/* フィールドワード本体サイト — ブランド共通ベース（形=メルレス準拠）＋コーポレート一閃グラデ */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #fbf8f2;
  --surface: #fffdf9;
  --ink: #17171a;
  --text: #22252a;
  --muted: #5f646b;
  --faint: #a9aeb5;
  --border: #ece7dd;
  --grad: linear-gradient(135deg, #4F46E5, #7C3AED, #EC6A5E);
  --grad-h: linear-gradient(90deg, #4F46E5, #7C3AED, #EC6A5E);
  --merures: #1f8f6f;
  --byoume: #2563EB;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(40, 45, 60, 0.03), 0 8px 24px rgba(40, 45, 60, 0.05);
}
html { scroll-behavior: smooth; }
body {
  font-family: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-weight: 500;
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.8;
}
.container { max-width: 960px; margin: 0 auto; padding: 0 24px; }

/* header */
header { padding: 20px 0; }
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.mark { width: 34px; height: 34px; border-radius: 9px; background: var(--grad); flex: none; }
.brand-name { font-weight: 800; font-size: 18px; letter-spacing: .05em; }
.brand-name small { font-size: 11px; color: var(--faint); font-weight: 600; margin-left: 8px; letter-spacing: .1em; }
nav { display: flex; gap: 22px; }
nav a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 600; }
nav a:hover { color: var(--ink); }

/* hero */
.hero { padding: 88px 0 72px; }
.hero h1 { font-size: 44px; font-weight: 800; line-height: 1.5; letter-spacing: .02em; color: var(--ink); }
.hero .slash { width: 200px; height: 6px; border-radius: 999px; background: var(--grad-h); margin: 30px 0; }
.hero p { font-size: 18px; color: var(--muted); max-width: 640px; }

/* sections */
section { padding: 56px 0; }
h2 { font-size: 26px; font-weight: 800; letter-spacing: .04em; color: var(--ink); margin-bottom: 28px; }
h2 small { display: block; font-size: 12px; color: var(--faint); font-weight: 600; letter-spacing: .14em; margin-bottom: 6px; }

/* product cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 20px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column;
}
.card .tag { display: inline-block; align-self: flex-start; font-size: 11px; font-weight: 700; letter-spacing: .08em; padding: 4px 12px; border-radius: 999px; margin-bottom: 14px; }
.tag.merures { background: #e7f4ee; color: var(--merures); }
.tag.byoume { background: #e8effc; color: var(--byoume); }
.tag.soon { background: #f1efe9; color: var(--faint); }
.card h3 { font-size: 20px; font-weight: 800; color: var(--ink); margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--muted); flex: 1; }
.card .price { font-size: 13px; color: var(--text); font-weight: 700; margin: 14px 0; }
.btn {
  display: inline-block; text-align: center; text-decoration: none;
  padding: 11px 24px; border-radius: 999px; font-size: 14px; font-weight: 700;
}
.btn.solid-merures { background: var(--merures); color: #fff; }
.btn.solid-merures:hover { background: #17795d; }
.btn.solid-byoume { background: var(--byoume); color: #fff; }
.btn.solid-byoume:hover { background: #1d4ed8; }
.btn.ghost { border: 1px solid var(--border); color: var(--muted); background: var(--surface); }
.btn.ghost:hover { border-color: var(--ink); color: var(--ink); }
.btn.disabled { background: #d7d3ca; color: #fff; pointer-events: none; }

/* about */
.about-table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.about-table th, .about-table td { text-align: left; padding: 16px 22px; border-bottom: 1px solid var(--border); font-size: 14px; }
.about-table tr:last-child th, .about-table tr:last-child td { border-bottom: none; }
.about-table th { width: 160px; color: var(--muted); font-weight: 600; background: #f7f3ec; }

/* footer */
footer { padding: 44px 0 56px; border-top: 1px solid var(--border); margin-top: 40px; }
footer .links { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 16px; }
footer a { color: var(--muted); text-decoration: none; font-size: 13px; }
footer a:hover { color: var(--ink); }
footer .copy { color: var(--faint); font-size: 12px; }

/* product page */
.prod-hero { padding: 72px 0 40px; }
.prod-hero .icon { width: 72px; height: 72px; border-radius: 18px; margin-bottom: 22px; }
.prod-hero h1 { font-size: 38px; font-weight: 800; line-height: 1.5; color: var(--ink); }
.prod-hero p.lead { font-size: 18px; color: var(--muted); margin-top: 14px; max-width: 620px; }
.cta-row { display: flex; gap: 14px; align-items: center; margin-top: 28px; flex-wrap: wrap; }
.badge-review { font-size: 12px; color: #b4560f; background: #fdf6ee; border: 1px solid #f0c9a8; padding: 6px 14px; border-radius: 999px; font-weight: 700; }
.shots { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.shots img { width: 100%; border-radius: 12px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.feature h3 { font-size: 16px; font-weight: 800; color: var(--ink); margin-bottom: 8px; }
.feature p { font-size: 13.5px; color: var(--muted); }
.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; max-width: 640px; }
.plan { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.plan .name { font-weight: 800; color: var(--ink); }
.plan .amount { font-size: 30px; font-weight: 800; color: var(--ink); margin: 8px 0; }
.plan .amount small { font-size: 13px; color: var(--faint); font-weight: 600; }
.plan ul { list-style: none; margin-top: 10px; }
.plan li { font-size: 13.5px; color: var(--muted); padding: 4px 0; }
.plan li::before { content: "✓ "; color: var(--byoume); font-weight: 700; }

@media (max-width: 640px) {
  .hero h1 { font-size: 32px; }
  .prod-hero h1 { font-size: 28px; }
  .shots { grid-template-columns: 1fr; }
  nav { display: none; }
}