/* =========================================================
   株式会社リクト計測（架空のB2B企業）- Corporate Site
   Layout: 12カラムの左揃えグリッド＋製図の寸法線をモチーフにした装飾
   ========================================================= */
:root {
  --graphite: #1D232B;
  --graphite-2: #2A323C;
  --steel: #2F5D8A;
  --steel-light: #DCE6F0;
  --signal: #F2B705;
  --paper: #FFFFFF;
  --mist: #F2F4F6;
  --line: #D5DBE1;
  --text: #1D232B;
  --text-soft: #5A6572;
  --success: #2E7D4F;
  --danger: #C0392B;
  --font-body: "IBM Plex Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --header-h: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body { margin: 0; font-family: var(--font-body); color: var(--text); background: var(--paper); line-height: 1.85; font-size: 16px; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4 { margin: 0; line-height: 1.45; font-weight: 700; word-break: auto-phrase; }
p, figure, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 2px; }
.container { width: min(1200px, 100% - 48px); margin-inline: auto; }
.mono { font-family: var(--font-mono); }

.demo-ribbon { background: var(--signal); color: var(--graphite); text-align: center; font-size: 12px; padding: 5px 12px; font-weight: 500; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.logo svg { width: 36px; height: 36px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-en { font-family: var(--font-mono); font-weight: 600; font-size: 18px; letter-spacing: .14em; }
.logo-ja { font-size: 11px; color: var(--text-soft); letter-spacing: .06em; }
.global-nav { display: flex; align-items: center; gap: 8px; }
.global-nav ul { display: flex; align-items: center; }
.global-nav a { display: block; padding: 8px 14px; text-decoration: none; font-size: 14px; font-weight: 500; border-bottom: 2px solid transparent; }
.global-nav a:hover { color: var(--steel); }
.global-nav a[aria-current="page"] { border-bottom-color: var(--steel); color: var(--steel); }
.header-cta { display: flex; gap: 8px; margin-left: 8px; }
.global-nav .header-cta a { display: inline-flex; padding: 0 16px; border: 1.5px solid transparent; }
.global-nav .header-cta .btn-outline { border-color: var(--graphite); }
.global-nav .header-cta .btn-outline:hover { color: var(--paper); }
.global-nav .header-cta .btn-primary { color: var(--paper); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 24px; font-family: inherit; font-size: 15px; font-weight: 700; text-decoration: none; cursor: pointer; border: 1.5px solid transparent; border-radius: 2px; transition: background .2s, color .2s, border-color .2s; }
.btn-primary { background: var(--steel); color: var(--paper); }
.btn-primary:hover { background: #244A6F; }
.btn-signal { background: var(--signal); color: var(--graphite); }
.btn-signal:hover { background: #D9A404; }
.btn-outline { border-color: currentColor; background: transparent; }
.btn-outline:hover { background: var(--graphite); color: var(--paper); border-color: var(--graphite); }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 13px; }
.nav-toggle { display: none; }

/* ---------- Common ---------- */
.section { padding: 104px 0; }
.section.alt { background: var(--mist); }
.section-label { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 13px; letter-spacing: .14em; color: var(--steel); text-transform: uppercase; margin-bottom: 12px; }
.section-label::before { content: ""; width: 24px; height: 1px; background: currentColor; }
.section-title { font-size: clamp(26px, 3vw, 36px); letter-spacing: .02em; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 48px; flex-wrap: wrap; }
.section-head .lead { max-width: 560px; color: var(--text-soft); margin-top: 14px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--steel); text-decoration: none; font-size: 15px; }
.text-link::after { content: "→"; transition: transform .2s; }
.text-link:hover::after { transform: translateX(4px); }

/* dimension-line ornament */
.dim { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 11px; color: var(--text-soft); letter-spacing: .08em; }
.dim::before, .dim::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, currentColor 0 1px, transparent 1px) left / 1px 9px no-repeat, linear-gradient(currentColor, currentColor) center / 100% 1px no-repeat; }
.dim::after { transform: scaleX(-1); }

.page-hero { background: var(--graphite); color: var(--paper); padding: 64px 0 56px; position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 32px 32px; }
.page-hero .container { position: relative; }
.page-hero .section-label { color: var(--signal); }
.page-hero h1 { font-size: clamp(28px, 3.6vw, 42px); }
.page-hero p { color: #B9C3CE; margin-top: 12px; max-width: 640px; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: 12px; color: #8E9AA7; margin-top: 28px; font-family: var(--font-mono); }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; }

