:root {
  --green-dark: #233c1e;
  --green-mid: #233c1e;
  --green-deep: #233c1e;
  --green-footer: #233c1e;
  --green-bright: #118915;
  --accent-yellow: #f8b801;
  --text: #1a1a1a;
  --text-light: #666;
  --bg: #f7f3ea;
  --font-en: 'Inter', sans-serif;
  --font-jp: 'Zen Kaku Gothic New', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-jp);
  overflow-x: hidden;
}

/* ─── SCROLL ANIMATIONS ─────────────────────────────── */
.js-animation {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.js-animation.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.js-animation:nth-child(2) { transition-delay: 0.08s; }
.js-animation:nth-child(3) { transition-delay: 0.16s; }
.js-animation:nth-child(4) { transition-delay: 0.24s; }

/* ─── NAV ─────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 20px 8vw 20px 5vw;
  background: var(--green-dark);
  transition: padding 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s;
}

.nav.nav--scrolled {
  padding: 14px 8vw 14px 5vw;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
}

.nav-logo {
  font-family: var(--font-en);
  font-size: 17px;
  font-weight: 300;
  letter-spacing: 0;
  margin-right: auto;
  color: #fff;
}

.nav-logo a {
  color: #fff;
  text-decoration: none;
  transition: opacity 0.2s;
}

.nav-logo a:hover {
  opacity: 0.65;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #fff;
}

/* ── Hamburger ── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  margin-left: 16px;
}

.hamburger-line,
.hamburger-line::before,
.hamburger-line::after {
  display: block;
  width: 22px;
  height: 1px;
  background: #fff;
  transition: all 0.3s;
  position: relative;
}

.hamburger-line::before,
.hamburger-line::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger-line::before { top: -7px; }
.hamburger-line::after  { top: 7px; }

.hamburger.is-open .hamburger-line { background: transparent; }
.hamburger.is-open .hamburger-line::before { transform: rotate(45deg); top: 0; }
.hamburger.is-open .hamburger-line::after  { transform: rotate(-45deg); top: 0; }

/* ─── HERO ─────────────────────────────────────────── */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  padding-top: 57px;
  overflow: hidden;
}

.hero-text-area {
  position: relative;
  z-index: 2;
  padding: 5vh 8vw 4vh 5vw;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-sub,
.hero-date {
  margin: 0;
  padding: 0;
  margin-left: 2px;
}

.hero-brand {
  font-family: var(--font-en);
  font-size: clamp(42px, 7vw, 96px);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--green-dark);
  line-height: 1.05;
  margin-left: -8px;
  margin-bottom: 16px;
  opacity: 0;
  animation: heroFadeUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.hero-sub {
  font-family: var(--font-jp);
  font-size: clamp(12px, 1.2vw, 14px);
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--text-light);
  margin-bottom: 8px;
  opacity: 0;
  animation: heroFadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.45s forwards;
}

.hero-date {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--text-light);
  opacity: 0;
  animation: heroFadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.55s forwards;
}

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-illustration {
  width: 100%;
  overflow: hidden;
}

.city-svg {
  width: 100%;
  height: auto;
  display: block;
}

#hero-botanical-svg {
  width: 100%;
  height: auto;
  display: block;
  transform-origin: bottom center;
  animation: gardenSway 7s ease-in-out infinite;
}

@keyframes gardenSway {
  0%,100% { transform: rotate(-0.5deg) translateX(-5px); }
  50%     { transform: rotate(0.5deg)  translateX(5px); }
}

.hero-vertical-text {
  position: absolute;
  right: 5vw;
  top: calc(57px + 5vh);
  display: flex;
  flex-direction: column;
  gap: 6px;
  writing-mode: vertical-rl;
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.35em;
  color: var(--green-dark);
  opacity: 0;
  animation: heroFadeUp 1s ease 0.8s forwards;
  z-index: 2;
}

@keyframes heroFadeIn {
  from { opacity: 0; }
  to   { opacity: 0.6; }
}

/* ── Ticker ── */
.hero-ticker {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--green-dark);
  color: #fff;
  padding: 12px 5vw;
  overflow: hidden;
  flex-shrink: 0;
}

.hero-ticker-label {
  font-family: var(--font-en);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  white-space: nowrap;
  flex-shrink: 0;
}

.hero-ticker-track-wrap {
  overflow: hidden;
  flex: 1;
}

@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.hero-ticker-track {
  display: flex;
  white-space: nowrap;
  animation: ticker 35s linear infinite;
}

.hero-ticker-track:hover {
  animation-play-state: paused;
}

.hero-ticker-item {
  font-family: var(--font-jp);
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.82);
  padding: 0 44px;
  white-space: nowrap;
  display: inline-block;
}

.hero-ticker-item em {
  font-style: normal;
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-yellow);
  margin-right: 12px;
}

/* ─── ABOUT （タグライン）─────────────────── */
.about {
  padding: 140px 5vw 120px;
  overflow: hidden;
}

