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<!DOCTYPE html>
<!--
==================================================================
バイブコーディング勉強会スライド（チームみらい デザインシステム版）
==================================================================
◆ このスライドの直し方（ノンエンジニアの方へ）◆
1) 文字を変えたい
→ 下の <section> ... </section> の中の日本語を書き換えるだけ。
HTMLタグ（<h1> や <li> など）は消さないように、
「>」と「<」の“あいだ”の文字だけ触るのが安全です。
2) スライドを増やす／減らす
→ <section>...</section> を丸ごとコピペ or 削除。
3) もっとラクに直したい
→ このファイルをAIに渡して「3枚目を○○に直して」と日本語でお願い。
4) 色やフォントを変えたい
→ 下の :root { ... } の中の色コード（#xxxxxx）を変える。
これらはチームみらい公式トークン（globals.css）に合わせてあります。
5) 操作
→ →/Space/クリックで次へ、←で戻る、F全画面、O一覧、
数字+Enterでジャンプ、Tでタイマー開始/停止。
==================================================================
-->
<html lang="ja">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>AIの使い方勉強会</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Lexend+Giga:wght@600;700;800&family=Noto+Sans+JP:wght@400;500;700;800&display=swap" rel="stylesheet">
<style>
/* ============================================================
チームみらい デザインシステム トークン
（出典: team-mirai/mirai-gikai globals.css）
色やフォントを変えたいときはここを編集
============================================================ */
:root {
--bg: #f7f4ee; /* ページ背景（warm off-white）*/
--surface: #ffffff; /* カード等の面 */
--surface-warm: #eae6dd; /* warm 差別化 */
--surface-light: #eeeeee; /* サブセクション */
--primary: #2aa693; /* プライマリ（ティール）*/
--primary-accent: #0f8472; /* 濃いティール */
--grad-start: #64d8c6; /* ブランドグラデ 始点 */
--grad-end: #bcecd3; /* ブランドグラデ 終点 */
--text: #1f2937; /* 本文 */
--text-secondary: #404040; /* サブ見出し */
--muted: #8e8e93; /* 補足・メタ */
--border: #b3bab4; /* ボーダー（投影でも見える濃さ）*/
--star: #ff9500; /* アクセント（強調・難易度）*/
--pink: #dd425f; /* リアクション */
--highlight: #f4ff5f; /* 蛍光ハイライト */
--radius: 16px; /* 角丸（基準 0.625rem を拡大）*/
--font: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
--font-en: "Lexend Giga", "Noto Sans JP", system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
font-family: var(--font);
color: var(--text);
overflow: hidden;
-webkit-font-smoothing: antialiased;
line-height: 1.875; /* CJK 向け行間 */
background: #0c1320; /* 16:9ステージの外側（レターボックス）*/
display: flex; align-items: center; justify-content: center;
}
/* ===== 16:9ステージ（画面サイズに合わせて拡大縮小・常に収まる）===== */
.deck {
position: relative; width: 1280px; height: 720px; z-index: 1; overflow: hidden;
container-type: size; transform-origin: center center; flex: 0 0 auto;
background:
radial-gradient(820px 620px at 88% -10%, rgba(100,216,198,0.30), transparent 60%),
radial-gradient(760px 600px at -5% 112%, rgba(188,236,211,0.40), transparent 55%),
var(--bg);
}
/* うっすらグリッドの質感（控えめ）*/
.deck::before {
content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
background-image:
linear-gradient(rgba(31,41,55,0.035) 1px, transparent 1px),
linear-gradient(90deg, rgba(31,41,55,0.035) 1px, transparent 1px);
background-size: 60px 60px;
mask-image: radial-gradient(circle at 50% 38%, #000 28%, transparent 78%);
}
section {
position: absolute; inset: 0;
display: none; flex-direction: column; justify-content: center;
padding: 4cqh 6cqw 6cqh;
opacity: 0; overflow-y: auto;
}
section.active { display: flex; opacity: 1; }
/* セクションごとのアクセント色（ブランド内で配色）*/
section { --tag: var(--muted); }
section[data-tag="pre"] { --tag: var(--muted); }
section[data-tag="intro"] { --tag: var(--primary); }
section[data-tag="learn"] { --tag: var(--star); }
section[data-tag="setup"] { --tag: var(--primary-accent); }
section[data-tag="do"] { --tag: var(--pink); }
section[data-tag="share"] { --tag: var(--primary); }
section[data-tag="end"] { --tag: var(--primary-accent); }
/* 左端のアクセントライン */
section::before {
content: ""; position: absolute; left: 0; top: 18cqh; bottom: 18cqh; width: 6px;
background: linear-gradient(var(--tag), color-mix(in srgb, var(--tag) 55%, white));
border-radius: 0 6px 6px 0;
}
/* 各要素が下からふわっと登場（表紙 .cover は専用演出にするため除外）*/
section.active:not(.cover):not(.ask) > *:not(.timer) { animation: rise .55s cubic-bezier(.2,.7,.25,1) both; }
section.active > *:nth-child(1){ animation-delay:.04s; }
section.active > *:nth-child(2){ animation-delay:.12s; }
section.active > *:nth-child(3){ animation-delay:.20s; }
section.active > *:nth-child(4){ animation-delay:.28s; }
section.active > *:nth-child(5){ animation-delay:.36s; }
@keyframes rise { from{opacity:0;transform:translateY(22px);} to{opacity:1;transform:translateY(0);} }
@media (prefers-reduced-motion: reduce) {
section.active > * { animation: none !important; }
}
/* セクションラベル（チップ）*/
.chip {
display: inline-flex; align-items: center; gap: .55em;
font-size: clamp(.85rem, 1.3cqw, 1.05rem); font-weight: 800; letter-spacing: .12em;
color: color-mix(in srgb, var(--tag) 78%, black);
padding: .45em 1.15em; border-radius: 999px; margin-bottom: 1rem; width: fit-content;
line-height: 1.2;
background: color-mix(in srgb, var(--tag) 16%, white);
border: 1px solid color-mix(in srgb, var(--tag) 45%, transparent);
}
.chip::before {
content: ""; width: .55em; height: .55em; border-radius: 50%; background: var(--tag);
}
/* タグ（チップ）はスライド上では非表示。フッター/一覧の名称には引き続き使用。
再び表示したいときは下の display:none の行を消してください */
.chip { display: none; }
h1 {
font-size: clamp(2.6rem, 6.2cqw, 5.2rem); line-height: 1.18; font-weight: 800;
letter-spacing: -0.01em; color: var(--text);
}
/* 表紙など見せ場のタイトルはティールのグラデ文字に（class="grad"）*/
h1.grad {
background: linear-gradient(120deg, var(--primary-accent), var(--primary));
-webkit-background-clip: text; background-clip: text; color: transparent;
}
h2 {
font-size: clamp(2.4rem, 5cqw, 4rem); line-height: 1.25; font-weight: 800;
letter-spacing: -0.01em; color: var(--text); position: relative;
margin-bottom: 1rem; padding-bottom: .55rem;
}
h2::after {
content: ""; position: absolute; left: 0; bottom: 0; width: 3.2rem; height: 4px;
background: var(--tag); border-radius: 4px;
}
h3 { font-size: clamp(1.4rem, 2.8cqw, 2.2rem); font-weight: 700; color: var(--primary-accent); margin-bottom: .5rem; }
p { font-size: clamp(1.5rem, 2.8cqw, 2.3rem); line-height: 1.65; color: var(--text); }
.sub { color: var(--text-secondary); font-size: clamp(1.3rem, 2.4cqw, 2rem); margin-top: 1rem; line-height: 1.55; }
.lead { font-size: clamp(1.8rem, 3.4cqw, 3rem); font-weight: 700; line-height: 1.45; color: var(--text-secondary); }
ul, ol { padding-left: 1.3em; }
li { font-size: clamp(1.7rem, 3.1cqw, 2.7rem); line-height: 1.5; margin-bottom: .7em; color: var(--text); }
li::marker { color: var(--primary); }
.tight li { font-size: clamp(1.4rem, 2.5cqw, 2.1rem); margin-bottom: .35em; }
.notice li { font-size: clamp(1.9rem, 3.4cqw, 2.9rem); margin-bottom: 1.5em; line-height: 1.55;
position: relative; padding-left: 2.7em; }
.notice li:last-child { margin-bottom: 0; }
section[data-tag="intro"] .notice li { font-size: clamp(1.7rem, 3cqw, 2.5rem); margin-bottom: .9em; }
.notice .subnote { margin-left: 0; }
.notice .em { position: absolute; left: .3em; top: .12em; margin: 0; }
.mailaddr { font-weight: 800; color: var(--primary-accent); font-family: var(--font-en);
background: color-mix(in srgb, var(--primary) 12%, white); border: 1px solid color-mix(in srgb, var(--primary) 35%, transparent);
border-radius: 8px; padding: .05em .45em; white-space: nowrap; }
section:has(.notice) h2 { font-size: clamp(2.4rem, 5cqw, 4rem); margin-bottom: 2.4rem; }
.notice { margin-top: 1.5rem; }
/* 「グラフが作れると、何ができる？」スライド */
.graphuse { display: grid; grid-template-columns: 1fr 1fr; gap: 3cqw; align-items: center; margin-top: 2.6cqh; }
.gu-chart { background: #fff; border: 1px solid var(--border); border-radius: 18px; box-shadow: 0 16px 38px rgba(31,41,55,0.12); padding: 1rem 1.3rem 1.3rem; }
.gu-chart-head { display: flex; align-items: center; gap: .5rem; margin-bottom: .7rem; }
.gu-dot { width: .72rem; height: .72rem; border-radius: 50%; background: #d7e0db; }
.gu-chart-title { margin-left: .5rem; font-weight: 800; color: var(--text-secondary); font-size: clamp(1.1rem, 1.8cqw, 1.5rem); }
.gu-svg { width: 100%; height: auto; display: block; }
.gu-flow { display: flex; flex-direction: column; gap: .55rem; }
.gu-card { display: flex; align-items: center; gap: 1.1rem; border-radius: 18px; padding: 1.25rem 1.5rem; }
.gu-main { background: linear-gradient(120deg, #e2f6f3, #eef6e2); border: 2px solid color-mix(in srgb, var(--primary) 40%, transparent); }
