/*
 * style.css — 株式会社コンタクトセンター（contactcenter.co.jp）
 * デザイン：ロゴのスカイブルー×紺のICT企業コーポレート。
 * 信頼感のある紺を基調に、ロゴのヘッドセットブルーをアクセントに使う。
 */
:root{
  --navy-900:#0c1f3d; --navy-800:#12304f; --navy-700:#1a4067; --navy-050:#edf3f9;
  --blue:#33aae1; --blue-dark:#1d8cc4; --blue-pale:#bfe4f6;
  --ink-900:#1a1d24; --ink-700:#3a3f4a; --ink-600:#5b616e; --ink-400:#8b909d;
  --line:#e3e7ee; --paper:#f8fafc; --paper-2:#eef2f7; --white:#fff;
  --serif:"Noto Serif JP","Yu Mincho",serif;
  --sans:"Noto Sans JP","Hiragino Kaku Gothic ProN","Meiryo",sans-serif;
  --wrap:1160px; --header-h:74px; --radius:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--ink-900);background:var(--paper);line-height:1.85;letter-spacing:.02em;font-size:16px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:.2s}
ul{list-style:none}
.wrap{width:min(var(--wrap),92%);margin-inline:auto}

.section{padding:clamp(3.25rem,7vw,5.75rem) 0}
.section--tint{background:var(--paper-2)}
.section--ink{background:var(--navy-900);color:#e9edf3}
.section-head{margin-bottom:clamp(1.75rem,4vw,3rem);text-align:center}
.section-head .en{display:block;font-size:.72rem;letter-spacing:.3em;color:var(--blue-dark);font-weight:700;margin-bottom:.5rem}
.section-head .ja{font-family:var(--serif);font-size:clamp(1.5rem,3.4vw,2.15rem);font-weight:600;color:var(--ink-900);line-height:1.5}
.section-head .lead{margin:1rem auto 0;color:var(--ink-600);max-width:720px}
.section--ink .section-head .ja{color:#fff}
.section--ink .section-head .en{color:var(--blue)}

.btn{display:inline-flex;align-items:center;gap:.6rem;font-weight:700;font-size:.94rem;padding:.95rem 2.1rem;border-radius:6px;border:2px solid var(--navy-800);color:var(--navy-800);background:transparent;cursor:pointer;transition:.25s;line-height:1.4}
.btn:hover{background:var(--navy-800);color:#fff}
.btn--fill{background:var(--blue-dark);color:#fff;border-color:var(--blue-dark)}
.btn--fill:hover{background:var(--navy-800);border-color:var(--navy-800)}
.btn--ghost{border-color:rgba(255,255,255,.7);color:#fff}
.btn--ghost:hover{background:#fff;color:var(--navy-900);border-color:#fff}
.btn .arrow{transition:transform .2s}
.btn:hover .arrow{transform:translateX(4px)}

/* ヘッダー */
.header{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-h);display:flex;align-items:center;background:rgba(255,255,255,.96);box-shadow:0 1px 0 var(--line);backdrop-filter:saturate(1.2) blur(4px)}
.header.solid{position:relative;background:#fff}
.header .wrap{display:flex;align-items:center;justify-content:space-between;width:min(var(--wrap),95%)}
.brand{display:flex;align-items:center}
.brand img{height:44px;width:auto}
.nav{display:flex;align-items:center;gap:1.5rem}
.nav a{color:var(--ink-700);font-size:.9rem;font-weight:500;position:relative;padding:.3rem 0}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--blue);transition:width .25s}
.nav a:hover{color:var(--navy-800)}
.nav a:hover::after{width:100%}
.nav a.active{color:var(--navy-800)}
.nav a.active::after{width:100%}
.nav__cta{background:var(--blue-dark);color:#fff!important;padding:.55rem 1.2rem!important;border-radius:6px}
.nav__cta::after{display:none}
.nav__cta:hover{background:var(--navy-800)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:32px;height:24px;position:relative}
.nav-toggle span{position:absolute;left:0;width:100%;height:2px;background:var(--ink-900);transition:.3s}
.nav-toggle span:nth-child(1){top:1px}.nav-toggle span:nth-child(2){top:11px}.nav-toggle span:nth-child(3){top:21px}
.nav-toggle.open span:nth-child(1){top:11px;transform:rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){top:11px;transform:rotate(-45deg)}

