:root {
  --bg: #F5F0E1;
  --dark: #1B3B1B;
  --light: #8FBC8F;
  --milk: #F5F0E1;
  --text: #1B3B1B;
  --border: rgba(27, 59, 27, 0.18);
  --radius: 24px;
  --font: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
a { color: inherit; text-decoration: none; }

.noise {
  position: fixed; inset: 0; pointer-events: none; z-index: 9990;
  opacity: 0.04; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
#snow { position: fixed; inset: 0; pointer-events: none; z-index: 9991; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.center { text-align: center; }

/* HEADER */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(245, 240, 225, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.header-left { display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 500; letter-spacing: 0.02em; }
.logo-mark {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--dark); color: var(--milk);
  display: grid; place-items: center; flex-shrink: 0;
}
.logo-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.header-nav { display: flex; align-items: center; gap: 28px; font-size: 13px; font-weight: 500; }
.header-nav a { position: relative; opacity: 0.8; transition: opacity 0.2s; }
.header-nav a:hover { opacity: 1; }
.header-nav a::after {
  content: ''; position: absolute; left: 0; bottom: -4px; width: 0; height: 1px;
  background: var(--dark); transition: width 0.25s ease;
}
.header-nav a:hover::after { width: 100%; }
.nav-cta { padding: 8px 16px; border: 1px solid var(--dark); border-radius: 999px; transition: background 0.2s, color 0.2s; }
.nav-cta:hover { background: var(--dark); color: var(--milk); }
.sound-toggle {
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--border);
  display: grid; place-items: center;
  color: var(--dark); transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.sound-toggle:hover { background: var(--dark); color: var(--milk); border-color: var(--dark); }
.sound-toggle .icon-sound-off { display: none; }
.sound-toggle[aria-pressed="false"] .icon-sound-on { display: none; }
.sound-toggle[aria-pressed="false"] .icon-sound-off { display: block; }

/* HERO */
.hero { position: relative; padding: 40px 0 80px; }
.hero-title {
  font-size: clamp(64px, 12vw, 180px);
  font-weight: 700; letter-spacing: -0.04em; line-height: 0.85;
  color: var(--dark); text-align: center;
  margin-bottom: -0.35em; position: relative; z-index: 2;
}
.hero-photo-wrap { max-width: 720px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.hero-photo {
  position: relative; border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 24px 80px rgba(27, 59, 27, 0.25);
  cursor: pointer;
}
.hero-img {
  width: 100%; height: auto; aspect-ratio: 4/5; object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.hero-photo:hover .hero-img { transform: scale(1.03); }
.hero-tag {
  position: absolute; bottom: 20px; right: 20px;
  background: var(--milk); color: var(--dark);
  padding: 10px 18px; border-radius: 12px;
  font-weight: 600; font-size: 15px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}
.hero-toast {
  position: absolute; top: 24px; left: 50%; transform: translateX(-50%) translateY(-8px);
  background: var(--dark); color: var(--milk);
  padding: 12px 20px; border-radius: 999px;
  font-size: 14px; font-weight: 500;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  white-space: nowrap;
}
.hero-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.hero-bottom {
  max-width: 720px; margin: 48px auto 0; padding: 0 24px;
  display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.hero-sub { font-size: clamp(28px, 4vw, 48px); font-weight: 600; letter-spacing: -0.03em; line-height: 1.05; }
.hero-sub2 { font-size: clamp(20px, 3vw, 32px); font-weight: 400; letter-spacing: -0.02em; line-height: 1.15; margin-top: 8px; opacity: 0.85; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 32px; border-radius: 999px;
  font-size: 15px; font-weight: 600; letter-spacing: 0.01em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s, color 0.2s;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--dark); color: var(--milk); box-shadow: 0 8px 24px rgba(27, 59, 27, 0.25); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(27, 59, 27, 0.35); }
.btn-ghost { border: 1px solid var(--border); color: var(--dark); margin-top: 48px; }
.btn-ghost:hover { background: var(--dark); color: var(--milk); border-color: var(--dark); }
.btn-large { padding: 20px 44px; font-size: 17px; }

/* MARQUEE */
.marquee { background: var(--dark); color: var(--milk); padding: 20px 0; overflow: hidden; }
.marquee-track {
  display: flex; gap: 32px; white-space: nowrap;
  animation: marquee 30s linear infinite;
  font-size: 14px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
}
.marquee-track .dot { color: var(--light); }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* SECTIONS */
.section { padding: 100px 0; }
.h2 { font-size: clamp(40px, 6vw, 72px); font-weight: 600; letter-spacing: -0.03em; line-height: 1; margin-bottom: 48px; }
.h2.center { text-align: center; }

