@charset "UTF-8";

/* --- Design Tokens --- */
:root {
  /* Colors */
  --color-primary: #2E59A7;
  --color-primary-light: #5291ED;
  --color-primary-lighter: #87B4F3;
  --color-primary-dark: #132B52;
  --color-accent: #00A88B;
  --color-accent-hover: #008F76;
  --color-accent-light: rgba(0, 168, 139, 0.08);
  --color-warm: #9C8F7A;
  --color-warm-light: #B8AD9C;
  --color-teal: #4B9DA1;
  --color-navy: #004B8D;

  --color-bg: #FAFCFE;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F0F5FA;
  --color-surface-warm: #FAF8F5;

  --color-text: #1A2233;
  --color-text-secondary: #5A6577;
  --color-text-light: #8494A7;
  --color-text-inverse: #FFFFFF;

  --color-border: #E2E8F0;
  --color-border-light: #EDF2F7;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #132B52 0%, #2E59A7 50%, #004B8D 100%);
  --gradient-hero-overlay: linear-gradient(180deg, rgba(19, 43, 82, 0.7) 0%, rgba(46, 89, 167, 0.5) 100%);
  --gradient-section: linear-gradient(180deg, #FAFCFE 0%, #F0F5FA 100%);
  --gradient-accent: linear-gradient(135deg, #00A88B 0%, #4B9DA1 100%);
  --gradient-cta: linear-gradient(135deg, #00A88B 0%, #008F76 100%);
  --gradient-subtle: linear-gradient(180deg, rgba(82, 145, 237, 0.03) 0%, rgba(82, 145, 237, 0.08) 100%);

  /* Typography */
  --font-sans: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-hero: clamp(2rem, 5vw, 3.5rem);

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.3;
  --line-height-normal: 1.7;
  --line-height-relaxed: 1.9;
  --letter-spacing-wide: 0.04em;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-section: clamp(4rem, 8vw, 7rem);

  /* Borders */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(19, 43, 82, 0.06);
  --shadow-md: 0 4px 12px rgba(19, 43, 82, 0.08);
  --shadow-lg: 0 8px 30px rgba(19, 43, 82, 0.1);
  --shadow-xl: 0 16px 48px rgba(19, 43, 82, 0.12);
  --shadow-card: 0 2px 8px rgba(19, 43, 82, 0.06), 0 0 1px rgba(19, 43, 82, 0.1);
  --shadow-card-hover: 0 8px 24px rgba(19, 43, 82, 0.12), 0 0 1px rgba(19, 43, 82, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-news: 600ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max: 1140px;
  --container-narrow: 800px;
  --container-wide: 1280px;
  --header-height: 72px;
}


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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  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-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul,
ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}


/* --- Typography --- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-primary-dark);
  letter-spacing: var(--letter-spacing-wide);
}

h1 {
  font-size: var(--font-size-hero);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

.section-label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  margin-bottom: var(--space-lg);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  margin-top: var(--space-md);
}

.section-title--center {
  text-align: center;
}

.section-title--center::after {
  margin-left: auto;
  margin-right: auto;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 640px;
}

.section-subtitle--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}


/* --- Divider --- */
.divider {
  border: none;
  height: 1px;
  background-color: var(--color-border);
  margin: 0;
  width: 100%;
  opacity: 0.8;
}


/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

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

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

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

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

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

.grid {
  display: grid;
  gap: var(--space-2xl);
}

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

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}


/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo img {
  height: 46px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.header__nav-link {
  font-size: 15px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary-light);
  transition: width var(--transition-base);
  border-radius: var(--radius-full);
}

.header__nav-link:hover {
  color: var(--color-primary);
}

.header__nav-link:hover::after,
.header__nav-link.active::after {
  width: 100%;
}

.header__nav-link.active {
  color: var(--color-primary);
}

.header__cta {
  margin-left: var(--space-md);
  font-size: 14px;
  padding: 10px 24px;
}

.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  padding: 0;
  z-index: 1001;
}

.header__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

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

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

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

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(19, 43, 82, 0.4);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-overlay.active {
  opacity: 1;
}


/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.btn--primary {
  background: var(--gradient-cta);
  color: var(--color-text-inverse);
  box-shadow: 0 2px 8px rgba(0, 168, 139, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 168, 139, 0.4);
  color: var(--color-text-inverse);
}

