/* =========================================================
   High Field Inc. — Corporate Site
   Shared stylesheet
   Design language: dark glassmorphism, blue↔cyan gradient
   ========================================================= */

:root {
  /* Brand */
  --hf-blue:          #2563eb;
  --hf-blue-hover:    #1d4ed8;
  --hf-indigo:        #4f46e5;
  --hf-cyan:          #06b6d4;
  --hf-sky:           #38bdf8;
  --hf-accent:        #7dd3fc;

  --hf-gradient:       linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  --hf-gradient-vivid: linear-gradient(135deg, #4f46e5 0%, #2563eb 45%, #06b6d4 100%);
  --hf-gradient-soft:  linear-gradient(135deg, rgba(37,99,235,0.18), rgba(6,182,212,0.12));

  /* Surfaces */
  --dark-bg:        #0a1020;
  --dark-bg-deep:   #060912;
  --dark-surface:   #0f1628;

  --dark-text:      #eef3ff;
  --dark-text-sub:  rgba(200, 215, 240, 0.72);
  --dark-text-muted:rgba(160, 180, 215, 0.42);

  --dark-border:         rgba(255, 255, 255, 0.08);
  --dark-border-accent:  rgba(56, 189, 248, 0.30);

  --glass-bg:     rgba(255, 255, 255, 0.035);
  --glass-bg-hi:  rgba(255, 255, 255, 0.065);
  --glass-border: rgba(255, 255, 255, 0.09);

  /* Type */
  --font-sans: 'Inter', 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic UI', 'Meiryo', sans-serif;
  --font-display: 'Inter', 'Noto Sans JP', sans-serif;
  --letter-spacing-body: 0.02em;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* ──────────── a11y: skip link ──────────── */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 1000;
  padding: 12px 20px;
  background: var(--hf-blue);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: top .2s ease;
}
.skip-link:focus {
  top: 16px;
  outline: 2px solid var(--hf-sky);
  outline-offset: 2px;
}

/* ──────────── a11y: focus visible ──────────── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
details summary:focus-visible {
  outline: 2px solid var(--hf-sky);
  outline-offset: 3px;
  border-radius: 4px;
}
/* a11y: タッチターゲット最小 44x44 (WCAG 2.5.5) */
@media (pointer: coarse) {
  .site-nav a,
  .footer-grid ul li a,
  .breadcrumb a,
  .faq-item summary,
  .btn,
  .visit-site,
  .nav-toggle {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
  .site-nav.open a {
    padding-top: 16px;
    padding-bottom: 16px;
  }
}

/* motion-reduce */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  background: var(--dark-bg-deep);
  color: var(--dark-text);
  font-family: var(--font-sans);
  font-weight: 400;
  letter-spacing: var(--letter-spacing-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* 背景のオーロラ状グロー（Pega の宇宙的Constellation感を意識） */
body::before {
  content:'';
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(55% 45% at 12% -5%,  rgba(37, 99, 235, 0.28), transparent 60%),
    radial-gradient(45% 45% at 100% 25%, rgba(6, 182, 212, 0.18), transparent 60%),
    radial-gradient(60% 55% at 70% 110%, rgba(79, 70, 229, 0.18), transparent 60%);
}
/* 極小の星空パターン */
body::after {
  content:'';
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.35), transparent 60%),
    radial-gradient(1px 1px at 80% 65%, rgba(255,255,255,0.25), transparent 60%),
    radial-gradient(1px 1px at 45% 85%, rgba(255,255,255,0.22), transparent 60%),
    radial-gradient(1px 1px at 65% 15%, rgba(255,255,255,0.28), transparent 60%),
    radial-gradient(1px 1px at 10% 75%, rgba(255,255,255,0.20), transparent 60%);
  opacity: 0.7;
}

