/* corporatesales.jp — 階層構造用共通CSS */
:root {
  --teal: #00AEBB;
  --teal-dark: #00808a;
  --teal-light: #e6f7f8;
  --ink: #1a2326;
  --gray-1: #f5f7f8;
  --gray-2: #e2e7e9;
  --gray-3: #8a9498;
  --gray-4: #4a5559;
  --warn: #c8542b;
  --ok: #2a8a4a;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--ink);
  line-height: 1.75;
  background: #fff;
  font-size: 15px;
}
a { color: inherit; text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .78; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

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

/* ======= Header（こだわり強化） ======= */
.site-header {
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: none;
  position: sticky; top: 0; z-index: 100;
}
.header-inner {
  max-width: 1280px; margin: 0 auto;
  padding: 14px 28px;
  display: flex; align-items: center; gap: 32px;
}
.logo {
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0;
}
.logo img { width: 140px; height: auto; }
.logo-txt {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 2px;
}
.logo-txt__small {
  font-family: 'Noto Serif JP', serif;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .14em;
  color: var(--gray-4);
  text-transform: lowercase;
}
.logo-txt__brand {
  font-family: 'Noto Serif JP', serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--ink);
  line-height: 1;
}
.gnav {
  display: flex; gap: 28px;
  margin-left: auto;
  font-size: 13px;
  flex-wrap: wrap;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  letter-spacing: .05em;
}
.gnav a {
  padding: 8px 0;
  color: var(--ink);
}
.gnav a:hover, .gnav a.active {
  color: var(--teal-dark);
}
/* ナビ右側に「CONTACT」ボタン風の最終リンクを強調 */
.gnav a:last-child {
  margin-left: 8px;
  padding: 8px 18px;
  background: var(--ink);
  color: #fff;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: .12em;
  transition: background-color var(--t-base) var(--ease), transform var(--t-fast) var(--ease);
}
.gnav a:last-child:hover {
  background: var(--teal);
  color: #fff;
  transform: translateY(-1px);
}
.gnav a:last-child::after { display: none !important; }

/* ======= Hero ======= */
.hero {
  background: linear-gradient(135deg, #f5fcf6 0%, #e6f7f8 100%);
  padding: 80px 0 72px;
  border-bottom: 1px solid var(--gray-2);
}
.eyebrow {
  display: inline-block;
  font-family: 'Noto Serif JP', serif;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--teal-dark);
  margin-bottom: 14px;
  padding-left: 14px;
  border-left: 3px solid var(--teal);
}
h1 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700; line-height: 1.4;
  margin-bottom: 18px;
  text-wrap: balance;
}
h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700; line-height: 1.4;
  margin-bottom: 16px;
  text-wrap: balance;
}
h3 {
  font-size: 18px; font-weight: 700;
  margin-bottom: 10px;
  text-wrap: balance;
}
/* 本文段落の孤立行抑制（Chromium/Safariで効く） */
p, .faq-body, summary, .card-desc, .top-strength__desc,
.mandala__cell-detail p, .approach-body p, .product-item p,
.section-head p, .cta-lead, .lead {
  text-wrap: pretty;
}
.lead {
  font-size: 15px; color: var(--gray-4);
  max-width: 680px;
  margin-bottom: 28px;
}
.placeholder {
  font-size: 14px; color: var(--gray-3);
  font-style: italic;
  background: var(--gray-1);
  padding: 16px 20px;
  border-left: 3px solid var(--gray-2);
  margin: 16px 0;
}

/* ======= Sections ======= */
.section {
  padding: 64px 0;
  border-bottom: 1px solid var(--gray-2);
}
.section-alt { background: var(--gray-1); }
.section:last-of-type { border-bottom: none; }
.cta-section {
  background: linear-gradient(135deg, var(--ink) 0%, #2a3a3e 100%);
  color: #fff;
  text-align: center;
}
.cta-section h2 { color: #fff; }
.cta-section .placeholder {
  background: rgba(255,255,255,.05);
  border-left-color: var(--teal);
  color: rgba(255,255,255,.7);
}

/* ======= Buttons ======= */
.cta-row {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-top: 24px;
}
.btn-primary, .btn-secondary {
  display: inline-block;
  padding: 14px 28px;
  font-size: 14px; font-weight: 700;
  border-radius: 4px;
  letter-spacing: 0.05em;
}
.btn-primary {
  background: var(--teal);
  color: #fff;
}
.btn-primary:hover { background: var(--teal-dark); opacity: 1; }
.btn-secondary {
  background: #fff;
  color: var(--teal-dark);
  border: 1px solid var(--teal);
}
.cta-section .btn-secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.4);
}

/* ======= Links ======= */
.link-arrow {
  display: inline-block;
  margin-top: 16px;
  color: var(--teal-dark);
  font-weight: 700; font-size: 14px;
}
.link-arrow:hover { color: var(--teal); opacity: 1; }

.case-list {
  margin: 16px 0;
}
.case-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-2);
}
.case-list a {
  color: var(--teal-dark);
  font-weight: 500;
}

/* ======= Generic content tables/lists ======= */
.content-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}
.content-table th, .content-table td {
  border: 1px solid var(--gray-2);
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
}
.content-table th {
  background: var(--gray-1);
  font-weight: 700;
  width: 25%;
}

.crumbs {
  font-size: 12px;
  color: var(--gray-3);
  margin-bottom: 24px;
}
.crumbs a { color: var(--teal-dark); }
.crumbs span { margin: 0 6px; }

/* ======= Footer ======= */
.site-footer {
  background: var(--ink);
  color: #aab5b8;
  padding: 48px 0 24px;
  font-size: 13px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-brand .footer-company {
  font-size: 14px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.footer-brand .footer-since {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  color: #6b7785;
  letter-spacing: 0.18em;
}
.footer-grid h4 {
  font-size: 12px;
  color: #fff;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.footer-grid ul li { padding: 4px 0; }
.footer-grid a { color: #aab5b8; }
.footer-grid a:hover { color: var(--teal); }
.footer-mail {
  display: inline-block;
  font-size: 12px;
  letter-spacing: -0.005em;
  word-break: keep-all;
  white-space: nowrap;
}

