/* =========================================================
   Nthree.design 職人サイト マスターテンプレ 共通スタイル
   色は :root の変数を変えれば全ページ一括で変わる
   ========================================================= */
:root{
  --green:#3f7a4f;
  --green-dark:#2f5d3c;
  --ink:#2b2b2b;
  --muted:#63665f;
  --bg:#fbfaf6;
  --card:#ffffff;
  --line:#e5e3da;
  --accent:#c8a97e;      /* 木のアクセント色。業種で変える（電気=青系など） */
  --maxw:1080px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans JP",-apple-system,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:"Zen Kaku Gothic New","Noto Sans JP",sans-serif;line-height:1.4;letter-spacing:.02em}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;transition:transform .15s ease}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 6px 18px rgba(63,122,79,.28)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--green-dark);border:1.5px solid var(--green)}
.btn-tel{background:#fff;color:var(--ink);border:1.5px solid var(--line);font-size:14px}

/* ---------- top bar ---------- */
.topbar{background:var(--green-dark);color:#fff;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topbar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(251,250,246,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;font-size:20px;display:flex;align-items:center;gap:8px}
.logo .mark{width:26px;height:26px;border-radius:7px;background:var(--green);display:inline-block;position:relative}
.logo .mark::after{content:"";position:absolute;inset:7px;border:2px solid #fff;border-bottom:none;border-right:none;transform:rotate(45deg)}
nav.main{display:flex;gap:24px;font-size:14px;font-weight:500}
nav.main a:hover,nav.main a.current{color:var(--green)}
.header-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--ink)}

/* ---------- hero (top page) ---------- */
.hero{padding:56px 0 64px}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.hero h1{font-size:38px;margin-bottom:18px}
.hero h1 .accent{color:var(--green)}
.hero p.lead{font-size:16px;color:var(--muted);margin-bottom:26px}
.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.hero .area{font-size:13px;color:var(--muted);border-top:1px dashed var(--line);padding-top:14px}
.hero-photo{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:4/3;box-shadow:0 20px 50px rgba(0,0,0,.10)}

/* ---------- page hero (sub pages) ---------- */
.page-hero{background:#fff;border-bottom:1px solid var(--line);padding:40px 0}
.page-hero .en{display:block;font-size:12px;letter-spacing:.22em;color:var(--green);font-weight:700;margin-bottom:6px}
.page-hero h1{font-size:28px}
.page-hero p{color:var(--muted);font-size:14px;margin-top:10px;max-width:640px}
.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:14px}
.breadcrumb a:hover{color:var(--green)}

/* photo placeholder */
.ph{background:linear-gradient(135deg,#eef1ea,#e3e8de);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:#8a9384;font-size:13px;font-weight:500;text-align:center;height:100%;width:100%;padding:16px}
.ph svg{width:34px;height:34px;opacity:.55}
.ph small{font-size:11px;opacity:.8}

/* ---------- section base ---------- */
section{padding:64px 0}
.sec-head{text-align:center;margin-bottom:40px}
.sec-head .en{display:block;font-size:12px;letter-spacing:.22em;color:var(--green);font-weight:700;margin-bottom:8px}
.sec-head h2{font-size:27px}
.sec-head p{color:var(--muted);font-size:14px;margin-top:10px}
.tinted{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* reasons */
.reason-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.reason{padding:28px 22px;border:1px solid var(--line);border-radius:14px;background:var(--bg)}
.reason .num{font-family:"Zen Kaku Gothic New";font-size:13px;font-weight:700;color:#fff;background:var(--green);width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.reason h3{font-size:17px;margin-bottom:8px}
.reason p{font-size:14px;color:var(--muted)}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.svc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}
.svc h3{font-size:17px;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.svc h3::before{content:"";width:8px;height:8px;background:var(--accent);border-radius:2px;transform:rotate(45deg)}
.svc p{font-size:14px;color:var(--muted);margin-bottom:12px}
.svc .price{font-size:13px;color:var(--ink);background:#f2f5ef;border-radius:8px;padding:8px 12px;display:inline-block}

/* service detail (service.html) */
.svc-detail{border:1px solid var(--line);border-radius:14px;background:#fff;padding:28px;margin-bottom:20px}
.svc-detail h3{font-size:19px;margin-bottom:10px}
.svc-detail p{font-size:14.5px;color:var(--muted);margin-bottom:14px}
.svc-detail .price{font-size:13px;background:#f2f5ef;border-radius:8px;padding:10px 14px;display:inline-block}

/* process steps */
.steps{counter-reset:step;max-width:720px;margin:0 auto}
.steps li{list-style:none;position:relative;padding:0 0 22px 52px;border-left:2px solid var(--line);margin-left:16px}
.steps li:last-child{border-left-color:transparent}
.steps li::before{counter-increment:step;content:counter(step);position:absolute;left:-16px;top:-2px;width:32px;height:32px;background:var(--green);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.steps h4{font-size:16px;margin-bottom:4px}
.steps p{font-size:13.5px;color:var(--muted)}

