/* ============================================================
   ProSol サイト共通スタイル
   ============================================================ */
:root{
  --ink:#2b3a4a; --head:#1f3348; --muted:#6a7c8f;
  --bg:#ffffff; --soft:#f2f8fc; --soft2:#eaf4fb; --card:#ffffff;
  --line:#e5eef5;
  --blue:#4a9fd4; --blue-d:#3283bb; --teal:#5ec6b4; --teal-d:#3aa593; --coral:#f39189;
  --maxw:1120px;
  --shadow:0 8px 26px rgba(74,124,164,.10);
  --shadow-lg:0 20px 46px rgba(58,110,150,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--bg);
  font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP","Yu Gothic",Meiryo,system-ui,sans-serif;
  line-height:1.9;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.narrow{max-width:780px;margin:0 auto;padding:0 24px}
.center{text-align:center}
.eyebrow{color:var(--teal-d);font-weight:700;letter-spacing:.1em;font-size:.8rem;margin:0 0 .6rem}
h2.sec{font-size:clamp(1.4rem,3vw,2rem);line-height:1.5;margin:0 0 .5rem;color:var(--head);letter-spacing:.01em}
.sec-lead{color:var(--muted);margin:0 0 2rem;max-width:640px}
.center .sec-lead{margin-left:auto;margin-right:auto}
section.block{padding:74px 0}
.soft-bg{background:var(--soft)}

/* buttons */
.btn{padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;display:inline-flex;align-items:center;gap:8px;transition:.16s;cursor:pointer}
.btn.primary{background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;box-shadow:0 10px 24px rgba(74,159,212,.3)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(74,159,212,.38)}
.btn.ghost{border:1px solid #cfe1ee;color:var(--blue-d);background:#fff}
.btn.ghost:hover{background:var(--soft)}

/* ---- logo / brand ---- */
.brand{display:flex;align-items:center;gap:11px}
.brand .word{font-weight:800;font-size:1.32rem;letter-spacing:.01em;color:var(--head);line-height:1}
.brand .word span{color:var(--blue-d)}
.brand small{display:block;font-weight:600;font-size:.6rem;color:#9db2c4;letter-spacing:.22em;margin-top:3px}

/* ---- header / nav ---- */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.menu{display:flex;gap:28px;align-items:center}
.menu a{color:var(--ink);font-size:.9rem;font-weight:600}
.menu a:hover,.menu a.active{color:var(--blue-d)}
.menu .cta{background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;padding:10px 20px;border-radius:999px;box-shadow:0 6px 16px rgba(74,159,212,.28)}
.menu .cta:hover{color:#fff;filter:brightness(1.04)}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2px;background:var(--head);margin:5px 0;transition:.2s}

/* ---- breadcrumb ---- */
.crumb{background:var(--soft);border-bottom:1px solid var(--line)}
.crumb .wrap{padding:12px 24px;font-size:.8rem;color:var(--muted)}
.crumb a:hover{color:var(--blue-d)}

/* ---- page head (centered light hero: hub / company / inquiry) ---- */
.pagehead{background:
   radial-gradient(760px 380px at 85% -20%,rgba(94,198,180,.20),transparent 62%),
   radial-gradient(600px 300px at 5% 10%,rgba(74,159,212,.14),transparent 60%),
   linear-gradient(180deg,#fbfdff,#eef7fc);text-align:center}
.pagehead .wrap{padding:62px 24px 54px}
.pagehead h1{font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.34;margin:.4rem 0 14px;color:var(--head)}
.pagehead p{color:#546678;margin:0 auto;max-width:600px}