.gu-benefit { background: var(--primary); box-shadow: 0 12px 28px rgba(15,132,114,0.32); }
.gu-ico { font-size: clamp(2.1rem, 3.8cqw, 3rem); line-height: 1; flex: 0 0 auto; }
.gu-txt { display: flex; flex-direction: column; gap: .25rem; }
.gu-txt > b { font-size: clamp(1.32rem, 2.3cqw, 1.85rem); font-weight: 800; color: var(--text); line-height: 1.25; }
.gu-txt > span { font-size: clamp(1.15rem, 1.95cqw, 1.6rem); color: var(--text-secondary); line-height: 1.4; }
.gu-benefit .gu-txt > b { color: #fff; }
.gu-benefit .gu-txt > span { color: rgba(255,255,255,0.95); }
.gu-benefit .gu-txt > span b { color: #ffe6a0; }
.gu-arrow { text-align: center; font-size: clamp(1.7rem, 2.8cqw, 2.4rem); color: var(--primary-accent); font-weight: 800; line-height: .7; }
/* 「最後に」など項目が多いendスライドは詰めて1画面に収める */
section[data-tag="end"] .notice li { font-size: clamp(1.45rem, 2.7cqw, 2.2rem); margin-bottom: .7em; line-height: 1.45; }
section[data-tag="end"]:has(.notice) h2 { font-size: clamp(2.1rem, 4.2cqw, 3.2rem); margin-bottom: 1rem; }
section[data-tag="end"] .notice { margin-top: .7rem; }
.big-quote { font-size: clamp(1.8rem, 4.2cqw, 3.1rem); font-weight: 800; line-height: 1.5; color: var(--text); }
.big-quote .hl {
color: var(--primary-accent);
background: linear-gradient(transparent 62%, color-mix(in srgb, var(--grad-start) 55%, transparent) 62%);
}
/* カード */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; margin-top: 1.6rem; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.card {
background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
padding: 1.4rem 1.5rem; position: relative; overflow: hidden;
box-shadow: 0 2px 10px rgba(31,41,55,0.05);
transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.card::before { content:""; position:absolute; left:0; top:0; width:100%; height:3px; background: var(--tag); }
.card:hover {
transform: translateY(-4px); border-color: color-mix(in srgb, var(--tag) 55%, var(--border));
box-shadow: 0 14px 34px rgba(31,41,55,0.14);
}
.card h3 { font-size: clamp(1.35rem, 2.5cqw, 1.95rem); margin-bottom: .35rem; color: var(--text); }
.card p { font-size: clamp(1.15rem, 2cqw, 1.6rem); color: var(--muted); line-height: 1.5; }
.card a {
color: var(--primary-accent); word-break: break-all; font-size: clamp(1rem, 1.5cqw, 1.25rem); text-decoration: none;
font-family: var(--font-en); border-bottom: 1px dashed color-mix(in srgb, var(--primary) 50%, transparent);
}
/* 手順ステップ */
.steps { display: flex; gap: 1.1rem; flex-wrap: wrap; margin-top: 1.8rem; }
.step {
flex: 1 1 0; min-width: 180px; background: var(--surface); border: 1px solid var(--border);
border-radius: var(--radius); padding: 1.8rem 1.9rem; position: relative;
box-shadow: 0 2px 10px rgba(31,41,55,0.05);
}
.step:not(:last-child)::after {
content: "→"; position: absolute; right: -1.1rem; top: 50%; transform: translateY(-50%);
color: var(--tag); font-size: 2rem; font-weight: 800; z-index: 2;
}
.step .n {
display:flex; align-items:center; justify-content:center; width: 3.2rem; height: 3.2rem;
border-radius: 14px; background: var(--tag); color: #fff; font-weight: 800; font-size: 1.6rem;
margin-bottom: 1rem; font-family: var(--font-en);
}
.step h3 { font-size: clamp(1.6rem, 2.8cqw, 2.2rem); color: var(--text); }
.step p { color: var(--muted); font-size: clamp(1.2rem, 2cqw, 1.55rem); }
/* セットアップ手順のスクショ枠 */
.step-img { width: 100%; max-height: 42cqh; object-fit: contain; border-radius: 10px; border: 1px solid var(--border); background: #fff; margin-top: 1rem; display: block; }
.step-ph { width: 100%; height: 32cqh; display: none; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: var(--surface-light); border: 1px dashed var(--muted); border-radius: 10px; color: var(--muted); font-size: 1.15rem; margin-top: 1rem; line-height: 1.5; }
.step .value { font-size: clamp(1.4rem, 2.4cqw, 1.9rem); margin-left: 0; }
.step .kv2 { color: var(--text-secondary); font-size: clamp(1.3rem, 2.2cqw, 1.7rem); margin-top: .6rem; }
/* セットアップ：Wi-Fi帯 + 大きなログイン2画面 */
.wifi-bar {
display: flex; align-items: center; flex-wrap: wrap; gap: .5rem 1.8rem; margin-top: .45rem;
background: linear-gradient(120deg, #e2f6f3, #eef6e2);
border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent); border-radius: 16px; padding: .55rem 1.6rem;
}
.wifi-bar .n {
width: 2.8rem; height: 2.8rem; border-radius: 10px; background: var(--primary); color: #fff;
display: flex; align-items: center; justify-content: center; font-weight: 800; font-family: var(--font-en); font-size: 1.5rem;
}
.wifi-bar .wlabel { font-weight: 800; font-size: clamp(1.4rem, 2.4cqw, 2rem); color: var(--text); }
.wifi-bar .wkv { font-size: clamp(1.2rem, 2cqw, 1.6rem); color: var(--text-secondary); }
.wifi-kvs { display: grid; grid-template-columns: auto auto; column-gap: 1rem; row-gap: .3rem; align-items: center; }
.wifi-kvs .wk { font-size: clamp(1.3rem, 2.2cqw, 1.75rem); color: var(--text-secondary); }
.wifi-bar .value { font-family: var(--font-en); font-weight: 800; background: #fff; border: 2px solid var(--primary);
color: var(--primary-accent); border-radius: 9px; padding: .04em .55em; margin-left: .3em;
font-size: clamp(1.55rem, 2.6cqw, 2.05rem); }
section:has(.wifi-bar) h2 { font-size: clamp(2rem, 3.7cqw, 2.9rem); margin-bottom: .35rem; padding-bottom: .35rem; }
section:has(.wifi-bar) .shot-frame img { max-height: 28cqh; }
.setup-pre { margin: 0 0 .7rem; color: var(--text-secondary); font-weight: 600; font-size: clamp(1.1rem, 1.8cqw, 1.45rem); line-height: 1.4; }
.setup-pre b { color: var(--primary-accent); }
.login-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 2rem; margin-top: .55rem; align-items: stretch; }
.login-col {
background: linear-gradient(120deg, #e2f6f3, #eef6e2);
border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent); border-radius: 16px; padding: 1rem 1.3rem;
display: flex; flex-direction: column;
}
.login-col .shot-frame { flex: 1; }
.login-label { display: flex; align-items: center; justify-content: center; gap: .7rem; font-weight: 800;
font-size: clamp(1.3rem, 2.2cqw, 1.8rem); color: var(--text); margin-bottom: .6rem; }
.login-label .n {
width: 2.6rem; height: 2.6rem; border-radius: 10px; background: var(--primary); color: #fff;
display: flex; align-items: center; justify-content: center; font-weight: 800; font-family: var(--font-en); font-size: 1.4rem;
}
.shot-frame { display: flex; align-items: center; justify-content: center; }
.shot-frame img {
max-width: 100%; max-height: 44cqh; width: auto; height: auto; object-fit: contain; display: block;
border-radius: 14px; border: 1px solid var(--border); box-shadow: 0 10px 28px rgba(31,41,55,0.16);
}
.shot-ph { width: 100%; height: 40cqh; display: none; align-items: center; justify-content: center; text-align: center;
color: var(--muted); background: var(--surface-light); border-radius: 8px; font-size: 1rem; }
/* チュートリアル：左に画面、右にプロンプト */
.tut2 { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; margin-top: 1.5rem; }
.tut-img { position: relative; }
.tut-img img { width: 100%; max-height: 66cqh; object-fit: contain; border-radius: 16px; border: 1px solid var(--border); box-shadow: 0 12px 30px rgba(31,41,55,0.16); display: block; }
/* 入力欄の位置を示すマーカー（画像上の％で配置。ズレたら数値を調整）*/
.input-marker {
position: absolute; left: 34.4%; top: 85.8%; width: 34.4%; height: 11.5%;
border: 4px solid var(--primary); border-radius: 999px;
}
.input-marker .mlabel {
position: absolute; left: 50%; bottom: 116%; top: auto; transform: translateX(-50%); white-space: nowrap;
background: var(--primary); color: #fff; font-weight: 800; font-size: clamp(1rem, 1.6cqw, 1.35rem);
padding: .25em .9em; border-radius: 999px;
}
.odai-badge {
display: inline-block; width: fit-content; background: linear-gradient(120deg, #0f8472, #2aa693); color: #fff; font-weight: 800;
font-size: clamp(1.5rem, 2.6cqw, 2.1rem); padding: .12em .45em; border-radius: 10px; margin-bottom: .9rem;
}
section:has(.tut2) h2 { font-size: clamp(1.9rem, 4cqw, 3rem); }
section[data-timer] h2 { padding-right: 13cqw; }
.tut-prompt-label { font-weight: 800; color: var(--primary-accent); font-size: clamp(1.3rem, 2.3cqw, 1.8rem); margin-bottom: 1.1rem; }
