/* ============================================================
   Strategya Products & Solutions Platform
   Shared stylesheet — used by /ja/ /en/ /pt/
   ============================================================ */

:root {
  --bg: #ffffff;
  --bg-soft: #f5f7fb;
  --bg-card: #ffffff;
  --border: #e4e8f0;
  --border-strong: #d2d9e6;
  --text: #0d1b2a;
  --text-soft: #46536b;
  --text-mut: #6b7690;
  --brand: #2f4bff;
  --brand-2: #6d4bff;
  --brand-ink: #1a2bb8;
  --accent: #00c2a8;
  --warn: #ff7a45;
  --grad: linear-gradient(120deg, #2f4bff 0%, #6d4bff 55%, #00c2a8 130%);
  --grad-soft: linear-gradient(120deg, rgba(47,75,255,.08), rgba(109,75,255,.08));
  --shadow-sm: 0 1px 2px rgba(13,27,42,.06), 0 2px 6px rgba(13,27,42,.05);
  --shadow: 0 10px 30px rgba(13,27,42,.10);
  --shadow-lg: 0 24px 60px rgba(13,27,42,.16);
  --radius: 16px;
  --radius-lg: 22px;
  --maxw: 1180px;
  --font: "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", Meiryo, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

[data-theme="dark"] {
  --bg: #0a0f1e;
  --bg-soft: #0f162b;
  --bg-card: #121a30;
  --border: #23304f;
  --border-strong: #2c3a5e;
  --text: #eef2fb;
  --text-soft: #b7c1da;
  --text-mut: #8a97b8;
  --brand: #6d84ff;
  --brand-2: #9a7bff;
  --brand-ink: #b9c4ff;
  --accent: #2fe0c6;
  --grad-soft: linear-gradient(120deg, rgba(109,132,255,.12), rgba(154,123,255,.12));
  --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
  --shadow: 0 14px 40px rgba(0,0,0,.45);
  --shadow-lg: 0 28px 70px rgba(0,0,0,.55);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; font-family: var(--font); color: var(--text); background: var(--bg);
  line-height: 1.7; -webkit-font-smoothing: antialiased; transition: background .3s, color .3s;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0; letter-spacing: -.01em; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.eyebrow { display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--brand); margin-bottom: 14px; }
.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-title { font-size: clamp(26px, 3.4vw, 40px); font-weight: 800; }
.section-sub { color: var(--text-soft); font-size: 16.5px; margin-top: 14px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; justify-content: center; font-weight: 700; font-size: 15px; padding: 13px 22px; border-radius: 999px; cursor: pointer; border: 1.5px solid transparent; transition: transform .15s, box-shadow .2s, background .2s; white-space: nowrap; font-family: inherit; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 22px rgba(47,75,255,.35); }
.btn-primary:hover { box-shadow: 0 14px 30px rgba(47,75,255,.45); }
.btn-ghost { background: var(--bg-card); color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-sm { padding: 9px 15px; font-size: 13.5px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; backdrop-filter: saturate(180%) blur(14px); background: color-mix(in srgb, var(--bg) 82%, transparent); border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; gap: 22px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: -.02em; }
.brand .logo-mark { width: 30px; height: 30px; border-radius: 9px; background: var(--grad); display: grid; place-items: center; color: #fff; font-size: 16px; font-weight: 900; }
.brand small { display: block; font-size: 10px; font-weight: 600; letter-spacing: .12em; color: var(--text-mut); text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.nav-links a { font-size: 14.5px; font-weight: 600; color: var(--text-soft); padding: 8px 12px; border-radius: 9px; transition: color .15s, background .15s; }
.nav-links a:hover { color: var(--brand); background: var(--grad-soft); }
