/* ============================================
   特殊ページ（ポータル）専用スタイル
   ============================================ */

:root {
  --color-blue:         #12A9D8;
  --color-blue-dark:    #0E8CB5;
  --color-purple:       #5B5EA6;
  --gradient-main:      linear-gradient(135deg, #12A9D8 0%, #5B5EA6 100%);
  --color-text:         #2C2C2C;
  --color-text-sub:     #666666;
  --color-white:        #FFFFFF;
  --color-bg-light:     #F5F7FA;
  --color-bg-gray:      #EEEFF2;
  --color-border:       #DDDDDD;
  --shadow-sm:          0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:          0 4px 20px rgba(0,0,0,0.10);
  --font-weight-bold:   700;
  --font-weight-medium: 500;
  --transition:         0.3s ease;
  --sidebar-width:      240px;
}

*,
*::before,
*::after { box-sizing: border-box; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 10px;
  color: var(--color-text);
  background: var(--color-bg-light);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: var(--color-blue); text-decoration: none; }


/* ============================================
   ミニヘッダー
   ============================================ */
.portal-header {
  background: var(--gradient-main);
  padding: 12px 0;
}

.portal-header__inner {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 40px);
}

.portal-header__logo img {
  height: 32px;
  width: auto;
  filter: invert(1) brightness(10);
}


/* ============================================
   ページヒーロー
   ============================================ */
.portal-hero {
  background: rgba(18, 169, 216, 0.06);
  border-bottom: 1px solid rgba(18, 169, 216, 0.2);
  padding: 28px 0;
}

.portal-hero__inner {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 40px);
}

.portal-hero__client {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.portal-hero__sub {
  font-size: 1.3rem;
  color: var(--color-text-sub);
  margin-top: 4px;
}


/* ============================================
   ボディラッパー
   ============================================ */
.portal-body-wrap {
  max-width: 1200px;
  margin-inline: auto;
  padding: 40px clamp(16px, 4vw, 40px) 80px;
}


/* ============================================
   2カラムレイアウト
   ============================================ */
.portal-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  gap: 32px;
  align-items: start;
}


/* ============================================
   サイドバー
   ============================================ */
.portal-sidebar {
  position: sticky;
  top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* 顧客名ブロック */
.portal-sidebar__client {
  background: var(--gradient-main);
  border-radius: 8px;
  padding: 16px 20px;
}

.portal-sidebar__client-name {
  font-size: 1.6rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  line-height: 1.3;
}

.portal-sidebar__client-label {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 2px;
}

/* ページナビ */
.portal-nav {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.portal-nav__title {
  font-size: 1.2rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-sub);
  letter-spacing: 0.08em;
  padding: 12px 16px 8px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-light);
}

.portal-nav__list {
  list-style: none;
  padding: 8px 0;
  margin: 0;
}

.portal-nav__link {
  display: block;
  font-size: 1.4rem;
  color: var(--color-text);
  padding: 10px 16px 10px 36px;
  position: relative;
  transition: background var(--transition), color var(--transition);
}

.portal-nav__link::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-top: 2px solid var(--color-blue);
  border-right: 2px solid var(--color-blue);
  rotate: 45deg;
  transition: border-color var(--transition);
}

.portal-nav__link:hover {
  background: var(--color-bg-light);
  color: var(--color-blue);
}

.portal-nav__link.is-current {
  background: rgba(18, 169, 216, 0.08);
  color: var(--color-blue);
  font-weight: var(--font-weight-bold);
}

.portal-nav__link.is-current::before {
  border-color: var(--color-blue);
}

/* サイドバー問い合わせ */
.portal-sidebar__contact {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  padding: 16px;
  text-align: center;
}

.portal-sidebar__contact-label {
  font-size: 1.2rem;
  color: var(--color-text-sub);
  margin-bottom: 8px;
}

.portal-sidebar__tel {
  display: block;
  font-size: 1.8rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}

.portal-sidebar__tel:hover {
  color: var(--color-blue);
}

.portal-sidebar__hours {
  font-size: 1.1rem;
  color: var(--color-text-sub);
  margin-bottom: 12px;
}


/* ============================================
   メインコンテンツ
   ============================================ */
.portal-content {
  min-width: 0;
}

.portal-content__title {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-blue);
  margin-bottom: 1em;
  line-height: 1.4;
}


/* ============================================
   セクション共通
   ============================================ */
.portal-section {
  margin-bottom: 48px;
}

.portal-section__title {
  font-size: 1.8rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  padding-left: 14px;
  border-left: 4px solid var(--color-blue);
  line-height: 1.4;
  margin-bottom: 24px;
}


/* ============================================
   テキストブロック
   ============================================ */
.portal-text {
  font-size: 1.5rem;
  line-height: 1.85;
  color: var(--color-text);
}

.portal-text p + p { margin-top: 1em; }

.portal-text h2 {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  border-bottom: 2px solid var(--color-blue);
  padding-bottom: 10px;
  margin-top: 2em;
  margin-bottom: 1em;
  line-height: 1.4;
}

