/* plax labo（練習の記事）。scripts/labo-build.py が作るページの見た目（2026-10-08・ユーザー指示「LPと同じくらいデザイン凝って」）
   LP（public/lp/style.css）と同じ部品：方眼の地・青いインク・ふい字の手書き見出し（SVG）・Unbounded の英字・アプリのカード */
:root{--blue:#087bfa;--blue-d:#0063d1;--ink:#101d28;--ink-2:#33414d;--muted:#5d6975;--pale:#edf7ff;--line:#e4eaf0;
  --grid:linear-gradient(to right,rgba(45,121,179,.075) 1px,transparent 1px),linear-gradient(to bottom,rgba(45,121,179,.075) 1px,transparent 1px);--sq:28px;
  --sans:"DM Sans","Noto Sans JP",sans-serif;--uni:Unbounded,"Noto Sans JP",sans-serif;
  --sh:0 1px 0 rgba(16,29,40,.04),0 22px 44px -22px rgba(16,29,40,.28);--sh-s:0 1px 0 rgba(16,29,40,.04),0 10px 24px -14px rgba(16,29,40,.22);
  --c:var(--blue);--c-pale:#eaf4ff;--hue:0deg}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{margin:0;font-family:var(--sans);color:var(--ink);background-color:#fff;background-image:var(--grid);background-size:var(--sq) var(--sq);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;overflow-x:clip;line-height:1.85;font-size:16px}
img{max-width:100%}
a{color:inherit}
button{font:inherit}
.vh{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}
.uni{font-family:var(--uni);font-weight:800;letter-spacing:-.01em;text-transform:lowercase}
@media(max-width:720px){:root{--sq:22px}body{font-size:15px}}

/* ===== 手書きの見出し（ふい字の SVG）===== */
.hh{display:block;height:calc(var(--hh-lines) * 1.6em);width:auto;max-width:100%;object-fit:contain;object-position:left center}
/* 2026-10-08：見出しは文字で（ユーザー指示「タイトル手書きじゃないほうがいいな」）。2行目は青＋うすい下線 */
.ht{display:block;font-weight:900;letter-spacing:.01em;line-height:1.38}
.ht .blue{color:var(--blue);background:linear-gradient(transparent 68%,rgba(8,123,250,.14) 68%);padding:0 .06em}
.ah h1 .ht{line-height:1.3}
.cover-t{position:absolute;left:6.5%;bottom:9%;z-index:2;max-width:80%;font-weight:900;font-size:clamp(19px,1.9vw,26px);line-height:1.32;letter-spacing:.01em;color:var(--ink)}
.cover-t .blue{color:var(--c);background:linear-gradient(transparent 66%,rgba(255,255,255,.85) 66%)}

/* ===== 上の帯 ===== */
.lb-hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid rgba(228,234,240,.8)}
.lb-hd-in{max-width:1280px;margin:auto;height:72px;padding:0 5%;display:flex;align-items:center;gap:22px}
.lb-logo{display:flex;align-items:center;gap:8px;text-decoration:none}
.brand-logo{display:block;position:relative;width:92px;height:41px;overflow:hidden}
.brand-logo img{position:absolute;width:123%;max-width:none;height:auto;left:-12%;top:-92%}
.lb-tag{font-family:var(--uni);font-weight:800;font-size:15px;color:#fff;background:var(--blue);border-radius:999px;padding:3px 11px 4px;letter-spacing:.01em;transform:rotate(-4deg);box-shadow:0 6px 14px -6px rgba(8,123,250,.7)}
.lb-nav{display:flex;gap:22px;margin-left:16px}
.lb-nav a{text-decoration:none;font-size:14px;font-weight:700;color:var(--ink-2)}
.lb-nav a:hover{color:var(--blue)}
.lb-act{margin-left:auto;display:flex;align-items:center;gap:8px}
.lb-login{text-decoration:none;font-size:13px;font-weight:700;background:#eef2f6;border-radius:999px;padding:10px 16px}
.btn{display:inline-flex;align-items:center;gap:16px;text-decoration:none;background:var(--blue);color:#fff;font-weight:700;font-size:14px;border-radius:999px;padding:14px 22px;border:0;cursor:pointer;transition:background .2s,transform .2s;white-space:nowrap}
.btn:hover{background:var(--blue-d);transform:translateY(-1px)}
.btn i{width:7px;height:7px;border-radius:50%;background:#fff}
.btn.sm{font-size:12.5px;padding:11px 16px;gap:12px}
.btn.ghost{background:#fff;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn.ghost i{background:var(--blue)}
.btn.ghost:hover{background:#f6f9fc}
@media(max-width:860px){.lb-nav{display:none}}
@media(max-width:520px){.lb-hd-in{height:62px;gap:10px}.brand-logo{width:78px;height:35px}.lb-tag{font-size:12.5px}.lb-login{display:none}}

/* ===== インク ===== */
.ink{position:absolute;pointer-events:none;mix-blend-mode:multiply;filter:hue-rotate(var(--hue)) saturate(1.05);opacity:.9;user-select:none;-webkit-user-select:none;z-index:0}

