.p-header {
  position: relative;
}

.p-header_logo {
  z-index: 98;
  position: absolute;
  top: 4.8rem;
  left: 8rem;
}

.p-header_button {
  display: none;
  z-index: 99;
  position: fixed;
}

.p-header_nav {
  z-index: 98;
  position: fixed;
  top: 3rem;
  right: 8rem;
  padding: 1.8rem 6rem;
  border-radius: 50vw;
  background-color: var(--bg-color-white);
  -webkit-filter: drop-shadow(0 5px 10px rgba(0, 0, 0, 0.1));
          filter: drop-shadow(0 5px 10px rgba(0, 0, 0, 0.1));
}

.p-header_nav_menu {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 3.8rem;
}

.p-header_nav_menu_item_link {
  display: block;
  font-weight: var(--font-weight-bold);
  font-size: 1.8rem;
  line-height: 1.7777777778;
  -webkit-transition: var(--transition);
  transition: var(--transition);
}

.p-header_nav_menu_item_button {
  width: 20rem;
  font-size: 1.4rem;
}

.p-container {
  width: 100%;
  max-width: 152rem;
  margin-inline: auto;
  padding: 12rem 26rem;
}

.p-contact {
  padding-block: 6rem;
  background-color: var(--bg-color-white);
}

.p-contact_lead {
  margin-bottom: 2.4rem;
  color: var(--text-color-blue);
  font-weight: var(--font-weight-bold);
  font-size: 2.4rem;
  line-height: 1;
  text-align: center;
}

.p-contact_button {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 8rem;
}

.p-contact_buttons {
  display: flex;
  justify-content: space-between; /* PCの場合、ボタンを左右に配置 */
  gap: 1rem; /* ボタン間のスペースを調整 */
}

.p-modal {
  display: grid;
  visibility: hidden;
  z-index: 999;
  position: fixed;
  top: 0;
  left: 0;
  place-items: center;
  width: 100%;
  height: 100dvh;
  padding: 12rem 26rem;
  overflow-y: scroll;
  background-color: rgba(202,240,248,.8);
  opacity: 0;
  -webkit-transition: var(--transition);
  transition: var(--transition);
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.p-modal::-webkit-scrollbar {
  display: none;
}

.p-modal_dialog {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  position: relative;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  width: 100%;
  max-width: 76.8rem;
  margin-inline: auto;
  padding: 6rem 8rem;
  gap: 6rem;
  background-color: var(--bg-color-white);
}

.p-modal_dialog_button {
  position: absolute;
  top: 3rem;
  right: 3rem;
  aspect-ratio: 1/1;
  width: 2.4rem;
  height: auto;
}

.p-modal_dialog_button::before,.p-modal_dialog_button::after {
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 2px;
  -webkit-transform-origin: center;
          transform-origin: center;
  background-color: var(--text-color-blue);
  content: "";
}

.p-modal_dialog_button::before {
  -webkit-transform: translate(-50%, 50%) rotate(45deg);
          transform: translate(-50%, 50%) rotate(45deg);
}

.p-modal_dialog_button::after {
  -webkit-transform: translate(-50%, 50%) rotate(-45deg);
          transform: translate(-50%, 50%) rotate(-45deg);
}

.p-modal_dialog_contents_video {
  aspect-ratio: 610/340;
  width: 100%;
  height: auto;
}

.p-modal_dialog_contents_caption {
  font-size: 2.1rem;
  line-height: 2.1428571429;
  text-align: center;
}

.p-modal.is-show {
  visibility: visible;
  opacity: 1;
}

.p-footer {
  padding-block: 4rem;
  background-color: var(--bg-color-blue-deep);
  color: var(--text-color-white);
  font-size: 1.4rem;
  text-align: center;
}

@media (hover: hover) {
  .p-header_nav_menu_item_link:hover {
    color: var(--accent-color);
  }
}

