/* ============================================
   廃校フィットネスSent. — Design System
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700;900&family=Outfit:wght@400;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Brand Colors */
  --color-primary: #f39800;
  --color-primary-dark: #d98600;
  --color-primary-light: #fbb740;
  --color-cta: #c8125c;
  --color-cta-hover: #a80e4d;
  --color-secondary: #28b69b;
  --color-secondary-hover: #1f9a83;
  --color-dark: #1a1a1a;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #999999;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f4f4;
  --color-bg-warm: #fef8f0;
  --color-border: #e0e0e0;
  --color-white: #ffffff;
  --color-black: #000000;
  --color-success: #28a745;
  --color-danger: #e8412e;

  /* Typography */
  --font-body: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', 'Noto Sans JP', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3rem;
  --line-height: 1.8;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-sm: 800px;
  --header-height: 70px;
  --header-top-height: 50px;

  /* Effects */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 50px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --shadow-card: 0 2px 16px rgba(0,0,0,0.06);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.15s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + var(--header-top-height) + 20px);
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-dark);
}

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

.container--sm {
  max-width: var(--container-sm);
}

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

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

/* --- Section --- */
.section {
  padding: var(--space-3xl) 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section--warm {
  background-color: var(--color-bg-warm);
}

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

.section--dark h2,
.section--dark h3 {
  color: var(--color-white);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section__title {
  font-size: var(--font-size-2xl);
  font-weight: 900;
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-sm);
}

.section__title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: 2px;
}

.section__subtitle {
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: 700;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.4;
}

.btn--primary {
  background: var(--color-cta);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(200, 18, 92, 0.3);
}

.btn--primary:hover {
  background: var(--color-cta-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(200, 18, 92, 0.4);
}

.btn--secondary {
  background: var(--color-secondary);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(40, 182, 155, 0.3);
}

.btn--secondary:hover {
  background: var(--color-secondary-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(40, 182, 155, 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

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

.btn--dark:hover {
  background: #333;
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--sm {
  padding: 8px 20px;
  font-size: var(--font-size-sm);
}

.btn--lg {
  padding: 18px 48px;
  font-size: var(--font-size-lg);
}

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

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.header__top {
  background: var(--color-bg-alt);
  padding: 6px 0;
  border-bottom: 1px solid var(--color-border);
}

.header__top-inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-md);
}

.header__phone {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 6px;
}

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

.header__hours {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  line-height: 1.4;
}

.header__actions {
  display: flex;
  gap: 8px;
}

.header__main {
  padding: 0 var(--space-md);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo img {
  height: 50px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header__nav a {
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--color-primary);
  background: var(--color-bg-warm);
}

/* Mobile Menu Toggle */
.header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.header__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition);
  border-radius: 2px;
}

.header__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__toggle.active span:nth-child(2) {
  opacity: 0;
}

.header__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  margin-top: calc(var(--header-height) + var(--header-top-height));
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  padding: var(--space-2xl) var(--space-lg);
  color: var(--color-white);
}

.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: 900;
  color: var(--color-primary-light);
  margin-bottom: var(--space-md);
  text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
  line-height: 1.2;
}

.hero__text {
  font-size: var(--font-size-md);
  margin-bottom: var(--space-lg);
  line-height: 1.8;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.3);
}

.hero__cta {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* --- Announcement Banner --- */
.announcement {
  padding: var(--space-lg) 0;
  background: var(--color-bg);
}

.announcement__card {
  border: 2px solid var(--color-danger);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  transition: all var(--transition);
}

.announcement__card:hover {
  box-shadow: var(--shadow-md);
}

.announcement__badge {
  background: var(--color-danger);
  color: var(--color-white);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  white-space: nowrap;
}

.announcement__text {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  flex: 1;
}

.announcement__link {
  color: var(--color-cta);
  font-weight: 700;
  font-size: var(--font-size-sm);
  white-space: nowrap;
}

/* --- Troubles/Pain Points --- */
.troubles__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.trouble-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
}

.trouble-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.trouble-item__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

.trouble-item__text {
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* --- Course Cards --- */
.courses__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.course-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
  position: relative;
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.course-card__badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--color-cta);
  color: var(--color-white);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
}

.course-card__header {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  padding: var(--space-lg);
  text-align: center;
}

.course-card__name {
  font-size: var(--font-size-xl);
  font-weight: 900;
  margin-bottom: var(--space-xs);
}

.course-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}

.course-card__tag {
  font-size: var(--font-size-xs);
  background: rgba(255,255,255,0.2);
  padding: 2px 10px;
  border-radius: var(--radius-full);
}

.course-card__body {
  padding: var(--space-lg);
  text-align: center;
}

.course-card__price {
  font-size: var(--font-size-3xl);
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1.2;
}

.course-card__price-unit {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-light);
}

.course-card__family {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--space-xs);
}

.course-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--space-sm);
  line-height: 1.6;
}

/* --- Facility Gallery --- */
.facility__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.facility-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.facility-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.facility-card:hover img {
  transform: scale(1.05);
}