/* ===== 記事一覧：ヒーロー ===== */
.lh{position:relative;max-width:1280px;margin:auto;padding:54px 5% 34px;text-align:center;isolation:isolate;overflow-x:clip}
.lh-word{width:min(760px,96%);margin:0 auto;display:block;height:auto;overflow:visible}
.lh-word text{font-family:var(--uni);font-weight:800;letter-spacing:-2px}
.lh-word .w1{fill:var(--ink)}
.lh-word .w2{fill:url(#lab-ink)}
.lh h1{margin:4px auto 0;font-size:clamp(25px,3.2vw,40px);width:fit-content;max-width:100%}
.lh .lh-h1{margin:0 auto;width:auto}
.lh h1 .hh{margin:0 auto;object-position:center}
.lh-lead{max-width:640px;margin:18px auto 0;color:var(--ink-2);font-size:16px}
.lh .ink.s1{width:clamp(220px,26vw,380px);left:-5%;top:-4%}
.lh .ink.s2{width:clamp(180px,20vw,300px);right:-3%;top:22%;transform:rotate(160deg)}
.lh .ink.s3{width:clamp(260px,30vw,460px);right:12%;top:-20%;opacity:.55}
.lh>:not(.ink){position:relative;z-index:1}
@media(max-width:720px){.lh{padding:34px 5% 22px}.lh-lead{font-size:14.5px}.lh .ink.s3{display:none}.lh .ink{opacity:.5}.lh .ink.s1{width:170px;left:-14%;top:-2%}.lh .ink.s2{width:150px;right:-12%;top:8%}}

/* カテゴリの札 */
.chips{display:flex;flex-direction:column;align-items:center;gap:10px;max-width:1180px;margin:26px auto 0;padding:0 5%}
.chip-row{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px}
.chip-row.is-top .chip{padding:9px 18px 9px 14px;font-size:14px}
.chip-h{font-size:11px;color:var(--muted);letter-spacing:.02em;margin-right:4px}
.chip{display:inline-flex;align-items:center;gap:7px;border:0;background:#fff;box-shadow:inset 0 0 0 1.5px var(--line);border-radius:999px;padding:8px 15px 8px 10px;font-size:13.5px;font-weight:700;color:var(--ink-2);cursor:pointer;transition:box-shadow .2s,background .2s,color .2s;white-space:nowrap}
.chip svg{width:20px;height:20px;color:var(--c)}
.chip small{font-size:11px;color:var(--muted);font-weight:700}
.chip:hover{box-shadow:inset 0 0 0 1.5px var(--c)}
.chip[aria-pressed=true]{background:var(--ink);color:#fff;box-shadow:none}
.chip[aria-pressed=true] svg{color:#fff}
.chip[aria-pressed=true] small{color:rgba(255,255,255,.7)}
@media(max-width:720px){.chips{align-items:stretch;padding:0}.chip-row{flex-wrap:nowrap;justify-content:flex-start;overflow-x:auto;padding:2px 5% 6px;scrollbar-width:none;-webkit-overflow-scrolling:touch}.chip-row::-webkit-scrollbar{display:none}}
/* 区分（競技共通のトレーニング／競技別の基礎） */
.lsec{scroll-margin-top:84px}
.lsec[hidden]{display:none}
.lsec-h{max-width:1280px;margin:54px auto 0;padding:0 5%;display:grid;grid-template-columns:auto 1fr;align-items:end;gap:4px 22px}
.lsec-h .uni{grid-column:1/-1;font-size:13px;color:var(--blue)}
.lsec-h h2{margin:0;font-size:clamp(22px,2.6vw,32px);font-weight:900;letter-spacing:-.02em;display:flex;align-items:baseline;gap:10px}
.lsec-h h2 small{font-size:13px;font-weight:800;color:var(--muted)}
.lsec-h p{margin:0;color:var(--muted);font-size:14px;line-height:1.7;max-width:640px}
.lsec .grid{margin-top:22px}
@media(max-width:860px){.lsec-h{grid-template-columns:1fr;margin-top:40px}}
.promo.wide{width:min(1152px,90%);margin:50px auto 0;display:flex;padding:30px 36px}
.promo.wide[hidden]{display:none}

