/* pilates studio ARC — 体験レッスン申し込みLP（架空・制作見本） */
:root{
  --paper:#FFFFFF;
  --paper-2:#F6F3EF;
  --ink:#191715;
  --ink-2:#5F5A54;
  --rule:#E2DDD6;
  --shu:#C7402B;
  --shu-d:#A93421;
  --shu-soft:#FBEFEC;
  --jp:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  --en:"Jost",system-ui,sans-serif;
  --pad:clamp(20px,5vw,72px);
  --wide:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} }
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--jp);font-size:16px;line-height:1.9;
  -webkit-font-smoothing:antialiased;padding-bottom:84px}
@media (min-width:760px){ body{padding-bottom:0} }
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.5;letter-spacing:.01em;margin:0;text-wrap:balance}
p{margin:0}
.wrap{max-width:var(--wide);margin:0 auto;padding-inline:var(--pad)}
.narrow{max-width:760px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:60;background:var(--ink);color:#fff;padding:10px 16px;border-radius:6px}
:focus-visible{outline:2px solid var(--shu);outline-offset:3px}

/* 共通パーツ */
.label{font-family:var(--en);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--shu);margin-bottom:10px}
.sec{padding-block:clamp(56px,9vw,112px)}
.sec h2{font-size:clamp(1.5rem,3.6vw,2.125rem);font-weight:900;margin-bottom:clamp(24px,3vw,36px)}
.lead{color:var(--ink-2);font-size:clamp(.9375rem,1.4vw,1.0625rem)}
.note{margin-top:20px;font-size:.8125rem;color:var(--ink-2);line-height:1.9}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--shu);color:#fff;
  font-weight:700;font-size:1.0625rem;text-decoration:none;border:0;border-radius:999px;padding:16px 34px;cursor:pointer;
  box-shadow:0 8px 20px rgba(199,64,43,.22);transition:transform .25s var(--ease),background .25s ease}
.btn:hover{background:var(--shu-d);transform:translateY(-2px)}
.btn.small{font-size:.875rem;padding:10px 20px;box-shadow:none}
.btn.wide{width:100%;padding-block:18px}
.btn.ghost{background:transparent;color:var(--shu);box-shadow:inset 0 0 0 1.5px var(--shu)}
.btn.ghost:hover{background:var(--shu-soft)}
.micro{margin-top:12px;font-size:.75rem;color:var(--ink-2);line-height:1.8}

/* ヘッダー */
.bar{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--rule)}
.bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.logo{display:inline-flex;align-items:baseline;gap:10px;text-decoration:none}
.logo b{font-family:var(--en);font-size:1.5rem;font-weight:600;letter-spacing:.16em}
.logo span{font-family:var(--en);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-2)}
.bar .btn{display:none}
@media (min-width:560px){ .bar .btn{display:inline-flex} }

/* ヒーロー */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--paper) 0%,var(--paper-2) 100%)}
.hero-in{display:grid;gap:clamp(28px,4vw,56px);padding-block:clamp(40px,7vw,84px)}
@media (min-width:900px){ .hero-in{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);align-items:center} }
.eyebrow{font-size:.8125rem;letter-spacing:.06em;color:var(--ink-2);margin-bottom:14px}
.hero h1{font-size:clamp(1.75rem,5vw,2.75rem);font-weight:900;letter-spacing:.005em;line-height:1.42}
.hero h1 em{font-style:normal;color:var(--shu);position:relative;white-space:nowrap}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:.08em;height:.24em;background:var(--shu-soft);z-index:-1}
.hero .lead{margin-top:20px;max-width:34em}
.hero-img{margin:0;border-radius:6px;overflow:hidden;box-shadow:0 24px 60px rgba(25,23,21,.16)}
.hero-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.cta-box{margin-top:clamp(24px,3vw,32px);background:var(--paper);border:1px solid var(--rule);border-radius:10px;padding:clamp(18px,2.4vw,24px);max-width:460px}
.price-line{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 12px;margin-bottom:16px}
.price-line b{font-family:var(--en);font-size:clamp(1.75rem,5vw,2.25rem);font-weight:600;color:var(--shu);letter-spacing:.01em}
.price-line .was{font-size:.875rem;color:var(--ink-2);text-decoration:line-through}
.price-line .tax{font-size:.75rem;color:var(--ink-2)}
.cta-box .btn{width:100%}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 0;padding:0;list-style:none}
.chips li{font-size:.8125rem;color:var(--ink-2);background:var(--paper);border:1px solid var(--rule);border-radius:999px;padding:5px 14px}
.arc{position:absolute;left:0;right:0;bottom:-2px;width:100%;height:auto;color:var(--shu);opacity:.22;pointer-events:none}
.arc .dot{opacity:0}

