/*
  BLUE Symphony Achievements / Proof Library page
  作成日: 2026-07-08
  用途: WordPress / Elementor 追加CSS
*/

:root {
  --proof-navy: #04142f;
  --proof-deep: #071b45;
  --proof-blue: #006dff;
  --proof-cyan: #28d7ff;
  --proof-gold: #d8ae5f;
  --proof-ink: #10203f;
  --proof-muted: #63728e;
  --proof-bg: #f5f8ff;
  --proof-white: #ffffff;
  --proof-line: rgba(22, 62, 132, 0.16);
  --proof-shadow: 0 22px 62px rgba(5, 24, 58, 0.14);
  --proof-radius: 28px;
}

.bs-proof {
  color: var(--proof-ink);
  background: var(--proof-white);
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.85;
  letter-spacing: 0.02em;
  overflow: hidden;
}

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

.proof-container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.proof-section {
  padding: 92px 0;
}

.proof-section-head {
  max-width: 780px;
  margin: 0 auto 44px;
  text-align: center;
}

.proof-eyebrow {
  margin: 0 0 12px;
  color: var(--proof-blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.bs-proof h1,
.bs-proof h2,
.bs-proof h3,
.bs-proof p {
  margin-top: 0;
}

.bs-proof h1 {
  margin-bottom: 24px;
  color: var(--proof-white);
  font-size: clamp(2.45rem, 6.8vw, 5.5rem);
  line-height: 1.06;
  letter-spacing: 0.01em;
}

.bs-proof h2 {
  margin-bottom: 18px;
  color: var(--proof-navy);
  font-size: clamp(1.85rem, 3.5vw, 3.05rem);
  line-height: 1.25;
}

.bs-proof h3 {
  margin-bottom: 12px;
  color: var(--proof-navy);
  font-size: 1.18rem;
  line-height: 1.45;
}

.bs-proof p {
  margin-bottom: 16px;
}

.proof-hero {
  position: relative;
  isolation: isolate;
  min-height: 700px;
  padding: 118px 0 90px;
  background:
    radial-gradient(circle at 82% 15%, rgba(40, 215, 255, 0.27), transparent 26%),
    radial-gradient(circle at 15% 20%, rgba(216, 174, 95, 0.2), transparent 30%),
    linear-gradient(135deg, #020b1f 0%, #08235a 48%, #07133a 100%);
}

.proof-hero::before,
.proof-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  pointer-events: none;
}

.proof-hero::before {
  width: 640px;
  height: 640px;
  right: -190px;
  top: 80px;
  border: 1px solid rgba(40, 215, 255, 0.24);
  border-radius: 50%;
  box-shadow: inset 0 0 70px rgba(40, 215, 255, 0.1);
}

.proof-hero::after {
  width: 980px;
  height: 260px;
  left: -140px;
  bottom: 70px;
  border-top: 1px solid rgba(216, 174, 95, 0.5);
  border-radius: 50%;
  transform: rotate(-7deg);
}

.proof-hero__inner {
  max-width: 980px;
}

.proof-hero .proof-eyebrow {
  color: var(--proof-cyan);
}

.proof-hero__lead {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.08rem, 2.2vw, 1.38rem);
}

.proof-definition {
  max-width: 880px;
  margin: 32px 0 28px;
  padding: 28px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--proof-radius);
  backdrop-filter: blur(14px);
  box-shadow: 0 22px 62px rgba(0, 0, 0, 0.18);
}

.proof-definition p:last-child {
  margin-bottom: 0;
}

.proof-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0 0;
}

.proof-cta-row--center {
  justify-content: center;
}

.proof-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 900;
  line-height: 1.2;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.proof-btn:hover {
  transform: translateY(-2px);
}

.proof-btn--primary {
  color: #ffffff;
  border-color: #07528f;
  background: #0b67b2;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.16), 0 13px 30px rgba(4,54,105,.22);
}

.proof-btn--secondary {
  color: var(--proof-white);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.proof-section--summary,
.proof-section--projects,
.proof-section--timeline,
.proof-section--faq {
  background: var(--proof-bg);
}

.proof-summary-grid,
.proof-card-grid,
.proof-media-grid,
.proof-service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.proof-visual-library {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 34px 0 30px;
}

.proof-visual-library > a {
  color: inherit;
  text-decoration: none;
}

.proof-visual-library figure {
  position: relative;
  min-height: 250px;
  margin: 0;
  background: var(--proof-navy);
  border: 1px solid rgba(19, 67, 138, 0.18);
  border-radius: 20px;
  box-shadow: 0 18px 44px rgba(7, 31, 72, 0.13);
  overflow: hidden;
}

.proof-visual-library img {
  display: block;
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.proof-visual-library a:hover img,
.proof-visual-library a:focus-visible img {
  transform: scale(1.035);
}

.proof-visual-library figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  gap: 4px;
  padding: 46px 18px 17px;
  color: var(--proof-white);
  background: linear-gradient(180deg, transparent, rgba(3, 18, 46, 0.95));
}

