:root {
  --navy: #102a43;
  --navy-2: #173a5e;
  --green: #0f6b4f;
  --green-2: #06c755;
  --ink: #1d2730;
  --muted: #607080;
  --line: #dfe7ed;
  --soft: #f4f8f7;
  --pale: #edf4f2;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(18, 45, 70, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--white);
  line-height: 1.75;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px clamp(18px, 4vw, 54px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(223, 231, 237, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-logo {
  display: block;
  flex: 0 0 54px;
  width: 54px;
  height: 32px;
  object-fit: contain;
}

.brand strong {
  display: block;
  color: var(--navy);
  font-size: 15px;
  line-height: 1.25;
}

.brand small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.header-cta,
.line-button,
.fixed-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  color: var(--white);
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
  background: var(--green-2);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(6, 199, 85, 0.28);
}

.header-cta {
  min-height: 42px;
  padding-inline: 18px;
  font-size: 14px;
  white-space: nowrap;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  align-items: stretch;
  min-height: calc(100svh - 70px);
  overflow: hidden;
  background: linear-gradient(135deg, #f8fbfb 0%, #edf5f2 100%);
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background: linear-gradient(90deg, rgba(248, 251, 251, 0.96) 0%, rgba(248, 251, 251, 0.88) 43%, rgba(248, 251, 251, 0.18) 70%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 740px;
  padding: clamp(48px, 8vw, 94px) clamp(22px, 6vw, 82px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(34px, 4.2vw, 54px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0;
}

.hero h1 span {
  display: block;
}

.lead {
  max-width: 650px;
  margin: 22px 0 0;
  color: #354655;
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 600;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  margin-top: 32px;
}

.microcopy {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.trust-row span {
  padding: 8px 12px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.hero-visual {
  position: relative;
  min-height: 460px;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section {
  padding: clamp(64px, 9vw, 108px) clamp(20px, 5vw, 64px);
}

.section-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-heading h2,
.cta-band h2,
.profile-card h2,
.notice-box h2,
.final-cta h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1.35;
  letter-spacing: 0;
}

.section-heading p:last-child {
  margin: 12px 0 0;
  color: var(--muted);
  font-weight: 600;
}

.problem-section,
.support-section,
.faq-section,
.column-teaser-section {
  background: var(--white);
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.check-item {
  position: relative;
  min-height: 104px;
  padding: 22px 18px 18px 46px;
  color: var(--navy);
  font-weight: 700;
  background: var(--soft);
  border: 1px solid #dce9e5;
  border-radius: 8px;
}

.check-item::before {
  position: absolute;
  top: 23px;
  left: 18px;
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  color: var(--white);
  font-size: 13px;
  line-height: 1;
  content: "✓";
  background: var(--green);
  border-radius: 999px;
}

.inline-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 30px;
  padding: 24px;
  background: var(--navy);
  border-radius: 8px;
}

.inline-cta p {
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

.inline-cta-soft {
  background: var(--pale);
  border: 1px solid #dce9e5;
}

.inline-cta-soft p {
  color: #354655;
}

.reason-section,
.case-section,
.new-house-section,
.notice-section {
  background: #f7faf9;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 70px);
  align-items: start;
}

.sticky-heading {
  position: sticky;
  top: 108px;
  margin: 0;
  text-align: left;
}

.reason-list {
  display: grid;
  gap: 18px;
}

.reason-list article,
.content-panel,
.profile-card,
.notice-box {
  padding: clamp(24px, 4vw, 38px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.reason-list span {
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.reason-list h3,
.support-card h3,
.case-card h3 {
  margin: 4px 0 10px;
  color: var(--navy);
  font-size: 20px;
  line-height: 1.45;
}

.reason-list p,
.support-card p,
.case-card p,
.content-panel p,
.profile-card p,
.final-cta p {
  margin: 0;
  color: var(--muted);
  font-weight: 500;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.support-card {
  min-height: 220px;
  padding: 26px 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 34px rgba(18, 45, 70, 0.08);
}

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

.case-card {
  min-height: 230px;
  padding: 28px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.case-card span {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
}

