.forum-hero{position:relative;overflow:hidden;padding:32px 0 82px;background:linear-gradient(115deg,rgba(8,31,57,.96),rgba(16,47,85,.9)),url('../assets/news-hero.jpg') center 42%/cover;color:#fff}
.forum-hero:after{content:"";position:absolute;inset:auto -8vw -215px auto;width:490px;aspect-ratio:1;border:1px solid rgba(255,255,255,.13);border-radius:50%;box-shadow:0 0 0 72px rgba(255,255,255,.025);pointer-events:none}
.forum-hero-inner{position:relative;z-index:1}
.forum-breadcrumb{display:flex;gap:11px;align-items:center;flex-wrap:wrap;margin-bottom:78px;color:#b9cfdd;font-size:.75rem}
.forum-breadcrumb a:hover,.forum-breadcrumb a:focus-visible{text-decoration:underline}
.forum-hero .eyebrow{color:#90d1f6;margin-bottom:22px}
.forum-kicker{color:#d2e5f0;font-weight:700;font-size:.85rem;letter-spacing:.08em;margin-bottom:18px}
.forum-hero h1{max-width:1050px;margin:0;color:#fff;font-size:clamp(2.1rem,4.25vw,4.2rem);line-height:1.44;letter-spacing:-.045em}
.forum-hero-lead{max-width:710px;margin:25px 0 38px;color:#d5e6ee;font-size:clamp(1rem,1.35vw,1.15rem)}
.forum-dates{display:flex;gap:30px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.25);padding-top:25px;color:#fff;font:600 1.22rem Outfit,'Noto Sans JP',sans-serif;letter-spacing:.035em}
.forum-dates span{display:flex;align-items:baseline;gap:10px}.forum-dates b{color:#90d1f6;font-size:.7rem;letter-spacing:.15em}.forum-dates small{font:600 .75rem 'Noto Sans JP',sans-serif}
.forum-content{display:grid;grid-template-columns:minmax(0,790px) minmax(215px,1fr);gap:clamp(45px,7vw,100px);padding-top:86px;padding-bottom:110px;align-items:start;background:#fff}
.forum-content p{line-height:2}.forum-body{min-width:0}.forum-section-number{color:#0075c1;font:700 .71rem Outfit,sans-serif;letter-spacing:.18em!important;line-height:1.5!important;margin-bottom:15px}
.forum-body h2{font-size:clamp(1.6rem,2.7vw,2.3rem);line-height:1.45;letter-spacing:-.035em;color:#102c4d;margin-bottom:28px}
.forum-intro>p:not(.forum-section-number),.forum-section>p:not(.forum-section-number):not(.forum-note){font-size:1rem;color:#445a69}
.forum-section{margin-top:70px;padding-top:65px;border-top:1px solid #cbd9e4}.forum-section h2{margin-bottom:30px}
.forum-facts{margin:0;border-top:2px solid #102c4d}.forum-facts>div{display:grid;grid-template-columns:140px 1fr;gap:22px;padding:21px 4px;border-bottom:1px solid #d6e1e9}.forum-facts dt{color:#102c4d;font-size:.83rem;font-weight:700}.forum-facts dd{margin:0;color:#445a69;font-size:.91rem;line-height:1.95}.forum-facts dd strong{display:inline-block;min-width:3.2em;color:#015da4}.forum-facts dd span{font-size:.81rem;color:#637585}.forum-note{margin:17px 0 0;color:#637585;font-size:.78rem}.forum-note a,.forum-speaker a,.forum-back a{color:#015da4;text-decoration:underline;text-underline-offset:4px}
.forum-session{padding:33px 36px 34px;background:#f3f7fa;border-left:4px solid #0075c1}.forum-session-label{margin:0 0 15px;color:#015da4!important;font-size:.78rem;font-weight:700;letter-spacing:.02em}.forum-session h3{font-size:clamp(1.45rem,2.4vw,2rem);line-height:1.5;color:#102c4d;margin:0 0 10px}.forum-session-subtitle{font-size:.89rem!important;font-weight:700;color:#365b74!important;margin:0 0 19px}.forum-session p:last-child{color:#445a69;margin:0;font-size:.9rem}
.forum-small-heading{margin:36px 0 14px;color:#102c4d;font-size:1.05rem}.forum-topics{list-style:none;padding:0;margin:0;border-top:1px solid #d6e1e9}.forum-topics li{position:relative;padding:13px 5px 13px 27px;border-bottom:1px solid #d6e1e9;color:#445a69;font-size:.9rem}.forum-topics li:before{content:"";position:absolute;left:5px;top:25px;width:8px;height:8px;background:#0075c1;border-radius:50%}
.forum-speaker{display:grid;grid-template-columns:145px 1fr;gap:31px;align-items:start}.forum-speaker img{display:block;width:145px;aspect-ratio:1;object-fit:cover;object-position:center top;border-radius:50%;background:#edf3f5}.forum-speaker h3{margin:0 0 9px;color:#102c4d;font-size:1.45rem}.forum-speaker h3 span{color:#637585;font-size:.75rem;font-weight:500;white-space:nowrap}.forum-speaker p{margin:0 0 13px;color:#445a69;font-size:.88rem}.forum-speaker .forum-role{color:#015da4;font-weight:700}.forum-speaker a{font-size:.85rem;font-weight:700}