.tut-prompt-label .em { font-size: 1.3em; vertical-align: -0.12em; margin-right: .1em; }
.tut-prompt-label.tpl-tight { margin-bottom: .35rem; }
.tut-or { font-weight: 800; color: var(--text-secondary); font-size: clamp(1.05rem, 1.7cqw, 1.35rem); margin: 0 0 .35rem; text-align: center; }
section[data-tag="setup"][data-timer] .tut2 { align-items: start; }
section[data-tag="setup"][data-timer] .tut-img { margin-top: 5cqh; }
/* チュートリアル補足（こんなときは？・小さな枠）*/
.tut-tips { margin-top: .8rem; border: 1.5px solid color-mix(in srgb, var(--primary) 38%, transparent);
background: color-mix(in srgb, var(--primary) 7%, white); border-radius: 12px; padding: .65rem .85rem; }
.tut-tips-head { font-weight: 800; color: var(--primary-accent); font-size: clamp(1rem, 1.55cqw, 1.3rem); margin-bottom: .35rem; }
.tut-tips-row { display: flex; align-items: center; gap: .45rem; font-weight: 700; color: var(--text);
font-size: clamp(.95rem, 1.5cqw, 1.25rem); line-height: 1.35; }
.tut-tips-row + .tut-tips-row { margin-top: .3rem; }
.tut-tips-row .tt-arr { color: var(--primary-accent); font-weight: 800; flex: 0 0 auto; }
.tut-tips-row .tt-say { color: var(--primary-accent); font-weight: 800; white-space: nowrap; }
.prompt-box {
position: relative; background: #fff; border: 2px solid var(--primary); border-radius: 20px;
padding: 1.2rem 3.6rem 1.2rem 1.3rem; font-size: clamp(1.4rem, 2.5cqw, 2rem); font-weight: 700;
color: var(--text); line-height: 1.5; box-shadow: 0 10px 26px rgba(31,41,55,0.1);
}
.prompt-box::after {
content: "↑"; position: absolute; right: 1rem; bottom: 1rem; width: 2.6rem; height: 2.6rem; border-radius: 50%;
background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 800;
}
/* 新しいチャットを開く（左列・ボタンだけ切り出し）*/
.newchat-title { font-weight: 800; color: var(--primary-accent); font-size: clamp(1.3rem, 2.3cqw, 1.8rem); margin-bottom: 1.1rem; }
/* お題②③は①と②のラベルを同じ高さに（列を上揃え）*/
section:has(.newchat):not([data-tag="do"]) .tut2 { align-items: start; }
.nc-list { display: flex; flex-direction: column; gap: 1.4rem; }
.nc-item { display: flex; align-items: center; gap: 1.3rem; }
.nc-btn {
width: clamp(74px, 8cqw, 108px); aspect-ratio: 1 / 1; border-radius: 14px; border: 3px solid var(--primary);
background: #0d141c; box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 22%, transparent); flex: 0 0 auto;
}
.nc-svc { font-weight: 800; color: var(--text); font-size: clamp(1.4rem, 2.4cqw, 2rem); }
/* 全体画面（左上の位置を示す）+ 各サービスのボタン */
.nc-full { position: relative; height: 21cqh; overflow: hidden; border-radius: 12px; border: 1px solid var(--border); box-shadow: 0 8px 20px rgba(31,41,55,0.14); }
.nc-full img { width: 100%; height: auto; display: block; }
.nc-fullmarker { position: absolute; left: .2%; top: 16%; width: 2.8%; height: 10%; border: 3px solid var(--primary); border-radius: 999px; box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 28%, transparent); }
.nc-btns-label { font-weight: 700; color: var(--text-secondary); font-size: clamp(1.05rem, 1.7cqw, 1.4rem); margin: .7rem 0 .5rem; }
.nc-btns { display: flex; gap: 1.6rem; }
.nc-b { display: flex; flex-direction: column; align-items: center; gap: .5rem; }
.nc-b img { width: clamp(56px, 6.5cqw, 92px); aspect-ratio: 1 / 1; border-radius: 12px; border: 3px solid var(--primary); background: #0d141c; }
.nc-b span { font-weight: 800; font-size: clamp(1.1rem, 1.8cqw, 1.5rem); color: var(--text); }
/* 何を作る？：レベル別カード（大きな番号＋ウォーターマーク）*/
.levels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 1.8cqh; align-items: stretch; }
section:has(.levels) h2 { margin-bottom: .5rem; }
.level-card { --lv: var(--primary); position: relative; overflow: hidden; background: var(--surface); border: 1px solid var(--border);
border-radius: 22px; box-shadow: 0 10px 28px rgba(31,41,55,0.1); display: flex; flex-direction: column;
transition: transform .2s ease, box-shadow .2s ease; }
.level-card:hover { transform: translateY(-5px); box-shadow: 0 18px 40px rgba(31,41,55,0.18); }
.level-card.lv1 { --lv: #2aa693; } .level-card.lv2 { --lv: #ff9500; } .level-card.lv3 { --lv: #dd425f; }
.level-head { position: relative; z-index: 1; background: linear-gradient(135deg, var(--lv), color-mix(in srgb, var(--lv) 60%, #0a1422));
color: #fff; padding: .95rem 1.55rem; display: flex; align-items: center; gap: .6rem; }
.level-tag { font-family: var(--font-en); font-weight: 800; letter-spacing: .15em; font-size: clamp(1.05rem, 1.65cqw, 1.35rem); opacity: .92; }
.level-no { font-family: var(--font-en); font-weight: 800; font-size: clamp(2.5rem, 4.1cqw, 3.5rem); line-height: 1; }
.level-dots { margin-left: auto; display: flex; gap: .4rem; }
.level-dots i { width: .85rem; height: .85rem; border-radius: 50%; background: rgba(255,255,255,0.4); }
.level-card.lv1 .level-dots i:nth-child(-n+1),
.level-card.lv2 .level-dots i:nth-child(-n+2),
.level-card.lv3 .level-dots i:nth-child(-n+3) { background: #fff; }
.level-numbg { position: absolute; right: -.08em; bottom: -.22em; z-index: 0; font-family: var(--font-en); font-weight: 800;
font-size: 13rem; line-height: 1; color: color-mix(in srgb, var(--lv) 9%, transparent); pointer-events: none; }
.level-card ul { position: relative; z-index: 1; list-style: none; padding: 1.3rem 1.5rem; margin: 0; display: flex; flex-direction: column; gap: .8rem; flex: 1; justify-content: center; }
.level-card li { font-size: clamp(1.1rem, 1.68cqw, 1.4rem); line-height: 1.38; color: var(--text); position: relative; padding-left: 1.3em; }
.level-card li::before { content: ""; position: absolute; left: 0; top: .5em; width: .6em; height: .6em; border-radius: 50%; background: var(--lv); }
/* 作りかたの流れ：くりかえしを強調 */
.loop-box { margin-top: .9rem; background: linear-gradient(120deg, #e2f6f3, #eef6e2);
border: 2px solid color-mix(in srgb, var(--primary) 45%, transparent); border-radius: 18px; padding: .9rem 2rem; }
.loop-title { font-weight: 800; color: var(--primary-accent); font-size: clamp(1.3rem, 2.4cqw, 1.8rem); margin-bottom: .35rem; text-align: center; }
.loop-flow { display: flex; align-items: center; justify-content: center; gap: 1.4rem; flex-wrap: wrap; }
.loop-step { background: #fff; border: 2px solid var(--primary); border-radius: 16px; padding: .7em 1.2em; font-weight: 800;
font-size: clamp(1.4rem, 2.6cqw, 2.1rem); color: var(--text); text-align: center; line-height: 1.3; }
.loop-arrow { color: var(--primary-accent); font-size: clamp(2rem, 3.4cqw, 3rem); font-weight: 800; }
.loop-repeat { text-align: center; margin-top: .5rem; font-weight: 800; color: var(--primary-accent); font-size: clamp(1.3rem, 2.4cqw, 1.85rem); }
.loop-tip { text-align: center; margin-top: .4rem; color: var(--text-secondary); font-weight: 700; font-size: clamp(1.05rem, 1.8cqw, 1.4rem); }
/* アンケート（AIインタビュー）スライド */
.survey { display: grid; grid-template-columns: 1fr; justify-items: center; text-align: center; gap: 1rem; margin-top: 5cqh; }
.survey-qr { justify-content: center; }
.survey-img img { width: 100%; max-height: 50cqh; object-fit: contain; background: #0d141c; border-radius: 20px; border: 1px solid var(--border); box-shadow: 0 14px 34px rgba(31,41,55,0.16); display: block; }
section:has(.survey) h2 { font-size: clamp(2.4rem, 5cqw, 4rem); }
.survey-lead { font-size: clamp(1.8rem, 3.3cqw, 2.8rem); font-weight: 800; color: var(--text); line-height: 1.3; margin-bottom: .9rem; }
.survey-lead b { color: var(--primary-accent); }
.survey-msg { font-size: clamp(1.4rem, 2.5cqw, 2.1rem); color: var(--text); line-height: 1.5; margin: 0 0 1.3rem; }
.survey-msg b { color: var(--primary-accent); }
.survey-pts { list-style: none; padding: 0; margin: 0 0 1.6rem; display: flex; flex-direction: column; gap: .7rem; }
.survey-pts li { font-size: clamp(1.15rem, 2cqw, 1.6rem); color: var(--text); position: relative; padding-left: 1.7em; line-height: 1.4; }
.survey-pts li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 800; }
.survey-qr { display: flex; align-items: center; gap: 1.4rem; }
.survey-qr .qr, .survey-qr .qr-ph { width: clamp(165px, 17.5cqw, 225px); aspect-ratio: 1 / 1; border-radius: 16px; }
.survey-qr .qr { border: 2px solid var(--border); background: #fff; object-fit: contain; }