/* ============================================================
   TOP (index.html)
   ============================================================ */
.hero{position:relative;background:
   radial-gradient(900px 460px at 82% -8%,rgba(94,198,180,.22),transparent 62%),
   radial-gradient(760px 420px at 6% 12%,rgba(74,159,212,.16),transparent 60%),
   linear-gradient(180deg,#fbfdff,#eef7fc);overflow:hidden}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .95fr;gap:44px;align-items:center;padding:74px 24px 84px}
.badge-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:22px}
.chip{border:1px solid #d3e6f2;color:var(--blue-d);font-size:.74rem;font-weight:700;padding:5px 13px;border-radius:999px;background:#fff}
.hero h1{font-size:clamp(2rem,4.5vw,3.05rem);line-height:1.34;margin:0 0 20px;color:var(--head)}
.hero h1 .hl{background:linear-gradient(120deg,var(--blue-d),var(--teal-d));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:#546678;font-size:1.05rem;margin:0 0 30px;max-width:520px}
.btns{display:flex;gap:13px;flex-wrap:wrap}
.hero-right{position:relative}
.visual{position:absolute;inset:-30px -10px auto auto;width:230px;opacity:.9;z-index:0}
.pcard{position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:var(--shadow-lg)}
.pcard .who{display:flex;align-items:center;gap:15px;margin-bottom:16px}
.pcard .avatar{width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--teal));display:grid;place-items:center;font-size:1.4rem;font-weight:800;color:#fff}
.pcard .who b{display:block;color:var(--head);font-size:1.12rem}
.pcard .who span{color:var(--muted);font-size:.8rem}
.pcard ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.pcard li{display:flex;gap:10px;color:#4b5d6f;font-size:.89rem;line-height:1.5}
.pcard li i{color:var(--teal-d);font-style:normal;font-weight:900}
.stats{display:flex;margin-top:20px;border-top:1px solid var(--line);padding-top:16px}
.stats div{flex:1;text-align:center}
.stats b{display:block;color:var(--blue-d);font-size:1.42rem;line-height:1.1}
.stats span{color:var(--muted);font-size:.7rem}

.trust{background:var(--soft)}
.trust .wrap{display:flex;flex-wrap:wrap;gap:10px 12px;justify-content:center;align-items:center;padding:18px 24px;font-size:.86rem;color:#5a6d7f}
.trust b{color:var(--head);font-weight:700}
.trust .arw{color:var(--teal);font-weight:900}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}

.fcard{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow);transition:.18s;display:flex;flex-direction:column}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#cfe6f4}
.fcard .ic{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;font-size:1.4rem}
.fcard h3{margin:0 0 8px;font-size:1.14rem;color:var(--head)}
.fcard p{margin:0 0 16px;color:var(--muted);font-size:.91rem;flex:1}
.fcard .more{color:var(--blue-d);font-weight:700;font-size:.87rem}
.tag{display:inline-block;font-size:.7rem;font-weight:700;color:var(--teal-d);background:#e5f6f2;padding:3px 10px;border-radius:999px;margin-bottom:14px;align-self:flex-start}

.expertise{background:linear-gradient(180deg,#fff,var(--soft))}
.erow{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;display:flex;gap:15px;align-items:flex-start;box-shadow:0 4px 14px rgba(74,124,164,.05)}
.erow .n{color:var(--teal-d);font-weight:900;font-size:1.02rem;min-width:32px}
.erow h4{margin:0 0 4px;font-size:1rem;color:var(--head)}
.erow p{margin:0;color:var(--muted);font-size:.87rem}

.story{background:var(--soft2)}
.story .wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center}
.story p{color:#4b5d6f}
.cflow{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:12px}
.cflow li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px 16px;display:flex;align-items:center;gap:14px;box-shadow:0 3px 10px rgba(74,124,164,.05)}
.cflow .step{width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;font-size:.78rem;font-weight:800;display:grid;place-items:center;flex:none}
.cflow b{color:var(--head)}
.cflow .role{color:var(--muted);font-size:.82rem;margin-left:auto;text-align:right}

/* ============================================================
   CEO (ceo.html)
   ============================================================ */
.phero{background:
   radial-gradient(760px 380px at 85% -20%,rgba(94,198,180,.20),transparent 62%),
   linear-gradient(180deg,#fbfdff,#eef7fc)}
.phero .wrap{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:center;padding:60px 24px 64px}
.phero h1{font-size:clamp(1.8rem,4vw,2.7rem);line-height:1.34;margin:.4rem 0 16px;color:var(--head)}
.phero>.wrap>div>p{color:#546678;margin:0;max-width:520px}
.idcard{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;text-align:center;box-shadow:var(--shadow-lg)}
.idcard .ava{width:168px;height:200px;border-radius:18px;margin:0 auto 16px;overflow:hidden;box-shadow:0 8px 20px rgba(58,110,150,.18)}
.idcard .ava img{width:100%;height:100%;object-fit:cover;object-position:center top;display:block}
.idcard b{display:block;color:var(--head);font-size:1.35rem;line-height:1.3}
.idcard .en{color:var(--muted);font-size:.76rem;letter-spacing:.12em;margin-bottom:10px}
.idcard .role{display:inline-block;font-size:.78rem;font-weight:700;color:var(--blue-d);background:#e7f3fb;padding:5px 14px;border-radius:999px}
.idcard .cred{margin:14px 0 0;padding-top:14px;border-top:1px solid var(--line);color:var(--head);font-weight:700;font-size:.86rem;line-height:1.5}
.idcard .cred small{color:var(--muted);font-weight:600;font-size:.74rem}