/* ===== Footer 営業拠点 ===== */
.footer-locations {
  margin: 8px 0 24px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer-locations h4 {
  font-size: 12px;
  color: #fff;
  letter-spacing: 0.18em;
  margin-bottom: 18px;
}
.footer-locations-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.footer-loc .footer-loc-name {
  font-size: 13px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}
.footer-loc .footer-loc-addr {
  font-size: 12px;
  color: #8b97a3;
  line-height: 1.7;
  margin-bottom: 6px;
}
.footer-loc .footer-loc-tel {
  font-size: 12px;
  color: #aab5b8;
  letter-spacing: 0.02em;
}
@media (max-width: 768px) {
  .footer-locations-grid { grid-template-columns: 1fr; gap: 20px; }
}
.copyright {
  text-align: center;
  font-size: 11px;
  color: var(--gray-3);
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.1);
  letter-spacing: 0.1em;
}

@media (max-width: 980px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 880px) {
  .header-inner { flex-wrap: nowrap; gap: 12px; }
}
@media (max-width: 720px) {
  .section { padding: 44px 0; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ====== 固有のブラッシュアップ ====== */
/* hero 高さ最適化（モバイルでの圧迫感低減・PCでは余白拡張） */
.hero {
  padding: clamp(96px, 12vw, 160px) 0 clamp(80px, 10vw, 120px);
  min-height: clamp(640px, 92vh, 820px);
  display: flex;
  align-items: center;
  background: #0a1518;
  color: #fff;
}
/* シネマティックなダーク背景（展開後もダークのまま3D網を映えさせる） */
.hero { position: relative; overflow: hidden; transition: background 1.2s ease; }
.hero.is-revealed {
  background: radial-gradient(ellipse at 30% 30%, #0d2025 0%, #050c0e 80%);
  color: #fff;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(0,174,187,.12) 0, transparent 45%),
    radial-gradient(circle at 80% 90%, rgba(0,128,138,.10) 0, transparent 50%);
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero.is-revealed::after { opacity: 1; }
.hero .container { position: relative; z-index: 4; }

/* キャッチコピー：オープニング演出前は非表示 */
.hero .hero-copy {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.hero.is-revealed .hero-copy {
  opacity: 1;
  transform: none;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  letter-spacing: .01em;
  line-height: 1.35;
  color: #fff;
  text-shadow: 0 2px 24px rgba(0,0,0,.45);
}
.hero.is-revealed h1 { color: #fff; }
.hero .lead {
  font-size: clamp(15px, 1.4vw, 17px);
  max-width: 600px;
  color: rgba(255,255,255,.85);
  text-shadow: 0 1px 16px rgba(0,0,0,.4);
}
.hero .lead-note {
  max-width: 640px;
  font-size: clamp(12.5px, 1.05vw, 13.5px);
  line-height: 1.75;
  color: rgba(255,255,255,.7);
  margin-top: -8px;
}
.hero .lead-note a {
  color: rgba(255,255,255,.9);
  text-decoration: underline;
}
@media (max-width: 768px) {
  .hero .lead,
  .hero .lead-note {
    max-width: 100%;
  }
}
.hero .eyebrow {
  font-size: 11px;
  letter-spacing: .28em;
  margin-bottom: 20px;
  color: var(--teal);
  border-left-color: var(--teal);
}
.hero .btn-secondary {
  background: rgba(255,255,255,.06);
  color: #fff;
  border-color: rgba(255,255,255,.3);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.hero .btn-secondary:hover { background: rgba(255,255,255,.14); }

/* ====== Hero：電話発信オープニング演出 ====== */
.dial-stage {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: opacity .8s ease;
}
.hero.is-revealed .dial-stage { opacity: 0; }

/* ===== 携帯テンキー風オープニング演出 ===== */
.dial-card {
  width: clamp(300px, 34vw, 380px);
  padding: 22px 22px 26px;
  border: 1px solid rgba(0,174,187,.35);
  border-radius: 20px;
  background: rgba(10,21,24,.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 40px 100px rgba(0,174,187,.22), 0 0 0 1px rgba(0,174,187,.1),
              inset 0 1px 0 rgba(255,255,255,.06);
  transform: translateY(20px) scale(.96);
  opacity: 0;
  animation: dial-card-in 1s var(--ease) .2s forwards;
  position: relative;
}
@keyframes dial-card-in {
  to { transform: none; opacity: 1; }
}
/* ヘッダーバー（ノッチ風） */
.dial-card::before {
  content: "";
  position: absolute;
  top: 8px; left: 50%;
  transform: translateX(-50%);
  width: 40px; height: 4px;
  background: rgba(255,255,255,.18);
  border-radius: 2px;
}
.dial-card .dial-label {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 10px;
  letter-spacing: .3em;
  color: var(--teal);
  text-transform: uppercase;
  margin-top: 4px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.dial-card .dial-label::before {
  content: "";
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 10px var(--teal);
  animation: dial-led 1.6s ease-in-out infinite;
}
@keyframes dial-led {
  0%, 100% { opacity: .35; }
  50%      { opacity: 1; }
}
/* 液晶風メッセージ表示部 */
.dial-screen {
  background: linear-gradient(180deg, #021014 0%, #052329 100%);
  border: 1px solid rgba(0,174,187,.2);
  border-radius: 8px;
  padding: 14px 16px;
  min-height: 64px;
  margin-bottom: 14px;
  position: relative;
  overflow: hidden;
}
.dial-screen::before {
  /* 液晶っぽい走査線 */
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 2px,
    rgba(255,255,255,.025) 2px,
    rgba(255,255,255,.025) 3px
  );
  pointer-events: none;
}
.dial-typed {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(20px, 2.8vw, 26px);
  font-weight: 700;
  color: #fff;
  letter-spacing: .12em;
  line-height: 1.3;
  min-height: 1.3em;
  text-shadow: 0 0 14px rgba(0,174,187,.5);
  word-break: keep-all;
}
.dial-cursor {
  display: inline-block;
  width: .5em;
  margin-left: 2px;
  border-bottom: 2px solid var(--teal);
  animation: dial-blink 1s steps(2) infinite;
}
@keyframes dial-blink {
  50% { opacity: 0; }
}