/* 記事のカード */
.grid{max-width:1280px;margin:34px auto 0;padding:0 5%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.grid .feat{grid-column:span 2;grid-row:span 2}
.acard{position:relative;display:flex;flex-direction:column;background:#fff;border-radius:24px;box-shadow:var(--sh);text-decoration:none;overflow:hidden;transition:transform .25s,box-shadow .25s}
.acard:hover{transform:translateY(-4px);box-shadow:0 1px 0 rgba(16,29,40,.04),0 30px 54px -24px rgba(16,29,40,.36)}
.acard[hidden]{display:none}
.acard-b{padding:18px 22px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.acard-cat{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:800;color:var(--c);width:fit-content}
.acard-cat svg{width:16px;height:16px}
.acard h2,.acard h3{margin:0;font-size:17px;line-height:1.55;font-weight:800;letter-spacing:-.01em}
.acard p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.acard-meta{margin-top:auto;display:flex;flex-wrap:wrap;gap:6px;padding-top:6px}
.acard-meta span{font-size:11.5px;font-weight:700;color:var(--ink-2);background:#f2f5f8;border-radius:999px;padding:4px 10px}
.feat .acard-b{padding:24px 30px 30px}
.feat h2{font-size:clamp(20px,2vw,26px)}
.feat p{font-size:15px;-webkit-line-clamp:4}
.promo{grid-column:span 2;background:var(--blue);color:#fff;padding:30px 32px;justify-content:center;gap:10px;isolation:isolate}
.promo .ink{width:58%;right:-14%;top:-40%;mix-blend-mode:screen;opacity:.5;filter:none}
.promo .uni{font-size:14px;color:#cfe6ff;position:relative}
.promo b{font-size:clamp(20px,2.2vw,28px);line-height:1.5;position:relative}
.promo p{color:rgba(255,255,255,.86);-webkit-line-clamp:unset;position:relative;max-width:520px}
.promo .go{position:relative;display:inline-flex;align-items:center;gap:12px;width:fit-content;margin-top:6px;background:#fff;color:var(--blue-d);font-weight:800;font-size:14px;border-radius:999px;padding:12px 20px}
.grid.is-filtered .promo{display:none}
.grid.is-filtered .feat{grid-column:auto;grid-row:auto}
.grid.is-filtered .feat .cover{aspect-ratio:16/10;min-height:0;flex:none}
@media(max-width:1020px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid .feat{grid-column:span 2;grid-row:auto}.feat .cover{min-height:0;aspect-ratio:16/8}.promo{grid-column:span 1}}
@media(max-width:640px){.grid{grid-template-columns:1fr;gap:20px}.grid .feat{grid-column:auto}.feat .cover{aspect-ratio:16/10}.promo{padding:26px 22px}}

/* 表紙（文字の絵＋インク＋アイコン。投稿のサムネイルは使わない） */
.cover{position:relative;aspect-ratio:16/10;background:var(--c-pale);background-image:var(--grid);background-size:22px 22px;overflow:hidden;isolation:isolate;flex:none}
.feat .cover{aspect-ratio:auto;flex:1 1 auto;min-height:340px}
.feat .acard-b{flex:0 0 auto}
.cover .ink{width:78%;right:-18%;top:-30%;opacity:.95}
.cover .ink.sp{width:70%;left:-22%;right:auto;top:auto;bottom:-34%;opacity:.5;transform:rotate(200deg)}
.cover-ic{position:absolute;left:6.5%;top:9%;width:15%;max-width:64px;aspect-ratio:1;border-radius:28%;background:#fff;color:var(--c);display:grid;place-items:center;box-shadow:var(--sh-s);z-index:2}
.cover-ic svg{width:58%;height:58%}
.cover-badge{position:absolute;right:6%;top:9%;z-index:2;font-family:var(--uni);font-weight:800;font-size:clamp(14px,1.5vw,19px);color:#fff;background:var(--ink);border-radius:999px;padding:5px 14px 6px;transform:rotate(5deg);box-shadow:var(--sh-s)}
.cover .hh{position:absolute;left:6.5%;bottom:9%;z-index:2;height:auto;width:auto;max-width:87%;max-height:52%}
.cover-no{position:absolute;right:5%;bottom:3%;font-family:var(--uni);font-weight:800;font-size:clamp(46px,7vw,96px);line-height:1;color:var(--c);opacity:.12;z-index:1}

/* ===== 記事：ヒーロー ===== */
.ah{position:relative;isolation:isolate;overflow-x:clip;max-width:1280px;margin:auto;padding:30px 5% 46px;display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:56px;align-items:center}
.ah .ink.s1{width:clamp(260px,30vw,460px);left:-8%;top:-14%;opacity:.7}
.ah .ink.s2{width:clamp(220px,24vw,360px);right:-6%;bottom:-10%;transform:rotate(140deg)}
.ah-copy{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;gap:6px;font-size:12.5px;color:var(--muted);font-weight:600;margin-bottom:18px}
.crumb a{text-decoration:none}
.crumb a:hover{color:var(--blue)}
.kicker{display:flex;align-items:center;gap:10px;margin:0 0 10px;color:var(--c)}
.kicker .ic{width:38px;height:38px;border-radius:12px;background:#fff;display:grid;place-items:center;box-shadow:var(--sh-s)}
.kicker .ic svg{width:22px;height:22px}
.kicker .uni{font-size:clamp(22px,2.6vw,34px);line-height:1}
.ah h1{margin:0;font-size:clamp(30px,3.9vw,52px);line-height:1.5}
.ah-lead{margin:18px 0 0;color:var(--ink-2);font-size:16.5px;max-width:640px}
.facts{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.facts li{display:flex;align-items:center;gap:7px;background:#fff;border-radius:14px;padding:8px 13px;box-shadow:var(--sh-s);font-size:13px;font-weight:700}
.facts b{font-size:11px;color:var(--muted);font-weight:800}
.ah-date{margin-top:14px;font-size:12px;color:var(--muted)}
@media(max-width:960px){.ah{grid-template-columns:1fr;gap:30px}.ah-phone{justify-self:center}}
@media(max-width:720px){.ah{padding:20px 5% 30px}.ah-lead{font-size:15px}.ah .ink{opacity:.45}}

