:root{
  --bg:#070b16;
  --bg2:#0b1226;
  --panel:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.10);
  --text:#e8edf7;
  --muted:#9aa7c0;
  --cyan:#38e1ff;
  --blue:#3b82f6;
  --violet:#8b5cf6;
  --grad:linear-gradient(120deg,#38e1ff,#3b82f6 45%,#8b5cf6);
  --orange:#ff8a3d;
  --amber:#ff9f43;
  --lime:#7cc549;
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.8;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:"Zen Kaku Gothic New","Noto Sans JP",sans-serif}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
section{padding:110px 0}
.sec-label{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.25em;color:var(--cyan);font-weight:700;
  text-transform:uppercase;margin-bottom:16px;
}
.sec-label::before{content:"";width:28px;height:2px;background:var(--grad);border-radius:2px}
.sec-title{font-size:clamp(28px,4.5vw,44px);font-weight:900;letter-spacing:.04em;line-height:1.35;margin-bottom:20px}
.sec-lead{color:var(--muted);max-width:640px;font-size:15.5px}

/* ===== header ===== */
header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(7,11,22,.72);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;max-width:1200px;margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.06em;font-size:17px}
.brand small{display:block;font-size:10px;letter-spacing:.28em;color:var(--muted);font-weight:500}
.nav-links{display:flex;gap:22px;align-items:center;font-size:13.5px;font-weight:500}
.nav-links a{color:var(--muted);transition:color .2s;white-space:nowrap}
.nav-links a:hover{color:#fff}
.nav-links a.active{color:#fff}
.nav-cta{
  background:var(--grad);color:#04121d !important;font-weight:700;
  padding:9px 18px;border-radius:99px;font-size:13px;transition:opacity .2s;
}
.nav-cta:hover{opacity:.85}
.menu-btn{display:none;background:none;border:0;cursor:pointer;padding:8px}
.menu-btn span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;border-radius:2px;transition:.3s}
@media(max-width:960px){
  .nav-links{
    position:fixed;top:68px;right:0;flex-direction:column;align-items:flex-start;
    background:rgba(9,14,30,.97);width:min(78vw,320px);height:calc(100vh - 68px);
    padding:36px 32px;gap:24px;transform:translateX(100%);transition:transform .3s;
    border-left:1px solid var(--line);font-size:16px;
  }
  .nav-links.open{transform:translateX(0)}
  .menu-btn{display:block}
  .menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-btn.open span:nth-child(2){opacity:0}
  .menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:15px;
  padding:16px 30px;border-radius:99px;transition:transform .2s,opacity .2s,box-shadow .2s;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad);color:#04121d;box-shadow:0 8px 30px rgba(59,130,246,.35)}
.btn-ghost{border:1px solid rgba(255,255,255,.25);color:#fff;background:rgba(255,255,255,.04)}
.btn-orange{background:linear-gradient(120deg,#ffb347,#ff8a3d);color:#3a1a00;box-shadow:0 8px 30px rgba(255,138,61,.3)}
.btn-lime{background:linear-gradient(120deg,#a8e05f,#7cc549);color:#173a00;box-shadow:0 8px 30px rgba(124,197,73,.32)}

/* ===== hero (top) ===== */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding:140px 0 90px;overflow:hidden;
  background:
    radial-gradient(900px 500px at 85% 12%,rgba(59,130,246,.22),transparent 60%),
    radial-gradient(700px 500px at 8% 85%,rgba(139,92,246,.18),transparent 60%),
    radial-gradient(500px 350px at 55% 55%,rgba(56,225,255,.08),transparent 60%),
    var(--bg);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 75% 65% at 50% 40%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 75% 65% at 50% 40%,#000 30%,transparent 75%);
}
.hero .wrap{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.12em;
  border:1px solid var(--line);border-radius:99px;padding:7px 16px;color:var(--muted);
  background:rgba(255,255,255,.03);margin-bottom:28px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.hero h1{font-size:clamp(38px,7vw,74px);font-weight:900;letter-spacing:.03em;line-height:1.25;margin-bottom:26px}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--muted);font-size:clamp(15px,1.8vw,17.5px);max-width:620px;margin-bottom:44px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:52px}
.hero-tags span{
  font-size:12.5px;color:var(--muted);border:1px solid var(--line);
  padding:6px 14px;border-radius:99px;background:rgba(255,255,255,.03);letter-spacing:.06em;
}