.btn--secondary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: 0 2px 8px rgba(46, 89, 167, 0.3);
}

.btn--secondary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(46, 89, 167, 0.4);
  color: var(--color-text-inverse);
}

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

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

.btn--outline-white {
  border: 2px solid rgba(255, 255, 255, 0.6);
  color: var(--color-text-inverse);
  background: transparent;
}

.btn--outline-white:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-text-inverse);
  color: var(--color-text-inverse);
}

.btn--lg {
  padding: 16px 36px;
  font-size: var(--font-size-base);
}

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

.btn--icon::after {
  content: '→';
  font-size: 1.1em;
  transition: transform var(--transition-fast);
}

.btn--icon:hover::after {
  transform: translateX(4px);
}


/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-top: var(--header-height);
}

.hero--full {
  min-height: calc(100vh - var(--header-height));
}

.hero--compact {
  min-height: 360px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.hero__overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero-overlay);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  color: var(--color-text-inverse);
  max-width: 700px;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  flex-wrap: wrap;
}

.hero .section-label {
  font-size: calc(var(--font-size-sm) * 1.5);
  color: var(--color-primary-light);
  margin-bottom: var(--space-md);
}

.hero .hero__title {
  color: var(--color-text-inverse);
  font-size: calc(var(--font-size-hero) * 0.8);
  margin-bottom: var(--space-xl);
}

.hero__title-en {
  font-size: 1.125rem;
  /* PC version */
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
  color: var(--color-primary-lighter);
  display: block;
}

@media (max-width: 768px) {
  .hero__title-en {
    font-size: 1.28rem;
    /* Mobile version: 0.8x of 1.6rem(JP text) */
  }
}

.hero__title-jp {
  font-size: clamp(1.6rem, 5vw, 2.7rem);
  line-height: 1.4;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  display: block;
}

.hero__highlight {
  color: #00D1B2;
  /* Slightly brighter green for better visibility */
  font-weight: 800;
}

.hero__decoration {
  position: absolute;
  right: -80px;
  bottom: -40px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(82, 145, 237, 0.15) 0%, transparent 70%);
  z-index: 1;
}


/* --- Cards --- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

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

.card--accent-top {
  border-top: 3px solid var(--color-accent);
}

.card--primary-top {
  border-top: 3px solid var(--color-primary);
}

.card__icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-subtle);
  border-radius: var(--radius-md);
  padding: 12px;
}

.card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
  color: var(--color-primary-dark);
}

.card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.card__image {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-lg);
}

.card__image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card__image img {
  transform: scale(1.03);
}

.card--horizontal {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.card--horizontal .card__image {
  margin-bottom: 0;
}

.card--horizontal .card__image img {
  height: 160px;
}


/* --- Stat / Amount display --- */
.stat {
  text-align: center;
  padding: var(--space-xl);
}

.stat__value {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.amount {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-sm);
  color: var(--color-accent);
  font-weight: var(--font-weight-bold);
}

.amount__value {
  font-size: var(--font-size-3xl);
}

.amount__currency {
  font-size: var(--font-size-lg);
  opacity: 0.8;
}


.amount-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border-left: 4px solid var(--color-accent);
}

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


/* --- Feature List --- */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.feature-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: background var(--transition-fast);
}

.feature-list__item:hover {
  background: var(--color-surface-alt);
}

.feature-list__number {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: var(--color-text-inverse);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}


/* --- FAQ Accordion --- */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.accordion__item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-base);
}

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

.accordion__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  cursor: pointer;
  gap: var(--space-md);
  width: 100%;
  text-align: left;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-dark);
  transition: background var(--transition-fast);
}

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

.accordion__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-surface-alt);
  flex-shrink: 0;
  transition: transform var(--transition-base), background var(--transition-fast);
}

.accordion__icon::before {
  content: '';
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(45deg) translate(-1px, -1px);
  transition: transform var(--transition-base);
}

.accordion__item.open .accordion__icon {
  background: var(--color-primary);
}

.accordion__item.open .accordion__icon::before {
  border-color: var(--color-text-inverse);
  transform: rotate(-135deg) translate(-1px, -1px);
}

