/* ==========================================================================
   1. SETTINGS — Design Tokens (:root)
   ========================================================================== */

:root {
  /* -- Colors: Primary --------------------------------------------------- */
  --color-primary-deep: #0e3778;
  --color-primary-800: #1a237e;
  --color-primary-700: #283593;
  --color-primary-300: #ff9e40;
  --color-primary-100: #e8eaf6;
  --color-primary-50: #f5f5ff;

  /* -- Colors: Accent ---------------------------------------------------- */
  --color-accent-600: #e65100;
  --color-accent-500: #ff6f00;
  --color-accent-400: #ff8f00;
  --color-accent-50: #fff3e0;

  /* -- Colors: Dark ------------------------------------------------------ */
  --color-dark-900: #0c121a;

  /* -- Colors: Neutral / Grayscale --------------------------------------- */
  --color-neutral-900: #212121;
  --color-neutral-800: #424242;
  --color-neutral-700: #333333;
  --color-neutral-600: #555555;
  --color-neutral-500: #757575;
  --color-neutral-400: #9e9e9e;
  --color-neutral-300: #e0e0e0;
  --color-neutral-200: #eeeeee;
  --color-neutral-100: #f5f5f5;
  --color-neutral-50: #fafafa;
  --color-white: #ffffff;

  /* -- Colors: Status ---------------------------------------------------- */
  --color-success-bg: #e8f5e9;
  --color-success-text: #2e7d32;
  --color-error-bg: #ffebee;
  --color-error-text: #c62828;
  --color-error-border: #ef9a9a;

  /* -- Colors: Price ----------------------------------------------------- */
  --color-price: #c62828;
  --color-price-bg: #ffebee;

  /* -- Typography: Font Scale -------------------------------------------- */
  --font-scale-xs: 0.75rem;
  --font-scale-sm: 0.85rem;
  --font-scale-base: 1rem;
  --font-scale-md: 1.1rem;
  --font-scale-lg: 1.25rem;
  --font-scale-lg-md: 1.5rem;
  --font-scale-lg-plus: 1.4rem;
  --font-scale-xl: 2rem;
  --font-scale-2xl: 1.75rem;
  --font-scale-2xl-plus: 2rem;
  --font-scale-3xl-plus: 2.25rem;
  --font-scale-4xl: 3rem;

  /* -- Typography: Font Weights ------------------------------------------ */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* -- Spacing ----------------------------------------------------------- */
  --space-unit: 8px;
  --space-2xs: calc(var(--space-unit) * 0.25);
  --space-3xs: calc(var(--space-unit) * 0.5);
  --space-xs: calc(var(--space-unit) * 1);
  --space-sm: calc(var(--space-unit) * 2);
  --space-md: calc(var(--space-unit) * 3);
  --space-lg: calc(var(--space-unit) * 4);
  --space-xl: calc(var(--space-unit) * 6);
  --space-2xl: calc(var(--space-unit) * 8);
  --space-3xl: calc(var(--space-unit) * 10);
  --space-4xl: calc(var(--space-unit) * 12.5);

  /* -- Fixed Sizes ------------------------------------------------------- */
  --space-nav-height: 56px;
  --icon-sm: 40px;
  --icon-md: 48px;
  --icon-lg: 64px;

  /* -- Border Radius ----------------------------------------------------- */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 50%;

  /* -- Shadows ----------------------------------------------------------- */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-btn: 0 4px 12px rgba(255, 111, 0, 0.35);

  /* -- Transitions ------------------------------------------------------- */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;

  /* -- Container Widths -------------------------------------------------- */
  --container-sm: 800px;
  --container-md: 960px;
  --container-lg: 1120px;
  --container-xl: 1280px;

  /* -- Z-Index Layers ---------------------------------------------------- */
  --z-nav: 100;
  --z-modal: 200;
}



/* ==========================================================================
   2. TOOLS — Reset + Normalize
   ========================================================================== */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 17px;
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  color: var(--color-neutral-900);
  background: var(--color-white);
  line-height: 1.8;
}

