:root{--ink:#17313b;--muted:#587078;--teal:#086f75;--teal-dark:#07575d;--mint:#dff2ef;--cream:#f6f4ed;--white:#fff;--line:#d8e2df;--accent:#e39a35;--max:1180px;--shadow:0 18px 50px rgba(14,54,61,.11)}
/* お知らせ・PDF運用 */
body .section-news .news-list article{grid-template-columns:125px 74px 1fr 92px}.news-list h3 a{text-underline-offset:5px}.news-list h3 a:hover{color:var(--teal);text-decoration:underline}.tag-training{background:#e6f0fa;color:#315e88}.tag-notice{background:#f2eafb;color:#6e468d}.tag-report{background:#fff0d9;color:#8e5e1b}.news-format{justify-self:end;border:1px solid var(--teal);color:var(--teal);border-radius:3px;padding:2px 8px;font:700 .7rem/1.6 Arial,sans-serif;letter-spacing:.04em}.news-format.is-pending{border-color:#aebcba;color:#73827f}.pending-link{color:#40555c}
/* 学会案内 */
.conference-text-link{color:#fff;font-weight:700;border-bottom:1px solid rgba(255,255,255,.7)}.conference-local-nav{position:sticky;top:84px;z-index:40;display:flex;justify-content:center;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 8px 22px rgba(14,54,61,.05)}.conference-local-nav a{padding:15px 18px;font-size:.82rem;font-weight:700;color:var(--muted)}.conference-local-nav a:hover{background:var(--mint);color:var(--teal)}.signature{display:flex;align-items:end;justify-content:flex-end;gap:18px;margin-top:45px;color:var(--ink)}.signature small{font-size:.85rem}.signature strong{font-size:1.4rem;letter-spacing:.15em}.timeline{list-style:none;margin:0 0 70px;padding:0;border-top:2px solid var(--ink)}.timeline li{display:grid;grid-template-columns:110px 1fr;gap:24px;padding:18px 12px;border-bottom:1px solid var(--line)}.timeline time{font:700 1.2rem/1.5 Arial,sans-serif;color:var(--teal)}.timeline h3{font-size:1.05rem;margin:0}.timeline p{margin:2px 0 0;color:var(--muted);font-size:.9rem}.lecture-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:0 0 95px}.lecture-grid article{padding:42px;background:var(--ink);color:#fff}.lecture-grid article:nth-child(2){background:var(--teal)}.lecture-grid h3{font-size:1.8rem}.lecture-title{min-height:90px;font-size:1.25rem;font-weight:700}.lecture-grid small{color:#c6d5d9}.lecture-meta{border-top:1px solid rgba(255,255,255,.3);padding-top:18px;margin-bottom:0;font-size:.88rem;color:#d5e2e4}.abstract-block{padding-top:10px}.section-heading.compact{margin-bottom:28px}.abstract-list{margin:0;padding:0;list-style:none;counter-reset:abstract;border-top:2px solid var(--ink)}.abstract-list li{counter-increment:abstract;display:grid;grid-template-columns:48px 1fr;gap:18px;padding:19px 8px;border-bottom:1px solid var(--line)}.abstract-list li::before{content:counter(abstract,decimal-leading-zero);font:700 1rem Arial;color:var(--teal)}.abstract-list strong,.abstract-list small{display:block}.abstract-list small{margin-top:5px;color:var(--muted)}.registration-section{background:linear-gradient(135deg,#eef8f6,#f8f6ef)}.registration-panel{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:start;padding:45px;background:#fff;box-shadow:var(--shadow)}.registration-panel>p{font-size:1.1rem}.registration-panel dl{margin:0}.registration-panel dl div{padding:13px 0;border-top:1px solid var(--line)}.registration-panel dt{font-size:.8rem;color:var(--muted)}.registration-panel dd{margin:2px 0;font-weight:700}.speaker-section{max-width:none;padding-left:max(28px,calc((100vw - var(--max))/2 + 28px));padding-right:max(28px,calc((100vw - var(--max))/2 + 28px))}.speaker-guide{margin:0;border-top:2px solid var(--ink)}.speaker-guide div{display:grid;grid-template-columns:210px 1fr;gap:30px;padding:21px 10px;border-bottom:1px solid var(--line)}.speaker-guide dt{font-weight:700}.speaker-guide dd{margin:0;color:var(--muted)}.venue-section{max-width:none;background:var(--cream);padding-left:max(28px,calc((100vw - var(--max))/2 + 28px));padding-right:max(28px,calc((100vw - var(--max))/2 + 28px))}.venue-heading{display:flex;justify-content:space-between;gap:30px;align-items:end;padding:28px 32px;background:var(--teal);color:#fff}.venue-heading h3{margin:0;font-size:1.4rem}.venue-heading p{margin:4px 0 0}.venue-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.venue-grid article{padding:34px;background:#fff}.venue-grid article>span{display:inline-grid;place-items:center;min-width:46px;height:34px;padding:0 8px;background:var(--mint);color:var(--teal);font:700 .76rem Arial;border-radius:7px}.venue-grid h3{font-size:1.2rem;margin:18px 0}.venue-grid dl{margin:0}.venue-grid dl div{display:grid;grid-template-columns:75px 1fr;gap:14px;padding:11px 0;border-top:1px solid var(--line)}.venue-grid dt{color:var(--muted);font-size:.82rem}.venue-grid dd{margin:0;font-weight:700}.venue-action{display:flex;align-items:center;gap:24px;margin-top:28px}.venue-action small{color:var(--muted)}
@media(max-width:800px){body .section-news .news-list article{grid-template-columns:100px 1fr}.news-list .news-format{grid-column:2;grid-row:1;justify-self:end}.news-list h3{grid-column:1/-1}.conference-local-nav{top:72px;justify-content:flex-start;overflow-x:auto}.conference-local-nav a{white-space:nowrap}.lecture-grid,.registration-panel,.venue-grid{grid-template-columns:1fr}.speaker-guide div{grid-template-columns:1fr;gap:5px}.venue-heading{display:block}.venue-action{align-items:flex-start;flex-direction:column}}
/* 改善：重要情報の優先表示・状態表示・長いページの操作 */
.news-priority{max-width:var(--max);margin:auto;padding:38px 28px 34px}.news-priority-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:18px}.news-priority-head h2{font-size:1.75rem;margin:0}.news-priority-head .eyebrow{margin-bottom:5px}.news-priority-head>a{font-size:.85rem;font-weight:700;color:var(--teal)}.news-priority-list{border-top:2px solid var(--ink)}.news-priority-list>a,.news-priority-list>div{display:grid;grid-template-columns:112px 70px 1fr auto;align-items:center;gap:16px;min-height:58px;padding:9px 5px;border-bottom:1px solid var(--line)}.news-priority-list time{font:500 .85rem Arial;color:var(--muted)}.news-priority-list strong{font-size:.92rem}.news-priority-list>a:hover strong{color:var(--teal)}.sample-badge,.pending-link::before{display:inline-block;border-radius:3px;background:#68777a;color:#fff;padding:2px 7px;font:700 .67rem/1.55 Arial,sans-serif;letter-spacing:.04em}.pending-link::before{content:"サンプル";margin-right:10px;vertical-align:2px}.status-chip{display:inline-flex;align-items:center;margin-bottom:18px;border:1px solid #b6c4c1;background:#f5f8f7;color:#536663;border-radius:3px;padding:3px 10px;font-size:.78rem;font-weight:700}.conference-local-nav a.is-current{background:var(--teal);color:#fff}.abstract-block{border:1px solid var(--line);padding:0;background:#fff}.abstract-block summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:30px;padding:28px 30px;background:#f3f8f7}.abstract-block summary::-webkit-details-marker{display:none}.abstract-block summary>span>span,.abstract-block summary>span>strong,.abstract-block summary>span>small{display:block}.abstract-block summary .eyebrow{margin-bottom:6px}.abstract-block summary strong{font-size:1.6rem}.abstract-block summary small{color:var(--muted)}.abstract-block summary>b{position:relative;width:34px;height:34px;border:1px solid var(--teal);border-radius:50%}.abstract-block summary>b::before,.abstract-block summary>b::after{content:"";position:absolute;left:9px;right:9px;top:15px;height:2px;background:var(--teal)}.abstract-block summary>b::after{transform:rotate(90deg);transition:.2s}.abstract-block[open] summary>b::after{transform:rotate(0)}.abstract-block .abstract-list{margin:0 30px 28px}.back-to-top{position:fixed;right:24px;bottom:24px;z-index:80;width:50px;height:50px;border:0;border-radius:50%;background:var(--teal);color:#fff;box-shadow:0 8px 25px rgba(8,111,117,.28);font-size:1.3rem;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:.2s}.back-to-top.is-visible{opacity:1;visibility:visible;transform:none}.back-to-top:hover{background:var(--teal-dark)}
@media(max-width:800px){.news-priority{padding:28px 24px}.news-priority-head{align-items:flex-start}.news-priority-list>a,.news-priority-list>div{grid-template-columns:96px 1fr;gap:5px 12px;padding:13px 3px}.news-priority-list strong{grid-column:1/-1}.news-priority-list b,.sample-badge{grid-column:2;grid-row:1;justify-self:end}.abstract-block summary{padding:22px 20px}.abstract-block summary strong{font-size:1.3rem}.abstract-block .abstract-list{margin:0 18px 20px}.back-to-top{right:16px;bottom:16px}}
/* 完成版メインビジュアル */
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@media(max-width:800px){.hero{min-height:660px;background-position:62% center}.hero::after{border-width:7px}.hero .hero-inner{padding:95px 24px}.hero .hero-copy{max-width:100%}.hero .hero-copy h1{font-size:clamp(2.8rem,13vw,4.6rem)}.news-priority-head{display:block}.news-list-toggle{margin-top:14px}.conference-hero{background-position:58% center;padding:55px 24px}.conference-hero-copy{max-width:530px;padding:32px 27px;background:rgba(255,255,255,.88)}}
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var(--max))/2 + 28px)) 25px}.site-footer>div{display:flex;justify-content:space-between;align-items:center;padding-bottom:45px;border-bottom:1px solid rgba(255,255,255,.18)}.footer-brand{font-weight:700;letter-spacing:.12em}.site-footer nav{display:flex;gap:28px;font-size:.85rem}.site-footer>p{margin:24px 0 0;color:#9cb1b7}.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.button,.portal-card,.external-links a{transition:none}}
@media (max-width:800px){.header-inner{height:72px;padding:0 20px}.brand-mark{width:38px;height:38px}.menu-toggle{display:block;position:relative;z-index:2}.global-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;padding:12px 24px 25px;box-shadow:0 18px 25px rgba(0,0,0,.1);flex-direction:column;align-items:stretch;gap:0}.global-nav.open{display:flex}.global-nav a{padding:15px 0;border-bottom:1px solid var(--line)}.global-nav a::after{display:none}.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.menu-toggle.open span:nth-child(2){opacity:0}.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.hero{min-height:auto}.hero-inner{grid-template-columns:1fr;padding:70px 24px}.hero-visual{width:min(90vw,380px)}.feature-band,.intro-grid,.contact-grid{grid-template-columns:1fr}.link-grid,.program-grid,.activity-grid{grid-template-columns:1fr}.section{padding:72px 24px}.section-heading{display:block}.news-list article{grid-template-columns:100px 1fr;gap:8px 14px}.news-list h3{grid-column:1/-1}.feature-band{padding:72px 24px}.conference-hero{padding:70px 24px;min-height:auto}.conference-seal{width:180px;height:180px}.conference-seal strong{font-size:4.5rem}.info-section,.activity-section,.links-section{padding:72px 24px}.cta-band{margin:0 24px 72px;padding:38px 28px;display:block}.cta-band .button{margin-top:24px}.sample-row{grid-template-columns:1fr}.sample-row>*{border-right:0;border-bottom:1px solid var(--line)}.external-links{grid-template-columns:1fr}.site-footer>div{display:block}.site-footer nav{margin-top:25px;flex-wrap:wrap}.page-title::after{opacity:.45}}
@media (max-width:560px){.brand small{display:none}.hero-actions{align-items:stretch;flex-direction:column}.text-link{align-self:flex-start}.hero-visual{transform:scale(.92);margin:-20px auto}.conference-hero{display:block}.conference-seal{margin:60px auto 20px}.outline-list div{grid-template-columns:1fr;gap:4px}.contact-card{padding:32px 24px}.members-placeholder{padding:40px 20px}.site-footer nav{display:grid;gap:12px}}

