/* PC Top page styles */

.p-top {
  position: relative;
  min-height: 100vh;
  width: 100%;
  overflow: hidden;
}

.p-top__bg {
  position: absolute;
  inset: 0;
  background: #d8d8d8 url("../img/top/bg.jpg") center/cover no-repeat;
  z-index: 0;
}

.p-top__bgOverlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.85);
  z-index: 1;
}

.p-siteHeader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-site-header);
  width: 100%;
  padding: 30px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  /* 全幅 fixed のため中央の透明領域が背面コンテンツ（例: p-worksAnchors）のクリックを奪う。
     操作したいブロックのみ子で pointer-events を有効化する */
  pointer-events: none;
}

.p-siteHeader__brand,
.p-siteHeader__menu {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
}

.p-siteHeader__menu {
  flex: 0 0 auto;
  justify-content: flex-end;
}

.p-siteHeader__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  text-decoration: none;
}

.p-siteHeader__logoMark {
  width: 51px;
  height: 88px;
  background: url("../img/top/logo.svg") center/contain no-repeat;
}

.p-navToggle__checkbox {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.p-navToggle {
  display: none;
}

.p-navToggle__bar,
.p-navToggle__bar::after {
  display: block;
  width: 55px;
  height: 0;
  border-top: 1px solid var(--c-text-dark);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.p-navToggle__bar {
  position: relative;
  transform: translateY(-6px);
}

.p-navToggle__bar::before {
  display: none;
}

.p-navToggle__bar::after {
  content: "";
  position: absolute;
  top: 12px;
  right: 0;
  left: auto;
  width: 40px;
}

.p-navList {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 15px;
  align-items: flex-start;
}

.p-navItem {
  position: relative;
}

.p-navLink {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  width: 14px;
  text-decoration: none;
  color: var(--c-text);
  /* .p-worksAnchors__link のホバー表現と同様 */
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.p-navLink:hover,
.p-navLink:focus-visible {
  opacity: 0.5;
  transform: translateY(3px);
}

.p-navLink__jp {
  font-family: var(--ff-en);
  font-size: 13px;
  line-height: 1.4;
}

.p-navLink__jp::after {
  content: "";
  display: block;
  width: 8px;
  border-top: 1px solid var(--c-text-sub);
  margin: 12px auto;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.p-navLink:hover .p-navLink__jp::after,
.p-navLink:focus-visible .p-navLink__jp::after {
  opacity: 0.5;
}

.p-navLink__en {
  display: inline-block;
  font-family: var(--ff-en);
  font-size: 10px;
  line-height: 1.8;
  letter-spacing: 0.4em;
  color: var(--c-text-dark);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  margin-top: 4px;
}

.p-navLink--contact {
  color: var(--c-text-red);
}
.p-navLink--contact .p-navLink__en {
  color: var(--c-text-red);
}

@media (prefers-reduced-motion: reduce) {
  .p-navLink {
    transition: opacity 0.3s ease;
  }

  .p-navLink:hover,
  .p-navLink:focus-visible {
    transform: none;
  }
}

.p-topHero {
  position: relative;
  z-index: 1;
  width: 100vw;
  height: 100vh;
  padding: 0;
}

.p-topHero__inner {
  width: 100%;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  height: 100%;
}

.p-topHero__slider,
.p-topHero__copy {
  flex: 0 0 50%;
  width: 50%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
}

.p-slider {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 100%;
  max-width: 383px;
}

.p-slider__viewport {
  width: 100%;
  max-width: 383px;
  position: relative;
}

.p-slider__item {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  position: relative;
  background-color: #e5e5e5;
  overflow: hidden;

  --slider-bg-a: url("../img/top/slider01.jpg");
  --slider-bg-b: url("../img/top/slider02.jpg");
  /* JS で interval と同期（未設定時は参考: 8s ease-out） */
  --slider-zoom-ms: 8s;
}

.p-slider__item::before,
.p-slider__item::after {
  content: "";
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  transform: scale(1);
  transform-origin: center center;
  transition:
    opacity 1.1s ease,
    transform var(--slider-zoom-ms, 8s) ease-out;
}

.p-slider__item::before {
  background-image: var(--slider-bg-a);
  opacity: 1;
}

.p-slider__item::after {
  background-image: var(--slider-bg-b);
  opacity: 0;
}

.p-slider__item:not(.is-swapping)::before {
  opacity: 1;
}

.p-slider__item:not(.is-swapping)::after {
  opacity: 0;
  transform: scale(1);
}

.p-slider__item.is-swapping::before {
  opacity: 0;
  transform: scale(1);
}

.p-slider__item.is-swapping::after {
  opacity: 1;
}

/* 表示中レイヤーのみズーム（切替までに scale(1.15) へ） */
.p-slider__item.is-zoom-ready:not(.is-swapping)::before {
  transform: scale(1.15);
}

.p-slider__item.is-zoom-ready.is-swapping::after {
  transform: scale(1.15);
}

@media (prefers-reduced-motion: reduce) {
  .p-slider__item::before,
  .p-slider__item::after {
    transition: opacity 1.1s ease;
    transform: scale(1) !important;
  }
}

