:root {
  --brand: rgb(255, 80, 0);
  --brand-dark: #E85A00;
  --soft-orange: #FFF3EC;
  --page-gray: #F6F6F6;
  --text: #222222;
  --muted: #555555;
  --light-muted: #777777;
  --footer: #1F1F1F;
  --footer-soft: #2B2B2B;
  --white: #FFFFFF;
  --line: rgba(0,0,0,.08);
  --shadow: 0 12px 34px rgba(0,0,0,.08);
}

* { 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: #fff;
  line-height: 1.75;
  overflow-x: hidden;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
p { margin: 0 0 14px; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 8px 22px rgba(0,0,0,.06);
  backdrop-filter: blur(10px);
}
.mobile-topbar {
  height: 58px;
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
}
.menu-toggle {
  border: 0;
  background: transparent;
  width: 42px;
  height: 42px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.menu-toggle span {
  width: 23px;
  height: 2px;
  background: #222;
  border-radius: 2px;
}
.mobile-logo { justify-self: center; display: inline-flex; align-items: center; justify-content: center; min-width: 0; }
.mobile-logo img { max-height: 36px; width: auto; object-fit: contain; }
.site-logo img, .drawer-logo img { max-height: 44px; width: auto; object-fit: contain; }
.header-btn {
  white-space: nowrap;
  min-width: auto;
}
.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand);
  color: #fff;
  border-radius: 999px;
  padding: 11px 22px;
  font-weight: 700;
  line-height: 1.2;
  box-shadow: 0 10px 22px rgba(255,80,0,.24);
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.main-btn:hover { background: var(--brand-dark); transform: translateY(-1px); box-shadow: 0 14px 28px rgba(255,80,0,.28); }
.mobile-topbar .main-btn { padding: 8px 13px; font-size: 14px; box-shadow: none; }
.desktop-header { display: none; }

.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 84vw;
  max-width: 320px;
  height: 100vh;
  background: #fff;
  z-index: 80;
  transform: translateX(-102%);
  transition: transform .28s ease;
  box-shadow: 20px 0 40px rgba(0,0,0,.16);
  padding: 18px 18px 28px;
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(0,0,0,.55);
  opacity: 0;
  transition: opacity .25s ease;
}
.drawer-overlay.show { opacity: 1; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.drawer-close { border: 0; background: var(--soft-orange); color: var(--brand); font-size: 28px; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; line-height: 1; }
.drawer-nav { display: grid; gap: 8px; padding-top: 18px; }
.drawer-nav a { padding: 12px 12px; border-radius: 12px; color: #333; font-weight: 650; }
.drawer-nav a.active, .drawer-nav a:hover { background: var(--soft-orange); color: var(--brand); }

.section { padding: 54px 0; background: #fff; }
.section.alt { background: var(--page-gray); }
.section.soft { background: var(--soft-orange); }
.section-head { max-width: 760px; margin: 0 auto 26px; text-align: center; }
.eyebrow { display: inline-flex; color: var(--brand); background: var(--soft-orange); padding: 4px 12px; border-radius: 999px; font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.section-title { font-size: clamp(25px, 3.3vw, 38px); line-height: 1.25; margin: 0 0 10px; color: #1f1f1f; letter-spacing: -.02em; }
.section-desc { color: var(--muted); font-size: 16px; margin: 0; }
.text-link { color: var(--brand); font-weight: 700; display: inline-flex; align-items: center; gap: 4px; margin-top: 8px; }
.text-link:hover { color: var(--brand-dark); text-decoration: underline; }

