:root {
  --bg-main: #F5FBF8;
  --surface: #FFFFFF;
  --surface-green: #E7F6EE;
  --surface-blue: #DFF3FF;
  --surface-mint: #CFEEDB;
  --accent-green: #62B87C;
  --accent-green-strong: #4FA56A;
  --accent-mint: #7ACF9A;
  --accent-blue: #78B7D6;
  --text-main: #24343A;
  --text-soft: #5E7078;
  --border: #D6E7E2;
  --border-strong: #BFD5CE;
  --shadow-soft: 0 14px 44px rgba(36, 52, 58, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: min(1240px, calc(100% - 40px));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-main);
  background: var(--bg-main);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: var(--container); margin: 0 auto; }
.skip-link {
  position: absolute; left: -9999px; top: 0;
}
.skip-link:focus {
  left: 12px; top: 12px; z-index: 200; background: white; padding: 10px 14px; border-radius: 999px;
}
.site-header {
  position: sticky; top: 0; z-index: 100;
  padding: 10px 0 12px;
  backdrop-filter: blur(14px);
  background: rgba(245, 251, 248, 0.92);
  border-bottom: 1px solid rgba(214, 231, 226, 0.8);
}
.header-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "brand toggle"
    "nav nav";
  align-items: center;
  row-gap: 14px;
}
.brand {
  grid-area: brand;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.brand > span:last-child {
  display: grid;
  gap: 3px;
  min-width: 0;
}
.brand-mark {
  width: 42px; height: 42px; border-radius: 14px; overflow: hidden; flex: 0 0 auto;
  box-shadow: var(--shadow-soft);
}
.brand-title {
  display: block;
  font-size: 1.52rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}
.brand-subtitle {
  display: block;
  font-size: 0.9rem;
  line-height: 1.35;
  font-weight: 500;
  color: var(--text-soft);
  max-width: 34rem;
}
.menu-toggle {
  grid-area: toggle;
  justify-self: end;
  display: none; border: 1px solid var(--border); background: white; color: var(--text-main);
  border-radius: 999px; padding: 10px 14px; font: inherit;
}
.main-nav {
  grid-area: nav;
  padding-top: 6px;
  border-top: 1px solid rgba(214, 231, 226, 0.8);
}
.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  gap: 8px 10px;
  margin: 0;
  padding: 0;
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 12px;
  border-radius: 999px;
  color: var(--text-main);
  font-size: 0.93rem;
  line-height: 1.2;
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a.active {
  background: var(--surface-green); color: var(--accent-green-strong); outline: none;
}
main { display: block; }
.hero {
  padding: 40px 0 28px;
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 32px; align-items: center;
}
.hero-copy,
.hero-visual,
.panel,
.section-surface,
.card,
.callout,
.footer-surface,
.lead-card,
.info-grid > article,
.faq-item,
.sitemap-card,
.contact-card {
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}
.hero-copy {
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FEFB 100%);
  border-radius: var(--radius-xl);
  padding: 42px;
}
.hero-kicker,
.section-kicker,
.meta-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 999px; background: var(--surface-green); color: var(--accent-green-strong);
  font-size: 0.88rem; font-weight: 700;
}
.hero h1,
.page-hero h1 { font-size: clamp(2.6rem, 4vw, 4rem); line-height: 1.05; letter-spacing: -0.04em; margin: 18px 0 18px; }
.hero p,
.page-hero p.lead,
.section-intro { font-size: 1.08rem; color: var(--text-soft); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 18px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; transition: 0.22s ease;
}
.button.primary { background: var(--accent-green); color: white; }
.button.primary:hover, .button.primary:focus-visible { background: var(--accent-green-strong); outline: none; }
