/* MEC.i コーポレートサイト 共通スタイル */
:root{--blue:#0a6fa8;--blue-d:#0a5f91;--teal:#2aa6b5;--ink:#1f2a33;--sub:#5b6b78;--line:#e3e8ec;--bg:#f4f8fa;--font:"Noto Sans JP","Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic UI","Meiryo",sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);line-height:1.8;color:var(--ink);background:#fff;font-size:16px;-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:3px solid #f5a623;outline-offset:2px}
.skip{position:absolute;left:-9999px;top:0;background:#000;color:#fff;padding:8px 16px;z-index:99}
.skip:focus{left:8px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.btn,.mnav summary{white-space:nowrap}

/* ヘッダー */
.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:50}
.hbar{display:flex;align-items:center;gap:24px;height:76px}
.hbar .logo{flex:none}.hbar .logo img{width:170px}
.gnav{margin-left:auto}.gnav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.gnav a{display:block;padding:10px 14px;text-decoration:none;font-weight:600;border-radius:6px}
.gnav a:hover,.gnav a[aria-current]{background:#eef6fb;color:var(--blue-d)}
.hcta{display:flex;gap:10px;align-items:center}
.tel{display:flex;flex-direction:column;line-height:1.2;text-decoration:none;color:var(--blue-d);font-weight:700;font-size:20px}
.tel small{font-size:11px;color:var(--sub);font-weight:400}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff;text-decoration:none;font-weight:700;padding:12px 20px;border-radius:8px;border:0;font:inherit;font-weight:700;cursor:pointer}
.btn:hover{background:#085a88}
.btn.ghost{background:#fff;color:var(--blue);border:2px solid var(--blue)}
.mnav{display:none;margin-left:auto}
.mnav summary{list-style:none;display:flex;align-items:center;gap:6px;cursor:pointer;font-weight:700;color:var(--blue-d);padding:8px}
.mnav summary::-webkit-details-marker{display:none}
.mnav ul{position:absolute;left:0;right:0;top:76px;background:#fff;list-style:none;margin:0;padding:8px 20px 20px;border-bottom:1px solid var(--line);box-shadow:0 8px 16px rgba(0,0,0,.08)}
.mnav li a{display:block;padding:14px 4px;border-bottom:1px solid #eef1f4;text-decoration:none;font-size:17px}
@media (max-width:900px){.gnav{display:none}.mnav{display:block}.hcta .tel{display:none}.hcta .btn{padding:8px 12px;font-size:14px}.hcta .btn svg{display:none}}
@media (max-width:600px){.hbar .logo img{width:120px}.hbar{gap:8px}.mnav summary{padding:8px 0}h1 br{display:none}}