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

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


/* ==========================================================================

   3. LAYOUT — .l-
   ========================================================================== */

.l-container {
  max-width: var(--container-md);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.l-section {
  padding: var(--space-3xl) 0;
}


/* ==========================================================================

   4. COMPONENTS — .c-
   ========================================================================== */

/* ---- Navigation ------------------------------------------------------- */

.c-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-neutral-200);
  transform: translateY(-100%);
  transition: transform var(--transition-base);
}

.c-nav.is-scroll-visible {
  transform: translateY(0);
}

.c-nav__inner {
  max-width: var(--container-md);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--space-nav-height);
}

.c-nav__logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.c-nav__logo img {
  height: 48px;
  width: auto;
  display: block;
}

.c-nav__links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.c-nav__links::-webkit-scrollbar {
  display: none;
}

.c-nav__link {
  font-size: var(--font-scale-sm);
  color: var(--color-neutral-600);
  white-space: nowrap;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.c-nav__link:hover,
.c-nav__link.is-active {
  color: var(--color-primary-800);
  border-bottom-color: var(--color-accent-500);
}

.c-nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3xs);
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-scale-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  background: var(--color-accent-500);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.c-nav__cta.is-active {
  background: var(--color-accent-600);
  box-shadow: 0 2px 8px rgba(230, 81, 0, 0.4);
}

.c-nav__cta:hover {
  background: var(--color-accent-600);
  transform: translateY(-1px);
}

.c-nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  color: var(--color-primary-800);
}

.c-nav__hamburger {
  width: 24px;
  height: 24px;
}


/* ---- Buttons ---------------------------------------------------------- */

.c-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-xl);
  border-radius: var(--radius-sm);
  font-size: var(--font-scale-base);
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  transition: background var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
  border: none;
  text-align: center;
}

.c-btn--primary {
  background: var(--color-accent-600);
  color: var(--color-white);
}

.c-btn--primary:hover {
  background: #bf360c;
  transform: translateY(-2px);
  box-shadow: var(--shadow-btn);
}

.c-btn--secondary {
  background: var(--color-primary-800);
  color: var(--color-white);
}

.c-btn--secondary:hover {
  background: var(--color-primary-700);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(26, 35, 126, 0.35);
}

.c-btn--white {
  background: var(--color-white);
  color: var(--color-primary-800);
  border: 2px solid var(--color-white);
}

.c-btn--white:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

.c-btn--outline-white {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.c-btn--outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.c-btn--full {
  width: 100%;
}


/* ---- Cards ------------------------------------------------------------ */

.c-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.c-card--highlight {
  background: rgba(255, 255, 255, 0.1);
}


/* ---- Forms ------------------------------------------------------------ */

.c-form-box {
  max-width: var(--container-sm);
  margin: 0 auto var(--space-xl);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
}

.c-form__title {
  font-size: var(--font-scale-md);
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-bottom: var(--space-sm);
  color: var(--color-primary-800);
}

.c-form__group {
  margin-bottom: var(--space-sm);
  position: relative;
}

.c-form__label {
  display: block;
  font-size: var(--font-scale-sm);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xs);
  color: var(--color-neutral-700);
}

.c-form__input,
.c-form__select,
.c-form__textarea {
  display: block;
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-sm);
  font-size: var(--font-scale-base);
  margin-bottom: var(--space-xs);
  font-family: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.c-form__input:focus,
.c-form__select:focus,
.c-form__textarea:focus {
  outline: none;
  border-color: var(--color-primary-800);
  box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.1);
}

.c-form__input.is-error,
.c-form__select.is-error,
.c-form__textarea.is-error {
  border-color: var(--color-error-border);
  box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.1);
}

.c-form__input.is-success,
.c-form__select.is-success,
.c-form__textarea.is-success {
  border-color: var(--color-success-text);
}

