:root{
  --ink:#22302a; --ink2:#56645c; --line:#dfe6df; --bg:#f7f6f0; --paper:#fff;
  --green:#3fa866; --green-d:#22714a; --forest:#1d4532; --leaf:#e9f5ec; --sun:#f0bf4c;
  --r:14px; --shadow:0 10px 30px rgba(29,69,50,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Zen Kaku Gothic New",system-ui,-apple-system,"Hiragino Sans",sans-serif;font-size:16px;line-height:1.85;letter-spacing:.02em;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--green-d)}
h1,h2,h3,h4{font-family:"Zen Maru Gothic","Zen Kaku Gothic New",sans-serif;line-height:1.45;margin:0;letter-spacing:.04em}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* 提案の帯 */
.proposal{background:var(--forest);color:#e6f2ea;font-size:12.5px;text-align:center;padding:6px 16px;line-height:1.6}
.proposal b{color:var(--sun)}
.notice-bar{background:var(--sun);color:#3b2d06;font-size:14px;font-weight:700;text-align:center;padding:7px 16px}

/* ヘッダー */
.top-info{background:#fff;border-bottom:1px solid var(--line);font-size:13px;color:var(--ink2)}
.top-info .wrap{display:flex;justify-content:flex-end;gap:18px;padding-top:5px;padding-bottom:5px}
.site-header{background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(6px);position:sticky;top:0;z-index:30;border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:20px;height:76px}
.logo{flex-shrink:0}.logo img{height:44px;width:auto}
.gnav{margin-left:auto;display:flex;gap:4px}
.gnav a{color:var(--ink);text-decoration:none;font-weight:700;font-size:14.5px;padding:8px 11px;border-radius:999px;white-space:nowrap}
.gnav a:hover,.gnav a[aria-current]{background:var(--leaf);color:var(--green-d)}
.head-tel{flex-shrink:0;display:flex;flex-direction:column;align-items:flex-end;text-decoration:none;color:var(--forest);line-height:1.25}
.head-tel small{font-size:11px;color:var(--ink2)}
.head-tel b{font-size:21px;font-family:"Zen Maru Gothic",sans-serif;letter-spacing:.03em}
.head-cta{background:var(--green);color:#fff;text-decoration:none;font-weight:700;font-size:14px;padding:10px 18px;border-radius:999px;white-space:nowrap}
.head-cta:hover{background:var(--green-d)}
.menu-btn{display:none;margin-left:auto;background:none;border:0;padding:8px;cursor:pointer;color:var(--forest);font:inherit;font-size:11px;font-weight:700;line-height:1}
.menu-btn span{display:block;width:26px;height:2px;background:currentColor;margin:5px auto;border-radius:2px}
.drawer{position:fixed;inset:0;background:rgba(15,35,25,.5);z-index:50;display:none}
.drawer.open{display:block}
.drawer nav{position:absolute;right:0;top:0;bottom:0;width:min(86vw,340px);background:#fff;padding:24px;overflow:auto}
.drawer nav a{display:block;padding:13px 4px;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;font-weight:700}
.drawer-close{background:none;border:0;font-size:28px;line-height:1;float:right;cursor:pointer;color:var(--ink2)}
.drawer nav a.tel-btn{margin-top:20px;display:flex;color:#fff;border-bottom:0;padding:12px 18px}

/* ボタン */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font-weight:700;border-radius:999px;padding:14px 26px;border:0;cursor:pointer;font:inherit;font-weight:700;transition:.2s}
.btn-g{background:var(--green);color:#fff}.btn-g:hover{background:var(--green-d)}
.btn-w{background:#fff;color:var(--forest)}.btn-w:hover{background:var(--leaf)}
.btn-line{border:2px solid var(--green);color:var(--green-d);background:#fff}.btn-line:hover{background:var(--leaf)}
.tel-btn{display:flex;flex-direction:column;align-items:center;background:var(--forest);color:#fff;text-decoration:none;border-radius:var(--r);padding:12px 18px;line-height:1.3}
.tel-btn small{font-size:12px;opacity:.85}.tel-btn b{font-size:24px;font-family:"Zen Maru Gothic",sans-serif}

