/* ============================================================
   BENTO サービス詳細ページ 共通スタイル
   コーポレート（cpaai.jp）と統一：和モダン＋ブランド配色
   ============================================================ */
:root{
  /* 2026-07-18 トップ(index.html)の藍×朱パレットへ統一（旧: 生成り×金茶）。ブランド色チップと意味色(警告等)は温存 */
  --ink:#16181d; --ink-soft:#4a5568; --washi:#ffffff; --paper:#f4f6f9; --white:#ffffff;
  --accent:#24406b; --accent-soft:#1b2e4b; --accent-bright:#e0b36a;
  --line:#d8dee8; --line-soft:#e6ebf2; --deep:#1b2e4b; --deep-soft:#1b2e4b;
  --vermilion:#c63a25; --vermilion-dark:#a93120; --on-indigo:#c9d4e6;
  /* ブランド色（弁当箱アイコン由来） */
  --navy:#21385e; --sage:#7c9070; --slate:#5b7d96; --terra:#c0694b; --camel:#9a7b4f; --cream:#f1e7d7;
  --serif:"Shippori Mincho","Noto Sans JP",serif;
  --sans:"Inter","Noto Sans JP",system-ui,sans-serif;
  --maxw:1080px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--washi);line-height:1.95;font-weight:400;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;width:100%}
section{padding:clamp(3.6rem,7vw,6rem) 0}
.serif{font-family:var(--serif)}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.45;letter-spacing:.01em}
a{color:inherit;text-decoration:none}
.eyebrow{font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;color:var(--accent-soft);font-weight:500;margin-bottom:1.2rem}
.lead{font-size:1.02rem;color:var(--ink-soft);line-height:2.05}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
header.scrolled{border-bottom-color:var(--line);background:rgba(255,255,255,.95)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center}
.brand img{height:42px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:22px;list-style:none}
.nav-links a{font-size:.82rem;color:var(--ink-soft);font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--accent)}
.nav-home{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);border-radius:4px;padding:8px 14px;font-size:.78rem}
.nav-home:hover{border-color:var(--accent);color:var(--accent)}
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--sans);font-size:.84rem;font-weight:500;cursor:pointer;padding:.72em 1.5em;border-radius:4px;border:1px solid var(--ink);background:var(--ink);color:var(--washi);transition:all .25s;letter-spacing:.04em}
.btn:hover{background:var(--accent-soft);border-color:var(--accent-soft)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--washi)}
.btn.lg{padding:1em 2.4em;font-size:.95rem}
.nav .btn{padding:.6em 1.3em}
.hamb{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.hamb span{width:24px;height:2px;background:var(--ink);transition:.3s}

/* breadcrumb */
.crumb{font-size:.76rem;color:var(--ink-soft);padding:1rem 0 0}
.crumb a:hover{color:var(--accent)}

/* hero */
.svc-hero{background:var(--paper);position:relative;overflow:hidden;padding:clamp(3rem,7vw,5rem) 0 clamp(3.4rem,7vw,5rem)}
.svc-hero .tag{display:inline-flex;align-items:center;gap:.5em;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:#fff;background:var(--accent-soft);padding:.4em 1em;border-radius:40px;font-weight:600;margin-bottom:1.4rem}
.svc-hero h1{font-size:clamp(1.9rem,4.4vw,3rem);line-height:1.4;margin-bottom:1.2rem}
.svc-hero .sub{max-width:680px;font-size:1.04rem;color:var(--ink-soft);line-height:2.05;margin-bottom:2rem}
.svc-hero .cta-row{display:flex;gap:14px;flex-wrap:wrap}

/* generic section head */
.sec-head{max-width:720px;margin-bottom:2.8rem}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(1.5rem,3.2vw,2.1rem);margin-bottom:1rem}
.alt{background:var(--paper)}

/* 課題 list */
.issues{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.issue{background:var(--white);border:1px solid var(--line);border-radius:6px;padding:1.4rem 1.5rem;display:flex;gap:.9rem;align-items:flex-start;box-shadow:0 1px 2px rgba(27,46,75,.05),0 3px 10px rgba(27,46,75,.05)}
.issue .x{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:#f3e6e0;color:var(--terra);display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:700}
.issue p{font-size:.92rem;color:var(--ink);line-height:1.8}

/* approach (FDE×AI) feature block */
.approach{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.approach .copy h2{margin-bottom:1rem}
.approach .copy p{color:var(--ink-soft);font-size:.98rem;margin-bottom:1rem}
.approach .panel{background:var(--deep);color:var(--on-indigo);border-radius:12px;padding:2rem 1.8rem;background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);background-size:40px 40px}
.approach .panel h3{color:#fff;font-size:1.05rem;margin-bottom:1rem}
.split-roles{display:grid;gap:12px}
.role{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:1rem 1.1rem}
.role .k{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-bright);margin-bottom:.35rem;font-weight:600}
.role p{font-size:.88rem;color:var(--on-indigo);line-height:1.8}

