/* Team NEX Academy — ネイビー基調＋ゴールド。大きめ文字・高コントラスト */
:root{
  --navy:#0e2340; --navy2:#16325c; --navy3:#23477d;
  --gold:#c99a2e; --gold-l:#f3dd9a; --gold-d:#8a6510;
  --ink:#111a2b; --ink2:#34405a; --line:#cfd6e3;
  --bg:#f5f7fb; --card:#ffffff; --ok:#11734b; --ok-bg:#e5f5ec; --warn:#9a3412; --warn-bg:#fdeee4;
  --lock:#5b6477; --lock-bg:#eef1f6;
  --r:14px; --shadow:0 2px 10px rgba(14,35,64,.08);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:18px/1.8 "Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic UI","Meiryo",sans-serif;overflow-x:hidden}
a{color:var(--navy3);text-underline-offset:3px}
img{max-width:100%}
h1,h2,h3{line-height:1.4;margin:0 0 .5em}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.narrow{max-width:760px}

/* ヘッダー */
.hdr{background:var(--navy);color:#fff;position:sticky;top:0;z-index:20;border-bottom:3px solid var(--gold)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;letter-spacing:.04em;font-size:19px}
.brand .mark{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:9px;background:var(--gold);color:var(--navy);font-weight:900;font-size:15px}
.brand small{display:block;font-weight:600;font-size:12px;color:var(--gold-l);letter-spacing:.12em}
.hdr nav{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.hdr nav a{color:#fff;text-decoration:none;font-weight:700;font-size:16px;padding:8px 12px;border-radius:9px}
.hdr nav a:hover,.hdr nav a.on{background:var(--navy3)}

/* ボタン */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:10px 24px;border-radius:12px;border:2px solid transparent;font:inherit;font-weight:800;font-size:18px;text-decoration:none;cursor:pointer;line-height:1.3;text-align:center}
.btn-gold{background:var(--gold);color:var(--navy);border-color:var(--gold)}
.btn-gold:hover{background:#dcae3f}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy2)}
.btn-line{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn-ghost{background:transparent;color:#fff;border-color:#fff}
.btn-sm{min-height:40px;padding:6px 14px;font-size:16px}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btns{display:flex;flex-wrap:wrap;gap:12px}

/* ヒーロー */
.hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy2) 70%,#1d3d6e 100%);color:#fff;padding:64px 0 72px}
.hero .eyebrow{display:inline-block;color:var(--navy);background:var(--gold-l);font-weight:800;border-radius:999px;padding:4px 14px;font-size:15px;letter-spacing:.08em}
.hero h1{font-size:clamp(30px,5.4vw,50px);margin:18px 0 12px;letter-spacing:.02em}
.hero h1 em{font-style:normal;color:var(--gold-l)}
.hero p.lead{font-size:clamp(18px,2.4vw,21px);max-width:720px;color:#e8eef8}
.hero .btns{margin-top:28px}

/* セクション */
.sec{padding:56px 0}
.sec.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec h2{font-size:clamp(24px,3.6vw,32px);color:var(--navy)}
.sec h2::after{content:"";display:block;width:56px;height:4px;background:var(--gold);border-radius:2px;margin-top:10px}
.sec .sub{color:var(--ink2);margin-top:-4px}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:820px){.g2,.g3{grid-template-columns:1fr}}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.card h3{font-size:21px;color:var(--navy)}
.num{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--navy);color:var(--gold-l);font-weight:900;font-size:19px;margin-bottom:8px}

/* 料金比較 */
.plans{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:stretch}
@media (max-width:820px){.plans{grid-template-columns:1fr}}
.plan{background:#fff;border:2px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column}
.plan.adv{border-color:var(--gold);box-shadow:0 6px 24px rgba(201,154,46,.22);position:relative}
.plan.adv .ribbon{position:absolute;top:-15px;left:22px;background:var(--gold);color:var(--navy);font-weight:900;font-size:14px;padding:3px 14px;border-radius:999px}
.plan h3{font-size:24px;color:var(--navy);margin:0}
.price{font-size:40px;font-weight:900;color:var(--navy);margin:8px 0 2px}
.price small{font-size:17px;font-weight:700;color:var(--ink2)}
.plan ul{list-style:none;padding:0;margin:16px 0 22px;flex:1}
.plan li{padding:8px 0 8px 34px;position:relative;border-bottom:1px dashed var(--line)}
.plan li::before{content:"✓";position:absolute;left:4px;top:7px;font-weight:900;color:var(--ok)}
.plan li.no{color:var(--lock)}
.plan li.no::before{content:"🔒";font-size:15px;top:9px}

