:root {
  --brand: rgb(255, 80, 0);
  --brand-dark: #E85A00;
  --light-orange: #FFF3EC;
  --page-bg: #F6F6F6;
  --card: #FFFFFF;
  --text: #222222;
  --muted: #555555;
  --soft: #777777;
  --dark: #111111;
  --footer: #1F1F1F;
  --footer-text: #D8D8D8;
  --radius: 18px;
  --shadow: 0 14px 34px rgba(17,17,17,.08);
}

* { 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(--page-bg);
  line-height: 1.72;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-main { background: var(--page-bg); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
}
.mobile-header {
  min-height: 64px;
  display: grid;
  grid-template-columns: 76px 1fr 102px;
  align-items: center;
  padding: 10px 12px;
  gap: 6px;
}
.menu-toggle {
  width: 44px;
  height: 42px;
  border: 0;
  border-radius: 14px;
  background: #111;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}
.menu-toggle span { width: 21px; height: 2px; background: #fff; border-radius: 2px; }
.mobile-logo { justify-self: center; }
.mobile-logo img { max-height: 40px; width: auto; object-fit: contain; }
.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  letter-spacing: .02em;
  box-shadow: 0 10px 22px rgba(255,80,0,.24);
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.main-btn:hover { background: var(--brand-dark); transform: translateY(-1px); box-shadow: 0 14px 28px rgba(255,80,0,.3); }
.header-btn { min-height: 38px; padding: 8px 18px; font-size: 15px; }
.mobile-reg { font-size: 13px; padding: 8px 12px; justify-self: end; min-height: 36px; }
.desktop-header { display: none; }

.mobile-drawer {
  position: fixed;
  inset: 0 auto 0 0;
  width: 84vw;
  max-width: 320px;
  background: #fff;
  z-index: 1200;
  transform: translateX(-100%);
  transition: transform .28s ease;
  box-shadow: 16px 0 40px rgba(0,0,0,.2);
  padding: 18px;
  overflow-y: auto;
}
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 1100;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.drawer-open { overflow: hidden; }
.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-open .drawer-overlay { opacity: 1; pointer-events: auto; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid #eee; }
.drawer-logo img { max-height: 42px; width: auto; }
.drawer-close { border: 0; background: var(--light-orange); color: var(--brand); font-size: 30px; line-height: 1; width: 42px; height: 42px; border-radius: 50%; cursor: pointer; }
.drawer-nav { display: grid; gap: 10px; padding-top: 18px; }
.drawer-link { padding: 12px 14px; border-radius: 14px; color: #222; font-weight: 700; background: #fafafa; }
.drawer-link.active, .drawer-link:hover { color: var(--brand); background: var(--light-orange); }

.hero-section {
  background:
    linear-gradient(90deg, rgba(0,0,0,.78), rgba(0,0,0,.58)),
    url('banner.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 34px 0 44px;
  color: #fff;
  position: relative;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-image { order: 1; position: relative; z-index: 2; }
.hero-image img {
  width: 100%;
  max-height: 320px;
  object-fit: contain;
  margin: 0 auto;
  filter: drop-shadow(0 18px 28px rgba(0,0,0,.38));
}
.hero-content {
  order: 2;
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 4px 6px 0;
}
.hero-kicker, .section-kicker, .tag {
  display: inline-flex;
  align-items: center;
  color: var(--brand);
  background: rgba(255,80,0,.12);
  border: 1px solid rgba(255,80,0,.22);
  border-radius: 999px;
  padding: 4px 12px;
  font-weight: 700;
  font-size: 14px;
}
.hero-title {
  color: var(--brand);
  font-size: clamp(32px, 8vw, 58px);
  line-height: 1.08;
  margin: 14px 0 16px;
  letter-spacing: -.02em;
}
.hero-desc {
  color: #ffffff;
  max-width: 650px;
  margin: 0 auto 24px;
  font-size: 16px;
}
.hero-meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 18px; }
.hero-meta span { color: #f3f3f3; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; padding: 5px 10px; font-size: 13px; background: rgba(255,255,255,.08); }

