:root{
  --bg:#fff; --tint:#fbf7f1; --beige:#efe5d6; --pink:#c9a1a0; --pink-soft:#f3e6e4;
  --gold:#a98a4d; --text:#4a4039; --muted:#857a70; --line:#e8dcc9;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;font-size:16px;line-height:2;letter-spacing:.04em}
.wrap{max-width:640px;margin:0 auto;padding:0 20px}
.center{text-align:center}
p{margin-top:1em}
h1,h2,.card-name{font-family:"Hiragino Mincho ProN","Noto Serif JP","Yu Mincho",serif;font-weight:600}

/* hero */
.hero{background:linear-gradient(180deg,var(--tint),#fff);text-align:center;padding:56px 0 48px;border-bottom:1px solid var(--line)}
.eyebrow{font-size:12px;letter-spacing:.3em;color:var(--gold);margin:0 0 12px}
h1{font-size:28px;line-height:1.5;color:var(--text)}
h1 span{display:block;font-size:30px;margin-top:4px}
.lead{margin-top:28px;font-size:17px;line-height:1.9;color:var(--text)}
.sub{font-size:15px;color:var(--muted)}
.price{margin-top:28px;font-family:"Hiragino Mincho ProN","Noto Serif JP",serif;font-size:30px;font-weight:600;color:var(--gold);line-height:1.4}
.meta{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.9}

/* cta */
.cta{margin-top:28px}
.btn{display:block;width:100%;max-width:360px;margin:0 auto;padding:18px 16px;min-height:56px;border-radius:999px;background:var(--gold);color:#fff;text-decoration:none;font-size:17px;font-weight:600;text-align:center;letter-spacing:.06em}
.btn.is-disabled{background:var(--beige);color:var(--muted);cursor:default;pointer-events:none}
.cta-note{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.8}

/* sections */
.sec{padding:56px 0}
.tint{background:var(--tint)}
h2{font-size:22px;line-height:1.7;text-align:center;margin-bottom:28px}
h2::after{content:"";display:block;width:36px;height:2px;background:var(--pink);margin:14px auto 0}
.sec .wrap>p{text-align:center}
.small{font-size:13px;color:var(--muted);line-height:1.8}

.checks{list-style:none}
.checks li{position:relative;padding:14px 0 14px 34px;border-bottom:1px solid var(--line);line-height:1.8}
.checks li::before{content:"";position:absolute;left:6px;top:21px;width:10px;height:6px;border-left:2px solid var(--pink);border-bottom:2px solid var(--pink);transform:rotate(-45deg)}

/* samples: mobile = swipe carousel, PC = side by side */
.samples{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 20px 12px;-webkit-overflow-scrolling:touch}
.sample{flex:0 0 78%;max-width:340px;scroll-snap-align:center;background:#fff;border:1px solid var(--line);box-shadow:0 4px 16px rgba(120,95,60,.08)}
.sample img{display:block;width:100%;height:auto}
.swipe-hint{font-size:12px;color:var(--muted);margin-top:4px}

.steps{list-style:none}
.steps li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;text-align:center;position:relative;margin-bottom:28px;line-height:1.7}
.steps li:last-child{margin-bottom:0}
.steps li:not(:last-child)::after{content:"";position:absolute;left:50%;bottom:-19px;width:9px;height:9px;border-right:2px solid var(--pink);border-bottom:2px solid var(--pink);transform:translateX(-50%) rotate(45deg)}
.steps b{display:block;font-size:12px;letter-spacing:.2em;color:var(--gold)}
.steps span{font-size:17px}

.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 20px;text-align:center}
.card-name{font-size:18px;color:var(--text)}
.price-card .price{margin-top:8px}
.two{display:grid;gap:16px;margin-top:24px}
.two .card{background:#fff}
.two .card:first-child{border-top:3px solid var(--pink)}
.two .card:last-child{border-top:3px solid var(--beige)}

/* faq */
.qa{border-bottom:1px solid var(--line)}
.qa summary{list-style:none;cursor:pointer;padding:18px 32px 18px 0;position:relative;font-weight:600;line-height:1.7;min-height:56px}
.qa summary::-webkit-details-marker{display:none}
.qa summary::before{content:"Q. ";color:var(--gold)}
.qa summary::after{content:"+";position:absolute;right:4px;top:14px;font-size:22px;color:var(--pink)}
.qa[open] summary::after{content:"−"}
.ans{padding:0 0 18px;color:var(--text)}
.ans p{margin-top:.6em}

.final{background:linear-gradient(180deg,var(--pink-soft),var(--tint))}
.final .price{margin-top:8px}
footer{text-align:center;padding:28px 0;font-size:12px;color:var(--muted)}

@media (min-width:768px){
  body{font-size:17px}
  h1{font-size:38px}h1 span{font-size:44px}
  h2{font-size:26px}
  .samples{justify-content:center;overflow:visible;padding:4px 20px;max-width:1040px;margin:0 auto}
  .sample{flex:1 1 0;max-width:320px}
  .swipe-hint{display:none}
  .two{grid-template-columns:1fr 1fr}
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:none}
  .steps li{margin-bottom:0}
  .steps li:not(:last-child)::after{display:none}
  .wrap{max-width:760px}
}