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

html, body, h1, h2, h3, h4, p, ul, li, figure {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  font-family: var(--font-jp);
  color: var(--color-text-dark);
  line-height: 1.6;
  background: var(--color-white);
}

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

ul {
  list-style: none;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

/* ==========================================================================
   Design tokens
   ========================================================================== */
:root {
  /* Colors */
  --color-bg-dark: #141927;       /* header / dark surfaces */
  --color-text-dark: #1e293b;     /* body copy */
  --color-primary: #2545e5;       /* brand blue / CTAs */
  --color-heading-blue: #00258b;  /* section headings, case titles */
  --color-badge-bg: #ebf3ff;      /* CASE badge background */
  --color-border: #e1e1e1;        /* card borders */
  --color-white: #ffffff;
  --color-overlay-dark: rgba(36, 38, 40, 0.4);
  --color-surface-subtle: #f8fafc;   /* Features section bg / Benefits stat card bg */
  --color-tag-bg: #f7f7f7;           /* Feature tag pill background */
  --color-tag-text: #424242;         /* Feature tag pill text */
  --color-stat-border: #e2e8f0;      /* Benefits stat card border */
  --color-success: #26942e;          /* Benefits stat value (positive change) */
  --color-text-secondary: #656565;   /* Footnotes / secondary captions */
  --color-feature-panel-bg: #ebeef4; /* Feature visual panel background (device mockup) */
  --color-tag-issue-bg: #fff3e0;     /* CaseStudies "課題" pill background */
  --color-tag-issue-text: #b84300;   /* CaseStudies "課題" pill text */
  --color-tag-result-bg: #ecfdeb;    /* CaseStudies "導入後の効果" pill background */
  --color-tag-result-text: #1d7324;  /* CaseStudies "導入後の効果" pill text */
  --color-footer-bg: #212121;        /* Footer background (distinct from --color-bg-dark) */
  --color-footer-border: #444444;    /* Footer top border */

  /* Gradients */
  --gradient-pain-points: linear-gradient(120deg, #f1f4f9 5%, #d7dde8 93%);

  /* Typography */
  --font-jp: "Noto Sans JP", sans-serif;
  --font-en: "Barlow", sans-serif;

  /* Spacing scale */
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;
  --space-40: 40px;
  --space-64: 64px;
  --space-80: 80px;
  --space-100: 100px;

  /* Radius */
  --radius-full: 9999px;
  --radius-lg: 10px;
  --radius-xl: 16px;

  /* Shadows */
  --shadow-card: 0 4px 4px rgba(0, 37, 73, 0.05);
  --shadow-cta: 0 4px 2px rgba(0, 0, 0, 0.25);
  --shadow-text: 0 4px 4px rgba(0, 0, 0, 0.4);

  /* Breakpoints (reference only, used in comments): 600px tablet / 1024px desktop */
}

/* ==========================================================================
   Layout helpers
   ========================================================================== */
.container {
  width: 100%;
  margin-inline: auto;
  padding-inline: 16px;
}

@media (min-width: 600px) {
  .container {
    padding-inline: 40px;
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 1280px;
    padding-inline: 80px;
  }
}

.icon {
  display: block;
  flex-shrink: 0;
}

.icon-24 {
  width: 24px;
  height: 24px;
}

.icon-32 {
  width: 32px;
  height: 32px;
}

.icon-6 {
  width: 6px;
  height: 6px;
}

.icon-20 {
  width: 20px;
  height: 20px;
}

.section-heading {
  font-family: var(--font-jp);
  font-weight: 500;
  color: var(--color-heading-blue);
  text-align: center;
  font-size: 20px;
}

@media (min-width: 600px) {
  .section-heading {
    font-size: 32px;
  }
}

@media (min-width: 1024px) {
  .section-heading {
    font-size: 40px;
  }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-16);
  border-radius: var(--radius-full);
  font-weight: 700;
  text-align: center;
  white-space: nowrap;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-16) var(--space-24);
  font-size: 18px;
  box-shadow: var(--shadow-cta);
}

.btn-primary:hover {
  background: #1935c4;
  box-shadow: 0 8px 16px rgba(37, 69, 229, 0.35);
}

