:root {
  --theme: #31a749;
  --theme-dark: #247d36;
  --theme-deep: #145124;
  --theme-light: #f2fbf4;
  --theme-soft: #def3e2;
  --theme-accent: #63c878;
  --theme-hover: #278f3c;
  --theme-border: rgba(49, 167, 73, .24);
  --header-bg: #1b632d;
  --header-bg-2: #247d39;
  --text-main: #1b3320;
  --text-muted: #5a6f5f;
  --on-theme: #ffffff;
  --on-header: #ffffff;
  --on-dark: #f2fbf4;
  --white: #ffffff;
  --shadow-soft: 0 18px 44px rgba(20, 81, 36, .16);
}
* { 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: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; line-height: 1.72; }
a { color: var(--theme-dark); }
img { max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
.container, .section-inner, .header-inner, .footer-inner { width: min(1280px, calc(100% - 80px)); margin-left: auto; margin-right: auto; }
.section { padding: 62px 0; }
.section.compact { padding: 34px 0; }
.section-soft { background: linear-gradient(180deg, var(--theme-soft) 0%, var(--theme-light) 100%); }
.section-white { background: var(--white); }
.eyebrow, .badge { display: inline-flex; align-items: center; gap: 8px; width: auto; max-width: max-content; padding: 8px 14px; border-radius: 999px; background: var(--theme-soft); color: var(--theme-dark); border: 1px solid var(--theme-border); font-weight: 750; letter-spacing: .02em; }
.section-title { margin: 0 0 14px; font-size: clamp(30px, 3vw, 44px); line-height: 1.14; color: var(--theme-dark); }
.section-lead { margin: 0 0 28px; max-width: 900px; color: var(--text-muted); font-size: 17px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.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: 20px; }
.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; }
.card::before, .zone-card::before, .info-card::before, .feature-card::before, .category-card::before { content: ""; display: block; width: 52px; height: 4px; border-radius: 999px; background: linear-gradient(90deg, var(--theme), var(--theme-accent)); margin-bottom: 16px; }
.card h2, .card h3, .zone-card h2, .zone-card h3, .info-card h2, .info-card h3, .feature-card h3, .category-card h3, .faq-item h3 { color: var(--theme-dark); margin-top: 0; }
.card p:last-child, .zone-card p:last-child, .info-card p:last-child, .faq-item p:last-child { margin-bottom: 0; }
.text-link { font-weight: 750; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.text-link:hover { color: var(--theme-hover); }
.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); border-bottom: 1px solid var(--theme-border); 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: 20px; }
.main-nav a { color: var(--on-header); text-decoration: none; white-space: nowrap; padding: 28px 0 24px; border-bottom: 3px solid transparent; font-size: 14px; font-weight: 650; }
.main-nav a.active, .main-nav a:hover { color: var(--white); border-bottom-color: var(--theme-accent); }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 11px 20px; border: 0; background: linear-gradient(180deg, var(--theme-accent) 0%, var(--theme) 52%, var(--theme) 100%); color: var(--on-theme); border-radius: 999px; box-shadow: 0 14px 28px rgba(0,0,0,.16); text-decoration: none; white-space: nowrap; font-weight: 800; }
.main-btn:hover { background: linear-gradient(180deg, var(--theme-accent) 0%, var(--theme) 100%); transform: translateY(-1px); }
.mobile-menu-toggle { display: none; align-items: center; justify-content: center; flex-direction: column; gap: 5px; border: 1px solid rgba(255,255,255,.35); border-radius: 12px; background: rgba(255,255,255,.08); color: var(--on-header); }
.mobile-menu-toggle span { display: block; width: 20px; height: 2px; background: currentColor; border-radius: 3px; }
.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) 0%, var(--theme-deep) 100%); 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; transition: .28s ease; z-index: 10000; background: rgba(20, 81, 36, .58); }
.drawer-overlay.is-open { opacity: 1; visibility: visible; }
body.menu-open { overflow: hidden; }
.drawer-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,.18); }
.drawer-logo img { display: block; width: auto; height: auto; max-width: 145px; max-height: 58px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.28); background: rgba(255,255,255,.08); color: var(--on-header); border-radius: 12px; font-size: 30px; line-height: 1; }
.drawer-nav { display: grid; padding: 18px 0; }
.drawer-nav a { color: var(--on-header); text-decoration: none; padding: 13px 4px; border-bottom: 1px solid rgba(255,255,255,.13); }
.drawer-nav a.active { color: #dff6e4; font-weight: 800; }
.banner-section { padding: 36px 0 24px; background: radial-gradient(circle at 14% 12%, var(--theme-soft) 0%, transparent 38%), var(--theme-light); }
.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%); width: 46px; height: 46px; border: 0; border-radius: 50%; background: rgba(20,81,36,.84); color: white; font-size: 28px; cursor: pointer; }
.banner-prev { left: 18px; }
.banner-next { right: 18px; }
.banner-dots { position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%); display: flex; gap: 9px; padding: 8px 10px; border-radius: 999px; background: rgba(20,81,36,.54); }
.banner-dots button { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.55); }
.banner-dots button.active { width: 28px; border-radius: 999px; background: white; }
.intro-card { padding: 32px; background: linear-gradient(135deg, var(--white), var(--theme-soft)); border: 1px solid var(--theme-border); border-radius: 28px; box-shadow: var(--shadow-soft); }
.intro-card h1 { color: var(--theme-dark); margin: 14px 0 14px; font-size: clamp(34px, 4vw, 58px); line-height: 1.1; }
.category-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.category-pill, .tag { border-radius: 999px; padding: 8px 14px; display: inline-flex; width: auto; max-width: max-content; border: 1px solid var(--theme-border); background: var(--theme-soft); color: var(--theme-dark); text-decoration: none; font-weight: 700; }