.nav-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.lang-switch { display: flex; gap: 2px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 999px; padding: 3px; }
.lang-switch a { font-size: 12.5px; font-weight: 700; color: var(--text-mut); padding: 5px 11px; border-radius: 999px; }
.lang-switch a.active { background: var(--brand); color: #fff; }
.icon-btn { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg-card); display: grid; place-items: center; cursor: pointer; font-size: 16px; color: var(--text); }
.icon-btn:hover { border-color: var(--brand); }
.nav-toggle { display: none; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 76px 0 64px; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background: radial-gradient(900px 500px at 78% -10%, rgba(109,75,255,.16), transparent 60%), radial-gradient(800px 500px at 10% 10%, rgba(0,194,168,.12), transparent 55%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero-badge { display: inline-flex; gap: 8px; align-items: center; font-size: 12.5px; font-weight: 700; letter-spacing: .1em; color: var(--brand); background: var(--grad-soft); border: 1px solid var(--border); padding: 7px 14px; border-radius: 999px; text-transform: uppercase; }
.hero h1 { font-size: clamp(32px, 4.6vw, 54px); font-weight: 900; margin: 22px 0 18px; letter-spacing: -.02em; }
.hero h1 .hl { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 18px; color: var(--text-soft); max-width: 560px; }
.hero-cta { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 30px; margin-top: 34px; flex-wrap: wrap; }
.hero-stats .stat b { display: block; font-size: 26px; font-weight: 900; color: var(--text); }
.hero-stats .stat span { font-size: 13px; color: var(--text-mut); }
.hero-visual { position: relative; }
.dash { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 18px; transform: rotate(.4deg); }
.dash-bar { display: flex; align-items: center; gap: 6px; margin-bottom: 14px; }
.dash-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.dash-dot.r { background: #ff6b6b; } .dash-dot.y { background: #ffd23f; } .dash-dot.g { background: #37d67a; }
.dash-title { margin-left: 8px; font-size: 12px; color: var(--text-mut); font-weight: 600; }
.kpi-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 12px; }
.kpi { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 12px; padding: 12px; }
.kpi small { font-size: 10.5px; color: var(--text-mut); }
.kpi b { display: block; font-size: 19px; font-weight: 800; margin-top: 3px; }
.kpi .up { color: var(--accent); font-size: 11px; font-weight: 700; }
.chart { height: 120px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 12px; padding: 12px; display: flex; align-items: flex-end; gap: 8px; }
.chart .col { flex: 1; border-radius: 6px 6px 0 0; background: var(--grad); opacity: .85; }
.float-card { position: absolute; background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); padding: 12px 14px; font-size: 12.5px; font-weight: 700; display: flex; align-items: center; gap: 9px; }
.float-card .ic { width: 30px; height: 30px; border-radius: 9px; background: var(--grad-soft); color: var(--brand); display: grid; place-items: center; font-size: 15px; }
.float-a { bottom: -18px; left: -22px; } .float-b { top: -16px; right: -14px; }

/* Challenges */
.challenge-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px,1fr)); gap: 16px; }
.challenge { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; display: flex; gap: 14px; align-items: flex-start; box-shadow: var(--shadow-sm); }
.challenge .q { flex: 0 0 auto; width: 34px; height: 34px; border-radius: 10px; background: rgba(255,122,69,.14); color: var(--warn); display: grid; place-items: center; font-weight: 900; }
.challenge p { margin: 0; font-size: 15px; font-weight: 600; color: var(--text-soft); }