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

.accordion__item.open .accordion__body {
  max-height: 2000px;
}

.accordion__content {
  padding: 0 var(--space-xl) var(--space-xl);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.accordion__content a {
  color: var(--color-primary-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}


/* --- Compensation Table --- */
.comp-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.comp-table thead {
  background: var(--color-primary-dark);
  color: var(--color-text-inverse);
}

.comp-table th {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.02em;
}

.comp-table td {
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.comp-table tbody tr:last-child td {
  border-bottom: none;
}

.comp-table tbody tr:nth-child(even) {
  background: var(--color-surface-alt);
}

.comp-table tbody tr {
  transition: background var(--transition-fast);
}

.comp-table tbody tr:hover {
  background: rgba(82, 145, 237, 0.06);
}

.comp-table .highlight {
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
}


/* --- Contact Form --- */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-dark);
}

.form__input,
.form__textarea,
.form__select {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  width: 100%;
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(82, 145, 237, 0.15);
}

.form__textarea {
  resize: vertical;
  min-height: 140px;
}


/* --- Footer --- */
.footer {
  background: var(--color-primary-dark);
  color: var(--color-text-inverse);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.footer__logo img {
  height: 47px;
  margin-bottom: 0;
}

.footer__links {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.footer__link {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text-inverse);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: var(--space-xl);
  text-align: center;
}

.footer__copyright {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
}


/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.stagger-1 {
  transition-delay: 0.1s;
}

.stagger-2 {
  transition-delay: 0.2s;
}

.stagger-3 {
  transition-delay: 0.3s;
}

.stagger-4 {
  transition-delay: 0.4s;
}


/* --- Utility --- */
.text-center {
  text-align: center;
}

.text-accent {
  color: var(--color-accent);
}

.text-primary {
  color: var(--color-primary);
}

.text-secondary {
  color: var(--color-text-secondary);
}

.mt-sm {
  margin-top: var(--space-sm);
}

.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mt-xl {
  margin-top: var(--space-xl);
}

.mt-2xl {
  margin-top: var(--space-2xl);
}

.mb-sm {
  margin-bottom: var(--space-sm);
}

.mb-md {
  margin-bottom: var(--space-md);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.mb-xl {
  margin-bottom: var(--space-xl);
}

.mb-2xl {
  margin-bottom: var(--space-2xl);
}

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

.img-rounded {
  border-radius: var(--radius-lg);
}

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


/* --- Legal pages (tac, privacy-policy, eu261-jpn-full) --- */
.legal-content {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
}

.legal-content h2 {
  font-size: var(--font-size-xl);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  color: var(--color-primary-dark);
}

.legal-content h3 {
  font-size: var(--font-size-lg);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.legal-content p {
  margin-bottom: var(--space-md);
}

.legal-content ol {
  list-style: decimal;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-md);
}

.legal-content ol li {
  margin-bottom: var(--space-sm);
}

.legal-content a {
  text-decoration: underline;
  text-underline-offset: 2px;
}


/* --- Bilingual Article (eu261-jpn-full) --- */
.bilingual-article {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.bilingual-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  padding: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.bilingual-block__en {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  border-right: 1px solid var(--color-border-light);
  padding-right: var(--space-xl);
}

.bilingual-block__jp {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: var(--line-height-relaxed);
}


/* --- Airline Select --- */
.airline-category {
  margin-bottom: var(--space-2xl);
}

.airline-category__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-dark);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface-alt);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  border-bottom: 2px solid var(--color-primary-light);
  cursor: default;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.airline-list {
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.airline-list__item {
  padding: var(--space-sm) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border-light);
}

.airline-list__item:last-child {
  border-bottom: none;
}

.airline-list__item a {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  column-gap: var(--space-md);
  padding: 5px var(--space-md);
  min-height: 45px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), transform var(--transition-base);
  text-decoration: none;
}

.airline-list__item a:hover {
  background: var(--color-surface-alt);
}

.airline-link__names {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-sm);
}

.airline-link__en {
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.airline-link__jp {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.airline-link__codes {
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #8494A7;
  color: var(--color-text-inverse);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  width: 94px;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.airline-link__code {
  color: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: 1.2;
}