.btn-secondary {
  background: var(--color-white);
  color: #1e293b;
  border: 1px solid var(--color-white);
  padding: var(--space-8) var(--space-24);
  font-size: 14px;
}

.btn-secondary:hover {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

/* ==========================================================================
   Site header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg-dark);
  padding-block: 16px;
  transition: background-color 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(20, 25, 39, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-24);
}

.site-header__logo img {
  height: 21px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: opacity 0.2s ease;
}

.site-header__logo:hover img {
  opacity: 0.8;
}

.site-nav {
  display: none;
  align-items: center;
  gap: var(--space-24);
}

.site-nav__link {
  position: relative;
  font-weight: 700;
  font-size: 14px;
  color: var(--color-white);
  white-space: nowrap;
  transition: color 0.2s ease;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  border-radius: var(--radius-full);
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-nav__link:not(.btn):hover {
}

.site-nav__link:not(.btn):hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  position: relative;
  width: 24px;
  height: 18px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle__bar {
  position: absolute;
  top: 8px;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: var(--radius-full);
  background: var(--color-white);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
}

.nav-toggle__bar:nth-child(1) {
  transform: translateY(-8px);
}

.nav-toggle__bar:nth-child(3) {
  transform: translateY(8px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(0) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(0) rotate(-45deg);
}

@media (min-width: 600px) {
  .site-header {
    padding-block: 0;
    height: 80px;
  }

  .site-header__inner {
    height: 100%;
  }

  .site-header__logo img {
    height: 24px;
  }
}

@media (min-width: 1024px) {
  .site-nav {
    display: flex;
    gap: var(--space-32);
  }

  .site-nav__link {
    font-size: 16px;
  }

  .nav-toggle {
    display: none;
  }
}

/* Mobile / tablet dropdown nav (shown when toggled open, below 1024px) */
@media (max-width: 1023px) {
  .site-nav {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: center;
    gap: var(--space-16);
    background: rgba(20, 25, 39, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: var(--space-24) 16px 32px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0s linear 0.25s;
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0s linear 0s;
  }

  .site-nav__link::before {
    content: "- ";
  }

  .site-nav__cta {
    margin-top: var(--space-8);
    font-size: 14px;
    padding: var(--space-8) var(--space-32);
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  background: var(--color-bg-dark);
}

.hero__bg {
  position: relative;
  width: 100%;
  aspect-ratio: 375 / 211;
  overflow: hidden;
}

.hero__bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% 40%;
  transform: scale(1.65);
  transform-origin: 70% 40%;
}

.hero__stage {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-top: 28px;
  padding-bottom: 62px;
}

.hero__heading {
  font-family: var(--font-jp);
  line-height: 1.0;
}

.hero__heading-line {
  display: block;
}

.hero__heading-chip {
  display: inline-flex;
  background: var(--color-white);
  padding: 4px 10px;
  font-weight: 500;
  font-size: 18px;
  line-height: 1.3;
  white-space: nowrap;
}

.hero__heading-line + .hero__heading-line .hero__heading-chip {
  margin-top: 12px;
}

.hero__heading-dark {
  color: var(--color-bg-dark);
}

.hero__heading-blue {
  color: var(--color-primary);
}

.hero__cta-card {
  background: var(--color-white);
  padding-block: 24px;
}

.hero__cta-card-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-16);
  text-align: center;
}

.hero__cta-card-img {
  width: 100%;
  max-width: 240px;
}

.hero__cta-card-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-16);
  width: 100%;
}

.hero__cta-card-text {
  color: var(--color-text-dark);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.6;
}

.hero__cta-btn {
  width: 100%;
  padding-block: var(--space-12);
  font-size: 18px;
}

@media (min-width: 600px) {
  .hero__inner {
    padding-block: 62px;
  }

  .hero__bg {
    aspect-ratio: 800 / 450;
  }

  .hero__bg-img {
    object-position: 80% 30%;
    transform: scale(1.4);
    transform-origin: 80% 30%;
  }

  .hero__heading-chip {
    font-size: 28px;
    padding: 6px 14px;
  }

  .hero__cta-card {
    padding-block: 32px;
  }

  .hero__cta-card-inner {
    flex-direction: row;
    align-items: center;
    text-align: left;
    gap: var(--space-24);
    max-width: 704px;
    margin-inline: auto;
  }

