:root {
  --theme: #31b78a;
  --theme-dark: #087a58;
  --theme-deep: #064c3b;
  --theme-light: #effcf7;
  --theme-soft: #dff7ee;
  --theme-accent: #6be0b9;
  --theme-hover: #1c9e75;
  --theme-border: rgba(49,183,138,.26);
  --header-bg: #e0f6ee;
  --header-bg-2: #bcebdc;
  --text-main: #123229;
  --text-muted: #4f6c63;
  --on-theme: #073426;
  --on-header: #063929;
  --on-dark: #f3fff9;
  --white: #ffffff;
  --shadow-soft: 0 16px 44px rgba(6,76,59,.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, .drawer-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; }
.drawer-logo img, .footer-brand img { display: block; width: auto; height: auto; max-width: 180px; max-height: 68px; 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: 15px; padding: 10px 0; border-bottom: 2px solid transparent; }
.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; 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; padding: 13px 22px; font-weight: 900; border: 1px solid rgba(255,255,255,.4); }
.mobile-menu-toggle { display: none; border: 0; background: var(--white); border-radius: 12px; padding: 10px; gap: 4px; flex-direction: column; align-items: center; justify-content: center; }
.mobile-menu-toggle span { width: 20px; height: 2px; background: var(--theme-dark); display: block; }
.section { padding: 54px 0; }
.banner-section { padding: 36px 0 24px; background: linear-gradient(180deg, var(--theme-light), var(--theme-soft)); }
.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; min-height: 280px; }
.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: 44px; height: 44px; border-radius: 999px; border: 1px solid var(--theme-border); background: rgba(255,255,255,.9); color: var(--theme-dark); font-size: 34px; line-height: 1; cursor: pointer; box-shadow: var(--shadow-soft); }
.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: 11px; height: 11px; border-radius: 999px; border: 0; background: rgba(255,255,255,.7); cursor: pointer; }
.banner-dots button.active { width: 30px; background: var(--theme); }
.intro-card, .headline-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 { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); gap: 28px; align-items: center; }
.intro-card h1, .headline-card h1 { font-size: clamp(34px, 4.5vw, 58px); color: var(--theme-dark); line-height: 1.1; margin: 0 0 16px; }
.intro-card p, .headline-card p, .card p, .zone-card p, .feature-card p, .faq-item p, .notice p, .content-body p { color: var(--text-muted); line-height: 1.8; font-size: 16px; }
.category-pills { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.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-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: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; align-items: center; }
.card h2, .zone-card h2, .feature-card h2, .content-body h2, .faq-item h2 { color: var(--theme-dark); margin: 0 0 12px; }
.card a, .zone-card a, .feature-card a { color: var(--theme-dark); font-weight: 800; text-decoration: none; }
.media-box, .banner-media, .hero-visual, .app-visual, .card-media { display: flex; align-items: center; justify-content: center; overflow: visible; background: var(--theme-soft); border: 1px solid var(--theme-border); border-radius: 22px; padding: 20px; min-height: 210px; }
.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; }
.content-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 420px); gap: 34px; align-items: center; }
.content-hero h1 { font-size: clamp(34px, 4vw, 56px); color: var(--theme-dark); margin: 0 0 16px; line-height: 1.1; }
.content-body { max-width: 980px; }
.check-list { display: grid; gap: 14px; padding: 0; list-style: none; }
.check-list li { background: var(--theme-soft); border: 1px solid var(--theme-border); border-radius: 16px; padding: 14px 16px; color: var(--text-main); }
.notice { background: linear-gradient(135deg, var(--theme-soft), var(--white)); }
.footer { background: var(--theme-deep); color: var(--on-dark); padding: 48px 0 0; }
.footer a { color: var(--on-dark); text-decoration: none; display: block; margin: 10px 0; }
.footer-inner { display: grid; grid-template-columns: 1.2fr .8fr .8fr 1.2fr; gap: 28px; }
.footer p { line-height: 1.75; color: rgba(243,255,249,.85); }
.footer h3 { margin: 0 0 14px; color: var(--white); }
.age-badge { display: inline-flex; align-items: center; justify-content: center; width: 52px; height: 52px; border-radius: 50%; background: var(--theme); color: var(--on-theme); font-weight: 900; }
.copyright { text-align: center; padding: 18px; margin-top: 34px; background: rgba(0,0,0,.12); }
.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; box-shadow: var(--shadow-soft); }
.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,.35); transition: opacity .28s ease; }
.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: 22px; }
.drawer-close { border: 0; background: var(--white); border-radius: 12px; width: 40px; height: 40px; color: var(--theme-dark); font-size: 26px; }
.drawer-nav { display: grid; gap: 10px; }
.drawer-nav a { padding: 12px 14px; border-radius: 16px; background: rgba(255,255,255,.55); color: var(--on-header); text-decoration: none; font-weight: 800; }
.drawer-note { margin-top: 24px; line-height: 1.6; font-weight: 700; }
@media (max-width: 1100px) { .main-nav { gap: 11px; } .main-nav a { font-size: 13px; } .grid-4 { grid-template-columns: repeat(2, 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; } .intro-card, .grid-2, .content-hero { grid-template-columns: 1fr; } .grid-3 { grid-template-columns: 1fr; } .footer-inner { grid-template-columns: 1fr 1fr; } .banner-slide { min-height: 180px; } }
@media (max-width: 767px) { .section { padding: 36px 0; } .grid-4 { grid-template-columns: 1fr; } .footer-inner { grid-template-columns: 1fr; } .banner-arrow { width: 36px; height: 36px; font-size: 28px; } .banner-prev { left: 10px; } .banner-next { right: 10px; } .banner-dots { bottom: 8px; } }
@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; } }