/* ヒーロー */
.hero{position:relative;background:var(--forest);color:#fff;overflow:hidden}
.hero-img{position:absolute;inset:0}
.hero-img img{width:100%;height:100%;object-fit:cover;object-position:center 40%}
.hero-img::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,48,33,.88) 0%,rgba(18,48,33,.62) 45%,rgba(18,48,33,.08) 100%)}
.hero .wrap{position:relative;min-height:600px;display:flex;flex-direction:column;justify-content:center;padding-top:60px;padding-bottom:110px}
.hero .en{font-family:"Zen Maru Gothic",sans-serif;color:var(--sun);font-size:15px;letter-spacing:.2em}
.hero h1{font-size:clamp(32px,5vw,54px);margin:14px 0 18px;font-weight:700}
.hero h1 em{font-style:normal;color:#bff0cf}
.hero p{max-width:540px;font-size:17px;margin:0 0 30px;color:#e5f1e8}
.hero .btns{display:flex;gap:12px;flex-wrap:wrap}
.leaf-deco{position:absolute;right:-60px;bottom:-80px;width:340px;opacity:.16;pointer-events:none}

/* 数字 */
.stats-band{position:relative;margin-top:-64px;z-index:2}
.stats{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.stat{padding:24px 18px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:"Zen Maru Gothic",sans-serif;font-size:38px;color:var(--green-d);line-height:1.2}
.stat b small{font-size:16px;margin-left:2px;color:var(--ink)}
.stat span{font-size:13.5px;color:var(--ink2)}
.stats-note{font-size:12px;color:var(--ink2);text-align:right;margin:8px 0 0}

/* セクション */
.sec{padding:96px 0}
.sec.alt{background:#fff}
.sec.leaf{background:var(--leaf)}
.sec-head{text-align:center;margin-bottom:48px}
.sec-head .en{display:block;font-family:"Zen Maru Gothic",sans-serif;color:var(--green);font-size:14px;letter-spacing:.24em;font-weight:700}
.sec-head h2{font-size:clamp(25px,3.2vw,34px);margin-top:6px}
.sec-head p{color:var(--ink2);margin:14px auto 0;max-width:680px}
.sec-head.left{text-align:left}.sec-head.left p{margin-left:0}
.more{text-align:center;margin-top:40px}

/* 入口 */
.doors{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.door{background:#fff;border-radius:var(--r);padding:30px 26px 26px;text-decoration:none;color:var(--ink);border:1px solid var(--line);display:flex;flex-direction:column;transition:.2s;position:relative}
.door:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#bfe0c9}
.door .ic{width:54px;height:54px;border-radius:50%;background:var(--leaf);display:grid;place-items:center;margin-bottom:16px}
.door .ic svg{width:28px;height:28px;stroke:var(--green-d)}
.door small{color:var(--green);font-weight:700;font-size:13px}
.door h3{font-size:21px;margin:2px 0 10px}
.door p{font-size:14.5px;color:var(--ink2);margin:0 0 16px;flex:1}
.door .go{font-weight:700;color:var(--green-d);font-size:14.5px}

/* 理念 */
.philo{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:center}
.philo-img{position:relative}
.philo-img img{border-radius:var(--r);aspect-ratio:4/3;object-fit:cover;width:100%}
.philo-img .badge{position:absolute;left:-18px;bottom:-22px;background:var(--sun);color:#3b2d06;border-radius:var(--r);padding:16px 20px;font-family:"Zen Maru Gothic",sans-serif;font-weight:700;line-height:1.5;box-shadow:var(--shadow)}
.philo h2{font-size:clamp(24px,3vw,32px);margin:6px 0 20px}
.philo p{margin:0 0 14px}
.keys{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0 0;padding:0;list-style:none}
.keys li{background:var(--leaf);color:var(--green-d);font-weight:700;border-radius:999px;padding:7px 16px 7px 12px;display:flex;align-items:center;gap:6px;font-size:15px}
.keys li::before{content:"";width:16px;height:16px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%233fa866'%3E%3Ccircle cx='8' cy='8' r='5'/%3E%3Ccircle cx='16' cy='8' r='5'/%3E%3Ccircle cx='8' cy='16' r='5'/%3E%3Ccircle cx='16' cy='16' r='5'/%3E%3C/svg%3E") center/contain no-repeat}

