/* ============================================================
   pcwst layout.css — 1カラム・スタイリッシュレイアウト
   ============================================================ */

.pcwst-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gap);
}
.pcwst-container--narrow { max-width: var(--container-narrow); }
.pcwst-container--article { max-width: var(--article-max); }

.pcwst-main { min-height: 60vh; }

/* ============================================================
   Site Header（独立スタイリッシュヘッダー）
   ============================================================ */
.pcwst-site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.6);
  transition: background var(--duration) var(--ease-out), border-color var(--duration) var(--ease-out);
}
.pcwst-site-header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 18px var(--gap);
  display: flex;
  align-items: center;
  gap: clamp(20px, 4vw, 48px);
}

.pcwst-site-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}
.pcwst-site-logo:hover { color: var(--color-text); }
.pcwst-site-logo__mark {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-light) 100%);
  position: relative;
  overflow: hidden;
}
.pcwst-site-logo__mark::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, var(--color-accent) 60%);
  opacity: 0.7;
  mix-blend-mode: overlay;
}

.pcwst-site-nav {
  flex: 1;
}
.pcwst-site-nav__list {
  display: flex;
  gap: clamp(6px, 1.5vw, 28px);
  align-items: center;
}
.pcwst-site-nav__list li { list-style: none; }
.pcwst-site-nav__list a {
  display: inline-block;
  padding: 8px 14px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--color-text);
  border-radius: 8px;
  letter-spacing: 0;
  transition: background var(--duration) var(--ease-out), color var(--duration) var(--ease-out);
}
.pcwst-site-nav__list a:hover {
  background: var(--color-brand-soft);
  color: var(--color-brand);
}
.pcwst-site-nav__list .current-menu-item a,
.pcwst-site-nav__list .current_page_item a {
  color: var(--color-brand);
  background: var(--color-brand-soft);
}

/* サブメニュー（ドロップダウン） */
.pcwst-site-nav__list .menu-item-has-children {
  position: relative;
}
.pcwst-site-nav__list .menu-item-has-children > a::after {
  content: "";
  display: inline-block;
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  margin-left: 6px;
  vertical-align: 2px;
  opacity: 0.6;
  transition: transform var(--duration) var(--ease-out);
}
.pcwst-site-nav__list .menu-item-has-children:hover > a::after {
  transform: rotate(180deg);
}
.pcwst-site-nav__list .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 8px;
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--duration) var(--ease-out);
  z-index: 200;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  max-height: 70vh;
  overflow-y: auto;
}
.pcwst-site-nav__list .menu-item-has-children:hover > .sub-menu,
.pcwst-site-nav__list .menu-item-has-children:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.pcwst-site-nav__list .sub-menu li { list-style: none; }
.pcwst-site-nav__list .sub-menu a {
  display: block;
  padding: 8px 14px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: 6px;
  white-space: nowrap;
}
.pcwst-site-nav__list .sub-menu a:hover {
  background: var(--color-brand-soft);
  color: var(--color-brand);
}

/* 「エリア検索」など子メニュー多数の場合は3カラム */
.pcwst-site-nav__list .sub-menu {
  grid-template-columns: repeat(3, 1fr);
}

/* Mobile: サブメニュー展開 */
@media (max-width: 880px) {
  .pcwst-site-nav__list .sub-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    background: var(--color-bg-soft);
    border-radius: 0;
    padding: 8px 16px;
    grid-template-columns: repeat(2, 1fr);
    max-height: none;
  }
  .pcwst-site-nav__list .menu-item-has-children > a::after { display: none; }
}

.pcwst-site-header__cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.pcwst-site-header__cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--color-brand);
  color: #fff;
  border-radius: var(--radius-pill);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: background var(--duration) var(--ease-out), transform 150ms var(--ease-out), box-shadow var(--duration) var(--ease-out);
}
.pcwst-site-header__cta__btn:hover {
  background: var(--color-brand-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.pcwst-site-nav__toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: 8px;
  color: var(--color-text);
  background: transparent;
}
.pcwst-site-nav__toggle:hover { background: var(--color-brand-soft); }

/* Mobile */
@media (max-width: 880px) {
  .pcwst-site-header__inner { padding: 14px var(--gap); }
  .pcwst-site-nav {
    position: fixed;
    inset: 70px 0 0 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    padding: 32px var(--gap);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration) var(--ease-out);
  }
  .pcwst-site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .pcwst-site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .pcwst-site-nav__list a {
    display: block;
    padding: 14px 18px;
    font-size: 16px;
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
  }
  .pcwst-site-nav__toggle { display: inline-flex; }
  .pcwst-site-header__cta__btn { display: none; }
}

/* ============================================================
   Page Header（カテゴリ・アーカイブ等のページ上部バナー）
   ============================================================ */
.pcwst-page-header {
  position: relative;
  background:
    linear-gradient(180deg, transparent 0%, rgba(10, 14, 26, 0.4) 100%),
    linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-light) 100%);
  color: #fff;
  padding: clamp(60px, 9vw, 120px) var(--gap) clamp(50px, 7vw, 90px);
  overflow: hidden;
  isolation: isolate;
}
.pcwst-page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 30%, rgba(255, 107, 53, 0.25) 0%, transparent 50%),
    radial-gradient(circle at 20% 70%, rgba(26, 68, 128, 0.6) 0%, transparent 60%);
  z-index: -1;
}
.pcwst-page-header::after {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 60%; height: 100%;
  background-image: radial-gradient(circle, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: -1;
  opacity: 0.5;
}
.pcwst-page-header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
}
.pcwst-page-header h1 {
  color: #fff;
  margin: 12px 0 16px;
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.02em;
}
.pcwst-page-header__lead {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.0625rem;
  margin: 0;
  max-width: 760px;
  line-height: 1.8;
}
.pcwst-page-header__breadcrumb {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
}
.pcwst-page-header__breadcrumb a { color: rgba(255, 255, 255, 0.85); }
.pcwst-page-header__breadcrumb a:hover { color: var(--color-accent); }

/* ============================================================
   Section
   ============================================================ */
.pcwst-section {
  padding: clamp(56px, 9vw, 120px) 0;
}
.pcwst-section--bg {
  background: var(--color-bg-soft);
}
.pcwst-section--dark {
  background: var(--color-bg-dark);
  color: #fff;
}
.pcwst-section--dark h1, .pcwst-section--dark h2, .pcwst-section--dark h3 { color: #fff; }
.pcwst-section__head {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 64px);
}
.pcwst-section__head--left { text-align: left; }
.pcwst-section__kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.pcwst-section__title {
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  font-weight: 900;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.pcwst-section__title__accent {
  background: linear-gradient(120deg, var(--color-brand) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.pcwst-section__lead {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.85;
}
.pcwst-section__head--left .pcwst-section__lead { margin: 0; }