:root{
  color-scheme:only light;
  --bg:#f4f4f0;
  --surface:#ffffff;
  --ink:#171917;
  --muted:#69706a;
  --line:#d8dcd4;
  --soft:#eef0eb;
  --dark:#222622;
  --neutral:#414842;
  --review:#3f64c9;
  --review-soft:#e9efff;
  --rewrite:#c77a24;
  --rewrite-soft:#fbefe0;
  --shadow:0 18px 52px rgba(28,32,28,.075);
  --radius:22px;
  --content:900px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;
  font-size:16px;line-height:1.75;
}
button,input,textarea,select{font:inherit;color:var(--ink)}
a{color:inherit;text-decoration:none}
.container{width:min(var(--content),calc(100% - 40px));margin:0 auto}

/* header */
.site-header{
  min-height:72px;padding:0 28px;display:flex;align-items:center;justify-content:space-between;gap:22px;
  position:sticky;top:0;z-index:30;background:rgba(255,255,255,.93);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(216,220,212,.9)
}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;display:grid;place-items:center;border-radius:11px;
  background:var(--dark);color:#fff;font-weight:900;font-size:18px;line-height:1
}
.brand-name{font-size:16px;font-weight:900;letter-spacing:-.02em}
.site-nav{display:flex;align-items:center;gap:22px}
.site-nav a{font-size:14px;font-weight:750;color:#555d57}
.site-nav .header-cta{padding:7px 12px;border-radius:10px;background:var(--dark);color:#fff}

/* hero */
.hero{padding:88px 0 78px}
.hero-inner{max-width:1160px}
.hero-kicker{margin:0 0 12px;color:#7b817d;font-size:14px;font-weight:900;letter-spacing:.14em}
.hero h1{margin:0;font-size:clamp(50px,6vw,78px);line-height:1.08;letter-spacing:-.06em}
.hero-copy{margin:25px 0 0;font-size:20px;color:#5c645e;line-height:1.85}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.button{
  min-height:50px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid #cdd2cc;border-radius:13px;background:#fff;font-size:15px;font-weight:850;cursor:pointer
}
.button.primary{background:var(--dark);border-color:var(--dark);color:#fff}
.button.secondary{background:#fff}
.button.full{width:100%}
.button.disabled{cursor:not-allowed;color:#767d77;background:#eef0eb;border-color:#d8dcd4}
.black-band{padding:38px 0;background:var(--dark);color:#fff}
.black-band p{margin:0;font-size:clamp(24px,3.4vw,38px);letter-spacing:-.03em;text-align:center}
.black-band strong{font-weight:900}

/* product heading */
.section{padding:96px 0}
.product-heading{max-width:820px;margin-bottom:30px}
.product-ruby{font-size:13px;font-weight:900;letter-spacing:.16em;margin-bottom:5px}
.product-ruby.small-ruby{font-size:11px;margin-bottom:3px}
.neutral-text{color:var(--neutral)}
.review-text{color:var(--review)}
.rewrite-text{color:var(--rewrite)}
.product-chip{
  display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;color:#fff;font-size:14px;font-weight:900;margin-bottom:16px
}
.product-chip.review{background:var(--review)}
.product-chip.rewrite{background:var(--rewrite)}
.product-heading h2{margin:0 0 10px;font-size:clamp(34px,4.3vw,50px);line-height:1.2;letter-spacing:-.045em}
.product-heading>p{margin:0;color:#646c66;font-size:17px}

/* actual-ish app */
.app-frame{display:grid;gap:18px}
.app-input-card,.app-score-card,.app-list-card,.app-final-card,.rewrite-advice,.draft-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)
}
.app-input-card{padding:28px}
.app-input-label{font-size:12px;font-weight:900;letter-spacing:.13em;color:#7a817b}
.app-input-card h3{font-size:23px;margin:6px 0 14px}
.app-input-document{padding:20px 22px;border:1px solid var(--line);border-radius:14px;background:#f7f8f5}
.app-input-document p{margin:0 0 12px;font-size:14px;line-height:1.85}
.app-input-document p:last-child{margin-bottom:0}
.demo-target{scroll-margin-top:92px}
.app-score-card{padding:28px}
.score-main{font-size:46px;font-weight:900;letter-spacing:-.04em}
.score-max{font-size:14px;margin-left:4px}
.app-score-card h3{font-size:22px;margin:20px 0 12px}
.app-meta{font-size:14px;color:#7a817b;margin:0 0 16px}
.metric{margin-top:16px}
.metric-title{display:flex;justify-content:space-between;gap:20px;font-size:14px;margin-bottom:4px}
.bar{height:8px;border-radius:999px;background:#dfe3dd;overflow:hidden}
.bar span{display:block;height:100%;background:var(--dark)}
.metric p{font-size:13px;color:#727a74;margin:5px 0 0}