.p-sliderProgress__wrap {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.p-sliderProgress {
  position: relative;
  height: 1px;
  width: 100%;
}

.p-sliderProgress__track {
  position: absolute;
  inset: 0;
  background: #eeeeee;
}

.p-sliderProgress__fill {
  position: absolute;
  inset: 0;
  background: #666666;
  transform: scaleX(var(--progress, 0));
  transform-origin: left;
}

.p-slider__ctrl {
  width: 100%;
  max-width: 383px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.p-slider__current,
.p-slider__total {
  flex: 0 0 auto;
  min-width: 1.75em;
  font-family: var(--ff-en);
  font-size: 12px;
  line-height: 1.44;
  letter-spacing: 0.3em;
  color: #666;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.p-topHero__copy {
  position: relative;
  overflow: hidden;
  flex-direction: column;
  gap: 18px;
  text-align: center;
}

.p-topHero__copy > :not(.p-top__bg):not(.p-top__bgOverlay) {
  position: relative;
  z-index: 2;
}

.p-missionJp {
  margin: 0;
  color: var(--c-text-dark);
  font-size: 14px;
  line-height: 1.9;
  letter-spacing: 0.12em;
  font-family: var(--ff-jp);
  writing-mode: vertical-rl;
  text-orientation: upright;
  white-space: nowrap;
}

.p-missionJp__line {
  display: block;
}

.p-missionEn {
  margin: 0;
  font-family: var(--ff-en);
  font-size: 11px;
  line-height: 1.8;
  color: #acacac;
  letter-spacing: 0.1rem;
}

.p-siteFooter {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-site-footer, 105);
  width: 100%;
  padding: 30px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.p-siteFooter__copy {
  font-family: var(--ff-en);
  font-size: 10px;
  letter-spacing: 0.25em;
  line-height: 1.93;
  color: var(--c-text-sub);
}

.p-siteFooter__social {
  display: flex;
  gap: 16px;
}

.p-socialIcon {
  width: 18px;
  height: 18px;
}

.p-socialIcon__mark {
  width: 18px;
  height: 18px;
}

.p-socialIcon--facebook {
  background: url("../img/top/icon_facebook.svg") center/contain no-repeat;
}

.p-socialIcon--instagram {
  background: url("../img/top/icon_instagram.svg") center/contain no-repeat;
}

@media (max-width: 1100px) {
  .p-top {
    min-height: auto;
    overflow: visible;
  }

  .p-topHero {
    width: 100%;
    height: auto;
  }

  .p-topHero__copy {
    overflow: visible;
  }

  .p-siteHeader {
    align-items: center;
    padding: 30px 30px 0;
  }

  .p-siteHeader__logo {
    width: 56px;
    height: 56px;
  }

  .p-siteHeader__logoMark {
    width: 42px;
    height: 72px;
  }

  .p-navToggle {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: var(--z-site-header-toggle);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 55px;
    height: 15px;
    cursor: pointer;
  }

  .p-siteHeader__nav {
    position: fixed;
    inset: 0;
    z-index: var(--z-site-header-nav-overlay);
    background: rgba(255, 255, 255, 0.96);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }

  .p-navList {
    flex-direction: row;
    gap: 30px;
  }

  .p-navLink {
    width: auto;
  }

  #p-navToggleCheckbox:checked ~ .p-siteHeader__nav {
    opacity: 1;
    pointer-events: auto;
  }

  #p-navToggleCheckbox:checked + .p-navToggle .p-navToggle__bar {
    transform: translateY(0) rotate(15deg);
  }

  #p-navToggleCheckbox:checked + .p-navToggle .p-navToggle__bar::after {
    top: 0;
    width: 55px;
    transform: rotate(-30deg);
    transform-origin: center;
  }

  .p-topHero__inner {
    flex-direction: column;
    gap: 0;
    height: auto;
  }

  .p-topHero__slider {
    width: 100%;
    flex-basis: auto;
    min-height: 0;
    height: auto;
    padding: 120px 20px 100px;
  }

  .p-topHero__copy {
    width: 100%;
    flex-basis: auto;
    min-height: 0;
    height: auto;
    padding:100px 20px;
  }

  /* モバイルのときは、メニューが閉じている間フッター非表示 */
  .p-siteFooter--mobileMenu {
    display: none;
  }

  /* ハンバーガー（checkbox）がONのときだけ表示 */
  main:has(#p-navToggleCheckbox:checked) .p-siteFooter--mobileMenu {
    display: flex;
  }

  /* 親の padding を効かせるため、固定幅をモバイル対応に */
  .p-slider {
    width: 100%;
  }

  .p-slider__viewport {
    width: 100%;
    max-width: 383px;
  }

  .p-slider__ctrl {
    width: 100%;
    max-width: 382px;
  }

  .p-slider__item {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .p-siteHeader {
    padding: 30px 20px 0;
  }

  .p-navToggle {
    right: 20px;
  }

  .p-topHero__slider {
    padding: 120px 20px 80px;
  }

  .p-topHero__copy {
    padding:80px 20px;
  }
}

/* クリック可能要素のカーソル */
a[href],
button,
input[type="button"],
input[type="submit"],
input[type="reset"],
[role="button"],
summary {
  cursor: pointer;
}