:root{
  --ink:#1f3a3d;
  --teal:#1f8a8a;
  --teal-d:#16686a;
  --teal-l:#5cb5b3;
  --orange:#f08a3c;
  --orange-d:#e0742a;
  --sky:#eaf6f6;
  --sky2:#f4fbfb;
  --gray:#5f7375;
  --line:#d7e8e8;
  --display:'Zen Maru Gothic',sans-serif;
  --sans:'Zen Kaku Gothic New',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);line-height:1.9;background:#fff;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{max-width:1120px;margin:0 auto;padding:0 26px}

header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
header.scrolled{box-shadow:0 4px 20px rgba(31,138,138,.1)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;font-size:1.35rem;color:var(--teal-d);letter-spacing:.02em}
.logo .mark{width:38px;height:38px;background:linear-gradient(135deg,var(--teal),var(--teal-l));border-radius:11px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem;box-shadow:0 4px 12px rgba(31,138,138,.3)}
.logo small{display:block;font-family:var(--sans);font-size:.56rem;letter-spacing:.24em;color:var(--gray);font-weight:500;margin-top:1px}
.menu{display:flex;align-items:center;gap:30px;list-style:none;font-size:.9rem;font-weight:500}
.menu a{position:relative;padding:4px 0;color:var(--ink);transition:color .2s}
.menu a::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;background:var(--orange);transition:width .3s}
.menu a:hover{color:var(--teal-d)}
.menu a:hover::after{width:100%}
.nav-cta{background:var(--orange);color:#fff !important;padding:11px 24px;border-radius:30px;font-size:.86rem;font-weight:700;transition:all .25s;box-shadow:0 4px 14px rgba(240,138,60,.32)}
.nav-cta::after{display:none !important}
.nav-cta:hover{background:var(--orange-d);transform:translateY(-2px)}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;z-index:120}
.burger span{width:26px;height:3px;background:var(--teal-d);border-radius:3px;transition:transform .3s,opacity .2s}

section{padding:104px 0}
.eyebrow{display:inline-block;font-size:.8rem;letter-spacing:.2em;color:var(--orange);font-weight:700;margin-bottom:12px}
.sec-title{font-family:var(--display);font-size:clamp(1.9rem,4vw,2.6rem);font-weight:700;color:var(--ink);line-height:1.5}
.sec-title .ac{color:var(--teal)}
.sec-head{margin-bottom:56px}
.sec-head.center{text-align:center}
.lead{margin-top:18px;color:var(--gray);font-size:1.02rem;line-height:2.1}

.btn{display:inline-flex;align-items:center;gap:12px;padding:16px 38px;border-radius:34px;font-weight:700;font-size:.96rem;transition:all .3s;font-family:var(--display)}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 8px 22px rgba(240,138,60,.32)}
.btn-orange:hover{background:var(--orange-d);transform:translateY(-3px);box-shadow:0 12px 28px rgba(240,138,60,.42)}
.btn-teal{background:var(--teal);color:#fff;box-shadow:0 8px 22px rgba(31,138,138,.28)}
.btn-teal:hover{background:var(--teal-d);transform:translateY(-3px)}
.btn-white{background:#fff;color:var(--teal-d)}
.btn-white:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.12)}
.btn-line{border:2px solid var(--teal);color:var(--teal-d)}
.btn-line:hover{background:var(--teal);color:#fff}

/* page hero */
.page-hero{position:relative;padding:160px 0 76px;background:linear-gradient(135deg,var(--teal) 0%,var(--teal-l) 100%);overflow:hidden;text-align:center;color:#fff}
.page-hero::before{content:"";position:absolute;top:-60px;right:-40px;width:280px;height:280px;background:rgba(255,255,255,.1);border-radius:50%}
.page-hero::after{content:"";position:absolute;bottom:-80px;left:-50px;width:240px;height:240px;background:rgba(240,138,60,.18);border-radius:50%}
.page-hero .container{position:relative;z-index:2}
.page-hero .eyebrow{color:#fff;opacity:.85}
.page-hero h1{font-family:var(--display);font-size:clamp(2rem,5vw,2.9rem);font-weight:700;margin-bottom:14px}
.breadcrumb{font-size:.82rem;color:rgba(255,255,255,.85)}
.breadcrumb a:hover{text-decoration:underline}

