/* ことば貯金 — GPTデザイン v2（2026-08-19 全面刷新）
   温かいクリーム × 黄色 × 焦げ茶。下部タブバー、ひらく日ヒーロー、通帳カバー。 */
:root{
  --paper:#F7F1E4; --card:#FFFDF8; --card-2:#FBF6EA;
  --ink:#3A2E14; --ink-soft:#7A6C4E; --ink-faint:#AC9F7F;
  --line:#EBE2CC; --line-strong:#DCD0B2;
  --key:#F2C24E; --key-bright:#F5CB60; --key-soft:#FBEFCD; --key-tint:#F8ECCF;
  --gold:#A97E1C; --gold-deep:#8A6612;
  --danger:#B3402F;
  --on-key:#3A2E14;
  --shadow:0 1px 2px rgba(58,46,20,.05),0 10px 30px rgba(58,46,20,.10);
  --frame:#EADFC6;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#191509; --card:#231D0E; --card-2:#2B2413;
    --ink:#F0E8D4; --ink-soft:#B9AC8C; --ink-faint:#857A5F;
    --line:#352C16; --line-strong:#4A3F22;
    --key:#F2C24E; --key-bright:#F5CB60; --key-soft:#3A2F14; --key-tint:#332A12;
    --gold:#E4B54A; --gold-deep:#F0C965;
    --danger:#E08072; --on-key:#2B2109;
    --shadow:0 1px 2px rgba(0,0,0,.35),0 10px 34px rgba(0,0,0,.45);
    --frame:#2B2413;
  }
}
:root[data-theme="dark"]{
  --paper:#191509; --card:#231D0E; --card-2:#2B2413;
  --ink:#F0E8D4; --ink-soft:#B9AC8C; --ink-faint:#857A5F;
  --line:#352C16; --line-strong:#4A3F22;
  --key:#F2C24E; --key-bright:#F5CB60; --key-soft:#3A2F14; --key-tint:#332A12;
  --gold:#E4B54A; --gold-deep:#F0C965;
  --danger:#E08072; --on-key:#2B2109;
  --shadow:0 1px 2px rgba(0,0,0,.35),0 10px 34px rgba(0,0,0,.45);
  --frame:#2B2413;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--paper);color:var(--ink);
  font-family:"Zen Kaku Gothic New",system-ui,sans-serif;line-height:1.7;
  -webkit-font-smoothing:antialiased;
  display:flex;flex-direction:column;align-items:center;padding:14px 12px 20px;gap:12px;
}
.mincho{font-family:"Zen Old Mincho",serif}
.tnum{font-variant-numeric:tabular-nums}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font-family:inherit;color:var(--ink)}
svg{display:block}

.device{
  width:100%;max-width:430px;background:var(--card);
  border:1px solid var(--frame);border-radius:26px;overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;min-height:780px;
}
.screen{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--paper)}
.scroll{flex:1;overflow-y:auto;overflow-x:hidden}
.credit{font-size:11px;color:var(--ink-faint);text-align:center}
.credit b{color:var(--ink-soft)}

.btn{
  display:flex;align-items:center;justify-content:center;gap:9px;width:100%;
  background:var(--key);color:var(--on-key);font-weight:700;font-size:15.5px;
  border-radius:14px;padding:16px;transition:transform .12s,filter .12s;
}
.btn:hover{filter:brightness(1.04)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line-strong)}
.btn:focus-visible,select:focus-visible,textarea:focus-visible,input:focus-visible,.tap:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.linkbtn{display:block;text-align:center;font-size:13.5px;font-weight:700;color:var(--ink-soft);text-decoration:underline;text-underline-offset:4px;padding:12px}

.msg{min-height:20px;font-size:13px;color:var(--ink-soft);text-align:center}
.msg.err{color:var(--danger)}
.msg.ok{color:var(--gold)}

/* ===== tab bar ===== */
.tabbar{display:flex;border-top:1px solid var(--line);background:var(--card)}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:11px 0 13px;font-size:11.5px;font-weight:700;color:var(--ink-faint);position:relative}
.tab svg{width:23px;height:23px}
.tab.on{color:var(--gold)}
.tab.on::after{content:"";position:absolute;bottom:6px;width:26px;height:3px;border-radius:2px;background:var(--key)}
.tab + .tab{border-left:1px solid var(--line)}