/* Product ecosystem */
.eco-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px,1fr)); gap: 22px; }
.product-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s, border-color .2s; display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--brand); }
.pc-top { display: flex; align-items: center; gap: 13px; margin-bottom: 14px; }
.pc-ic { width: 48px; height: 48px; border-radius: 13px; background: var(--grad); color: #fff; display: grid; place-items: center; font-size: 22px; box-shadow: 0 8px 18px rgba(47,75,255,.3); }
.pc-name { font-size: 19px; font-weight: 800; }
.pc-name small { display: block; font-size: 11.5px; font-weight: 700; color: var(--brand); letter-spacing: .08em; text-transform: uppercase; }
.pc-value { color: var(--text-soft); font-size: 15px; margin: 0 0 14px; }
.pc-target { font-size: 12.5px; color: var(--text-mut); background: var(--bg-soft); border: 1px solid var(--border); border-radius: 9px; padding: 8px 12px; margin-bottom: 16px; }
.pc-target b { color: var(--text-soft); }
.pc-funcs { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 9px; }
.pc-funcs li { position: relative; padding-left: 26px; font-size: 14.5px; color: var(--text-soft); }
.pc-funcs li::before { content: "\2713"; position: absolute; left: 0; top: 1px; width: 18px; height: 18px; border-radius: 50%; background: var(--grad-soft); color: var(--brand); font-size: 11px; font-weight: 900; display: grid; place-items: center; }
.pc-actions { margin-top: auto; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.pc-link { font-size: 13.5px; font-weight: 700; color: var(--brand); margin-right: auto; }
.pc-link:hover { text-decoration: underline; }

/* Product detail feature blocks */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.feature-row + .feature-row { margin-top: 64px; }
.feature-row.rev .feature-media { order: -1; }
.feature-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--brand); }
.feature-tag .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand); }
.feature-row h3 { font-size: clamp(23px,2.6vw,30px); font-weight: 800; margin: 12px 0 14px; }
.feature-row .feat-lead { color: var(--text-soft); margin-bottom: 20px; }
.feat-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.feat-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; }
.feat-list .fi { flex: 0 0 auto; width: 30px; height: 30px; border-radius: 9px; background: var(--grad-soft); color: var(--brand); display: grid; place-items: center; font-size: 15px; }
.feat-list li b { display: block; }
.feat-list li span { color: var(--text-mut); font-size: 13px; }
.feature-media { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 20px; min-height: 260px; }
.mock-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.mock-head .pill { font-size: 11px; font-weight: 700; color: var(--text-mut); background: var(--bg-soft); padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border); }
.mock-head b { font-size: 14px; }
.mock-list { display: grid; gap: 10px; }
.mock-item { display: flex; align-items: center; gap: 12px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 11px; padding: 11px 13px; }
.mock-item .av { width: 30px; height: 30px; border-radius: 8px; background: var(--grad); flex: 0 0 auto; opacity: .85; }
.mock-item .ln { flex: 1; }
.mock-item .ln i { display: block; height: 8px; border-radius: 6px; background: var(--border-strong); margin-bottom: 6px; }
.mock-item .ln i.s { width: 55%; margin-bottom: 0; }
.mock-item .badge { font-size: 10.5px; font-weight: 800; color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent); padding: 3px 8px; border-radius: 999px; }
.mini-kpis { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 12px; }
.mini-kpis .k { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 11px; padding: 12px; }
.mini-kpis .k small { font-size: 10px; color: var(--text-mut); }
.mini-kpis .k b { display: block; font-size: 18px; margin-top: 3px; }
.mini-chart { height: 90px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 11px; padding: 10px; display: flex; align-items: flex-end; gap: 6px; }
.mini-chart .col { flex: 1; border-radius: 5px 5px 0 0; background: var(--grad); opacity: .85; }

.bg-soft { background: var(--bg-soft); }
.product-anchor { scroll-margin-top: 84px; }

/* Services */
.svc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 14px; }
.svc { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; transition: transform .18s, border-color .18s; box-shadow: var(--shadow-sm); }
.svc:hover { transform: translateY(-4px); border-color: var(--brand); }
.svc .si { font-size: 22px; margin-bottom: 10px; }
.svc h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 4px; }
.svc p { font-size: 13px; color: var(--text-mut); margin: 0; }

