:root {
  --blue: #2a5d9e;
  --blue-dark: #173d70;
  --blue-soft: #e7eff8;
  --ink: #18212a;
  --muted: #596875;
  --canvas: #f6f8fa;
  --white: #ffffff;
  --line: #dce4ec;
  --shadow: 0 18px 55px rgba(31, 69, 112, 0.12);
  font-family: "Noto Sans JP", "Yu Gothic UI", "Hiragino Kaku Gothic ProN", sans-serif;
  color: var(--ink);
  background: var(--canvas);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; line-height: 1.75; }
a { color: var(--blue); }
img, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 100; background: var(--ink); color: white; padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(246,248,250,.92); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(220,228,236,.85); }
.nav { max-width: 1120px; margin: auto; min-height: 72px; padding: 10px 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; font-weight: 900; letter-spacing: -.03em; }
.brand-mark { width: 42px; height: 42px; flex: 0 0 auto; border-radius: 11px; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 700; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--blue); }
.menu-button { display: none; border: 0; border-radius: 10px; background: var(--blue-soft); color: var(--blue-dark); padding: 8px 12px; font-weight: 800; }

main { min-height: calc(100vh - 260px); }
.hero { overflow: hidden; position: relative; }
.hero::before { content: ""; position: absolute; width: 520px; height: 520px; right: -180px; top: -170px; border-radius: 50%; background: radial-gradient(circle, #b9ddff 0, #e7eff8 58%, transparent 59%); opacity: .85; }
.hero-inner { position: relative; max-width: 1120px; margin: auto; padding: 94px 24px 88px; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 64px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--blue); font-weight: 900; font-size: 13px; letter-spacing: .08em; }
.eyebrow::before { content: ""; width: 26px; height: 3px; border-radius: 2px; background: var(--blue); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 18px 0; font-size: clamp(38px, 6vw, 68px); line-height: 1.2; letter-spacing: -.055em; }
.lead { max-width: 650px; color: var(--muted); font-size: clamp(16px, 2vw, 20px); }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 52px; padding: 12px 22px; border: 1px solid var(--blue); border-radius: 14px; background: var(--blue); color: white; text-decoration: none; font-weight: 800; cursor: pointer; }
.button.secondary { background: white; color: var(--blue); }
.button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 3px solid #ffd34f; outline-offset: 3px; }
.hero-visual { background: transparent; }
.hero-app-icon { width: 100%; }
.map-card { position: relative; aspect-ratio: 1; border-radius: 24px; overflow: hidden; background-color: #eef4f8; background-image: linear-gradient(28deg, transparent 47%, #fff 48%, #fff 53%, transparent 54%), linear-gradient(115deg, transparent 44%, #fff 45%, #fff 51%, transparent 52%), linear-gradient(5deg, transparent 42%, #d6e7d1 43%, #d6e7d1 58%, transparent 59%); }
.map-ring { position: absolute; width: 58%; height: 58%; left: 21%; top: 24%; border-radius: 50%; background: rgba(255,199,55,.36); border: 3px solid rgba(255,162,25,.75); }
.map-pin { position: absolute; left: 50%; top: 44%; width: 70px; height: 70px; transform: translate(-50%,-50%) rotate(45deg); background: #f2363c; border: 6px solid white; border-radius: 50% 50% 50% 8px; box-shadow: 0 9px 22px rgba(105,34,39,.25); }
.map-pin::after { content: ""; position: absolute; width: 22px; height: 22px; left: 18px; top: 18px; border-radius: 50%; background: white; }

.section { max-width: 1120px; margin: auto; padding: 82px 24px; }
.section-heading { max-width: 720px; margin-bottom: 34px; }
.section-heading h2 { margin: 8px 0 12px; font-size: clamp(28px, 4vw, 42px); line-height: 1.3; letter-spacing: -.035em; }
.section-heading p { color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: white; box-shadow: 0 8px 28px rgba(31,69,112,.055); }
.card-number { width: 40px; height: 40px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 12px; color: var(--blue); background: var(--blue-soft); font-weight: 900; }
.card h3 { margin-bottom: 8px; font-size: 19px; }
.card p { margin-bottom: 0; color: var(--muted); }
.notice { padding: 26px 28px; border-left: 5px solid var(--blue); border-radius: 4px 18px 18px 4px; background: var(--blue-soft); }
.notice strong { display: block; margin-bottom: 5px; }

.document { max-width: 880px; margin: auto; padding: 64px 24px 96px; }
.document-header { margin-bottom: 34px; }
.document-header h1 { margin-bottom: 12px; font-size: clamp(32px, 5vw, 48px); }
.document-header p { color: var(--muted); }
.document article { padding: clamp(22px, 5vw, 48px); border: 1px solid var(--line); border-radius: 24px; background: white; }
.document section + section { margin-top: 38px; padding-top: 34px; border-top: 1px solid var(--line); }
.document h2 { font-size: 22px; line-height: 1.4; }
.document h3 { margin-top: 24px; font-size: 17px; }
.document li + li { margin-top: 7px; }
.document .meta { font-size: 14px; color: var(--muted); }
.toc { margin: 26px 0 0; padding: 20px 24px; border-radius: 16px; background: var(--blue-soft); }
.toc a { display: inline-block; margin: 3px 16px 3px 0; }

.form { display: grid; gap: 18px; margin-top: 26px; }
.field { display: grid; gap: 7px; }
.field label, .legend { font-weight: 800; }
.required { color: #b62c32; font-size: 12px; }
input, textarea, select { width: 100%; border: 1px solid #bcc9d5; border-radius: 12px; background: white; padding: 12px 14px; color: var(--ink); }
textarea { min-height: 140px; resize: vertical; }
.check { display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: start; }
.check input { width: 18px; height: 18px; margin-top: 5px; }
.form-note { color: var(--muted); font-size: 13px; }
.email-card { display: grid; gap: 8px; padding: 24px; margin-top: 22px; border-radius: 18px; background: var(--blue-soft); }
.email-card a { font-size: clamp(18px, 4vw, 26px); font-weight: 900; overflow-wrap: anywhere; }

.site-footer { background: #132d4e; color: #dfeaf5; }
.footer-inner { max-width: 1120px; margin: auto; padding: 46px 24px 34px; }
.footer-top { display: flex; justify-content: space-between; gap: 34px; }
.footer-brand { color: white; font-weight: 900; font-size: 19px; }
.footer-links { display: flex; gap: 12px 24px; flex-wrap: wrap; }
.footer-links a { color: #dfeaf5; text-decoration: none; font-size: 13px; }
.copyright { margin: 32px 0 0; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.15); color: #a9bdd2; font-size: 12px; }

@media (max-width: 760px) {
  .nav { min-height: 64px; }
  .menu-button { display: block; }
  .nav-links { display: none; position: absolute; left: 16px; right: 16px; top: 68px; padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: white; box-shadow: var(--shadow); flex-direction: column; align-items: stretch; }
  .nav-links.open { display: flex; }
  .hero-inner { padding-top: 62px; grid-template-columns: 1fr; gap: 42px; }
  .hero-visual { max-width: 440px; width: 100%; margin: auto; }
  .grid { grid-template-columns: 1fr; }
  .section { padding-top: 62px; padding-bottom: 62px; }
  .footer-top { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}