.airline-link__code:first-child::after {
  content: '/';
  margin: 0 6px;
  font-weight: var(--font-weight-normal);
  opacity: 0.75;
}

.airline-list__item a:hover .airline-link__en {
  color: var(--color-primary-dark);
}

.airline-list__item a:hover .airline-link__jp {
  color: var(--color-text);
}



.airline-link--other .airline-link__jp {
  color: var(--color-primary) !important;
  font-size: var(--font-size-base);
}

.airline-list__item a.airline-link--other:hover .airline-link__jp {
  color: var(--color-primary-dark) !important;
}


/* --- Case Card --- */
.voice-quote {
  font-size: 4rem;
  line-height: 1;
  color: var(--color-primary-light);
  font-family: serif;
  opacity: 0.2;
  margin-bottom: -1.5rem;
  font-weight: bold;
}

/* --- Case Showcase (Timeline Layout) --- */
.case-showcase {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-xl) 0;
  display: grid;
  grid-template-columns: 46% 46%;
  justify-content: space-between;
  row-gap: 0;
  grid-auto-rows: 1fr;
  /* Force rows to have equal height to enable 50% staggered interlocking */
}

.case-showcase::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg,
      transparent 0%,
      var(--color-primary-lighter) 8%,
      var(--color-primary-light) 50%,
      var(--color-primary-lighter) 92%,
      transparent 100%);
  transform: translateX(-50%);
  z-index: 1;
}

.case-showcase__item {
  position: relative;
  display: flex;
  align-items: start;
  margin-bottom: var(--space-md);
  /* Reduced from space-xl to allow closer interlocking */
  width: 100%;
  grid-row: span 2;
  z-index: 2;
}

.case-showcase__item:last-child {
  margin-bottom: 0;
}

/* Alternate left/right positioning */
.case-showcase__item:nth-child(odd) {
  grid-column: 1;
  margin-right: auto;
  margin-left: 0;
}

.case-showcase__item:nth-child(even) {
  grid-column: 2;
  margin-left: auto;
  margin-right: 0;
}

/* Interleaving row starts */
.case-showcase__item:nth-child(1) {
  grid-row: 1 / span 2;
}

.case-showcase__item:nth-child(2) {
  grid-row: 2 / span 2;
}

.case-showcase__item:nth-child(3) {
  grid-row: 3 / span 2;
}

.case-showcase__item:nth-child(4) {
  grid-row: 4 / span 2;
}

.case-showcase__item:nth-child(5) {
  grid-row: 5 / span 2;
}

.case-showcase__item:nth-child(6) {
  grid-row: 6 / span 2;
}

.case-showcase__item:nth-child(7) {
  grid-row: 7 / span 2;
}

.case-showcase__item:nth-child(8) {
  grid-row: 8 / span 2;
}

.case-showcase__item:nth-child(9) {
  grid-row: 9 / span 2;
}

.case-showcase__item:nth-child(10) {
  grid-row: 10 / span 2;
}

/* Timeline node dot */
.case-showcase__item::before {
  content: '';
  position: absolute;
  top: 160px;
  /* Align with the bottom edge of the 160px image header */
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--color-surface);
  border: 3px solid var(--color-primary-light);
  transform: translateY(-50%);
  z-index: 3;
  transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.case-showcase__item:nth-child(odd)::before {
  left: calc(100% + 400% / 46 - 7px);
}

.case-showcase__item:nth-child(even)::before {
  left: calc(-400% / 46 - 7px);
}

/* Connector line from card to timeline */
.case-showcase__item::after {
  content: '';
  position: absolute;
  top: 160px;
  /* Match the dot position */
  height: 2px;
  background: var(--color-primary-lighter);
  z-index: 1;
  transform: translateY(-50%);
  opacity: 0.6;
}

.case-showcase__item:nth-child(odd)::after {
  left: 100%;
  width: calc(400% / 46);
}

.case-showcase__item:nth-child(even)::after {
  right: 100%;
  width: calc(400% / 46);
}

/* Hover effect on timeline node */
.case-showcase__item:hover::before {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 6px rgba(0, 168, 139, 0.15);
}

/* Card styling */
.case-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  width: 100%;
  position: relative;
}

.case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.case-card:hover::before {
  opacity: 1;
}

