:root {
  --bg: #f7faf9;
  --surface: #ffffff;
  --surface-strong: #eef6f4;
  --text: #17262b;
  --muted: #52636a;
  --line: #dce8e6;
  --primary: #157f75;
  --primary-dark: #0f5f58;
  --navy: #203447;
  --accent: #e5a33a;
  --shadow: 0 18px 50px rgba(23, 38, 43, 0.12);
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(220, 232, 230, 0.9);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
}

.site-header,
.hero,
.section,
.final-cta,
.site-footer {
  width: 100%;
  max-width: 100vw;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.25;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  min-height: 680px;
  padding: clamp(42px, 7vw, 92px) clamp(18px, 5vw, 72px) clamp(34px, 5vw, 70px);
}

.hero > *,
.checklist > * {
  min-width: 0;
}

.hero-copy {
  min-width: 0;
  max-width: 690px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

h1,
h2,
h3,
p,
li,
summary,
a {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 3.6vw, 48px);
  line-height: 1.14;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(26px, 3.3vw, 42px);
  line-height: 1.25;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: 0;
}

.lead {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--primary);
  color: #fff;
}

.button.primary:hover {
  background: var(--primary-dark);
}

.button.secondary {
  border-color: var(--line);
  background: #fff;
  color: var(--navy);
}

.button.secondary.light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
}

.button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.72;
}

.button[aria-disabled="true"]:hover {
  transform: none;
}

.table-button {
  min-height: 40px;
  padding: 9px 12px;
  background: var(--navy);
  color: #fff;
  font-size: 13px;
  white-space: nowrap;
}

.microcopy {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.hero-media {
  position: relative;
  min-width: 0;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  min-height: 420px;
  max-height: 650px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.section {
  padding: clamp(54px, 8vw, 96px) clamp(18px, 5vw, 72px);
}

.section-heading {
  max-width: 800px;
  margin-bottom: 28px;
}

.section-heading p:not(.eyebrow) {
  margin: 14px 0 0;
  color: var(--muted);
}

.three-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.info-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.info-card p {
  margin: 0;
  color: var(--muted);
}

.icon {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  margin-bottom: 16px;
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--primary-dark);
  font-weight: 900;
}

.highlight-band {
  background: var(--surface-strong);
}

.comparison-table {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 32px rgba(23, 38, 43, 0.08);
}

.table-row {
  display: grid;
  grid-template-columns: 1.1fr 1.3fr 1.6fr 130px;
  border-top: 1px solid var(--line);
}

.table-row:first-child {
  border-top: 0;
}

.table-head {
  background: var(--navy);
  color: #fff;
  font-weight: 800;
}

.table-row > div {
  padding: 18px;
  border-left: 1px solid var(--line);
}

.table-head > div {
  border-left-color: rgba(255, 255, 255, 0.14);
}

.table-row > div:first-child {
  border-left: 0;
}

.table-row strong,
.table-row span {
  display: block;
}

.table-row span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.table-head span {
  color: #fff;
}

.choice-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.choice-list article {
  padding: 24px;
  border-left: 5px solid var(--primary);
  border-radius: 8px;
  background: var(--surface);
}

.choice-list p,
.checklist-copy p {
  margin: 0;
  color: var(--muted);
}

.checklist {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.75fr);
  gap: 28px;
  align-items: center;
  background: #fff;
}

.checklist-copy {
  min-width: 0;
  max-width: 700px;
}

.checklist-copy p {
  margin-top: 14px;
}

.checklist-items {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist-items li {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  font-weight: 700;
}

.faq details {
  border-top: 1px solid var(--line);
  background: transparent;
}

.faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  cursor: pointer;
  padding: 20px 0;
  font-weight: 800;
}

.faq details p {
  margin: 0;
  padding: 0 0 20px;
  color: var(--muted);
}

.final-cta {
  padding: clamp(52px, 8vw, 88px) clamp(18px, 5vw, 72px);
  background: var(--navy);
  color: #fff;
}

.final-cta p {
  max-width: 760px;
}

.final-cta .eyebrow {
  color: #a6ddd5;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(18px, 5vw, 72px);
  background: #0f1d27;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.site-footer p {
  max-width: 760px;
  margin: 0;
}

@media (max-width: 960px) {
  .hero,
  .checklist {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 44px;
  }

  .hero-media img {
    min-height: 320px;
  }

  .three-grid,
  .choice-list {
    grid-template-columns: 1fr;
  }

  .table-row {
    grid-template-columns: 1fr;
  }

  .table-head {
    display: none;
  }

  .table-row > div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .table-row > div:first-child {
    border-top: 0;
  }
}

@media (max-width: 720px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero,
  .section,
  .final-cta {
    overflow: hidden;
    padding-right: 24px;
    padding-left: 24px;
  }

  .hero-copy,
  .hero-media,
  .section-heading,
  .info-card,
  .comparison-table,
  .choice-list article,
  .checklist-copy,
  .checklist-items {
    width: calc(100vw - 48px);
    max-width: calc(100vw - 48px);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .button {
    min-height: 48px;
  }

  h1,
  h2,
  h3,
  p,
  li,
  summary,
  .table-row > div,
  .button {
    white-space: normal !important;
    line-break: anywhere;
    overflow-wrap: anywhere !important;
    word-break: break-all !important;
  }

  h1 {
    font-size: 28px;
    line-height: 1.24;
  }

  h2 {
    font-size: 24px;
    line-height: 1.34;
  }

  .lead {
    font-size: 15px;
  }
}
