:root {
  --color-primary: #0066ff;
  --color-secondary: #00d4aa;
  --color-accent: #ff7a45;
  --color-text: #1f2a3d;
  --color-muted: #5b6675;
  --color-light: #f5f7fb;
  --color-muted-bg: #eef2f8;
  --color-white: #ffffff;
  --max-width: 1100px;
  --radius-large: 24px;
  --radius-medium: 16px;
  --shadow-soft: 0 24px 60px -30px rgba(15, 45, 89, 0.35);
  --font-body: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  --font-heading: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-white);
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

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

.section {
  padding: clamp(64px, 12vw, 104px) 0;
  position: relative;
}

.section--accent {
  background: linear-gradient(165deg, rgba(0, 212, 170, 0.12) 0%, rgba(0, 102, 255, 0.1) 100%);
}

.section--muted {
  background-color: var(--color-light);
}

.section--light {
  background-color: var(--color-white);
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1.4;
  margin: 0 0 32px;
  text-align: center;
}

.section h3 {
  text-align: center;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text);
}

.brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(140deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  font-weight: 700;
  letter-spacing: 0.05em;
  font-size: 18px;
}

.brand__mark--footer {
  width: 38px;
  height: 38px;
  font-size: 16px;
}


.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 14px;
  line-height: 1.25;
  max-width: 200px;
}

.brand__text strong {
  font-size: 17px;
  letter-spacing: 0.02em;
}

.header-cta {
  margin-left: 24px;
  white-space: nowrap;
  font-size: 14px;
  padding: 10px 22px;
  min-width: 140px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
}

.global-nav ul {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 15px;
  font-weight: 600;
}

.global-nav {
  margin-left: auto;
}

.global-nav a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  transition: color 0.25s ease;
}

.global-nav a:hover,
.global-nav a:focus-visible {
  color: var(--color-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, color 0.25s ease;
  text-align: center;
}

.btn--primary {
  background: linear-gradient(135deg, #ff8a5a, var(--color-accent));
  color: var(--color-white);
  box-shadow: 0 20px 40px -24px rgba(255, 122, 69, 0.6);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 28px 52px -20px rgba(255, 122, 69, 0.65);
}

.btn--ghost {
  border-color: rgba(255, 255, 255, 0.6);
  background-color: transparent;
  color: var(--color-white);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background-color: rgba(255, 255, 255, 0.2);
}

.btn--block {
  width: 100%;
}


/* Hero */
.hero__inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(32px, 6vw, 64px);
  align-items: center;
}

.hero__label {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  background-color: rgba(255, 255, 255, 0.7);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.3;
}

.hero__lead {
  color: var(--color-muted);
  margin: 0 0 24px;
  font-size: 17px;
}

.hero__cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.hero__note {
  font-size: 14px;
  color: var(--color-muted);
}

.hero__trust {
  font-size: 13px;
  color: var(--color-muted);
}

.hero__visual {
  position: relative;
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  background-color: var(--color-white);
}

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

.hero__visual figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 12px 18px;
  background-color: rgba(255, 255, 255, 0.85);
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.step-card {
  border-radius: var(--radius-medium);
  padding: 32px 28px;
  background-color: var(--color-light);
  border: 1px solid rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: center;
  text-align: center;
}

.step-card__icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.step-card__media {
  width: 96px;
  height: 96px;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-card__media img {
  width: 96px;
  height: 96px;
  object-fit: contain;
  filter: drop-shadow(0 12px 24px rgba(15, 45, 89, 0.1));
}

.steps-note {
  margin-top: 24px;
  font-size: 14px;
  color: var(--color-muted);
  text-align: center;
}

/* Challenge */
.challenge {
  display: grid;
  gap: 32px;
}

.challenge__intro p {
  margin: 12px 0 0;
  color: var(--color-muted);
}

.challenge__cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.challenge-card {
  background-color: var(--color-white);
  border-radius: var(--radius-medium);
  padding: 24px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 14px 30px -24px rgba(31, 42, 61, 0.35);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
}

