:root{
  --navy:#12395c; --navy-d:#0c2842; --gold:#b7892f;
  --ink:#20303d; --muted:#5d7080; --line:#dde5ec; --bg:#f5f8fa; --white:#fff;
  --max:1080px;
}
*{box-sizing:border-box}
body{margin:0;color:var(--ink);background:var(--white);
  font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,system-ui,sans-serif;
  line-height:1.9;font-size:16px;-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.nb{display:inline-block}

/* header */
.topbar{background:var(--navy);color:#fff;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-top:6px;padding-bottom:6px}
.topbar p{margin:0}
header.site{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:50}
header.site .wrap{display:flex;align-items:center;gap:16px;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand img{width:44px}
.brand b{font-size:17px;letter-spacing:.02em;display:block;line-height:1.3}
.brand small{color:var(--muted);font-size:11px;font-weight:400}
.hd-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.tel{text-align:right;line-height:1.3}
.tel a{font-size:22px;font-weight:700;color:var(--navy);text-decoration:none;letter-spacing:.02em}
.tel span{display:block;font-size:11px;color:var(--muted)}
.btn{display:inline-block;background:var(--gold);color:#fff;text-decoration:none;
  padding:11px 20px;border-radius:4px;font-weight:700;font-size:14px;white-space:nowrap}
.btn:hover{opacity:.88}
.btn.ghost{background:transparent;color:var(--navy);border:1px solid var(--navy)}
nav.main{background:var(--navy-d)}
nav.main ul{display:flex;flex-wrap:wrap;list-style:none;margin:0;padding:0;max-width:var(--max);margin:0 auto}
nav.main a{display:block;color:#fff;text-decoration:none;padding:13px 18px;font-size:14px}
nav.main a:hover,nav.main a[aria-current]{background:rgba(255,255,255,.13)}

/* hero */
.hero{position:relative;background:#0c2842}
.hero img{width:100%;height:340px;object-fit:cover;opacity:.5}
.hero .copy{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;
  max-width:var(--max);margin:0 auto;padding:0 24px;color:#fff;text-shadow:0 2px 14px rgba(0,0,0,.5)}
.hero h1{font-size:30px;margin:0 0 10px;line-height:1.5}
.hero p{margin:0;font-size:16px}

/* page head */
.phead{background:var(--bg);border-bottom:1px solid var(--line)}
.phead h1{max-width:var(--max);margin:0 auto;padding:26px 20px;font-size:23px}
.crumb{font-size:12px;color:var(--muted);padding:10px 0}
.crumb a{color:var(--muted)}

section{padding:46px 0}
section.alt{background:var(--bg)}
h2.sec{font-size:22px;margin:0 0 6px;text-align:center}
.sec-en{text-align:center;color:var(--gold);font-size:12px;letter-spacing:.18em;margin:0 0 26px}
h3{font-size:18px;margin:28px 0 10px;padding-left:11px;border-left:4px solid var(--navy)}
p{margin:0 0 14px}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:6px;padding:22px}
.card .no{color:var(--gold);font-size:12px;font-weight:700;letter-spacing:.1em}
.card h4{margin:6px 0 8px;font-size:16px}
.card p{font-size:14px;color:var(--muted);margin:0}

table.tbl{width:100%;border-collapse:collapse;font-size:15px}
table.tbl th,table.tbl td{border:1px solid var(--line);padding:13px 14px;text-align:left;vertical-align:top}
table.tbl th{background:var(--bg);width:32%;font-weight:700}
table.tbl td.price{white-space:nowrap;font-weight:700;color:var(--navy)}

ul.list{padding-left:1.2em;margin:0 0 14px}
ul.list li{margin-bottom:7px}
.note{font-size:13px;color:var(--muted)}

.faq details{border:1px solid var(--line);border-radius:6px;margin-bottom:12px;background:#fff}
.faq summary{cursor:pointer;padding:16px 18px;font-weight:700;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";color:var(--gold);font-weight:700;margin-right:10px}
.faq .a{padding:0 18px 16px 44px;color:var(--muted);font-size:15px}

