:root {
  --color-bg: #fff;
  --color-bg-soft: #f5f9ff;
  --color-text: #172033;
  --color-muted: #5f6d82;
  --color-primary: #2476e8;
  --color-primary-dark: #125bc2;
  --color-primary-soft: #eaf3ff;
  --color-border: #dfe8f3;
  --color-white: #fff;
  --shadow-card: 0 20px 60px rgba(32, 83, 145, .09);
  --shadow-header: 0 8px 24px rgba(23, 50, 84, .08);
  --radius-sm: 10px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --space-section: clamp(5rem, 10vw, 8.5rem);
  --container: 1160px;
  --header-height: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body {
  margin: 0;
  overflow-x: hidden;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #68a8ff; outline-offset: 4px; border-radius: 4px; }
.container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
.narrow { max-width: 900px; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 10px 16px; transform: translateY(-150%); color: var(--color-white); background: var(--color-primary-dark); border-radius: var(--radius-sm); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: fixed; z-index: 20; inset: 0 0 auto; height: var(--header-height); background: rgba(255,255,255,.35); border-bottom: 1px solid transparent; transition: background-color .25s ease, box-shadow .25s ease, border-color .25s ease; }
.site-header.is-scrolled { background: rgba(255,255,255,.92); border-color: rgba(223,232,243,.8); box-shadow: var(--shadow-header); backdrop-filter: blur(14px); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.site-logo, .footer-logo { font-size: .9rem; font-weight: 800; letter-spacing: .16em; }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 38px); font-size: .84rem; font-weight: 600; }
.site-nav a, .footer-nav a { color: var(--color-muted); transition: color .2s ease; }
.site-nav a:hover, .footer-nav a:hover { color: var(--color-primary); }

.hero { min-height: min(740px, 88svh); display: grid; place-items: center; padding: calc(var(--header-height) + 52px) 0 72px; background: radial-gradient(circle at 72% 32%, rgba(164,208,255,.42), transparent 31%), radial-gradient(circle at 22% 72%, rgba(220,239,255,.8), transparent 35%), linear-gradient(145deg, #fff 20%, #f2f8ff 100%); }
.hero-content { text-align: center; }
.eyebrow { margin: 0 0 14px; color: var(--color-primary); font-size: .75rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { margin: 0; font-size: clamp(3.6rem, 10vw, 7.8rem); font-weight: 750; letter-spacing: -.07em; line-height: 1.04; }
.hero-lead { margin: 30px auto 38px; color: var(--color-muted); font-size: clamp(1rem, 2vw, 1.25rem); line-height: 2; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 16px; padding: 12px 22px; border: 0; border-radius: 999px; font: inherit; font-size: .88rem; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease; }
.button-primary { color: var(--color-white); background: var(--color-primary); box-shadow: 0 10px 25px rgba(36,118,232,.24); }
.button-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(36,118,232,.3); }

.section { padding: var(--space-section) 0; }
.section-tint { background: var(--color-bg-soft); }
.section-heading { margin-bottom: clamp(35px, 6vw, 58px); }
.section-heading h2 { margin: 0; font-size: clamp(2.2rem, 5vw, 3.6rem); letter-spacing: -.045em; line-height: 1.2; }
.section-heading > p:last-child:not(.eyebrow) { margin: 18px 0 0; color: var(--color-muted); }
.service-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.service-card { min-height: 540px; display: flex; flex-direction: column; padding: clamp(28px, 4vw, 44px); background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); transition: transform .25s ease, box-shadow .25s ease; }
.service-card:hover { transform: translateY(-5px); box-shadow: 0 26px 70px rgba(32,83,145,.14); }
.service-card-accent { background: linear-gradient(145deg, #f7fbff, #eaf4ff); }
.service-card-header { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.service-number { margin: 0; color: #a8bad0; font-size: .75rem; font-weight: 800; letter-spacing: .15em; }
.status { padding: 5px 11px; color: #5b6c80; background: #f0f3f7; border: 1px solid #e0e6ed; border-radius: 999px; font-size: .7rem; font-weight: 700; }
.status-live { color: #1261bd; background: #e5f1ff; border-color: #c9e2ff; }
.service-card h3 { margin: 42px 0 6px; font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -.05em; line-height: 1.12; }
.tagline { margin: 0 0 24px; color: var(--color-primary); font-weight: 700; }
.service-description { margin: 18px 0 0; color: var(--color-muted); font-size: 1rem; }
.service-note { margin: 18px 0 28px; padding-left: 14px; color: var(--color-muted); border-left: 2px solid #9bc8fa; font-size: .86rem; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 28px 0; padding: 0; list-style: none; }
.feature-tags li { padding: 5px 10px; color: #53647a; background: var(--color-bg-soft); border-radius: 999px; font-size: .72rem; }
.store-status { display: flex; flex-wrap: wrap; align-items: center; gap: 7px 14px; margin-top: auto; padding-top: 20px; color: #7b899c; border-top: 1px solid var(--color-border); font-size: .75rem; }
.store-status span { text-decoration: line-through; text-decoration-color: #aab5c3; }
.store-status small { flex-basis: 100%; color: #64758a; font-size: .7rem; font-weight: 700; }
.service-card-accent .button-primary { align-self: flex-start; margin-top: auto; }

.company-info { margin: 0; background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.company-info > div { display: grid; grid-template-columns: 180px 1fr; padding: 23px 30px; border-bottom: 1px solid var(--color-border); }
.company-info > div:last-child { border-bottom: 0; }
.company-info dt { color: var(--color-muted); font-size: .82rem; font-weight: 600; }
.company-info dd { margin: 0; font-weight: 600; }
.company-info a, .policy-copy a { color: var(--color-primary-dark); text-decoration: underline; text-underline-offset: 4px; }
.policy-copy { color: var(--color-muted); font-size: .98rem; }
.policy-copy p { margin: 0 0 20px; }

.site-footer { padding: 58px 0 32px; color: #c3cedd; background: #142033; }
.footer-main { display: flex; align-items: flex-start; justify-content: space-between; gap: 40px; padding-bottom: 48px; }
.footer-logo { color: var(--color-white); }
.footer-brand p { max-width: 330px; margin: 12px 0 0; color: #9eacbf; font-size: .75rem; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px 30px; font-size: .78rem; }
.copyright { margin: 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); font-size: .7rem; letter-spacing: .04em; }
[data-reveal] { opacity: 0; transform: translateY(14px); animation: reveal .65s ease forwards; }
@keyframes reveal { to { opacity: 1; transform: none; } }

@media (max-width: 768px) {
  :root { --header-height: 64px; }
  .container { width: min(100% - 32px, var(--container)); }
  .site-nav { gap: 15px; font-size: .72rem; }
  .site-nav a:nth-child(3) { display: none; }
  .hero { min-height: 640px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 500px; }
  .footer-main { flex-direction: column; }
  .footer-nav { justify-content: flex-start; }
}
@media (max-width: 480px) {
  .header-inner { gap: 15px; }
  .site-logo { font-size: .72rem; }
  .site-nav { gap: 12px; }
  .site-nav a:nth-child(2) { display: none; }
  .desktop-only { display: none; }
  .hero { min-height: 580px; padding-bottom: 52px; }
  h1 { font-size: clamp(3.5rem, 20vw, 5.2rem); }
  .service-card { min-height: 0; padding: 28px 24px; border-radius: 24px; }
  .service-card h3 { margin-top: 32px; }
  .store-status, .service-card-accent .button-primary { margin-top: 30px; }
  .company-info > div { grid-template-columns: 1fr; gap: 5px; padding: 19px 20px; }
  .footer-nav { display: grid; grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}