/* ===== page hero (sub pages) ===== */
.page-hero{position:relative;overflow:hidden;padding:150px 0 78px;border-bottom:1px solid var(--line)}
.page-hero .wrap{position:relative;z-index:1}
.ph-back{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;margin-bottom:22px;transition:gap .2s,color .2s}
.ph-back:hover{gap:12px;color:#fff}
.page-hero .sec-label{margin-bottom:14px}
.page-hero h1{font-size:clamp(34px,6.2vw,62px);font-weight:900;letter-spacing:.03em;line-height:1.22;margin-bottom:20px}
.page-hero p{color:var(--muted);max-width:660px;font-size:clamp(15px,1.8vw,17px)}
.page-hero.light{color:#17263e}
.page-hero.light p{color:#51637f}
.page-hero.light .ph-back{color:#5b708c}
.page-hero.light .ph-back:hover{color:#12335e}

.page-hero.works{
  background:radial-gradient(760px 420px at 92% -10%,rgba(255,138,61,.14),transparent 60%),linear-gradient(180deg,#0d1017,#141a26);
}
.page-hero.works::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,159,67,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,159,67,.07) 1px,transparent 1px);
  background-size:44px 44px;mask-image:linear-gradient(180deg,transparent,#000 30%,#000 100%);-webkit-mask-image:linear-gradient(180deg,transparent,#000 30%,#000 100%);
}
.page-hero.works .sec-label{color:var(--amber)}
.page-hero.works .sec-label::before{background:linear-gradient(90deg,#ffb347,#ff8a3d)}
.page-hero.ai{
  background:radial-gradient(820px 420px at 12% 10%,rgba(139,92,246,.22),transparent 60%),radial-gradient(640px 420px at 92% 90%,rgba(56,225,255,.13),transparent 60%),#05060e;
}
.page-hero.ai::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(139,92,246,.22) 1px,transparent 1.4px);background-size:26px 26px;
  mask-image:radial-gradient(ellipse 80% 80% at 70% 40%,#000,transparent 78%);-webkit-mask-image:radial-gradient(ellipse 80% 80% at 70% 40%,#000,transparent 78%);
}
.page-hero.ai .sec-label{color:var(--violet)}
.page-hero.ai .sec-label::before{background:linear-gradient(90deg,#8b5cf6,#38e1ff)}
.page-hero.aircon{background:linear-gradient(180deg,#d7ecff,#eef6ff)}
.page-hero.aircon::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(300px 120px at 14% 22%,rgba(255,255,255,.95),transparent 72%),radial-gradient(380px 150px at 82% 34%,rgba(255,255,255,.8),transparent 72%),radial-gradient(240px 110px at 58% 12%,rgba(255,255,255,.85),transparent 72%);
}
.page-hero.aircon .sec-label{color:#0e7ac4}
.page-hero.aircon .sec-label::before{background:linear-gradient(90deg,#3aa3ff,#7cc6ff)}
.page-hero.aircon h1{color:#12335e}
.page-hero.benriya{background:linear-gradient(180deg,#fdf6dd,#f3fadf)}
.page-hero.benriya::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:radial-gradient(rgba(124,197,73,.28) 3px,transparent 4px);background-size:36px 36px;
  mask-image:linear-gradient(180deg,transparent,#000 30%,#000 100%);-webkit-mask-image:linear-gradient(180deg,transparent,#000 30%,#000 100%);
}
.page-hero.benriya .sec-label{color:#5ea22a}
.page-hero.benriya .sec-label::before{background:linear-gradient(90deg,#a8e05f,#7cc549)}
.page-hero.benriya h1{color:#3f6212;font-family:"Kaisei Decol","Zen Kaku Gothic New",serif}