/* ---------- Top: hero ---------- */
.hero { background: var(--graphite); color: var(--paper); position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 32px 32px; }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; padding: 88px 0 96px; }
.hero .section-label { color: var(--signal); }
.hero h1 { font-size: clamp(32px, 4.2vw, 52px); letter-spacing: .01em; line-height: 1.35; }
.hero h1 em { font-style: normal; color: var(--signal); }
.hero-lead { color: #B9C3CE; margin: 24px 0 36px; max-width: 520px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .btn-outline { color: var(--paper); }
.hero .btn-outline:hover { background: var(--paper); color: var(--graphite); border-color: var(--paper); }
.monitor { background: #10151B; border: 1px solid #3A4450; border-radius: 6px; padding: 20px; font-family: var(--font-mono); box-shadow: 0 30px 60px rgba(0,0,0,.35); }
.monitor-head { display: flex; justify-content: space-between; font-size: 12px; color: #8E9AA7; margin-bottom: 14px; }
.monitor-head .live { color: #5FD08A; display: inline-flex; align-items: center; gap: 6px; }
.monitor-head .live::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; animation: blink 1.4s infinite; }
@keyframes blink { 50% { opacity: .2; } }
.monitor svg { width: 100%; height: auto; }
.monitor-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; }
.monitor-stats div { background: #1A2129; padding: 10px 12px; border-radius: 4px; }
.monitor-stats dt { font-size: 10px; color: #8E9AA7; letter-spacing: .08em; }
.monitor-stats dd { font-size: 20px; color: var(--paper); font-variant-numeric: tabular-nums; }
.monitor-stats dd small { font-size: 11px; color: #8E9AA7; margin-left: 4px; }
.monitor-stats .warn dd { color: var(--signal); }
.spark { stroke-dasharray: 900; stroke-dashoffset: 900; animation: draw 2.4s ease-out forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* KPI band */
.kpi-band { border-bottom: 1px solid var(--line); }
.kpi-list { display: grid; grid-template-columns: repeat(4, 1fr); }
.kpi-list li { padding: 36px 28px; border-left: 1px solid var(--line); }
.kpi-list li:last-child { border-right: 1px solid var(--line); }
.kpi-list .kpi-num { font-family: var(--font-mono); font-size: clamp(32px, 3.6vw, 44px); font-weight: 600; color: var(--steel); line-height: 1.1; font-variant-numeric: tabular-nums; }
.kpi-list .kpi-num small { font-size: 16px; margin-left: 4px; color: var(--text-soft); font-weight: 500; }
.kpi-list p { font-size: 14px; color: var(--text-soft); margin-top: 8px; }

/* Solution cards */
.solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.solution-card { padding: 36px 32px 32px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper); display: flex; flex-direction: column; gap: 14px; text-decoration: none; transition: background .2s; position: relative; }
.solution-card:hover { background: var(--mist); }
.solution-card .code { font-family: var(--font-mono); font-size: 12px; color: var(--text-soft); letter-spacing: .1em; }
.solution-card svg { width: 56px; height: 56px; }
.solution-card h3 { font-size: 21px; }
.solution-card p { font-size: 15px; color: var(--text-soft); flex: 1; }
.solution-card .text-link { margin-top: 8px; }

/* Case preview */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card { background: var(--paper); border: 1px solid var(--line); display: flex; flex-direction: column; }
.case-visual { aspect-ratio: 16 / 9; background: var(--steel-light); position: relative; overflow: hidden; display: grid; place-items: center; }
.case-visual svg { width: 70%; }
.case-industry { position: absolute; left: 0; top: 0; background: var(--graphite); color: var(--paper); font-size: 12px; padding: 4px 12px; }
.case-body { padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.case-body h3 { font-size: 18px; }
.case-company { font-size: 13px; color: var(--text-soft); }
.case-result { margin-top: auto; padding-top: 14px; border-top: 1px dashed var(--line); display: flex; align-items: baseline; gap: 10px; }
.case-result b { font-family: var(--font-mono); font-size: 28px; color: var(--steel); font-variant-numeric: tabular-nums; }
.case-result span { font-size: 13px; color: var(--text-soft); }

/* News */
.news-list { border-top: 1px solid var(--line); }
.news-list li { display: grid; grid-template-columns: 120px 110px 1fr; gap: 20px; padding: 20px 4px; border-bottom: 1px solid var(--line); align-items: baseline; }
.news-list time { font-family: var(--font-mono); font-size: 14px; color: var(--text-soft); }
.news-tag { font-size: 12px; border: 1px solid var(--steel); color: var(--steel); text-align: center; padding: 1px 0; }