::selection { background: var(--hf-blue); color: #fff; }

a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }

.wrap {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(36px, 7vw, 56px);
}

/* ──────────── ヘッダー ──────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px) saturate(1.4);
  background: rgba(6, 9, 18, 0.65);
  border-bottom: 1px solid var(--dark-border);
}
.site-header .wrap {
  padding-top: 20px;
  padding-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.brand img {
  height: 38px;
  width: auto;
  display: block;
}
.site-footer .brand img { height: 34px; opacity: 0.95; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 13px;
  color: var(--dark-text-sub);
  font-weight: 500;
}
.site-nav a {
  transition: color .3s ease;
  position: relative;
}
.site-nav a:hover,
.site-nav a.active { color: var(--dark-text); }
.site-nav a.active::after {
  content:'';
  position: absolute;
  left: 0; right: 0; bottom: -8px;
  height: 2px;
  background: var(--hf-gradient);
  border-radius: 2px;
}
.site-nav .cta-mini {
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--hf-gradient);
  color: #fff !important;
  font-weight: 600;
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.35),
              inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transition: transform .3s ease, box-shadow .3s ease;
}
.site-nav .cta-mini:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.45);
}

/* ハンバーガー（モバイル） */
.nav-toggle {
  display: none;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  width: 42px; height: 42px;
  align-items: center; justify-content: center;
  cursor: pointer;
}
.nav-toggle svg { width: 20px; height: 20px; stroke: var(--dark-text); }

/* ──────────── 共通：ヒーロー ──────────── */
.hero {
  padding: clamp(72px, 14vh, 140px) 0 clamp(72px, 12vh, 120px);
  text-align: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: var(--glass-bg);
  border: 1px solid var(--dark-border-accent);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  color: var(--dark-text-sub);
  margin-bottom: 32px;
  backdrop-filter: blur(12px);
  letter-spacing: 0.08em;
}
.eyebrow .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--hf-sky);
  box-shadow: 0 0 14px var(--hf-sky);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: .55; transform: scale(1); }
  50%     { opacity: 1;   transform: scale(1.25); }
}

.hero h1 {
  font-size: clamp(32px, 5.4vw, 62px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.015em;
  margin-bottom: 28px;
  color: var(--dark-text);
}
.hero h1 .accent {
  background: var(--hf-gradient-vivid);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lede {
  font-size: clamp(15px, 1.5vw, 17px);
  color: var(--dark-text-sub);
  max-width: 34em;
  margin: 0 auto 44px;
  line-height: 2;
}

/* ページヘッダー（下層ページ用） */
.page-head {
  padding: clamp(72px, 12vh, 120px) 0 clamp(48px, 8vh, 80px);
  text-align: center;
}
.page-head h1 {
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 800;
  letter-spacing: -0.015em;
  margin-bottom: 18px;
}
.page-head h1 .accent {
  background: var(--hf-gradient-vivid);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.page-head p {
  font-size: 15px;
  color: var(--dark-text-sub);
  max-width: 36em;
  margin: 0 auto;
  line-height: 2;
}

/* ──────────── ボタン ──────────── */
.cta-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 30px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .3s ease, box-shadow .3s ease, background .3s ease;
  border: none;
  font-family: inherit;
}
.btn-primary {
  background: var(--hf-gradient);
  color: #fff;
  box-shadow:
    0 10px 28px rgba(37, 99, 235, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 14px 36px rgba(37, 99, 235, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.btn-ghost {
  background: var(--glass-bg);
  color: var(--dark-text);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
}
.btn-ghost:hover {
  background: var(--glass-bg-hi);
  border-color: var(--dark-border-accent);
}
.btn svg { width: 16px; height: 16px; }

/* ──────────── セクション共通 ──────────── */
section.block {
  padding: clamp(60px, 10vh, 110px) 0;
  position: relative;
}
.block-head {
  text-align: center;
  margin-bottom: 56px;
}
.block-head .label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  background: var(--hf-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.block-head h2 {
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--dark-text);
  margin-bottom: 14px;
}
.block-head p {
  font-size: 14px;
  color: var(--dark-text-sub);
  max-width: 34em;
  margin: 0 auto;
  line-height: 2;
}