.app-list-card{padding:28px}
.app-list-card h3{font-size:23px;margin:0 0 20px}
.risk-item{padding:18px 0;border-top:1px solid var(--line)}
.risk-item:first-of-type{border-top:0}
.risk-tags{display:flex;align-items:center;gap:7px;margin-bottom:9px}
.risk-tags span{
  flex-shrink:0;padding:3px 8px;border:1px solid #cfd4ce;border-radius:999px;font-size:11px;color:#555d57;background:#fff
}
.risk-tags .risk-rank{
  width:24px;height:24px;min-width:24px;flex:0 0 24px;aspect-ratio:1 / 1;padding:0;
  display:inline-grid;place-items:center;text-align:center;border-color:var(--dark);background:var(--dark);color:#fff;font-weight:900
}
.risk-item h4{font-size:17px;margin:0 0 8px}
.risk-item p{font-size:14px;margin:5px 0;color:#444b46}
.risk-item .evidence{color:#7a817b}
.app-list-card.compact ol{margin:0;padding-left:24px;font-size:15px}
.app-final-card{padding:28px}
.app-final-card h3{font-size:23px;margin:0 0 12px}
.app-final-card p{font-size:15px}
.app-button{
  width:fit-content;max-width:100%;min-height:48px;padding:0 22px;border:0;border-radius:999px;background:var(--dark);color:#fff;font-size:15px;font-weight:900;margin-top:12px;
  display:flex;align-items:center;justify-content:center
}
.app-button:focus-visible{outline:3px solid var(--review);outline-offset:3px}
.review-demo-jump{margin-left:auto;margin-right:auto;background:var(--review)}
.rewrite-demo-jump{margin-left:auto;margin-right:auto;background:var(--rewrite)}
.rewrite-demo-jump:focus-visible{outline-color:var(--rewrite)}

/* rewrite */
.rewrite-section{padding-top:40px}
.rewrite-stack{display:grid;gap:24px}
.rewrite-advice{padding:30px}
.modal-label{font-size:12px;font-weight:900;letter-spacing:.08em}
.rewrite-advice h3{font-size:29px;margin:24px 0 7px;letter-spacing:-.035em}
.rewrite-sub{margin:0 0 24px;color:#6f766f;font-size:14px}
.rewrite-plan{
  padding:0;border:1px solid #d6dad3;border-radius:16px;background:#f0f2ed;overflow:hidden
}
.window-label{padding:9px 13px;border-bottom:1px solid #d6dad3;font-size:11px;font-weight:850;color:#7a817b}
.rewrite-plan p{padding:20px;margin:0;font-size:15px;line-height:1.9}

.draft-card{overflow:hidden}
.draft-head{padding:28px 30px 20px}
.draft-ruby{font-size:12px;font-weight:900;letter-spacing:.14em;color:#7a817b}
.draft-head h3{font-size:34px;margin:8px 0 3px;letter-spacing:-.04em}
.draft-head p{margin:0;color:#707871;font-size:14px}
.draft-stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f0f2ed}
.draft-stats>div{padding:14px 30px}
.draft-stats>div+div{border-left:1px solid var(--line)}
.draft-stats span{display:block;font-size:11px;color:#7d847e;letter-spacing:.1em}
.draft-stats strong{font-size:14px}
.draft-alert{margin:22px 30px;padding:14px 16px;border:1px solid #d5a65a;border-radius:12px;background:#fff8ef}
.draft-alert strong{color:#b36a16}
.draft-alert p{margin:4px 0 0;font-size:14px}
.draft-paper{margin:0 30px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.paper-title{padding:9px 13px;background:#eff1ed;border-bottom:1px solid var(--line);font-size:13px;color:#656c66}
.paper-body{padding:24px 30px;font-size:15px}
.paper-body p{margin:0 0 18px}
.paper-body li{margin-bottom:7px}
.paper-body mark{background:#ffdcd6;color:#a9372f;font-weight:800}
.revision-points{margin:24px 30px 30px;padding:20px 22px;border-radius:12px;background:#f0f2ed}
.revision-points h4{font-size:17px;margin:0 0 10px}
.revision-points ul{margin:0;padding-left:20px}
.revision-points li{font-size:14px;margin:6px 0}