.c-form__error {
  display: none;
  font-size: var(--font-scale-xs);
  color: var(--color-error-text);
  margin-top: var(--space-3xs);
  margin-bottom: var(--space-xs);
}

.c-form__error.is-visible {
  display: block;
}

.c-form__hint {
  font-size: var(--font-scale-xs);
  color: var(--color-neutral-400);
  margin-top: var(--space-2xs);
  margin-bottom: var(--space-xs);
}


/* ---- Modal ------------------------------------------------------------ */

.c-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.c-modal.is-open {
  display: flex;
}

/* justified: full-screen overlay positioning — cannot be overridden by document flow */
.c-modal__overlay {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  background: rgba(0, 0, 0, 0.5);
}

.c-modal__content {
  position: relative;
  z-index: 1;
  max-width: var(--container-sm);
  width: 100%;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
}

.c-modal__title {
  font-size: var(--font-scale-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
  margin-bottom: var(--space-sm);
}

.c-modal__text {
  font-size: var(--font-scale-base);
  color: var(--color-neutral-700);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.c-modal__link {
  display: inline-block;
  font-size: var(--font-scale-sm);
  color: var(--color-primary-800);
  text-decoration: underline;
  margin-bottom: var(--space-lg);
  transition: color var(--transition-fast);
}

.c-modal__link:hover {
  color: var(--color-accent-500);
}

.c-modal__checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-scale-base);
  color: var(--color-neutral-900);
  margin-bottom: var(--space-lg);
  cursor: pointer;
}

.c-modal__checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent-500);
}

.c-modal__buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.c-modal__confirm {
  min-width: 120px;
}

.c-modal__cancel {
  background: var(--color-neutral-300);
  color: var(--color-neutral-700);
  border: none;
  min-width: 120px;
}

.c-modal__confirm:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}


/* ---- Footer ----------------------------------------------------------- */

.c-footer {
  padding: var(--space-xl) var(--space-md);
  background: var(--color-dark-900);
  color: var(--color-white);
}

.c-footer__inner {
  max-width: var(--container-lg);
  margin: 0 auto;
  text-align: center;
}

.c-footer__title {
  font-size: var(--font-scale-md);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
}

.c-footer__name-main,
.c-footer__name-sub {
  display: inline-block;
}

.c-footer__copy {
  margin-bottom: var(--space-md);
  font-size: var(--font-scale-xs);
  color: rgba(255, 255, 255, 0.4);
}

.c-footer__contact-links {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}

.c-footer__link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: var(--font-scale-base);
  transition: color var(--transition-fast);
}

.c-footer__link:hover {
  color: var(--color-white);
}

button.c-footer__link {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-scale-base);
  transition: color var(--transition-fast);
}

button.c-footer__link:hover {
  color: var(--color-white);
}

.c-footer__links {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  list-style: none;
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.c-footer__links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-scale-xs);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.c-footer__links a:hover {
  color: var(--color-white);
}


/* ---- Back to Top ------------------------------------------------------ */

.c-back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 90;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-primary-800);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base), background var(--transition-fast);
}

.c-back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.c-back-to-top:hover {
  background: var(--color-accent-500);
}


/* ==========================================================================

   5. SECTIONS — .s-
   ========================================================================== */

/* ---- Hero ------------------------------------------------------------- */

.s-hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4xl) var(--space-md);
  color: var(--color-white);
  text-align: center;
}

.s-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.s-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(26, 35, 76, 0.8);
  z-index: 1;
}

.s-hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--container-lg);
  margin: 0 auto;
}

.s-hero__title {
  font-size: var(--font-scale-4xl);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.2;
  margin-bottom: var(--space-lg);
}

.s-hero__subtitle {
  font-size: var(--font-scale-lg-plus);
  letter-spacing: 0.02em;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-lg);
  opacity: 0.9;
  max-width: var(--container-md);
  margin-left: auto;
  margin-right: auto;
  line-height: 1.75;
}

.s-hero__desc {
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--space-sm);
  font-size: var(--font-scale-sm);
}