/* 最終メインビジュアル指定（既存共通スタイルより優先） */
.hero{position:relative;min-height:clamp(600px,82vh,850px);background-image:linear-gradient(90deg,rgba(8,35,44,.88) 0%,rgba(8,35,44,.69) 38%,rgba(8,35,44,.12) 72%,rgba(8,35,44,.04) 100%),url("images/association-hero.png");background-size:cover;background-position:center;isolation:isolate}.hero .hero-inner{display:block;padding-top:110px;padding-bottom:110px}.hero .hero-copy{max-width:700px;color:#fff}.hero .hero-copy h1{font-size:clamp(3.4rem,7vw,6.8rem);color:#fff}.hero .hero-lead{color:#eef7f5}
.conference-hero{position:relative;min-height:clamp(570px,73vh,760px);display:flex;background-color:#f4efe5;background-image:url("images/conference-hero.png");background-repeat:no-repeat;background-size:cover;background-position:center;color:var(--ink);isolation:isolate}.conference-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(250,248,243,.94) 0%,rgba(250,248,243,.82) 40%,rgba(250,248,243,.5) 72%,rgba(250,248,243,.62) 100%)}.conference-hero-copy{position:relative;z-index:1;max-width:610px;padding:42px 46px;background:rgba(255,255,255,.84);border-left:5px solid var(--teal);box-shadow:0 20px 55px rgba(23,49,59,.1);backdrop-filter:blur(4px)}.conference-hero .conference-hero-copy h1{color:var(--ink);text-shadow:none}.conference-hero .conference-hero-copy>p:not(.eyebrow){color:var(--muted)}.conference-hero .conference-text-link{color:var(--teal);border-color:var(--teal)}
@media(max-width:800px){.hero{min-height:660px;background-position:62% center}.hero .hero-inner{display:block;padding:95px 24px}.conference-hero{display:flex;min-height:560px;padding:55px 24px;background-position:58% center}.conference-hero-copy{max-width:530px;padding:32px 27px;background:rgba(255,255,255,.9)}}
@media(max-width:560px){.conference-hero{display:flex}}

