/* ===========================
   SISUMO Design System
   =========================== */

@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;600&family=Noto+Sans+JP:wght@300;400;500&display=swap');

/* --- Variables --- */
:root {
  --green: #007E66;
  --green-dark: #005C4A;
  --green-light: #E0F2EE;
  --green-xlight: #F0FAF8;
  --bg: #FAFAF7;
  --bg-alt: #F3F0EB;
  --text: #2A2A27;
  --text-muted: #6B6862;
  --text-light: #9C9890;
  --border: #E2DDD6;
  --white: #FFFFFF;
  --font-serif: 'Shippori Mincho', 'Georgia', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
  --radius: 4px;
  --radius-md: 8px;
  --transition: 0.25s ease;
  --max-width: 1160px;
  --section-gap: 100px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  padding-top: 68px;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- Typography --- */
.serif { font-family: var(--font-serif); }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.5;
  color: var(--text);
}

.section-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green);
  font-family: var(--font-sans);
  display: block;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 500;
  margin-bottom: 16px;
  line-height: 1.5;
}

.section-desc {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.9;
  max-width: 560px;
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

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

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

.section--white {
  background: var(--white);
}

.section-header {
  margin-bottom: 56px;
}

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

.section-header--center .section-desc {
  margin: 0 auto;
}

/* --- Header / Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 247, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  height: 68px;
  display: flex;
  align-items: center;
}

.header-inner {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text);
}

.site-logo span {
  color: var(--green);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.site-nav a {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  transition: color var(--transition);
}

.site-nav a:hover { color: var(--text); }

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

.header-actions a.icon-link {
  color: var(--text-muted);
  font-size: 18px;
  transition: color var(--transition);
}

.header-actions a.icon-link:hover { color: var(--text); }

/* --- Hamburger --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.2s;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Mobile nav drawer --- */
.mobile-nav {
  display: none;
  position: fixed;
  top: 68px;
  left: 0; right: 0;
  background: var(--white);
  border-top: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  z-index: 99;
  flex-direction: column;
  padding: 12px 0 20px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 13px 28px;
  font-size: 14px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  transition: color 0.15s;
}
.mobile-nav a:last-of-type { border-bottom: none; }
.mobile-nav a:hover { color: var(--green); }
.mobile-nav .mobile-nav-cta {
  margin: 16px 28px 0;
  text-align: center;
  background: var(--green);
  color: var(--white) !important;
  border-radius: var(--radius);
  border-bottom: none !important;
  font-weight: 500;
  padding: 12px 20px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}

.btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
}

.btn-outline {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}

.btn-outline:hover {
  background: var(--green);
  color: var(--white);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.7);
}

.btn-outline-white:hover {
  background: var(--white);
  color: var(--text);
}

.btn-lg {
  padding: 15px 36px;
  font-size: 14px;
}

/* --- Hero --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-slides {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background: #2a3228;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-slide-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #2a3228 0%, #3d5042 50%, #2a3228 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.15);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.38);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--white);
  padding: 0 40px;
}

.hero-eyebrow {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
  font-weight: 400;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 20px;
  color: var(--white);
}

.hero-sub {
  font-size: 15px;
  color: rgba(255,255,255,0.8);
  line-height: 1.9;
  margin-bottom: 40px;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.4);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Hero slideshow dots */
.hero-dots {
  position: absolute;
  bottom: 36px;
  right: 40px;
  z-index: 1;
  display: flex;
  gap: 8px;
}

.hero-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: background var(--transition);
}

.hero-dot.active { background: var(--white); }

/* --- Property Cards --- */
.property-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.property-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--white);
  transition: box-shadow var(--transition), transform var(--transition);
}

.property-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  transform: translateY(-3px);
}

.property-card.coming-soon {
  opacity: 0.65;
  pointer-events: none;
}

.property-card-image {
  aspect-ratio: 4/3;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 12px;
  letter-spacing: 0.08em;
  position: relative;
}

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

.property-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--green);
  color: var(--white);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 2px;
}