/* テンキー：3x4配列 */
.dial-keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.dial-key {
  position: relative;
  background: linear-gradient(180deg, #1a2a30 0%, #0f1e22 100%);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 10px;
  padding: 10px 6px 8px;
  text-align: center;
  color: #fff;
  cursor: default;
  transition: transform 80ms var(--ease), background 80ms var(--ease), border-color 80ms var(--ease), box-shadow 120ms var(--ease);
  box-shadow: 0 2px 0 rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.04);
}
.dial-key .key-num {
  display: block;
  font-family: 'Noto Serif JP', serif;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  color: #fff;
}
.dial-key .key-sub {
  display: block;
  margin-top: 3px;
  font-size: 8px;
  letter-spacing: .12em;
  color: rgba(255,255,255,.45);
  font-weight: 500;
  min-height: 9px;
}
.dial-key.is-pressed {
  background: linear-gradient(180deg, var(--teal) 0%, var(--teal-dark) 100%);
  border-color: var(--teal);
  box-shadow: 0 0 24px rgba(0,174,187,.55), inset 0 1px 0 rgba(255,255,255,.2);
  transform: translateY(2px);
}
.dial-key.is-pressed .key-num { color: #021014; }
.dial-key.is-pressed .key-sub { color: rgba(0,0,0,.55); }

/* ステータス行 */
.dial-card .dial-status {
  margin-top: 12px;
  font-size: 10px;
  letter-spacing: .2em;
  color: rgba(255,255,255,.55);
  font-family: 'Noto Sans JP', sans-serif;
  min-height: 14px;
  text-align: center;
}
.dial-card .dial-status .dot {
  display: inline-block;
  width: 4px; height: 4px;
  margin: 0 2px 2px 2px;
  border-radius: 50%;
  background: var(--teal);
  opacity: .25;
  animation: dial-dot 1.2s ease-in-out infinite;
}
.dial-card .dial-status .dot:nth-child(1) { animation-delay: 0s; }
.dial-card .dial-status .dot:nth-child(2) { animation-delay: .2s; }
.dial-card .dial-status .dot:nth-child(3) { animation-delay: .4s; }
@keyframes dial-dot {
  0%, 100% { opacity: .25; }
  50%      { opacity: 1; }
}

/* 発信パルス：画面全体に同心円が広がる */
.connect-pulse {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
}
.connect-pulse.is-firing { opacity: 1; }
.connect-pulse span {
  position: absolute;
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 2px solid var(--teal);
  opacity: 0;
}
.connect-pulse.is-firing span {
  animation: connect-pulse 1.8s ease-out forwards;
}
.connect-pulse span:nth-child(1) { animation-delay: 0s !important; }
.connect-pulse span:nth-child(2) { animation-delay: .25s !important; }
.connect-pulse span:nth-child(3) { animation-delay: .5s !important; }
@keyframes connect-pulse {
  0%   { transform: scale(.3); opacity: .95; border-width: 3px; box-shadow: 0 0 30px rgba(0,174,187,.6); }
  60%  { opacity: .5; }
  100% { transform: scale(60); opacity: 0; border-width: 0; }
}

/* prefers-reduced-motion: アニメ全停止＋即時revealed */
@media (prefers-reduced-motion: reduce) {
  .hero { background: linear-gradient(135deg, #f5fcf6 0%, #e6f7f8 100%); color: var(--ink); }
  .hero::after { opacity: 1; }
  .hero .hero-copy { opacity: 1; transform: none; }
  .dial-stage { display: none; }
}

/* Card の枠線強調（クリーン基調を保ちつつ） */
.card { border-color: var(--gray-2); }

/* ====== TOP用：取扱キャリア帯 ====== */
.carrier-strip {
  padding: 28px 0;
  background: #fff;
  border-bottom: 1px solid var(--gray-2);
}
.carrier-strip .container {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: clamp(16px, 4vw, 48px);
  justify-content: center;
}
.carrier-strip .carrier-label {
  font-size: 12px; letter-spacing: .15em;
  color: var(--gray-3); font-weight: 700;
  text-transform: uppercase;
}
.carrier-strip ul {
  display: flex; flex-wrap: wrap; gap: clamp(16px, 3vw, 36px);
  align-items: center;
}
.carrier-strip li {
  font-size: 14px; font-weight: 700; color: var(--gray-4);
  letter-spacing: .05em;
}
.carrier-strip li.carrier-primary {
  font-size: 17px; font-weight: 900;
  color: var(--ink, #1a2326);
  letter-spacing: .02em;
  padding: 6px 14px 6px 26px;
  background: linear-gradient(90deg, rgba(0,174,187,0.10), transparent);
  border-left: 3px solid var(--teal, #00AEBB);
  border-radius: 0 6px 6px 0;
  position: relative;
}
.carrier-strip li.carrier-primary::before {
  content: "★";
  color: var(--teal, #00AEBB);
  font-size: 11px;
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
}
.carrier-strip li.carrier-secondary {
  font-size: 13px; font-weight: 500;
  color: var(--gray-3);
  padding-left: 16px;
  position: relative;
}
.carrier-strip li.carrier-secondary::before {
  content: "+";
  color: var(--gray-3);
  position: absolute;
  left: 0;
  font-weight: 700;
}

/* ====== TOP用：課題提起セクション ====== */
.issue-section { padding: clamp(64px, 8vw, 96px) 0; background: #fff; }
.issue-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 36px;
}
.issue-item {
  padding: 24px 22px;
  background: var(--gray-1);
  border-radius: 6px;
  border-left: 3px solid var(--teal);
}
.issue-item .issue-num {
  display: inline-block;
  font-family: 'Noto Serif JP', serif;
  font-size: 13px; color: var(--teal-dark); font-weight: 700;
  letter-spacing: .1em;
  margin-bottom: 10px;
}
.issue-item h3 {
  font-size: 16px; line-height: 1.55;
  margin-bottom: 8px;
}
.issue-item p {
  font-size: 13px; color: var(--gray-4); line-height: 1.7;
}

/* ====== TOP用：解決アプローチ（左右交互＋通信線） ====== */
.approach-section {
  padding: clamp(80px, 10vw, 120px) 0;
  background: linear-gradient(180deg, #fff 0%, var(--gray-1) 100%);
}
.approach-track {
  position: relative;
  padding-top: 36px;
}
/* 縦に走る通信線（中央に1本） */
.approach-spine {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: rgba(0,140,210,0.12);
  pointer-events: none;
  z-index: 0;
}
.approach-spine__fill {
  position: absolute;
  inset: 0;
  width: 100%;
  background: linear-gradient(180deg,
    rgba(0,174,187,0) 0%,
    rgba(0,174,187,0.85) 20%,
    rgba(0,140,210,0.9) 50%,
    rgba(0,174,187,0.85) 80%,
    rgba(0,174,187,0) 100%);
  transform-origin: top;
  transform: scaleY(0);
  animation: approachSpineFill 2s cubic-bezier(0.2,0.7,0.2,1) 0.3s forwards;
  box-shadow: 0 0 12px rgba(0,140,210,0.4);
}
@keyframes approachSpineFill {
  to { transform: scaleY(1); }
}
@media (max-width: 720px) {
  .approach-spine { left: 24px; transform: none; }
}