/* 事業 */
.biz{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.biz-card{background:#fff;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column;text-decoration:none;color:var(--ink);transition:.2s}
.biz-card:hover{box-shadow:var(--shadow)}
.biz-card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.biz-card .body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column}
.biz-card .no{font-family:"Zen Maru Gothic",sans-serif;color:var(--green);font-weight:700;font-size:14px;letter-spacing:.1em}
.biz-card h3{font-size:21px;margin:2px 0 4px}
.biz-card .catch{color:var(--green-d);font-weight:700;font-size:14.5px;margin:0 0 10px}
.biz-card p{font-size:14.5px;color:var(--ink2);margin:0 0 14px;flex:1}
.biz-card .go{font-weight:700;color:var(--green-d);font-size:14.5px}

/* エリア */
.area{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.area-map{background:#fff;border-radius:var(--r);padding:20px}
.area-list{list-style:none;margin:20px 0 0;padding:0}
.area-list li{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px dashed #c7d8cc;padding:14px 4px}
.area-list span{font-weight:700}
.area-list b{font-family:"Zen Maru Gothic",sans-serif;font-size:30px;color:var(--green-d)}
.area-list b small{font-size:14px;color:var(--ink);margin-left:2px}

/* 物件・施工 */
.props{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prop,.work{margin:0;background:#fff;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.zoom{display:block;width:100%;padding:0;border:0;background:#e8ece8;cursor:zoom-in}
.prop img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:.4s}
.work img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:.4s}
.zoom:hover img{transform:scale(1.03)}
.prop figcaption{padding:12px 16px;display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.prop figcaption b{font-size:15.5px}.prop figcaption small{color:var(--ink2)}
.works{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.works.three{grid-template-columns:repeat(3,1fr)}
.work figcaption{padding:10px 14px 12px;font-weight:700;font-size:14.5px;line-height:1.5}
.work figcaption small{display:block;color:var(--ink2);font-weight:400;font-size:12.5px}
.tag{display:inline-block;background:var(--leaf);color:var(--green-d);font-size:11.5px;font-weight:700;border-radius:4px;padding:1px 7px;margin-right:6px;vertical-align:2px}
.filter{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:30px}
.filter button{font:inherit;font-weight:700;font-size:14.5px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 18px;cursor:pointer;color:var(--ink)}
.filter button small{margin-left:6px;color:var(--ink2);font-weight:400}
.filter button.on{background:var(--green);border-color:var(--green);color:#fff}.filter button.on small{color:#dff3e5}
.lightbox{position:fixed;inset:0;background:rgba(10,20,15,.88);z-index:80;display:flex;align-items:center;justify-content:center;padding:24px}
.lightbox[hidden]{display:none}
.lightbox figure{margin:0;max-width:1100px}
.lightbox img{max-height:80vh;width:auto;margin:0 auto;border-radius:8px}
.lightbox figcaption{color:#fff;text-align:center;margin-top:10px}
.lb-close{position:absolute;top:14px;right:18px;background:none;border:0;color:#fff;font-size:38px;cursor:pointer;line-height:1}

/* お知らせ */
.news{list-style:none;margin:0;padding:0;background:#fff;border-radius:var(--r);border:1px solid var(--line)}
.news li{display:flex;gap:16px;align-items:baseline;padding:16px 22px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.news li:last-child{border-bottom:0}
.news time{font-family:"Zen Maru Gothic",sans-serif;color:var(--ink2);font-size:14px}
.news .cat{background:var(--leaf);color:var(--green-d);font-size:12px;font-weight:700;border-radius:4px;padding:1px 9px}
.news .t{flex:1;min-width:200px}
.two-col{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:start}

/* CTA */
.cta{background:var(--forest);color:#fff;padding:72px 0;position:relative;overflow:hidden}
.cta .wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;position:relative}
.cta h2{font-size:clamp(23px,3vw,30px);margin-bottom:10px}
.cta p{color:#d3e6d9;margin:0}
.cta-box{display:grid;gap:12px}
.cta .tel-btn{background:#fff;color:var(--forest)}
.cta .tel-btn small{color:var(--ink2);opacity:1}
.cta .meta{font-size:13px;color:#c5dccd;text-align:center}

