:root{
  /* ライトモード前提。ブラウザの自動ダーク変換を抑止 */
  color-scheme: light;
  /* たーくんの投資スクール：ゴールド×ネイビー */
  --gradient-brand:linear-gradient(135deg,#E8B84B,#F0CE7D,#7FB6A4,#4E7FBF,#1F3A66);
  --gradient-gold:linear-gradient(135deg,#D9A62E,#F0CE7D);
  --gradient-navy:linear-gradient(135deg,#4E7FBF,#1F3A66);
  --gradient-text:linear-gradient(135deg,#B07E15,#8A6A1F,#3E5E8F,#1F3A66);
  --color-gold:#D9A62E;--color-gold-deep:#B07E15;
  --color-navy:#1F3A66;--color-navy-soft:#4E7FBF;
  --color-green:#2E8B6E;--color-green-soft:#7FB6A4;
  --color-text-primary:#1B2333;--color-text-secondary:#4A5568;
  --color-text-tertiary:#6E7378;
  --color-border:#E5E1D8;--color-surface:#FFFFFF;
  --color-background:#FAF8F3;--color-background-alt:#F2EEE4;
  --color-success:#2E8B6E;--color-warning:#D9A62E;--color-error:#D64545;
  --tint-gold:rgba(217,166,46,.08);
  --tint-navy:rgba(31,58,102,.06);
  --font-heading:"M PLUS Rounded 1c","Rounded Mplus 1c","Noto Sans JP",sans-serif;
  --font-body:"Noto Sans JP","Hiragino Sans",sans-serif;
  --font-mono:"Montserrat","Inter",sans-serif;
  --radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-full:100px;
  --shadow-sm:0 1px 3px rgba(27,35,51,.04),0 1px 2px rgba(27,35,51,.03);
  --shadow-md:0 4px 12px rgba(27,35,51,.06);
  --shadow-lg:0 8px 24px rgba(27,35,51,.09);
  --shadow-gold:0 2px 10px rgba(217,166,46,.35);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-padding-top:80px;}
body{margin:0;font-family:var(--font-body);color:var(--color-text-primary);
  background:var(--color-background);line-height:1.9;letter-spacing:.03em;
  -webkit-font-smoothing:antialiased;}
a{color:var(--color-navy-soft);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;display:block;}
h1,h2,h3{font-family:var(--font-heading);font-weight:700;letter-spacing:.02em;}
:focus-visible{outline:3px solid var(--color-text-primary);outline-offset:2px;}
/* 左右の余白はここで一括管理する。個別のクラスで padding をまとめて指定すると
   （例：.section{padding:44px 0 8px}）左右が 0 に潰れるので、縦だけを指定すること */
.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 24px;
  padding-left:max(24px,env(safe-area-inset-left));padding-right:max(24px,env(safe-area-inset-right));}
.wrap-narrow{width:100%;max-width:820px;margin:0 auto;padding:0 24px;
  padding-left:max(24px,env(safe-area-inset-left));padding-right:max(24px,env(safe-area-inset-right));}
@media(max-width:560px){
  .wrap,.wrap-narrow{padding-left:max(20px,env(safe-area-inset-left));
    padding-right:max(20px,env(safe-area-inset-right));}
  /* 記事ページはカードの外の余白（背景色の帯）を詰めて、白い本文エリアを広く使う。
     読み手に効くのはカードの内側の余白なので、外は最小限でよい */
  .article-wrap.wrap-narrow{padding-left:max(8px,env(safe-area-inset-left));
    padding-right:max(8px,env(safe-area-inset-right));}
}
.ico{width:16px;height:16px;display:inline-block;vertical-align:-3px;flex:none;}

@keyframes fadeUp{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:none;}}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(18px,-22px) scale(1.06);}}
@keyframes drift2{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(-20px,16px) scale(.95);}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
}

/* スクロールで出てくるセクション・カード（reveal.js がクラスを付け外しする）。
   隠すのは html.js-reveal が付いているときだけ＝JSが動かない環境では最初から見えたまま。 */
html.js-reveal .reveal{opacity:0;}
html.js-reveal .reveal.is-visible{animation:fadeUp .6s cubic-bezier(.25,.1,.25,1) both;}
@media (prefers-reduced-motion:reduce){
  html.js-reveal .reveal{opacity:1;}
}

/* ================= Header ================= */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid rgba(229,225,216,.8);}
.site-header::after{content:"";display:block;height:2px;background:var(--gradient-brand);opacity:.9;}
.site-header .bar{display:flex;align-items:center;gap:14px;height:62px;}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--font-heading);
  font-weight:700;font-size:16px;color:var(--color-text-primary);line-height:1.25;white-space:nowrap;min-width:0;}
.brand>span{min-width:0;overflow:hidden;text-overflow:ellipsis;}
.brand:hover{text-decoration:none;}
.brand .mark{width:34px;height:34px;flex:none;}
.brand .sub{display:block;font-size:10px;color:var(--color-gold-deep);font-weight:700;
  letter-spacing:.18em;font-family:var(--font-mono);}
.header-spacer{flex:1;}
.header-nav{display:flex;align-items:center;gap:2px;flex:none;}
.header-link{font-size:13px;color:var(--color-text-secondary);font-weight:700;white-space:nowrap;flex:none;
  padding:8px 16px;border-radius:var(--radius-full);transition:background .2s ease;}
.header-link:hover{background:var(--color-background-alt);text-decoration:none;}
.header-user{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  color:var(--color-text-secondary);padding:5px 12px 5px 6px;border:1px solid var(--color-border);
  border-radius:var(--radius-full);background:#fff;}
.header-user img{width:26px;height:26px;border-radius:50%;}
@media(max-width:560px){
  .brand{font-size:14px;}
  .brand .sub{display:none;}
  .brand .mark{width:28px;height:28px;}
  .header-link{padding:8px 10px;}
  .header-user span{display:none;}
}
/* スマホ幅ではナビ3つを入れると校名が潰れて消えてしまうので、ロゴだけ残す */
@media(max-width:480px){
  .brand>span{display:none;}
  .brand{flex:none;}
  .header-link{font-size:12px;padding:8px 8px;}
}

/* ================= Hero ================= */
.hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--color-border);}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;background:
  radial-gradient(640px 420px at 8% -10%,rgba(217,166,46,.16),transparent 62%),
  radial-gradient(720px 480px at 96% 6%,rgba(78,127,191,.14),transparent 60%),
  radial-gradient(560px 420px at 78% 108%,rgba(127,182,164,.14),transparent 62%);}
.hero .blob{position:absolute;border-radius:50%;filter:blur(54px);pointer-events:none;}
.hero .blob-a{width:300px;height:300px;right:-70px;top:-90px;
  background:rgba(217,166,46,.22);animation:drift 16s ease-in-out infinite;}
.hero .blob-b{width:240px;height:240px;left:-80px;bottom:-100px;
  background:rgba(78,127,191,.20);animation:drift2 19s ease-in-out infinite;}
.hero .inner{position:relative;padding-top:64px;padding-bottom:52px;}
.hero .inner > *{animation:fadeUp .6s cubic-bezier(.25,.1,.25,1) both;}
.hero .inner > *:nth-child(2){animation-delay:.08s;}
.hero .inner > *:nth-child(3){animation-delay:.16s;}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  color:var(--color-text-secondary);background:rgba(255,255,255,.85);border:1px solid var(--color-border);
  border-radius:var(--radius-full);padding:6px 16px;box-shadow:var(--shadow-sm);margin:0 0 20px;
  letter-spacing:.08em;}
.hero h1{margin:0 0 14px;font-size:34px;line-height:1.4;}
.hero h1 .grad{background:var(--gradient-text);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero .lead{margin:0;max-width:620px;color:var(--color-text-secondary);font-size:15px;}
@media(max-width:560px){
  .hero .inner{padding-top:44px;padding-bottom:38px;}
  .hero h1{font-size:26px;}
}

