:root{
  --dark:#0B0D12; --dark2:#11151C; --dark3:#1A1F28; --line-d:#222833; --line-d2:#2A303B;
  --on:#F2F4F7; --on2:#AEB6C3; --on3:#8A93A3; --accent:#7C93FF;
  --light:#F5F6F8; --white:#FFFFFF; --ink:#111418; --ink2:#3A414C; --sub:#5A6270; --line:#E3E6EB;
  --blue:#2F4BF5; --blue-ink:#1E36C8; --blue-soft:#EEF1FF;
  --sans:"IBM Plex Sans JP","Hiragino Sans","Yu Gothic UI","Meiryo",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SF Mono",Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--dark);color:var(--on);font-family:var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--accent)}a:hover{color:#A9B8FF}
img,svg{display:block}
.inner{max-width:1160px;margin:0 auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ヘッダー */
.header{max-width:1160px;margin:0 auto;padding:24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px;color:var(--on);text-decoration:none;font-size:17px;font-weight:700;letter-spacing:.04em}
.logo:hover{color:var(--on)}
.logo-mark{width:34px;height:34px;border-radius:9px;background:var(--on);display:flex;align-items:center;justify-content:center}
.nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.nav a{padding:10px 14px;color:#C4CAD4;font-size:14px;text-decoration:none}
.nav a:hover{color:var(--on)}
.nav .cta{padding:10px 18px;border-radius:999px;background:var(--on);color:var(--dark);font-weight:700}
.nav .cta:hover{color:var(--dark);background:#fff}

/* ヒーロー */
.hero{max-width:1160px;margin:0 auto;padding:72px 24px 112px;display:flex;flex-wrap:wrap;align-items:center;gap:64px}
.hero-text{flex:1 1 440px;min-width:0;display:flex;flex-direction:column;gap:28px}
.badge{align-self:flex-start;display:flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;border:1px solid var(--line-d2);font-size:13px;color:#C4CAD4}
.dot{width:7px;height:7px;border-radius:999px;background:var(--accent)}
h1{margin:0;font-size:clamp(36px,5vw,60px);line-height:1.25;font-weight:700;letter-spacing:.01em}
h1 span{display:inline-block;white-space:nowrap}
.hero p{margin:0;font-size:18px;line-height:1.9;color:var(--on2);max-width:520px}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:flex;align-items:center;min-height:56px;padding:0 28px;border-radius:14px;font-size:16px;font-weight:700;text-decoration:none}
.btn.main{background:var(--accent);color:var(--dark)}
.btn.main:hover{background:#97A9FF;color:var(--dark)}
.btn.sub{border:1px solid var(--line-d2);color:var(--on);font-weight:500;padding:0 24px}
.btn.sub:hover{color:var(--on);border-color:#3A4250}
.mock{flex:1 1 420px;min-width:0;border-radius:22px;border:1px solid var(--line-d);background:var(--dark2);overflow:hidden}
.mock-bar{display:flex;gap:7px;padding:14px 16px;border-bottom:1px solid #1C212A}
.mock-bar span{width:10px;height:10px;border-radius:999px;background:var(--line-d2)}
.mock-body{padding:48px 24px 40px;display:flex;flex-direction:column;align-items:center;gap:22px}
.pill{display:flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:var(--dark3);font-size:13px}
.clock{font-family:var(--mono);font-size:clamp(64px,9vw,104px);font-weight:600;letter-spacing:-.03em;line-height:1}
.bar{width:100%;max-width:360px;height:6px;border-radius:999px;background:#232833;overflow:hidden}
.bar div{height:100%;border-radius:999px;background:var(--accent);width:0;transition:width 1s linear}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.chips span{padding:8px 12px;border-radius:10px;background:var(--dark3);font-size:13px;color:#C4CAD4}

/* セクション共通 */
.sec{padding:112px 24px}
.sec.light{background:var(--light);color:var(--ink)}
.sec.white{background:var(--white);color:var(--ink)}
.sec.dark{background:var(--dark)}
.sec .inner{display:flex;flex-direction:column;gap:48px}
.head{display:flex;flex-direction:column;gap:14px;max-width:720px}
.eyebrow{font-family:var(--mono);font-size:13px;font-weight:600;color:var(--blue);letter-spacing:.08em}
.dark .eyebrow{color:var(--accent)}
h2{margin:0;font-size:clamp(28px,4vw,44px);line-height:1.35;font-weight:700}
.head p{margin:0;font-size:17px;line-height:1.9;color:#4A5260}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:28px;display:flex;flex-direction:column;gap:10px}
.card b{font-size:19px;line-height:1.5}
.card span{font-size:15px;line-height:1.8;color:var(--sub)}
.light .card.flat{border:none}

