:root {
  --brand: rgb(89, 126, 247);
  --brand-hex: #597EF7;
  --deep: #1D2B5F;
  --text: #222222;
  --muted: #5B647A;
  --soft: #ECF0FF;
  --soft-2: #F6F8FF;
  --soft-3: #EAF7FF;
  --white: #FFFFFF;
  --footer: #1F1F1F;
  --footer-2: #2B2B2B;
  --radius: 24px;
  --shadow: 0 18px 45px rgba(89, 126, 247, 0.14);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background: var(--soft-2);
  line-height: 1.75;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(1180px, calc(100% - 36px)); margin: 0 auto; }
.site-main { min-height: 70vh; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 9999;
  background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(89, 126, 247, 0.10);
  transition: box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled { box-shadow: 0 12px 32px rgba(89, 126, 247, 0.16); }
.header-inner { height: 78px; display: flex; align-items: center; gap: 24px; }
.brand { flex: 0 0 auto; display: flex; align-items: center; }
.brand-logo { width: 150px; max-height: 54px; object-fit: contain; }
.main-nav { flex: 1; display: flex; justify-content: center; align-items: center; gap: 6px; }
.main-nav a {
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--deep);
  font-weight: 700;
  font-size: 15px;
  transition: color .2s ease, background .2s ease, transform .2s ease;
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active { color: var(--brand); background: rgba(255,255,255,.72); transform: translateY(-1px); }
.main-btn {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 23px;
  background: linear-gradient(135deg, #7580EE 0%, #597EF7 48%, #7AC4F5 100%);
  color: #fff;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: .02em;
  box-shadow: 0 10px 24px rgba(89, 126, 247, 0.28);
  transition: transform .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.main-btn::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.85) 35%, transparent 70%);
  transform: translateX(-120%);
  animation: btnShine 2.4s infinite;
  z-index: -1;
}
.main-btn::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  border: 1px solid rgba(255,255,255,.65);
  box-shadow:
    0 0 8px rgba(122,196,245,.55),
    0 0 18px rgba(89,126,247,.35);
  pointer-events: none;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(89, 126, 247, 0.34); }
@keyframes btnShine {
  0% { transform: translateX(-120%); }
  55% { transform: translateX(120%); }
  100% { transform: translateX(120%); }
}
.mobile-top { display: none; }
.drawer-mask, .mobile-drawer { display: none; }
.home-hero {
  background:
    radial-gradient(circle at 18% 20%, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0) 32%),
    linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%);
  padding: 72px 0 44px;
}
.hero-split { display: grid; grid-template-columns: 1fr .95fr; gap: 44px; align-items: center; }
.eyebrow, .blue-label, .section-head span, .notice-box span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  background: rgba(89,126,247,.10);
  border: 1px solid rgba(89,126,247,.18);
  border-radius: 999px;
  padding: 6px 14px;
  font-weight: 800;
  font-size: 14px;
}
.hero-copy h1, .inner-hero h1 {
  margin: 18px 0 18px;
  color: var(--deep);
  line-height: 1.08;
  font-size: clamp(38px, 5vw, 66px);
  letter-spacing: -0.04em;
}
.hero-copy p, .inner-hero p { color: #3F4A66; font-size: 18px; max-width: 660px; margin: 0 0 28px; }
.hero-btn { min-height: 52px; padding: 0 30px; }
.hero-tags { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-tags span { color: var(--deep); font-weight: 800; background: #fff; border: 1px solid rgba(89,126,247,.16); border-radius: 999px; padding: 10px 16px; box-shadow: 0 10px 25px rgba(89,126,247,.10); }
.hero-visual { min-width: 0; }
.visual-board {
  border-radius: 34px;
  padding: 22px;
  background: linear-gradient(135deg, rgba(255,255,255,.92), rgba(236,240,255,.86));