/* ===== business entry cards (top) ===== */
.biz-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-top:50px}
.biz-card{
  position:relative;border-radius:22px;padding:34px 30px;overflow:hidden;
  border:1px solid var(--line);background:var(--panel);
  display:flex;flex-direction:column;min-height:236px;transition:transform .25s,border-color .25s;
}
.biz-card::before{content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;transition:opacity .25s}
.biz-card:hover{transform:translateY(-5px)}
.biz-card>*{position:relative}
.biz-card .bc-en{font-size:11px;letter-spacing:.2em;font-weight:700}
.biz-card .bc-icon{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;border:1px solid var(--line)}
.biz-card h3{font-size:21px;font-weight:900;letter-spacing:.04em;margin:6px 0 10px}
.biz-card p{color:var(--muted);font-size:13.5px;flex:1}
.biz-card .bc-go{margin-top:16px;font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:8px;transition:gap .2s}
.biz-card:hover .bc-go{gap:14px}
.biz-card.c-works::before{background:radial-gradient(400px 220px at 20% 0,rgba(255,138,61,.16),transparent 62%)}
.biz-card.c-works:hover{border-color:rgba(255,138,61,.4)}
.biz-card.c-works .bc-en,.biz-card.c-works .bc-go{color:var(--amber)}
.biz-card.c-works .bc-icon{background:rgba(255,138,61,.1);border-color:rgba(255,138,61,.28)}
.biz-card.c-aircon::before{background:radial-gradient(400px 220px at 20% 0,rgba(56,163,255,.18),transparent 62%)}
.biz-card.c-aircon:hover{border-color:rgba(56,163,255,.42)}
.biz-card.c-aircon .bc-en,.biz-card.c-aircon .bc-go{color:#4db4ff}
.biz-card.c-aircon .bc-icon{background:rgba(56,163,255,.1);border-color:rgba(56,163,255,.3)}
.biz-card.c-benriya::before{background:radial-gradient(400px 220px at 20% 0,rgba(124,197,73,.2),transparent 62%)}
.biz-card.c-benriya:hover{border-color:rgba(124,197,73,.45)}
.biz-card.c-benriya .bc-en,.biz-card.c-benriya .bc-go{color:#93cf5b}
.biz-card.c-benriya .bc-icon{background:rgba(124,197,73,.12);border-color:rgba(124,197,73,.32)}
.biz-card.c-ai::before{background:radial-gradient(400px 220px at 20% 0,rgba(139,92,246,.2),transparent 62%)}
.biz-card.c-ai:hover{border-color:rgba(139,92,246,.45)}
.biz-card.c-ai .bc-en,.biz-card.c-ai .bc-go{color:var(--violet)}
.biz-card.c-ai .bc-icon{background:rgba(139,92,246,.12);border-color:rgba(139,92,246,.32)}
.biz-split{display:inline-flex;gap:10px;align-items:center;margin-top:44px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.biz-split b{color:var(--amber);font-weight:700}
.biz-split b.ai{color:var(--violet)}

/* ===== WORKS section (専門工事) ===== */
.works{
  position:relative;overflow:hidden;
  background:radial-gradient(760px 420px at 92% -5%,rgba(255,138,61,.12),transparent 60%),linear-gradient(180deg,#0d1017 0%,#141a26 100%);
}
.works::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,159,67,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,159,67,.07) 1px,transparent 1px);
  background-size:44px 44px;mask-image:linear-gradient(180deg,transparent,#000 12%,#000 88%,transparent);-webkit-mask-image:linear-gradient(180deg,transparent,#000 12%,#000 88%,transparent);
}
.works .wrap{position:relative;z-index:1}
.works .sec-label{color:var(--amber)}
.works .sec-label::before{background:linear-gradient(90deg,#ffb347,#ff8a3d)}
.work-list{margin-top:10px;border-top:1px solid rgba(255,255,255,.1)}
.work-row{
  display:flex;align-items:center;gap:26px;padding:30px 10px;
  border-bottom:1px solid rgba(255,255,255,.1);position:relative;transition:padding .25s,background .25s;
}
.work-row::after{content:"";position:absolute;left:0;bottom:-1px;height:2px;width:0;background:linear-gradient(90deg,#ffb347,#ff8a3d);transition:width .4s}
.work-row:hover{padding-left:24px;background:rgba(255,138,61,.045)}
.work-row:hover::after{width:100%}
.wn{
  font-family:"Zen Kaku Gothic New",sans-serif;font-size:clamp(30px,5vw,48px);font-weight:900;
  min-width:78px;color:rgba(255,159,67,.14);-webkit-text-stroke:1.5px rgba(255,159,67,.5);letter-spacing:.02em;transition:.25s;
}
.work-row:hover .wn{color:rgba(255,159,67,.22);-webkit-text-stroke:1.5px #ff9f43}
.wc{flex:1;min-width:0}
.wc h3{font-size:clamp(19px,2.4vw,24px);font-weight:900;letter-spacing:.05em;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.wc h3 em{font-style:normal;font-size:11px;letter-spacing:.24em;color:rgba(255,255,255,.32);font-weight:700}
.wc p{color:var(--muted);font-size:14px;max-width:640px}
.wicon{flex-shrink:0;width:58px;height:58px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:rgba(255,138,61,.1);border:1px solid rgba(255,138,61,.28)}
@media(max-width:640px){.wicon{display:none}.work-row{gap:16px}}