/* CTA */
.cta { background: var(--steel); color: var(--paper); padding: 72px 0; }
.cta-inner { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
.cta h2 { font-size: clamp(22px, 2.6vw, 30px); }
.cta p { color: #D3E0EC; margin-top: 8px; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta .btn-outline { color: var(--paper); }
.cta .btn-outline:hover { background: var(--paper); color: var(--steel); border-color: var(--paper); }

/* ---------- Solutions page ---------- */
.anchor-nav { position: sticky; top: calc(env(safe-area-inset-top, 0px) + var(--header-h)); z-index: 30; background: var(--paper); border-bottom: 1px solid var(--line); }
.anchor-nav ul { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.anchor-nav a { display: block; white-space: nowrap; padding: 14px 18px; font-size: 14px; text-decoration: none; border-bottom: 2px solid transparent; }
.anchor-nav a.is-active { border-bottom-color: var(--signal); font-weight: 700; }
.biz-block { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; align-items: start; }
.biz-block + .biz-block { margin-top: 104px; padding-top: 104px; border-top: 1px solid var(--line); }
.biz-figure { background: var(--mist); border: 1px solid var(--line); padding: 32px; }
.biz-figure svg { width: 100%; }
.biz-text h2 { font-size: clamp(24px, 2.6vw, 30px); margin-bottom: 16px; }
.biz-text > p { color: var(--text-soft); }
.check-list { margin-top: 24px; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 30px; }
.check-list li::before { content: ""; position: absolute; left: 0; top: 7px; width: 18px; height: 18px; background: var(--steel); clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0, 43% 62%); }
.spec-mini { margin-top: 28px; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.spec-mini div { padding: 16px; border-right: 1px solid var(--line); }
.spec-mini div:last-child { border-right: 0; }
.spec-mini dt { font-size: 12px; color: var(--text-soft); }
.spec-mini dd { font-family: var(--font-mono); font-size: 20px; font-weight: 600; color: var(--steel); }

.process { display: grid; grid-template-columns: repeat(5, 1fr); counter-reset: p; }
.process li { position: relative; padding: 28px 22px; background: var(--paper); border: 1px solid var(--line); margin-left: -1px; }
.process li::after { content: ""; position: absolute; right: -9px; top: 36px; width: 16px; height: 16px; background: var(--paper); border-top: 1px solid var(--line); border-right: 1px solid var(--line); transform: rotate(45deg); z-index: 1; }
.process li:last-child::after { display: none; }
.process .step { font-family: var(--font-mono); font-size: 12px; color: var(--steel); letter-spacing: .1em; }
.process h3 { font-size: 17px; margin: 6px 0 8px; }
.process p { font-size: 13px; color: var(--text-soft); line-height: 1.75; }
.process .period { display: inline-block; margin-top: 10px; font-family: var(--font-mono); font-size: 12px; background: var(--steel-light); padding: 2px 8px; }

/* ---------- Products page ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; align-items: center; }
.filter-bar .label { font-size: 13px; color: var(--text-soft); margin-right: 8px; font-family: var(--font-mono); }
.filter-btn { font: inherit; font-size: 14px; padding: 8px 16px; border: 1px solid var(--line); background: var(--paper); cursor: pointer; border-radius: 2px; }
.filter-btn[aria-pressed="true"] { background: var(--graphite); color: var(--paper); border-color: var(--graphite); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card { border: 1px solid var(--line); background: var(--paper); display: flex; flex-direction: column; }
.product-card[hidden] { display: none; }
.product-visual { background: var(--mist); aspect-ratio: 4 / 3; display: grid; place-items: center; position: relative; border-bottom: 1px solid var(--line); }
.product-visual svg { width: 58%; }
.product-visual .model { position: absolute; right: 12px; bottom: 10px; font-family: var(--font-mono); font-size: 12px; color: var(--text-soft); }
.product-body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-cat { font-size: 12px; color: var(--steel); font-weight: 700; }
.product-body h3 { font-size: 19px; }
.product-body p { font-size: 14px; color: var(--text-soft); flex: 1; }
.product-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 8px; }
.product-specs div { background: var(--paper); padding: 8px 10px; }
.product-specs dt { font-size: 11px; color: var(--text-soft); }
.product-specs dd { font-family: var(--font-mono); font-size: 14px; font-weight: 600; }
.compare-toggle { display: flex; align-items: center; gap: 8px; margin-top: 12px; font-size: 14px; cursor: pointer; }
.compare-toggle input { width: 18px; height: 18px; accent-color: var(--steel); }
.compare-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 45; background: var(--graphite); color: var(--paper); padding: 12px 0 calc(12px + env(safe-area-inset-bottom, 0px)); transform: translateY(110%); transition: transform .3s; }
.compare-bar.is-visible { transform: none; }
.compare-bar .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.compare-bar p { font-size: 14px; }
.compare-bar .btn-group { display: flex; gap: 8px; }
.compare-bar .btn-outline { color: var(--paper); }
.compare-panel { margin-top: 56px; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); }
.spec-table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 14px; background: var(--paper); }
.spec-table th, .spec-table td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; }
.spec-table thead th { background: var(--graphite); color: var(--paper); font-weight: 500; }
.spec-table tbody th { background: var(--mist); font-weight: 500; width: 180px; }
.spec-table td { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.empty-note { padding: 32px; text-align: center; color: var(--text-soft); background: var(--mist); border: 1px dashed var(--line); }

