:root {
  --theme: #25aae1;
  --theme-dark: #0c6f9e;
  --theme-deep: #073f5e;
  --theme-light: #eefaff;
  --theme-soft: #ddf5ff;
  --theme-accent: #67c9ef;
  --theme-hover: #168fc0;
  --theme-border: rgba(37, 170, 225, 0.26);
  --header-bg: #0b628b;
  --header-bg-2: #0e7dad;
  --text-main: #102638;
  --text-muted: #4c6575;
  --on-theme: #ffffff;
  --on-header: #ffffff;
  --on-dark: #f4fbff;
  --white: #ffffff;
  --shadow-soft: 0 18px 45px rgba(7, 63, 94, 0.14);
}
* { 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; font-size: 16px; }
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, .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; }
.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: 29px 0 25px; border-bottom: 2px solid transparent; }
.main-nav a.active, .main-nav a:hover { color: #dff5ff; border-bottom-color: var(--theme-accent); }
.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: 800; }
.mobile-menu-toggle { display: none; border: 0; background: rgba(255,255,255,.18); 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; border-radius: 8px; }
.section { padding: 54px 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%); border: 0; width: 46px; height: 46px; border-radius: 50%; 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; bottom: 16px; left: 0; right: 0; display: flex; justify-content: center; gap: 10px; }
.banner-dots button { width: 12px; height: 12px; border-radius: 50%; border: 0; background: rgba(255,255,255,.65); cursor: pointer; }
.banner-dots button.active { background: var(--theme); width: 28px; border-radius: 999px; }
.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; }
.card, .zone-card, .info-card, .feature-card, .category-card, .faq-item, .notice, .visual-card, .intro-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: 1.2fr .8fr; gap: 28px; align-items: center; }
.intro-card p, .card p, .zone-card p, .feature-card p, .category-card p, .faq-item p, .notice p, .visual-card p, .content-block p, .text-panel p { color: var(--text-muted); line-height: 1.75; }
.category-pills, .hero-tags { display: flex; flex-wrap: wrap; gap: 12px; }
.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(--theme-soft); color: var(--theme-dark); border: 1px solid var(--theme-border); font-weight: 800; }
.section-title { margin-bottom: 26px; max-width: 860px; }
.section-title h1, .section-title h2, .page-hero h1 { color: var(--theme-dark); margin: 0 0 14px; line-height: 1.12; }
.section-title h1 { font-size: clamp(38px, 4vw, 60px); }
.section-title h2, .page-hero h1 { font-size: clamp(30px, 3vw, 46px); }
.section-title p, .page-hero p { color: var(--text-muted); line-height: 1.8; font-size: 18px; }
.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: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.category-card h3, .feature-card h3, .zone-card h3, .card h3, .info-card h2 { color: var(--theme-dark); margin-top: 0; }
.category-card a, .text-link { color: var(--theme-dark); font-weight: 800; text-decoration: none; }
.card-media { min-height: 150px; margin: -8px -8px 18px; background: var(--theme-soft); border-radius: 18px; padding: 14px; }
.card-media img { max-height: 142px; }
.split-row { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; margin-bottom: 28px; }
.split-row:nth-child(even) .media-box { order: 2; }
.media-box { min-height: 260px; background: var(--white); border: 1px solid var(--theme-border); border-radius: 28px; box-shadow: var(--shadow-soft); padding: 24px; }
.media-box img { max-height: 240px; }
.app-band { display: grid; grid-template-columns: .92fr 1.08fr; gap: 30px; align-items: center; background: linear-gradient(135deg, var(--theme-soft), var(--white)); border: 1px solid var(--theme-border); border-radius: 30px; padding: 34px; box-shadow: var(--shadow-soft); }
.app-visual { min-height: 260px; }
.app-visual img { max-height: 260px; }
.notice { background: linear-gradient(135deg, var(--theme-deep), var(--theme-dark)); color: var(--on-dark); }
.notice h2, .notice p { color: var(--on-dark); }
.page-hero { padding: 64px 0 36px; background: linear-gradient(180deg, var(--theme-soft), var(--theme-light)); }
.page-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; align-items: center; }
.page-layout .media-box { min-height: 340px; }
.page-layout .media-box img { max-height: 320px; }
.content-block { background: var(--white); border: 1px solid var(--theme-border); border-radius: 26px; padding: 30px; box-shadow: var(--shadow-soft); margin-bottom: 24px; }
.faq-list { display: grid; gap: 18px; }
.faq-item h2 { color: var(--theme-dark); font-size: 22px; margin: 0 0 10px; }
.footer { background: var(--theme-deep); color: var(--on-dark); padding: 48px 0 20px; }
.footer a { color: var(--on-dark); text-decoration: none; display: block; margin: 10px 0; opacity: .9; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 34px; }
.footer h2 { margin: 0 0 14px; font-size: 20px; color: var(--on-dark); }
.footer-brand img { max-width: 180px; max-height: 70px; object-fit: contain; }
.footer-brand p, .footer-legal p { line-height: 1.75; opacity: .88; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-badges span { border: 1px solid rgba(255,255,255,.25); border-radius: 999px; padding: 7px 11px; }
.footer-legal { width: min(1280px, calc(100% - 80px)); margin: 28px auto 0; border-top: 1px solid rgba(255,255,255,.2); padding-top: 18px; }
.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; overflow-y: auto; }
.mobile-drawer.is-open { transform: translateX(0); }
.drawer-overlay { position: fixed; inset: 0; opacity: 0; visibility: hidden; z-index: 10000; background: rgba(7,63,94,.5); 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: 14px; }
.drawer-logo img { max-width: 150px; max-height: 58px; object-fit: contain; }
.drawer-close { border: 0; border-radius: 12px; background: rgba(255,255,255,.16); color: var(--on-header); font-size: 30px; width: 42px; height: 42px; }
.drawer-nav { display: grid; gap: 10px; margin-top: 24px; }
.drawer-nav a { text-decoration: none; color: var(--on-header); padding: 12px 14px; border-radius: 14px; background: rgba(255,255,255,.12); font-weight: 700; }
@media (max-width: 1160px) { .main-nav { gap: 10px; } .main-nav a { font-size: 13px; } .grid-8 { grid-template-columns: repeat(3, 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; }
  .intro-card, .app-band, .page-layout, .split-row { grid-template-columns: 1fr; }
  .split-row:nth-child(even) .media-box { order: 0; }
  .grid-8, .grid-3, .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .section { padding: 38px 0; }
  .banner-section { padding-top: 22px; }
  .banner-arrow { width: 38px; height: 38px; font-size: 28px; }
  .banner-prev { left: 8px; } .banner-next { right: 8px; }
  .intro-card, .card, .zone-card, .info-card, .feature-card, .category-card, .faq-item, .notice, .visual-card { padding: 22px; }
  .grid-8, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .app-band { padding: 24px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-legal { 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; }
}