/* ──────────── 統計（実績数値） ──────────── */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 24px;
}
.stat {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 28px 22px;
  backdrop-filter: blur(18px) saturate(1.4);
  text-align: center;
  transition: transform .4s ease, border-color .4s ease;
}
.stat:hover {
  transform: translateY(-4px);
  border-color: var(--dark-border-accent);
}
.stat .num {
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 800;
  line-height: 1.1;
  background: var(--hf-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 8px;
}
.stat .label {
  font-size: 12px;
  color: var(--dark-text-sub);
  letter-spacing: 0.04em;
}

/* ──────────── カード（サービス・プロダクト） ──────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.cards.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cards.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 36px 30px 34px;
  backdrop-filter: blur(20px) saturate(1.4);
  overflow: hidden;
  transition: transform .4s ease, border-color .4s ease, background .4s ease;
  display: flex;
  flex-direction: column;
}
.card::before {
  content:'';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(56,189,248,.45), transparent 55%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity .4s ease;
  pointer-events: none;
}
.card:hover {
  transform: translateY(-4px);
  background: var(--glass-bg-hi);
}
.card:hover::before { opacity: 1; }

.card .ico {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--hf-gradient);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
  box-shadow: 0 10px 22px rgba(37, 99, 235, 0.35),
              inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.card .ico svg { width: 24px; height: 24px; stroke: #fff; }
.card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark-text);
}
.card p {
  font-size: 14px;
  line-height: 1.95;
  color: var(--dark-text-sub);
  flex-grow: 1;
}
.card .tag {
  display: inline-block;
  margin-top: 18px;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(56, 189, 248, 0.14);
  color: var(--hf-accent);
  border: 1px solid var(--dark-border-accent);
  align-self: flex-start;
}
.card ul.card-list {
  list-style: none;
  margin-top: 16px;
  padding: 0;
}
.card ul.card-list li {
  font-size: 13px;
  color: var(--dark-text-sub);
  padding: 6px 0 6px 22px;
  position: relative;
  line-height: 1.7;
}
.card ul.card-list li::before {
  content:'';
  position: absolute;
  left: 0; top: 14px;
  width: 12px; height: 2px;
  background: var(--hf-gradient);
  border-radius: 2px;
}

/* ──────────── 特徴パネル（横長） ──────────── */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  padding: clamp(28px, 4vw, 48px);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  backdrop-filter: blur(20px) saturate(1.4);
  position: relative;
  overflow: hidden;
}
.feature-row + .feature-row { margin-top: 24px; }
.feature-row.reverse { grid-template-columns: 1.3fr 1fr; direction: rtl; }
.feature-row.reverse > * { direction: ltr; }
.feature-row::before {
  content:'';
  position: absolute;
  top: -40%; right: -20%;
  width: 60%; height: 120%;
  background: radial-gradient(ellipse, rgba(56, 189, 248, 0.18), transparent 60%);
  pointer-events: none;
}
.feature-row .fr-visual {
  aspect-ratio: 4 / 3;
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--glass-border);
}
.feature-row .fr-visual.v-pega  { background: linear-gradient(135deg, #0e1b3a 0%, #2563eb 60%, #06b6d4 100%); }
.feature-row .fr-visual.v-cost  { background: linear-gradient(200deg, #0a1020 0%, #4f46e5 60%, #7dd3fc 100%); }
.feature-row .fr-visual.v-parky { background: linear-gradient(45deg, #0a0a1a 0%, #7c5cfc 60%, #3b82f6 100%); }
.feature-row .fr-visual.v-forge { background: radial-gradient(ellipse at 70% 30%, #06b6d4, #0a1020 80%); }
.feature-row .fr-visual.v-media { background: linear-gradient(160deg, #2563eb, #060912 80%); }
.feature-row .fr-visual::after {
  content:'';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 30%, rgba(255,255,255,0.25), transparent 60%);
  mix-blend-mode: overlay;
  pointer-events: none;
}
.feature-row .fr-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
}
.feature-row .fr-visual img.center { object-position: center center; }
.feature-row .fr-visual.has-img {
  background: #0a1020;
  box-shadow: 0 24px 60px rgba(0,0,0,0.45),
              inset 0 0 0 1px rgba(255,255,255,0.06);
}
.feature-row .fr-visual.has-img::after {
  background: linear-gradient(180deg, transparent 60%, rgba(6, 9, 18, 0.35));
  mix-blend-mode: normal;
}
.feature-row .fr-body h3 {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 14px;
  color: var(--dark-text);
}
.feature-row .fr-body .sub {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--hf-accent);
  margin-bottom: 10px;
  font-weight: 600;
}
.feature-row .fr-body p {
  font-size: 14px;
  line-height: 2;
  color: var(--dark-text-sub);
  margin-bottom: 18px;
}
.feature-row .fr-body ul {
  list-style: none;
  padding: 0;
  margin-bottom: 22px;
}
.feature-row .fr-body ul li {
  font-size: 13px;
  color: var(--dark-text-sub);
  padding: 6px 0 6px 22px;
  position: relative;
  line-height: 1.7;
}
.feature-row .fr-body ul li::before {
  content:'';
  position: absolute;
  left: 0; top: 14px;
  width: 12px; height: 2px;
  background: var(--hf-gradient);
  border-radius: 2px;
}
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tech-tags span {
  font-size: 11px;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 6px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  color: var(--dark-text-sub);
}

