/* MPソリューション株式会社 共通スタイル */
:root{
  --ink:#16212b;
  --ink-soft:#4a5965;
  --navy:#1f3b9a;
  --navy-deep:#16297a;
  --navy-pale:#e9edf9;
  --paper:#ffffff;
  --mist:#f3f5f9;
  --line:#d6dbe5;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Zen Kaku Gothic New",system-ui,sans-serif;font-size:16px;line-height:1.85;-webkit-text-size-adjust:100%}
a{color:var(--navy)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--navy);outline-offset:2px}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.center{text-align:center;margin-top:28px}

/* ===== ヘッダー ===== */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.logo{display:flex;align-items:center;gap:10px;white-space:nowrap;font-weight:900;font-size:1.08rem;color:var(--ink);text-decoration:none}
.logo .mark{width:30px;height:30px;flex:none}
.nav{display:flex;gap:26px;font-size:.93rem;white-space:nowrap}
.nav a{color:var(--ink);text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-bottom-color:var(--navy)}
.head-cta{display:flex;align-items:center;gap:14px}
.head-tel{display:flex;flex-direction:column;line-height:1.2;font-weight:900;font-size:1.12rem;color:var(--navy);text-decoration:none;white-space:nowrap}
.head-tel span{font-size:.68rem;font-weight:700;color:var(--ink-soft)}
.btn{display:inline-block;white-space:nowrap;font-family:inherit;font-weight:900;font-size:.95rem;text-decoration:none;padding:.75em 1.4em;border-radius:4px;border:0;cursor:pointer;text-align:center}
.btn-solid{background:var(--navy);color:#fff}
.btn-solid:hover{background:var(--navy-deep)}
.btn-white{background:#fff;color:var(--navy)}
.btn-white:hover{background:var(--navy-pale)}
@media (max-width:1000px){.nav{display:none}}
@media (max-width:640px){
  .site-header .wrap{height:58px}
  .logo{font-size:.95rem;gap:8px}.logo .mark{width:24px;height:24px}
  .head-cta .btn{display:none}
  .head-tel{font-size:.92rem}
}

/* ===== ファーストビュー ===== */
.hero{background:linear-gradient(90deg,rgba(22,41,122,.94) 0%,rgba(31,59,154,.82) 45%,rgba(31,59,154,.35) 100%),url(images/hero.jpg) center/cover no-repeat var(--navy);color:#fff}
@media (max-width:640px){.hero{background:linear-gradient(180deg,rgba(22,41,122,.9),rgba(31,59,154,.86)),url(images/hero.jpg) center/cover no-repeat var(--navy)}}
.hero .wrap{padding-top:88px;padding-bottom:96px}
.hero-company{font-size:.95rem;font-weight:700;color:#c8d2f0;margin:0 0 14px}
.hero h1{word-break:auto-phrase;font-size:clamp(1.85rem,4.6vw,3.1rem);line-height:1.4;font-weight:900;margin:0 0 20px;max-width:18em}
.hero-lead{margin:0 0 34px;max-width:38em;color:#dfe5f7;font-size:1.02rem}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px}
.hero-tel{display:flex;flex-direction:column;color:#fff;text-decoration:none;font-weight:900;font-size:clamp(1.7rem,4vw,2.2rem);line-height:1.25;padding-left:18px;border-left:4px solid #fff}
.hero-tel small{font-size:.8rem;font-weight:500;color:#c8d2f0}
.hero .btn-white,.cta-band .btn-white{font-size:1.02rem;padding:.95em 1.8em}
@media (max-width:640px){.hero .wrap{padding-top:44px;padding-bottom:48px}.hero .btn-white{width:100%}}

/* ページ見出し（下層ページ用） */
.page-head{background:var(--navy);color:#fff}
.page-head .wrap{padding-top:44px;padding-bottom:44px}
.page-head h1{margin:0;font-size:clamp(1.6rem,3.6vw,2.3rem);font-weight:900;line-height:1.4}
.page-head p{margin:8px 0 0;color:#c8d2f0}

/* ===== セクション共通 ===== */
section{padding:80px 0}
.alt{background:var(--mist)}
.sec-title{word-break:auto-phrase;font-size:clamp(1.45rem,3vw,1.95rem);font-weight:900;margin:0 0 10px;line-height:1.4}
.sec-lead{color:var(--ink-soft);margin:0 0 36px;max-width:42em}
.text-link{font-weight:700;text-decoration:none;border-bottom:2px solid var(--navy);padding-bottom:1px}
@media (max-width:640px){section{padding:56px 0}}

/* 事業カード */
.biz-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.biz-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-top:4px solid var(--navy);text-decoration:none;color:var(--ink);padding:0 0 20px}
.biz-card:hover{border-color:var(--navy)}
.biz-photo{display:grid;place-items:center;aspect-ratio:4/3;background:var(--navy-pale);color:var(--ink-soft);font-size:.8rem;padding:8px;text-align:center}
.biz-img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;flex:none}
.biz-card h3{font-size:1.15rem;margin:16px 18px 6px;font-weight:900}
.biz-card p{margin:0 18px 14px;font-size:.9rem;color:var(--ink-soft);flex:1}
.biz-card .more{margin:0 18px;font-weight:700;font-size:.9rem;color:var(--navy)}
@media (max-width:960px){.biz-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.biz-grid{grid-template-columns:1fr}}

