/* ヒューマン・アクシア 提案サイト */
:root{
  --navy:#0b1f3a; --navy2:#12305a; --ink:#16243a; --muted:#5a6880;
  --line:#dbe2ec; --bg:#f4f7fb; --white:#fff;
  --wave:#0fa3c2; --wave-soft:#e3f5f9;
  --sun:#f0a20f;  --sun-soft:#fff3d9;
  --radius:14px; --shadow:0 10px 30px rgba(11,31,58,.08);
  --en:"Barlow","Noto Sans JP",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans JP",system-ui,sans-serif;color:var(--ink);background:var(--white);line-height:1.85;font-size:16px;-webkit-text-size-adjust:100%}
img,svg{max-width:100%;display:block}
a{color:var(--navy2)}
.wrap{width:min(1120px,100% - 32px);margin-inline:auto}
.en{font-family:var(--en);letter-spacing:.08em}

/* 提案の帯 */
.proposal{background:#1b1b1b;color:#fff;font-size:12.5px;text-align:center;padding:6px 12px;line-height:1.6}
.proposal b{color:var(--sun)}
.notice{background:var(--sun-soft);color:#6b4500;font-size:14px;text-align:center;padding:8px 16px;border-bottom:1px solid #f3dca6}
.notice[hidden]{display:none}

/* ヘッダー */
.hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.hd .wrap{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);flex-shrink:0}
.logo svg{width:40px;height:40px}
.logo .t1{font-family:var(--en);font-weight:700;font-size:19px;letter-spacing:.14em;line-height:1}
.logo .t2{font-size:11px;color:var(--muted);letter-spacing:.06em;line-height:1.4;margin-top:3px}
.gnav{margin-left:auto;display:flex;gap:2px;align-items:center}
.gnav a{text-decoration:none;color:var(--ink);font-size:14.5px;font-weight:500;padding:8px 12px;border-radius:8px;white-space:nowrap}
.gnav a:hover,.gnav a[aria-current=page]{background:var(--bg);color:var(--navy2)}
.hd-tel{display:flex;flex-direction:column;align-items:flex-end;text-decoration:none;color:var(--navy);line-height:1.2}
.hd-tel b{font-family:var(--en);font-size:20px;letter-spacing:.04em}
.hd-tel small{font-size:11px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;text-decoration:none;border:2px solid transparent;font-size:15px;cursor:pointer;font-family:inherit;line-height:1.4}
.btn-main{background:var(--navy);color:#fff}
.btn-main:hover{background:var(--navy2)}
.btn-sun{background:var(--sun);color:#2b1c00}
.btn-line{border-color:currentColor;color:var(--navy);background:transparent}
.btn-white{background:#fff;color:var(--navy)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;width:46px;height:42px;cursor:pointer}
.menu-btn span{display:block;width:20px;height:2px;background:var(--navy);margin:4px auto}

@media (max-width:1060px){
  .hd-tel{display:none}
}
@media (max-width:900px){
  .menu-btn{display:block}
  .gnav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:8px 16px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .gnav.open{display:flex}
  .gnav a{padding:13px 8px;border-bottom:1px solid var(--bg);font-size:16px}
  .gnav .btn{margin-top:10px}
}

/* ヒーロー */
.hero{background:linear-gradient(160deg,var(--navy) 0%,#0f2c52 55%,#123a63 100%);color:#fff;overflow:hidden;position:relative}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:32px;align-items:center;padding:64px 0 56px}
.hero .kicker{font-family:var(--en);font-size:13px;letter-spacing:.3em;color:var(--wave)}
.hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.35;margin:.3em 0 .4em;font-weight:800;letter-spacing:.02em}
.hero h1 em{font-style:normal;color:var(--sun)}
.hero p.lead{color:#cfdbea;font-size:16.5px;margin:0 0 26px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 28px;padding:0;list-style:none}
.chips li{font-size:13px;border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:4px 12px;color:#e7eef7}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-art{width:100%}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr;padding:40px 0}.hero-art{max-width:520px;margin:0 auto}}