.button.secondary { background: white; color: var(--accent-green-strong); border-color: var(--border-strong); }
.button.secondary:hover, .button.secondary:focus-visible { background: var(--surface-green); outline: none; }
.hero-visual {
  border-radius: var(--radius-xl); overflow: hidden; background: white;
}
.media-frame { position: relative; overflow: hidden; border-radius: inherit; background: linear-gradient(180deg, #F7FBF9, #EEF8F3); }
.media-frame.hero-media { aspect-ratio: 16 / 10; }
.media-frame.section-media { aspect-ratio: 21 / 9; border-radius: var(--radius-lg); }
.media-frame.card-media { aspect-ratio: 4 / 3; border-radius: 20px 20px 0 0; }
.media-frame.thumb-media { aspect-ratio: 1 / 1; border-radius: 18px; }
.media-frame.tall-media { aspect-ratio: 3 / 4; border-radius: var(--radius-lg); }
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.section {
  padding: 26px 0 24px;
}
.section-surface {
  background: white; border-radius: var(--radius-xl); padding: 30px;
}
.section-surface.tint-green { background: linear-gradient(180deg, #F8FDFB 0%, #EEF9F2 100%); }
.section-surface.tint-blue { background: linear-gradient(180deg, #F7FCFF 0%, #EBF7FD 100%); }
.section-head {
  display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 22px;
}
.section-head h2 { margin: 12px 0 0; font-size: clamp(2rem, 3vw, 2.8rem); line-height: 1.1; letter-spacing: -0.04em; }
.grid { display: grid; gap: 20px; }
.grid.cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cards-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card {
  display: flex; flex-direction: column; background: white; border-radius: 22px; overflow: hidden;
}
.card .card-body { padding: 18px 18px 20px; }
.card h3 { margin: 10px 0 10px; font-size: 1.32rem; line-height: 1.2; letter-spacing: -0.03em; }
.card p { margin: 0; color: var(--text-soft); }
.card footer { margin-top: 14px; font-weight: 700; color: var(--accent-green-strong); }
.card:hover { transform: translateY(-2px); transition: 0.22s ease; }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.pill, .tag {
  display: inline-flex; align-items: center; padding: 7px 12px; border-radius: 999px;
  background: var(--surface-green); color: var(--text-main); font-size: 0.88rem;
}
.tag.blue { background: #E5F2FA; }
.tag.mint { background: #E5F5EC; }
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start;
}
.callout {
  border-radius: var(--radius-xl); padding: 28px; background: linear-gradient(180deg, #FFFFFF 0%, #F2FBF7 100%);
}
.callout h3 { margin: 0 0 10px; font-size: 1.7rem; }
.callout p { margin: 0; color: var(--text-soft); }
.info-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.info-grid > article {
  background: white; padding: 20px; border-radius: 20px;
}
.info-grid h3 { margin: 0 0 10px; font-size: 1.1rem; }
.page-hero { padding: 36px 0 10px; }
.page-hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 28px; align-items: center; }
.page-hero-copy { background: white; padding: 34px; border-radius: var(--radius-xl); border: 1px solid var(--border); box-shadow: var(--shadow-soft); }
.flow-list, .simple-list, .footer-links, .sitemap-list {
  list-style: none; padding: 0; margin: 0;
}
.flow-list { display: grid; gap: 14px; }
.flow-list li {
  display: flex; gap: 14px; align-items: start; padding: 16px 18px; background: white; border-radius: 18px; border: 1px solid var(--border);
}
.flow-step {
  flex: 0 0 auto; width: 34px; height: 34px; border-radius: 999px; background: var(--surface-green); color: var(--accent-green-strong);
  display: inline-flex; align-items: center; justify-content: center; font-weight: 800;
}
.simple-list { display: grid; gap: 10px; }
.simple-list li {
