*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:16px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans JP",sans-serif;font-size:16px;line-height:1.8;word-break:auto-phrase;overflow-wrap:anywhere}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{line-height:1.45;margin:0;letter-spacing:.02em}
p{margin:0}
.nw{display:inline-block}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.note{font-size:14px;color:var(--ink-2);line-height:1.7}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.sample-band{background:var(--note-bg);color:var(--note-ink);font-size:14px;text-align:center;padding:6px 16px;line-height:1.6}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:48px;padding:0 20px;border-radius:6px;font-weight:700;font-size:16px;line-height:1.3;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit;text-align:center}
.btn-main{background:var(--accent);color:var(--accent-ink)}
.btn-main:hover{filter:brightness(.92)}
.btn-sub{background:var(--paper-2);color:var(--brand);border-color:var(--line-strong)}
.btn-line{background:var(--line-green);color:#fff}
.btn.btn-line,.cta-subs .btn.btn-line{font-size:17px;font-weight:700}
.btn small{font-weight:400;font-size:14px}
.site-header{background:var(--paper-2);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;gap:24px;min-height:68px}
.logo{display:flex;align-items:center;min-height:44px;text-decoration:none;font-size:22px;font-weight:700;color:var(--brand);letter-spacing:.06em}
.gnav{margin-left:auto}
.gnav ul{display:flex;gap:2px;list-style:none;margin:0;padding:0}
.gnav a{display:flex;align-items:center;min-height:44px;padding:0 12px;text-decoration:none;font-weight:700}
.gnav a:hover{color:var(--brand);text-decoration:underline}
.hd .btn{min-height:44px;padding:0 16px}
.gnav a[aria-current=page]{color:var(--brand);text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:2px}
.spnav{display:none;margin-left:auto;position:relative}
.spnav summary{list-style:none;cursor:pointer;display:flex;align-items:center;min-height:44px;padding:0 16px;border:2px solid var(--line-strong);border-radius:6px;font-weight:700;color:var(--brand)}
.spnav summary::-webkit-details-marker{display:none}
.spnav summary::after{content:"＋";margin-left:8px}
.spnav[open] summary::after{content:"−"}
.spnav nav{position:absolute;right:0;top:calc(100% + 8px);background:var(--paper-2);border:1px solid var(--line);border-radius:6px;box-shadow:0 6px 20px rgba(0,0,0,.12);min-width:220px;z-index:15}
.spnav ul{list-style:none;margin:0;padding:6px 0}
.spnav a{display:flex;align-items:center;min-height:48px;padding:0 20px;text-decoration:none;font-weight:700}
.spnav a[aria-current=page]{color:var(--brand);background:var(--paper)}
.pagehead{background:var(--paper-2);border-bottom:1px solid var(--line);padding:8px 0 36px}
.crumbs ol{display:flex;flex-wrap:wrap;list-style:none;margin:0 0 12px;padding:0;font-size:16px;color:var(--ink-2)}
.crumbs li{display:flex;align-items:center}
.crumbs li + li::before{content:"›";margin:0 8px;color:var(--ink-2)}
.crumbs a{display:inline-flex;align-items:center;min-height:44px;min-width:44px;color:var(--brand)}
.crumbs li[aria-current]{min-height:44px;display:flex;align-items:center}
.pagehead h1{font-size:36px}
.pagehead-intro{margin-top:10px;color:var(--ink-2);max-width:720px}
.more{margin-top:24px}
.more-link{display:inline-flex;align-items:center;min-height:44px;font-weight:700;color:var(--brand);text-underline-offset:4px}
.more-link::after{content:"→";margin-left:6px}
.hero{padding:48px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.eyebrow{font-size:15px;font-weight:700;color:var(--brand);border-left:4px solid var(--brand);padding-left:10px;margin-bottom:14px}
.hero h1{font-size:40px;margin-bottom:16px}
.lead{font-size:18px;color:var(--ink-2);margin-bottom:28px}
.cta{display:flex;flex-direction:column;gap:12px;max-width:480px}
.cta-main .btn{width:100%;min-height:60px;font-size:18px;flex-direction:column;gap:2px}
.cta-subs{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cta-subs .btn{min-height:48px;padding:0 10px;font-size:15px}
.photo{position:relative;aspect-ratio:4/3;background:repeating-linear-gradient(135deg,var(--frame-a) 0 14px,var(--frame-b) 14px 28px);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;text-align:center;color:var(--ink-2);font-size:14px;padding:16px;border-radius:4px}
.photo span{background:var(--paper-2);padding:8px 12px;border-radius:4px;line-height:1.6}
.photo.is-img{display:block;padding:0;background:var(--paper-2);overflow:hidden}
.photo.is-img img{display:block;width:100%;height:100%;object-fit:cover}