/* 3枚カード */
.cards{display:grid;gap:clamp(14px,2vw,22px);margin:0;padding:0;list-style:none}
@media (min-width:760px){ .cards{grid-template-columns:repeat(3,1fr)} }
.cards li{background:var(--paper-2);border-radius:10px;padding:clamp(22px,2.6vw,30px)}
.cards .n{font-family:var(--en);font-size:12px;letter-spacing:.18em;color:var(--shu)}
.cards h3{font-size:1.0625rem;font-weight:700;margin:10px 0 8px}
.cards p{font-size:.875rem;color:var(--ink-2);line-height:1.95}

/* 写真と本文の2段組み */
.split{background:var(--paper-2)}
.split-in{display:grid;gap:clamp(28px,4vw,56px);align-items:center}
@media (min-width:900px){ .split-in{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr)} }
.split-img{margin:0;border-radius:6px;overflow:hidden}
.split-img img{width:100%;aspect-ratio:3/2;object-fit:cover}
.steps{margin:0;padding:0;list-style:none;display:grid;gap:18px}
.steps li{display:grid;grid-template-columns:auto 1fr;gap:4px 18px;align-items:baseline;border-top:1px solid var(--rule);padding-top:18px}
.steps span{font-family:var(--en);font-size:.875rem;font-weight:500;color:var(--shu);letter-spacing:.06em}
.steps h3{font-size:1.0625rem;font-weight:700}
.steps p{grid-column:2;font-size:.875rem;color:var(--ink-2);line-height:1.95}

/* 料金 */
.plans{display:grid;gap:16px}
@media (min-width:860px){ .plans{grid-template-columns:repeat(3,1fr);align-items:start} }
.plan{border:1px solid var(--rule);border-radius:10px;padding:clamp(22px,2.6vw,30px);background:var(--paper)}
.plan.feature{border:2px solid var(--shu);background:var(--shu-soft)}
.p-name{font-size:.9375rem;font-weight:700}
.p-val{font-family:var(--en);font-size:clamp(1.75rem,4.4vw,2.25rem);font-weight:600;margin:6px 0 2px;letter-spacing:.01em}
.p-val small{font-family:var(--jp);font-size:.75rem;font-weight:400;color:var(--ink-2);margin-left:6px}
.p-sub{font-size:.8125rem;color:var(--ink-2)}
.plan ul{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:8px}
.plan li{font-size:.8125rem;color:var(--ink-2);padding-left:18px;position:relative;line-height:1.8}
.plan li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--shu);opacity:.5}
.plan .btn{margin-top:20px;width:100%}

/* 感想 */
.voice{background:var(--ink);color:#F4F1ED}
.quote{margin:0;max-width:44em}
.quote blockquote{margin:0;font-size:clamp(1.0625rem,2.4vw,1.375rem);font-weight:500;line-height:2}
.quote figcaption{margin-top:18px;font-size:.8125rem;color:rgba(244,241,237,.68)}
.quote figcaption span{display:block;margin-top:6px;font-size:.75rem;color:rgba(244,241,237,.5)}

/* FAQ */
.faq{display:grid;gap:10px}
.faq details{border:1px solid var(--rule);border-radius:8px;background:var(--paper)}
.faq summary{cursor:pointer;font-weight:700;font-size:.9375rem;padding:16px 18px;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";font-family:var(--en);color:var(--shu);flex:none}
.faq details[open] summary::after{content:"−"}
.faq p{padding:0 18px 18px;font-size:.875rem;color:var(--ink-2);line-height:1.95}

