:root{
  --navy:#1d3557;
  --navy-d:#142840;
  --red:#e63946;
  --red-d:#c12d39;
  --steel:#4a5568;
  --steel-l:#8a96a6;
  --bg:#ffffff;
  --bg-gray:#f2f4f7;
  --bg-gray2:#e7ebf0;
  --line:#d8dee6;
  --text:#1f2933;
  --text-l:#5b6675;
  --white:#fff;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"Noto Sans JP",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px;}

/* demo banner */
.demo-banner{
  background:#1a3a5c;color:#fff;text-align:center;
  padding:8px 12px;font-size:13px;line-height:1.5;
}

/* header */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(6px);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:74px;
}
.logo{display:flex;align-items:center;gap:12px;}
.logo-mark{
  width:46px;height:46px;border-radius:8px;
  background:linear-gradient(135deg,var(--navy),var(--navy-d));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:22px;box-shadow:0 3px 8px rgba(29,53,87,.3);
}
.logo-text b{display:block;font-size:20px;font-weight:900;letter-spacing:.04em;color:var(--navy);line-height:1.1;}
.logo-text span{display:block;font-size:11px;color:var(--steel);letter-spacing:.12em;font-weight:500;}
.header-cta{display:flex;align-items:center;gap:18px;}
.header-tel{text-align:right;line-height:1.2;}
.header-tel small{display:block;font-size:11px;color:var(--text-l);font-weight:500;}
.header-tel b{font-size:22px;font-weight:900;color:var(--navy);letter-spacing:.02em;}
.header-tel b i{color:var(--red);margin-right:5px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;border-radius:6px;transition:.2s;cursor:pointer;
  font-family:inherit;border:none;
}
.btn-red{background:var(--red);color:#fff;padding:12px 22px;font-size:15px;box-shadow:0 3px 10px rgba(230,57,70,.3);}
.btn-red:hover{background:var(--red-d);transform:translateY(-1px);}
.btn-navy{background:var(--navy);color:#fff;padding:14px 30px;font-size:16px;}
.btn-navy:hover{background:var(--navy-d);}
.btn-ghost{background:#fff;color:var(--navy);border:2px solid var(--navy);padding:12px 26px;font-size:15px;}
.btn-ghost:hover{background:var(--navy);color:#fff;}
.btn-lg{padding:16px 38px;font-size:17px;}

/* hero */
.hero{
  position:relative;
  color:#fff;overflow:hidden;
}
.hero-slides{position:absolute;inset:0;z-index:0;}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.6s ease;}
.hero-slide.active{opacity:1;animation:heroZoom 8s ease forwards;}
@keyframes heroZoom{from{transform:scale(1.09)}to{transform:scale(1)}}
.hero-ovl{position:absolute;inset:0;z-index:1;background:linear-gradient(95deg, rgba(13,23,42,.86), rgba(29,53,87,.58) 46%, rgba(29,53,87,.30) 100%);}
.hero-dots{position:absolute;z-index:3;left:0;right:0;bottom:24px;display:flex;gap:9px;justify-content:center;}
.hero-dots button{width:11px;height:11px;padding:0;border:none;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;transition:all .3s;}
.hero-dots button.on{background:#e63946;width:30px;border-radius:6px;}
.hero-cap{position:absolute;z-index:3;right:18px;bottom:20px;font-size:12px;color:rgba(255,255,255,.85);background:rgba(0,0,0,.32);padding:5px 12px;border-radius:20px;}
.hero-inner{position:relative;z-index:2;padding:84px 0 92px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);
  padding:7px 16px;border-radius:40px;font-size:13px;font-weight:500;
  margin-bottom:24px;letter-spacing:.03em;
}
.hero-tag i{color:var(--red);}
.hero h1{
  font-size:50px;font-weight:900;line-height:1.25;letter-spacing:.01em;
  margin-bottom:22px;text-shadow:0 2px 14px rgba(0,0,0,.25);
}
.hero h1 .acc{color:#ffd5d9;}
.hero p.sub{font-size:18px;font-weight:400;line-height:1.8;color:#dbe3ee;max-width:640px;margin-bottom:36px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center;}
.hero-note{display:flex;align-items:center;gap:8px;font-size:14px;color:#c3cedd;margin-top:22px;}
.hero-note i{color:#ffd5d9;}
.hero-badges{display:flex;gap:14px;flex-wrap:wrap;margin-top:44px;}
.hero-badge{
  display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  padding:14px 20px;border-radius:10px;font-size:14px;font-weight:500;
}
.hero-badge i{font-size:22px;color:#ffd5d9;}

