@charset "UTF-8";

/* ==========================================================
   PCシェル（1440pxデザイン）
   左: 固定アンカーナビ（x=120, y=150 / 中心から-600px）
   右: ビル背景（カラム右端から画面端まで）+ 固定CTA（x=1035, y=324 / 中心から+315px）
   ========================================================== */

.shell-nav,
.shell-cta,
.shell-bg {
  display: none;
}

@media (min-width: 1000px) {
  /* 右側ビル背景 */
  .shell-bg {
    display: block;
    position: fixed;
    top: 0;
    left: calc(50% + 220px);
    width: calc(50% - 220px);
    height: 100vh;
    background-image: url("../assets/shell/side-bg.png");
    background-size: cover;
    background-position: left center;
    z-index: 0;
  }

  /* 左ナビ */
  .shell-nav {
    display: flex;
    flex-direction: column;
    gap: 30px;
    position: fixed;
    top: 150px;
    left: calc(50% - 600px);
    z-index: 2;
  }

  .shell-nav__item {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .shell-nav__item img {
    width: 7px;
    height: 1.5px;
  }

  .shell-nav__item span {
    font-family: "Shippori Mincho", serif;
    font-weight: 700;
    font-size: 20px;
    line-height: 1.3;
    letter-spacing: -0.8px;
    color: #fff;
    white-space: nowrap;
  }

  /* 右CTA */
  .shell-cta {
    display: flex;
    flex-direction: column;
    gap: 40px;
    position: fixed;
    /* 右ビル背景パネル[50%+220px 〜 100%]の上下左右中央に配置 */
    top: 50%;
    left: calc(75% - 45px);
    transform: translateY(-50%);
    width: 310px;
    z-index: 2;
  }

  .shell-cta__btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 310px;
    height: 56px;
    padding: 5px 20px 5px 28px;
    filter: drop-shadow(0 0 7.5px rgba(0, 0, 0, 0.7));
  }

  .shell-cta__btn > .shell-cta__bg {
    position: absolute;
    inset: -3px -3px;
    width: calc(100% + 6px);
    height: calc(100% + 6px);
    max-width: none;
  }

  .shell-cta__btn span {
    position: relative;
    width: 229px;
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 700;
    font-size: 16px;
    line-height: 1.2;
    letter-spacing: 0.32px;
    text-align: center;
    color: #fff;
    text-shadow: 0 0 5px #102545;
  }

  .shell-cta__btn > .shell-cta__arrow {
    position: relative;
    width: 24px;
    height: 24px;
  }
}