:root{--bg:#f4f5f1;--ink:#213b31;--muted:#627168;--green:#244c3e;--line:#dbe2d9;--soft:#eaf0e6}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.7 -apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif}button,input,textarea{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #83a875;outline-offset:4px}header{height:88px;max-width:1200px;margin:auto;padding:0 40px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{color:var(--ink);text-decoration:none;font-size:18px;font-weight:700;display:flex;gap:12px;align-items:center}.brand-icon{font-size:23px;background:var(--green);color:white;border-radius:11px;width:38px;height:38px;text-align:center}.quiet{border:0;background:transparent;color:var(--muted);padding:10px 14px;border-radius:8px}.quiet:hover{background:var(--soft)}main{max-width:1200px;padding:0 40px 160px;margin:auto}.intro{padding:64px 0 48px;display:flex;justify-content:space-between;gap:30px;align-items:center}.eyebrow{font-size:12px;letter-spacing:.12em;color:#617c55;margin:0 0 14px}h1{font-size:40px;letter-spacing:-.04em;line-height:1.4;margin:0 0 18px}.lead{color:var(--muted);margin:0;line-height:1.9}.how{display:grid;gap:12px;font-size:13px;border-left:1px solid #cad6c7;padding:8px 0 8px 32px;white-space:nowrap}.mobile{display:none}nav{display:flex;gap:8px;padding:7px;background:#e7ebe2;border-radius:14px}nav button{flex:1;min-height:52px;border:0;border-radius:10px;background:transparent;color:#586a5d;font-weight:600}nav button[aria-current="page"]{background:white;color:var(--green);box-shadow:0 3px 8px #24392c09}nav small{margin-left:8px;font-weight:400;color:#79877a}.toolbar{margin:38px 0 24px;display:flex;justify-content:space-between;align-items:center;gap:20px}h2{font-size:20px;margin:0}.muted{color:var(--muted);font-size:12px;margin:4px 0 0}.search{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px}.search input{width:220px;border:1px solid var(--line);background:white;border-radius:10px;padding:11px 13px;font-size:14px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.card{background:white;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}.card.selected{border-color:#588849;box-shadow:0 0 0 1px #588849}.visual{width:100%;aspect-ratio:16/9;background:#eaf0e5;display:grid;place-items:center;padding:25px;text-align:center;color:var(--green);font-size:24px;font-weight:700;white-space:pre-line;position:relative}.visual img{position:absolute;width:100%;height:100%;object-fit:contain;inset:0}.card-body{padding:24px;display:flex;flex-direction:column;flex:1}.number{font-size:12px;color:#637d59;letter-spacing:.08em}.card h3{font-size:19px;line-height:1.6;margin:10px 0}.summary{font-size:13px;color:var(--muted);margin:0 0 24px;line-height:1.9}.actions{display:flex;justify-content:space-between;gap:10px;margin-top:auto;align-items:center}.select{border:1px solid var(--line);border-radius:8px;background:white;color:var(--green);padding:8px 18px}.select[aria-pressed="true"]{background:var(--soft);border-color:#a0b69a}.read{padding-left:0;color:var(--green)}.empty{grid-column:1/-1;border:1px dashed #c5d1c0;border-radius:18px;padding:58px 24px;text-align:center;background:#fafbf8}.empty-icon{width:62px;height:62px;border-radius:16px;background:#eaf0e5;margin:0 auto 20px;display:grid;place-items:center;font-size:29px;color:#789268}.empty h3{font-size:18px;margin:0 0 10px}.empty p{color:var(--muted);font-size:14px;margin:0;line-height:1.9}.help{margin-top:40px;display:flex;gap:16px;align-items:flex-start;border-top:1px solid var(--line);padding-top:26px}.help-mark{background:#e4ebdd;color:#5b7650;border-radius:50%;width:25px;height:25px;text-align:center;flex-shrink:0}.help h2{font-size:13px}.help p{color:var(--muted);font-size:12px;margin:5px 