/* ===== e-deai.info 共通スタイル ===== */
:root{
  --pink:#eb6f92;
  --pink-dark:#d05478;
  --pink-light:#fdeef3;
  --bg:#fffafb;
  --text:#38333a;
  --muted:#8a8290;
  --line:#f0dde4;
  --card:#ffffff;
  --gold:#f6c177;
  --shadow:0 6px 24px rgba(235,111,146,.12);
  --radius:16px;
  --max:1040px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,system-ui,sans-serif;
  color:var(--text);background:var(--bg);line-height:1.75;
  -webkit-font-smoothing:antialiased;font-size:16px;
}
img{max-width:100%;display:block}
a{color:var(--pink-dark)}
.container{max-width:var(--max);margin:0 auto;padding:0 18px}

/* ---- header ---- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-weight:800;font-size:1rem;color:var(--pink-dark);text-decoration:none;letter-spacing:.01em;line-height:1.25;max-width:72%}
.logo span{color:var(--text);font-weight:700}
.nav{display:flex;gap:18px}
.nav a{color:var(--text);text-decoration:none;font-size:.9rem;font-weight:600;white-space:nowrap}
.nav a:hover{color:var(--pink-dark)}
.menu-btn{display:none;background:none;border:0;font-size:1.5rem;color:var(--pink-dark);cursor:pointer}

/* ---- hero ---- */
.hero{
  background:linear-gradient(135deg,#fde0ea 0%,#fff1f5 55%,#fef6ef 100%);
  padding:54px 0 48px;text-align:center;
}
.hero h1{font-size:1.9rem;line-height:1.5;margin-bottom:14px}
.hero h1 em{color:var(--pink-dark);font-style:normal}
.hero p{color:var(--muted);font-size:1rem;max-width:640px;margin:0 auto 22px}
.hero .btn{font-size:1.05rem}

/* ---- buttons ---- */
.btn{
  display:inline-block;background:var(--pink);color:#fff;text-decoration:none;
  padding:13px 30px;border-radius:999px;font-weight:700;box-shadow:var(--shadow);
  transition:transform .15s,background .15s;border:0;cursor:pointer;
}
.btn:hover{background:var(--pink-dark);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--pink-dark);border:2px solid var(--pink)}
.btn-outline:hover{background:var(--pink-light);color:var(--pink-dark)}
.btn-block{display:block;width:100%;text-align:center}

/* ---- section ---- */
section{padding:46px 0}
.section-title{text-align:center;font-size:1.5rem;margin-bottom:8px}
.section-title::after{content:"";display:block;width:48px;height:3px;background:var(--pink);margin:12px auto 0;border-radius:3px}
.section-lead{text-align:center;color:var(--muted);margin-bottom:30px}

/* ---- ranking card ---- */
.rank-list{display:flex;flex-direction:column;gap:22px}
.rank-card{
  position:relative;background:var(--card);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:26px 22px 22px;border:1px solid var(--line);overflow:hidden;
}
.rank-card.r1{border:2px solid var(--gold)}
.rank-badge{
  position:absolute;top:0;left:0;background:var(--pink);color:#fff;font-weight:800;
  font-size:.8rem;padding:6px 16px 6px 14px;border-bottom-right-radius:14px;
}
.rank-card.r1 .rank-badge{background:linear-gradient(90deg,#f6c177,#e0a04a)}
.rank-head{display:flex;align-items:center;gap:14px;margin:10px 0 6px}
.rank-avatar{width:56px;height:56px;border-radius:14px;flex:0 0 56px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1.4rem}
.rank-name{font-size:1.2rem;font-weight:800}
.rank-catch{color:var(--pink-dark);font-weight:700;font-size:.92rem}
.stars{color:var(--gold);font-size:1rem;letter-spacing:1px}
.rating-num{color:var(--muted);font-size:.85rem;margin-left:6px}
.rank-spec{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;margin:14px 0;font-size:.86rem}
.rank-spec div{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding-bottom:5px}
.rank-spec dt{color:var(--muted)}
.rank-spec dd{font-weight:700}
.rank-summary{font-size:.9rem;margin:4px 0 16px;color:var(--text)}
.rank-cta{display:flex;gap:10px;flex-wrap:wrap}
.rank-cta .btn{flex:1 1 auto}