/* Solution flow */
.flow { display: grid; grid-template-columns: repeat(5,1fr); gap: 14px; position: relative; }
.flow-step { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 18px; text-align: center; box-shadow: var(--shadow-sm); position: relative; }
.flow-step .n { width: 42px; height: 42px; border-radius: 50%; margin: 0 auto 12px; background: var(--grad); color: #fff; font-weight: 900; display: grid; place-items: center; font-size: 17px; }
.flow-step h4 { font-size: 15.5px; margin-bottom: 6px; }
.flow-step p { font-size: 12.5px; color: var(--text-mut); margin: 0; }
.flow-step::after { content: "\2192"; position: absolute; right: -12px; top: 50%; transform: translateY(-50%); color: var(--brand); font-weight: 900; font-size: 18px; z-index: 2; }
.flow-step:last-child::after { display: none; }

/* Demos */
.demo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px,1fr)); gap: 18px; }
.demo { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s; }
.demo:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.demo-thumb { height: 150px; background: var(--grad-soft); position: relative; display: grid; place-items: center; border-bottom: 1px solid var(--border); }
.demo-thumb .play { width: 54px; height: 54px; border-radius: 50%; background: var(--bg-card); box-shadow: var(--shadow); display: grid; place-items: center; font-size: 20px; color: var(--brand); }
.demo-tag { position: absolute; top: 12px; left: 12px; font-size: 11px; font-weight: 800; padding: 4px 10px; border-radius: 999px; }
.tag-live { background: rgba(0,194,168,.16); color: var(--accent); }
.tag-video { background: rgba(47,75,255,.14); color: var(--brand); }
.tag-consult { background: rgba(255,122,69,.16); color: var(--warn); }
.demo-body { padding: 18px; }
.demo-body h4 { font-size: 16px; margin-bottom: 6px; }
.demo-body p { font-size: 13px; color: var(--text-mut); margin: 0 0 14px; }

/* Solutions by objective */
.obj-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 16px; }
.obj { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; display: flex; flex-direction: column; gap: 10px; box-shadow: var(--shadow-sm); transition: border-color .18s, transform .18s; }
.obj:hover { border-color: var(--brand); transform: translateY(-4px); }
.obj .oi { width: 44px; height: 44px; border-radius: 12px; background: var(--grad-soft); color: var(--brand); display: grid; place-items: center; font-size: 21px; }
.obj h4 { font-size: 16.5px; }
.obj p { font-size: 13.5px; color: var(--text-mut); margin: 0; flex: 1; }
.obj .obj-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.obj .obj-tags span { font-size: 11px; font-weight: 700; color: var(--brand); background: var(--grad-soft); padding: 3px 9px; border-radius: 999px; }

/* Case studies */
.case-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap: 20px; }
.case { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; }
.case .cat { font-size: 12px; font-weight: 800; color: var(--brand); letter-spacing: .06em; text-transform: uppercase; }
.case h4 { font-size: 18px; margin: 8px 0 12px; }
.case p { font-size: 14px; color: var(--text-soft); margin: 0 0 18px; }
.case-metrics { display: flex; gap: 22px; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--border); }
.case-metrics b { display: block; font-size: 24px; font-weight: 900; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.case-metrics span { font-size: 12px; color: var(--text-mut); }

/* Process */
.proc { display: grid; grid-template-columns: repeat(5,1fr); gap: 0; }
.proc-step { padding: 26px 18px 26px 0; position: relative; }
.proc-step .n { font-size: 13px; font-weight: 900; color: var(--brand); letter-spacing: .1em; }
.proc-step .bar { height: 4px; border-radius: 999px; background: var(--grad); margin: 12px 0 16px; position: relative; }
.proc-step .bar::after { content: ""; position: absolute; right: -4px; top: 50%; transform: translateY(-50%); width: 12px; height: 12px; border-radius: 50%; background: var(--brand); }
.proc-step h4 { font-size: 16px; margin-bottom: 6px; }
.proc-step p { font-size: 13px; color: var(--text-mut); margin: 0; }