/* ===== AI section ===== */
.ai-sec{
  position:relative;overflow:hidden;
  background:radial-gradient(820px 420px at 12% 18%,rgba(139,92,246,.2),transparent 60%),radial-gradient(640px 420px at 92% 82%,rgba(56,225,255,.13),transparent 60%),#05060e;
}
.ai-sec::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(139,92,246,.22) 1px,transparent 1.4px);background-size:26px 26px;
  mask-image:radial-gradient(ellipse 75% 70% at 68% 50%,#000,transparent 78%);-webkit-mask-image:radial-gradient(ellipse 75% 70% at 68% 50%,#000,transparent 78%);
}
.ai-sec .wrap{position:relative;z-index:1}
.ai-sec .sec-label{color:var(--violet)}
.ai-sec .sec-label::before{background:linear-gradient(90deg,#8b5cf6,#38e1ff)}
.ai-flex{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center}
@media(max-width:860px){.ai-flex{grid-template-columns:1fr}}
.ai-points{display:flex;flex-direction:column;gap:18px;margin-top:34px}
.ai-point{display:flex;gap:16px;align-items:flex-start}
.ai-point .n{flex-shrink:0;width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:15px;background:linear-gradient(135deg,#8b5cf6,#38e1ff);color:#0a0620}
.ai-point h4{font-size:16px;font-weight:700;margin-bottom:4px}
.ai-point p{color:var(--muted);font-size:13.5px}
.ai-visual{border:1px solid rgba(139,92,246,.3);border-radius:20px;padding:34px;background:rgba(10,8,26,.6);position:relative;overflow:hidden;box-shadow:0 0 60px rgba(139,92,246,.15) inset}
.ai-visual::before{content:"";position:absolute;inset:-40%;background:conic-gradient(from 0deg,transparent 68%,rgba(139,92,246,.18),transparent 86%);animation:spin 8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.ai-visual > *{position:relative}
.term{font-family:"SF Mono",Menlo,monospace;font-size:12.5px;line-height:2;color:#c8b8ff}
.term .p{color:#5eead4}.term .c{color:#7a6ba8}.term .h{color:#a5e9ff}
@keyframes blink{50%{opacity:0}}

/* ===== light shared (aircon / benriya) ===== */
.light{color:#17263e}
.light .sec-lead{color:#51637f}
.light .wrap{position:relative;z-index:1}
.lite-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;align-items:center}
@media(max-width:860px){.lite-hero{grid-template-columns:1fr}}
.lite-card{background:#fff;border-radius:24px;padding:38px 34px}
.lite-card h3{font-size:21px;font-weight:900;margin-bottom:8px}
.lite-card .tel{display:flex;align-items:center;gap:12px;font-size:clamp(26px,4vw,34px);font-weight:900;letter-spacing:.03em;margin:18px 0 6px;font-family:"Zen Kaku Gothic New",sans-serif}
.lite-card .tel-note{font-size:12.5px;color:#7a8aa3;margin-bottom:22px}
.lite-menu{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:44px}
.l-item{background:#fff;border-radius:18px;padding:26px 24px;transition:transform .2s}
.l-item:hover{transform:translateY(-3px)}
.l-item .l-icon{width:46px;height:46px;border-radius:12px;font-size:22px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.l-item h4{font-size:16px;font-weight:700;margin-bottom:6px}
.l-item p{font-size:13px;color:#61728c}
.lite-steps{display:flex;gap:14px;margin-top:44px;flex-wrap:wrap}
.l-step{flex:1;min-width:180px;border-radius:16px;padding:20px;text-align:center;font-size:13.5px;font-weight:500}
.l-step b{display:block;font-size:15px;margin-bottom:4px;font-weight:900}

.aircon{position:relative;overflow:hidden;background:linear-gradient(180deg,#d7ecff 0%,#e9f4ff 45%,#f6fbff 100%)}
.aircon::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(300px 120px at 14% 18%,rgba(255,255,255,.95),transparent 72%),radial-gradient(380px 150px at 82% 30%,rgba(255,255,255,.8),transparent 72%),radial-gradient(240px 110px at 58% 10%,rgba(255,255,255,.85),transparent 72%),radial-gradient(320px 130px at 30% 88%,rgba(255,255,255,.7),transparent 72%)}
.aircon .sec-label{color:#0e7ac4}
.aircon .sec-label::before{background:linear-gradient(90deg,#3aa3ff,#7cc6ff)}
.aircon .sec-title,.aircon .lite-card h3,.aircon .l-item h4,.aircon .l-step b{color:#12335e}
.aircon .lite-card{box-shadow:0 18px 50px rgba(30,80,160,.14)}
.aircon .lite-card .tel{color:#0e63b8}
.aircon .l-item{box-shadow:0 8px 26px rgba(30,80,160,.09);border:1px solid #e3edf9}
.aircon .l-item .l-icon{background:linear-gradient(135deg,#e5f3ff,#d3ecff)}
.aircon .l-item p{color:#61728c}
.aircon .l-step{background:rgba(255,255,255,.78);border:1.5px dashed #b9d6f2;color:#3d5578}
.aircon .l-step b{color:#0e63b8}