/* section common */
.section{padding:80px 0;}
.section.gray{background:var(--bg-gray);}
.sec-head{text-align:center;margin-bottom:52px;}
.sec-head .en{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.22em;
  color:var(--red);margin-bottom:10px;
}
.sec-head h2{font-size:34px;font-weight:900;color:var(--navy);line-height:1.3;letter-spacing:.02em;}
.sec-head p{margin-top:14px;color:var(--text-l);font-size:15px;}
.sec-head h2::after{
  content:"";display:block;width:52px;height:4px;background:var(--red);
  margin:18px auto 0;border-radius:2px;
}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.svc-card{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:34px 28px;transition:.25s;position:relative;overflow:hidden;
}
.svc-card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:4px;
  background:var(--navy);transform:scaleX(0);transform-origin:left;transition:.25s;
}
.svc-card:hover{box-shadow:0 12px 30px rgba(29,53,87,.12);transform:translateY(-4px);border-color:transparent;}
.svc-card:hover::before{transform:scaleX(1);}
.svc-icon{
  width:64px;height:64px;border-radius:12px;
  background:linear-gradient(135deg,var(--navy),var(--navy-d));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:28px;margin-bottom:20px;
}
.svc-card:nth-child(2) .svc-icon,
.svc-card:nth-child(4) .svc-icon{background:linear-gradient(135deg,var(--red),var(--red-d));}
.svc-card h3{font-size:20px;font-weight:900;color:var(--navy);margin-bottom:12px;}
.svc-card p{font-size:14.5px;color:var(--text-l);line-height:1.85;}
.svc-card .tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
.svc-card .tags span{
  font-size:12px;background:var(--bg-gray);color:var(--steel);
  padding:4px 11px;border-radius:20px;font-weight:500;
}

/* before-after */
.ba-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.ba-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.ba-pair{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line);}
.ba-img{
  aspect-ratio:4/3;background:var(--bg-gray2);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:var(--steel-l);text-align:center;padding:14px;position:relative;
}
.ba-img i{font-size:30px;margin-bottom:8px;opacity:.55;}
.ba-img .ph-label{font-size:11px;line-height:1.5;font-weight:500;}
.ba-img .ba-flag{
  position:absolute;top:8px;left:8px;font-size:11px;font-weight:700;
  color:#fff;padding:3px 9px;border-radius:4px;
}
.ba-img.before .ba-flag{background:var(--steel);}
.ba-img.after .ba-flag{background:var(--red);}
.ba-body{padding:18px 20px;}
.ba-body h4{font-size:16px;font-weight:700;color:var(--navy);margin-bottom:5px;}
.ba-body p{font-size:13px;color:var(--text-l);}
.sample-note{
  text-align:center;margin-top:26px;font-size:13px;color:var(--text-l);
  background:#fff;border:1px dashed var(--line);border-radius:8px;padding:12px;
}
.sample-note i{color:var(--red);margin-right:6px;}

/* reasons */
.reason-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.reason-card{
  display:flex;gap:22px;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:30px 28px;
}
.reason-num{
  flex-shrink:0;width:54px;height:54px;border-radius:50%;
  background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:900;
}
.reason-card:nth-child(even) .reason-num{background:var(--red);}
.reason-card h3{font-size:19px;font-weight:900;color:var(--navy);margin-bottom:9px;}
.reason-card p{font-size:14.5px;color:var(--text-l);line-height:1.85;}