table.cmp{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r);overflow:hidden;font-size:17px}
table.cmp th,table.cmp td{border:1px solid var(--line);padding:12px 10px;text-align:center}
table.cmp th:first-child,table.cmp td:first-child{text-align:left}
table.cmp thead th{background:var(--navy);color:#fff}
table.cmp thead th.adv{background:var(--gold);color:var(--navy)}
.yes{color:var(--ok);font-weight:900}
.nope{color:var(--lock)}
.tbl-scroll{overflow-x:auto}

/* 注意・補足 */
.note{background:#eef3fb;border-left:5px solid var(--navy3);padding:14px 16px;border-radius:8px;margin:14px 0}
.warn{background:var(--warn-bg);border-left:5px solid var(--warn);color:#5a1d05;padding:14px 16px;border-radius:8px;margin:14px 0}
.muted{color:var(--ink2)}
.small{font-size:16px}

/* フォーム */
.form{display:grid;gap:16px}
.form label{font-weight:800;color:var(--navy);display:block;margin-bottom:4px}
.form input[type=text],.form input[type=email],.form input[type=password],.form input[type=number],.form input[type=date],.form select,.form textarea{width:100%;font:inherit;font-size:18px;padding:12px 14px;border:2px solid #9aa6bb;border-radius:10px;background:#fff;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:3px solid var(--gold);border-color:var(--navy)}
.form textarea{min-height:120px}
.check{display:flex;gap:12px;align-items:flex-start;font-weight:600}
.check input{width:26px;height:26px;flex:none;margin-top:4px;accent-color:var(--navy)}
.err{color:#b42318;font-weight:800;min-height:1.5em}
.ok-msg{color:var(--ok);font-weight:800}
.radio-cards{display:grid;gap:10px}
.radio-cards label{display:flex;gap:12px;align-items:flex-start;border:2px solid var(--line);border-radius:12px;padding:12px 14px;font-weight:700;color:var(--ink);cursor:pointer;background:#fff}
.radio-cards input{width:22px;height:22px;margin-top:5px;accent-color:var(--navy)}

/* フッター */
.ftr{background:var(--navy);color:#dfe6f2;padding:36px 0;font-size:16px;margin-top:40px}
.ftr a{color:#fff}
.ftr .links{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:12px}

/* 会員画面 */
.app-main{padding:28px 0 60px}
.today{background:linear-gradient(150deg,var(--navy),var(--navy2));color:#fff;border-radius:18px;padding:24px;border:2px solid var(--gold)}
.today h2{color:#fff;font-size:24px}
.today .date{color:var(--gold-l);font-weight:800}
.t3{display:grid;gap:12px;margin-top:14px}
.t3 label{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.08);border:2px solid rgba(255,255,255,.25);border-radius:12px;padding:14px;cursor:pointer;font-weight:800;font-size:19px}
.t3 label.done{background:rgba(243,221,154,.18);border-color:var(--gold-l)}
.t3 input{width:30px;height:30px;flex:none;accent-color:var(--gold)}
.t3 .hint{display:block;font-weight:500;font-size:15px;color:#d5deed}
.meter{height:14px;background:rgba(255,255,255,.18);border-radius:999px;overflow:hidden;margin-top:14px}
.meter i{display:block;height:100%;background:var(--gold);width:0;transition:width .3s}

.badge{display:inline-block;font-size:14px;font-weight:800;padding:2px 10px;border-radius:999px;vertical-align:middle}
.b-free{background:#e3ebf7;color:var(--navy)}
.b-adv{background:var(--gold);color:var(--navy)}
.b-done{background:var(--ok-bg);color:var(--ok)}
.b-lock{background:var(--lock-bg);color:var(--lock)}