/* ---- Generic Section -------------------------------------------------- */

.s-section {
  padding: var(--space-3xl) 0;
}

.s-section--compact {
  padding: var(--space-2xl) 0;
}

.s-section__title {
  font-size: var(--font-scale-2xl);
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-bottom: var(--space-sm);
  color: var(--color-neutral-900);
}

.s-section__desc {
  text-align: center;
  font-size: var(--font-scale-md);
  color: var(--color-neutral-900);
  margin-bottom: var(--space-3xl);
  line-height: 1.75;
}


/* ---- Effect Section --------------------------------------------------- */

.s-effect {
  background: var(--color-neutral-100);
}

.s-effect__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.s-effect__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.s-effect__circle {
  width: var(--icon-lg);
  height: var(--icon-lg);
  border-radius: var(--radius-full);
  background: rgba(26, 35, 126, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
}

.s-effect__circle svg {
  color: var(--color-primary-800);
}

.s-effect__text {
  font-size: var(--font-scale-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
}

.s-effect__bottom {
  text-align: center;
}

.s-effect__highlight {
  font-size: var(--font-scale-lg-plus);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
  margin-bottom: var(--space-xs);
}

.s-effect__sub {
  font-size: var(--font-scale-md);
  color: var(--color-neutral-600);
}


/* ---- Why Section ------------------------------------------------------ */

.s-why {
  background: var(--color-white);
}

.s-why__content {
  max-width: var(--container-sm);
  margin: 0 auto;
  text-align: center;
}

.s-why__text {
  font-size: var(--font-scale-md);
  color: var(--color-neutral-500);
  margin-bottom: var(--space-lg);
  line-height: 1.75;
}

.s-why__quote {
  font-size: var(--font-scale-lg-md);
  font-weight: var(--font-weight-bold);
  line-height: 1.75;
  color: var(--color-neutral-900);
  margin-bottom: var(--space-lg);
}

.s-why__highlight {
  font-size: var(--font-scale-lg-md);
  font-weight: var(--font-weight-bold);
  line-height: 1.75;
  color: var(--color-neutral-900);
}


/* ---- Expansion Section ------------------------------------------------ */

.s-expansion {
  background: var(--color-neutral-100);
}

.s-expansion__group-title {
  font-size: var(--font-scale-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
  margin-bottom: var(--space-xs);
}

.s-expansion__group-desc {
  font-size: var(--font-scale-sm);
  color: var(--color-neutral-500);
  margin-bottom: var(--space-sm);
}

.s-expansion__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.s-expansion__card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.s-expansion__card-img {
  width: 100%;
  height: var(--space-3xl);
  object-fit: cover;
  display: block;
}

.s-expansion__card-caption {
  padding: var(--space-sm);
  font-size: var(--font-scale-sm);
  color: var(--color-neutral-600);
}

.s-expansion__grid--overlay .s-expansion__card {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  box-shadow: none;
  overflow: hidden;
}

.s-expansion__grid--overlay .s-expansion__card-img {
  height: 100%;
  width: 100%;
}

.s-expansion__overlay-text {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xs) var(--space-sm);
}

.s-expansion__overlay-label {
  font-size: var(--font-scale-xs);
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-xs);
}

.s-expansion__overlay-caption {
  font-size: var(--font-scale-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  text-align: center;
  line-height: 1.4;
}


/* ---- Cases Section ---------------------------------------------------- */

.s-cases {
  background: var(--color-white);
}

.s-cases__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.s-cases__card {
  background: var(--color-neutral-100);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: box-shadow var(--transition-base), transform var(--transition-fast);
}

.s-cases__card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.s-cases__location {
  font-size: var(--font-scale-sm);
  color: var(--color-neutral-400);
  margin-bottom: var(--space-xs);
}

.s-cases__metric-label {
  font-size: var(--font-scale-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-800);
  margin-bottom: var(--space-xs);
}

.s-cases__metric {
  font-size: var(--font-scale-lg-plus);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-accent-500);
  margin-bottom: var(--space-xs);
}