/* ===== compose (home tab) ===== */
.c-head{padding:26px 22px 6px;position:relative}
.brand-word{font-weight:700;font-size:34px;letter-spacing:.05em;line-height:1.05}
.brand-sub{font-size:13px;color:var(--ink-soft);margin-top:7px;letter-spacing:.03em}
.c-head .piggy{position:absolute;right:20px;top:22px;width:56px}
.c-head .back{position:static;display:inline-block;font-size:22px;color:var(--ink-soft);padding:0 6px 6px 0}

.form{padding:14px 20px 22px;display:flex;flex-direction:column;gap:20px}
.field label{display:block;font-size:12.5px;font-weight:700;letter-spacing:.05em;color:var(--ink);margin-bottom:9px}
.field label .req{color:var(--gold);margin-left:2px}
.select-wrap{position:relative}
.sel{width:100%;appearance:none;-webkit-appearance:none;background:var(--card);border:1.5px solid var(--line-strong);border-radius:12px;padding:15px 44px 15px 16px;font-size:15.5px;font-weight:500;cursor:pointer}
.select-wrap::after{content:"";position:absolute;right:18px;top:44%;width:9px;height:9px;border-right:2.2px solid var(--ink-soft);border-bottom:2.2px solid var(--ink-soft);transform:translateY(-50%) rotate(45deg);pointer-events:none}
.tf{width:100%;background:var(--card);border:1.5px solid var(--line-strong);border-radius:12px;padding:14px 15px;font-size:15px}
.tf::placeholder{color:var(--ink-faint)}
.hint{font-size:11.5px;color:var(--ink-faint);margin-top:8px;line-height:1.7}
.reveal{display:none}
.reveal.open{display:block}

/* ひらく日プレビュー（ヒーロー） */
.open-hero{display:flex;align-items:center;gap:15px;background:var(--key-tint);border:1px solid var(--key);border-radius:16px;padding:16px}
.open-hero .lk{width:52px;height:52px;border-radius:50%;background:var(--card);display:grid;place-items:center;color:var(--gold);flex:none}
.open-hero .lk svg{width:24px;height:24px}
.open-hero .oh-body{flex:1;min-width:0}
.open-hero .oh-label{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--ink-soft)}
.open-hero .oh-date{font-size:29px;font-weight:700;letter-spacing:.01em;line-height:1.25}
.open-hero .oh-sub{font-size:11.5px;color:var(--ink-soft);margin-top:2px}
.open-hero .oh-until{flex:none;background:var(--key);border-radius:999px;padding:7px 13px;font-size:13px;font-weight:700;color:var(--on-key);white-space:nowrap}
.open-hero .oh-until b{font-size:16px}
.open-hero.softmode .oh-date{font-size:19px}

textarea.ta{width:100%;background:var(--card);border:1.5px solid var(--line-strong);border-radius:14px;padding:16px;font-family:"Zen Old Mincho",serif;font-size:16px;line-height:2.05;min-height:150px;resize:none}
textarea.ta::placeholder{color:var(--ink-faint);font-family:"Zen Kaku Gothic New",sans-serif;font-size:14px}
.counter{text-align:right;font-size:11px;color:var(--ink-faint);margin-top:6px}
.stepper{display:flex;align-items:center;gap:14px;margin-top:12px;font-size:13px;color:var(--ink-soft)}
.stepper .st{width:38px;height:38px;border-radius:11px;background:var(--card);box-shadow:inset 0 0 0 1.5px var(--line-strong);font-size:20px;font-weight:700;color:var(--gold);display:grid;place-items:center;line-height:1}
.stepper b{font-size:20px;min-width:2ch;text-align:center;color:var(--ink)}

.barzone{padding:12px 18px 16px;border-top:1px solid var(--line);background:var(--card);display:flex;flex-direction:column;gap:10px}
.lock-note{display:flex;align-items:center;justify-content:center;gap:7px;font-size:12px;color:var(--ink-soft)}
.lock-note .lk{display:inline-flex;color:var(--gold)}
.lock-note .lk svg{width:14px;height:14px}

/* ===== passbook tab ===== */
.pb-top{display:flex;align-items:center;gap:9px;padding:16px 20px 10px}
.pb-top .logo-ic{width:30px;height:30px;border-radius:9px;background:var(--key);display:grid;place-items:center;color:var(--on-key)}
.pb-top .logo-ic svg{width:17px;height:17px}
.pb-top b{font-size:16.5px;font-weight:700;letter-spacing:.06em}
.pb-top .sp{margin-left:auto;display:flex;gap:4px}
.pb-top .mini{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:var(--ink-soft)}
.pb-top .mini svg{width:17px;height:17px}