.module{margin-top:28px}
.module-h{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:4px}
.module-h h3{margin:0;font-size:22px;color:var(--navy)}
.lessons{display:grid;gap:10px;margin-top:10px}
.lesson{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;text-decoration:none;color:var(--ink)}
.lesson:hover{border-color:var(--navy3);box-shadow:var(--shadow)}
.lesson .ic{flex:none;width:44px;height:44px;border-radius:10px;display:grid;place-items:center;font-size:21px;background:#e3ebf7}
.lesson.locked{background:var(--lock-bg);color:var(--lock)}
.lesson.locked .ic{background:#dfe3ea}
.lesson.done .ic{background:var(--ok-bg)}
.lesson .t{font-weight:800;font-size:18px;line-height:1.5}
.lesson .s{font-size:15px;color:var(--ink2)}
.lesson.locked .s{color:var(--lock)}
.lesson .grow{flex:1;min-width:0}

.lockbox{background:#fff;border:2px dashed var(--gold);border-radius:16px;padding:24px;text-align:center}
.lockbox .big{font-size:44px}

/* レッスン本文 */
.lesson-body{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px}
.lesson-body h2{font-size:23px;color:var(--navy);margin-top:1.4em;border-bottom:2px solid var(--gold-l);padding-bottom:4px}
.lesson-body h2:first-child{margin-top:0}
.lesson-body h3{font-size:20px;color:var(--navy2);margin-top:1.2em}
.lesson-body ul,.lesson-body ol{padding-left:1.4em}
.lesson-body li{margin:4px 0}
.lesson-body code{background:#eef1f6;padding:1px 6px;border-radius:5px;font-size:.92em;word-break:break-all}
.tpl{border:2px solid var(--navy3);border-radius:12px;margin:16px 0;overflow:hidden}
.tpl .tpl-h{display:flex;justify-content:space-between;align-items:center;gap:8px;background:var(--navy);color:#fff;padding:8px 12px;font-weight:800;font-size:16px}
.tpl pre{margin:0;padding:14px;white-space:pre-wrap;word-break:break-word;font:inherit;font-size:17px;background:#fbfcfe}
.tpl .copy{background:var(--gold);color:var(--navy);border:0;border-radius:8px;font:inherit;font-weight:800;font-size:15px;padding:4px 12px;cursor:pointer}
.video{position:relative;padding-top:56.25%;border-radius:12px;overflow:hidden;background:#000;margin:14px 0}
.video iframe,.video video{position:absolute;inset:0;width:100%;height:100%;border:0}

/* 行動チェック */
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}
.kpi .k{font-weight:800;color:var(--navy);font-size:16px}
.kpi .v{font-size:30px;font-weight:900;color:var(--navy)}
.stepper{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:6px}
.stepper button{width:44px;height:44px;border-radius:10px;border:2px solid var(--navy);background:#fff;color:var(--navy);font-size:24px;font-weight:900;cursor:pointer}
.bars{display:flex;align-items:flex-end;gap:3px;height:120px;border-bottom:2px solid var(--navy);padding-top:8px}
.bars i{flex:1;background:var(--navy3);min-height:2px;border-radius:3px 3px 0 0}
.bars i.hit{background:var(--gold)}

.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 18px}
.tabs a{padding:8px 16px;border-radius:999px;border:2px solid var(--navy);text-decoration:none;font-weight:800;color:var(--navy);background:#fff}
.tabs a.on{background:var(--navy);color:#fff}

/* 管理 */
table.adm{width:100%;border-collapse:collapse;font-size:16px;background:#fff}
table.adm th,table.adm td{border:1px solid var(--line);padding:8px;vertical-align:top;text-align:left}
table.adm th{background:var(--navy);color:#fff}

.center{text-align:center}
.mt0{margin-top:0}.mt1{margin-top:12px}.mt2{margin-top:24px}.mt3{margin-top:40px}
.hide{display:none!important}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:99}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
@media (max-width:600px){
  body{font-size:17px}
  .hdr nav a{padding:6px 8px;font-size:15px}
  .brand small{display:none}
  .hero{padding:44px 0 52px}
  .btn{width:100%}
  .btns{flex-direction:column}
  .card,.plan,.lesson-body{padding:18px}
  .today{padding:18px}
}

