:root{--navy:#35451e;--blue:#536b2c;--ink:#27321e;--muted:#5d684f;--line:#dbe1ce;--pale:#f0f4e8;--accent:#a4472d;--accent-hover:#81351f;--accent-pale:#fff1e9;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;font-size:16px;line-height:1.9;background:#fff}a{color:var(--accent);text-underline-offset:4px}a:hover{color:var(--accent-hover)}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.skip{position:absolute;top:-80px;left:20px;z-index:20;background:white;padding:12px}.skip:focus{top:10px}.review-strip{background:var(--navy);color:#fff;font-size:.875rem;line-height:1.6;padding:9px 0}.wrap{width:min(1120px,calc(100% - 64px));margin:auto}.review-strip .wrap{display:flex;justify-content:space-between;gap:16px}.review-strip span:last-child{color:#e0e7d4}header{border-bottom:1px solid var(--line);background:#fff}.brand{display:flex;align-items:center;gap:14px;padding:25px 0 20px;text-decoration:none;color:var(--navy);width:fit-content;font-size:1.2rem;font-weight:700;line-height:1.5}.brand small{display:block;font-size:.75rem;font-weight:400;letter-spacing:.14em;color:var(--muted)}nav{display:flex;gap:30px;flex-wrap:wrap}nav a{text-decoration:none;color:var(--muted);font-size:.9375rem;padding:12px 0 15px;border-bottom:3px solid transparent}nav a[aria-current=page]{color:var(--navy);border-color:var(--navy);font-weight:700}.page-top{padding:52px 0 40px}.eyebrow{display:block;color:var(--accent);font-size:.875rem;letter-spacing:.12em;font-weight:600;margin-bottom:14px}h1,h2,h3,h4{font-weight:650;line-height:1.5;color:var(--navy);margin-top:0}h1{font-size:clamp(1.9rem,3.6vw,2.75rem);letter-spacing:.02em;margin-bottom:20px}h2{font-size:1.65rem;letter-spacing:.02em;margin-bottom:20px}h3{font-size:1.2rem;margin-bottom:14px}p{margin:0 0 18px}.lede{font-size:1.125rem;line-height:2;max-width:760px;color:#46533a}.home-hero{padding:56px 0 52px;display:grid;grid-template-columns:1.3fr .8fr;gap:64px;align-items:center}.home-hero h1{font-size:clamp(2rem,4vw,3.3rem);line-height:1.5}.home-hero .lede{max-width:650px}.purpose{background:var(--navy);color:white;padding:34px;border-top:4px solid var(--accent)}.purpose h2{font-size:1.35rem;color:white}.purpose p{font-size:.95rem;color:#e8edde}.purpose p:last-child{margin-bottom:0}.section{padding:44px 0;border-top:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:22px}.section-head h2{margin:0}.section-head a{font-size:.9375rem}.feature{display:grid;grid-template-columns:1.3fr .7fr;gap:48px;background:var(--pale);padding:36px 40px;border-left:4px solid var(--accent)}.feature h2{font-size:1.65rem;margin-bottom:14px}.feature aside{border-left:1px solid #ccd6bd;padding-left:30px}.label{display:inline-block;color:var(--accent);font-size:.875rem;margin-bottom:12px;font-weight:600}.buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.button{display:inline-block;padding:10px 22px;text-decoration:none;border:1px solid var(--accent);background:var(--accent);color:#fff;font-size:.9375rem;font-weight:600}.button:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff}.button.secondary{background:#fff;color:var(--accent)}.button.secondary:hover{background:var(--accent-pale)}.columns{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.theme{border-top:2px solid var(--navy);padding-top:22px}.num{color:var(--accent);font-size:.9375rem;letter-spacing:.06em;display:block;margin-bottom:14px}.theme p{color:var(--muted);font-size:.95rem}.twocol{display:grid;grid-template-columns:repeat(2,1fr);gap:48px}.profile{border-top:1px solid var(--line);padding-top:22px}.profile h3{font-size:1.6rem}.role{font-size:.875rem;color:var(--muted);margin-bottom:8px}.profile p{font-size:.95rem}.facts{display:grid;grid-template-columns:150px 1fr;margin:0;border-top:1px solid var(--line)}.facts dt,.facts dd{padding:16px 0;border-bottom:1px solid var(--line);margin:0}.facts dt{color:var(--muted)}.facts dd{padding-left:24px}.reading{max-width:830px}.reading p{line-height:2}.claim{display:grid;grid-template-columns:64px 1fr;gap:28px;border-top:1px solid var(--line);padding:34px 0}.claim .num{font-size:1.6rem}.claim h2{font-size:1.5rem}.source{font-size:.875rem;color:var(--muted);margin-top:18px}.source a{margin-right:14px}.timeline{list-style:none;margin:0;padding:0}.timeline li{display:grid;grid-template-columns:150px 1fr;gap:28px;padding:26px 0;border-top:1px solid var(--line)}.timeline time{font-size:.9375rem;color:var(--muted)}.timeline h3{margin-bottom:8px}.timeline p{font-size:.95rem;margin-bottom:10px}.timeline li:last-child{border-bottom:1px solid var(--line)}.compact li{padding:18px 0}.compact h3{font-size:1.05rem}.compact p{margin-bottom:0}.partner-list{list-style:none;padding:0;margin:0}.partner-list li{padding:12px 0;border-top:1px solid var(--line)}.partner-list li:first-child{border-top:0}.numbered{padding-left:1.3em}.numbered li{margin-bottom:14px;padding-left:6px}.documents{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.document{display:block;padding:24px;border:1px solid var(--line);text-decoration:none;background:#fff}.document strong{display:block;font-size:1.1rem;color:var(--navy)}.document span{display:block;color:var(--muted);font-size:.875rem;margin-top:8px}.document:hover{border-color:var(--blue);background:var(--pale)}.note{background:var(--accent-pale);border-left:3px solid var(--accent);padding:18px 22px;margin:24px 0;font-size:.9375rem}.note p:last-child{margin:0}.review-note{margin:36px 0;border:1px solid var(--line);padding:16px 20px;font-size:.9375rem}.review-note summary{cursor:pointer;color:var(--muted);font-weight:600}.review-note ul{margin-bottom:0;padding-left:22px}.quote{border-left:3px solid var(--blue);padding:12px 0 12px 28px;margin:28px 0;font-size:1.1rem;color:var(--navy)}footer{background:var(--navy);color:#e1e8d7;margin-top:40px;padding:34px 0;font-size:.875rem}footer strong{display:block;color:white;font-size:1rem}footer .wrap{display:flex;justify-content:space-between;gap:40px}footer a{color:#e1e8d7}footer p{margin:8px 0 0}.footer-meta{text-align:right}.muted{color:var(--muted)}.page-bottom{padding-bottom:12px}.status{border:1px solid #cbd5bc;background:#fff;padding:12px 16px;font-size:.9375rem;margin:0 0 20px}.english p{max-width:850px}.english h1{letter-spacing:0}.english .lede{font-size:1.1rem;line-height:1.9}

