:root {
  --navy: #072a57;
  --blue: #0757c9;
  --bright-blue: #1680ee;
  --sky: #eaf5ff;
  --pale: #f5f9fd;
  --white: #fff;
  --ink: #14243a;
  --muted: #5f6f82;
  --line: #dce7f1;
  --gold: #eab84f;
  --shadow: 0 22px 60px rgba(17, 62, 113, .12);
  --radius: 24px;
  --header-height: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 20px); }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Kaku Gothic ProN",
    "Yu Gothic", YuGothic, Meiryo, sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; }
button, input { font: inherit; }
button { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; z-index: 999; top: 8px; left: 8px; padding: 8px 14px;
  color: var(--white); background: var(--navy); transform: translateY(-150%);
}
.skip-link:focus { transform: none; }
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 104px 0; }

.site-header {
  position: sticky; z-index: 50; top: 0; height: var(--header-height);
  background: rgba(255, 255, 255, .94); border-bottom: 1px solid rgba(220, 231, 241, .8);
  backdrop-filter: blur(16px);
}
.header-inner {
  width: min(1200px, calc(100% - 40px)); height: 100%; margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 38px; height: 38px; display: flex; gap: 4px; align-items: flex-end; }
.brand-mark span { display: block; width: 10px; border-radius: 5px 5px 2px 2px; background: var(--blue); transform: skew(-10deg); }
.brand-mark span:nth-child(1) { height: 20px; opacity: .45; }
.brand-mark span:nth-child(2) { height: 30px; opacity: .72; }
.brand-mark span:nth-child(3) { height: 38px; }
.brand-mark.large { width: 66px; height: 66px; gap: 7px; }
.brand-mark.large span { width: 17px; }
.brand-mark.large span:nth-child(1) { height: 34px; }
.brand-mark.large span:nth-child(2) { height: 51px; }
.brand-mark.large span:nth-child(3) { height: 66px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { color: var(--navy); font-size: 15px; letter-spacing: .02em; }
.brand-text small { color: #7990a8; font-size: 9px; letter-spacing: .18em; }
.global-nav { display: flex; align-items: center; gap: 42px; }
.global-nav a {
  position: relative; padding: 25px 0 21px; color: #34475c;
  font-size: 14px; font-weight: 700; text-decoration: none;
}
.global-nav a::after {
  position: absolute; bottom: 17px; left: 50%; width: 0; height: 2px; content: "";
  background: var(--bright-blue); transition: .25s; transform: translateX(-50%);
}
.global-nav a:hover::after, .global-nav a:focus-visible::after { width: 100%; }
.menu-button { display: none; border: 0; background: none; padding: 10px; }

.hero {
  position: relative; min-height: 680px; overflow: hidden;
  background: linear-gradient(120deg, #fff 0%, #f8fbff 48%, #e9f5ff 100%);
}
.hero::before, .hero::after {
  position: absolute; border-radius: 50%; content: ""; filter: blur(2px);
}
.hero::before { width: 360px; height: 360px; top: -200px; right: 20%; background: rgba(55, 160, 255, .1); }
.hero::after { width: 220px; height: 220px; left: -140px; bottom: 80px; background: rgba(7, 87, 201, .07); }
.hero-inner {
  position: relative; z-index: 2; width: min(1200px, calc(100% - 40px)); margin-inline: auto;
  display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; min-height: 620px; gap: 40px;
}
.eyebrow, .section-kicker {
  margin: 0 0 14px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .2em;
}
.eyebrow span {
  display: inline-flex; width: 38px; height: 38px; margin-right: 10px; align-items: center; justify-content: center;
  color: white; background: var(--blue); border-radius: 50%; font-size: 13px; letter-spacing: 0;
}
.hero h1 { margin: 0; color: var(--navy); font-size: clamp(38px, 5vw, 66px); line-height: 1.3; letter-spacing: -.04em; }
.hero h1 em { color: var(--blue); font-style: normal; }
.hero-lead { margin: 24px 0 8px; color: var(--navy); font-size: 21px; font-weight: 800; }
.hero-description { max-width: 570px; margin: 0; color: var(--muted); font-size: 16px; }
.hero-actions { display: flex; align-items: center; gap: 26px; margin-top: 34px; }
.button {
  display: inline-flex; min-height: 56px; padding: 0 28px; border: 0; border-radius: 999px;
  align-items: center; justify-content: center; gap: 28px; cursor: pointer; font-weight: 800;
  text-decoration: none; transition: transform .2s, box-shadow .2s, background .2s;
}
.button:hover { transform: translateY(-2px); }
.button-primary, .button-submit { color: white; background: linear-gradient(100deg, var(--blue), var(--bright-blue)); box-shadow: 0 12px 28px rgba(7, 87, 201, .24); }
.text-link { color: var(--navy); font-size: 14px; font-weight: 700; text-decoration: none; }
.text-link span { margin-left: 8px; color: var(--blue); }
.hero-visual { position: relative; padding: 30px; }
.hero-visual::before {
  position: absolute; inset: 9% 2% 2% 7%; border-radius: 45% 55% 54% 46% / 45% 40% 60% 55%;
  background: #ddecff; content: ""; transform: rotate(4deg);
}
.hero-visual img { position: relative; z-index: 1; border-radius: 38% 38% 32% 40%; mix-blend-mode: multiply; }
.anniversary-badge {
  position: absolute; z-index: 3; top: 8%; right: 4%; width: 88px; height: 88px;
  display: flex; align-items: center; justify-content: center; color: var(--navy);
  background: white; border: 1px solid #e5edf7; border-radius: 50%; box-shadow: var(--shadow);
  font-family: Georgia, serif; font-size: 42px; font-weight: 700;
}
.anniversary-badge small { margin-top: 15px; font-size: 15px; }
.hero-wave { position: absolute; z-index: 3; right: 0; bottom: -1px; left: 0; height: 55px; background: var(--white); clip-path: ellipse(60% 45% at 50% 100%); }

