:root {
  --theme: #0ba3e9;
  --theme-dark: #0878ad;
  --theme-deep: #044565;
  --theme-light: #eef9ff;
  --theme-soft: #d4efff;
  --theme-accent: #42c5ff;
  --theme-hover: #0790cf;
  --theme-border: rgba(11,163,233,.34);
  --header-bg: #064e76;
  --header-bg-2: #0878ad;
  --text-main: #0d2636;
  --text-muted: #526978;
  --on-theme: #ffffff;
  --on-header: #eef9ff;
  --on-dark: #eef9ff;
  --white: #ffffff;
  --shadow-soft: 0 18px 45px rgba(11,163,233,.22);
}

* { 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; }
p { line-height: 1.75; }
.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: 19px; }
.main-nav a { color: var(--on-header); text-decoration: none; white-space: nowrap; font-weight: 700; font-size: 15px; padding: 30px 0 25px; border-bottom: 2px solid transparent; }
.main-nav a.active, .main-nav a:hover { color: var(--theme-soft); border-bottom: 2px solid var(--theme-accent); }
.main-btn, .text-btn { 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 20px; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; border: 0; }
.main-btn:hover, .text-btn:hover { transform: translateY(-1px); background: linear-gradient(180deg, var(--theme-accent) 0%, var(--theme-hover) 55%, var(--theme-dark) 100%); }
.mobile-menu-toggle { display: none; border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.12); border-radius: 14px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.mobile-menu-toggle span { width: 20px; height: 2px; background: var(--on-header); display: block; }
.drawer-overlay { position: fixed; inset: 0; background: rgba(0,57,75,.46); opacity: 0; visibility: hidden; z-index: 10000; transition: opacity .28s ease, visibility .28s ease; }
.drawer-overlay.is-open { opacity: 1; visibility: visible; }
.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; overflow-y: auto; }
.mobile-drawer.is-open { transform: translateX(0); }
body.menu-open { overflow: hidden; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.drawer-head img { max-width: 140px; max-height: 56px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.35); border-radius: 14px; color: var(--on-header); background: rgba(255,255,255,.12); font-size: 28px; line-height: 1; }
.drawer-nav { display: grid; gap: 10px; }
.drawer-nav a { text-decoration: none; color: var(--on-header); padding: 13px 14px; border-radius: 16px; background: rgba(255,255,255,.1); font-weight: 700; }
.drawer-nav a.active { background: rgba(255,255,255,.22); }
.section { padding: 58px 0; }
.banner-section { padding: 36px 0 24px; background: linear-gradient(180deg, var(--theme-light) 0%, var(--theme-soft) 100%); }
.banner-carousel { position: relative; width: 100%; border-radius: 28px; background: var(--theme-soft); box-shadow: var(--shadow-soft); border: 1px solid var(--theme-border); overflow: hidden; }
.banner-slide { display: none; align-items: center; justify-content: center; min-height: 260px; background: var(--white); }
.banner-slide.active { display: flex; }
.banner-slide img { display: block; width: 100%; height: auto; max-height: 560px; object-fit: contain; }
.banner-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: 999px; border: 1px solid rgba(255,255,255,.65); background: rgba(0,57,75,.55); color: #fff; font-size: 34px; line-height: 1; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; }
.banner-prev { left: 18px; }
.banner-next { right: 18px; }
.banner-dots { position: absolute; left: 0; right: 0; bottom: 18px; display: flex; align-items: center; justify-content: center; gap: 10px; }
.banner-dots button { width: 12px; height: 12px; border-radius: 999px; border: 1px solid rgba(255,255,255,.8); background: rgba(255,255,255,.6); padding: 0; cursor: pointer; }
.banner-dots button.active { width: 32px; background: var(--theme-accent); }
.intro-section { padding: 32px 0 24px; }
.intro-card { background: var(--white); color: var(--text-main); border: 1px solid var(--theme-border); box-shadow: var(--shadow-soft); border-radius: 28px; padding: 34px; text-align: center; }
.intro-card h1 { max-width: 980px; margin: 16px auto 18px; color: var(--theme-dark); font-size: clamp(36px, 4.8vw, 66px); line-height: 1.08; letter-spacing: -.035em; }
.intro-card p { max-width: 980px; margin: 0 auto 24px; color: var(--text-main); font-size: 18px; line-height: 1.85; }
.intro-pills { margin-top: 18px; }