/* price */
.price-wrap{max-width:780px;margin:0 auto;}
.price-table{
  width:100%;background:#fff;border:1px solid var(--line);
  border-radius:12px;overflow:hidden;border-collapse:collapse;
}
.price-table tr{border-bottom:1px solid var(--line);}
.price-table tr:last-child{border-bottom:none;}
.price-table th{
  background:var(--navy);color:#fff;text-align:left;
  padding:16px 24px;font-size:15px;font-weight:700;width:46%;
}
.price-table td{padding:16px 24px;font-size:15px;}
.price-table td .yen{font-size:22px;font-weight:900;color:var(--navy);}
.price-table td small{color:var(--text-l);font-size:13px;}
.price-note{margin-top:18px;font-size:13px;color:var(--text-l);text-align:center;}
.price-note i{color:var(--red);margin-right:6px;}

/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step;}
.flow-step{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:30px 22px;text-align:center;position:relative;
}
.flow-step .step-no{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.15em;
  color:var(--red);margin-bottom:14px;
}
.flow-step .flow-ic{
  width:60px;height:60px;margin:0 auto 16px;border-radius:50%;
  background:var(--bg-gray);color:var(--navy);
  display:flex;align-items:center;justify-content:center;font-size:26px;
}
.flow-step h4{font-size:17px;font-weight:900;color:var(--navy);margin-bottom:8px;}
.flow-step p{font-size:13.5px;color:var(--text-l);line-height:1.8;}
.flow-step:not(:last-child)::after{
  content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:-14px;top:50%;transform:translateY(-50%);
  color:var(--steel-l);font-size:18px;z-index:2;
}

/* cta block */
.cta-block{
  background:linear-gradient(135deg,var(--red),var(--red-d));
  color:#fff;text-align:center;position:relative;overflow:hidden;
}
.cta-block::after{
  content:"";position:absolute;left:-100px;bottom:-120px;width:360px;height:360px;
  background:radial-gradient(circle,rgba(255,255,255,.14),transparent 70%);
}
.cta-block .wrap{position:relative;z-index:2;padding:70px 20px;}
.cta-block h2{font-size:32px;font-weight:900;margin-bottom:14px;line-height:1.35;}
.cta-block p{font-size:16px;margin-bottom:30px;color:#ffe5e7;}
.cta-row{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;align-items:center;}
.cta-tel-big{
  background:#fff;border-radius:12px;padding:18px 30px;color:var(--navy);
  display:inline-flex;align-items:center;gap:16px;text-align:left;
}
.cta-tel-big .ic{font-size:34px;color:var(--red);}
.cta-tel-big small{display:block;font-size:12px;color:var(--text-l);font-weight:500;}
.cta-tel-big b{font-size:30px;font-weight:900;letter-spacing:.02em;line-height:1.1;}
.btn-line{background:#06c755;color:#fff;padding:16px 30px;font-size:16px;}
.btn-line:hover{background:#05a648;}

/* contact / access + form */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:start;}
.access-box h3,.form-box h3{
  font-size:22px;font-weight:900;color:var(--navy);margin-bottom:22px;
  display:flex;align-items:center;gap:10px;
}
.access-box h3 i,.form-box h3 i{color:var(--red);}
.info-list{list-style:none;}
.info-list li{
  display:flex;gap:14px;padding:15px 0;border-bottom:1px solid var(--line);font-size:14.5px;
}
.info-list li i{color:var(--navy);font-size:18px;width:22px;text-align:center;margin-top:3px;}
.info-list li b{display:block;font-size:12px;color:var(--text-l);font-weight:500;margin-bottom:2px;}
.map-ph{
  margin-top:22px;background:var(--bg-gray2);border-radius:10px;
  height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:var(--steel-l);text-align:center;border:1px solid var(--line);
}
.map-ph i{font-size:34px;margin-bottom:10px;opacity:.55;}
.map-ph span{font-size:12px;font-weight:500;}