0;line-height:1.8}.selection{position:fixed;bottom:0;left:0;right:0;z-index:10;background:#fffefbf5;backdrop-filter:blur(12px);border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px max(32px,calc((100vw - 1120px)/2));box-shadow:0 -6px 24px #23423405}.selection span{font-size:14px;font-weight:700}.selection p{font-size:12px;color:var(--muted);margin:4px 0 0;max-width:700px}.selection-actions{display:flex;gap:8px;flex-shrink:0}.primary{border:0;border-radius:10px;color:white;background:var(--green);padding:13px 24px;font-weight:600}.primary:hover{background:#315e4c}dialog{border:1px solid var(--line);border-radius:20px;max-width:740px;width:calc(100% - 32px);max-height:88svh;padding:28px;color:var(--ink)}dialog::backdrop{background:#152e2466;backdrop-filter:blur(3px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin-bottom:15px}.dialog-foot{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}dialog h2{font-size:25px;margin:20px 0}dialog h3{font-size:14px;margin:24px 0 10px}dialog p,dialog li{font-size:14px;white-space:pre-wrap;line-height:1.9;color:var(--muted)}dialog a{color:var(--green);overflow-wrap:anywhere}dialog textarea{width:100%;border:1px solid var(--line);padding:12px;border-radius:10px}.toast{position:fixed;z-index:30;left:50%;bottom:122px;transform:translateX(-50%);background:var(--ink);color:white;border-radius:10px;padding:12px 20px;max-width:90vw;display:none;font-size:13px}.toast.visible{display:block}#error{background:#fff0ed;color:#943d2d;padding:20px;border-radius:12px}@media(max-width:900px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.how{display:none}.intro{padding-top:44px}h1{font-size:34px}}@media(max-width:560px){header{height:72px;padding:0 20px}main{padding:0 20px 180px}.intro{padding:36px 0 28px}h1{font-size:32px}.mobile{display:block}.lead{font-size:13px}.cards{grid-template-columns:1fr;gap:18px}nav{gap:3px;padding:5px}nav button{font-size:12px;min-height:48px;padding:5px 2px}nav small{display:none}.toolbar{align-items:flex-start;flex-direction:column;gap:14px;margin-top:26px}.search{width:100%}.search input{width:100%}.selection{padding:14px 20px calc(14px + env(safe-area-inset-bottom));flex-wrap:wrap;gap:8px}.selection>div:first-child{width:100%}.selection p{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.selection-actions{width:100%;justify-content:flex-end}.selection-actions .primary{flex:1}.empty{padding:44px 18px}.help{margin-top:26px}dialog{padding:20px}.toast{bottom:155px}.card-body{padding:20px}}

.search span{white-space:nowrap;flex-shrink:0}

/* 企画と情報共有を同じチャンネル内で切り替える */
[hidden]{display:none!important}
.intro{padding:48px 0 36px}
.home-link{color:var(--green);text-decoration:none;font-size:13px;white-space:nowrap;border-bottom:1px solid #bdcbbb;padding-bottom:4px}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:40px 0 22px}
.section-heading .eyebrow{margin-bottom:6px}
.overview-channel{background:white;border:1px solid var(--line);border-radius:18px;padding:24px 28px;margin-bottom:22px}
.overview-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:1px solid var(--line);padding-bottom:14px}
.overview-heading h3{font-size:20px;margin:0}
.overview-heading button{font-size:12px}
.overview-columns{display:grid;grid-template-columns:1fr 1fr}
.overview-column{padding:24px 24px 0 0;min-width:0}
.overview-column+ .overview-column{border-left:1px solid var(--line);padding:24px 0 0 26px;margin-left:8px}
.overview-subhead{display:flex;gap:10px;align-items:center;margin-bottom:16px}
.overview-subhead h4{margin:0;font-size:13px;color:#4b6355}
.overview-subhead .muted{margin:0;background:#f0f3eb;padding:1px 9px;border-radius:12px}
.overview-empty{font-size:13px;color:var(--muted);margin:18px 0 20px;line-height:1.8}