/* CTA */
.cta{position:relative;text-align:center;background:linear-gradient(135deg,var(--teal-d),var(--teal));overflow:hidden;color:#fff}
.cta::before{content:"";position:absolute;top:-70px;left:-40px;width:260px;height:260px;background:rgba(255,255,255,.08);border-radius:50%}
.cta::after{content:"";position:absolute;bottom:-90px;right:-30px;width:300px;height:300px;background:rgba(240,138,60,.16);border-radius:50%}
.cta .container{position:relative;z-index:2}
.cta h2{font-family:var(--display);font-size:clamp(1.8rem,4vw,2.5rem);font-weight:700;margin-bottom:18px;line-height:1.5}
.cta p{color:rgba(255,255,255,.9);margin-bottom:38px;font-size:1.02rem}

footer{background:var(--ink);color:rgba(255,255,255,.6);padding:72px 0 30px;font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:44px;margin-bottom:50px}
.foot-logo{font-family:var(--display);font-size:1.4rem;color:#fff;margin-bottom:16px;font-weight:700}
.foot-desc{line-height:2;font-size:.86rem}
.foot-col h5{color:#fff;font-size:.92rem;margin-bottom:18px;font-family:var(--display)}
.foot-col ul{list-style:none}
.foot-col li{margin-bottom:12px}
.foot-col a{color:rgba(255,255,255,.6);transition:color .2s}
.foot-col a:hover{color:var(--teal-l)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:24px;text-align:center;font-size:.78rem;color:rgba(255,255,255,.4)}
.demo-bar{background:var(--teal-d);color:#fff;text-align:center;padding:10px;font-size:.8rem;letter-spacing:.04em}
.demo-bar strong{color:#ffd9b3}

.reveal{opacity:0;transform:translateY(32px);transition:all .9s cubic-bezier(.2,.8,.2,1)}
.reveal.show{opacity:1;transform:none}

/* ===== トップページ ===== */
.hero{position:relative;padding:150px 0 100px;overflow:hidden;background:linear-gradient(160deg,var(--sky) 0%,#fff 60%)}
.hero::before{content:"";position:absolute;top:-100px;right:-80px;width:440px;height:440px;background:radial-gradient(var(--teal-l),transparent 68%);opacity:.25;border-radius:50%}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--teal-d);font-size:.82rem;font-weight:700;padding:8px 20px;border-radius:24px;margin-bottom:24px;box-shadow:0 4px 14px rgba(31,138,138,.12)}
.hero h1{font-family:var(--display);font-size:clamp(2.3rem,5.5vw,3.7rem);font-weight:700;line-height:1.4;color:var(--ink)}
.hero h1 .ac{color:var(--teal);position:relative}
.hero h1 .mark-line{background:linear-gradient(transparent 60%,rgba(240,138,60,.3) 60%)}
.hero p{margin-top:24px;font-size:1.06rem;color:var(--gray);line-height:2.1;max-width:480px}
.hero-btns{margin-top:38px;display:flex;gap:16px;flex-wrap:wrap}
.hero-visual{position:relative}

/* Before/After slider（見せ場） */
.ba-slider{position:relative;width:100%;aspect-ratio:4/3;border-radius:16px;overflow:hidden;box-shadow:0 24px 56px rgba(31,138,138,.2);user-select:none;cursor:ew-resize}
.ba-slider .ba-after,.ba-slider .ba-before{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba-slider .ba-before-wrap{position:absolute;inset:0;width:50%;overflow:hidden;border-right:3px solid #fff}
.ba-slider .ba-before-wrap img{width:100vw;max-width:none;height:100%;object-fit:cover}
.ba-handle{position:absolute;top:0;bottom:0;left:50%;width:3px;background:#fff;transform:translateX(-50%);pointer-events:none;z-index:3}
.ba-handle .knob{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:46px;height:46px;background:#fff;border-radius:50%;box-shadow:0 4px 14px rgba(0,0,0,.25);display:flex;align-items:center;justify-content:center;color:var(--teal-d);font-size:1.1rem;font-weight:700}
.ba-label{position:absolute;top:16px;z-index:4;font-size:.76rem;font-weight:700;padding:5px 14px;border-radius:20px;color:#fff;letter-spacing:.05em}
.ba-label.before{left:16px;background:rgba(31,58,61,.75)}
.ba-label.after{right:16px;background:var(--orange)}