.section-heading { max-width: 720px; margin: 0 auto 54px; text-align: center; }
.section-heading.left { margin-left: 0; text-align: left; }
.section-heading h2, .message-box h2, .entry-copy h2 { margin: 0 0 13px; color: var(--navy); font-size: clamp(30px, 4vw, 44px); line-height: 1.4; letter-spacing: -.03em; }
.section-heading > p:last-child, .message-box p:last-child { margin: 0; color: var(--muted); }

.campaign-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.info-card {
  position: relative; min-height: 280px; padding: 36px 32px; overflow: hidden;
  background: white; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 12px 40px rgba(25, 66, 110, .06);
}
.info-card::after {
  position: absolute; right: -30px; bottom: -45px; width: 130px; height: 130px;
  background: var(--sky); border-radius: 50%; content: "";
}
.card-icon {
  width: 52px; height: 52px; display: flex; align-items: center; justify-content: center;
  color: white; background: var(--blue); border-radius: 15px; font-size: 12px; font-weight: 800; letter-spacing: .1em;
}
.card-label { margin: 24px 0 3px; color: var(--bright-blue); font-size: 12px; font-weight: 800; letter-spacing: .13em; }
.info-card h3 { margin: 0 0 11px; color: var(--navy); font-size: 21px; line-height: 1.5; }
.info-card h3 span { margin-inline: 3px; color: var(--bright-blue); }
.info-card > p:last-child { position: relative; z-index: 1; margin: 0; color: var(--muted); font-size: 14px; }
.flow {
  margin-top: 34px; padding: 28px 40px; display: flex; align-items: center; justify-content: space-between;
  background: var(--pale); border-radius: var(--radius);
}
.flow-step { display: flex; align-items: center; gap: 14px; }
.flow-step > span { font-size: 30px; }
.flow-step div { display: flex; flex-direction: column; }
.flow-step small { color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.flow-step strong { color: var(--navy); font-size: 14px; }
.flow-arrow { color: #a6bed8; font-size: 22px; }