.s-cases__result {
  font-size: var(--font-scale-sm);
  color: var(--color-neutral-700);
  margin-bottom: var(--space-sm);
}

.s-cases__reason {
  font-size: var(--font-scale-xs);
  color: var(--color-neutral-400);
  line-height: 1.6;
}


/* ---- Goal Section ----------------------------------------------------- */

.s-goal {
  background: var(--color-neutral-100);
}

.s-goal__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.s-goal__card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  text-align: center;
  border: 1px solid var(--color-neutral-200);
}

.s-goal__circle {
  width: var(--icon-md);
  height: var(--icon-md);
  border-radius: var(--radius-full);
  background: rgba(26, 35, 126, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
}

.s-goal__circle svg {
  color: var(--color-primary-800);
}

.s-goal__text {
  font-size: var(--font-scale-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
}


/* ---- CTA Footer ------------------------------------------------------- */

.s-cta-footer {
  text-align: center;
  padding: var(--space-3xl) var(--space-md);
  background: var(--color-primary-800);
  color: var(--color-white);
}

.s-cta-footer p {
  font-size: var(--font-scale-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-lg);
}


/* ---- CTA Primary ------------------------------------------------------ */

.s-cta-primary {
  background: var(--color-primary-deep);
  padding: var(--space-3xl) 0;
}

.s-cta-primary__inner {
  max-width: var(--container-md);
  text-align: center;
}

.s-cta-primary__title {
  font-size: var(--font-scale-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-xl);
}

.s-cta-primary__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.s-cta-primary__grid .c-card {
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-sm);
  text-align: center;
}

.s-cta-primary__grid .c-card--highlight {
  background: rgba(255, 255, 255, 0.1);
}

.s-cta-primary__grid .c-card:not(.c-card--highlight) {
  background: rgba(255, 255, 255, 0.05);
}

.s-cta-primary__grid .c-card .c-btn {
  display: inline-flex;
  width: 100%;
  padding: var(--space-sm) var(--space-sm);
}

.s-cta-primary__grid .c-card p {
  margin-top: var(--space-xs);
}


/* ---- CTA Note --------------------------------------------------------- */

.s-cta-note {
  background: var(--color-neutral-100);
  padding: var(--space-3xl) var(--space-md);
  text-align: center;
}

.s-cta-note__inner {
  max-width: var(--container-lg);
  margin: 0 auto;
}

.s-cta-note__text {
  font-size: var(--font-scale-md);
  color: var(--color-neutral-900);
  margin-bottom: var(--space-xs);
}

.s-cta-note__sub {
  font-size: var(--font-scale-sm);
  color: var(--color-neutral-600);
  margin-bottom: var(--space-lg);
}


/* ---- Privacy Section -------------------------------------------------- */

.s-privacy-hero {
  min-height: 50vh;
}

.s-privacy__content {
  background: var(--color-white);
}

.s-privacy__intro {
  font-size: var(--font-scale-base);
  color: var(--color-neutral-700);
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-neutral-200);
}

.s-privacy__heading {
  font-size: var(--font-scale-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-800);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary-50);
  border-left: 4px solid var(--color-primary-800);
}

.s-privacy__text {
  font-size: var(--font-scale-base);
  color: var(--color-neutral-700);
  line-height: 1.9;
  margin-bottom: var(--space-md);
}

.s-privacy__list {
  font-size: var(--font-scale-base);
  color: var(--color-neutral-700);
  line-height: 1.9;
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.s-privacy__sublist {
  list-style-type: lower-alpha;
  margin-top: var(--space-xs);
  margin-bottom: var(--space-sm);
  padding-left: var(--space-lg);
}

.s-privacy__address {
  font-size: var(--font-scale-base);
  color: var(--color-neutral-700);
  line-height: 1.9;
  margin-top: var(--space-md);
  margin-bottom: var(--space-xl);
  font-style: normal;
}

