:root{
  --bg:#ffffff;
  --ink:#0f172a;
  --muted:#64748b;
  --line:#e2e8f0;

  --brand:#2563eb;
  --brand2:#22c55e;
  --accent:#f59e0b;

  --tint:#f7fafc;
  --radius:18px;
  --shadow: 0 18px 50px rgba(15, 23, 42, .10);
  --shadow2: 0 10px 28px rgba(15, 23, 42, .08);
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; background:var(--bg); color:var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif;
}
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }

.container{ width:min(1120px, 92vw); margin:0 auto; }

.header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.72);
  backdrop-filter: blur(12px);
  border-bottom:1px solid rgba(226,232,240,.7);
}
.header__inner{ display:flex; align-items:center; justify-content:space-between; padding:14px 0; gap:14px; }
.logo{ display:flex; align-items:center; gap:10px; }
.logo__mark{
  width:34px; height:34px; border-radius:12px;
  background:
    radial-gradient(10px 10px at 30% 35%, rgba(255,255,255,.9), rgba(255,255,255,0)),
    linear-gradient(135deg, rgba(37,99,235,.95), rgba(34,197,94,.9));
  box-shadow: var(--shadow2);
}
.logo__text{ font-weight:800; letter-spacing:.02em; }

.nav{ display:flex; align-items:center; gap:16px; }
.nav a{ color:var(--muted); font-weight:700; font-size:14px; }
.nav a:hover{ color:var(--ink); }
.nav__cta{
  padding:10px 14px; border-radius:999px;
  background:linear-gradient(135deg, rgba(37,99,235,.95), rgba(34,197,94,.9));
  color:#fff !important;
  box-shadow: var(--shadow2);
}

.hero{ position:relative; padding:54px 0 24px; overflow:hidden; }
.hero__bg{
  position:absolute; inset:-40px;
  background:
    radial-gradient(900px 420px at 20% 15%, rgba(37,99,235,.18), rgba(255,255,255,0)),
    radial-gradient(900px 420px at 85% 10%, rgba(245,158,11,.14), rgba(255,255,255,0)),
    radial-gradient(900px 520px at 70% 90%, rgba(34,197,94,.14), rgba(255,255,255,0));
  filter:saturate(1.05);
  pointer-events:none;
}
.hero__inner{ position:relative; display:grid; grid-template-columns: 1.08fr .92fr; gap:28px; align-items:center; }
@media (max-width: 920px){ .hero__inner{ grid-template-columns:1fr; } }

.badge-row{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom:14px; }
.badge{
  padding:8px 12px; border-radius:999px; font-weight:800; font-size:12px;
  background:rgba(37,99,235,.10); color:rgba(37,99,235,.95);
  border:1px solid rgba(37,99,235,.14);
}
.badge--soft{ background:rgba(34,197,94,.10); color:rgba(21,128,61,.95); border-color:rgba(34,197,94,.18); }
.badge--line{ background:rgba(245,158,11,.10); color:rgba(180,83,9,.95); border-color:rgba(245,158,11,.18); }

.hero__title{ font-size: clamp(30px, 4vw, 44px); line-height:1.08; margin:0 0 10px; letter-spacing:.02em; }
.hero__lead{ margin:0 0 14px; color:var(--muted); font-size:16px; line-height:1.7; }
.hero__bullets{ margin:0 0 18px; padding-left:18px; color:var(--ink); }
.hero__bullets li{ margin:6px 0; color:rgba(15,23,42,.92); }

.hero__cta{ display:flex; gap:10px; flex-wrap:wrap; margin:16px 0 14px; }
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 16px; border-radius:14px; font-weight:900;
  border:1px solid transparent; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{ transform: translateY(-1px); box-shadow: var(--shadow2); }
.btn--primary{ color:#fff; background:linear-gradient(135deg, rgba(37,99,235,.95), rgba(34,197,94,.9)); }
.btn--ghost{ background:#fff; border-color:var(--line); color:var(--ink); }
.btn--full{ width:100%; }

.trust-row{
  margin-top:10px;
  display:grid; grid-template-columns: repeat(3, 1fr);
  gap:10px;
}
@media (max-width: 920px){ .trust-row{ grid-template-columns:1fr; } }
.trust{
  border:1px solid rgba(226,232,240,.9);
  background:rgba(255,255,255,.68);
  border-radius:16px;
  padding:12px 12px;
}
.trust__k{ font-size:12px; font-weight:900; color:var(--muted); margin-bottom:6px; }
.trust__v{ font-weight:900; }
.pill{ display:inline-flex; align-items:center; padding:6px 10px; border-radius:999px; font-size:12px; font-weight:900; margin-right:8px; }
.pill--ok{ background:rgba(34,197,94,.12); color:rgba(21,128,61,.95); border:1px solid rgba(34,197,94,.2); }
.muted{ color:var(--muted); }
.small{ font-size:12px; }