.section { padding: 52px 0; }
.section.alt { background: #fff; }
.section.orange-soft { background: var(--light-orange); }
.section.dark { background: #111; color: #fff; }
.section-head { max-width: 820px; margin-bottom: 26px; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-title { margin: 10px 0 8px; font-size: clamp(26px, 4vw, 38px); line-height: 1.2; color: #191919; }
.section.dark .section-title { color: #fff; }
.section-desc { color: var(--muted); margin: 0; }
.section.dark .section-desc { color: #ddd; }

.quick-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.quick-card {
  background: #fff;
  border-radius: 16px;
  padding: 16px;
  border: 1px solid rgba(255,80,0,.12);
  box-shadow: var(--shadow);
  min-height: 112px;
}
.quick-card strong { display: block; color: #1f1f1f; margin-bottom: 6px; font-size: 16px; }
.quick-card p { color: var(--muted); margin: 0 0 8px; font-size: 14px; line-height: 1.58; }
.text-link { color: var(--brand); font-weight: 700; text-decoration: none; border-bottom: 1px solid rgba(255,80,0,.35); }
.text-link:hover { color: var(--brand-dark); border-bottom-color: var(--brand-dark); }

.grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.grid.two, .grid.three { grid-template-columns: 1fr; }
.card, .feature-card, .content-card, .service-card, .faq-item {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,.04);
}
.feature-card, .content-card { overflow: hidden; }
.card-body, .feature-body, .content-body { padding: 20px; }
.feature-image, .content-image, .page-visual, .image-panel {
  background: linear-gradient(135deg, #fff, #fff7f2);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  min-height: 132px;
}
.feature-image img, .content-image img, .page-visual img, .image-panel img {
  width: 100%;
  max-height: 180px;
  object-fit: contain;
  object-position: center;
}
.feature-card h3, .content-card h3, .service-card h3, .faq-item h3, .info-box h3 { margin: 0 0 8px; color: #161616; font-size: 20px; line-height: 1.35; }
.feature-card p, .content-card p, .service-card p, .faq-item p, .info-box p, .card p { color: var(--muted); margin: 0 0 12px; }

.app-section { display: grid; grid-template-columns: 1fr; gap: 22px; align-items: center; }
.app-visual { background: #fff; border-radius: 22px; padding: 18px; box-shadow: var(--shadow); }
.app-visual img { max-height: 420px; width: 100%; object-fit: contain; margin: 0 auto; }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0; }
.tag-row span { display: inline-flex; background: #fff; color: var(--brand); border: 1px solid rgba(255,80,0,.18); border-radius: 999px; padding: 6px 12px; font-size: 14px; font-weight: 700; }
.service-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.service-card { padding: 20px; }
.service-card .service-num { color: var(--brand); font-weight: 800; font-size: 18px; display: inline-block; margin-bottom: 8px; }
.notice-panel {
  background: #111;
  color: #fff;
  border-radius: 22px;
  padding: 24px;
  display: grid;
  gap: 14px;
  box-shadow: 0 18px 40px rgba(0,0,0,.18);
}
.notice-panel h2, .notice-panel h3 { color: var(--brand); margin: 0; }
.notice-panel p, .notice-panel li { color: #e8e8e8; }
ul.clean-list, ol.clean-list { padding-left: 20px; margin: 12px 0 0; color: var(--muted); }
ul.clean-list li, ol.clean-list li { margin: 8px 0; }
.faq-list { display: grid; gap: 16px; }
.faq-item { padding: 20px; }

