:root {
  --theme: #0eb1db;
  --theme-dark: #087b99;
  --theme-deep: #06485c;
  --theme-light: #eefbff;
  --theme-soft: #d9f6fd;
  --theme-accent: #5fdcff;
  --theme-hover: #099ac0;
  --theme-border: rgba(14, 177, 219, 0.24);
  --header-bg: #075d78;
  --header-bg-2: #0a89a8;
  --text-main: #12323b;
  --text-muted: #5b737b;
  --on-theme: #062b35;
  --on-header: #f2fcff;
  --on-dark: #f4fcff;
  --white: #ffffff;
  --shadow-soft: 0 18px 48px rgba(6, 72, 92, 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;
  line-height: 1.6;
}
a { color: inherit; }
img { max-width: 100%; }
.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;
  text-decoration: none;
}
.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: 8px 0;
  border-bottom: 2px solid transparent;
}
.main-nav a.active,
.main-nav a:hover {
  color: #ffffff;
  border-bottom: 2px solid var(--theme-accent);
}
.mobile-menu-toggle,
.drawer-close {
  display: none;
  border: 1px solid rgba(255,255,255,.32);
  background: rgba(255,255,255,.13);
  color: var(--on-header);
  border-radius: 14px;
  font-size: 24px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.header-actions { display: flex; justify-content: flex-end; }
.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  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;
  border: 1px solid rgba(255,255,255,.35);
}
.main-btn:hover { transform: translateY(-1px); }
.section { padding: 58px 0; }
.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, 0.92fr);
  align-items: center;
  gap: 64px;
}
.hero-content h1 {
  font-size: clamp(56px, 5vw, 76px);
  line-height: 1.05;
  margin: 0 0 24px;
  color: var(--theme-dark);
  letter-spacing: -1.8px;
}
.hero-content p {
  font-size: 19px;
  line-height: 1.8;
  color: var(--text-main);
  margin: 0 0 28px;
  max-width: 820px;
}
.hero-badge,
.hero-tags span {
  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;
}
.hero-badge { margin-bottom: 18px; }
.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: linear-gradient(145deg, var(--white) 0%, var(--theme-soft) 100%);
  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 span { color: var(--theme-dark); font-weight: 900; }
.info-card h2 { color: var(--theme-dark); margin: 12px 0; font-size: 22px; }
.info-card p { color: var(--text-muted); line-height: 1.7; margin: 0; }
.category-section { padding: 0 0 42px; }
.category-pills { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.category-pills a,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 10px 16px;
  text-decoration: none;
  background: var(--white);
  color: var(--theme-dark);
  border: 1px solid var(--theme-border);
  font-weight: 800;
}
.section-title { margin-bottom: 28px; }
.section-title h2,
.page-title h1 { color: var(--theme-dark); margin: 0 0 12px; line-height: 1.16; }
.section-title h2 { font-size: clamp(32px, 3vw, 48px); }
.page-title h1 { font-size: clamp(38px, 4vw, 62px); }
.section-title p,
.page-title p { color: var(--text-muted); font-size: 18px; max-width: 860px; }
.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: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.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 h3,
.zone-card h3,
.feature-card h3,
.category-card h3,
.visual-card h3 { color: var(--theme-dark); margin: 0 0 12px; font-size: 23px; }
.card p,
.zone-card p,
.feature-card p,
.category-card p,
.visual-card p,
.notice p { color: var(--text-muted); margin: 0 0 16px; }
.card-media,
.media-box,
.app-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  min-height: 180px;
  margin-bottom: 18px;
}
.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;
}
.category-card .card-media { min-height: 150px; background: var(--theme-soft); border-radius: 20px; padding: 18px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: center; }
.split + .split { margin-top: 34px; }
.split:nth-child(even) .visual-card { order: 2; }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.category-pill,
.tag,
.badge {
  border-radius: 999px;
  padding: 8px 14px;
  display: inline-flex;
  width: auto;
  max-width: max-content;
  background: var(--theme-soft);
  color: var(--theme-dark);
  border: 1px solid var(--theme-border);
  font-weight: 800;
}
.page-hero { padding: 64px 0 36px; background: linear-gradient(180deg, var(--theme-soft), var(--theme-light)); }
.page-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(300px, .9fr); gap: 34px; align-items: center; }
.page-content { display: grid; gap: 24px; }
.content-list { margin: 0; padding-left: 22px; color: var(--text-muted); }
.content-list li { margin: 8px 0; }
.faq-list { display: grid; gap: 18px; }
.faq-item h3 { margin: 0 0 10px; color: var(--theme-dark); }
.faq-item p { margin: 0; color: var(--text-muted); }
.notice { background: linear-gradient(135deg, var(--white), var(--theme-soft)); }
.footer { background: var(--theme-deep); color: var(--on-dark); margin-top: 50px; }
.footer-inner { padding: 48px 0; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 28px; }
.footer a { color: var(--on-dark); text-decoration: none; display: block; margin: 8px 0; }
.footer-logo img { display: block; max-width: 170px; max-height: 70px; width: auto; height: auto; object-fit: contain; margin-bottom: 16px; }
.footer h3 { margin: 0 0 14px; color: #ffffff; }
.footer p { color: rgba(244,252,255,.86); margin: 0 0 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.18); padding: 18px 0; text-align: center; color: rgba(244,252,255,.8); }
.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;
  box-shadow: 18px 0 40px rgba(0,0,0,.25);
}
.mobile-drawer.is-open { transform: translateX(0); }
.drawer-overlay {
  position: fixed;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  z-index: 10000;
  background: rgba(0,0,0,.42);
  transition: opacity .28s ease, visibility .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; margin-bottom: 24px; }
.drawer-head img { max-width: 150px; max-height: 58px; object-fit: contain; }
.drawer-close { display: inline-flex; width: 42px; height: 42px; }
.drawer-nav a { display: block; color: var(--on-header); text-decoration: none; padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.16); font-weight: 800; }
@media (min-width: 1440px) {
  .hero-inner { grid-template-columns: minmax(0, 1.05fr) minmax(480px, 0.95fr); 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; font-size: 14px; }
}
@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-8, .grid-3, .grid-2, .page-layout, .split { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .section { padding: 42px 0; }
  .info-grid, .grid-8, .grid-3, .grid-2, .page-layout, .split { grid-template-columns: 1fr; }
  .split:nth-child(even) .visual-card { order: 0; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-content p, .section-title p, .page-title p { font-size: 16px; }
}
@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; }
  .hero-tags span { font-size: 13px; }
}