:root {
  --theme: #007aff;
  --theme-dark: #0052b3;
  --theme-deep: #003166;
  --theme-light: #eef6ff;
  --theme-soft: #dceeff;
  --theme-accent: #62b1ff;
  --theme-hover: #0066d6;
  --theme-border: rgba(0, 122, 255, 0.24);
  --header-bg: #003f8c;
  --header-bg-2: #0066d6;
  --text-main: #102338;
  --text-muted: #4d6680;
  --on-theme: #ffffff;
  --on-header: #ffffff;
  --on-dark: #eef6ff;
  --white: #ffffff;
  --shadow-soft: 0 18px 42px rgba(0, 122, 255, 0.18);
}
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; }
.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, .media-box, .banner-media, .hero-visual, .app-visual, .card-media { display: flex; align-items: center; justify-content: center; 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: 12px 0; }
.main-nav a.active, .main-nav a:hover { color: #e4f1ff; border-bottom: 2px solid var(--theme-accent); }
.header-actions { justify-self: end; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; 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: 800; }
.mobile-menu-toggle { display: none; border: 0; background: rgba(255,255,255,.16); border-radius: 14px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.mobile-menu-toggle span { width: 22px; height: 2px; background: var(--on-header); display: block; }
.section { padding: 56px 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: visible; background: var(--theme-soft); box-shadow: var(--shadow-soft); border: 1px solid var(--theme-border); padding: 10px; }
.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: 22px; }
.banner-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 4; width: 46px; height: 46px; border: 0; border-radius: 999px; background: rgba(255,255,255,.92); color: var(--theme-dark); font-size: 34px; cursor: pointer; box-shadow: var(--shadow-soft); }
.banner-prev { left: 22px; } .banner-next { right: 22px; }
.banner-dots { position: absolute; left: 0; right: 0; bottom: 22px; display: flex; justify-content: center; gap: 9px; z-index: 5; }
.banner-dots button { width: 11px; height: 11px; border: 0; border-radius: 999px; background: rgba(255,255,255,.65); cursor: pointer; }
.banner-dots button.active { width: 28px; background: var(--theme); }
.intro-section { padding-top: 22px; }
.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 { border-radius: 28px; padding: 30px; text-align: center; }
.intro-card p { line-height: 1.8; color: var(--text-muted); font-size: 18px; max-width: 940px; margin: 0 auto 22px; }
.headline-section { padding-top: 28px; }
.headline-section h1 { color: var(--theme-dark); font-size: clamp(36px, 5vw, 64px); line-height: 1.08; margin: 0 0 18px; text-align: center; }
.headline-section p { max-width: 880px; text-align: center; margin: 0 auto; color: var(--text-muted); font-size: 18px; line-height: 1.8; }
.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; }
.card h3, .zone-card h3, .feature-card h3, .category-card h3, .faq-item h3, .prose h2, .prose h3 { color: var(--theme-dark); }
.card p, .zone-card p, .feature-card p, .category-card p, .faq-item p, .notice p, .prose p, .prose li { color: var(--text-muted); line-height: 1.78; }
.category-pills { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.category-pills a, .category-pill, .tag, .badge { border-radius: 999px; padding: 10px 16px; display: inline-flex; width: auto; max-width: max-content; text-decoration: none; background: var(--white); color: var(--theme-dark); border: 1px solid var(--theme-border); font-weight: 800; }
.section-heading { max-width: 840px; margin: 0 auto 28px; text-align: center; }
.section-heading h2, .page-hero h1 { color: var(--theme-dark); font-size: clamp(34px, 4vw, 52px); margin: 16px 0; line-height: 1.12; }
.section-heading p, .page-hero p { color: var(--text-muted); line-height: 1.8; font-size: 18px; }
.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; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .82fr); gap: 34px; align-items: center; }
.split.reverse { grid-template-columns: minmax(360px, .82fr) minmax(0, 1fr); }
.visual-card .card-media, .page-media { min-height: 260px; }
.visual-card img, .page-media img { max-height: 320px; }
.link-more { color: var(--theme-dark); font-weight: 900; text-decoration: none; }
.notice { background: linear-gradient(180deg, var(--white), var(--theme-soft)); }
.page-hero { padding: 62px 0 28px; background: linear-gradient(180deg, var(--theme-light), var(--theme-soft)); }
.page-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .7fr); gap: 32px; align-items: start; }
.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: 18px; padding: 16px; }
.footer { background: var(--theme-deep); color: var(--on-dark); padding: 52px 0 22px; margin-top: 48px; }
.footer a { color: var(--on-dark); display: block; text-decoration: none; margin: 10px 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 30px; }
.footer-brand img, .drawer-logo img { max-width: 170px; max-height: 68px; width: auto; height: auto; object-fit: contain; }
.footer p { line-height: 1.75; color: var(--on-dark); }
.footer-bottom { width: min(1280px, calc(100% - 80px)); margin: 28px auto 0; border-top: 1px solid rgba(255,255,255,.18); padding-top: 18px; color: var(--on-dark); }
.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(16, 35, 56, .48); transition: opacity .2s ease, visibility .2s 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; gap: 16px; margin-bottom: 24px; }
.drawer-close { border: 0; background: rgba(255,255,255,.18); color: var(--on-header); font-size: 30px; border-radius: 14px; width: 44px; height: 44px; }
.drawer-nav { display: grid; gap: 12px; }
.drawer-nav a { color: var(--on-header); text-decoration: none; font-weight: 800; padding: 12px 10px; border-bottom: 1px solid rgba(255,255,255,.18); }
.drawer-note { margin-top: 24px; line-height: 1.7; color: var(--on-header); }
@media (max-width: 1180px) { .main-nav { gap: 10px; } .main-nav a { font-size: 14px; } .grid-4 { 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; }
  .banner-section { padding: 24px 0 18px; }
  .banner-carousel { border-radius: 20px; padding: 6px; }
  .banner-slide img { border-radius: 16px; }
  .banner-arrow { width: 38px; height: 38px; font-size: 28px; }
  .banner-prev { left: 12px; } .banner-next { right: 12px; }
  .banner-dots { bottom: 14px; }
  .split, .split.reverse, .page-layout { grid-template-columns: 1fr; gap: 32px; }
  .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .section { padding: 40px 0; }
  .grid-4, .footer-grid { grid-template-columns: 1fr; }
  .card, .zone-card, .info-card, .feature-card, .category-card, .faq-item, .notice, .visual-card, .intro-card { padding: 22px; }
  .footer-bottom { width: min(100% - 32px, 1280px); }
}
@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; }
}