/* ==========================================================
   こころ再生社 デモサイト共通スタイル
   ========================================================== */
:root{
  --primary:#1f4d46;
  --primary-dark:#12332e;
  --primary-light:#e7efec;
  --accent:#d9773f;
  --accent-dark:#b95f2c;
  --fire:#c1461f;
  --fire-dark:#912f12;
  --bg:#faf7f2;
  --bg-alt:#f1ece2;
  --card:#ffffff;
  --text:#2b2b28;
  --text-soft:#5c584f;
  --border:#e4ddce;
  --radius:14px;
  --shadow:0 10px 30px rgba(31,77,70,.10);
  --shadow-sm:0 4px 14px rgba(31,77,70,.08);
  font-size:16px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px;}
section{padding:88px 0;}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.4;font-weight:700;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;}
li{list-style:none;}
button{font-family:inherit;cursor:pointer;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:700;letter-spacing:.08em;
  color:var(--primary);background:var(--primary-light);
  padding:6px 16px;border-radius:999px;margin-bottom:16px;
}
.fire-theme .eyebrow{color:var(--fire);background:#fbe9e1;}

.section-head{max-width:680px;margin:0 auto 52px;text-align:center;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);}
.section-head p{color:var(--text-soft);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(250,247,242,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:1120px;margin:0 auto;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;color:var(--primary-dark);}
.brand .mark{
  width:40px;height:40px;border-radius:10px;background:var(--primary);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:1rem;font-weight:800;flex-shrink:0;
}
.brand small{display:block;font-size:.68rem;font-weight:500;color:var(--text-soft);letter-spacing:.03em;}
.mainnav{display:flex;gap:28px;align-items:center;}
.mainnav a{font-size:.92rem;font-weight:600;color:var(--text-soft);padding:6px 2px;border-bottom:2px solid transparent;transition:.2s;}
.mainnav a:hover,.mainnav a.active{color:var(--primary);border-color:var(--accent);}
.header-cta{display:flex;align-items:center;gap:14px;}
.tel-badge{font-size:.82rem;color:var(--text-soft);text-align:right;line-height:1.3;}
.tel-badge strong{display:block;font-size:1.05rem;color:var(--primary-dark);}
.navburger{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:6px;}
.navburger span{width:24px;height:2px;background:var(--primary-dark);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:2px solid transparent;transition:.2s;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(217,119,63,.35);}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);}
.btn-ghost{background:#fff;color:var(--primary-dark);border-color:var(--border);}
.btn-ghost:hover{border-color:var(--primary);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-outline-light:hover{background:rgba(255,255,255,.15);}
.fire-theme .btn-primary{background:var(--fire);box-shadow:0 8px 20px rgba(193,70,31,.35);}
.fire-theme .btn-primary:hover{background:var(--fire-dark);}
.btn-block{width:100%;}

/* ---------- hero ---------- */
.hero{
  position:relative;padding:64px 0 90px;overflow:hidden;
  background:linear-gradient(180deg,#eef4f1 0%, var(--bg) 100%);
}
.fire-theme .hero{background:linear-gradient(180deg,#f7ece5 0%, var(--bg) 100%);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero h1{font-size:clamp(1.9rem,3.6vw,2.9rem);color:var(--primary-dark);}
.fire-theme .hero h1{color:var(--fire-dark);}
.hero h1 em{color:var(--accent);font-style:normal;}
.fire-theme .hero h1 em{color:var(--fire);}
.hero-lead{font-size:1.05rem;color:var(--text-soft);max-width:520px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 30px;}
.hero-badges span{
  font-size:.78rem;font-weight:700;background:#fff;border:1px solid var(--border);
  padding:8px 14px;border-radius:999px;color:var(--primary-dark);
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;}
.hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow);}
.hero-media img{height:440px;object-fit:cover;width:100%;}
.hero-float-card{
  position:absolute;left:22px;bottom:22px;background:rgba(18,51,46,.88);
  color:#fff;padding:16px 20px;border-radius:12px;max-width:260px;backdrop-filter:blur(4px);
}
.fire-theme .hero-float-card{background:rgba(145,47,18,.88);}
.hero-float-card strong{display:block;font-size:1.1rem;}
.hero-float-card span{font-size:.78rem;opacity:.85;}

/* ---------- trust bar ---------- */
.trustbar{background:var(--primary-dark);color:#fff;padding:20px 0;}
.fire-theme .trustbar{background:var(--fire-dark);}
.trustbar .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;text-align:center;}
.trustbar-item{flex:1;min-width:140px;}
.trustbar-item strong{display:block;font-size:1.5rem;}
.trustbar-item span{font-size:.78rem;opacity:.8;}

/* ---------- service cards ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.svc-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow-sm);transition:.2s;
}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.svc-card .icon{
  width:52px;height:52px;border-radius:12px;background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:16px;
}
.fire-theme .svc-card .icon{background:#fbe9e1;}
.svc-card h3{font-size:1.05rem;}
.svc-card p{color:var(--text-soft);font-size:.92rem;margin-bottom:0;}