/* FAQ */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: 14px; margin-bottom: 12px; background: var(--bg-card); overflow: hidden; }
.faq-q { width: 100%; text-align: left; background: none; border: none; cursor: pointer; padding: 20px 22px; font-size: 16px; font-weight: 700; color: var(--text); display: flex; justify-content: space-between; align-items: center; gap: 16px; font-family: inherit; }
.faq-q .chev { flex: 0 0 auto; transition: transform .25s; color: var(--brand); font-size: 22px; line-height: 1; }
.faq-item.open .faq-q .chev { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a p { padding: 0 22px 20px; margin: 0; color: var(--text-soft); font-size: 14.5px; }

/* Final CTA */
.cta-box { background: var(--grad); border-radius: 28px; padding: 60px 40px; text-align: center; color: #fff; box-shadow: var(--shadow-lg); position: relative; overflow: hidden; }
.cta-box::before { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 300px at 80% 0%, rgba(255,255,255,.18), transparent 60%); }
.cta-box h2 { font-size: clamp(24px,3.4vw,38px); font-weight: 900; position: relative; }
.cta-box p { font-size: 16.5px; opacity: .92; max-width: 620px; margin: 14px auto 30px; position: relative; }
.cta-box .btn { position: relative; }
.cta-box .btn-primary { background: #fff; color: var(--brand-ink); box-shadow: 0 10px 30px rgba(0,0,0,.2); }
.cta-box .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.cta-box .btn-ghost:hover { border-color: #fff; color: #fff; }

/* Footer */
.site-footer { background: var(--bg-soft); border-top: 1px solid var(--border); padding: 56px 0 30px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 34px; }
.foot-brand p { color: var(--text-mut); font-size: 13.5px; max-width: 300px; margin: 14px 0 0; }
.foot-col h5 { font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--text-mut); margin-bottom: 14px; }
.foot-col a { display: block; font-size: 14px; color: var(--text-soft); margin-bottom: 9px; }
.foot-col a:hover { color: var(--brand); }
.foot-info { font-size: 13px; color: var(--text-mut); }
.foot-info b { color: var(--text-soft); font-weight: 700; }
.foot-info div { margin-bottom: 7px; }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.foot-bottom small { color: var(--text-mut); font-size: 12.5px; }
.foot-bottom .lang-switch { background: var(--bg-card); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 460px; }
  .feature-row { grid-template-columns: 1fr; gap: 26px; }
  .feature-row.rev .feature-media { order: 0; }
  .flow, .proc { grid-template-columns: 1fr 1fr; }
  .flow-step::after { display: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .section { padding: 60px 0; }
  .nav-links, .nav-right .lang-switch { display: none; }
  .nav-toggle { display: grid; }
  .nav-drawer { position: fixed; inset: 68px 0 auto 0; background: var(--bg); border-bottom: 1px solid var(--border); transform: translateY(-120%); transition: transform .3s; z-index: 90; padding: 16px 24px 24px; }
  .nav-drawer.open { transform: none; }
  .nav-drawer .nav-links { display: flex; flex-direction: column; align-items: stretch; gap: 2px; margin: 0; }
  .nav-drawer .nav-links a { padding: 12px; font-size: 16px; }
  .nav-drawer .lang-switch { display: flex; margin-top: 14px; width: fit-content; }
  .flow, .proc, .foot-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; }
}

/* ============================================================
   Service detail pages
   ============================================================ */
.breadcrumb { font-size: 13px; color: var(--text-mut); margin-bottom: 16px; }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb .sep { margin: 0 8px; opacity: .5; }
.breadcrumb b { color: var(--text-soft); font-weight: 600; }