.s-privacy__link {
  color: var(--color-primary-800);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.s-privacy__link:hover {
  color: var(--color-accent-500);
}

/* ==========================================================================
   6. RESPONSIVE — PC-first max-width queries
   ========================================================================== */

/* ---- Tablet (1023px and below) ---------------------------------------- */

@media (max-width: 1023px) {
  :root {
    --space-3xl: 64px;
    --space-4xl: 80px;
  }

  .s-hero__title {
    font-size: var(--font-scale-2xl-plus);
  }

  .s-section__title {
    font-size: var(--font-scale-lg-plus);
  }
}


/* ---- Mobile (767px and below) ----------------------------------------- */

@media (max-width: 767px) {
  :root {
    --space-3xl: 56px;
    --space-4xl: 72px;
  }

  .c-nav--main {
    transform: none;
  }

  .s-hero__title {
    font-size: var(--font-scale-2xl);
  }

  .s-hero__subtitle {
    font-size: var(--font-scale-lg);
  }

  .s-section__title {
    font-size: var(--font-scale-lg);
    margin-bottom: var(--space-md);
  }

  .s-section__desc {
    font-size: var(--font-scale-base);
  }

  .s-why__text {
    font-size: var(--font-scale-base);
  }

  .s-why__quote,
  .s-why__highlight {
    font-size: var(--font-scale-lg);
  }

  /* Navigation mobile */
  .c-nav__inner {
    max-width: 100%;
    padding: 0 var(--space-sm);
  }

  .c-nav__logo {
    z-index: calc(var(--z-nav) + 1);
  }

  .c-nav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 48px;
    height: 48px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    z-index: calc(var(--z-nav) + 1);
  }

  .c-nav__hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary-800);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .c-nav__hamburger--top {
    margin-bottom: 6px;
  }

  .c-nav__hamburger--bottom {
    margin-top: 6px;
  }

  .c-nav__toggle.is-active .c-nav__hamburger--top {
    transform: translateY(8px) rotate(45deg);
  }

  .c-nav__toggle.is-active .c-nav__hamburger--middle {
    opacity: 0;
  }

  .c-nav__toggle.is-active .c-nav__hamburger--bottom {
    transform: translateY(-8px) rotate(-45deg);
  }

  .c-nav__links--main {
    position: fixed;
    top: var(--space-nav-height);
    left: 0;
    right: 0;
    height: calc(100vh - var(--space-nav-height));
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    padding: var(--space-xl) var(--space-md);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-20px);
    transition: visibility var(--transition-base), opacity var(--transition-base), transform var(--transition-base);
    z-index: calc(var(--z-nav) - 1);
    overflow-y: auto;
    display: flex;
  }

  .c-nav__links--main.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  body.menu-open {
    overflow: hidden;
  }

  .c-nav__link {
    font-size: var(--font-scale-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-neutral-700);
    padding: var(--space-xs) 0;
    border-bottom: none;
    text-align: center;
    transition: color var(--transition-fast), border-color var(--transition-fast);
  }

  .c-nav__link:hover,
  .c-nav__link.is-active {
    color: var(--color-primary-800);
    font-weight: var(--font-weight-bold);
    border-bottom-color: transparent;
  }

  /* Grids collapse to single column */
  .s-effect__grid,
  .s-goal__grid,
  .s-cases__grid,
  .s-expansion__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .s-cta-primary__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  /* Padding reductions */
  .c-form-box,
  .s-cta-note__inner,
  .s-cta-primary__inner,
  .s-cases__card {
    padding: var(--space-md);
  }

  /* Footer stacking */
  .c-footer__contact-links {
    flex-direction: column;
    gap: var(--space-md);
  }

  .c-footer__links {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .s-cta-primary__title {
    font-size: var(--font-scale-lg-plus);
  }

  /* Privacy */
  .s-privacy__heading {
    font-size: var(--font-scale-base);
    padding: var(--space-xs) var(--space-sm);
  }

