/* =============================================
   sp-nav.css — スマホメニュー専用スタイル
   ============================================= */

/* FV image-block 位置調整 */
.p-home__mv-inner .image-block > li:nth-child(1) { margin-top: 0.5vw; }
.p-home__mv-inner .image-block > li:nth-child(2) { margin-top: 0; }
@media print, screen and (min-width: 768px) {
  .p-home__mv-inner--01 .image-block { margin-top: 6em; }
  .p-home__mv-inner--01 .image-block > li:nth-child(1) { margin-top: 0.2em; }
  .p-home__mv-inner--01 .image-block > li:nth-child(2) { margin-top: 0; }
}

/* PC時はハンバーガー・オーバーレイを非表示 */
.sp-nav-toggle { display: none; }
.sp-nav { display: none; }

@media screen and (max-width: 767px) {
  /* ヘッダーサイズ変更 */
  .l-header__inner {
    margin-left: 5vw;
  }

  .l-header__buttons {
    margin-left: 3vw;
    gap: 1.75vw;
  }

  /* ヘッダーボタンのアイコン非表示 */
  .c-button--contact::before { display: none !important; }
  .c-button--download::after { display: none !important; }

  /* ハンバーガーボタン */
  .sp-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 11.73vw;    /* 44px */
    height: 11.73vw;   /* 44px */
    background: none;
    border: none;
    border-radius: 1.6vw; /* 6px */
    cursor: pointer;
    padding: 0;
    position: relative;
  }
  .sp-nav-toggle span,
  .sp-nav-toggle span::before,
  .sp-nav-toggle span::after {
    display: block;
    position: absolute;
    width: 5.33vw;      /* 20px */
    height: 0.53vw;     /* 2px */
    background-color: #0057a1;
    border-radius: 0.53vw; /* 2px */
    transition: all 0.25s ease-out;
    left: 50%;
    transform: translateX(-50%);
  }
  .sp-nav-toggle span { top: calc(50% - 0.27vw); }
  .sp-nav-toggle span::before { content: ""; top: -1.6vw; }   /* 6px */
  .sp-nav-toggle span::after  { content: ""; bottom: -1.6vw; }

  /* 開いた時のバツ */
  .sp-nav-toggle.is-open span { background: transparent; }
  .sp-nav-toggle.is-open span::before {
    top: 0;
    transform: translateX(-50%) rotate(45deg);
  }
  .sp-nav-toggle.is-open span::after {
    bottom: 0;
    transform: translateX(-50%) rotate(-45deg);
  }

  /* ===== オーバーレイメニュー ===== */
  .sp-nav {
    display: block;
    position: fixed;
    top: 0;
    left: 100%;
    width: 100%;
    height: 100%;
    background-color: #fff;
    overflow-y: auto;
    transition: left 0.3s ease-out, opacity 0.3s ease-out;
    opacity: 0;
    z-index: 9999;
    padding: 1.07vw 0 16vw; /* 4px 0 60px */
    box-sizing: border-box;
  }
  .sp-nav.is-open {
    left: 0;
    opacity: 1;
  }

  /* ヘッダー行（ロゴ + 閉じるボタン） */
  .sp-nav__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 6.4vw;    /* 0 24px */
    height: 17.07vw;     /* 64px */
    margin-bottom: 2.13vw; /* 8px */
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 1;
  }
  .sp-nav__logo img {
    height: 7.47vw;  /* 28px */
    width: auto;
    display: block;
  }

  /* 閉じるボタン */
  .sp-nav__close {
    width: 11.73vw;   /* 44px */
    height: 11.73vw;  /* 44px */
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    border-radius: 1.6vw; /* 6px */
    cursor: pointer;
  }
  .sp-nav__close::before,
  .sp-nav__close::after {
    content: "";
    display: block;
    position: absolute;
    width: 5.87vw;  /* 22px */
    height: 0.53vw; /* 2px */
    background: #0057a1;
    border-radius: 0.53vw; /* 2px */
  }
  .sp-nav__close::before { transform: rotate(45deg); }
  .sp-nav__close::after  { transform: rotate(-45deg); }

  /* サイトマップリスト */
  .sp-nav__list {
    list-style: none;
    margin: 0 0 8.53vw; /* 0 0 32px */
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .sp-nav__list,
  .sp-nav__cta {
    padding-left: 6.4vw;  /* 24px */
    padding-right: 6.4vw; /* 24px */
  }
  .sp-nav__item {
    border-bottom: 1px solid rgba(0,87,161,0.2);
    padding: 3.73vw 0; /* 14px 0 */
  }
  .sp-nav__item:first-child { border-top: 1px solid rgba(0,87,161,0.2); }

  .sp-nav__title {
    font-size: 4.8vw;  /* 18px */
    font-weight: 700;
    color: #0057a1;
    margin: 0;
    line-height: 1.4;
  }
  .sp-nav__title a {
    color: #0057a1;
    text-decoration: none;
    display: block;
  }

  /* サブリスト */
  .sp-nav__sub {
    list-style: none;
    margin: 2.67vw 0 0; /* 10px */
    padding: 0 0 0 2.13vw; /* 8px */
    display: flex;
    flex-direction: column;
    gap: 2.13vw; /* 8px */
  }
  .sp-nav__sub li a {
    font-size: 4.27vw; /* 16px */
    color: #0057a1;
    text-decoration: none;
    font-weight: 500;
    display: block;
    width: 100%;
  }

  /* CTAボタン */
  .sp-nav__cta {
    display: flex;
    flex-direction: column;
    gap: 3.73vw; /* 14px */
  }
  .sp-nav__btn {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4vw;          /* 15px */
    width: 100%;
    padding: 3.73vw 6.4vw; /* 14px 24px */
    border-radius: 2.13vw; /* 8px */
    font-size: 4.27vw; /* 16px */
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.05em;
    box-sizing: border-box;
    transition: opacity 0.2s;
    text-align: center;
  }
  .sp-nav__btn:hover { opacity: 0.85; }
  .sp-nav__btn--contact {
    color: #fff;
    background-color: #2881ee;
    border: 2px solid #2881ee;
  }
  .sp-nav__btn--download {
    color: #0057a1;
    background-color: #fff;
    border: 2px solid #0057a1;
  }
  .sp-nav__btn-icon {
    width: 5.33vw;  /* 20px */
    height: 5.33vw; /* 20px */
    object-fit: contain;
    margin: 0;
  }
}