.steps{margin:0;padding:0;list-style:none}
.steps li{border-top:2px solid var(--ink);padding-top:24px;display:flex;flex-direction:column;gap:12px}
.steps .num{font-family:var(--mono);font-size:40px;font-weight:600;color:var(--blue)}
.steps b{font-size:21px}
.steps span{font-size:15px;line-height:1.8;color:var(--sub)}

.feat{border:1px solid var(--line-d);border-radius:18px;padding:28px;display:flex;flex-direction:column;gap:12px;background:var(--dark2)}
.feat svg{width:28px;height:28px;fill:none;stroke:var(--accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.feat b{font-size:18px}
.feat span{font-size:14px;line-height:1.8;color:var(--on2)}
.safe{display:flex;align-items:center;gap:14px;padding:20px 24px;border-radius:16px;border:1px solid #22402E;background:#0F1A14;color:#B9E4C7;font-size:15px;line-height:1.7}
.safe svg{flex:none;width:22px;height:22px;fill:none;stroke:#7FD49B;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.plan{border:1px solid var(--line);border-radius:20px;padding:32px;display:flex;flex-direction:column;gap:18px}
.plan.rec{border:2px solid var(--blue)}
.plan .name{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:17px;font-weight:700}
.plan .tag{font-size:12px;color:var(--blue-ink);background:var(--blue-soft);padding:5px 10px;border-radius:999px}
.price{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px}
.price b{font-family:var(--mono);font-size:44px;font-weight:600}
.price span{font-size:15px;color:var(--sub)}
.plan ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:8px;font-size:15px;line-height:1.7;color:var(--ink2)}

.faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:32px}
.faq-list{display:flex;flex-direction:column;gap:10px}
details{background:var(--white);border-radius:16px;padding:22px 24px}
summary{cursor:pointer;list-style:none;font-size:17px;font-weight:700;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--mono);color:var(--sub)}
details[open] summary::after{content:"−"}
details p{margin:12px 0 0;font-size:15px;line-height:1.8;color:#4A5260}

/* 事前登録 */
.join{padding:120px 24px}
.join .inner{max-width:720px;display:flex;flex-direction:column;align-items:center;gap:24px;text-align:center}
.join h2{font-size:clamp(30px,4.5vw,48px);line-height:1.3}
.join > .inner > p{margin:0;font-size:17px;line-height:1.9;color:var(--on2)}
.form{width:100%;max-width:520px;display:flex;flex-direction:column;gap:14px}
.form-row{display:flex;flex-wrap:wrap;gap:10px}
.form input[type=email]{flex:1 1 260px;min-height:56px;padding:0 18px;border-radius:14px;border:1px solid var(--line-d2);background:var(--dark2);color:var(--on);font-size:16px;font-family:inherit}
.form input[type=email]:focus{outline:2px solid var(--accent);outline-offset:1px}
.form button{flex:0 0 auto;min-height:56px;padding:0 28px;border:none;border-radius:14px;background:var(--accent);color:var(--dark);font-size:16px;font-weight:700;cursor:pointer;font-family:inherit}
.form button:hover{background:#97A9FF}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.7;color:var(--on2);text-align:left}
.agree input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--accent);flex:none}
.note{margin:0;font-size:13px;color:var(--on3)}

.footer{border-top:1px solid #1C212A;padding:32px 24px}
.footer .inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;font-size:13px;color:var(--on3)}
.footer nav{display:flex;flex-wrap:wrap;gap:18px}
.footer a{color:var(--on3)}

/* 規約ページ */
.doc{background:var(--white);color:var(--ink);padding:72px 24px 96px}
.doc .inner{max-width:760px}
.doc h1{font-size:32px;margin-bottom:8px}
.doc h2{font-size:20px;margin:40px 0 12px}
.doc p,.doc li{font-size:15px;line-height:1.9;color:var(--ink2)}
.doc a{color:var(--blue)}
.muted{color:var(--sub);font-size:14px}