/* 添付版「佐賀メディカルフェスタ2026」のTOPデザインを移植 */
.festa-hero{position:relative;min-height:500px;display:flex;align-items:center;padding:96px 0 88px;background-color:#f3eee6;background-image:linear-gradient(90deg,rgba(247,250,249,.97) 0%,rgba(247,250,249,.94) 34%,rgba(247,250,249,.78) 52%,rgba(247,250,249,.28) 72%,rgba(247,250,249,.06) 100%),url("images/conference-hero.png");background-repeat:no-repeat;background-position:center,center right;background-size:cover,cover;border-bottom:1px solid var(--line)}.festa-hero-inner{position:relative;z-index:1;width:min(calc(100% - 48px),1120px);margin:0 auto}.festa-eyebrow{margin:0 0 14px;color:var(--teal);font:800 .78rem/1.4 Arial,sans-serif;letter-spacing:.2em}.festa-hero h1{max-width:790px;margin:0;color:var(--ink);font-size:clamp(3rem,6.6vw,6.1rem);line-height:1.16;letter-spacing:.035em;text-shadow:0 1px 0 rgba(255,255,255,.35)}.festa-sub{margin:16px 0 24px;color:var(--teal-dark);font-size:clamp(1.15rem,2.2vw,1.7rem);font-weight:700;letter-spacing:.08em}.festa-meta{display:flex;gap:12px;flex-wrap:wrap}.festa-meta span{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:999px;padding:9px 15px;font-weight:700;backdrop-filter:blur(2px)}.festa-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.festa-secondary{background:rgba(255,255,255,.88);border-color:var(--teal);color:var(--teal)}
@media(max-width:800px){.festa-hero{min-height:500px;padding:46px 0;background-image:linear-gradient(180deg,rgba(247,250,249,.78) 0%,rgba(247,250,249,.9) 55%,rgba(247,250,249,.98) 100%),url("images/conference-hero.png");background-position:center,center top;background-size:cover,auto 58%}.festa-hero-inner{width:min(calc(100% - 40px),1120px);margin-top:175px;padding:18px 20px;background:rgba(255,255,255,.48);border-radius:18px}.festa-hero h1{font-size:clamp(2.5rem,11vw,4.3rem)}.festa-meta{display:grid}.festa-meta span{border-radius:12px}.festa-actions{display:grid}.festa-actions .button{width:100%}}

