/* MASA APP LAB readability refresh — 2026-08-14 */

.product-page,
.support-page {
  --page-bg: #f5f8fa;
  --page-panel: #ffffff;
  --page-panel-soft: #eef5f4;
  --page-line: #d9e4e7;
  --page-text: #14283c;
  --page-muted: #607184;
  color: var(--page-text);
  background: var(--page-bg);
  font-family: "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", Meiryo, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.8;
}

.product-page a:focus-visible,
.support-page a:focus-visible,
.product-topbar a:focus-visible,
.product-footer a:focus-visible,
.product-page summary:focus-visible,
.support-page summary:focus-visible {
  outline: 3px solid rgba(8, 127, 120, .28);
  outline-offset: 4px;
}

.product-topbar {
  position: sticky;
  top: 0;
  height: 72px;
  color: #14283c;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid #d9e4e7;
  box-shadow: 0 5px 22px rgba(20, 40, 60, .06);
}

.product-topbar .brand-icon {
  clip-path: none;
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 11px;
  background: linear-gradient(135deg, #078d84, #0bb7aa);
  font-size: 11px;
}

.product-topbar nav { font-size: 13px; }
.product-topbar nav a { padding: 25px 0 20px; }
.product-topbar nav a:hover { color: #087f78; border-color: #087f78; }

.product-topbar .booth-button {
  color: #fff;
  background: #14283c;
  border-radius: 999px;
  box-shadow: none;
  font-size: 12px;
}

.product-page .product-hero {
  min-height: auto;
  padding: 76px clamp(28px, 7vw, 112px);
  color: var(--page-text);
  background: radial-gradient(circle at 86% 30%, rgba(8, 127, 120, .10), transparent 30%), linear-gradient(135deg, #fff, #eef5f4 72%);
  border-top: 4px solid var(--accent);
  border-bottom: 1px solid var(--page-line);
}

.product-page .product-hero::before {
  opacity: .28;
  background: linear-gradient(90deg, transparent 49%, rgba(20, 40, 60, .035) 50%, transparent 51%) 0 0 / 60px 60px;
}

.product-page .back-link {
  margin-bottom: 30px;
  color: #51677c;
  font-size: 14px;
}

.product-page .back-link:hover { color: #087f78; }

.product-page .product-category {
  margin-bottom: 12px;
  color: #087f78;
  font-size: 12px;
}

.product-page .product-hero h1 {
  color: var(--page-text);
  font-size: clamp(48px, 5vw, 76px);
  line-height: 1.08;
}

.product-page .product-hero h2 {
  margin: 20px 0 14px;
  color: #27485f;
  font-size: clamp(24px, 2.5vw, 35px);
  line-height: 1.45;
}

.product-page .product-hero-copy > p:not(.product-category) {
  color: var(--page-muted);
  font-size: 16px;
  line-height: 1.95;
}

.product-page .product-badges { gap: 9px; margin-top: 24px; }

.product-page .product-badges span {
  color: #315067;
  background: #fff;
  border: 1px solid var(--page-line);
  padding: 8px 13px;
  font-size: 12px;
  box-shadow: 0 3px 12px rgba(20, 40, 60, .04);
}

.product-page .product-actions { margin-top: 28px; }

.product-page .product-actions .primary-cta,
.product-page .product-final > a {
  justify-content: center;
  color: #fff;
  background: #087f78;
  border-radius: 12px;
  box-shadow: 0 10px 24px rgba(8, 127, 120, .20);
  font-size: 14px;
}

.product-page .youtube-cta {
  color: #a72a34;
  background: #fff5f5;
  border-color: #e6a6ab;
  border-radius: 12px;
  font-size: 14px;
}

.product-page .coming-soon {
  color: #355064;
  background: #fff;
  border-color: var(--page-line);
  border-radius: 12px;
}

.product-page .product-visual {
  padding: 12px;
  background: #fff;
  border: 1px solid var(--page-line);
  border-top: 4px solid var(--accent);
  border-radius: 20px;
  box-shadow: 0 24px 55px rgba(20, 40, 60, .16);
  transform: none;
}

.product-page .product-visual img { border-radius: 11px; }

.product-page .product-placeholder {
  color: var(--page-text);
  background: radial-gradient(circle, rgba(8, 127, 120, .12), transparent 62%), #eef4f6;
}

.product-page .product-placeholder small { color: var(--page-muted); }

.product-page .product-section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 72px 0;
}