/* 公式サイトと同じ背景画像。全ページに共通のヘッダー。 */
.material-group{margin-top:38px}.material-group>h3{font-size:1.25rem;padding-bottom:12px;border-bottom:1px solid var(--line)}.material-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.material-card{padding:26px;border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;min-width:0}.material-card h4{font-size:1.2rem;margin-bottom:12px}.material-card>p{font-size:.9375rem}.material-author{color:var(--blue);font-weight:600;margin-bottom:10px}.material-meta{color:var(--muted);font-size:.875rem!important;margin-bottom:16px}.material-card .buttons{margin-top:auto;padding-top:12px}.material-card .button{padding:9px 16px}.original-link{font-size:.875rem;margin-top:16px}.pdf-preview{margin-top:22px;border-top:1px solid var(--line);padding-top:16px}.pdf-preview summary{cursor:pointer;font-size:.9375rem;color:var(--blue)}.pdf-preview iframe{display:block;width:100%;height:620px;border:1px solid var(--line);margin-top:16px}.pdf-preview .source{margin-bottom:0}#related-materials{scroll-margin-top:20px}#material-D009{grid-column:1/-1;border-top:3px solid var(--accent)}#material-D009>p{max-width:860px}#material-D009 .buttons{margin-top:8px}
@media(max-width:800px){.material-grid{grid-template-columns:1fr}.material-card{padding:22px}.pdf-preview iframe{height:480px}}
header{background:url("official-background.jpg") center 48%/cover no-repeat;border-bottom:0}
header .wrap{padding-top:28px}
header .brand{position:relative;isolation:isolate;padding:14px 20px;margin-bottom:60px;color:var(--navy);background:transparent;text-shadow:0 1px 3px rgba(255,255,255,.45)}
header .brand::before{content:"";position:absolute;inset:-8px -12px;z-index:-1;border-radius:24px;background:rgba(255,255,255,.64);filter:blur(16px);pointer-events:none}
header .brand:hover{color:var(--navy)}
header .brand small{color:var(--ink)}
header nav{border-top:3px solid var(--accent);background:#f0f4e8;padding:0 18px}
header nav a{color:var(--navy);text-shadow:none}
header nav a:hover{color:#27321e}
header nav a[aria-current=page]{color:var(--navy);border-color:var(--accent)}