.approach-block {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  margin-top: 56px;
  z-index: 1;
}
.approach-block:first-of-type { margin-top: 0; }
.approach-block.is-reverse .approach-media { order: 2; }
.approach-media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--gray-2);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.approach-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2,0.7,0.2,1), filter 0.5s ease;
}
.approach-block:hover .approach-media img {
  transform: scale(1.04);
  filter: brightness(1.02) saturate(1.05);
}
/* スキャナーライン（ホバー時にimg上を青光が横切る） */
.approach-body {
  position: relative;
}
.approach-badge {
  position: absolute;
  top: 0;
  font-family: 'Noto Serif JP', serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  background: var(--teal);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0,140,210,0.35);
  z-index: 2;
}
/* バッジ位置：通常ブロックは右ボディの左端寄り、is-reverseは右端寄り */
.approach-block .approach-badge {
  left: calc(-1 * clamp(32px, 5vw, 64px) / 2 - 18px);
  top: -8px;
}
.approach-block.is-reverse .approach-badge {
  left: auto;
  right: calc(-1 * clamp(32px, 5vw, 64px) / 2 - 18px);
}
@media (max-width: 720px) {
  .approach-block .approach-badge,
  .approach-block.is-reverse .approach-badge {
    left: -12px;
    right: auto;
    top: -8px;
  }
}

.approach-body .approach-step {
  display: inline-block;
  font-family: 'Noto Serif JP', serif;
  font-size: 12px; letter-spacing: .2em;
  color: var(--teal-dark); font-weight: 700;
  margin-bottom: 12px;
  margin-left: 48px;
}
.approach-block.is-reverse .approach-body .approach-step {
  margin-left: 0;
}
.approach-body h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.5;
  margin-bottom: 14px;
}
.approach-body p {
  font-size: 14px; color: var(--gray-4); line-height: 1.85;
}

/* スクロール連動：各ブロックがフェード&シフトで現れる */
.approach-block.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.85s ease, transform 0.85s cubic-bezier(0.2,0.7,0.2,1);
}
.approach-block.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}
.approach-block.reveal .approach-badge {
  transform: scale(0.6);
  opacity: 0;
  transition: transform 0.6s cubic-bezier(0.34,1.56,0.64,1) 0.3s, opacity 0.4s ease 0.3s;
}
.approach-block.reveal.is-in .approach-badge {
  transform: scale(1);
  opacity: 1;
}

@media (max-width: 720px) {
  .approach-block,
  .approach-block.is-reverse {
    grid-template-columns: 1fr;
    padding-left: 36px;
  }
  .approach-block.is-reverse .approach-media { order: 0; }
}

/* ====== TOP用：数字で見るテラ ====== */
.stats-section {
  padding: clamp(72px, 8vw, 96px) 0;
  background: linear-gradient(135deg, var(--ink) 0%, #243639 100%);
  color: #fff;
  text-align: center;
}
.stats-section h2 { color: #fff; }
.stats-section .eyebrow { color: var(--teal); border-left-color: var(--teal); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 40px);
  margin-top: 44px;
}
.stat-item .stat-num {
  display: block;
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--teal);
  margin-bottom: 8px;
  letter-spacing: -.01em;
}
.stat-item .stat-num small {
  font-size: .42em; margin-left: 4px; color: rgba(255,255,255,.8);
  font-weight: 500;
}
.stat-item .stat-label {
  font-size: 13px; color: rgba(255,255,255,.7);
  letter-spacing: .05em;
}
@media (max-width: 720px) {
  .stats-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ====== TOP用：事例カード（既存 .card-grid を活かす） ====== */
.cases-section { padding: clamp(80px, 9vw, 112px) 0; background: #fff; }
.cases-section .card-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

/* ====== TOP用：製品ダイジェスト（アイコン付きカード） ====== */
.products-section {
  padding: clamp(72px, 8vw, 96px) 0;
  background: var(--gray-1);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 32px;
}
.product-item {
  background: #fff;
  border: 1px solid var(--gray-2);
  border-radius: 6px;
  padding: 22px 20px;
  transition: transform var(--t-base) var(--ease),
              box-shadow var(--t-base) var(--ease),
              border-color var(--t-base) var(--ease);
}
.product-item:hover {
  transform: translateY(-3px);
  border-color: var(--teal);
  box-shadow: var(--shadow-md);
}
.product-item .product-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--teal-light);
  color: var(--teal-dark);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700;
  margin-bottom: 18px;
}
.product-item h3 {
  font-size: 17px; margin-bottom: 8px;
}
.product-item p {
  font-size: 14px; color: var(--gray-4); line-height: 1.75;
}
.product-grid {
  grid-template-columns: 2fr 1fr;
}
@media (max-width: 720px) {
  .product-grid { grid-template-columns: 1fr; }
}
.product-item--featured {
  background: linear-gradient(135deg, #fff 0%, var(--teal-light) 100%);
  border-color: var(--teal);
  padding: 32px 28px;
}
.product-item--featured .product-icon {
  background: var(--teal);
  color: #fff;
  width: 52px; height: 52px;
  font-size: 22px;
}
.product-item--featured h3 { font-size: 19px; }

/* ====== TOP用：FAQ アコーディオン（<details>） ====== */
.faq-section { padding: clamp(72px, 8vw, 96px) 0; background: #fff; }
.faq-list { margin-top: 32px; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid var(--gray-2);
  border-radius: 6px;
  background: #fff;
  overflow: hidden;
  transition: border-color var(--t-base) var(--ease),
              box-shadow var(--t-base) var(--ease);
}
.faq-item[open] { border-color: var(--teal); box-shadow: var(--shadow-sm); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 24px 18px 56px;
  font-size: 15px;
  font-weight: 700;
  position: relative;
  transition: background-color var(--t-base) var(--ease);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: "Q";
  position: absolute; left: 22px; top: 50%; transform: translateY(-50%);
  font-family: 'Noto Serif JP', serif;
  color: var(--teal-dark);
  font-size: 16px;
}
.faq-item summary::after {
  content: "+";
  position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  font-size: 20px;
  color: var(--gray-3);
  transition: transform var(--t-base) var(--ease);
}
.faq-item[open] summary::after { content: "−"; }
.faq-item summary:hover { background: var(--gray-1); }
.faq-item .faq-body {
  padding: 0 24px 22px 56px;
  font-size: 14px;
  color: var(--gray-4);
  line-height: 1.85;
  position: relative;
}
.faq-item .faq-body::before {
  content: "A";
  position: absolute; left: 22px; top: 0;
  font-family: 'Noto Serif JP', serif;
  color: var(--warn);
  font-size: 16px;
  font-weight: 700;
}