.benriya{position:relative;overflow:hidden;background:linear-gradient(180deg,#fdf6dd 0%,#f3fadf 55%,#e9f8ea 100%)}
.benriya::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;background-image:radial-gradient(rgba(124,197,73,.28) 3px,transparent 4px);background-size:36px 36px;mask-image:linear-gradient(180deg,transparent,#000 20%,#000 80%,transparent);-webkit-mask-image:linear-gradient(180deg,transparent,#000 20%,#000 80%,transparent)}
.benriya .sec-label{color:#5ea22a}
.benriya .sec-label::before{background:linear-gradient(90deg,#a8e05f,#7cc549)}
.benriya .sec-title{color:#3f6212;font-family:"Kaisei Decol","Zen Kaku Gothic New",serif}
.benriya .lite-card h3{color:#3f6212;font-family:"Kaisei Decol","Zen Kaku Gothic New",serif}
.benriya .l-item h4,.benriya .l-step b{color:#3f6212}
.benriya .lite-card{box-shadow:0 18px 50px rgba(90,140,40,.16);border:2px solid #eaf5d4;border-radius:26px}
.benriya .lite-card .tel{color:#5ea22a}
.benriya .l-item{box-shadow:0 10px 26px rgba(90,140,40,.12);border:2px solid #e6f3cf;border-radius:22px}
.benriya .l-item:nth-child(odd){transform:rotate(-1.3deg)}
.benriya .l-item:nth-child(even){transform:rotate(1.3deg)}
.benriya .l-item:hover{transform:rotate(0) translateY(-4px)}
.benriya .l-item .l-icon{background:linear-gradient(135deg,#edf8d4,#dcf0b6)}
.benriya .l-item p{color:#5c7052}
.benriya .l-step{background:rgba(255,255,255,.82);border:2px dashed #bfe089;color:#4d6b33;border-radius:18px}
.benriya .l-step b{color:#5ea22a}
.benriya .btn-benriya{background:linear-gradient(120deg,#a8e05f,#7cc549);color:#173a00;box-shadow:0 8px 30px rgba(124,197,73,.34)}

/* ===== company ===== */
.table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:44px}
.row{display:grid;grid-template-columns:200px 1fr;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:0}
.row dt{padding:20px 26px;background:rgba(255,255,255,.03);font-weight:700;font-size:14px;color:var(--muted);letter-spacing:.08em}
.row dd{padding:20px 26px;font-size:15px}
@media(max-width:640px){.row{grid-template-columns:1fr}.row dt{padding:14px 22px 4px}.row dd{padding:0 22px 16px}}

/* ===== recruit ===== */
.recruit-box{
  margin-top:44px;border-radius:24px;padding:56px 44px;position:relative;overflow:hidden;
  background:radial-gradient(600px 300px at 90% 10%,rgba(56,225,255,.14),transparent 60%),radial-gradient(500px 300px at 5% 95%,rgba(139,92,246,.14),transparent 60%),rgba(255,255,255,.03);
  border:1px solid var(--line);text-align:center;
}
.recruit-box h3{font-size:clamp(22px,3.4vw,32px);font-weight:900;margin-bottom:16px;letter-spacing:.05em}
.recruit-box p{color:var(--muted);max-width:560px;margin:0 auto 32px;font-size:15px}
.recruit-tags{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.recruit-tags span{font-size:13px;border:1px solid var(--line);padding:7px 16px;border-radius:99px;color:var(--muted)}

