:root {
  --navy: #123b7a;
  --brandTeal: #14b8a6;
  --primary: #0f766e;
  --primaryHover: #0b625b;
  --primaryPressed: #084e48;
  --mint: #e6f7f3;
  --background: #f5f8fa;
  --surface: #fff;
  --text: #18314e;
  --muted: #526579;
  --border: #cedae3;
  --focus: #1d4ed8;
  --font: "Noto Sans JP", "Noto Sans CJK JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--surface); font-family: var(--font); font-size: 14px; line-height: 1.7; }
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.container { width: min(100% - 64px, 1280px); margin-inline: auto; }
.skip-link { position: absolute; z-index: 100; left: 16px; top: -80px; padding: 10px 16px; border-radius: 8px; background: var(--navy); color: #fff; }
.skip-link:focus { top: 12px; }

.site-header { position: relative; z-index: 20; min-height: 72px; border-bottom: 1px solid #e8eff3; background: rgba(255,255,255,.98); }
.header-inner { display: flex; align-items: center; min-height: 72px; gap: 32px; }
.brand { display: inline-flex; flex: 0 0 auto; align-items: center; }
.brand img { display: block; width: 206px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 30px; margin-left: auto; font-weight: 600; }
.site-nav a { padding-block: 10px; white-space: nowrap; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--primary); }
.header-actions { display: flex; align-items: center; margin-left: 8px; }
.menu-toggle { display: none; }
.google-button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 18px 0 12px; border: 1px solid #747775; border-radius: 10px; background: #fff; color: #1f1f1f; font-family: Arial, var(--font); font-size: 14px; font-weight: 600; line-height: 20px; white-space: nowrap; transition: background-color .15s, box-shadow .15s; }
.google-button:hover { background: #f6f8f8; box-shadow: 0 3px 10px rgba(24,49,78,.10); }
.google-button:active { background: #edf0f0; }
.google-button img { display: block; flex: 0 0 20px; width: 20px; height: 20px; object-fit: contain; }
.google-button--header { min-height: 44px; }

.hero { overflow: hidden; background: linear-gradient(135deg, #fff 0%, #f6fbfb 52%, #edf8f6 100%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); align-items: center; gap: 64px; min-height: 600px; padding-block: 56px 72px; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0; color: var(--primary); font-size: 13px; font-weight: 700; letter-spacing: .06em; }
.eyebrow-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--brandTeal); box-shadow: 0 0 0 5px var(--mint); }
.hero h1 { margin: 22px 0 20px; color: var(--navy); font-size: clamp(34px, 3.6vw, 52px); font-weight: 800; letter-spacing: -.035em; line-height: 1.42; }
.hero h1 span { color: var(--primary); }
.hero-description { margin: 0 0 28px; font-size: 18px; font-weight: 500; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
.google-button--hero { min-width: 216px; }
.try-button { display: inline-flex; justify-content: center; align-items: center; gap: 9px; min-height: 48px; padding: 0 19px; border: 1px solid var(--primary); border-radius: 10px; color: var(--primary); font-weight: 700; transition: background-color .15s, color .15s; }
.try-button:hover { background: var(--mint); }
.try-button:active { background: #d1eee7; }
.try-button span { font-size: 19px; line-height: 1; }
.hero-note { max-width: 480px; margin: 16px 0 0; color: var(--muted); font-size: 12px; }