/* trust row */
.trust{background:var(--sky);padding:54px 0}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.trust .n{font-family:var(--display);font-size:2.6rem;color:var(--teal);font-weight:700;line-height:1}
.trust .n small{font-size:1.1rem}
.trust .l{margin-top:8px;font-size:.86rem;color:var(--gray)}

/* menu/services cards */
.svc-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.svc-card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 10px 30px rgba(31,138,138,.1);transition:all .35s}
.svc-card:hover{transform:translateY(-8px);box-shadow:0 22px 48px rgba(31,138,138,.18)}
.svc-card .imgwrap{aspect-ratio:16/10;overflow:hidden}
.svc-card img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.svc-card:hover img{transform:scale(1.07)}
.svc-card .body{padding:26px 26px 30px}
.svc-card h3{font-family:var(--display);font-size:1.25rem;color:var(--ink);margin-bottom:10px;font-weight:700}
.svc-card p{font-size:.9rem;color:var(--gray);margin-bottom:14px}
.svc-card .price{font-size:.86rem;color:var(--teal-d);font-weight:700;background:var(--sky);display:inline-block;padding:5px 14px;border-radius:8px}

/* price table */
.price-table{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.price-card{background:#fff;border:2px solid var(--line);border-radius:16px;padding:36px 30px;text-align:center;transition:all .3s}
.price-card:hover{border-color:var(--teal-l);transform:translateY(-6px);box-shadow:0 16px 36px rgba(31,138,138,.14)}
.price-card .ttl{font-family:var(--display);font-size:1.2rem;color:var(--ink);font-weight:700;margin-bottom:10px}
.price-card .from{font-size:.8rem;color:var(--gray)}
.price-card .amount{font-family:var(--display);font-size:2.4rem;color:var(--teal);font-weight:700;line-height:1.2;margin:6px 0}
.price-card .amount small{font-size:1rem}
.price-card .desc{font-size:.86rem;color:var(--gray);margin-top:14px;line-height:1.8}
.price-note{text-align:center;margin-top:30px;font-size:.86rem;color:var(--gray)}

/* flow */
.flow-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.flow-step{text-align:center;background:#fff;border-radius:14px;padding:30px 18px;box-shadow:0 8px 22px rgba(31,138,138,.08);position:relative}
.flow-step .circle{width:54px;height:54px;margin:0 auto 14px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--teal-l));color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-size:1.3rem;font-weight:700}
.flow-step h4{font-family:var(--display);font-size:1rem;color:var(--ink);margin-bottom:8px}
.flow-step p{font-size:.8rem;color:var(--gray)}

/* faq */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden}
.faq-q{padding:22px 26px;font-family:var(--display);font-weight:700;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:1rem}
.faq-q::before{content:"Q";color:var(--teal);font-family:var(--display);margin-right:12px}
.faq-toggle{width:28px;height:28px;border-radius:50%;background:var(--sky);color:var(--teal-d);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .3s;font-size:1.1rem}
.faq-item.active .faq-toggle{transform:rotate(45deg);background:var(--teal);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--gray);font-size:.92rem}
.faq-item.active .faq-a{max-height:300px}
.faq-a .inner{padding:0 26px 24px;line-height:1.9}

/* voice */
.voice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.voice-card{background:#fff;border-radius:14px;padding:32px;box-shadow:0 8px 24px rgba(31,138,138,.08)}
.voice-card .stars{color:var(--orange);font-size:1rem;margin-bottom:14px;letter-spacing:2px}
.voice-card p{color:var(--ink);font-size:.95rem;line-height:1.9;margin-bottom:18px}
.voice-card .who{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:16px}
.voice-card .av{width:44px;height:44px;border-radius:50%;background:var(--sky);display:flex;align-items:center;justify-content:center;font-family:var(--display);color:var(--teal-d);font-weight:700}
.voice-card .name{font-weight:700;font-size:.86rem}
.voice-card .sub{color:var(--gray);font-size:.76rem}

