:root {
  --ink: #111820;
  --muted: #66717c;
  --soft: #f3f5f6;
  --line: #dce2e6;
  --white: #fff;
  --accent: #f36a21;
  --accent-dark: #cf4f0f;
  --navy: #122638;
  --green: #245c4a;
  --max: 1180px;
  --shadow: 0 16px 45px rgba(12, 25, 38, .10);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 9999;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
}
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(220,226,230,.8);
}
.nav-wrap {
  max-width: var(--max);
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 24px;
}
.logo { width: 235px; flex: 0 0 auto; }
.logo img { width: 100%; height: auto; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a {
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--accent); }
.nav-links .nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 11px 18px;
  border-radius: 999px;
}
.nav-links .nav-cta:hover { color: #fff; background: var(--accent-dark); }
.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}

main { overflow: hidden; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section { padding: 92px 0; }
.section-sm { padding: 64px 0; }
.section-soft { background: var(--soft); }
.section-navy { background: var(--navy); color: #fff; }
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 14px;
}
.section-kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  background: currentColor;
}
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(38px, 6vw, 72px); line-height: 1.16; letter-spacing: -.04em; margin-bottom: 22px; }
h2 { font-size: clamp(30px, 4vw, 48px); line-height: 1.24; letter-spacing: -.03em; margin-bottom: 18px; }
h3 { font-size: 23px; line-height: 1.35; margin-bottom: 10px; }
.lead { font-size: clamp(17px, 2vw, 21px); line-height: 1.9; color: var(--muted); }
.section-navy .lead, .section-navy .muted { color: rgba(255,255,255,.74); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.max-copy { max-width: 820px; }

.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: center;
  background:
    radial-gradient(circle at 82% 20%, rgba(243,106,33,.17), transparent 28%),
    linear-gradient(135deg, #fff 0%, #f7f8f9 55%, #eef2f4 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(18,38,56,.12) 1.2px, transparent 1.2px);
  background-size: 26px 26px;
  mask-image: linear-gradient(90deg, transparent 0 44%, #000 75%);
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 70px;
  align-items: center;
  padding-top: 65px;
  padding-bottom: 65px;
}
.hero-copy p { max-width: 700px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 52px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
}
.button-primary { background: var(--accent); color: #fff; }
.button-primary:hover { background: var(--accent-dark); }
.button-secondary { background: #fff; border-color: var(--line); }
.button-secondary:hover { border-color: var(--accent); color: var(--accent); }
.button-dark { background: var(--ink); color: #fff; }
.button-dark:hover { background: #000; }

.hero-visual {
  position: relative;
  min-height: 470px;
}
.visual-orbit {
  position: absolute;
  inset: 8% 2% 2% 10%;
  border: 1px solid rgba(18,38,56,.16);
  border-radius: 50%;
  transform: rotate(-12deg);
}
.visual-orbit::before,
.visual-orbit::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(18,38,56,.13);
}
.visual-orbit::before { inset: 11%; }
.visual-orbit::after { inset: 23%; }
.golf-ball {
  position: absolute;
  right: 12%;
  top: 13%;
  width: 210px;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 28%, rgba(255,255,255,.95) 0 3px, transparent 4px),
    radial-gradient(circle at 62% 30%, rgba(0,0,0,.08) 0 3px, transparent 4px),
    radial-gradient(circle at 44% 54%, rgba(0,0,0,.06) 0 3px, transparent 4px),
    radial-gradient(circle at 68% 64%, rgba(0,0,0,.08) 0 3px, transparent 4px),
    linear-gradient(145deg, #fff, #dfe5e9);
  box-shadow: 0 35px 55px rgba(18,38,56,.18);
}
.data-card {
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(360px, 88%);
  background: rgba(18,38,56,.96);
  color: #fff;
  border-radius: 24px;
  padding: 26px;
  box-shadow: var(--shadow);
}
.data-row { display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: end; margin-top: 16px; }
.data-number { font-size: 52px; font-weight: 900; line-height: 1; letter-spacing: -.04em; }
.data-unit { color: rgba(255,255,255,.68); font-size: 12px; font-weight: 700; }
.mini-bars { height: 80px; display: flex; align-items: end; gap: 7px; }
.mini-bars span { display: block; width: 12px; background: var(--accent); border-radius: 99px; opacity: .95; }
.mini-bars span:nth-child(1){height:30%}.mini-bars span:nth-child(2){height:46%}.mini-bars span:nth-child(3){height:58%}.mini-bars span:nth-child(4){height:72%}.mini-bars span:nth-child(5){height:86%}.mini-bars span:nth-child(6){height:100%}

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: 0 8px 28px rgba(18,38,56,.04);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); transition: .22s ease; }
.card-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: rgba(243,106,33,.12);
  color: var(--accent);
  font-size: 24px;
  font-weight: 900;
  margin-bottom: 22px;
}
.card-link { display: inline-flex; gap: 8px; align-items: center; color: var(--accent); font-weight: 800; text-decoration: none; margin-top: 12px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.feature-list { display: grid; gap: 16px; margin-top: 28px; }
.feature-item { display: grid; grid-template-columns: 34px 1fr; gap: 14px; }
.feature-mark {
  width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(243,106,33,.12); color: var(--accent); font-weight: 900;
}

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 36px; }
.metric { padding: 24px; border: 1px solid rgba(255,255,255,.18); border-radius: 18px; }
.metric strong { display: block; font-size: 27px; color: #fff; }
.metric span { font-size: 13px; color: rgba(255,255,255,.68); }