.property-card-badge.coming {
  background: var(--text-muted);
}

.property-card-body {
  padding: 24px;
}

.property-card-location {
  font-size: 11px;
  color: var(--text-light);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.property-card-name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 10px;
}

.property-card-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.property-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.tag {
  font-size: 11px;
  color: var(--green);
  background: var(--green-xlight);
  border: 1px solid var(--green-light);
  padding: 3px 10px;
  border-radius: 2px;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.property-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.property-card-price {
  font-size: 13px;
  color: var(--text-muted);
}

.property-card-price strong {
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
  font-family: var(--font-serif);
}

/* --- Features Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.feature-item {
  text-align: center;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--green-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  color: var(--green);
  font-size: 22px;
}

.feature-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.85;
}

/* --- Review / Testimonial --- */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
}

.review-stars {
  color: #C8A850;
  font-size: 14px;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.review-text {
  font-size: 14px;
  color: var(--text);
  line-height: 1.85;
  margin-bottom: 16px;
}

.review-meta {
  font-size: 12px;
  color: var(--text-light);
}

/* --- FAQ Accordion --- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  font-size: 15px;
  font-weight: 400;
  color: var(--text);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  gap: 16px;
  font-family: var(--font-sans);
  transition: color var(--transition);
}

.faq-question:hover { color: var(--green); }

.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-muted);
  transition: all var(--transition);
}

.faq-item.open .faq-icon {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
  transform: rotate(45deg);
}

.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 0 22px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.9;
}

.faq-item.open .faq-answer { max-height: 400px; }

/* --- Area Map / Access teaser --- */
.access-teaser {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.access-map-placeholder {
  aspect-ratio: 4/3;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 13px;
}

.access-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 28px 0;
}

.access-point {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.access-point-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--green-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 2px;
}

.access-point-text strong {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 2px;
}

.access-point-text span {
  font-size: 13px;
  color: var(--text-muted);
}

/* --- CTA Banner --- */
.cta-banner {
  background: var(--green);
  padding: 80px 0;
  text-align: center;
  color: var(--white);
}

.cta-banner .section-label {
  color: rgba(255,255,255,0.6);
}

.cta-banner .section-title {
  color: var(--white);
  margin-bottom: 12px;
}

.cta-banner p {
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  margin-bottom: 36px;
}

.cta-banner .btn-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Footer --- */
.site-footer {
  background: #1E2820;
  color: rgba(255,255,255,0.6);
  padding: 60px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .site-logo {
  color: var(--white);
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 15px;
  transition: all var(--transition);
}

.footer-social a:hover {
  border-color: rgba(255,255,255,0.6);
  color: var(--white);
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 16px;
  font-family: var(--font-sans);
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

.footer-col ul li a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}

/* --- Utilities --- */
.text-center { text-align: center; }
.text-green { color: var(--green); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-light);
  padding: 16px 0;
}

.breadcrumb a { color: var(--text-muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--green); }
.breadcrumb-sep { color: var(--border); }

/* --- Sticky Sidebar Layout --- */
.main-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 60px;
  align-items: start;
}

.sidebar-sticky {
  position: sticky;
  top: 84px;
}

.sidebar-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 20px;
}

.sidebar-card-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

/* --- Coming Soon Badge --- */
.coming-soon-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 4px 12px;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .container { padding: 0 24px; }
  .property-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --section-gap: 56px; }
  .container { padding: 0 16px; }
  .site-nav { display: none; }
  .hamburger { display: flex; }
  .header-actions .btn { display: none; }
  .header-actions a.icon-link { display: none; }
  .property-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .access-teaser { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .main-with-sidebar { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .footer-nav { flex-wrap: wrap; gap: 12px 20px; }
  .hero-title { font-size: 26px; }
  .section-label { font-size: 10px; }
  /* page hero */
  .page-hero { height: auto; min-height: 160px; padding: 40px 16px 36px; }
  .page-hero .breadcrumb { left: 16px; }
  /* review cards */
  .review-card { padding: 20px; }
  /* tables */
  table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  /* section headings */
  .section-title { font-size: clamp(20px, 5vw, 28px); }
}