:root{
  --theme:#3088ea;
  --theme-dark:#0f5fb8;
  --theme-deep:#07345f;
  --theme-light:#eef7ff;
  --theme-soft:#dceeff;
  --theme-accent:#72b7ff;
  --theme-hover:#1f75d1;
  --theme-border:rgba(48,136,234,.28);
  --header-bg:#0b477f;
  --header-bg-2:#07345f;
  --text-main:#08223d;
  --text-muted:#49677f;
  --on-theme:#ffffff;
  --on-header:#f4faff;
  --on-dark:#eef7ff;
  --white:#ffffff;
  --shadow-soft:0 18px 48px rgba(48,136,234,.20);
}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;overflow-x:hidden;overflow-y:auto}body{background:var(--theme-light);color:var(--text-main);font-family:Arial,'Helvetica Neue',sans-serif}a{color:inherit}img{max-width:100%}.container,.section-inner,.header-inner,.footer-inner{width:min(1280px,calc(100% - 80px));margin-left:auto;margin-right:auto}.section{padding:68px 0}.section-title{max-width:860px;margin:0 0 28px}.section-title .eyebrow,.eyebrow{display:inline-flex;border-radius:999px;background:var(--theme-soft);color:var(--theme-dark);border:1px solid var(--theme-border);padding:8px 14px;font-weight:800}.section-title h1,.section-title h2,.headline-section h1{color:var(--theme-dark);font-size:clamp(34px,4vw,56px);line-height:1.08;margin:16px 0}.section-title p,.headline-section p{font-size:18px;line-height:1.8;color:var(--text-muted)}.site-header{position:sticky;top:0;width:100%;z-index:9999;background:linear-gradient(180deg,var(--header-bg) 0%,var(--header-bg-2) 100%);color:var(--on-header);box-shadow:var(--shadow-soft);border-bottom:1px solid rgba(255,255,255,.14);overflow:visible}.header-inner{min-height:82px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;overflow:visible}.site-logo{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;overflow:visible}.site-logo img{display:block;width:auto;height:auto;max-width:190px;max-height:72px;object-fit:contain}.main-nav{display:flex;justify-content:center;align-items:center;gap:18px}.main-nav a{color:var(--on-header);text-decoration:none;white-space:nowrap;font-weight:700;font-size:14px;padding:12px 0;border-bottom:2px solid transparent}.main-nav a.active,.main-nav a:hover{color:#ffffff;border-bottom:2px solid var(--theme-accent)}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,var(--theme-accent) 0%,var(--theme) 48%,var(--theme-dark) 100%);color:var(--on-theme);border-radius:999px;box-shadow:0 14px 28px rgba(0,0,0,.18);text-decoration:none;white-space:nowrap;padding:13px 22px;font-weight:900}.mobile-menu-toggle{display:none;border:0;background:rgba(255,255,255,.14);border-radius:14px;padding:10px;align-items:center;justify-content:center;flex-direction:column;gap:5px}.mobile-menu-toggle span{display:block;width:22px;height:2px;background:var(--on-header);border-radius:99px}.banner-section{padding:36px 0 24px;background:radial-gradient(circle at 20% 20%,var(--theme-soft),transparent 38%),linear-gradient(180deg,var(--theme-light),#fff7f8)}.banner-carousel{position:relative;width:100%;border-radius:28px;overflow:hidden;background:var(--theme-soft);box-shadow:var(--shadow-soft);border:1px solid var(--theme-border)}.banner-slide{display:none}.banner-slide.active{display:flex;align-items:center;justify-content:center}.banner-slide img{display:block;width:100%;height:auto;object-fit:contain}.banner-arrow{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border:0;border-radius:999px;background:rgba(255,255,255,.88);color:var(--theme-dark);font-size:30px;font-weight:800;box-shadow:var(--shadow-soft);cursor:pointer}.banner-prev{left:18px}.banner-next{right:18px}.banner-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:10px}.banner-dots button{width:12px;height:12px;border-radius:999px;border:1px solid rgba(255,255,255,.8);background:rgba(255,255,255,.5);cursor:pointer}.banner-dots button.active{width:32px;background:var(--theme-accent)}.intro-section{padding:24px 0 30px}.intro-card{background:linear-gradient(180deg,var(--white),var(--theme-soft));border:1px solid var(--theme-border);box-shadow:var(--shadow-soft);border-radius:28px;padding:32px}.intro-card h1{color:var(--theme-dark);font-size:clamp(32px,4vw,52px);line-height:1.08;margin:12px 0}.intro-card p{font-size:18px;line-height:1.8;color:var(--text-muted)}.category-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.category-pills a{background:var(--white);color:var(--theme-dark);border:1px solid var(--theme-border);border-radius:999px;padding:11px 16px;text-decoration:none;font-weight:800}.category-pills a:hover{background:linear-gradient(180deg,var(--theme-accent),var(--theme));color:var(--on-theme)}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.card,.zone-card,.info-card,.feature-card,.category-card,.faq-item,.notice,.visual-card{background:var(--white);color:var(--text-main);border:1px solid var(--theme-border);box-shadow:var(--shadow-soft);border-radius:24px;min-height:auto;height:auto;padding:28px}.category-card:before,.feature-card:before,.info-card:before{content:"";display:block;width:52px;height:4px;border-radius:999px;background:linear-gradient(90deg,var(--theme),var(--theme-accent));margin-bottom:16px}.card-number,.info-card span{display:inline-flex;color:var(--theme);font-weight:900;margin-bottom:10px}.category-card h2,.category-card h3,.feature-card h2,.feature-card h3,.info-card h2,.faq-item h2,.card h2,.card h3{color:var(--theme-dark);margin:8px 0 