  border: 1px solid rgba(89,126,247,.16);
  box-shadow: var(--shadow);
}
.hero-img { width: 100%; max-height: 440px; object-fit: contain; margin: 0 auto; }
.hero-info-lines { margin-top: 16px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.hero-info-lines span { text-align: center; color: var(--deep); background: #fff; border: 1px solid rgba(89,126,247,.14); border-radius: 16px; padding: 10px 8px; font-size: 14px; font-weight: 800; }
.event-strip { padding: 24px 0 10px; background: var(--soft-2); }
.strip-scroll { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 10px; scrollbar-width: thin; }
.strip-scroll a { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 8px; padding: 11px 16px; border-radius: 999px; color: var(--deep); background: #fff; border: 1px solid rgba(89,126,247,.18); font-weight: 800; box-shadow: 0 10px 20px rgba(89,126,247,.08); }
.strip-scroll small { color: var(--brand); font-size: 11px; letter-spacing: .06em; }
.section { padding: 76px 0; }
.section-head { margin-bottom: 30px; max-width: 780px; }
.section-head h2 { margin: 14px 0 10px; color: var(--deep); font-size: clamp(28px, 3vw, 42px); line-height: 1.18; }
.section-head p { color: var(--muted); margin: 0; font-size: 17px; }
.focus-section, .matrix-section, .faq-preview, .content-page { background: var(--soft-2); }
.focus-layout { display: grid; grid-template-columns: 1.08fr .92fr; gap: 24px; align-items: stretch; }
.focus-card, .focus-list article, .dual-card, .matrix-card, .service-grid article, .faq-mini-grid article, .quick-grid article, .article-block, .side-note, .faq-list details {
  background: #fff;
  border: 1px solid rgba(89,126,247,.13);
  box-shadow: 0 16px 34px rgba(89,126,247,.09);
}
.focus-card { border-radius: var(--radius); overflow: hidden; }
.image-panel { background: linear-gradient(135deg, #FFFFFF, #ECF0FF); padding: 18px; min-height: 250px; display: flex; align-items: center; justify-content: center; }
.image-panel img { width: 100%; max-height: 330px; object-fit: contain; }
.card-body { padding: 24px; }
h2, h3 { color: var(--deep); }
.card-body h3, .focus-list h3, .matrix-card h3, .service-grid h3, .article-block h2 { margin: 10px 0 8px; }
p { color: var(--muted); }
.text-link { color: var(--brand); font-weight: 900; display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; }
.text-link::after { content: "→"; }
.focus-list { display: grid; gap: 14px; }
.focus-list article { border-radius: 20px; padding: 20px; }
.focus-list span { color: var(--brand); font-weight: 900; font-size: 14px; }
.dual-zone { background: #fff; }
.dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.dual-card { border-radius: 30px; overflow: hidden; display: grid; grid-template-columns: .9fr 1fr; min-height: 430px; }
.dual-img { display: flex; align-items: center; justify-content: center; padding: 22px; background: linear-gradient(135deg, #F7F9FF, #ECF0FF); }
.dual-img img { max-height: 310px; object-fit: contain; }
.dual-text { padding: 30px; align-self: center; }
.dual-text p { margin-bottom: 10px; }
ul { padding-left: 20px; color: var(--muted); }
li::marker { color: var(--brand); }
.dark-tech { background: linear-gradient(135deg, #1D2B5F, #2B3E7F); }
.dark-tech h2, .dark-tech h3, .dark-tech li { color: #fff; }
.dark-tech p, .dark-tech ul { color: rgba(255,255,255,.82); }
.dark-tech .dual-img { background: rgba(255,255,255,.08); }
.dark-tech .text-link { color: #EAF7FF; }
.matrix-grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: minmax(280px, auto); gap: 18px; align-items: stretch; }
.matrix-card { border-radius: 24px; padding: 18px; display: flex; flex-direction: column; min-height: 280px; }
.matrix-card img { width: 100%; height: 130px; object-fit: contain; border-radius: 18px; background: linear-gradient(135deg, #fff, #ECF0FF); margin-bottom: 14px; }