.entry-section { color: white; background: linear-gradient(135deg, #062955, #075fcf); }
.entry-layout { display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; gap: 72px; }
.section-kicker.light { color: #83caff; }
.entry-copy h2 { color: white; }
.entry-copy > p:not(.section-kicker) { color: rgba(255, 255, 255, .78); }
.entry-points { margin: 28px 0 0; padding: 0; list-style: none; }
.entry-points li { position: relative; margin: 10px 0; padding-left: 30px; font-weight: 700; }
.entry-points li::before {
  position: absolute; top: .43em; left: 0; width: 18px; height: 18px; content: "✓";
  display: flex; align-items: center; justify-content: center; color: var(--blue); background: white;
  border-radius: 50%; font-size: 11px; line-height: 1;
}
.form-card { min-height: 475px; padding: 42px; color: var(--ink); background: white; border-radius: 28px; box-shadow: 0 30px 70px rgba(0, 20, 50, .28); }
.form-heading { display: flex; align-items: center; gap: 16px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.form-heading > span { font-size: 38px; }
.form-heading small { color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.form-heading h3 { margin: 0; color: var(--navy); font-size: 19px; line-height: 1.45; }
.form-card label:not(.consent) { display: block; margin: 28px 0 9px; color: var(--navy); font-size: 14px; font-weight: 800; }
.required { margin-left: 6px; padding: 3px 7px; color: var(--blue); background: var(--sky); border-radius: 4px; font-size: 10px; }
.form-card input[type="text"] {
  width: 100%; height: 60px; padding: 0 18px; color: var(--ink); background: #f9fbfd;
  border: 1px solid #cdddeb; border-radius: 10px; outline: none; transition: .2s;
}
.form-card input[type="text"]:focus { border-color: var(--bright-blue); background: white; box-shadow: 0 0 0 4px rgba(22, 128, 238, .12); }
.form-card input[aria-invalid="true"] { border-color: #c33838; }
.form-help, .form-error, .test-note { margin: 7px 0 0; color: #738297; font-size: 11px; }
.form-error { color: #b52020; font-weight: 700; }
.consent { display: flex; gap: 9px; align-items: flex-start; margin: 22px 0 18px; color: #536579; font-size: 12px; cursor: pointer; }
.consent input { width: 17px; height: 17px; margin-top: 5px; accent-color: var(--blue); }
.inline-policy { padding: 0; color: var(--blue); background: none; border: 0; cursor: pointer; text-decoration: underline; }
.button-submit { width: 100%; }
.test-note { text-align: center; }
.form-success { padding: 52px 16px; text-align: center; }
.form-success > span { width: 68px; height: 68px; margin: 0 auto 20px; display: flex; align-items: center; justify-content: center; color: white; background: var(--blue); border-radius: 50%; font-size: 32px; }
.form-success h3 { margin: 0 0 10px; color: var(--navy); font-size: 24px; }
.form-success p { margin: 0 auto 24px; color: var(--muted); font-size: 14px; }
.button-secondary { min-height: 48px; color: var(--blue); background: var(--sky); }

.message-section { padding: 80px 0; background: var(--sky); }
.message-box { display: grid; grid-template-columns: 150px 1fr; gap: 50px; align-items: center; }
.message-mark { width: 140px; height: 140px; display: flex; align-items: flex-end; gap: 12px; justify-content: center; }
.message-mark span { width: 28px; background: var(--blue); border-radius: 14px 14px 5px 5px; transform: skew(-10deg); }
.message-mark span:nth-child(1) { height: 68px; opacity: .4; }
.message-mark span:nth-child(2) { height: 104px; opacity: .7; }
.message-mark span:nth-child(3) { height: 136px; }
.message-box h2 { font-size: clamp(27px, 3.6vw, 40px); }

.company-section { background: #fbfdff; }
.company-panel { display: grid; grid-template-columns: .75fr 1.25fr; overflow: hidden; background: white; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.company-brand { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; padding: 50px; background: linear-gradient(145deg, #edf6ff, #f8fbff); }
.company-brand p { margin: 0; display: flex; flex-direction: column; color: var(--navy); text-align: center; }
.company-brand strong { font-size: 20px; }
.company-brand small { color: #7b91a8; font-size: 10px; letter-spacing: .15em; }
.company-list { margin: 0; padding: 38px 48px; }
.company-list div, .legal-list div { display: grid; grid-template-columns: 130px 1fr; padding: 17px 0; border-bottom: 1px solid var(--line); }
.company-list div:last-child, .legal-list div:last-child { border-bottom: 0; }
.company-list dt, .legal-list dt { color: #6e8298; font-size: 13px; font-weight: 700; }
.company-list dd, .legal-list dd { margin: 0; color: var(--ink); font-size: 14px; font-weight: 600; }
.company-list a { text-decoration: none; }

.site-footer { padding: 64px 0 20px; color: white; background: #051d3a; }
.footer-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 36px; }
.footer-brand .brand-text strong { color: white; }
.footer-brand .brand-text small { color: #7e9bb8; }
.light-mark span { background: #5cb3ff; }
.footer-top > p { margin: 0; color: #9bb0c7; font-size: 13px; }
.legal-accordions { border-top: 1px solid rgba(255,255,255,.13); }
.legal-accordions details { border-bottom: 1px solid rgba(255,255,255,.13); }
.legal-accordions summary {
  position: relative; padding: 23px 50px 23px 0; cursor: pointer; color: white; font-size: 14px; font-weight: 700; list-style: none;
}
.legal-accordions summary::-webkit-details-marker { display: none; }
.legal-accordions summary span::before, .legal-accordions summary span::after {
  position: absolute; top: 50%; right: 12px; width: 16px; height: 2px;
  background: #67b9ff; content: ""; transition: transform .25s;
}
.legal-accordions summary span::after { transform: rotate(90deg); }
.legal-accordions details[open] summary span::after { transform: rotate(0); }
.legal-content { padding: 2px 32px 34px; color: #bdd0e2; font-size: 13px; }
.legal-content h3 { margin: 25px 0 4px; color: #e9f4ff; font-size: 14px; }
.legal-content p { margin: 0 0 10px; }
.legal-content a { color: #82c6ff; }
.legal-content li { margin-bottom: 4px; }
.legal-list { margin: 0; }
.legal-list div { border-color: rgba(255,255,255,.1); }
.legal-list dt { color: #8eacc7; }
.legal-list dd { color: #d1dfec; font-weight: 400; }
.contact-content strong { color: white; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 26px; color: #7791aa; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: #a5bbcf; font-size: 12px; text-decoration: none; }
.footer-bottom a span { margin-left: 8px; color: #67b9ff; }

