:root {
  --theme: #1678ff;
  --theme-dark: #0d52bd;
  --theme-deep: #062b66;
  --theme-light: #f2f7ff;
  --theme-soft: #dceaff;
  --theme-accent: #5ba0ff;
  --theme-hover: #0f66e5;
  --theme-border: rgba(22, 120, 255, .28);
  --header-bg: #082f6b;
  --header-bg-2: #0b4a9f;
  --text-main: #13294a;
  --text-muted: #536a88;
  --on-theme: #001225;
  --on-header: #ffffff;
  --on-dark: #ffffff;
  --white: #ffffff;
  --shadow-soft: 0 18px 48px rgba(13, 82, 189, .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: Arial, Helvetica, sans-serif; font-size: 16px; line-height: 1.7; }
a { color: var(--theme-dark); }
img { max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
.container, .section-inner, .header-inner, .footer-inner, .hero-inner { width: min(1280px, calc(100% - 80px)); margin-left: auto; margin-right: auto; }
.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: 0 12px 32px rgba(6, 43, 102, .34); border-bottom: 1px solid rgba(255,255,255,.16); 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; 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: 20px; }
.main-nav a { color: var(--on-header); text-decoration: none; white-space: nowrap; font-weight: 700; font-size: 14px; padding: 27px 0 23px; border-bottom: 3px solid transparent; }
.main-nav a.active, .main-nav a:hover { color: var(--theme-accent); border-bottom-color: var(--theme-accent); }
.header-actions { display: flex; align-items: center; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 11px 22px; border: 0; border-radius: 999px; background: linear-gradient(180deg, var(--theme-accent) 0%, var(--theme) 48%, var(--theme-dark) 100%); color: var(--on-theme); box-shadow: 0 12px 28px rgba(0,0,0,.18); text-decoration: none; white-space: nowrap; font-weight: 800; }
.main-btn:hover { transform: translateY(-1px); filter: saturate(1.08); }
.mobile-menu-toggle { display: none; border: 1px solid rgba(255,255,255,.35); border-radius: 12px; background: rgba(255,255,255,.11); align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.mobile-menu-toggle span { width: 20px; height: 2px; background: var(--on-header); border-radius: 2px; }
.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: linear-gradient(180deg, var(--header-bg), var(--theme-deep)); color: var(--on-header); box-shadow: 20px 0 50px rgba(0,0,0,.3); 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(19,41,74,.66); 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: 16px; min-height: 78px; padding: 14px 18px; border-bottom: 1px solid rgba(255,255,255,.16); }
.drawer-logo img { display: block; width: auto; height: auto; max-width: 150px; max-height: 54px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; background: rgba(255,255,255,.1); color: var(--on-header); font-size: 28px; }
.drawer-nav { display: grid; padding: 14px; }
.drawer-nav a { color: var(--on-header); text-decoration: none; padding: 12px 14px; border-bottom: 1px solid rgba(255,255,255,.1); }
.drawer-nav a.active { color: var(--theme-accent); font-weight: 800; }
.section { padding: 68px 0; }
.section-soft { background: var(--theme-soft); }
.section-white { background: var(--white); }
.banner-section { padding: 34px 0 24px; background: linear-gradient(180deg, var(--theme-light), var(--theme-soft)); }
.banner-carousel { position: relative; width: 100%; overflow: hidden; border-radius: 28px; background: var(--theme-soft); border: 1px solid var(--theme-border); box-shadow: var(--shadow-soft); }
.banner-slide { display: none; align-items: center; justify-content: center; width: 100%; }
.banner-slide.active { display: flex; }
.banner-slide img { display: block; width: 100%; height: auto; max-height: none; object-fit: contain; }
.banner-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; background: rgba(8,47,107,.82); color: var(--on-header); font-size: 32px; line-height: 1; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.banner-arrow:hover { background: var(--theme-dark); }
.banner-prev { left: 18px; }
.banner-next { right: 18px; }
.banner-dots { position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%); display: flex; gap: 9px; z-index: 3; padding: 7px 10px; border-radius: 999px; background: rgba(6,43,102,.50); }
.banner-dots button { width: 10px; height: 10px; padding: 0; border: 1px solid rgba(255,255,255,.78); border-radius: 50%; background: rgba(255,255,255,.45); cursor: pointer; }
.banner-dots button.active { width: 28px; border-radius: 999px; background: var(--theme-accent); }
.intro-section { padding: 30px 0 22px; background: var(--white); }
.intro-card { background: linear-gradient(135deg, var(--white), var(--theme-soft)); border: 1px solid var(--theme-border); border-radius: 28px; box-shadow: var(--shadow-soft); padding: 32px; }
.intro-card p { margin: 16px 0 24px; color: var(--text-main); font-size: 17px; line-height: 1.8; }
.headline-section { padding: 38px 0 30px; background: var(--white); }
.headline-content { max-width: 1050px; margin: 0 auto; text-align: center; }