/* 協会TOP：佐賀県と地域医療のイラストを主役にした配色 */
.region-hero{min-height:clamp(620px,82vh,840px);background:linear-gradient(135deg,#f8fcfd 0%,#f3fbf7 54%,#eef9f5 100%);color:var(--ink);overflow:hidden}.region-hero::before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;right:-130px;top:-210px;background:rgba(71,190,230,.11);z-index:-1}.region-hero::after{content:"";position:absolute;inset:auto auto -240px -180px;width:500px;height:500px;border:0;border-radius:50%;background:rgba(105,193,100,.1);z-index:-1}.region-hero .hero-inner{display:grid;grid-template-columns:.8fr 1.2fr;align-items:center;gap:20px;padding-top:70px;padding-bottom:70px}.region-hero .hero-copy{max-width:580px;color:var(--ink);z-index:2}.region-hero .hero-copy h1{color:#125e65;font-size:clamp(3.2rem,6vw,6.2rem);text-shadow:none}.region-hero .hero-kicker{color:#2c9b73}.region-hero .hero-en{color:#288fc0}.region-hero .hero-lead{color:var(--muted)}.region-hero .hero-text-link{color:var(--teal);border-color:var(--teal)}.region-hero-art{margin:0;align-self:stretch;display:grid;place-items:center}.region-hero-art img{display:block;width:min(830px,62vw);max-height:680px;object-fit:contain;filter:drop-shadow(0 22px 34px rgba(31,115,115,.1))}.page-next{display:flex;align-items:center;justify-content:space-between;gap:40px;border-top:1px solid var(--line)}.page-next h2{margin-bottom:12px}.page-next p:last-child{color:var(--muted)}.members-title::after{box-shadow:0 0 0 45px #eef9f7,0 0 0 46px #c9e8df}
@media(max-width:1050px){.global-nav{gap:18px}.global-nav a{font-size:.84rem}.region-hero .hero-inner{grid-template-columns:.9fr 1.1fr}.region-hero-art img{width:min(780px,60vw)}}
@media(max-width:800px){.region-hero{min-height:auto}.region-hero .hero-inner{display:flex;flex-direction:column;padding:64px 24px 30px}.region-hero .hero-copy{max-width:100%}.region-hero .hero-copy h1{font-size:clamp(2.8rem,13vw,4.7rem)}.region-hero-art{order:2;margin-top:10px}.region-hero-art img{width:100%;max-height:520px}.page-next{display:block}.page-next .button{margin-top:20px}}

.region-hero-art img{width:min(880px,64vw);max-height:690px;filter:drop-shadow(0 22px 34px rgba(31,115,115,.12))}
@media(max-width:1050px){.region-hero-art img{width:min(820px,62vw)}}
@media(max-width:800px){.region-hero-art img{width:100%;max-height:520px}}