/* ====== TOP用：もっと見るセクション（左サイド見出し＋右3カラム） ====== */
.more-section {
  padding: clamp(64px, 8vw, 96px) 0;
  background: #fafbfc;
}
.more-layout {
  display: grid;
  grid-template-columns: minmax(180px, 240px) 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
  max-width: 1120px;
  margin: 0 auto;
}
.more-head {
  position: sticky;
  top: 100px;
  padding-top: 8px;
  border-top: 2px solid #1a2733;
}
.more-eyebrow {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--accent, #00AEBB);
  font-weight: 600;
  margin-bottom: 12px;
}
.more-head h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #1a2733;
  line-height: 1.3;
  margin: 0;
}
.more-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.more-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  padding: 32px 24px 28px;
  min-height: 180px;
  background: #fff;
  border: 1px solid #e6ebef;
  border-radius: 6px;
  text-decoration: none;
  color: inherit;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
  overflow: hidden;
}
.more-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: var(--card-color, #00AEBB);
  transition: height .25s ease;
}
.more-card:hover {
  border-color: var(--card-color, #00AEBB);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .06);
}
.more-card:hover::before { height: 5px; }
.more-card--cyan   { --card-color: #00AEBB; }
.more-card--deep   { --card-color: #00808a; }
.more-card--orange { --card-color: #c8542b; }
.more-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--card-color, #1a2733);
  letter-spacing: 0.02em;
}
.more-card p {
  font-size: 13px;
  color: #6b7785;
  line-height: 1.6;
  margin: 0;
  flex-grow: 1;
}
.more-card .more-arrow {
  display: inline-block;
  align-self: flex-end;
  margin-top: 24px;
  font-size: 18px;
  color: var(--card-color, #00AEBB);
  transition: transform .2s ease;
}
.more-card:hover .more-arrow { transform: translateX(6px); }
@media (max-width: 900px) {
  .more-layout { grid-template-columns: 1fr; gap: 32px; }
  .more-head { position: static; border-top: none; padding-top: 0; }
}
@media (max-width: 600px) {
  .more-grid { grid-template-columns: 1fr; }
}

/* ====== TOP用：締めCTAセクション（既存 .cta-section を踏襲しつつ強化） ====== */
.cta-section {
  padding: clamp(80px, 10vw, 120px) 0;
  position: relative; overflow: hidden;
}
.cta-section::after {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(0,174,187,.18) 0, transparent 50%);
  pointer-events: none;
}
.cta-section .container { position: relative; z-index: 1; max-width: 720px; }
.cta-section h2 { font-size: clamp(24px, 3.2vw, 34px); margin-bottom: 16px; }
.cta-section .cta-lead {
  color: rgba(255,255,255,.78);
  font-size: 15px;
  max-width: 560px;
  margin: 0 auto 28px;
  line-height: 1.85;
}
.cta-section .cta-row { justify-content: center; }

/* セクション共通：上下余白を強化（羅列感の解消） */
.section { padding: clamp(64px, 8vw, 96px) 0; }

/* セクション共通：見出し下のリードを中央寄せにする亜種 */
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 12px;
}
.section-head .eyebrow { display: inline-block; margin-bottom: 16px; }
.section-head h2 { margin-bottom: 14px; }
.section-head p {
  color: var(--gray-4);
  font-size: 14px;
  line-height: 1.85;
}

/* ====== 事例一覧：準備中カード ====== */
.card--coming {
  background: #fafbfb;
  border: 1px dashed var(--gray-2);
  border-radius: 8px;
  overflow: hidden;
  display: block;
  opacity: 0.78;
  cursor: not-allowed;
  transition: opacity 0.3s;
}
.card--coming:hover { opacity: 1; }
.card-media--placeholder {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #eef3f4 0%, #f7f9fa 100%);
  display: grid;
  place-items: center;
  color: var(--gray-3);
  font-size: 13px;
  letter-spacing: 0.12em;
  font-weight: 500;
}
.card-media--placeholder span {
  display: inline-block;
  padding: 6px 16px;
  background: #fff;
  border: 1px solid var(--gray-2);
  border-radius: 4px;
}
.card--coming .card-foot {
  color: var(--gray-3);
}
.case-note {
  margin-top: 36px;
  font-size: 12px;
  color: var(--gray-3);
  line-height: 1.8;
  text-align: center;
}

/* ====== TOP用：Hero下 定量カードストリップ ====== */
.stats-strip {
  background: linear-gradient(180deg, #fff 0%, var(--gray-1) 100%);
  padding: clamp(56px, 7vw, 90px) 0;
  border-bottom: 1px solid var(--gray-2);
}
.stats-strip__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: clamp(20px, 3vw, 48px);
  max-width: 1100px;
  margin: 0 auto;
}
.stats-strip__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
}
.stats-strip__label {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(12px, 0.95vw, 13px);
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--teal-dark);
  text-transform: uppercase;
}
.stats-strip__num {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
  margin: 2px 0 4px;
  white-space: nowrap;
}
.stats-strip__count {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(40px, 4.8vw, 68px);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.stats-strip__unit {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(13px, 1.1vw, 16px);
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}
.stats-strip__note {
  font-size: 12.5px;
  color: var(--gray-4);
  line-height: 1.7;
  max-width: 240px;
}
.stats-strip__divider {
  width: 1px;
  height: 80px;
  background: linear-gradient(180deg, transparent 0%, var(--gray-2) 35%, var(--gray-2) 65%, transparent 100%);
}
@media (max-width: 880px) {
  .stats-strip__grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .stats-strip__divider {
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--gray-2) 35%, var(--gray-2) 65%, transparent 100%);
    justify-self: center;
  }
}