/* 数字の帯 */
.stats{background:#fff;border-bottom:1px solid var(--line)}
.stats ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr)}
.stats li{padding:26px 16px;text-align:center;border-left:1px solid var(--line)}
.stats li:first-child{border-left:0}
.stats b{display:block;font-family:var(--en);font-size:clamp(28px,3.6vw,40px);color:var(--navy);line-height:1.1;font-weight:700}
.stats b small{font-size:.45em;margin-left:2px;font-family:"Noto Sans JP";font-weight:700}
.stats span{font-size:13px;color:var(--muted)}
@media (max-width:700px){.stats ul{grid-template-columns:1fr 1fr}.stats li:nth-child(3){border-left:0}.stats li{border-top:1px solid var(--line)}.stats li:nth-child(-n+2){border-top:0}}

/* セクション */
.sec{padding:84px 0}
.sec.alt{background:var(--bg)}
.sec.dark{background:var(--navy);color:#fff}
.ttl{margin:0 0 36px}
.ttl .en{display:block;font-size:13px;color:var(--wave);font-weight:700;letter-spacing:.28em;text-transform:uppercase}
.ttl h2{font-size:clamp(24px,3vw,34px);line-height:1.45;margin:.2em 0 0;font-weight:800}
.ttl p{color:var(--muted);margin:.8em 0 0;max-width:46em}
.sec.dark .ttl p{color:#c4d2e4}
.center{text-align:center}.center p{margin-inline:auto}
@media (max-width:700px){.sec{padding:56px 0}}

/* 2本柱 */
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.pillar{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}
.pillar .head{padding:26px 28px 18px;color:#fff;display:flex;gap:16px;align-items:center}
.pillar.telecom .head{background:linear-gradient(120deg,#0b6f88,var(--wave))}
.pillar.energy .head{background:linear-gradient(120deg,#c47a00,var(--sun))}
.pillar .head svg{width:54px;height:54px;flex-shrink:0}
.pillar .head small{display:block;font-family:var(--en);letter-spacing:.2em;font-size:12px;opacity:.9}
.pillar .head h3{margin:0;font-size:22px;line-height:1.4}
.pillar .body{padding:20px 28px 28px;flex:1;display:flex;flex-direction:column}
.pillar ul{list-style:none;margin:0 0 18px;padding:0}
.pillar li{padding:12px 0;border-bottom:1px dashed var(--line);display:flex;gap:10px}
.pillar li b{display:block;font-size:15.5px}
.pillar li span{font-size:13.5px;color:var(--muted);line-height:1.7}
.pillar li::before{content:"";width:8px;height:8px;border-radius:50%;margin-top:10px;flex-shrink:0;background:var(--wave)}
.pillar.energy li::before{background:var(--sun)}
.pillar .more{margin-top:auto}
@media (max-width:820px){.pillars{grid-template-columns:1fr}}

/* カード */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:8px;transition:transform .2s,box-shadow .2s}
a.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .ic{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:var(--wave-soft);color:#0b6f88}
.card .ic.sun{background:var(--sun-soft);color:#a86a00}
.card .ic svg{width:28px;height:28px}
.card h3{margin:6px 0 0;font-size:18px;line-height:1.5}
.card p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.8}
.card .go{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--navy2)}

/* 図の解説 */
.diagram{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.diagram .fig{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.diagram ol{list-style:none;margin:0;padding:0;counter-reset:n}
.diagram li{counter-increment:n;display:grid;grid-template-columns:38px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.diagram li::before{content:counter(n);width:32px;height:32px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-family:var(--en);font-weight:700}
.diagram li b{display:block}
.diagram li span{font-size:14px;color:var(--muted);line-height:1.7}
.diagram.sun li::before{background:#c47a00}
@media (max-width:860px){.diagram{grid-template-columns:1fr}}

