:root {
  --bg: #F5F0E6;
  --bg-alt: #EDE7D9;
  --fg: #2A2318;
  --fg-muted: #6B5E4F;
  --green-deep: #2D4A22;
  --green-mid: #4A7A3A;
  --green-light: #7FB069;
  --terracotta: #C4704B;
  --cream: #F5F0E6;
  --white: #FDFBF7;
  --spring: #8BC34A;
  --summer: #4CAF50;
  --autumn: #FF9800;
  --winter: #607D8B;
  --font-display: 'Shippori Mincho', serif;
  --font-body: 'Noto Sans JP', sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(
    160deg,
    #2D4A22 0%,
    #3A5C2E 30%,
    #4A7A3A 60%,
    #2D4A22 100%
  );
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(127,176,105,0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 30%, rgba(196,112,75,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-kicker {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: rgba(245,240,230,0.6);
  margin-bottom: 2.5rem;
  text-transform: uppercase;
}

.hero-title {
  margin-bottom: 2rem;
}

.hero-title-jp {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.8rem);
  font-weight: 800;
  color: var(--cream);
  line-height: 1.5;
  letter-spacing: 0.05em;
}

.hero-divider {
  width: 60px;
  height: 2px;
  background: var(--terracotta);
  margin: 2rem auto;
}

.hero-sub {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: rgba(245,240,230,0.85);
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
}

.hero-en {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 300;
  color: rgba(245,240,230,0.45);
  letter-spacing: 0.1em;
}

.hero-accent-line {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--terracotta) 0%, var(--green-light) 50%, var(--terracotta) 100%);
}

/* ===== STORY ===== */
.story {
  padding: 6rem 2rem;
  background: var(--white);
}

.story-inner {
  max-width: 680px;
  margin: 0 auto;
}

.story-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 1.5rem;
}

.story-heading {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 600;
  color: var(--green-deep);
  margin-bottom: 2rem;
  line-height: 1.5;
}

.story-body p {
  font-size: 1rem;
  line-height: 2;
  color: var(--fg);
  margin-bottom: 1.5rem;
}

.story-body p:last-child {
  margin-bottom: 0;
}

/* ===== PHILOSOPHY ===== */
.philosophy {
  padding: 6rem 2rem;
  background: var(--bg-alt);
}

.philosophy-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.philosophy-card {
  padding: 2.5rem 2rem;
  background: var(--white);
  border-left: 3px solid var(--green-deep);
}

.philosophy-number {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--terracotta);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 1rem;
}

.philosophy-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--green-deep);
  margin-bottom: 0.8rem;
  line-height: 1.4;
}

.philosophy-card p {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--fg-muted);
}

/* ===== SEASONS ===== */
.seasons {
  padding: 6rem 2rem;
  background: var(--green-deep);
  color: var(--cream);
}

.seasons-inner {
  max-width: 800px;
  margin: 0 auto;
}

.seasons-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 1.5rem;
}

.seasons-heading {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 3rem;
  line-height: 1.5;
}

.seasons-timeline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.season-item {
  display: grid;
  grid-template-columns: 60px 100px 1fr;
  align-items: center;
  gap: 1.5rem;
}

.season-bar {
  height: 4px;
  border-radius: 2px;
}

.season-bar.spring { background: var(--spring); }
.season-bar.summer { background: var(--summer); }
.season-bar.autumn { background: var(--autumn); }
.season-bar.winter { background: var(--winter); }

.season-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--cream);
}

.season-desc {
  font-size: 0.85rem;
  color: rgba(245,240,230,0.6);
  font-weight: 300;
}

/* ===== ROOTS ===== */
.roots {
  padding: 6rem 2rem;
  background: var(--white);
}

.roots-inner {
  max-width: 680px;
  margin: 0 auto;
}

.roots-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 1.5rem;
}

.roots-heading {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 600;
  color: var(--green-deep);
  margin-bottom: 2rem;
  line-height: 1.5;
}

.roots-body {
  font-size: 1rem;
  line-height: 2;
  color: var(--fg);
}

/* ===== CLOSING ===== */
.closing {
  padding: 8rem 2rem;
  background: linear-gradient(
    160deg,
    #2A2318 0%,
    #3A2F22 50%,
    #2A2318 100%
  );
  text-align: center;
}

.closing-inner {
  max-width: 600px;
  margin: 0 auto;
}

.closing-quote {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--cream);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.closing-sub {
  font-size: 0.95rem;
  line-height: 2;
  color: rgba(245,240,230,0.55);
  font-weight: 300;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 3rem 2rem;
  background: #1A1510;
  color: rgba(245,240,230,0.4);
  font-size: 0.8rem;
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  color: rgba(245,240,230,0.7);
}

.footer-details p {
  margin: 0;
  line-height: 1.6;
}

.footer-social span {
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .season-item {
    grid-template-columns: 40px 80px 1fr;
    gap: 1rem;
  }

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

  .hero {
    min-height: 90vh;
    padding: 3rem 1.5rem;
  }

  .story,
  .philosophy,
  .seasons,
  .roots {
    padding: 4rem 1.5rem;
  }

  .closing {
    padding: 5rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .season-item {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }

  .season-bar {
    width: 40px;
  }
}