:root {
  --bg: #ffffff;
  --fg: #27324a;
  --muted: #6b7280;
  --muted-bg: #f6f8fc;
  --primary: #00a4ac;
  --primary-dark: #007f85;
  --accent: #7cc7ff;
  --border: #e6ebf4;
  --footer: #1f2937;
  --radius: 24px;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 28px 70px rgba(0, 164, 172, 0.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family: Inter, 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', system-ui, sans-serif;color:var(--fg);background:var(--bg);line-height:1.65}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1120px, calc(100% - 48px));margin:0 auto}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,235,244,.8)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0;gap:24px}
.logo img{height:37px;width:auto}
.header-right{display:flex;align-items:center;gap:32px}
.nav{display:flex;gap:28px;align-items:center;font-size:14px;color:var(--muted)}
.nav a:hover{color:var(--fg)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 24px;border-radius:999px;font-weight:700;transition:.2s ease;gap:10px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 24px rgba(0,164,172,.22)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}
.btn-secondary{background:#eef4fb;color:var(--fg)}
.btn-secondary:hover{background:#e6eef9}
.hero{position:relative;overflow:hidden;padding:84px 0 72px;background:linear-gradient(135deg, #ffffff 0%, #f4fbfc 38%, #eef4ff 100%)}
.hero::before{content:'';position:absolute;inset:0;background:
 radial-gradient(circle at 18% 24%, rgba(0,164,172,.18) 0%, transparent 26%),
 radial-gradient(circle at 86% 18%, rgba(124,199,255,.22) 0%, transparent 24%),
 radial-gradient(circle at 80% 84%, rgba(125,93,250,.16) 0%, transparent 28%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.badge{display:inline-flex;padding:8px 14px;border-radius:999px;background:rgba(0,164,172,.1);color:var(--primary);font-size:14px;font-weight:700;margin-bottom:24px}
.hero h1{font-size:clamp(40px, 6vw, 68px);line-height:1.08;letter-spacing:-.03em;margin:0 0 20px}
.hero h1 span{color:var(--primary)}
.lead{font-size:18px;color:var(--muted);max-width:580px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.visual-wrap{position:relative}
.visual-wrap::before{content:'';position:absolute;inset:-18px;background:radial-gradient(circle at 30% 30%, rgba(0,164,172,.20), transparent 55%),radial-gradient(circle at 70% 60%, rgba(124,199,255,.24), transparent 50%);filter:blur(22px)}
.visual-card{position:relative;background:#fff;border-radius:32px;padding:14px;box-shadow:var(--shadow-lg)}
.visual-card img{border-radius:24px;aspect-ratio:1/1;object-fit:cover}
.section{padding:96px 0}
.section-muted{background:var(--muted-bg)}
.section-head{max-width:760px;margin:0 auto 56px;text-align:center}
.section-kicker{color:var(--primary);font-weight:700;font-size:14px;margin-bottom:12px}
.section-head h2{font-size:clamp(30px, 4vw, 48px);line-height:1.2;margin:0 0 16px}
.section-head p{margin:0;color:var(--muted);font-size:18px}
.cards-3,.cards-2,.cards-6{display:grid;gap:24px}
.cards-3{grid-template-columns:repeat(3,1fr)}
.cards-2{grid-template-columns:repeat(2,1fr)}
.cards-6{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--border);border-radius:28px;padding:32px;box-shadow:var(--shadow)}
.icon-box{width:56px;height:56px;border-radius:18px;background:rgba(0,164,172,.1);display:grid;place-items:center;margin-bottom:18px;color:var(--primary);font-size:26px}
.card h3{margin:0 0 10px;font-size:22px}
.card p{margin:0;color:var(--muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.checks{list-style:none;padding:0;margin:24px 0 0}
.checks li{display:flex;align-items:center;gap:12px;margin:12px 0}
.check{width:22px;height:22px;border-radius:999px;background:rgba(0,164,172,.1);color:var(--primary);display:grid;place-items:center;font-size:14px;font-weight:700;flex:0 0 auto}
.stats-panel{position:relative;background:linear-gradient(135deg, rgba(0,164,172,.06), rgba(124,199,255,.12));border-radius:32px;padding:34px;box-shadow:var(--shadow)}