/* 絵文字はカラー絵文字フォントを優先（🉐 等が日本語フォントの白黒版に化けるのを防ぐ） */
.em{font-family:"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif;}

/* ================= Sections ================= */
.section{padding-top:44px;padding-bottom:8px;}
.section-head{display:flex;align-items:baseline;gap:12px;margin:0 0 18px;}
.section-head h2{margin:0;font-size:21px;}
.section-head .em{font-size:22px;}
.section-head .count{font-size:12px;color:var(--color-text-tertiary);font-weight:700;}

/* ================= Course cards ================= */
.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin:0 0 12px;}
.course-card{position:relative;display:flex;flex-direction:column;gap:8px;background:var(--color-surface);
  border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:20px 20px 16px;
  box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease;color:inherit;}
.course-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);text-decoration:none;}
.course-card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;
  border-radius:var(--radius-xl) var(--radius-xl) 0 0;background:var(--gradient-gold);opacity:0;transition:opacity .18s ease;}
.course-card:hover::before{opacity:1;}
.course-card .top{display:flex;align-items:center;gap:10px;}
.course-card .em{font-size:26px;line-height:1;}
.course-card h3{margin:0;font-size:16px;line-height:1.45;}
.course-card p{margin:0;font-size:12.5px;color:var(--color-text-secondary);line-height:1.7;}
.course-card .meta{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:6px;
  font-size:11.5px;color:var(--color-text-tertiary);font-weight:700;}
.progress-track{flex:1;height:6px;border-radius:var(--radius-full);background:var(--color-background-alt);overflow:hidden;}
.progress-fill{display:block;height:100%;width:0;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--color-green),var(--color-green-soft));transition:width .4s ease;}
.progress-num{font-family:var(--font-mono);font-weight:700;min-width:60px;text-align:right;}

/* ================= Course page (lesson list) ================= */
.page-hero{background:#fff;border-bottom:1px solid var(--color-border);position:relative;overflow:hidden;}
.page-hero::before{content:"";position:absolute;inset:0;pointer-events:none;background:
  radial-gradient(520px 300px at 90% -20%,var(--tint-gold),transparent 60%),
  radial-gradient(420px 280px at 5% 120%,var(--tint-navy),transparent 60%);}
.page-hero .inner{position:relative;padding-top:36px;padding-bottom:28px;}
.breadcrumbs{font-size:12px;color:var(--color-text-tertiary);margin:0 0 12px;font-weight:700;}
.breadcrumbs a{color:var(--color-text-tertiary);}
.page-hero h1{margin:0 0 8px;font-size:26px;line-height:1.45;}
.page-hero .desc{margin:0;color:var(--color-text-secondary);font-size:14px;}
.page-hero .course-progress,
.hero .course-progress{display:flex;align-items:center;gap:12px;margin-top:16px;max-width:420px;
  font-size:12px;font-weight:700;color:var(--color-text-tertiary);}

.lesson-list{list-style:none;margin:0 0 8px;padding:0;display:flex;flex-direction:column;gap:8px;}
.lesson-section{margin:26px 0 10px;font-size:14px;font-weight:700;color:var(--color-gold-deep);
  display:flex;align-items:center;gap:10px;}
.lesson-section::after{content:"";flex:1;height:1px;background:var(--color-border);}
.lesson-item a{display:flex;align-items:center;gap:14px;background:var(--color-surface);
  border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:13px 18px;
  color:inherit;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;}
.lesson-item a:hover{transform:translateX(3px);box-shadow:var(--shadow-md);text-decoration:none;
  border-color:rgba(217,166,46,.5);}
.lesson-item .no{font-family:var(--font-mono);font-size:12px;font-weight:700;color:var(--color-text-tertiary);
  min-width:26px;text-align:right;}
.lesson-item .t{flex:1;font-size:14px;font-weight:500;line-height:1.6;}
.lesson-item .t .imp{color:var(--color-gold-deep);font-weight:700;}
.badge{flex:none;font-size:10.5px;font-weight:700;padding:3px 10px;border-radius:var(--radius-full);letter-spacing:.04em;}
.badge-video{background:var(--tint-navy);color:var(--color-navy-soft);}
.badge-soon{background:var(--color-background-alt);color:var(--color-text-tertiary);}
.badge-imp{background:var(--tint-gold);color:var(--color-gold-deep);}
.check{flex:none;width:22px;height:22px;border-radius:50%;border:2px solid var(--color-border);
  display:grid;place-items:center;color:transparent;font-size:12px;font-weight:900;}
.lesson-item.done .check{background:var(--color-success);border-color:var(--color-success);color:#fff;}
.lesson-item.done .t{color:var(--color-text-tertiary);}

/* ================= Lesson page ================= */
.article-wrap{padding-top:36px;padding-bottom:40px;}
.article{background:var(--color-surface);border:1px solid var(--color-border);
  border-radius:var(--radius-xl);padding:40px 44px;box-shadow:var(--shadow-sm);}
/* スマホは画面幅が限られるので、カードの内側も詰めて本文の幅を稼ぐ */
@media(max-width:640px){.article{padding:26px 16px;}}
.article h1{font-size:24px;line-height:1.5;margin:0 0 6px;}
/* 長いタイトルが端まで詰まって見えるので、狭い画面では一段小さくする */
@media(max-width:560px){.article h1{font-size:21px;}}
.article .article-meta{font-size:12px;color:var(--color-text-tertiary);font-weight:700;margin:0 0 26px;
  padding-bottom:18px;border-bottom:1px solid var(--color-border);display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.article h2{font-size:19px;margin:2.2em 0 .7em;padding:10px 16px;border-radius:var(--radius-md);
  background:linear-gradient(90deg,var(--tint-gold),transparent 85%);
  border-left:4px solid var(--color-gold);}
.article h3{font-size:16px;margin:1.8em 0 .6em;padding-bottom:6px;
  border-bottom:2px solid var(--color-background-alt);}
.article p{margin:.9em 0;font-size:15px;}
.article ul,.article ol{padding-left:1.5em;font-size:15px;}
.article li{margin:.35em 0;}
.article strong{color:var(--color-navy);}
.article mark{color:inherit;background:linear-gradient(transparent 55%,rgba(246,211,101,.72) 55%);
  padding:0 .08em;border-radius:2px;font-weight:700;}
.article blockquote{margin:1.4em 0;padding:16px 20px;border-radius:var(--radius-lg);
  background:var(--tint-gold);border:1px solid rgba(217,166,46,.25);color:var(--color-text-primary);}
.article blockquote p{margin:.4em 0;font-size:14.5px;}
.article hr{border:none;height:1px;background:var(--color-border);margin:2.2em 0;}
.article img{border-radius:var(--radius-lg);margin:1.2em auto;box-shadow:var(--shadow-md);}
/* 教材スライドは文字が小さいので、スマホではカードの内側の余白を打ち消して
   本文より一段大きく見せる（画像だけが左右にはみ出す形） */
@media(max-width:640px){
  .article p:has(> img:only-child){margin-left:-8px;margin-right:-8px;}
  .article p:has(> img:only-child) img{width:100%;}
}
.article code{font-family:var(--font-mono);font-size:.9em;background:var(--color-background-alt);
  padding:2px 6px;border-radius:4px;}
/* ---------- コード全文コピー ---------- */
.code-copy-shell{margin:1.5em 0;border:1px solid rgba(217,166,46,.38);border-radius:var(--radius-lg);
  overflow:hidden;background:#111B2D;box-shadow:0 10px 28px rgba(15,31,53,.14);}
.code-copy-toolbar{min-height:54px;padding:7px 9px 7px 16px;display:flex;align-items:center;
  justify-content:space-between;gap:12px;background:linear-gradient(135deg,#14233A,#21395E);
  border-bottom:1px solid rgba(255,255,255,.1);}
.code-copy-language{font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.09em;
  color:rgba(255,255,255,.7);text-transform:uppercase;}
.code-copy-button{min-height:40px;display:inline-flex;align-items:center;justify-content:center;gap:7px;
  border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-full);padding:8px 14px;
  background:var(--gradient-gold);color:#3B2A05;font-family:var(--font-heading);font-size:12px;
  font-weight:700;line-height:1.2;white-space:nowrap;cursor:pointer;box-shadow:0 3px 10px rgba(217,166,46,.2);
  transition:transform .16s ease,filter .16s ease,box-shadow .16s ease,background .16s ease;}
.code-copy-button:hover{filter:brightness(1.04);box-shadow:0 5px 14px rgba(217,166,46,.3);transform:translateY(-1px);}
.code-copy-button:active{transform:translateY(0);box-shadow:none;}
.code-copy-button:focus-visible{outline:3px solid rgba(246,211,101,.55);outline-offset:2px;}
.code-copy-button.is-copied{background:#DDF4E9;color:#186044;border-color:rgba(46,139,110,.3);box-shadow:none;}
.code-copy-button.is-error{background:#FDECEC;color:#A33232;border-color:rgba(214,69,69,.35);box-shadow:none;}
.copy-code-icon{width:15px;height:15px;flex:none;}
.article .code-copy-shell pre{max-width:100%;margin:0;padding:20px 22px;overflow:auto;
  background:#111B2D;color:#EAF0F8;-webkit-overflow-scrolling:touch;}
.article .code-copy-shell pre code{display:block;min-width:max-content;padding:0;border-radius:0;
  background:transparent;color:inherit;font-family:var(--font-mono);font-size:12.5px;line-height:1.75;white-space:pre;}
@media(max-width:640px){
  .code-copy-toolbar{min-height:58px;padding:7px 8px 7px 13px;}
  .code-copy-button{min-height:44px;padding:9px 12px;font-size:11.5px;}
  .article .code-copy-shell pre{padding:18px 16px;}
  .article .code-copy-shell pre code{font-size:12px;}
}
.video-embed{position:relative;width:100%;padding-top:56.25%;margin:1.5em 0;border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-md);background:#000;}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.2em 0;}
.table-scroll table{margin:0 !important;min-width:100%;width:auto;}
.article table{border-collapse:collapse;width:100%;font-size:14px;margin:1.2em 0;}
.article th,.article td{border:1px solid var(--color-border);padding:8px 12px;text-align:left;}
.article th{background:var(--color-background-alt);}