/* offer cards */
.offer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.offer{background:var(--white);border:1px solid var(--line);border-radius:6px;padding:1.6rem 1.5rem;box-shadow:0 1px 2px rgba(27,46,75,.05),0 3px 10px rgba(27,46,75,.05)}
.offer .ico{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:1rem;background:var(--accent)}
.offer .ico svg{width:22px;height:22px}
.offer h3{font-size:1.05rem;margin-bottom:.5rem}
.offer p{font-size:.88rem;color:var(--ink-soft);line-height:1.85}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:var(--white);border:1px solid var(--line);border-radius:6px;padding:1.6rem 1.5rem;position:relative}
.step .jp{font-family:var(--serif);font-size:1.3rem;margin-bottom:.1rem}
.step .en{font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-soft);margin-bottom:.8rem}
.step p{font-size:.86rem;color:var(--ink-soft);line-height:1.85}

/* usecase */
.usecase{background:var(--white);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:6px;padding:1.8rem 2rem;box-shadow:0 1px 2px rgba(27,46,75,.05),0 3px 10px rgba(27,46,75,.05)}
.usecase .label{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-soft);font-weight:600;margin-bottom:.7rem}
.usecase h3{font-size:1.1rem;margin-bottom:.7rem}
.usecase p{font-size:.92rem;color:var(--ink-soft);line-height:1.9}
.usecase .res{margin-top:1rem;font-size:.9rem;color:var(--ink);border-top:1px solid var(--line-soft);padding-top:.9rem}
.usecase .res b{color:var(--accent-soft)}

/* FAQ */
.faq{max-width:780px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);padding:.4rem 0}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:1rem;cursor:pointer;padding:1.1rem 0;font-weight:600;font-size:.96rem;color:var(--ink);list-style:none}
.faq-q::-webkit-details-marker{display:none}
.faq-q .mk{flex-shrink:0;color:var(--accent-soft);font-size:1.2rem;transition:transform .25s}
details[open] .faq-q .mk{transform:rotate(45deg)}
.faq-a{font-size:.9rem;color:var(--ink-soft);line-height:1.9;padding:0 0 1.2rem}

/* related */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.related a{display:block;background:var(--white);border:1px solid var(--line);border-radius:6px;padding:1.1rem 1.3rem;transition:border-color .2s,transform .2s}
.related a:hover{border-color:var(--accent);transform:translateY(-2px)}
.related .nm{font-family:var(--serif);font-size:1rem;color:var(--ink);margin-bottom:.2rem}
.related .ar{font-size:.78rem;color:var(--accent-soft)}

/* CTA */
.cta{background-color:var(--deep);color:var(--on-indigo);text-align:center;background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);background-size:46px 46px}
.cta h2{color:#fff;font-size:clamp(1.6rem,3.6vw,2.3rem);margin-bottom:1.2rem}
.cta p{max-width:600px;margin:0 auto 2rem;color:var(--on-indigo);font-size:1rem}
.cta .btn{background:var(--vermilion);border-color:var(--vermilion);color:#fff}
.cta .btn:hover{background:var(--vermilion-dark);border-color:var(--vermilion-dark)}

/* footer */
footer{background-color:var(--deep-soft);color:#8fa0b8;padding:2.8rem 0;font-size:.8rem;line-height:2}
footer .ft{display:flex;flex-wrap:wrap;gap:1rem 2rem;justify-content:space-between;align-items:center}
footer .ft b{font-family:var(--serif);font-size:1.1rem;letter-spacing:.14em;color:#fff}
footer .ft a{color:var(--on-indigo)}
footer .ft a:hover{color:#fff}
footer .note{font-size:.72rem;color:#8fa0b8;margin-top:1.2rem;border-top:1px solid rgba(255,255,255,.1);padding-top:1.2rem}

/* card colors (brand) */
.ico.tan{background:#a9824a}.ico.camel{background:var(--camel)}.ico.slate{background:var(--slate)}
.ico.mauve{background:#9a6b74}.ico.olive{background:var(--sage)}.ico.teal{background:#3f7f86}.ico.terra{background:var(--terra)}.ico.navy{background:var(--navy)}