/* 実績 */
.works-tools{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px;align-items:center}
.ftab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 16px;font-size:14px;cursor:pointer;font-family:inherit;color:var(--ink)}
.ftab[aria-pressed=true]{background:var(--navy);color:#fff;border-color:var(--navy)}
.works-tools select{margin-left:auto;padding:8px 12px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:14px;background:#fff}
.wcount{font-size:13.5px;color:var(--muted);margin:0 0 10px}
.wtable{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 1px 0 var(--line)}
.wtable th,.wtable td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top}
.wtable th{background:var(--navy);color:#fff;font-weight:600;font-size:13.5px}
.wtable td.ym{font-family:var(--en);white-space:nowrap;color:var(--muted)}
.wtable td.size{font-family:var(--en);font-weight:700;color:var(--navy);white-space:nowrap}
.tag{display:inline-block;font-size:12px;border-radius:6px;padding:2px 8px;white-space:nowrap;font-weight:600}
.tag.telecom{background:var(--wave-soft);color:#0b6f88}
.tag.energy{background:var(--sun-soft);color:#8a5600}
@media (max-width:700px){
  .wtable thead{display:none}
  .wtable,.wtable tbody,.wtable tr,.wtable td{display:block;width:100%}
  .wtable tr{padding:14px 16px;border-bottom:1px solid var(--line)}
  .wtable td{border:0;padding:2px 0}
  .wtable td.ym{display:inline-block;width:auto;margin-right:10px}
  .wtable td.cat{display:inline-block;width:auto}
  .wtable td.title{font-weight:700;font-size:16px;margin-top:4px}
  .works-tools select{margin-left:0;width:100%}
}

/* エリア */
.areas{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.area{background:#fff;border-radius:12px;padding:16px;border:1px solid var(--line)}
.area b{display:block;font-size:13px;color:var(--muted);font-weight:600}
.area span{font-size:16px;font-weight:700}

/* 表（会社概要など） */
.dl{width:100%;border-collapse:collapse;background:#fff}
.dl th,.dl td{padding:18px 20px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:15.5px}
.dl th{width:200px;background:var(--bg);font-weight:600;color:var(--navy)}
.dl ul{margin:0;padding-left:1.2em}
@media (max-width:640px){.dl th,.dl td{display:block;width:100%}.dl th{padding:12px 16px 6px;border-bottom:0}.dl td{padding:4px 16px 16px}}

.qual{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}
.qual div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.qual b{font-size:15px;line-height:1.5}
.qual span{font-family:var(--en);font-size:30px;font-weight:700;color:var(--navy);white-space:nowrap}
.qual span small{font-size:13px;font-family:"Noto Sans JP"}
.qual .hl{border-color:var(--wave);background:var(--wave-soft)}

.clients{display:flex;flex-wrap:wrap;gap:12px;list-style:none;padding:0;margin:0}
.clients li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 22px;font-weight:600}

/* メッセージ */
.message{display:grid;grid-template-columns:1fr 1.4fr;gap:48px;align-items:center}
.message blockquote{margin:0;font-size:clamp(20px,2.4vw,27px);line-height:1.7;font-weight:700}
.message blockquote em{font-style:normal;color:var(--sun)}
.message p{color:#c4d2e4}
@media (max-width:820px){.message{grid-template-columns:1fr;gap:20px}}

/* お知らせ */
.news{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.news li{border-bottom:1px solid var(--line)}
.news a,.news .row{display:grid;grid-template-columns:110px 100px 1fr;gap:12px;padding:18px 4px;text-decoration:none;color:inherit;align-items:baseline}
.news time{font-family:var(--en);color:var(--muted)}
.news .c{font-size:12px;background:var(--bg);border-radius:6px;padding:2px 8px;text-align:center}
.news p{grid-column:3;margin:4px 0 0;color:var(--muted);font-size:14.5px}
@media (max-width:640px){.news a,.news .row{grid-template-columns:auto auto;}.news .t,.news p{grid-column:1/-1}}

/* 採用 */
.jobs{display:grid;gap:16px}
.job{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;display:grid;grid-template-columns:1fr auto;gap:8px 20px;align-items:center}
.job h3{margin:0;font-size:19px}
.job p{margin:0;color:var(--muted);font-size:14.5px;grid-column:1}
.job .st{grid-row:1/span 3;grid-column:2;font-weight:700;font-size:13px;border-radius:999px;padding:6px 14px;background:var(--wave);color:#fff;white-space:nowrap}
.job.off{opacity:.6}.job.off .st{background:#9aa6b8}
.job .meta{font-size:13px;color:var(--navy2);font-weight:600}
@media (max-width:640px){.job{grid-template-columns:1fr}.job .st{grid-row:auto;grid-column:1;justify-self:start}}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;counter-reset:s;list-style:none;padding:0;margin:0}
.steps li{background:#fff;border-radius:12px;padding:22px 18px;border:1px solid var(--line);counter-increment:s;position:relative}
.steps li::before{content:"STEP " counter(s);font-family:var(--en);font-size:12px;color:var(--wave);font-weight:700;letter-spacing:.15em;display:block}
.steps b{display:block;margin:4px 0;font-size:16px}
.steps span{font-size:14px;color:var(--muted);line-height:1.7}