/* ---------- ワーク（マイ投資設計）へのボタン ---------- */
/* 本文の **[📋 ○○を作成する →](/my-plan/…)** を、押せるボタンとして見せる。
   Markdownの書き方は変えずCSSだけで成立させているので、
   サイト上で編集した版（KV）でも管理画面のプレビューでも同じ見た目になる */
/* 対象は「マイ投資設計（/my-plan/）」と「配布ワークシート（/worksheets/*.html）」の2種類 */
.article p:has(> strong > a[href^="/my-plan/"]),
.article p:has(> strong > a[href^="/worksheets/"]){margin:1.9em 0 1.5em;text-align:center;}
.article p > strong:has(> a[href^="/my-plan/"]),
.article p > strong:has(> a[href^="/worksheets/"]){display:block;color:inherit;}
/* 色と角丸は、直前のスライド画像に描かれているボタンに合わせている
   （画像で見せているボタンが、そのまま下に実在する形にするため） */
.article p > strong > a[href^="/my-plan/"],
.article p > strong > a[href^="/worksheets/"]{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  min-width:min(440px,100%);padding:19px 34px;
  font-family:var(--font-heading);font-size:17.5px;font-weight:700;letter-spacing:.02em;
  color:#fff;text-decoration:none;
  background:linear-gradient(180deg,#4C8DF6,#2563EB);
  border-radius:18px;
  box-shadow:0 5px 0 #1D4ED8,0 12px 24px rgba(37,99,235,.26);
  transition:transform .15s ease,box-shadow .15s ease,filter .15s ease;}
.article p > strong > a[href^="/my-plan/"]:hover,
.article p > strong > a[href^="/worksheets/"]:hover{
  transform:translateY(-2px);filter:brightness(1.06);text-decoration:none;
  box-shadow:0 7px 0 #1D4ED8,0 16px 30px rgba(37,99,235,.32);}
/* 押した瞬間に沈む（影を薄くして接地させる） */
.article p > strong > a[href^="/my-plan/"]:active,
.article p > strong > a[href^="/worksheets/"]:active{
  transform:translateY(4px);
  box-shadow:0 1px 0 #1D4ED8,0 4px 10px rgba(37,99,235,.26);}
.article p > strong > a[href^="/my-plan/"]:focus-visible,
.article p > strong > a[href^="/worksheets/"]:focus-visible{
  outline:3px solid var(--color-gold);outline-offset:3px;}
@media(max-width:640px){
  .article p > strong > a[href^="/my-plan/"],
  .article p > strong > a[href^="/worksheets/"]{width:100%;padding:16px 18px;font-size:15.5px;gap:8px;}
}

/* 配布シート（Googleスプレッドシート）へのボタン。
   サイト内のワークと区別できるよう、スプレッドシートの緑にしている */
.article p:has(> strong > a[href^="https://docs.google.com/"]){margin:1.9em 0 1.5em;text-align:center;}
.article p > strong:has(> a[href^="https://docs.google.com/"]){display:block;color:inherit;}
.article p > strong > a[href^="https://docs.google.com/"]{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  min-width:min(440px,100%);padding:19px 34px;
  font-family:var(--font-heading);font-size:17.5px;font-weight:700;letter-spacing:.02em;
  color:#fff;text-decoration:none;
  background:linear-gradient(180deg,#34A853,#1E8E3E);
  border-radius:18px;
  box-shadow:0 5px 0 #15682C,0 12px 24px rgba(30,142,62,.26);
  transition:transform .15s ease,box-shadow .15s ease,filter .15s ease;}
.article p > strong > a[href^="https://docs.google.com/"]:hover{
  transform:translateY(-2px);filter:brightness(1.06);text-decoration:none;
  box-shadow:0 7px 0 #15682C,0 16px 30px rgba(30,142,62,.32);}
.article p > strong > a[href^="https://docs.google.com/"]:active{
  transform:translateY(4px);
  box-shadow:0 1px 0 #15682C,0 4px 10px rgba(30,142,62,.26);}
.article p > strong > a[href^="https://docs.google.com/"]:focus-visible{
  outline:3px solid var(--color-gold);outline-offset:3px;}
@media(max-width:640px){
  .article p > strong > a[href^="https://docs.google.com/"]{width:100%;padding:16px 18px;font-size:15.5px;gap:8px;}
}

.notion-stub{margin:28px 0 6px;padding:26px 24px;text-align:center;background:var(--color-background);
  border:2px dashed var(--color-border);border-radius:var(--radius-lg);}
.notion-stub .em{font-size:34px;margin-bottom:6px;}
.notion-stub p{margin:.3em 0;font-size:14px;color:var(--color-text-secondary);}
.notion-stub a{font-weight:700;}

.lesson-nav{display:flex;gap:12px;margin-top:22px;}
.lesson-nav a{flex:1;display:flex;flex-direction:column;gap:3px;background:var(--color-surface);
  border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:12px 16px;color:inherit;
  transition:box-shadow .15s ease;min-width:0;}
.lesson-nav a:hover{box-shadow:var(--shadow-md);text-decoration:none;}
.lesson-nav .dir{font-size:11px;color:var(--color-text-tertiary);font-weight:700;}
.lesson-nav .name{font-size:13px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.lesson-nav .next{text-align:right;}