  padding: 14px 16px; background: rgba(255,255,255,0.75); border: 1px solid var(--border); border-radius: 16px;
}
.simple-list a:hover { color: var(--accent-green-strong); }
.faq-list { display: grid; gap: 16px; }
.faq-item {
  background: white; border-radius: 20px; padding: 22px;
}
.faq-item h3 { margin: 0 0 10px; font-size: 1.2rem; }
.faq-item p { margin: 0; color: var(--text-soft); }
.site-footer {
  padding: 36px 0 50px;
}
.footer-surface {
  border-radius: 34px; overflow: hidden; background: white;
}
.footer-top {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 0; border-bottom: 1px solid var(--border);
}
.footer-brand { padding: 30px; }
.footer-brand p { color: var(--text-soft); }
.footer-image { min-height: 100%; }
.footer-bottom {
  padding: 26px 30px 32px; display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px;
}
.footer-links li + li,
.sitemap-list li + li { margin-top: 10px; }
.footer-caption { font-size: 0.88rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-soft); margin-bottom: 14px; }
.site-note { font-size: 0.92rem; color: var(--text-soft); margin-top: 18px; }
.notice {
  margin-top: 14px; padding: 14px 16px; border-radius: 16px; background: var(--surface-blue); color: var(--text-main);
}
.sitemap-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.sitemap-card {
  background: white; border-radius: 22px; padding: 22px;
}
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.contact-card {
  background: white; border-radius: 24px; padding: 24px;
}
.contact-form { display: grid; gap: 14px; }
.contact-form label { display: grid; gap: 8px; font-weight: 600; }
.contact-form input,
.contact-form textarea {
  width: 100%; padding: 14px 16px; border-radius: 16px; border: 1px solid var(--border-strong); background: #FCFFFD; font: inherit;
}
.contact-form textarea { min-height: 160px; resize: vertical; }
.badge-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.stat-strip { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; margin-top: 22px; }
.stat-strip .stat {
  background: white; border-radius: 18px; padding: 16px; border: 1px solid var(--border);
}
.stat strong { display: block; font-size: 1.65rem; letter-spacing: -0.04em; }
.stat span { color: var(--text-soft); font-size: 0.95rem; }
@media (max-width: 1080px) {
  .hero-grid, .page-hero-grid, .split, .footer-top, .contact-grid { grid-template-columns: 1fr; }
  .grid.cards-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid.cards-3, .info-grid, .sitemap-grid, .footer-bottom { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 1180px) {
  .site-header { padding: 10px 0; }
  .menu-toggle { display: inline-flex; }
  .header-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas: "brand toggle";
    row-gap: 0;
    min-height: 76px;
  }
  .main-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 8px);
    padding: 0;
    border-top: 0;
    max-height: calc(100vh - 110px);
    overflow: auto;
    display: none;
  }
  .main-nav.is-open { display: block; }
  .main-nav ul {
    display: grid;
    gap: 10px;
    padding: 18px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
  }
  .main-nav a { justify-content: flex-start; padding: 12px 14px; font-size: 0.98rem; }
}
@media (max-width: 780px) {
  .hero-copy, .page-hero-copy, .section-surface, .callout, .footer-brand, .footer-bottom { padding: 24px; }
  .grid.cards-2, .grid.cards-3, .grid.cards-4, .info-grid, .sitemap-grid, .footer-bottom, .stat-strip { grid-template-columns: 1fr; }
  .hero, .page-hero, .section, .site-footer { padding-top: 22px; }
  .brand-subtitle { display: none; }
  .hero h1, .page-hero h1 { font-size: clamp(2.15rem, 10vw, 3rem); }
  .section-head { align-items: start; flex-direction: column; }
}