/* ---------- flow ---------- */
.flow-list{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:flow;}
.flow-item{position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px 18px 20px;text-align:center;}
.flow-item::before{
  counter-increment:flow;content:counter(flow);
  position:absolute;top:-16px;left:50%;transform:translateX(-50%);
  width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.95rem;
  box-shadow:0 4px 10px rgba(217,119,63,.4);
}
.fire-theme .flow-item::before{background:var(--fire);box-shadow:0 4px 10px rgba(193,70,31,.4);}
.flow-item h4{font-size:.95rem;margin:10px 0 6px;}
.flow-item p{font-size:.82rem;color:var(--text-soft);margin:0;}

/* ---------- before/after slider ---------- */
.ba-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.ba-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border);}
.ba-slider{position:relative;width:100%;aspect-ratio:4/3;overflow:hidden;user-select:none;}
.ba-slider img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.ba-slider .ba-after{position:absolute;inset:0;width:100%;height:100%;overflow:hidden;}
.ba-slider .ba-after img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.ba-tag{position:absolute;top:12px;font-size:.7rem;font-weight:800;padding:4px 10px;border-radius:6px;z-index:3;letter-spacing:.05em;}
.ba-tag.before{left:12px;background:rgba(43,43,40,.72);color:#fff;}
.ba-tag.after{right:12px;background:var(--accent);color:#fff;}
.fire-theme .ba-tag.after{background:var(--fire);}
.ba-handle{
  position:absolute;top:0;bottom:0;width:3px;background:#fff;left:50%;
  transform:translateX(-50%);z-index:4;box-shadow:0 0 0 1px rgba(0,0,0,.15);
  pointer-events:none;
}
.ba-handle::after{
  content:"⇔";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:38px;height:38px;background:#fff;border-radius:50%;display:flex;
  align-items:center;justify-content:center;font-size:1rem;color:var(--primary);
  box-shadow:0 4px 10px rgba(0,0,0,.25);
}
.ba-range{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;z-index:5;}
.ba-caption{padding:16px 18px;}
.ba-caption h4{font-size:.95rem;margin:0 0 4px;}
.ba-caption span{font-size:.8rem;color:var(--text-soft);}

/* ---------- pricing ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.price-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:30px 26px;text-align:center;position:relative;}
.price-card.featured{border-color:var(--accent);box-shadow:0 14px 32px rgba(217,119,63,.18);transform:scale(1.03);}
.fire-theme .price-card.featured{border-color:var(--fire);box-shadow:0 14px 32px rgba(193,70,31,.18);}
.price-card .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;font-size:.72rem;font-weight:800;padding:4px 14px;border-radius:999px;}
.fire-theme .price-card .badge{background:var(--fire);}
.price-card h3{font-size:1rem;color:var(--text-soft);font-weight:700;}
.price-card .amount{font-size:1.9rem;font-weight:800;color:var(--primary-dark);margin:8px 0 4px;}
.fire-theme .price-card .amount{color:var(--fire-dark);}
.price-card .amount small{font-size:.9rem;font-weight:600;color:var(--text-soft);}
.price-card ul{margin-top:18px;text-align:left;}
.price-card li{font-size:.86rem;color:var(--text-soft);padding:6px 0;border-top:1px dashed var(--border);}
.price-note{text-align:center;font-size:.85rem;color:var(--text-soft);margin-top:22px;}

/* ---------- estimator ---------- */
.estimator{background:var(--primary-light);border-radius:20px;padding:44px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.fire-theme .estimator{background:#fbe9e1;}
.estimator h3{font-size:1.2rem;color:var(--primary-dark);}
.fire-theme .estimator h3{color:var(--fire-dark);}
.est-field{margin-bottom:16px;}
.est-field label{display:block;font-size:.82rem;font-weight:700;color:var(--text-soft);margin-bottom:6px;}
.est-field select{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);
  background:#fff;font-size:.92rem;color:var(--text);appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%235c584f' stroke-width='2' fill='none' fill-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
}
.est-result{background:#fff;border-radius:16px;padding:30px;text-align:center;box-shadow:var(--shadow-sm);}
.est-result span{font-size:.82rem;color:var(--text-soft);font-weight:700;}
.est-result .num{font-size:2.1rem;font-weight:800;color:var(--accent);margin:8px 0;}
.fire-theme .est-result .num{color:var(--fire);}
.est-result p{font-size:.78rem;color:var(--text-soft);margin:0;}

/* ---------- voice / testimonial ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.voice-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);}
.voice-stars{color:#e0a534;font-size:.9rem;margin-bottom:10px;letter-spacing:2px;}
.voice-card p{font-size:.9rem;color:var(--text-soft);}
.voice-who{display:flex;align-items:center;gap:10px;margin-top:14px;}
.voice-who .avatar{width:38px;height:38px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.85rem;}
.fire-theme .voice-who .avatar{background:var(--fire);}
.voice-who span{font-size:.8rem;color:var(--text-soft);font-weight:700;}

/* ---------- faq ---------- */
.faq-list{max-width:760px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:22px 4px;background:none;border:none;text-align:left;font-size:1rem;font-weight:700;color:var(--text);
}
.faq-q .plus{font-size:1.3rem;color:var(--accent);transition:.25s;flex-shrink:0;}
.fire-theme .faq-q .plus{color:var(--fire);}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 4px 22px;color:var(--text-soft);font-size:.92rem;max-width:640px;}