/* WHY */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.why-intro { font-size: 17px; line-height: 1.6; max-width: 420px; margin-bottom: 40px; opacity: 0.9; }
.why-accordion { border-top: 1px solid var(--border); }
.acc-item { border-bottom: 1px solid var(--border); }
.acc-item summary {
  list-style: none; padding: 20px 0; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 17px; font-weight: 600; transition: opacity 0.2s;
}
.acc-item summary::-webkit-details-marker { display: none; }
.acc-item summary:hover { opacity: 0.7; }
.acc-plus { font-size: 22px; font-weight: 400; line-height: 1; transition: transform 0.25s ease; }
.acc-item[open] .acc-plus { transform: rotate(45deg); }
.acc-body { padding: 0 0 20px; font-size: 15px; line-height: 1.6; opacity: 0.8; max-width: 360px; }
.why-visual { display: flex; justify-content: center; position: sticky; top: 120px; }
.tag-card { width: 320px; height: 400px; position: relative; transform: rotate(6deg); transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1); }
.tag-card:hover { transform: rotate(2deg) scale(1.02); }
.tag-rope { position: absolute; top: -30px; left: 50%; transform: translateX(-50%); width: 2px; height: 60px; background: var(--border); }
.tag-rope::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--border); }
.tag-card-inner {
  width: 100%; height: 100%;
  background: var(--dark); color: var(--milk);
  border-radius: 20px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 16px; padding: 40px;
  box-shadow: 0 24px 60px rgba(27, 59, 27, 0.3);
}
.tag-tree { color: var(--light); }
.tag-brand { font-size: 32px; font-weight: 700; letter-spacing: -0.02em; }
.tag-brand sup { font-size: 14px; font-weight: 400; }
.tag-sub { font-size: 13px; opacity: 0.8; text-transform: uppercase; letter-spacing: 0.08em; }
.tag-size { font-size: 18px; font-weight: 600; margin-top: 8px; }

/* DETAILS */
.details { background: var(--dark); color: var(--milk); }
.details .h2 { color: var(--milk); }
.details-feature { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: stretch; }
.detail-img-wrap {
  border-radius: 20px; overflow: hidden;
  min-height: 100%;
}
.detail-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.detail-img-wrap:hover .detail-img { transform: scale(1.03); }
.details-cards { display: grid; gap: 20px; }
.detail-card {
  background: rgba(245, 240, 225, 0.06);
  border-radius: 20px; padding: 28px;
  transition: transform 0.3s ease, background 0.3s ease;
}
.detail-card:hover { transform: translateY(-4px); background: rgba(245, 240, 225, 0.1); }
.detail-label { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.detail-text { font-size: 14px; opacity: 0.75; line-height: 1.5; }

/* SPECS */
.specs-list { border-top: 1px solid var(--border); }
.spec-row {
  display: flex; justify-content: space-between; align-items: baseline; gap: 24px;
  padding: 24px 0; border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.spec-row:hover { background: rgba(27, 59, 27, 0.04); }
.spec-name { font-size: 17px; font-weight: 600; flex-shrink: 0; }
.spec-value { font-size: 17px; opacity: 0.8; text-align: right; }

/* REVIEWS */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card {
  background: #fff; border-radius: 20px; padding: 32px;
  box-shadow: 0 4px 24px rgba(27, 59, 27, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex; flex-direction: column; gap: 20px;
}
.review-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(27, 59, 27, 0.12); }
.review-card blockquote { font-size: 20px; line-height: 1.4; font-weight: 500; letter-spacing: -0.01em; }
.review-card figcaption { font-size: 14px; opacity: 0.6; margin-top: auto; }

/* STEPS */
.steps { background: var(--dark); color: var(--milk); }
.steps .h2 { color: var(--milk); margin-bottom: 0; }
.steps-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: start; }
.steps-right { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step-card { background: rgba(245, 240, 225, 0.06); border-radius: 20px; padding: 32px 24px; transition: background 0.3s, transform 0.3s; }
.step-card:hover { background: rgba(245, 240, 225, 0.1); transform: translateY(-4px); }
.step-num { font-size: 48px; font-weight: 700; line-height: 1; margin-bottom: 20px; color: var(--light); }
.step-title { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.step-text { font-size: 14px; opacity: 0.75; line-height: 1.5; }

/* FINAL */
.final { background: var(--dark); color: var(--milk); text-align: center; padding: 140px 0; }
.final-title { font-size: clamp(40px, 6vw, 80px); font-weight: 600; letter-spacing: -0.03em; line-height: 1; margin-bottom: 24px; }
.final-text { font-size: clamp(18px, 2.5vw, 24px); opacity: 0.8; margin-bottom: 48px; }
.final-note { margin-top: 32px; font-size: 18px; color: var(--light); animation: fadeIn 0.5s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* FOOTER */
.footer { background: var(--milk); border-top: 1px solid var(--border); padding: 48px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-tree { color: var(--dark); }
.footer-name { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.footer-name sup { font-size: 12px; font-weight: 400; }
.footer-links { display: flex; gap: 24px; font-size: 14px; font-weight: 500; }
.footer-links a { opacity: 0.7; transition: opacity 0.2s; }
.footer-links a:hover { opacity: 1; }
.footer-copy { font-size: 13px; opacity: 0.5; }

/* PINE CONES */
.pine-cone { position: fixed; z-index: 50; cursor: pointer; transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1); }
.pine-cone:hover { transform: scale(1.3) rotate(10deg); }
.pine-cone-1 { bottom: 120px; left: 40px; }
.pine-cone-2 { bottom: 200px; right: 60px; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .why-grid { grid-template-columns: 1fr; gap: 60px; }
  .why-visual { position: static; }
  .details-feature { grid-template-columns: 1fr; }
  .detail-img-wrap { min-height: 320px; }
  .reviews-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 40px; }
  .steps-right { grid-template-columns: 1fr; }
  .header-nav { display: none; }
  .hero-bottom { flex-direction: column; align-items: flex-start; }
  .pine-cone { display: none; }
}
@media (max-width: 600px) {
  .section { padding: 72px 0; }
  .hero { padding: 24px 0 60px; }
  .hero-title { margin-bottom: -0.25em; }
  .hero-img { aspect-ratio: 3/4; }
  .tag-card { width: 260px; height: 340px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .spec-row { flex-direction: column; gap: 4px; }
  .spec-value { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  #snow { display: none; }
}