/* Portal-only layout; shared navigation and sign-in styles remain independent. */
.portal-refined { color: #202329; background: #f5f6f8; }
.portal-refined .topbar { padding: 16px 36px; min-height: 76px; }
.portal-refined main { width: 100%; max-width: 1600px; margin: 0 auto; padding: 36px 40px 64px; }
.portal-refined .workspace-head { align-items: center; margin-bottom: 30px; }
.portal-refined .eyebrow { display: flex; gap: 10px; color: #666c76; font-size: 11px; margin-bottom: 10px; }
.portal-refined .eyebrow::before { display: none; }
.portal-refined .eyebrow span { color: #c7cbd1; }
.portal-refined h1 { font-size: 28px; line-height: 1.5; font-weight: 750; }
.portal-refined .tool-controls { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-bottom: 14px; margin-bottom: 34px; border-bottom: 1px solid #d6dae1; }
.portal-refined .filters { display: flex; flex-direction: row; align-items: center; gap: 6px; min-width: 0; overflow: auto; }
.portal-refined .filter-button { flex: none; min-height: 40px; padding: 9px 14px; border: 1px solid transparent; border-radius: 5px; background: transparent; color: #656d78; font-size: 13px; }
.portal-refined .filter-button::before, .portal-refined .filter-button::after { display: none; }
.portal-refined .filter-button:hover { background: #e9ecf0; color: #242a32; }
.portal-refined .filter-button[aria-pressed="true"] { color: #fff; background: #282c34; font-weight: 600; }
.portal-refined .search-field { flex: 0 0 240px; max-width: none; width: 240px; min-height: 42px; padding: 0 14px; border-color: #daddE4; box-shadow: none; }
.portal-refined #toolGrid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); align-items: start; gap: 32px; }
.portal-refined .platform-section { --platform: #e63d53; min-width: 0; border-top: 3px solid var(--platform); }
.portal-refined .platform-section[data-platform="X"] { --platform: #272c33; }
.portal-refined .platform-section[data-platform="共通ツール"] { --platform: #138478; }
.portal-refined .platform-heading { display: flex; align-items: center; gap: 14px; min-height: 110px; padding: 22px 4px; margin: 0; }
.portal-refined .platform-heading::before { display: none; }
.portal-refined .platform-heading h2 { margin: 0 0 5px; font-size: 25px; font-weight: 750; line-height: 1.3; }
.portal-refined .platform-heading .platform-subtitle { font-size: 12px; color: #69727d; }
.portal-refined .platform-heading .platform-mark { width: 48px; height: 48px; flex: 0 0 48px; display: grid; place-items: center; color: var(--platform); font-size: 40px; font-weight: 650; line-height: 1; }
.portal-refined .platform-mark img { width: 48px; height: 48px; object-fit: contain; }
.portal-refined .platform-mark > span { display: block; width: 31px; height: 31px; color: inherit; background: currentColor; mask: var(--icon) center/contain no-repeat; }
.portal-refined [data-platform="X"] .platform-mark { background: #272c33; color: #fff; border-radius: 7px; font-size: 30px; }
.portal-refined [data-platform="共通ツール"] .platform-mark { background: #e2f0ed; border-radius: 7px; }
.portal-refined .platform-grid { display: grid; grid-template-columns: minmax(0,1fr); gap: 12px; }
.portal-refined #toolGrid .tool-card { position: relative; grid-column: auto; min-width: 0; min-height: 144px; background: #fff; border: 1px solid #dfe3e9; border-radius: 7px; box-shadow: none; }
.portal-refined #toolGrid .tool-card:hover { border-color: #bcc4d0; box-shadow: 0 6px 20px #252b3610; transform: translateY(-2px); }
.portal-refined #toolGrid .tool-card-body { display: grid; grid-template-columns: 38px minmax(0,1fr) 30px; column-gap: 12px; row-gap: 12px; padding: 22px 18px; min-height: inherit; height: auto; }