  .s-privacy__intro {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
  }

  /* Simulation responsive */





































  /* Back to top */
  .c-back-to-top {
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
  }

  /* Timeline adjustments */

  /* Nav mobile override */
  .c-nav {
    transform: none;
  }

}


/* ---- Small Mobile (480px and below) ----------------------------------- */

@media (max-width: 480px) {
  html {
    font-size: var(--font-scale-sm);
  }

  /* Simulation responsive fixes */

  .c-btn {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-scale-base);
  }

  .s-hero__title {
    font-size: var(--font-scale-lg);
  }

  .s-cases__card {
    padding: var(--space-md);
  }

  .s-cases__metric {
    font-size: var(--font-scale-lg-plus);
  }

  .s-expansion__grid--overlay .s-expansion__card-img {
    height: auto;
  }

  .s-expansion__overlay-text {
    padding: var(--space-xs);
  }

  .s-expansion__overlay-label {
    font-size: var(--font-scale-sm);
  }

  .s-expansion__overlay-caption {
    font-size: var(--font-scale-xs);
  }

  /* Modal */
  .c-modal__content {
    padding: var(--space-lg) var(--space-md);
  }

  .c-modal__title {
    font-size: var(--font-scale-md);
  }

  .c-modal__text {
    font-size: var(--font-scale-sm);
  }

  .c-modal__buttons {
    flex-direction: column;
  }

  .c-modal__confirm,
  .c-modal__cancel {
    width: 100%;
  }

  /* Simulation */



}

/* ==========================================================================
   7. UTILITIES — .u-
   ========================================================================== */

.u-text-sm {
  font-size: var(--font-scale-sm);
}

.u-text-muted {
  color: var(--color-neutral-400);
}

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

.u-text-center {
  text-align: center;
}

.u-hidden {
  display: none;
}

.u-text-accent {
  color: var(--color-accent-500);
  font-weight: var(--font-weight-bold);
}

.u-text-primary {
  color: var(--color-primary-800);
  font-weight: var(--font-weight-bold);
}

/* ==========================================================================
   8. PDF OVERLAY — Loading/Error States
   ========================================================================== */

.pdf-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.pdf-loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--color-accent-500);
  border-radius: 50%;
  animation: pdf-spin 0.8s linear infinite;
}

@keyframes pdf-spin {
  to {
    transform: rotate(360deg);
  }
}

.pdf-loading-text {
  color: #ffffff;
  font-size: var(--font-scale-base);
  margin-top: var(--space-md);
  text-align: center;
}

/* PDF Error Overlay */
.pdf-error-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
}

.pdf-error-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  max-width: 400px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.pdf-error-box p {
  margin: 0 0 var(--space-md);
  line-height: 1.6;
}

.pdf-error-box .c-btn {
  margin-top: var(--space-md);
}

/* ---- Panels ----------------------------------------------------------- */
@keyframes simFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}



/* ==========================================================================
   7. PDF OVERLAY — Loading/Error States
   ========================================================================== */

.pdf-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.pdf-loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--color-accent-500);
  border-radius: 50%;
  animation: pdf-spin 0.8s linear infinite;
}

@keyframes pdf-spin {
  to {
    transform: rotate(360deg);
  }
}

.pdf-loading-text {
  color: #ffffff;
  font-size: var(--font-scale-base);
  margin-top: var(--space-md);
  text-align: center;
}

/* PDF Error Overlay */
.pdf-error-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
}

.pdf-error-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  max-width: 400px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.pdf-error-box p {
  margin: 0 0 var(--space-md);
  line-height: 1.6;
}

.pdf-error-box .c-btn {
  margin-top: var(--space-md);
}



/* ==========================================================================
 15. UTILITIES — .u- and simulation utilities
 ========================================================================== */

.u-text-sm {
  font-size: var(--font-scale-sm);
}

.u-text-muted {
  color: var(--color-neutral-400);
}

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

.u-text-center {
  text-align: center;
}


.u-hidden {
  display: none;
}