.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;
  color: #fff;
  padding: 36px 0 42px;
  position: relative;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  width: min(1120px, calc(100% - 32px));
}
.hero-image { position: relative; z-index: 2; display: flex; align-items: center; justify-content: center; }
.hero-image img { width: 100%; max-height: 320px; object-fit: contain; filter: drop-shadow(0 20px 30px rgba(0,0,0,.36)); }
.hero-content { position: relative; z-index: 2; text-align: center; }
.hero-kicker { color: #fff; font-weight: 700; letter-spacing: .08em; font-size: 13px; margin-bottom: 8px; }
.hero-title { color: rgb(255, 80, 0); font-size: clamp(34px, 6vw, 58px); line-height: 1.08; margin: 0 0 16px; letter-spacing: -.03em; }
.hero-desc { color: #ffffff; font-size: 16px; max-width: 620px; margin: 0 auto 22px; }
.hero-note { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 18px; }
.hero-note span { background: rgba(255,255,255,.12); color: #f4f4f4; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; padding: 4px 10px; font-size: 13px; }

.quick-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.quick-card {
  background: #fff;
  border: 1px solid rgba(255,80,0,.12);
  border-radius: 16px;
  padding: 16px;
  min-height: 118px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.quick-card strong { color: #222; font-size: 17px; }
.quick-card p { color: var(--muted); font-size: 14px; margin: 5px 0 0; }
.quick-card .text-link { margin-top: 8px; font-size: 14px; }

.card-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.card-grid.two { grid-template-columns: 1fr; }
.feature-card,
.content-card,
.service-card,
.faq-item,
.notice-box,
.page-panel,
.step-card {
  background: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,.05);
}
.feature-card { overflow: hidden; }
.card-media {
  min-height: 128px;
  background: linear-gradient(180deg, #fff7f2, #f7f7f7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}
.card-media img { width: 100%; max-height: 176px; object-fit: contain; }
.feature-card .card-body { padding: 20px; }
.feature-card h3,
.content-card h3,
.service-card h3,
.step-card h3 { margin: 0 0 8px; font-size: 21px; color: #222; }
.feature-card p,
.content-card p,
.service-card p,
.step-card p { color: var(--muted); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 12px; }
.tag { color: var(--brand); background: var(--soft-orange); border-radius: 999px; padding: 4px 10px; font-size: 13px; font-weight: 700; }
.content-card { padding: 22px; }
.content-card.highlight { background: linear-gradient(135deg, #fff, #fff3ec); }

.app-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: center;
  background: #fff;
  border-radius: 22px;
  padding: 22px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,80,0,.1);
}
.app-visual { background: var(--soft-orange); border-radius: 18px; padding: 14px; display: flex; align-items: center; justify-content: center; }
.app-visual img { max-height: 330px; width: 100%; object-fit: contain; }
.app-copy h2 { font-size: clamp(25px, 3vw, 36px); line-height: 1.25; margin: 0 0 12px; }
.app-copy p { color: var(--muted); }
.mini-list { display: grid; gap: 9px; margin: 16px 0; }
.mini-list span { display: block; background: #fff7f2; border-left: 3px solid var(--brand); padding: 9px 12px; border-radius: 10px; color: #444; }

.service-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.service-card { padding: 22px; }
.service-card h3 { display: flex; align-items: center; gap: 8px; }
.service-card h3::before { content: ''; width: 10px; height: 10px; border-radius: 50%; background: var(--brand); flex: 0 0 auto; }

.notice-box { padding: 24px; background: #222; color: #f4f4f4; box-shadow: none; }
.notice-box h2, .notice-box h3 { color: var(--brand); margin: 0 0 10px; }
.notice-box p { color: #e7e7e7; }
.notice-box a { color: #fff; }

.faq-list { display: grid; gap: 16px; }
.faq-item { padding: 20px; }
.faq-item h3 { margin: 0 0 8px; font-size: 19px; color: #222; }
.faq-item p { color: var(--muted); margin-bottom: 0; }