  .hero__cta-card-img {
    width: 220px;
    max-width: 220px;
    flex-shrink: 0;
  }

  .hero__cta-card-copy {
    align-items: flex-start;
  }

  .hero__cta-card-text {
    text-align: left;
    font-size: 18px;
  }

  .hero__cta-btn {
    width: auto;
  }
}

@media (min-width: 1024px) {
  .hero {
    height: 540px;
    overflow: hidden;
  }

  .hero__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    aspect-ratio: unset;
  }

  .hero__bg-img {
    object-position: 65% 50%;
    transform: scale(1.25);
    transform-origin: 65% 50%;
  }

  .hero__stage {
    max-width: 1200px;
    margin-inline: auto;
  }

  .hero__inner {
    position: absolute;
    top: 60px;
    left: 39px;
    right: auto;
    bottom: auto;
    width: auto;
    max-width: none;
    padding-inline: 0;
    padding-block: 0;
    display: block;
  }

  .hero__heading-chip {
    font-size: 42px;
    padding: 10px 24px;
  }

  .hero__cta-card {
    position: absolute;
    top: 260px;
    left: max(24px, calc(50% - 600px + 39px));
    background: transparent;
    padding-block: 0;
  }

  .hero__cta-card-inner {
    flex-direction: row;
    align-items: center;
    gap: var(--space-32);
    max-width: none;
    width: fit-content;
    margin-inline: 0;
    background: var(--color-overlay-dark);
    backdrop-filter: blur(1.5px);
    border-radius: var(--radius-lg);
    padding: var(--space-24) var(--space-24);
  }

  .hero__cta-card-img {
    width: 290px;
    max-width: none;
    height: auto;
    object-fit: cover;
  }

  .hero__cta-card-copy {
    text-align: center;
    align-items: center;
  }

  .hero__cta-card-text {
    color: var(--color-white);
    text-align: center;
    font-size: 18px;
    text-shadow: var(--shadow-text);
  }

  .hero__cta-btn {
    width: 100%;
    padding-inline: var(--space-24);
  }
}

/* ==========================================================================
   Pain points
   ========================================================================== */
.pain-points {
  background: var(--gradient-pain-points);
  padding-block: 46px;
}

.pain-points .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-24);
}

.pain-points__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
  width: 100%;
}

.case-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-16);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-16);
}

.case-card__head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-16);
  width: 100%;
}

.case-card__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  background: var(--color-badge-bg);
  color: var(--color-primary);
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.3;
  padding: var(--space-8) var(--space-24);
  border-radius: var(--radius-full);
}

.case-card__title {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.5;
  color: var(--color-heading-blue);
}

.case-card__img {
  width: 180px;
  height: auto;
}

.case-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  width: 100%;
}

.case-card__lead {
  font-weight: 600;
  font-size: 14px;
  line-height: 1.5;
}

.case-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  font-size: 14px;
  line-height: 1.5;
}

.case-card__list li {
  position: relative;
  padding-left: 21px;
}

.case-card__list li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0.65em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

@media (min-width: 600px) {
  .pain-points {
    padding-block: 46px;
  }

  .pain-points .container {
    gap: var(--space-64);
  }

  .pain-points__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-24);
  }

  .case-card {
    padding: var(--space-20);
  }
}

@media (min-width: 1024px) {
  .pain-points {
    padding-block: var(--space-64);
  }

  .case-card {
    padding: var(--space-40);
  }

  .case-card__head {
    flex-direction: row;
    align-items: center;
  }

  .case-card__title {
    font-size: 20px;
  }

  .case-card__img {
    width: 240px;
  }

  .case-card__lead,
  .case-card__list {
    font-size: 16px;
  }

  .case-card__list li {
    padding-left: 27px;
  }
}

/* ==========================================================================
   Solution
   ========================================================================== */
.solution {
  background: var(--color-white);
  padding-block: 46px;
}

.solution .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.solution__intro {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-32);
  text-align: center;
}

.solution__logo {
  height: 26px;
  width: auto;
}

.solution__tagline {
  font-family: var(--font-jp);
  font-weight: 500;
  color: var(--color-primary);
  font-size: 20px;
  line-height: 1.5;
}

.solution__feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-24);
  width: 100%;
}