/* ---------- Cases page ---------- */
.case-detail { display: grid; grid-template-columns: 360px 1fr; gap: 0; border: 1px solid var(--line); background: var(--paper); }
.case-detail + .case-detail { margin-top: 32px; }
.case-detail[hidden] { display: none; }
.case-detail .case-visual { aspect-ratio: auto; height: 100%; min-height: 260px; }
.case-detail-body { padding: 32px 36px; }
.case-detail-body h2 { font-size: 22px; margin: 6px 0 4px; }
.cpr { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 24px; }
.cpr h3 { font-family: var(--font-mono); font-size: 12px; letter-spacing: .14em; color: var(--steel); margin-bottom: 6px; }
.cpr p { font-size: 14px; color: var(--text-soft); line-height: 1.8; }
.result-nums { display: flex; flex-wrap: wrap; gap: 12px 32px; margin-top: 24px; padding-top: 20px; border-top: 1px dashed var(--line); }
.result-nums div { display: flex; align-items: baseline; gap: 8px; }
.result-nums b { font-family: var(--font-mono); font-size: 30px; color: var(--steel); font-variant-numeric: tabular-nums; }
.result-nums span { font-size: 13px; color: var(--text-soft); }
.case-note { font-size: 12px; color: var(--text-soft); margin-top: 24px; }

/* ---------- Company page ---------- */
.message-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: start; }
.message-quote { font-size: clamp(22px, 2.6vw, 30px); font-weight: 700; line-height: 1.6; }
.message-quote em { font-style: normal; background: linear-gradient(transparent 65%, rgba(242,183,5,.45) 65%); }
.message-body p + p { margin-top: 16px; }
.message-sign { margin-top: 24px; text-align: right; font-size: 14px; color: var(--text-soft); }
.profile-table { width: 100%; border-collapse: collapse; border-top: 2px solid var(--graphite); }
.profile-table th, .profile-table td { padding: 18px 20px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.profile-table th { width: 200px; background: var(--mist); font-weight: 500; }
.history-list { position: relative; border-left: 2px solid var(--line); margin-left: 8px; }
.history-list li { display: grid; grid-template-columns: 120px 1fr; gap: 24px; padding: 0 0 28px 32px; position: relative; }
.history-list li::before { content: ""; position: absolute; left: -7px; top: 9px; width: 12px; height: 12px; background: var(--paper); border: 2px solid var(--steel); }
.history-list time { font-family: var(--font-mono); font-weight: 600; color: var(--steel); }
.office-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.office { border: 1px solid var(--line); padding: 28px; background: var(--paper); }
.office h3 { font-size: 18px; margin-bottom: 8px; display: flex; gap: 10px; align-items: center; }
.office h3 span { font-family: var(--font-mono); font-size: 11px; background: var(--graphite); color: var(--paper); padding: 2px 8px; font-weight: 500; }
.office p { font-size: 14px; color: var(--text-soft); }