.stats-panel::before{content:'';position:absolute;inset:-18px;background:radial-gradient(circle at 12% 20%, rgba(0,164,172,.16), transparent 30%),radial-gradient(circle at 86% 80%, rgba(124,199,255,.18), transparent 28%);filter:blur(20px)}
.stats-grid{position:relative;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.stat{background:#fff;border-radius:24px;padding:24px;border:1px solid var(--border)}
.stat strong{display:block;font-size:40px;color:var(--primary);line-height:1}
.stat span{display:block;margin-top:8px;color:var(--muted);font-size:14px}
.feature-card{position:relative;overflow:hidden}
.feature-card::after{content:'';position:absolute;inset:auto -25% -55% auto;width:140px;height:140px;border-radius:999px;background:radial-gradient(circle, rgba(124,199,255,.2), transparent 68%)}
.dashboard-shell{position:relative}
.dashboard-shell::before{content:'';position:absolute;inset:-16px;background:linear-gradient(135deg, rgba(0,164,172,.08), rgba(124,199,255,.08), transparent 70%);border-radius:34px;filter:blur(18px)}
.dashboard-card{position:relative;border:1px solid var(--border);border-radius:28px;overflow:hidden;background:#fff;box-shadow:var(--shadow-lg)}
.window-bar{display:flex;align-items:center;gap:8px;padding:14px 18px;background:#f5f7fb;border-bottom:1px solid var(--border);font-size:12px;color:var(--muted)}
.dot{width:11px;height:11px;border-radius:999px}
.dot.red{background:#fb7185}.dot.yellow{background:#fbbf24}.dot.green{background:#4ade80}
.news-list{display:grid;gap:18px}
.news-row{display:grid;grid-template-columns:160px 110px 1fr 20px;gap:18px;align-items:center;padding:24px;border:1px solid var(--border);border-radius:24px;background:#fff;box-shadow:var(--shadow);transition:.2s ease}
.news-row:hover,.news-card:hover,.case-card:hover{transform:translateY(-2px);border-color:rgba(0,164,172,.35);box-shadow:var(--shadow-lg)}
.tag{display:inline-flex;align-items:center;justify-content:center;padding:7px 12px;border-radius:999px;background:rgba(0,164,172,.1);color:var(--primary);font-size:12px;font-weight:700;width:max-content}
.arrow{font-size:20px;color:var(--muted)}
.case-card h3{display:flex;align-items:flex-start;gap:10px}
.metrics{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.metric{background:var(--muted-bg);padding:16px 18px;border-radius:18px}
.metric strong{display:block;font-size:28px;color:var(--primary);line-height:1.1}
.metric span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
.cta-box{position:relative;overflow:hidden;border-radius:36px;padding:72px 32px;background:linear-gradient(135deg, var(--primary), #0098bf 60%, #2563eb 100%);color:#fff;text-align:center;box-shadow:var(--shadow-lg)}
.cta-box::before,.cta-box::after{content:'';position:absolute;border-radius:999px;filter:blur(10px)}
.cta-box::before{width:280px;height:280px;right:-80px;top:-120px;background:rgba(255,255,255,.12)}
.cta-box::after{width:190px;height:190px;left:-70px;bottom:-70px;background:rgba(255,255,255,.08)}
.cta-box p{max-width:680px;margin:0 auto 30px;color:rgba(255,255,255,.86);font-size:18px}
.footer{background:var(--footer);color:#fff;padding:72px 0 28px;margin-top:0}
.footer-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-logo img{height:34px;filter:brightness(0) invert(1);margin-bottom:14px}
.footer p,.footer a{color:rgba(255,255,255,.72)}
.footer-links{display:flex;gap:72px;flex-wrap:wrap}
.footer-links h4{margin:0 0 16px;font-size:16px;color:#fff}
.footer-links ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.copy{text-align:center;padding-top:20px;color:rgba(255,255,255,.48);font-size:12px}
.page-header{padding:72px 0 26px;background:linear-gradient(180deg,#fafcfe 0%, #ffffff 100%)}
.breadcrumb{display:flex;gap:10px;align-items:center;font-size:14px;color:var(--muted);margin-bottom:24px;flex-wrap:wrap}
.breadcrumb span.current{color:var(--fg);font-weight:700}
.page-title h1{font-size:clamp(32px,4vw,46px);margin:0 0 14px}
.page-title p{color:var(--muted);max-width:760px;margin:0}