.proof-visual-library figcaption small {
  color: #8fe8ff;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.09em;
}

.proof-visual-library figcaption strong {
  font-size: 0.95rem;
  line-height: 1.4;
}

.proof-summary-grid article,
.proof-feature-card,
.proof-media-grid article,
.proof-service-grid article,
.proof-list-cards article {
  position: relative;
  min-height: 100%;
  padding: 28px;
  background: var(--proof-white);
  border: 1px solid var(--proof-line);
  border-radius: var(--proof-radius);
  box-shadow: 0 18px 46px rgba(8, 36, 85, 0.08);
}

.proof-summary-grid span,
.proof-card-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 28px;
  margin-bottom: 18px;
  padding: 0 10px;
  color: var(--proof-blue);
  background: rgba(0, 109, 255, 0.08);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 900;
}

.proof-table-wrap {
  overflow-x: auto;
  background: var(--proof-white);
  border: 1px solid var(--proof-line);
  border-radius: var(--proof-radius);
  box-shadow: var(--proof-shadow);
}

.proof-relation-table,
.proof-timeline-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.proof-relation-table th,
.proof-relation-table td,
.proof-timeline-table th,
.proof-timeline-table td {
  padding: 18px;
  border-bottom: 1px solid rgba(16, 32, 63, 0.08);
  vertical-align: top;
}

.proof-relation-table thead th,
.proof-timeline-table thead th {
  color: var(--proof-white);
  background: var(--proof-navy);
  font-weight: 900;
  text-align: left;
}

.proof-relation-table tbody th,
.proof-timeline-table tbody td:first-child {
  color: var(--proof-navy);
  background: rgba(0, 109, 255, 0.05);
  font-weight: 900;
  text-align: left;
}

.proof-relation-table tr:last-child th,
.proof-relation-table tr:last-child td,
.proof-timeline-table tr:last-child td {
  border-bottom: 0;
}

.proof-logo-cell {
  width: 250px;
  min-width: 250px;
}

.proof-logo-cell img {
  width: auto;
  max-width: 112px;
  height: auto;
  max-height: 46px;
  margin: 4px 12px 4px 0;
  object-fit: contain;
  object-position: center;
  vertical-align: middle;
}

/* Keep institutional marks subordinate to the evidence, with one visual scale. */
.bs-proof .proof-relation-table td.proof-logo-cell {
  width: 220px;
  min-width: 220px;
  max-width: 220px;
  padding: 16px;
  text-align: center;
  vertical-align: middle;
  white-space: normal;
}

.bs-proof .proof-relation-table td.proof-logo-cell img {
  display: inline-block !important;
  width: 96px !important;
  height: 54px !important;
  min-width: 0 !important;
  min-height: 0 !important;
  max-width: 96px !important;
  max-height: 54px !important;
  margin: 6px 5px !important;
  object-fit: contain !important;
  object-position: center !important;
  transform: none !important;
}

.bs-proof .proof-logo-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 12px;
  width: 100%;
  min-height: 58px;
}

.bs-proof .proof-relation-table td.proof-logo-cell .proof-logo-group--double img {
  width: 82px !important;
  height: 48px !important;
}

.bs-proof .proof-logo-group--triple {
  flex-wrap: nowrap;
  gap: 7px;
}

.bs-proof .proof-relation-table td.proof-logo-cell .proof-logo-group--triple img {
  width: 56px !important;
  height: 40px !important;
}

.proof-logo-cell img:last-child { margin-right: 0; }

.proof-logo-cell--dark {
  background: inherit;
}

.proof-feature-card ul {
  margin: 18px 0;
  padding-left: 1.2em;
}

.proof-feature-card li {
  margin-bottom: 8px;
}

.proof-feature-card a,
.proof-card-link,
.proof-service-grid a {
  color: var(--proof-blue);
  font-weight: 900;
  text-decoration: none;
}

.proof-evidence-media {
  margin: -28px -28px 22px;
  background: #eef3fa;
  border-bottom: 1px solid var(--proof-line);
  overflow: hidden;
}

.proof-evidence-media img {
  display: block;
  width: 100%;
  height: 230px;
  object-fit: cover;
  object-position: center top;
}

.proof-evidence-media figcaption {
  padding: 9px 16px;
  color: var(--proof-muted);
  background: #f6f8fb;
  font-size: 0.72rem;
  line-height: 1.5;
}

.proof-evidence-card {
  overflow: hidden;
}

.proof-media-grid .proof-card-logo {
  height: 112px;
  min-height: 112px;
  max-height: 112px;
  margin: -28px -28px 22px;
  padding: 20px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #f6f9fd;
  border-bottom: 1px solid var(--proof-line);
}

.proof-media-grid .proof-card-logo img {
  display: block !important;
  width: 180px !important;
  height: 64px !important;
  min-width: 0 !important;
  min-height: 0 !important;
  max-width: 180px !important;
  max-height: 64px !important;
  margin: 0 !important;
  object-fit: contain !important;
  transform: none !important;
}