.facility-card__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md);
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: var(--color-white);
}

.facility-card__name {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

/* --- Schedule Table --- */
.schedule-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.schedule-table th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 12px 16px;
  text-align: center;
  font-weight: 700;
}

.schedule-table td {
  padding: 12px 16px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.schedule-table tr:nth-child(even) {
  background: var(--color-bg-alt);
}

/* --- Staff --- */
.staff__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.staff-card {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.staff-card__img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--color-primary-light);
}

.staff-card__name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.staff-card__role {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.staff-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* --- Access / Map --- */
.access__wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.access__map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 16/12;
}

.access__map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.access__info dt {
  font-weight: 700;
  color: var(--color-primary);
  margin-top: var(--space-md);
  font-size: var(--font-size-sm);
}

.access__info dd {
  font-size: var(--font-size-sm);
  margin-top: 4px;
  color: var(--color-text-light);
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  padding: var(--space-3xl) 0;
  text-align: center;
  color: var(--color-white);
}

.cta-section h2 {
  color: var(--color-white);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-md);
}

.cta-section p {
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-md);
  opacity: 0.9;
}

.cta-section .btn--primary {
  background: var(--color-white);
  color: var(--color-cta);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.cta-section .btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

/* --- Business Hours --- */
.hours__card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-card);
  max-width: 700px;
  margin: 0 auto;
}

.hours__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.hours__row:last-child {
  border-bottom: none;
}

.hours__day {
  font-weight: 700;
  font-size: var(--font-size-md);
}

.hours__time {
  font-size: var(--font-size-md);
  color: var(--color-text-light);
}

.hours__note {
  text-align: center;
  margin-top: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* --- FAQ / Accordion --- */
.accordion__item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.accordion__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  font-weight: 700;
  font-size: var(--font-size-md);
  transition: background var(--transition-fast);
  user-select: none;
}

.accordion__header:hover {
  background: var(--color-bg-alt);
}

.accordion__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--color-primary);
}

.accordion__item.active .accordion__icon {
  transform: rotate(180deg);
}

.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}

.accordion__content {
  padding: 0 var(--space-lg) var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.8;
}

/* --- Footer --- */
.footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand img {
  height: 40px;
  width: auto;
  margin-bottom: var(--space-md);
  filter: brightness(0) invert(1);
}

.footer__desc {
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.footer__title {
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: 700;
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer__links li {
  margin-bottom: 8px;
}

.footer__links a {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-primary-light);
}

.footer__social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.footer__social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  color: var(--color-white);
  transition: all var(--transition);
}

.footer__social a:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-xs);
}

.footer__copyright {
  color: rgba(255,255,255,0.4);
}

/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* --- Steps --- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  counter-reset: step;
}

.step-card {
  text-align: center;
  padding: var(--space-lg);
  counter-increment: step;
  position: relative;
}

.step-card::before {
  content: 'STEP ' counter(step);
  display: block;
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 2px;
  margin-bottom: var(--space-sm);
}

.step-card__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-md);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 2rem;
}

.step-card__title {
  font-size: var(--font-size-md);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.step-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* --- Plan Page Specifics --- */
.plan-image {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.plan-image img {
  max-width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: 0 auto;
}

/* --- Contact Form --- */
.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-weight: 700;
  font-size: var(--font-size-sm);
  margin-bottom: 6px;
}

.form-group .required {
  color: var(--color-danger);
  font-size: var(--font-size-xs);
  margin-left: 4px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
  background: var(--color-white);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(243, 152, 0, 0.15);
}

.form-textarea {
  min-height: 160px;
  resize: vertical;
}

/* --- Mobile Nav Overlay --- */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.mobile-nav.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav__inner {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 320px;
  background: var(--color-white);
  padding: calc(var(--header-height) + var(--header-top-height) + 20px) var(--space-lg) var(--space-lg);
  transform: translateX(100%);
  transition: transform var(--transition);
  overflow-y: auto;
}

.mobile-nav.active .mobile-nav__inner {
  transform: translateX(0);
}

.mobile-nav__link {
  display: block;
  padding: 14px 0;
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__link:hover {
  color: var(--color-primary);
}

.mobile-nav__cta {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .header__nav {
    display: none;
  }

  .header__toggle {
    display: flex;
  }

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

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

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

  .steps {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  :root {
    --space-3xl: 4rem;
    --space-4xl: 5rem;
  }

  .header__top {
    display: none;
  }

  html {
    scroll-padding-top: calc(var(--header-height) + 20px);
  }

  .hero {
    margin-top: var(--header-height);
    min-height: 60vh;
  }

  .hero__content {
    padding: var(--space-lg);
  }

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

  .section__title {
    font-size: var(--font-size-xl);
  }

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

  .staff-card {
    flex-direction: column;
    text-align: center;
  }

  .staff-card__img {
    margin: 0 auto;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

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

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

  .announcement__card {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__cta {
    flex-direction: column;
  }

  .hero__cta .btn {
    width: 100%;
  }

  .btn--lg {
    padding: 14px 32px;
    font-size: var(--font-size-base);
  }
}