/* ===== Interior Yamakawa site — kento-reform風テイスト ===== */
:root{
  --navy:#16233f; --navy2:#26365c; --yellow:#ffd21e; --yellow-d:#f2b900;
  --bg:#f4f5f7; --white:#fff; --ink:#2b2b2b; --gray:#6c7480; --line:#e3e6ea;
  --red:#e0533d;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;color:var(--ink);line-height:1.8;background:var(--white);font-weight:500}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:min(1080px,92%);margin-inline:auto}
.center{text-align:center}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.4em;background:var(--yellow);color:var(--navy);font-weight:700;padding:1em 2.2em;border-radius:6px;box-shadow:0 6px 0 var(--yellow-d);transition:.15s}
.btn:hover{transform:translateY(2px);box-shadow:0 4px 0 var(--yellow-d)}
.btn-line{background:var(--navy);color:#fff;box-shadow:0 6px 0 #0c1631}
.btn-line:hover{box-shadow:0 4px 0 #0c1631}

/* header */
header{position:sticky;top:0;z-index:50;background:var(--white);border-bottom:3px solid var(--navy)}
.hd{display:flex;align-items:center;justify-content:space-between;padding:.6em 0;gap:1em}
.logo{font-weight:800;color:var(--navy);font-size:1.2rem;line-height:1.2}
.logo small{display:block;font-size:.6rem;color:var(--gray);font-weight:600;letter-spacing:.15em}
.gnav{display:flex;gap:1.4em;align-items:center;font-weight:700;font-size:.95rem}
.gnav a{color:var(--navy);padding:.3em 0;border-bottom:3px solid transparent}
.gnav a:hover,.gnav a.on{border-color:var(--yellow)}
.hd-cta{display:flex;align-items:center;gap:.8em}
.hd-tel{font-weight:800;color:var(--navy);font-size:1.15rem;line-height:1}
.hd-tel small{display:block;font-size:.6rem;color:var(--gray);font-weight:600}
.hd .btn{padding:.7em 1.4em;font-size:.9rem}

/* hero */
.hero{position:relative;color:#fff;background:linear-gradient(rgba(15,25,50,.62),rgba(15,25,50,.62)),url("img/kitchen.jpg") center/cover;padding:5em 0 4.5em}
.hero .tag{display:inline-block;background:var(--yellow);color:var(--navy);font-weight:800;padding:.35em 1.1em;border-radius:4px;font-size:.85rem;margin-bottom:1em}
.hero h1{font-size:clamp(1.7rem,4.6vw,2.9rem);font-weight:800;line-height:1.4;text-shadow:0 2px 12px rgba(0,0,0,.4)}
.hero h1 b{color:var(--yellow)}
.hero p.sub{margin:1em 0 1.6em;font-size:clamp(1rem,2.3vw,1.2rem);font-weight:600}
.hero .nopush{display:inline-block;margin-top:1.4em;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.4);border-radius:999px;padding:.4em 1.2em;font-size:.85rem;font-weight:600}

/* stat bar */
.stats{background:var(--navy);color:#fff}
.stats .wrap{display:flex;flex-wrap:wrap;justify-content:space-around;gap:1em;padding:1.6em 0;text-align:center}
.stat b{display:block;font-size:2rem;color:var(--yellow);line-height:1.1;font-weight:800}
.stat span{font-size:.82rem;color:#cdd5e4}

/* section */
section{padding:3.6em 0}
.alt{background:var(--bg)}
.sec-h{text-align:center;margin-bottom:2em}
.sec-h .en{color:var(--yellow-d);font-weight:800;letter-spacing:.2em;font-size:.8rem}
.sec-h h2{font-size:clamp(1.5rem,4vw,2rem);color:var(--navy);font-weight:800;margin-top:.2em}
.sec-h p{color:var(--gray);margin-top:.5em;font-size:.95rem}

/* reasons (numbered) */
.reasons{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.2em}
.reason{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:1.8em 1.5em 1.6em;position:relative;border-top:5px solid var(--yellow)}
.reason .no{position:absolute;top:-18px;left:18px;width:46px;height:46px;background:var(--navy);color:var(--yellow);border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:1.2rem}
.reason h3{color:var(--navy);font-size:1.18rem;margin:.4em 0 .5em;font-weight:800}
.reason p{font-size:.93rem;color:var(--gray)}
.reason ul{margin:.6em 0 0;padding-left:1.1em;font-size:.9rem;color:var(--ink)}
.reason li{margin:.2em 0}

/* cards grid (works / services) */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.2em}
.card{background:var(--white);border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:.15s}
.card:hover{box-shadow:0 12px 26px rgba(22,35,63,.12);transform:translateY(-3px)}
.card .thumb{aspect-ratio:4/3;overflow:hidden;background:#e9ecf0}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.card:hover .thumb img{transform:scale(1.06)}
.card .body{padding:1em 1.2em 1.3em}
.card .cat{display:inline-block;background:var(--bg);color:var(--navy);font-weight:700;font-size:.72rem;padding:.2em .7em;border-radius:4px;margin-bottom:.5em}
.card h3{color:var(--navy);font-size:1.04rem;font-weight:800}
.card .loc{color:var(--gray);font-size:.85rem;margin-top:.2em}