@media (max-width:600px){
  .sec,.join{padding:80px 20px}
  .hero{padding:40px 20px 80px;gap:48px}
}

/* ---- 追加：ボタン・フッター・下層ページ ---- */
.plan .btn{margin-top:auto;justify-content:center;min-height:52px;font-size:15px}
.btn.line{border:1px solid var(--line);color:var(--ink)}
.btn.line:hover{border-color:var(--ink);color:var(--ink)}
.btn.fill{background:var(--blue);color:#fff}
.btn.fill:hover{background:var(--blue-ink);color:#fff}
.join .btn.main{margin-top:8px}
.footer .inner{flex-direction:column;align-items:flex-start;gap:18px}
.foot-brand{display:flex;flex-direction:column;gap:6px}
.foot-brand b{color:var(--on);font-size:15px}
.foot-nav{display:flex;flex-wrap:wrap;gap:8px 20px}
.copy{color:var(--on3)}

.page{background:var(--white);color:var(--ink);padding:64px 24px 96px}
.page .inner{max-width:880px;display:flex;flex-direction:column;gap:32px}
.page h1{font-size:clamp(30px,4vw,42px);line-height:1.35}
.page .lead{margin:0;font-size:17px;line-height:1.9;color:#4A5260}
.page h2{font-size:22px;margin:0}
.page p,.page li{font-size:15px;line-height:1.9;color:var(--ink2)}
.page a{color:var(--blue)}
.crumb{font-size:13px;color:var(--sub)}
.crumb a{color:var(--sub)}
.box{border:1px solid var(--line);border-radius:18px;padding:28px;display:flex;flex-direction:column;gap:16px}
.box.soft{background:var(--light);border:none}
.dl-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.dl{border:1px solid var(--line);border-radius:18px;padding:28px;display:flex;flex-direction:column;gap:12px}
.dl b{font-size:20px}
.dl span{font-size:14px;color:var(--sub);line-height:1.7}
.dl .btn{justify-content:center;background:var(--ink);color:#fff;margin-top:8px}
.dl .btn:hover{background:#000;color:#fff}
.dl.rec{border:2px solid var(--blue)}
ol.howto{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:10px}
table.spec{width:100%;border-collapse:collapse;font-size:15px}
table.spec th,table.spec td{text-align:left;vertical-align:top;padding:14px 12px;border-bottom:1px solid var(--line);line-height:1.8}
table.spec th{width:32%;color:var(--ink);font-weight:700;background:var(--light)}
.table-wrap{overflow-x:auto}
.note-s{font-size:13px;color:var(--sub);line-height:1.8}

/* 会員ページ */
.acc-card{border:1px solid var(--line);border-radius:18px;padding:28px;display:flex;flex-direction:column;gap:16px}
.acc-card h2{font-size:19px}
.acc-row{display:flex;flex-wrap:wrap;gap:10px}
.acc-row input{flex:1 1 240px;min-height:52px;padding:0 16px;border:1px solid var(--line);border-radius:12px;font-size:16px;font-family:inherit;color:var(--ink)}
.acc-row input:focus{outline:2px solid var(--blue);outline-offset:1px}
.abtn{min-height:52px;padding:0 24px;border-radius:12px;border:none;font-family:inherit;font-size:15px;font-weight:700;cursor:pointer;background:var(--ink);color:#fff}
.abtn.blue{background:var(--blue)}
.abtn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.abtn:disabled{opacity:.5;cursor:default}
.linkb{background:none;border:none;padding:0;font:inherit;font-size:14px;font-weight:700;color:var(--blue);cursor:pointer}
.msg-err{font-size:14px;color:#B4410C;font-weight:700}
.msg-ok{font-size:14px;color:#1F6B3A;font-weight:700}
.state{display:inline-block;font-size:13px;font-weight:700;padding:5px 12px;border-radius:999px;background:var(--blue-soft);color:var(--blue-ink)}
.choose{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.choose button{text-align:left;border:1.5px solid var(--line);border-radius:14px;padding:18px;background:#fff;cursor:pointer;font-family:inherit;display:flex;flex-direction:column;gap:4px;color:var(--ink)}
.choose button[aria-pressed="true"]{border-color:var(--blue);background:var(--blue-soft)}
.choose b{font-size:17px}
.choose span{font-size:13px;color:var(--sub)}
.dev{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 0;border-top:1px solid var(--line);font-size:15px}
.page .plans{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.page .plan{padding:26px}
#app{display:flex;flex-direction:column;gap:16px}