.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px}
.faq summary{padding:18px 20px;font-weight:700;cursor:pointer;list-style:none}
.faq summary::before{content:"Q.";font-family:var(--en);color:var(--wave);margin-right:10px}
.faq details p{margin:0;padding:0 20px 18px 50px;color:var(--muted)}

/* CTA */
.cta-band{background:linear-gradient(120deg,var(--navy),#123a63);color:#fff;border-radius:20px;padding:44px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.cta-band h2{margin:0 0 6px;font-size:clamp(20px,2.6vw,28px)}
.cta-band p{margin:0;color:#c4d2e4}
.cta-band .acts{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .tel{font-family:var(--en);font-size:28px;font-weight:700;color:#fff;text-decoration:none;letter-spacing:.04em}
@media (max-width:820px){.cta-band{grid-template-columns:1fr;padding:30px 22px}}

/* 下層ページの見出し */
.ph{background:linear-gradient(150deg,var(--navy),#123a63);color:#fff;padding:52px 0 44px}
.ph .en{font-size:13px;color:var(--wave);letter-spacing:.28em;font-weight:700;text-transform:uppercase}
.ph h1{margin:.2em 0 0;font-size:clamp(26px,3.6vw,38px);line-height:1.4}
.ph p{margin:.6em 0 0;color:#c4d2e4;max-width:44em}
.crumb{font-size:12.5px;color:#9fb3cc;margin-bottom:14px}
.crumb a{color:#9fb3cc}

.two{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
@media (max-width:820px){.two{grid-template-columns:1fr;gap:24px}}
.box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.box h3{margin:0 0 10px;font-size:19px}
.note{font-size:13px;color:var(--muted)}
.mark{background:linear-gradient(transparent 62%,var(--sun-soft) 62%)}
.lead-text{font-size:17px;line-height:2}

/* フォーム */
.form{display:grid;gap:18px;max-width:760px}
.form label{display:block;font-weight:700;font-size:15px;margin-bottom:6px}
.form .req{font-size:11px;background:#d64545;color:#fff;border-radius:4px;padding:1px 6px;margin-left:6px;vertical-align:2px}
.form input[type=text],.form input[type=email],.form input[type=tel],.form textarea,.form select{width:100%;padding:13px 14px;border:1px solid #c9d3e0;border-radius:10px;font-size:16px;font-family:inherit;background:#fff}
.form textarea{min-height:170px}
.radios{display:flex;flex-wrap:wrap;gap:8px}
.radios label{font-weight:500;border:1px solid #c9d3e0;border-radius:10px;padding:10px 14px;cursor:pointer;margin:0;display:flex;gap:6px;align-items:center}
.radios input:checked + span{color:var(--navy);font-weight:700}
.form .done{background:var(--wave-soft);border-radius:12px;padding:18px;display:none}

/* フッター */
.ft{background:#081629;color:#b7c4d6;padding:56px 0 110px;font-size:14px}
.ft .wrap{display:grid;grid-template-columns:1.3fr 2fr;gap:40px}
.ft .logo{color:#fff}.ft .logo .t2{color:#8fa1ba}
.ft address{font-style:normal;margin-top:16px;line-height:1.9}
.ft nav{display:grid;grid-template-columns:repeat(3,1fr);gap:6px 20px}
.ft nav a{color:#d9e2ee;text-decoration:none;padding:3px 0}
.ft nav a:hover{color:#fff;text-decoration:underline}
.ft .copy{grid-column:1/-1;border-top:1px solid #1e3150;padding-top:18px;font-size:12px;color:#7f91aa;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.ft .copy a{color:#7f91aa}
@media (max-width:820px){.ft .wrap{grid-template-columns:1fr}.ft nav{grid-template-columns:1fr 1fr}}
@media (min-width:901px){.ft{padding-bottom:56px}}