12px}.category-card p,.feature-card p,.card p,.faq-item p,.notice p{color:var(--text-muted);line-height:1.75}.text-link{font-weight:900;color:var(--theme-dark);text-decoration:none}.media-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.8fr);gap:40px;align-items:center}.media-row.reverse{grid-template-columns:minmax(340px,.8fr) minmax(0,1fr)}.media-box,.banner-media,.hero-visual,.app-visual,.card-media{display:flex;align-items:center;justify-content:center;overflow:visible;background:linear-gradient(180deg,var(--white),var(--theme-soft));border:1px solid var(--theme-border);border-radius:28px;padding:24px;box-shadow:var(--shadow-soft)}.media-box img,.banner-media img,.hero-visual img,.app-visual img,.card-media img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}.media-box{min-height:280px}.article-list{display:grid;gap:18px}.article-list li{line-height:1.75;color:var(--text-muted);margin-bottom:10px}.feedback{border-left:4px solid var(--theme);background:var(--white);border-radius:20px;padding:20px;box-shadow:var(--shadow-soft);color:var(--text-muted);line-height:1.7}.notice{background:linear-gradient(180deg,var(--theme-soft),var(--white));border-left:6px solid var(--theme)}.page-hero{padding:58px 0 34px;background:radial-gradient(circle at 20% 10%,var(--theme-soft),transparent 40%),linear-gradient(180deg,var(--theme-light),#fff7f8)}.page-hero-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.72fr);gap:38px;align-items:center}.page-hero h1{font-size:clamp(34px,4.2vw,60px);line-height:1.08;color:var(--theme-dark);margin:14px 0}.page-hero p{font-size:18px;line-height:1.82;color:var(--text-muted)}.detail-content{padding:44px 0}.faq-list{display:grid;gap:18px}.related-nav{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.related-nav a{padding:10px 14px;border-radius:999px;border:1px solid var(--theme-border);color:var(--theme-dark);background:var(--white);text-decoration:none;font-weight:800}.footer{background:linear-gradient(180deg,var(--theme-dark) 0%,var(--theme-deep) 100%);color:var(--on-dark);padding:58px 0 0}.footer-inner{display:grid;grid-template-columns:1.45fr repeat(3,1fr);gap:30px}.footer img{max-width:170px;max-height:68px;object-fit:contain}.footer h2{font-size:18px;margin:0 0 14px}.footer p{line-height:1.7;color:#ffe9ec}.footer a{color:var(--on-dark);display:block;text-decoration:none;margin:10px 0}.footer-bottom{text-align:center;padding:22px;margin-top:34px;border-top:1px solid rgba(255,255,255,.16);color:#ffe9ec}.mobile-drawer{position:fixed;top:0;left:0;width:82%;max-width:320px;height:100vh;transform:translateX(-100%);transition:transform .28s ease;z-index:10001;background:var(--header-bg);color:var(--on-header);padding:18px;box-shadow:0 0 0 9999px rgba(0,0,0,0)}.mobile-drawer.is-open{transform:translateX(0)}.drawer-overlay{position:fixed;inset:0;opacity:0;visibility:hidden;z-index:10000;background:rgba(0,0,0,.42);transition:.25s}.drawer-overlay.is-open{opacity:1;visibility:visible}body.menu-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.drawer-head img{max-width:150px;max-height:58px;object-fit:contain}.drawer-close{border:0;background:rgba(255,255,255,.18);color:var(--on-header);width:40px;height:40px;border-radius:12px;font-size:26px}.drawer-nav a{display:block;padding:13px 10px;border-bottom:1px solid rgba(255,255,255,.12);text-decoration:none;color:var(--on-header);font-weight:800}.drawer-nav a.active{color:#fff;background:rgba(255,255,255,.12);border-radius:12px}@media (min-width:1440px){.container,.section-inner,.header-inner,.footer-inner{width:min(1360px,calc(100% - 120px))}}@media (max-width:1180px){.main-nav{gap:10px}.main-nav a{font-size:13px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{grid-template-columns:1fr 1fr}.page-hero-inner,.media-row,.media-row.reverse{grid-template-columns:1fr}}@media (max-width:1023px){.header-inner{width:min(100% - 28px,1280px);min-height:68px;display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:10px}.mobile-menu-toggle{display:inline-flex;width:44px;height:44px}.main-nav{display:none}.site-logo{justify-self:center}.site-logo img{max-width:min(150px,42vw);max-height:56px}.header-actions{justify-self:end}.header-actions .main-btn{white-space:nowrap;padding:10px 16px}.grid-3{grid-template-columns:1fr}.section{padding:46px 0}.banner-arrow{width:38px;height:38px;font-size:24px}.banner-prev{left:8px}.banner-next{right:8px}}@media (max-width:767px){.container,.section-inner,.header-inner,.footer-inner{width:min(100% - 32px,1280px)}.grid-4,.grid-2{grid-template-columns:1fr}.intro-card,.card,.zone-card,.info-card,.feature-card,.category-card,.faq-item,.notice,.visual-card{padding:22px}.banner-section{padding:22px 0 14px}.banner-carousel{border-radius:18px}.banner-dots{bottom:8px}.footer-inner{grid-template-columns:1fr}.page-hero-inner{gap:22px}.media-box{min-height:auto}.category-pills a{font-size:14px}.section-title h1,.section-title h2,.headline-section h1,.intro-card h1{font-size:32px}}@media (max-width:390px){.header-inner{width:min(100% - 20px,1280px);grid-template-columns:44px minmax(0,1fr) auto;gap:8px}.site-logo img{max-width:min(120px,36vw);max-height:48px}.header-actions .main-btn{padding:8px 12px;font-size:13px}}

/* carousel safeguard */
.banner-slide:not(.active){display:none !important;}
.banner-slide.active{display:flex !important;}