/* ====== TOP用：3つの強み（中央巨大→四隅退避型 スクロール演出） ====== */
.top-strength-scroll {
  position: relative;
  background: #fff;
  /* 5段階 + 余白で約540vh分のスクロール領域 */
  height: 540vh;
}
.top-strength-scroll__inner {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: #fff;
  /* スクロール中の再合成を抑制 */
  contain: layout paint;
}
.top-strength-scroll__head {
  flex: 0 0 auto;
  text-align: center;
  padding: clamp(40px, 6vw, 72px) 24px clamp(20px, 3vw, 32px);
}
.top-strength-scroll__head .eyebrow {
  display: inline-block;
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.32em;
  color: var(--teal);
  margin-bottom: 14px;
}
.top-strength-scroll__head h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
  margin: 0;
}
.top-strength-scroll__stage {
  position: relative;
  flex: 1 1 auto;
  width: 100%;
  /* 中心基準で配置するため */
}
.ts-card {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(720px, 78vw);
  padding: clamp(32px, 4vw, 52px) clamp(28px, 3.5vw, 48px);
  background: var(--gray-1);
  border-radius: 14px;
  border-top: 4px solid var(--teal);
  box-shadow: 0 8px 20px -16px rgba(0, 60, 70, 0.28);
  transform-origin: center center;
  transform: translate3d(-50%, -50%, 0) scale(0.85);
  opacity: 0;
  transition:
    transform 0.42s cubic-bezier(0.33, 0.8, 0.4, 1),
    opacity 0.32s linear;
  backface-visibility: hidden;
  /* 子要素のレイアウト・ペイント影響を隔離してブラウザに最適化を許可 */
  contain: layout paint;
}
/* セクション内に入った時だけ GPU レイヤー化 */
.top-strength-scroll.is-active .ts-card {
  will-change: transform, opacity;
}
.ts-card__num {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.ts-card__title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  line-height: 1.45;
  margin: 0 0 16px;
  color: var(--ink);
}
.ts-card__desc {
  font-size: 15px;
  line-height: 1.9;
  color: var(--gray-4);
  margin: 0;
}

/* デフォルト（active 状態 = 中央巨大） */
.ts-card.is-center {
  transform: translate3d(-50%, -50%, 0) scale(1);
  opacity: 1;
  z-index: 3;
}
/* 退避位置共通：縮小して半透明 */
.ts-card.is-tl,
.ts-card.is-tr,
.ts-card.is-bl,
.ts-card.is-br {
  opacity: 0.85;
  z-index: 2;
  cursor: pointer;
}
/* 左上小（translate3d でGPU合成、vw/vh単位は事前計算済みなので軽い） */
.ts-card.is-tl {
  transform: translate3d(-50%, -50%, 0) translate3d(-32vw, -25vh, 0) scale(0.38);
}
.ts-card.is-tr {
  transform: translate3d(-50%, -50%, 0) translate3d(32vw, -25vh, 0) scale(0.38);
}
.ts-card.is-bl {
  transform: translate3d(-50%, -50%, 0) translate3d(-32vw, 22vh, 0) scale(0.38);
}
.ts-card.is-br {
  transform: translate3d(-50%, -50%, 0) translate3d(32vw, 22vh, 0) scale(0.38);
}

/* ホバー時：退避位置を保ちつつ拡大表示（box-shadow変化は外す） */
.ts-card.is-tl:hover {
  transform: translate3d(-50%, -50%, 0) translate3d(-22vw, -16vh, 0) scale(0.72);
  opacity: 1;
  z-index: 6;
}
.ts-card.is-tr:hover {
  transform: translate3d(-50%, -50%, 0) translate3d(22vw, -16vh, 0) scale(0.72);
  opacity: 1;
  z-index: 6;
}
.ts-card.is-bl:hover {
  transform: translate3d(-50%, -50%, 0) translate3d(-22vw, 14vh, 0) scale(0.72);
  opacity: 1;
  z-index: 6;
}
.ts-card.is-br:hover {
  transform: translate3d(-50%, -50%, 0) translate3d(22vw, 14vh, 0) scale(0.72);
  opacity: 1;
  z-index: 6;
}
/* 待機（まだ登場前） */
.ts-card.is-pending {
  transform: translate3d(-50%, -30%, 0) scale(0.85);
  opacity: 0;
  z-index: 1;
}

/* 進行ドット */
.top-strength-scroll__progress {
  position: absolute;
  bottom: clamp(20px, 3vw, 32px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 14px;
  z-index: 5;
}
.top-strength-scroll__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-2);
  transition: background 0.4s ease, transform 0.4s ease;
}
.top-strength-scroll__dot.is-active {
  background: var(--teal);
  transform: scale(1.4);
}
.top-strength-scroll__foot {
  flex: 0 0 auto;
  text-align: center;
  padding: 0 24px clamp(28px, 4vw, 44px);
}

/* SP：高さを縮め、退避位置を画面端寄りに調整 */
@media (max-width: 820px) {
  .top-strength-scroll {
    height: 480vh;
  }
  .ts-card {
    width: 86vw;
    padding: 28px 22px;
  }
  .ts-card.is-tl {
    transform: translate(-50%, -50%) translate(-28vw, -22vh) scale(0.32);
  }
  .ts-card.is-tr {
    transform: translate(-50%, -50%) translate(28vw, -22vh) scale(0.32);
  }
  .ts-card.is-bl {
    transform: translate(-50%, -50%) translate(-28vw, 20vh) scale(0.32);
  }
  .ts-card.is-br {
    transform: translate(-50%, -50%) translate(28vw, 20vh) scale(0.32);
  }
}

/* ====== TOP用：ISSUES 8項目グリッド（タイトルのみ・大判） ====== */
/* ====== TOP用：曼荼羅レイアウト ====== */
.mandala-section {
  padding: clamp(80px, 10vw, 130px) 0;
  background:
    radial-gradient(ellipse at center, #fff 0%, var(--gray-1) 75%);
  position: relative;
  overflow: hidden;
}
.mandala-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 50% 50%, rgba(0,140,210,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.mandala {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 220px);
  gap: 18px;
  margin-top: 56px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* 放射状の装飾線 */
.mandala__rays {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  stroke: var(--teal);
  stroke-width: 0.08;
  opacity: 0;
  transition: opacity 1.5s ease 0.6s;
}
.mandala:has(.is-in) .mandala__rays { opacity: 0.22; }