.form-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:34px 30px;}
.form-field{margin-bottom:18px;}
.form-field label{display:block;font-size:13.5px;font-weight:700;color:var(--navy);margin-bottom:7px;}
.form-field label .req{color:var(--red);font-size:11px;margin-left:6px;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;border:1px solid var(--line);border-radius:7px;
  padding:11px 14px;font-size:14.5px;font-family:inherit;color:var(--text);
  background:var(--bg);transition:.2s;
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(29,53,87,.1);
}
.form-field textarea{resize:vertical;min-height:96px;}
.form-submit{width:100%;}
.form-privacy{font-size:12px;color:var(--text-l);text-align:center;margin-top:14px;}

/* footer */
.footer{background:var(--navy-d);color:#cdd5e0;padding:54px 0 28px;}
.footer-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px;margin-bottom:38px;}
.footer-brand .logo-text b{color:#fff;}
.footer-brand .logo-text span{color:#9fb0c4;}
.footer-brand p{margin-top:16px;font-size:13.5px;color:#9fb0c4;max-width:340px;line-height:1.9;}
.footer-nav{display:flex;gap:50px;flex-wrap:wrap;}
.footer-nav h5{font-size:13px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.05em;}
.footer-nav ul{list-style:none;}
.footer-nav ul li{margin-bottom:10px;}
.footer-nav ul li a{font-size:13.5px;color:#9fb0c4;transition:.2s;}
.footer-nav ul li a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:22px;
  text-align:center;font-size:12px;color:#8493a8;line-height:1.8;
}

/* mobile float cta */
.mobile-cta{display:none;}

@media(max-width:880px){
  .svc-grid{grid-template-columns:repeat(2,1fr);}
  .ba-grid{grid-template-columns:1fr;}
  .reason-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-step:nth-child(2)::after,.flow-step:not(:last-child)::after{content:none;}
  .contact-grid{grid-template-columns:1fr;}
}
@media(max-width:620px){
  .header-tel{display:none;}
  .header-cta .btn-red{padding:10px 16px;font-size:13px;}
  .header-inner{height:64px;}
  .logo-mark{width:40px;height:40px;font-size:19px;}
  .logo-text b{font-size:17px;}
  .hero-inner{padding:56px 0 64px;}
  .hero h1{font-size:33px;}
  .hero p.sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .section{padding:56px 0;}
  .sec-head h2{font-size:26px;}
  .svc-grid{grid-template-columns:1fr;}
  .cta-block h2{font-size:25px;}
  .cta-tel-big{width:100%;justify-content:center;}
  .cta-row .btn{width:100%;}
  .footer-top{flex-direction:column;}
  body{padding-bottom:64px;}
  .mobile-cta{
    display:flex;position:fixed;bottom:0;left:0;right:0;z-index:90;
    box-shadow:0 -3px 14px rgba(0,0,0,.16);
  }
  .mobile-cta a{
    flex:1;display:flex;align-items:center;justify-content:center;gap:8px;
    padding:15px 0;font-weight:700;font-size:15px;color:#fff;
  }
  .mobile-cta .m-tel{background:var(--red);}
  .mobile-cta .m-est{background:var(--navy);}
}