/* TOPを横長・横書きで固定 */
.region-hero{min-height:560px}.region-hero .hero-inner{display:grid;grid-template-columns:minmax(560px,1.08fr) minmax(0,.92fr);align-items:center;gap:10px;padding-top:58px;padding-bottom:58px}.region-hero .hero-copy{max-width:none}.region-hero .hero-kicker{white-space:nowrap;writing-mode:horizontal-tb;word-break:keep-all}.region-hero .hero-copy h1{white-space:nowrap;writing-mode:horizontal-tb;word-break:keep-all;font-size:clamp(3.2rem,4.7vw,5.35rem);line-height:1.2;letter-spacing:.035em}.region-hero .hero-en{white-space:nowrap}.region-hero .hero-lead{max-width:570px}.region-hero-art img{width:min(790px,53vw);max-height:540px}
@media(max-width:1050px){.region-hero .hero-inner{grid-template-columns:minmax(470px,1fr) minmax(0,1fr)}.region-hero .hero-copy h1{font-size:clamp(3rem,5.2vw,4.4rem)}.region-hero-art img{width:min(680px,52vw)}}
@media(max-width:800px){.region-hero{min-height:auto}.region-hero .hero-inner{display:flex;flex-direction:column;align-items:stretch;padding-top:54px;padding-bottom:24px}.region-hero .hero-copy h1{font-size:clamp(2.25rem,9.7vw,4rem);letter-spacing:.01em}.region-hero .hero-kicker{font-size:.8rem;letter-spacing:.08em}.region-hero .hero-en{font-size:.65rem;letter-spacing:.2em}.region-hero-art img{width:100%;max-height:430px}.region-hero .hero-actions{align-items:flex-start}}

/* 下層ページTOP：シンプルな抽象幾何学ビジュアル */
body[data-page="about"] .page-title,.members-title{min-height:390px;display:flex;align-items:center;overflow:hidden;isolation:isolate}
body[data-page="about"] .page-title::after,.members-title::after{content:"";position:absolute;right:max(24px,calc((100vw - var(--max))/2));top:50%;transform:translateY(-50%);width:min(48vw,620px);height:310px;border:0;border-radius:0;box-shadow:none;background-repeat:no-repeat;background-position:center right;background-size:contain;z-index:-1;opacity:.96}
body[data-page="about"] .page-title::after{background-image:url("images/about-geometric.png")}
.members-title::after{background-image:url("images/members-geometric.png")}
body[data-page="about"] .page-title>div,.members-title>div{position:relative;z-index:1;max-width:52%}
@media(max-width:800px){body[data-page="about"] .page-title,.members-title{min-height:430px;align-items:flex-start;padding-top:72px;padding-bottom:210px}body[data-page="about"] .page-title>div,.members-title>div{max-width:100%}body[data-page="about"] .page-title::after,.members-title::after{right:14px;top:auto;bottom:18px;transform:none;width:calc(100% - 28px);height:205px;background-position:center bottom;opacity:.7}}

/* お問い合わせ・関係リンクTOP：接点と広がりを表す抽象幾何学ビジュアル */
body[data-page="contact"] .page-title{min-height:390px;display:flex;align-items:center;overflow:hidden;isolation:isolate}
body[data-page="contact"] .page-title::after{content:"";position:absolute;right:max(24px,calc((100vw - var(--max))/2));top:50%;transform:translateY(-50%);width:min(48vw,620px);height:310px;border:0;border-radius:0;box-shadow:none;background:url("images/contact-links-geometric.png") no-repeat center right/contain;z-index:-1;opacity:.96}
body[data-page="contact"] .page-title>div{position:relative;z-index:1;max-width:52%}
@media(max-width:800px){body[data-page="contact"] .page-title{min-height:430px;align-items:flex-start;padding-top:72px;padding-bottom:210px}body[data-page="contact"] .page-title>div{max-width:100%}body[data-page="contact"] .page-title::after{right:14px;top:auto;bottom:18px;transform:none;width:calc(100% - 28px);height:205px;background-position:center bottom;opacity:.7}}

/* 動きは付加機能：JavaScriptが無効でも本文とナビゲーションを表示 */
.reveal{opacity:1;transform:none}
html.motion-ready .reveal{opacity:0;transform:translateY(22px);transition:opacity .75s ease,transform .75s cubic-bezier(.22,1,.36,1)}
html.motion-ready .reveal.is-visible{opacity:1;transform:none}
.button,.portal-card,.program-grid article,.activity-grid article,.external-links a,.news-priority-list>a,.members-placeholder{transition:transform .25s ease,box-shadow .25s ease,background-color .25s ease,border-color .25s ease}
@media(hover:hover){.button:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(8,111,117,.22)}.portal-card:hover,.program-grid article:hover,.activity-grid article:hover,.external-links a:hover,.members-placeholder:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.news-priority-list>a:hover{background:#f3f9f7;transform:translateX(4px)}}
.button:focus-visible,.portal-card:focus-visible,.external-links a:focus-visible,.news-priority-list>a:focus-visible,.menu-toggle:focus-visible,.back-to-top:focus-visible{outline:3px solid #e5a93c;outline-offset:4px}
.back-to-top{display:grid;place-items:center}.back-to-top:active{transform:translateY(2px)}
@media(max-width:800px){.menu-toggle{display:none}.global-nav{display:flex;position:static;padding:0;box-shadow:none}.nav-ready .menu-toggle{display:block}.nav-ready .global-nav{display:none;position:absolute;top:72px;left:0;right:0;padding:12px 24px 25px;box-shadow:0 18px 25px rgba(0,0,0,.1)}.nav-ready .global-nav.open{display:flex}}
@media(prefers-reduced-motion:reduce){html.motion-ready .reveal{opacity:1;transform:none;transition:none}.button,.portal-card,.program-grid article,.activity-grid article,.external-links a,.news-priority-list>a,.members-placeholder,.back-to-top{transition:none!important}}