.headline-content h1 { color: var(--theme-dark); font-size: clamp(38px, 4.4vw, 64px); line-height: 1.08; letter-spacing: -.03em; margin: 16px auto 22px; }
.headline-content p { color: var(--text-main); font-size: 18px; line-height: 1.8; margin: 0 auto; max-width: 960px; }
.headline-tags { margin-top: 24px; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.headline-tags span { display: inline-flex; padding: 9px 15px; border-radius: 999px; background: var(--theme-soft); border: 1px solid var(--theme-border); color: var(--theme-dark); font-weight: 800; }
.hero-section { padding: 64px 0 42px; background: radial-gradient(circle at 15% 20%, var(--theme-soft) 0%, transparent 34%), linear-gradient(180deg, var(--theme-light) 0%, var(--white) 100%); }
.hero-inner { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); align-items: center; gap: 56px; }
.hero-content h1 { font-size: clamp(42px, 4.2vw, 64px); line-height: 1.08; letter-spacing: -.03em; margin: 14px 0 22px; color: var(--theme-dark); max-width: 840px; }
.hero-content p { max-width: 760px; font-size: 18px; line-height: 1.8; color: var(--text-main); margin: 0 0 28px; }
.hero-badge, .hero-tags span, .eyebrow, .tag, .badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 9px 15px; background: var(--theme-soft); color: var(--theme-dark); border: 1px solid var(--theme-border); font-weight: 800; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-visual, .media-box, .app-visual, .card-media { display: flex; align-items: center; justify-content: center; overflow: visible; }
.hero-media-box { width: min(100%, 540px); min-height: 320px; max-height: 420px; padding: 34px; display: flex; align-items: center; justify-content: center; overflow: visible; border-radius: 32px; background: linear-gradient(180deg, var(--white) 0%, var(--theme-soft) 100%); border: 1px solid var(--theme-border); box-shadow: var(--shadow-soft); }
.hero-media-box img, .media-box img, .app-visual img, .card-media img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; opacity: 1; }
.hero-media-box img { max-height: 340px; }
.info-section { padding: 28px 0 54px; background: var(--white); }
.info-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.info-card, .card, .zone-card, .feature-card, .category-card, .faq-item, .notice, .visual-card, .content-card, .quote-card { position: relative; 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::before, .category-card::before, .feature-card::before, .content-card::before { content: ""; display: block; width: 52px; height: 4px; border-radius: 999px; background: linear-gradient(90deg, var(--theme), var(--theme-accent)); margin-bottom: 16px; }
.info-card span, .card-number { color: var(--theme-dark); font-weight: 900; }
.info-card h2, .category-card h3, .feature-card h3, .content-card h3 { color: var(--theme-dark); margin: 10px 0; line-height: 1.3; }
.info-card p, .card p, .category-card p, .feature-card p, .content-card p { color: var(--text-muted); margin-bottom: 0; }
.category-section { padding: 26px 0 58px; background: var(--white); }
.category-pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.category-pills a { background: var(--white); color: var(--theme-dark); border: 1px solid var(--theme-border); border-radius: 999px; padding: 11px 18px; text-decoration: none; font-weight: 800; box-shadow: 0 8px 22px rgba(13,82,189,.10); }
.category-pills a:hover { background: linear-gradient(180deg, var(--theme-accent), var(--theme)); color: var(--on-theme); }
.section-heading { max-width: 820px; margin-bottom: 32px; }
.section-heading.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-heading h2 { color: var(--theme-dark); font-size: clamp(30px, 3vw, 46px); line-height: 1.2; margin: 12px 0 14px; }
.section-heading p { color: var(--text-muted); font-size: 17px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.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; }
.grid-8 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.text-link { display: inline-flex; margin-top: 16px; font-weight: 800; text-decoration: none; color: var(--theme-dark); }
.text-link:hover { color: var(--theme-hover); }
.split { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(340px, .98fr); align-items: center; gap: 48px; }
.split.reverse .split-copy { order: 2; }
.split.reverse .split-media { order: 1; }
.split-copy h2 { color: var(--theme-dark); font-size: clamp(30px, 3vw, 46px); line-height: 1.2; }
.split-copy p { color: var(--text-muted); }
.split-media { min-height: 340px; border-radius: 30px; background: linear-gradient(180deg, var(--white), var(--theme-soft)); border: 1px solid var(--theme-border); box-shadow: var(--shadow-soft); padding: 30px; display: flex; align-items: center; justify-content: center; }
.split-media img { max-width: 100%; max-height: 320px; width: auto; height: auto; object-fit: contain; }
.check-list, .plain-list { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 12px; }