.product-page .section-title p { color: #087f78; font-size: 11px; }

.product-page .section-title h2 {
  color: var(--page-text);
  font-size: clamp(30px, 3vw, 44px);
  line-height: 1.35;
}

.product-page .section-title > span {
  color: var(--page-muted);
  font-size: 15px;
  line-height: 1.8;
}

.product-page .feature-list { gap: 16px; margin-top: 32px; }

.product-page .feature-list article,
.product-page .product-info-grid article,
.product-page .product-trust article,
.product-page .related-grid a {
  color: var(--page-text);
  background: #fff;
  border: 1px solid var(--page-line);
  box-shadow: 0 8px 24px rgba(20, 40, 60, .055);
}

.product-page .feature-list article { min-height: 150px; padding: 24px; }
.product-page .feature-list b,
.product-page .related-grid span { color: #087f78; }
.product-page .feature-list span { font-size: 18px; line-height: 1.6; }
.product-page .product-info-grid { gap: 22px; }
.product-page .product-info-grid article { padding: 34px; }

.product-page .product-info-grid article > p,
.product-page .video-callout > div > p { color: #087f78; font-size: 11px; }

.product-page .product-info-grid h2,
.product-page .video-callout h2 { font-size: 30px; line-height: 1.45; }

.product-page .product-info-grid ul {
  color: #4f6477;
  font-size: 15px;
  line-height: 2;
}

.product-page .video-callout {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto 72px;
  color: var(--page-text);
  background: #fff7f7;
  border: 1px solid #efc9cc;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(20, 40, 60, .05);
}

.product-page .video-callout span { color: #705f65; font-size: 14px; }
.product-page .video-callout > a { border-radius: 11px; font-size: 14px; }
.product-page .product-trust article { padding: 32px; }
.product-page .product-trust h3 { font-size: 19px; }
.product-page .product-trust p { color: var(--page-muted); font-size: 14px; line-height: 1.8; }

.product-page .product-faq summary {
  color: var(--page-text);
  padding: 24px 8px;
  font-size: 16px;
}

.product-page .product-faq summary b { color: #087f78; }
.product-page .product-faq details,
.product-page .product-faq details:last-child { border-color: var(--page-line); }

.product-page .product-faq details p {
  color: var(--page-muted);
  margin-bottom: 26px;
  font-size: 15px;
  line-height: 1.9;
}

.product-page .related-grid { gap: 16px; }
.product-page .related-grid a { padding: 26px; }
.product-page .related-grid strong { font-size: 24px; }
.product-page .related-grid small { color: var(--page-muted); font-size: 14px; }

.product-page .product-final {
  width: min(1180px, calc(100% - 48px));
  margin: 10px auto 64px;
  color: #fff;
  background: linear-gradient(135deg, #12394a, #087f78);
  border: 0;
  border-radius: 20px;
  box-shadow: 0 16px 36px rgba(20, 40, 60, .16);
}

.product-page .product-final span { color: #bde9e5; }
.product-page .product-final p { color: #d9eeec; font-size: 15px; }
.product-page .product-final > a { background: #fff; color: #12394a; box-shadow: none; }

/* Free and paid edition comparison */
.product-page .free-download {
  background: #eef5f4;
  border-top-color: var(--page-line);
  border-bottom-color: var(--page-line);
}

.product-page .edition-card {
  color: var(--page-text);
  background: #fff;
  border-color: var(--page-line);
  box-shadow: 0 8px 24px rgba(20, 40, 60, .055);
}

.product-page .edition-card.paid {
  border-color: #6ab9b3;
  box-shadow: 0 10px 28px rgba(8, 127, 120, .10);
}

.product-page .edition-card > span { color: #087f78; font-size: 11px; }
.product-page .edition-card > p,
.product-page .edition-card ul { color: #4f6477; font-size: 15px; }
.product-page .download-cta,
.product-page .edition-buy { color: #fff; background: #087f78; border-radius: 11px; }
.product-page .edition-wait { color: #40566a; background: #e7edef; border-color: var(--page-line); border-radius: 11px; }
.product-page .checksum-note { color: #66788a !important; }
.product-page .edition-note { color: var(--page-muted); font-size: 14px; }
.product-page .product-price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 8px;
  color: var(--page-text);
  font-size: 14px;
  font-weight: 700;
}
.product-page .product-price strong {
  color: #087f78;
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1;
}
.product-page .product-price small {
  color: var(--page-muted);
  font-size: 12px;
  font-weight: 500;
}
.product-page .notice-ai {
  color: #4f6477;
  background: #fffaf0;
  border-color: #e9cf91;
  font-size: 14px;
}
.product-page .notice-ai strong { color: #8a6417; }

