:root{--brand:#C2416B;--brand-2:#E07A9B;--ink:#2B1B24;--muted:#6B5A62;--bg:#FFF8F3;--line:#F1DED6;--card:#fff}
*{box-sizing:border-box}html,body{margin:0;padding:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.6}
a{color:var(--brand)}img{max-width:100%}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.top{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:10}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;letter-spacing:.2px;color:var(--brand);text-decoration:none;font-size:18px}
nav a{margin-left:18px;color:var(--ink);text-decoration:none;font-size:14px}
.btn{display:inline-block;background:var(--brand);color:#fff!important;text-decoration:none;padding:12px 22px;border-radius:10px;font-weight:700;border:0}
.btn.secondary{background:#fff;color:var(--brand)!important;border:2px solid var(--brand)}
.hero{background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);padding:72px 0 56px}
.hero h1{font-size:44px;line-height:1.15;margin:0 0 16px}
.hero p.lead{font-size:19px;color:var(--muted);max-width:640px;margin:0 0 28px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.hero small{color:var(--muted)}
section{padding:56px 0}section h2{font-size:30px;margin:0 0 8px}section p.sub{color:var(--muted);margin:0 0 28px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.card h3{margin:0 0 6px;font-size:17px}.card p{margin:0;color:var(--muted);font-size:14.5px}
.steps{counter-reset:s}.steps .card{position:relative;padding-left:56px}.steps .card::before{counter-increment:s;content:counter(s);position:absolute;left:18px;top:18px;width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:14px}
.price{background:var(--bg)}.price .card{max-width:460px;margin:0 auto;text-align:center;padding:32px}
.price .amount{font-size:48px;font-weight:800;color:var(--brand);margin:8px 0}.price .amount span{font-size:16px;color:var(--muted);font-weight:500}
.price ul{list-style:none;padding:0;margin:16px 0 24px;text-align:left}.price li{padding:6px 0;border-bottom:1px solid var(--line);font-size:15px}
.faq details{border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin-bottom:10px;background:#fff}.faq summary{cursor:pointer;font-weight:700}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:13px}footer a{color:var(--muted);margin-right:14px}
.legal{max-width:820px}.legal h1{font-size:28px}.legal h2{font-size:18px;margin-top:28px}.legal p,.legal li{font-size:15px}
@media (max-width:640px){.hero h1{font-size:32px}nav a{margin-left:12px;font-size:13px}}
/* Help & guides (site/guide/*.html, scripts/build_guide.js) */
.guide-hero{padding:48px 0 36px}.guide-hero h1{font-size:38px}.crumb{margin:0 0 10px;font-size:14px;color:var(--muted)}.crumb a{text-decoration:none}
.guide-audience{margin:0;color:var(--ink);font-size:15px}
.guide-list .guide-card{text-decoration:none;color:inherit;position:relative;padding-top:44px;transition:border-color .15s,box-shadow .15s}
.guide-list .guide-card:hover{border-color:var(--brand-2);box-shadow:0 4px 16px rgba(194,65,107,.10)}
.guide-num{position:absolute;top:16px;left:20px;width:24px;height:24px;border-radius:50%;background:var(--bg);color:var(--brand);font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center}
.guide-body{max-width:860px}.guide-body h2{font-size:24px;margin:8px 0 16px}
.guide-steps{list-style:none;padding:0;margin:0 0 36px;counter-reset:gs}
.guide-step{position:relative;padding-left:60px;margin-bottom:16px}
.guide-step::before{counter-increment:gs;content:counter(gs);position:absolute;left:18px;top:20px;width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:14px}
.guide-step h3{margin:0 0 6px;font-size:18px}.guide-step p{margin:0 0 8px;color:var(--ink);font-size:15.5px}
.guide-step figure{margin:12px 0 0}.guide-step img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:10px}
.guide-related{padding-left:20px;margin:0 0 28px}.guide-related li{margin-bottom:8px}
.guide-help{color:var(--muted);font-size:14px}
.guide-cta{background:var(--bg);text-align:center}.guide-cta .cta{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.guide-before,.guide-tips{margin:0 0 28px}.guide-before h2,.guide-tips h2{font-size:20px;margin:0 0 10px}
.guide-before{border-left:4px solid var(--brand)}.guide-tips{background:var(--bg);margin-top:-12px}
.guide-checklist,.guide-tip-list{margin:0;padding-left:22px}.guide-checklist li,.guide-tip-list li{margin:0 0 6px;font-size:15.5px}
.guide-start{padding:8px 0 0}.guide-start h2,.guide-stage h2{font-size:26px;margin:0 0 6px}.guide-start .sub,.guide-stage .sub{margin-bottom:18px}
.guide-path{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;list-style:none;counter-reset:gp}
.guide-path li{counter-increment:gp}.guide-path a{display:inline-flex;align-items:center;gap:8px;padding:8px 14px 8px 8px;border:1px solid var(--line);border-radius:999px;background:var(--card);text-decoration:none;color:var(--ink);font-weight:600;font-size:15px}
.guide-path a::before{content:counter(gp);width:24px;height:24px;border-radius:50%;background:var(--brand);color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center}
.guide-path a:hover{border-color:var(--brand-2)}
.guide-stage{padding:36px 0 8px}.guide-stage+.guide-cta{margin-top:40px}
@media (max-width:640px){.guide-hero h1{font-size:28px}.guide-step{padding-left:20px;padding-top:56px}.guide-step::before{left:20px;top:18px}}
/* スマホのヘッダー: ページ内リンクと Home/Pricing は隠し、ロゴ・Help & guides・CTA だけにする(ロゴはトップへ戻る) */
@media (max-width:640px){.logo{font-size:16px;line-height:1.2}nav{display:flex;align-items:center;white-space:nowrap}nav a[href^="#"],nav a[href="/"],nav a[href="/#pricing"]{display:none}nav a{margin-left:10px}nav .btn{padding:9px 12px;font-size:13px}}
/* 用途別ページ(site/for/*.html, scripts/build_landing.js) */
ul.checks{list-style:none;padding:0;margin:8px 0 0;max-width:760px}ul.checks li{position:relative;padding:8px 0 8px 30px;border-bottom:1px solid var(--line);font-size:16px}
ul.checks li::before{content:"";position:absolute;left:4px;top:15px;width:14px;height:8px;border-left:3px solid var(--brand);border-bottom:3px solid var(--brand);transform:rotate(-45deg)}
footer .more{margin-bottom:10px;line-height:1.9}footer .more a{margin-right:6px}
a.card{text-decoration:none;color:inherit;transition:border-color .15s,box-shadow .15s}a.card:hover{border-color:var(--brand-2);box-shadow:0 4px 16px rgba(194,65,107,.10)}
a.card .go{display:inline-block;margin-top:8px;color:var(--brand);font-weight:700;font-size:14px}
@media (max-width:640px){nav a[href="/#features"]{display:none}}