.lead-q{font-size:1.28rem;line-height:1.9;color:var(--head);font-weight:700;border-left:4px solid var(--teal);padding-left:20px;margin:0 0 28px}
.essay p{margin:0 0 1.3em;color:#41525f}
.msub{color:var(--head);font-size:1.16rem;margin:38px 0 12px;padding-left:14px;border-left:4px solid var(--blue)}
.points{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:26px 0}
.pt{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow)}
.pt .no{color:var(--blue-d);font-weight:900;font-size:.9rem}
.pt b{display:block;color:var(--head);margin:6px 0 4px;font-size:1.02rem}
.pt span{color:var(--muted);font-size:.86rem}
.closing{background:linear-gradient(135deg,#eaf4fb,#e5f6f2);border-radius:18px;padding:26px 28px;text-align:center;font-weight:700;color:var(--head);font-size:1.12rem}
.sign{text-align:right;font-weight:700;color:var(--head);margin:22px 0 0}
.boxer{max-width:760px;margin:20px 0 0;color:#9db0c0;font-size:.82rem}

.career{list-style:none;margin:0;padding:0;max-width:760px}
.career li{position:relative;padding:0 0 26px 34px;border-left:2px solid #cfe4f2}
.career li:last-child{border-left-color:transparent;padding-bottom:0}
.career li::before{content:"";position:absolute;left:-9px;top:2px;width:16px;height:16px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--teal));border:3px solid #fff;box-shadow:0 0 0 1px #cfe4f2}
.career b{color:var(--head);font-size:1.06rem}
.career .role{color:var(--muted);font-size:.9rem;display:block}
.career .now{display:inline-block;font-size:.7rem;font-weight:700;color:#fff;background:var(--teal-d);padding:2px 10px;border-radius:999px;margin-left:8px;vertical-align:middle}

/* facts / definition table (ceo & company) */
.facts{max-width:820px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.facts dl{display:grid;grid-template-columns:190px 1fr;margin:0}
.facts dt{background:var(--soft);color:var(--head);font-weight:700;padding:14px 20px;font-size:.9rem;border-bottom:1px solid var(--line)}
.facts dd{margin:0;padding:14px 20px;font-size:.92rem;border-bottom:1px solid var(--line);color:#41525f}
.facts dl:last-child dt,.facts dl:last-child dd{border-bottom:none}

/* ============================================================
   HUB (hub.html)
   ============================================================ */
.searchbar{max-width:560px;margin:26px auto 0;display:flex;background:#fff;border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow);overflow:hidden}
.searchbar input{flex:1;border:0;outline:0;padding:15px 22px;font-size:1rem;color:var(--ink);background:transparent;font-family:inherit}
.searchbar button{border:0;background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;font-weight:700;padding:0 26px;cursor:pointer;font-size:.95rem}
.hint{color:#9db0c0;font-size:.78rem;margin-top:12px}

.ccard{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow);transition:.18s;display:flex;flex-direction:column}
.ccard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#cfe6f4}
.ccard .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:1.5rem;margin-bottom:16px}
.ccard h3{margin:0 0 4px;font-size:1.2rem;color:var(--head)}
.ccard .cnt{color:var(--teal-d);font-weight:700;font-size:.8rem;margin-bottom:10px}
.ccard p{margin:0 0 18px;color:var(--muted);font-size:.92rem;flex:1}
.ccard .more{color:var(--blue-d);font-weight:700;font-size:.9rem}

.dict-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:26px}
.dcat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;display:flex;align-items:center;gap:12px;transition:.15s}
.dcat:hover{border-color:var(--blue);background:var(--soft)}
.dcat.active{border-color:var(--blue);background:var(--soft);box-shadow:0 0 0 2px rgba(74,159,212,.25)}
.dcat .dot{width:10px;height:10px;border-radius:50%;flex:none}
.dcat b{color:var(--head);font-size:.95rem}
.dcat span{color:var(--muted);font-size:.78rem;margin-left:auto}