/* Verified input-to-result proof */
.product-page .proof-section { padding-top: 36px; }
.product-page .proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}
.product-page .proof-card {
  padding: 26px;
  color: var(--page-text);
  background: #fff;
  border: 1px solid var(--page-line);
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(20, 40, 60, .055);
}
.product-page .proof-card > b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 26px;
  margin-bottom: 14px;
  padding: 0 9px;
  color: #fff;
  background: #087f78;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: .08em;
}
.product-page .proof-card h3 { margin: 0 0 10px; color: var(--page-text); font-size: 20px; }
.product-page .proof-card p { margin: 0; color: var(--page-muted); font-size: 15px; line-height: 1.8; }
.product-page .proof-note { margin: 18px 0 0; color: var(--page-muted); font-size: 13px; line-height: 1.8; }

.product-footer {
  color: #14283c;
  background: #fff;
  border-top: 1px solid #d9e4e7;
}

.product-footer p,
.product-footer nav,
.product-footer > small { color: #607184; font-size: 12px; }
.product-footer .footer-booth { color: #fff; background: #14283c; }

/* Support page */
.support-page { background: radial-gradient(circle at 75% 8%, rgba(8, 127, 120, .09), transparent 28%), var(--page-bg); }
.support-hero { max-width: 1040px; padding-top: 78px; }
.support-hero .eyebrow,
.support-section .eyebrow { color: #087f78; font-size: 11px; }
.support-hero h1 { color: var(--page-text); font-size: clamp(38px, 5vw, 62px); }
.support-hero > p:not(.eyebrow) { color: var(--page-muted); font-size: 16px; line-height: 1.9; }
.support-actions a { border-radius: 12px; font-size: 14px; }
.support-actions .booth-contact { color: #fff; background: #087f78; box-shadow: 0 10px 24px rgba(8, 127, 120, .18); }
.support-actions .apps-link { color: var(--page-text); border-color: var(--page-line); background: #fff; }
.support-section h2 { color: var(--page-text); }
.support-faq,
.support-faq details { border-color: var(--page-line); }
.support-faq summary { color: var(--page-text); font-size: 16px; }
.support-faq summary b { color: #087f78; }
.support-faq details p { color: var(--page-muted); font-size: 15px; }
.contact-box { color: var(--page-text); border-color: var(--page-line); background: #fff; box-shadow: 0 12px 32px rgba(20, 40, 60, .08); }
.contact-box > p { color: var(--page-muted); font-size: 15px; }
.contact-steps li { color: #40566a; border-color: var(--page-line); background: var(--page-panel-soft); font-size: 14px; }
.contact-steps li::before { background: #087f78; }
.contact-template { color: #40566a; background: #f7fafb; border-color: var(--page-line); font-size: 14px; }
.contact-note { color: var(--page-muted) !important; }
.contact-box .booth-wide { color: #fff; background: #087f78; border-radius: 12px; }

@media (max-width: 1050px) {
  .product-page .product-hero { padding-top: 64px; }
}

@media (max-width: 760px) {
  .product-topbar { padding: 0 18px; }
  .product-page .product-hero { padding: 48px 24px 58px; }
  .product-page .product-hero h1 { font-size: clamp(44px, 14vw, 60px); }
  .product-page .product-hero-copy > p:not(.product-category) { font-size: 15px; }
  .product-page .product-section { width: min(100% - 36px, 1180px); padding: 56px 0; }
  .product-page .feature-list article { min-height: 135px; }
  .product-page .product-info-grid article { padding: 26px; }
  .product-page .video-callout,
  .product-page .product-final { width: calc(100% - 36px); margin-left: auto; margin-right: auto; }
  .product-page .product-final { padding: 28px 24px; }
  .product-page .product-final h2 { font-size: 28px; }
  .product-page .proof-grid { grid-template-columns: 1fr; }
  .product-page .proof-card { padding: 22px; }
  .product-footer { padding-left: 20px; padding-right: 20px; }
  .support-hero { padding-top: 52px; }
}