.challenge-card__media {
  margin: 0;
  width: 88px;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.challenge-card__media img {
  width: 88px;
  height: 88px;
  object-fit: contain;
  filter: drop-shadow(0 12px 24px rgba(15, 45, 89, 0.12));
}

.challenge__closing {
  font-size: 14px;
  color: var(--color-muted);
  text-align: center;
}

/* Cost */
.cost-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-medium);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.cost-table th,
.cost-table td {
  padding: 18px 20px;
  background-color: var(--color-white);
}

.cost-table thead th {
  background-color: var(--color-muted-bg);
  text-align: left;
  font-weight: 700;
}

.cost-table tbody tr + tr td,
.cost-table tbody tr + tr th {
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.cost__table-wrapper--single {
  max-width: 720px;
  margin: 0 auto;
}

.cost__note,
.cost__note--single {
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-muted);
  text-align: center;
}

/* Benefits */
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.benefit-card {
  padding: 28px;
  border-radius: var(--radius-medium);
  border: 1px solid rgba(0, 0, 0, 0.04);
  background-color: var(--color-white);
  box-shadow: 0 20px 50px -32px rgba(0, 102, 255, 0.35);
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  text-align: center;
}

.benefit-card__media {
  margin: 0;
  width: 92px;
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.benefit-card__media img {
  width: 92px;
  height: 92px;
  object-fit: contain;
  filter: drop-shadow(0 12px 24px rgba(15, 45, 89, 0.12));
}

.benefit-note {
  margin-top: 24px;
  text-align: center;
  font-size: 14px;
  color: var(--color-muted);
}

/* Trust */
.trust {
  background: linear-gradient(175deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 212, 170, 0.08) 100%);
}

.trust__content {
  border-radius: var(--radius-large);
  background-color: rgba(255, 255, 255, 0.86);
  padding: clamp(28px, 6vw, 48px);
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: var(--shadow-soft);
}

.trust-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.trust-list li {
  position: relative;
  padding-left: 30px;
  font-weight: 500;
}

.trust-list li::before {
  content: "✔";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-secondary);
  font-weight: 700;
}

.trust__note {
  margin-top: 24px;
  font-size: 14px;
  color: var(--color-muted);
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.pricing-grid--styled {
  gap: 32px;
}

.pricing-card {
  position: relative;
  border-radius: var(--radius-medium);
  background-color: var(--color-white);
  padding: 36px 28px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 24px 56px -36px rgba(31, 42, 61, 0.45);
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.pricing-card::before,
.pricing-card::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.85;
  pointer-events: none;
  transition: transform 0.4s ease;
}

.pricing-card::before {
  background: radial-gradient(circle at 15% 0%, rgba(0, 102, 255, 0.18), transparent 65%);
  transform: translateY(-8%);
}

.pricing-card::after {
  background: radial-gradient(circle at 85% 100%, rgba(0, 212, 170, 0.18), transparent 70%);
  transform: translateY(8%);
}

.pricing-card--light::before {
  background: radial-gradient(circle at 10% 0%, rgba(0, 102, 255, 0.22), transparent 65%);
}

.pricing-card--standard::after {
  background: radial-gradient(circle at 90% 100%, rgba(0, 212, 170, 0.24), transparent 70%);
}

.pricing-card--premium::before {
  background: radial-gradient(circle at 10% 0%, rgba(255, 138, 90, 0.25), transparent 70%);
}

.pricing-card--premium::after {
  background: radial-gradient(circle at 85% 100%, rgba(0, 102, 255, 0.18), transparent 65%);
}

.pricing-card:hover::before,
.pricing-card:hover::after {
  transform: translateY(0);
}

.pricing-card__count {
  margin: 0 0 6px;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
}

.pricing-card__meta {
  margin: 0 0 12px;
  font-size: 13px;
  color: rgba(31, 42, 61, 0.55);
}

.pricing-card__price {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.pricing-card__price-suffix {
  font-size: 18px;
  font-weight: 600;
  margin-left: 4px;
}