/* TOP */
.hero{position:relative;background:#0b2a3c}
.hero img{width:100%;height:520px;object-fit:cover;opacity:.55}
.hero .txt{position:absolute;inset:0;display:flex;align-items:center}
.hero h1{color:#fff;font-size:clamp(26px,4vw,44px);line-height:1.45;margin:0 0 16px;text-shadow:0 2px 8px rgba(0,0,0,.4)}
.hero p{color:#eaf3f8;font-size:clamp(15px,1.8vw,18px);max-width:640px;margin:0 0 28px}
@media (max-width:600px){.hero img{height:440px}}
section{padding:72px 0}
.sec-h{text-align:center;margin-bottom:40px}
.sec-h .en{display:block;color:var(--teal);font-size:13px;letter-spacing:.2em;font-weight:700}
.sec-h h2{font-size:30px;margin:4px 0 0}
.sec-h .lead{margin:8px 0 0;color:var(--sub)}
.bg{background:var(--bg)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:900px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.cards{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;text-decoration:none;transition:box-shadow .2s}
.card:hover{box-shadow:0 8px 24px rgba(10,111,168,.15)}
.card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.card .b{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
.card h3{margin:0 0 8px;font-size:19px;color:var(--blue-d)}
.card p{margin:0 0 16px;font-size:15px;color:#46555f;flex:1}
.card.logo-card img{object-fit:contain;padding:24px;background:#fff}
.more{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--blue);font-size:15px}
.sub{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px;padding:0;list-style:none}
.sub li{background:#eef6fb;color:var(--blue-d);font-size:13px;padding:3px 10px;border-radius:99px}
.goals{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:900px){.goals{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.goals{grid-template-columns:1fr}}
.goal{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;text-decoration:none;min-height:96px;transition:box-shadow .2s,border-color .2s}
.goal:hover{border-color:var(--blue);box-shadow:0 8px 24px rgba(10,111,168,.12)}
.goal .i{flex:none;width:56px;height:56px;border-radius:50%;background:#eef6fb;color:var(--blue);display:grid;place-items:center}
.goal b{display:block;word-break:auto-phrase;font-size:17px;line-height:1.5;color:var(--blue-d)}
.goal small{color:var(--sub);font-size:14px;line-height:1.5;display:block}
.goal>svg{margin-left:auto;flex:none;color:var(--blue)}
.news-list{list-style:none;margin:0 auto;padding:0;max-width:880px;background:#fff;border-radius:12px;border:1px solid var(--line)}
.news-list li a{display:grid;grid-template-columns:110px 80px 1fr 24px;gap:16px;align-items:center;padding:20px 24px;border-bottom:1px solid #eef1f4;text-decoration:none}
.news-list li:last-child a{border-bottom:0}
.news-list li a:hover{background:#f7fbfd}
.news-list time{color:var(--sub);font-size:15px}
.tag{font-size:12px;text-align:center;border:1px solid var(--teal);color:#1b7f8b;border-radius:4px;padding:1px 6px;display:inline-block}
@media (max-width:600px){.news-list li a{grid-template-columns:auto 1fr 20px}.news-list .t{grid-column:1/-1;order:3}}
.center{text-align:center;margin-top:32px}
.co{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:800px){.co{grid-template-columns:repeat(2,1fr)}}
.co a{position:relative;display:block;border-radius:10px;overflow:hidden;text-decoration:none}
.co img{aspect-ratio:16/10;object-fit:cover;width:100%}
.co span{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(0,0,0,.7));color:#fff;font-weight:700;padding:28px 14px 12px}
.certs{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:800px){.certs{grid-template-columns:1fr}}
.cert{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;text-align:center;text-decoration:none}
.cert img{height:110px;width:auto;margin:0 auto 16px;object-fit:contain}
.cert h3{margin:0;font-size:18px}.cert p{margin:4px 0 0;color:var(--sub);font-size:14px}
.cta{background:linear-gradient(120deg,var(--blue),var(--teal));color:#fff;text-align:center}
.cta h2{font-size:28px;margin:0 0 8px}.cta p{margin:0 0 28px}
.cta .row{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta .btn{background:#fff;color:var(--blue-d);font-size:18px;padding:16px 28px}
.cta .btn.tel2{background:transparent;color:#fff;border:2px solid #fff}

