/* ===== Base ===== */
:root{
  --bg:#ffffff;
  --fg:#0f172a;
  --muted:#475569;
  --line:#e2e8f0;
  --brand:#ec4899;     /* pink */
  --brand-ink:#9d174d; /* deep rose */
  --brand-soft:#ffe4ef;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  color:var(--fg);
  background:var(--bg);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Noto Sans JP, 'ヒラギノ角ゴ ProN', 'メイリオ', Arial, sans-serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:var(--brand);text-decoration:none;}
a:hover{text-decoration:underline;}
.container{max-width:1100px;margin:0 auto;padding:0 20px;}
.muted{color:var(--muted);font-size:.95rem;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:30;
  background:rgba(255,255,255,.7);
  backdrop-filter:saturate(120%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px;}
.logo{font-weight:800;color:var(--fg);letter-spacing:.02em;}
.nav{display:flex;gap:18px;align-items:center;}
.nav a{padding:8px 10px;border-radius:8px;}
.nav a:hover{background:var(--line);text-decoration:none;}
.nav-toggle{display:none;background:none;border:none;font-size:22px;line-height:1;}
@media (max-width: 800px){
  .nav{position:absolute;inset:64px 0 auto 0;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);padding:12px 16px;display:none;flex-direction:column;}
  .nav.open{display:flex;}
  .nav-toggle{display:inline-block;}
}

/* ===== Hero ===== */
.hero{
  position:relative;
  padding: 92px 0 72px;
  border-bottom:1px solid var(--line);
  background: linear-gradient(180deg, #fff0f7 0%, #ffffff 100%);
  isolation:isolate;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background-image: var(--hero);
  background-size:cover; background-position:center;
  opacity:.18;
  z-index:-1;
}
.hero-inner{max-width:820px;}
.hero h1{font-size:clamp(30px,4vw,46px);margin:0 0 12px;color:var(--brand-ink);}
.hero p{margin:0 0 12px;color:var(--muted);}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 6px;padding:0;list-style:none}
.badges li{font-size:.92rem;background:var(--brand-soft);color:var(--brand-ink);padding:6px 10px;border-radius:999px;border:1px solid #ffd1e6;}
.btn{
  display:inline-block;background:var(--brand);color:#fff;border-radius:999px;
  padding:11px 20px;font-weight:700;border:1px solid #db2777;box-shadow:0 6px 12px rgba(236,72,153,.25);
}
.btn:hover{opacity:.92;text-decoration:none;}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--line);}
.pill{display:inline-block;margin-left:.5em;padding:.1em .55em;border-radius:999px;background:#ffe4ef;color:#9d174d;font-size:.8em;}

/* ===== Sections & Cards ===== */
.section{padding:64px 0;}
.section.alt{background:#fafafa;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
h2{font-size:clamp(22px,3vw,30px);margin:0 0 18px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;
  box-shadow:0 1px 0 rgba(0,0,0,.03);
}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
@media (max-width: 900px){ .grid{grid-template-columns:1fr;} }
.def{display:grid;grid-template-columns: 160px 1fr;gap:10px 20px;margin:0;}
.def > div{display:contents;}
.def dt{color:var(--muted);}
.def dd{margin:0;}
.simple{padding-left:18px;margin:8px 0;}
.lead{font-size:1.1rem;}
.note{color:var(--muted);font-size:.92rem;margin-top:10px}

/* Services icons */
.services .icon{width:44px;height:44px;border-radius:10px;background:var(--brand-soft);display:grid;place-items:center;margin-bottom:8px;border:1px solid #ffd1e6;}
.services .icon svg{width:26px;height:26px;fill:var(--brand-ink);}

/* News card */
.news{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:center;}
.news-visual{margin:0}
.news-visual img{width:100%;height:auto;border-radius:12px;display:block;border:1px solid var(--line);}
@media (max-width: 800px){ .news{grid-template-columns:1fr;} }

/* Gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.gallery-grid .photo{margin:0}
.gallery-grid img{width:100%;height:100%;object-fit:cover;border-radius:14px;border:1px solid var(--line);box-shadow:0 6px 18px rgba(16,24,40,.06);aspect-ratio:4/3;}
@media (max-width: 1000px){ .gallery-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width: 640px){ .gallery-grid{grid-template-columns:1fr;} }

/* Footer / social */
.socials{display:flex;gap:12px;margin-top:8px}
.sns{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:10px;background:#fff;border:1px solid var(--line)}
.sns svg{width:22px;height:22px;fill:#111827}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:24px 0;background:#fff;color:var(--muted);}