:root { --paper:#faf9f5; --ink:#14140f; --ink-soft:#4a4a42; --line:#d9d7cd; --moss:#0ca568; --mint:#1de394; --card:#f2f1ea; }
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
html, body { background:var(--paper); }
body { color:var(--ink); font-family:"Helvetica Neue","Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP",Arial,sans-serif; font-feature-settings:"palt"; line-height:1.9; -webkit-font-smoothing:antialiased; overflow-wrap:anywhere; position:relative; overflow-x:hidden; }
a { color:inherit; text-decoration:none; }
img { display:block; max-width:100%; height:auto; }
.decowrap { position:absolute; top:0; left:0; right:0; height:640px; overflow:hidden; pointer-events:none; z-index:0; }
.deco { position:absolute; top:-230px; right:-190px; width:360px; height:360px; }
.wrap { position:relative; z-index:1; max-width:960px; margin:0 auto; padding:0 16px; }
.top { display:flex; justify-content:space-between; align-items:flex-start; gap:16px; padding-top:22px; }
.top .brand { font-size:14px; font-weight:700; letter-spacing:.12em; line-height:1.6; }
.top .brand span { display:block; font-size:10px; font-weight:400; letter-spacing:.16em; color:var(--ink-soft); }
.top .nav { font-size:12px; letter-spacing:.1em; color:var(--ink-soft); border-bottom:1px solid var(--line); line-height:1.6; white-space:nowrap; }
.top .nav:hover { color:var(--ink); border-color:var(--ink); }
.head { text-align:right; padding-top:72px; }
.label { display:inline-block; font-size:13px; font-weight:800; letter-spacing:.2em; color:var(--ink); background:var(--mint); padding:2px 12px; }
h1 { margin-top:14px; font-size:clamp(38px,10.5vw,84px); font-weight:800; line-height:1.12; letter-spacing:.01em; }
.en { margin-top:12px; font-size:12.5px; letter-spacing:.14em; color:var(--ink-soft); text-transform:uppercase; }
.catch { margin-top:26px; font-size:clamp(19px,5.2vw,28px); font-weight:700; line-height:1.6; }
.by { margin-top:12px; font-size:14px; color:var(--moss); font-weight:600; letter-spacing:.04em; }
figure.photo { margin:56px -16px 0; }
figure.photo img { width:100%; height:auto; }
figure.photo figcaption { font-size:12px; letter-spacing:.08em; color:var(--ink-soft); margin-top:10px; padding:0 16px; text-align:right; }
section.blk { margin-top:64px; }
h2 { font-size:15px; letter-spacing:.16em; font-weight:700; padding-bottom:10px; border-bottom:2px solid var(--ink); margin-bottom:18px; display:flex; align-items:center; gap:12px; line-height:1.6; }
h2::before { content:""; flex:none; width:14px; height:14px; border-radius:50%; border:2px dashed var(--mint); }
p.lead { font-size:16.5px; line-height:2; }
.tsub { font-size:15px; font-weight:700; margin:-4px 0 12px; }
ul.tl { list-style:none; border-top:1px solid var(--line); }
ul.tl li { display:grid; grid-template-columns:1fr; gap:2px; padding:12px 2px; border-bottom:1px solid var(--line); font-size:15px; line-height:1.75; }
ul.tl .y { font-weight:700; color:var(--moss); font-size:14px; letter-spacing:.04em; }
ul.tl .it { display:block; position:relative; padding-left:16px; margin-bottom:4px; }
ul.tl .it::before { content:""; position:absolute; left:2px; top:.8em; width:6px; height:6px; border-radius:50%; background:var(--mint); }
ul.next { list-style:none; }
ul.next li { font-size:15.5px; line-height:1.75; padding:6px 0 6px 24px; position:relative; }
ul.next li::before { content:""; position:absolute; left:2px; top:.95em; width:11px; height:11px; border-radius:50%; background:var(--mint); }
.tbl-wrap { display:grid; grid-template-columns:1fr; gap:0; }
table { width:100%; border-collapse:collapse; font-size:14.5px; line-height:1.6; }
th, td { text-align:left; vertical-align:top; padding:8px 8px; border-bottom:1px solid var(--line); }
th { font-size:12.5px; color:var(--ink-soft); font-weight:600; letter-spacing:.06em; }
td.n { width:2.4em; font-weight:700; color:var(--moss); }
td.d { width:6.4em; white-space:nowrap; color:var(--ink-soft); }