.latest-item{width:100%;text-align:left;background:#f7f8f4;border:1px solid transparent;border-radius:12px;padding:17px;display:flex;flex-direction:column;gap:8px;color:var(--ink);margin-bottom:10px}
.latest-item:hover{border-color:#abc09e;background:#f0f4e9}
.latest-item strong{font-size:16px;line-height:1.7}
.latest-summary{font-size:12px;color:var(--muted);display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
.channel-heading{margin:36px 0 24px}
.channel-heading h2{font-size:24px}
.section-tabs{display:flex;gap:28px;border-bottom:1px solid var(--line)}
.section-tabs button{border:0;background:transparent;padding:14px 3px;font-size:15px;color:var(--muted);border-bottom:3px solid transparent;margin-bottom:-1px}
.section-tabs button[aria-selected="true"]{color:var(--green);font-weight:700;border-color:var(--green)}
.section-tabs span{font-size:11px;border-radius:12px;background:#e7ebe2;padding:2px 8px;margin-left:7px;font-weight:400}
#list-title{font-size:17px}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:-2px 0 24px}
.filter{border:1px solid var(--line);border-radius:24px;background:transparent;color:var(--muted);font-size:12px;padding:7px 16px}
.filter[aria-pressed="true"]{background:var(--green);color:white;border-color:var(--green)}
.info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.info-card{display:flex;flex-direction:column;background:white;border:1px solid var(--line);border-radius:16px;padding:26px}
.info-meta{display:flex;gap:14px;align-items:center;justify-content:space-between}
.kind{display:inline-block;padding:3px 10px;border-radius:5px;background:#eaf0e6;color:#46643d;font-size:11px}
.kind.reference{background:#f4eddc;color:#856923}
.kind.material{background:#e9eff3;color:#446e86}
.info-meta time{font-size:12px;color:var(--muted)}
.info-card h3{font-size:20px;line-height:1.65;margin:18px 0 10px;overflow-wrap:anywhere}
.period{font-size:12px!important;color:#728074!important;margin:0 0 14px!important}
.info-card .summary{margin-bottom:18px}
.info-card .read{margin-top:auto;align-self:flex-start;font-size:13px}
.report-section{border-top:1px solid var(--line);padding-top:18px;margin-top:24px}
.report-section h3{font-size:15px;margin:0 0 15px;color:var(--ink)}
.report-section p{margin:0}
.report-section ul{padding-left:20px;margin:0}
.report-section li+li{margin-top:10px}
.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.metric{background:#f3f6ee;border:1px solid #e0e7d9;border-radius:12px;padding:17px;display:flex;flex-direction:column;gap:8px;overflow-wrap:anywhere}
.metric span{font-size:12px;color:var(--muted)}
.metric strong{font-size:24px;line-height:1.3;letter-spacing:-.03em}
.metric small{font-size:11px;color:var(--muted)}
.chart{margin:24px 0 0;background:#fafbf8;border-radius:12px;padding:18px}
.chart figcaption{font-size:13px;font-weight:600;margin-bottom:16px}
.chart table{width:100%;border-collapse:collapse;font-size:12px;table-layout:fixed}
.chart caption{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden}
.chart th{width:24%;font-weight:400;text-align:left;overflow-wrap:anywhere;padding:8px 10px 8px 0}
.chart td:last-child{width:25%;text-align:right;padding-left:10px;overflow-wrap:anywhere}
.bar-cell{padding:7px 0}
.bar{display:block;height:15px;border-radius:3px;background:#78966a}
.resource-link{display:block;padding:13px 15px;border:1px solid var(--line);border-radius:9px;text-decoration:none;font-size:13px;margin-top:10px;background:#fafbf8}
.resource-link:hover{background:var(--soft)}
#detail-title{overflow-wrap:anywhere}
@media(max-width:560px){
.intro{padding:30px 0 25px;align-items:flex-start}.home-link{font-size:11px;margin-top:3px}.intro h1{font-size:29px}.intro .lead{max-width:250px}
.section-heading{margin:30px 0 18px;display:block}.section-heading .muted{margin-top:9px}