.proof-media-grid .proof-evidence-media img {
  height: 138px;
  object-fit: cover;
  object-position: center;
}

.proof-note {
  margin-top: 18px;
  padding: 14px 16px;
  color: var(--proof-muted);
  background: rgba(4, 20, 47, 0.04);
  border-left: 3px solid var(--proof-gold);
  border-radius: 14px;
  font-size: 0.9rem;
}

.proof-note--light {
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.1);
  border-left-color: var(--proof-cyan);
}

.proof-split {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(340px, 1.14fr);
  gap: 46px;
  align-items: start;
}

.proof-list-cards {
  display: grid;
  gap: 18px;
}

.proof-list-cards article > time {
  display: block;
  margin-bottom: 10px;
  color: #8a681f;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.proof-section--programs {
  background:
    linear-gradient(180deg, #ffffff, #f7faff);
}

.proof-section--award {
  color: rgba(255, 255, 255, 0.88);
  background:
    radial-gradient(circle at 18% 18%, rgba(40, 215, 255, 0.24), transparent 28%),
    linear-gradient(135deg, var(--proof-navy), #0a2566);
}

.proof-section--award h2,
.proof-section--award h3 {
  color: var(--proof-white);
}

.proof-section--award .proof-eyebrow {
  color: var(--proof-cyan);
}

.proof-award-panel {
  max-width: 980px;
  margin: 0 auto;
  padding: 40px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 34px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.18);
}

.proof-award-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 30px 0 20px;
}

.proof-award-grid div {
  padding: 22px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 22px;
}

.proof-award-grid span,
.proof-award-grid strong {
  display: block;
}

.proof-award-grid span {
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.84rem;
}

.proof-award-grid strong {
  color: var(--proof-white);
  font-size: 1.06rem;
}

.proof-section--sources {
  background: #ffffff;
}

.proof-source-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.proof-source-list li {
  padding: 16px 18px;
  background: var(--proof-bg);
  border: 1px solid var(--proof-line);
  border-radius: 18px;
}

.proof-source-list a,
.proof-source-list span {
  color: var(--proof-ink);
  font-weight: 800;
  text-decoration: none;
}

.proof-section--media-cta {
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(40, 215, 255, 0.22), transparent 30%),
    linear-gradient(135deg, #04142f, #082b72);
}

.proof-section--media-cta h2 {
  color: var(--proof-white);
}

.proof-section--media-cta .proof-eyebrow {
  color: var(--proof-cyan);
}

.proof-section--media-cta p {
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.proof-faq-list {
  display: grid;
  gap: 14px;
  max-width: 900px;
  margin: 0 auto;
}

.proof-faq-list details {
  background: var(--proof-white);
  border: 1px solid var(--proof-line);
  border-radius: 20px;
  box-shadow: 0 14px 36px rgba(8, 36, 85, 0.06);
}

.proof-faq-list summary {
  cursor: pointer;
  padding: 20px 24px;
  color: var(--proof-navy);
  font-weight: 900;
}

.proof-faq-list p {
  margin: 0;
  padding: 0 24px 22px;
  color: var(--proof-muted);
}

.proof-section--final {
  text-align: center;
  background:
    linear-gradient(180deg, rgba(245, 248, 255, 0.72), #ffffff),
    radial-gradient(circle at 50% 0%, rgba(40, 215, 255, 0.18), transparent 28%);
}

.proof-section--final p {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.proof-section--final .proof-action-guide {
  margin-top: 22px;
  padding: 14px 18px;
  color: var(--proof-muted);
  background: rgba(5, 30, 75, 0.045);
  border-left: 3px solid var(--proof-gold);
  text-align: left;
}

.proof-action-guide strong { color: var(--proof-navy); }

.proof-section--final .proof-btn--secondary {
  color: var(--proof-navy);
  background: rgba(5, 30, 75, 0.06);
  border-color: rgba(5, 30, 75, 0.18);
}

@media (max-width: 1024px) {
  .proof-visual-library {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .proof-summary-grid,
  .proof-card-grid,
  .proof-media-grid,
  .proof-service-grid,
  .proof-award-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .proof-section {
    padding: 68px 0;
  }

  .proof-hero {
    min-height: auto;
    padding: 92px 0 70px;
  }

  .proof-split {
    grid-template-columns: 1fr;
  }

  .proof-definition,
  .proof-award-panel {
    padding: 24px;
  }
}

@media (max-width: 640px) {
  .proof-container {
    width: min(100% - 28px, 1120px);
  }

  .bs-proof h1 {
    font-size: 2.45rem;
  }

  .proof-visual-library,
  .proof-summary-grid,
  .proof-card-grid,
  .proof-media-grid,
  .proof-service-grid,
  .proof-award-grid {
    grid-template-columns: 1fr;
  }

  .proof-visual-library figure,
  .proof-visual-library img {
    min-height: 220px;
    height: 220px;
  }

  .proof-btn {
    width: 100%;
  }
}