.complete-bar{display:flex;justify-content:center;margin:30px 0 4px;}
.btn-complete{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-heading);font-weight:700;
  font-size:14.5px;padding:13px 34px;border-radius:var(--radius-full);cursor:pointer;
  border:2px solid var(--color-success);color:var(--color-success);background:#fff;
  transition:all .18s ease;letter-spacing:.04em;}
.btn-complete:hover{background:rgba(46,139,110,.07);}
.btn-complete.on{background:var(--color-success);color:#fff;box-shadow:0 2px 10px rgba(46,139,110,.35);}

/* ================= Login ================= */
.login-hero{min-height:calc(100vh - 64px - 160px);display:grid;place-items:center;padding-top:60px;padding-bottom:60px;}
.login-card{width:min(460px,92vw);background:var(--color-surface);border:1px solid var(--color-border);
  border-radius:var(--radius-xl);padding:44px 38px;text-align:center;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;}
.login-card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--gradient-brand);}
.login-card .em{font-size:44px;margin-bottom:10px;}
.login-card h1{margin:0 0 10px;font-size:21px;}
.login-card p{margin:0 0 24px;font-size:13.5px;color:var(--color-text-secondary);}
.btn-discord{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;
  background:#5865F2;color:#fff;font-weight:700;font-size:15px;font-family:var(--font-heading);
  padding:14px 20px;border-radius:var(--radius-lg);transition:filter .15s ease;letter-spacing:.03em;}
.btn-discord:hover{filter:brightness(1.08);text-decoration:none;}
.btn-discord .ico{width:20px;height:20px;}
.login-note{margin-top:18px !important;font-size:11.5px !important;color:var(--color-text-tertiary) !important;}

/* ================= マイ投資設計 ================= */
.st{display:inline-block;font-size:11.5px;font-weight:700;padding:3px 12px;border-radius:var(--radius-full);white-space:nowrap;}
.st-none,.st-loading{background:var(--color-background-alt);color:var(--color-text-tertiary);}
.st-draft{background:var(--color-background-alt);color:var(--color-text-secondary);}
.st-submitted{background:var(--tint-gold);color:var(--color-gold-deep);}
.st-needs_fix{background:rgba(214,69,69,.09);color:var(--color-error);}
.st-done{background:rgba(46,139,110,.11);color:var(--color-green);}

.plan-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;}
.plan-card{display:flex;flex-direction:column;gap:6px;background:var(--color-surface);
  border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:20px;
  box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease;color:inherit;}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);text-decoration:none;}
.plan-card .step,.plan-head .step{margin:0;font-family:var(--font-mono);font-size:11px;font-weight:700;
  color:var(--color-gold-deep);letter-spacing:.14em;}
.plan-card .top{display:flex;align-items:center;gap:9px;}
.plan-card .em{font-size:24px;line-height:1;}
.plan-card h3{margin:0;font-size:16px;}
.plan-card .tagline{margin:0;font-size:12.5px;color:var(--color-text-secondary);}
.plan-card .plan-status{margin:6px 0 0;}
.plan-card .plan-updated{margin:0;font-size:11px;color:var(--color-text-tertiary);min-height:1em;}
.plan-admin-link{margin:16px 0 0;font-weight:700;font-size:13.5px;}
.plan-help{margin:28px 0 10px;background:var(--color-surface);border:1px solid var(--color-border);
  border-radius:var(--radius-lg);padding:18px 22px;font-size:13.5px;color:var(--color-text-secondary);}
.plan-help p{margin:.3em 0;}
.plan-help ol{margin:.4em 0;padding-left:1.4em;}
.plan-help li{margin:.25em 0;}
.plan-help .note{color:var(--color-text-tertiary);font-size:12px;}

.plan-form{background:var(--color-surface);border:1px solid var(--color-border);
  border-radius:var(--radius-xl);padding:32px 36px 26px;box-shadow:var(--shadow-sm);}
@media(max-width:640px){.plan-form{padding:22px 18px;}}
.plan-head h1{font-size:23px;margin:2px 0 6px;line-height:1.5;}
.plan-head .desc{margin:0;font-size:13.5px;color:var(--color-text-secondary);}
.plan-note{margin:10px 0 0;font-size:12px;color:var(--color-gold-deep);background:var(--tint-gold);
  border-radius:var(--radius-md);padding:8px 12px;}
.plan-banner{margin:18px 0 0;font-size:13.5px;border-radius:var(--radius-lg);padding:13px 16px;line-height:1.8;}
.plan-banner.submitted{background:var(--tint-gold);border:1px solid rgba(217,166,46,.35);}
.plan-banner.needsfix{background:rgba(214,69,69,.07);border:1px solid rgba(214,69,69,.25);}
.plan-banner.done{background:rgba(46,139,110,.09);border:1px solid rgba(46,139,110,.3);}
.plan-linkbtn{display:inline-block;margin-left:8px;font:inherit;font-size:12px;font-weight:700;
  border:none;background:none;color:var(--color-navy-soft);cursor:pointer;text-decoration:underline;padding:0;}
.plan-chips{display:flex;flex-wrap:wrap;gap:6px;margin:20px 0 12px;}
.plan-chip{font:inherit;font-size:11.5px;font-weight:700;padding:6px 12px;border-radius:var(--radius-full);
  border:1px solid var(--color-border);background:#fff;color:var(--color-text-secondary);cursor:pointer;}
.plan-chip.on{background:var(--color-navy);border-color:var(--color-navy);color:#fff;}
.plan-progressbar{height:6px;border-radius:var(--radius-full);background:var(--color-background-alt);overflow:hidden;}
.plan-progressbar span{display:block;height:100%;background:var(--gradient-gold);border-radius:var(--radius-full);
  transition:width .3s ease;}
.plan-topline{display:flex;align-items:baseline;gap:12px;margin:12px 0 4px;flex-wrap:wrap;}
.plan-steplabel{margin:0;font-size:13px;font-weight:700;color:var(--color-gold-deep);}
.plan-savestate{margin-left:auto;font-size:11.5px;font-weight:700;color:var(--color-green);}
.plan-savestate.err{color:var(--color-error);}
.plan-secdesc{margin:10px 0 0;font-size:13px;color:var(--color-text-secondary);}

.article details{margin:14px 0;border:1px solid var(--color-border);border-radius:var(--radius-lg);
  background:var(--color-background);padding:0;}
.article details summary{cursor:pointer;font-weight:700;padding:12px 18px;user-select:none;
  color:var(--color-navy);border-radius:var(--radius-lg);}
.article details[open] summary{border-bottom:1px solid var(--color-border);}
.article details > *:not(summary){margin-left:18px;margin-right:18px;}
.article details > *:last-child{margin-bottom:14px;}

.plan-refs{margin:14px 0 4px;background:var(--tint-navy);border-radius:var(--radius-lg);padding:12px 16px;font-size:12.5px;}
.plan-refs p{margin:0 0 2px;font-weight:700;color:var(--color-navy);}
.plan-refs ul{margin:0;padding-left:1.2em;}
.plan-refs .none{color:var(--color-text-tertiary);}