/* ---- quick compare table ---- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow)}
table.compare{width:100%;border-collapse:collapse;background:#fff;min-width:620px}
table.compare th,table.compare td{padding:12px 10px;text-align:center;border-bottom:1px solid var(--line);font-size:.86rem}
table.compare thead th{background:var(--pink);color:#fff;font-weight:700}
table.compare tbody tr:nth-child(even){background:var(--pink-light)}
table.compare td.name{font-weight:800;text-align:left;white-space:nowrap}

/* ---- feature cards ---- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow);border:1px solid var(--line)}
.card .ico{font-size:1.8rem;margin-bottom:8px}
.card h3{font-size:1.05rem;margin-bottom:8px}
.card p{font-size:.9rem;color:var(--muted)}

/* ---- purpose grid ---- */
.purpose-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.purpose-grid a{
  display:block;text-decoration:none;color:var(--text);background:#fff;border-radius:var(--radius);
  padding:22px;text-align:center;box-shadow:var(--shadow);border:1px solid var(--line);transition:transform .15s;
}
.purpose-grid a:hover{transform:translateY(-3px)}
.purpose-grid .ico{font-size:2rem;display:block;margin-bottom:8px}

/* ---- article body ---- */
.article{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:34px 28px;border:1px solid var(--line)}
.article h2{font-size:1.3rem;margin:30px 0 12px;padding-left:12px;border-left:5px solid var(--pink)}
.article h3{font-size:1.1rem;margin:22px 0 10px;color:var(--pink-dark)}
.article p{margin-bottom:16px}
.article ul,.article ol{margin:0 0 16px 1.4em}
.article li{margin-bottom:6px}
.breadcrumb{font-size:.8rem;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted)}

/* ---- app detail ---- */
.detail-hero{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:28px 24px;border:1px solid var(--line);text-align:center}
.detail-hero .rank-avatar{margin:0 auto 12px;width:72px;height:72px;font-size:1.7rem}
.proscons{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0}
.proscons .box{background:#fff;border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);border:1px solid var(--line)}
.proscons .box h3{font-size:1rem;margin-bottom:10px}
.proscons .pros h3{color:#56949f}
.proscons .cons h3{color:var(--pink-dark)}
.proscons li{font-size:.88rem;margin:0 0 6px 1.2em}

/* ---- notice / alert ---- */
.notice{background:var(--pink-light);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:.84rem;color:var(--muted);margin:18px 0}
.r18{display:inline-block;background:#fff;border:2px solid var(--pink);color:var(--pink-dark);border-radius:8px;padding:2px 10px;font-weight:800;font-size:.8rem}

/* ---- cta band ---- */
.cta-band{background:linear-gradient(135deg,var(--pink),var(--pink-dark));color:#fff;text-align:center;border-radius:var(--radius);padding:34px 20px;margin:10px 0}
.cta-band h2{font-size:1.3rem;margin-bottom:10px}
.cta-band p{opacity:.95;margin-bottom:18px}
.cta-band .btn{background:#fff;color:var(--pink-dark)}
.cta-band .btn:hover{background:var(--pink-light)}

/* ---- footer ---- */
.site-footer{background:#2d2730;color:#cfc6d3;padding:34px 0 24px;margin-top:40px;font-size:.85rem}
.site-footer a{color:#f3cdda;text-decoration:none}
.footer-nav{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-bottom:16px}
.site-footer .copy{text-align:center;color:#8a8290}
.site-footer .disc{max-width:720px;margin:0 auto 18px;text-align:center;font-size:.78rem;color:#9a90a0;line-height:1.7}

/* ---- helpers ---- */
.mt0{margin-top:0}.center{text-align:center}.mb24{margin-bottom:24px}
.lead-list{list-style:none;margin:18px 0}
.lead-list li{padding:8px 0 8px 30px;position:relative;border-bottom:1px solid var(--line)}
.lead-list li::before{content:"✓";position:absolute;left:4px;color:var(--pink);font-weight:800}

/* ---- responsive ---- */
@media(max-width:820px){
  .cards,.purpose-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav{position:fixed;inset:60px 0 auto 0;background:#fff;flex-direction:column;gap:0;border-bottom:1px solid var(--line);display:none;box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a{padding:14px 20px;border-bottom:1px solid var(--line)}
  .menu-btn{display:block}
  .logo{font-size:.82rem;max-width:80%}
  .hero h1{font-size:1.5rem}
  .cards,.purpose-grid,.proscons,.rank-spec{grid-template-columns:1fr}
  .rank-cta{flex-direction:column}
}