:root {
  --color-primary: #84994f;
  --color-secondary: #ffe797;
  --color-accent: #fcb53b;
  --color-contrast: #b45253;
  --color-text: #263024;
  --color-surface: #fffdf8;
  --color-surface-alt: #f7f3e8;
  --font-heading: "Segoe UI", "Yu Gothic UI", "Noto Sans JP", sans-serif;
  --font-body: "Segoe UI", "Noto Sans", sans-serif;
  --shadow-soft: 0 12px 35px rgba(40, 50, 30, 0.12);
  --shadow-card: 0 8px 20px rgba(132, 153, 79, 0.2);
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.4rem;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: radial-gradient(circle at 10% 10%, #fffefb, var(--color-surface));
  line-height: 1.6;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.2rem;
  transition: color 0.25s ease;
}

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

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

header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 251, 238, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #ece2c6;
}

.header-wrap,
.content-wrap,
.footer-wrap {
  width: min(1140px, 92%);
  margin: 0 auto;
}

.header-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding: 0.9rem 0;
}

.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;
  }
}

nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

nav a {
  text-decoration-line: underline;
}

main {
  overflow: clip;
}

section {
  padding: var(--space-6) 0;
}

.section-title {
  margin: 0 0 var(--space-3);
  font-size: clamp(1.45rem, 2.2vw, 2rem);
}

.lead {
  font-size: 1.08rem;
  color: #3f4d3a;
}

.hero {
  padding: var(--space-5) 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: var(--space-5);
  align-items: center;
}

.hero-slider {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.slide {
  display: none;
}

.slide.active {
  display: block;
  animation: fadeIn 0.8s ease;
}

.slide img {
  width: 100%;
  height: 430px;
  object-fit: cover;
}

.slider-controls {
  position: absolute;
  right: var(--space-3);
  bottom: var(--space-3);
  display: flex;
  gap: var(--space-2);
}

button,
.button-link {
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.72rem 1.12rem;
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  font: inherit;
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 4px 12px rgba(132, 153, 79, 0.3);
}

button:hover,
button:focus-visible,
.button-link:hover,
.button-link:focus-visible {
  transform: translateY(-2px);
  background: var(--color-contrast);
  box-shadow: 0 8px 18px rgba(180, 82, 83, 0.35);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.card {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: var(--space-4);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

.notice {
  background: #fff4df;
  border-left: 6px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.nz-highlight {
  background: linear-gradient(145deg, #fff7db, #fffef8);
  border: 1px solid #efdfb2;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-soft);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.badge {
  display: inline-flex;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: #f2e9cd;
  color: #4a553b;
  font-size: 0.92rem;
}

.timeline {
  display: grid;
  gap: var(--space-3);
}

.timeline article {
  padding: var(--space-3);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: #fff;
}

.accordion-item {
  border: 1px solid #eadfbf;
  background: #fff;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.accordion-trigger {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--color-text);
  box-shadow: none;
}

.accordion-content {
  display: none;
  padding: 0 var(--space-3) var(--space-3);
}

.accordion-item.open .accordion-content {
  display: block;
}

.program-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.program-card {
  border-top: 4px solid transparent;
}

.program-card[data-level="starter"] {
  border-top-color: var(--color-primary);
}

.program-card[data-level="guided"] {
  border-top-color: var(--color-accent);
}

.program-card[data-level="deep"] {
  border-top-color: var(--color-contrast);
}

.interactive-panel {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: var(--space-4);
}

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

.output-chip {
  margin-top: var(--space-3);
  background: #f2f7e5;
  border-radius: var(--radius-sm);
  display: inline-block;
  padding: 0.45rem 0.7rem;
}

form {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: var(--space-5);
}

label {
  display: block;
  font-weight: 600;
  margin-top: var(--space-3);
}

input,
textarea {
  width: 100%;
  border: 1px solid #d7d7d7;
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  font: inherit;
  margin-top: var(--space-1);
}

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

.field-error {
  color: #9f2222;
  min-height: 1.2em;
  font-size: 0.9rem;
}

.input-invalid {
  border-color: #9f2222;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

footer {
  background: #21281d;
  color: #f6f7f1;
  margin-top: var(--space-7);
}

.footer-wrap {
  padding: var(--space-6) 0;
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1.25fr 1fr 1fr;
}

footer a {
  color: #f6f7f1;
}

.cookie-banner {
  position: fixed;
  left: 50%;
  bottom: var(--space-3);
  transform: translateX(-50%);
  width: min(920px, 94%);
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  z-index: 40;
  padding: var(--space-4);
}

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

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.cookie-panel {
  margin-top: var(--space-3);
  border-top: 1px solid #e8e8e8;
  padding-top: var(--space-3);
}

.toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.map-frame {
  width: 100%;
  min-height: 330px;
  border: 0;
  border-radius: var(--radius-md);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(1.01);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (max-width: 980px) {

  .hero-grid,
  .split,
  .card-grid,
  .footer-wrap {
    grid-template-columns: 1fr;
  }

  .slide img {
    height: 320px;
  }
}

@media (max-width: 640px) {
  .header-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  nav ul {
    gap: var(--space-2);
  }

  section {
    padding: var(--space-5) 0;
  }
}