:root{--navy:#061b34;--gold:#b99652;--cream:#f8f3ea;--ink:#1d2630;--muted:#65707d;--line:#e7dfd2}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}
body{font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color:var(--ink);line-height:1.85;background:#fff}
a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1180px,92%);margin:auto}
.topbar{background:var(--navy);color:#fff;font-size:13px;padding:8px 0}.topbar .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{height:84px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:14px;color:var(--navy);font-weight:800;font-size:20px;white-space:nowrap}.brand img{width:62px;height:62px;object-fit:contain}.brand small{display:block;color:var(--gold);font-size:12px;letter-spacing:.16em}
.nav{display:flex;gap:14px;font-size:14px;font-weight:700;align-items:center}.nav a:hover{color:var(--gold)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 24px;border-radius:999px;background:var(--gold);color:#fff;font-weight:800;box-shadow:0 12px 25px rgba(185,150,82,.28);border:0;cursor:pointer}.btn.outline{background:transparent;border:1px solid rgba(255,255,255,.55);box-shadow:none}
.hero{position:relative;min-height:700px;overflow:hidden;background:var(--navy);color:#fff}.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;animation:slideShow 30s infinite}
.slide:nth-child(1){background-image:linear-gradient(90deg,rgba(6,27,52,.94),rgba(6,27,52,.22)),url("assets/futagami-exterior.jpg");animation-delay:0s}
.slide:nth-child(2){background-image:linear-gradient(90deg,rgba(6,27,52,.94),rgba(6,27,52,.28)),url("assets/higashikanamachi.jpg");animation-delay:6s}
.slide:nth-child(3){background-image:linear-gradient(90deg,rgba(6,27,52,.94),rgba(6,27,52,.28)),url("assets/cleaning-office.jpg");animation-delay:12s}
.slide:nth-child(4){background-image:linear-gradient(90deg,rgba(6,27,52,.94),rgba(6,27,52,.30)),url("assets/house-exterior.jpg");animation-delay:18s}
.slide:nth-child(5){background-image:linear-gradient(90deg,rgba(6,27,52,.94),rgba(6,27,52,.30)),url("assets/house-ldk.jpg");animation-delay:24s}
@keyframes slideShow{0%{opacity:0;transform:scale(1.04)}4%{opacity:1}20%{opacity:1}24%{opacity:0;transform:scale(1)}100%{opacity:0}}
.hero-content{position:relative;z-index:2;min-height:700px;display:flex;align-items:center}.label,.title .en{letter-spacing:.22em;color:var(--gold);font-weight:800;font-size:13px}.hero h1{font-size:clamp(36px,5vw,68px);line-height:1.28;letter-spacing:.05em;text-shadow:0 2px 14px rgba(0,0,0,.35);margin-top:14px}.hero p{font-size:clamp(16px,2vw,21px);max-width:780px;margin-top:22px;color:#f4f6f8}.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:34px}
.hero-stats{position:absolute;left:50%;bottom:30px;transform:translateX(-50%);z-index:3;width:min(1180px,92%);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(6,27,52,.9);border:1px solid rgba(185,150,82,.55)}.hero-stats div{padding:22px;border-right:1px solid rgba(255,255,255,.16)}.hero-stats div:last-child{border-right:0}.hero-stats strong{display:block;color:var(--gold);font-size:24px}
.page-hero{background:linear-gradient(90deg,rgba(6,27,52,.94),rgba(6,27,52,.70)),url("assets/futagami-exterior.jpg") center/cover;color:#fff;padding:110px 0}.page-hero h1{font-size:clamp(34px,5vw,56px);line-height:1.3}.page-hero p{margin-top:14px;color:#e9eef5;max-width:780px}
.section{padding:92px 0}.section.alt{background:var(--cream)}.section.dark{background:var(--navy);color:#fff}.title{text-align:center;margin-bottom:42px}.title h2{font-size:clamp(28px,3.6vw,44px);color:var(--navy);line-height:1.35;margin-top:8px}.dark .title h2{color:#fff}.lead{font-size:18px;color:#4f5b67;max-width:900px;margin:0 auto}.dark .lead{color:#dbe4ed}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}.card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 16px 36px rgba(6,27,52,.08)}.card img{width:100%;height:255px;object-fit:cover}.card-body{padding:26px}.badge{display:inline-block;padding:4px 12px;background:rgba(185,150,82,.14);color:var(--gold);font-weight:800;border-radius:99px;font-size:12px;margin-bottom:12px}.card h3{font-size:22px;color:var(--navy);line-height:1.45;margin-bottom:10px}.card p{color:var(--muted)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}.photo-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:14px}.photo-grid img{width:100%;height:230px;object-fit:cover;border-radius:12px}.photo-grid img:first-child{grid-row:span 2;height:474px}