/* 代表メッセージ */
.message{display:grid;grid-template-columns:1fr 1.5fr;gap:44px;align-items:start}
.quote{font-size:clamp(1.2rem,2.5vw,1.5rem);font-weight:900;line-height:1.6;margin:18px 0 0;word-break:auto-phrase;border-left:4px solid var(--navy);padding-left:18px}
.message p{margin:0 0 14px}
.sign{text-align:right;font-weight:700}
@media (max-width:800px){.message{grid-template-columns:1fr;gap:12px}}

/* 事業所 */
.office-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.office{border:1px solid var(--line);padding:22px 22px 18px;background:#fff}
.office-tag{display:inline-block;margin:0 0 8px;font-size:.75rem;font-weight:700;color:#fff;background:var(--navy);padding:1px 10px;border-radius:2px}
.office h3{margin:0 0 8px;font-size:1.05rem;line-height:1.5}
.office p{margin:0 0 6px;font-size:.92rem}
.office-tel{font-weight:700}
.office iframe{width:100%;aspect-ratio:4/3;border:1px solid var(--line);margin-top:10px;display:block}
@media (max-width:860px){.office-grid{grid-template-columns:1fr}}

/* 施工実績 */
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.work img{width:100%;aspect-ratio:4/3;object-fit:cover}
.work h3{font-size:1rem;margin:10px 0 2px}
.work p{margin:0;font-size:.88rem;color:var(--ink-soft)}
.works-empty{margin:0;padding:20px;background:#fff;color:var(--ink-soft);border:1px solid var(--line)}
@media (max-width:800px){.works{grid-template-columns:1fr}}

/* 表 */
.info-table{width:100%;border-collapse:collapse;font-size:.95rem;background:#fff}
.info-table th,.info-table td{text-align:left;padding:15px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.info-table tr:first-child th,.info-table tr:first-child td{border-top:1px solid var(--line)}
.info-table th{width:9em;color:var(--ink-soft);font-weight:500;background:#fafbfd}
@media (max-width:600px){.info-table th,.info-table td{display:block;width:auto}.info-table th{border-bottom:0;padding-bottom:2px}.info-table td{padding-top:2px}}

/* CTA帯 */
.cta-band{background:var(--navy-deep);color:#fff}
.cta-band p{color:#c8d2f0;margin:0 0 28px}

/* ===== フッター ===== */
.site-footer{background:#0e1730;color:#b5bfdc;font-size:.88rem;padding:44px 0 90px}
.site-footer a{color:#e3e8f7}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
.footer-name{font-weight:900;color:#fff;font-size:1rem;margin:0 0 6px}
.footer-grid p{margin:0}
.footer-grid nav{display:flex;flex-direction:column;gap:6px}
.footer-sub{color:#fff;font-weight:700;margin:0 0 6px}
.copy{text-align:center;margin:32px 0 0;font-size:.8rem}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr}}
@media (min-width:641px){.site-footer{padding-bottom:28px}}

/* スマホ固定ボタン */
.sp-bar{display:none}
@media (max-width:640px){
  .sp-bar{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:30;box-shadow:0 -2px 8px rgba(0,0,0,.12)}
  .sp-bar a{display:block;text-align:center;padding:14px 8px;font-weight:900;text-decoration:none;color:#fff;background:var(--navy)}
  .sp-bar a+a{background:#fff;color:var(--navy)}
}

/* ===== 下層ページ ===== */
.breadcrumb{font-size:.8rem;color:#c8d2f0;margin:0 0 6px}
.breadcrumb a{color:#fff}
.chip-nav{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.chip-nav a{display:inline-block;padding:.45em 1.1em;border:1px solid var(--navy);border-radius:999px;text-decoration:none;font-weight:700;font-size:.9rem;background:#fff}
.chip-nav a:hover{background:var(--navy);color:#fff}
.subnav{padding:24px 0;border-bottom:1px solid var(--line)}

.biz-section{scroll-margin-top:80px}
.biz-head{display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center;margin-bottom:40px}
.biz-head img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.biz-head h2{margin-top:0}
.biz-head .num{display:inline-block;font-size:.8rem;font-weight:700;color:var(--navy);border-bottom:2px solid var(--navy);margin-bottom:10px}
@media (max-width:800px){.biz-head{grid-template-columns:1fr;gap:20px}}

.biz-cols{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.biz-cols h3,.biz-flow h3{font-size:1.1rem;margin:0 0 12px;padding-left:12px;border-left:4px solid var(--navy);line-height:1.5}
.check-list{margin:0;padding:0;list-style:none}
.check-list li{position:relative;padding:8px 0 8px 26px;border-bottom:1px dashed var(--line);font-size:.95rem}
.check-list li::before{content:"";position:absolute;left:4px;top:15px;width:10px;height:6px;border-left:2px solid var(--navy);border-bottom:2px solid var(--navy);transform:rotate(-45deg)}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.tag-list li{background:var(--navy-pale);color:var(--navy-deep);font-size:.88rem;font-weight:700;padding:.35em .9em;border-radius:3px}
.note{font-size:.85rem;color:var(--ink-soft);margin:12px 0 0}
@media (max-width:800px){.biz-cols{grid-template-columns:1fr}}

