/* 全体設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

html {
  scroll-behavior: smooth;
}

/* ヘッダー関連 */
header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid #e0e0e0;
  z-index: 200;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
}
.header-title {
    font-size: 20px;
    font-weight: 600;
}
.header-title a {
    text-decoration: none;
    color: #000000;
}

nav {
    display: flex;
    gap: 24px;
}
nav a {
    text-decoration: none;
    color: #000000;
    font-size: 14px;
}
nav a:hover {
    background-color: #c9d1fe;
}

/* フッター関連 */
footer {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:#fff;
  border-top:1px solid #e0e0e0;
  padding:20px 0 10px;
  margin-top:40px;
}
.footer-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding: 0 20px;
}
.footer-block {
    flex: 1;
}
.footer-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}
.footer-title a {
    text-decoration: none;
	color: inherit;
}

.footer-block ul {
    list-style: none;
}
.footer-block li {
    font-size: 12px;
    color: #555;
    margin-bottom: 6px;
}
.footer-copy {
  text-align: center;
  font-size: 11px;
  color: #777;
  margin-top: 10px;
  font-weight: 700;
}


@media(max-width: 768px) {
    .header-inner, .footer-inner {
        flex-direction: column;
        gap: 12px;
    }
    nav {
        gap: 16px;
    }
}

@media(max-width: 480px) {
    nav {
        flex-wrap: wrap;
        gap: 12px;
        justify-content: center;
    }
}