.filter-row{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 34px}
.filter-pill{padding:10px 16px;border-radius:999px;background:var(--muted-bg);color:var(--muted);font-size:14px;font-weight:700}
.filter-pill.active{background:var(--primary);color:#fff}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:block;background:#fff;border:1px solid var(--border);border-radius:26px;overflow:hidden;box-shadow:var(--shadow);transition:.2s ease}
.news-card-cover{aspect-ratio:16/9;background:linear-gradient(135deg, rgba(0,164,172,.08), rgba(124,199,255,.12));display:grid;place-items:center;color:rgba(0,164,172,.28);font-size:38px}
.news-card-body{padding:24px}
.pagination{display:flex;justify-content:center;gap:10px;margin-top:42px;flex-wrap:wrap}
.page-chip{padding:10px 14px;border-radius:12px;background:var(--muted-bg);color:var(--muted);font-weight:700;font-size:14px}
.page-chip.active{background:var(--primary);color:#fff}
.article{padding:42px 0 86px}
.article-header{margin-bottom:28px}
.article-header h1{font-size:clamp(34px,4vw,52px);line-height:1.2;margin:16px 0 0}
.article-meta{display:flex;gap:14px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:14px}
.article-cover{aspect-ratio:16/9;border-radius:28px;background:linear-gradient(135deg, rgba(0,164,172,.08), rgba(124,199,255,.12));display:grid;place-items:center;color:rgba(0,164,172,.28);font-size:56px;margin:0 0 38px;border:1px solid var(--border)}
.prose{font-size:18px;color:var(--fg)}
.prose h2{font-size:32px;margin:42px 0 14px;line-height:1.25}.prose h3{font-size:24px;margin:30px 0 12px}
.prose p{margin:0 0 18px}.prose ul{margin:0 0 22px 1.2rem}.prose li{margin:8px 0}
.back-link{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:700;margin-top:36px}
.adjacent{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:28px}
.adjacent a{display:block;padding:22px;background:var(--muted-bg);border-radius:20px;border:1px solid var(--border)}
.adjacent small{display:block;color:var(--muted);margin-bottom:8px}
.contact-grid{display:grid;grid-template-columns:1fr .85fr;gap:36px;padding:34px 0 86px}
.panel{background:#fff;border:1px solid var(--border);border-radius:28px;padding:32px;box-shadow:var(--shadow)}
.form-grid{display:grid;gap:18px}.field label{display:block;font-weight:700;font-size:14px;margin-bottom:8px}.req{color:#ef4444}
.input, textarea{width:100%;padding:15px 16px;border-radius:16px;border:1px solid var(--border);background:#f9fbfe;font:inherit;color:var(--fg)}
textarea{min-height:150px;resize:vertical}
.helper{font-size:14px;color:var(--muted)}
.contact-box{display:grid;gap:16px;margin-top:26px}.contact-item{display:flex;gap:14px;align-items:flex-start;padding:18px;background:var(--muted-bg);border-radius:20px}.contact-icon{width:44px;height:44px;border-radius:14px;background:#fff;display:grid;place-items:center;color:var(--primary);box-shadow:var(--shadow)}
.inline-check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted)}
.inline-check input{margin-top:4px}
.note{padding:16px 18px;background:#ecfeff;border:1px solid rgba(0,164,172,.18);border-radius:16px;color:#0f4c5c;font-size:14px}
.mobile-nav{display:none}
.br-sp{display:none}
@media (max-width: 1024px){.hero-grid,.split,.contact-grid,.cards-6,.cards-3,.cards-2,.news-grid{grid-template-columns:1fr 1fr}.news-row{grid-template-columns:1fr;gap:12px}.news-row .arrow{display:none}}
@media (max-width: 768px){.container{width:min(100% - 32px, 1120px)}.nav{display:none}.mobile-nav{display:flex}.hero{padding-top:48px}.hero-grid,.split,.contact-grid,.cards-6,.cards-3,.cards-2,.news-grid,.adjacent{grid-template-columns:1fr}.section{padding:72px 0}.footer-grid{display:grid}.footer-links{gap:32px}.cta-box{padding:56px 24px}.page-header{padding-top:48px}.br-sp{display:block}.cta-box h2{font-size:clamp(24px,7vw,40px) !important}.hero h1{font-size:clamp(26px,8vw,32px) !important}.section-head h2{font-size:clamp(24px,6.4vw,30px) !important}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px}.metric{text-align:left}}