.plan-q{margin:20px 0 0;}
.plan-label{display:block;font-size:14px;font-weight:700;margin:0 0 4px;}
.plan-hint{margin:0 0 6px;font-size:12px;color:var(--color-text-tertiary);}
.plan-q input[type=text],.plan-q textarea,.plan-q select{width:100%;box-sizing:border-box;font:inherit;
  font-size:14px;padding:10px 14px;border:1px solid var(--color-border);border-radius:var(--radius-md);
  background:var(--color-background);color:var(--color-text-primary);}
.plan-q textarea{resize:vertical;line-height:1.8;}
.plan-q input:focus,.plan-q textarea:focus,.plan-q select:focus{outline:2px solid var(--color-gold);background:#fff;}
.plan-q input:disabled,.plan-q textarea:disabled,.plan-q select:disabled{opacity:.75;background:var(--color-background-alt);}
.plan-num{display:inline-flex;align-items:center;gap:8px;}
.plan-num input{width:140px;box-sizing:border-box;font:inherit;font-size:14px;padding:10px 14px;
  border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-background);}
.plan-num .unit{font-size:13px;font-weight:700;color:var(--color-text-secondary);}
.plan-ex{margin:6px 0 0;font-size:12.5px;}
.plan-ex summary{cursor:pointer;color:var(--color-gold-deep);font-weight:700;user-select:none;list-style:none;}
.plan-ex summary::-webkit-details-marker{display:none;}
.plan-ex summary::after{content:" ▾";font-size:10px;}
.plan-ex[open] summary::after{content:" ▴";}
.plan-ex ul{margin:6px 0 0;padding:10px 14px 10px 30px;background:var(--tint-gold);
  border-radius:var(--radius-md);color:var(--color-text-secondary);}
.plan-ex li{margin:3px 0;line-height:1.7;}
.plan-multi{display:flex;flex-direction:column;gap:6px;}
.plan-multi label{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;background:var(--color-background);
  border:1px solid var(--color-border);border-radius:var(--radius-md);padding:9px 13px;cursor:pointer;}
.plan-multi label:has(input:checked){border-color:var(--color-gold);background:var(--tint-gold);}
.plan-multi input{margin-top:5px;accent-color:var(--color-gold-deep);}
.plan-computed{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin:18px 0 0;
  background:var(--color-background);border:1px dashed var(--color-border);border-radius:var(--radius-lg);
  padding:10px 16px;font-size:13px;}
.plan-computed .k{font-weight:700;color:var(--color-text-secondary);}
.plan-computed .v{font-family:var(--font-mono);font-size:17px;font-weight:700;color:var(--color-navy);}
.plan-computed.warn .v{color:var(--color-error);}
.plan-computed .w{font-size:12px;font-weight:700;color:var(--color-error);}
.plan-comment{margin:8px 0 0;background:var(--tint-gold);border-left:3px solid var(--color-gold);
  padding:9px 14px;font-size:13px;}
.plan-comment .who{margin:0 0 2px;font-size:11.5px;font-weight:700;color:var(--color-gold-deep);}
.plan-comment p{margin:0;line-height:1.8;white-space:pre-wrap;}
.plan-comment.overall{margin-top:12px;border-radius:0 var(--radius-md) var(--radius-md) 0;}

.plan-nav{display:flex;justify-content:space-between;gap:12px;margin:26px 0 0;padding-top:18px;
  border-top:1px solid var(--color-border);}
.plan-navbtn{font:inherit;font-family:var(--font-heading);font-weight:700;font-size:13.5px;
  padding:11px 26px;border-radius:var(--radius-full);cursor:pointer;
  border:1px solid var(--color-border);background:#fff;color:var(--color-text-primary);}
.plan-navbtn.next{background:var(--color-navy);border-color:var(--color-navy);color:#fff;}
.plan-navbtn:hover{box-shadow:var(--shadow-md);}

.plan-sec-title{font-size:17px;margin:16px 0 4px;}
.plan-review-sec{margin:14px 0 0;}
.plan-review-sec h3{font-size:13.5px;margin:0 0 6px;color:var(--color-gold-deep);}
.plan-review-row{display:flex;gap:14px;font-size:13px;padding:7px 0;border-bottom:1px solid var(--color-background-alt);}
.plan-review-row .k{flex:0 0 44%;color:var(--color-text-secondary);font-weight:500;}
.plan-review-row .v{flex:1;white-space:pre-wrap;}
.plan-review-row.empty .v{color:var(--color-text-tertiary);}
.plan-submitbox{margin:24px 0 0;background:var(--color-background);border:1px solid var(--color-border);
  border-radius:var(--radius-lg);padding:18px 20px;}
.plan-submitbox p{margin:.2em 0;font-size:13.5px;}
.plan-checkitem{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;margin:8px 0;cursor:pointer;}
.plan-checkitem input{margin-top:5px;accent-color:var(--color-green);}
.plan-submit{display:block;width:100%;margin:14px 0 6px;font:inherit;font-family:var(--font-heading);
  font-weight:700;font-size:15px;padding:14px 20px;border-radius:var(--radius-full);cursor:pointer;
  border:none;background:var(--color-green);color:#fff;box-shadow:0 2px 10px rgba(46,139,110,.3);}
.plan-submit:disabled{background:var(--color-background-alt);color:var(--color-text-tertiary);
  box-shadow:none;cursor:default;}
.plan-submitbox .note{font-size:11.5px;color:var(--color-text-tertiary);}
.plan-overall-comment{margin:0 0 18px;background:var(--tint-gold);border:1px solid rgba(217,166,46,.35);
  border-radius:var(--radius-lg);padding:12px 16px;font-size:13.5px;font-weight:500;}

/* ================= Footer ================= */
.site-footer{margin-top:56px;background:var(--color-navy);color:rgba(255,255,255,.85);position:relative;}
.site-footer::before{content:"";display:block;height:3px;background:var(--gradient-brand);}
.site-footer .wrap{padding:36px 24px 40px;}
.site-footer .cols{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:12.5px;}
.foot-brand{display:flex;align-items:center;gap:9px;font-family:var(--font-heading);font-weight:700;
  font-size:15px;color:#fff;margin-bottom:8px;}
.foot-brand .mark{width:26px;height:26px;}
.site-footer .links a{color:rgba(255,255,255,.85);line-height:2.1;}
.site-footer .disclaimer{margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.15);
  font-size:11px;color:rgba(255,255,255,.55);line-height:1.9;}

/* ---------- トラック選択（トップ）＋ 新旧切替 ---------- */
.track-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin:0 0 16px;}
.track-card{position:relative;display:flex;flex-direction:column;gap:12px;background:var(--color-surface);
  border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:28px 26px;
  box-shadow:var(--shadow-md);transition:transform .2s,box-shadow .2s;overflow:hidden;}
.track-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);text-decoration:none;}
.track-card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--gradient-brand);}
.track-new::before{background:var(--gradient-gold);}
.track-old::before{background:var(--gradient-navy);}
.track-card .em{font-size:40px;line-height:1;}
.track-card h2{margin:0;font-size:22px;line-height:1.4;color:var(--color-text-primary);}
.track-card p{margin:0;font-size:13.5px;color:var(--color-text-secondary);line-height:1.8;}
.track-card .meta{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:10px;
  font-size:12px;color:var(--color-text-tertiary);font-family:var(--font-mono);}
.track-note{text-align:center;font-size:12.5px;color:var(--color-text-tertiary);margin:10px 0 0;}
.track-switch{margin:14px 0 0;}
.track-switch a{font-size:13px;font-weight:700;color:var(--color-navy-soft);}