/* BENTO アプリUIサンプル */
.app-mock{max-width:920px;margin:0 auto;border-radius:12px;overflow:hidden;box-shadow:0 30px 70px rgba(27,46,75,.22);border:1px solid var(--line);background:#fff}
.app-mock .bar{display:flex;align-items:center;gap:.7rem;padding:.7rem 1.1rem;background:var(--deep);color:var(--on-indigo)}
.app-mock .bar .dots{display:flex;gap:6px}
.app-mock .bar .dots i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.22)}
.app-mock .bar .title{font-size:.8rem;letter-spacing:.06em;color:#e6ebf2;font-weight:600}
.app-mock .bar .badge{margin-left:auto;font-size:.64rem;background:var(--accent-soft);color:#fff;padding:.25em .8em;border-radius:30px;letter-spacing:.08em}
.app-mock .body{display:grid;grid-template-columns:172px 1fr;min-height:300px}
.app-mock .side{background:var(--paper);border-right:1px solid var(--line);padding:1.1rem .9rem;font-size:.78rem;color:var(--ink-soft)}
.app-mock .side .logo{font-family:var(--serif);font-weight:700;letter-spacing:.1em;color:var(--ink);margin-bottom:1.1rem;font-size:.92rem}
.app-mock .side ul{list-style:none;display:grid;gap:.15rem}
.app-mock .side li{padding:.5em .65em;border-radius:6px}
.app-mock .side li.on{background:#fff;color:var(--ink);font-weight:600;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.app-mock .main{padding:1.4rem 1.6rem;background:#fff}
.app-mock .main h5{font-size:.96rem;color:var(--ink);margin-bottom:1rem}
.app-mock .kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:1.2rem}
.app-mock .kpi{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:.8rem .9rem}
.app-mock .kpi .v{font-family:var(--serif);font-size:1.3rem;color:var(--ink);line-height:1.2}
.app-mock .kpi .l{font-size:.66rem;color:var(--ink-soft);letter-spacing:.03em;margin-top:.2rem}
.app-mock .rows{display:grid;gap:.45rem}
.app-mock .row{display:flex;align-items:center;gap:.7rem;font-size:.8rem;color:var(--ink);padding:.6em .8em;border:1px solid var(--line-soft);border-radius:6px;background:#fff}
.app-mock .row .st{margin-left:auto;font-size:.64rem;padding:.2em .7em;border-radius:20px;white-space:nowrap}
.app-mock .row .st.ai{background:#eef2ea;color:#5b6f54}
.app-mock .row .st.ok{background:#e9f1ea;color:#3f6f49}
.app-mock .row .st.hold{background:#f7ece2;color:#7d431a}
.app-mock .ck{width:17px;height:17px;border-radius:4px;background:var(--sage);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.7rem;flex-shrink:0}
.app-mock .ck.wait{background:#d9c39a;color:#6b5326}
.app-mock .flag{margin-top:1.1rem;font-size:.78rem;color:var(--accent-soft);background:#eef2f7;border:1px dashed var(--accent);border-radius:6px;padding:.7em .9em;line-height:1.7}
.app-caption{text-align:center;font-size:.78rem;color:var(--ink-soft);margin-top:1.1rem}
.app-caption a{color:var(--accent-soft);text-decoration:underline}
@media(max-width:680px){.app-mock .body{grid-template-columns:1fr}.app-mock .side{display:none}.app-mock .kpis{grid-template-columns:1fr 1fr}}

/* sticky mobile cta（トップページと同仕様） */
.sticky-cta{display:none}
@media(max-width:680px){
  .sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.94);backdrop-filter:saturate(150%) blur(10px);border-top:1px solid var(--line);transition:transform .35s}
  .sticky-cta.hide{transform:translateY(110%)}
  .sticky-cta .btn{flex:1;justify-content:center}
  body{padding-bottom:76px}
}

/* responsive */
@media(max-width:880px){
  .approach{grid-template-columns:1fr;gap:24px}
  .offer-grid,.steps,.related{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){
  .wrap{padding:0 20px}
  .nav-links{position:fixed;top:68px;left:0;right:0;background:var(--washi);flex-direction:column;align-items:flex-start;gap:0;padding:1rem 20px 1.4rem;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .35s;max-height:calc(100vh - 68px);overflow-y:auto}
  .nav-links.open{transform:none}
  .nav-links a{padding:.7rem 0;width:100%;border-bottom:1px solid var(--line-soft);font-size:.95rem}
  .nav-links .nav-home{border:none;padding:.7rem 0}
  .nav-links .btn{margin-top:.8rem}
  .hamb{display:flex}
  .hamb.x span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .hamb.x span:nth-child(2){opacity:0}
  .hamb.x span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .issues,.offer-grid,.steps,.related{grid-template-columns:1fr}
}

/* focus & motion（index.htmlと統一） */
a:focus-visible,.btn:focus-visible,.hamb:focus-visible,summary:focus-visible{outline:2px solid #6f6f6f;outline-offset:3px;border-radius:4px}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}