.survey-qr .qr-ph { display: none; border: 2px dashed var(--muted); align-items: center; justify-content: center; text-align: center; color: var(--muted); background: var(--surface-light); font-size: .95rem; line-height: 1.5; }
.survey-qr .qr-cap { font-weight: 800; font-size: clamp(1.35rem, 2.2cqw, 1.9rem); color: var(--text); line-height: 1.35; white-space: nowrap; }
.survey-qr .qr-cap b { color: var(--primary-accent); }
/* 作りかたの流れ（doタグ）は要素を小さくして縦に収める */
section[data-tag="do"] h2 { margin-bottom: .3rem; }
section[data-tag="do"] .nc-b img { width: clamp(50px, 5.8cqw, 80px); }
section[data-tag="do"] .nc-btns { gap: 1rem; }
section[data-tag="do"] .newchat-title { font-size: clamp(1.2rem, 2.2cqw, 1.7rem); margin-bottom: .7rem; }
section[data-tag="do"] .tut-prompt-label { font-size: clamp(1.3rem, 2.4cqw, 1.9rem); margin-bottom: .55rem; }
section[data-tag="do"] .tut2 { margin-top: .2rem; grid-template-columns: 1fr auto 1fr; gap: 1.8rem; align-items: start; }
section[data-tag="do"] .tut-arrow { align-self: center; color: var(--primary-accent); font-weight: 800; font-size: clamp(1.8rem, 3cqw, 2.6rem); line-height: 1; }
section[data-tag="do"] .flow-down { text-align: center; color: var(--primary-accent); font-weight: 800; font-size: clamp(1.5rem, 2.6cqw, 2.1rem); line-height: 1; margin: .25rem 0 0; }
section[data-tag="do"] .nc-full { height: 18cqh; }
section[data-tag="do"] .prompt-box { font-size: clamp(1.2rem, 2.1cqw, 1.7rem); padding: .8rem 3rem .8rem 1.1rem; }
section[data-tag="do"] .prompt-hint { margin-top: .55rem; }
section[data-tag="do"] .loop-box { margin-top: .1rem; padding: .4rem 2rem .45rem; }
section[data-tag="do"] .loop-step { font-size: clamp(1.2rem, 2.1cqw, 1.7rem); padding: .4em .85em; }
section[data-tag="do"] .loop-title { margin-bottom: .2rem; }
section[data-tag="do"] .loop-repeat { margin-top: .3rem; }
section[data-tag="do"] .loop-tip { margin-top: .2rem; }
section[data-tag="do"] .prompt-hint { margin-top: .4rem; }
section[data-tag="do"] .flow-down { font-size: clamp(1.2rem, 2.1cqw, 1.7rem); margin-top: .1rem; }
.make-note { text-align: center; margin-top: 1.5rem; color: var(--text-secondary); font-size: clamp(1.1rem, 1.9cqw, 1.5rem); line-height: 1.6; }
.make-note b { color: var(--text); }
.prompt-hint { margin-top: 1.3rem; color: var(--text-secondary); font-size: clamp(1.1rem, 1.9cqw, 1.5rem); line-height: 1.5; }
.prompt-hint b { color: var(--primary-accent); }
.setup-note {
width: fit-content; max-width: 100%; margin: .35rem auto 0; text-align: center;
color: var(--primary-accent); font-weight: 700; font-size: clamp(1.2rem, 2cqw, 1.65rem);
background: color-mix(in srgb, var(--primary) 12%, white);
border: 1px solid color-mix(in srgb, var(--primary) 35%, transparent); border-radius: 12px; padding: .55em 1.2em;
}
.difficulty { color: var(--star); font-weight: 800; margin-right: .4em; }
/* 絵文字アイコン（大きさはここで一括調整。小さくしたい/消したいときは下を変更）*/
.em { font-size: 1.7em; line-height: 1; vertical-align: -0.22em; margin-right: .15em; }
/* 絵文字を消したい場合は、上の行を消して次の行を有効にする：
.em { display: none; } */
/* 未入力マーカー */
.placeholder {
display:inline-block; background: var(--surface-light); border: 1px dashed var(--muted);
border-radius: 8px; padding: .05em .7em; color: var(--muted); font-style: italic;
}
/* Wi-Fi 等の値を強調表示する枠 */
.value {
display:inline-block; font-family: var(--font-en); font-weight: 700;
background: var(--surface); border: 2px solid var(--primary); color: var(--primary-accent);
border-radius: 10px; padding: .1em .6em; margin-left: .3em;
}
.kv { margin: .35em 0 0 1.6em; font-size: clamp(1.4rem, 2.6cqw, 2.2rem); color: var(--text-secondary); }
/* 箇条書きの中に添える小さめの補足（絵文字の右の本文位置に揃える）*/
.subnote { margin-top: .2em; margin-left: 2.4em; font-size: .82em; color: var(--text-secondary); font-weight: 500; }
/* 開始前スライド用：大きな2枚カード（横並び・別アクセント色）*/
/* 開始前スライドの見出しは「事前のご案内」h2とサイズを揃える */
section[data-tag="pre"] h1 { font-size: clamp(2.4rem, 5cqw, 4rem); }
.pre-lead { font-size: clamp(1.5rem, 2.7cqw, 2.2rem); font-weight: 700; color: var(--text-secondary); margin-top: .6rem; }
.pre-lead strong { color: var(--primary-accent); }
.pre-note { text-align: center; color: var(--text-secondary); font-weight: 600; font-size: clamp(1.2rem, 2cqw, 1.6rem); margin-top: .5rem; }
/* 一般公開スライド */
.pub-lead { font-size: clamp(1.35rem, 2.35cqw, 1.85rem); font-weight: 700; color: var(--text); line-height: 1.45; margin: .6rem 0 0; }
.pub-lead b { color: var(--primary-accent); }
.pub-list { list-style: none; padding: 0; margin: 2.4cqh 0 0; display: flex; flex-direction: column; gap: 1.5rem; }
.pub-list li { position: relative; padding-left: 2.3em; font-size: clamp(1.3rem, 2.3cqw, 1.85rem); line-height: 1.45; color: var(--text); }
.pub-list li .em { position: absolute; left: 0; top: 0; font-size: 1.5em; line-height: 1.1; }
.pub-list b { color: var(--primary-accent); }
.checklist { list-style: none; padding: 0; margin: 1cqh 0 0; display: flex; flex-direction: column; gap: .5rem; }
.checklist li { position: relative; padding-left: 1.9em; font-size: clamp(1.18rem, 2cqw, 1.55rem); line-height: 1.42; color: var(--text); }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--primary); font-weight: 800; font-size: 1.15em; }
.checklist .lbl { font-weight: 800; color: var(--primary-accent); }
.checklist b { color: var(--primary-accent); }
/* ブラウザの準備（シークレット/キャッシュ・スクショ4枚）*/
.prep2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2.4rem; margin-top: 2cqh; align-items: start; }
.prep-col { display: flex; flex-direction: column; gap: .7rem; }
.prep-head { font-weight: 800; color: var(--primary-accent); font-size: clamp(1.45rem, 2.5cqw, 2rem); line-height: 1.25; }
.prep-head .em { margin-right: .15em; }
.prep-desc { font-size: clamp(1.1rem, 1.85cqw, 1.45rem); color: var(--text); line-height: 1.4; margin: 0; }
.prep-desc b { color: var(--primary-accent); }
.prep-shots { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: .3rem; }
.prep-shot { position: relative; height: 34cqh; border-radius: 12px; overflow: hidden; border: 1.5px solid var(--border); background: var(--surface-light); }
.prep-shot img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }
.prep-shot .shot-ph { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
color: var(--muted); font-size: clamp(.95rem, 1.5cqw, 1.2rem); padding: .6rem; line-height: 1.45; gap: .3rem; }
.prep-shot .shot-ph .fn { font-family: var(--font-en); font-weight: 700; color: var(--text-secondary); }
/* シークレット2枚（Chrome/Edge）+ 上限ノート */
.prep-two { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: .5rem; }
.prep-img { margin: 0; display: flex; flex-direction: column; gap: .5rem; }
.bframe { height: 31cqh; border-radius: 12px; overflow: hidden; border: 1.5px solid var(--border); background: #0d141c; display: flex; align-items: center; justify-content: center; }
.bframe img, .bframe svg { width: 100%; height: 100%; object-fit: contain; display: block; }
.prep-img figcaption { text-align: center; font-weight: 800; color: var(--text); font-size: clamp(1.15rem, 2cqw, 1.55rem); }
.prep-note { margin-top: 1.5rem; font-size: clamp(1.2rem, 2.05cqw, 1.65rem); color: var(--text); line-height: 1.5; }
.prep-note .em { margin-right: .25em; }
.prep-note b { color: var(--primary-accent); }
/* プレビューが出ないとき：HTMLを保存して開く（3ステップ）*/
.howto3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.8rem; margin-top: 3cqh; align-items: stretch; }
.howto-card { background: var(--surface); border: 2px solid color-mix(in srgb, var(--primary) 30%, #bcc3bd); border-radius: 18px;
padding: 1.8rem 1.4rem 2rem; display: flex; flex-direction: column; align-items: center; text-align: center; gap: .7rem;
box-shadow: 0 10px 26px rgba(31,41,55,0.1); }
.howto-num { width: 2.5rem; height: 2.5rem; border-radius: 50%; background: var(--primary); color: #fff; font-family: var(--font-en);
font-weight: 800; display: flex; align-items: center; justify-content: center; font-size: 1.45rem; }
.howto-ico { font-size: 2.9rem; line-height: 1; }
.howto-ttl { font-weight: 800; font-size: clamp(1.4rem, 2.4cqw, 1.95rem); color: var(--text); line-height: 1.3; }
.howto-desc { font-size: clamp(1.1rem, 1.85cqw, 1.45rem); color: var(--text-secondary); line-height: 1.5; }
.howto-desc b { color: var(--primary-accent); }
/* 最後に＋アンケート（2カラム）*/
.end-grid { display: grid; grid-template-columns: 1.12fr 1fr; gap: 2.6rem; align-items: center; margin-top: 1.2rem; }