:focus-visible { outline: 3px solid #eab84f; outline-offset: 3px; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr 1fr; gap: 10px; }
  .hero h1 { font-size: clamp(36px, 6vw, 54px); }
  .campaign-cards { grid-template-columns: 1fr; }
  .info-card { min-height: 0; }
  .flow { padding: 24px; }
  .flow-step { flex-direction: column; text-align: center; }
  .entry-layout { grid-template-columns: 1fr; gap: 42px; }
}

@media (max-width: 700px) {
  :root { --header-height: 67px; }
  .container, .header-inner, .hero-inner { width: min(100% - 32px, 560px); }
  .section { padding: 76px 0; }
  .brand-text strong { font-size: 13px; }
  .brand-mark { width: 33px; height: 33px; }
  .brand-mark span { width: 9px; }
  .brand-mark span:nth-child(1) { height: 17px; }
  .brand-mark span:nth-child(2) { height: 26px; }
  .brand-mark span:nth-child(3) { height: 33px; }
  .menu-button { position: relative; z-index: 2; width: 44px; height: 44px; display: flex; flex-direction: column; justify-content: center; gap: 6px; }
  .menu-button > span:not(.sr-only) { width: 23px; height: 2px; display: block; background: var(--navy); transition: .25s; }
  .menu-button[aria-expanded="true"] > span:nth-last-child(3) { transform: translateY(8px) rotate(45deg); }
  .menu-button[aria-expanded="true"] > span:nth-last-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] > span:nth-last-child(1) { transform: translateY(-8px) rotate(-45deg); }
  .global-nav {
    position: fixed; inset: var(--header-height) 0 auto; display: none; padding: 18px 24px 28px;
    flex-direction: column; align-items: stretch; gap: 0; background: white; border-top: 1px solid var(--line);
    box-shadow: 0 18px 40px rgba(7,42,87,.12);
  }
  .global-nav.open { display: flex; }
  .global-nav a { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .global-nav a::after { display: none; }
  .hero { min-height: auto; }
  .hero-inner { padding: 55px 0 72px; grid-template-columns: 1fr; text-align: center; }
  .hero h1 { font-size: clamp(34px, 10vw, 46px); }
  .hero-lead { margin-top: 18px; font-size: 18px; }
  .hero-description { font-size: 14px; }
  .hero-actions { justify-content: center; flex-direction: column; gap: 16px; margin-top: 26px; }
  .hero-visual { order: -1; width: min(86%, 390px); margin: auto; padding: 18px; }
  .anniversary-badge { width: 68px; height: 68px; font-size: 32px; }
  .anniversary-badge small { font-size: 12px; }
  .hero-wave { height: 30px; }
  .section-heading { margin-bottom: 38px; }
  .campaign-cards { gap: 16px; }
  .info-card { padding: 28px 25px; }
  .flow { flex-direction: column; gap: 14px; }
  .flow-step { width: 100%; flex-direction: row; text-align: left; }
  .flow-arrow { transform: rotate(90deg); }
  .entry-copy { text-align: center; }
  .entry-points { display: inline-block; text-align: left; }
  .form-card { min-height: 0; padding: 28px 22px; border-radius: 20px; }
  .form-heading { align-items: flex-start; }
  .form-heading > span { font-size: 32px; }
  .form-heading h3 { font-size: 16px; }
  .message-box { grid-template-columns: 1fr; gap: 24px; text-align: center; }
  .message-mark { width: 90px; height: 90px; margin: auto; gap: 8px; }
  .message-mark span { width: 18px; }
  .message-mark span:nth-child(1) { height: 45px; }
  .message-mark span:nth-child(2) { height: 68px; }
  .message-mark span:nth-child(3) { height: 88px; }
  .company-panel { grid-template-columns: 1fr; }
  .company-brand { padding: 38px; }
  .company-list { padding: 20px 24px; }
  .company-list div, .legal-list div { grid-template-columns: 1fr; gap: 4px; }
  .company-list dt, .legal-list dt { color: var(--blue); }
  .footer-top { flex-direction: column; align-items: flex-start; gap: 22px; }
  .footer-top > p { font-size: 12px; }
  .legal-content { padding-inline: 5px; }
  .legal-list dt { color: #82c6ff; }
  .footer-bottom { flex-direction: column-reverse; align-items: flex-start; gap: 20px; }
}

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