.biz-flow{margin-top:40px}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:12px;counter-reset:st}
.steps li{counter-increment:st;background:#fff;border:1px solid var(--line);padding:16px 14px;font-size:.88rem;position:relative}
.steps li::before{content:counter(st);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--navy);color:#fff;font-weight:900;margin-bottom:8px}
.steps strong{display:block;font-size:.98rem;margin-bottom:2px}
@media (max-width:900px){.steps{grid-template-columns:1fr}.steps li{display:grid;grid-template-columns:28px 1fr;column-gap:12px}.steps li::before{grid-row:span 2;margin:0}}

.photo-ph{display:grid;place-items:center;aspect-ratio:16/7;background:var(--navy-pale);color:var(--ink-soft);font-size:.88rem;margin-top:32px;border:1px dashed #b9c3e3;text-align:center;padding:8px}
.link-box{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}
.link-box a{display:block;border:2px solid var(--navy);padding:18px 20px;text-decoration:none;color:var(--ink);background:#fff}
.link-box a:hover{background:var(--navy-pale)}
.link-box strong{display:block;color:var(--navy);font-size:1.05rem}
.link-box span{font-size:.88rem;color:var(--ink-soft)}
@media (max-width:700px){.link-box{grid-template-columns:1fr}}

/* 沿革 */
.history{list-style:none;margin:0;padding:0;border-left:2px solid var(--navy);margin-left:6px}
.history li{position:relative;padding:0 0 28px 28px}
.history li:last-child{padding-bottom:0}
.history li::before{content:"";position:absolute;left:-7px;top:9px;width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid var(--navy)}
.history time{display:block;font-weight:900;color:var(--navy)}
.history p{margin:2px 0 0}

.policies{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px}
.policies h3{margin:0 0 6px;font-size:1.05rem;padding-top:12px;border-top:2px solid var(--ink)}
.policies p{margin:0;font-size:.95rem;color:var(--ink-soft)}
@media (max-width:800px){.policies{grid-template-columns:1fr}}

/* アクセス */
.access-list{display:grid;gap:40px}
.access-item{display:grid;grid-template-columns:1fr 1.3fr;gap:28px;align-items:start;scroll-margin-top:80px}
.access-item iframe{width:100%;aspect-ratio:4/3;border:1px solid var(--line);display:block}
.access-item h2{margin-top:0}
@media (max-width:800px){.access-item{grid-template-columns:1fr;gap:14px}}

/* お問い合わせ */
.contact-layout{display:grid;grid-template-columns:1fr 1.6fr;gap:44px;align-items:start}
.tel-box{background:var(--mist);border-top:4px solid var(--navy);padding:22px}
.tel-box h2{font-size:1.1rem;margin:0 0 6px}
.tel-box .big{display:block;font-size:1.9rem;font-weight:900;color:var(--navy);text-decoration:none;line-height:1.3}
.tel-box p{margin:4px 0;font-size:.9rem}
.tel-box hr{border:0;border-top:1px solid var(--line);margin:16px 0}
.form label,.form legend{display:block;font-size:.92rem;margin:0 0 6px;font-weight:700}
.form .req{font-size:.7rem;background:#c62f2f;color:#fff;padding:1px 6px;border-radius:2px;margin-left:8px;vertical-align:2px}
.form .opt{font-size:.7rem;background:var(--line);color:var(--ink-soft);padding:1px 6px;border-radius:2px;margin-left:8px;vertical-align:2px}
.form input[type=text],.form input[type=tel],.form input[type=email],.form select,.form textarea{width:100%;font:inherit;padding:.7em .85em;border:1px solid #b9c3d6;border-radius:4px;margin-bottom:20px;background:#fff;color:var(--ink)}
.form fieldset{border:0;padding:0;margin:0 0 20px}
.form .choice{display:inline-flex;align-items:center;gap:6px;margin:0 22px 6px 0;font-weight:500}
.form .choice input{width:18px;height:18px;margin:0}
.form textarea{min-height:160px}
.form .agree{display:flex;align-items:center;gap:8px;font-weight:500;margin:4px 0 24px}
.form .btn-solid{font-size:1.05rem;padding:1em 2.4em}
@media (max-width:860px){.contact-layout{grid-template-columns:1fr}.form .btn-solid{width:100%}}
.form .hp{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* プライバシーポリシー */
.policy-text{max-width:46em}
.policy-text h2{font-size:1.15rem;margin:36px 0 8px}
.policy-text p,.policy-text li{font-size:.95rem}

/* 幅の狭いスマホ：ヘッダーの電話番号は下部の固定ボタンに任せる */
@media (max-width:400px){.head-tel{display:none}.logo{font-size:1rem}}