:root {
  --color-primary: #3338a0;
  --color-secondary: #c59560;
  --color-accent: #fcc61d;
  --color-bg: #f7f7f7;
  --color-text: #1b1b1b;
  --color-surface: #ffffff;
  --color-muted: #5f6474;
  --font-main: "Noto Sans JP", "Segoe UI", Arial, sans-serif;
  --font-heading: "Cormorant Garamond", Georgia, serif;
  --shadow-soft: 0 10px 24px rgba(0, 0, 0, 0.08);
  --shadow-strong: 0 14px 28px rgba(51, 56, 160, 0.18);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--color-text);
  background: radial-gradient(circle at 10% 10%, #ffffff 0%, var(--color-bg) 60%);
  line-height: 1.65;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color .3s ease, opacity .3s ease, transform .3s ease;
}

a:hover,
a:focus-visible {
  color: var(--color-secondary);
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-md);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 247, 247, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(51, 56, 160, 0.14);
}

.header-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.brand {
  display: block;
}

.brand img {
  width: 4rem;
  position: relative;
  z-index: 20;
}

.brand img {
  display: inline-block;
  transform: rotate(-5deg);
  transition: transform var(--transition-normal);
}

.brand:hover img {
  transform: rotate(0);
}

/* Responsive Styles */
@media (max-width: 992px) {
  .brand img {
    width: 3rem;
    position: relative;
    z-index: 20;
  }
}

@media (max-width: 768px) {
  .brand img {
    width: 3rem;
    position: relative;
    z-index: 20;
  }
}

@media (max-width: 576px) {
  .brand img {
    width: 2rem;
    position: relative;
    z-index: 20;
  }
}

@media (max-width: 400px) {
  .brand img {
    width: 2rem;
    position: relative;
    z-index: 20;
  }
}

.menu-toggle {
  display: none;
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.6rem;
  cursor: pointer;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--space-lg);
}

.main-nav a {
  font-weight: 600;
  text-decoration-line: underline;
  text-underline-offset: 8px;
  text-decoration-thickness: 2px;
  text-decoration-color: transparent;
}

.main-nav a.active,
.main-nav a:hover,
.main-nav a:focus-visible {
  text-decoration-color: var(--color-accent);
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

.split-hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  margin-bottom: var(--space-2xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: var(--color-primary);
  background: rgba(51, 56, 160, 0.1);
  border-radius: 999px;
  padding: .25rem .75rem;
  font-size: .92rem;
  margin-bottom: var(--space-md);
}

.hero-collage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.hero-collage figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.hero-collage figure:nth-child(2) {
  transform: translateY(18px);
}

.hero-collage figure:nth-child(3) {
  transform: translateY(-12px);
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.2;
  color: var(--color-primary);
  font-family: var(--font-heading);
}

.lead {
  font-size: 1.08rem;
  color: var(--color-muted);
}

.section-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  border: 1px solid rgba(51, 56, 160, .08);
}

.section-card:hover {
  box-shadow: var(--shadow-strong);
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
}

.grid-three {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}

.highlight-block {
  background: linear-gradient(135deg, rgba(51, 56, 160, .1), rgba(197, 149, 96, .12));
  border: 1px solid rgba(51, 56, 160, .1);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  padding: 0;
  margin: 1rem 0 0;
  list-style: none;
}

.pill-list li {
  background: rgba(252, 198, 29, .22);
  border: 1px solid rgba(197, 149, 96, .35);
  padding: .35rem .7rem;
  border-radius: 999px;
  font-size: .9rem;
}

.button {
  display: inline-block;
  border: 0;
  border-radius: var(--radius-sm);
  padding: .75rem 1.2rem;
  cursor: pointer;
  font-weight: 600;
  background: var(--color-primary);
  color: #fff;
  transition: transform .2s ease, box-shadow .3s ease, background .3s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(35, 39, 130, .35);
  color: #fff;
  background: #232782;
}

.button.secondary {
  background: var(--color-secondary);
}

.button.ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.tabs {
  display: grid;
  gap: var(--space-md);
}

.tab-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.tab-button {
  border: 1px solid rgba(51, 56, 160, .2);
  border-radius: 999px;
  background: #fff;
  color: var(--color-primary);
  padding: .45rem .85rem;
  cursor: pointer;
}

.tab-button.active {
  background: var(--color-primary);
  color: #fff;
}

.tab-panel {
  display: none;
  background: #fbfbff;
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  border: 1px solid rgba(51, 56, 160, .12);
}

.tab-panel.active {
  display: block;
  animation: fadeIn .45s ease;
}

.accordion {
  display: grid;
  gap: .6rem;
}

.accordion-item {
  border: 1px solid rgba(51, 56, 160, .12);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
}

.accordion-trigger {
  width: 100%;
  text-align: left;
  border: 0;
  background: #fff;
  color: var(--color-primary);
  font-weight: 600;
  padding: .9rem 1rem;
  cursor: pointer;
}

.accordion-content {
  display: none;
  padding: 0 1rem 1rem;
  color: var(--color-muted);
}

.accordion-item.open .accordion-content {
  display: block;
  animation: slideDown .25s ease;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}

.stat-card {
  text-align: center;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid rgba(51, 56, 160, .1);
  padding: var(--space-md);
}

.stat-number {
  font-size: 1.7rem;
  color: var(--color-primary);
  font-weight: 700;
  display: block;
}

.timeline {
  display: grid;
  gap: .8rem;
}

.timeline-step {
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: start;
  gap: .75rem;
}

.timeline-dot {
  width: 14px;
  height: 14px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--color-secondary);
  box-shadow: 0 0 0 5px rgba(197, 149, 96, .2);
}

form {
  display: grid;
  gap: var(--space-md);
}

label {
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  border: 1px solid #bdbdbd;
  border-radius: var(--radius-sm);
  padding: .75rem;
  font: inherit;
  transition: border-color .3s ease, box-shadow .3s ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(51, 56, 160, .12);
}

.error {
  min-height: 1.2rem;
  color: #b00020;
  font-size: .9rem;
}

.site-footer {
  border-top: 1px solid rgba(51, 56, 160, .16);
  padding: var(--space-lg);
  text-align: center;
  font-size: .95rem;
}

.footer-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  margin-right: var(--space-md);
}

.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, .08);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: var(--space-lg);
  z-index: 60;
}

.cookie-banner[hidden] {
  display: none;
}

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

.cookie-panel {
  margin-top: var(--space-md);
  border-top: 1px solid #ddd;
  padding-top: var(--space-md);
}

.toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fafafa;
  border-radius: var(--radius-sm);
  padding: .5rem .7rem;
  margin-bottom: .5rem;
}

iframe {
  width: 100%;
  border: 0;
  min-height: 280px;
  border-radius: var(--radius-md);
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s ease, transform .6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }

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

@media (max-width: 900px) {

  .split-hero,
  .grid-two,
  .grid-three,
  .stats {
    grid-template-columns: 1fr;
  }

  .menu-toggle {
    display: inline-block;
  }

  .main-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, .08);
    padding: 1rem 1.5rem;
    display: none;
  }

  .main-nav ul {
    flex-direction: column;
    gap: .75rem;
  }

  .main-nav.open {
    display: block;
  }
}