/* Claro LP 共通スタイル(素のCSS。CDN・フレームワーク不使用) */
:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --line: #d8dce3;
  --ink: #1f2430;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-soft: #dbeafe;
  --warn: #b45309;
  --warn-soft: #fef3c7;
  --ok: #047857;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    "Hiragino Sans",
    "Noto Sans JP",
    sans-serif;
  font-size: 15px;
  line-height: 1.7;
}

a {
  color: var(--primary);
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

header.site {
  border-bottom: 1px solid var(--line);
  background: var(--card);
}

header.site .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  max-width: 1080px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  color: var(--ink);
}

.logo .mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
}

nav.links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}

nav.links a {
  color: var(--ink);
  text-decoration: none;
}

nav.links a:hover {
  text-decoration: underline;
}

.btn {
  display: inline-block;
  border-radius: 8px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn.primary {
  background: var(--primary);
  color: #fff;
}

.btn.ghost {
  background: #fff;
  color: var(--primary);
  border-color: var(--primary);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

section.hero {
  padding: 56px 0 32px;
  text-align: center;
}

section.hero h1 {
  font-size: 30px;
  margin: 0 0 12px;
}

section.hero p.sub {
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 720px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
}

.card.highlight {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-soft);
}

.pill {
  display: inline-block;
  background: #eef0f3;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
  color: var(--muted);
  margin: 2px 4px 0 0;
}

.price {
  font-size: 26px;
  font-weight: 700;
  margin: 10px 0;
}

.price small {
  font-size: 14px;
  font-weight: 400;
  color: var(--muted);
}

section.section {
  padding: 32px 0;
}

section.section h2 {
  font-size: 20px;
  margin: 0 0 16px;
}

footer.site {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 13px;
}

footer.site .links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

footer.site .links a {
  color: var(--muted);
}

/* --- 確認用の注意表示・受付不可メッセージ --- */
.shell-notice {
  background: var(--warn-soft);
  border: 1px solid var(--warn);
  color: #7c3a00;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  margin: 16px 0;
}

.shell-notice.example {
  background: #e6f4ea;
  border-color: var(--ok);
  color: #0b3d2e;
}

.unavailable {
  background: #fff;
  border: 1px dashed var(--muted);
  border-radius: 8px;
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

/* --- フォーム --- */
form.stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 480px;
}

form.stack.wide {
  max-width: 640px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
}

.field .hint {
  font-size: 12px;
  color: var(--ok);
  margin-top: 2px;
}

.row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.kv {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 14px;
  font-size: 13.5px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
}

.kv dt {
  color: var(--muted);
}

.kv dd {
  margin: 0;
}

.checkline {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13.5px;
}

.checkline input {
  margin-top: 3px;
}

.result-block {
  display: none;
  background: #e6f4ea;
  border: 1px solid var(--ok);
  border-radius: 10px;
  padding: 20px;
  margin-top: 16px;
}

.result-block.show {
  display: block;
}

.result-block h3 {
  margin: 0 0 8px;
  color: var(--ok);
}

.placeholder-page {
  padding: 56px 0;
}

.placeholder-page .box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 40px;
  text-align: center;
}