/* gallery (works = before/after grid) */
.filter-bar{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:50px}
.filter-bar button{border:2px solid var(--line);background:#fff;padding:9px 24px;border-radius:30px;font-family:var(--display);font-size:.88rem;color:var(--gray);cursor:pointer;transition:all .25s}
.filter-bar button.active,.filter-bar button:hover{background:var(--teal);color:#fff;border-color:var(--teal)}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.ba-card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 10px 30px rgba(31,138,138,.1);transition:all .35s}
.ba-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(31,138,138,.16)}
.ba-card .compare{display:grid;grid-template-columns:1fr 1fr;position:relative}
.ba-card .compare>div{position:relative;aspect-ratio:1/1;overflow:hidden}
.ba-card .compare img{width:100%;height:100%;object-fit:cover}
.ba-card .compare .tag{position:absolute;top:12px;left:12px;font-size:.7rem;font-weight:700;color:#fff;padding:3px 12px;border-radius:14px}
.ba-card .compare .before .tag{background:rgba(31,58,61,.7)}
.ba-card .compare .after .tag{background:var(--orange);left:auto;right:12px}
.ba-card .body{padding:22px 24px 26px}
.ba-card .cat{font-size:.74rem;color:var(--teal);font-weight:700;margin-bottom:8px;display:block}
.ba-card h4{font-family:var(--display);font-size:1.15rem;color:var(--ink);margin-bottom:6px;font-weight:700}
.ba-card .meta{font-size:.8rem;color:var(--gray)}

/* company / access / contact shared */
.profile-table{width:100%;border-collapse:collapse;border-top:1px solid var(--line)}
.profile-table th,.profile-table td{text-align:left;padding:22px 8px;border-bottom:1px solid var(--line);font-size:.94rem;vertical-align:top}
.profile-table th{width:26%;color:var(--teal-d);font-family:var(--display);font-weight:700}
.history-list{list-style:none;border-top:1px solid var(--line)}
.history-list li{display:grid;grid-template-columns:120px 1fr;gap:26px;padding:22px 8px;border-bottom:1px solid var(--line)}
.history-list .year{font-family:var(--display);color:var(--teal);font-weight:700}
.philo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.philo{text-align:center;background:#fff;border-radius:14px;padding:38px 28px;box-shadow:0 8px 24px rgba(31,138,138,.08)}
.philo .ic{font-size:2.6rem;margin-bottom:16px}
.philo h4{font-family:var(--display);font-size:1.25rem;color:var(--ink);margin-bottom:12px;font-weight:700}
.philo p{font-size:.9rem;color:var(--gray);line-height:2}
.rec-hero{width:100%;border-radius:16px;margin-bottom:54px;aspect-ratio:21/9;object-fit:cover;box-shadow:0 18px 44px rgba(31,138,138,.16)}
.msg{max-width:720px;margin:0 auto 70px;text-align:center}
.msg h3{font-family:var(--display);font-size:1.7rem;color:var(--ink);line-height:1.6;margin-bottom:24px;font-weight:700}
.msg p{color:var(--gray);margin-bottom:16px;line-height:2.1}
.job-table{width:100%;border-collapse:collapse;border-top:1px solid var(--line)}
.job-table th,.job-table td{text-align:left;padding:22px 8px;border-bottom:1px solid var(--line);font-size:.94rem;vertical-align:top}
.job-table th{width:26%;color:var(--teal-d);font-family:var(--display);font-weight:700}
.map-frame{width:100%;height:420px;border:0;border-radius:16px;box-shadow:0 14px 36px rgba(31,138,138,.14)}
.access-info{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin-top:54px;align-items:start}
.access-info h3{font-family:var(--display);color:var(--ink);font-size:1.3rem;margin-bottom:20px;font-weight:700}
.access-list{list-style:none}
.access-list li{display:grid;grid-template-columns:100px 1fr;padding:15px 0;border-bottom:1px solid var(--line);font-size:.92rem}
.access-list .lbl{color:var(--teal);font-weight:700}
.contact-wrap{display:grid;grid-template-columns:1fr 1.3fr;gap:60px;align-items:start}
.contact-aside h3{font-family:var(--display);color:var(--ink);font-size:1.4rem;margin-bottom:18px;font-weight:700}
.contact-aside p{color:var(--gray);margin-bottom:28px;font-size:.94rem;line-height:2.1}
.tel-box{background:var(--sky);border-radius:14px;padding:32px;text-align:center}
.tel-box .lbl{font-size:.8rem;color:var(--gray)}
.tel-box .num{font-family:var(--display);font-size:2rem;color:var(--teal-d);font-weight:700;margin:6px 0}
.tel-box .hours{font-size:.8rem;color:var(--gray)}
.form-field{margin-bottom:24px}
.form-field label{display:block;font-size:.9rem;font-weight:700;color:var(--ink);margin-bottom:8px;font-family:var(--display)}
.form-field label .req{color:#fff;background:var(--orange);font-size:.68rem;padding:2px 8px;border-radius:10px;margin-left:8px}
.form-field input,.form-field textarea,.form-field select{width:100%;padding:14px 18px;border:2px solid var(--line);border-radius:10px;font-family:var(--sans);font-size:.95rem;background:#fff;transition:border .2s}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{outline:none;border-color:var(--teal)}
.form-submit{background:var(--orange);color:#fff;border:none;padding:18px 50px;border-radius:34px;font-family:var(--display);font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s;width:100%;box-shadow:0 8px 22px rgba(240,138,60,.32)}
.form-submit:hover{background:var(--orange-d);transform:translateY(-2px)}
.form-note{font-size:.8rem;color:var(--gray);margin-top:16px;text-align:center}