/* セル共通 */
.mandala__cell,
.mandala__center {
  position: relative;
  background: #fff;
  border: 1px solid var(--gray-2);
  border-radius: 10px;
  padding: 24px 24px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  word-break: keep-all;
  overflow-wrap: anywhere;
  line-break: strict;
  z-index: 1;
  transition: transform 0.55s cubic-bezier(0.2,0.7,0.2,1),
              box-shadow 0.55s cubic-bezier(0.2,0.7,0.2,1),
              border-color 0.55s ease;
}
/* ====== 周囲8カード：平常はミニマル／ホバーで拡大して内容表示 ====== */
.mandala__cell {
  overflow: hidden;
  cursor: pointer;
  transition:
    transform 0.5s cubic-bezier(0.2,0.7,0.2,1),
    box-shadow 0.5s ease,
    border-color 0.5s ease,
    z-index 0s linear 0.5s;
}
.mandala__cell:hover {
  z-index: 5;
  transform: scale(1.18) translateY(-6px);
  box-shadow:
    0 36px 64px -20px rgba(0,80,140,0.42),
    0 0 0 1px rgba(0,140,210,0.6),
    inset 0 0 60px rgba(0,140,210,0.08);
  border-color: rgba(0,140,210,0.8);
  transition-delay: 0s;
}
/* ホバー時にカード内に波紋を一発走らせる */
.mandala__cell::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60px;
  height: 60px;
  margin: -30px 0 0 -30px;
  border-radius: 50%;
  border: 2px solid rgba(0,140,210,0.7);
  opacity: 0;
  pointer-events: none;
  z-index: 0;
  transform: scale(0.4);
}
.mandala__cell:hover::before {
  animation: mandala-hover-pulse 1.1s cubic-bezier(0.16, 0.84, 0.44, 1) forwards;
}
@keyframes mandala-hover-pulse {
  0%   { opacity: 0;    transform: scale(0.4); }
  20%  { opacity: 0.9;  transform: scale(0.6); }
  100% { opacity: 0;    transform: scale(5);   border-width: 0.5px; }
}
/* ホバー時：数字が大きく前景に */
.mandala__num {
  transition: color 0.4s ease, opacity 0.4s ease, transform 0.45s cubic-bezier(0.2,0.7,0.2,1);
  transform-origin: top right;
}
.mandala__cell:hover .mandala__num {
  color: rgba(0,140,210,0.95);
  opacity: 0.95;
  transform: scale(1.1);
}
.mandala__cell h3 {
  transition: transform 0.45s cubic-bezier(0.2,0.7,0.2,1), color 0.3s ease;
}
.mandala__cell:hover h3 {
  transform: translateY(-4px);
  color: var(--teal-dark);
}

/* 本文ブロック：平常時は非表示／ホバーで現れる */
.mandala__cell-detail {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
  overflow: hidden;
  transform: translateY(8px);
  transition:
    max-height 0.5s cubic-bezier(0.2,0.7,0.2,1),
    opacity 0.4s ease 0.05s,
    transform 0.5s cubic-bezier(0.2,0.7,0.2,1),
    margin-top 0.5s cubic-bezier(0.2,0.7,0.2,1);
}
.mandala__cell:hover .mandala__cell-detail {
  max-height: 240px;
  opacity: 1;
  margin-top: 12px;
  transform: translateY(0);
}
.mandala__cell-label {
  display: inline-block;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--teal);
  background: rgba(0,174,187,0.1);
  padding: 4px 8px;
  border-radius: 3px;
  margin-bottom: 8px;
}
.mandala__cell-detail p {
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--gray-4);
  margin: 0;
  text-wrap: pretty;
}

/* ====== 中央セル：サイズ不変／別の斬新な動的演出 ====== */
.mandala__center {
  /* hover時の transform は付けない（指示：常に一定で見える） */
  transition: box-shadow 0.5s ease;
}
.mandala__center:hover {
  box-shadow:
    0 36px 80px -22px rgba(0,40,55,0.6),
    inset 0 0 0 1px rgba(0,140,210,0.6),
    0 0 60px rgba(0,140,210,0.25);
}
/* 中央セルに常時走るスキャナー風スイープ（::before に重ねる別レイヤー） */
.mandala__center-sweep {
  position: absolute;
  inset: -10%;
  border-radius: 50%;
  background: conic-gradient(from 0deg at 50% 50%,
    transparent 0deg,
    rgba(0,140,210,0.22) 30deg,
    transparent 90deg,
    transparent 360deg);
  pointer-events: none;
  z-index: 0;
  animation: mandala-center-sweep 6s linear infinite;
  mix-blend-mode: screen;
}
@keyframes mandala-center-sweep {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.mandala__num {
  position: absolute;
  top: 18px;
  right: 22px;
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(34px, 3.5vw, 48px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--teal);
  opacity: 0.55;
  pointer-events: none;
}
.mandala__cell h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(15px, 1.2vw, 17px);
  font-weight: 700;
  line-height: 1.6;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
  word-break: auto-phrase;
}
.mandala__cell p {
  font-size: 13px;
  line-height: 1.85;
  color: var(--gray-4);
  margin: 0;
  text-wrap: pretty;
  word-break: auto-phrase;
}

/* 配置（3×3） */
.mandala__cell--p1 { grid-column: 1; grid-row: 1; }
.mandala__cell--p2 { grid-column: 2; grid-row: 1; }
.mandala__cell--p3 { grid-column: 3; grid-row: 1; }
.mandala__cell--p4 { grid-column: 3; grid-row: 2; }
.mandala__center  { grid-column: 2; grid-row: 2; }
.mandala__cell--p5 { grid-column: 3; grid-row: 3; }
.mandala__cell--p6 { grid-column: 2; grid-row: 3; }
.mandala__cell--p7 { grid-column: 1; grid-row: 3; }
.mandala__cell--p8 { grid-column: 1; grid-row: 2; }

