/* ============================================
   アカギのAI相談室 akagi-ai.com 共通スタイル
   ============================================ */
:root{
  --navy:#16324f; --navy2:#1f4468; --blue:#2f6db0;
  --accent:#e8762a; --accent-dark:#cf6520;
  --ink:#23303d; --muted:#5f6e7c;
  --bg:#fafbfc; --bg-soft:#f1f5f9; --line:#e3e8ee;
  --maxw:1080px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.9;
  -webkit-text-size-adjust:100%;font-size:16px;
}
img{max-width:100%}
a{color:var(--blue)}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
.hwrap{max-width:var(--maxw);margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.logo{font-weight:900;font-size:1.15rem;color:var(--navy);text-decoration:none;letter-spacing:.04em}
.logo small{display:block;font-size:.62rem;font-weight:600;color:var(--muted);letter-spacing:.18em}
nav{display:flex;gap:4px 18px;flex-wrap:wrap;align-items:center}
nav a{color:var(--ink);text-decoration:none;font-size:.88rem;font-weight:600;padding:6px 2px;border-bottom:2px solid transparent}
nav a:hover{border-bottom-color:var(--accent)}
nav a.current{border-bottom-color:var(--accent);color:var(--navy)}
nav a.cta{background:var(--accent);color:#fff;border-radius:999px;padding:8px 20px;border:none}
nav a.cta:hover{background:var(--accent-dark)}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
section{padding:72px 0}
section.soft{background:var(--bg-soft)}
.sec-label{color:var(--accent);font-weight:800;font-size:.8rem;letter-spacing:.22em;margin-bottom:10px}
h2.sec-title{font-size:1.7rem;color:var(--navy);line-height:1.5;margin-bottom:28px;font-weight:800}
.lead{color:var(--muted);max-width:760px;margin-bottom:34px}

/* ---------- hero ---------- */
.hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy2) 55%,var(--blue) 130%);
  color:#fff;padding:96px 0 88px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;width:560px;height:560px;border-radius:50%;
  background:rgba(255,255,255,.06);top:-180px;right:-140px}
.hero::before{content:"";position:absolute;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.05);bottom:-120px;left:-80px}
.hero .wrap{position:relative;z-index:1}
.hero h1{font-size:clamp(1.7rem,4.6vw,2.7rem);font-weight:900;line-height:1.6;letter-spacing:.02em}
.hero h1 em{font-style:normal;color:#ffc58f}
.hero p.sub{margin:22px 0 36px;font-size:1.02rem;opacity:.92;max-width:640px}
.btn{display:inline-block;text-decoration:none;font-weight:800;border-radius:999px;
  padding:15px 36px;font-size:1rem;transition:.15s}
.btn.primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(232,118,42,.35)}
.btn.primary:hover{background:var(--accent-dark);transform:translateY(-1px)}
.btn.ghost{border:2px solid rgba(255,255,255,.7);color:#fff;margin-left:14px}
.btn.ghost:hover{background:rgba(255,255,255,.12)}
.btn.navy{background:var(--navy);color:#fff}
.btn.navy:hover{background:var(--navy2)}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:22px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;
  box-shadow:0 2px 12px rgba(22,50,79,.05)}
.card h3{color:var(--navy);font-size:1.08rem;margin-bottom:12px;line-height:1.5}
.card p{font-size:.92rem;color:var(--ink)}
.card .num{font-size:2.1rem;font-weight:900;color:var(--accent);line-height:1.2}
.card .small{font-size:.8rem;color:var(--muted)}
.icon{font-size:1.9rem;margin-bottom:10px;display:block}

/* チェックリスト風 */
.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;max-width:820px}
.checks div{background:#fff;border:1px solid var(--line);border-left:5px solid var(--accent);
  border-radius:10px;padding:14px 18px;font-weight:600;font-size:.95rem}

/* 料金カード */
.price-card{display:flex;flex-direction:column}
.price-card .price{font-size:1.5rem;font-weight:900;color:var(--navy);margin:8px 0 2px}
.price-card .price small{font-size:.8rem;font-weight:600;color:var(--muted)}
.price-card .role{display:inline-block;background:var(--bg-soft);color:var(--navy);
  border-radius:999px;font-size:.74rem;font-weight:800;padding:3px 14px;margin-bottom:12px;align-self:flex-start}
.price-card ul{list-style:none;margin:12px 0 0;font-size:.88rem}
.price-card li{padding:6px 0 6px 24px;position:relative;border-bottom:1px dashed var(--line)}
.price-card li::before{content:"✓";position:absolute;left:2px;color:var(--accent);font-weight:900}

/* デモカード */
.demo-card{display:flex;flex-direction:column;gap:8px}
.demo-card .shot{background:linear-gradient(135deg,var(--navy),var(--blue));border-radius:10px;
  color:#fff;font-weight:800;text-align:center;padding:34px 12px;font-size:1.05rem;letter-spacing:.04em}
.demo-card .shot.g{background:linear-gradient(135deg,#1d4d3b,#2e8b57)}
.demo-card .shot.p{background:linear-gradient(135deg,#5a2d82,#8e54a8)}
.demo-card .shot.o{background:linear-gradient(135deg,#8a4b14,#e8762a)}
.demo-card a.link{font-weight:700;font-size:.9rem}

/* 流れ */
.flow{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.flow div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 18px;position:relative}
.flow div::before{counter-increment:step;content:counter(step);
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;
  background:var(--navy);color:#fff;font-weight:900;margin-bottom:10px}
.flow h4{font-size:.98rem;color:var(--navy);margin-bottom:6px}
.flow p{font-size:.84rem;color:var(--muted)}

/* FAQ */
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin-bottom:12px}
details summary{font-weight:800;color:var(--navy);cursor:pointer;font-size:.96rem}
details p{margin-top:10px;font-size:.9rem}

/* テーブル */
table.plain{width:100%;border-collapse:collapse;background:#fff;font-size:.92rem}
table.plain th,table.plain td{border:1px solid var(--line);padding:13px 16px;text-align:left;vertical-align:top}
table.plain th{background:var(--bg-soft);color:var(--navy);white-space:nowrap}

/* CTAバンド */
.cta-band{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;
  border-radius:18px;padding:48px 36px;text-align:center}
.cta-band h2{font-size:1.45rem;margin-bottom:10px;font-weight:900}
.cta-band p{opacity:.9;margin-bottom:26px;font-size:.95rem}

/* note/プロフィール */
.profile-box{display:grid;grid-template-columns:200px 1fr;gap:34px;align-items:start}
.avatar{width:200px;height:200px;border-radius:18px;background:linear-gradient(135deg,var(--navy),var(--blue));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:3.2rem;font-weight:900}

/* footer */
footer{background:var(--navy);color:#c9d8e8;padding:44px 0 30px;margin-top:0}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}
footer a{color:#fff;text-decoration:none;font-size:.88rem}
footer a:hover{text-decoration:underline}
footer .fnav{display:flex;gap:20px;flex-wrap:wrap}
footer .copy{font-size:.78rem;opacity:.7;width:100%;margin-top:18px}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .grid.c3{grid-template-columns:1fr}
  .grid.c2{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .checks{grid-template-columns:1fr}
  .profile-box{grid-template-columns:1fr}
  .avatar{width:140px;height:140px;font-size:2.2rem}
  section{padding:54px 0}
  .hero{padding:70px 0 64px}
  .btn.ghost{margin-left:0;margin-top:12px}
}