.matrix-card span { color: var(--brand); font-size: 13px; font-weight: 900; letter-spacing: .08em; }
.matrix-card p { margin: 0; }
.matrix-card .text-link { margin-top: auto; }
.matrix-card.wide { grid-column: span 2; }
.matrix-card.tall { grid-row: span 2; }
.matrix-card.tall img { height: 260px; }
.app-card { background: linear-gradient(135deg, #FFFFFF, #EAF7FF); }
.app-band { background: linear-gradient(135deg, #ECF0FF 0%, #F6F8FF 52%, #EAF7FF 100%); }
.app-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 42px; align-items: center; }
.app-phone { border-radius: 32px; padding: 24px; background: rgba(255,255,255,.78); border: 1px solid rgba(89,126,247,.14); box-shadow: var(--shadow); }
.app-phone img { width: 100%; max-height: 440px; object-fit: contain; margin: 0 auto; }
.app-text h2 { color: var(--deep); font-size: clamp(28px, 3vw, 42px); line-height: 1.2; margin: 16px 0; }
.feature-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; margin: 22px 0 8px; }
.feature-list span { background: #fff; border: 1px solid rgba(89,126,247,.16); border-radius: 16px; color: var(--deep); font-weight: 800; padding: 12px 14px; }
.service-section { background: #fff; }
.service-banner { background: linear-gradient(135deg, #F7F9FF, #ECF0FF); border: 1px solid rgba(89,126,247,.16); border-radius: 24px; color: var(--deep); padding: 22px 24px; margin-bottom: 18px; }
.service-banner strong { color: var(--brand); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.service-grid article { border-radius: 22px; padding: 22px; }
.service-grid b, .quick-grid b { color: var(--brand); font-size: 22px; }
.responsible-card { background: linear-gradient(135deg, #F7F9FF, #ECF0FF); }
.notice-box { background: #fff; border: 1px solid rgba(89,126,247,.16); border-radius: 30px; box-shadow: var(--shadow); padding: clamp(28px, 5vw, 54px); }
.notice-box h2 { font-size: clamp(28px, 3vw, 42px); line-height: 1.18; margin: 18px 0 10px; }
.faq-mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 8px; }
.faq-mini-grid article { border-radius: 22px; padding: 22px; }
.inner-hero { background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%); padding: 70px 0 54px; }
.inner-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.inner-visual { border-radius: 30px; padding: 24px; background: rgba(255,255,255,.72); border: 1px solid rgba(89,126,247,.16); box-shadow: var(--shadow); }
.inner-visual img { width: 100%; max-height: 390px; object-fit: contain; }
.quick-panel { background: #fff; padding-bottom: 20px; }
.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.quick-grid article { border-radius: 22px; padding: 22px; }
.quick-grid h2 { margin: 6px 0; font-size: 20px; }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 24px; align-items: start; }
.article-flow { display: grid; gap: 20px; }
.article-block { border-radius: 24px; padding: clamp(24px, 3vw, 34px); }
.article-block p { margin: 12px 0; }
.side-note { position: sticky; top: 104px; border-radius: 24px; padding: 24px; background: linear-gradient(135deg, #fff, #ECF0FF); }
.faq-full { background: #fff; }
.faq-list { display: grid; gap: 12px; }
.faq-list details { border-radius: 18px; padding: 0 20px; }
.faq-list summary { cursor: pointer; color: var(--deep); font-weight: 900; padding: 18px 0; }
.faq-list p { margin: 0 0 18px; }
.site-footer { background: linear-gradient(135deg, var(--footer), var(--footer-2)); color: rgba(255,255,255,.82); padding: 58px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, .75fr); gap: 32px; }
.footer-brand img { width: 150px; max-height: 54px; object-fit: contain; margin-bottom: 16px; filter: brightness(1.08); }
.footer-brand p, .footer-note p { color: rgba(255,255,255,.70); margin: 0; }
.footer-links h3 { color: #fff; margin: 0 0 12px; }
.footer-links a { display: block; color: rgba(255,255,255,.72); margin: 8px 0; }