/* 下層ページ */
.page-head{background:var(--bg);border-bottom:1px solid var(--line);padding:36px 0 32px}
.page-head .en{display:block;color:var(--teal);font-size:13px;letter-spacing:.2em;font-weight:700}
.page-head h1{font-size:clamp(24px,3.4vw,34px);line-height:1.4;margin:4px 0 0}
.crumbs{font-size:13px;color:var(--sub);margin:0 0 14px}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px}
.crumbs li+li::before{content:"›";margin:0 6px;color:#9aa8b2}
.crumbs a{text-decoration:none;color:var(--blue-d)}.crumbs a:hover{text-decoration:underline}
.page-body{padding:48px 0 24px}
.content{max-width:860px;margin:0 auto}
.content>:first-child{margin-top:0}
.content p.lead{font-size:20px;font-weight:700;color:var(--blue-d);line-height:1.6}
.content h2{font-size:24px;line-height:1.5;margin:56px 0 18px;padding:0 0 10px 16px;border-left:5px solid var(--blue);border-bottom:1px solid var(--line)}
.content h2 .h-sub{display:block;font-size:.8em;color:var(--blue-d);margin-top:4px}
.step{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:24px;align-items:start;padding:20px 0;border-bottom:1px solid var(--line)}
.step img{margin:0;border-radius:8px}
.step h3{margin-top:0}
.step ul{margin-bottom:0}
@media (max-width:600px){.step{grid-template-columns:1fr;gap:12px}}
.content h3{font-size:19px;line-height:1.5;margin:36px 0 12px;color:var(--blue-d)}
.content p{margin:0 0 1.2em}
.content ul,.content ol{padding-left:1.4em;margin:0 0 1.4em}
.content li{margin:.3em 0}
.content img{margin:24px auto;border-radius:8px}
.content a{color:var(--blue);text-underline-offset:3px}
.content a.btn{color:#fff;text-decoration:none}
.content a[rel~=external]::after{content:"↗";font-size:.85em;margin-left:2px}
.table-wrap{overflow-x:auto;margin:0 0 1.6em;-webkit-overflow-scrolling:touch}
.content table{border-collapse:collapse;width:100%;font-size:15px}
.content table.wide{min-width:640px}
.content table:not(.wide) tbody td:first-child{white-space:nowrap}
.content th,.content td{border:1px solid var(--line);padding:10px 14px;vertical-align:top;text-align:left}
.content th{background:#eef6fb;color:var(--blue-d);white-space:nowrap}
.content tbody td:first-child{font-weight:700;background:#fafcfd}
.content table.plain tbody td:first-child{font-weight:400;background:none}
.content strong{color:#0d3d5c}
.children{padding:48px 0}
.children h2{text-align:center;font-size:24px;margin:0 0 28px}
.sibnav{border-top:1px solid var(--line);padding:40px 0 56px}
.sibnav h2{font-size:16px;margin:0 0 14px;color:var(--sub)}
.sibnav ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.sibnav a{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:14px 16px;border:1px solid var(--line);border-radius:10px;text-decoration:none;font-weight:600}
.sibnav a:hover{border-color:var(--blue);color:var(--blue-d)}
.sibnav a[aria-current]{background:#eef6fb;border-color:#bcdcef;color:var(--blue-d)}
.sibnav .lv2 a{font-weight:400;font-size:15px}
.news-meta{display:flex;gap:12px;align-items:center;color:var(--sub);margin:0 0 24px}
.maps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
@media (max-width:900px){.maps{grid-template-columns:1fr}}
.maps figure{margin:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.maps iframe{width:100%;height:240px;border:0;display:block}
.maps figcaption{padding:14px 16px;font-size:15px;line-height:1.6}
.maps b{display:block;color:var(--blue-d)}
/* フォーム */
.form{max-width:760px;margin:0 auto}
.field{margin:0 0 24px}
.field>label,.field legend{display:block;font-weight:700;margin-bottom:6px}
.req,.opt{display:inline-block;font-size:12px;border-radius:4px;padding:0 6px;margin-left:8px;vertical-align:2px;font-weight:700}
.req{background:#c62828;color:#fff}.opt{background:#e3e8ec;color:#46555f}
.field input[type=text],.field input[type=email],.field input[type=tel],.field textarea,.field select{width:100%;font:inherit;padding:12px 14px;border:1px solid #b9c4cc;border-radius:8px;background:#fff}
.field textarea{min-height:200px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--blue);outline:3px solid rgba(10,111,168,.2)}
fieldset.field{border:0;padding:0}
.radios{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:600px){.radios{grid-template-columns:1fr}}
.radios label{display:flex;gap:10px;align-items:center;border:1px solid #b9c4cc;border-radius:8px;padding:12px 14px;cursor:pointer}
.radios input{width:20px;height:20px}
.hint{font-size:14px;color:var(--sub);margin:4px 0 0}
.agree-box{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:16px 18px;max-height:220px;overflow:auto;font-size:14px;white-space:pre-line}
.check{display:flex;gap:10px;align-items:center;font-weight:700;margin-top:12px}
.check input{width:22px;height:22px}
.hp{position:absolute;left:-9999px}
.submit{text-align:center;margin-top:32px}.submit .btn{font-size:18px;padding:16px 48px}
.notice{background:#fff8e1;border:1px solid #f0d58a;border-radius:8px;padding:12px 16px;font-size:14px;margin:0 0 28px}