tr.done td { opacity:.5; }
.book { display:grid; grid-template-columns:104px 1fr; gap:18px; align-items:center; margin-top:28px; }
.book img { width:104px; box-shadow:0 4px 14px rgba(0,0,0,.22); }
.book .bt { font-size:15.5px; font-weight:700; line-height:1.7; }
.quotes .src { font-size:13px; color:var(--ink-soft); margin-bottom:12px; line-height:1.7; }
.quotes blockquote { font-size:15.5px; line-height:1.85; padding:4px 0 4px 16px; border-left:4px solid var(--mint); margin-bottom:12px; }
.btn { display:block; text-align:center; background:var(--mint); color:var(--ink); font-size:17px; font-weight:800; letter-spacing:.08em; padding:15px 20px; border-radius:999px; line-height:1.5; }
.btn::after { content:"  →"; }
.btn:hover { opacity:.88; }
.entry { margin-top:20px; }
/* 募集中バナー（パネルの .recruit と同じ：ミント地に太字で大きく） */
.recruit { background:var(--mint); color:var(--ink); padding:22px 20px 20px; border-radius:4px; }
.recruit .rt { font-size:clamp(26px,7.2vw,42px); font-weight:900; letter-spacing:.02em; line-height:1.3; }
.recruit .rt span { display:inline-block; margin-right:.35em; }
.recruit .rn { font-size:clamp(15px,4.2vw,18px); font-weight:700; margin-top:8px; line-height:1.6; }
.recruit-blk h2 { margin-top:28px; }
ul.next.rec li { font-size:16px; font-weight:600; }
.recruit-blk .entry { margin-top:22px; }
.cards { display:grid; grid-template-columns:1fr; gap:12px; }
.card { display:block; padding:16px 18px; border:1px solid var(--line); background:#fff; }
.card:hover { border-color:var(--moss); }
.card b { display:block; font-size:16px; line-height:1.6; }
.card span { display:block; font-size:12.5px; color:var(--moss); margin-top:2px; letter-spacing:.04em; }
.card span::after { content:" →"; }
.join { margin-top:80px; background:var(--ink); color:#fff; padding:28px 22px 30px; }
.join .tag { display:inline-block; font-size:12px; font-weight:800; letter-spacing:.2em; color:var(--ink); background:var(--mint); padding:2px 10px; }
.join .msg { margin-top:16px; font-size:clamp(18px,4.8vw,23px); font-weight:700; line-height:1.6; }
.join .sub { margin-top:10px; font-size:14.5px; line-height:1.85; color:rgba(255,255,255,.82); }
.join .btn { margin-top:24px; }
.join .alt { display:inline-block; margin-top:16px; font-size:14px; color:var(--mint); border-bottom:1px solid var(--mint); line-height:1.5; }
.join .sub2 { margin-top:26px; font-size:14.5px; line-height:1.85; color:rgba(255,255,255,.82); }
.join .btn.sec { margin-top:14px; background:transparent; color:#fff; border:2px solid var(--mint); padding:13px 20px; }
.join .contact { margin-top:26px; padding-top:18px; border-top:1px solid rgba(255,255,255,.22); font-size:14.5px; line-height:1.85; color:rgba(255,255,255,.82); }
.join .contact a { color:var(--mint); border-bottom:1px solid var(--mint); white-space:nowrap; }
.others { margin-top:72px; }
.others .k { font-size:12px; letter-spacing:.2em; color:var(--ink-soft); margin-bottom:10px; }
.chips { display:flex; flex-wrap:wrap; gap:8px; }
.chips a { font-size:13px; padding:5px 14px; border:1.4px dashed var(--mint); border-radius:999px; line-height:1.6; }
.chips a:hover { background:var(--mint); }
.foot { margin-top:80px; padding:22px 0 30px; border-top:1px solid var(--line); font-size:12px; color:var(--ink-soft); letter-spacing:.06em; display:flex; flex-wrap:wrap; justify-content:space-between; gap:8px 24px; }
/* index */
.axis { margin-top:48px; }
.axis .k { font-size:12px; letter-spacing:.2em; color:var(--moss); font-weight:700; }
.axis .t { font-size:clamp(20px,5vw,26px); font-weight:800; margin-top:4px; line-height:1.5; }
.axis .d { font-size:14.5px; color:var(--ink-soft); margin-top:4px; }
.axis .chips { margin-top:12px; }
.pj-grid { display:grid; grid-template-columns:1fr; gap:1px; background:var(--line); border:1px solid var(--line); margin-top:44px; }
.pj { display:block; background:var(--paper); padding:24px 20px 26px; }
.pj:hover { background:#fff; }