.facts{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.facts dl{display:grid;grid-template-columns:repeat(4,1fr);margin:0;padding:20px 0}
.facts dl>div{padding:4px 16px;border-left:1px solid var(--line)}
.facts dl>div:first-child{border-left:0;padding-left:0}
.facts dt{font-size:14px;color:var(--ink-2)}
.facts dd{margin:0;font-weight:700;font-size:16px}
.sec{padding:64px 0}
.sec + .sec{border-top:1px solid var(--line)}
.sec-alt{background:var(--paper-2)}
.sec-head{margin-bottom:28px;max-width:720px}
.sec-head h2{font-size:30px;margin-bottom:8px}
.sec-head h2::before{content:"";display:block;width:40px;height:4px;background:var(--brand);margin-bottom:14px}
.sec-head p{color:var(--ink-2)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.plan{background:var(--paper-2);border:1px solid var(--line);border-radius:6px;padding:24px;display:flex;flex-direction:column;gap:12px}
.sec-alt .plan{background:var(--paper)}
.plan h3{font-size:19px}
.plan .price{font-size:30px;font-weight:700;color:var(--brand);line-height:1.3}
.plan .price small{font-size:15px;font-weight:400;color:var(--ink-2);margin-left:4px}
.plan h4{margin:4px 0 0;font-size:15px;color:var(--ink-2)}
.plan ul{margin:0;padding-left:1.2em}
.plan li{margin:2px 0}
.price-note{margin-top:14px}
.estimate{margin-top:32px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.box{border:1px solid var(--line);border-radius:6px;padding:24px;background:var(--paper-2)}
.sec-alt .box{background:var(--paper)}
.box h3{font-size:19px;margin-bottom:10px}
.box ul{margin:0;padding-left:1.2em}
.box p + p{margin-top:6px}
.points{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.points li{border-top:4px solid var(--brand);background:var(--paper-2);padding:20px 22px 24px;border-radius:0 0 6px 6px}
.sec-alt .points li{background:var(--paper)}
.points .num{font-size:14px;font-weight:700;color:var(--brand)}
.points h3{font-size:19px;margin:4px 0 8px}
.points p{color:var(--ink-2)}
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;list-style:none;margin:0;padding:0}
.work{background:var(--paper-2);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.work .photo{border:0;border-radius:0;aspect-ratio:16/10}
.work-body{padding:16px 18px 20px}
.work .place{font-size:14px;color:var(--ink-2)}
.work h3{font-size:18px;margin:2px 0 8px}
.work dl{display:grid;grid-template-columns:auto 1fr;gap:2px 12px;margin:0;font-size:15px}
.work dt{color:var(--ink-2)}
.work dd{margin:0}
.work .more-link{margin-top:8px}
.works-note{margin-top:14px}
.spec{max-width:820px}
.spec th{width:10em}
.spec-note{margin-top:12px}
.ba-placeholder{margin-bottom:20px;padding:12px 16px;border:1px dashed var(--line-strong);border-radius:4px;background:var(--paper);font-weight:700}
.ba-list{display:grid;gap:32px}
.ba h3{font-size:19px;margin-bottom:12px}
.ba-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ba figure{margin:0}
.ba figcaption{margin-top:6px;font-weight:700}
.steps{max-width:820px;margin-bottom:0}
.steps .time{display:inline-block;font-style:normal;font-size:16px;font-weight:700;color:var(--brand);background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:0 8px;margin:2px 0 4px}
.sec-alt .steps .time{background:var(--paper)}
.steps span{display:block}
.crew{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.crew>li{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:20px}
.crew h3{font-size:18px;margin-bottom:6px}
.crew ul{margin:0;padding-left:1.2em}
.crew-text{margin-top:20px}
.photos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.photos .photo:first-child{grid-column:1 / -1}
.sec-cta{background:var(--paper-2)}
.cta-box{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.cta-box h2{font-size:28px;margin-bottom:10px}
.cta-box p{color:var(--ink-2)}
.cta-box .cta{max-width:none}
.form-notice{margin-bottom:20px;padding:12px;border-radius:4px;background:var(--note-bg);color:var(--note-ink);font-size:16px}
.after{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.company{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:40px;align-items:start}
.company .photo{aspect-ratio:4/3}
.company-text{margin:20px 0 0}
.company-text p + p{margin-top:8px}
.table{width:100%;border-collapse:collapse;background:var(--paper-2)}
.table th,.table td{border-bottom:1px solid var(--line);padding:12px 8px;text-align:left;vertical-align:top}
.table th{width:9em;color:var(--ink-2);font-weight:400;white-space:nowrap}
.chips{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0 0 14px;padding:0}
.chips li{background:var(--paper-2);border:1px solid var(--line-strong);border-radius:999px;padding:6px 18px;font-weight:700}