@media(max-width:880px){
  .nav{height:62px}
  .logo{font-size:1.15rem}
  .burger{display:flex}
  .menu{
    position:fixed;top:62px;left:0;right:0;
    height:calc(100vh - 62px);
    flex-direction:column;gap:0;align-items:stretch;
    background:linear-gradient(165deg,var(--ink) 0%,#16686a 70%,var(--teal) 100%);
    padding:8px 0 24px;overflow-y:auto;
    z-index:250;pointer-events:auto;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .35s,visibility .35s,transform .35s;
  }
  header.nav-open .menu{opacity:1;visibility:visible;transform:none}
  .menu li{width:100%;opacity:0;transform:translateY(-6px);transition:opacity .3s,transform .3s}
  header.nav-open .menu li{opacity:1;transform:none}
  header.nav-open .menu li:nth-child(1){transition-delay:.06s}
  header.nav-open .menu li:nth-child(2){transition-delay:.1s}
  header.nav-open .menu li:nth-child(3){transition-delay:.14s}
  header.nav-open .menu li:nth-child(4){transition-delay:.18s}
  header.nav-open .menu li:nth-child(5){transition-delay:.22s}
  header.nav-open .menu li:nth-child(6){transition-delay:.26s}
  header.nav-open .menu li:nth-child(7){transition-delay:.3s}
  .menu a{display:flex;align-items:center;justify-content:space-between;padding:18px 28px;font-size:1.06rem;font-weight:500;color:rgba(255,255,255,.9);border-bottom:1px solid rgba(255,255,255,.12);position:relative;z-index:2}
  .menu a::after{content:"\203A";position:static;width:auto;height:auto;background:none;color:#ffd9b3;font-size:1.3rem;opacity:.8}
  .menu a:hover,.menu a:active{color:#ffd9b3;background:rgba(255,255,255,.05)}
  .menu a:last-child{border-bottom:none}
  .nav-cta{display:flex;justify-content:center;margin:18px 28px 4px;background:var(--orange);color:#fff !important;border-radius:30px;padding:16px;font-weight:700}
  .nav-cta::after{display:none}
  header.nav-open .burger span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  header.nav-open .burger span:nth-child(2){opacity:0}
  header.nav-open .burger span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

  section{padding:64px 0}
  .hero{padding:120px 0 70px}
  .hero-grid,.contact-wrap,.access-info{grid-template-columns:1fr;gap:40px}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:30px 16px}
  .svc-cards,.price-table,.voice-grid,.gallery,.philo-grid{grid-template-columns:1fr}
  .flow-steps{grid-template-columns:1fr 1fr;gap:14px}
  .foot-grid{grid-template-columns:1fr;gap:36px}
}