.page-hero {
  background: linear-gradient(135deg, #111 0%, #222 58%, #3a1b0e 100%);
  color: #fff;
  padding: 46px 0;
}
.page-hero-inner { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: center; }
.page-hero h1 { color: var(--brand); margin: 12px 0 14px; font-size: clamp(30px, 6vw, 48px); line-height: 1.16; }
.page-hero p { color: #efefef; margin: 0 0 12px; }
.page-hero .page-visual { border-radius: 22px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); box-shadow: none; }
.page-hero .page-visual img { max-height: 300px; }
.breadcrumb { color: rgba(255,255,255,.72); font-size: 14px; }
.breadcrumb a { color: #fff; }
.page-content { padding: 52px 0; }
.article-card { background: #fff; border-radius: 22px; padding: 22px; box-shadow: var(--shadow); margin-bottom: 22px; }
.article-card h2 { color: #151515; margin: 0 0 12px; font-size: 26px; }
.article-card p { color: var(--muted); margin: 0 0 14px; }
.info-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.info-box { background: #fff; border-radius: 18px; padding: 20px; border: 1px solid rgba(255,80,0,.1); box-shadow: var(--shadow); }
.steps { counter-reset: step; display: grid; gap: 14px; }
.step-item { background: #fff; border-radius: 18px; padding: 18px; box-shadow: var(--shadow); display: grid; grid-template-columns: auto 1fr; gap: 12px; }
.step-item::before { counter-increment: step; content: counter(step); width: 34px; height: 34px; border-radius: 50%; background: var(--brand); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; }
.link-cluster { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
.link-chip { color: var(--brand); background: #fff; border: 1px solid rgba(255,80,0,.18); border-radius: 999px; padding: 7px 12px; font-weight: 700; }

.site-footer { background: var(--footer); color: var(--footer-text); padding-top: 44px; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.footer-logo { max-height: 46px; width: auto; margin-bottom: 14px; }
.footer-brand p, .footer-notice p { margin: 0; color: #cfcfcf; }
.footer-col h3 { margin: 0 0 12px; color: #fff; font-size: 18px; }
.footer-col a { display: block; color: #d8d8d8; margin: 8px 0; }
.footer-col a:hover { color: var(--brand); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); text-align: center; padding: 18px 16px; margin-top: 34px; color: #bdbdbd; font-size: 14px; }
.footer-bottom p { margin: 0; }

@media (min-width: 640px) {
  .quick-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-grid, .info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 769px) {
  .mobile-header { display: none; }
  .desktop-header {
    min-height: 76px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 24px;
  }
  .site-logo img { max-height: 48px; width: auto; object-fit: contain; }
  .desktop-nav { display: flex; justify-content: center; align-items: center; gap: 2px; flex-wrap: wrap; }
  .nav-link { padding: 10px 12px; color: #222; font-size: 15px; font-weight: 700; border-radius: 999px; position: relative; }
  .nav-link.active, .nav-link:hover { color: var(--brand); background: var(--light-orange); }
  .hero-section { padding: 44px 0 56px; }
  .hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
  }
  .hero-image img { max-height: 520px; }
  .hero-content { text-align: left; padding: 16px 0; }
  .hero-desc { margin-left: 0; margin-right: 0; font-size: 17px; }
  .hero-meta { justify-content: flex-start; }
  .quick-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .app-section { grid-template-columns: .9fr 1.1fr; gap: 34px; }
  .service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-hero-inner { grid-template-columns: 1.05fr .95fr; }
  .page-hero .page-visual img { max-height: 340px; }
  .info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1.6fr .8fr .8fr 1fr; }
}

@media (min-width: 1024px) {
  .feature-image img, .content-image img { max-height: 190px; }
  .section { padding: 64px 0; }
}

@media (max-width: 390px) {
  .mobile-header { grid-template-columns: 58px 1fr 92px; padding-left: 8px; padding-right: 8px; }
  .mobile-reg { font-size: 12px; padding: 7px 10px; }
  .mobile-logo img { max-height: 36px; }
  .menu-toggle { width: 40px; height: 38px; }
}