.portal-refined #toolGrid .tool-card-head { display: contents; }
.portal-refined .tool-icon { grid-column: 1; grid-row: 1; width: 38px; height: 38px; border-radius: 6px; margin-top: 3px; }
.portal-refined .tool-icon > span { width: 22px; height: 22px; }
.portal-refined .tool-title-wrap { grid-column: 2; grid-row: 1; }
.portal-refined .tool-kicker { font-size: 11px; line-height: 1.4; color: #79818c; margin-bottom: 5px; }
.portal-refined #toolGrid h3 { font-size: 17px; font-weight: 700; line-height: 1.55; }
.portal-refined .tool-copy { grid-column: 2 / 4; grid-row: 2; margin: 0; font-size: 13px; line-height: 1.85; color: #68717d; }
.portal-refined .card-actions { grid-column: 3; grid-row: 1; align-self: center; min-height: 0; margin: 0; border: 0; }
.portal-refined .tool-link { display: grid; place-items: center; width: 30px; min-height: 34px; border: 1px solid #e7eaf0; border-radius: 5px; background: #fafbfc; }
.portal-refined .tool-link img { width: 17px; height: 17px; }
.portal-refined .tool-link::after { content: ""; position: absolute; inset: 0; }
.portal-refined .tool-link:focus-visible { outline: none; }
.portal-refined .tool-card:focus-within { outline: 2px solid #346aca; outline-offset: 3px; }
.portal-refined .copy-command { position: relative; z-index: 1; }
.portal-refined .tool-card:hover .tool-link { background: var(--tint); border-color: transparent; }
.portal-refined .tool-note, .portal-refined .launch-command { grid-column: 1 / -1; }
@media (min-width: 1600px) {
  .portal-refined main { padding-top: 52px; }
  .portal-refined #toolGrid h3 { font-size: 18px; }
  .portal-refined .tool-copy { font-size: 13px; }
  .portal-refined #toolGrid .tool-card-body { padding: 24px 20px; }
}
@media (max-width: 1120px) {
  .portal-refined #toolGrid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 30px; }
  .portal-refined .platform-section[data-platform="共通ツール"] { grid-column: 1 / -1; }
  .portal-refined .platform-section[data-platform="共通ツール"] .platform-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 30px; }
  .portal-refined .tool-controls { flex-wrap: wrap; gap: 14px; }
  .portal-refined .search-field { flex: 1 1 230px; max-width: 320px; }
}
@media (max-width: 720px) {
  .portal-refined .topbar { padding: 14px 18px; min-height: 70px; gap: 12px; flex-wrap: wrap; }
  .portal-refined main { padding: 28px 20px 40px; }
  .portal-refined .workspace-head { margin-bottom: 20px; }
  .portal-refined h1 { font-size: 24px; }
  .portal-refined .eyebrow { font-size: 10px; }
  .portal-refined .tool-controls { gap: 14px; margin-bottom: 26px; }
  .portal-refined .filters { width: 100%; padding-bottom: 5px; scrollbar-width: none; gap: 2px; }
  .portal-refined .filter-button { padding: 8px 12px; min-height: 38px; font-size: 12px; }
  .portal-refined .search-field { max-width: none; flex-basis: 100%; }
  .portal-refined #toolGrid { grid-template-columns: minmax(0,1fr); gap: 28px; }
  .portal-refined .platform-section[data-platform="共通ツール"] .platform-grid { grid-template-columns: minmax(0,1fr); gap: 12px; }
  .portal-refined .platform-heading { min-height: 94px; padding: 19px 0; }
  .portal-refined .platform-heading h2 { font-size: 24px; }
  .portal-refined #toolGrid .tool-card { min-height: 132px; }
  .portal-refined #toolGrid .tool-card-body { padding: 20px 16px; column-gap: 10px; grid-template-columns: 34px minmax(0,1fr) 28px; }
  .portal-refined .tool-icon { width: 34px; height: 34px; }
  .portal-refined #toolGrid h3 { font-size: 16px; }
  .portal-refined .tool-copy { font-size: 12px; }
  .portal-refined .tool-link { width: 28px; }
}