.case-card__image {
  height: 240px;
  overflow: hidden;
  position: relative;
}

.case-card__image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40px;
  background: linear-gradient(transparent, rgba(255, 255, 255, 0.6));
  pointer-events: none;
}

.case-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.case-card:hover .case-card__image img {
  transform: scale(1.08);
}

.case-card__body {
  padding: var(--space-lg) var(--space-xl) var(--space-xl);
}

.case-card__amount {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-xs);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  position: relative;
}


.case-card__amount-jpy {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-normal);
}

.case-card__airline {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-dark);
  margin-bottom: var(--space-sm);
}


.case-card__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Slide-in animations for timeline cards */
.case-showcase__item.slide-in-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.case-showcase__item.slide-in-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.case-showcase__item.slide-in-left.visible,
.case-showcase__item.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Staggered delays for timeline items */
.case-showcase__item:nth-child(1) {
  transition-delay: 0s;
}

.case-showcase__item:nth-child(2) {
  transition-delay: 0.12s;
}

.case-showcase__item:nth-child(3) {
  transition-delay: 0.24s;
}

.case-showcase__item:nth-child(4) {
  transition-delay: 0.36s;
}

.case-showcase__item:nth-child(5) {
  transition-delay: 0.48s;
}

.case-showcase__item:nth-child(6) {
  transition-delay: 0.6s;
}

.case-showcase__item:nth-child(7) {
  transition-delay: 0.72s;
}

/* Mobile: stack vertically */
@media (max-width: 768px) {
  .case-showcase {
    display: block;
  }

  .case-showcase::before {
    left: 20px;
  }

  .case-showcase__item {
    width: 100%;
    padding-left: 48px;
    margin-left: 0 !important;
    margin-right: 0 !important;
    margin-bottom: var(--space-2xl);
  }

  .case-showcase__item::before {
    left: 13px !important;
    right: auto !important;
    top: 36px;
  }

  .case-showcase__item::after {
    left: 27px !important;
    right: auto !important;
    width: 21px !important;
    top: 36px;
    transform: translateY(-50%) translateX(0) !important;
  }

  .case-showcase__item.slide-in-left,
  .case-showcase__item.slide-in-right {
    transform: translateX(40px);
  }

  .case-card__body {
    padding: var(--space-md) var(--space-lg) var(--space-lg);
  }
}


/* --- Split Section (image + text) --- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.split--reverse {
  direction: rtl;
}

.split--reverse>* {
  direction: ltr;
}

.split__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.split__image img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}


/* --- Outline Page Custom Alignment --- */
@media (min-width: 1025px) {

  #delay .split,
  #cancellation .split {
    align-items: flex-start;
  }

  #delay .split__image,
  #cancellation .split__image {
    margin-top: calc(56px + var(--space-lg) + (clamp(1.5rem, 3.5vw, 2.25rem) * var(--line-height-tight) / 2));
  }
}


/* --- CTA Banner --- */
.cta-banner {
  background: var(--gradient-hero);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-2xl);
  text-align: center;
  color: var(--color-text-inverse);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(82, 145, 237, 0.2) 0%, transparent 70%);
}

.cta-banner__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-md);
  position: relative;
}

.cta-banner__text {
  font-size: var(--font-size-base);
  opacity: 0.85;
  margin-bottom: var(--space-xl);
  position: relative;
}

.cta-banner .btn {
  position: relative;
}


/* --- Page Header (non-hero) --- */
.page-header {
  margin-top: var(--header-height);
  background: var(--gradient-hero);
  padding: var(--space-3xl) 0;
  text-align: center;
  color: var(--color-text-inverse);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(82, 145, 237, 0.2) 0%, transparent 70%);
}

.page-header__title {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-sm);
  position: relative;
}

.page-header__subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.85;
  position: relative;
}


/* --- Legal Text Styles (tac, privacy-policy, eu261-jpn-full) --- */
.legal-text {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
}

.legal-text h2 {
  font-size: var(--font-size-xl);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  color: var(--color-primary-dark);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.legal-text h3 {
  font-size: var(--font-size-lg);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  color: var(--color-primary-dark);
}

.legal-text p {
  margin-bottom: var(--space-md);
}

.legal-text ol {
  list-style: decimal;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-md);
}