.visit-site {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  padding: 11px 20px;
  border-radius: 10px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid var(--dark-border-accent);
  color: var(--hf-accent);
  font-size: 13px;
  font-weight: 600;
  transition: background .3s ease, transform .3s ease, border-color .3s ease;
}
.visit-site:hover {
  background: rgba(56, 189, 248, 0.2);
  transform: translateX(3px);
  border-color: var(--hf-sky);
}
.visit-site svg { width: 14px; height: 14px; }

/* ──────────── FAQ アコーディオン ──────────── */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  backdrop-filter: blur(18px) saturate(1.4);
  overflow: hidden;
  transition: border-color .3s ease, background .3s ease;
}
.faq-item[open] {
  background: var(--glass-bg-hi);
  border-color: var(--dark-border-accent);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 28px 22px 56px;
  font-size: 15px;
  font-weight: 600;
  color: var(--dark-text);
  position: relative;
  transition: color .3s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: 'Q';
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  font-weight: 800;
  background: var(--hf-gradient);
  color: #fff;
  border-radius: 6px;
  letter-spacing: 0;
}
.faq-item summary::after {
  content: '';
  position: absolute;
  right: 28px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--hf-accent);
  border-bottom: 2px solid var(--hf-accent);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .3s ease;
}
.faq-item[open] summary::after {
  transform: translateY(-30%) rotate(-135deg);
}
.faq-item summary:hover { color: var(--hf-accent); }
.faq-answer {
  padding: 0 28px 24px 56px;
  font-size: 14px;
  line-height: 2;
  color: var(--dark-text-sub);
}
.faq-answer p { margin-bottom: 12px; }

/* ──────────── ブログ著者 byline ──────────── */
.byline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 10px 18px;
  background: var(--glass-bg);
  border: 1px solid var(--dark-border-accent);
  border-radius: 100px;
  font-size: 12px;
  color: var(--dark-text-sub);
  backdrop-filter: blur(12px);
}
.byline a {
  color: var(--hf-accent);
  font-weight: 600;
  transition: color .3s ease;
}
.byline a:hover { color: var(--hf-sky); }

/* ──────────── パンくずリスト ──────────── */
.breadcrumb {
  padding: 22px 0 0;
  font-size: 12px;
  color: var(--dark-text-muted);
  letter-spacing: 0.02em;
}
.breadcrumb ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.breadcrumb li {
  display: flex;
  align-items: center;
}
.breadcrumb li + li::before {
  content: '›';
  margin: 0 8px;
  color: var(--dark-text-muted);
}
.breadcrumb a {
  color: var(--dark-text-sub);
  transition: color .3s ease;
}
.breadcrumb a:hover { color: var(--hf-accent); }
.breadcrumb [aria-current="page"] { color: var(--hf-accent); }