/* 集中のガイド（記事） */
.art h3{font-size:16px;margin:24px 0 6px;color:var(--ink)}
.art code{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:13px;background:var(--light);padding:2px 6px;border-radius:6px;word-break:break-all}
.art ol,.art ul{padding-left:22px}
.art .cmp th,.art .cmp td{font-size:14px;white-space:nowrap}
.cta-box{margin:48px 0 0;padding:28px;border-radius:20px;background:var(--light);display:flex;flex-direction:column;gap:10px}
.cta-box b{font-size:18px;color:var(--ink)}
.cta-box p{margin:0}
.cta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.more{margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.more ul{margin:8px 0 0}
.guide-list{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-direction:column;gap:12px}
.guide-list a{display:flex;flex-direction:column;gap:6px;padding:20px 22px;border:1px solid var(--line);border-radius:18px;text-decoration:none}
.guide-list a:hover{border-color:var(--blue)}
.guide-list b{font-size:17px;color:var(--ink);line-height:1.5}
.guide-list span{font-size:14px;color:var(--sub);line-height:1.7}

.logo-img{width:32px;height:32px;border-radius:8px;display:block}

/* ダウンロード（黒基調） */
.dk{background:var(--dark);color:var(--on);padding:24px 24px 96px}
.dk > section{max-width:1080px;margin:0 auto}
.dk .crumb,.dk .crumb a{color:var(--on3)}
.dk-hero{display:flex;flex-direction:column;gap:22px;padding:24px 0 64px}
.dk-hero h1{font-size:clamp(36px,5vw,56px)}
.dk-lead{margin:0;font-size:17px;line-height:1.9;color:var(--on2);max-width:620px}
.dk .dl-grid{margin-top:8px}
.dk .dl{position:relative;background:var(--dark2);border:1px solid var(--line-d2);border-radius:24px;padding:28px;gap:10px}
.dk .dl b{font-size:22px;color:var(--on)}
.dk .dl > span{color:var(--on3)}
.dk .dl .os{width:48px;height:48px;border-radius:14px;background:var(--dark3);color:var(--on);display:flex;align-items:center;justify-content:center;margin-bottom:6px}
.dk .dl .os svg{width:24px;height:24px}
.dk .dl .btn{gap:10px;background:var(--on);color:var(--dark);border-radius:16px;margin-top:10px}
.dk .dl .btn svg{width:20px;height:20px}
.dk .dl .btn:hover{background:#fff;color:var(--dark)}
.dk .dl.rec{background:linear-gradient(160deg,#1C2550 0%,var(--dark2) 60%);border:1px solid #3B4FC2}
.dk .dl.rec .os{background:#4D6BFF}
.dk .dl.rec .btn{background:#4D6BFF;color:#fff}
.dk .dl.rec .btn:hover{background:#5F7BFF;color:#fff}
.dk .dl.rec::after{content:"おすすめ";position:absolute;top:22px;right:22px;font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px;background:rgba(124,147,255,.18);color:#C3CEFF}
.perks{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.perks li{padding:10px 16px;border-radius:999px;background:var(--dark2);border:1px solid var(--line-d);font-size:14px;color:var(--on2)}
.perks b{color:#C3CEFF;margin-right:2px}
.dk-sec{display:flex;flex-direction:column;gap:14px;padding:56px 0 0}
.dk-sec h2{font-size:clamp(26px,3.4vw,36px)}
.eyebrow-dk{font-size:13px;font-weight:700;color:#A9B8FF}
.dk-sub{margin:0;font-size:15px;line-height:1.85;color:var(--on2)}
.hl{color:#FF8A6B}
.cards3{list-style:none;margin:14px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.c3{position:relative;background:var(--dark2);border:1px solid var(--line-d);border-radius:24px;padding:26px;display:flex;flex-direction:column;gap:10px;overflow:hidden}
.c3::before{content:"";position:absolute;left:0;top:0;right:0;height:4px}
.c-blue::before{background:linear-gradient(90deg,#3E63DD,#5EB1EF)}
.c-purple::before{background:linear-gradient(90deg,#8E4EC6,#D17EF0)}
.c-green::before{background:linear-gradient(90deg,#12A594,#6BD9B0)}
