:root{
  --navy:#161f2e;
  --navy-2:#212c40;
  --accent:#ff7a45;
  --accent-2:#ffb088;
  --bg:#f7f6f3;
  --text:#22262b;
  --muted:#6b7280;
  --white:#ffffff;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.75;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
.container{max-width:1080px;margin:0 auto;padding:0 24px;}
h1,h2,h3{line-height:1.4;}
.icon{width:26px;height:26px;stroke:var(--accent);}

/* サンプル明示バナー */
.sample-banner{
  background:var(--navy);
  color:#fff;
  text-align:center;
  font-size:13px;
  padding:8px 12px;
  letter-spacing:.02em;
}
.sample-banner strong{color:var(--accent-2);}

/* header */
header{
  background:rgba(247,246,243,.9);
  backdrop-filter:blur(6px);
  position:sticky;top:0;z-index:20;
  border-bottom:1px solid rgba(0,0,0,.06);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;}
.logo{font-weight:800;font-size:20px;letter-spacing:.03em;}
.logo span{color:var(--accent);}
.nav-links{display:flex;gap:28px;font-size:14px;font-weight:600;}
.nav-cta{
  background:var(--accent);color:#fff;padding:10px 20px;border-radius:999px;
  font-size:14px;font-weight:700;white-space:nowrap;
}
@media(max-width:768px){ .nav-links{display:none;} }

/* hero */
.hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(120deg,rgba(22,31,46,.92) 15%,rgba(22,31,46,.55) 55%,rgba(22,31,46,.85) 100%),
    url("https://t4.ftcdn.net/jpg/04/15/96/51/240_F_415965143_xlk7FlPhDZDVi9JpgJdatKaiwTRlRNdF.jpg") center/cover no-repeat;
  color:#fff;
  padding:96px 24px 120px;
}
.hero-inner{max-width:1080px;margin:0 auto;position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--accent-2);border:1px solid rgba(255,122,69,.5);
  padding:6px 14px;border-radius:999px;margin-bottom:24px;
}
.hero h1{font-size:clamp(28px,5vw,48px);font-weight:800;max-width:680px;margin-bottom:20px;}
.hero h1 em{color:var(--accent);font-style:normal;}
.hero p{font-size:16px;color:#c9d0dc;max-width:520px;margin-bottom:36px;}
.btn{
  display:inline-block;padding:16px 32px;border-radius:999px;font-weight:700;font-size:15px;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 12px 30px -8px rgba(255,122,69,.6);}
.btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4);margin-left:12px;}
.hero-stats{display:flex;gap:40px;margin-top:56px;flex-wrap:wrap;}
.hero-stats div strong{display:block;font-size:28px;color:#fff;}
.hero-stats div span{font-size:13px;color:#9aa4b5;}

section{padding:88px 0;}
.section-head{max-width:560px;margin:0 auto 56px;text-align:center;}
.eyebrow{
  display:block;font-size:13px;font-weight:700;color:var(--accent);
  letter-spacing:.1em;margin-bottom:12px;text-transform:uppercase;
}
.section-head h2{font-size:clamp(22px,3.4vw,32px);font-weight:800;}
.section-head p{color:var(--muted);margin-top:14px;font-size:15px;}

/* 選ばれる理由(写真+カード) */
.features-layout{display:grid;grid-template-columns:0.9fr 1.1fr;gap:36px;align-items:stretch;}
@media(max-width:860px){ .features-layout{grid-template-columns:1fr;} }
.features-photo{
  border-radius:var(--radius);overflow:hidden;min-height:320px;
  background:#111 center/cover no-repeat;
  position:relative;
}
.features-photo img{width:100%;height:100%;object-fit:cover;min-height:320px;}
.features-photo-caption{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;
  background:linear-gradient(0deg,rgba(0,0,0,.65),transparent);color:#fff;font-size:13px;font-weight:600;
}
.features{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
@media(max-width:520px){ .features{grid-template-columns:1fr;} }
.feature-card{
  background:#fff;border-radius:var(--radius);padding:26px 22px;
  box-shadow:0 10px 30px -18px rgba(22,31,46,.25);
  border:1px solid rgba(0,0,0,.04);
}
.feature-icon{
  width:44px;height:44px;border-radius:12px;background:#fff1ea;
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.feature-card h3{font-size:15.5px;font-weight:800;margin-bottom:10px;}
.feature-card p{font-size:13px;color:var(--muted);}