/* スマホの絵（アプリのメニュー画面） */
.phone{position:relative;z-index:2;width:310px;max-width:86vw;margin:0;border-radius:44px;background:#0d1620;padding:11px;box-shadow:0 40px 70px -30px rgba(16,29,40,.55),0 0 0 2px #26313c inset;transform:rotate(2.5deg)}
.ph-scr{border-radius:34px;background:#f6f8fb;overflow:hidden;height:560px;display:flex;flex-direction:column}
.ph-bar{display:flex;justify-content:space-between;align-items:center;padding:12px 24px 6px;font-size:12px;font-weight:800;position:relative}
.ph-bar::after{content:"";position:absolute;left:50%;top:9px;width:86px;height:24px;margin-left:-43px;border-radius:14px;background:#0d1620}
.ph-bar span:last-child{letter-spacing:2px;font-size:9px}
.ph-head{padding:8px 18px 12px;background:#fff;border-bottom:1px solid var(--line)}
.ph-head small{display:block;font-size:10px;color:var(--blue);font-weight:800}
.ph-head b{display:block;font-size:14.5px;line-height:1.45;margin-top:2px}
.ph-total{display:inline-flex;gap:6px;align-items:center;margin-top:7px;font-size:11px;font-weight:800;background:var(--pale);color:var(--blue-d);border-radius:999px;padding:3px 10px}
.ph-list{list-style:none;margin:0;padding:10px 12px;display:flex;flex-direction:column;gap:8px;flex:1;overflow:hidden;counter-reset:ph}
.ph-list li{display:grid;grid-template-columns:20px 64px minmax(0,1fr);align-items:center;gap:8px;background:#fff;border-radius:14px;padding:7px;box-shadow:0 4px 12px -8px rgba(16,29,40,.3);counter-increment:ph}
.ph-list li::before{content:counter(ph);width:20px;height:20px;border-radius:50%;background:var(--blue);color:#fff;font-size:10.5px;font-weight:800;display:grid;place-items:center}
.ph-list img{width:64px;height:40px;object-fit:cover;border-radius:8px;display:block}
.ph-list b{display:block;font-size:11.5px;line-height:1.35;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ph-list small{display:block;font-size:10px;color:var(--muted);font-weight:600}
.ph-nav{display:flex;justify-content:space-around;align-items:center;padding:10px 6px 16px;background:#fff;border-top:1px solid var(--line);font-size:9.5px;font-weight:700;color:var(--muted)}
.ph-nav i{width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;font-style:normal;font-size:20px;display:grid;place-items:center;margin-top:-18px;box-shadow:0 8px 16px -8px rgba(8,123,250,.9)}
.ph-nav .on{color:var(--blue)}
@media(max-width:720px){.phone{width:280px;transform:rotate(1.5deg)}.ph-scr{height:500px}}

/* ===== 記事：本文の枠（本文＋右の目次）===== */
.art{max-width:1180px;margin:0 auto;padding:10px 5% 40px;display:grid;grid-template-columns:minmax(0,760px) 250px;justify-content:space-between;gap:54px}
.art-main{min-width:0}
.toc-side{position:sticky;top:96px;align-self:start;background:#fff;border-radius:20px;padding:18px 18px 16px;box-shadow:var(--sh-s)}
.toc-side .uni{font-size:15px;color:var(--blue);display:block;margin-bottom:8px}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:t}
.toc li{counter-increment:t}
.toc a{display:grid;grid-template-columns:24px 1fr;gap:6px;text-decoration:none;font-size:13px;line-height:1.5;padding:7px 6px;border-radius:10px;color:var(--ink-2);font-weight:600}
.toc a::before{content:counter(t,decimal-leading-zero);font-family:"DM Sans",sans-serif;font-weight:800;font-size:10.5px;color:var(--muted);padding-top:2px}
.toc a:hover{background:#f3f7fb}
.toc a.on{background:var(--pale);color:var(--blue-d)}
.toc a.on::before{color:var(--blue)}
.toc .sub a::before{content:"・";font-family:inherit}
.toc-mob{display:none;background:#fff;border-radius:18px;box-shadow:var(--sh-s);margin:0 0 26px}
.toc-mob summary{list-style:none;cursor:pointer;padding:14px 18px;font-weight:800;font-size:14px;display:flex;justify-content:space-between}
.toc-mob summary::-webkit-details-marker{display:none}
.toc-mob summary::after{content:"＋";color:var(--blue)}
.toc-mob[open] summary::after{content:"－"}
.toc-mob .toc{padding:0 10px 12px}
@media(max-width:1020px){.art{grid-template-columns:minmax(0,1fr)}.toc-side{display:none}.toc-mob{display:block}}