.solution__feature-img {
  width: 100%;
  border-radius: var(--radius-xl);
}

.solution__feature-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-24);
  width: 100%;
}

.solution__feature-heading {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.5;
  text-align: center;
  width: 100%;
}

.solution__feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  width: 100%;
}

.solution__feature-list li {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.3;
}

.solution__workflow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-16);
  width: 100%;
}

.solution__workflow-title {
  font-family: var(--font-jp);
  font-weight: 500;
  color: var(--color-primary);
  font-size: 20px;
}

.solution__cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  width: 100%;
}

.solution-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.solution-card__title {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.5;
}

.solution-card__text {
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
}

@media (min-width: 600px) {
  .solution {
    padding-block: 64px;
  }

  .solution .container {
    gap: 40px;
  }

  .solution__logo {
    height: 40px;
  }

  .solution__tagline {
    font-size: 32px;
  }

  .solution__feature {
    gap: var(--space-32);
  }

  .solution__feature-img {
    max-width: 500px;
  }

  .solution__feature-copy {
    gap: var(--space-32);
  }

  .solution__feature-heading {
    font-size: 28px;
  }

  .solution__workflow {
    gap: var(--space-32);
  }

  .solution__workflow-title {
    font-size: 28px;
  }

  .solution__cards {
    gap: var(--space-24);
  }
}

@media (min-width: 1024px) {
  .solution {
    padding-block: var(--space-100);
  }

  .solution .container {
    gap: 80px;
  }

  .solution__tagline {
    font-size: 40px;
  }

  .solution__feature {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 64px;
  }

  .solution__feature-img {
    width: 520px;
    flex-shrink: 0;
  }

  .solution__feature-copy {
    flex: 1;
  }

  .solution__feature-heading {
    font-size: 32px;
    text-align: left;
  }

  .solution__feature-list li {
    font-size: 20px;
  }

  .solution__workflow-title {
    font-size: 32px;
  }

  .solution__cards {
    flex-direction: row;
  }

  .solution-card {
    flex: 1;
    padding: var(--space-24);
    gap: var(--space-16);
  }
}

/* ==========================================================================
   Features
   ========================================================================== */
.features {
  background: var(--color-surface-subtle);
  padding-block: 46px;
}

.features .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.features__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
  width: 100%;
}

.feature-card {
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  width: 100%;
}

.feature-card__text {
  background: var(--color-white);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: var(--space-24) var(--space-16);
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.feature-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.feature-card__heading {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.5;
  color: var(--color-text-dark);
}

.feature-card__label {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 16px;
  color: var(--color-heading-blue);
}

.feature-card__desc {
  font-weight: 400;
  font-size: 16px;
  line-height: 1.7;
}

.feature-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.feature-card__tag {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-size: 14px;
  line-height: 1;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-full);
}

.feature-card__visual {
  background: var(--color-feature-panel-bg);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  overflow: hidden;
  line-height: 0;
  padding: var(--space-24) var(--space-24);
}

.feature-card__visual-img {
  width: 100%;
  height: auto;
}

.feature-card__visual--device {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
}

.feature-card__visual-img--device {
  width: 100%;
  max-width: 320px;
  height: auto;
}

@media (min-width: 600px) {
  .features {
    padding-block: 64px;
  }

  .features .container {
    gap: 42px;
  }

  .features__list {
    gap: var(--space-40);
  }

  .feature-card__text {
    padding: 30px var(--space-40);
    gap: 48px;
  }

  .feature-card__heading {
    font-size: 30px;
  }

  .feature-card__label {
    font-size: 24px;
  }

  .feature-card__visual--device {
    padding: var(--space-32) 64px;
  }

  .feature-card__visual-img--device {
    max-width: 450px;
  }
}

@media (min-width: 1024px) {
  .features {
    padding-block: var(--space-100);
  }

  .feature-card {
    flex-direction: row;
    align-items: stretch;
  }

  .feature-card__text {
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    width: 740px;
    flex-shrink: 0;
  }

  .feature-card__visual {
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-32) 40px;
  }

  .feature-card__visual-img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
  }

  .feature-card__visual--device {
    display: flex;
  }

  .feature-card__visual-img--device {
    width: auto;
    height: auto;
    object-fit: contain;
  }
}