.c3 .num{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;color:#fff}
.c-blue .num{background:linear-gradient(135deg,#3E63DD,#5EB1EF)}
.c-purple .num{background:linear-gradient(135deg,#8E4EC6,#D17EF0)}
.c-green .num{background:linear-gradient(135deg,#12A594,#6BD9B0)}
.c3 b{font-size:18px;color:var(--on)}
.c3 p{margin:0;font-size:14px;line-height:1.8;color:var(--on2)}
.c3 .ill{margin-top:6px}
.ill{font-size:11px;color:#222;line-height:1.5}
.ill .hit{outline:3px solid #FF5A36;outline-offset:2px;border-radius:4px}
.ill .win{border-radius:12px;background:#fff;overflow:hidden}
.ill .win .bar{display:flex;gap:5px;padding:8px 10px;background:#F2F3F7}.ill .win .bar i{width:8px;height:8px;border-radius:50%;background:#D5D7E0}
.ill .win .tool{display:flex;gap:12px;padding:8px 12px;border-bottom:1px solid #EEE}
.ill .win .row{display:flex;align-items:center;gap:8px;padding:8px 12px}
.ill .hitrow{background:#E7EEFF;outline:3px solid #FF5A36;outline-offset:-3px}
.ill .app{width:12px;height:12px;border-radius:3px;background:#4D6BFF;display:inline-block}
.ill .edge,.ill .uac{border-radius:12px;background:#fff;padding:12px 14px}
.ill .edge p,.ill .uac p{margin:4px 0 10px;color:#555}
.ill .db{display:flex;gap:8px;justify-content:flex-end;margin-top:8px}.ill .db span{padding:4px 12px;border:1px solid #BBB;border-radius:6px;background:#F7F7F7;color:#222}
.ill .ss{background:#1E5AA8;color:#fff;border-radius:12px;padding:12px 14px}.ill .ss .lk{display:inline-block;text-decoration:underline;margin-top:6px;padding:0 2px}
.ill .ss .db span{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.ill .uac{border-top:6px solid #2B579A}.ill .uac .ut{font-size:10px;color:#666;margin-bottom:6px}.ill .uac b{font-size:12px;color:#222}
.dk .whyw{margin-top:8px;padding:18px 20px;border-radius:18px;background:var(--dark2);border:1px solid var(--line-d);display:flex;flex-direction:column;gap:6px;font-size:14px;line-height:1.8;color:var(--on2)}
.dk .whyw b{color:var(--on)}
.phone-box{display:flex;gap:18px;align-items:flex-start;padding:28px;border-radius:24px;background:linear-gradient(160deg,#10332D 0%,var(--dark2) 70%);border:1px solid #1E5A4F}
.phone-box .pi{flex:none;width:52px;height:52px;border-radius:16px;background:#12A594;color:#fff;display:flex;align-items:center;justify-content:center}
.phone-box .pi svg{width:26px;height:26px}
.phone-box h2{font-size:clamp(20px,2.4vw,24px)!important;margin:0 0 6px}
.phone-box p{margin:0;font-size:15px;line-height:1.85;color:var(--on2)}
.dk-spec{width:100%;border-collapse:collapse}
.dk-spec th,.dk-spec td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line-d);font-size:14px;line-height:1.8;vertical-align:top}
.dk-spec th{color:var(--on);white-space:nowrap;font-weight:700;width:150px}
.dk-spec td{color:var(--on2)}
.trouble{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px}
.trouble li{padding:20px 22px;border-radius:18px;background:var(--dark2);border:1px solid var(--line-d);display:flex;flex-direction:column;gap:6px}
.trouble b{color:var(--on);font-size:15px}
.trouble span{font-size:14px;line-height:1.8;color:var(--on2)}
@media (max-width:640px){.dk{padding:16px 16px 72px}.phone-box{flex-direction:column}}
.c3 .ill .edge b,.c3 .ill .uac b{color:#222;font-size:12px}
.c3 .ill .ss b{color:#fff;font-size:12px}
.dk-spec th,.dk-spec td{background:transparent!important}
.dk-spec tr{background:transparent!important}
.dk-spec th{color:var(--on)!important;width:170px}
.dk-spec td{color:var(--on2)!important}
.dk-spec th,.dk-spec td{border-bottom:1px solid var(--line-d)!important}