/* ───── コラム（SEOブログ） ───── */
.col-hero{background:linear-gradient(160deg,var(--navy),var(--navy2));color:#fff;padding:34px 0 30px;border-bottom:3px solid var(--gold)}
.col-hero h1{font-size:clamp(26px,4vw,36px);margin:6px 0}
.col-hero p{color:#dfe7f3;margin:0}
.crumbs,.crumbs a{color:inherit}
.col-hero .crumbs{color:#c9d5e8}
.col-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;padding-top:26px;padding-bottom:40px}
@media (max-width:900px){.col-layout{grid-template-columns:1fr}}
.col-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.col-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:var(--ink);box-shadow:var(--shadow)}
.col-card:hover{border-color:var(--navy3)}
.col-card img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;display:block;background:#e3ebf7}
.col-card-b{padding:14px 16px}
.col-card h3{font-size:18px;color:var(--navy);margin:8px 0 6px;line-height:1.5}
.col-side .card{padding:18px}
.col-side-t{font-weight:900;color:var(--navy);border-left:5px solid var(--gold);padding-left:10px;margin:0 0 10px}
.col-cats,.col-pop{padding-left:1.3em;margin:0}
.col-cats{list-style:none;padding:0}
.col-cats li,.col-pop li{padding:6px 0;border-bottom:1px dashed var(--line);font-size:16px}
.col-article h1{font-size:clamp(25px,3.6vw,34px);color:var(--navy);margin:10px 0 6px}
.col-eye{width:100%;height:auto;border-radius:14px;margin:12px 0 18px;display:block}
.col-body{font-size:18px}
.col-body h2{font-size:24px;background:var(--navy);color:#fff;border:0;border-left:8px solid var(--gold);padding:10px 14px;border-radius:8px}
.col-body h3{border-bottom:2px solid var(--gold-l);padding-bottom:4px}
.col-tbl{margin:14px 0;font-size:16px}
.col-tbl td,.col-tbl th{text-align:left!important}
.toc{background:#f3f6fb;border:2px solid var(--line);border-radius:12px;padding:14px 18px;margin:18px 0}
.toc-t{font-weight:900;color:var(--navy);margin:0 0 4px}
.toc ol{margin:0;padding-left:1.4em}
.toc a{text-decoration:none}
.talk{display:flex;gap:12px;align-items:flex-start;margin:14px 0}
.talk img{width:72px;height:72px;border-radius:50%;flex:none;border:3px solid var(--gold-l);background:#fff;object-fit:cover}
.talk>div{position:relative;background:#fff;border:2px solid var(--navy3);border-radius:14px;padding:8px 14px;max-width:640px}
.talk p{margin:0}
.talk-n{display:block;font-size:14px;font-weight:900;color:var(--navy3)}
.talk-haru{flex-direction:row-reverse}
.talk-haru>div{border-color:#7aa7d6;background:#f4f8fd}
.talk-haru .talk-n{color:#3c6fa5;text-align:right}
.col-cta{display:flex;gap:16px;align-items:center;background:#fffaf0;border:3px solid var(--gold);border-radius:16px;padding:18px;margin:22px 0}
.col-cta-img img{width:96px;height:96px;border-radius:50%;border:3px solid var(--gold)}
.col-cta-t{font-weight:900;color:var(--navy);font-size:20px;margin:0 0 4px}
.col-author{display:flex;gap:14px;align-items:flex-start}
.col-author img{width:80px;height:80px;border-radius:50%;flex:none}
@media (max-width:600px){.col-cta{flex-direction:column;text-align:center}.talk img{width:56px;height:56px}}

/* ───── LP（画像版） ───── */
.hero-v2{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.hero-v2 .hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:28px;align-items:center;padding:48px 16px 56px}
.hero-v2 .hero-img{border-radius:18px;overflow:hidden;border:3px solid var(--gold);box-shadow:0 12px 40px rgba(0,0,0,.35)}
.hero-v2 .hero-img img{display:block;width:100%;height:auto}
@media (max-width:900px){.hero-v2 .hero-grid{grid-template-columns:1fr;padding-top:28px}.hero-v2 .hero-img{order:-1}}
.pic{width:100%;height:auto;display:block;border-radius:14px}
.card .pic{margin-bottom:12px}
.story{display:grid;grid-template-columns:1fr 1.1fr;gap:26px;align-items:center}
@media (max-width:820px){.story{grid-template-columns:1fr}}
.col-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:820px){.col-strip{grid-template-columns:1fr}}
.voice-note{font-size:14px;color:var(--ink2)}