.hero-art { position: relative; display: flex; justify-content: center; align-items: center; min-height: 470px; border: 1px solid #d3eeea; border-radius: 30px; background: linear-gradient(150deg, #e7f8f5, #d8eff0 68%, #d6e5f4); isolation: isolate; }
.art-glow { position: absolute; z-index: -1; border-radius: 50%; }
.art-glow--one { top: -100px; right: -75px; width: 300px; height: 300px; background: rgba(255,255,255,.45); }
.art-glow--two { bottom: -100px; left: -80px; width: 260px; height: 260px; background: rgba(20,184,166,.11); }
.document-card { position: relative; width: min(78%, 390px); min-height: 365px; padding: 28px 29px 24px; border: 1px solid #e1eaf0; border-radius: 8px; background: #fff; box-shadow: 0 26px 55px rgba(18,59,122,.16); transform: rotate(-3deg); }
.document-topline { display: flex; justify-content: space-between; align-items: center; color: var(--navy); font-size: 21px; font-weight: 800; }
.document-dot { width: 28px; height: 28px; border-radius: 9px; background: var(--mint); }
.document-rule { height: 3px; margin: 18px 0 25px; border-radius: 3px; background: var(--primary); }
.document-field { height: 11px; margin-bottom: 9px; border-radius: 10px; background: #e5ebf0; }
.document-field--wide { width: 67%; }
.document-field--medium { width: 47%; margin-bottom: 25px; }
.document-table-head, .document-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid #e3edf1; }
.document-table-head { padding: 7px 0; color: var(--muted); font-size: 10px; font-weight: 700; }
.document-row { min-height: 38px; }
.document-row span { display: block; width: 48%; height: 9px; border-radius: 8px; background: #edf1f4; }
.document-row span:last-child { width: 19%; }
.document-row:nth-of-type(7) span:first-child { width: 36%; }
.document-total { display: flex; justify-content: space-between; align-items: center; margin-top: 22px; padding: 10px 12px; border-radius: 7px; background: var(--mint); color: var(--primary); font-size: 12px; font-weight: 700; }
.document-total strong { font-size: 19px; }
.share-card { position: absolute; right: 2%; bottom: 55px; display: flex; align-items: center; gap: 12px; min-width: 190px; padding: 13px 16px; border: 1px solid #dcebe9; border-radius: 15px; background: #fff; box-shadow: 0 14px 34px rgba(18,59,122,.16); font-size: 12px; line-height: 1.4; transform: rotate(3deg); }
.share-card strong { color: var(--navy); font-size: 15px; }
.share-card-icon { display: grid; place-items: center; flex: 0 0 35px; width: 35px; height: 35px; border-radius: 11px; background: var(--mint); color: var(--primary); font-size: 24px; line-height: 1; }
.art-caption { position: absolute; right: 20px; bottom: 16px; left: 20px; color: var(--navy); font-size: 12px; font-weight: 700; text-align: center; }
.art-caption span { padding-inline: 7px; color: var(--primary); }

.section { padding-block: 88px; }
.section-heading { max-width: 650px; margin-bottom: 34px; }
.section-kicker { margin: 0 0 6px; color: var(--primary); font-size: 13px; font-weight: 800; letter-spacing: .1em; }
.section-heading h2 { margin: 0; color: var(--navy); font-size: clamp(26px, 2.5vw, 34px); line-height: 1.45; }
.section-heading > p:last-child { margin: 14px 0 0; color: var(--muted); font-size: 16px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.feature-card { min-height: 234px; padding: 28px; border: 1px solid #dde7eb; border-radius: 16px; background: #fff; box-shadow: 0 9px 25px rgba(18,59,122,.045); }
.feature-icon { display: grid; place-items: center; width: 49px; height: 49px; margin-bottom: 20px; border-radius: 14px; background: var(--mint); color: var(--primary); font-size: 25px; font-weight: 800; line-height: 1; }
.feature-icon--link { font-size: 27px; }
.feature-icon--pdf { font-size: 13px; }
.feature-card h3 { margin: 0 0 10px; color: var(--navy); font-size: 18px; }
.feature-card p { margin: 0; color: var(--muted); line-height: 1.8; }