@media(max-width:800px){.wrap{width:calc(100% - 40px)}.home-hero{grid-template-columns:1fr;gap:24px;padding:36px 0}.purpose{padding:24px}.feature{grid-template-columns:1fr;gap:20px;padding:26px}.feature aside{border-left:0;border-top:1px solid #ccd6bd;padding:20px 0 0}.columns{grid-template-columns:1fr;gap:22px}.twocol{grid-template-columns:1fr;gap:24px}nav{gap:0;justify-content:space-between}nav a{font-size:.875rem;margin-right:16px}.brand{font-size:1.05rem}.section{padding:32px 0}.page-top{padding:36px 0 28px}.timeline li{grid-template-columns:110px 1fr;gap:16px}.claim{grid-template-columns:38px 1fr;gap:16px}.facts{grid-template-columns:110px 1fr}.facts dd{padding-left:16px}.documents{grid-template-columns:1fr}footer .wrap{flex-direction:column;gap:18px}.footer-meta{text-align:left}.review-strip .wrap{flex-wrap:wrap;gap:2px 14px}.section-head{align-items:flex-start;flex-wrap:wrap;gap:10px}}
@media(max-width:480px){.wrap{width:calc(100% - 32px)}.review-strip span:last-child{display:none}.brand small{letter-spacing:.06em}.brand{gap:10px}nav{justify-content:flex-start}nav a{padding:8px 0 10px}.timeline li{grid-template-columns:1fr;gap:4px}.claim{grid-template-columns:1fr;gap:6px}.claim .num{margin-bottom:2px}.facts{grid-template-columns:1fr}.facts dt{border-bottom:0;padding-bottom:0}.facts dd{padding-left:0;padding-top:4px}.feature{padding:22px}.buttons .button{width:100%;text-align:center}.lede{font-size:1rem}h2{font-size:1.4rem}.section-head h2{font-size:1.4rem}}

@media(max-width:800px){header{background-position:62% center}header .wrap{padding-top:20px}header .brand{padding:12px 14px;margin-bottom:48px}header nav{padding:4px 12px}}

/* トップページのみ団体名を大きく。画像を暗くせず、赤茶をアクセントに使う。 */
.site-home header .brand{font-size:clamp(1.6rem,3.3vw,2.75rem);line-height:1.45;padding:18px 24px;margin-bottom:48px;max-width:100%}
.site-home header .brand small{font-size:.875rem;letter-spacing:.12em;margin-top:8px}
@media(max-width:800px){.site-home header .brand{padding:16px 18px;margin-bottom:36px}.site-home header .brand small{font-size:.75rem;letter-spacing:.07em}}

.brand-part{white-space:nowrap}

footer a:hover{color:#fff}

/* ごあいさつの全文は、見出しと閉じるボタンを残して読む。 */
.greeting-open{overflow:hidden}
.greeting-dialog{width:min(860px,calc(100% - 40px));max-height:calc(100dvh - 48px);padding:0;border:1px solid var(--line);border-radius:8px;color:var(--ink);background:var(--white);box-shadow:0 20px 70px rgba(39,50,30,.2)}
.greeting-dialog::backdrop{background:rgba(39,50,30,.42)}
.greeting-dialog[open]{display:flex;flex-direction:column}
.greeting-dialog-header{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:24px 32px;border-bottom:1px solid var(--line);flex-shrink:0}
.greeting-dialog-header h2{font-size:1.4rem;margin:0}
.greeting-dialog-header form{margin:0;flex-shrink:0}
.greeting-close{font:inherit;font-size:.9375rem;font-weight:600;cursor:pointer;color:var(--accent);background:var(--white);border:1px solid var(--accent);border-radius:4px;padding:6px 16px;min-height:44px}
.greeting-close:hover{background:var(--accent-pale)}
.greeting-dialog-body{padding:28px 32px;overflow-y:auto;min-height:0;overscroll-behavior:contain}
.greeting-original p{line-height:2}
.greeting-original p:last-child{margin-bottom:0}
@media(max-width:480px){.greeting-dialog{width:calc(100% - 24px);max-height:calc(100dvh - 24px)}.greeting-dialog-header{padding:16px;gap:12px;align-items:flex-start}.greeting-dialog-header h2{font-size:1.15rem}.greeting-dialog-body{padding:20px}.greeting-close{padding:6px 12px}}

@media(max-width:480px){.home-hero h1{font-size:clamp(1.45rem,7vw,1.85rem)}}