.breadcrumbs { padding: 18px 0 0; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; color: var(--text-soft); font-size: 0.94rem; }
.breadcrumbs li { display: inline-flex; align-items: center; gap: 10px; }
.breadcrumbs li + li::before { content: "—"; color: var(--border-strong); margin-right: 2px; }
.breadcrumbs a:hover { color: var(--accent-green-strong); }
.article-hero { padding-bottom: 4px; }
.article-hero-copy { background: linear-gradient(180deg, #FFFFFF 0%, #F7FEFA 100%); }
.mini-facts { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; margin-top: 22px; }
.mini-facts div { background: white; border: 1px solid var(--border); border-radius: 18px; padding: 14px 15px; }
.mini-facts strong { display: block; font-size: 1rem; }
.mini-facts span { display: block; color: var(--text-soft); font-size: 0.92rem; margin-top: 4px; }
.article-section { padding-top: 18px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.62fr); gap: 24px; align-items: start; }
.article-main, .article-side { min-width: 0; }
.prose, .sidebar-box { background: white; border: 1px solid var(--border); box-shadow: var(--shadow-soft); border-radius: var(--radius-xl); }
.prose { padding: 30px; }
.prose > *:first-child { margin-top: 0; }
.prose h2 { font-size: clamp(1.8rem, 2.3vw, 2.6rem); line-height: 1.12; letter-spacing: -0.04em; margin: 0 0 16px; }
.prose h3 { font-size: 1.34rem; line-height: 1.2; letter-spacing: -0.03em; margin: 28px 0 12px; }
.prose p { margin: 0 0 16px; color: var(--text-main); }
.prose ul, .prose ol { margin: 0 0 18px; padding-left: 22px; }
.prose li + li { margin-top: 8px; }
.prose .lead-block { font-size: 1.15rem; color: var(--text-soft); }
.prose .section-note { padding: 18px 20px; border-radius: 20px; background: linear-gradient(180deg, #F7FCFF 0%, #EDF8FD 100%); border: 1px solid var(--border); margin: 20px 0; }
.prose .section-note strong { display: block; margin-bottom: 8px; }
.key-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; margin: 18px 0 8px; }
.key-grid article { background: linear-gradient(180deg, #FFFFFF 0%, #F8FDFB 100%); border: 1px solid var(--border); border-radius: 20px; padding: 18px; }
.key-grid h3 { margin: 0 0 8px; font-size: 1.06rem; }
.key-grid p { margin: 0; color: var(--text-soft); }
.sidebar-stack { display: grid; gap: 18px; }
.sidebar-box { padding: 22px; }
.sidebar-box h2, .sidebar-box h3 { margin: 0 0 12px; font-size: 1.15rem; }
.sidebar-box p { margin: 0 0 12px; color: var(--text-soft); }
.sidebar-box ul { margin: 0; padding-left: 18px; }
.sidebar-box li + li { margin-top: 8px; }
.summary-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.summary-list li { padding: 12px 14px; border-radius: 16px; background: #F9FCFA; border: 1px solid var(--border); }
.summary-list strong { display: block; font-size: 0.94rem; margin-bottom: 4px; }
.topic-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.topic-links a { display: block; padding: 13px 14px; background: #F9FCFA; border: 1px solid var(--border); border-radius: 16px; }
.topic-links a:hover { background: var(--surface-green); color: var(--accent-green-strong); }
.contents-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.contents-list a { display: block; padding: 12px 14px; border-radius: 16px; background: #F9FCFA; border: 1px solid var(--border); }
.contents-list a:hover { background: var(--surface-blue); }
.quote-band { margin: 22px 0; padding: 22px 24px; border-radius: 24px; background: linear-gradient(180deg, #F8FDFB 0%, #EEF8F3 100%); border: 1px solid var(--border); font-size: 1.12rem; }
.comparison-table { width: 100%; border-collapse: collapse; margin: 18px 0 6px; overflow: hidden; border-radius: 20px; border-style: hidden; box-shadow: 0 0 0 1px var(--border); }
.comparison-table th, .comparison-table td { padding: 14px 16px; text-align: left; vertical-align: top; border: 1px solid var(--border); }
.comparison-table th { background: #F3FBF7; }
.inline-card-row { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; margin: 18px 0 8px; }
.inline-card-row .mini-card { padding: 18px; border: 1px solid var(--border); border-radius: 20px; background: #FBFEFC; }
.inline-card-row .mini-card h3 { margin: 0 0 8px; font-size: 1.06rem; }
.inline-card-row .mini-card p { margin: 0; color: var(--text-soft); }
.fact-strip { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 12px; margin-top: 14px; }
.fact-strip div { padding: 14px; border-radius: 18px; border: 1px solid var(--border); background: #FAFDFC; }
.fact-strip strong { display: block; font-size: 1.05rem; }
.fact-strip span { display: block; color: var(--text-soft); font-size: 0.9rem; margin-top: 4px; }
@media (max-width: 1080px) {
  .article-layout { grid-template-columns: 1fr; }
  .mini-facts, .fact-strip { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 780px) {
  .prose, .sidebar-box { padding: 22px; }
  .key-grid, .inline-card-row, .mini-facts, .fact-strip { grid-template-columns: 1fr; }
  .breadcrumbs { padding-top: 12px; }
}