.svc-hero { position: relative; overflow: hidden; padding: 52px 0 46px; border-bottom: 1px solid var(--border); }
.svc-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(760px 420px at 85% -20%, rgba(109,75,255,.14), transparent 60%), radial-gradient(620px 380px at 5% 0%, rgba(0,194,168,.10), transparent 55%); }
.svc-hero-top { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.svc-ic-lg { width: 60px; height: 60px; border-radius: 16px; background: var(--grad); color: #fff; display: grid; place-items: center; font-size: 28px; box-shadow: 0 10px 24px rgba(47,75,255,.32); flex: 0 0 auto; }
.svc-cat { font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--brand); }
.svc-hero h1 { font-size: clamp(28px, 4vw, 46px); font-weight: 900; letter-spacing: -.02em; max-width: 780px; }
.svc-hero .lead { font-size: 17.5px; color: var(--text-soft); max-width: 680px; margin: 16px 0 0; }
.svc-hero .hero-cta { margin-top: 26px; }
.svc-source { display: inline-flex; align-items: center; gap: 7px; margin-top: 20px; font-size: 12.5px; color: var(--text-mut); background: var(--bg-soft); border: 1px solid var(--border); padding: 6px 12px; border-radius: 999px; }

.feat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 40px; }
.feat-grid .feat-list { gap: 0; }
.feat-card { display: flex; gap: 14px; align-items: flex-start; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm); }
.feat-card .fi { flex: 0 0 auto; width: 40px; height: 40px; border-radius: 11px; background: var(--grad-soft); color: var(--brand); display: grid; place-items: center; font-size: 20px; }
.feat-card b { display: block; font-size: 16px; margin-bottom: 4px; }
.feat-card span { color: var(--text-mut); font-size: 13.5px; }

.scope-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-sm); }
.scope-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 28px; }
.scope-list li { position: relative; padding-left: 28px; font-size: 15px; color: var(--text-soft); }
.scope-list li::before { content: "\2713"; position: absolute; left: 0; top: 1px; width: 19px; height: 19px; border-radius: 50%; background: var(--grad); color: #fff; font-size: 11px; font-weight: 900; display: grid; place-items: center; }

.flow.cols-4 { grid-template-columns: repeat(4,1fr); }

.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 16px; }
.related-card { display: flex; gap: 13px; align-items: center; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-sm); transition: transform .18s, border-color .18s; }
.related-card:hover { transform: translateY(-4px); border-color: var(--brand); }
.related-card .ri { width: 46px; height: 46px; border-radius: 12px; background: var(--grad); color: #fff; display: grid; place-items: center; font-size: 22px; flex: 0 0 auto; }
.related-card b { display: block; font-size: 15.5px; }
.related-card span { font-size: 12.5px; color: var(--text-mut); }

@media (max-width: 760px) {
  .feat-grid, .scope-list { grid-template-columns: 1fr; }
  .flow.cols-4 { grid-template-columns: 1fr; }
}

/* ============================================================
   strategya.jp portal — spec components (v1)
   ============================================================ */

/* Status badges (提供中 / ベータ / 個別対応 / 開発中 / 提供予定 / demo states) */
.badge-status { display:inline-flex; align-items:center; gap:6px; font-size:11.5px; font-weight:800; padding:4px 10px; border-radius:999px; letter-spacing:.02em; white-space:nowrap; }
.badge-status::before { content:""; width:7px; height:7px; border-radius:50%; background:currentColor; }
.st-available { color:#0a9e88; background:color-mix(in srgb,#00c2a8 15%,transparent); }
.st-beta      { color:#2f4bff; background:color-mix(in srgb,#2f4bff 13%,transparent); }
.st-custom    { color:#6d4bff; background:color-mix(in srgb,#6d4bff 14%,transparent); }
.st-dev       { color:#6b7690; background:color-mix(in srgb,#6b7690 15%,transparent); }
.st-planned   { color:#46536b; background:var(--bg-soft); border:1px solid var(--border); }
.st-video     { color:#6d4bff; background:color-mix(in srgb,#6d4bff 14%,transparent); }

/* Products index / cards reuse .product-card; add status row */
.pc-statusrow { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:12px; }