/* この記事でわかること */
.learn{position:relative;background:#fff;border-radius:22px;padding:24px 24px 20px;box-shadow:var(--sh-s);margin:34px 0 30px}
.learn .uni{position:absolute;top:-13px;left:20px;font-size:13px;background:var(--ink);color:#fff;border-radius:999px;padding:3px 12px 4px}
.learn ul{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:7px}
.learn li{display:grid;grid-template-columns:24px 1fr;gap:8px;font-weight:700;font-size:15px;line-height:1.65}
.learn li::before{content:"";width:20px;height:20px;margin-top:3px;border-radius:7px;background:var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.2 4.2L19 7'/%3E%3C/svg%3E") center/14px no-repeat}

/* 本文 */
.prose p{margin:0 0 1.15em}
.prose b,.prose strong{font-weight:800;background:linear-gradient(transparent 62%,rgba(255,214,10,.45) 62%)}
.prose ul{margin:0 0 1.15em;padding-left:1.2em}
.prose li{margin:.25em 0}
.sec{margin:58px 0 0}
.sec-h{margin:0 0 18px;font-size:clamp(25px,2.6vw,34px);line-height:1.55}
.sec-h .uni{display:block;font-size:13px;color:var(--blue);margin-bottom:6px;font-family:var(--uni)}

/* 練習ごとの節 */
.drill{margin:66px 0 0;scroll-margin-top:92px}
.drill-hd{display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;align-items:end;margin-bottom:16px}
.drill-no{font-family:"DM Sans",sans-serif;font-weight:800;font-size:clamp(44px,5vw,64px);line-height:.9;color:var(--blue);letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.drill-kick{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 4px}
.drill-kick span{font-size:11.5px;font-weight:800;border-radius:999px;padding:3px 10px;background:var(--pale);color:var(--blue-d)}
.drill h2{margin:0;font-size:clamp(23px,2.4vw,30px);line-height:1.55}

/* YouTube の埋め込み（押すまでは絵だけ。押したら公式の埋め込みに替える） */
.yt{margin:22px 0 0}
.yt-box{position:relative;aspect-ratio:16/9;border-radius:20px;overflow:hidden;background:#0d1620;box-shadow:var(--sh)}
.yt-box iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.yt-play{position:absolute;inset:0;border:0;padding:0;cursor:pointer;background:#0d1620;display:block;width:100%}
.yt-play img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s,filter .3s}
.yt-play:hover img{transform:scale(1.03);filter:brightness(.92)}
.yt-btn{position:absolute;left:50%;top:50%;width:72px;height:50px;margin:-25px 0 0 -36px;border-radius:16px;background:#ff0033;display:grid;place-items:center;box-shadow:0 10px 24px -8px rgba(0,0,0,.55);transition:transform .2s}
.yt-play:hover .yt-btn{transform:scale(1.08)}
.yt-btn svg{width:26px;height:26px;fill:#fff;margin-left:3px}
.yt-len{position:absolute;right:12px;bottom:12px;background:rgba(0,0,0,.78);color:#fff;font-size:12px;font-weight:700;border-radius:7px;padding:2px 8px}
.yt-cap{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;margin-top:10px;font-size:12.5px;color:var(--muted)}
.yt-cap b{color:var(--ink-2);font-weight:800}
.yt-cap a{margin-left:auto;font-weight:800;color:var(--blue);text-decoration:none;white-space:nowrap}
.yt-cap a:hover{text-decoration:underline}