/* ホーム下部：番号・見出し・説明を同じリズムで揃えた主要ページ案内 */
.link-grid{max-width:none;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;padding:96px max(28px,calc((100vw - var(--max))/2 + 28px));background:var(--cream)}
.portal-card{position:relative;min-height:340px;padding:46px 48px 42px;border:1px solid var(--line);background:#fff;overflow:hidden}
.portal-card>span{display:block;color:#a9dcd6;font:800 clamp(3.2rem,4.6vw,4.5rem)/1 Arial,sans-serif;letter-spacing:-.035em}
.portal-card div{margin:48px 0 0}
.portal-card h2{margin:0 0 18px;font-size:clamp(1.5rem,2vw,1.85rem);line-height:1.45;letter-spacing:.055em}
.portal-card p{max-width:20em;font-size:1rem;line-height:2;color:var(--muted)}
.portal-card>b{position:absolute;right:36px;bottom:30px;color:var(--teal);font-size:1.3rem;transition:transform .25s ease}
@media(hover:hover){.portal-card:hover{background:#f8fcfb;border-color:#afd9d3}.portal-card:hover>b{transform:translate(4px,-4px)}}
@media(max-width:800px){.link-grid{grid-template-columns:1fr;padding:68px 24px;gap:18px}.portal-card{min-height:285px;padding:36px 32px}.portal-card>span{font-size:3.5rem}.portal-card div{margin-top:34px}.portal-card>b{right:28px;bottom:24px}}

/* 可読性調整：学会名を横一列にし、小さい文字の濃度と大きさを改善 */
:root{--muted:#405c64;--line:#ccd9d6}
.festa-hero-inner{width:min(calc(100% - 56px),1280px)}
.festa-hero h1{max-width:none;white-space:nowrap;word-break:keep-all;font-size:clamp(3rem,5.25vw,5.25rem);letter-spacing:.025em}
.eyebrow,.festa-eyebrow{color:var(--teal-dark);font-size:.84rem;font-weight:800}
.brand small{color:#405c64;font-size:.72rem;font-weight:600}
.hero .hero-en{font-size:.82rem;font-weight:700}.region-hero .hero-en{color:#176f99}
.draft-note{color:#4b6269;font-size:.9rem}
.external-links small{font-size:.76rem;color:var(--teal-dark)}
.feature-facts small{color:#e0f1ef}.site-footer>p{color:#c5d2d6}
@media(max-width:800px){.festa-hero-inner{width:min(calc(100% - 40px),1120px)}.festa-hero h1{white-space:normal;word-break:keep-all;font-size:clamp(2.45rem,10.5vw,4.2rem);line-height:1.2}.eyebrow,.festa-eyebrow{font-size:.78rem;letter-spacing:.16em}}

/* お問い合わせTOP画像：ほかの下層ページになじむ淡さ・余白へ調整 */
body[data-page="contact"] .page-title::after{right:max(44px,calc((100vw - var(--max))/2 + 20px));width:min(43vw,540px);height:280px;opacity:.64;filter:saturate(.62) contrast(.9) brightness(1.08)}
@media(max-width:800px){body[data-page="contact"] .page-title::after{right:7.5%;bottom:22px;width:85%;height:175px;opacity:.5;filter:saturate(.55) contrast(.88) brightness(1.1)}}

/* 学会ページ：最新版掲載情報に合わせた補助スタイル */
.festa-theme{max-width:900px;margin:18px 0 26px;color:#244b52;font-size:clamp(1.15rem,1.8vw,1.42rem);font-weight:700;line-height:1.72;letter-spacing:.035em}
.festa-theme small{font-size:.88em;font-weight:600}
.festa-theme+.festa-meta{margin-top:0;margin-bottom:20px}
.festa-meta span{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:10px;border-radius:8px;padding:10px 16px}
.festa-meta small{color:var(--teal-dark);font-size:.78rem;font-weight:800;letter-spacing:.08em}
.festa-meta strong{color:var(--ink);font-size:.94rem;line-height:1.5}
.timeline li{grid-template-columns:160px 1fr}
.abstract-list.abstract-list-unordered li{grid-template-columns:1fr;padding-left:8px}
.abstract-list.abstract-list-unordered li::before{display:none}
.chair-panel{margin-top:28px;padding:34px;background:#f3f8f7;border:1px solid var(--line)}
.chair-panel h3{margin:5px 0 22px;font-size:1.45rem}
.chair-panel dl{margin:0}
.chair-panel dl div{display:grid;grid-template-columns:90px 1fr;gap:22px;padding:14px 0;border-top:1px solid var(--line)}
.chair-panel dt{font-weight:700;color:var(--teal)}
.chair-panel dd{margin:0;color:var(--ink);line-height:1.8}
.reception-section{background:#f8f6ef}
.registration-note{margin-top:20px;padding:12px 16px;border-left:3px solid var(--teal);background:#f3f8f7;color:var(--teal-dark);font-weight:700}
@media(max-width:800px){.timeline li{grid-template-columns:1fr;gap:4px}.timeline time{font-size:1rem}.chair-panel{padding:24px 20px}.chair-panel dl div{grid-template-columns:1fr;gap:4px}.festa-theme{font-size:1.08rem;line-height:1.75}.festa-theme+.festa-meta{margin-bottom:16px}.festa-meta span{grid-template-columns:52px 1fr;padding:11px 14px}.festa-meta strong{font-size:.9rem}.registration-panel{grid-template-columns:1fr;gap:28px}.speaker-guide div{grid-template-columns:1fr;gap:6px}.venue-grid{grid-template-columns:1fr}}

