/* ===========================
  Page: トップページ
=========================== */

/* --------------------------------
  Hero Section
-------------------------------- */
.hero {
  position: relative;
  margin-top: calc(-1 * (var(--header-top) + var(--header-height)));
  padding-top: calc(var(--header-top) + var(--header-height));
  min-height: 810px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(118deg, #7FC591 0%, #6DBDAE 42.66%, #5BB5D5 85.32%);
}

.hero-inner {
  display: flex;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 0 80px 80px;
  gap: 40px;
}

/* --------------------------------
  Hero Content（テキスト左カラム）
-------------------------------- */
.hero-content {
  flex: 1;
  min-width: 0;
  z-index: 1;
}

.hero-heading {
  font-size: 56px;
  font-weight: 500;
  line-height: 135%;
  color: var(--color-white);
  margin-bottom: 24px;
  white-space: nowrap;
  margin-bottom: 16px;
}

.hero-heading span {
  letter-spacing: -19.04px;
}

.hero-desc {
  font-size: 18px;
  color: var(--color-white);
  font-weight: 500;
  line-height: 30.5px;
  margin-bottom: 40px;
}

/* --------------------------------
  Hero Media（画像右カラム）
-------------------------------- */
.hero-media {
  flex: 0 0 auto;
  width: 50%;
  max-width: 580px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-media-inner {
  position: relative;
  width: 100%;
  height: 500px;
}

.hero-img {
  position: absolute;
  object-fit: contain;
}

.hero-img--card {
  top: 9%;
  left: 0;
  z-index: 1;
}

.hero-img--phone {
  top: 0;
  right: 0;
}

/* --------------------------------
  SCROLL インジケーター
-------------------------------- */
.hero-scroll {
  position: absolute;
  left: 30px;
  bottom: 134px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 11px;
}

.hero-scroll-text {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 14px;
  font-weight: 700;
  line-height: 150%;
  letter-spacing: 1.4px;
  color: var(--color-white);
}

.hero-scroll-line {
  display: block;
  width: 2px;
  height: 34px;
  background: var(--color-white);
}

/* --------------------------------
  News Section（お知らせ）
-------------------------------- */
.news {
  padding: 50px 0 44px;
  scroll-margin-top: calc(var(--header-top) + var(--header-height));
}

.news-inner {
  max-width: 1245px;
  margin: 0 auto;
  padding: 0 35px;
  display: flex;
  gap: 50px;
}

.news-heading {
  font-size: 28px;
  font-weight: 700;
  line-height: 150%;
  flex: 0 0 auto;
  white-space: nowrap;
}

.news-list {
  padding: 5px 0;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.news-item:not(:first-child) {
  margin-top: 8px;
}

.news-date {
  font-size: 14px;
  color: var(--color-text);
  white-space: nowrap;
  flex: 0 0 auto;
  min-width: 95px;
  text-align: center;
}

.news-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  padding: 0px 15px;
  border-radius: var(--radius-pill);
  background: #E4EDEB;
  color: #545756;
  white-space: nowrap;
  flex: 0 0 100px;
  text-align: center;
}

.news-title {
  color: var(--color-text);
  font-size: 16px;
  line-height: 175%; 
}

.news-more-wrap {
  flex: 0 0 auto;
  margin-left: auto;
}

/* --------------------------------
  Responsive: Hero Mobile (< 1000px)
-------------------------------- */
@media (max-width: 999px) {
  .hero-inner {
    flex-direction: column-reverse;
    padding: 0 20px 84px;
    gap: 0;
  }

  .hero-media {
    width: 100%;
    max-width: 100%;
  }

  .hero-media-inner {
    height: 20rem;
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
  }

  .hero-img--card {
    width: 52%;
    top: 5%;
  }

  .hero-img--phone {
    width: 63%;
    top: 2%;
    right: 2%;
  }

  .hero-content {
    padding: 0 15px;
    margin-top: -25px;
  }

  .hero-heading {
    font-size: 34px;
    line-height: 145%;
    margin-bottom: 20px;
  }

  .hero-desc {
    font-size: 16px;
    margin-bottom: 20px;
    line-height: 175%;
  }

