:root {
  --ink: #0b1c24;
  --ink-soft: #1a333f;
  --sea: #0e6b6e;
  --sea-bright: #14919b;
  --sand: #e8eef1;
  --foam: #f5f8fa;
  --coral: #c45c26;
  --line: rgba(11, 28, 36, 0.12);
  --ok: #1f7a4c;
  --warn: #a15c00;
  --danger: #a12626;
  --radius: 10px;
  --shadow: 0 18px 40px rgba(11, 28, 36, 0.08);
  --font-display: "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
  --font-body: "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(20,145,155,.18), transparent 60%),
    radial-gradient(900px 400px at 100% 0%, rgba(196,92,38,.10), transparent 50%),
    linear-gradient(180deg, #f7fafb 0%, #eef3f5 100%);
  min-height: 100vh;
}

a { color: var(--sea); text-decoration: none; }
a:hover { color: var(--sea-bright); }

.cg-wrap { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; }

.cg-topbar {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(245,248,250,.88);
  border-bottom: 1px solid var(--line);
}
.cg-topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .85rem 0;
}
.cg-brand {
  font-family: var(--font-display);
  font-weight: 800; letter-spacing: .02em;
  color: var(--ink); font-size: 1.2rem;
}
.cg-brand span { color: var(--sea-bright); }
.cg-nav { display: flex; gap: .85rem; align-items: center; flex-wrap: wrap; }
.cg-nav a, .cg-lang select {
  font-size: .92rem; color: var(--ink-soft);
}
.cg-lang select {
  border: 1px solid var(--line); background: #fff;
  border-radius: 999px; padding: .35rem .7rem;
}

.cg-hero {
  padding: 3.2rem 0 2rem;
  display: grid; gap: 1rem;
}
.cg-hero h1 {
  margin: 0; font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.15; max-width: 16ch;
}
.cg-hero p { margin: 0; max-width: 48ch; color: var(--ink-soft); font-size: 1.05rem; }
.cg-actions { display: flex; gap: .7rem; flex-wrap: wrap; margin-top: .5rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .4rem; border: 0; cursor: pointer;
  border-radius: 999px; padding: .7rem 1.15rem;
  font-weight: 650; font-size: .95rem;
  transition: transform .15s ease, opacity .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-accent { background: var(--coral); color: #fff; }
.btn-ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn-sea { background: var(--sea); color: #fff; }

.cg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem; padding: 1rem 0 3rem;
}
.cg-product {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column;
  transition: transform .18s ease;
}
.cg-product:hover { transform: translateY(-3px); }
.cg-product-img {
  aspect-ratio: 1; background: var(--sand);
  background-size: cover; background-position: center;
}
.cg-product-body { padding: .85rem .95rem 1rem; display: grid; gap: .35rem; }
.cg-product-body h3 { margin: 0; font-size: .98rem; line-height: 1.35; }
.cg-price { font-weight: 750; color: var(--coral); }
.cg-badge {
  display: inline-block; font-size: .72rem; font-weight: 700;
  padding: .2rem .5rem; border-radius: 999px;
  background: rgba(14,107,110,.12); color: var(--sea);
}

.cg-panel {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.2rem;
  box-shadow: var(--shadow); margin: 1rem 0;
}
.cg-panel h2 { margin: 0 0 .8rem; font-size: 1.15rem; }

.form-grid { display: grid; gap: .85rem; }
.form-row { display: grid; gap: .35rem; }
.form-row label { font-size: .86rem; font-weight: 650; color: var(--ink-soft); }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 8px;
  padding: .65rem .75rem; font: inherit; background: var(--foam);
}
.form-row textarea { min-height: 110px; resize: vertical; }
.checks { display: grid; gap: .45rem; }
.checks label {
  display: flex; gap: .55rem; align-items: flex-start;
  background: var(--foam); border: 1px solid var(--line);
  border-radius: 8px; padding: .55rem .7rem; cursor: pointer;
  font-size: .9rem;
}
.checks input { margin-top: .2rem; }

.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th, .table td { padding: .65rem .5rem; border-bottom: 1px solid var(--line); text-align: left; }
.table th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-soft); }

.flash { padding: .75rem 1rem; border-radius: 8px; margin: .8rem 0; }
.flash-ok { background: rgba(31,122,76,.12); color: var(--ok); }
.flash-err { background: rgba(161,38,38,.12); color: var(--danger); }
.flash-info { background: rgba(14,107,110,.12); color: var(--sea); }

.template-box {
  background: #0b1c24; color: #d7e6ea; border-radius: 10px;
  padding: 1rem; white-space: pre-wrap; font-family: ui-monospace, Consolas, monospace;
  font-size: .84rem; line-height: 1.45; max-height: 320px; overflow: auto;
}

.cg-footer {
  border-top: 1px solid var(--line); padding: 1.5rem 0 2rem;
  color: var(--ink-soft); font-size: .85rem; margin-top: 2rem;
}

.cg-side-layout {
  display: grid; grid-template-columns: 220px 1fr; gap: 1rem; padding: 1.2rem 0 2rem;
}
.cg-side a {
  display: block; padding: .55rem .7rem; border-radius: 8px; color: var(--ink-soft);
}
.cg-side a.active, .cg-side a:hover { background: #fff; color: var(--ink); }

.map-chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.map-chip {
  font-size: .75rem; background: rgba(20,145,155,.12); color: var(--ink);
  border-radius: 999px; padding: .25rem .55rem;
}

@media (max-width: 800px) {
  .cg-side-layout { grid-template-columns: 1fr; }
  .cg-hero h1 { max-width: none; }
}