/* Product single */
.prod-hero { position:relative; overflow:hidden; padding:56px 0 48px; border-bottom:1px solid var(--border); }
.prod-hero::before { content:""; position:absolute; inset:0; z-index:-1; background:radial-gradient(760px 420px at 85% -20%, rgba(109,75,255,.14), transparent 60%), radial-gradient(620px 380px at 5% 0%, rgba(0,194,168,.10), transparent 55%); }
.prod-hero-grid { display:grid; grid-template-columns:1fr 1fr; gap:44px; align-items:center; }
.prod-hero .kicker { font-size:12px; font-weight:800; letter-spacing:.12em; text-transform:uppercase; color:var(--brand); }
.prod-hero h1 { font-size:clamp(28px,4vw,46px); font-weight:900; letter-spacing:-.02em; margin:12px 0 16px; }
.prod-hero .lead { font-size:17.5px; color:var(--text-soft); max-width:600px; }
.prod-hero .hero-cta { margin-top:26px; }
.prod-badges { display:flex; gap:8px; flex-wrap:wrap; margin-top:16px; }

.mock-notice { font-size:11.5px; color:var(--text-mut); margin-top:10px; display:flex; gap:6px; align-items:center; }

/* generic two-col block reuse .feature-row; add problem box */
.problem-box { background:var(--bg-card); border:1px solid var(--border); border-left:4px solid var(--warn); border-radius:14px; padding:22px 24px; }
.problem-box h4 { font-size:15px; color:var(--warn); margin-bottom:10px; }
.problem-box ul { margin:0; padding-left:20px; }
.problem-box li { font-size:14.5px; color:var(--text-soft); margin-bottom:6px; }

/* audience / use-case cards */
.mini-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:16px; }
.mini-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; box-shadow:var(--shadow-sm); }
.mini-card .mi { font-size:22px; margin-bottom:10px; }
.mini-card h4 { font-size:15.5px; margin-bottom:6px; }
.mini-card p { font-size:13.5px; color:var(--text-mut); margin:0; }

/* feature grid with status */
.fstat-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:16px; }
.fstat { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; box-shadow:var(--shadow-sm); }
.fstat-top { display:flex; justify-content:space-between; align-items:flex-start; gap:10px; margin-bottom:8px; }
.fstat .fi2 { width:38px; height:38px; border-radius:11px; background:var(--grad-soft); color:var(--brand); display:grid; place-items:center; font-size:19px; }
.fstat h4 { font-size:15.5px; margin:0; }
.fstat p { font-size:13.5px; color:var(--text-mut); margin:6px 0 0; }

/* integrations logo grid */
.intg-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:12px; }
.intg { display:flex; align-items:center; gap:10px; background:var(--bg-card); border:1px solid var(--border); border-radius:12px; padding:14px 16px; font-size:14px; font-weight:600; }
.intg .ii { width:30px; height:30px; border-radius:8px; background:var(--grad-soft); color:var(--brand); display:grid; place-items:center; font-size:15px; flex:0 0 auto; }
.intg small { display:block; font-size:11px; color:var(--text-mut); font-weight:500; }

/* security summary */
.sec-box { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg); padding:26px; box-shadow:var(--shadow-sm); }
.sec-box ul { list-style:none; padding:0; margin:0; display:grid; grid-template-columns:1fr 1fr; gap:10px 24px; }
.sec-box li { position:relative; padding-left:26px; font-size:14px; color:var(--text-soft); }
.sec-box li::before { content:"🔒"; position:absolute; left:0; top:0; font-size:13px; }

/* disclaimer note */
.disclaimer { font-size:12.5px; color:var(--text-mut); background:var(--bg-soft); border:1px solid var(--border); border-left:3px solid var(--brand); border-radius:10px; padding:12px 16px; margin-top:18px; line-height:1.7; }