/* ヒーロー */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;color:#fff;overflow:hidden;background:linear-gradient(150deg,#081527 0%,var(--navy-800) 55%,var(--navy-700) 120%)}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 520px at 84% 12%,rgba(51,170,225,.32),transparent 62%)}
.hero::after{content:"";position:absolute;right:7%;top:22%;width:230px;height:230px;border-radius:50%;border:2px solid rgba(51,170,225,.4);background:radial-gradient(circle,rgba(51,170,225,.12),transparent 70%)}
.hero__inner{position:relative;z-index:2;padding-top:var(--header-h)}
.hero__eyebrow{font-size:.82rem;letter-spacing:.22em;color:var(--blue-pale);margin-bottom:1.3rem;font-weight:700}
.hero h1{font-family:var(--serif);font-weight:600;font-size:clamp(1.8rem,4.6vw,3.2rem);line-height:1.55;margin-bottom:1.5rem;white-space:pre-line}
.hero__lead{max-width:660px;color:#d9e2ec;font-size:clamp(.98rem,1.6vw,1.08rem);margin-bottom:2.4rem}
.hero__actions{display:flex;gap:1rem;flex-wrap:wrap}

/* 事業カード */
.cards{display:grid;gap:1.4rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2rem 1.7rem;transition:.25s;position:relative;overflow:hidden;display:flex;flex-direction:column}
.card--photo{padding-top:0}
.card--photo .card__cat{margin-top:1.3rem}
.card__img{height:180px;margin:0 -1.7rem 0;overflow:hidden;background:var(--navy-050)}
.card__img img{width:100%;height:100%;object-fit:cover}
.card__img--contain img{object-fit:contain;padding:1.2rem}
.card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(12,31,61,.12)}
.card:hover::before{transform:scaleX(1)}
.card__ic{font-size:2rem;margin-bottom:.9rem;line-height:1}
.card__cat{font-size:.72rem;letter-spacing:.12em;color:var(--blue-dark);font-weight:700;margin-bottom:.3rem}
.card h3{font-family:var(--serif);font-size:1.12rem;color:var(--ink-900);margin-bottom:.7rem}
.card p{font-size:.9rem;color:var(--ink-600)}
.card__link{display:inline-flex;align-items:center;gap:.4rem;margin-top:auto;padding-top:1rem;font-size:.84rem;font-weight:700;color:var(--navy-800)}
.card__link:hover{color:var(--blue-dark)}

/* 数値バー */
.stbar{display:grid;grid-template-columns:repeat(3,1fr)}
.st{padding:2.4rem 1.3rem;text-align:center;border-left:1px solid rgba(255,255,255,.1)}
.st:first-child{border-left:0}
.st__n{font-family:var(--serif);font-size:clamp(1.3rem,2.6vw,1.9rem);color:var(--blue-pale);line-height:1.2;font-weight:600}
.st__l{margin-top:.7rem;font-size:.82rem;color:#b9c2cf}

/* 代表メッセージ */
.message{max-width:820px;margin-inline:auto;text-align:center}
.message__quote{font-family:var(--serif);font-size:clamp(1.25rem,2.8vw,1.8rem);font-weight:600;color:var(--navy-800);line-height:1.8;margin-bottom:1.4rem}
.message p{color:var(--ink-600)}

/* 資格・許認可 */
.licenses{display:grid;gap:1.4rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));max-width:1000px;margin-inline:auto}
.license{background:#fff;border:1px solid var(--line);border-top:3px solid var(--blue);border-radius:var(--radius);padding:1.8rem 1.6rem;text-align:center}
.license__ic{font-size:2rem;margin-bottom:.8rem;line-height:1}
.license h3{font-family:var(--serif);font-size:1.05rem;color:var(--navy-800);margin-bottom:.5rem}
.license p{font-size:.86rem;color:var(--ink-600)}

/* 子会社カード */
.subs{display:grid;gap:1.4rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));max-width:900px;margin-inline:auto}
.sub{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2rem 1.7rem;text-align:center;transition:.25s}
.sub:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(12,31,61,.12)}
.sub__logo{height:72px;display:flex;align-items:center;justify-content:center;margin-bottom:1.1rem}
.sub__logo img{max-height:72px;width:auto;object-fit:contain}
.sub__cat{font-size:.72rem;letter-spacing:.12em;color:var(--blue-dark);font-weight:700}
.sub h3{font-family:var(--serif);font-size:1.15rem;color:var(--ink-900);margin:.3rem 0 .7rem}
.sub p{font-size:.88rem;color:var(--ink-600);text-align:left}
.sub__tag{display:inline-block;background:var(--navy-050);color:var(--navy-800);font-size:.72rem;font-weight:700;padding:.15rem .7rem;border-radius:999px;margin-bottom:.8rem}

/* ニュース */
.news-list{max-width:860px;margin-inline:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.news-item{display:grid;grid-template-columns:96px 110px 1fr;gap:1rem;align-items:baseline;padding:1.1rem 1.5rem;border-bottom:1px solid var(--line);font-size:.92rem}
.news-item:last-child{border-bottom:0}
.news-item time{color:var(--ink-400);font-size:.84rem}
.news-item .cat{font-size:.72rem;font-weight:700;color:var(--blue-dark);background:var(--navy-050);border-radius:999px;text-align:center;padding:.1rem .5rem;white-space:nowrap}