.overview-channel{padding:18px;margin-bottom:16px}.overview-heading h3{font-size:18px}.overview-heading .quiet{padding:5px 0;font-size:11px}
.overview-columns{grid-template-columns:1fr}.overview-column{padding:18px 0 0}.overview-column+.overview-column{border-left:0;border-top:1px solid var(--line);margin:16px 0 0;padding:18px 0 0}
.overview-empty{margin:12px 0;font-size:12px}.overview-subhead{margin-bottom:12px}
.channel-heading{margin:28px 0 20px}.channel-heading h2{font-size:22px}.section-tabs{gap:24px}.section-tabs button{font-size:14px}
.info-grid{grid-template-columns:1fr}.info-card{padding:22px}.info-card h3{font-size:19px}
.filters{gap:6px}.filter{padding:6px 12px;font-size:11px}
.metrics{grid-template-columns:1fr 1fr}.metric{padding:13px}.metric strong{font-size:20px}
.chart{padding:13px}.chart th{width:27%}.chart td:last-child{width:29%}
}

.dialog-head .quiet{white-space:nowrap;flex-shrink:0}

/* 本人訂正: 紹介コピーと装飾を外し、一覧と操作を優先する。 */
header{height:58px;max-width:1100px;padding:0 24px}.brand{font-size:15px}main{max-width:1100px;padding:20px 24px 110px}.section-heading{margin:22px 0 14px}.section-heading h2{font-size:15px;font-weight:500}.overview-channel{padding:16px 20px;margin-bottom:14px;border-radius:8px}.overview-heading{padding-bottom:10px}.overview-heading h3{font-size:16px}.overview-column{padding-top:14px}.overview-column+.overview-column{padding-top:14px}.overview-subhead{margin-bottom:8px}.overview-empty{margin:8px 0;font-size:12px}.overview-column>.read{font-size:12px;padding-top:6px;padding-bottom:4px}.channel-heading{margin:20px 0 8px}.channel-heading h2{font-size:17px}.toolbar{margin:18px 0}.empty{padding:24px 12px;border:0;border-radius:0;background:transparent;text-align:left}.empty p{font-size:13px}.section-tabs button{padding-top:10px;padding-bottom:10px}nav{border-radius:7px;padding:4px}nav button{min-height:42px;border-radius:4px}.selection{padding-top:12px;padding-bottom:12px}.latest-item{padding:12px;border-radius:6px}
@media(max-width:560px){header{height:52px;padding:0 16px}main{padding:16px 16px 100px}.overview-channel{padding:14px}.overview-heading h3{font-size:15px}.overview-columns{grid-template-columns:1fr 1fr}.overview-column{padding:12px 12px 0 0}.overview-column+.overview-column{border-top:0;border-left:1px solid var(--line);padding:12px 0 0 12px;margin:0}.overview-subhead{gap:5px}.overview-subhead h4{font-size:11px}.overview-subhead .muted{padding:0 5px;font-size:10px}.overview-empty{font-size:12px}.channel-heading{margin:18px 0 8px}.toolbar{margin:16px 0}.section-heading{margin:20px 0 12px}.selection{padding:10px 16px calc(10px + env(safe-area-inset-bottom))}.latest-item strong{font-size:13px}.latest-summary{font-size:11px}}

/* 固定番号とタイトルを一覧にし、個別URLでは企画本文を直接表示する。 */
.proposal-list{display:flex;flex-direction:column;gap:0;min-width:0}
.proposal-row{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);background:white;min-width:0;padding:8px 0}
.proposal-link{display:flex;align-items:baseline;gap:14px;flex:1;min-width:0;padding:9px 10px;color:var(--ink);text-decoration:none;line-height:1.65}
.proposal-link:hover{background:var(--soft)}.proposal-link .number{flex-shrink:0;min-width:28px}.proposal-title{font-size:14px;overflow-wrap:anywhere}
.proposal-row .select{flex-shrink:0;font-size:12px;padding:6px 12px;margin-right:10px}.proposal-row.selected{background:#f0f5ed}
.overview-columns{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}
.overview-column .proposal-row{padding:2px 0}.overview-column .proposal-link{padding:8px 0;gap:10px}.overview-column .proposal-title{font-size:13px}
#detail.proposal-page{position:static;max-width:1052px;width:calc(100% - 48px);max-height:none;margin:22px auto 80px;border-radius:8px;padding:28px;background:white;overflow:visible}