.end-grid .notice { margin-top: 0; }
.end-survey { background: var(--surface); border: 2px solid color-mix(in srgb, var(--primary) 32%, #bcc3bd); border-radius: 18px;
padding: 1.5rem 1.6rem 1.7rem; text-align: center; box-shadow: 0 10px 26px rgba(31,41,55,0.1); }
.end-survey .survey-lead { font-size: clamp(1.5rem, 2.6cqw, 2.1rem); font-weight: 800; color: var(--text); line-height: 1.3; margin: 0 0 .5rem; }
.end-survey .survey-lead b { color: var(--primary-accent); }
.end-survey .survey-msg { font-size: clamp(1.2rem, 2cqw, 1.6rem); color: var(--text); line-height: 1.45; margin: 0 0 1rem; }
.end-survey .survey-msg b { color: var(--primary-accent); }
.end-survey .survey-qr { display: flex; align-items: center; justify-content: center; gap: 1.2rem; }
/* つくった例（マンガ・ラップ）*/
.example2 { display: grid; grid-template-columns: auto 1fr; gap: 2.8rem; align-items: center; margin-top: 1.5cqh; }
.ex-media { height: 64cqh; display: flex; align-items: center; justify-content: center; }
.ex-media img { max-height: 100%; max-width: 100%; object-fit: contain; border-radius: 10px; box-shadow: 0 12px 30px rgba(31,41,55,0.18); }
.ex-lead { font-size: clamp(1.7rem, 3cqw, 2.5rem); font-weight: 800; color: var(--text); line-height: 1.35; margin: 0 0 1rem; }
.ex-lead b { color: var(--primary-accent); }
.ex-desc { font-size: clamp(1.25rem, 2.1cqw, 1.7rem); color: var(--text-secondary); line-height: 1.55; margin: 0; }
.ex-desc b { color: var(--primary-accent); }
.ex-ph { width: clamp(300px, 34cqw, 440px); height: 64cqh; border: 2px dashed var(--muted); border-radius: 14px; background: var(--surface-light);
display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .6rem; color: var(--muted); text-align: center; padding: 1rem; }
.ex-ph .big { font-size: 3.2rem; }
.ex-ph .fn { font-family: var(--font-en); font-weight: 700; color: var(--text-secondary); font-size: clamp(1rem, 1.6cqw, 1.3rem); }
section:has(.prep-two) h2, section:has(.howto3) h2 { font-size: clamp(1.9rem, 3.5cqw, 2.8rem); }
/* 補足スライド（うまく開かないとき系）はメインと区別 */
section:has(.prep-two), section:has(.howto3) { background: linear-gradient(160deg, #edeae4, #e5e2db); --tag: var(--muted); }
section:has(.prep-two) h2, section:has(.howto3) h2 { color: var(--text-secondary); }
.supp-badge { position: absolute; top: 5.5cqh; right: 6cqw; z-index: 6; display: inline-flex; align-items: center; gap: .35em;
background: var(--muted); color: #fff; font-weight: 800; letter-spacing: .06em; font-size: clamp(1rem, 1.55cqw, 1.3rem);
padding: .35em 1.05em; border-radius: 999px; }
.h2note { font-size: .62em; font-weight: 700; color: var(--primary-accent); }
/* YouTube「安野貴博の自由研究」案内（クロージング）*/
.yt-promo { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 1.2rem; margin-top: 4cqh; }
.yt-ico { width: clamp(5rem, 8cqw, 7rem); height: clamp(3.5rem, 5.6cqw, 4.9rem); background: #dd425f; border-radius: 18px;
display: flex; align-items: center; justify-content: center; box-shadow: 0 12px 30px rgba(221,66,95,0.3); }
.yt-ico::after { content: ""; border-style: solid; border-width: 1.1rem 0 1.1rem 1.8rem; border-color: transparent transparent transparent #fff; margin-left: .35rem; }
.yt-title { font-size: clamp(2rem, 3.7cqw, 3rem); font-weight: 800; color: var(--text); margin: 0; line-height: 1.3; }
.yt-title b { color: var(--pink); }
.yt-desc { font-size: clamp(1.4rem, 2.4cqw, 1.95rem); color: var(--text-secondary); line-height: 1.6; margin: 0; font-weight: 600; }
.yt-desc b { color: var(--primary-accent); }
/* ライセンス（CC BY 4.0）*/
.cc-box { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 1rem; margin-top: 2.5cqh; }
.cc-badges { display: flex; gap: .5rem; }
.cc-b { width: clamp(3rem, 5cqw, 4.2rem); height: clamp(3rem, 5cqw, 4.2rem); border-radius: 50%; background: #1f2937; color: #fff;
display: flex; align-items: center; justify-content: center; font-weight: 800; font-family: var(--font-en); font-size: clamp(1.1rem, 1.9cqw, 1.55rem); }
.cc-main { font-size: clamp(1.5rem, 2.7cqw, 2.1rem); font-weight: 800; color: var(--text); margin: 0; line-height: 1.4; }
.cc-main b { color: var(--primary-accent); }
.cc-sub { font-size: clamp(1.2rem, 2cqw, 1.6rem); color: var(--text-secondary); line-height: 1.6; margin: 0; }
.cc-url { font-family: var(--font-en); font-size: clamp(1.05rem, 1.75cqw, 1.4rem); color: var(--primary-accent); margin: 0; }
.cc-note { font-size: clamp(1rem, 1.6cqw, 1.3rem); color: var(--muted); line-height: 1.55; margin: .3rem auto 0; max-width: 44em; }
.ai-credit { font-size: clamp(.95rem, 1.5cqw, 1.2rem); color: var(--muted); line-height: 1.5; margin: .6rem 0 0; }
/* ラップ（議員⇄政府バトル）*/
.rap-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem 1.8rem; margin-top: 2cqh; }
.rap-card { border-radius: 14px; padding: 1.1rem 1.4rem; box-shadow: 0 6px 18px rgba(31,41,55,0.08); }
.rap-card.giin { background: color-mix(in srgb, var(--primary) 10%, white); border: 1.5px solid color-mix(in srgb, var(--primary) 42%, transparent); }
.rap-card.gov { background: color-mix(in srgb, var(--pink) 9%, white); border: 1.5px solid color-mix(in srgb, var(--pink) 38%, transparent); }
.rap-spk { font-weight: 800; font-size: clamp(1.2rem, 2cqw, 1.55rem); margin-bottom: .35rem; }
.rap-card.giin .rap-spk { color: var(--primary-accent); }
.rap-card.gov .rap-spk { color: var(--pink); }
.rap-lines { font-size: clamp(1.1rem, 1.85cqw, 1.5rem); line-height: 1.5; color: var(--text); font-weight: 600; }
.ex-hero { display: flex; align-items: center; justify-content: center; margin-top: 1.4cqh; }
.ex-hero img { max-height: 70cqh; max-width: 100%; object-fit: contain; border-radius: 12px; box-shadow: 0 14px 34px rgba(31,41,55,0.2); }
.infocards { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: .6rem; align-items: stretch; }
.infocard {
--c: var(--primary);
background: var(--surface); border: 2px solid color-mix(in srgb, var(--c) 45%, #a9b0aa); border-radius: 20px;
padding: 1.3rem 2rem 1.4rem; position: relative; overflow: hidden;
box-shadow: 0 10px 26px rgba(31,41,55,0.16);
display: flex; flex-direction: column; justify-content: flex-start;
}
.infocard.warm { --c: var(--star); }
/* 右上にうっすらアクセント色のにじみ */
.infocard::after {
content:""; position:absolute; right:-40px; top:-40px; width:160px; height:160px; border-radius:50%;
background: color-mix(in srgb, var(--c) 16%, transparent);
}
/* 丸アイコンバッジ */
.ic-badge {
width: 5.2rem; height: 5.2rem; border-radius: 50%; display: flex; align-items: center; justify-content: center;
font-size: 2.9rem; line-height: 1; margin-bottom: 1.4rem;
background: color-mix(in srgb, var(--c) 18%, white);
border: 2px solid color-mix(in srgb, var(--c) 45%, transparent);
}
.infocard h3 {
font-size: clamp(1.95rem, 3.4cqw, 2.85rem); color: var(--text); margin-bottom: .65rem; line-height: 1.2;
min-height: 2.35em; display: flex; flex-direction: column; justify-content: center;
}
.infocard .kv { margin: .35em 0 0 0; font-size: clamp(1.4rem, 2.5cqw, 2.05rem); line-height: 1.45; }
.infocard .value { border-color: var(--c); color: color-mix(in srgb, var(--c) 80%, black); }
/* ============================================================
表紙（インパクト重視）— 全面ティールグラデ + 動く光
============================================================ */
.cover {
align-items: center; justify-content: center; text-align: center;
color: #fff; overflow: hidden;
background:
radial-gradient(60% 80% at 18% 12%, rgba(188,236,211,0.45), transparent 60%),
linear-gradient(125deg, #0a6d5d 0%, #1f9d8b 42%, #56cdbc 78%, #7fe0d3 100%);
background-size: 170% 170%;
animation: coverPan 18s ease-in-out infinite alternate;
}
@keyframes coverPan { from { background-position: 0% 0%; } to { background-position: 100% 100%; } }
/* 浮遊する光の玉（左下の大きい円 / 右上の濃い円）*/
.cover::before {
content: ""; position: absolute; left: -16cqw; bottom: -26cqw; top: auto; width: 62cqw; height: 62cqw;
border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,0.20), transparent 70%);
box-shadow: none; animation: floaty 9s ease-in-out infinite alternate;
}
.cover::after {
content: ""; position: absolute; right: -12cqw; top: -16cqw; width: 44cqw; height: 44cqw;
border-radius: 50%; background: radial-gradient(circle, rgba(10,109,93,0.55), transparent 70%);
