:root {
  --brand: rgb(89, 126, 247);
  --brand-hex: #597EF7;
  --brand-soft: #ECF0FF;
  --brand-soft-2: #F6F8FF;
  --brand-sky: #EAF7FF;
  --deep: #1D2B5F;
  --text: #222222;
  --muted: #5B647A;
  --line: rgba(89, 126, 247, 0.16);
  --white: #FFFFFF;
  --footer: #1F1F1F;
  --footer-2: #2B2B2B;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background: #F6F8FF;
  line-height: 1.78;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.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);
  border-bottom: 1px solid rgba(89, 126, 247, 0.14);
}
.header-inner {
  width: min(1220px, calc(100% - 32px));
  height: 76px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 22px;
}
.brand { display: inline-flex; align-items: center; min-width: 154px; }
.brand-logo { width: 150px; max-height: 48px; object-fit: contain; }
.desktop-nav { display: flex; justify-content: center; align-items: center; gap: 6px; }
.desktop-nav a {
  padding: 9px 12px;
  color: var(--deep);
  font-size: 15px;
  font-weight: 650;
  border-radius: 999px;
  transition: .25s ease;
  white-space: nowrap;
}
.desktop-nav a:hover, .desktop-nav a.active {
  background: rgba(255,255,255,0.72);
  color: var(--brand);
  box-shadow: 0 8px 18px rgba(89,126,247,.12);
}
.header-action { display: flex; justify-content: flex-end; align-items: center; }
.mobile-menu-slot { display: none; }

.main-btn {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  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 .22s ease, box-shadow .22s 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 14px 28px rgba(89,126,247,.36); }
@keyframes btnShine {
  0% { transform: translateX(-120%); }
  55% { transform: translateX(120%); }
  100% { transform: translateX(120%); }
}

.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 36px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  align-items: center;
  gap: 44px;
}
.kicker, .section-kicker, .card-kicker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  gap: 8px;
  padding: 7px 13px;
  color: var(--brand);
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(89,126,247,.18);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .03em;
}
.hero h1 {
  margin: 20px 0 18px;
  color: var(--deep);
  font-size: clamp(38px, 5.2vw, 68px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.hero h1 span { color: var(--brand); }
.hero p {
  margin: 0 0 26px;
  color: #3F4A66;
  font-size: 17px;
  max-width: 620px;
}
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.hero-tags span {
  color: var(--deep);
  background: rgba(255,255,255,.7);
  border: 1px solid rgba(89,126,247,.16);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 700;
}
.hero-panel {
  padding: 20px;
  border-radius: 32px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(89,126,247,.18);
  box-shadow: 0 24px 60px rgba(89,126,247,.18);
}
.hero-visual {
  min-height: 360px;
  border-radius: 26px;
  background: linear-gradient(135deg, rgba(236,240,255,.95), rgba(234,247,255,.95));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 18px;
}
.hero-visual img { width: 100%; max-height: 430px; object-fit: contain; }
.hero-info { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; }
.hero-info span {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-radius: 16px;
  color: var(--deep);
  background: #FFFFFF;
  border: 1px solid rgba(89,126,247,.14);
  font-size: 13px;
  font-weight: 800;
}

.event-strip-wrap { background: #FFFFFF; padding: 24px 0 26px; }
.event-strip {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 4px 2px 8px;
  scrollbar-width: thin;
}
.event-pill {
  flex: 0 0 auto;
  min-width: 132px;
  padding: 10px 15px;
  border-radius: 999px;
  background: #ECF0FF;
  border: 1px solid rgba(89,126,247,.15);
  color: var(--deep);
  box-shadow: 0 8px 18px rgba(89,126,247,.08);
}
.event-pill small { display: block; color: var(--brand); font-weight: 800; line-height: 1.2; }
.event-pill strong { display: block; font-size: 15px; line-height: 1.35; }