/* Release polish — stage 11 */
:focus-visible {
  outline: 3px solid rgba(98, 184, 124, 0.38);
  outline-offset: 3px;
}

a, button, input, textarea { transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease; }

.button, .menu-toggle { cursor: pointer; }
.button:focus-visible, .menu-toggle:focus-visible, .card:focus-visible, .topic-links a:focus-visible, .contents-list a:focus-visible, .footer-links a:focus-visible {
  box-shadow: 0 0 0 4px rgba(122, 207, 154, 0.22);
}

.card, .topic-links a, .contents-list a, .main-nav a, .footer-links a {
  -webkit-tap-highlight-color: transparent;
}

.card:focus-visible {
  transform: translateY(-2px);
}

.hero-copy p, .page-hero p.lead, .section-intro { max-width: 66ch; }
.prose p, .prose li { max-width: 74ch; }
.prose .section-note p, .key-grid p, .inline-card-row .mini-card p, .summary-list li, .topic-links a, .contents-list a { max-width: none; }

.footer-links a { border-radius: 12px; display: inline-block; padding: 2px 0; }
.footer-links a:hover { color: var(--accent-green-strong); }
.footer-links a:focus-visible { color: var(--accent-green-strong); }

.form-status {
  min-height: 1.5em;
  margin: 2px 0 0;
  color: var(--text-soft);
  font-size: 0.95rem;
}
.form-status.is-visible { color: var(--accent-green-strong); }
.contact-form input:focus-visible, .contact-form textarea:focus-visible {
  border-color: var(--accent-green);
  box-shadow: 0 0 0 4px rgba(122, 207, 154, 0.18);
  outline: none;
}

.site-header.is-menu-open { box-shadow: 0 10px 24px rgba(36, 52, 58, 0.08); }

.site-header .container { position: relative; }
.footer-brand h2 { max-width: 18ch; }
.footer-brand p { max-width: 58ch; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}


/* Final release polish — stage 12 */
body { overflow-x: clip; }
img { height: auto; }
.container, .grid > *, .split > *, .footer-top > *, .footer-bottom > *, .article-layout > *, .contact-grid > * { min-width: 0; }
.card-body, .prose, .sidebar-box, .contact-card, .sitemap-card, .section-surface, .hero-copy, .page-hero-copy { min-width: 0; }
h1, h2, h3, .brand-title, .brand-subtitle, .footer-caption, .site-note, .meta-tag, .hero-kicker, .section-kicker { overflow-wrap: anywhere; }
p, li, .summary-list li, .topic-links a, .contents-list a { overflow-wrap: break-word; }
.button { text-align: center; }
.breadcrumbs a, .main-nav a, .footer-links a { text-underline-offset: 0.14em; }
main [id] { scroll-margin-top: 110px; }
.comparison-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.comparison-table tbody, .comparison-table thead, .comparison-table tr { width: 100%; }
@media (max-width: 780px) {
  :root { --container: min(1240px, calc(100% - 24px)); }
  .main-nav { max-height: calc(100vh - 84px); overflow: auto; }
  .hero-copy, .page-hero-copy, .section-surface, .callout, .footer-brand, .footer-bottom, .prose, .sidebar-box, .contact-card, .sitemap-card { border-radius: 22px; }
  .media-frame.section-media { aspect-ratio: 16 / 9; }
  .prose ul, .prose ol { padding-left: 20px; }
}