/* ===== サイト全体を黒基調・カラーでそろえる ===== */
.sec.light,.sec.white,.page,.doc{--white:#141922;--light:#11151C;--ink:#F2F4F7;--ink2:#C4CAD4;--sub:#9AA3B2;--line:#262D39;--blue:#7C93FF;--blue-ink:#C3CEFF;--blue-soft:rgba(124,147,255,.16)}
.sec.white,.page,.doc{background:var(--dark);color:var(--on)}
.sec.light{background:#0E1117;color:var(--on)}
.head p,details p{color:var(--on2)}
.eyebrow{font-family:var(--sans);letter-spacing:0;font-weight:700;color:#A9B8FF}
.btn.fill{background:#4D6BFF;color:#fff}.btn.fill:hover{background:#5F7BFF;color:#fff}
.btn.line{border-color:var(--line);color:var(--ink)}.btn.line:hover{border-color:var(--ink);color:var(--ink)}
.abtn{background:var(--ink);color:var(--dark)}
.abtn.blue{background:#4D6BFF;color:#fff}
.abtn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.acc-card{background:var(--dark2)}
.acc-row input{background:var(--dark);color:var(--ink);border-color:var(--line)}
.choose button{background:var(--dark)}
.msg-err{color:#FF8A6B}.msg-ok{color:#5FD49A}
.page .lead{color:var(--on2)}
table.spec th{background:transparent}
.doc .muted,.note-s{color:var(--sub)}

/* カードに色 */
.card.tint{position:relative;overflow:hidden;background:var(--dark2);border-color:#232A35}
.card.tint::before{content:"";position:absolute;left:0;top:0;right:0;height:4px}
.card .ci{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:6px}
.card .ci svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.t-red::before,.t-red .ci{background:linear-gradient(135deg,#E5484D,#FF8A6B)}
.t-blue::before,.t-blue .ci{background:linear-gradient(135deg,#3E63DD,#5EB1EF)}
.t-purple::before,.t-purple .ci{background:linear-gradient(135deg,#8E4EC6,#D17EF0)}
.t-green::before,.t-green .ci{background:linear-gradient(135deg,#12A594,#6BD9B0)}
.sec .cards3{margin:0}

/* ブロックできるもの（アプリと同じカード） */
.tcs{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:22px 16px}
.tc{display:flex;flex-direction:column;gap:3px}
.tc-img{aspect-ratio:1/.8;border-radius:20px;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.95);margin-bottom:10px;transition:transform .2s}
.tc:hover .tc-img{transform:translateY(-3px)}
.tc-img svg{width:52px;height:52px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tc b{font-size:16px;color:var(--on)}
.tc span{font-size:13px;color:var(--on3);line-height:1.6}

/* 特長のアイコンに色 */
.feat svg{box-sizing:content-box;padding:11px;border-radius:14px;stroke:#fff!important}
.f-blue svg{background:linear-gradient(135deg,#3E63DD,#5EB1EF)}
.f-purple svg{background:linear-gradient(135deg,#8E4EC6,#D17EF0)}
.f-green svg{background:linear-gradient(135deg,#12A594,#6BD9B0)}
.f-orange svg{background:linear-gradient(135deg,#F76B15,#FFC53D)}

/* ヒーローのチップに色 */
.chips .ch-sns{background:rgba(62,99,221,.22);color:#C3CEFF}
.chips .ch-video{background:rgba(229,72,77,.2);color:#FFC1C3}
.chips .ch-game{background:rgba(142,78,198,.24);color:#E4C6FF}

/* 料金・よくある質問・最後の呼びかけ */
.plan{background:var(--dark2)}
.plan.rec{background:linear-gradient(160deg,#1C2550 0%,var(--dark2) 60%);border:1px solid #3B4FC2}
.plan .price b{color:var(--on)}
details{background:var(--dark2);border:1px solid #1F2530}
.join{background:radial-gradient(700px 300px at 50% 0%,rgba(77,107,255,.28),transparent 70%),var(--dark)}