/* ==========================================================================
   Closing CTA banner (mid-page)
   ========================================================================== */
.cta-banner {
  background: var(--color-text-dark);
  padding-block: 46px;
}

.cta-banner__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-20);
  text-align: center;
}

.cta-banner__copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-20);
  width: 100%;
}

.cta-banner__heading {
  font-family: var(--font-jp);
  font-weight: 700;
  color: var(--color-white);
  font-size: 20px;
  line-height: 1.4;
}

.cta-banner__text {
  font-weight: 400;
  color: var(--color-white);
  font-size: 14px;
  line-height: 1.6;
}

.cta-banner__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  width: 80%;
  padding-inline: var(--space-20);
}

.cta-banner__btn {
  width: 100%;
  padding: 14px 28px;
  gap: var(--space-8);
  font-size: 14px;
}

.cta-banner__btn .icon {
  width: 20px;
  height: 20px;
}

@media (min-width: 600px) {
  .cta-banner {
    padding-block: 64px;
  }

  .cta-banner__inner {
    gap: var(--space-40);
  }

  .cta-banner__heading {
    font-size: 36px;
  }

  .cta-banner__text {
    font-size: 24px;
  }

  .cta-banner__actions {
    flex-direction: row;
    padding-inline: 0;
  }

  .cta-banner__btn {
    width: auto;
    flex: 1;
    font-size: 24px;
  }

  .cta-banner__btn .icon {
    width: 24px;
    height: 24px;
  }
}

@media (min-width: 1024px) {
  .cta-banner {
    padding-block: var(--space-80);
  }
}

/* ==========================================================================
   Benefits
   ========================================================================== */
.benefits {
  background: var(--color-white);
  padding-block: 46px;
}

.benefits .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.benefits .section-heading {
  font-size: 20px;
}

.benefits__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-16);
  width: 100%;
}

.benefits__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
  width: 100%;
}

.stat-card {
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-stat-border);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius-lg);
  padding: var(--space-40) var(--space-24);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-24);
}

.stat-card__label {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-weight: 700;
  font-size: 20px;
  color: var(--color-primary);
  text-align: center;
}

.stat-card__label .icon {
  width: 20px;
  height: 20px;
}

.stat-card__metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-16);
  width: 100%;
}

.stat-card__metric-figures {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 100%;
}

.stat-card__metric-label {
  font-weight: 600;
  font-size: 18px;
  text-align: center;
}

.stat-card__note {
  font-weight: 400;
  font-size: 12px;
  color: var(--color-text-secondary);
}

.stat-card__value {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 44px;
  color: var(--color-success);
  text-align: center;
  line-height: 1.2;
  white-space: nowrap;
}

.js-count {
  display: inline-block;
  text-align: left;
  font-variant-numeric: tabular-nums;
}

.stat-card__unit {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 24px;
  margin-left: var(--space-8);
}

.stat-card__unit--percent {
  font-size: 32px;
  margin-left: 0;
}

.stat-card__desc {
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  text-align: center;
}

.benefits__footnote {
  font-weight: 400;
  font-size: 12px;
  color: var(--color-text-secondary);
}

@media (min-width: 600px) {
  .benefits {
    padding-block: 64px;
  }

  .benefits .container {
    gap: 42px;
  }

  .benefits .section-heading {
    font-size: 40px;
  }

  .stat-card__label {
    font-size: 24px;
  }

  .stat-card__label .icon {
    width: 32px;
    height: 32px;
  }
}

@media (min-width: 1024px) {
  .benefits {
    padding-block: var(--space-100);
  }

  .benefits__list {
    flex-direction: row;
    align-items: stretch;
  }

  .stat-card {
    flex: 1;
  }
}

/* ==========================================================================
   Case studies
   ========================================================================== */
.case-studies {
  background: var(--color-surface-subtle);
  padding-block: 46px;
}

.case-studies .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.case-studies__grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  width: 100%;
}

.case-study-card {
  background: var(--color-white);
  border: 1px solid var(--color-stat-border);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius-lg);
  padding: var(--space-24) 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-24);
}

.case-study-card__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  text-align: center;
}

.case-study-card__info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.case-study-card__logo {
  display: block;
  object-fit: cover;
}