/* 申し込み */
.form-sec{background:var(--paper-2)}
.form-sec .lead{margin-bottom:28px}
form{display:grid;gap:22px}
.field{display:grid;gap:8px;border:0;padding:0;margin:0;min-width:0}
label,legend{font-size:.9375rem;font-weight:700;display:flex;align-items:center;gap:10px;padding:0}
.req,.opt{font-size:11px;font-weight:500;letter-spacing:.04em;padding:2px 8px;border-radius:4px}
.req{background:var(--shu);color:#fff}
.opt{background:var(--rule);color:var(--ink-2)}
input[type=text],input[type=tel],textarea{font:inherit;width:100%;background:var(--paper);border:1px solid var(--rule);border-radius:8px;padding:14px 16px;color:var(--ink)}
input::placeholder,textarea::placeholder{color:#B4ADA4}
textarea{resize:vertical}
.hint{font-size:.75rem;color:var(--ink-2)}
.err{font-size:.8125rem;color:var(--shu);font-weight:700;min-height:0}
.err:empty{display:none}
.field.bad input,.field.bad textarea{border-color:var(--shu);background:var(--shu-soft)}
.slots{display:grid;gap:10px}
@media (min-width:600px){ .slots{grid-template-columns:repeat(2,1fr)} }
.slots label{font-weight:500;background:var(--paper);border:1px solid var(--rule);border-radius:8px;padding:14px 16px;cursor:pointer;align-items:flex-start;gap:12px}
.slots input{margin:4px 0 0;accent-color:var(--shu);width:18px;height:18px;flex:none}
.slots span{display:grid;font-size:.9375rem;font-weight:700}
.slots i{font-style:normal;font-size:.75rem;font-weight:400;color:var(--ink-2)}
.slots label:has(input:checked){border-color:var(--shu);background:var(--shu-soft)}
.slots label:has(input:disabled){opacity:.5;cursor:not-allowed}
.confirm,.done{background:var(--paper);border:1px solid var(--rule);border-radius:10px;padding:clamp(22px,3vw,32px)}
.confirm h3,.done h3{font-size:1.125rem;font-weight:900;margin-bottom:18px}
.confirm dl{display:grid;gap:12px;margin:0}
@media (min-width:600px){ .confirm dl{grid-template-columns:8em 1fr} }
.confirm dt{font-size:.8125rem;color:var(--ink-2);font-weight:700}
.confirm dd{margin:0;font-size:.9375rem;white-space:pre-wrap}
.acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.done{text-align:center}
.done-mark{color:var(--shu);font-size:2rem;line-height:1;margin-bottom:12px}
.done p{font-size:.9375rem;color:var(--ink-2)}
.done .btn{margin-top:20px}

/* アクセス */
.access-in{display:grid;gap:clamp(28px,4vw,56px);align-items:center}
@media (min-width:900px){ .access-in{grid-template-columns:minmax(0,1fr) minmax(0,1fr)} }
.info{display:grid;grid-template-columns:6em 1fr;gap:10px 18px;margin:0}
.info dt{font-size:.8125rem;color:var(--ink-2);font-weight:700}
.info dd{margin:0;font-size:.9375rem}
.fake{display:block;font-size:.75rem;color:var(--shu)}

/* フッター */
.foot{background:var(--ink);color:#F4F1ED;padding-block:clamp(40px,6vw,64px)}
.foot-in{display:grid;gap:28px}
@media (min-width:760px){ .foot-in{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)} }
.foot .logo b,.foot .logo span{color:#F4F1ED}
.fake-note{margin-top:14px;font-size:.8125rem;color:rgba(244,241,237,.72);line-height:1.95;max-width:34em}
.fake-note strong{color:#fff}
.credit{font-size:.8125rem;color:rgba(244,241,237,.72)}
.credit a{color:#fff}
.credit .small{font-size:.75rem;color:rgba(244,241,237,.5);margin-top:8px}

/* スマホの固定バー */
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--rule);
  padding:12px var(--pad) calc(12px + env(safe-area-inset-bottom,0px))}
@media (min-width:760px){ .sticky{display:none} }
.s-price{display:grid;line-height:1.4}
.s-price b{font-family:var(--en);font-size:1.25rem;font-weight:600;color:var(--shu)}
.s-price span{font-size:.6875rem;color:var(--ink-2);text-decoration:line-through}

/* 出方 */
.js .rise{opacity:0;transform:translateY(16px)}
.js .rise.in{opacity:1;transform:none;transition:opacity .8s var(--ease),transform .8s var(--ease)}
@media (prefers-reduced-motion:reduce){
  .js .rise{opacity:1;transform:none}
  .btn:hover{transform:none}
}