.footer-links a:hover { color: #fff; }
.footer-note { border-top: 1px solid rgba(255,255,255,.12); margin-top: 36px; padding-top: 20px; display: grid; gap: 10px; }
@media (max-width: 1080px) {
  .main-nav a { padding: 9px 8px; font-size: 14px; }
  .dual-card { grid-template-columns: 1fr; }
  .matrix-grid { grid-template-columns: repeat(3, 1fr); }
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .desktop-header { display: none; }
  .mobile-top {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    min-height: 66px;
    padding: 8px 14px;
    background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%);
  }
  .menu-toggle { width: 42px; height: 42px; border: 0; border-radius: 14px; background: rgba(255,255,255,.76); box-shadow: 0 8px 18px rgba(89,126,247,.12); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
  .menu-toggle span { width: 20px; height: 2px; border-radius: 99px; background: var(--deep); }
  .mobile-brand { justify-self: center; display: flex; justify-content: center; min-width: 0; }
  .mobile-brand img { width: 132px; max-height: 46px; object-fit: contain; }
  .mobile-join { min-height: 38px; padding: 0 13px; font-size: 13px; }
  .drawer-mask { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.42); opacity: 0; transition: opacity .25s ease; z-index: 10000; }
  .drawer-mask.show { opacity: 1; }
  .mobile-drawer { display: block; position: fixed; left: 0; top: 0; bottom: 0; width: 84vw; max-width: 320px; background: linear-gradient(135deg, #FFFFFF 0%, #ECF0FF 100%); transform: translateX(-102%); transition: transform .28s ease; z-index: 10001; box-shadow: 24px 0 50px rgba(29,43,95,.22); padding: 18px; overflow-y: auto; }
  .mobile-drawer.open { transform: translateX(0); }
  body.drawer-open { overflow: hidden; }
  .drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
  .drawer-head img { width: 135px; max-height: 48px; object-fit: contain; }
  .drawer-close { width: 40px; height: 40px; border: 0; border-radius: 12px; background: #fff; color: var(--deep); font-size: 26px; line-height: 1; box-shadow: 0 8px 18px rgba(89,126,247,.12); }
  .drawer-nav { display: grid; gap: 9px; }
  .drawer-nav a { padding: 13px 14px; border-radius: 16px; color: var(--deep); background: rgba(255,255,255,.72); border: 1px solid rgba(89,126,247,.12); font-weight: 800; }
  .drawer-nav a.active { color: var(--brand); background: #fff; }
  .home-hero { padding: 44px 0 34px; }
  .hero-split, .inner-hero-grid, .focus-layout, .dual-grid, .app-layout, .content-layout { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .hero-copy p, .inner-hero p { margin-left: auto; margin-right: auto; font-size: 16px; }
  .hero-tags, .hero-copy .main-btn { justify-content: center; }
  .hero-tags { margin-bottom: 6px; }
  .visual-board { padding: 16px; border-radius: 26px; }
  .hero-img { max-height: 330px; }
  .hero-info-lines { grid-template-columns: 1fr; }
  .strip-scroll { width: calc(100% - 20px); }
  .section { padding: 54px 0; }
  .section-head { text-align: left; }
  .matrix-grid { grid-template-columns: repeat(2, 1fr); }
  .matrix-card.wide, .matrix-card.tall { grid-column: auto; grid-row: auto; }
  .matrix-card.tall img { height: 130px; }
  .service-grid, .faq-mini-grid { grid-template-columns: 1fr; }
  .side-note { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .container { width: min(100% - 24px, 1180px); }
  .mobile-top { grid-template-columns: 44px 1fr auto; padding: 8px 10px; }
  .mobile-brand img { width: 118px; }
  .mobile-join { min-height: 36px; padding: 0 11px; font-size: 12px; }
  .hero-copy h1, .inner-hero h1 { font-size: 34px; }
  .matrix-grid, .quick-grid, .feature-list { grid-template-columns: 1fr; }
  .focus-list article, .service-grid article, .article-block, .side-note { padding: 18px; }
  .footer-grid { grid-template-columns: 1fr; }
  .image-panel { min-height: 210px; }
}