.category-pill:hover { background: var(--theme); color: var(--on-theme); }
.card-number { font-size: 13px; font-weight: 900; color: var(--theme); letter-spacing: .12em; }
.split { display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(330px, .94fr); gap: 42px; align-items: center; }
.split.reverse { grid-template-columns: minmax(330px, .94fr) minmax(0, 1.06fr); }
.split.reverse .split-media { order: 1; }
.split.reverse .split-content { order: 2; }
.media-box, .banner-media, .hero-visual, .app-visual, .card-media, .split-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, .split-media img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.split-media { min-height: 320px; padding: 24px; border-radius: 28px; border: 1px solid var(--theme-border); background: linear-gradient(180deg, var(--white), var(--theme-soft)); box-shadow: var(--shadow-soft); }
.split-media img { max-height: 360px; }
.topic-hero { padding: 56px 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%); }
.topic-hero-inner { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(340px, .92fr); align-items: center; gap: 48px; }
.topic-hero h1 { color: var(--theme-dark); font-size: clamp(42px, 4.2vw, 64px); line-height: 1.08; letter-spacing: -.025em; margin: 14px 0 20px; }
.topic-hero p { font-size: 17px; color: var(--text-muted); margin: 0; }
.topic-visual { width: min(100%, 540px); min-height: 320px; max-height: 420px; padding: 30px; display: flex; align-items: center; justify-content: center; overflow: visible; background: linear-gradient(180deg, var(--white) 0%, var(--theme-soft) 100%); border: 1px solid var(--theme-border); border-radius: 28px; box-shadow: var(--shadow-soft); justify-self: end; }
.topic-visual img { max-width: 100%; max-height: 340px; width: auto; height: auto; object-fit: contain; opacity: 1; }
.hero-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 24px; }
.hero-fact { padding: 14px 16px; border-radius: 18px; background: var(--white); border: 1px solid var(--theme-border); color: var(--theme-dark); font-weight: 750; }
.check-list { display: grid; gap: 12px; padding: 0; margin: 18px 0 0; list-style: none; }
.check-list li { position: relative; padding: 14px 16px 14px 46px; border-radius: 16px; background: var(--theme-soft); border: 1px solid var(--theme-border); }
.check-list li::before { content: "✓"; position: absolute; left: 16px; top: 13px; color: var(--theme); font-weight: 900; }
.feedback-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.feedback { background: var(--white); border: 1px solid var(--theme-border); border-radius: 22px; padding: 24px; box-shadow: var(--shadow-soft); }
.feedback p { margin: 0; }
.feedback strong { display: block; color: var(--theme-dark); margin-top: 12px; }
.faq-list { display: grid; gap: 18px; }
.faq-item { padding: 24px 26px; }
.notice { background: linear-gradient(135deg, var(--theme-deep), var(--header-bg-2)); color: var(--on-dark); border-color: rgba(255,255,255,.2); }
.notice h2 { color: white; margin-top: 0; }
.notice a { color: white; }
.related-links { display: flex; flex-wrap: wrap; gap: 12px; }
.related-links a { display: inline-flex; padding: 10px 14px; border-radius: 999px; text-decoration: none; background: var(--white); border: 1px solid var(--theme-border); color: var(--theme-dark); font-weight: 700; }
.footer { background: var(--theme-deep); color: var(--on-dark); padding: 56px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 34px; }
.footer h2 { color: white; font-size: 18px; margin-top: 0; }
.footer a { display: block; color: var(--on-dark); text-decoration: none; margin: 9px 0; }
.footer a:hover { text-decoration: underline; }
.footer-brand img { display: block; width: auto; height: auto; max-width: 190px; max-height: 72px; object-fit: contain; margin-bottom: 16px; }
.footer-brand p { color: #dff6e4; max-width: 520px; }
.footer-notice { margin-top: 34px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.18); }
.footer-notice p { color: #dff6e4; margin-bottom: 0; }
.footer-bottom { margin-top: 20px; color: #b9d1f7; font-size: 14px; }
@media (min-width: 1440px) { .container, .section-inner, .header-inner, .footer-inner { width: min(1360px, calc(100% - 120px)); } }
@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; 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; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split, .split.reverse, .topic-hero-inner { grid-template-columns: 1fr; }
  .split.reverse .split-media, .split.reverse .split-content { order: initial; }
  .topic-visual { justify-self: stretch; width: 100%; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 767px) {
  .container, .section-inner, .header-inner, .footer-inner { width: min(100% - 32px, 1280px); }
  .section { padding: 44px 0; }
  .banner-section { padding-top: 18px; }
  .banner-carousel { border-radius: 18px; }
  .banner-arrow { width: 38px; height: 38px; font-size: 24px; }
  .banner-prev { left: 10px; } .banner-next { right: 10px; }
  .grid-2, .grid-3, .grid-4, .grid-8, .feedback-grid, .hero-facts, .footer-grid { grid-template-columns: 1fr; }
  .intro-card { padding: 24px; border-radius: 22px; }
  .intro-card h1 { font-size: clamp(34px, 10vw, 48px); }
  .topic-hero { padding: 38px 0 28px; }
  .topic-hero h1 { font-size: clamp(36px, 11vw, 52px); }
  .topic-visual, .split-media { min-height: 240px; padding: 20px; }
  .topic-visual img, .split-media img { max-height: 280px; }
  .card, .zone-card, .info-card, .feature-card, .category-card, .faq-item, .notice, .visual-card { padding: 22px; border-radius: 20px; }
  .banner-dots { bottom: 10px; }
}
@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; }
}