:root {
  --theme: #25aae1;
  --theme-dark: #10729a;
  --theme-deep: #073c51;
  --theme-light: #f0f8fb;
  --theme-soft: #cae8f4;
  --theme-accent: #71cbf1;
  --theme-hover: #1693c7;
  --theme-border: rgba(37, 170, 225, 0.24);
  --header-bg: #bfe1f0;
  --header-bg-2: #8ccfea;
  --text-main: #142a33;
  --text-muted: #58707a;
  --on-theme: #ffffff;
  --on-header: #07384c;
  --on-dark: #eefbff;
  --white: #ffffff;
  --shadow-soft: 0 18px 48px rgba(37, 170, 225, 0.18);
}
* { 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: Georgia, "Times New Roman", serif; line-height: 1.68; }
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; }
@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; text-decoration: none; }
.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: 20px; }
.main-nav a { color: var(--on-header); text-decoration: none; white-space: nowrap; font-weight: 800; font-size: 15px; padding: 8px 0; border-bottom: 2px solid transparent; }
.main-nav a.active,.main-nav a:hover { color: var(--theme-dark); border-bottom-color: var(--theme); }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 12px 22px; 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; border: 1px solid var(--theme-border); }
.main-btn:hover { background: linear-gradient(180deg, var(--theme-accent) 0%, var(--theme-hover) 54%, var(--theme-dark) 100%); }
.mobile-menu-toggle { display: none; border: 0; background: rgba(255,255,255,.52); border-radius: 14px; }
.mobile-menu-toggle span { width: 22px; height: 2px; background: var(--on-header); display: block; margin: 4px 0; }
.section { padding: 58px 0; }
.banner-section { padding: 36px 0 24px; }
.banner-carousel { position: relative; width: 100%; border-radius: 28px; overflow: visible; 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; border-radius: 28px; }
.banner-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 46px; height: 46px; border: 1px solid var(--theme-border); border-radius: 999px; background: rgba(255,255,255,.88); color: var(--theme-dark); font-size: 32px; 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: 0; background: rgba(0,0,0,.24); cursor: pointer; }
.banner-dots button.active { width: 32px; background: var(--theme-dark); }
.section-title { max-width: 860px; margin-bottom: 28px; }
.section-title h1,.section-title h2 { margin: 0 0 12px; color: var(--theme-dark); line-height: 1.2; }
.section-title h1 { font-size: clamp(34px, 5vw, 58px); } .section-title h2 { font-size: clamp(28px, 3vw, 42px); }
.section-title p { margin: 0; color: var(--text-muted); font-size: 18px; }
.card,.intro-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; gap: 22px; }
.category-pills { display: flex; flex-wrap: wrap; gap: 12px; }
.category-pill,.tag,.badge { border-radius: 999px; padding: 8px 14px; display: inline-flex; width: auto; max-width: max-content; text-decoration: none; border: 1px solid var(--theme-border); background: var(--white); color: var(--theme-dark); 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; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; align-items: center; }
.info-card h2,.info-card h3,.category-card h3,.feature-card h3,.faq-item h3 { color: var(--theme-dark); margin-top: 0; }
.info-card p,.category-card p,.feature-card p { color: var(--text-muted); }
.text-link,.category-card a { color: var(--theme-dark); font-weight: 900; text-decoration: none; }
.alternate { display: grid; gap: 34px; }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 30px; align-items: center; }
.split:nth-child(even) { grid-template-columns: .95fr 1.05fr; }
.split:nth-child(even) .split-text { order: 2; } .split:nth-child(even) .media-box { order: 1; }
.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; }
.media-box,.app-visual,.card-media { min-height: 260px; background: linear-gradient(135deg, var(--white), var(--theme-soft)); border: 1px solid var(--theme-border); border-radius: 28px; padding: 22px; box-shadow: var(--shadow-soft); }
.app-visual img { max-height: 420px; } .card-media img { max-height: 250px; }
.page-hero { padding: 64px 0 28px; } .content-flow { display: grid; gap: 24px; } .faq-list { display: grid; gap: 18px; } .notice { background: var(--theme-soft); }
.footer { background: var(--theme-deep); color: var(--on-dark); padding: 56px 0 24px; }
.footer a { color: var(--on-dark); text-decoration: none; margin: 6px 0; display: block; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 28px; } .footer-logo img { max-height: 70px; } .footer-badges { display: flex; flex-wrap: wrap; gap: 10px; } .footer-badges span { border: 1px solid rgba(255,255,255,.35); border-radius: 999px; padding: 6px 12px; } .footer-legal { display: block; border-top: 1px solid rgba(255,255,255,.18); margin-top: 28px; padding-top: 18px; color: rgba(238,251,255,.88); }
.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(0,0,0,.38); transition: .28s ease; } .drawer-overlay.is-open { opacity: 1; visibility: visible; } body.menu-open { overflow: hidden; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; } .drawer-close { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--theme-border); background: var(--white); color: var(--theme-dark); font-size: 28px; } .drawer-nav { display: grid; gap: 8px; margin-top: 20px; } .drawer-nav a { padding: 12px 10px; text-decoration: none; border-radius: 14px; font-weight: 900; } .drawer-nav a.active { background: var(--white); color: var(--theme-dark); }
@media (max-width: 1200px) { .main-nav { gap: 12px; } .main-nav a { font-size: 14px; } }
@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; align-items: center; justify-content: center; flex-direction: column; } .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,.grid-2,.split,.split:nth-child(even) { grid-template-columns: 1fr; } .split:nth-child(even) .split-text,.split:nth-child(even) .media-box { order: initial; } .footer-inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 767px) { .section { padding: 38px 0; } .banner-section { padding-top: 24px; } .banner-carousel,.banner-slide img { border-radius: 20px; } .banner-arrow { width: 38px; height: 38px; font-size: 26px; } .banner-prev { left: 10px; } .banner-next { right: 10px; } .grid-8,.grid-3,.grid-2 { grid-template-columns: 1fr; } .card,.intro-card,.zone-card,.info-card,.feature-card,.category-card,.faq-item,.notice,.visual-card { padding: 22px; border-radius: 20px; } .footer-inner { grid-template-columns: 1fr; } }
@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; } }