/* アプリのカード（plax card） */
.pcard{position:relative;margin:24px 0 0;background:#fff;border-radius:24px;box-shadow:0 0 0 2px #bfe0ff,var(--sh);padding:22px 24px 20px}
.pc-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.pc-brand{display:inline-flex;align-items:center;gap:7px;font-family:var(--uni);font-weight:800;font-size:13px;color:var(--ink)}
.pc-brand i{width:22px;height:22px;border-radius:7px;background:var(--ink) url(/lp/assets/plax-x-white-v1.png) center/86% no-repeat}
.pc-ai{font-size:11px;font-weight:800;color:#0f8a4a;background:#e7f8ee;border-radius:999px;padding:3px 10px}
.pc-tags{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:8px}
.pc-tags i{font-style:normal;font-size:11px;font-weight:800;color:#fff;background:var(--blue);border-radius:6px;padding:2px 8px}
.pc-tags i:nth-child(2n){background:#4f5bd5}
.pc-tags i.t{background:#eef2f6;color:var(--ink-2)}
.pcard h3{margin:0;font-size:19px;line-height:1.5}
.pc-sum{margin:6px 0 0;color:var(--ink-2);font-size:14px;line-height:1.75}
.pc-feel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:16px 0 0}
.pc-feel div{background:#f7f9fb;border-radius:14px;padding:9px 10px;text-align:center}
.pc-feel span{display:block;font-size:11px;font-weight:800;color:var(--muted)}
.st{display:inline-flex;gap:1px;margin-top:2px}
.st svg{width:17px;height:17px;fill:#dfe4ea}
.st svg.on{fill:#ffb400}
.st svg.k-flame,.st svg.k-heart{stroke:currentColor;stroke-width:1.5;stroke-linejoin:round;color:#dfe4ea}
.st svg.on.k-flame{fill:#fb923c;color:#f97316}.st svg.on.k-heart{fill:#fb7185;color:#f43f5e}
.pc-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:8px 0 0}
.pc-meta div{display:flex;align-items:center;gap:8px;border:1.5px solid var(--line);border-radius:14px;padding:8px 10px}
.pc-meta svg{width:18px;height:18px;flex:none;color:var(--blue)}
.pc-meta dt{font-size:10.5px;font-weight:800;color:var(--muted);line-height:1.2}
.pc-meta dd{margin:0;font-size:13px;font-weight:800;line-height:1.3}
.pc-eq{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:14px 0 0}
.pc-eq b,.pc-blk>b{font-size:12px;font-weight:800;color:var(--muted);margin-right:4px}
.pc-eq span{font-size:12.5px;font-weight:700;background:#f2f5f8;border-radius:8px;padding:3px 9px}
.pc-blk{margin:16px 0 0}
.pc-steps{list-style:none;margin:8px 0 0;padding:0;counter-reset:s;display:grid;gap:10px}
.pc-steps li{counter-increment:s;display:grid;grid-template-columns:28px minmax(0,1fr);gap:10px}
.pc-steps li::before{content:counter(s);width:26px;height:26px;border-radius:50%;background:var(--ink);color:#fff;font-size:12px;font-weight:800;display:grid;place-items:center;margin-top:1px}
.pc-steps p{margin:0;font-size:14px;line-height:1.7}
.pc-steps .pt{margin-top:5px;font-size:12.5px;color:var(--ink-2);background:#fff8e1;border-radius:10px;padding:6px 10px}
.pc-steps .pt em{font-style:normal;font-family:var(--uni);font-weight:800;font-size:10px;color:#c77800;margin-right:6px}
.pc-blk ul{margin:6px 0 0;padding:0;list-style:none;display:grid;gap:5px}
.pc-blk ul li{position:relative;padding-left:18px;font-size:13.5px;line-height:1.7}
.pc-blk ul li::before{content:"";position:absolute;left:3px;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--blue)}
.pc-blk.ca ul li::before{background:#f03e3e;border-radius:2px}
.pc-more{border-top:1px dashed var(--line);margin-top:16px;padding-top:4px}
.pc-more summary{list-style:none;cursor:pointer;font-size:13px;font-weight:800;color:var(--blue);padding:8px 0;display:flex;align-items:center;gap:6px}
.pc-more summary::-webkit-details-marker{display:none}
.pc-more summary::before{content:"＋";font-weight:800}
.pc-more[open] summary::before{content:"－"}
.pc-foot{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.pc-foot small{font-size:11.5px;color:var(--muted);line-height:1.6;flex:1 1 240px}
.pc-save{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-size:13px;font-weight:800;color:#fff;background:var(--blue);border-radius:12px;padding:10px 15px}
.pc-save:hover{background:var(--blue-d)}
@media(max-width:560px){.pcard{padding:18px 16px 16px;border-radius:20px}.pc-feel,.pc-meta{gap:6px}.pc-meta div{flex-direction:column;align-items:flex-start;gap:3px;padding:7px 8px}.pc-feel span{font-size:10px}.st svg{width:12px;height:12px}}

/* コーチのひとこと */
.tip{display:grid;grid-template-columns:52px minmax(0,1fr);gap:14px;margin:22px 0 0;align-items:start}
.tip-face{width:52px;height:52px;border-radius:50%;background:var(--ink) url(/lp/assets/plax-x-white-v1.png) center/62% no-repeat;box-shadow:var(--sh-s)}
.tip-b{position:relative;background:#fff;border-radius:6px 20px 20px 20px;padding:14px 18px;box-shadow:var(--sh-s);font-size:14.5px;line-height:1.8}
.tip-b b{display:block;font-size:12px;color:var(--blue);font-weight:800;margin-bottom:2px}

/* そのまま使えるメニュー（時間の並び） */
.menu{position:relative;background:#0d1620;color:#fff;border-radius:28px;padding:30px 30px 26px;overflow:hidden;isolation:isolate}
.menu .ink{width:60%;right:-18%;top:-40%;mix-blend-mode:screen;opacity:.35}
.menu-h{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:10px;position:relative;z-index:1}
.menu-h b{font-size:20px;line-height:1.5}
.menu-h small{display:block;font-family:var(--uni);font-size:12px;color:#7cc4ff;font-weight:800;margin-bottom:4px}
.menu-total{font-family:"DM Sans",sans-serif;font-weight:800;font-size:28px;line-height:1;color:#fff}
.menu-total small{display:inline;font-family:var(--sans);font-size:12px;color:rgba(255,255,255,.7);margin-left:4px}
.menu ol{list-style:none;margin:22px 0 0;padding:0;position:relative;z-index:1}
.menu li{display:grid;grid-template-columns:62px 18px minmax(0,1fr) auto;gap:10px;align-items:center;padding:9px 0;position:relative}
.menu li .tm{font-family:"DM Sans",sans-serif;font-weight:800;font-size:13px;color:#7cc4ff}
.menu li .dot{width:14px;height:14px;border-radius:50%;background:#0d1620;box-shadow:0 0 0 3px #7cc4ff;justify-self:center;position:relative;z-index:1}
.menu li.ex .dot{box-shadow:0 0 0 3px rgba(255,255,255,.35)}
.menu li::before{content:"";position:absolute;left:80px;top:0;bottom:0;width:2px;background:rgba(124,196,255,.3)}
.menu li:first-child::before{top:50%}
.menu li:last-child::before{bottom:50%}
.menu li .nm{font-weight:700;font-size:14.5px;line-height:1.5}
.menu li .nm a{text-decoration:none;border-bottom:1px dashed rgba(255,255,255,.4)}
.menu li .nm a:hover{color:#7cc4ff}
.menu li.ex .nm{color:rgba(255,255,255,.72);font-weight:600}
.menu li .mn{font-size:12px;font-weight:800;background:rgba(255,255,255,.1);border-radius:999px;padding:2px 10px}
.menu-note{position:relative;z-index:1;margin:16px 0 0;font-size:13px;color:rgba(255,255,255,.75);line-height:1.8}
.menu-cta{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.menu-cta .btn.ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.35)}
.menu-cta .btn.ghost i{background:#7cc4ff}
@media(max-width:560px){.menu{padding:24px 18px 20px;border-radius:22px}.menu li{grid-template-columns:50px 16px minmax(0,1fr) auto;gap:8px}.menu li::before{left:64px}}