/* CTA帯 */
.cta{background:linear-gradient(120deg,var(--navy-900),var(--blue-dark));color:#fff;text-align:center}
.cta h2{font-family:var(--serif);font-size:clamp(1.5rem,3.4vw,2.3rem);margin-bottom:1rem}
.cta p{color:#dce7f0;margin-bottom:1.5rem;max-width:620px;margin-inline:auto}

/* 下層ページヘッダー */
.page-hero{padding:calc(var(--header-h) + 3.5rem) 0 3rem;background:linear-gradient(150deg,#081527,var(--navy-700));color:#fff;text-align:center}
.page-hero .en{font-size:.74rem;letter-spacing:.3em;color:var(--blue-pale);font-weight:700}
.page-hero h1{font-family:var(--serif);font-size:clamp(1.8rem,4.4vw,2.9rem);font-weight:600;margin-top:.6rem}
.breadcrumb{margin-top:1rem;font-size:.76rem;color:#b9c8d8}
.breadcrumb a:hover{color:#fff}.breadcrumb span{margin:0 .5rem;opacity:.6}

/* 会社概要テーブル */
.tbl{width:100%;border-collapse:collapse;max-width:820px;margin-inline:auto;background:#fff;border:1px solid var(--line)}
.tbl th,.tbl td{text-align:left;padding:1.1rem 1.5rem;border-bottom:1px solid var(--line);font-size:.92rem;vertical-align:top}
.tbl tr:last-child th,.tbl tr:last-child td{border-bottom:0}
.tbl th{width:30%;font-family:var(--serif);color:var(--navy-800);font-weight:600;background:var(--navy-050)}
.tbl td small{color:var(--ink-400)}

/* 事業詳細（事業内容ページ） */
.biz{display:grid;grid-template-columns:340px 1fr;gap:clamp(1.6rem,4vw,3rem);align-items:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.6rem,3.4vw,2.6rem);margin-bottom:clamp(1.8rem,4vw,2.6rem)}
.biz__media{background:var(--navy-050);border-radius:10px;overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:200px}
.biz__media img{width:100%;height:100%;min-height:200px;object-fit:cover}
.biz__media--contain img{object-fit:contain;min-height:0;padding:1.6rem}

/* 写真ギャラリー（事業詳細の下段。グリッド全幅に配置） */
.gallery{grid-column:1/-1;display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));margin-top:.4rem;padding-top:1.4rem;border-top:1px solid var(--line)}
.gallery__item{display:block}
a.gallery__item:hover .gallery__img img{transform:scale(1.04)}
.gallery__img{border-radius:8px;overflow:hidden;background:var(--navy-050);aspect-ratio:4/3}
.gallery__img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.gallery__img--contain{background:#fff;border:1px solid var(--line)}
.gallery__img--contain img{object-fit:contain;padding:.6rem}
.gallery figcaption{margin-top:.5rem;font-size:.8rem;color:var(--ink-600);line-height:1.6}
a.gallery__item figcaption{color:var(--blue-dark);font-weight:700}

/* 拠点カード（会社概要ページ） */
.office{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.office__img{height:190px;overflow:hidden;background:var(--navy-050)}
.office__img img{width:100%;height:100%;object-fit:cover}
.office__body{padding:1.4rem 1.5rem 1.6rem}
.office__body h3{font-family:var(--serif);font-size:1rem;color:var(--navy-800);margin-bottom:.5rem;line-height:1.6}
.office__body p{font-size:.88rem;color:var(--ink-600)}

/* 役員紹介（会社概要ページ） */
.officers{display:grid;gap:1.6rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));max-width:1000px;margin-inline:auto}
.officer{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2.2rem 1.6rem 1.8rem;text-align:center}
.officer__photo{width:150px;height:150px;border-radius:50%;overflow:hidden;margin:0 auto 1.1rem;background:var(--navy-050);border:3px solid var(--blue-pale)}
.officer__photo img{width:100%;height:100%;object-fit:cover}
.officer__title{font-size:.78rem;letter-spacing:.14em;color:var(--blue-dark);font-weight:700}
.officer h3{font-family:var(--serif);font-size:1.3rem;color:var(--ink-900);margin:.2rem 0 .8rem}
.officer__notes p{font-size:.8rem;color:var(--ink-600);line-height:1.7;margin-bottom:.4rem;text-align:left}

