:root {
  --blue: #1a73e8;
  --blue-dark: #0f5bc4;
  --orange-1: #ff9d2e;
  --orange-2: #f7861a;
  --ink: #1a1a1a;
  --muted: #666;
  --bg: #f7f7f8;
  --card-border: #e0e0e0;
}
* { box-sizing: border-box; }
body {
  font-family: "Segoe UI", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  margin: 0;
  color: var(--ink);
  background: #fff;
  line-height: 1.7;
}
a { color: inherit; }
.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ヘッダー */
header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--card-border);
  z-index: 10;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
}
.brand img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
}
.nav-links a {
  text-decoration: none;
  color: var(--muted);
}
.nav-links a:hover {
  color: var(--ink);
}
.lang-switch {
  border-left: 1px solid var(--card-border);
  padding-left: 20px;
  margin-left: 4px;
}

/* ヒーロー */
.hero {
  text-align: center;
  padding: 72px 20px 56px;
  background: linear-gradient(180deg, #fbfcff, #fff);
}
.hero h1 {
  font-size: 34px;
  line-height: 1.5;
  margin: 0 0 16px;
}
.hero p.lead {
  font-size: 16px;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 32px;
}
.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: var(--blue);
  color: #fff;
}
.btn-primary:hover {
  background: var(--blue-dark);
}
.btn-outline {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--card-border);
}
.btn-outline:hover {
  border-color: var(--blue);
  color: var(--blue);
}
.btn-pro {
  background: linear-gradient(180deg, var(--orange-1), var(--orange-2));
  color: #fff;
  box-shadow: 0 2px 10px rgba(247, 134, 26, 0.35);
}
.btn-pro:hover {
  filter: brightness(1.05);
}

/* 画像プレースホルダー（後で実画像/スクリーンショットに差し替える枠） */
.img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f0f1f3;
  border: 1px dashed #c7cad1;
  border-radius: 10px;
  color: #9aa0a8;
  font-size: 13px;
  text-align: center;
  padding: 12px;
}
.hero-shot.img-placeholder {
  max-width: 760px;
  height: 380px;
  margin: 0 auto;
}
.feature-shot.img-placeholder {
  height: 160px;
  margin-bottom: 16px;
}

section {
  padding: 64px 20px;
}
.section-title {
  text-align: center;
  font-size: 26px;
  margin: 0 0 8px;
}
.section-sub {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 40px;
}

/* 機能セクション */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 20px;
}
.feature-card h3 {
  font-size: 16px;
  margin: 0 0 8px;
}
.feature-card p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

/* 料金セクション */
.pricing {
  background: var(--bg);
}
.plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 720px;
  margin: 0 auto 40px;
  align-items: stretch;
}
.plan-card {
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}
.plan-card.pro {
  border: 2px solid var(--orange-2);
  position: relative;
}
.plan-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: linear-gradient(180deg, var(--orange-1), var(--orange-2));
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}
.plan-name {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 6px;
}
.plan-price {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 4px;
}
.plan-price small {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
}
.plan-note {
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 20px;
}
.plan-card .btn {
  width: 100%;
  text-align: center;
  margin-bottom: 20px;
}
.plan-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.plan-list li {
  display: flex;
  gap: 8px;
}
.plan-list li::before {
  content: "✓";
  color: var(--blue);
  font-weight: 700;
  flex-shrink: 0;
}
.plan-card.pro .plan-list li::before {
  color: var(--orange-2);
}

.compare-wrap {
  overflow-x: auto;
}
table.compare {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  overflow: hidden;
  font-size: 13px;
}
table.compare th,
table.compare td {
  padding: 12px 14px;
  text-align: center;
  border-bottom: 1px solid var(--card-border);
}
table.compare th:first-child,
table.compare td:first-child {
  text-align: left;
}
table.compare thead th {
  background: #fafafa;
  font-size: 12px;
  color: var(--muted);
}
table.compare tbody tr:last-child td {
  border-bottom: none;
}
.pro-col {
  color: var(--orange-2);
  font-weight: 700;
}

/* フッター */
footer {
  border-top: 1px solid var(--card-border);
  padding: 32px 20px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}
footer a {
  color: var(--muted);
  text-decoration: none;
  margin: 0 8px;
}
footer a:hover {
  color: var(--blue);
}