/* ===== detail page styles ===== */
.detail-hero{background:linear-gradient(95deg,rgba(13,23,42,.9),rgba(29,53,87,.6)),url('images/hero1.jpg');background-size:cover;background-position:center;color:#fff;padding:60px 0 54px;}
.detail-hero .crumb{font-size:13px;color:rgba(255,255,255,.85);margin-bottom:16px;}
.detail-hero .crumb a{color:#ffd5d9;}
.detail-hero .tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);padding:6px 15px;border-radius:40px;font-size:13px;font-weight:500;margin-bottom:18px;}
.detail-hero .tag i{color:var(--red);}
.detail-hero h1{font-size:36px;font-weight:900;line-height:1.3;text-shadow:0 2px 14px rgba(0,0,0,.25);}
.detail-hero .lead{margin-top:16px;font-size:16px;color:#dbe3ee;max-width:680px;line-height:1.9;}
.detail-section{padding:64px 0;}
.detail-grid{display:grid;grid-template-columns:1fr 300px;gap:46px;align-items:start;}
.detail-main h2{font-size:25px;font-weight:900;color:var(--navy);line-height:1.4;margin:6px 0 18px;}
.detail-main h2::after{content:"";display:block;width:50px;height:4px;background:var(--red);border-radius:2px;margin-top:14px;}
.detail-main h3{font-size:19px;font-weight:900;color:var(--navy);margin:32px 0 14px;display:flex;align-items:center;gap:10px;}
.detail-main h3 i{color:var(--red);}
.detail-main p{font-size:14.5px;color:var(--text-l);line-height:1.95;margin-bottom:18px;}
.detail-fig{border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:6px 0 26px;}
.detail-fig img{width:100%;display:block;aspect-ratio:16/9;object-fit:cover;}
.detail-fig figcaption{padding:11px 18px;background:var(--bg-gray);font-size:12.5px;color:var(--text-l);}
.detail-points{list-style:none;margin:4px 0 22px;padding:0;}
.detail-points li{position:relative;padding:11px 0 11px 32px;font-size:14.5px;color:var(--text);border-bottom:1px solid var(--line);}
.detail-points li::before{content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--red);position:absolute;left:0;top:11px;}
.detail-steps{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:4px 0 22px;}
.detail-steps .dstep{background:var(--bg-gray);border:1px solid var(--line);border-radius:10px;padding:18px 20px;}
.detail-steps .dstep b{display:block;color:var(--red);font-size:12px;letter-spacing:.1em;margin-bottom:6px;}
.detail-steps .dstep p{font-size:13.5px;margin:0;line-height:1.75;color:var(--text-l);}
.note-band{background:#fff;border:1px dashed var(--line);border-radius:8px;padding:16px 20px;display:flex;gap:14px;align-items:flex-start;margin:8px 0 22px;}
.note-band i{font-size:20px;color:var(--red);margin-top:3px;flex-shrink:0;}
.note-band p{font-size:13.5px;color:var(--text-l);margin:0;line-height:1.8;}
.detail-side{position:sticky;top:96px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px 22px;margin-bottom:18px;}
.side-card h4{font-size:16px;font-weight:900;color:var(--navy);margin-bottom:14px;}
.side-menu a{display:flex;align-items:center;gap:10px;padding:11px 0;font-size:14px;color:var(--text);border-bottom:1px solid var(--line);transition:color .2s;}
.side-menu a:last-child{border-bottom:none;}
.side-menu a:hover{color:var(--red);}
.side-menu a i{color:var(--navy);font-size:13px;width:18px;text-align:center;}
.side-cta{background:linear-gradient(135deg,var(--navy),var(--navy-d));color:#fff;text-align:center;}
.side-cta h4{color:#fff;}
.side-cta p{font-size:13px;color:#cdd5e0;margin-bottom:14px;line-height:1.7;}
.side-cta .tel{font-size:23px;font-weight:900;display:block;margin-bottom:6px;color:#fff;}
.side-cta .tel i{color:#ffd5d9;}
.side-cta .hours{font-size:11.5px;color:#9fb0c4;}
.back-link{display:inline-flex;align-items:center;gap:9px;margin-top:28px;padding:14px 30px;background:var(--navy);color:#fff;border-radius:6px;font-weight:700;font-size:15px;transition:background .2s,transform .2s;}
.back-link:hover{background:var(--navy-d);transform:translateY(-1px);}
@media(max-width:880px){.detail-grid{grid-template-columns:1fr;gap:30px;}.detail-side{position:static;}.detail-hero h1{font-size:28px;}.detail-steps{grid-template-columns:1fr;}}