:root {
  --color-bg: #f6f8fb;
  --color-white: #ffffff;
  --color-text: #1b2430;
  --color-text-light: #5b6675;
  --color-primary: #1f3c88;
  --color-primary-dark: #162d67;
  --color-border: #dbe2ea;
  --color-accent: #e8eefc;
  --shadow-soft: 0 12px 40px rgba(18, 38, 63, 0.08);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --container-width: 1200px;
  --transition: 0.3s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.75;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: min(100% - 32px, var(--container-width));
  margin: 0 auto;
}

.section-label {
  margin: 0 0 12px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 48px;
}

.section-heading h2 {
  margin: 0 0 16px;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.3;
}

.section-heading p {
  margin: 0;
  color: var(--color-text-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform var(--transition), background-color var(--transition), color var(--transition), border-color var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

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

.btn-secondary {
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  color: var(--color-primary);
  font-weight: 700;
}

.text-link::after {
  content: "→";
}

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition), border-color var(--transition), padding var(--transition);
}

.site-header.is-scrolled {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  border-color: rgba(219, 226, 234, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  gap: 24px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  flex-shrink: 0;
  text-decoration: none;
}

.site-logo img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.site-logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.site-logo-text strong {
  display: block;
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-text);
  white-space: nowrap;
}

.site-logo-text span {
  display: block;
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.4;
  color: var(--color-text-light);
  white-space: nowrap;
}

.global-nav__list {
  display: flex;
  gap: 18px;
  align-items: center;
}

.global-nav__list a {
  font-weight: 500;
  font-size: 0.96rem;
  color: var(--color-text-light);
}

.global-nav__list a:hover {
  color: var(--color-primary);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  width: 28px;
  height: 2px;
  background: var(--color-text);
  border-radius: 999px;
}

/* hero */
.hero {
  padding: 72px 0 64px;
  background:
    radial-gradient(circle at top left, rgba(31, 60, 136, 0.08), transparent 35%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-title {
  margin: 0 0 20px;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hero-text {
  margin: 0;
  max-width: 640px;
  color: var(--color-text-light);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

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

.hero-badges li {
  padding: 8px 12px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.92rem;
  color: var(--color-text-light);
}

.hero-visual {
  position: relative;
}

.hero-visual__card {
  overflow: hidden;
  border-radius: 32px;
  background: #dfe7f2;
  box-shadow: var(--shadow-soft);
}

.hero-visual__card img {
  width: 100%;
  height: 560px;
  object-fit: cover;
  object-position: right center;
}

.hero-floating {
  position: absolute;
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
  font-weight: 700;
  color: var(--color-primary);
}

.hero-floating--top {
  top: 24px;
  left: -24px;
}

.hero-floating--bottom {
  right: -18px;
  bottom: 24px;
}

/* trust */
.trust-strip {
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-white);
}

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

.trust-strip__list li {
  text-align: center;
  font-weight: 700;
  color: var(--color-text-light);
}

/* sections */
.intro,
.problems,
.strengths,
.service-list,
.profile,
.faq,
.contact {
  padding: 96px 0;
}

.problems,
.faq {
  background: var(--color-bg);
}

/* service gate */
.service-gate {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-gate__card {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.service-gate__card--primary {
  background: linear-gradient(180deg, #1f3c88 0%, #2247a1 100%);
  color: var(--color-white);
  border: none;
}

.service-gate__card--primary p,
.service-gate__card--primary li,
.service-gate__card--primary .service-gate__eyebrow {
  color: rgba(255, 255, 255, 0.9);
}

.service-gate__card h3 {
  margin: 0 0 12px;
  font-size: 1.5rem;
  line-height: 1.4;
}

.service-gate__eyebrow {
  margin: 0 0 8px;
  font-weight: 700;
  color: var(--color-primary);
}

.service-gate__card p {
  margin: 0 0 16px;
  color: var(--color-text-light);
}

.service-gate__card ul {
  display: grid;
  gap: 10px;
}

.service-gate__card li {
  position: relative;
  padding-left: 20px;
  color: var(--color-text-light);
}

.service-gate__card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

/* problems */
.problem-grid,
.strength-grid,
.service-list__grid {
  display: grid;
  gap: 24px;
}