.section { padding: 76px 0; }
.section-white { background: #FFFFFF; }
.section-soft { background: #F6F8FF; }
.section-blue { background: #ECF0FF; }
.section-dark {
  color: #FFFFFF;
  background: linear-gradient(135deg, #202B44 0%, #1F1F1F 100%);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 30px;
}
.section-head h2, .inner-hero h1, .content-block h2, .page-title h2 {
  color: var(--deep);
  line-height: 1.18;
  margin: 10px 0 0;
  font-size: clamp(28px, 3.1vw, 44px);
  letter-spacing: -0.02em;
}
.section-head p, .page-title p, .content-block p, .info-card p, .focus-card p, .feature-card p, .matrix-card p, .faq-item p, .timeline-item p {
  color: var(--muted);
}
.section-dark .section-head h2, .section-dark .section-head p, .section-dark .service-note, .section-dark .service-note p { color: #FFFFFF; }
.text-link {
  color: var(--brand);
  font-weight: 850;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.text-link::after { content: "›"; font-size: 18px; line-height: 1; }
.text-link:hover { text-decoration: underline; }

.focus-layout { display: grid; grid-template-columns: 1.08fr .92fr; gap: 24px; }
.focus-card, .info-card, .feature-card, .matrix-card, .security-card, .faq-item, .timeline-item, .contact-card {
  background: #FFFFFF;
  border: 1px solid rgba(89,126,247,.14);
  border-radius: 26px;
  box-shadow: 0 16px 36px rgba(89,126,247,.08);
}
.focus-card { overflow: hidden; }
.focus-img {
  height: 260px;
  background: linear-gradient(135deg, #ECF0FF, #EAF7FF);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}
.focus-img img { max-height: 100%; width: 100%; object-fit: contain; }
.focus-body { padding: 26px; }
.focus-body h3, .info-card h3, .feature-copy h3, .matrix-card h3, .security-card h3, .faq-item h3, .timeline-item h3, .contact-card h3 { color: var(--deep); margin: 0 0 10px; }
.focus-list { display: grid; gap: 14px; }
.info-card { padding: 22px; }
.info-card span, .feature-copy span, .security-card span, .timeline-item span, .contact-card span {
  display: inline-flex;
  align-items: center;
  color: var(--brand);
  font-weight: 850;
  font-size: 13px;
  margin-bottom: 8px;
}

.duo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.feature-card { display: grid; grid-template-columns: .92fr 1.08fr; gap: 0; overflow: hidden; min-height: 420px; }
.feature-card.deep { background: linear-gradient(135deg, #202B44, #26375D); color: #FFFFFF; }
.feature-card.deep h3, .feature-card.deep p, .feature-card.deep li { color: #FFFFFF; }
.feature-image {
  background: linear-gradient(135deg, #ECF0FF, #EAF7FF);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  min-height: 300px;
}
.feature-image img { max-height: 330px; width: 100%; object-fit: contain; }
.feature-copy { padding: 30px; display: flex; flex-direction: column; justify-content: center; }
.feature-copy h3 { font-size: 28px; }
.feature-copy ul, .app-list, .check-list { padding: 0; margin: 16px 0; list-style: none; display: grid; gap: 9px; }
.feature-copy li, .app-list li, .check-list li {
  position: relative;
  padding-left: 20px;
  color: var(--muted);
}
.feature-copy li::before, .app-list li::before, .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(250px, auto);
  gap: 18px;
}
.matrix-card { overflow: hidden; display: flex; flex-direction: column; }
.matrix-card.wide { grid-column: span 2; }
.matrix-card.tall { grid-row: span 2; }
.matrix-img {
  height: 150px;
  background: linear-gradient(135deg, #ECF0FF, #EAF7FF);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}
.matrix-card.wide .matrix-img { height: 170px; }
.matrix-card.tall .matrix-img { height: 250px; }
.matrix-img img { width: 100%; height: 100%; object-fit: contain; }
.matrix-body { padding: 20px; display: flex; flex: 1; flex-direction: column; }
.matrix-body p { flex: 1; }

.app-band {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 36px;
  align-items: center;
  padding: 34px;
  border-radius: 34px;
  background: linear-gradient(135deg, #ECF0FF 0%, #F6F8FF 54%, #EAF7FF 100%);
  border: 1px solid rgba(89,126,247,.14);
  box-shadow: 0 18px 44px rgba(89,126,247,.10);
}
.app-visual {
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.55);
  border-radius: 28px;
  padding: 20px;
}
.app-visual img { max-height: 410px; width: 100%; object-fit: contain; }
.app-copy h2 { color: var(--deep); font-size: clamp(28px,3vw,44px); line-height: 1.18; margin: 10px 0 14px; }
.app-copy p { color: #3F4A66; }
.app-list { grid-template-columns: repeat(2, minmax(0,1fr)); }