/* ──────────── プロセスリスト（導入の流れ） ──────────── */
.process-list {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.process-step {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 24px;
  padding: 28px 30px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  backdrop-filter: blur(18px) saturate(1.4);
  transition: border-color .3s ease, background .3s ease;
}
.process-step:hover {
  background: var(--glass-bg-hi);
  border-color: var(--dark-border-accent);
}
.process-num {
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
  background: var(--hf-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.process-body h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark-text);
}
.process-body p {
  font-size: 14px;
  line-height: 2;
  color: var(--dark-text-sub);
  margin: 0;
}
@media (max-width: 680px) {
  .process-step {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 24px 22px;
  }
}

/* ──────────── 声（Testimonial） ──────────── */
.voices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.voice {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 32px 28px;
  backdrop-filter: blur(18px) saturate(1.4);
  transition: transform .4s ease, border-color .4s ease;
  position: relative;
}
.voice:hover {
  transform: translateY(-3px);
  border-color: var(--dark-border-accent);
}
.voice .stars {
  display: flex;
  gap: 2px;
  margin-bottom: 16px;
  color: #fbbf24;
}
.voice .stars svg { width: 14px; height: 14px; fill: currentColor; stroke: none; }
.voice p.quote {
  font-size: 13.5px;
  line-height: 2;
  color: var(--dark-text-sub);
  margin-bottom: 20px;
}
.voice .who {
  font-size: 12px;
  color: var(--dark-text-muted);
  border-top: 1px solid var(--dark-border);
  padding-top: 14px;
  letter-spacing: 0.04em;
}

/* ──────────── CTAバナー ──────────── */
.cta-banner {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: clamp(40px, 6vw, 72px);
  backdrop-filter: blur(20px) saturate(1.4);
  text-align: center;
  overflow: hidden;
}
.cta-banner::before {
  content:'';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(37, 99, 235, 0.22), transparent 55%),
    radial-gradient(ellipse at 80% 80%, rgba(6, 182, 212, 0.18), transparent 55%);
  pointer-events: none;
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 {
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 16px;
  color: var(--dark-text);
}
.cta-banner p {
  font-size: 14px;
  color: var(--dark-text-sub);
  max-width: 34em;
  margin: 0 auto 32px;
  line-height: 2;
}

/* ──────────── 会社概要テーブル ──────────── */
.info-table {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  backdrop-filter: blur(18px) saturate(1.4);
  overflow: hidden;
}
.info-table dl {
  display: grid;
  grid-template-columns: 200px 1fr;
}
.info-table dt,
.info-table dd {
  padding: 22px 28px;
  border-bottom: 1px solid var(--dark-border);
  font-size: 14px;
}
.info-table dt {
  color: var(--hf-accent);
  font-weight: 600;
  background: rgba(255,255,255,0.015);
  letter-spacing: 0.04em;
}
.info-table dd {
  color: var(--dark-text-sub);
  line-height: 1.9;
}
.info-table dl > :nth-last-child(1),
.info-table dl > :nth-last-child(2) { border-bottom: none; }

/* ──────────── フォーム ──────────── */
.form-box {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 22px;
  padding: clamp(32px, 5vw, 56px);
  backdrop-filter: blur(20px) saturate(1.4);
  max-width: 720px;
  margin: 0 auto;
}
.form-field {
  margin-bottom: 22px;
}
.form-field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--hf-accent);
  margin-bottom: 8px;
  letter-spacing: 0.06em;
}
.form-field label .req {
  color: #f87171;
  margin-left: 4px;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 14px;
  color: var(--dark-text);
  transition: border-color .3s ease, background .3s ease;
}
/* select の option は OS ネイティブメニューで表示されるため、
   ダークテーマの select（white text on dark bg）の設定がそのまま option にも
   効いて「white text on white bg」で見えなくなる。option に明示指定して回避。 */
.form-field select option {
  background: #0f1628;
  color: #eef3ff;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--hf-sky);
  background: rgba(255,255,255,0.06);
}
.form-field textarea { min-height: 160px; resize: vertical; }
.form-field .hint {
  font-size: 11px;
  color: var(--dark-text-muted);
  margin-top: 6px;
}