.pricing-footnote {
  margin: 40px auto 0;
  max-width: 720px;
  text-align: center;
  background-color: var(--color-light);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: var(--radius-medium);
  padding: 36px 36px 32px;
  box-shadow: 0 18px 40px -28px rgba(31, 42, 61, 0.28);
  display: grid;
  gap: 22px;
}

.pricing-footnote__content {
  display: grid;
  gap: 16px;
}

.pricing-footnote h3 {
  margin: 0;
  font-size: 18px;
  color: var(--color-text);
}

.pricing-footnote ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  font-size: 14px;
  color: var(--color-muted);
}

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

.faq-item {
  border-radius: var(--radius-medium);
  border: 1px solid rgba(0, 0, 0, 0.08);
  background-color: var(--color-light);
  padding: 0 20px;
  box-shadow: 0 18px 40px -28px rgba(31, 42, 61, 0.4);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 0;
  font-weight: 700;
  position: relative;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  transition: transform 0.25s ease;
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-item__content {
  padding: 0 0 20px;
  color: var(--color-muted);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  margin-top: 12px;
  font-size: 14px;
}


/* Contact Page */
.contact-hero {
  text-align: center;
}

.contact-hero__lead {
  margin: 12px auto 0;
  max-width: 680px;
  font-size: 16px;
  color: var(--color-muted);
}

.contact-form-wrapper {
  max-width: 640px;
  margin: 0 auto;
  padding: 32px 24px;
  background-color: var(--color-white);
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-soft);
}

/* CTA */
.cta__inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  align-items: center;
}

.cta__text h2 {
  margin: 0 0 16px;
  font-size: clamp(26px, 4vw, 36px);
}

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

.cta__action {
  display: grid;
  gap: 16px;
}

.cta__note {
  font-size: 13px;
  color: var(--color-muted);
  opacity: 1;
  margin: 0;
  text-align: center;
}

.cta__note--dark {
  color: #1f2a3d !important;
}

/* Footer */
.site-footer {
  background-color: #0f1f33;
  color: rgba(255, 255, 255, 0.86);
  padding: 48px 0 32px;
}

.footer__inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-bottom: 36px;
}

.footer__brand p {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.footer__heading {
  font-size: 16px;
  margin: 0 0 16px;
  color: #fff;
}

.footer__info ul,
.footer__links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.85);
}

.footer__links a:hover,
.footer__links a:focus-visible {
  color: #fff;
}

.footer__info a {
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.25s ease;
}

.footer__info a:hover,
.footer__info a:focus-visible {
  color: #fff;
}

.footer__bottom {
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero__inner,
  .steps-grid,
  .challenge__cards,
  .cost__grid,
  .benefit-grid,
  .pricing-grid,
  .cta__inner,
  .footer__inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

}

@media (max-width: 860px) {
  .global-nav {
    display: none;
  }

  .brand {
    flex: 1 1 auto;
  }

  .header-cta {
    margin-left: auto;
    font-size: 14px;
    padding: 8px 20px;
    min-width: 130px;
    border-radius: 14px;
    flex: 0 0 auto;
  }

  .brand__text {
    font-size: 12.5px;
    max-width: 170px;
    line-height: 1.3;
  }

  .brand__text strong {
    font-size: 14.5px;
  }

  .brand__mark {
    width: 36px;
    height: 36px;
  }

  .header__inner {
    padding: 10px 0;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
  }

  .hero__inner,
  .steps-grid,
  .challenge__cards,
  .cost__grid,
  .benefit-grid,
  .pricing-grid,
  .cta__inner,
  .footer__inner {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    order: -1;
  }

}


@media (max-width: 600px) {
  .contact-form-wrapper {
    padding: 24px 20px;
  }

  .contact-hero__lead {
    font-size: 15px;
  }

  .header__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }

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

  .brand__mark {
    width: 32px;
    height: 32px;
  }

  .brand__text {
    font-size: 13px;
    line-height: 1.3;
    max-width: 60vw;
  }

  .brand__text strong {
    font-size: 15px;
  }

  .header-cta {
    width: auto;
    min-width: 120px;
    padding: 8px 18px;
  }
}