  .hero-scroll {
    display: none;
  }
}

/* --------------------------------
  Responsive: News & Below Mobile (< 821px)
-------------------------------- */
@media (max-width: 820px) {
  .news {
    padding: 40px 0 48px;
  }

  .news-inner {
    flex-direction: column;
    padding: 0 35px;
    gap: 20px;
  }

  .news-heading {
    font-size: 20px;
  }

  .news-list {
    width: 100%;
    padding: 0;
  }

  .news-item {
    flex-wrap: wrap;
    gap: 5px 10px;
    align-items: center;
    width: 100%;
    overflow: hidden;
  }

  .news-item:not(:first-child) {
    margin-top: 20px;
  }

  .news-date {
    font-size: 13px;
    min-width: auto;
  }

  .news-tag {
    font-size: 10px;
    flex: 0 0 auto;
  }

  .news-title {
    flex: 0 0 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .news-more-wrap {
    width: 100%;
    display: flex;
    justify-content: center;
  }
}

/* --------------------------------
  Service Nav Cards Section
-------------------------------- */
.service-nav {
  padding: 0 0 50px;
}

.service-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 15px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-nav-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.08);
  padding: 20px;
  text-align: center;
  gap: 20px;
  color: var(--color-green);
  font-weight: 700;
  font-size: 24px;
  line-height: 36px;
  transition: background-color 0.25s ease, color 0.25s ease;
  opacity: 1;
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
}

.service-nav-card:hover,
.service-nav-card:active {
  background-color: var(--color-green);
  color: var(--color-white);
  opacity: 1;
}

.service-nav-card:active {
  transition: none;
}

.service-nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 109px;
}

.service-nav-icon img {
  max-height: 100%;
  width: auto;
  transition: filter 0.25s ease;
}

.service-nav-card:hover .service-nav-icon img,
.service-nav-card:active .service-nav-icon img {
  filter: brightness(0) invert(1);
}

.service-nav-card:active .service-nav-icon img {
  transition: none;
}

.service-nav-label {
  line-height: 1.5;
}

/* --------------------------------
  Responsive: Service Nav Mobile (< 768px)
-------------------------------- */
@media (max-width: 767px) {
  .service-nav {
    padding: 0 0 60px;
  }

  .service-nav-inner {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 20px;
    gap: 20px;
  }

  .service-nav-card {
    padding: 12px 14px;
    gap: 12px;
    font-size: 16px;
  }

  .service-nav-icon {
    height: 65px;
  }
}

/* --------------------------------
  Picoca About Section（カード紹介）
-------------------------------- */
.picoca-about {
  background: linear-gradient(180deg, #FFF 0%, #F1F5F4 100%);
}

.picoca-about-image-wrap {
  width: 100%;
  overflow: hidden;
  line-height: 0;
  background-color: var(--color-background);
}

.picoca-about-img {
  width: 100%;
  height: auto;
  display: block;
}

.picoca-about-body {
  padding: 110px 0;
}

.picoca-about-inner {
  max-width: 1350px;
  margin: 0 auto;
  padding: 0 35px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.picoca-about-heading {
  font-size: 48px;
  font-weight: 500;
  line-height: 130%;
  color: var(--color-text);
}

.picoca-about-heading span {
  color: var(--color-green);
}

.picoca-about-desc {
  font-size: 18px;
  font-weight: 500;
  line-height: 175%;
  color: var(--color-text);
  letter-spacing: -0.36px;
  max-width: 540px;
}

.picoca-about-link {
  color: var(--color-green);
}

/* --------------------------------
  Responsive: Picoca About Mobile (< 768px)
-------------------------------- */
@media (max-width: 767px) {
  .picoca-about-body {
    padding: 58px 0 60px;
  }

  .picoca-about-inner {
    grid-template-columns: 1fr;
    padding: 0 35px;
    gap: 20px;
  }

