:root {
  --theme: #25aae1;
  --theme-dark: #0876a3;
  --theme-deep: #03435f;
  --theme-light: #effbff;
  --theme-soft: #dff5fc;
  --theme-accent: #65cff0;
  --theme-hover: #1297cf;
  --theme-border: rgba(37, 170, 225, .28);
  --header-bg: #d7f4fb;
  --header-bg-2: #b7eafb;
  --text-main: #12313d;
  --text-muted: #54707d;
  --on-theme: #062433;
  --on-header: #073244;
  --on-dark: #eefbff;
  --white: #ffffff;
  --shadow-soft: 0 18px 50px rgba(3, 67, 95, .14);
}
* { 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, sans-serif; }
a { color: inherit; }
.container, .section-inner, .header-inner, .footer-inner { width: min(1280px, calc(100% - 80px)); margin-left: auto; margin-right: auto; }
@media (min-width: 1440px) { .container, .section-inner, .header-inner, .footer-inner { width: min(1360px, calc(100% - 120px)); } }
@media (max-width: 767px) { .container, .section-inner, .header-inner, .footer-inner { width: min(100% - 32px, 1280px); } }
.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); 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; padding: 10px 0; }
.main-nav a.active, .main-nav a:hover { color: var(--theme-dark); border-bottom: 2px solid var(--theme); }
.main-btn { display:inline-flex; align-items:center; justify-content:center; padding: 12px 20px; background: linear-gradient(180deg, var(--theme-accent) 0%, var(--theme) 48%, var(--theme-dark) 100%); color: var(--on-theme); border-radius: 999px; box-shadow: var(--shadow-soft); text-decoration: none; white-space: nowrap; font-weight: 900; }
.mobile-menu-toggle { display:none; border:0; background: var(--white); border-radius: 14px; align-items:center; justify-content:center; flex-direction:column; gap:5px; }
.mobile-menu-toggle span { width:20px; height:2px; background:var(--on-header); display:block; }
.section { padding: 56px 0; }
.banner-section { padding: 36px 0 24px; }
.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-radius:999px; border:1px solid var(--theme-border); background:rgba(255,255,255,.88); color:var(--theme-dark); font-size:30px; cursor:pointer; }
.banner-prev { left:18px; } .banner-next { right:18px; }
.banner-dots { position:absolute; left:0; right:0; bottom:16px; display:flex; gap:10px; justify-content:center; }
.banner-dots button { width:12px; height:12px; border-radius:999px; border:0; background:rgba(255,255,255,.7); cursor:pointer; }
.banner-dots button.active { width:32px; background:var(--theme); }
.media-box, .banner-media, .hero-visual, .app-visual, .card-media { display: flex; align-items: center; justify-content: center; overflow: visible; }
.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; }
.intro-card, .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; }
.intro-card h1, .section-title h2, .page-hero h1 { color: var(--theme-dark); margin-top:0; }
.intro-card p, .card p, .zone-card p, .feature-card p, .category-card p, .faq-item p, .notice p { color: var(--text-muted); line-height:1.75; }
.category-pills { display:flex; flex-wrap:wrap; gap:12px; margin-top:22px; }
.category-pills a, .category-pill, .tag, .badge { border-radius: 999px; padding: 10px 16px; display: inline-flex; width: auto; max-width: max-content; background:var(--theme-soft); border:1px solid var(--theme-border); color:var(--theme-dark); text-decoration:none; font-weight:800; }
.grid-8 { 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; }
.split { display:grid; grid-template-columns: 1fr 1fr; gap:34px; align-items:center; }
.card-media { min-height:260px; background: var(--theme-soft); border-radius: 22px; padding:24px; border:1px solid var(--theme-border); }
.page-hero { padding: 64px 0 34px; }
.page-layout { display:grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap:34px; align-items:center; }
.content-list { display:grid; gap:18px; margin-top:24px; }
.faq-list { display:grid; gap:18px; }
.footer { background: var(--theme-deep); color: var(--on-dark); padding: 54px 0 20px; }
.footer a { color: var(--on-dark); text-decoration:none; display:block; margin:10px 0; }
.footer-inner { display:grid; grid-template-columns: 1.4fr .8fr .8fr 1.2fr; gap:30px; }
.footer-brand img { max-width:180px; max-height:70px; object-fit:contain; }
.footer p { line-height:1.7; opacity:.92; }
.age-badge { display:inline-flex; border:1px solid rgba(255,255,255,.4); border-radius:999px; padding:8px 14px; font-weight:900; }
.footer-bottom { text-align:center; padding-top:24px; opacity:.85; }
.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:20px; }
.mobile-drawer.is-open { transform: translateX(0); }
.drawer-overlay { position: fixed; inset: 0; opacity: 0; visibility: hidden; z-index: 10000; background:rgba(3,67,95,.38); transition:.25s; }
.drawer-overlay.is-open { opacity: 1; visibility: visible; }
body.menu-open { overflow: hidden; }
.drawer-head { display:flex; justify-content:space-between; align-items:center; margin-bottom:24px; }
.drawer-head img { max-width:140px; max-height:56px; object-fit:contain; }
.drawer-close { border:0; background:var(--white); border-radius:12px; width:40px; height:40px; font-size:28px; color:var(--theme-dark); }
.drawer-nav a { display:block; text-decoration:none; padding:13px 0; border-bottom:1px solid var(--theme-border); font-weight:800; }
@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-8 { grid-template-columns: repeat(2, minmax(0,1fr)); } .grid-3, .split, .page-layout, .footer-inner { grid-template-columns:1fr; } }
@media (max-width: 767px) { .section { padding:38px 0; } .banner-arrow { width:38px; height:38px; font-size:24px; } .banner-prev { left:8px; } .banner-next { right:8px; } .grid-8 { grid-template-columns: 1fr; } .intro-card, .card, .zone-card, .info-card, .feature-card, .category-card, .faq-item, .notice, .visual-card { padding:22px; } }
@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; } }