.errors{background:#fdecea;border:1px solid #f5c2c0;border-radius:8px;padding:14px 18px;margin:0 0 28px;color:#8a1c14}
.errors p{margin:0 0 6px}.errors ul{margin:0;padding-left:1.2em}.errors a{color:#8a1c14}
.err{color:#c62828;font-size:14px;font-weight:700;margin:6px 0 0}
[aria-invalid=true]{border-color:#c62828!important;background:#fffafa!important}
.content table.confirm th{width:30%;white-space:normal}
.content table.confirm td:first-child{font-weight:400;background:none}
.confirm-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:28px}
.confirm-actions .btn{font-size:18px;padding:14px 40px}

/* フッター */
.site-footer{background:#14232e;color:#cfd8de;padding:56px 0 24px;font-size:14px}
.fgrid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px}
@media (max-width:800px){.fgrid{grid-template-columns:1fr}}
.site-footer h2{color:#fff;font-size:15px;margin:0 0 10px}
.site-footer ul{list-style:none;padding:0;margin:0 0 20px}.site-footer li{margin:4px 0}
.site-footer a{text-decoration:none}.site-footer a:hover{text-decoration:underline}
.flogo{background:#fff;padding:8px 12px;border-radius:6px;margin-bottom:12px}
.copy{text-align:center;margin:32px 0 0;color:#8a9aa5;font-size:12px}
@media print{.site-header,.site-footer,.cta,.sibnav{display:none}}

/* ===== アニメーション（控えめ）=====
   ・CSSのみ（JavaScript不使用。セキュリティ設定 CSP の変更不要）
   ・「動きを減らす」設定の端末では、すべて無効
   ・対応していないブラウザでは、アニメーションなしで普通に表示 */
@media (prefers-reduced-motion: no-preference){

/* 1. ページ表示時：メイン画像がゆっくり寄りから引きへ／キャッチコピーがふわっと表示 */
.hero img{animation:hero-zoom 8s ease-out both}
.hero h1,.hero p,.hero .btn{animation:fade-up .9s cubic-bezier(.2,.7,.2,1) both}
.hero p{animation-delay:.15s}.hero .btn{animation-delay:.3s}
.page-head h1,.page-head .en{animation:fade-up .7s cubic-bezier(.2,.7,.2,1) both}
@keyframes hero-zoom{from{transform:scale(1.06)}to{transform:scale(1)}}
@keyframes fade-up{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* 2. マウスを重ねたとき：カードが少し浮く・画像がわずかに拡大・矢印が右へ */
.card,.goal,.cert,.co a,.sibnav a,.btn{transition:transform .25s ease,box-shadow .25s ease,background-color .2s,border-color .2s,color .2s}
.card:hover,.goal:hover,.cert:hover{transform:translateY(-4px)}
.card img,.co img{transition:transform .5s ease}
.card:hover img,.co a:hover img{transform:scale(1.04)}
.co a{overflow:hidden}
.more svg,.goal>svg,.sibnav a svg,.news-list li a svg,.btn svg{transition:transform .25s ease}
.card:hover .more svg,.goal:hover>svg,.sibnav a:hover svg,.news-list li a:hover svg,.btn:hover svg{transform:translateX(4px)}
.goal .i{transition:background-color .25s,color .25s}
.goal:hover .i{background:var(--blue);color:#fff}
.btn:active{transform:translateY(1px)}

/* 3. スマホのメニュー：上からすっと開く */
.mnav[open] ul{animation:menu-open .25s ease-out}
@keyframes menu-open{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* 4. スクロール時：見出し・カードが下から軽くフェードイン（対応ブラウザのみ） */
@supports (animation-timeline: view()){
  .sec-h,.card,.goal,.cert,.co a,.news-list,.content h2,.step,.maps figure,.children h2{
    animation:fade-up linear both;animation-timeline:view();animation-range:entry 0% entry 60%}
  /* 5. スクロールするとヘッダーに薄い影 */
  .site-header{animation:header-shadow linear both;animation-timeline:scroll(root);animation-range:0 120px}
  @keyframes header-shadow{from{box-shadow:none}to{box-shadow:0 4px 16px rgba(20,35,46,.08)}}
}
}