.photo-card{
  border-radius: var(--radius);
  overflow:hidden;
  box-shadow: var(--shadow);
  background:#fff;
  border:1px solid rgba(226,232,240,.8);
}
.photo-card img{ width:100%; height:auto; aspect-ratio: 4/3; object-fit:cover; }
.photo-card__cap{ padding:14px 14px 16px; }
.cap__title{ font-weight:1000; }
.cap__sub{ color:var(--muted); margin-top:4px; font-size:14px; line-height:1.6; }

.section{ padding:48px 0; }
.section--tint{ background: var(--tint); border-top:1px solid rgba(226,232,240,.7); border-bottom:1px solid rgba(226,232,240,.7); }
.section__head{ margin-bottom:18px; }
.h2{ margin:0 0 8px; font-size:24px; letter-spacing:.01em; }
.lead{ margin:0; color:var(--muted); line-height:1.7; }

.cards3{ display:grid; grid-template-columns: repeat(3, 1fr); gap:14px; }
@media (max-width: 920px){ .cards3{ grid-template-columns:1fr; } }
.card{
  border:1px solid rgba(226,232,240,.9);
  background:#fff;
  border-radius: var(--radius);
  padding:16px;
  box-shadow: 0 8px 22px rgba(15,23,42,.06);
}
.card h3{ margin:0 0 8px; font-size:16px; }
.card p{ margin:0; color:var(--muted); line-height:1.75; }

.steps{ list-style:none; margin:0; padding:0; display:grid; gap:10px; }
.step{
  display:flex; gap:12px;
  padding:14px;
  border-radius: var(--radius);
  border:1px solid rgba(226,232,240,.9);
  background:#fff;
}
.step__num{
  width:34px; height:34px; border-radius:12px;
  display:grid; place-items:center;
  font-weight:1000; color:#fff;
  background:linear-gradient(135deg, rgba(37,99,235,.95), rgba(34,197,94,.9));
}
.step__title{ font-weight:1000; margin-bottom:4px; }
.step__text{ color:var(--muted); line-height:1.7; }

.contact-grid{ display:grid; grid-template-columns: 1.05fr .95fr; gap:14px; align-items:start; }
@media (max-width: 920px){ .contact-grid{ grid-template-columns:1fr; } }

.contact-pills{ display:flex; flex-wrap:wrap; gap:10px; margin:12px 0 14px; }
.pill-btn{
  padding:10px 14px; border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-weight:900; color:var(--ink);
}

.form__row{ display:grid; gap:6px; margin-bottom:12px; }
.form label{ font-weight:900; font-size:13px; }
.form input, .form textarea{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid rgba(226,232,240,.95);
  outline:none;
  font-size:14px;
}
.form input:focus, .form textarea:focus{
  border-color: rgba(37,99,235,.55);
  box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}

.faq{ display:grid; gap:10px; }
.faq__item{
  border:1px solid rgba(226,232,240,.9);
  background:#fff;
  border-radius: var(--radius);
  padding:12px 14px;
}
.faq__item summary{ cursor:pointer; font-weight:1000; }
.faq__a{ margin-top:8px; color:var(--muted); line-height:1.75; }

.footer{ padding:26px 0; background:#0b1220; color:rgba(255,255,255,.9); }
.footer__inner{ display:flex; justify-content:space-between; align-items:flex-start; gap:10px; }
.footer__brand{ font-weight:1000; }
.footer .muted{ color:rgba(255,255,255,.65); }

.fab{
  position:fixed; right:14px; bottom:14px; z-index:80;
  display:flex; flex-direction:column; gap:10px;
}
.fab__btn{
  padding:12px 14px; border-radius:999px;
  color:#fff; font-weight:1000;
  background:linear-gradient(135deg, rgba(37,99,235,.95), rgba(34,197,94,.9));
  box-shadow: var(--shadow);
}
.fab__btn--tel{
  background:rgba(15,23,42,.92);
}

.mini-note{
  border:1px dashed rgba(226,232,240,.95);
  border-radius:16px;
  padding:12px 14px;
  background:rgba(255,255,255,.6);
}
.mini-note__title{ font-weight:1000; margin-bottom:4px; }
.mini-note__text{ color:var(--muted); line-height:1.7; }

/* ===============================
   Mobile: nav__cta を非表示
================================ */
@media (max-width: 768px){
  .nav__cta{
    display: none !important;
  }
}