.case-study-card__logo--ilex {
  width: auto;
  height: 40px;
}

.case-study-card__logo--retio {
  width: auto;
  height: 40px;
}

.case-study-card__logo--rebirth {
  width: auto;
  height: 40px;
}

.case-study-card__logo--lighthouse {
  width: auto;
  height: 40px;
}

.case-study-card__industry {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 14px;
  color: var(--color-primary);
}

.case-study-card__company {
  font-family: var(--font-jp);
  font-weight: 600;
  font-size: 18px;
  color: var(--color-text-dark);
}

.case-study-card__company-sub {
  font-family: var(--font-jp);
  font-weight: 600;
  font-size: 14px;
  color: var(--color-text-dark);
}

.case-study-card__body {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-24);
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
  width: 100%;
}

.case-study-card__block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.case-study-card__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-full);
}

.case-study-card__tag--issue {
  background: var(--color-tag-issue-bg);
  color: var(--color-tag-issue-text);
}

.case-study-card__tag--result {
  background: var(--color-tag-result-bg);
  color: var(--color-tag-result-text);
}

.case-study-card__text {
  font-weight: 300;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-dark);
}

.case-study-card__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-weight: 300;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-dark);
}

.case-study-card__list li {
  position: relative;
  padding-left: 24px;
}

.case-study-card__list li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0.9em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

@media (min-width: 600px) {
  .case-studies {
    padding-block: 64px;
  }

  .case-studies .container {
    gap: 42px;
  }

  .case-studies__grid {
    gap: var(--space-32);
  }

  .case-study-card {
    padding: var(--space-40);
  }

  .case-study-card__logo--ilex,
  .case-study-card__logo--retio,
  .case-study-card__logo--rebirth,
  .case-study-card__logo--lighthouse {
    height: 50px;
  }

  .case-study-card__text,
  .case-study-card__list {
    font-size: 16px;
  }
}

@media (min-width: 1024px) {
  .case-studies {
    padding-block: var(--space-100);
  }

  .case-studies__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-32);
  }
}

/* ==========================================================================
   Steps
   ========================================================================== */
.steps {
  background: var(--color-white);
  padding-block: 46px;
}

.steps .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.steps__row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.step-card {
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-stat-border);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius-lg);
  padding: var(--space-24) 16px;
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  width: 100%;
}

.step-card__head {
  display: flex;
  align-items: flex-start;
  gap: var(--space-8);
  width: 100%;
}

.step-card__number {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 18px;
  background: var(--color-heading-blue);
  color: var(--color-white);
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 14px;
  line-height: 1;
}

.step-card__title {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 18px;
  color: var(--color-heading-blue);
  flex: 1;
}

.step-card__body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-16);
  width: 100%;
}

.step-card__img {
  width: 150px;
  height: 99px;
  object-fit: cover;
  flex-shrink: 0;
  display: block;
}

.step-card__text {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-dark);
  width: 100%;
}

.step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  transform: rotate(90deg);
}

.step-arrow__icon {
  width: auto;
  height: 24px;
}

@media (min-width: 600px) {
  .steps {
    padding-block: 64px;
  }

  .steps .container {
    gap: 42px;
  }

  .step-card__body {
    flex-direction: row;
    align-items: flex-start;
    justify-content: center;
  }

  .step-card__text {
    flex: 1;
    width: auto;
  }
}

@media (min-width: 1024px) {
  .steps {
    padding-block: var(--space-100);
  }

  .steps__row {
    flex-direction: row;
    align-items: stretch;
    gap: 8px;
  }

  .step-card {
    flex: 1;
    padding: var(--space-24) 16px;
  }

  .step-card__head {
    height: 50px;
  }

  .step-card__body {
    flex-direction: column;
    align-items: flex-start;
  }

  .step-card__img {
    width: 100%;
    height: auto;
    aspect-ratio: 227 / 150;
  }

  .step-arrow {
    transform: rotate(0deg);
  }
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq {
  background: var(--color-surface-subtle);
  padding-block: 46px;
}

.faq .section-heading {
  font-size: 20px;
}

.faq .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  width: 100%;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-stat-border);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius-lg);
  padding: var(--space-16);
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  width: 100%;
}

.faq-item__row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-8);
  width: 100%;
}

.faq-item__badge {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 11px;
  line-height: 1;
  color: var(--color-white);
}