.how { background: var(--background); }
.how-inner { max-width: 1180px; }
.step-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; padding: 0; margin: 0; list-style: none; }
.step-grid li { position: relative; min-height: 204px; padding: 27px 28px; border: 1px solid #dfe8ec; border-radius: 16px; background: #fff; }
.step-grid li:not(:last-child)::after { position: absolute; z-index: 1; top: 74px; right: -17px; display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid #dcece8; border-radius: 50%; background: #fff; color: var(--primary); content: "→"; font-size: 18px; }
.step-number { display: inline-block; color: var(--primary); font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.step-grid h3 { margin: 7px 0 9px; color: var(--navy); font-size: 20px; }
.step-grid p { margin: 0; color: var(--muted); }
.how-note { margin: 22px 0 0; color: var(--muted); font-size: 13px; }
.ad-placement[hidden] { display: none; }

.faq-inner { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 56px; }
.faq-list { display: grid; align-content: start; gap: 12px; }
.faq-list details { border: 1px solid var(--border); border-radius: 12px; background: #fff; }
.faq-list details[open] { border-color: #7bbab2; box-shadow: 0 5px 16px rgba(18,59,122,.05); }
.faq-list summary { position: relative; padding: 18px 50px 18px 20px; color: var(--navy); cursor: pointer; font-size: 15px; font-weight: 700; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 16px; right: 19px; color: var(--primary); content: "+"; font-size: 24px; font-weight: 400; line-height: 1; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: 0; padding: 0 20px 19px; color: var(--muted); }

.closing { padding-block: 36px; background: var(--mint); }
.closing-inner { display: flex; align-items: center; gap: 23px; }
.closing-inner > img { flex: 0 0 58px; width: 58px; height: 58px; object-fit: contain; }
.closing-inner h2 { margin: 0; color: var(--navy); font-size: 24px; line-height: 1.35; }
.closing-inner p { margin: 5px 0 0; color: var(--muted); }
.closing-inner .google-button { margin-left: auto; }
.site-footer { padding-block: 28px; background: #fff; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-brand img { display: block; width: 166px; height: auto; }
.footer-inner p { margin: 0; color: var(--muted); font-size: 12px; }
.footer-meta { display: grid; gap: 7px; justify-items: end; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px 14px; }
.footer-links a, .footer-links button { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 2px; color: var(--primary); font-size: 13px; font-weight: 700; }
.footer-links button { border: 0; background: transparent; cursor: pointer; }
.footer-links a:hover, .footer-links button:hover { text-decoration: underline; }

.consent-panel[hidden] { display: none; }
.consent-panel { position: fixed; z-index: 1000; right: 16px; bottom: 16px; width: min(480px, calc(100% - 32px)); max-height: min(85vh, 720px); overflow: auto; padding: 20px; border: 1px solid var(--border); border-radius: 16px; background: #fff; box-shadow: 0 12px 40px rgba(18,59,122,.20); }
.consent-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.consent-heading h2 { margin: 0; color: var(--navy); font-size: 20px; }
.consent-heading button { min-width: 44px; min-height: 44px; border: 0; background: transparent; color: var(--navy); font-size: 24px; cursor: pointer; }
.consent-panel p { margin: 10px 0; color: var(--text); }
.consent-panel .consent-small { color: var(--muted); font-size: 12px; }
.consent-panel label { display: flex; align-items: center; min-height: 44px; gap: 10px; font-weight: 700; }
.consent-panel label input { width: 20px; height: 20px; accent-color: var(--primary); }
.consent-panel label:has(input:disabled) { color: var(--muted); }
.consent-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.consent-actions button { min-height: 44px; padding: 8px 14px; border: 1px solid var(--primary); border-radius: 8px; background: #fff; color: var(--primary); font-weight: 700; cursor: pointer; }
.consent-actions button:last-child { background: var(--primary); color: #fff; }
.consent-error { color: #9a3412 !important; }

@media (max-width: 1050px) {
  .site-nav { gap: 18px; }
  .header-inner { gap: 18px; }
  .hero-grid { gap: 34px; }
  .hero h1 { font-size: clamp(32px, 4vw, 42px); }
  .hero-art { min-height: 410px; }
  .document-card { width: 79%; min-height: 340px; padding: 25px; }
  .share-card { bottom: 42px; }
}