/* pricing */
.pricing-section{padding-top:60px}
.examples-link-row{text-align:center}
.examples-link-row a{color:#666e68;font-size:14px;font-weight:800;text-underline-offset:4px}
.examples-link-after-demo{margin-top:28px}
.pricing-heading{text-align:center;margin-bottom:32px}
.pricing-heading h2{font-size:40px;margin:0 0 8px;letter-spacing:-.04em}
.pricing-heading p{font-size:16px;color:#707771;margin:0}
.rewrite-quality-note{margin:18px 0;padding:14px 16px;border:1px solid #efe2c7;border-radius:12px;background:#fffaf0;color:#6f6655;font-size:13px;line-height:1.7}
.rewrite-quality-note p{margin:6px 0 0}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.price-card{position:relative;display:flex;flex-direction:column;padding:25px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}
.price-card.featured{border:2px solid var(--dark)}
.price-card-heading{height:170px;flex:0 0 170px;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start}
.price-card-meta{height:112px;flex:0 0 112px;display:flex;align-items:flex-start;width:100%}
.price-card-meta .product-chip{margin-bottom:0}
.product-chip.neutral{background:#e8ebe6;color:#414842;border:1px solid #d4d9d2}
.pass-chips{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;margin-bottom:0}
.price-name{font-size:18px;font-weight:900;margin-top:7px}
.price-value{font-size:34px;font-weight:900;letter-spacing:-.04em;margin:5px 0}
.price-value span{font-size:14px;margin-left:4px}
.price-card>p{font-size:14px;color:#6c736d}
.price-card ul{list-style:none;padding:0;margin:14px 0 22px;display:grid;gap:7px;flex:1}
.price-card li{font-size:14px}
.price-card li::before{content:"✓";font-weight:900;margin-right:7px}
.usage-note{max-width:850px;margin:18px auto 0;text-align:center;color:#777f79;font-size:13px}
.usage-note span{display:block}
.usage-note span+span{margin-top:4px}

/* faq/footer */
.faq-section{padding-top:35px}
.faq-section h2{scroll-margin-top:90px}
.faq-section h2{font-size:35px}
.faq-list{display:grid;gap:10px}
details{padding:0 20px;background:#fff;border:1px solid var(--line);border-radius:14px}
summary{padding:16px 0;font-weight:850;font-size:15px;cursor:pointer}
details p{font-size:14px;color:#656d66}
.footer{padding:28px 0;background:#fff;border-top:1px solid var(--line)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.footer nav{display:flex;gap:18px;flex-wrap:wrap}
.footer nav a{font-size:12px;color:#717872}

/* checkout */
.simple-header{position:relative}
.back-link{font-size:14px;color:#646c66;font-weight:750}
.checkout-main{padding:62px 20px 90px}
.checkout-container{width:min(820px,100%);margin:0 auto}
.checkout-title-block{margin-bottom:24px}
.checkout-title-block h1{margin:0 0 5px;font-size:40px;letter-spacing:-.045em}
.checkout-title-block p{margin:0;color:#69716a;font-size:16px}
.checkout-section{margin-top:20px}
.checkout-section>h2{font-size:23px;margin:0 0 10px}
.order-card,.payment-method,.checkout-final{
  background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)
}
.order-card{padding:22px}
.order-top{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}
.order-ja{font-size:24px;font-weight:900;line-height:1.3;margin-top:10px}
.order-feature{font-size:18px;font-weight:800;margin-top:2px}
.order-en{font-size:13px;color:#777e78;margin-top:4px}
.order-price{font-size:29px;font-weight:900;white-space:nowrap;letter-spacing:-.04em}
.order-price span{font-size:13px;margin-left:4px}
.order-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.order-meta span{padding:6px 10px;border:1px solid #d8dcd4;border-radius:999px;background:#f6f7f4;font-size:13px}

.payment-method{overflow:hidden;margin-bottom:12px}
.method-head{
  width:100%;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;
  padding:17px 18px;border:0;background:#fff;text-align:left;cursor:pointer;color:var(--ink)
}
.radio{width:18px;height:18px;border-radius:50%;border:2px solid #939b94;position:relative}
.radio.selected::after{content:"";position:absolute;inset:3px;background:var(--dark);border-radius:50%}
.method-copy{display:grid}
.method-copy strong{font-size:15px}
.method-copy small{font-size:13px;color:#767d77;margin-top:1px}
.chevron{font-size:16px;color:#7c837d}
.method-body{display:none;padding:0 18px 18px;background:#fbfcfa;border-top:1px solid #eceee9}
.payment-method.open .method-body{display:block}
.field{margin-top:15px}
.field label{display:block;margin-bottom:6px;font-size:13px;font-weight:800}
.card-input{
  min-height:48px;padding:0 13px;display:flex;align-items:center;justify-content:space-between;
  border:1px solid #d7dbd4;border-radius:11px;background:#fff;font-size:14px
}
.card-input strong{font-size:12px;color:#696f6a}
.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mock-note{font-size:12px;color:#858c86;margin:12px 0 0}
.wallet-placeholder{margin-top:15px;padding:18px;border:1px dashed #cfd4ce;border-radius:12px;text-align:center;color:#767d77;font-size:14px}