animation: floaty 12s ease-in-out infinite alternate-reverse;
}
@keyframes floaty { from { transform: translateY(0); } to { transform: translateY(34px); } }
.cover > * { position: relative; z-index: 2; }
.cover-eyebrow {
display: inline-block; font-weight: 800; letter-spacing: .16em;
font-size: clamp(1.9rem, 3.7cqw, 3.1rem); color: var(--highlight);
text-shadow: 0 2px 14px rgba(0,0,0,0.25);
background: rgba(255,255,255,0.18); border: 2px solid rgba(255,255,255,0.6);
padding: .12em .7em; border-radius: 999px; margin-bottom: 2rem; backdrop-filter: blur(4px);
animation: cvIn .7s ease both, pulseGlow 2.6s ease-in-out 1s infinite;
}
@keyframes pulseGlow { 0%,100% { box-shadow: 0 0 0 0 rgba(255,255,255,.45); } 50% { box-shadow: 0 0 0 14px rgba(255,255,255,0); } }
.cover-title {
font-family: var(--font);
font-size: clamp(3.6rem, 9.5cqw, 8.2rem); font-weight: 800; line-height: 1.06;
letter-spacing: -0.02em; color: #fff; text-shadow: 0 10px 44px rgba(0,0,0,0.28);
animation: titlePop 1s cubic-bezier(.2,.8,.2,1) .12s both;
}
@keyframes titlePop {
from { opacity: 0; transform: translateY(34px) scale(.93); filter: blur(8px); }
to { opacity: 1; transform: none; filter: none; }
}
.cover-tag {
font-size: clamp(1.6rem, 3.2cqw, 2.8rem); font-weight: 700; margin-top: 1.8rem; color: rgba(255,255,255,0.96);
animation: cvIn .8s ease .5s both;
}
.cover-meta {
font-size: clamp(1.1rem, 2cqw, 1.6rem); margin-top: 1.9rem; color: rgba(255,255,255,0.85);
animation: cvIn .8s ease .7s both;
}
.cover-meta .placeholder { background: rgba(255,255,255,0.16); border-color: rgba(255,255,255,0.55); color: #fff; font-style: normal; }
@keyframes cvIn { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }
/* 表紙では下部UIを目立たせない */
.cover ~ .footer, body:has(.cover.active) .footer { color: rgba(255,255,255,0.85); }
/* ============================================================
問いかけスライド（黒背景・白文字・中央）— 空気を変える1枚
============================================================ */
.ask {
background: radial-gradient(circle at 50% 38%, #16202c 0%, #070a0e 70%);
color: #fff; align-items: center; justify-content: center; text-align: center;
}
.ask::before { display: none; } /* 左のアクセントラインを消す */
.ask h1 {
color: #fff; font-size: clamp(3.2rem, 8.4cqw, 7rem); line-height: 1.22; letter-spacing: -0.01em;
text-shadow: 0 10px 44px rgba(0,0,0,0.5);
animation: askIn 1.1s cubic-bezier(.2,.8,.2,1) both;
}
.ask h1 .accent { color: var(--grad-start); }
/* ライトの中央寄せ転換スライド（デザインコード準拠）*/
.ask-light { align-items: center; justify-content: center; text-align: center; }
.ask-light::before { display: none; }
.ask-light h1 { font-size: clamp(2.8rem, 7cqw, 6rem); line-height: 1.16; }
.exit-note { margin-top: 2.6rem; font-size: clamp(1rem, 1.7cqw, 1.4rem); color: var(--muted); }
/* 技術スタッフ紹介（頭文字アバター）*/
.staff { display: flex; flex-wrap: wrap; gap: 1.5rem 1.6rem; justify-content: center; margin-top: 3cqh; }
section:has(.staff) h2 { margin-bottom: .4rem; }
section:has(.staff) .lead { font-size: clamp(1.5rem, 2.6cqw, 2.05rem); margin-bottom: .9rem; }
.staff-card { --av: var(--primary); width: clamp(200px, 19.8cqw, 254px); display: flex; flex-direction: column; align-items: center; gap: .7rem; text-align: center;
background: var(--surface); border: 2px solid color-mix(in srgb, var(--av) 55%, #a9b0aa); border-top: 6px solid var(--av); border-radius: 18px; padding: 1.5rem 1.1rem;
box-shadow: 0 10px 26px rgba(31,41,55,0.16); transition: transform .2s ease, box-shadow .2s ease; }
.staff-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(31,41,55,0.16); }
.staff-card:nth-child(7n+1){ --av:#2aa693; } .staff-card:nth-child(7n+2){ --av:#ff9500; } .staff-card:nth-child(7n+3){ --av:#dd425f; }
.staff-card:nth-child(7n+4){ --av:#7aa2ff; } .staff-card:nth-child(7n+5){ --av:#b48ead; } .staff-card:nth-child(7n+6){ --av:#0f8472; } .staff-card:nth-child(7n){ --av:#e8820e; }
.staff-nm { font-weight: 800; font-size: clamp(1.6rem, 2.6cqw, 2.2rem); color: var(--text); line-height: 1.25; white-space: nowrap; }
.staff-nm rt { font-size: .42em; font-weight: 700; color: var(--text-secondary); }
.staff-roles { display: flex; flex-wrap: nowrap; gap: .45rem; justify-content: center; }
.staff-role2 { display: inline-block; white-space: nowrap; font-weight: 800; font-size: clamp(1rem, 1.55cqw, 1.28rem);
color: var(--primary-accent); background: color-mix(in srgb, var(--primary) 12%, white); border: 1px solid color-mix(in srgb, var(--primary) 35%, transparent); padding: .18em .8em; border-radius: 10px; }
.staff-af { font-size: clamp(.9rem, 1.35cqw, 1.15rem); color: var(--text-secondary); margin-top: .3rem; }
.staff-card .staff-duty { color: var(--text); font-weight: 700; font-size: clamp(1.05rem, 1.8cqw, 1.35rem); margin-top: .15rem; }
.staff-card .staff-bio { color: var(--text-secondary); font-size: clamp(.95rem, 1.55cqw, 1.2rem); line-height: 1.5; margin-top: .55rem; text-align: left; }
.staff-card .staff-bio b { color: var(--text); }
/* スタッフ詳細プロフィール（写真 + 経歴など）*/
.sprofile { display: grid; grid-template-columns: clamp(220px, 26cqw, 340px) 1fr; gap: 2.6rem; align-items: center; margin-top: 1rem; }
.sprofile-name { font-size: clamp(2rem, 3.6cqw, 3rem); font-weight: 800; color: var(--text); line-height: 1.15; }
.sprofile-role { color: var(--primary-accent); font-weight: 700; font-size: clamp(1.3rem, 2.2cqw, 1.8rem); margin-top: .3rem; }
.sprofile-duty { margin-top: .8rem; font-size: clamp(1.2rem, 2cqw, 1.6rem); color: var(--text); }
.sprofile-duty b { color: var(--primary-accent); }
.facts { margin-top: 1.4rem; display: flex; flex-direction: column; gap: .85rem; }
.fact { display: flex; gap: 1rem; align-items: baseline; }
.flabel {
flex: 0 0 auto; background: color-mix(in srgb, var(--primary) 14%, white); color: var(--primary-accent);
border: 1px solid color-mix(in srgb, var(--primary) 40%, transparent); border-radius: 8px;
padding: .15em .7em; font-weight: 800; font-size: clamp(1rem, 1.6cqw, 1.3rem); white-space: nowrap;
}
.ftext { font-size: clamp(1.1rem, 1.9cqw, 1.55rem); color: var(--text); line-height: 1.45; }
.ftext b { color: var(--primary-accent); }
/* 本日のアジェンダ（2×2グリッド）*/
.agenda { display: grid; grid-template-columns: 1fr 1fr; gap: 1.8rem 2rem; margin-top: 2.8cqh; }
.ag-item { --ac: var(--primary); display: flex; align-items: stretch; gap: 1.5rem; }
.ag-item.a1 { --ac: #ff9500; } .ag-item.a2 { --ac: #dd425f; } .ag-item.a3 { --ac: #b48ead; } .ag-item.a4 { --ac: var(--primary); }
.ag-num { flex: 0 0 auto; align-self: center; width: clamp(3.6rem, 5.2cqw, 5rem); height: clamp(3.6rem, 5.2cqw, 5rem); border-radius: 50%;
background: linear-gradient(135deg, var(--ac), color-mix(in srgb, var(--ac) 58%, #0a1422)); color: #fff;
display: flex; align-items: center; justify-content: center; font-family: var(--font-en); font-weight: 800;
font-size: clamp(1.7rem, 2.8cqw, 2.5rem); box-shadow: 0 6px 18px rgba(31,41,55,0.2); }
section.agenda-slide {
background:
radial-gradient(900px 620px at 86% -12%, rgba(31,209,193,0.22), transparent 55%),
radial-gradient(760px 520px at -5% 112%, rgba(122,162,255,0.16), transparent 55%),
linear-gradient(160deg, #eef6f3, #f7f4ee);
}
.ag-card { flex: 1; display: flex; flex-direction: column; justify-content: center; gap: .2rem;
background: rgba(255,255,255,0.5); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
border: 1px solid rgba(255,255,255,0.75); border-left: 7px solid var(--ac);
border-radius: 18px; padding: 1.8rem 2rem; box-shadow: 0 8px 24px rgba(31,41,55,0.1); }
.ag-card .ag-text { flex: 1; }
.ag-card h3 { font-size: clamp(1.8rem, 3.1cqw, 2.6rem); color: var(--text); margin: 0; }
.ag-card p { font-size: clamp(1.25rem, 2.1cqw, 1.7rem); color: var(--text-secondary); margin: .3rem 0 0; }
.ag-icon { display: none; }
/* 本日のアジェンダ（横タイムライン・1時間の流れ）*/
.agenda-tl { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: 1fr auto 1fr; align-items: center; margin-top: 4cqh; min-height: 52cqh; }
section:has(.agenda-tl) h2 { font-size: clamp(2.4rem, 5cqw, 4rem); }
.tl-line { grid-column: 1 / -1; grid-row: 2; height: 6px; border-radius: 6px; background: linear-gradient(90deg, #2aa693, #ff9500, #b48ead, #0f8472); }
.tl-dot { --c: var(--primary); grid-row: 2; justify-self: center; align-self: center; position: relative; z-index: 2;