@media screen and (max-width: 48em) {
  .p-header_logo {
    top: 2rem;
    left: 2rem;
    width: 6rem;
  }
  .p-header_button {
    display: block;
    top: 1.6rem;
    right: 1.6rem;
    aspect-ratio: 1/1;
    width: 4rem;
    height: auto;
    padding: 1rem;
    border-radius: .5rem;
    background-color: var(--bg-color-blue);
  }
  .p-header_button_line {
    display: block;
    position: absolute;
    width: 2rem;
    height: .3rem;
    -webkit-transform: translateY(-50%);
            transform: translateY(-50%);
    border-radius: 50vw;
    background-color: var(--bg-color-white);
    -webkit-transition: var(--transition);
    transition: var(--transition);
  }
  .p-header_button_line:first-of-type {
    top: calc(50% - .7rem);
  }
  .p-header_button_line:nth-last-of-type(2) {
    top: 50%;
  }
  .p-header_button_line:last-of-type {
    top: calc(50% + .7rem);
  }
  .p-header_button.is-open .p-header_button_line:first-of-type {
    top: 50%;
    -webkit-transform: translateY(-50%) rotate(45deg);
            transform: translateY(-50%) rotate(45deg);
  }
  .p-header_button.is-open .p-header_button_line:nth-last-of-type(2) {
    opacity: 0;
  }
  .p-header_button.is-open .p-header_button_line:last-of-type {
    top: 50%;
    -webkit-transform: translateY(-50%) rotate(-45deg);
            transform: translateY(-50%) rotate(-45deg);
  }
  .p-header_nav {
    top: -100%;
    right: initial;
    left: 0;
    width: 100%;
    padding: 9.5rem 2rem 8rem;
    border-radius: initial;
    background-color: var(--bg-color-blue);
    color: var(--text-color-white);
    -webkit-filter: initial;
            filter: initial;
    -webkit-transition: .5s ease-in-out;
    transition: .5s ease-in-out;
  }
  .p-header_nav_menu {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    gap: initial;
    border-top: 1px solid var(--text-color-white);
  }
  .p-header_nav_menu_item {
    width: 100%;
  }
  .p-header_nav_menu_item_link {
    position: relative;
    padding: 1.4rem 1.5rem;
    border-bottom: 1px solid var(--text-color-white);
    font-size: 1.8rem;
  }
  .p-header_nav_menu_item_link::after {
    display: block;
    position: absolute;
    top: 50%;
    right: 1.5rem;
    aspect-ratio: 1/1;
    width: 1.2rem;
    -webkit-transform: translateY(-50%) rotate(45deg);
            transform: translateY(-50%) rotate(45deg);
    border-top: 2px solid var(--text-color-white);
    border-right: 2px solid var(--text-color-white);
    content: "";
  }
  .p-header_nav_menu_item_button {
    width: 30rem;
    max-width: initial;
    margin-top: 3rem;
    padding-block: 1.7rem;
    font-size: 1.6rem;
    -webkit-filter: drop-shadow(0 5px 2px rgba(0, 0, 0, 0.3));
            filter: drop-shadow(0 5px 2px rgba(0, 0, 0, 0.3));
  }
  .p-header_nav.is-open {
    top: 0;
  }
  .p-container {
    padding: 6rem 2rem;
  }
  .p-contact {
    padding-block: 3rem;
  }
  .p-contact_lead {
    margin-bottom: 1.4rem;
    font-size: 1.4rem;
  }
  .p-contact_button {
    gap: 4rem;
  }
  .p-contact_buttons {
    justify-content: center; /* スマートフォンの場合、ボタンを中央に配置 */
    flex-direction: column; /* ボタンを縦に並べる */
    align-items: center; /* ボタンを中央に揃える */
  }

  .p-contact_buttons .c-button {
    width: 100%; /* ボタンを全幅にする */
    max-width: 20rem; /* ボタンの最大幅を設定 */
  }
  .p-modal {
    padding: 6rem 2rem;
  }
  .p-modal_dialog {
    padding: 4rem 1.4rem;
    gap: 1.7rem;
  }
  .p-modal_dialog_button {
    top: 1.5rem;
    right: 1.5rem;
    width: 1.4rem;
  }
  .p-modal_dialog_contents_caption {
    font-size: 1.2rem;
    line-height: 1.875;
  }
  .p-footer {
    padding-block: 1.8rem;
    font-size: 1.2rem;
  }
}