/* ===== 最初の画面を大きく（画面いっぱい） ===== */
.hero.big{position:relative;max-width:none;min-height:calc(100svh - 84px);padding:40px max(24px,calc((100vw - 1160px)/2)) 96px;align-items:center;gap:56px;
  background:radial-gradient(600px 420px at 85% 30%,rgba(77,107,255,.22),transparent 70%),radial-gradient(520px 380px at 70% 85%,rgba(142,78,198,.18),transparent 70%),radial-gradient(420px 320px at 10% 90%,rgba(229,72,77,.10),transparent 70%)}
.hero.big .hero-text{flex:1 1 480px;gap:30px}
.hero.big h1{font-size:clamp(44px,6.6vw,92px);line-height:1.15;font-weight:800;letter-spacing:-.01em}
.hero.big h1 .grad{background:linear-gradient(90deg,#7C93FF,#C084FC 55%,#FF8A6B);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero.big p{font-size:clamp(16px,1.4vw,19px);max-width:560px}
.hero.big .btn{min-height:62px;padding:0 34px;font-size:17px;border-radius:16px}
.hero.big .btn.main{background:#4D6BFF;color:#fff}
.hero.big .btn.main:hover{background:#5F7BFF;color:#fff}
.stage{position:relative;flex:1 1 440px;min-width:0;padding:36px 0}
.stage .mock{position:relative;z-index:1;box-shadow:0 30px 80px -30px rgba(0,0,0,.8)}
.stage .clock{font-size:clamp(72px,9vw,124px)}
.float{position:absolute;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;width:96px;height:96px;border-radius:24px;color:#fff;font-size:12px;font-weight:700;box-shadow:0 18px 40px -16px rgba(0,0,0,.7)}
.float svg{width:34px;height:34px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.float::after{content:"";position:absolute;right:-8px;top:-8px;width:28px;height:28px;border-radius:50%;background:#0B0D12 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.4' stroke-linecap='round'%3E%3Crect x='6' y='11' width='12' height='9' rx='2'/%3E%3Cpath d='M9 11V8a3 3 0 0 1 6 0v3'/%3E%3C/svg%3E") center/16px no-repeat;border:2px solid #0B0D12}
.f1{background:linear-gradient(135deg,#E5484D,#FF8A6B);left:-28px;top:4px;transform:rotate(-8deg)}
.f2{background:linear-gradient(135deg,#3E63DD,#5EB1EF);right:-18px;top:-6px;transform:rotate(7deg)}
.f3{background:linear-gradient(135deg,#8E4EC6,#D17EF0);right:24px;bottom:-4px;transform:rotate(-5deg)}
.scroll-cue{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);font-size:12px;color:var(--on3);text-decoration:none;display:flex;flex-direction:column;align-items:center;gap:6px}
.scroll-cue::after{content:"";width:10px;height:10px;border-right:2px solid var(--on3);border-bottom:2px solid var(--on3);transform:rotate(45deg);animation:cue 1.6s infinite}
@keyframes cue{50%{transform:translateY(5px) rotate(45deg)}}
@media (max-width:860px){.hero.big{min-height:auto;padding:24px 20px 80px}.float{width:72px;height:72px;border-radius:18px}.float svg{width:26px;height:26px}.f1{left:-6px}.f2{right:-4px}}
@media (prefers-reduced-motion:reduce){.scroll-cue::after{animation:none}}
.hero.big h1{font-size:clamp(40px,4.9vw,74px)}
.hero.big .hero-text{flex:1 1 540px}
.stage{flex:1 1 400px;max-width:540px;margin-left:auto}
.f3{right:-14px;bottom:-34px}

/* 文字が読みやすいように、青いボタンを少し濃く（コントラスト比 4.5 以上） */
.btn.fill,.hero.big .btn.main{background:#3B57E6}
.btn.fill:hover,.hero.big .btn.main:hover{background:#4D6BFF}

/* トップページのガイドへのリンク */
.top-guides{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}
.top-guides a{display:block;padding:18px 20px;border:1px solid var(--line);border-radius:16px;text-decoration:none;color:var(--ink);font-weight:500}
.top-guides a:hover{border-color:var(--blue)}
.top-guides-more{margin:18px 0 0}
/* ガイドのコード例と一覧の位置 */
.doc pre{margin:16px 0;padding:16px 18px;border-radius:12px;background:var(--soft,#11151C);border:1px solid var(--line);overflow-x:auto;line-height:1.7}
.doc pre code{background:none;padding:0;border:0;font-size:14px}
.doc .guide-list{padding-left:0;margin-left:0}
.doc .guide-list li{margin:0}

/* 見出しを言葉の切れ目で折り返す */
h1,h2,h3,.guide-list b,.top-guides a{word-break:auto-phrase}