/* ================= 管理者用サイト選択 ================= */
.selector-hero .inner{padding-top:58px;padding-bottom:46px;}
.selector-main{padding-top:42px;padding-bottom:34px;}
.school-selector-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.school-selector-card{display:grid;grid-template-rows:180px 1fr;overflow:hidden;color:inherit;
  background:var(--color-surface);border:1px solid var(--color-border);border-radius:22px;
  box-shadow:var(--shadow-md);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.school-selector-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);text-decoration:none;
  border-color:rgba(217,166,46,.5);}
.school-selector-visual{display:grid;place-items:center;position:relative;overflow:hidden;
  background:linear-gradient(145deg,#172b4d 0%,#294e7d 54%,#d2a43e 145%);}
.school-selector-card:nth-child(2) .school-selector-visual{
  background:radial-gradient(circle at 72% 22%,rgba(232,184,75,.3),transparent 26%),linear-gradient(145deg,#13243f,#1f3a66 60%,#876b29);}
.school-selector-visual::before,.school-selector-visual::after{content:"";position:absolute;border:1px solid rgba(255,255,255,.14);border-radius:50%;}
.school-selector-visual::before{width:240px;height:240px;right:-80px;top:-120px;}
.school-selector-visual::after{width:170px;height:170px;left:-70px;bottom:-100px;}
.school-selector-visual span{font-size:62px;filter:drop-shadow(0 12px 18px rgba(0,0,0,.22));}
.school-selector-copy{display:flex;flex-direction:column;padding:25px 28px 27px;}
.school-selector-label,.futures-kicker{font-family:var(--font-mono);font-size:10.5px;font-weight:700;
  letter-spacing:.15em;color:var(--color-gold-deep);}
.school-selector-copy h2{margin:5px 0 8px;font-size:21px;line-height:1.45;}
.school-selector-copy p{margin:0;color:var(--color-text-secondary);font-size:13.5px;}
.school-selector-note{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:20px;
  font-size:12px;font-weight:700;color:var(--color-navy-soft);}
.school-selector-note b{font-size:20px;transition:transform .2s ease;}
.school-selector-card:hover .school-selector-note b{transform:translateX(4px);}

/* ================= 日経225先物専門カリキュラム ================= */
.futures-hero::before{background:radial-gradient(640px 420px at 8% -10%,rgba(217,166,46,.17),transparent 62%),
  radial-gradient(760px 500px at 96% 8%,rgba(31,58,102,.17),transparent 62%),
  linear-gradient(115deg,rgba(255,255,255,.1),rgba(127,182,164,.07));}
.futures-curriculum{padding-top:44px;padding-bottom:24px;}
.futures-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:22px;}
.futures-section-head h2{font-size:23px;line-height:1.45;margin:4px 0 0;}
.futures-section-head p{font-size:12px;color:var(--color-text-tertiary);font-weight:700;margin:0 0 4px;}
.futures-chapter-list{display:flex;flex-direction:column;gap:20px;}
.futures-chapter-card{display:grid;grid-template-columns:300px minmax(0,1fr);min-height:190px;overflow:hidden;
  color:inherit;background:var(--color-surface);border:1px solid var(--color-border);border-radius:20px;
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.futures-chapter-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);text-decoration:none;
  border-color:rgba(217,166,46,.55);}
.futures-chapter-image{position:relative;min-height:190px;overflow:hidden;background:linear-gradient(145deg,#172b4d,#31547d);}
.futures-chapter-image::before{content:"";position:absolute;z-index:1;inset:0;background:rgba(255,255,255,.3);pointer-events:none;}
.futures-chapter-image::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 72%,rgba(10,24,44,.16));pointer-events:none;}
.futures-chapter-image img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .45s cubic-bezier(.2,.7,.2,1);}
.futures-chapter-card:hover .futures-chapter-image img{transform:scale(1.035);}
.futures-chapter-image-no{position:absolute;z-index:2;top:50%;left:50%;transform:translate(-50%,-50%);
  color:#111827;font-family:"Yu Mincho","Hiragino Mincho ProN","Hiragino Mincho Pro","Noto Serif JP","Noto Serif CJK JP",serif;
  font-size:35px;font-weight:800;
  line-height:1.2;letter-spacing:.04em;white-space:nowrap;
  text-shadow:0 0 3px #fff,0 0 8px rgba(255,255,255,.98),0 2px 3px rgba(255,255,255,.9);}
.futures-image-fallback{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--font-mono);
  font-size:60px;font-weight:700;color:rgba(255,255,255,.25);letter-spacing:.05em;}
.futures-chapter-body{display:flex;flex-direction:column;padding:24px 28px 22px;min-width:0;}
.futures-chapter-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.futures-chapter-no{font-family:var(--font-mono);font-size:10.5px;font-weight:700;letter-spacing:.14em;color:var(--color-gold-deep);}
.futures-chapter-arrow{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--tint-gold);
  color:var(--color-gold-deep);font-size:16px;transition:transform .2s ease,background .2s ease;}
.futures-chapter-card:hover .futures-chapter-arrow{transform:translateX(3px);background:rgba(217,166,46,.16);}
.futures-chapter-body h2{margin:2px 0 7px;font-size:19px;line-height:1.5;color:var(--color-text-primary);}
.futures-chapter-body p{margin:0;font-size:13px;line-height:1.8;color:var(--color-text-secondary);}
.futures-chapter-meta{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;
  font-size:11.5px;font-weight:700;color:var(--color-text-tertiary);}
.futures-page-hero .futures-kicker{display:block;margin-bottom:4px;}

/* ---------- 先物カリキュラム管理 ---------- */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.futures-admin-bar{max-width:1180px;margin:18px auto 0;padding:0 24px;display:flex;justify-content:flex-end;}
.futures-admin-bar a,.futures-admin-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border:1px solid var(--color-border);border-radius:var(--radius-full);background:#fff;color:var(--color-navy);
  font-family:var(--font-body);font-size:13px;font-weight:700;line-height:1.2;padding:10px 16px;
  box-shadow:var(--shadow-sm);cursor:pointer;text-decoration:none;}
.futures-admin-bar a:hover,.futures-admin-btn:hover{border-color:rgba(217,166,46,.6);text-decoration:none;}
.futures-admin-btn:disabled{opacity:.48;cursor:wait;}
.futures-admin-primary{background:var(--gradient-navy);border-color:transparent;color:#fff;}
.futures-admin-page{background:var(--color-background);}
.futures-admin-shell{max-width:1080px;margin:0 auto;padding:42px 24px 80px;}
.futures-admin-header{margin-bottom:24px;}
.futures-admin-header h1{margin:5px 0 8px;font-size:34px;}
.futures-admin-header p{margin:0;color:var(--color-text-secondary);}
.futures-admin-header>div>p:first-child{margin-bottom:24px;font-size:13px;font-weight:700;}
.futures-admin-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-xl);
  padding:26px;margin:18px 0;box-shadow:var(--shadow-sm);}
.futures-admin-card h2{margin:0 0 8px;font-size:21px;}
.futures-admin-card h3{margin:0 0 3px;font-size:17px;}
.futures-admin-card p{color:var(--color-text-secondary);font-size:13px;}
.futures-admin-field{display:grid;gap:7px;margin:16px 0;font-size:13px;font-weight:700;color:var(--color-navy);}
.futures-admin-field input,.futures-admin-field textarea,.futures-admin-field select,
.futures-admin-row input{width:100%;font-family:var(--font-body);font-size:16px;line-height:1.5;
  color:var(--color-text-primary);border:1px solid var(--color-border);border-radius:12px;padding:12px 14px;background:#fff;}
.futures-admin-field textarea{resize:vertical;min-height:110px;}
.futures-admin-field input:focus,.futures-admin-field textarea:focus,.futures-admin-field select:focus,
.futures-admin-row input:focus{outline:2px solid rgba(78,127,191,.28);border-color:var(--color-navy-soft);}
.futures-admin-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:12px;}
.futures-admin-section-head p{margin:0;font-weight:700;}
.futures-admin-row{display:grid;grid-template-columns:65px minmax(0,1fr) auto;gap:12px;align-items:center;
  padding:12px 0;border-bottom:1px solid var(--color-border);}
.futures-admin-row>b{font-family:var(--font-mono);font-size:12px;color:var(--color-text-tertiary);}
.futures-admin-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;}
.futures-admin-save-title{background:var(--tint-gold);border-color:rgba(217,166,46,.32);}
.futures-admin-danger{color:var(--color-error);border-color:rgba(214,69,69,.28);}
.futures-admin-add{margin:28px 0 8px;padding:22px;background:var(--color-background-alt);border-radius:var(--radius-lg);}
.futures-admin-add>p{margin:0;}
.futures-admin-archived{margin-top:24px;border-top:1px solid var(--color-border);padding-top:20px;}
.futures-admin-archived summary{font-size:15px;font-weight:700;cursor:pointer;}
.futures-admin-archived-title{font-size:14px;color:var(--color-text-secondary);}
.futures-admin-empty{padding:18px 0;margin:0;}
.futures-admin-status{position:sticky;bottom:18px;min-height:24px;margin:18px auto 0;padding:11px 16px;
  border-radius:var(--radius-full);background:var(--color-navy);color:#fff;text-align:center;font-size:13px;font-weight:700;
  box-shadow:var(--shadow-md);opacity:0;transition:opacity .2s;}
.futures-admin-status:not(:empty){opacity:1;}
.futures-admin-status.is-error{background:var(--color-error);}

