:root {
  --navy-950: #06111f;
  --navy-900: #0a1a2e;
  --navy-800: #102741;
  --ink: #13243a;
  --muted: #5c6d82;
  --line: #dce6f2;
  --paper: #ffffff;
  --ice: #f3f8fe;
  --blue: #2269f5;
  --blue-dark: #1654d7;
  --cyan: #28c6ee;
  --cyan-soft: #dff8ff;
  --shadow: 0 24px 70px rgba(9, 31, 58, 0.14);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Noto Sans JP", "Yu Gothic", YuGothic, "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(220, 230, 242, 0.8);
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(16px);
}
.header-inner { min-height: 72px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand-logo { display: block; width: 178px; height: auto; }
.nav { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.nav a { color: #40536c; font-size: 14px; font-weight: 750; }
.nav a:hover { color: var(--blue); }
.header-cta, .button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  color: #fff;
  background: var(--navy-950);
  font-weight: 800;
}
.breadcrumb { padding: 16px 0; color: #708198; font-size: 13px; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: #a8b4c2; }
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid #dceaf7;
  background:
    radial-gradient(circle at 85% 10%, rgba(40,198,238,.19), transparent 30%),
    linear-gradient(135deg, #fff 0%, #f3f8ff 58%, #eaf8fd 100%);
}
.hero-grid { min-height: 560px; display: grid; grid-template-columns: 1.02fr .98fr; gap: 54px; align-items: center; padding: 62px 0 74px; }
.eyebrow, .section-kicker { margin: 0 0 14px; color: #1176d5; font-size: 13px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
h1 { margin: 0; color: var(--navy-950); font-size: clamp(2.55rem, 5vw, 4.25rem); line-height: 1.14; letter-spacing: -.045em; }
.hero-lead { max-width: 680px; margin: 24px 0 0; color: #445973; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button-primary { min-height: 54px; padding: 0 28px; background: var(--blue); box-shadow: 0 12px 28px rgba(34,105,245,.24); }
.button-primary:hover { background: var(--blue-dark); }
.button-secondary { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 24px; border: 1px solid #c9d9ea; border-radius: 999px; background: #fff; font-weight: 800; }
.hero-visual { padding: 18px; border: 1px solid rgba(255,255,255,.9); border-radius: 26px; background: rgba(255,255,255,.75); box-shadow: var(--shadow); }
.hero-visual img { display: block; width: 100%; border-radius: 16px; }
.hero-note { margin: 10px 4px 0; color: #718198; font-size: 12px; }
.club-floor-layout { display: grid; grid-template-columns: minmax(0,1.55fr) minmax(280px,.8fr); gap: 22px; align-items: start; }
.club-floor-image { margin: 0; padding: 12px; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: var(--shadow); }
.club-floor-image img { display: block; width: 100%; border-radius: 12px; }
.club-floor-image figcaption { padding: 12px 5px 3px; color: var(--muted); font-size: 13px; }
.club-floor-points { display: grid; gap: 12px; }
.club-floor-points article { padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--ice); }
.club-floor-points span { color: var(--blue-dark); font-size: 13px; font-weight: 850; }
.club-floor-points h3 { margin: 7px 0 5px; font-size: 19px; line-height: 1.45; }
.club-floor-points p { margin: 0; color: var(--muted); font-size: 15px; }
.trust-strip { background: var(--navy-950); color: #dcecff; }
.trust-list { display: grid; grid-template-columns: repeat(4,1fr); margin: 0; padding: 20px 0; list-style: none; }
.trust-list li { padding: 0 18px; border-right: 1px solid rgba(255,255,255,.14); text-align: center; font-size: 14px; font-weight: 750; }
.trust-list li:last-child { border-right: 0; }
.section { padding: 92px 0; }
.section.alt { background: var(--ice); }
.section-head { max-width: 780px; margin-bottom: 38px; }
h2 { margin: 0; color: var(--navy-950); font-size: clamp(2rem,4vw,3.15rem); line-height: 1.22; letter-spacing: -.035em; }
.section-lead { margin: 18px 0 0; color: var(--muted); font-size: 17px; }
.card-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.card { padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 10px 28px rgba(9,31,58,.06); }
.card-no { display: inline-flex; align-items: center; min-height: 28px; padding: 0 11px; border-radius: 999px; color: #126cbf; background: var(--cyan-soft); font-size: 12px; font-weight: 850; }
.card h3 { margin: 16px 0 8px; color: var(--navy-950); font-size: 20px; line-height: 1.45; }