/* ===== contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:48px}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
.contact-card{border:1px solid var(--line);border-radius:var(--radius);padding:40px 34px;background:var(--panel);text-align:center}
.contact-card .cc-icon{width:60px;height:60px;margin:0 auto 20px;border-radius:18px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(56,225,255,.15),rgba(139,92,246,.15));border:1px solid rgba(56,225,255,.25)}
.contact-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.contact-card p{color:var(--muted);font-size:13.5px;margin-bottom:24px}
.contact-card .big-tel{font-size:clamp(24px,3.5vw,30px);font-weight:900;letter-spacing:.04em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:6px}
form{display:flex;flex-direction:column;gap:14px;text-align:left}
label{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.06em}
input,textarea,select{width:100%;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;padding:13px 16px;color:#fff;font-size:14.5px;font-family:inherit;transition:border-color .2s}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--cyan)}
select option{color:#111}
textarea{min-height:120px;resize:vertical}
.form-note{font-size:12px;color:var(--muted)}

/* ===== cta band (sub pages) ===== */
.cta-band{border-top:1px solid var(--line);background:var(--bg2)}
.cta-inner{text-align:center;max-width:640px;margin:0 auto}
.cta-inner h2{font-size:clamp(24px,3.6vw,34px);font-weight:900;margin-bottom:14px;letter-spacing:.04em}
.cta-inner p{color:var(--muted);margin-bottom:30px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ===== footer ===== */
footer{border-top:1px solid var(--line);padding:56px 0 40px;background:var(--bg2)}
.foot{display:flex;justify-content:space-between;align-items:flex-start;gap:32px;flex-wrap:wrap}
.foot-info{font-size:13px;color:var(--muted);line-height:2.1;margin-top:14px}
.foot-nav{display:flex;gap:22px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.foot-nav a:hover{color:#fff}
.copy{margin-top:40px;font-size:12px;color:rgba(255,255,255,.3);text-align:center;letter-spacing:.08em}

/* reveal animation */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.rv.on{opacity:1;transform:none}

/* floating tel (mobile) */
.float-tel{
  display:none;position:fixed;bottom:18px;left:14px;right:14px;z-index:99;
  background:linear-gradient(120deg,#ffb347,#ff8a3d);color:#3a1a00;font-weight:900;
  text-align:center;padding:15px;border-radius:99px;font-size:15px;box-shadow:0 10px 30px rgba(255,138,61,.4);
}
.float-tel.lime{background:linear-gradient(120deg,#a8e05f,#7cc549);color:#173a00;box-shadow:0 10px 30px rgba(124,197,73,.4)}
@media(max-width:640px){.float-tel{display:block}}

/* ==========================================================================
   暮らしのサービス（エアコン＋便利屋 統合ページ / .kurashi）
   ========================================================================== */
.kurashi{color:#1c2b3e;background:#f7fbff}
.kurashi .wrap{position:relative;z-index:1}
.kurashi section{padding:90px 0}
.kurashi .k-label{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:.22em;font-weight:700;text-transform:uppercase;margin-bottom:14px}
.kurashi .k-label::before{content:"";width:26px;height:2px;border-radius:2px}
.kurashi .k-title{font-size:clamp(26px,4.2vw,40px);font-weight:900;letter-spacing:.03em;line-height:1.35;margin-bottom:16px;color:#12314f}
.kurashi .k-lead{color:#51637f;max-width:660px;font-size:15px}
.k-blue{color:#0e7ac4}.k-blue::before{background:linear-gradient(90deg,#3aa3ff,#7cc6ff)}
.k-green{color:#5ea22a}.k-green::before{background:linear-gradient(90deg,#8fd14f,#5bb033)}

/* summer hero */
.k-hero{position:relative;overflow:hidden;padding:132px 0 70px;background:linear-gradient(180deg,#d3ebff 0%,#eaf5ff 60%,#f7fbff 100%)}
.k-hero::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(340px 130px at 12% 16%,rgba(255,255,255,.95),transparent 72%),radial-gradient(420px 160px at 84% 26%,rgba(255,255,255,.82),transparent 72%),radial-gradient(260px 120px at 60% 8%,rgba(255,255,255,.85),transparent 72%)}
.k-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
@media(max-width:880px){.k-hero-grid{grid-template-columns:1fr;gap:28px}}
.k-back{display:inline-flex;align-items:center;gap:8px;color:#5b708c;font-size:13px;margin-bottom:18px;transition:gap .2s}
.k-back:hover{gap:12px;color:#12335e}
.k-badge-sun{display:inline-flex;align-items:center;gap:8px;background:#fff5e0;color:#d98200;font-weight:800;font-size:13px;padding:7px 15px;border-radius:99px;margin-bottom:18px;box-shadow:0 4px 16px rgba(255,170,40,.2)}
.k-hero h1{font-size:clamp(30px,5.2vw,50px);font-weight:900;letter-spacing:.02em;line-height:1.24;color:#0c2f52;margin-bottom:18px}
.k-hero h1 em{font-style:normal;color:#0e7ac4}
.k-hero p{color:#43607f;font-size:clamp(14.5px,1.7vw,16.5px);margin-bottom:26px;max-width:540px}
.k-hero-photo{border-radius:24px;overflow:hidden;box-shadow:0 26px 60px rgba(20,70,140,.22);aspect-ratio:3/2}
.k-hero-photo img{width:100%;height:100%;object-fit:cover}
.k-cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.k-tel-big{display:inline-flex;align-items:center;gap:10px;font-family:"Zen Kaku Gothic New",sans-serif;font-weight:900;font-size:clamp(22px,3vw,28px);color:#0e63b8;letter-spacing:.02em}