/* plax とは（3つの流れの絵） */
.how{margin:58px 0 0;background:#fff;border-radius:26px;box-shadow:var(--sh-s);padding:26px 26px 22px}
.how .uni{font-size:13px;color:var(--blue)}
.how h2{margin:4px 0 4px;font-size:20px;line-height:1.5}
.how p{margin:0;color:var(--ink-2);font-size:14px}
.how img{display:block;width:100%;height:auto;margin-top:12px}
.how .btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}

/* よくある質問 */
.faq details{background:#fff;border-radius:18px;box-shadow:var(--sh-s);margin:0 0 10px}
.faq summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:30px minmax(0,1fr) 20px;gap:8px;padding:16px 18px;font-weight:800;font-size:15px;line-height:1.6}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";font-family:var(--uni);color:var(--blue);font-size:17px;line-height:1.4}
.faq summary::after{content:"＋";color:var(--blue);text-align:right}
.faq details[open] summary::after{content:"－"}
.faq .a{padding:0 18px 16px 56px;color:var(--ink-2);font-size:14.5px}
.faq .a p{margin:0 0 .6em}

/* 権利の断り */
.rights{margin:40px 0 0;font-size:12px;color:var(--muted);line-height:1.8;border-top:1px solid var(--line);padding-top:16px}
.rights a{color:var(--blue)}

/* あわせて読みたい */
.rel{max-width:1180px;margin:30px auto 0;padding:0 5%}
.rel-h{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:18px}
.rel-h .uni{font-size:clamp(24px,3vw,40px);color:var(--ink)}
.rel-h a{font-size:13px;font-weight:800;color:var(--blue);text-decoration:none}
.rel .grid{padding:0;margin:0}
@media(max-width:1020px){.rel .grid{grid-template-columns:repeat(2,minmax(0,1fr))}.rel .grid .acard:nth-child(3){display:none}}
@media(max-width:640px){.rel .grid{grid-template-columns:1fr}.rel .grid .acard:nth-child(3){display:flex}}

/* plax labo とは（一覧の下） */
.about{max-width:1180px;margin:70px auto 0;padding:0 5%}
.about-in{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px;align-items:center;background:#fff;border-radius:30px;box-shadow:var(--sh);padding:38px 40px}
.about .uni{font-size:clamp(22px,2.6vw,34px);color:var(--blue)}
.about h2{margin:6px 0 10px;font-size:clamp(20px,2vw,26px);line-height:1.55}
.about p{margin:0 0 .8em;color:var(--ink-2);font-size:14.5px}
.about img{width:100%;height:auto;display:block}
@media(max-width:900px){.about-in{grid-template-columns:1fr;padding:28px 22px;gap:18px}}

/* 最後の CTA */
.close{position:relative;isolation:isolate;overflow:hidden;margin:80px 0 0;background:#0b1724;color:#fff;padding:80px 5% 76px;text-align:center}
.close .ink{mix-blend-mode:screen;opacity:.42;width:clamp(300px,36vw,560px)}
.close .ink.s1{left:-8%;top:-30%}
.close .ink.s2{right:-6%;bottom:-40%;transform:rotate(180deg)}
.close .uni{font-size:clamp(13px,1.3vw,16px);color:#7cc4ff}
.close h2{margin:14px auto 0;width:min(760px,92%)}
.close h2 img{width:100%;height:auto;filter:brightness(0) invert(1)}
.close p{margin:18px auto 0;max-width:560px;color:rgba(255,255,255,.75);font-size:15px}
.close .btns{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:28px}
.close .btn.ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.35)}
.close .btn.ghost i{background:#7cc4ff}