/* スマホ下部の固定バー */
.sp-bar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;grid-template-columns:1fr 1fr;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(0,0,0,.08)}
.sp-bar a{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 8px;font-weight:700;text-decoration:none;font-size:15px}
.sp-bar a:first-child{color:var(--navy)}
.sp-bar a:last-child{background:var(--navy);color:#fff}
@media (max-width:900px){.sp-bar{display:grid}}

/* 電波アニメーション */
@keyframes pulse{0%{opacity:0;transform:scale(.6)}35%{opacity:1}100%{opacity:0;transform:scale(1.25)}}
.wave-a{transform-box:fill-box;transform-origin:center;animation:pulse 3s ease-out infinite}
.wave-a.d2{animation-delay:1s}.wave-a.d3{animation-delay:2s}
@media (prefers-reduced-motion:reduce){.wave-a{animation:none}}
.fade{opacity:0;transform:translateY(16px);transition:opacity .7s,transform .7s}
.fade.in{opacity:1;transform:none}
.logo .t1,.logo .t2{display:block}
.box ul{padding-left:1.2em;margin:.4em 0}
h3{line-height:1.5}
.contact-grid{grid-template-columns:2fr 1fr}
@media (max-width:820px){.contact-grid{grid-template-columns:1fr}}
.cards.five{grid-template-columns:repeat(5,1fr)}
@media (max-width:1060px){.cards.five{grid-template-columns:repeat(3,1fr)}}
@media (max-width:700px){.cards.five{grid-template-columns:1fr}}
.hero h1{font-size:clamp(28px,4vw,46px)}
.gnav a.btn,.gnav a.btn:hover{color:#fff;background:var(--navy)}
.hero h1 .ln,.hero .lead .ln{display:block}
@media (min-width:480px){.hero h1 .ln,.hero .lead .ln{white-space:nowrap}}
@media (max-width:479px){.hero .lead{font-size:14.5px}.hero .lead .ln{white-space:nowrap}}
/* トップ：現行サイトの写真を背景に */
.hero.photo{background:#141c6e;min-height:640px;display:flex;align-items:center}
.hero.photo .hero-bg{position:absolute;inset:0;background:url(hero.jpg) left center/cover no-repeat}
.hero.photo .hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,28,110,0) 0%,rgba(20,28,110,0) 46%,rgba(20,28,110,.88) 60%,rgba(20,28,110,.96) 100%)}
.hero.photo .wrap{position:relative;z-index:1;display:block;padding:72px 0}
.hero.photo .wrap>div{margin-left:auto;width:min(500px,44%)}
.hero.photo .kicker{color:#7fd6ea}
.hero.photo p.lead{color:#e6ecff}
.hero.photo h1{text-shadow:0 2px 12px rgba(0,0,0,.25)}
@media (max-width:900px){
  .hero.photo{display:block;min-height:0;background:#141c6e}
  .hero.photo .hero-bg{position:relative;inset:auto;height:56vw;max-height:420px;background-position:28% center}
  .hero.photo .hero-bg::after{background:linear-gradient(180deg,rgba(20,28,110,0) 60%,#141c6e 100%)}
  .hero.photo .wrap{padding:8px 0 44px}
  .hero.photo .wrap>div{width:auto;margin:0}
}
.hero.photo .hero-bg::after{background:linear-gradient(90deg,rgba(20,28,110,0) 0%,rgba(20,28,110,0) 60%,rgba(20,28,110,.9) 70%,rgba(20,28,110,.97) 100%)}
.hero.photo .wrap>div{width:390px}
.hero.photo h1{font-size:42px}
.hero.photo .kicker{letter-spacing:.2em;font-size:12px}
@media (max-width:1100px){
  .hero.photo{display:block;min-height:0}
  .hero.photo .hero-bg{position:relative;inset:auto;height:min(56vw,520px);background-position:28% center}
  .hero.photo .hero-bg::after{background:linear-gradient(180deg,rgba(20,28,110,0) 60%,#141c6e 100%)}
  .hero.photo .wrap{padding:8px 0 44px}
  .hero.photo .wrap>div{width:auto;margin:0}
  .hero.photo h1{font-size:clamp(28px,5vw,42px)}
}