:root {
  --theme: #0eb1db;
  --theme-dark: #056882;
  --theme-deep: #083845;
  --theme-light: #e7f7fb;
  --theme-soft: #d4f1f9;
  --theme-accent: #4dd5f8;
  --theme-hover: #03576d;
  --theme-border: rgba(14, 177, 219, .28);
  --header-bg: #084554;
  --header-bg-2: #082f39;
  --text-main: #12333b;
  --text-muted: #557079;
  --on-theme: #ffffff;
  --on-header: #f4fcff;
  --on-dark: #f4fcff;
  --white: #ffffff;
  --shadow-soft: 0 18px 45px rgba(14, 177, 219, .18);
}

html, body { margin: 0; min-height: 100%; overflow-x: hidden; overflow-y: auto; }
* { box-sizing: border-box; }
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, .hero-inner { width: min(1280px, calc(100% - 80px)); margin-left: auto; margin-right: auto; }
@media (min-width: 1440px) { .container, .section-inner, .header-inner, .footer-inner, .hero-inner { width: min(1360px, calc(100% - 120px)); } }
@media (max-width: 767px) { .container, .section-inner, .header-inner, .footer-inner, .hero-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; font-size: 14px; padding: 28px 0 24px; border-bottom: 2px solid transparent; }
.main-nav a.active, .main-nav a:hover { color: #dff8ff; border-bottom: 2px solid var(--theme-accent); }
.main-btn, .text-link { 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: 12px 20px; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; border: 0; }
.mobile-menu-toggle { display: none; border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.12); border-radius: 12px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.mobile-menu-toggle span { display: block; width: 20px; height: 2px; background: var(--on-header); border-radius: 99px; }
.section { padding: 58px 0; }
.section-title { max-width: 860px; margin: 0 0 28px; }
.section-title .eyebrow, .hero-badge, .badge, .tag { display: inline-flex; align-items: center; border-radius: 999px; padding: 8px 14px; background: var(--theme-soft); color: var(--theme-dark); border: 1px solid var(--theme-border); font-weight: 800; width: auto; max-width: max-content; }
.section-title h2, .content h2 { color: var(--theme-dark); font-size: clamp(30px, 3.2vw, 46px); line-height: 1.15; margin: 14px 0; }
.section-title p, .content p, .card p, .info-card p, .feature-card p, .category-card p, .faq-item p, .notice p, .visual-card p, li { color: var(--text-muted); line-height: 1.75; font-size: 16px; }
.hero-section { padding: 72px 0 48px; background: linear-gradient(180deg, var(--theme-light) 0%, var(--theme-soft) 100%); }
.hero-inner { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr); align-items: center; gap: 64px; }
.hero-content h1 { font-size: clamp(56px, 5vw, 76px); line-height: 1.05; margin: 0 0 24px; color: var(--theme-dark); letter-spacing: -1.5px; }
.hero-content p { font-size: 20px; line-height: 1.8; color: var(--text-main); margin: 0 0 28px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-tags span { display: inline-flex; align-items: center; border-radius: 999px; padding: 10px 16px; background: var(--white); color: var(--theme-dark); border: 1px solid var(--theme-border); font-weight: 700; }
.media-box, .hero-visual, .app-visual, .card-media { display: flex; align-items: center; justify-content: center; overflow: visible; }
.media-box img, .hero-visual img, .app-visual img, .card-media img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.hero-media-box { width: 100%; max-width: 560px; min-height: 380px; border-radius: 32px; background: var(--white); border: 1px solid var(--theme-border); box-shadow: var(--shadow-soft); display: flex; align-items: center; justify-content: center; overflow: visible; padding: 36px; }
.hero-media-box img { display: block; max-width: 100%; max-height: 340px; width: auto; height: auto; object-fit: contain; }
.info-section { padding: 32px 0 48px; }
.info-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.card, .zone-card, .info-card, .feature-card, .category-card, .faq-item, .notice, .visual-card, .article-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; }
.info-card span { color: var(--theme); font-weight: 900; font-size: 22px; }
.info-card h2, .card h3, .feature-card h3, .category-card h3, .zone-card h3, .faq-item h3, .visual-card h3 { color: var(--theme-dark); margin: 12px 0; }