@media(max-width:760px){
  .school-selector-grid{grid-template-columns:1fr;}
  .futures-chapter-card{grid-template-columns:1fr;}
  .futures-chapter-image{min-height:190px;aspect-ratio:16/9;}
  .futures-chapter-image::after{background:linear-gradient(0deg,rgba(10,24,44,.12),transparent 35%);}
  .futures-section-head{display:block;}
  .futures-section-head p{margin-top:5px;}
  .futures-admin-row{grid-template-columns:1fr;}
  .futures-admin-actions{justify-content:flex-start;}
  .futures-admin-actions>*{flex:1;}
}
@media(max-width:520px){
  .selector-main,.futures-curriculum{padding-top:30px;}
  .school-selector-card{grid-template-rows:150px 1fr;}
  .school-selector-copy{padding:21px 20px 23px;}
  .futures-chapter-body{padding:20px 19px 19px;}
  .futures-chapter-body h2{font-size:17px;}
  .futures-chapter-meta{gap:8px;}
  .futures-admin-shell{padding:28px 14px 64px;}
  .futures-admin-card{padding:19px 16px;}
  .futures-admin-header h1{font-size:27px;}
  .futures-admin-bar{padding:0 14px;}
}

/* ---------- 記事に埋め込む書き込み式ワークシート（src/worksheets.js） ---------- */
.worksheet{background:var(--color-background-alt);border:1px solid var(--color-border);
  border-radius:var(--radius-xl);padding:26px 22px;margin:36px 0;box-shadow:var(--shadow-sm);}
.ws-head{border-bottom:2px solid var(--color-gold);padding-bottom:14px;margin-bottom:8px;}
/* 記事本文（.article h2/h3/p）の装飾はワークシート内では打ち消す */
.article .worksheet h2{margin:0;padding:0;background:none;border-left:none;border-radius:0;}
.article .worksheet h3{margin:0 0 4px;padding:0;border-bottom:none;}
.worksheet .ws-kicker{margin:0 0 6px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--color-gold-deep);}
.worksheet .ws-head h2{margin:0;font-size:22px;line-height:1.4;color:var(--color-navy);}
.worksheet .ws-lead{margin:6px 0 0;font-size:13.5px;color:var(--color-text-secondary);}
.worksheet .ws-note{background:var(--tint-gold);border-left:4px solid var(--color-gold);border-radius:var(--radius-md);
  padding:12px 14px;margin:16px 0 22px;font-size:12.5px;line-height:1.9;color:var(--color-text-secondary);}
.ws-sec{background:var(--color-surface);border:1px solid var(--color-border);
  border-radius:var(--radius-lg);padding:18px 18px 16px;margin:0 0 16px;}
.worksheet .ws-sec h3{margin:0 0 4px;font-size:16.5px;line-height:1.5;color:var(--color-navy);}
.ws-do{border-left:5px solid var(--color-green);}
.ws-do h3{color:var(--color-green) !important;}
.ws-dont{border-left:5px solid var(--color-error);}
.ws-dont h3{color:var(--color-error) !important;}
.worksheet .ws-hint{margin:0 0 12px;font-size:13px;line-height:1.8;color:var(--color-text-tertiary);}
.worksheet label{display:block;margin:14px 0 6px;font-size:13.5px;font-weight:700;color:var(--color-navy);}
.worksheet input[type=text],.worksheet textarea{
  /* 16px未満にするとiOSで入力時に自動ズームするので下げないこと */
  width:100%;font-family:var(--font-body);font-size:16px;line-height:1.8;color:var(--color-text-primary);
  background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:11px 12px;}
.worksheet textarea{min-height:76px;resize:vertical;overflow:hidden;}
.worksheet input[type=text]:focus,.worksheet textarea:focus{
  outline:2px solid var(--color-navy-soft);outline-offset:1px;border-color:var(--color-navy-soft);}
.worksheet .ws-tip{margin:10px 0 0;background:var(--color-background);border-radius:var(--radius-sm);
  padding:9px 11px;font-size:12.5px;line-height:1.85;color:var(--color-text-tertiary);}
.ws-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px;}
.worksheet button{font-family:var(--font-body);font-size:14.5px;font-weight:700;
  border-radius:var(--radius-full);padding:12px 22px;border:none;cursor:pointer;}
.ws-btn-image{background:var(--gradient-gold);color:#3B2A05;box-shadow:var(--shadow-gold);}
.ws-btn-print{background:var(--gradient-navy);color:#fff;box-shadow:var(--shadow-md);}
.ws-btn-clear{background:#fff;color:var(--color-text-tertiary);border:1px solid var(--color-border);}
.worksheet .ws-status{min-height:20px;margin:10px 0 0;text-align:center;font-size:12.5px;color:var(--color-green);}
.ws-image{margin:18px 0 0;padding:16px;background:var(--color-surface);
  border:1px solid var(--color-border);border-radius:var(--radius-lg);text-align:center;}
.ws-image img{width:100%;max-width:340px;margin:10px auto;border:1px solid var(--color-border);
  border-radius:var(--radius-md);box-shadow:var(--shadow-md);}
.worksheet .ws-image-note{margin:0;font-size:12.5px;line-height:1.8;color:var(--color-text-secondary);}
.ws-missing{background:#FDECEC;border:1px solid var(--color-error);border-radius:var(--radius-md);
  padding:12px 14px;margin:20px 0;font-size:13px;color:var(--color-error);}
@media (max-width:600px){
  .worksheet{padding:20px 14px;border-radius:var(--radius-lg);}
  .worksheet .ws-head h2{font-size:19px;}
  .ws-actions{flex-direction:column;}
  .worksheet button{width:100%;}
}

/* 「PDFで保存」を押したときは、そのワークシートだけを印刷する（worksheet.js が body に .ws-printing を付ける） */
@media print{
  body.ws-printing .site-header,
  body.ws-printing .site-footer,
  body.ws-printing .breadcrumbs,
  body.ws-printing .lesson-nav{display:none !important;}
  body.ws-printing .article>*{display:none !important;}
  body.ws-printing .worksheet.ws-print-target{display:block !important;
    background:#fff;border:none;box-shadow:none;padding:0;margin:0;}
  body.ws-printing .ws-note,
  body.ws-printing .ws-hint,
  body.ws-printing .ws-tip,
  body.ws-printing .ws-actions,
  body.ws-printing .ws-image,
  body.ws-printing .ws-status,
  body.ws-printing .ws-kicker{display:none !important;}
  body.ws-printing .ws-sec{break-inside:avoid;box-shadow:none;padding:12px 12px 10px;margin-bottom:10px;}
  body.ws-printing .worksheet input[type=text],
  body.ws-printing .worksheet textarea{border:none;border-bottom:1px solid #bbb;border-radius:0;padding:2px 0;}
}