/* 中央セル：解決の約束 */
.mandala__center {
  background: linear-gradient(135deg, var(--ink) 0%, #1a2a36 60%, var(--teal-dark) 130%);
  color: #fff;
  border: none;
  align-items: center;
  text-align: center;
  justify-content: center;
  padding: 32px 26px;
  box-shadow:
    0 28px 60px -22px rgba(0,40,55,0.45),
    inset 0 0 0 1px rgba(0,140,210,0.3);
  overflow: hidden;
}
.mandala__center::before {
  content: '';
  position: absolute;
  inset: -2px;
  background:
    radial-gradient(circle at 50% 50%, rgba(0,140,210,0.35) 0%, transparent 65%);
  pointer-events: none;
}
.mandala__center-eyebrow {
  position: relative;
  font-family: 'Noto Serif JP', serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.35em;
  color: var(--teal);
  margin-bottom: 14px;
  z-index: 1;
}
.mandala__center-title {
  position: relative;
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: #fff;
  margin: 0 0 16px 0;
  z-index: 1;
}
.mandala__center-lead {
  position: relative;
  font-size: 12.5px;
  line-height: 1.9;
  color: rgba(255,255,255,0.82);
  margin: 0;
  z-index: 1;
}
/* 中央セルの基本円（コア） */
.mandala__center-mark {
  position: absolute;
  width: 120px;
  height: 120px;
  border: 1.5px solid rgba(0,140,210,0.65);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
  animation: none;
  box-shadow: 0 0 24px rgba(0,140,210,0.25);
}
.mandala:has(.is-in) .mandala__center-mark {
  animation: mandala-pulse-core 3.6s ease-in-out infinite;
}

/* 中央セルからカード全体に広がる波紋リング3本（カード枠で overflow:hidden により切り抜き） */
.mandala__center-mark::before,
.mandala__center-mark::after,
.mandala__center::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120px;
  height: 120px;
  margin: -60px 0 0 -60px;
  border-radius: 50%;
  border: 1.5px solid rgba(0,140,210,0.55);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  animation: none;
}
.mandala__center-mark::before,
.mandala__center-mark::after {
  margin: 0;
  inset: 0;
  top: auto;
  left: auto;
  width: 100%;
  height: 100%;
}
.mandala:has(.is-in) .mandala__center-mark::before,
.mandala:has(.is-in) .mandala__center-mark::after,
.mandala:has(.is-in) .mandala__center::after {
  animation: mandala-ring-out 3.6s cubic-bezier(0.22, 0.61, 0.36, 1) infinite;
}
.mandala__center-mark::before { animation-delay: 0s; }
.mandala__center-mark::after  { animation-delay: 1.2s; }
.mandala__center::after       { animation-delay: 2.4s; }

@keyframes mandala-pulse-core {
  0%, 100% {
    opacity: 0.65;
    transform: translate(-50%, -50%) scale(1);
    box-shadow: 0 0 18px rgba(0,140,210,0.22);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.08);
    box-shadow: 0 0 32px rgba(0,140,210,0.45);
  }
}

@keyframes mandala-ring-out {
  0%   {
    transform: scale(0.55);
    opacity: 0;
    border-width: 2px;
  }
  10%  {
    opacity: 0.85;
  }
  100% {
    transform: scale(3.4);
    opacity: 0;
    border-width: 0.5px;
  }
}

/* 8カード内の波紋は廃止（中央セル内のみで波紋演出） */

@media (prefers-reduced-motion: reduce) {
  .mandala__center-mark,
  .mandala__center-mark::before,
  .mandala__center-mark::after,
  .mandala__cell::before,
  .mandala__cell::after { animation: none; }
}

/* スクロール連動アニメーション */
.reveal {
  opacity: 0;
  transform: translateY(24px) scale(0.97);
  transition: opacity 0.85s ease,
              transform 0.85s cubic-bezier(0.2,0.7,0.2,1);
}
.reveal.is-in {
  opacity: 1;
  transform: translateY(0) scale(1);
}
/* 周囲→中央の順 */
.mandala__cell--p1.is-in { transition-delay: 0.05s; }
.mandala__cell--p2.is-in { transition-delay: 0.12s; }
.mandala__cell--p3.is-in { transition-delay: 0.19s; }
.mandala__cell--p4.is-in { transition-delay: 0.26s; }
.mandala__cell--p5.is-in { transition-delay: 0.33s; }
.mandala__cell--p6.is-in { transition-delay: 0.40s; }
.mandala__cell--p7.is-in { transition-delay: 0.47s; }
.mandala__cell--p8.is-in { transition-delay: 0.54s; }
.mandala__center.is-in   { transition-delay: 0.78s; }

/* レスポンシブ */
@media (max-width: 1024px) {
  .mandala {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
  }
  .mandala__cell,
  .mandala__center { grid-column: auto; grid-row: auto; }
  .mandala__center { grid-column: 1 / -1; min-height: 220px; }
  .mandala__rays { display: none; }
}
@media (max-width: 600px) {
  .mandala { grid-template-columns: 1fr; }
}

/* ====== 下層ページ用 シンプル明色ヒーロー（ソリューションと同等） ====== */
/* 適用先: 導入事例一覧 / FAQ / 会社紹介 など */
.page-hero,
.case-list-hero {
  background:
    radial-gradient(circle at 15% 20%, rgba(0,174,187,.06), transparent 55%),
    radial-gradient(circle at 88% 80%, rgba(200,84,43,.04), transparent 55%),
    #fafbfb;
  color: var(--ink);
  padding: clamp(48px, 7vw, 100px) 0 clamp(40px, 5vw, 60px);
  position: relative;
  overflow: hidden;
  min-height: 0;
  display: block;
  border-bottom: 1px solid var(--gray-2);
}
.page-hero .container,
.case-list-hero .container { position: relative; z-index: 1; }
.page-hero .crumbs,
.page-hero .crumbs a,
.case-list-hero .crumbs,
.case-list-hero .crumbs a { color: rgba(26,35,38,.5); }
.page-hero .crumbs a:hover,
.case-list-hero .crumbs a:hover { color: var(--teal-dark); }
.page-hero .eyebrow,
.case-list-hero .eyebrow {
  color: var(--teal-dark);
  letter-spacing: .2em;
  font-size: 11px;
  font-weight: 700;
  border-left-color: var(--teal);
  margin-bottom: 14px;
}
.page-hero h1,
.case-list-hero h1 {
  font-family: 'Noto Serif JP', serif;
  color: var(--ink);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  margin: 12px 0 18px;
  letter-spacing: .02em;
  line-height: 1.4;
  text-shadow: none;
  opacity: 1;
}
.page-hero .lead,
.case-list-hero .lead {
  color: rgba(26,35,38,.65);
  font-size: 14px;
  line-height: 1.9;
  max-width: 720px;
  text-shadow: none;
  opacity: 1;
  transform: none;
}