.steps{counter-reset:s;padding:0;list-style:none;margin:0}
.steps li{counter-increment:s;position:relative;padding:0 0 22px 56px;border-left:2px solid var(--line);margin-left:18px}
.steps li:last-child{border-left-color:transparent}
.steps li::before{content:"STEP " counter(s);position:absolute;left:-19px;top:0;background:var(--navy);color:#fff;
  font-size:10px;padding:4px 7px;border-radius:3px;letter-spacing:.05em}
.steps h4{margin:0 0 6px;font-size:16px}

.newslist{list-style:none;padding:0;margin:0}
.newslist li{border-bottom:1px solid var(--line);padding:15px 0}
.newslist time{color:var(--muted);font-size:13px;margin-right:14px}
.newslist .tag{background:var(--bg);color:var(--muted);font-size:11px;padding:2px 9px;border-radius:3px;margin-right:12px}
.newslist a{font-weight:700;text-decoration:none}
.newslist a:hover{text-decoration:underline}

/* contact band */
.band{background:var(--navy);color:#fff;text-align:center;padding:38px 20px}
.band h2{margin:0 0 6px;font-size:20px}
.band .row{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;margin-top:18px}
.band .row div{min-width:210px}
.band a.p{color:#fff;font-size:28px;font-weight:700;text-decoration:none;display:block}
.band small{opacity:.75;font-size:12px}

/* form */
form.f{max-width:640px;margin:0 auto}
form.f label{display:block;font-weight:700;font-size:14px;margin:18px 0 6px}
form.f .req{background:var(--gold);color:#fff;font-size:11px;padding:2px 7px;border-radius:3px;margin-left:8px}
form.f input,form.f textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:4px;font-size:16px;font-family:inherit}
form.f textarea{min-height:170px}
form.f button{margin-top:22px;width:100%;background:var(--navy);color:#fff;border:0;padding:15px;
  border-radius:4px;font-size:16px;font-weight:700;cursor:pointer}
form.f button:disabled{opacity:.5}
.msg{margin-top:16px;padding:14px;border-radius:4px;display:none;font-size:14px}
.msg.ok{display:block;background:#e8f5e9;color:#1b5e20}
.msg.ng{display:block;background:#fdecea;color:#a4231b}

footer.site{background:var(--navy-d);color:#fff;padding:34px 0 22px;font-size:14px}
footer.site a{color:#fff;text-decoration:none;opacity:.85}
footer.site a:hover{opacity:1;text-decoration:underline}
footer.site ul{list-style:none;padding:0;margin:0 0 20px;display:flex;flex-wrap:wrap;gap:8px 24px}
footer.site .cr{opacity:.6;font-size:12px;border-top:1px solid rgba(255,255,255,.15);padding-top:16px}

@media(max-width:820px){
  .cards{grid-template-columns:1fr}
  .two{grid-template-columns:1fr !important}
  .hero img{height:250px}
  .hero h1{font-size:21px}
  .hero p{font-size:14px}

  /* トップバーは1行だけ */
  .topbar{font-size:11px}
  .topbar .wrap{justify-content:center;padding:5px 12px}
  .topbar .wrap p:last-child{display:none}

  /* ヘッダー：1段目に事務所名、2段目に電話＋問い合わせ */
  header.site .wrap{flex-wrap:wrap;gap:10px;padding-top:10px;padding-bottom:10px}
  .brand{width:100%;gap:8px}
  .brand img{width:34px}
  .brand b{font-size:16px;white-space:nowrap}
  .brand small{font-size:10px}
  .hd-right{width:100%;margin-left:0;gap:8px}
  .hd-right .tel{display:block;flex:1;text-align:center;border:1px solid var(--navy);
    border-radius:4px;padding:7px 4px;line-height:1.2}
  .hd-right .tel a{font-size:17px}
  .hd-right .tel span{font-size:10px}
  .hd-right .btn{flex:1;text-align:center;padding:11px 6px}

  nav.main a{padding:11px 13px;font-size:13px}

  /* お知らせは日付とタイトルを分ける */
  .newslist a{display:block;margin-top:5px}

  table.tbl th{width:36%;font-size:14px}
  table.tbl td{font-size:14px}
  .band .row{gap:24px}
  section{padding:36px 0}
}