:root{
  --bg:#FAF8F7;--surface:#fff;--primary:#C9A9A0;--primary-dark:#9F7E76;
  --text:#211E1D;--sub:#716A67;--border:#E8E1DE;--soft:#F5EFEC;
  --font:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic","Noto Sans JP",sans-serif
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:100%;max-width:680px;margin:0 auto;padding:0 20px}
.bg-surface{background:var(--surface)}
.note-text{font-size:.75rem;color:var(--sub);margin-top:12px}
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .8s ease,transform .8s ease}
.fade-in.is-visible{opacity:1;transform:translateY(0)}
@media(prefers-reduced-motion:reduce){.fade-in{transition:none;opacity:1;transform:none}}
.section-title{font-size:1.55rem;font-weight:700;line-height:1.45;margin-bottom:2rem}
.text-body{font-size:1rem;color:var(--sub);line-height:2}
.hero{min-height:100vh;display:flex;align-items:center;text-align:center;padding:4rem 0}
.hero-logo{margin:0 auto 1rem}
.badge{display:inline-block;font-size:.75rem;letter-spacing:.1em;padding:4px 12px;border:1px solid var(--border);border-radius:20px;margin-bottom:2rem;color:var(--primary-dark)}
.main-copy{font-size:1.8rem;font-weight:700;line-height:1.45;margin-bottom:1.5rem}
.sub-copy{font-size:1rem;color:var(--sub);margin-bottom:3rem;font-weight:700}
.mockup-container{margin:0 auto 3rem;max-width:280px}
.mockup-image{width:100%;border-radius:36px;box-shadow:0 20px 40px rgba(0,0,0,.08)}
.scroll-down{display:inline-block;font-size:.85rem;color:var(--primary-dark)}
.problem,.concept,.features,.flow,.coming-soon,.contact{padding:5rem 0}
.card-list{display:flex;flex-direction:column;gap:16px}
.card{background:var(--bg);padding:20px;border-radius:12px;font-weight:600;text-align:center}
.section-subtitle{font-size:.85rem;color:var(--sub);margin-bottom:2rem;text-align:center}
.feature-grid{display:flex;flex-direction:column;gap:24px}
.feature-card{border-bottom:1px solid var(--border);padding-bottom:24px}
.feature-card:last-child{border-bottom:none}
.feature-title{font-size:1.1rem;color:var(--primary-dark);margin-bottom:8px}
.timeline{display:flex;flex-direction:column;align-items:center;gap:12px}
.timeline-item{background:var(--surface);padding:16px 24px;border-radius:8px;width:100%;text-align:center;font-weight:600}
.timeline-item .point{display:block;font-size:.75rem;color:var(--primary-dark);margin-bottom:4px}
.timeline-arrow{color:var(--primary)}
.coming-soon-title{font-size:2rem;font-weight:400;margin-bottom:1.5rem}
.contact-block{margin-bottom:2rem}
.contact-block h3{font-size:.85rem;color:var(--sub);margin-bottom:4px}
.contact-block a{font-size:1.05rem;text-decoration:underline;text-underline-offset:4px;color:var(--primary-dark)}
.footer{padding:4rem 0 2rem;text-align:center;border-top:1px solid var(--border)}
.footer-logo{margin:0 auto .5rem}
.footer-credit{font-size:.75rem;color:var(--sub);margin-bottom:1.5rem}
.footer-links{list-style:none;display:flex;justify-content:center;gap:16px 22px;flex-wrap:wrap;margin-bottom:1.8rem;font-size:.85rem}
.footer-links a{text-decoration:underline;text-underline-offset:4px}
.copyright{font-size:.75rem;color:var(--sub)}
.legal-header{padding:28px 0;border-bottom:1px solid var(--border);background:rgba(250,248,247,.96);position:sticky;top:0;z-index:10;backdrop-filter:blur(10px)}
.legal-nav{display:flex;align-items:center;justify-content:space-between;gap:16px}
.legal-brand{font-size:1.25rem;font-weight:800;letter-spacing:.02em}
.legal-back{font-size:.85rem;color:var(--primary-dark)}
.legal-main{padding:56px 0 80px}
.legal-kicker{font-size:.78rem;letter-spacing:.12em;color:var(--primary-dark);font-weight:800;margin-bottom:8px}
.legal-title{font-size:2rem;line-height:1.35;margin-bottom:10px}
.legal-updated{font-size:.84rem;color:var(--sub);margin-bottom:36px}
.legal-intro{padding:18px 20px;background:var(--soft);border-radius:14px;color:var(--sub);margin-bottom:36px}
.legal-section{padding:28px 0;border-top:1px solid var(--border)}
.legal-section h2{font-size:1.12rem;margin-bottom:12px}
.legal-section p,.legal-section li{color:#48413e}
.legal-section ul{padding-left:1.35rem;margin-top:8px}
.legal-section li+li{margin-top:6px}
.legal-links{display:grid;gap:12px;margin-top:20px}
.legal-link-card{display:block;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px}
.legal-link-card strong{display:block;margin-bottom:4px}
.legal-link-card span{color:var(--sub);font-size:.9rem}
.table-wrap{overflow-x:auto}
.legal-table{width:100%;border-collapse:collapse;font-size:.92rem}
.legal-table th,.legal-table td{padding:12px 10px;border-top:1px solid var(--border);vertical-align:top;text-align:left}
.legal-table th{width:32%;color:var(--sub);font-weight:700}
@media(min-width:768px){
  .main-copy{font-size:2.5rem}.section-title{font-size:2rem}.legal-title{font-size:2.5rem}
}
.contact-button{display:inline-block;padding:12px 18px;border:1px solid var(--primary);border-radius:999px;color:var(--primary-dark);font-weight:700;background:var(--surface)}
.contact-button:hover{background:var(--soft)}