/* LP と会員ページの共通。配色は墨と深緑の2系統だけ */
:root{
  --bg:#ffffff; --surface:#f6f6f3; --line:#e4e3de; --ink:#1d1d1f; --ink-soft:#5c5b57; --ink-faint:#8d8b85;
  --accent:#0d5b56; --accent-soft:#e3eeec; --accent-ink:#ffffff;
  --radius:10px; --wrap:1120px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#131314; --surface:#1c1c1e; --line:#2e2e30; --ink:#f1f0ec; --ink-soft:#b3b1ab; --ink-faint:#85837e;
    --accent:#7fc4be; --accent-soft:#1c3533; --accent-ink:#0f1f1d;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0; background:var(--bg); color:var(--ink); font-family:"Noto Sans JP","Hiragino Sans",sans-serif;
  font-size:16px; line-height:1.8; word-break:normal; line-break:strict; overflow-wrap:break-word}
a{color:var(--accent)}
img,svg{max-width:100%}
.wrap{width:100%; max-width:var(--wrap); margin:0 auto; padding:0 24px}
@media (max-width:600px){ .wrap{padding:0 16px} }

.top{border-bottom:1px solid var(--line); background:var(--bg); position:sticky; top:0; z-index:10}
.top .wrap{display:flex; align-items:center; gap:24px; height:64px}
.brand{display:flex; align-items:center; gap:10px; font-weight:700; letter-spacing:.08em; color:var(--ink); text-decoration:none; font-size:18px}
.brand img{width:26px; height:26px}
.top nav{margin-left:auto; display:flex; align-items:center; gap:20px; font-size:14px}
.top nav a{color:var(--ink-soft); text-decoration:none}
.top nav a:hover{color:var(--ink)}
@media (max-width:720px){ .top nav .hide-sm{display:none} }

.btn{display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:11px 20px; border-radius:var(--radius);
  font:inherit; font-size:15px; font-weight:700; text-decoration:none; cursor:pointer; border:1px solid var(--accent);
  background:var(--accent); color:var(--accent-ink); white-space:nowrap}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent; color:var(--accent)}
.btn.small{padding:7px 14px; font-size:14px}
.btn:disabled{opacity:.45; cursor:not-allowed; filter:none}
.top nav .btn{color:var(--accent-ink)}
[data-auth-slot]{display:flex; align-items:center; gap:20px}

section{padding:88px 0}
section + section{border-top:1px solid var(--line)}
h1,h2,h3{line-height:1.35; margin:0; font-weight:700}
h1{font-size:clamp(30px, 4.6vw, 50px); letter-spacing:.01em}
h2{font-size:clamp(24px, 3vw, 32px); margin-bottom:24px}
h3{font-size:19px; margin-bottom:8px}
p{margin:0 0 14px}
.eyebrow{font-size:13px; letter-spacing:.14em; color:var(--accent); font-weight:700; margin-bottom:14px}
.lead{font-size:18px; color:var(--ink-soft); margin:22px 0 30px}
.note{font-size:13px; color:var(--ink-faint)}

.hero{padding:64px 0 72px}
.hero .cta{display:flex; gap:12px; flex-wrap:wrap; align-items:center}

.demo{margin-top:52px}
.demo-tabs{display:flex; gap:6px; flex-wrap:wrap; margin-bottom:14px; align-items:center}
.demo-tabs button{font:inherit; font-size:14px; padding:7px 14px; border-radius:999px; border:1px solid var(--line);
  background:var(--bg); color:var(--ink-soft); cursor:pointer}
.demo-tabs button[aria-selected="true"]{background:var(--ink); color:var(--bg); border-color:var(--ink)}
.demo-tabs .replay{margin-left:auto}
.screen{position:relative; width:100%; aspect-ratio:16/9; border-radius:12px; overflow:hidden; border:1px solid var(--line);
  box-shadow:0 30px 60px -40px rgba(0,0,0,.45); background:#fafaf7}

.cols{display:grid; grid-template-columns:repeat(2, minmax(0, 1fr)); gap:40px}
@media (max-width:820px){ .cols{grid-template-columns:1fr; gap:24px} }
.flow{counter-reset:step; list-style:none; padding:0; margin:0}
.flow li{counter-increment:step; position:relative; padding:0 0 18px 44px}
.flow li::before{content:counter(step); position:absolute; left:0; top:2px; width:28px; height:28px; border-radius:50%;
  background:var(--accent-soft); color:var(--accent); font-weight:700; font-size:14px; display:flex; align-items:center; justify-content:center}