.terms{display:flex;flex-wrap:wrap;gap:10px;min-height:44px}
.term{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:.88rem;color:var(--ink);transition:.14s}
.term:hover{border-color:var(--blue);color:var(--blue-d);background:var(--soft)}
.noresult{color:var(--muted);font-size:.9rem}

.grid-art{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.art{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 4px 14px rgba(74,124,164,.05);transition:.15s}
.art:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfe6f4}
.art .thumb{width:74px;height:74px;border-radius:12px;flex:none;display:grid;place-items:center;font-size:1.5rem}
.art .meta{font-size:.72rem;color:var(--teal-d);font-weight:700;margin-bottom:3px}
.art h4{margin:0 0 4px;font-size:1rem;color:var(--head);line-height:1.45}
.art p{margin:0;color:var(--muted);font-size:.82rem}
.art .date{color:#9db0c0;font-size:.72rem;margin-top:4px}

/* ============================================================
   COMPANY / 沿革
   ============================================================ */
.history{list-style:none;margin:0;padding:0;max-width:820px}
.history li{position:relative;padding:0 0 22px 90px;border-left:2px solid #cfe4f2;margin-left:70px}
.history li:last-child{border-left-color:transparent;padding-bottom:0}
.history li::before{content:"";position:absolute;left:-9px;top:4px;width:16px;height:16px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--teal));border:3px solid #fff;box-shadow:0 0 0 1px #cfe4f2}
.history .yr{position:absolute;left:-70px;top:0;width:64px;text-align:right;color:var(--blue-d);font-weight:800;font-size:.92rem}
.history b{color:var(--head)}
.history span{color:var(--muted);font-size:.88rem;display:block}

/* ============================================================
   INQUIRY / form
   ============================================================ */
.formwrap{max-width:720px;margin:0 auto}
.field{margin-bottom:20px}
.field label{display:block;font-weight:700;color:var(--head);font-size:.9rem;margin-bottom:7px}
.field .req{color:var(--coral);font-size:.76rem;margin-left:6px}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px 16px;font-size:.98rem;font-family:inherit;color:var(--ink);background:#fff;outline:0;transition:.15s}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(74,159,212,.15)}
.field textarea{min-height:150px;resize:vertical}
.formnote{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:16px 18px;color:var(--muted);font-size:.84rem;margin-bottom:26px}
.submit-row{text-align:center;margin-top:8px}
.privacy{font-size:.82rem;color:var(--muted);text-align:center;margin-top:16px}

/* ============================================================
   CTA / footer
   ============================================================ */
.cta-band{background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;text-align:center;padding:60px 0}
.cta-band h2{font-size:clamp(1.4rem,3vw,2rem);margin:0 0 12px}
.cta-band p{color:#eaf7fb;margin:0 0 24px}
.cta-band .btn{background:#fff;color:var(--blue-d);box-shadow:0 10px 24px rgba(0,0,0,.12)}
.cta-band .btn:hover{transform:translateY(-2px)}

footer{background:#fff;border-top:1px solid var(--line);color:#6a7c8f;padding:52px 0 30px;font-size:.88rem}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px;margin-bottom:30px}
footer h5{color:var(--head);font-size:.94rem;margin:0 0 12px}
footer a{display:block;color:#6a7c8f;padding:4px 0}
footer a:hover{color:var(--blue-d)}
.copy{border-top:1px solid var(--line);padding-top:20px;color:#9db0c0;font-size:.8rem}

/* ============================================================
   responsive
   ============================================================ */
@media(max-width:880px){
  .hero .wrap{grid-template-columns:1fr;padding-top:52px;padding-bottom:56px}
  .visual{display:none}
  .phero .wrap{grid-template-columns:1fr;gap:26px}
  .story .wrap{grid-template-columns:1fr;gap:28px}
  .grid3,.grid2,.grid-art,.dict-cats,.points{grid-template-columns:1fr}
  .facts dl{grid-template-columns:120px 1fr}
  .menu{position:absolute;top:70px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:14px 24px;gap:14px;display:none;box-shadow:var(--shadow)}
  .menu.open{display:flex}
  .burger{display:block}
  .history li{margin-left:0;padding-left:34px}
  .history .yr{position:static;width:auto;text-align:left;display:block;margin-bottom:2px}
}