.category-pills { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.category-pills a { border-radius: 999px; padding: 11px 18px; background: var(--white); color: var(--theme-dark); border: 1px solid var(--theme-border); text-decoration: none; font-weight: 800; box-shadow: var(--shadow-soft); }
.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: minmax(0, 1fr) minmax(360px, .8fr); gap: 42px; align-items: center; }
.split.reverse { grid-template-columns: minmax(360px, .8fr) minmax(0, 1fr); }
.visual-card .media-box, .category-card .card-media { min-height: 210px; margin-bottom: 18px; }
.category-card .card-media img { max-height: 190px; }
.visual-card .media-box img { max-height: 260px; }
.app-panel { display: grid; grid-template-columns: minmax(380px, .85fr) minmax(0, 1fr); gap: 42px; align-items: center; background: var(--white); border: 1px solid var(--theme-border); border-radius: 32px; padding: 34px; box-shadow: var(--shadow-soft); }
.app-visual { min-height: 310px; }
.app-visual img { max-height: 300px; }
.list-check { padding-left: 20px; }
.notice { background: linear-gradient(135deg, var(--white), var(--theme-soft)); }
.page-hero { padding: 64px 0 32px; background: linear-gradient(180deg, var(--theme-light), var(--theme-soft)); }
.page-hero h1 { color: var(--theme-dark); font-size: clamp(42px, 5vw, 68px); line-height: 1.08; margin: 12px 0 18px; max-width: 900px; }
.page-hero p { color: var(--text-main); font-size: 18px; line-height: 1.8; max-width: 900px; }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, .55fr); gap: 34px; align-items: start; }
.content { background: var(--white); border: 1px solid var(--theme-border); box-shadow: var(--shadow-soft); border-radius: 28px; padding: 34px; }
.side-stack { display: grid; gap: 22px; }
.footer { background: var(--theme-deep); color: var(--on-dark); padding: 54px 0; }
.footer a { color: var(--on-dark); display: block; text-decoration: none; margin: 8px 0; opacity: .92; }
.footer p { color: var(--on-dark); opacity: .86; line-height: 1.7; }
.footer-inner { display: grid; grid-template-columns: 1.4fr .7fr .7fr 1.1fr; gap: 34px; }
.footer-brand img { max-width: 190px; max-height: 72px; object-fit: contain; }
.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: 22px; 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, 22, 28, .55); transition: .25s 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: 14px; margin-bottom: 22px; }
.drawer-head img { max-width: 150px; max-height: 58px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border-radius: 12px; border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.12); color: var(--on-header); font-size: 28px; }
.drawer-nav { display: grid; gap: 10px; }
.drawer-nav a { text-decoration: none; color: var(--on-header); background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); border-radius: 14px; padding: 12px 14px; font-weight: 700; }
@media (min-width: 1440px) { .hero-inner { grid-template-columns: minmax(0, 1.05fr) minmax(480px, 0.95fr); gap: 80px; } .hero-media-box { max-width: 620px; min-height: 420px; } .hero-media-box img { max-height: 380px; } }
@media (max-width: 1180px) { .main-nav { gap: 11px; } .main-nav a { font-size: 13px; } .grid-8 { grid-template-columns: repeat(2, minmax(0, 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; } .hero-section { padding: 48px 0 36px; } .hero-inner, .split, .split.reverse, .app-panel, .content-grid { grid-template-columns: 1fr; gap: 32px; } .hero-content h1 { font-size: clamp(36px, 9vw, 52px); } .hero-media-box { max-width: 100%; min-height: auto; padding: 24px; } .hero-media-box img { max-height: 300px; } .info-grid, .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .footer-inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 767px) { .section { padding: 42px 0; } .info-grid, .grid-3, .grid-8, .footer-inner { grid-template-columns: 1fr; } .card, .zone-card, .info-card, .feature-card, .category-card, .faq-item, .notice, .visual-card, .article-card, .content, .app-panel { padding: 22px; border-radius: 22px; } .hero-content p { font-size: 17px; } .page-hero h1 { font-size: clamp(34px, 10vw, 48px); } }
@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; } }