.problem-grid {
  grid-template-columns: repeat(2, 1fr);
}

.problem-card,
.strength-card,
.service-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--color-white);
  border: 1px solid var(--color-border);
}

.problem-card h3,
.strength-card h3,
.service-card h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
  line-height: 1.5;
}

.problem-card p,
.strength-card p,
.service-card p {
  margin: 0;
  color: var(--color-text-light);
}

/* strengths */
.strength-grid {
  grid-template-columns: repeat(2, 1fr);
}

.strength-card {
  position: relative;
  box-shadow: var(--shadow-soft);
}

.strength-card__number {
  margin-bottom: 20px;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--color-primary);
}

/* service cards */
.service-list__grid {
  grid-template-columns: repeat(4, 1fr);
}

/* profile */
.profile-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.profile-image img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: right center;
  border-radius: 28px;
  background: #dfe7f2;
}

.profile-name {
  margin: 0 0 16px;
  font-size: 1.2rem;
  font-weight: 700;
}

.profile-content p {
  color: var(--color-text-light);
}

.profile-points {
  display: grid;
  gap: 10px;
  margin: 24px 0 32px;
}

.profile-points li {
  position: relative;
  padding-left: 24px;
}

.profile-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-primary);
  font-weight: 800;
}

/* faq */
.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item {
  padding: 24px 28px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  border: 1px solid var(--color-border);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  position: relative;
  padding-right: 32px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--color-primary);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 16px 0 0;
  color: var(--color-text-light);
}

/* contact */
.contact-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 40px;
  border-radius: 28px;
  background: linear-gradient(135deg, #f5f8ff 0%, #edf2ff 100%);
  border: 1px solid var(--color-border);
}

.contact-content h2 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.contact-content p {
  margin: 0;
  color: var(--color-text-light);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* floating cta */
.floating-cta {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 999;
}

.floating-cta__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  box-shadow: var(--shadow-soft);
}

/* footer */
.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-white);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.site-footer__title {
  margin: 0 0 8px;
  font-weight: 800;
}

.site-footer__text,
.site-footer__copy {
  margin: 0;
  color: var(--color-text-light);
}

/* responsive */
@media (max-width: 1024px) {
  .hero-inner,
  .profile-inner,
  .service-gate,
  .strength-grid,
  .service-list__grid {
    grid-template-columns: 1fr;
  }

  .problem-grid {
    grid-template-columns: 1fr 1fr;
  }

  .trust-strip__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-visual__card img,
  .profile-image img {
    height: 420px;
  }

  .contact-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .site-logo img {
    width: 40px;
    height: 40px;
  }

  .site-logo-text strong {
    font-size: 0.98rem;
    white-space: normal;
  }

  .site-logo-text span {
    font-size: 0.76rem;
    white-space: normal;
  }
  .header-inner {
    min-height: 72px;
  }

  .menu-toggle {
    display: flex;
  }

  .global-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    padding: 16px;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    display: none;
  }

  .global-nav.is-open {
    display: block;
  }

  .global-nav__list {
    flex-direction: column;
    gap: 12px;
  }

  .hero {
    padding-top: 40px;
  }

  .hero-floating {
    display: none;
  }

  .problem-grid,
  .trust-strip__list {
    grid-template-columns: 1fr;
  }

  .intro,
  .problems,
  .strengths,
  .service-list,
  .profile,
  .faq,
  .contact {
    padding: 72px 0;
  }

  .service-gate__card,
  .problem-card,
  .strength-card,
  .service-card,
  .faq-item {
    padding: 24px;
  }

  .floating-cta {
    left: 16px;
    right: 16px;
    bottom: 16px;
  }

  .floating-cta__button {
    width: 100%;
  }

  .footer-inner {
    flex-direction: column;
  }
}

/* fee */
.fee {
  padding: 96px 0;
  background: var(--color-white);
}

.fee-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.fee-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.fee-card h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
  line-height: 1.5;
}

.fee-card p {
  margin: 0;
  color: var(--color-text-light);
}

@media (max-width: 1024px) {
  .fee-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .site-logo img {
    width: 40px;
    height: 40px;
  }

  .site-logo-text strong {
    font-size: 0.98rem;
    white-space: normal;
  }

  .site-logo-text span {
    font-size: 0.76rem;
    white-space: normal;
  }

  .header-inner {
    min-height: 72px;
    gap: 12px;
    position: relative;
  }

  .menu-toggle {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(16px);
  }

  .menu-toggle span {
    width: 20px;
    height: 2px;
    margin: 3px 0;
    background: #1f2937;
    border-radius: 999px;
  }