.proposal-page #detail-title{font-size:24px;margin:18px 0 24px;line-height:1.6}.proposal-page .dialog-head{border-bottom:1px solid var(--line);padding-bottom:12px}.proposal-page .dialog-foot{border-top:1px solid var(--line);padding-top:20px}
.thumbnail-choices{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}.thumbnail-choices:has(>:nth-child(3)){grid-template-columns:repeat(3,minmax(0,1fr))}.thumbnail-choices:has(>:nth-child(4)){grid-template-columns:repeat(2,minmax(0,1fr))}.thumbnail-choice{background:#f4f6f0;border:1px solid var(--line);border-radius:7px;padding:18px}.thumbnail-choice h3{font-size:12px;margin:0 0 10px;color:var(--muted)}.thumbnail-choice p{font-size:22px;font-weight:650;color:var(--ink);margin:0;line-height:1.6;overflow-wrap:anywhere}
@media(max-width:560px){.overview-columns{grid-template-columns:1fr}.overview-column{padding:12px 0 0}.overview-column+.overview-column{border-left:0;border-top:1px solid var(--line);padding:12px 0 0;margin-top:12px}.proposal-link{gap:8px;padding:8px 4px}.proposal-title{font-size:13px}.proposal-row{gap:6px}.proposal-row .select{margin-right:4px;padding:6px 8px}#detail.proposal-page{width:calc(100% - 32px);padding:18px;margin:16px auto 50px}.proposal-page #detail-title{font-size:20px}.thumbnail-choices,.thumbnail-choices:has(>:nth-child(3)),.thumbnail-choices:has(>:nth-child(4)){grid-template-columns:1fr;gap:12px}.thumbnail-choice{padding:16px}.thumbnail-choice p{font-size:21px}}

/* 参考動画: サムネ・タイトル・リンク・台本構成（2026-09-24） */
.ref-wrap{margin-top:8px}
.ref-video{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;align-items:start}
.ref-thumb{display:block;background:#000;border-radius:7px;overflow:hidden;aspect-ratio:16/9}
.ref-thumb img{width:100%;height:100%;object-fit:contain;display:block}
.ref-info{display:flex;flex-direction:column;gap:6px;min-width:0}
dialog .ref-info p{margin:0;line-height:1.6}
.ref-sm{font-weight:700;color:var(--ink)!important}
.ref-title{font-size:17px;line-height:1.55;margin:2px 0 0}
.ref-orig,.ref-raw{font-size:12px!important;overflow-wrap:anywhere}
.ref-meta{font-size:13px!important;color:var(--ink)!important}
.ref-ch{font-size:13px!important}
.ref-info .resource-link{text-align:center;margin-top:8px}
.ref-structure{margin-top:22px;background:#f7f8f4;border-radius:8px;padding:18px 20px}
.ref-structure h4{margin:0 0 12px;font-size:14px}
.ref-structure ol{list-style:none;margin:0;padding:0}
.ref-structure li{display:flex;gap:14px;padding:10px 0;border-top:1px solid var(--line)}
.ref-structure li:first-child{border-top:0}
.ref-time{flex-shrink:0;min-width:44px;font-size:12px;color:#637d59;font-variant-numeric:tabular-nums;padding-top:3px}
.ref-structure strong{display:block;font-size:14px;margin-bottom:2px}
dialog .ref-structure p{margin:0;font-size:13px;line-height:1.8}
.ref-note{font-size:13px!important;margin:14px 0 0!important}
@media(max-width:700px){.ref-video{grid-template-columns:1fr}.ref-structure{padding:14px}}

/* チャンネル正式名をメイン、呼び名を小さく（2026-09-24） */
.ch-label{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-top:1px}
nav button{display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.35;padding:6px 4px}
nav button .ch-name{font-weight:700;overflow-wrap:anywhere}
nav button small.ch-label{margin-left:0;display:block;color:#79877a}
#channel-title .ch-name{font-size:inherit}
.overview-heading h3 .ch-label{margin-top:2px}
@media(max-width:560px){nav button .ch-name{font-size:11px}nav button small.ch-label{display:block!important;font-size:10px}}

.title-options{background:#fff;border:1px solid var(--line);border-radius:7px;padding:14px 18px;margin:0 0 16px}.title-options h3{font-size:12px;margin:0 0 6px;color:var(--muted)}.title-options ol{margin:0;padding-left:1.4em}.title-options li{font-size:16px;font-weight:650;color:var(--ink);line-height:1.7;margin:4px 0;overflow-wrap:anywhere}