/* 送信結果パネル */
.form-result {
  padding: 20px 24px;
  border-radius: 14px;
  margin-bottom: 24px;
  font-size: 14px;
  line-height: 1.85;
  border: 1px solid transparent;
  animation: result-in .4s cubic-bezier(.2,.8,.2,1);
}
.form-result[hidden] { display: none; }
.form-result.is-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.4);
  color: #6ee7b7;
}
.form-result.is-error {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.4);
  color: #fca5a5;
  white-space: pre-line;
}
.form-result strong {
  display: block;
  font-size: 15px;
  margin-bottom: 6px;
  color: inherit;
}
@keyframes result-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ──────────── 本文コンテンツ ──────────── */
.rich-text {
  max-width: 780px;
  margin: 0 auto;
  color: var(--dark-text-sub);
  font-size: 14px;
  line-height: 2;
}
.rich-text h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark-text);
  margin: 48px 0 16px;
}
.rich-text h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--dark-text);
  margin: 32px 0 12px;
}
.rich-text p { margin-bottom: 16px; }
.rich-text ul, .rich-text ol { padding-left: 22px; margin-bottom: 16px; }
.rich-text li { margin-bottom: 6px; }

/* ──────────── フッター ──────────── */
.site-footer {
  padding: 72px 0 36px;
  border-top: 1px solid var(--dark-border);
  margin-top: 40px;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-grid .f-brand p {
  font-size: 12px;
  color: var(--dark-text-muted);
  margin-top: 16px;
  line-height: 1.9;
  max-width: 28em;
}
.footer-grid h4 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--hf-accent);
  margin-bottom: 18px;
}
.footer-grid ul { list-style: none; padding: 0; }
.footer-grid ul li {
  font-size: 13px;
  color: var(--dark-text-sub);
  padding: 6px 0;
}
.footer-grid ul li a:hover { color: var(--dark-text); }

.f-bottom {
  padding-top: 28px;
  border-top: 1px solid var(--dark-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--dark-text-muted);
}
.f-bottom .f-links {
  display: flex;
  gap: 24px;
}

/* ──────────── レスポンシブ ──────────── */
@media (max-width: 1180px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .footer-grid .f-brand { grid-column: span 4; margin-bottom: 12px; }
}
@media (max-width: 980px) {
  .cards, .cards.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .voices { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .feature-row { grid-template-columns: 1fr; }
  .feature-row.reverse { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid .f-brand { grid-column: span 2; }
  .info-table dl { grid-template-columns: 120px 1fr; }
}
@media (max-width: 680px) {
  .site-nav { display: none; }
  .site-nav.open {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(6, 9, 18, 0.95);
    border-bottom: 1px solid var(--dark-border);
    padding: 20px 32px 28px;
  }
  .site-nav.open a {
    padding: 14px 0;
    border-bottom: 1px solid var(--dark-border);
  }
  .site-nav.open a.cta-mini {
    margin-top: 12px;
    border-bottom: none;
    text-align: center;
  }
  .nav-toggle { display: inline-flex; }
  .cards, .cards.cols-4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .info-table dl { grid-template-columns: 1fr; }
  .info-table dt { border-bottom: none; padding-bottom: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .f-bottom { flex-direction: column; text-align: center; }
}

/* ──────────── スクロールリビール ──────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1s cubic-bezier(.2,.8,.2,1), transform 1s cubic-bezier(.2,.8,.2,1);
}
[data-reveal].in {
  opacity: 1;
  transform: translateY(0);
}


/* ──────────── 引用可能サマリーブロック（AI 引用最適化） ──────────── */
.summary-block {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 40px;
  background: var(--glass-bg);
  border: 1px solid var(--dark-border-accent);
  border-left: 4px solid var(--hf-sky);
  border-radius: 16px;
  backdrop-filter: blur(18px) saturate(1.4);
}
.summary-block .summary-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--hf-accent);
  margin: 0 0 14px;
}
.summary-block .summary-text {
  font-size: 15px;
  line-height: 2.1;
  color: var(--dark-text-sub);
  margin: 0;
}
.summary-block .summary-text a {
  color: var(--hf-accent);
  font-weight: 600;
}
.summary-block .summary-text strong {
  color: var(--dark-text);
}