.about-tagline {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.about-tagline p {
  font-family: var(--font-jp);
  font-size: clamp(36px, 5.5vw, 80px);
  font-weight: 300;
  line-height: 1.5;
  color: var(--text);
  letter-spacing: 0.08em;
}

/* ─── GARDEN NAME MARQUEE ────────────────────────── */
.name-marquee {
  overflow: hidden;
  background: var(--green-dark);
  padding: 14px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.name-marquee-track {
  display: flex;
  white-space: nowrap;
  animation: marquee-fwd 30s linear infinite;
}

@keyframes marquee-fwd {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.name-marquee span {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  padding: 0 24px;
  flex-shrink: 0;
}

.name-marquee .sep {
  color: var(--accent-yellow);
  padding: 0 4px;
  opacity: 0.8;
}

/* ─── CONCEPT ─────────────────────────────────────── */
.concept {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 480px;
}

.concept-text {
  background: var(--green-dark);
  color: #fff;
  padding: 100px 8vw 100px 5vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.concept-text h2 {
  font-family: var(--font-jp);
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 300;
  line-height: 1.75;
  letter-spacing: 0.16em;
  margin-bottom: 40px;
}

.concept-text p {
  font-size: 13px;
  font-weight: 300;
  line-height: 2.3;
  letter-spacing: 0.18em;
  margin-bottom: 20px;
  opacity: 0.88;
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.2s;
}

.btn-text::after {
  content: '→';
  font-size: 12px;
  transition: transform 0.2s;
}

.btn-text:hover {
  color: #fff;
}

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

.concept-image {
  overflow: hidden;
  background: #c8d5c4;
}

.concept-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.concept:hover .concept-image img {
  transform: scale(1.03);
}

/* ─── DATE ─────────────────────────────────────────── */
.date-section {
  padding: 120px 5vw;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  background: var(--bg);
  position: relative;
}

.date-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 5vw;
  right: 5vw;
  height: 1px;
  background: rgba(0, 0, 0, 0.08);
}

.date-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 5vw;
  right: 5vw;
  height: 1px;
  background: rgba(0, 0, 0, 0.08);
}

.date-subtitle {
  font-family: var(--font-jp);
  font-size: clamp(18px, 2.8vw, 32px);
  font-weight: 300;
  line-height: 1.6;
  color: var(--text);
  letter-spacing: 0.12em;
  white-space: nowrap;
  text-align: right;
}

.date-display {
  display: flex;
  align-items: center;
  gap: 20px;
}

.date-large {
  font-family: var(--font-en);
  font-size: clamp(64px, 10vw, 130px);
  font-weight: 300;
  color: var(--green-dark);
  line-height: 1;
  letter-spacing: -0.03em;
}

.date-arrow {
  width: clamp(40px, 6vw, 80px);
  height: auto;
  flex-shrink: 0;
}

.date-arrow line,
.date-arrow polyline {
  stroke: var(--green-dark);
  opacity: 0.4;
}

/* ─── STATS ─────────────────────────────────────────── */
.stats-section {
  background: var(--green-dark);
  padding: 80px 5vw;
}

.stats-inner {
  display: flex;
  justify-content: center;
  gap: 80px;
  max-width: 900px;
  margin: 0 auto;
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item + .stat-item::before {
  content: '';
  position: absolute;
  left: -40px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 48px;
  background: rgba(255, 255, 255, 0.15);
}

.stat-num {
  font-family: var(--font-en);
  font-size: clamp(52px, 8vw, 96px);
  font-weight: 300;
  color: #fff;
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-unit {
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.7);
  margin-left: 4px;
}

.stat-item p {
  font-family: var(--font-jp);
  font-size: 11px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.1em;
  margin-top: 10px;
}

/* ─── FULLWIDTH PHOTO ─────────────────────────────── */
.fullwidth-photo {
  width: 100%;
  height: 55vh;
  overflow: hidden;
}

.fullwidth-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  display: block;
}

/* ─── PHOTO GRID ─────────────────────────────────── */
.photo-grid-section img {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.photo-grid-section img:hover {
  transform: scale(1.02);
}

/* ─── GARDEN LIST ─────────────────────────────────── */
.garden-list {
  padding: 100px 5vw;
  background: var(--bg);
}

.garden-list-title {
  font-family: var(--font-en);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 12px;
}

.garden-list-title + * {
  margin-top: 0;
}

.garden-filters {
  display: flex;
  justify-content: flex-start;
  gap: 8px;
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.filter-btn {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 7px 20px;
  border: 1px solid rgba(0, 0, 0, 0.2);
  background: transparent;
  color: var(--text-light);
  cursor: pointer;
  border-radius: 0;
  transition: all 0.22s;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--green-dark);
  border-color: var(--green-dark);
  color: #fff;
}

.garden-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 56px;
}

.garden-card {
  position: relative;
  border-radius: 0;
  overflow: hidden;
  background: #fff;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.garden-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(35, 60, 30, 0.18);
}