/* 学会TOP：背景を少し拡大し、佐賀城が見える濃度へ調整 */
.festa-hero{background-image:linear-gradient(90deg,rgba(255,253,247,.88) 0%,rgba(255,253,247,.79) 34%,rgba(255,253,247,.49) 56%,rgba(255,253,247,.12) 75%,rgba(255,253,247,.02) 100%),url("images/conference-hero-poster-style.png");background-position:center,center right;background-size:cover,cover}
.festa-hero h1{font-size:clamp(2.8rem,4.75vw,4.75rem)}
@media(max-width:800px){.festa-hero{background-image:linear-gradient(180deg,rgba(255,253,247,.52) 0%,rgba(255,253,247,.72) 54%,rgba(255,253,247,.95) 100%),url("images/conference-hero-poster-style.png");background-position:center,63% top;background-size:cover,cover}.festa-hero h1{font-size:clamp(2.25rem,9.7vw,3.8rem)}}

/* 学会ページ全体：ポスターに合わせたアイボリー、セージ、コーラルの統一デザイン */
body[data-page="conference"]{--teal:#6d9f62;--teal-dark:#31583c;--mint:#e9f1df;--cream:#fffaf0;--ink:#304a37;--muted:#5f745f;--line:#b7cfae;background:#fffaf0;color:#304a37}
body[data-page="conference"] .site-header{background:rgba(255,250,240,.96);border-bottom:1px solid #c8d8ba}
body[data-page="conference"] .brand-mark{color:#31583c}
body[data-page="conference"] .global-nav a:hover,body[data-page="conference"] .global-nav a[aria-current="page"]{color:#31583c;background:#e9f1df}
body[data-page="conference"] .conference-local-nav{background:#f3f7ed;border-bottom:1px solid #c8d8ba}
body[data-page="conference"] .conference-local-nav a{color:#426245}
body[data-page="conference"] .conference-local-nav a:hover{color:#31583c;background:#e1edd8}
body[data-page="conference"] .festa-eyebrow,body[data-page="conference"] .eyebrow{color:#5c9461}
body[data-page="conference"] .section-heading h2{color:#31583c}
body[data-page="conference"] .section-heading p{color:#5f745f}
body[data-page="conference"] .info-section{background:radial-gradient(circle at 94% 12%,rgba(220,235,202,.72) 0 110px,transparent 112px),#f8fbf3}
body[data-page="conference"] .outline-list,body[data-page="conference"] .chair-panel,body[data-page="conference"] .registration-panel,body[data-page="conference"] .venue-grid article,body[data-page="conference"] .contact-card{border-color:#bdd1b4;background:#fffdf8;box-shadow:0 10px 25px rgba(49,88,60,.06)}
body[data-page="conference"] .outline-list li{border-color:#d7e3ce}
body[data-page="conference"] .outline-list strong,body[data-page="conference"] .chair-panel dt{color:#4f8658}
body[data-page="conference"] .timeline{border-color:#7faa72}
body[data-page="conference"] .timeline li{border-color:#d7e3ce}
body[data-page="conference"] .timeline time{color:#e46f4d}
body[data-page="conference"] .lecture-grid article{background:#3c6747;border-color:#3c6747;box-shadow:0 12px 28px rgba(49,88,60,.15)}
body[data-page="conference"] .lecture-grid article:nth-child(2){background:#f07b58;border-color:#f07b58}
body[data-page="conference"] .lecture-grid article :is(h3,p,span){color:#fffdf8}
body[data-page="conference"] .abstract-block{border-color:#c6d9b9;background:#fffdf8}
body[data-page="conference"] .abstract-block summary{background:#eef5e7;color:#31583c}
body[data-page="conference"] .abstract-block summary::marker{color:#e46f4d}
body[data-page="conference"] .abstract-list li{border-color:#d7e3ce}
body[data-page="conference"] .reception-section{background:radial-gradient(circle at 8% 78%,rgba(248,225,213,.78) 0 100px,transparent 102px),#fffaf0}
body[data-page="conference"] .registration-section{background:linear-gradient(135deg,#f9ecdf 0%,#fffaf0 48%,#eaf2e2 100%)}
body[data-page="conference"] .registration-panel{border:1px solid #c9d9bd}
body[data-page="conference"] .registration-note{border-color:#ed7955;background:#fff0e8;color:#80513e;border-radius:0 10px 10px 0}
body[data-page="conference"] .speaker-section{background:#f8fbf3}
body[data-page="conference"] .speaker-guide{border-color:#c4d7b9;background:#fffdf8}
body[data-page="conference"] .speaker-guide div{border-color:#d7e3ce}
body[data-page="conference"] .speaker-guide dt{color:#4e8758}
body[data-page="conference"] .venue-section{background:#fffaf0}
body[data-page="conference"] .venue-heading{color:#31583c}
body[data-page="conference"] .venue-grid article>span{background:#eaf2e1;color:#416e48}
body[data-page="conference"] .contact-grid{background:#f8fbf3}
body[data-page="conference"] .contact-card{border-radius:16px}
body[data-page="conference"] .contact-note{background:#eaf2e1;color:#31583c;border-left-color:#ed7955}
body[data-page="conference"] .button-primary{background:#4f8658;border-color:#4f8658;color:#fffdf8}
body[data-page="conference"] .button-primary:hover{background:#31583c;border-color:#31583c}
body[data-page="conference"] .festa-secondary{background:#fffdf8;border-color:#6d9f62;color:#31583c}
body[data-page="conference"] .festa-secondary:hover{background:#eaf2e1}
body[data-page="conference"] .site-footer{background:#31583c;color:#f7f3e9}
body[data-page="conference"] .site-footer a{color:#fffdf8}
body[data-page="conference"] .back-to-top{background:#4f8658}
@media(max-width:800px){body[data-page="conference"] .info-section{background:#f8fbf3}body[data-page="conference"] .outline-list,body[data-page="conference"] .chair-panel,body[data-page="conference"] .registration-panel,body[data-page="conference"] .venue-grid article,body[data-page="conference"] .contact-card{border-radius:12px}}