.table{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 16px 36px rgba(6,27,52,.06)}.table th,.table td{padding:16px;border-bottom:1px solid var(--line);text-align:left}.table th{width:30%;background:#fbf8f2;color:var(--navy)}
.form{background:#fff;border:1px solid var(--line);padding:30px;border-radius:18px;box-shadow:0 16px 36px rgba(6,27,52,.06)}.form input,.form select,.form textarea{width:100%;padding:14px;border:1px solid #d8d0c3;border-radius:8px;margin:8px 0 16px;font:inherit}.form textarea{height:150px}.map iframe{width:100%;height:420px;border:0;border-radius:18px}
.news-list{max-width:900px;margin:0 auto}.news-row{display:grid;grid-template-columns:120px 110px 1fr;gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}.news-row:hover .news-title{color:var(--gold)}.news-date{color:var(--muted);font-weight:700}.news-cat{display:inline-flex;align-items:center;justify-content:center;padding:4px 10px;border-radius:999px;background:rgba(185,150,82,.14);color:var(--gold);font-size:12px;font-weight:800}.news-title{font-weight:800;color:var(--navy)}.news-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 16px 36px rgba(6,27,52,.06);margin-bottom:18px}.news-meta{display:flex;gap:12px;align-items:center;margin-bottom:10px}.news-card h3{font-size:22px;color:var(--navy);margin-bottom:8px}.news-card p{color:var(--muted)}
.timeline{max-width:820px;margin:0 auto}.time-item{display:grid;grid-template-columns:110px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}.time{font-weight:900;color:var(--gold);font-size:20px}.time-item h3{color:var(--navy);margin-bottom:4px}.checks{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.check{background:#fff;border:1px solid var(--line);padding:18px;border-radius:14px;font-weight:800;color:var(--navy)}
.footer{background:#061426;color:#fff;padding:44px 0}.footer .container{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.note{font-size:13px;color:#7b8794;margin-top:10px}
@media(max-width:1050px){.nav{display:none}}@media(max-width:950px){.header-inner{height:74px}.brand{font-size:16px}.brand img{width:52px;height:52px}.grid,.grid2,.two,.hero-stats,.checks{grid-template-columns:1fr}.hero-stats{position:relative;bottom:auto;margin:-20px auto 0;transform:none;left:auto}.hero{min-height:590px}.hero-content{min-height:590px}.photo-grid{grid-template-columns:1fr}.photo-grid img,.photo-grid img:first-child{height:260px;grid-row:auto}.time-item{grid-template-columns:1fr}}@media(max-width:640px){.topbar{font-size:12px}.brand small{font-size:10px}.hero h1{font-size:34px}.hero p{font-size:15px}.section{padding:64px 0}.btn{width:100%;max-width:320px}.hero-actions{gap:10px}.card-body{padding:22px}.table th,.table td{display:block;width:100%}.news-row{grid-template-columns:1fr;gap:4px}.news-card{padding:22px}}



/* ===== スマホ・タブレット用バーガーメニュー修正 ===== */
.burger{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line, #e7dfd2);
  border-radius:10px;
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  cursor:pointer;
  flex:0 0 auto;
}
.burger span{
  display:block;
  width:22px;
  height:2px;
  background:var(--navy, #061b34);
  border-radius:999px;
  transition:.25s ease;
}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:1050px){
  .header-inner{
    position:relative;
    height:auto;
    min-height:74px;
    padding:10px 0;
  }
  .brand{
    min-width:0;
    flex:1 1 auto;
    padding-right:8px;
  }
  .brand span{
    line-height:1.35;
  }
  .header .btn,
  .header-inner > .btn{
    display:none;
  }
  .burger{
    display:flex;
  }
  .nav{
    display:none;
    position:absolute;
    left:0;
    right:0;
    top:100%;
    background:#fff;
    border-top:1px solid var(--line, #e7dfd2);
    border-bottom:1px solid var(--line, #e7dfd2);
    box-shadow:0 14px 30px rgba(6,27,52,.12);
    padding:12px 4%;
    z-index:99;
  }
  .nav.is-open{
    display:grid;
    grid-template-columns:1fr;
    gap:0;
  }
  .nav a{
    display:block;
    padding:14px 6px;
    border-bottom:1px solid var(--line, #e7dfd2);
    color:var(--navy, #061b34);
  }
  .nav a:last-child{
    border-bottom:0;
  }
}

@media(max-width:640px){
  .header-inner{
    gap:10px;
  }
  .brand{
    font-size:15px;
  }
  .brand img{
    width:48px;
    height:48px;
  }
  .brand small{
    font-size:9px;
    letter-spacing:.1em;
  }
}