.forum-register{margin-top:72px;padding:42px 46px;background:linear-gradient(135deg,#081f39,#102f55 70%,#075d8f);color:#fff}.forum-register .forum-section-number{color:#90d1f6}.forum-register h2{color:#fff;margin:0 0 13px}.forum-register p:not(.forum-section-number){color:#d5e6ee;margin-bottom:24px}.forum-register .btn{border-radius:6px;background:#fff;color:#102c4d!important;box-shadow:none}.forum-register .btn span{margin-left:16px}.forum-back{margin:32px 0 0;font-size:.84rem}
.forum-aside{border-top:2px solid #0075c1;padding-top:20px}.forum-aside .eyebrow{color:#0075c1}.forum-aside strong{display:block;color:#102c4d;font-size:1.12rem;line-height:1.6}.forum-aside dl{margin:24px 0}.forum-aside dl div{padding:12px 0;border-top:1px solid #d6e1e9}.forum-aside dt{font-size:.7rem;color:#637585}.forum-aside dd{margin:2px 0 0;color:#102c4d;font-weight:700;font-size:.89rem}.forum-aside>div:first-child>a{display:flex;justify-content:space-between;padding:13px 0;border-top:1px solid #102c4d;border-bottom:1px solid #102c4d;color:#015da4;font-size:.81rem;font-weight:700}
.news-sidebar{margin-top:54px}.news-sidebar__section+.news-sidebar__section{margin-top:38px}.news-sidebar h2{margin:0 0 14px;color:#102c4d;font-size:1.15rem}.news-sidebar ul{padding:0;margin:0;list-style:none;border-top:2px solid #d6e1e9}.news-sidebar li{border-bottom:1px solid #d6e1e9}.forum-aside .news-sidebar a{display:flex;color:#102c4d;text-decoration:none}.forum-aside .news-sidebar a:hover,.forum-aside .news-sidebar a:focus-visible{color:#015da4}.news-sidebar__recent a{flex-direction:column;gap:7px;padding:14px 0}.news-sidebar__recent time{color:#637585;font:600 .72rem Outfit,'Noto Sans JP',sans-serif}.news-sidebar__recent span{font-size:.84rem;font-weight:700;line-height:1.55}.news-sidebar__months a{align-items:center;justify-content:space-between;gap:12px;padding:12px 0;font-size:.84rem;font-weight:700}.news-sidebar__months small{color:#637585;font-size:.72rem;font-weight:500}
.news-sidebar__featured{align-self:flex-start;padding:2px 7px;background:#e8f3f8;color:#015da4;font-size:.66rem;font-weight:700}
/* 記事本文と同じ幅に収めた前後記事への案内 */
.article-pagination{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:44px}
.article-pagination[hidden]{display:none}
.article-pagination__card{display:flex;min-width:0;min-height:174px;flex-direction:column;gap:15px;padding:20px 22px 18px;border:1px solid #cbd9e4;border-left:3px solid #0075c1;border-radius:6px;background:#fff;color:#102c4d;transition:background .2s ease,border-color .2s ease,transform .2s ease}
.article-pagination__card:hover,.article-pagination__card:focus-visible{background:#f3f8fc;border-color:#0075c1;transform:translateY(-2px)}
.article-pagination__card:focus-visible{outline:2px solid #0075c1;outline-offset:3px}
.article-pagination__card--next{grid-column:2;border-left:1px solid #cbd9e4;border-right:3px solid #0075c1}
.article-pagination__top{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.article-pagination__label{color:#015da4;font-size:.78rem;font-weight:700;white-space:nowrap}
.article-pagination__label span{font-size:1.05rem}
.article-pagination__top time{color:#637585;font:600 .68rem Outfit,'Noto Sans JP',sans-serif;white-space:nowrap}
.article-pagination__card strong{font-size:.94rem;line-height:1.55;letter-spacing:-.02em}
.article-pagination__category{margin-top:auto;color:#637585;font-size:.69rem;font-weight:700;letter-spacing:.04em}
@media(max-width:850px){.forum-content{grid-template-columns:1fr}.forum-aside{max-width:790px}.forum-desktop-break{display:none}}
@media(max-width:600px){.forum-hero{padding:22px 0 54px}.forum-breadcrumb{margin-bottom:55px;font-size:.68rem}.forum-hero h1{font-size:clamp(1.85rem,7.8vw,2.65rem)}.forum-hero-lead{margin:20px 0 29px}.forum-dates{gap:9px;padding-top:20px;flex-direction:column;font-size:1.06rem}.forum-content{padding-top:58px;padding-bottom:75px}.forum-section{margin-top:53px;padding-top:48px}.forum-facts>div{grid-template-columns:1fr;gap:5px;padding:17px 1px}.forum-session{padding:25px 22px}.forum-speaker{grid-template-columns:1fr;gap:18px}.forum-speaker img{width:120px}.forum-register{margin-top:55px;padding:31px 23px}.forum-register .btn{width:100%;font-size:.82rem;padding:0 13px}.article-pagination{grid-template-columns:1fr;gap:12px;margin-top:34px}.article-pagination__card--next{grid-column:1}.article-pagination__card{min-height:145px}}