/* ---------- Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 340px; gap: 56px; align-items: start; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 36px; counter-reset: s; }
.steps li { position: relative; text-align: center; font-size: 13px; padding-top: 40px; color: var(--text-soft); }
.steps li::before { counter-increment: s; content: counter(s); position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--paper); border: 2px solid var(--line); font-family: var(--font-mono); font-weight: 600; z-index: 1; }
.steps li::after { content: ""; position: absolute; top: 15px; left: -50%; width: 100%; height: 2px; background: var(--line); }
.steps li:first-child::after { display: none; }
.steps li.is-current { color: var(--text); font-weight: 700; }
.steps li.is-current::before, .steps li.is-done::before { background: var(--steel); border-color: var(--steel); color: var(--paper); }
.steps li.is-done::after, .steps li.is-current::after { background: var(--steel); }
.demo-banner { display: flex; gap: 14px; align-items: flex-start; background: #FFF8E1; border: 1px solid #E8C55A; padding: 14px 18px; margin-bottom: 28px; font-size: 14px; }
.demo-banner strong { flex-shrink: 0; font-family: var(--font-mono); background: var(--signal); color: var(--graphite); font-size: 12px; padding: 2px 10px; letter-spacing: .12em; margin-top: 2px; }
.type-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 28px; }
.type-tabs label { cursor: pointer; }
.type-tabs input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.type-tabs span { display: block; text-align: center; padding: 14px 8px; border: 1.5px solid var(--line); font-weight: 700; font-size: 14px; line-height: 1.5; }
.type-tabs span small { display: block; font-weight: 400; font-size: 12px; color: var(--text-soft); }
.type-tabs input:checked + span { border-color: var(--steel); background: var(--steel-light); }
.type-tabs input:focus-visible + span { outline: 3px solid var(--signal); outline-offset: 2px; }
.f-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 24px; }
.f-field { display: flex; flex-direction: column; gap: 6px; }
.f-field.wide { grid-column: 1 / -1; }
.f-field label, .f-field .f-label { font-size: 14px; font-weight: 700; }
.f-field .req { color: var(--danger); font-size: 12px; margin-left: 6px; font-weight: 500; }
.f-field input, .f-field select, .f-field textarea { font: inherit; font-size: 16px; padding: 11px 14px; border: 1px solid #B8C2CC; border-radius: 2px; background: var(--paper); color: var(--text); width: 100%; }
.f-field textarea { resize: vertical; }
.f-field .hint { font-size: 12px; color: var(--text-soft); }
.f-field .err { font-size: 13px; color: var(--danger); min-height: 1em; }
.f-field.has-error input, .f-field.has-error select, .f-field.has-error textarea { border-color: var(--danger); background: #FDF3F2; }
.check-group { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.check-group label { font-weight: 400; display: inline-flex; gap: 8px; align-items: center; cursor: pointer; font-size: 15px; }
.check-group input { width: 18px; height: 18px; accent-color: var(--steel); }
.privacy { margin: 28px 0; padding: 16px 18px; background: var(--mist); font-size: 14px; }
.privacy label { display: inline-flex; gap: 8px; align-items: center; cursor: pointer; font-weight: 700; }
.privacy input { width: 18px; height: 18px; accent-color: var(--steel); }
.form-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.confirm-table { width: 100%; border-collapse: collapse; margin-bottom: 28px; font-size: 15px; }
.confirm-table th, .confirm-table td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.confirm-table th { width: 180px; background: var(--mist); font-weight: 500; }
.confirm-table td { white-space: pre-wrap; word-break: break-word; }
.done-box { border: 1px solid var(--line); padding: 40px; text-align: center; }
.done-box .icon { width: 56px; height: 56px; margin: 0 auto 16px; }
.done-box h2 { font-size: 22px; margin-bottom: 12px; }
.done-box p { color: var(--text-soft); }
.side-box { border: 1px solid var(--line); padding: 28px; background: var(--mist); }
.side-box + .side-box { margin-top: 20px; }
.side-box h3 { font-size: 16px; margin-bottom: 10px; }
.side-box p { font-size: 14px; color: var(--text-soft); }
.side-box .tel { font-family: var(--font-mono); font-size: 24px; font-weight: 600; color: var(--steel); margin-top: 8px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--graphite); color: #B9C3CE; padding: 64px 0 32px; font-size: 14px; }
.footer-top { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 40px; }
.footer-brand .logo-en { color: var(--paper); }
.footer-brand .logo-ja { color: #8E9AA7; }
.footer-brand p { margin-top: 16px; }
.site-footer h4 { font-family: var(--font-mono); font-size: 12px; letter-spacing: .14em; color: var(--signal); margin-bottom: 12px; font-weight: 500; }
.site-footer li { padding: 3px 0; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--paper); text-decoration: underline; }
.footer-bottom { margin-top: 48px; padding-top: 20px; border-top: 1px solid #3A4450; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12px; }
.footer-bottom strong { color: var(--signal); font-weight: 500; }