.service-note {
  padding: 22px 26px;
  border-radius: 24px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.16);
  margin-bottom: 18px;
}
.security-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.security-card { padding: 22px; }
.security-card b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 14px;
  color: #FFFFFF;
  border-radius: 12px;
  background: var(--brand);
}
.section-dark .security-card { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.14); }
.section-dark .security-card h3, .section-dark .security-card p { color: #FFFFFF; }

.notice-box {
  padding: 30px;
  border-radius: 30px;
  background: linear-gradient(135deg, #FFFFFF 0%, #ECF0FF 100%);
  border: 1px solid rgba(89,126,247,.16);
  box-shadow: 0 18px 42px rgba(89,126,247,.1);
}
.notice-box h2 { margin: 0 0 14px; color: var(--deep); }
.notice-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 22px; }
.notice-grid span {
  padding: 15px;
  border-radius: 18px;
  color: var(--deep);
  background: #FFFFFF;
  border: 1px solid rgba(89,126,247,.14);
  font-weight: 750;
}

.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.faq-item { padding: 24px; }
.faq-item h3 { font-size: 18px; }

.inner-hero {
  padding: 72px 0 52px;
  background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%);
  border-bottom: 1px solid rgba(89,126,247,.13);
}
.inner-hero-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 38px; align-items: center; }
.inner-hero p { color: #3F4A66; font-size: 17px; max-width: 760px; }
.inner-visual {
  border-radius: 30px;
  min-height: 300px;
  background: rgba(255,255,255,.64);
  border: 1px solid rgba(89,126,247,.16);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-shadow: 0 18px 40px rgba(89,126,247,.12);
}
.inner-visual img { max-height: 350px; width: 100%; object-fit: contain; }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; align-items: start; }
.content-block {
  padding: 32px;
  border-radius: 30px;
  background: #FFFFFF;
  border: 1px solid rgba(89,126,247,.13);
  box-shadow: 0 18px 38px rgba(89,126,247,.08);
}
.content-block + .content-block { margin-top: 22px; }
.content-block h2 { font-size: 30px; }
.side-panel { position: sticky; top: 98px; display: grid; gap: 16px; }
.side-card {
  padding: 22px;
  border-radius: 24px;
  background: #ECF0FF;
  border: 1px solid rgba(89,126,247,.16);
}
.side-card h3 { margin: 0 0 8px; color: var(--deep); }
.side-card p { color: var(--muted); margin: 0; }
.topic-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 18px; }
.topic-card {
  padding: 20px;
  border-radius: 22px;
  background: #F6F8FF;
  border: 1px solid rgba(89,126,247,.13);
}
.topic-card h3 { color: var(--deep); margin: 0 0 8px; }
.page-image {
  margin: 18px 0;
  min-height: 260px;
  padding: 20px;
  border-radius: 28px;
  background: linear-gradient(135deg, #ECF0FF, #EAF7FF);
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-image img { max-height: 360px; width: 100%; object-fit: contain; }
.steps { counter-reset: step; display: grid; gap: 14px; margin-top: 18px; }
.step-item {
  counter-increment: step;
  position: relative;
  padding: 18px 18px 18px 62px;
  border-radius: 22px;
  background: #F6F8FF;
  border: 1px solid rgba(89,126,247,.13);
}
.step-item::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 18px;
  color: var(--brand);
  font-weight: 900;
}
.timeline { display: grid; gap: 16px; }
.timeline-item { padding: 24px; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.contact-card { padding: 24px; }

.site-footer { background: var(--footer); color: rgba(255,255,255,.78); padding-top: 58px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, .72fr); gap: 28px; }
.footer-logo { width: 142px; max-height: 48px; object-fit: contain; margin-bottom: 16px; }
.footer-brand p { max-width: 460px; }
.footer-note { color: rgba(255,255,255,.58); font-size: 14px; }
.footer-col { display: grid; gap: 8px; align-content: start; }
.footer-col h3 { color: #FFFFFF; margin: 0 0 10px; }
.footer-col a { color: rgba(255,255,255,.72); }
.footer-col a:hover { color: #FFFFFF; }
.footer-bottom {
  margin-top: 42px;
  padding: 18px 20px;
  background: var(--footer-2);
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  color: rgba(255,255,255,.62);
  font-size: 14px;
}