/* 会長あいさつ：写真を置かない一段組の本文レイアウト */
body[data-page="conference"] #message{display:block;max-width:980px;padding-top:112px;padding-bottom:112px}
body[data-page="conference"] #message .section-heading{margin-bottom:32px}
body[data-page="conference"] #message .prose{max-width:860px;padding:clamp(26px,4vw,48px);background:#fffdf8;border-top:2px solid #7faa72;border-bottom:1px solid #c8d8ba;color:#405c46;font-size:1.03rem;line-height:2.05}
body[data-page="conference"] #message .prose p{margin:0 0 1.6em}
body[data-page="conference"] #message .prose p:last-child{margin-bottom:0}
body[data-page="conference"] #message .prose .lead{margin-bottom:.35em;color:#31583c;font-size:clamp(1.3rem,2.2vw,1.6rem);line-height:1.55}
body[data-page="conference"] #message .message-signature{margin-bottom:2.4em;color:#4e8758;font-weight:700;text-align:right}
@media(max-width:800px){body[data-page="conference"] #message{padding-top:72px;padding-bottom:72px}body[data-page="conference"] #message .prose{padding:26px 22px;font-size:1rem;line-height:1.95}body[data-page="conference"] #message .message-signature{margin-bottom:2em}}

/* 演者向けCOI案内：必要なときだけ展開するコンパクトな補足 */
body[data-page="conference"] .speaker-coi{max-width:980px;margin:26px auto 0;border:1px solid #c4d7b9;background:#fffdf8}
body[data-page="conference"] .speaker-coi summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;cursor:pointer;list-style:none;color:#31583c}
body[data-page="conference"] .speaker-coi summary::-webkit-details-marker{display:none}
body[data-page="conference"] .speaker-coi summary span{display:grid;gap:3px}
body[data-page="conference"] .speaker-coi summary .eyebrow{margin:0;font-size:.68rem}
body[data-page="conference"] .speaker-coi summary strong{font-size:1.08rem}
body[data-page="conference"] .speaker-coi summary small{color:#5f745f}
body[data-page="conference"] .speaker-coi summary b{width:12px;height:12px;flex:0 0 auto;border-right:2px solid #4f8658;border-bottom:2px solid #4f8658;transform:rotate(45deg);transition:transform .2s}
body[data-page="conference"] .speaker-coi[open] summary{border-bottom:1px solid #d7e3ce}
body[data-page="conference"] .speaker-coi[open] summary b{transform:rotate(225deg)}
body[data-page="conference"] .speaker-coi-content{padding:20px 24px 24px;color:#405c46;line-height:1.9}
body[data-page="conference"] .speaker-coi-content p{margin:0 0 12px;font-weight:700}
body[data-page="conference"] .speaker-coi-content ul{margin:0;padding-left:1.3em}
body[data-page="conference"] .speaker-coi-content li+li{margin-top:8px}
body[data-page="conference"] .contact-grid-single{display:block;max-width:980px}
body[data-page="conference"] .contact-grid-single .contact-card{max-width:860px}
@media(max-width:800px){body[data-page="conference"] .speaker-coi summary{padding:18px 20px}body[data-page="conference"] .speaker-coi summary strong{font-size:1rem}body[data-page="conference"] .speaker-coi-content{padding:18px 20px 22px}body[data-page="conference"] .contact-grid-single .contact-card{max-width:none}}

/* COI開示スライド見本 */
body[data-page="conference"] .coi-examples{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:24px}
body[data-page="conference"] .coi-examples figure{margin:0;border:1px solid #c8d8ba;background:#fff;padding:12px}
body[data-page="conference"] .coi-examples figcaption{margin-bottom:10px;color:#31583c;font-weight:700}
body[data-page="conference"] .coi-examples img{display:block;width:100%;height:auto;border:1px solid #e2e9db}
@media(max-width:700px){body[data-page="conference"] .coi-examples{grid-template-columns:1fr;gap:16px}body[data-page="conference"] .coi-examples figure{padding:10px}}