/*
 * header.css
 * Re-start株式会社 ヘッダー・ナビゲーション専用スタイル
 * 読み込み順：reset.css → style.css → header.css
 */

/* ─────────────────────────────────────
   HEADER
───────────────────────────────────── */
.site_header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: 7.2rem;
  padding: 0 4.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgb(255 255 255 / 94%);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.header_logo svg {
  height: 3rem;
  width: auto;
}

/* ─────────────────────────────────────
   PC ナビゲーション
───────────────────────────────────── */
.header_nav {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav_item {
  position: relative;
}

.nav_item:hover::before{
  content: '';
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  bottom: 0;
  transform: translateY(100%);
}

.nav_item > a,
.nav_link {
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.07em;
  color: rgb(0 0 0 / 72%);
  text-decoration: none;
  padding: 0.8rem 1.4rem;
  border-radius: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}

.nav_item > a:hover,
.nav_link:hover {
  color: #000000;
  background: rgb(0 0 0 / 6%);
}

.nav_arrow {
  font-size: 0.9rem;
  opacity: 0.5;
  transition: transform 0.2s;
}

.nav_item:hover .nav_arrow {
  transform: rotate(180deg);
}

/* ドロップダウン */
.nav_dropdown {
  position: absolute;
  top: calc(100% + 0.8rem);
  left: 0;
  background: #0e1f3a;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.8rem;
  padding: 0.8rem;
  min-width: 20rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-0.6rem);
  transition: opacity 0.18s, transform 0.18s;
  z-index: 10;
}

.nav_item:hover .nav_dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav_dropdown a {
  display: block;
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  padding: 0.8rem 1.4rem;
  border-radius: 0.4rem;
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}

.nav_dropdown a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

/* お問い合わせCTAボタン */
.nav_cta {
  font-size: 1.3rem;
  font-weight: 600;
  color: #fff !important;
  background: var(--color_blue);
  padding: 0.9rem 2.2rem;
  border-radius: 0.4rem;
  text-decoration: none;
  margin-left: 0.8rem;
  transition: background 0.2s;
  white-space: nowrap;
}

.nav_cta:hover {
  background: var(--color_blue_bright);
}

/* ─────────────────────────────────────
   ハンバーガー（SP用）
───────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 0.6rem;
  width: 4rem;
  height: 4rem;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 0.2rem;
  background: #231815;
  border-radius: 0.2rem;
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.is_open span:nth-child(1) {
  transform: translateY(0.8rem) rotate(45deg);
}

.hamburger.is_open span:nth-child(2) {
  opacity: 0;
}

.hamburger.is_open span:nth-child(3) {
  transform: translateY(-0.8rem) rotate(-45deg);
}

/* ─────────────────────────────────────
   SP ドロワーメニュー
───────────────────────────────────── */
.sp_drawer {
  display: none;
  position: fixed;
  top: 7.2rem;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 22, 40, 0.98);
  z-index: 190;
  overflow-y: auto;
  padding: 3.2rem 2.4rem;
  flex-direction: column;
  gap: 0;
}

.sp_drawer.is_open {
  display: flex;
}

.sp_drawer_link {
  font-size: 1.6rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  padding: 1.6rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: block;
}

.sp_drawer_sub {
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.5);
  padding: 1rem 0 1rem 1.6rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  display: block;
}

.sp_drawer_cta {
  font-size: 1.6rem;
  font-weight: 600;
  color: #fff;
  background: var(--color_blue);
  text-align: center;
  padding: 1.6rem;
  border-radius: 0.4rem;
  margin-top: 2.4rem;
  display: block;
}

/* ─────────────────────────────────────
   PAGE HERO
───────────────────────────────────── */
.page_hero {
  position: relative;
  height: 36rem;
  display: flex;
  /* align-items: flex-end; */
  padding: 9.2rem 8rem 6rem;
  overflow: hidden;
  background: var(--color_navy);
  flex-direction: column;
  justify-content: space-between;
}

.page_hero_bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 111, 181, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 111, 181, 0.06) 1px, transparent 1px);
  background-size: 6rem 6rem;
}

.page_hero_glow {
  position: absolute;
  width: 60rem;
  height: 60rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 111, 181, 0.15) 0%, transparent 70%);
  top: -20rem;
  right: -10rem;
  pointer-events: none;
}

.page_hero_inner {
  position: relative;
  z-index: 2;
  max-width: 120rem;
  width: 100%;
  margin: 0 auto;
}

.page_hero_label {
  font-family: var(--Outfit);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--color_blue_bright);
  text-transform: uppercase;
  margin-bottom: 1.6rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.page_hero_label::before {
  content: '';
  display: block;
  width: 2.8rem;
  height: 0.1rem;
  background: var(--color_blue_bright);
}

.page_hero_title {
  font-size: clamp(3.6rem, 5vw, 6rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.breadcrumb {
  /* position: absolute; */
  top: 2.4rem;
  left: 8rem;
  right: 8rem;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  /* padding-top: 7.2rem; */
}

.breadcrumb_item {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumb_item:hover { color: rgba(255, 255, 255, 0.8); }
.breadcrumb_sep { font-size: 1rem; color: rgba(255, 255, 255, 0.25); }
.breadcrumb_current { font-size: 1.1rem; color: rgba(255, 255, 255, 0.7); }


/* ─────────────────────────────────────
   RESPONSIVE（スマホ：699.98px以下）
───────────────────────────────────── */
@media screen and (max-width: 699.98px) {

  .site_header {
    height: 6rem;
    padding: 0 2rem;
  }

  .header_logo svg {
    height: 2.4rem;
  }

  .header_nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .sp_drawer {
    top: 6rem;
  }

  /* HERO */
  .page_hero {
    height: auto;
    padding: 9rem 2.4rem 5.6rem;
    gap: 3rem;
  }

  .breadcrumb {left: 2.4rem;right: 2.4rem;flex-wrap: wrap;}
  .page_hero_title { font-size: 3.6rem; }
}