.legal-text ol li {
  margin-bottom: var(--space-sm);
}

.legal-text a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-text__note {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: var(--space-2xl);
  font-style: italic;
}


/* --- Legal Article (bilingual EU261 full text) --- */
.legal-article {
  margin-bottom: var(--space-2xl);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

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

.legal-article__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  background: var(--color-primary-dark);
  padding: var(--space-md) var(--space-xl);
  margin: 0;
}

.legal-article__original {
  padding: calc(var(--space-lg) / 2) var(--space-xl) var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  background: var(--color-surface);
}

.legal-article__original p {
  margin-bottom: var(--space-sm);
}

.legal-article__translation {
  padding: calc(var(--space-lg) / 2) var(--space-xl) var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: var(--line-height-relaxed);
  background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border-light);
}

.legal-article__translation h3,
.legal-article__original h3 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-top: calc(var(--space-xl) / 2);
  margin-bottom: var(--space-md);
}

.legal-article__translation p {
  margin-bottom: var(--space-sm);
}

.legal-text__source {
  margin-top: var(--space-2xl);
  text-align: center;
}


/* --- Contact Form --- */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-dark);
}

.form-required {
  color: #E53E3E;
}

.form-input,
.form-textarea {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  width: 100%;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(82, 145, 237, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-light);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}


/* --- Page Top Offset --- */
.page-top {
  margin-top: var(--header-height);
}


/* --- Note / Disclaimer text --- */
.note {
  font-size: calc(var(--font-size-xs) * 1.2);
  color: var(--color-text-light);
  line-height: var(--line-height-relaxed);
  margin-top: var(--space-md);
}




/* --- Submission Page: Guide Steps --- */
.step-heading {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.step-heading__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-subtle);
  border-radius: var(--radius-md);
  padding: 12px;
  flex-shrink: 0;
}

.step-heading__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.step-heading__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.step-heading__title {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--color-primary-dark);
  margin: 0;
}

.step-heading__title::after {
  display: none;
}

/* Guide Steps: Timeline Flow Layout */
.guide-steps-timeline {
  position: relative;
  padding-left: 56px;
}

/* Vertical connector line */
.guide-steps-timeline::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(180deg,
      var(--color-primary-light) 0%,
      var(--color-primary-lighter) 50%,
      var(--color-accent) 100%);
  border-radius: var(--radius-full);
}

.guide-step {
  position: relative;
  padding: var(--space-lg) 0;
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border-light);
  transition: background var(--transition-base);
}

.guide-step:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

/* Numbered circle on the timeline */
.guide-step__number {
  position: absolute;
  left: -56px;
  top: var(--space-lg);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-hero);
  color: var(--color-text-inverse);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(46, 89, 167, 0.25);
  z-index: 1;
  transition: transform var(--transition-spring), box-shadow var(--transition-base);
}

.guide-step__title {
  display: block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-dark);
  margin-bottom: var(--space-xs);
}

.guide-step:hover .guide-step__number {
  transform: scale(1.12);
  box-shadow: 0 4px 14px rgba(46, 89, 167, 0.35);
}

/* Text (description) comes first */
.guide-step__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-lg);
}

/* Image comes second */
.guide-step__image {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.guide-step:hover .guide-step__image {
  box-shadow: var(--shadow-md);
}

.guide-step__image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Mobile adjustments for timeline */
@media (max-width: 768px) {
  .guide-steps-timeline {
    padding-left: 44px;
  }

  .guide-steps-timeline::before {
    left: 15px;
  }

  .guide-step__number {
    left: -44px;
    width: 32px;
    height: 32px;
    font-size: var(--font-size-xs);
  }
}

.note--bordered {
  padding-left: var(--space-lg);
}


/* --- Recent News Section (index.html) --- */
.recent-news {
  position: relative;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  max-height: 0;
  opacity: 0;
  overflow: visible;
  transition: max-height var(--transition-news), opacity var(--transition-news), padding var(--transition-news);
  visibility: hidden;
  pointer-events: none;
  z-index: 10;
}

.recent-news.is-visible {
  max-height: 500px;
  /* Large enough for content */
  opacity: 1;
  padding: var(--space-xl) 0;
  visibility: visible;
  pointer-events: auto;
}

