5px;border-radius:50%;background:#32d583;animation:livepulse 1.8s infinite}
@keyframes livepulse{0%,100%{opacity:1}50%{opacity:.35}}
.app{display:flex;height:392px;border-radius:8px;overflow:hidden;background:#f4f6f8}
.app-side{width:150px;flex-shrink:0;background:#101828;padding:12px 8px;overflow:hidden;border-right:1px solid #1d2939}
.as-brand{font-size:13px;font-weight:700;color:#fff;letter-spacing:-.01em;padding:2px 8px 12px}
.as-nav{display:flex;flex-direction:column;gap:1px}
.as-sec{font-size:8.5px;font-weight:600;color:#5d6b82;letter-spacing:.1em;text-transform:uppercase;padding:10px 8px 4px}
.as-item{font-size:10.5px;color:#98a2b3;padding:5px 8px;border-radius:6px;display:flex;align-items:center;gap:6px;font-weight:500;white-space:nowrap}
.as-item::before{content:"";width:3px;height:3px;border-radius:50%;background:currentColor;opacity:.5;flex-shrink:0}
.as-item.active{background:#1d2939;color:#fff;font-weight:600}
.as-badge{margin-left:auto;font-size:8.5px;font-weight:700;color:#fdb022;background:rgba(253,176,34,.14);border-radius:4px;padding:0 5px}
.as-tag{margin-left:auto;font-size:8px;font-weight:700;color:#32d583;background:rgba(50,213,131,.13);border-radius:4px;padding:1px 6px}
.app-main{flex:1;display:flex;flex-direction:column;min-width:0;background:#f4f6f8}
.am-top{display:flex;align-items:center;gap:8px;padding:11px 14px;background:#fff;border-bottom:1px solid #e8eaee}
.am-top b{font-size:12px;color:#15181e;font-weight:700}
.am-top span.sub{font-size:10px;color:#7a828e}
.am-pill{margin-left:auto;display:inline-flex;align-items:center;gap:5px;font-size:9.5px;font-weight:600;color:#079455;background:#eaf6f0;padding:4px 9px;border-radius:6px}
.am-pill i{width:4px;height:4px;border-radius:50%;background:#079455;animation:livepulse 1.8s infinite}
.am-body{flex:1;padding:12px 14px;display:flex;flex-direction:column;gap:9px;min-height:0}
.kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}
.kc{background:#fff;border:1px solid #e8eaee;border-radius:8px;padding:9px 11px}
.kc-l{font-size:9px;color:#7a828e;margin-bottom:3px;white-space:nowrap}
.kc-v{font-size:14.5px;font-weight:700;color:#15181e;line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.kc-d{font-size:8.5px;font-weight:600;margin-top:3px;color:#7a828e}
.kc-d.down{color:#d92d20}.kc-d.up{color:#079455}
.live-row{flex:1;display:grid;grid-template-columns:1fr 1.15fr;gap:9px;min-height:0}
.lc{background:#fff;border:1px solid #e8eaee;border-radius:8px;padding:11px 13px;display:flex;flex-direction:column;min-height:0}
.lc-h{font-size:10px;font-weight:700;color:#15181e;margin-bottom:9px;display:flex;align-items:center;gap:6px}
.lc-h span{font-weight:400;color:#9aa1ad}
.lc-live{margin-left:auto;display:inline-flex;align-items:center;gap:4px;color:#079455;font-weight:600;font-size:9px}
.lc-live i{width:4px;height:4px;border-radius:50%;background:#079455;animation:livepulse 1.8s infinite}
/* 自然言語ポリシー入力（タイピング） */
.pol-box{background:#f7f9fd;border:1px solid #d9e4f8;border-radius:7px;padding:9px 11px;font-size:10.5px;line-height:1.7;color:#3a3f4a;min-height:48px}
.pol-box .caret{display:inline-block;width:1px;height:11px;background:#1a56db;margin-left:1px;vertical-align:-1px;animation:caret 1s steps(1) infinite}
@keyframes caret{50%{opacity:0}}
.pol-done{display:inline-flex;align-items:center;gap:5px;margin-top:8px;font-size:9.5px;font-weight:600;color:#079455;opacity:0;transition:opacity .4s}
.pol-done.on{opacity:1}
.pol-list{margin-top:10px;border-top:1px solid #eef0f4;padding-top:9px;display:flex;flex-direction:column;gap:7px}
.pl{display:flex;align-items:center;gap:7px;font-size:10px;color:#4b5261;line-height:1.5}
.pl .pd{width:4px;height:4px;border-radius:50%;background:#079455;flex-shrink:0}
.pl.new{opacity:0;transform:translateY(-4px);transition:opacity .45s,transform .45s}
.pl.new.on{opacity:1;transform:none}
.pl.new .pd{background:#1a56db}
/* 検知とアクション */
.acts{display:flex;flex-direction:column;gap:7px;overflow:hidden;flex:1}
.al{display:flex;align-items:center;gap:8px;font-size:10px;color:#4b5261;background:#fbfcfe;border:1px solid #eef0f4;border-radius:7px;padding:7px 9px}
.al .at{flex:1;line-height:1.55}
.al b{color:#15181e;font-weight:600;font-variant-numeric:tabular-nums}
.al .ab{flex-shrink:0;font-size:9px;font-weight:700;border-radius:5px;padding:2px 8px;letter-spacing:.02em}
.al .ab.ng{color:#d92d20;background:#fbedec}
.al .ab.warn{color:#dc6803;background:#fdf3e7}
.al .ab.ok{color:#079455;background:#eaf6f0}
.al .ft{color:#9aa1ad;font-size:8.5px;flex-shrink:0;font-variant-numeric:tabular-nums}
.al-enter{animation:alin .45s ease}
@keyframes alin{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.am-status{display:flex;align-items:center;gap:7px;padding:7px 14px;background:#fff;border-top:1px solid #e8eaee;font-size:9px;color:#7a828e;font-weight:500;white-space:nowrap}
.am-status i{color:#d6dae1;font-style:normal}
.am-status .sd{width:4px;height:4px;border-radius:50%;background:#079455;display:inline-block;animation:livepulse 2s infinite}
.am-status .sp{margin-left:auto}
.am-status .mono{font-family:ui-monospace,monospace}
.demo-note{margin-top:10px;text-align:right;font-size:10.5px;letter-spacing:.04em;color:rgba(255,255,255,.38)}
@media (prefers-reduced-motion:reduce){.pol-box .caret,.demo-bar .d-live .lv,.am-status .sd,.am-pill i,.lc-live i{animation:none}}
html.mobile .demo{margin-top:6vw;padding:2vw;border-radius:2.8vw}
html.mobile .demo-note{font-size:2.7vw;margin-top:2.4vw}