/* Contact form */
.contact-grid { display:grid; grid-template-columns:1.15fr .85fr; gap:40px; align-items:start; }
.form-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg); padding:30px; box-shadow:var(--shadow); }
.field { margin-bottom:18px; }
.field label { display:block; font-size:13.5px; font-weight:700; margin-bottom:7px; color:var(--text); }
.field label .req { color:var(--warn); margin-left:4px; }
.field label .opt { color:var(--text-mut); font-weight:500; font-size:12px; margin-left:4px; }
.field input, .field select, .field textarea {
  width:100%; font-family:inherit; font-size:15px; color:var(--text); background:var(--bg); border:1.5px solid var(--border-strong); border-radius:11px; padding:12px 14px; transition:border-color .15s, box-shadow .15s;
}
.field textarea { min-height:130px; resize:vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline:none; border-color:var(--brand); box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent); }
.field .err-msg { display:none; font-size:12.5px; color:#e5484d; margin-top:6px; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color:#e5484d; }
.field.has-error .err-msg { display:block; }
.field-check { display:flex; gap:10px; align-items:flex-start; font-size:13.5px; color:var(--text-soft); }
.field-check input { width:auto; margin-top:3px; flex:0 0 auto; }
.field-check a { color:var(--brand); text-decoration:underline; }
.form-note { font-size:12px; color:var(--text-mut); margin-top:14px; }
.form-alert { border-radius:12px; padding:16px 18px; font-size:14px; margin-bottom:20px; display:none; }
.form-alert.show { display:block; }
.form-alert.ok { background:color-mix(in srgb,var(--accent) 12%,transparent); border:1px solid color-mix(in srgb,var(--accent) 35%,transparent); color:#0a7d6d; }
.form-alert.bad { background:color-mix(in srgb,#e5484d 10%,transparent); border:1px solid color-mix(in srgb,#e5484d 30%,transparent); color:#c62a2f; }
.err-summary { display:none; background:color-mix(in srgb,#e5484d 8%,transparent); border:1px solid color-mix(in srgb,#e5484d 25%,transparent); border-radius:12px; padding:14px 18px; margin-bottom:20px; font-size:13.5px; color:#c62a2f; }
.err-summary.show { display:block; }
.err-summary ul { margin:8px 0 0; padding-left:20px; }
.contact-side { position:sticky; top:88px; }
.contact-side .side-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:22px; box-shadow:var(--shadow-sm); margin-bottom:16px; }
.contact-side h4 { font-size:15px; margin-bottom:10px; }
.contact-side p, .contact-side a { font-size:13.5px; color:var(--text-soft); }
.contact-side .side-card a { color:var(--brand); }
.contact-steps { list-style:none; padding:0; margin:0; counter-reset:cs; }
.contact-steps li { position:relative; padding-left:34px; margin-bottom:14px; font-size:13.5px; color:var(--text-soft); }
.contact-steps li::before { counter-increment:cs; content:counter(cs); position:absolute; left:0; top:-2px; width:24px; height:24px; border-radius:50%; background:var(--grad); color:#fff; font-size:12px; font-weight:800; display:grid; place-items:center; }

/* legal / prose pages */
.prose { max-width:820px; margin:0 auto; }
.prose h2 { font-size:22px; margin:34px 0 12px; }
.prose h3 { font-size:17px; margin:22px 0 8px; }
.prose p, .prose li { font-size:15px; color:var(--text-soft); line-height:1.85; }
.prose ul { padding-left:22px; }
.prose li { margin-bottom:7px; }
.prose .updated { font-size:13px; color:var(--text-mut); margin-bottom:8px; }
.prose table { width:100%; border-collapse:collapse; margin:16px 0; font-size:14px; }
.prose th, .prose td { border:1px solid var(--border); padding:10px 12px; text-align:left; }
.prose th { background:var(--bg-soft); font-weight:700; }

/* 404 */
.nf-wrap { text-align:center; padding:100px 0; }
.nf-wrap .code { font-size:clamp(70px,12vw,140px); font-weight:900; line-height:1; background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.nf-wrap h1 { font-size:26px; margin:14px 0 12px; }
.nf-wrap p { color:var(--text-soft); margin-bottom:26px; }

@media (max-width:980px){
  .prod-hero-grid { grid-template-columns:1fr; gap:30px; }
  .contact-grid { grid-template-columns:1fr; }
  .contact-side { position:static; }
  .sec-box ul { grid-template-columns:1fr; }
}