.column-teaser-grid,
.column-list {
  display: grid;
  gap: 16px;
}

.column-teaser-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.column-teaser-grid.column-teaser-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.column-more {
  margin: 24px 0 0;
  text-align: center;
}

.column-more a {
  color: var(--green);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.column-teaser-card,
.column-list-card {
  display: block;
  padding: 24px 22px;
  background: var(--soft);
  border: 1px solid #dce9e5;
  border-radius: 8px;
}

.column-teaser-card span,
.column-list-card span {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
}

.column-teaser-card h3,
.column-list-card h2 {
  margin: 0;
  color: var(--navy);
  font-size: 19px;
  line-height: 1.5;
}

.column-list {
  grid-template-columns: 1fr;
  width: min(860px, 100%);
  margin: 0 auto;
}

.column-list-card {
  background: var(--white);
  box-shadow: 0 10px 34px rgba(18, 45, 70, 0.08);
}

.column-list-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-weight: 500;
}

.column-service-note {
  width: min(860px, 100%);
  margin: 22px auto 0;
  padding: 20px 22px;
  background: var(--pale);
  border: 1px solid #dce9e5;
  border-radius: 8px;
}

.column-service-note p,
.advisor-box p {
  margin: 0;
  color: #354655;
  font-weight: 600;
}

.column-service-note strong,
.advisor-box strong {
  display: block;
  margin-bottom: 6px;
  color: var(--navy);
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(44px, 6vw, 64px) clamp(22px, 7vw, 92px);
  color: var(--white);
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
}

.cta-band h2,
.cta-band .section-kicker {
  color: var(--white);
}

.cta-band h2 {
  max-width: 760px;
}

.plain-list {
  display: grid;
  gap: 10px;
  margin: 22px 0;
  padding: 0;
  list-style: none;
}

.plain-list li {
  padding: 14px 16px;
  color: var(--navy);
  font-weight: 700;
  background: var(--pale);
  border-radius: 8px;
}

.note {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.flow-section {
  background: var(--navy);
}

.flow-section .section-heading h2,
.flow-section .section-heading p:last-child {
  color: var(--white);
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  min-height: 220px;
  padding: 24px 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
}

.flow-list span {
  display: grid;
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  place-items: center;
  color: var(--navy);
  font-weight: 800;
  background: var(--white);
  border-radius: 999px;
}

.flow-list strong {
  display: block;
  color: var(--white);
  font-size: 18px;
  line-height: 1.45;
}

.flow-list p {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  line-height: 1.7;
}

.profile-section {
  background: var(--pale);
}

.profile-card {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

.profile-person {
  grid-template-columns: 132px minmax(0, 1fr);
  align-items: center;
}

.profile-photo {
  width: 132px;
  height: 132px;
  object-fit: cover;
  object-position: center 24%;
  border: 4px solid var(--white);
  border-radius: 999px;
  box-shadow: 0 12px 30px rgba(18, 45, 70, 0.16);
}

.profile-copy h2 {
  margin-bottom: 14px;
}

.profile-copy .profile-quote {
  margin-top: 18px;
  padding: 16px 18px;
  color: var(--navy);
  font-weight: 800;
  background: var(--pale);
  border-left: 4px solid var(--green);
}

.profile-copy .profile-name {
  margin-top: 14px;
  color: var(--navy);
  font-size: 14px;
  font-weight: 800;
}

.scope-list strong {
  color: var(--green);
}

.faq-notice-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr);
  gap: 28px;
  align-items: start;
}

.section-heading-left {
  margin-right: 0;
  margin-left: 0;
  text-align: left;
}

.faq-notice-grid .notice-box {
  position: sticky;
  top: 100px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(18, 45, 70, 0.06);
}

summary {
  position: relative;
  min-height: 68px;
  padding: 20px 58px 20px 22px;
  color: var(--navy);
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  position: absolute;
  top: 50%;
  right: 22px;
  width: 24px;
  height: 24px;
  color: var(--green);
  font-size: 22px;
  line-height: 21px;
  text-align: center;
  content: "+";
  transform: translateY(-50%);
}

details[open] summary::after {
  content: "−";
}

details p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--muted);
}

.notice-box {
  box-shadow: none;
}

.notice-box ul {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding-left: 1.25em;
  color: var(--muted);
  font-weight: 600;
}