.checkout-final{padding:20px;margin-top:20px}
.confirm-row{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:flex-start;margin-bottom:16px;font-size:14px}
.confirm-row input{margin-top:5px}
.pay-button{width:100%;min-height:54px;border:0;border-radius:13px;background:var(--dark);color:#fff;font-size:16px;font-weight:900;cursor:pointer}
.legal-note{margin:12px 0 0;font-size:12px;color:#7b827c;text-align:center}
.toast{
  position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);opacity:0;
  background:var(--dark);color:#fff;border-radius:999px;padding:9px 14px;font-size:13px;font-weight:800;transition:.18s;pointer-events:none
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* success */
.success-main{min-height:calc(100vh - 72px);display:grid;place-items:center;padding:55px 20px}
.success-card{width:min(700px,100%);padding:42px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);text-align:center}
.success-icon{width:56px;height:56px;margin:0 auto 15px;display:grid;place-items:center;border-radius:50%;background:#e7f1e9;color:#2c7146;font-size:25px;font-weight:900}
.success-card h1{font-size:36px;margin:0 0 10px;letter-spacing:-.04em}
.success-card>p{color:#69716a;font-size:15px}
.success-summary{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-top:24px;text-align:left}
.success-summary>div{padding:14px}
.success-summary>div+div{border-left:1px solid var(--line)}
.success-summary span{display:block;color:#7a817b;font-size:12px}
.success-summary strong{display:block;font-size:14px;margin-top:3px}
.success-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:25px}

/* examples placeholder */
.examples-page{min-height:calc(100vh - 74px);display:grid;place-items:center;padding:70px 20px;background:var(--paper)}
.examples-card{width:min(680px,100%);padding:52px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}
.examples-eyebrow{margin:0;color:#7a817b;font-size:12px;font-weight:900;letter-spacing:.14em}
.examples-card h1{margin:8px 0 12px;font-size:clamp(38px,6vw,56px);letter-spacing:-.05em}
.examples-card>p:not(.examples-eyebrow){margin:0;color:#69716a}
.examples-actions{display:flex;justify-content:center;align-items:center;gap:18px;flex-wrap:wrap;margin-top:28px}
.examples-actions>a:not(.header-cta){color:#555d57;font-weight:800;text-underline-offset:4px}

@media(max-width:900px){
  .site-nav a:not(.header-cta){display:none}
  .hero{padding-top:65px}
  .price-grid{grid-template-columns:1fr}
  .price-card-heading{height:auto;flex-basis:auto}
  .order-top{flex-direction:column}
  .order-price{font-size:26px}
}
@media(max-width:600px){
  body{font-size:15px}
  .container{width:min(var(--content),calc(100% - 24px))}
  .site-header{padding:0 14px}
  .hero{padding:52px 0 58px}
  .hero h1{font-size:44px}
  .hero-copy{font-size:17px}
  .black-band p{font-size:25px}
  .section{padding:72px 0}
  .product-heading h2{font-size:34px}
  .app-input-card,.app-score-card,.app-list-card,.app-final-card,.rewrite-advice{padding:20px}
  .draft-head{padding:22px 20px 16px}
  .draft-head h3{font-size:28px}
  .draft-stats{grid-template-columns:1fr}
  .draft-stats>div+div{border-left:0;border-top:1px solid var(--line)}
  .draft-alert,.draft-paper,.revision-points{margin-left:20px;margin-right:20px}
  .paper-body{padding:20px}
  .footer-inner{flex-direction:column;align-items:flex-start}
  .checkout-main{padding:40px 12px 70px}
  .checkout-title-block h1{font-size:34px}
  .order-card{padding:18px}
  .order-ja{font-size:21px}
  .order-feature{font-size:16px}
  .two-fields{grid-template-columns:1fr}
  .success-card{padding:30px 20px}
  .success-summary{grid-template-columns:1fr}
  .success-summary>div+div{border-left:0;border-top:1px solid var(--line)}
  .examples-card{padding:36px 22px}
}