.drawer-mask, .mobile-drawer { display: none; }

@media (max-width: 1080px) {
  .desktop-nav { gap: 2px; }
  .desktop-nav a { padding: 8px 9px; font-size: 14px; }
  .matrix-grid { grid-template-columns: repeat(3, 1fr); }
  .security-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 920px) {
  .header-inner {
    width: min(100% - 22px, 720px);
    height: 68px;
    grid-template-columns: 64px 1fr auto;
    gap: 8px;
  }
  .mobile-menu-slot { display: flex; align-items: center; justify-content: flex-start; }
  .menu-toggle {
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 14px;
    background: rgba(255,255,255,.74);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    box-shadow: 0 8px 18px rgba(89,126,247,.12);
  }
  .menu-toggle span { width: 20px; height: 2px; background: var(--deep); border-radius: 4px; }
  .brand { justify-content: center; min-width: 0; }
  .brand-logo { width: 128px; max-height: 42px; }
  .desktop-nav { display: none; }
  .header-btn { padding: 9px 13px; font-size: 13px; }
  .drawer-mask {
    position: fixed;
    inset: 0;
    display: block;
    background: rgba(0,0,0,.42);
    opacity: 0;
    visibility: hidden;
    transition: .25s ease;
    z-index: 10000;
  }
  .mobile-drawer {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 10001;
    display: block;
    width: min(84vw, 320px);
    height: 100vh;
    background: linear-gradient(135deg, #FFFFFF 0%, #ECF0FF 100%);
    transform: translateX(-103%);
    transition: transform .28s ease;
    box-shadow: 24px 0 44px rgba(29,43,95,.22);
    overflow-y: auto;
  }
  body.drawer-open { overflow: hidden; }
  body.drawer-open .drawer-mask { opacity: 1; visibility: visible; }
  body.drawer-open .mobile-drawer { transform: translateX(0); }
  .drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 18px; border-bottom: 1px solid rgba(89,126,247,.14); }
  .drawer-logo { width: 132px; max-height: 42px; object-fit: contain; }
  .drawer-close { width: 38px; height: 38px; border: 0; border-radius: 50%; background: #FFFFFF; color: var(--deep); font-size: 26px; line-height: 1; }
  .drawer-nav { display: grid; gap: 9px; padding: 16px; }
  .drawer-nav a { padding: 12px 14px; border-radius: 16px; color: var(--deep); font-weight: 800; background: rgba(255,255,255,.62); border: 1px solid rgba(89,126,247,.10); }
  .drawer-nav a.active { color: var(--brand); background: #FFFFFF; }
  .hero { padding: 48px 0 30px; }
  .hero-grid, .inner-hero-grid, .focus-layout, .duo-grid, .app-band, .content-grid { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .hero-copy .kicker, .hero-tags { margin-left: auto; margin-right: auto; justify-content: center; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-panel { padding: 14px; }
  .hero-visual { min-height: 260px; }
  .hero-info { grid-template-columns: 1fr; }
  .section-head { display: block; }
  .feature-card { grid-template-columns: 1fr; }
  .matrix-grid { grid-template-columns: repeat(2, 1fr); }
  .matrix-card.wide, .matrix-card.tall { grid-column: auto; grid-row: auto; }
  .matrix-card.tall .matrix-img, .matrix-card.wide .matrix-img, .matrix-img { height: 160px; }
  .app-list, .notice-grid, .faq-grid, .topic-grid, .contact-grid { grid-template-columns: 1fr; }
  .side-panel { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .container { width: min(100% - 28px, 520px); }
  .header-inner { width: calc(100% - 16px); grid-template-columns: 48px 1fr auto; }
  .brand-logo { width: 112px; }
  .header-btn { padding: 8px 10px; font-size: 12px; }
  .hero h1 { font-size: 36px; }
  .hero p, .inner-hero p { font-size: 15px; }
  .section { padding: 52px 0; }
  .focus-img { height: 210px; }
  .feature-image, .app-visual { min-height: 240px; }
  .app-band, .content-block, .notice-box { padding: 22px; border-radius: 24px; }
  .matrix-grid, .security-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { gap: 8px; text-align: center; }
}