/* 下の帯 */
.lb-ft{max-width:1280px;margin:auto;padding:36px 5% 40px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px;font-size:13px;color:var(--muted)}
.lb-ft nav{display:flex;flex-wrap:wrap;gap:8px 18px}
.lb-ft a{text-decoration:none;font-weight:700;color:var(--ink-2)}
.lb-ft a:hover{color:var(--blue)}
.lb-ft .cp{margin-left:auto}

/* 出てくる動き */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}.acard,.btn,.yt-play img{transition:none}}

/* ===== ショート動画（縦長・2026-10-08・ユーザー指示「記事に使う動画、基本的にショート動画にしよう」）=====
   PC は「動画（左）＋説明（右）」、スマホは説明の下に動画。枠は 9:16 で、サムネイル（640×480 の真ん中に縦の映像）の真ん中を見せる */
.drill-row{display:grid;grid-template-columns:minmax(0,1fr);gap:4px}
.drill-row.has-short{grid-template-columns:250px minmax(0,1fr);grid-template-areas:"v t";gap:28px;align-items:start;margin-top:6px}
.drill-row.has-short>.prose{grid-area:t}
.drill-row.has-short>.yt{grid-area:v;margin:0;position:sticky;top:92px}
.yt.is-short .yt-box{aspect-ratio:9/16;border-radius:24px;box-shadow:0 0 0 7px #0d1620,var(--sh)}
.yt.is-short .yt-play img{object-fit:cover;object-position:center}
.yt.is-short .yt-btn{width:62px;height:44px;margin:-22px 0 0 -31px}
.yt-tag{position:absolute;left:12px;top:12px;background:rgba(255,0,51,.95);color:#fff;font-size:11px;font-weight:800;border-radius:7px;padding:2px 8px;letter-spacing:.02em}
.yt.is-short .yt-cap{flex-direction:column;align-items:flex-start;gap:4px;margin-top:16px}
.yt.is-short .yt-cap a{margin-left:0}
@media(max-width:760px){
  .drill-row.has-short{grid-template-columns:minmax(0,1fr);grid-template-areas:"t" "v";gap:14px}
  .drill-row.has-short>.yt{position:static;width:min(280px,78vw);margin:0 auto}
}
/* スマホの絵の中：ショートは縦長のサムネイル */
.ph-list li.is-short{grid-template-columns:20px 32px minmax(0,1fr)}
.ph-list li.is-short img{width:32px;height:56px;object-fit:cover;object-position:center;border-radius:7px}

/* 手順の記事：完成した動画1本をステップごとに区切って流す（2026-10-08） */
.yt-step{position:absolute;left:12px;top:12px;display:flex;align-items:center;gap:8px;background:rgba(13,22,32,.86);color:#fff;font-size:12.5px;font-weight:800;border-radius:10px;padding:5px 11px 5px 6px;letter-spacing:.01em}
.yt-step b{background:var(--c);color:#fff;border-radius:7px;padding:2px 8px;font-family:var(--uni);font-size:12px;letter-spacing:0}
.yt.is-seg .yt-box{box-shadow:0 0 0 3px var(--c-pale),var(--sh)}
.src{position:relative;background:#fff;border-radius:24px;padding:24px;box-shadow:var(--sh-s);margin:0 0 34px}
.src-h .uni{display:block;font-size:13px;color:var(--blue);margin-bottom:6px}
.src-h p{margin:0 0 14px;font-size:15px;line-height:1.85}
.src-steps{list-style:none;margin:0 0 4px;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:8px}
.src-steps a{display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-rows:auto auto;column-gap:10px;align-items:center;text-decoration:none;color:var(--ink);background:var(--c-pale);border-radius:14px;padding:9px 12px;font-weight:800;font-size:13.5px;line-height:1.45}
.src-steps a:hover{box-shadow:inset 0 0 0 2px var(--c)}
.src-steps b{grid-row:1/3;background:var(--c);color:#fff;border-radius:8px;padding:3px 8px;font-family:var(--uni);font-size:11.5px}
.src-steps small{color:var(--muted);font-weight:700;font-size:11.5px}
.src .yt{margin-top:14px}
.drill-row.has-seg{grid-template-columns:minmax(0,1fr) 330px;gap:28px;align-items:start;margin-top:6px}
.drill-row.has-seg>.yt{margin:4px 0 0;position:sticky;top:92px}
.drill-row.has-seg .yt-box{border-radius:16px}
.drill-row.has-seg .yt-btn{width:58px;height:40px;margin:-20px 0 0 -29px;border-radius:13px}
.drill-row.has-seg .yt-cap{font-size:12px}
.drill-row.has-seg .yt-cap a{margin-left:0}
@media(max-width:760px){.src{padding:18px 16px;border-radius:20px}.src-steps{grid-template-columns:minmax(0,1fr)}.drill-row.has-seg{grid-template-columns:minmax(0,1fr);gap:4px}.drill-row.has-seg>.yt{position:static;margin-top:18px}}
/* 暗い所（練習メニューの箱・いちばん下の「はじめる」）の「無料ではじめる」は、紺が沈まないように白いふちと青い光（/cta/cta.css・2026-10-09） */
.menu-cta a.cta,.close a.cta{box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.6),0 12px 30px -10px rgba(8,123,250,.8)}