@media (max-width: 767px) {
  body { font-size: 16px; }
  .container { width: min(100% - 32px, 560px); }
  .site-header, .header-inner { min-height: 64px; }
  .header-inner { gap: 8px; }
  .brand img { width: 166px; }
  .header-actions { margin-left: auto; }
  .google-button--header { display: none; }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; width: 44px; height: 44px; padding: 0; border: 1px solid var(--border); border-radius: 10px; background: #fff; cursor: pointer; }
  .menu-toggle span { display: block; width: 18px; height: 2px; border-radius: 2px; background: var(--navy); }
  .site-nav { position: absolute; top: 64px; right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; margin: 0; padding: 6px 16px 14px; border-bottom: 1px solid var(--border); background: #fff; box-shadow: 0 14px 20px rgba(18,59,122,.08); }
  .site-nav[data-open="true"] { display: flex; }
  .site-nav a { display: block; min-height: 44px; padding: 11px 8px; }
  .hero-grid { display: flex; flex-direction: column; align-items: stretch; gap: 32px; min-height: 0; padding-block: 37px 46px; }
  .eyebrow { font-size: 12px; }
  .hero h1 { margin: 16px 0 16px; font-size: clamp(30px, 8vw, 40px); line-height: 1.48; }
  .hero-description { margin-bottom: 22px; font-size: 16px; line-height: 1.8; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero-actions a { width: 100%; }
  .hero-note { font-size: 12px; }
  .hero-art { min-height: 365px; border-radius: 20px; }
  .document-card { width: min(76%, 300px); min-height: 292px; padding: 20px; }
  .document-topline { font-size: 17px; }
  .document-rule { margin: 12px 0 19px; }
  .document-field--medium { margin-bottom: 18px; }
  .document-row { min-height: 29px; }
  .document-total { margin-top: 14px; }
  .share-card { right: 1%; bottom: 43px; min-width: 0; padding: 9px 10px; font-size: 10px; }
  .share-card strong { font-size: 12px; }
  .share-card-icon { flex-basis: 27px; width: 27px; height: 27px; font-size: 19px; }
  .art-caption { bottom: 10px; font-size: 11px; }
  .section { padding-block: 58px; }
  .section-heading { margin-bottom: 24px; }
  .section-heading h2 { font-size: 25px; }
  .section-heading > p:last-child { font-size: 14px; }
  .feature-grid, .step-grid { grid-template-columns: 1fr; gap: 13px; }
  .feature-card { min-height: 0; padding: 20px; }
  .feature-icon { width: 43px; height: 43px; margin-bottom: 14px; }
  .feature-card h3 { font-size: 17px; }
  .feature-card p { font-size: 14px; }
  .step-grid li { min-height: 0; padding: 20px; }
  .step-grid li:not(:last-child)::after { top: auto; right: calc(50% - 16px); bottom: -23px; transform: rotate(90deg); }
  .step-grid h3 { font-size: 18px; }
  .step-grid p { font-size: 14px; }
  .how-note { font-size: 12px; }
  .faq-inner { display: block; }
  .faq-list summary { padding: 16px 44px 16px 16px; font-size: 14px; }
  .faq-list summary::after { right: 15px; }
  .faq-list details p { padding: 0 16px 17px; font-size: 14px; }
  .closing { padding-block: 28px; }
  .closing-inner { flex-wrap: wrap; gap: 14px; }
  .closing-inner > img { width: 48px; height: 48px; flex-basis: 48px; }
  .closing-inner h2 { font-size: 20px; }
  .closing-inner p { font-size: 13px; }
  .closing-inner .google-button { width: 100%; margin: 6px 0 0; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
  .footer-meta { justify-items: start; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 379px) {
  .hero-art { min-height: 340px; }
  .document-card { width: 79%; min-height: 280px; padding: 17px; }
  .share-card { right: 0; bottom: 40px; }
  .share-card-icon { display: none; }
  .art-caption { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0s !important; animation-duration: 0s !important; }
}