/* 購入者特典：寸法と文字サイズは通常の章カードと共通 */
.futures-bonus-card{border-color:#d9a62e;background:linear-gradient(120deg,#fffaf0,#fff);}
.futures-bonus-media{background:#f6ead4;}
.futures-bonus-media span{position:absolute;z-index:2;top:25px;left:24px;font-family:serif;font-size:30px;font-weight:700;line-height:1.4;color:#183341;text-shadow:0 1px 8px #fff;}
.futures-bonus-link{color:#8b651b;}

/* Purchase bonus articles */

.article .benefit-guide{color:var(--color-text-primary);}
.article:has(.benefit-guide) h1{text-wrap:balance;}
.article .benefit-download h2 span{display:inline-block;}
.article .benefit-guide p{margin:0;line-height:1.9;}
.article .benefit-guide h2{margin:0;padding:0;border:0;background:none;font-size:19px;line-height:1.6;}
.article .benefit-intro{margin-bottom:24px!important;max-width:42em;color:var(--color-text-secondary);}
.article .benefit-download{display:grid;grid-template-columns:1fr 76px;gap:16px 24px;padding:28px;border-radius:var(--radius-lg);background:var(--color-navy);color:var(--color-surface);border-top:4px solid var(--color-gold);}
.article .benefit-download h2{color:var(--color-surface);font-size:22px;margin:4px 0 8px;}
.article .benefit-download p{color:var(--color-surface);font-size:14px;}
.article .benefit-file-label{font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--color-surface);}
.article .benefit-file-icon{display:grid;place-items:center;width:64px;height:80px;margin-top:4px;border:2px solid var(--color-surface);border-radius:6px;color:var(--color-surface);font-family:var(--font-mono);font-size:14px;font-weight:700;position:relative;}
.article .benefit-file-icon:before{content:"";position:absolute;top:12px;left:13px;width:30px;height:2px;background:var(--color-gold);box-shadow:0 7px 0 var(--color-gold);}
.article .benefit-file-icon span{padding-top:22px;}
.article .benefit-open{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:48px;max-width:100%;padding:12px 22px;border-radius:8px;background:var(--color-gold);color:var(--color-text-primary);font-family:var(--font-heading);font-weight:700;text-decoration:none;line-height:1.5;box-sizing:border-box;}
.article .benefit-download-action{grid-column:1 / -1;display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px;margin-top:4px;}
.article .benefit-download-action small{font-size:14px;color:var(--color-surface);}
.article .benefit-open:hover{background:var(--color-surface);color:var(--color-navy);text-decoration:none;}
.article .benefit-guide a:focus-visible{outline:3px solid var(--color-gold-deep);outline-offset:5px;}
.article .benefit-download a:focus-visible{outline-color:var(--color-surface);}
.article .benefit-open:active{transform:translateY(1px);}
.article .benefit-usage{padding:28px 0;border-bottom:1px solid var(--color-border);}
.article .benefit-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;list-style:none;padding:0;margin:20px 0 0;}
.article .benefit-steps li{margin:0;min-width:0;}
.article .benefit-step-head{display:flex;align-items:center;gap:10px;margin-bottom:8px;font-family:var(--font-heading);font-size:16px;color:var(--color-navy);font-weight:700;}
.article .benefit-step-no{display:grid;place-items:center;flex:none;width:28px;height:28px;border-radius:50%;background:var(--tint-gold);color:var(--color-navy);font-family:var(--font-mono);font-size:13px;}
.article .benefit-steps p{font-size:14px;color:var(--color-text-secondary);line-height:1.85;}
.article .benefit-resource{display:grid;grid-template-columns:160px minmax(0,1fr);gap:24px;padding:26px 0;border-bottom:1px solid var(--color-border);}
.article .benefit-resource h2{font-size:17px;}
.article .benefit-resource p{font-size:14px;color:var(--color-text-secondary);margin-bottom:10px;}
.article .benefit-resource a{display:inline-flex;align-items:center;min-height:44px;font-weight:700;color:var(--color-navy);line-height:1.8;text-underline-offset:4px;overflow-wrap:anywhere;}
.article .benefit-back{display:inline-flex;align-items:center;min-height:44px;margin-top:18px;font-size:14px;color:var(--color-text-secondary);text-underline-offset:4px;}
@media(max-width:640px){
.article .benefit-download{padding:22px 20px;grid-template-columns:minmax(0,1fr) 48px;gap:16px;}
.article .benefit-download h2{font-size:19px;}
.article .benefit-file-icon{width:42px;height:58px;font-size:11px;border-width:1.5px;}
.article .benefit-file-icon:before{left:9px;top:9px;width:23px;}
.article .benefit-file-icon span{padding-top:18px;}
.article .benefit-open{width:100%;font-size:15px;gap:12px;padding:12px;}
.article .benefit-steps{grid-template-columns:1fr;gap:18px;}
.article .benefit-steps li{padding-left:38px;position:relative;}
.article .benefit-step-no{position:absolute;left:0;top:0;}
.article .benefit-step-head{margin-bottom:4px;}
.article .benefit-resource{grid-template-columns:1fr;gap:8px;padding:22px 0;}
}

/* Longer bonus articles retain paragraph spacing; file panels share the same visual hierarchy. */
.benefit-article h2{margin:1.8em 0 .8em;padding:0;border:0;background:none;font-size:19px;line-height:1.6;}
.article .benefit-article .benefit-download{margin:24px 0 28px;}
.article .benefit-article .benefit-download h2{margin:4px 0 8px;}
.article .benefit-article .benefit-download p{margin:0;}
.article .benefit-article .benefit-usage h2{margin:0;}
.article .benefit-article .benefit-resource h2{margin:0;}
.article .benefit-article .benefit-steps{margin:20px 0 0;}
.article .benefit-article .benefit-steps p{margin:0;}
.article .benefit-note{margin-top:18px!important;color:var(--color-text-secondary);font-size:14px;line-height:1.85;}
.article .benefit-catalog{border-top:1px solid var(--color-border);}
.article .benefit-catalog-item{padding:26px 0;border-bottom:1px solid var(--color-border);}
.article .benefit-catalog-item h3{margin:0 0 10px;padding:0;border:0;font-size:18px;line-height:1.65;}
.article .benefit-catalog-item p{margin:0 0 14px;color:var(--color-text-secondary);}
.article .benefit-catalog-actions{display:flex;align-items:center;gap:12px 24px;flex-wrap:wrap;}
.article .benefit-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;box-sizing:border-box;border:1px solid var(--color-border);border-radius:8px;color:var(--color-navy);background:var(--color-background);font-weight:700;text-decoration:none;font-size:14px;line-height:1.7;}
.article .benefit-secondary:hover{border-color:var(--color-navy);background:var(--tint-gold);text-decoration:none;}
.article .benefit-catalog-actions>a:not(.benefit-secondary){display:inline-flex;align-items:center;min-height:44px;color:var(--color-navy);font-size:14px;text-underline-offset:4px;}
.article .benefit-article a:focus-visible{outline:3px solid var(--color-gold-deep);outline-offset:5px;}
.article .benefit-article .benefit-download a:focus-visible{outline-color:var(--color-surface);}
.article .benefit-status{margin:24px 0;padding:24px;border-radius:var(--radius-lg);border-left:4px solid var(--color-gold);background:var(--color-background-alt);}
.article .benefit-status strong{display:block;margin-bottom:8px;font-family:var(--font-heading);font-size:19px;}
.article .benefit-status p{margin:0;}
.article #bonus-pine-code{scroll-margin-top:100px;}
@media(max-width:640px){.article .benefit-catalog-actions{align-items:stretch;flex-direction:column;gap:4px;}.article .benefit-catalog-item h3{font-size:17px;}.article .benefit-article .benefit-download-action{display:block;}.article .benefit-article .benefit-download-action small{display:block;margin-top:12px;}}

@media(max-width:640px){.article .benefit-download{grid-template-columns:minmax(0,1fr);}.article .benefit-file-icon{display:none;}}