.pj .no { font-size:12px; letter-spacing:.14em; color:var(--ink-soft); }
.pj h3 { font-size:22px; font-weight:800; line-height:1.4; margin-top:8px; }
.pj .c { font-size:14.5px; line-height:1.8; margin-top:10px; }
.pj .b { font-size:13px; color:var(--moss); font-weight:600; margin-top:8px; }
.pj .more { display:inline-block; margin-top:14px; font-size:13px; font-weight:700; border-bottom:1.5px solid var(--mint); }
.pj .more::after { content:" →"; }
.forestbar { display:block; margin-top:48px; padding:20px; text-align:center; border:2px dashed var(--mint); font-size:15.5px; font-weight:700; line-height:1.7; }
.forestbar span { display:block; font-size:12.5px; font-weight:700; color:var(--moss); margin-top:6px; }
.forestbar span::after { content:" →"; }
.forestbar:hover { background:#fff; }
@media (min-width:720px) {
  .wrap { padding:0 32px; }
  .deco { top:-330px; right:-200px; width:500px; height:500px; }
  .head { padding-top:140px; }
  figure.photo { margin:72px 0 0; }
  figure.photo figcaption { padding:0; }
  section.blk { margin-top:80px; }
  p.lead { font-size:17px; }
  ul.tl li { grid-template-columns:8.5em 1fr; gap:16px; }
  .tbl-wrap.two { grid-template-columns:1fr 1fr; gap:28px; }
  .book { grid-template-columns:150px 1fr; gap:26px; }
  .book img { width:150px; }
  .cards { grid-template-columns:1fr 1fr; }
  .join { padding:44px 48px 48px; }
  .btn { display:inline-block; min-width:340px; }
  .recruit { padding:30px 34px 28px; }
  .pj-grid { grid-template-columns:1fr 1fr; }
  .pj { padding:32px 30px 34px; }
}
/* hard-problem: AIまとめリンク・エントリー注記 */
.ailink { margin-top:18px; font-size:15px; line-height:1.7; }
.ailink a { font-weight:800; border-bottom:2px solid var(--mint); }
.ailink a::after { content:" →"; }
.ailink a:hover { background:var(--mint); }
.ailink span { display:inline-block; margin-left:10px; font-size:13px; color:var(--ink-soft); }
.entry-note { margin-top:16px; padding:16px 18px; background:var(--card); border-left:4px solid var(--mint); font-size:14.5px; line-height:1.85; }
.entry-note p + p { margin-top:8px; }
ul.next.after-entry { margin-top:22px; }
/* report（AIまとめページ） */
.rmeta { margin-top:30px; display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:10px 24px; text-align:left; border-top:1px solid var(--line); padding-top:16px; font-size:14px; line-height:1.6; }
.rmeta dt { font-size:11px; letter-spacing:.14em; color:var(--ink-soft); }
.rmeta dd { font-weight:700; }
.rnote { margin-top:40px; padding:14px 18px; background:var(--card); border-left:4px solid var(--mint); font-size:14px; line-height:1.85; }
.report p { font-size:16px; line-height:2; margin-top:14px; }
.report p.lead { font-size:16.5px; }
.report h3 { font-size:17px; font-weight:800; line-height:1.6; margin-top:44px; padding-left:14px; border-left:4px solid var(--mint); }
.report ul.dots { list-style:none; margin-top:14px; }
.report ul.dots li { font-size:15.5px; line-height:1.9; padding:6px 0 6px 22px; position:relative; }
.report ul.dots li::before { content:""; position:absolute; left:2px; top:1em; width:9px; height:9px; border-radius:50%; background:var(--mint); }
.report figure { margin:26px 0 28px; }
.report figure img { width:100%; border:1px solid var(--line); }
.report figcaption { font-size:12.5px; color:var(--ink-soft); margin-top:8px; line-height:1.7; }
.report .qa { margin:20px 0; padding:14px 18px; background:#fff; border:1px solid var(--line); border-left:4px solid var(--moss); }
.report .qa p { margin-top:0; font-size:15px; line-height:1.85; }
.report .qa p.q { font-weight:700; }
.report .qa p.a { margin-top:8px; font-size:14.5px; }
.report .nextbox { margin-top:28px; padding:16px 18px; border:2px dashed var(--mint); font-size:14.5px; line-height:1.9; }
.report .rfoot { margin-top:40px; font-size:13px; color:var(--ink-soft); line-height:1.85; }
.backlink { display:inline-block; margin-top:28px; font-size:14px; font-weight:700; border-bottom:2px solid var(--mint); }