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;gap:12px;align-items:flex-start;padding:16px 4px;min-height:44px;font-weight:700}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";color:var(--brand);font-weight:700;flex:none}
.faq summary::after{content:"＋";margin-left:auto;color:var(--brand);flex:none}
.faq details[open] summary::after{content:"−"}
.faq .ans{padding:0 4px 18px 28px}
.faq .ans p + p{margin-top:6px}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:start}
.flow{list-style:none;margin:0 0 24px;padding:0;counter-reset:f}
.flow li{counter-increment:f;position:relative;padding:0 0 18px 48px}
.flow li::before{content:counter(f);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:var(--brand);color:var(--brand-ink);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:16px}
.flow li:not(:last-child)::after{content:"";position:absolute;left:15px;top:36px;bottom:4px;width:2px;background:var(--line)}
.flow b{display:block}
.flow span{color:var(--ink-2)}
.others h3{font-size:17px;margin-bottom:10px}
.others .cta-subs{max-width:420px}
.others-hours{margin-top:8px}
.toast{position:fixed;left:50%;bottom:104px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:6px;font-size:15px;z-index:20;max-width:calc(100% - 32px)}
.toast[hidden]{display:none}
.form{background:var(--paper-2);border:1px solid var(--line);border-radius:6px;padding:28px}
.field{margin-bottom:18px}
.field label,.field .label{display:block;font-weight:700;margin-bottom:6px}
.req,.opt{display:inline-block;font-size:14px;font-weight:700;padding:0 8px;border-radius:3px;margin-left:8px;line-height:1.7}
.req{background:var(--accent);color:var(--accent-ink)}
.opt{background:var(--paper);color:var(--ink-2);border:1px solid var(--line)}
.field input[type=text],.field textarea{width:100%;font:inherit;font-size:16px;padding:10px 12px;border:1px solid var(--line-strong);border-radius:4px;background:#fff;color:var(--ink)}
.field textarea{min-height:140px;resize:vertical}
.field input[type=file]{font:inherit;font-size:16px;min-height:44px}
.field .note{margin-top:4px}
.form .btn-main{width:100%;min-height:60px;font-size:18px;flex-direction:column;gap:2px}
.form-msg{margin-top:12px;padding:12px;border-radius:4px;background:var(--note-bg);color:var(--note-ink)}
.form-msg[hidden]{display:none}
.site-footer{background:var(--brand);color:var(--brand-ink);padding:32px 0}
.fnav ul{display:flex;flex-wrap:wrap;gap:0 8px;list-style:none;margin:0 0 16px;padding:0 0 12px;border-bottom:1px solid rgba(255,255,255,.3)}
.fnav a{display:flex;align-items:center;min-height:44px;padding:0 8px;color:var(--brand-ink);font-weight:700}
.flines{display:flex;flex-wrap:wrap;gap:8px 32px;align-items:baseline}
.site-footer b{font-size:18px}
.sp-bar{display:none}
@media (max-width:960px){
  .gnav,.hd .btn{display:none}
  .spnav{display:block}
  .hero-grid,.company,.contact-grid,.cta-box{grid-template-columns:minmax(0,1fr);gap:28px}
  .crew{grid-template-columns:1fr 1fr}
  .plans,.points,.works{grid-template-columns:1fr 1fr}
  .estimate,.after{grid-template-columns:1fr}
  .facts dl{grid-template-columns:1fr 1fr;gap:12px 0}
  .facts dl>div:nth-child(3){border-left:0;padding-left:0}
}
@media (max-width:640px){
  body{padding-bottom:88px}
  .hd{min-height:56px}
  .logo{font-size:20px}
  .hero{padding:16px 0 32px}
  .hero-grid{gap:16px}
  .hero .photo{order:-1;aspect-ratio:16/9}
  .eyebrow{font-size:16px;margin-bottom:8px}
  .hero h1{font-size:28px;margin-bottom:10px}
  .lead{font-size:16px;margin-bottom:20px}
  .facts dt{font-size:14px}
  .cta-subs .btn,.plan h4,.work dl,.work .place,.btn small{font-size:16px}
  .sec{padding:48px 0}
  .sec-head h2{font-size:24px}
  .plans,.points,.works{grid-template-columns:1fr}
  .plan,.box{padding:20px}
  .form{padding:20px 16px}
  .table th{width:7em;white-space:normal}
  .pagehead{padding-bottom:28px}
  .pagehead h1{font-size:28px}
  .cta-box h2{font-size:24px}
  .ba-row{gap:8px}
  .crew{grid-template-columns:1fr}
  .sp-bar{display:grid;grid-template-columns:2fr 1fr 1fr;position:fixed;left:0;right:0;bottom:0;background:var(--paper-2);border-top:1px solid var(--line);box-shadow:0 -2px 8px rgba(0,0,0,.08);padding:8px 8px calc(8px + env(safe-area-inset-bottom));gap:8px;z-index:10}
  .sp-bar .btn{min-height:56px;padding:0 4px;font-size:16px}
  .cta-subs .btn.btn-line{font-size:17px}
  .sp-bar .btn.btn-line{font-size:19px}
  
  .sp-bar{transition:transform .2s ease,visibility .2s}
  .sp-bar.is-hidden{transform:translateY(110%);visibility:hidden}
}
@media (max-width:640px) and (prefers-reduced-motion:reduce){.sp-bar{transition:none}}