.garden-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  background: #c0d4b8;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.garden-card:hover img {
  transform: scale(1.06);
}

.garden-card-info {
  padding: 14px 16px 16px;
  background: #fff;
}

.garden-card-info h3 {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--text);
  margin-bottom: 5px;
  line-height: 1.4;
}

.garden-card-info p {
  font-size: 10px;
  color: var(--text-light);
  letter-spacing: 0.04em;
  line-height: 1.6;
}

/* ── Event Tag ── */
.event-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 8px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: var(--accent-yellow);
  color: #fff;
  padding: 3px 8px;
  margin-bottom: 8px;
}

.event-card {
  border: 1px solid rgba(248, 184, 1, 0.25);
}

.event-color-block {
  transition: filter 0.3s;
}

.event-card:hover .event-color-block {
  filter: brightness(1.05);
}

.btn-map {
  display: block;
  width: fit-content;
  margin: 0 auto;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-dark);
  text-decoration: none;
  border: 1px solid var(--green-dark);
  padding: 14px 40px;
  transition: all 0.25s;
}

.btn-map:hover {
  background: var(--green-dark);
  color: #fff;
}

/* ─── GARDEN PHOTO + SNS ─────────────────────────── */
.garden-photo-section {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 0 40px;
  background: #fff;
}

.garden-photo-full {
  width: calc(100% + 2px);
  max-width: none;
  height: auto;
  display: block;
  margin-left: -1px;
  object-fit: cover;
}

.garden-sns {
  display: flex;
  gap: 24px;
  margin-top: 32px;
}

.garden-sns-link {
  color: #1a1a1a;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.garden-sns-link:hover { opacity: 1; }

/* ─── SPONSOR SECTION ────────────────────────────── */
.sponsor-section {
  padding: 48px 5vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  border-top: 1px solid var(--green-dark);
  opacity: 0.45;
}

.sponsor-label {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-light);
}

.sponsor-list {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

.sponsor-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sponsor-logo {
  height: 18px;
  width: auto;
  display: block;
}

.sponsor-name {
  font-family: var(--font-jp);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text);
  white-space: nowrap;
}

/* ─── BOTTOM ILLUSTRATION ─────────────────────────── */
.city-illustration-bottom {
  width: 100%;
  overflow: hidden;
  background: var(--bg);
  padding: 60px 0 0;
}

.city-svg-bottom {
  width: 100%;
  height: auto;
  display: block;
}

/* ─── FOOTER ─────────────────────────────────────── */
.footer {
  background: var(--green-footer);
  color: #fff;
  padding: 72px 5vw 48px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 48px;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: color 0.2s;
}

.footer-social a:hover { color: #fff; }

.footer-follow {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
}

.footer-contact {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.5);
  margin-left: auto;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.2s;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  padding-bottom: 1px;
}

.footer-contact a:hover { color: #fff; }

.footer-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin-bottom: 36px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 48px;
}

.footer-credit p {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.4);
  line-height: 2.2;
}

.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.footer-nav a {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-nav a:hover { color: #fff; }

.footer-logo {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
  text-align: center;
}

/* ─── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 1024px) {
  .garden-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .nav { padding: 14px 24px; }

  .nav-links {
    display: none;
    position: fixed;
    top: 57px;
    left: 0;
    right: 0;
    background: var(--green-dark);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .nav-links.is-open { display: flex; }

  .nav-links li { padding: 0; }

  .nav-links a {
    display: block;
    padding: 14px 32px;
    font-size: 12px;
    color: rgba(255,255,255,0.8);
  }

  .hamburger { display: flex; }

  .hero-ticker { padding: 10px 24px; gap: 12px; }

  .about { padding: 80px 24px; }

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

  .concept-image { height: 300px; }

  .concept-text { padding: 60px 28px; }

  .date-section {
    flex-direction: column;
    align-items: center;
    padding: 80px 24px;
    gap: 32px;
    text-align: center;
  }

  .date-subtitle { white-space: normal; text-align: center; }

  .stats-section { padding: 64px 24px; }

  .stats-inner { gap: 40px; }

  .stat-item + .stat-item::before { left: -20px; }

  .garden-list { padding: 72px 24px; }

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

  .footer { padding: 56px 24px 36px; }

  .footer-bottom { flex-direction: column; gap: 24px; }

  .footer-nav { justify-content: flex-start; }

  .footer-top { flex-wrap: wrap; gap: 12px; }

  .footer-contact { margin-left: 0; }
}

@media (max-width: 768px) {
  .hero-vertical-text {
    top: calc(57px + 5vh);
  }
}

@media (max-width: 560px) {
  .hero-brand { font-size: 22px; }

  .hero-ticker { padding: 8px 16px; }

  .stats-inner { gap: 0; flex-direction: column; align-items: center; }

  .stat-item + .stat-item::before { display: none; }

  .stat-item { padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,0.08); width: 100%; }

  .stat-item:last-child { border-bottom: none; }

  .garden-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .garden-filters { flex-wrap: wrap; }
}