:root{
  --bg:#f6f7fb;
  --card:#ffffff;
  --text:#222;
  --muted:#666;
  --border:#e6e8ef;
  --primary:#3b82f6; /* メインカラーはここ */
  --r:14px;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 16px}

/* header */
.header{
  position:sticky;top:0;z-index:10;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 8px;gap:12px}
.brand-title{font-size:18px;margin:0}
.brand-sub{font-size:12px;color:var(--muted)}
.nav{display:flex;gap:14px;font-size:13px;color:var(--muted)}
.nav a:hover{color:var(--primary)}

/* common */
.main{padding:18px 0 40px}
.h1{font-size:22px;margin:14px 0 8px}
.lead{color:var(--muted);margin:0 0 14px;font-size:13px;line-height:1.6}

.panel{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r);
  padding:14px;
  box-shadow:0 6px 18px rgba(20,30,60,.06);
}
.box{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r);
  box-shadow:0 6px 18px rgba(20,30,60,.06);
}
.pad{padding:14px}

/* forms (index) */
.form{display:grid;grid-template-columns:1.6fr .9fr .7fr auto;gap:10px}
.form input,.form select{
  width:100%;
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius:12px;
  background:#fff;
  font-size:14px;
}
.form button{
  padding:10px 12px;
  border:0;
  border-radius:12px;
  background:var(--primary);
  color:#fff;
  font-weight:700;
  cursor:pointer;
}
.form button:hover{filter:brightness(.95)}
.resultline{
  margin-top:10px;
  color:var(--muted);
  font-size:13px;
  display:flex;
  justify-content:space-between;
  gap:10px;
  flex-wrap:wrap;
}

/* grid cards (index + related) */
.grid{margin-top:14px;display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r);
  overflow:hidden;
  box-shadow:0 6px 18px rgba(20,30,60,.05);
  display:flex;
  flex-direction:column;
  min-height:260px;
}
.thumb{aspect-ratio:5/5;background:#f0f2f7;display:block}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.card-body{padding:10px 10px 12px;display:flex;flex-direction:column;gap:6px}
.title2{
  font-size:13px;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;min-height:36px
}
.meta{font-size:12px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}
.kpi{margin-top:auto;font-size:12px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}
.badge-new{
  display:inline-block;
  margin-left:6px;
  padding:2px 8px;
  border-radius:999px;
  background:#ffedf2;
  color:#b42350;
  border:1px solid #ffd3e1;
  font-size:11px;
  font-weight:700;
}

/* pager (index) */
.pager{margin-top:16px;display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.pager a,.pager span{
  padding:8px 10px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#fff;
  font-size:13px;
}
.pager .current{background:var(--primary);border-color:var(--primary);color:#fff}

/* detail */
.breadcrumb{font-size:12px;color:var(--muted);margin-top:10px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}

.detail{display:grid;grid-template-columns:340px 1fr;gap:14px;margin-top:12px}
.detail-thumb{overflow:hidden}
.detail-thumb img{width:100%;display:block}

.detail-title{font-size:18px;margin:0 0 8px;line-height:1.4}
.detail-meta{color:var(--muted);font-size:13px;display:flex;gap:10px;flex-wrap:wrap}
.tags{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}
.tag{
  font-size:11px;
  padding:3px 8px;
  background:#f1f5ff;
  color:#234;
  border:1px solid #e7ecff;
  border-radius:999px;
}
.btnrow{margin-top:12px;display:flex;gap:10px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 12px;border-radius:12px;
  border:1px solid var(--border);
  background:#fff;font-weight:700;font-size:13px;
}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{filter:brightness(.95)}

.h2{font-size:16px;margin:0 0 10px}


/* sample images（比率そのまま・切らない） */
.sample-grid{
  display:grid;
  grid-template-columns:repeat(1, 1fr);
  gap:16px;
  width:80%;
  margin:0 auto; /* 中央寄せ */
}

/* 画像は切らない（重要） */
.samimg{
  width:100%;
  height:auto;              /* これが大事 */
  display:block;
  border-radius:14px;
  background:#f0f2f7;
  object-fit:contain;       /* 念のため（imgでは効かないケースもあるが害はない） */
}


/* スマホ：1行に1枚 */
@media (max-width:560px){
  .sample-grid{ grid-template-columns:1fr;
width:100%;
}
}





/* responsive */
@media (max-width:1100px){ .grid{grid-template-columns:repeat(4,1fr)} }
@media (max-width:900px){
  .form{grid-template-columns:1fr 1fr}
  .grid{grid-template-columns:repeat(3,1fr)}
  .detail{grid-template-columns:1fr}
}
@media (max-width:560px){
  .grid{grid-template-columns:repeat(2,1fr)}
}