.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, .92fr); align-items: center; gap: 64px; }
.hero-content h1 { font-size: clamp(56px, 5vw, 76px); line-height: 1.05; margin: 18px 0 24px; color: var(--theme-dark); letter-spacing: -.04em; }
.hero-content p { font-size: 19px; line-height: 1.8; color: var(--text-main); margin: 0 0 28px; }
.hero-badge, .hero-tags span, .tag, .badge, .category-pill { 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: 800; width: auto; max-width: max-content; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-visual { display: flex; align-items: center; justify-content: center; overflow: visible; }
.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; }
.info-card { background: var(--white); border: 1px solid var(--theme-border); box-shadow: var(--shadow-soft); border-radius: 24px; padding: 28px; color: var(--text-main); }
.info-card span { color: var(--theme); font-weight: 900; font-size: 18px; }
.info-card h2 { color: var(--theme-dark); margin: 12px 0; font-size: 22px; }
.info-card p { color: var(--text-muted); line-height: 1.7; }
.category-section { padding: 24px 0 40px; }
.category-pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.category-pills a { text-decoration: none; border-radius: 999px; padding: 12px 18px; background: var(--white); color: var(--theme-dark); border: 1px solid var(--theme-border); font-weight: 800; box-shadow: 0 10px 28px rgba(2,169,220,.11); }
.section-heading { max-width: 850px; margin: 0 0 28px; }
.section-heading.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-heading h2 { color: var(--theme-dark); margin: 0 0 14px; font-size: clamp(32px, 3vw, 48px); line-height: 1.1; }
.section-heading p { color: var(--text-muted); font-size: 17px; margin: 0; }
.card, .zone-card, .feature-card, .category-card, .faq-item, .notice, .visual-card, .story-card, .quote-card, .page-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; }
.card h3, .zone-card h3, .feature-card h3, .category-card h3, .page-card h3 { color: var(--theme-dark); margin: 0 0 12px; font-size: 22px; }
.card p, .zone-card p, .feature-card p, .category-card p, .page-card p { color: var(--text-muted); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.category-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.category-card a, .card a, .page-card a { color: var(--theme-dark); font-weight: 800; text-decoration: none; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; align-items: center; }
.split.reverse .media-box { order: 2; }
.media-box, .app-visual, .card-media { display: flex; align-items: center; justify-content: center; overflow: visible; }
.media-box { min-height: 300px; padding: 28px; border-radius: 28px; background: var(--white); border: 1px solid var(--theme-border); box-shadow: var(--shadow-soft); }
.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; }
.media-box img { max-height: 320px; }
.app-band { background: linear-gradient(135deg, var(--theme-soft), var(--white)); border: 1px solid var(--theme-border); border-radius: 32px; padding: 36px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; align-items: center; box-shadow: var(--shadow-soft); }
.app-visual { min-height: 300px; }
.app-visual img { max-height: 310px; }
.notice { background: linear-gradient(135deg, var(--theme-soft), var(--white)); }
.notice strong { color: var(--theme-dark); }
.faq-list { display: grid; gap: 18px; }
.faq-item h3 { margin: 0 0 10px; color: var(--theme-dark); }
.quote-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 22px; }
.quote-card p { margin: 0; color: var(--text-main); font-style: italic; }
.page-hero { padding: 70px 0 44px; background: linear-gradient(180deg, var(--theme-soft) 0%, var(--theme-light) 100%); }
.page-hero .section-inner { display: grid; grid-template-columns: minmax(0,1fr) minmax(340px,.75fr); gap: 44px; align-items: center; }
.page-hero h1 { font-size: clamp(42px, 4vw, 64px); line-height: 1.08; margin: 16px 0 18px; color: var(--theme-dark); }
.page-hero p { font-size: 18px; color: var(--text-main); }
.related-nav { display: flex; flex-wrap: wrap; gap: 12px; }
.related-nav a { text-decoration: none; padding: 10px 14px; border-radius: 999px; background: var(--white); color: var(--theme-dark); border: 1px solid var(--theme-border); font-weight: 800; }
.footer { background: var(--theme-deep); color: var(--on-dark); padding: 58px 0 0; }
.footer a { color: var(--on-dark); text-decoration: none; display: block; margin: 9px 0; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 34px; }
.footer-brand img { max-width: 180px; max-height: 72px; object-fit: contain; }
.footer-brand p, .footer-col p { color: rgba(234,250,255,.82); line-height: 1.75; }
.footer-col h2 { color: #fff; margin-top: 0; font-size: 20px; }
.footer-age { display: inline-flex; padding: 9px 14px; border-radius: 999px; background: rgba(255,255,255,.13); font-weight: 900; }
.footer-bottom { margin-top: 34px; padding: 18px; text-align: center; border-top: 1px solid rgba(255,255,255,.18); color: rgba(234,250,255,.82); }
@media (min-width: 1440px) { .hero-inner { grid-template-columns: minmax(0, 1.05fr) minmax(480px, .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: 12px; } .main-nav a { font-size: 14px; } .category-grid, .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); } .footer-inner { 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 { 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-template-columns: repeat(2, minmax(0, 1fr)); } .split, .app-band, .page-hero .section-inner { grid-template-columns: 1fr; } .split.reverse .media-box { order: 0; } .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 767px) { .section { padding: 42px 0; } .info-grid, .grid-2, .grid-4, .category-grid, .quote-grid { grid-template-columns: 1fr; } .card, .zone-card, .feature-card, .category-card, .faq-item, .notice, .visual-card, .story-card, .quote-card, .page-card { padding: 22px; } .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; } }

@media (max-width: 767px) {
  .banner-section { padding: 24px 0 16px; }
  .banner-carousel { border-radius: 18px; }
  .banner-slide { min-height: 150px; }
  .banner-arrow { width: 36px; height: 36px; font-size: 28px; }
  .banner-prev { left: 10px; }
  .banner-next { right: 10px; }
  .banner-dots { bottom: 10px; }
  .intro-card { padding: 24px; text-align: left; }
  .intro-card h1 { font-size: clamp(34px, 9vw, 48px); }
}