/* Manual collapsed state */
.recent-news.is-collapsed {
  max-height: 0;
  padding: 0;
  border-bottom-color: transparent;
  /* Hide line when collapsed if desired, or keep for arrow base */
}

.recent-news__inner {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  transition: opacity var(--transition-news), transform var(--transition-news);
}

.recent-news.is-collapsed .recent-news__inner {
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
}

.recent-news__badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
  padding: 6px 14px;
  background: var(--color-surface-alt);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.recent-news__badge img {
  width: 20px;
  height: 20px;
  opacity: 0.6;
}

.recent-news__badge-text {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.recent-news__content {
  flex: 1;
  min-width: 0;
}

.recent-news__item {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  background: var(--color-surface);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.recent-news__item:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.recent-news__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-sm);
}

.recent-news__date {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  font-weight: var(--font-weight-medium);
}

/* Protruding Toggle Button */
.recent-news__toggle {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translate(-50%, 50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-primary-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  z-index: 20;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.recent-news.is-visible .recent-news__toggle {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.recent-news__toggle:hover {
  background: var(--color-primary-light);
  color: var(--color-text-inverse);
  border-color: var(--color-primary-light);
  transform: translate(-50%, 40%);
  box-shadow: var(--shadow-md);
}

.recent-news__toggle-icon {
  width: 6px;
  height: 6px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-135deg);
  /* Up (to collapse) */
  transition: transform var(--transition-news);
  margin-top: 1px;
}

.recent-news__toggle.is-collapsed .recent-news__toggle-icon {
  transform: rotate(45deg);
  /* Down (to expand) */
  margin-top: -3px;
}

@media (max-width: 768px) {
  .recent-news__inner {
    flex-direction: column;
    gap: var(--space-md);
  }
}


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

@media (max-width: 1024px) {
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .split {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .split--reverse {
    direction: ltr;
  }

  .bilingual-block {
    grid-template-columns: 1fr;
  }

  .bilingual-block__en {
    border-right: none;
    padding-right: 0;
    border-bottom: 1px solid var(--color-border-light);
    padding-bottom: var(--space-xl);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .header__nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--header-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    gap: var(--space-sm);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-base);
    z-index: 1000;
    overflow-y: auto;
  }

  .header__nav.open {
    right: 0;
  }

  .header__nav-link {
    font-size: var(--font-size-base);
    padding: var(--space-md) 0;
    width: 100%;
    border-bottom: 1px solid var(--color-border-light);
  }

  .header__nav-link::after {
    display: none;
  }

  .header__cta {
    margin-left: 0;
    margin-top: var(--space-md);
    font-size: 15.4px;
    padding: 12px 28px;
    width: 100%;
    text-align: center;
  }

  .header__hamburger {
    display: flex;
  }

  .mobile-overlay.active {
    display: block;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 280px;
    /* Reduced by 200px from 480px */
  }

  .hero--full {
    min-height: calc(100vh - var(--header-height) - 150px);
  }


  .hero__actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

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

  .container {
    padding: 0 var(--space-lg);
  }

  .footer__inner {
    flex-direction: column;
  }

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

  .card--horizontal {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    padding: var(--space-2xl) var(--space-lg);
  }

  /* Airline List Mobile Adjustments */
  .airline-list__item a {
    padding: var(--space-sm) var(--space-md);
    min-height: 58px;
  }

  .airline-link__names {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .airline-link__en {
    font-size: 0.95rem;
    line-height: var(--line-height-tight);
  }

  .airline-link__jp {
    font-size: 0.75rem;
    line-height: 1.2;
  }

  .airline-link__codes {
    width: 86px;
    font-size: 0.7rem;
    padding: 3px 6px;
  }
}

/* --- Utilities --- */
.u-desktop-only {
  display: block;
}

@media (max-width: 768px) {
  .u-desktop-only {
    display: none;
  }
}

.u-mobile-only {
  display: none;
}

@media (max-width: 768px) {
  .u-mobile-only {
    display: block;
  }
}

.u-nowrap {
  white-space: nowrap;
}

@media (max-width: 480px) {
  .hero {
    min-height: 400px;
  }

  .btn--lg {
    padding: 14px 28px;
    font-size: var(--font-size-sm);
  }
}