.page-hero {
  background: linear-gradient(135deg, #111111, #2B2B2B 58%, #3a1d0f);
  color: #fff;
  padding: 54px 0;
}
.page-hero .container { display: grid; gap: 16px; }
.page-hero h1 { color: var(--brand); font-size: clamp(32px, 5vw, 52px); line-height: 1.15; margin: 0; }
.page-hero p { color: #f0f0f0; max-width: 820px; font-size: 17px; margin: 0; }
.breadcrumb { color: #d8d8d8; font-size: 14px; }
.breadcrumb a { color: #fff; }
.page-layout { display: grid; grid-template-columns: 1fr; gap: 24px; }
.page-panel { padding: 24px; }
.page-panel h2 { margin: 0 0 12px; font-size: 26px; color: #222; }
.page-panel h3 { margin: 18px 0 8px; font-size: 21px; color: #222; }
.page-panel p, .page-panel li { color: var(--muted); }
.page-panel ul, .page-panel ol { padding-left: 20px; margin: 10px 0 0; }
.side-box { background: var(--soft-orange); border: 1px solid rgba(255,80,0,.14); border-radius: 18px; padding: 20px; }
.side-box h3 { margin: 0 0 10px; color: #222; }
.side-box a { display: block; padding: 8px 0; color: var(--brand); font-weight: 700; border-bottom: 1px solid rgba(255,80,0,.12); }
.side-box a:last-child { border-bottom: 0; }
.image-panel { background: #fff; border-radius: 20px; box-shadow: var(--shadow); padding: 18px; }
.image-panel img { width: 100%; max-height: 360px; object-fit: contain; margin: 0 auto; }
.step-grid { display: grid; grid-template-columns: 1fr; gap: 18px; counter-reset: steps; }
.step-card { padding: 20px; position: relative; }
.step-card::before { counter-increment: steps; content: counter(steps); display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 800; margin-bottom: 8px; }

.site-footer { background: var(--footer); color: #d8d8d8; padding-top: 46px; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 26px; }
.footer-logo { max-height: 42px; width: auto; margin-bottom: 12px; }
.footer-brand p { color: #d8d8d8; max-width: 420px; }
.footer-col h3 { color: #fff; margin: 0 0 12px; font-size: 18px; }
.footer-col a { display: block; color: #d8d8d8; padding: 5px 0; }
.footer-col a:hover { color: var(--brand); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 30px; padding: 18px 0; color: #cfcfcf; font-size: 14px; }
.footer-bottom p { margin: 0; }

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

@media (min-width: 900px) {
  .mobile-topbar { display: none; }
  .desktop-header { display: flex; height: 74px; align-items: center; justify-content: space-between; gap: 22px; }
  .desktop-nav { display: flex; align-items: center; justify-content: center; gap: 2px; flex: 1; }
  .desktop-nav a { padding: 9px 10px; border-radius: 999px; color: #333; font-size: 15px; font-weight: 650; white-space: nowrap; }
  .desktop-nav a.active, .desktop-nav a:hover { color: var(--brand); background: var(--soft-orange); }
  .hero-section { padding: 44px 0 56px; }
  .hero-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
  .hero-image img { max-height: 520px; }
  .hero-content { text-align: left; }
  .hero-desc { margin-left: 0; margin-right: 0; font-size: 17px; }
  .hero-note { justify-content: flex-start; }
  .quick-grid { grid-template-columns: repeat(5, 1fr); }
  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .card-grid.two { grid-template-columns: repeat(2, 1fr); }
  .app-band { grid-template-columns: .9fr 1.1fr; padding: 30px; }
  .service-grid { grid-template-columns: repeat(3, 1fr); }
  .page-layout { grid-template-columns: minmax(0, 1fr) 300px; align-items: start; }
  .footer-grid { grid-template-columns: 1.5fr .8fr .8fr .8fr; }
}

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 20px;
  }
  .hero-image { order: 1; }
  .hero-content { order: 2; }
  .hero-image img { max-height: 320px; }
  .section { padding: 46px 0; }
  .card-media img { max-height: 154px; }
  .page-hero { padding: 42px 0; }
}