/* reveal (content stays visible without JS) */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .global-nav a { padding: 8px 10px; font-size: 13px; }
  .global-nav .header-cta .btn-outline { display: none; }
}
@media (max-width: 960px) {
  .hero-inner, .biz-block, .message-grid, .contact-grid, .cta-inner { grid-template-columns: 1fr; }
  .hero-inner { padding: 56px 0 64px; gap: 40px; }
  .kpi-list { grid-template-columns: 1fr 1fr; }
  .kpi-list li { border-bottom: 1px solid var(--line); }
  .kpi-list li:nth-child(2) { border-right: 1px solid var(--line); }
  .solution-grid, .case-grid, .product-grid, .office-grid { grid-template-columns: 1fr 1fr; }
  .process { grid-template-columns: 1fr; }
  .process li { margin: -1px 0 0; }
  .process li::after { right: auto; left: 32px; top: auto; bottom: -9px; transform: rotate(135deg); }
  .case-detail { grid-template-columns: 1fr; }
  .case-detail .case-visual { min-height: 0; aspect-ratio: 16 / 7; }
  .cpr { grid-template-columns: 1fr; gap: 16px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
  :root { --header-h: 64px; }
  .nav-toggle { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 48px; height: 48px; padding: 12px; border: 1px solid var(--line); background: var(--paper); cursor: pointer; border-radius: 2px; }
  .nav-toggle span { height: 2px; background: var(--graphite); transition: transform .25s, opacity .25s; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .global-nav { position: fixed; left: 0; right: 0; bottom: 0; top: var(--header-h); background: var(--paper); flex-direction: column; align-items: stretch; padding: 8px 20px 32px; overflow-y: auto; visibility: hidden; opacity: 0; transition: opacity .25s, visibility .25s; }
  .global-nav.is-open { visibility: visible; opacity: 1; }
  .global-nav ul { flex-direction: column; align-items: stretch; }
  .global-nav a { padding: 16px 4px; font-size: 16px; border-bottom: 1px solid var(--line); }
  .global-nav a[aria-current="page"] { border-bottom-color: var(--line); }
  .global-nav a[aria-current="page"]::before { content: "▸ "; color: var(--signal); }
  .header-cta { flex-direction: column; margin: 20px 0 0; }
  .global-nav .header-cta a, .global-nav .header-cta .btn-outline { display: flex; min-height: 52px; font-size: 15px; border-bottom-width: 1.5px; }
  body.nav-open { overflow: hidden; }
}
@media (max-width: 600px) {
  body { font-size: 15px; }
  .container { width: calc(100% - 40px); }
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 32px; }
  .hero h1 { font-size: 30px; }
  .hero-actions .btn { flex: 1 1 100%; }
  .monitor { padding: 14px; }
  .monitor-stats dd { font-size: 16px; }
  .kpi-list li { padding: 24px 16px; }
  .solution-grid, .case-grid, .product-grid, .office-grid, .f-grid, .spec-mini { grid-template-columns: 1fr; }
  .spec-mini div { border-right: 0; border-bottom: 1px solid var(--line); }
  .spec-mini div:last-child { border-bottom: 0; }
  .product-visual { aspect-ratio: 16 / 9; }
  .product-visual svg { width: 40%; }
  .news-list li { grid-template-columns: auto auto; gap: 4px 12px; }
  .news-list li p { grid-column: 1 / -1; }
  .news-tag { padding: 1px 10px; }
  .biz-figure { padding: 16px; }
  .case-detail-body { padding: 24px 20px; }
  .profile-table th, .profile-table td { display: block; width: 100%; }
  .profile-table th { padding: 10px 16px; }
  .profile-table td { padding: 12px 16px 18px; }
  .history-list li { grid-template-columns: 1fr; gap: 2px; padding-left: 24px; }
  .type-tabs { grid-template-columns: 1fr; }
  .confirm-table th, .confirm-table td { display: block; width: 100%; }
  .confirm-table th { padding: 8px 12px; }
  .done-box { padding: 28px 18px; }
  .form-actions .btn { flex: 1 1 100%; }
  .cta-actions .btn { flex: 1 1 100%; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .compare-bar .btn-group { width: 100%; }
  .compare-bar .btn-group .btn { flex: 1; }
}