*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--soil:#166534;--leaf:#22c55e;--packet:#fef9c3;--cream:#f0fdf4;--font:'DM Sans','Noto Sans JP',sans-serif}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--cream);color:#14532d;line-height:1.75}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--soil)}
.garden-head{display:flex;align-items:center;gap:1.5rem;padding:1rem 2rem;background:#fff;border-bottom:3px solid var(--leaf);position:sticky;top:0;z-index:50;flex-wrap:wrap}
.garden-head .logo{font-size:1.35rem;font-weight:700;text-decoration:none;color:var(--soil)}
.garden-head nav{display:flex;gap:1.2rem;flex-wrap:wrap}
.garden-head nav a{text-decoration:none;color:#14532d;font-size:.9rem}
.menu{display:none;background:none;border:none;font-size:1.3rem;cursor:pointer;margin-left:auto}
.hero-seeds{padding:4rem 2rem;max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr;gap:2rem;align-items:center}
.hero-seeds h1{font-size:clamp(1.9rem,4vw,2.8rem);line-height:1.3}
.hero-seeds .tag{color:var(--leaf);font-weight:600;font-size:.85rem}
.hero-seeds .cta{display:inline-block;margin-top:1rem;background:var(--soil);color:#fff;padding:.85rem 2rem;text-decoration:none;border-radius:4px}
.hero-seeds img{border-radius:8px;transform:rotate(-2deg);box-shadow:16px 16px 0 var(--leaf)}
.packet-zone{padding:4rem 2rem;background:repeating-linear-gradient(-45deg,#dcfce7 0,#dcfce7 20px,var(--cream) 20px,var(--cream) 40px)}
.packet-zone h2{text-align:center;font-size:1.85rem;margin-bottom:.5rem}
.packet-zone .lead{text-align:center;margin-bottom:2.5rem}
.packet-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;max-width:1100px;margin:0 auto;perspective:800px}
.packet-card{background:var(--packet);padding:1rem 1rem 1.25rem;box-shadow:4px 6px 0 #ca8a04,8px 12px 24px rgba(0,0,0,.08);position:relative;transition:transform .3s}
.packet-card:nth-child(odd){transform:rotate(-4deg)}
.packet-card:nth-child(even){transform:rotate(3deg)}
.packet-card:hover{transform:rotate(0deg) scale(1.03);z-index:2}
.packet-card::before{content:'';position:absolute;top:0;left:0;right:0;height:28px;background:var(--soil)}
.packet-card .seed-label{position:relative;z-index:1;color:#fff;font-size:.65rem;text-align:center;padding:.35rem 0 .5rem;letter-spacing:.08em}
.packet-card img{aspect-ratio:1;margin:.75rem 0;border:2px dashed #ca8a04}
.packet-card h3{font-size:.9rem}
.packet-card .price{font-weight:700;color:var(--soil);margin:.35rem 0}
.packet-card button{width:100%;border:2px solid var(--soil);background:transparent;padding:.5rem;cursor:pointer;font-family:inherit;border-radius:2px}
.packet-card button:hover{background:var(--soil);color:#fff}
.season-bar{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;max-width:900px;margin:3rem auto 0;padding:0 2rem}
.season-bar span{padding:.5rem 1.25rem;background:#fff;border:2px solid var(--leaf);border-radius:4px;font-size:.85rem}
.calendar{padding:4rem 2rem;max-width:1000px;margin:0 auto}
.calendar h2{text-align:center;margin-bottom:2rem}
.cal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.cal-grid div{padding:1rem;background:#fff;border-top:4px solid var(--leaf);font-size:.9rem}
.cal-grid strong{display:block;color:var(--soil);margin-bottom:.35rem}
.tips{padding:3rem 2rem;background:var(--soil);color:#fff}
.tips-inner{max-width:900px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:center}
.tips img{border-radius:8px;transform:rotate(2deg)}
.voices{padding:3rem 2rem}
.voices blockquote{max-width:700px;margin:0 auto 1.5rem;padding:1.25rem;background:#fff;border-left:5px solid var(--leaf)}
.voices cite{display:block;margin-top:.75rem;font-size:.85rem;opacity:.7}
.faq{padding:3rem 2rem;max-width:720px;margin:0 auto}
.faq details{margin-bottom:1rem;border:1px solid #bbf7d0;padding:1rem;background:#fff;border-radius:4px}
.faq summary{cursor:pointer;font-weight:600}
.legal{padding:3rem 2rem;background:#14532d;color:#fff;font-size:.88rem}
.legal dl{display:grid;grid-template-columns:auto 1fr;gap:.35rem .75rem;margin:1rem 0}
.legal h3,.legal h4{color:var(--leaf);margin:1.25rem 0 .5rem}
.legal a{color:#86efac}
.copy{margin-top:2rem;opacity:.6}
.toast{position:fixed;bottom:1.5rem;right:1.5rem;background:var(--soil);color:#fff;padding:1rem 1.5rem;border-radius:4px;transform:translateY(150%);transition:transform .3s;z-index:99}
.toast.show{transform:translateY(0)}
@media(max-width:900px){
  .packet-grid{grid-template-columns:repeat(2,1fr)}
  .cal-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .menu{display:block}
  .garden-head nav{display:none;width:100%;flex-direction:column}
  .garden-head nav.open{display:flex}
  .hero-seeds,.tips-inner{grid-template-columns:1fr}
}
@media(max-width:480px){.packet-grid{grid-template-columns:1fr}.packet-card{transform:none!important}}