/* about.php（VRinkai について。2026-09-29）。カードは白の角丸、見出しの左に橙の線 */
.ab-page { max-width: 880px; margin: 0 auto; padding: 16px 14px 40px; display: flex; flex-direction: column; gap: 14px; color: #06293a; }
.ab-card { background: #fff; border-radius: 18px; padding: 18px 18px 16px; box-shadow: 0 6px 20px rgba(6, 41, 58, .12); }
.ab-h { display: flex; align-items: baseline; gap: 8px; margin: 0 0 12px; padding-left: 10px; border-left: 5px solid #f28c1e; font-size: 18px; font-weight: 900; line-height: 1.3; }
.ab-h small { font-size: 12px; font-weight: 700; color: #6b7d87; }

/* はじめ */
.ab-hero { position: relative; overflow: hidden; padding: 26px 20px 20px; border-radius: 22px; text-align: center; color: #fff;
  background: linear-gradient(160deg, #0f5c86 0%, #0a3a57 55%, #06293a 100%); box-shadow: 0 10px 28px rgba(6, 41, 58, .3); }
.ab-hero::after { content: ""; position: absolute; left: -10%; right: -10%; bottom: -40px; height: 90px; border-radius: 50%; background: rgba(255, 255, 255, .06); }
.ab-logo { display: block; width: min(420px, 86%); height: auto; margin: 0 auto 12px; padding: 12px 18px; border-radius: 16px; background: #fff; box-sizing: border-box; }
.ab-logo.is-svg { width: min(480px, 92%); padding: 0; border-radius: 0; background: none; }
.ab-lead { margin: 0 0 8px; font-size: 18px; font-weight: 900; line-height: 1.5; }
.ab-desc { max-width: 640px; margin: 0 auto 10px; font-size: 13.5px; line-height: 1.8; color: #cfe3ff; }

.ab-motto { position: relative; z-index: 1; margin: 0; font-size: 13px; font-style: italic; font-weight: 700; color: #ffd98a; letter-spacing: .02em; }
.ab-more svg, .ab-coop svg, .ab-linklist svg { width: 18px; height: 18px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* リンク（左揃えの一覧） */
.ab-linklist { list-style: none; margin: 0; padding: 0; }
.ab-linklist li + li { border-top: 1px solid #edf1f3; }
.ab-linklist a { display: flex; align-items: center; gap: 12px; padding: 10px 4px; color: #06293a !important; text-decoration: none !important; text-align: left; }
.ab-linklist a:hover b { color: #1aa6b7; text-decoration: underline; }
.ab-linklist svg { width: 24px; height: 24px; color: #1aa6b7; }
.ab-linklist b { display: block; font-size: 15px; font-weight: 900; }
.ab-linklist small { display: block; font-size: 12px; color: #6b7d87; font-weight: 700; }

/* 運営 */
.ab-org-top { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 12px; }
.ab-obake { width: 64px; height: 64px; border-radius: 16px; object-fit: cover; background: #f1f5f8; }
.ab-org-top p { margin: 0; font-size: 13.5px; line-height: 1.8; color: #334a56; }
.ab-orgs { list-style: none; margin: 0; padding: 0; }
.ab-orgs li { position: relative; padding: 2px 0 2px 1.1em; font-size: 14px; font-weight: 700; line-height: 1.6; }
.ab-orgs li::before { content: ""; position: absolute; left: .2em; top: .78em; width: 6px; height: 6px; border-radius: 50%; background: #1aa6b7; } /* テーマが list-style を消すので、点は自前で */

.ab-two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .ab-two { grid-template-columns: 1fr; } }
.ab-coop { display: flex; align-items: center; gap: 12px; }
.ab-coop svg { width: 40px; height: 40px; padding: 8px; border-radius: 12px; background: #e3f4f7; color: #1aa6b7; }
.ab-coop b, .ab-people b { display: block; font-size: 15px; font-weight: 900; }
.ab-coop span, .ab-people span { display: block; font-size: 12.5px; color: #4d6572; font-weight: 700; }
.ab-people { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.ab-people li { padding-left: 12px; border-left: 3px solid #d6e4ec; }

/* 受賞 */
.ab-award { display: flex; gap: 14px; align-items: flex-start; background: linear-gradient(135deg, #fff9e8, #fff); border: 2px solid #ffd76a; }
.ab-award-medal { flex: 0 0 auto; width: 54px; height: 54px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: #ffcf33; box-shadow: 0 3px 0 #d4a82a; }
.ab-award-medal svg { width: 32px; height: 32px; fill: none; stroke: #7a5200; stroke-width: 1.8; stroke-linejoin: round; stroke-linecap: round; }
.ab-award-tag { display: inline-block; margin-bottom: 4px; padding: 1px 10px; border-radius: 999px; background: #f28c1e; color: #fff; font-size: 11.5px; font-weight: 900; }
.ab-award-title { display: block; font-size: 19px; font-weight: 900; }
.ab-award p { margin: 2px 0 0; font-size: 13px; font-weight: 700; color: #4d6572; line-height: 1.55; }
.ab-award .ab-award-work { color: #06293a; }

/* 論文・学会発表 */
.ab-pubs { list-style: none; margin: 0; padding: 0; }
.ab-pubs li { display: flex; flex-direction: column; gap: 2px; padding: 10px 0; }
.ab-pubs li + li { border-top: 1px solid #edf1f3; }
.ab-when { font-size: 12px; font-weight: 800; color: #1aa6b7; }
.ab-title { font-size: 15px; font-weight: 900; line-height: 1.5; }
.ab-authors { font-size: 12.5px; color: #4d6572; line-height: 1.6; }
.ab-venue { font-size: 12.5px; font-weight: 800; color: #0f5c86; }
.ab-prize { align-self: flex-start; padding: 1px 10px; border-radius: 999px; background: #fff3cf; color: #8a5a00; font-size: 12px; font-weight: 900; }
.ab-timeline li:not(.ab-year) { position: relative; padding-left: 18px; }
.ab-timeline li:not(.ab-year)::before { content: ""; position: absolute; left: 3px; top: 16px; width: 9px; height: 9px; border-radius: 50%; background: #1aa6b7; box-shadow: 0 0 0 3px #e3f4f7; }
.ab-timeline li:not(.ab-year)::after { content: ""; position: absolute; left: 7px; top: 30px; bottom: -12px; width: 1px; background: #d6e4ec; }
.ab-timeline li.ab-year { padding: 12px 0 2px; border-top: 0; font-size: 20px; font-weight: 900; color: #b9c4ca; letter-spacing: .04em; }
.ab-timeline li.ab-year + li { border-top: 0; }

/* もっと知る */
.ab-more { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
@media (max-width: 520px) { .ab-more { grid-template-columns: 1fr; } }
.ab-more a { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 14px; background: #f4f8fb; color: #06293a !important; text-decoration: none !important; border: 2px solid transparent; }
.ab-more a:hover { border-color: #1aa6b7; background: #fff; }
.ab-more svg { width: 26px; height: 26px; color: #1aa6b7; }
.ab-more b { display: block; font-size: 14.5px; font-weight: 900; }
.ab-more small { display: block; font-size: 12px; color: #6b7d87; font-weight: 700; }
.ab-copy { margin: 14px 0 0; text-align: center; font-size: 12px; color: #9aa9b1; }