:root {
  --aqua: #0a84c4;
  --aqua-dark: #086a9e;
  --aqua-light: #e6f4fb;
  --ink: #1c2733;
  --ink-soft: #566270;
  --line: #dfe6ec;
  --bg: #f4f8fb;
  --card-bg: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: var(--bg);
  color: var(--ink);
  margin: 0;
  padding: 0;
  line-height: 1.7;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 64px 20px;
}

.site-header {
  margin-bottom: 28px;
}

.site-header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.site-title {
  display: inline-block;
  font-size: 20px;
  font-weight: 800;
  color: var(--aqua-dark);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-tagline {
  margin: 6px 0 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.back-link {
  display: inline-block;
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--aqua-dark);
  text-decoration: none;
}
.back-link:hover {
  text-decoration: underline;
}

h1 {
  font-size: 26px;
  font-weight: 800;
  margin: 0 0 6px 0;
}

h2 {
  font-size: 17px;
  font-weight: 700;
  margin-top: 36px;
  padding-left: 10px;
  border-left: 4px solid var(--aqua);
}

.platform-badge {
  display: inline-block;
  background: var(--aqua-light);
  color: var(--aqua-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  margin: 6px 0 18px 0;
}

.download-box {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  margin: 20px 0;
  text-align: center;
  box-shadow: 0 2px 10px rgba(20, 60, 90, 0.05);
}

.download-button {
  display: inline-block;
  background: linear-gradient(135deg, var(--aqua), var(--aqua-dark));
  color: #fff;
  text-decoration: none;
  padding: 14px 36px;
  font-size: 16px;
  font-weight: 700;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(10, 132, 196, 0.3);
}
.download-button:hover {
  filter: brightness(1.05);
}

.coming-soon-badge {
  display: inline-block;
  background: #eee;
  color: #777;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: 999px;
}

.meta {
  color: var(--ink-soft);
  font-size: 13px;
  margin-top: 12px;
}

ol, ul {
  padding-left: 24px;
}
li {
  margin-bottom: 8px;
}

code {
  background: var(--aqua-light);
  color: var(--aqua-dark);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.92em;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin: 12px 0;
  font-size: 14px;
}
table, th, td {
  border: 1px solid var(--line);
}
th, td {
  padding: 8px 12px;
  text-align: left;
}
th {
  background: var(--aqua-light);
  color: var(--aqua-dark);
  width: 40%;
}

.credit {
  font-size: 13px;
  color: var(--ink-soft);
}

footer {
  margin-top: 56px;
  font-size: 12px;
  color: #9aa5b1;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

/* トップページのアプリ一覧 */
.app-list {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 14px;
}

.app-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 22px;
  box-shadow: 0 2px 10px rgba(20, 60, 90, 0.05);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.app-card:hover {
  box-shadow: 0 6px 18px rgba(20, 60, 90, 0.1);
  transform: translateY(-1px);
}

.app-card-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
}
.app-card-title:hover {
  color: var(--aqua-dark);
}

.app-card-platform {
  display: inline-block;
  background: var(--aqua-light);
  color: var(--aqua-dark);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  margin-left: 8px;
  vertical-align: middle;
}

.app-card-tagline {
  margin: 10px 0 4px 0;
  color: var(--ink-soft);
}

.app-card-status {
  display: inline-block;
  background: #eee;
  color: #888;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  margin-left: 8px;
  vertical-align: middle;
}

/* 言語切り替えボタン */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-link {
  font-size: 13px;
  color: var(--aqua-dark);
  text-decoration: none;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
}
.lang-link:hover {
  background: var(--aqua-light);
}
.lang-link.active {
  background: var(--aqua);
  color: white;
}

.lang-sep {
  color: var(--line);
}

/* セクション */
.apps-section,
.projects-section,
.ad-section {
  margin-top: 40px;
}

/* 広告枠 */
.ad-section {
  margin-top: 60px;
}

.ad-placeholder {
  background: linear-gradient(135deg, #f9f9f9, #f0f0f0);
  border: 2px dashed var(--line);
  border-radius: 12px;
  padding: 48px 32px;
  text-align: center;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad-placeholder-text {
  color: var(--ink-soft);
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.5px;
}

.ad-placeholder-small {
  display: block;
  font-size: 14px;
  font-weight: 400;
  margin-top: 8px;
  color: #bbb;
}

/* ステータスバッジ */
.status-badge {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 6px;
  margin-top: 12px;
}

.status-badge.coming-soon {
  background: #fffaed;
  color: #d49a38;
  border: 1px solid #f0e6d2;
}