.portal-text > *:first-child { margin-top: 0; }

.portal-text h3 {
  font-size: 1.7rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  border-left: 4px solid var(--color-blue);
  padding-left: 12px;
  margin-top: 1.8em;
  margin-bottom: 0.8em;
  line-height: 1.4;
}

.portal-text ol,
.portal-text ul {
  padding-left: 1.8em;
  margin: 0.75em 0;
}
.portal-text ol { list-style: decimal; }
.portal-text ul { list-style: disc; }
.portal-text li {
  margin-bottom: 0.4em;
  line-height: 1.75;
}


/* ============================================
   カード列
   ============================================ */
.portal-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.portal-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.portal-card__head {
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 16px;
}

.portal-card__label {
  font-size: 1.1rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-blue);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.portal-card__title {
  font-size: 1.4rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  line-height: 1.4;
}

.portal-card__body {
  padding: 14px 16px;
  flex: 1;
}

.portal-card__desc {
  font-size: 1.3rem;
  color: var(--color-text-sub);
  line-height: 1.75;
}

.portal-card__foot {
  padding: 0 16px 16px;
}


/* ============================================
   比較テーブル
   ============================================ */
.portal-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

.portal-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  background: var(--color-white);
  font-size: 1.4rem;
}

.portal-table thead tr { background: var(--gradient-main); }

.portal-table thead th {
  padding: 12px 14px;
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
  text-align: center;
  position: relative;
  white-space: nowrap;
}

.portal-table thead th:first-child {
  text-align: left;
  background: rgba(0,0,0,0.15);
}

.portal-table__col--b { background: rgba(255,255,255,0.15) !important; }

.portal-table__badge {
  display: inline-block;
  font-size: 1rem;
  background: #FFD700;
  color: #2C2C2C;
  font-weight: var(--font-weight-bold);
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
}

.portal-table tbody tr { border-bottom: 1px solid var(--color-border); }
.portal-table tbody tr:last-child { border-bottom: none; }
.portal-table tbody tr:nth-child(even) { background: var(--color-bg-light); }

.portal-table tbody td {
  padding: 12px 14px;
  color: var(--color-text);
  text-align: center;
}

.portal-table tbody td:first-child {
  text-align: left;
  font-weight: var(--font-weight-medium);
  background: rgba(18,169,216,0.04);
}


/* ============================================
   ステップ手順
   ============================================ */
.portal-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.portal-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  position: relative;
  padding-bottom: 28px;
}

.portal-step:last-child { padding-bottom: 0; }

.portal-step::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 40px;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.portal-step:last-child::before { display: none; }

.portal-step__num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-main);
  color: var(--color-white);
  font-size: 1.6rem;
  font-weight: var(--font-weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.portal-step__body { flex: 1; padding-top: 8px; }

.portal-step__title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.4;
}

.portal-step__desc {
  font-size: 1.4rem;
  color: var(--color-text-sub);
  line-height: 1.75;
}


/* ============================================
   ポイント・注意書きボックス
   ============================================ */
.portal-box {
  border-radius: 8px;
  padding: 18px 22px;
  margin-bottom: 14px;
  font-size: 1.4rem;
  line-height: 1.75;
}

.portal-box:last-child { margin-bottom: 0; }

.portal-box__title {
  font-size: 1.4rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 6px;
}

.portal-box--info {
  background: rgba(18, 169, 216, 0.08);
  border-left: 4px solid var(--color-blue);
}

.portal-box--info .portal-box__title { color: var(--color-blue-dark); }

.portal-box--warn {
  background: rgba(230, 126, 34, 0.08);
  border-left: 4px solid #E67E22;
}

.portal-box--warn .portal-box__title { color: #C0620E; }


/* ============================================
   ボタン
   ============================================ */
.portal-btn {
  display: inline-block;
  font-size: 1.4rem;
  font-weight: var(--font-weight-bold);
  padding: 10px 22px;
  border-radius: 50px;
  background: var(--gradient-main);
  color: var(--color-white);
  transition: opacity var(--transition);
  text-align: center;
}

.portal-btn:hover { opacity: 0.82; }

.portal-btn--outline {
  background: transparent;
  border: 1.5px solid var(--color-blue);
  color: var(--color-blue);
}

.portal-btn--outline:hover {
  background: rgba(18, 169, 216, 0.06);
  opacity: 1;
}

.portal-btn--sm {
  font-size: 1.3rem;
  padding: 8px 16px;
  display: block;
  text-align: center;
}


/* ============================================
   ミニフッター
   ============================================ */
.portal-footer {
  background: var(--color-text);
  padding: 20px;
  text-align: center;
}

.portal-footer__copy {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.5);
}


/* ============================================
   レスポンシブ
   ============================================ */
@media (max-width: 860px) {
  .portal-layout {
    grid-template-columns: 1fr;
  }

  .portal-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .portal-sidebar__client {
    grid-column: 1 / -1;
    padding: 12px 16px;
  }

  .portal-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .portal-sidebar {
    grid-template-columns: 1fr;
  }

  .portal-cards {
    grid-template-columns: 1fr;
  }

  .portal-body-wrap {
    padding-top: 24px;
    padding-bottom: 48px;
  }
}