/* trust badges */
.k-trust{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.k-trust span{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid #d9e8f6;color:#2b4763;font-weight:700;font-size:12.5px;padding:8px 14px;border-radius:99px;box-shadow:0 4px 14px rgba(20,70,140,.06)}
.k-trust span b{color:#0e7ac4}

/* aircon feature */
.k-feature{background:linear-gradient(180deg,#f7fbff,#eef6ff)}
.k-feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:36px}
@media(max-width:880px){.k-feat-grid{grid-template-columns:1fr}}
.k-feat-photo{border-radius:20px;overflow:hidden;box-shadow:0 16px 40px rgba(20,70,140,.14);aspect-ratio:16/11}
.k-feat-photo img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.k-feat-photo:hover img{transform:scale(1.05)}
.k-menu{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:520px){.k-menu{grid-template-columns:1fr}}
.k-menu-item{background:#fff;border:1px solid #e2edf8;border-radius:14px;padding:18px 18px}
.k-menu-item .ic{font-size:22px;margin-bottom:8px}
.k-menu-item h4{font-size:15px;font-weight:800;color:#12314f;margin-bottom:4px}
.k-menu-item p{font-size:12.5px;color:#65788f}

/* service photo cards (便利屋) */
.k-svc-band{background:linear-gradient(180deg,#f3faec 0%,#eef8e6 100%)}
.k-svc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px;margin-top:38px}
.k-svc{background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 12px 32px rgba(70,120,40,.1);border:1px solid #e6f1d8;transition:transform .25s,box-shadow .25s}
.k-svc:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(70,120,40,.18)}
.k-svc .ph{height:180px;overflow:hidden;position:relative}
.k-svc .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.k-svc:hover .ph img{transform:scale(1.06)}
.k-svc .ph .tag{position:absolute;left:12px;bottom:12px;background:rgba(94,162,42,.95);color:#fff;font-weight:800;font-size:12px;padding:5px 12px;border-radius:99px}
.k-svc .bd{padding:22px 22px 26px}
.k-svc h4{font-size:17px;font-weight:800;color:#2f4a1f;margin-bottom:8px}
.k-svc p{font-size:13px;color:#5c7052;line-height:1.75}
.k-svc ul{list-style:none;margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}
.k-svc ul li{font-size:11.5px;color:#5ea22a;background:#f0f8e4;border:1px solid #dcefc4;padding:4px 10px;border-radius:99px}

/* price table */
.k-price{background:#fff}
.k-price-table{margin-top:34px;border:1px solid #e2edf8;border-radius:18px;overflow:hidden}
.k-price-row{display:grid;grid-template-columns:1.3fr 1fr auto;gap:0;border-bottom:1px solid #eef3f9;align-items:center}
.k-price-row:last-child{border-bottom:0}
.k-price-row.head{background:#f2f8ff;font-weight:800;color:#12314f;font-size:13px}
.k-price-row>div{padding:16px 20px;font-size:14px}
.k-price-row .svc{font-weight:700;color:#1c3350}
.k-price-row .amt{font-weight:900;color:#0e7ac4;font-family:"Zen Kaku Gothic New",sans-serif;white-space:nowrap}
.k-price-row .note{color:#7c8ba0;font-size:12px}
@media(max-width:640px){.k-price-row{grid-template-columns:1fr auto}.k-price-row .note{display:none}.k-price-row.head .note{display:none}}
.k-price-caption{margin-top:14px;font-size:12px;color:#8695a8}