  .global-nav {
    position: absolute;
    top: calc(100% - 4px);
    right: 0;
    left: auto;
    width: min(320px, calc(100vw - 32px));
    padding: 12px;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 18px;
    box-shadow: 0 18px 48px rgba(15, 23, 42, 0.16);
    backdrop-filter: blur(20px);
    display: none;
    z-index: 1000;
  }

  .global-nav.is-open {
    display: block;
  }

  .global-nav__list {
    flex-direction: column;
    gap: 4px;
    align-items: stretch;
  }

  .global-nav__list a {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 0.98rem;
    line-height: 1.5;
  }

  .global-nav__list a:hover {
    background: #f5f7fb;
    color: var(--color-primary);
  }

  .hero {
    padding-top: 40px;
  }

  .hero-floating {
    display: none;
  }

  .problem-grid,
  .trust-strip__list,
  .strength-grid,
  .service-grid,
  .fee-grid {
    grid-template-columns: 1fr;
  }

  .intro,
  .problems,
  .strengths,
  .service-list,
  .profile,
  .faq,
  .contact,
  .fee {
    padding: 72px 0;
  }

  .service-gate__card,
  .problem-card,
  .strength-card,
  .service-card,
  .faq-item,
  .fee-card {
    padding: 24px;
  }

  .floating-cta {
    left: 16px;
    right: 16px;
    bottom: 16px;
  }

  .floating-cta__button {
    width: 100%;
  }

  .footer-inner {
    flex-direction: column;
  }
}

/* modern refinement */
body {
  background:
    radial-gradient(circle at top left, rgba(31, 60, 136, 0.05), transparent 28%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 18%, #f9fbff 100%);
}

.section-heading h2,
.hero-title {
  letter-spacing: -0.03em;
}

.site-header {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.service-gate__card,
.problem-card,
.strength-card,
.service-card,
.fee-card,
.faq-item,
.profile-inner,
.contact-inner {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow:
    0 12px 40px rgba(15, 23, 42, 0.08),
    0 1px 0 rgba(255, 255, 255, 0.65) inset;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.service-gate__card,
.problem-card,
.strength-card,
.service-card,
.fee-card,
.faq-item {
  border-radius: 24px;
}

.profile-inner,
.contact-inner {
  border-radius: 28px;
}

.problem-card:hover,
.strength-card:hover,
.service-card:hover,
.fee-card:hover,
.faq-item:hover,
.service-gate__card:hover {
  transform: translateY(-3px);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
  box-shadow:
    0 18px 48px rgba(15, 23, 42, 0.12),
    0 1px 0 rgba(255, 255, 255, 0.7) inset;
}

.hero-badges li {
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.btn {
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.btn-primary {
  background: linear-gradient(135deg, #2749a3 0%, #1f3c88 100%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.faq-item {
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 32px;
  font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.2rem;
  line-height: 1;
  color: var(--color-primary);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p + p {
  margin-top: 12px;
}

.floating-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1100;
}

.floating-cta__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, #2749a3 0%, #1f3c88 100%);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 20px 40px rgba(31, 60, 136, 0.28);
}

.floating-cta__button:hover {
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .service-gate__card,
  .problem-card,
  .strength-card,
  .service-card,
  .fee-card,
  .faq-item,
  .profile-inner,
  .contact-inner {
    border-radius: 20px;
  }
}

/* primary service card restore */
.service-gate__card--primary {
  background: linear-gradient(180deg, #5f7fbe 0%, #4f70b3 100%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    0 16px 40px rgba(79, 112, 179, 0.18),
    0 1px 0 rgba(255, 255, 255, 0.18) inset;
}

.service-gate__card--primary,
.service-gate__card--primary h3,
.service-gate__card--primary p,
.service-gate__card--primary ul,
.service-gate__card--primary li,
.service-gate__card--primary .service-gate__eyebrow,
.service-gate__card--primary .text-link,
.service-gate__card--primary .text-link::after {
  color: #ffffff;
}

.service-gate__card--primary li::before {
  background: rgba(255, 255, 255, 0.9);
}