/* フッター */
.site-footer{background:#14301f;color:#c9dbcf;padding:56px 0 28px;font-size:14px}
.site-footer .wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px}
.site-footer img{height:42px;width:auto;margin-bottom:16px}
.site-footer address{font-style:normal;line-height:1.9}
.site-footer h4{color:#fff;font-size:14px;margin-bottom:10px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li a{color:#c9dbcf;text-decoration:none;line-height:2.1}
.site-footer li a:hover{color:#fff}
.lic{font-size:12.5px;color:#9db8a7;margin-top:10px;line-height:1.8}
.copy{grid-column:1/-1;border-top:1px solid #2c4a37;padding-top:20px;margin-top:10px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12.5px;color:#8fac9a}
.byline{color:#b6cdbd}

/* 下層 */
.page-hero{position:relative;background:var(--forest);color:#fff;padding:70px 0 64px;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:url(../img/strip.jpg) center/cover;opacity:.22}
.page-hero .wrap{position:relative}
.page-hero .en{font-family:"Zen Maru Gothic",sans-serif;color:var(--sun);font-size:14px;letter-spacing:.24em}
.page-hero h1{font-size:clamp(28px,4vw,40px);margin-top:4px}
.crumbs{background:#fff;border-bottom:1px solid var(--line);font-size:13px}
.crumbs .wrap{padding-top:10px;padding-bottom:10px;display:flex;flex-wrap:wrap}
.crumbs span+span::before{content:"›";margin:0 8px;color:var(--ink2)}
.crumbs a{color:var(--ink2)}
.prose{max-width:860px;margin:0 auto}
.prose h2{font-size:clamp(22px,2.6vw,28px);margin:56px 0 18px;padding-left:16px;border-left:5px solid var(--green)}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:19px;margin:32px 0 12px;color:var(--green-d)}
.prose p{margin:0 0 16px}
.lead{font-size:18px;line-height:2;margin:0 0 24px}
.quote{background:#fff;border-radius:var(--r);border:1px solid var(--line);padding:30px 32px;font-size:17px;line-height:2.1;position:relative}
.quote::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:5px;background:var(--green);border-radius:0 4px 4px 0}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 26px}
.panel h4{font-size:17px;margin-bottom:8px;color:var(--green-d)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.svc-group{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 24px 18px}
.svc-group h3{margin:0 0 12px;display:flex;align-items:center;gap:10px;font-size:18px;color:var(--forest)}
.svc-group h3 .n{width:30px;height:30px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-size:14px}
.svc-group ul{list-style:none;margin:0;padding:0}
.svc-group li{padding:8px 0 8px 26px;border-top:1px dashed var(--line);position:relative;font-size:15px}
.svc-group li::before{content:"";position:absolute;left:4px;top:15px;width:12px;height:7px;border-left:2.5px solid var(--green);border-bottom:2.5px solid var(--green);transform:rotate(-45deg)}
.dl{display:grid;grid-template-columns:180px 1fr;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.dl dt,.dl dd{padding:16px 20px;border-bottom:1px solid var(--line);margin:0}
.dl dt{background:var(--leaf);font-weight:700;color:var(--forest)}
.dl dt:last-of-type,.dl dd:last-of-type{border-bottom:0}
.map{width:100%;height:380px;border:0;border-radius:var(--r)}
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{position:relative;padding:0 0 30px 74px;counter-increment:s}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:0;width:52px;height:52px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-family:"Zen Maru Gothic",sans-serif;font-weight:700}
.steps li::after{content:"";position:absolute;left:25px;top:56px;bottom:4px;width:2px;background:#cfe5d6}
.steps li:last-child::after{display:none}
.steps h3{margin:10px 0 6px;font-size:19px;color:var(--forest)}
.steps p{margin:0;color:var(--ink2)}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r);margin-bottom:12px}
.faq summary{cursor:pointer;padding:18px 52px 18px 56px;font-weight:700;position:relative;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";position:absolute;left:20px;top:15px;width:26px;height:26px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-size:14px}
.faq summary::after{content:"+";position:absolute;right:22px;top:12px;font-size:24px;color:var(--green)}
.faq details[open] summary::after{content:"−"}
.faq .a{padding:0 24px 20px 56px;color:var(--ink2)}
.alert{background:#fff8e6;border:1px solid #f1d891;border-radius:var(--r);padding:18px 22px}
.alert b{color:#8a5a00}
.emerg{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.emerg .panel{border-top:5px solid var(--green)}
.emerg .panel.red{border-top-color:#d1543f}
.checklist{margin:0;padding-left:1.3em}
.checklist li{margin-bottom:6px}