  .picoca-about-heading {
    font-size: 28px;
    text-align: center;
  }

  .picoca-about-desc {
    font-size: 16px;
  }
}

/* --------------------------------
  Picoca About: スライドカード（紙芝居スタック）
-------------------------------- */
/*
 * slides-stack が sticky の「共通の親」。
 * .slide を直接の子にすることで、複数カードが同時に sticky になり重なれる。
 *
 * 仕組み:
 *   Card 01 は slides-stack の先頭から sticky になり、ずっと貼り付いたまま。
 *   Card 02 が下から上がってきて同じ top に重なる（z-index 2 で Card 01 を覆う）。
 *   Card 03 がさらに上がってきて Card 02 を覆う。
 *   → 全カードが slides-stack の中に居る間は同時に sticky = 重なれる。
 *
 * 各カードは margin-bottom で「見せ場（スクロール距離）」を確保する。
 */
.slides-stack {
  padding: 0 20px 60px;
}

.slide {
  position: sticky;
  max-width: 1280px;
  margin: 0 auto 20vh;  /* 次のカードが来るまでのスクロール余裕 */
}

/* 重なり順 + 各カードをずらして「フォルダ」のように奥が見える
   カード3が最前面、カード1・2が上端から50pxのぞく */
.slides-stack .slide:nth-child(1) {
  z-index: 1;
  top: calc(var(--header-top) + var(--header-height) + 40px);
}
.slides-stack .slide:nth-child(2) {
  z-index: 2;
  top: calc(var(--header-top) + var(--header-height) + 90px);
}
.slides-stack .slide:nth-child(3) {
  z-index: 3;
  top: calc(var(--header-top) + var(--header-height) + 140px);
  margin-bottom: 20vh;
}


/* .slide-body が視覚的なカード本体 */
.slide-body {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 3.813px 76.25px 0 rgba(5, 78, 60, 0.15);
  transform-origin: top center;
  will-change: transform;
}

/* カードごとの背景色 */
.slides-stack .slide:nth-child(1) .slide-body { background: #E0EDEB; }
.slides-stack .slide:nth-child(2) .slide-body { background: var(--color-bg-green); }
.slides-stack .slide:nth-child(3) .slide-body { background: #F9FBFB; }

.slide-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  min-height: 460px;
  align-items: stretch;
  padding: 20px;
  gap: 56px;
}

.slide-inner--media-left {
  grid-template-columns: 1.5fr 1fr;
}

.slide-inner--media-left .slide-media {
  order: 1;
}

.slide-inner--media-left .slide-content {
  order: 2;
}

.slide-media {
  overflow: hidden;
  border-radius: 15px;
}

.slide-media img {
  width: 100%;
  height: 100%;
  min-height: 460px;
  object-fit: cover;
  display: block;
}

.slide-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-left: 30px;
}

.slide-inner--media-left .slide-content {
  padding-left: 0;
}

.slide-icon {
  color: var(--color-green);
  display: block;
  line-height: 0;
}

.slide-title {
  font-size: 32px;
  font-weight: 500;
  color: var(--color-text);
  line-height: 100%;
  margin: 24px 0 40px;
}

.slide-desc {
  font-size: 16px;
  line-height: 175%;
  color: var(--color-text);
  margin-bottom: 48px;
}

/* --------------------------------
  Responsive: Slides Mobile (< 768px)
-------------------------------- */
@media (max-width: 767px) {
  .slides-stack {
    padding: 0 16px 60px;
  }

  .slide {
    margin-bottom: 50vh;
  }

  /* SP用のstickyオフセット（カード間は10pxずつずらして奥が見える） */
  .slides-stack .slide:nth-child(1) {
    top: calc(var(--header-top) + var(--header-height) + 16px);
  }
  .slides-stack .slide:nth-child(2) {
    top: calc(var(--header-top) + var(--header-height) + 26px);
  }
  .slides-stack .slide:nth-child(3) {
    top: calc(var(--header-top) + var(--header-height) + 36px);
    margin-bottom: 40vh;
  }

  .slide-body {
    border-radius: 20px;
  }

  .slide-inner {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 13px;
  }

  /* SP では画像を常に上に */
  .slide-inner .slide-media    { order: 1; }
  .slide-inner .slide-content  {
    order: 2;
    padding: 0;
    gap: 0;
  }

  .slide-media img {
    min-height: 240px;
    height: 240px;
  }

  .slide-icon {
    width: 20px;
    height: 20px;
  }

  .slide-content {
    padding: 28px 24px 36px;
    gap: 14px;
  }

  .slide-title {
    font-size: 20px;
    margin: 10px 0 15px;
  }

  .slide-desc {
    margin-bottom: 20px;
  }
}