.check-list li, .plain-list li { position: relative; padding-left: 30px; }
.check-list li::before, .plain-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--theme-dark); font-weight: 900; }
.page-hero { padding: 60px 0 44px; background: radial-gradient(circle at 12% 15%, var(--theme-soft), transparent 35%), linear-gradient(180deg, var(--theme-light), var(--white)); }
.page-hero-inner { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(330px, .92fr); align-items: center; gap: 48px; }
.page-hero h1 { color: var(--theme-dark); font-size: clamp(40px, 4vw, 60px); line-height: 1.1; margin: 14px 0 18px; }
.page-hero p { font-size: 18px; color: var(--text-main); line-height: 1.8; }
.page-visual { min-height: 330px; border-radius: 30px; background: linear-gradient(180deg, var(--white), var(--theme-soft)); border: 1px solid var(--theme-border); box-shadow: var(--shadow-soft); padding: 28px; display: flex; align-items: center; justify-content: center; }
.page-visual img { max-width: 100%; max-height: 300px; width: auto; height: auto; object-fit: contain; }
.article-copy { max-width: 980px; }
.article-copy h2 { color: var(--theme-dark); font-size: clamp(28px, 2.7vw, 42px); line-height: 1.24; margin: 0 0 18px; }
.article-copy h3 { color: var(--theme-dark); }
.article-copy p { color: var(--text-main); }
.entity-grid, .point-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin-top: 26px; }
.entity-card, .point-card { background: var(--white); border: 1px solid var(--theme-border); border-radius: 22px; padding: 24px; box-shadow: 0 12px 34px rgba(13,82,189,.11); }
.entity-card h3, .point-card h3 { color: var(--theme-dark); margin-top: 0; }
.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; }
.faq-list { display: grid; gap: 18px; }
.faq-item h3 { margin: 0 0 10px; color: var(--theme-dark); font-size: 19px; }
.faq-item p { margin: 0; color: var(--text-muted); }
.notice { background: linear-gradient(135deg, var(--theme-soft), var(--white)); border-left: 6px solid var(--theme); }
.notice h2, .notice h3 { color: var(--theme-dark); margin-top: 0; }
.related-links { display: flex; flex-wrap: wrap; gap: 12px; }
.related-links a { text-decoration: none; padding: 10px 15px; border-radius: 999px; background: var(--white); border: 1px solid var(--theme-border); color: var(--theme-dark); font-weight: 800; }
.footer { background: linear-gradient(180deg, var(--theme-dark) 0%, var(--theme-deep) 100%); color: var(--on-dark); padding: 58px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 36px; }
.footer h2 { font-size: 18px; margin-top: 0; color: var(--theme-accent); }
.footer a { display: block; color: var(--on-dark); text-decoration: none; margin: 8px 0; opacity: .92; }
.footer a:hover { color: var(--theme-accent); }
.footer-brand img { display: block; width: auto; height: auto; max-width: 190px; max-height: 72px; object-fit: contain; margin-bottom: 18px; }
.footer-brand p, .footer-notice p { opacity: .86; }
.footer-notice { border-top: 1px solid rgba(255,255,255,.15); margin-top: 38px; padding-top: 24px; }
.footer-notice strong { color: var(--theme-accent); }
@media (min-width: 1440px) { .container, .section-inner, .header-inner, .footer-inner, .hero-inner { width: min(1360px, calc(100% - 120px)); } .hero-inner { grid-template-columns: minmax(0, 1.05fr) minmax(480px, .95fr); gap: 80px; } .hero-media-box { max-width: 600px; min-height: 400px; } }
@media (max-width: 1180px) { .main-nav { gap: 13px; } .main-nav a { font-size: 13px; } .grid-4, .grid-8 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 1023px) { .header-inner { width: min(100% - 28px, 1280px); min-height: 68px; 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 { padding: 10px 16px; } .hero-section { padding: 48px 0 36px; } .hero-inner, .page-hero-inner, .split { grid-template-columns: 1fr; gap: 32px; } .split.reverse .split-copy, .split.reverse .split-media { order: initial; } .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, .entity-grid, .point-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .footer-grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 767px) { .container, .section-inner, .header-inner, .footer-inner, .hero-inner { width: min(100% - 32px, 1280px); } .section { padding: 50px 0; } .info-grid, .grid-2, .grid-3, .grid-4, .grid-8, .entity-grid, .point-grid, .quote-grid, .footer-grid { grid-template-columns: 1fr; } .hero-content p, .page-hero p { font-size: 16px; } .page-visual, .split-media { min-height: 260px; } .category-pills { justify-content: flex-start; } }
@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: 20px 0 14px; }
  .banner-carousel { border-radius: 18px; }
  .banner-arrow { width: 36px; height: 36px; font-size: 25px; }
  .banner-prev { left: 8px; }
  .banner-next { right: 8px; }
  .banner-dots { bottom: 8px; }
  .intro-card { padding: 24px; }
  .headline-content h1 { font-size: clamp(34px, 9vw, 48px); }
  .headline-content p, .intro-card p { font-size: 16px; }
}