/* voices */
.voices{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.2em}
.voice{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:1.6em;border-left:5px solid var(--yellow)}
.voice .stars{color:#f5a623;font-size:1.1rem;letter-spacing:.08em}
.voice .ttl{color:var(--navy);font-weight:800;margin:.3em 0 .4em;font-size:1.05rem}
.voice p{font-size:.95rem;color:var(--ink)}
.voice cite{display:block;margin-top:.7em;color:var(--gray);font-size:.82rem;font-style:normal}

/* faq */
.faq{max-width:760px;margin-inline:auto}
.faq details{background:var(--white);border:1px solid var(--line);border-radius:8px;margin-bottom:.7em;padding:.2em .4em}
.faq summary{cursor:pointer;font-weight:700;color:var(--navy);padding:.9em 1em;list-style:none;position:relative}
.faq summary::after{content:"＋";position:absolute;right:1em;color:var(--yellow-d)}
.faq details[open] summary::after{content:"−"}
.faq .a{padding:0 1em 1em;color:var(--gray);font-size:.93rem}

/* cta band */
.cta{background:var(--navy);color:#fff;text-align:center}
.cta h2{font-size:clamp(1.5rem,4vw,2.1rem);font-weight:800;margin-bottom:.3em}
.cta h2 b{color:var(--yellow)}
.cta p{opacity:.9;margin-bottom:1.5em}
.cta .lines{display:flex;gap:.8em;justify-content:center;flex-wrap:wrap}
.cta .note{margin-top:1em;font-size:.82rem;color:#cdd5e4}

/* page hero (sub pages) */
.phero{background:var(--navy);color:#fff;text-align:center;padding:2.8em 0}
.phero .en{color:var(--yellow);font-weight:800;letter-spacing:.2em;font-size:.8rem}
.phero h1{font-size:clamp(1.6rem,4vw,2.2rem);font-weight:800;margin-top:.2em}
.crumb{font-size:.8rem;color:var(--gray);padding:.8em 0}
.crumb a:hover{color:var(--navy)}

/* footer */
footer{background:#101a30;color:#aab4c6;padding:2.6em 0 2em;font-size:.88rem}
footer .ft{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1.5em}
footer .fname{color:#fff;font-weight:800;font-size:1.05rem}
footer table td{padding:.15em .6em .15em 0;vertical-align:top}
footer .sample{margin-top:1.6em;padding-top:1.2em;border-top:1px solid #2a3650;font-size:.74rem;color:#7c879c;line-height:1.7}

/* sticky mobile cta */
.mcta{position:fixed;bottom:0;left:0;right:0;display:none;gap:.4em;padding:.5em;background:rgba(255,255,255,.97);border-top:1px solid var(--line);z-index:60}
.mcta a{flex:1;text-align:center;font-size:.9rem;padding:.8em;border-radius:6px;font-weight:700}
.mcta .t{background:var(--navy);color:#fff}
.mcta .m{background:var(--yellow);color:var(--navy)}
@media(max-width:820px){
  .gnav{display:none}
  .hd-tel{display:none}
}
@media(max-width:600px){
  .mcta{display:flex}
  body{padding-bottom:4.2em}
  .hd .btn{display:none}
}

/* ===== 信頼強化セクション（追加） ===== */
/* お悩み共感 */
.worry-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1em;margin-bottom:1.6em}
.worry-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:1.1em 1.3em;display:flex;gap:.6em;align-items:flex-start;font-weight:600;color:var(--navy);font-size:.95rem}
.worry-item .q{color:var(--yellow-d);font-weight:800;flex:0 0 auto;font-size:1.1rem;line-height:1.4}
.worry-arrow{text-align:center;font-weight:800;color:var(--navy);font-size:1.05rem;margin-top:.4em}
.worry-arrow b{color:var(--yellow-d)}

/* 施工の流れ */
.flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(165px,1fr));gap:1em}
.step{background:#fff;border:1px solid var(--line);border-radius:10px;padding:1.5em 1.1em 1.3em;text-align:center;border-top:4px solid var(--yellow)}
.step .lbl{font-size:.64rem;color:var(--gray);font-weight:800;letter-spacing:.12em}
.step .n{width:46px;height:46px;margin:.2em auto .5em;background:var(--navy);color:var(--yellow);border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:1.25rem}
.step h4{color:var(--navy);font-size:1.02rem;font-weight:800;margin-bottom:.2em}
.step p{font-size:.85rem;color:var(--gray)}

/* 代表メッセージ */
.message{background:var(--navy);color:#fff}
.message .inner{display:flex;gap:2em;align-items:center;flex-wrap:wrap}
.message .ph{flex:0 0 140px;width:140px;height:140px;border-radius:50%;background:var(--navy2);display:grid;place-items:center;color:var(--yellow);font-size:2.6rem;border:3px solid var(--yellow)}
.message .body{flex:1;min-width:260px}
.message .en{color:var(--yellow);font-weight:800;letter-spacing:.2em;font-size:.78rem}
.message h2{font-size:clamp(1.3rem,3.4vw,1.7rem);font-weight:800;margin:.2em 0 .6em}
.message p{opacity:.95;font-size:.96rem}
.message .sign{margin-top:.9em;font-weight:700;color:var(--yellow)}

/* 保証ストリップ */
.guar{display:flex;gap:.8em;justify-content:center;flex-wrap:wrap;margin-top:1.2em}
.guar .g{background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:.55em 1.3em;font-weight:700;color:var(--navy);font-size:.9rem}
.area-note{text-align:center;color:var(--gray);margin-top:1em;font-size:.92rem}