/* flow steps */
.k-flow{background:linear-gradient(180deg,#eef6ff,#f7fbff)}
.k-flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:38px;counter-reset:st}
@media(max-width:820px){.k-flow-grid{grid-template-columns:1fr 1fr}}
.k-step{background:#fff;border:1px solid #e2edf8;border-radius:18px;padding:28px 22px;position:relative;text-align:center}
.k-step .n{width:44px;height:44px;margin:0 auto 14px;border-radius:50%;background:linear-gradient(135deg,#3aa3ff,#0e7ac4);color:#fff;font-weight:900;font-size:18px;display:flex;align-items:center;justify-content:center;font-family:"Zen Kaku Gothic New",sans-serif}
.k-step h4{font-size:15px;font-weight:800;color:#12314f;margin-bottom:6px}
.k-step p{font-size:12.5px;color:#65788f}

/* staff experts */
.k-staff{background:#fff}
.k-staff-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:38px}
@media(max-width:820px){.k-staff-grid{grid-template-columns:1fr;max-width:420px;margin-left:auto;margin-right:auto}}
.k-person{background:#f8fbff;border:1px solid #e4eef8;border-radius:22px;overflow:hidden;transition:transform .25s,box-shadow .25s}
.k-person:hover{transform:translateY(-5px);box-shadow:0 20px 44px rgba(20,70,140,.14)}
.k-person .pf{aspect-ratio:5/6;overflow:hidden}
.k-person .pf img{width:100%;height:100%;object-fit:cover}
.k-person .pb{padding:22px 22px 26px}
.k-person .role{font-size:11.5px;letter-spacing:.14em;font-weight:800;color:#0e7ac4;margin-bottom:6px}
.k-person h4{font-size:18px;font-weight:900;color:#12314f;margin-bottom:2px}
.k-person .exp{font-size:12px;color:#8695a8;margin-bottom:12px}
.k-person p{font-size:13px;color:#556d88;line-height:1.8}
.k-person .quals{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}
.k-person .quals span{font-size:11px;color:#5ea22a;background:#f0f8e4;border:1px solid #dcefc4;padding:3px 10px;border-radius:99px}

/* testimonials */
.k-voice{background:linear-gradient(180deg,#f3faec,#eef8e6)}
.k-voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px}
@media(max-width:820px){.k-voice-grid{grid-template-columns:1fr}}
.k-vcard{background:#fff;border:1px solid #e6f1d8;border-radius:18px;padding:28px 26px;box-shadow:0 10px 28px rgba(70,120,40,.08)}
.k-vcard .stars{color:#ffb020;font-size:15px;letter-spacing:2px;margin-bottom:12px}
.k-vcard p{font-size:13.5px;color:#3f5340;line-height:1.85;margin-bottom:16px}
.k-vcard .who{font-size:12.5px;color:#7c8b6f;font-weight:700}

/* area */
.k-area{background:#fff;text-align:center}
.k-area .pins{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:28px}
.k-area .pins span{background:#eef6ff;border:1px solid #d9e8f6;color:#1c3350;font-weight:700;font-size:13px;padding:9px 18px;border-radius:99px}
.k-area .pins span.main{background:linear-gradient(120deg,#3aa3ff,#0e7ac4);color:#fff;border:0}

/* faq */
.k-faq{background:linear-gradient(180deg,#f7fbff,#eef6ff)}
.k-faq-list{margin-top:34px;max-width:820px}
.k-faq-item{background:#fff;border:1px solid #e2edf8;border-radius:14px;margin-bottom:12px;overflow:hidden}
.k-faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-weight:800;color:#12314f;font-size:14.5px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.k-faq-item summary::-webkit-details-marker{display:none}
.k-faq-item summary::after{content:"＋";color:#0e7ac4;font-weight:900;font-size:18px;flex-shrink:0}
.k-faq-item[open] summary::after{content:"−"}
.k-faq-item .ans{padding:0 24px 22px;color:#5a6f88;font-size:13.5px;line-height:1.85}

/* final CTA */
.k-final{background:linear-gradient(135deg,#0e63b8,#2f9fe6);color:#fff;text-align:center}
.k-final h2{font-size:clamp(24px,3.6vw,36px);font-weight:900;margin-bottom:14px;color:#fff}
.k-final p{color:#dbeeff;margin-bottom:14px;font-size:15px}
.k-final .ft{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:900;font-size:clamp(28px,4.5vw,42px);letter-spacing:.02em;margin:6px 0 4px}
.k-final .fn{color:#c6e3ff;font-size:13px;margin-bottom:26px}
.k-final .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.k-final .btn-white{background:#fff;color:#0e63b8;font-weight:800}
.k-final .btn-lineout{border:2px solid rgba(255,255,255,.6);color:#fff}