.faq-item__badge--q {
  background: var(--color-primary);
}

.faq-item__badge--a {
  background: var(--color-text-dark);
}

.faq-item__question {
  flex: 1;
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-primary);
}

.faq-item__answer {
  flex: 1;
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-dark);
}

@media (min-width: 600px) {
  .faq {
    padding-block: 64px;
  }

  .faq .container {
    gap: 42px;
  }

  .faq .section-heading {
    font-size: 40px;
  }

  .faq-item {
    padding: var(--space-40);
    gap: var(--space-16);
  }

  .faq-item__row {
    gap: var(--space-16);
  }

  .faq-item__badge {
    width: 26px;
    height: 26px;
    font-size: 18px;
  }

  .faq-item__question,
  .faq-item__answer {
    font-size: 18px;
  }
}

@media (min-width: 1024px) {
  .faq {
    padding-block: var(--space-100);
  }

  .faq-list {
    max-width: 960px;
    margin-inline: auto;
  }
}

/* ==========================================================================
   Closing CTA (final, near footer)
   ========================================================================== */
.closing-cta-final {
  background: var(--color-white);
  padding-block: 46px;
}

.closing-cta-final__panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-24);
}

.closing-cta-final__heading-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
  padding-inline: 16px;
}

.closing-cta-final__note {
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  text-align: center;
}

.closing-cta-final__inner {
  margin-inline: auto;
}

.closing-cta-final__form {
  display: block;
  width: 100%;
  height: 1300px;
  border: 0;
  border-radius: var(--radius-lg);
}

@media (min-width: 600px) {
  .closing-cta-final {
    padding-block: 64px;
  }

  .closing-cta-final__heading-group {
    padding-inline: 40px;
  }

  .closing-cta-final__note {
    font-size: 14px;
  }

  .closing-cta-final__inner {
    max-width: 670px;
    padding-inline: 8px;
  }

  .closing-cta-final__form {
    height: 950px;
  }
}

@media (min-width: 1024px) {
  .closing-cta-final {
    padding-block: var(--space-100);
    background: #D6E4F1;
  }

  .closing-cta-final__layout {
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: 80px;
  }

  .closing-cta-final__heading-group {
    padding-inline: 0;
  }

  .closing-cta-final__inner {
    max-width: 760px;
    margin-inline: auto;
    padding: var(--space-32);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
  }

  .closing-cta-final__form {
    height: 1250px;
  }
}

/* ==========================================================================
   Site footer
   ========================================================================== */
.site-footer {
  position: relative;
  background: var(--color-footer-bg);
  border-top: 1px solid var(--color-footer-border);
  padding-block: 46px;
}

.site-footer__pagetop {
  position: absolute;
  top: -18px;
  right: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(37, 69, 229, 0.7);
  backdrop-filter: blur(2px);
  box-shadow: var(--shadow-cta);
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.2s ease;
}

.site-footer__pagetop:hover {
  background: rgba(25, 53, 196, 0.85);
  transform: translateY(-2px);
}

.site-footer__pagetop-arrow {
  width: 26px;
  height: 26px;
}

@media (min-width: 600px) {
  .site-footer__pagetop {
    top: -22px;
    right: 40px;
    width: 60px;
    height: 60px;
  }

  .site-footer__pagetop-arrow {
    width: 33px;
    height: 33px;
  }
}

@media (min-width: 1024px) {
  .site-footer__pagetop {
    right: 80px;
  }
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-24);
  width: 100%;
}

.site-footer__row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-24);
  width: 100%;
}

.site-footer__logo {
  width: 100px;
  height: 21px;
  flex-shrink: 0;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-24);
}

.site-footer__link {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 16px;
  color: var(--color-white);
  transition: opacity 0.2s ease;
}

.site-footer__link:hover {
  opacity: 0.7;
  text-decoration: underline;
}

.site-footer__copyright {
  font-family: var(--font-en);
  font-weight: 400;
  font-size: 14px;
  color: var(--color-white);
}

@media (min-width: 600px) {
  .site-footer {
    padding-block: var(--space-40);
  }

  .site-footer__row {
    flex-direction: row;
    align-items: center;
    gap: 64px;
  }

  .site-footer__logo {
    width: 140px;
    height: auto;
  }
}