width: clamp(4.6rem, 6.4cqw, 6.6rem); height: clamp(4.6rem, 6.4cqw, 6.6rem); box-sizing: border-box;
border-radius: 50%; background: #fff; border: 6px solid var(--c); color: var(--c);
display: flex; align-items: center; justify-content: center; font-family: var(--font-en); font-weight: 800; line-height: 1;
font-size: clamp(2.1rem, 3.2cqw, 2.9rem); box-shadow: 0 6px 16px rgba(31,41,55,0.18); }
.tl-dot.n1 { --c: #2aa693; } .tl-dot.n2 { --c: #ff9500; } .tl-dot.n3 { --c: #b48ead; } .tl-dot.n4 { --c: #0f8472; }
.tl-card { --c: var(--primary); justify-self: center; text-align: center; width: clamp(190px, 23cqw, 300px); }
.tl-card.above { grid-row: 1; align-self: end; padding-bottom: 1.5rem; }
.tl-card.below { grid-row: 3; align-self: start; padding-top: 1.5rem; }
.tl-card.c1 { --c: #2aa693; } .tl-card.c2 { --c: #ff9500; } .tl-card.c3 { --c: #b48ead; } .tl-card.c4 { --c: #0f8472; }
.tl-time { display: inline-block; font-family: var(--font-en); font-weight: 800; color: #fff; background: var(--c); padding: .18em .95em; border-radius: 999px; font-size: clamp(1.3rem, 2cqw, 1.75rem); }
.tl-title { font-weight: 800; color: var(--text); font-size: clamp(1.9rem, 3.2cqw, 2.8rem); margin-top: .55rem; }
.tl-sub { color: var(--text-secondary); font-size: clamp(1.3rem, 2cqw, 1.7rem); margin-top: .35rem; line-height: 1.35; }
@keyframes askIn {
from { opacity: 0; transform: translateY(28px) scale(.96); filter: blur(6px); letter-spacing: .04em; }
to { opacity: 1; transform: none; filter: none; letter-spacing: -0.01em; }
}
/* ============================================================
対比スライド（黒背景・イラスト主役）これまで → これから
============================================================ */
.contrast {
background: radial-gradient(circle at 50% 28%, #16202c 0%, #070a0e 75%);
color: #fff; justify-content: center; padding-top: 3cqh; padding-bottom: 3cqh;
}
.contrast::before { display: none; }
.contrast-title { text-align: center; font-size: clamp(2.2rem, 4.4cqw, 3.6rem); font-weight: 800; color: #fff; margin-bottom: 1.8cqh; }
.contrast-title .accent { color: var(--grad-start); }
.contrast-grid { display: grid; grid-template-columns: 1fr auto 2.1fr; align-items: start; gap: 1.8cqw; padding-top: .8rem; }
.cgroup { display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.cgroup-panels { display: flex; gap: 1.4cqw; width: 100%; }
.cgroup-panels .cpanel { flex: 1; }
.cpanel { display: flex; flex-direction: column; align-items: center; text-align: center; gap: .8rem; }
.cpanel-art { width: 100%; display: flex; justify-content: center; align-items: center; height: 39cqh; position: relative; }
.cpanel-art img {
width: 100%; max-width: 480px; height: 39cqh; object-fit: cover;
border-radius: 16px; border: 1px solid rgba(255,255,255,0.16);
box-shadow: 0 14px 32px rgba(0,0,0,0.5);
}
.cpanel-label {
font-weight: 800; letter-spacing: .06em; font-size: clamp(1.8rem, 3.4cqw, 2.9rem); line-height: 1.2;
position: relative; padding-bottom: .28em;
}
.cpanel-label::after { content: ""; position: absolute; left: 50%; transform: translateX(-50%); bottom: 0;
width: 2.6rem; height: 4px; border-radius: 3px; background: currentColor; opacity: .85; }
.past .cpanel-label { color: #aebccb; }
.future .cpanel-label { color: var(--grad-start); }
.cpanel-desc { font-size: clamp(1.3rem, 2.1cqw, 1.75rem); line-height: 1.35; margin-top: .3rem; }
.past .cpanel-desc { color: #aebccb; }
.past .cpanel-desc b { color: #e3ebf2; }
.future .cpanel-desc { color: #eafffb; }
.future .cpanel-desc b { color: var(--grad-start); }
.vibe-note { display: inline-block; margin-top: .6em; color: #0a1422; font-weight: 800; font-size: .92em;
background: linear-gradient(120deg, #64d8c6, #bcecd3); padding: .25em .8em; border-radius: 10px; box-shadow: 0 4px 14px rgba(31,209,193,0.35); }
/* 作例③（黒背景・画像入りカード）*/
.ex3 { display: grid; grid-template-columns: 1fr 1fr; gap: 2.4rem; margin-top: 2.4cqh; align-items: stretch; }
.ex3-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.14);
border-radius: 18px; overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 10px 26px rgba(0,0,0,0.4); }
.ex3-card img { width: 100%; height: 48cqh; object-fit: contain; background: #0d141c; display: block; }
.ex3-card.viz img { object-fit: cover; object-position: left center; }
.ex3-card.meta { border: 2px solid color-mix(in srgb, var(--grad-start) 55%, transparent);
background: linear-gradient(135deg, rgba(31,209,193,0.2), rgba(122,162,255,0.12));
display: flex; align-items: center; justify-content: center; text-align: center; }
.ex3-card.meta .ex3-body { padding: 1.2rem 1.1rem; }
.ex3-card.meta h3 { font-size: clamp(1.4rem, 2.3cqw, 1.85rem); }
.ex3-card.meta p { color: #eafffb; font-size: clamp(1.05rem, 1.75cqw, 1.4rem); line-height: 1.5; }
/* 実際の画面スライド */
.realshots { display: grid; grid-template-columns: 1fr 1fr; gap: 1.8rem; margin-top: 1.8cqh; }
.realshot { margin: 0; display: flex; flex-direction: column; gap: .8rem; }
.flip { perspective: 1600px; height: 60cqh; }
.flip-inner { position: relative; width: 100%; height: 100%; transform-style: preserve-3d;
transition: transform 1s cubic-bezier(.45,.05,.2,1); }
/* スライドが表示されたら、イラスト→実際の画面へめくれる */
section.active .realshot .flip-inner { transform: rotateY(180deg); transition-delay: .8s; }
.flip-face { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden;
border-radius: 16px; overflow: hidden; border: 1px solid #5f6b78; box-shadow: 0 16px 38px rgba(0,0,0,0.5); background: #0d141c; }
.flip-face img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; }
/* 裏面（実際の画面）は横幅を切らずに全体表示。余白は黒、枠はグレー細線 */
.flip-back { transform: rotateY(180deg); }
.flip-back img { object-fit: contain; background: #0d141c; }
.realshot figcaption { text-align: center; color: #eafffb; font-weight: 800; font-size: clamp(1.6rem, 2.8cqw, 2.3rem); }
.realframe { height: 40cqh; border-radius: 14px; overflow: hidden; background: #0d141c; border: 1px solid #5f6b78; }
.realframe img { width: 100%; height: 100%; object-fit: contain; display: block; }
.realdesc { margin: 0; color: #cfe9e4; font-size: clamp(1.1rem, 1.85cqw, 1.5rem); line-height: 1.42; text-align: left; }
.realdesc b { color: var(--grad-start); }
/* 1画面=1スライド（大きく見せる）*/
.onebig { display: flex; flex-direction: column; align-items: center; gap: .7rem; margin-top: 1cqh; }
.onebig-frame { width: 100%; height: 45cqh; display: flex; align-items: center; justify-content: center; }
.onebig-frame img { max-width: 100%; max-height: 100%; object-fit: contain; display: block; border-radius: 10px; box-shadow: 0 14px 34px rgba(0,0,0,0.5); }
.onebig-cap { margin: 0; color: #eafffb; font-weight: 800; font-size: clamp(1.7rem, 2.9cqw, 2.4rem); text-align: center; }
.onebig-desc { margin: 0; color: #cfe9e4; font-size: clamp(1.25rem, 2.1cqw, 1.75rem); line-height: 1.4; text-align: center; }
.onebig-desc b { color: var(--grad-start); }
/* 1画面=1スライド（縦長/正方形画像は左右分割で大きく）*/
.onebig-split { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2.6rem; align-items: center; margin-top: 1.4cqh; }
.onebig-split .onebig-frame { height: 69cqh; }
.onebig-split .ob-text { display: flex; flex-direction: column; gap: 1.1rem; align-items: flex-start; }
.onebig-split .onebig-cap { text-align: left; font-size: clamp(2rem, 3.5cqw, 3rem); }
.onebig-split .onebig-desc { text-align: left; font-size: clamp(1.45rem, 2.5cqw, 2.1rem); }
/* 枠なし・画像を最大化（横長スクショ向け）*/
.onebig.nf { gap: .45rem; margin-top: .6cqh; }
.onebig.nf .onebig-frame { height: auto; border: none; background: none; border-radius: 0; }
.onebig.nf .onebig-frame img { max-height: 65cqh; max-width: 100%; border-radius: 8px; }
.onebig.nf .onebig-cap { font-size: clamp(1.6rem, 2.5cqw, 2.05rem); }
.onebig.nf .onebig-desc { font-size: clamp(1.15rem, 1.9cqw, 1.5rem); }
section.darkbg:has(.onebig.nf) h2 { font-size: clamp(2rem, 3.7cqw, 2.9rem); margin-bottom: .3rem; padding-bottom: .3rem; }
.ex3-body { padding: 1.4rem 1.7rem; }
.ex3-card h3 { color: #fff; font-size: clamp(1.5rem, 2.6cqw, 2.1rem); margin: 0 0 .4rem; line-height: 1.25; }
.ex3-card p { color: #c3d1de; font-size: clamp(1.15rem, 1.95cqw, 1.55rem); line-height: 1.5; margin: 0; }
.ex3-card p b { color: var(--grad-start); }
.contrast-arrow {
align-self: center; width: clamp(3.2rem, 5cqw, 4.8rem); height: clamp(3.2rem, 5cqw, 4.8rem); border-radius: 50%;