/* ---------- area ---------- */
.area-box{display:flex;gap:40px;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:36px;}
.area-tags{display:flex;flex-wrap:wrap;gap:10px;}
.area-tags span{background:var(--bg-alt);padding:7px 14px;border-radius:8px;font-size:.85rem;font-weight:600;color:var(--text-soft);}

/* ---------- cta band ---------- */
.cta-band{background:var(--primary-dark);color:#fff;text-align:center;}
.fire-theme .cta-band{background:var(--fire-dark);}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.1rem);}
.cta-band p{color:rgba(255,255,255,.8);max-width:560px;margin:0 auto 30px;}
.cta-band .hero-cta{justify-content:center;}
.cta-contact-row{display:flex;justify-content:center;gap:36px;margin-top:30px;flex-wrap:wrap;}
.cta-contact-row div{text-align:left;}
.cta-contact-row strong{display:block;font-size:1.3rem;}
.cta-contact-row span{font-size:.78rem;opacity:.75;}

/* ---------- contact form ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;}
.contact-side h3{font-size:1.1rem;}
.contact-side p{color:var(--text-soft);font-size:.92rem;}
.contact-info-item{display:flex;gap:14px;margin-top:20px;align-items:flex-start;}
.contact-info-item .ic{width:42px;height:42px;border-radius:10px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.fire-theme .contact-info-item .ic{background:#fbe9e1;}
.contact-info-item strong{display:block;font-size:.9rem;}
.contact-info-item span{font-size:.82rem;color:var(--text-soft);}
form.contact-form{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm);}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:.82rem;font-weight:700;margin-bottom:6px;}
.form-row label .req{color:var(--fire);font-size:.72rem;margin-left:4px;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);
  font-family:inherit;font-size:.92rem;background:#fff;color:var(--text);
}
.form-row textarea{resize:vertical;min-height:96px;}
.form-row input:invalid.touched,.form-row textarea:invalid.touched{border-color:var(--fire);}
.form-row .err{display:none;color:var(--fire);font-size:.76rem;margin-top:4px;}
.form-row input.touched:invalid ~ .err,.form-row textarea.touched:invalid ~ .err{display:block;}
.form-success{display:none;background:var(--primary-light);color:var(--primary-dark);padding:16px;border-radius:10px;font-size:.88rem;margin-top:16px;font-weight:700;text-align:center;}
.fire-theme .form-success{background:#fbe9e1;color:var(--fire-dark);}
.form-success.show{display:block;}

/* ---------- footer ---------- */
footer{background:var(--primary-dark);color:rgba(255,255,255,.75);padding:44px 0 26px;font-size:.85rem;}
.fire-theme footer{background:var(--fire-dark);}
.footer-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.15);margin-bottom:20px;}
.footer-nav{display:flex;gap:22px;flex-wrap:wrap;}
.footer-nav a:hover{color:#fff;}
.demo-note{background:#3a3226;color:#f4ead9;text-align:center;font-size:.78rem;padding:8px 16px;}
.demo-note b{color:var(--accent);}

/* ---------- reveal (progressive enhancement: visible by default, JS opts into the animation) ---------- */
.js-anim .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.js-anim .reveal.in{opacity:1;transform:none;}

/* ---------- switch banner (index hub) ---------- */
.svc-switch{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.switch-card{
  position:relative;border-radius:20px;overflow:hidden;min-height:360px;
  display:flex;align-items:flex-end;padding:34px;color:#fff;box-shadow:var(--shadow);
}
.switch-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
.switch-card::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,51,46,.15),rgba(18,51,46,.92));z-index:1;}
.switch-card.fire::before{background:linear-gradient(180deg,rgba(145,47,18,.15),rgba(145,47,18,.92));}
.switch-card .inner{position:relative;z-index:2;}
.switch-card .tag{font-size:.75rem;font-weight:800;letter-spacing:.08em;background:rgba(255,255,255,.18);padding:5px 12px;border-radius:999px;}
.switch-card h3{font-size:1.5rem;margin:14px 0 8px;}
.switch-card p{font-size:.9rem;opacity:.85;max-width:420px;}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-media img{height:320px;}
  .svc-grid,.price-grid,.voice-grid,.ba-wrap{grid-template-columns:repeat(2,1fr);}
  .flow-list{grid-template-columns:repeat(3,1fr);row-gap:34px;}
  .estimator{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .svc-switch{grid-template-columns:1fr;}
  .mainnav{display:none;}
  .navburger{display:flex;}
}
@media(max-width:640px){
  section{padding:60px 0;}
  .svc-grid,.price-grid,.voice-grid,.ba-wrap{grid-template-columns:1fr;}
  .flow-list{grid-template-columns:1fr 1fr;}
  .trustbar .wrap{justify-content:flex-start;}
  .price-card.featured{transform:none;}
  .footer-top{flex-direction:column;}
  .cta-contact-row{flex-direction:column;gap:16px;align-items:center;}
}