.price-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 34px;
  box-shadow: var(--shadow);
}
.price-label { font-weight: 800; color: var(--accent); }
.price { font-size: clamp(42px, 7vw, 68px); line-height: 1; letter-spacing: -.05em; font-weight: 900; margin: 10px 0 12px; }
.price small { font-size: 18px; letter-spacing: 0; }
.price-note { color: var(--muted); font-size: 14px; }
.price-breakdown { border-top: 1px solid var(--line); margin-top: 22px; padding-top: 18px; display: grid; gap: 8px; }
.price-line { display: flex; justify-content: space-between; gap: 16px; }

.page-hero {
  background: linear-gradient(135deg, #122638 0%, #0f1d29 72%);
  color: #fff;
  padding: 110px 0 82px;
  position: relative;
}
.page-hero::after {
  content: "";
  position: absolute;
  width: 420px; height: 420px; right: -110px; top: -170px; border-radius: 50%;
  border: 74px solid rgba(243,106,33,.14);
}
.page-hero .lead { color: rgba(255,255,255,.75); max-width: 820px; }
.breadcrumbs { font-size: 13px; color: rgba(255,255,255,.62); margin-bottom: 26px; }
.breadcrumbs a { color: inherit; text-decoration: none; }

.equipment-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 30px; }
.equipment-card { border: 1px solid var(--line); border-radius: 18px; padding: 22px; background: #fff; }
.equipment-card strong { display: block; margin-bottom: 6px; }
.equipment-card span { color: var(--muted); font-size: 14px; }
.tag-list { display: flex; gap: 10px; flex-wrap: wrap; }
.tag { display: inline-flex; padding: 8px 13px; background: var(--soft); border-radius: 999px; font-size: 13px; font-weight: 700; }

.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; counter-reset: flow; }
.flow-item { position: relative; border: 1px solid var(--line); border-radius: 18px; padding: 28px 22px 22px; }
.flow-item::before {
  counter-increment: flow;
  content: counter(flow, decimal-leading-zero);
  display: block;
  color: var(--accent);
  font-size: 14px;
  font-weight: 900;
  margin-bottom: 8px;
}

.faq { display: grid; gap: 12px; }
.faq details { border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; background: #fff; }
.faq summary { cursor: pointer; font-weight: 800; }
.faq details p { margin: 14px 0 0; color: var(--muted); }

.notice { padding: 18px 20px; border-radius: 14px; background: #fff7f1; border: 1px solid #ffd7be; color: #7a3513; }

.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; align-items: start; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); padding: 32px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: grid; gap: 8px; }
.field-full { grid-column: 1 / -1; }
.field label { font-weight: 800; font-size: 14px; }
.required { color: var(--accent); font-size: 12px; margin-left: 5px; }
input, select, textarea {
  width: 100%;
  border: 1px solid #ccd4da;
  border-radius: 12px;
  padding: 13px 14px;
  background: #fff;
  color: var(--ink);
}
textarea { min-height: 170px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(243,106,33,.18); border-color: var(--accent); }
.check-row { display: flex; gap: 10px; align-items: flex-start; }
.check-row input { width: auto; margin-top: 7px; }
.honeypot { position: absolute; left: -9999px; }

.legal-content { max-width: 900px; }
.legal-content h2 { font-size: 28px; margin-top: 56px; }
.legal-content h3 { font-size: 19px; margin-top: 32px; }
.legal-table { width: 100%; border-collapse: collapse; margin-top: 24px; }
.legal-table th, .legal-table td { border-bottom: 1px solid var(--line); padding: 17px 12px; vertical-align: top; text-align: left; }
.legal-table th { width: 230px; font-size: 14px; }

.cta-band { padding: 52px 0; background: var(--accent); color: #fff; }
.cta-band-grid { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.cta-band .button { background: #fff; color: var(--ink); }

.site-footer { background: #0c151d; color: #fff; padding: 58px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 48px; }
.footer-logo { width: 215px; filter: brightness(0) invert(1); margin-bottom: 18px; }
.footer-links { display: grid; gap: 9px; }
.footer-links a { color: rgba(255,255,255,.72); text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-title { font-size: 13px; text-transform: uppercase; letter-spacing: .12em; color: rgba(255,255,255,.47); font-weight: 800; margin-bottom: 12px; }
.footer-bottom { margin-top: 42px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; gap: 20px; color: rgba(255,255,255,.46); font-size: 12px; }
.insta-link { display: inline-flex; gap: 9px; align-items: center; text-decoration: none; color: rgba(255,255,255,.8); font-weight: 700; }

@media (max-width: 980px) {
  .menu-button { display: inline-grid; place-items: center; }
  .nav-links {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    padding: 18px 24px 28px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 11px 0; }
  .nav-links .nav-cta { text-align: center; margin-top: 8px; }
  .hero-grid, .split, .contact-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-visual { min-height: 420px; }
  .cards { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .equipment-grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .nav-wrap { padding: 0 16px; min-height: 68px; }
  .logo { width: 190px; }
  .nav-links { top: 68px; }
  .container { padding: 0 18px; }
  .section { padding: 70px 0; }
  .section-sm { padding: 48px 0; }
  .hero-grid { padding-top: 44px; padding-bottom: 55px; gap: 28px; }
  .hero-visual { min-height: 360px; }
  .golf-ball { width: 165px; right: 3%; }
  .data-card { width: 93%; padding: 22px; }
  .data-number { font-size: 43px; }
  .page-hero { padding: 86px 0 62px; }
  .equipment-grid, .metrics, .flow, .form-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
  .cta-band-grid { display: grid; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > :first-child { grid-column: auto; }
  .footer-bottom { display: grid; }
  .legal-table, .legal-table tbody, .legal-table tr, .legal-table th, .legal-table td { display: block; width: 100%; }
  .legal-table th { padding-bottom: 5px; border-bottom: 0; color: var(--muted); }
  .legal-table td { padding-top: 0; }
}