/* 代表挨拶（トップページ） */
.greeting{display:grid;grid-template-columns:minmax(260px,380px) 1fr;gap:clamp(1.8rem,4vw,3.2rem);align-items:start;max-width:1000px;margin-inline:auto}
.greeting__photo{border-radius:var(--radius);overflow:hidden;box-shadow:0 18px 40px rgba(12,31,61,.16)}
.greeting__photo img{width:100%;height:100%;object-fit:cover}
.greeting__body p{color:var(--ink-600);font-size:.95rem;margin-bottom:1rem}
.greeting__sign{text-align:right;color:var(--ink-900)!important;font-size:1rem!important;margin-top:1.4rem}
.greeting__sign strong{font-family:var(--serif);font-size:1.25rem;margin-left:.3rem}
.biz__cat{font-size:.74rem;letter-spacing:.14em;color:var(--blue-dark);font-weight:700}
.biz h2{font-family:var(--serif);font-size:clamp(1.3rem,2.6vw,1.7rem);color:var(--ink-900);margin:.3rem 0 1rem}
.biz p{color:var(--ink-600);font-size:.95rem}
.biz__points{margin-top:1.2rem;display:grid;gap:.5rem}
.biz__points li{position:relative;padding-left:1.5rem;font-size:.9rem;color:var(--ink-700)}
.biz__points li::before{content:"✓";position:absolute;left:0;color:var(--blue-dark);font-weight:700}
.biz .btn{margin-top:1.4rem}

/* 宣言文・行動計画などの文書ページ */
.doc{max-width:860px;margin-inline:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.8rem,4vw,3.2rem)}
.doc h2{font-family:var(--serif);font-size:clamp(1.15rem,2.4vw,1.45rem);color:var(--navy-800);margin:2rem 0 .9rem;padding-left:.9rem;border-left:4px solid var(--blue)}
.doc h2:first-child{margin-top:0}
.doc p{color:var(--ink-700);font-size:.95rem;margin-bottom:1rem}
.doc ul{margin:0 0 1rem;display:grid;gap:.5rem}
.doc ul li{position:relative;padding-left:1.4rem;font-size:.93rem;color:var(--ink-700)}
.doc ul li::before{content:"";position:absolute;left:.2rem;top:.65em;width:7px;height:7px;border-radius:50%;background:var(--blue)}
.doc ol{margin:0 0 1rem 1.4rem;display:grid;gap:.7rem}
.doc ol li{font-size:.93rem;color:var(--ink-700)}
.doc .doc__goal{background:var(--navy-050);border-radius:10px;padding:1.2rem 1.4rem;margin-bottom:1rem}
.doc .doc__goal h3{font-size:.98rem;color:var(--navy-800);margin-bottom:.5rem}
.doc .doc__goal p{font-size:.88rem;margin-bottom:.3rem;color:var(--ink-600)}
.doc .doc__sign{text-align:right;margin-top:2.2rem;color:var(--ink-900)}
.doc .doc__sign strong{font-family:var(--serif);font-size:1.1rem}
.doc .doc__meta{font-size:.82rem;color:var(--ink-400);margin-top:1.6rem;padding-top:1.2rem;border-top:1px solid var(--line)}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

/* フッター */
.footer{background:var(--navy-900);color:#a5adba;padding:clamp(2.5rem,5vw,3.5rem) 0 2rem;font-size:.88rem}
.footer__top{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;padding-bottom:2rem;border-bottom:1px solid rgba(255,255,255,.1)}
.footer__brand strong{display:block;color:#fff;font-family:var(--serif);font-size:1.05rem;margin-bottom:.6rem}
.footer__brand p{max-width:360px;color:#8c95a5}
.footer__nav{display:flex;gap:1.6rem;flex-wrap:wrap}
.footer__nav a:hover{color:#fff}
.footer__bottom{padding-top:1.6rem;text-align:center;color:#6d7584;font-size:.8rem}

@media(max-width:960px){
  .biz{grid-template-columns:1fr}
  .biz__media{min-height:160px}
  .greeting{grid-template-columns:1fr}
  .greeting__photo{max-width:420px}
}
@media(max-width:900px){
  .stbar{grid-template-columns:1fr 1fr}.st:nth-child(3){border-left:0}
}
@media(max-width:760px){
  .nav{position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;align-items:flex-start;gap:0;background:#fff;padding:.5rem 6%;transform:translateY(-140%);transition:transform .35s;box-shadow:0 20px 40px rgba(0,0,0,.12)}
  .nav.open{transform:translateY(0)}
  .nav a{width:100%;padding:1rem 0;border-bottom:1px solid var(--line)}
  .nav-toggle{display:block}
  .stbar{grid-template-columns:1fr}.st{border-left:0}
  .news-item{grid-template-columns:82px 1fr;grid-template-rows:auto auto}
  .news-item .title{grid-column:1/-1}
}