.final-cta {
  padding: clamp(68px, 9vw, 112px) 22px;
  color: var(--white);
  text-align: center;
  background: linear-gradient(135deg, #0d253d 0%, #124834 100%);
}

.final-cta .section-kicker,
.final-cta h2,
.final-cta p {
  color: var(--white);
}

.final-cta p {
  width: min(700px, 100%);
  margin: 18px auto 30px;
  color: rgba(255, 255, 255, 0.78);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 34px clamp(22px, 5vw, 64px) 98px;
  color: rgba(255, 255, 255, 0.78);
  background: #0b1722;
}

.site-footer strong {
  display: block;
  color: var(--white);
  margin-bottom: 8px;
}

.site-footer p,
.site-footer small {
  margin: 0;
  font-size: 13px;
}

.fixed-line {
  display: none;
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  min-width: 220px;
}

.column-hero {
  padding: clamp(64px, 10vw, 116px) clamp(20px, 5vw, 64px);
  background: linear-gradient(135deg, #f8fbfb 0%, #edf5f2 100%);
}

.column-hero-inner {
  width: min(900px, 100%);
  margin: 0 auto;
}

.column-hero h1,
.article-header h1 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.25;
  letter-spacing: 0;
}

.column-hero p:last-child,
.article-lead {
  margin: 20px 0 0;
  color: #354655;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 600;
  line-height: 1.9;
}

.article {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: clamp(34px, 6vw, 76px) clamp(18px, 5vw, 34px) clamp(70px, 9vw, 112px);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.breadcrumb a {
  color: var(--green);
}

.article-header {
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.article-header time {
  display: block;
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.article-body {
  width: min(760px, 100%);
  margin: 38px auto 0;
}

.article-body p,
.article-body li {
  color: #354655;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.95;
}

.article-body p {
  margin: 0 0 20px;
}

.article-body h2 {
  margin: 42px 0 14px;
  color: var(--navy);
  font-size: clamp(23px, 2.8vw, 30px);
  line-height: 1.45;
}

.article-body ul {
  margin: 0 0 22px;
  padding-left: 1.25em;
}

.article-note,
.advisor-box,
.article-related,
.article-cta,
.article-sources {
  margin: 38px 0;
  padding: clamp(22px, 4vw, 34px);
  border-radius: 8px;
}

.article-note {
  background: var(--soft);
  border: 1px solid #dce9e5;
}

.advisor-box {
  background: #f7faf9;
  border: 1px solid var(--line);
}

.article-note h2,
.article-related h2,
.article-cta h2,
.article-sources h2 {
  margin-top: 0;
}

.article-related {
  background: #ffffff;
  border: 1px solid var(--line);
}

.article-related ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-related a {
  display: block;
  padding: 16px 18px;
  border: 1px solid #dce9e5;
  border-radius: 8px;
  background: #f7faf9;
  text-decoration: none;
}

.article-related strong,
.article-related span {
  display: block;
}

.article-related strong {
  color: var(--navy);
  font-size: 16px;
  line-height: 1.55;
}

.article-related span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.65;
}

.article-cta {
  color: var(--white);
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
}

.article-cta h2,
.article-cta p {
  color: var(--white);
}

.article-cta p {
  color: rgba(255, 255, 255, 0.78);
}

.article-cta .line-hint {
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
  line-height: 1.75;
}

.service-secondary-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--white);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-sources {
  background: #f7faf9;
  border: 1px solid var(--line);
}

.article-sources a {
  color: var(--green);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.compact-cta {
  padding-block: clamp(56px, 7vw, 84px);
}

@media (max-width: 980px) {
  .hero {
    display: block;
    min-height: 0;
  }

  .hero::before {
    background: linear-gradient(180deg, rgba(248, 251, 251, 0.98) 0%, rgba(248, 251, 251, 0.95) 58%, rgba(248, 251, 251, 0.1) 100%);
  }