.themes-list{display:grid; grid-template-columns:repeat(4, minmax(0, 1fr)); gap:16px}
@media (max-width:900px){ .themes-list{grid-template-columns:repeat(2, minmax(0, 1fr))} }
@media (max-width:520px){ .themes-list{grid-template-columns:1fr} }
.themes-list div{border-top:2px solid var(--ink); padding-top:14px}
.themes-list p{font-size:14px; color:var(--ink-soft)}

.packs{display:grid; grid-template-columns:repeat(3, minmax(0, 1fr)); gap:16px}
@media (max-width:820px){ .packs{grid-template-columns:1fr} }
.pack{border:1px solid var(--line); border-radius:var(--radius); padding:24px; display:flex; flex-direction:column; gap:6px; background:var(--bg)}
.pack .name{font-size:14px; color:var(--ink-soft)}
.pack .yen{font-size:30px; font-weight:700; font-variant-numeric:tabular-nums}
.pack .cr{font-size:15px; color:var(--ink-soft); margin-bottom:12px}
.pack .btn{margin-top:auto}

.faq details{border-bottom:1px solid var(--line); padding:18px 0}
.faq summary{cursor:pointer; font-weight:700; list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+"; display:inline-block; width:22px; color:var(--accent)}
.faq details[open] summary::before{content:"−"}
.faq details p{margin:12px 0 0 22px; color:var(--ink-soft)}

.foot{border-top:1px solid var(--line); padding:32px 0 48px; font-size:13px; color:var(--ink-faint)}
.foot .wrap{display:flex; gap:20px; flex-wrap:wrap; align-items:center}
.foot a{color:var(--ink-soft); text-decoration:none}
.foot .sp{margin-left:auto}

/* 会員ページ */
.page{padding:56px 0 88px}
.panel{border:1px solid var(--line); border-radius:var(--radius); padding:28px; background:var(--bg)}
.panel + .panel{margin-top:20px}
.auth{max-width:440px; margin:0 auto}
.auth h1{font-size:26px; margin-bottom:20px}
.form{display:flex; flex-direction:column; gap:16px}
.form label{display:flex; flex-direction:column; gap:6px; font-size:14px; font-weight:700}
.form input[type="email"], .form input[type="password"], .form input[type="text"], .form input[type="number"]{
  font:inherit; font-weight:400; padding:11px 13px; border-radius:8px; border:1px solid var(--line); background:var(--bg); color:var(--ink)}
.form input:focus-visible{outline:2px solid var(--accent); outline-offset:1px}
.form .check{flex-direction:row; align-items:flex-start; gap:10px; font-weight:400}
.form .check input{margin-top:6px}
.form .hint{font-size:13px; font-weight:400; color:var(--ink-faint)}
.msg{font-size:14px; padding:10px 14px; border-radius:8px; background:var(--accent-soft); color:var(--ink); display:none}
.msg.show{display:block}
.msg.err{background:#f6ece3; color:#6b3b12}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .msg.err{background:#3a2a1c; color:#f0d6bb} }
.switch{font-size:14px; color:var(--ink-soft); margin-top:18px; text-align:center}

.bal-big{font-size:48px; font-weight:700; font-variant-numeric:tabular-nums; line-height:1.1}
.bal-big small{font-size:16px; font-weight:400; color:var(--ink-soft); margin-left:8px}
.row{display:flex; gap:12px; flex-wrap:wrap; align-items:center}
.row .sp{margin-left:auto}
.table-wrap{overflow-x:auto}
table{border-collapse:collapse; width:100%; font-size:14px; table-layout:auto}
th,td{text-align:left; padding:10px 12px; border-bottom:1px solid var(--line); vertical-align:top}
th{font-weight:700; color:var(--ink-soft); white-space:nowrap}
td.num, th.num{text-align:right; font-variant-numeric:tabular-nums; white-space:nowrap}
td.wrapany{overflow-wrap:anywhere}
.empty-row{color:var(--ink-faint)}

.legal h1{font-size:28px; margin-bottom:28px}
.legal h2{font-size:20px; margin:36px 0 10px}
.legal dl{display:grid; grid-template-columns:minmax(120px, 220px) 1fr; gap:0; border-top:1px solid var(--line)}
.legal dt, .legal dd{margin:0; padding:12px 0; border-bottom:1px solid var(--line)}
.legal dt{font-weight:700; padding-right:16px}
@media (max-width:600px){ .legal dl{grid-template-columns:1fr} .legal dt{border-bottom:none; padding-bottom:0} }
.fill{background:var(--accent-soft); padding:0 4px; border-radius:3px}