*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  margin: 0;
  padding: 0;
}

body {
  margin: 0;
  padding: 0;
  line-height: 1.6;
  font-family: "Noto Sans JP", sans-serif;
  background-color: #f5f7fc;
  color: #1d1f63;
}

ul,
ol,
dd {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* 画像を親幅に収める */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  padding: 0;
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

p {
  margin: 0;
}

/* ヘッダー */

/* Google Fonts Zen Old Mincho */
@import url("https://fonts.googleapis.com/css2?family=Zen+Old+Mincho&display=swap");

/* =========================================
   ヘッダー共通
========================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: #fff;
  border-bottom: 1px solid #ddd;
  z-index: 1000;
  height: 60px;
}

/* body paddingでコンテンツがヘッダーと重ならないように調整 */
body {
  padding-top: 60px; /* SP高さに合わせる */
}

/* ロゴ */
.logo {
  flex: 1; /* 残り幅をすべて確保 */
  min-width: 0; /* flex内で縮小可能に */
}
.logo a {
  font-family: "Zen Old Mincho", serif;
  font-size: 1.2rem;
  font-weight: bold;
  text-decoration: none;
  color: #1d1f63;
  white-space: nowrap; /* 改行防止 */
  overflow: hidden;
  text-overflow: ellipsis;
}

/* SP用フロートボタン＋ハンバーガー右寄せ */
.sp-controls {
  width: auto;
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  align-items: center;
  flex-shrink: 0; /* 縮まらない */
}

/* ハンバーガー */
.hamburger {
  width: 40px;
  height: 40px;
  border: none;
  background: #1d1f63;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 0;
  cursor: pointer;
  position: relative;
}
.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 1px;
  position: absolute;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.hamburger span:nth-child(1) {
  top: 11px;
}
.hamburger span:nth-child(2) {
  top: 18px;
}
.hamburger span:nth-child(3) {
  top: 25px;
}

.hamburger.is-active span:nth-child(1) {
  transform: rotate(45deg);
  top: 19px;
}
.hamburger.is-active span:nth-child(2) {
  opacity: 0;
}
.hamburger.is-active span:nth-child(3) {
  transform: rotate(-45deg);
  top: 19px;
}

/* ドロワーメニュー（SP用） */
.drawer-menu {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  position: absolute;
  top: 60px;
  left: 0;
  width: 100%;
  background: #fff;
  border-top: 1px solid #ddd;
}
.drawer-menu.open {
  max-height: 500px;
  opacity: 1;
}
.drawer-menu ul {
  list-style: none;
  padding: 1rem;
  margin: 0;
}
.drawer-menu li + li {
  margin-top: 0.5rem;
}
.drawer-menu a {
  text-decoration: none;
  color: #1d1f63;
  display: block;
  padding: 0.5rem 0;
}

/* フロートボタン */
.float-btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: #1d1f63;
  color: #fff;
  text-decoration: none;
  border-radius: 30px;
  font-weight: bold;
  font-size: 0.9rem;
  letter-spacing: 2px;
  margin-left: 20px;
}

/* SP非表示、PC表示 */
.pc-only {
  display: none;
}
.sp-only {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

/* =========================================
   PC版（min-width:768px）
========================================= */
@media (min-width: 768px) {
  /* ヘッダー高さ調整 */
  .site-header {
    height: 70px;
  }
  body {
    padding-top: 70px;
  }

  /* ロゴ */
  .logo a {
    font-size: 1.5rem;
  }

  /* SP非表示、PC表示 */
  .pc-only {
    display: inline-flex;
  }
  .sp-only {
    display: none;
  }

  /* PC版グローバルナビ */
  .global-nav {
    display: block;
  }
  .global-nav ul {
    display: flex;
    gap: clamp(0.5rem, 2vw, 4rem); /* ナビ間gap可変 */
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .global-nav a {
    text-decoration: none;
    color: #1d1f63;
    font-weight: 500;
    font-size: clamp(0.8rem, 1.2vw, 1.3rem); /* 文字サイズ可変 */
  }

  /* PC版フロートボタン */
  .pc-controls {
    display: flex;
    gap: clamp(0.5rem, 1.5vw, 2rem);
    align-items: center;
  }
}

/* フッター */
.site-footer {
  background: #454c76;
  color: #f2f2f2;
  padding: 2rem 1rem;
  font-size: 14px;
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-brand .small-text {
  font-size: 12px;
  margin: 0;
  color: #fff;
}

.footer-brand .brand-title {
  font-family: "Zen Old Mincho", serif;
  font-size: 1.2rem;
  font-weight: bold;
  text-decoration: none;
  color: #fff;
}

.footer-section h3 {
  font-size: 16px;
  margin-bottom: 0.5rem;
  color: #fff;
}

.footer-section p,
.footer-section a {
  margin: 0.3rem 0;
  color: #fff;
  text-decoration: none;
}

.footer-section a:hover {
  text-decoration: underline;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

.social-links img {
  width: 24px;
  height: 24px;
  transition: opacity 0.3s;
}

.social-links img:hover {
  opacity: 0.7;
}

.footer-copy {
  border-top: 1px solid #0d1542;
  margin-top: 2rem;
  padding-top: 1rem;
  text-align: center;
  font-size: 12px;
  color: #fff;
}

.footer-address {
  font-style: normal;
}