.card p { margin: 0; color: var(--muted); }
.flow { display: grid; grid-template-columns: repeat(5,1fr); gap: 12px; counter-reset: step; }
.flow-step { position: relative; padding: 24px 18px; border: 1px solid #cfdeef; border-radius: 16px; background: #fff; }
.flow-step::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 18px; color: var(--blue); font-size: 13px; font-weight: 900; letter-spacing: .12em; }
.flow-step h3 { margin: 0 0 8px; color: var(--navy-950); font-size: 17px; }
.flow-step p { margin: 0; color: var(--muted); font-size: 14px; }
.feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.feature-item { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 24px; border: 1px solid var(--line); border-radius: 17px; background: #fff; }
.feature-icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 13px; color: #fff; background: linear-gradient(145deg,var(--blue),var(--cyan)); font-weight: 900; }
.feature-item h3 { margin: 0 0 5px; color: var(--navy-950); font-size: 18px; }
.feature-item p { margin: 0; color: var(--muted); font-size: 15px; }
.result-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; padding: 36px; border-radius: 24px; color: #fff; background: linear-gradient(135deg,var(--navy-950),#10365e); box-shadow: var(--shadow); }
.result-panel h2 { color: #fff; }
.result-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.result-list li { position: relative; padding: 13px 16px 13px 44px; border: 1px solid rgba(255,255,255,.14); border-radius: 13px; background: rgba(255,255,255,.07); }
.result-list li::before { content: "✓"; position: absolute; left: 16px; color: #62ddfb; font-weight: 900; }
.related-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.related-link { padding: 21px; border: 1px solid var(--line); border-radius: 15px; background: #fff; font-weight: 800; }
.related-link small { display: block; margin-top: 4px; color: var(--muted); font-weight: 500; }
.related-link:hover { border-color: #8ab7f9; box-shadow: 0 10px 26px rgba(34,105,245,.1); }
.faq-list { display: grid; gap: 10px; }
.faq-list details { padding: 0 22px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.faq-list summary { padding: 19px 0; cursor: pointer; color: var(--navy-950); font-weight: 800; }
.faq-answer { padding: 0 0 20px; color: var(--muted); }
.cta { padding: 78px 0; color: #fff; background: linear-gradient(135deg,#071525,#123c66); }
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 32px; }
.cta h2 { color: #fff; }
.cta p { margin: 12px 0 0; color: #d6e9f9; }
.site-footer { color: #9fb2c6; background: #040c16; }
.footer-inner { display: grid; grid-template-columns: 180px 1fr; gap: 28px; padding: 42px 0; }
.footer-brand { color: #fff; font-size: 18px; font-weight: 850; letter-spacing: .14em; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 18px; font-size: 13px; }
.footer-links a:hover { color: #fff; }
.footer-copy { grid-column: 1 / -1; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.1); font-size: 12px; }
.mobile-contact { display: none; }
@media (max-width: 900px) {
.club-floor-layout { grid-template-columns: 1fr; }
  .nav { display: none; }
  .hero-grid, .result-panel { grid-template-columns: 1fr; }
  .hero-grid { min-height: auto; padding: 48px 0 64px; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  body { padding-bottom: 58px; }
  .container { width: min(calc(100% - 28px), var(--max)); }
  .header-inner { min-height: 64px; }
  .brand-logo { width: 150px; }
  .header-cta { display: none; }
  h1 { font-size: 2.35rem; }
  .hero-lead { font-size: 16px; }
  .hero-actions { display: grid; }
  .trust-list { grid-template-columns: 1fr 1fr; gap: 0; }
  .trust-list li { padding: 10px 8px; border-right: 0; font-size: 12px; }
  .section { padding: 68px 0; }
  .card-grid, .feature-list, .flow, .related-grid { grid-template-columns: 1fr; }
  .result-panel { padding: 26px 20px; }
  .cta-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-copy { grid-column: 1; }
  .mobile-contact { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; display: grid; grid-template-columns: 1fr 1fr; min-height: 58px; box-shadow: 0 -8px 24px rgba(6,17,31,.18); }
  .mobile-contact a { display: grid; place-items: center; color: #fff; font-size: 14px; font-weight: 850; }
  .mobile-tel { background: var(--navy-900); }
  .mobile-mail { background: var(--blue); }
}