/* 施設フォトバナー */
.photo-banner{
  position:relative;border-radius:var(--radius);overflow:hidden;
  min-height:280px;margin-top:8px;
}
.photo-banner img{width:100%;height:340px;object-fit:cover;}
.photo-banner-text{
  position:absolute;inset:0;display:flex;align-items:center;
  background:linear-gradient(90deg,rgba(22,31,46,.75) 30%,rgba(22,31,46,0) 75%);
  color:#fff;padding:0 40px;
}
.photo-banner-text h3{font-size:clamp(18px,2.6vw,24px);font-weight:800;max-width:360px;}
.photo-banner-text p{font-size:13.5px;color:#d7dce6;margin-top:10px;max-width:340px;}

/* 料金プラン */
.plans{background:#fff;}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media(max-width:900px){ .plan-grid{grid-template-columns:1fr;} }
.plan-card{
  border-radius:var(--radius);padding:32px 28px;border:1px solid rgba(0,0,0,.08);
  display:flex;flex-direction:column;
}
.plan-card.is-featured{
  background:var(--navy);color:#fff;position:relative;transform:translateY(-8px);
  box-shadow:0 24px 50px -18px rgba(22,31,46,.5);
}
.plan-badge{
  position:absolute;top:-14px;left:28px;background:var(--accent);color:#fff;
  font-size:12px;font-weight:800;padding:6px 14px;border-radius:999px;
}
.plan-name{font-size:14px;font-weight:700;color:var(--accent);margin-bottom:10px;}
.plan-card.is-featured .plan-name{color:var(--accent-2);}
.plan-price{font-size:30px;font-weight:800;margin-bottom:4px;}
.plan-price span{font-size:13px;font-weight:600;opacity:.7;}
.plan-list{margin:24px 0;flex:1;}
.plan-list li{font-size:13.5px;padding:8px 0;border-top:1px solid rgba(0,0,0,.06);}
.plan-card.is-featured .plan-list li{border-top:1px solid rgba(255,255,255,.12);}
.plan-list li:first-child{border-top:none;}
.plan-cta{
  text-align:center;padding:13px;border-radius:999px;font-weight:700;font-size:14px;
  background:var(--bg);
}
.plan-card.is-featured .plan-cta{background:var(--accent);color:#fff;}

/* お客様の声 */
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
@media(max-width:900px){ .voices{grid-template-columns:1fr;} }
.voice-card{background:#fff;border-radius:var(--radius);padding:26px;border:1px solid rgba(0,0,0,.05);}
.voice-card p{font-size:14px;color:var(--text);margin-bottom:18px;}
.voice-person{display:flex;align-items:center;gap:12px;}
.voice-avatar{
  width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-2));
  flex-shrink:0;
}
.voice-person strong{display:block;font-size:13.5px;}
.voice-person span{font-size:12px;color:var(--muted);}

/* FAQ */
.faq{max-width:760px;margin:0 auto;}
details{
  background:#fff;border-radius:12px;padding:18px 22px;margin-bottom:12px;
  border:1px solid rgba(0,0,0,.06);
}
summary{font-weight:700;font-size:14.5px;cursor:pointer;list-style:none;position:relative;padding-right:28px;}
summary::-webkit-details-marker{display:none;}
summary::after{
  content:"+";position:absolute;right:0;top:0;font-size:18px;color:var(--accent);
}
details[open] summary::after{content:"−";}
details p{margin-top:12px;font-size:13.5px;color:var(--muted);}

/* CTA + フォーム */
.cta-section{
  background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
@media(max-width:840px){ .cta-grid{grid-template-columns:1fr;} }
.cta-grid h2{font-size:clamp(22px,3.4vw,30px);font-weight:800;margin-bottom:16px;}
.cta-grid p{color:#c9d0dc;font-size:14.5px;margin-bottom:8px;}
form{background:#fff;border-radius:var(--radius);padding:28px;color:var(--text);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:12.5px;font-weight:700;margin-bottom:6px;color:var(--muted);}
.field input,.field select{
  width:100%;padding:12px 14px;border:1px solid rgba(0,0,0,.15);border-radius:8px;font-size:14px;
  font-family:inherit;background:#fafafa;
}
form .btn-primary{width:100%;text-align:center;border:none;font-size:15px;cursor:pointer;}
.form-note{font-size:11.5px;color:var(--muted);margin-top:12px;text-align:center;}

footer{background:var(--navy);color:#9aa4b5;padding:40px 24px;text-align:center;font-size:12.5px;}
footer strong{color:#fff;}