  .hero-copy {
    min-height: 640px;
    padding-top: 56px;
    padding-bottom: 330px;
  }

  .hero-visual {
    position: absolute;
    inset: auto 0 0;
    height: 360px;
    min-height: 0;
  }

  .hero-visual img {
    object-position: center bottom;
  }

  .check-grid,
  .case-grid,
  .support-grid,
  .column-teaser-grid,
  .column-teaser-grid.column-teaser-three {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .two-column,
  .profile-card,
  .faq-notice-grid {
    grid-template-columns: 1fr;
  }

  .faq-notice-grid .notice-box {
    position: static;
  }

  .sticky-heading {
    position: static;
  }

  .flow-list {
    grid-template-columns: 1fr;
  }

  .flow-list li {
    min-height: 0;
  }

  .cta-band {
    align-items: flex-start;
    flex-direction: column;
  }

  .inline-cta {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  body {
    padding-bottom: 74px;
    line-height: 1.7;
  }

  .site-header {
    padding: 10px 14px;
  }

  .brand-logo {
    flex-basis: 44px;
    width: 44px;
    height: 26px;
  }

  .brand strong {
    font-size: 13px;
  }

  .brand small {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .hero-copy {
    min-height: 590px;
    padding: 36px 20px 270px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero h1 span {
    display: inline;
  }

  .lead {
    font-size: 16px;
    line-height: 1.7;
  }

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

  .trust-row span {
    width: 100%;
    padding: 7px 10px;
    font-size: 12px;
    border-radius: 8px;
  }

  .hero-visual {
    height: 280px;
  }

  .section {
    padding: 42px 18px;
  }

  .section-heading {
    margin-bottom: 24px;
    text-align: left;
  }

  .check-grid,
  .case-grid,
  .support-grid,
  .column-teaser-grid,
  .column-teaser-grid.column-teaser-three {
    grid-template-columns: 1fr;
  }

  .check-item {
    min-height: auto;
    padding: 15px 14px 15px 42px;
    font-size: 14px;
    line-height: 1.55;
  }

  .check-item::before {
    top: 16px;
    left: 14px;
  }

  .support-card {
    min-height: auto;
    padding: 20px 18px;
  }

  .cta-band {
    padding: 42px 18px;
  }

  .profile-card,
  .reason-list article,
  .content-panel,
  .notice-box {
    padding: 20px 18px;
  }

  .profile-person {
    justify-items: start;
    gap: 22px;
  }

  .profile-photo {
    width: 104px;
    height: 104px;
  }

  .inline-cta {
    margin-top: 24px;
    padding: 18px;
  }

  .inline-cta .line-button {
    width: 100%;
  }

  .reason-list,
  .support-grid,
  .flow-list {
    gap: 10px;
  }

  .flow-list li {
    padding: 18px;
  }

  .flow-list span {
    margin-bottom: 10px;
  }

  .flow-list strong {
    font-size: 16px;
  }

  .flow-list p {
    margin-top: 6px;
  }

  .plain-list {
    gap: 6px;
    margin: 18px 0;
  }

  .plain-list li {
    padding: 10px 12px;
    font-size: 14px;
  }

  .column-teaser-card {
    padding: 18px;
  }

  summary {
    min-height: 60px;
    padding: 16px 52px 16px 18px;
  }

  details p {
    padding: 0 18px 18px;
  }

  .final-cta {
    padding: 54px 18px;
  }

  .final-cta p {
    margin: 14px auto 22px;
  }

  .site-footer {
    display: block;
    padding: 28px 18px 96px;
  }

  .site-footer small {
    display: block;
    margin-top: 14px;
  }

  .fixed-line {
    display: inline-flex;
    right: 14px;
    bottom: 12px;
    left: 14px;
    width: auto;
    min-width: 0;
    min-height: 54px;
  }

  .fixed-line.page-fixed {
    display: none;
  }

  .fixed-line.page-fixed.is-visible {
    display: inline-flex;
  }
}