/* works */
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.work{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--bg)}
.work .thumb{aspect-ratio:4/3}
.work .body{padding:18px}
.work h3{font-size:15px;margin-bottom:8px}
.work .meta{font-size:12px;color:var(--green-dark);font-weight:700;margin-bottom:8px}
.work p{font-size:13px;color:var(--muted)}

/* work detail (works.html) */
.work-detail{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start;border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden;margin-bottom:24px}
.work-detail .thumb{aspect-ratio:4/3;height:100%}
.work-detail .body{padding:26px}
.work-detail .meta{font-size:12px;color:var(--green-dark);font-weight:700;margin-bottom:8px}
.work-detail h3{font-size:19px;margin-bottom:12px}
.work-detail dl{font-size:14px}
.work-detail dt{font-weight:700;color:var(--ink);margin-top:10px}
.work-detail dd{color:var(--muted)}

/* voices */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.voice{padding:24px;border-radius:14px;background:#fff;border:1px solid var(--line)}
.voice p{font-size:14px;color:var(--ink);margin-bottom:12px}
.voice .who{font-size:12px;color:var(--muted)}
.voice::before{content:"\201C";font-family:Georgia,serif;font-size:44px;color:var(--accent);line-height:.6;display:block;margin-bottom:6px}

/* about */
.about{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.about-photo{border-radius:16px;overflow:hidden;aspect-ratio:5/4}
.info-table{width:100%;border-collapse:collapse;font-size:14px}
.info-table th,.info-table td{text-align:left;padding:11px 4px;border-bottom:1px solid var(--line);vertical-align:top}
.info-table th{width:34%;color:var(--muted);font-weight:500}
.about h2{font-size:24px;margin-bottom:6px}
.about .greet{font-size:14px;color:var(--muted);margin-bottom:20px;white-space:pre-line}
.map-embed{border-radius:14px;overflow:hidden;aspect-ratio:16/9;margin-top:24px}

/* contact form */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:start}
.contact-info .big-tel{font-family:"Zen Kaku Gothic New";font-size:30px;font-weight:700;color:var(--green-dark);margin:6px 0}
.contact-info p{font-size:14px;color:var(--muted);margin-bottom:16px}
form.inquiry{display:flex;flex-direction:column;gap:14px}
form.inquiry label{font-size:13px;font-weight:700}
form.inquiry .req{color:#c0392b;font-size:11px;margin-left:4px}
form.inquiry input,form.inquiry textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-family:inherit;font-size:15px;background:#fff}
form.inquiry textarea{min-height:130px;resize:vertical}
form.inquiry button{align-self:flex-start;margin-top:6px}
.form-note{font-size:12px;color:var(--muted)}

/* cta band */
.cta-band{background:var(--green);color:#fff;text-align:center}
.cta-band h2{font-size:25px;margin-bottom:12px}
.cta-band p{font-size:14px;opacity:.92;margin-bottom:24px}
.cta-band .btn-primary{background:#fff;color:var(--green-dark);box-shadow:none}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.cta-band .cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* footer */
footer{background:#26281f;color:#c9cbc0;font-size:13px;padding:44px 0 24px}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;margin-bottom:28px}
footer .logo{color:#fff;margin-bottom:12px;font-family:"Zen Kaku Gothic New";font-weight:700;font-size:18px}
footer p{color:#9a9d90;line-height:1.9}
footer h4{color:#fff;font-size:13px;margin-bottom:10px;font-weight:700}
footer ul{list-style:none}
footer li{margin-bottom:7px}
footer li a:hover{color:#fff}
footer .base{border-top:1px solid #3a3d31;padding-top:16px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;color:#7f8175;font-size:12px}

/* ---------- responsive ---------- */
@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr;gap:28px}
  .hero{padding:36px 0 44px}
  .hero h1{font-size:29px}
  .reason-grid,.work-grid,.voice-grid{grid-template-columns:1fr}
  .svc-grid{grid-template-columns:1fr}
  .about,.contact-grid,.work-detail{grid-template-columns:1fr;gap:24px}
  .work-detail .thumb{aspect-ratio:16/9}
  footer .cols{grid-template-columns:1fr;gap:22px}
  nav.main,.header-cta .btn-tel{display:none}
  .nav-toggle{display:block}
  nav.main.open{display:flex;position:absolute;top:68px;left:0;right:0;background:var(--bg);flex-direction:column;gap:0;padding:8px 20px 16px;border-bottom:1px solid var(--line)}
  nav.main.open a{padding:12px 0;border-bottom:1px solid var(--line)}
  .topbar span.hours{display:none}
  section{padding:48px 0}
  .page-hero h1{font-size:23px}
}