background: linear-gradient(120deg, #0f8472, #2aa693); color: #fff; display: flex; align-items: center; justify-content: center;
font-size: clamp(1.9rem, 3cqw, 2.8rem); font-weight: 800; line-height: 1; box-shadow: 0 8px 22px rgba(15,132,114,0.45);
}
/* 「本日はここを学びます」バッジ（枠の下・左）*/
.today-badge {
flex: 0 0 auto; white-space: nowrap; font-weight: 800; letter-spacing: .02em;
font-size: clamp(1.1rem, 1.95cqw, 1.5rem);
background: linear-gradient(120deg, #0f8472, #2aa693); color: #fff;
padding: .4em 1em; border-radius: 12px; box-shadow: 0 8px 22px rgba(15,132,114,0.4);
}
/* 本日学ぶ(today)以外のパネルは透過の黒で少し暗く（再掲スライドのみ）*/
.learn-today .cpanel:not(.today) .cpanel-art::after {
content: ""; position: absolute; inset: 0; border-radius: 16px;
background: rgba(3,7,11,0.48); z-index: 2; pointer-events: none;
}
.learn-today .cpanel:not(.today) .cpanel-desc { opacity: .6; }
.learn-today .cgroup.past .cpanel-label { opacity: .7; }
/* 写真3枚はslide7と同じ等幅・39cqh・同位置（いじらない）*/
.learn-today .cpanel-art, .learn-today .cpanel-art img { height: 39cqh; }
.learn-today .cpanel.today { position: relative; gap: 0; }
/* 枠：写真＋説明を囲む（写真位置を動かさないよう負マージンで相殺）*/
.today-box { position: relative; border: 3px solid var(--grad-start); border-radius: 14px; padding: 5px 7px 8px; margin: -8px -10px 0;
background: rgba(42,166,147,0.08); display: flex; flex-direction: column; gap: .35rem; box-shadow: 0 14px 32px rgba(0,0,0,0.4); }
.today-box .cpanel-art img { box-shadow: 0 8px 20px rgba(0,0,0,0.4); }
.today-box .cpanel-desc { margin: 0; text-align: center; color: #eafffb; font-size: clamp(1.2rem, 2cqw, 1.55rem); white-space: nowrap; }
.today-box .cpanel-desc b { color: var(--grad-start); }
/* バッジ＋注記：枠の下に絶対配置。右の自律パネルに被ってOK（レイアウトは動かさない）*/
.today-cap { position: absolute; top: calc(100% + 10px); left: 0; width: 196%; z-index: 5;
display: flex; flex-direction: row; align-items: stretch; gap: .7rem; }
.learn-today .today-badge { flex: 0 0 auto; white-space: nowrap; font-size: clamp(1.2rem, 1.98cqw, 1.6rem); padding: .42em .95em;
display: flex; align-items: center; justify-content: center; }
.learn-today .vibe-note { flex: 1; margin: 0; white-space: normal; line-height: 1.3;
font-size: clamp(1.2rem, 1.98cqw, 1.6rem); padding: .45em .9em; display: flex; align-items: center; }
/* ============================================================
作例ショーケース（画像 + タイトル + 説明）2枚並び
============================================================ */
.showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: .8rem; }
.showcase-card {
position: relative; border-radius: 20px; overflow: hidden; height: 76cqh;
border: 1px solid rgba(255,255,255,0.14); box-shadow: 0 16px 38px rgba(0,0,0,0.5); background: #0d141c;
}
.showcase-card img { width: 100%; height: 100%; object-fit: cover; object-position: center top; display: block; }
.showcase-ph {
position: absolute; inset: 0; display: none; align-items: center; justify-content: center; text-align: center;
background: var(--surface-light); color: var(--muted); font-size: 1.1rem; padding: 1rem; line-height: 1.5;
}
/* 写真の上にのせる図形（下からのグラデ）＋白文字 */
.showcase-overlay {
position: absolute; left: 0; right: 0; bottom: 0; padding: .8rem 1.5rem .85rem;
background: linear-gradient(to top, rgba(7,10,14,0.96) 0%, rgba(7,10,14,0.78) 62%, rgba(7,10,14,0.22) 90%, transparent 100%);
}
.showcase-overlay h3 { color: #fff; font-size: clamp(1.7rem, 3cqw, 2.45rem); margin-bottom: .15rem; }
.showcase-overlay p { color: rgba(255,255,255,0.97); font-size: clamp(1.25rem, 2cqw, 1.65rem); line-height: 1.3; }
.showcase-overlay p b { color: var(--grad-start); }
/* ============================================================
スマホ枠の作例（縦長スクショ + タイトル + リンク）
============================================================ */
/* スマホ作例スライド：テキストは上、スマホは大きく（下は画面外にはみ出てOK）*/
section.phoneslide { justify-content: flex-start; padding-top: 3cqh; padding-bottom: 0; overflow: hidden; }
.phoneslide h2 { font-size: clamp(2.4rem, 5cqw, 4rem); margin-bottom: .5rem; }
/* 「その他こんなことも」帯（上部に表示）*/
.more { margin: .2rem 0 .9rem; display: flex; flex-wrap: wrap; gap: .8rem; justify-content: center; align-items: center; }
.more-label { color: rgba(255,255,255,0.78); font-weight: 700; font-size: clamp(1rem, 1.7cqw, 1.4rem); }
.more-chip {
background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.22); border-radius: 999px;
padding: .4em 1.1em; color: #eafffb; font-size: clamp(1rem, 1.7cqw, 1.35rem); text-decoration: none; transition: border-color .2s;
}
.more-chip:hover { border-color: var(--grad-start); }
.phoneshow { display: grid; grid-template-columns: 1fr 1fr; gap: 3cqw; margin-top: .4rem; align-items: start; justify-items: center; }
.phonecol { display: flex; flex-direction: column; align-items: center; width: 100%; }
.phonecap {
align-self: center; color: #fff; text-align: center; margin-bottom: 1.1rem; line-height: 1.25; font-weight: 800;
font-size: clamp(1.9rem, 3.2cqw, 2.8rem); position: relative; padding-bottom: .28em;
}
.phonecap::after { content: ""; position: absolute; left: 50%; transform: translateX(-50%); bottom: 0;
width: 2.6rem; height: 4px; border-radius: 3px; background: var(--grad-start); }
.phoneframe {
position: relative; width: 41cqw; max-width: 41cqw; aspect-ratio: 9 / 16; height: auto;
border-radius: 30px 30px 0 0; overflow: hidden; border: 8px solid #2a3647; border-bottom: none;
background: var(--surface-light); box-shadow: 0 20px 46px rgba(0,0,0,0.55);
}
.phoneframe img, .phoneframe video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; }
.phone-ph {
position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
text-align: center; color: var(--muted); background: var(--surface-light); font-size: 1rem; padding: 1rem; line-height: 1.6;
}
/* ============================================================
黒背景の3本立て（理由）スライド
============================================================ */
.darkbg { background: radial-gradient(circle at 50% 16%, #16202c 0%, #070a0e 75%); color: #fff; justify-content: center; }
.darkbg::before { display: none; }
.darkbg h2 { color: #fff; }
.darkbg h2::after { display: none; }
/* 背景に写真を敷き、透過した黒を重ねる（明るめ）*/
section.bg-industrial {
background: linear-gradient(rgba(7,10,14,0.48), rgba(7,10,14,0.56)), url('sjb3949-steam-train-502120.jpg') center center / cover no-repeat;
}
section.bg-industrial h2 { text-shadow: 0 3px 18px rgba(0,0,0,0.6); }
/* この背景ではカードを不透明に */
section.bg-industrial .rcard { background: #11202c; border-color: rgba(255,255,255,0.2); }
/* この背景では文字を大きめに */
section.bg-industrial h2 { font-size: clamp(2.4rem, 4.8cqw, 3.8rem); }
section.bg-industrial .rcard h3 { font-size: clamp(2rem, 3.6cqw, 3rem); }
section.bg-industrial .rcard p { font-size: clamp(1.5rem, 2.5cqw, 2.1rem); }
section.bg-industrial .rcard .rnum { font-size: clamp(3.4rem, 6cqw, 5.2rem); }
/* 国会議事堂の背景（暗め・カード不透明）*/
section.bg-diet {
background: linear-gradient(rgba(7,10,14,0.50), rgba(7,10,14,0.62)), url('diet-building.jpg') center center / cover no-repeat;
}
section.bg-diet h2 { text-shadow: 0 3px 18px rgba(0,0,0,0.6); }
section.bg-diet .rcard { background: #11202c; border-color: rgba(255,255,255,0.2); }
/* カードを並べるスライドは左右余白を詰めてカードを広く */
section:has(.reasons) { padding-left: 4cqw; padding-right: 4cqw; }
.reasons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 2.4cqh; align-items: stretch; }
.rcard {
background: rgba(255,255,255,0.045); border: 1px solid rgba(255,255,255,0.12);
border-top: 4px solid var(--primary); border-radius: 18px; padding: 1.2rem 1.4rem 1.3rem;
display: flex; flex-direction: column;
}
.rcard h3 { text-wrap: balance; }
.rcard .rnum {
font-family: var(--font-en); font-size: clamp(3.4rem, 6cqw, 5.2rem); font-weight: 800; line-height: 1;
background: linear-gradient(120deg, #0f8472, #2aa693, #64d8c6);
-webkit-background-clip: text; background-clip: text; color: transparent;
margin-bottom: .35rem;
}
.rcard h3 { font-size: clamp(2rem, 3.6cqw, 3rem); color: #fff; line-height: 1.2; margin-bottom: .5rem; font-weight: 800; }
.rcard p { font-size: clamp(1.5rem, 2.5cqw, 2.1rem); line-height: 1.45; color: #c3d1de; margin: 0; }
.rcard p b { color: inherit; font-weight: 400; }
.rcard .eg { color: #9fd8cf; margin-top: .6em; font-size: clamp(1.3rem, 2cqw, 1.7rem); }