/* フォーム */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px}
.f-row{display:grid;grid-template-columns:200px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.f-row:last-of-type{border-bottom:0}
.f-row>label,.f-row>.lb{font-weight:700;padding-top:8px}
.req{background:#d1543f;color:#fff;font-size:11px;border-radius:3px;padding:1px 6px;margin-left:6px;vertical-align:2px}
.form input[type=text],.form input[type=email],.form input[type=tel],.form select,.form textarea{width:100%;font:inherit;padding:11px 13px;border:1px solid #cdd6ce;border-radius:8px;background:#fbfcfb}
.form textarea{min-height:160px}
.checks{display:flex;flex-wrap:wrap;gap:8px 18px;padding-top:8px}
.checks label{display:flex;gap:6px;align-items:center;font-size:15px}
.form-done{background:var(--leaf);border-radius:var(--r);padding:18px 20px;margin-top:20px;font-weight:700;color:var(--green-d)}
.form-done[hidden]{display:none}
.sitemap-list{columns:2;column-gap:40px;list-style:none;padding:0}
.sitemap-list li{break-inside:avoid;padding:10px 0;border-bottom:1px solid var(--line)}
.sitemap-list a{font-weight:700;text-decoration:none}
.sitemap-list small{display:block;color:var(--ink2)}

/* スマホ */
@media(max-width:1280px){.head-tel{display:none}}
@media(max-width:1080px){
  .gnav,.top-info{display:none}
  .menu-btn{display:block}
  .head-cta{margin-left:auto}
  .menu-btn{margin-left:0}
}
@media(max-width:900px){
  .sec{padding:72px 0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .doors,.biz{grid-template-columns:1fr}
  .philo,.area,.two-col,.cta .wrap{grid-template-columns:1fr;gap:36px}
  .philo-img .badge{left:12px}
  .props,.works,.works.three{grid-template-columns:repeat(2,1fr)}
  .site-footer .wrap{grid-template-columns:1fr 1fr}
  .site-footer .wrap>div:first-child{grid-column:1/-1}
  .grid4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .wrap{padding:0 16px}
  body{font-size:15.5px}
  .site-header .wrap{height:64px;gap:10px}
  .logo img{height:34px}
  .head-cta{padding:8px 12px;font-size:12.5px}
  .logo img{height:30px}
  .hero .wrap{min-height:540px;padding-bottom:100px}
  .hero h1{font-size:28px}
  .cta h2{font-size:20px}
  .hero-img::after{background:linear-gradient(180deg,rgba(18,48,33,.55) 0%,rgba(18,48,33,.85) 70%)}
  .stat{padding:18px 10px}.stat b{font-size:30px}
  .props,.works,.works.three{grid-template-columns:1fr 1fr;gap:12px}
  .work figcaption{font-size:13px;padding:8px 10px}
  .prop figcaption{padding:10px 12px;flex-direction:column;gap:0}
  .prop figcaption b{font-size:14px}
  .grid2,.emerg{grid-template-columns:1fr}
  .dl{grid-template-columns:1fr}
  .dl dt{border-bottom:0;padding-bottom:6px}
  .dl dd{padding-top:6px}
  .f-row{grid-template-columns:1fr;gap:6px}
  .form{padding:20px}
  .quote{padding:22px 22px;font-size:16px}
  .sitemap-list{columns:1}
  .site-footer .wrap{grid-template-columns:1fr}
  .steps li{padding-left:64px}
}
@media(max-width:400px){.head-cta{display:none}.menu-btn{margin-left:auto}}