.cover{margin:6px 16px 0;background:linear-gradient(165deg,#F5CB60,#EFBC3F);border-radius:20px;padding:22px 20px 0;color:#3A2E14;position:relative;overflow:hidden;box-shadow:0 10px 26px rgba(169,126,28,.16)}
.cover .waterm{position:absolute;right:14px;top:18px;opacity:.5;color:#C79A2D}
.cover .bal{display:flex;align-items:baseline;gap:8px}
.cover .bal b{font-size:56px;font-weight:700;line-height:1;letter-spacing:-.01em}
.cover .bal .u{font-size:18px;font-weight:700}
.cover .bal-label{font-size:14px;font-weight:700;margin:4px 0 16px}
.cover .stats{display:flex;border-top:1px solid rgba(58,46,20,.18);margin:0 -20px;padding:0}
.cover .stat{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:13px 0 15px;font-size:11px;font-weight:700;color:rgba(58,46,20,.72)}
.cover .stat b{font-size:17px;color:#3A2E14}
.cover .stat + .stat{border-left:1px solid rgba(58,46,20,.18)}
.cover .stat .ic{display:inline-flex;color:rgba(58,46,20,.6)}
.cover .stat .ic svg{width:15px;height:15px}

.nextcard{margin:14px 16px 0;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:17px 18px}
.nextcard .nc-label{font-size:11.5px;font-weight:700;letter-spacing:.12em;color:var(--ink-soft)}
.nextcard .nc-until{font-size:33px;font-weight:700;line-height:1.2;margin-top:2px}
.nextcard .nc-until .pre{font-size:18px;margin-right:2px}
.nextcard .nc-date{font-size:15px;font-weight:700;color:var(--gold);margin-top:1px}
.progress{position:relative;height:22px;margin-top:12px}
.progress .track{position:absolute;left:5px;right:5px;top:9px;height:3px;border-radius:2px;background:var(--line-strong)}
.progress .fill{position:absolute;left:5px;top:9px;height:3px;border-radius:2px;background:var(--gold)}
.progress .dot{position:absolute;top:4px;width:13px;height:13px;border-radius:50%;background:var(--key);border:2.5px solid var(--gold)}
.progress .dot.end{right:0;background:var(--card)}
.progress .dot.start{left:0}
.plabels{display:flex;justify-content:space-between;font-size:11px;color:var(--ink-faint);margin-top:2px}

.ledger-head{padding:20px 22px 8px;font-size:13.5px;font-weight:700;letter-spacing:.04em}
.rows{display:flex;flex-direction:column;gap:10px;padding:0 16px 8px}
.row{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:0;overflow:hidden}
.row .r-main{display:flex;align-items:center;gap:13px;padding:14px 15px 11px}
.row .r-ic{width:46px;height:46px;border-radius:50%;background:var(--key-soft);display:grid;place-items:center;color:var(--gold);flex:none}
.row .r-ic svg{width:21px;height:21px}
.row .r-body{flex:1;min-width:0}
.row .r-name{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700}
.row .r-name .pill{margin-left:auto}
.row .r-date{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--ink-soft);margin-top:3px}
.row .r-date .ic{display:inline-flex;color:var(--ink-faint)}
.row .r-date .ic svg{width:13px;height:13px}
.row .r-until{font-size:15px;font-weight:700;color:var(--gold);white-space:nowrap}
.row .r-meta{display:flex;align-items:center;gap:8px;border-top:1px solid var(--line);padding:9px 15px;font-size:12px;color:var(--ink-soft)}
.row .r-meta .ic{display:inline-flex;color:var(--ink-faint)}
.row .r-meta .ic svg{width:13px;height:13px}
.row .r-meta .plan{margin-left:auto;display:inline-flex;align-items:center;gap:5px;background:var(--key-soft);border-radius:999px;padding:4px 11px;font-size:11px;font-weight:700;color:var(--gold-deep)}
.row .snippet{padding:0 15px 12px;font-family:"Zen Old Mincho",serif;font-size:14.5px;line-height:1.95}
.pill{font-size:10.5px;font-weight:700;letter-spacing:.04em;padding:4px 10px;border-radius:999px;white-space:nowrap}
.pill.saving{background:var(--card-2);color:var(--ink-soft);box-shadow:inset 0 0 0 1px var(--line-strong)}
.pill.done{background:var(--key-soft);color:var(--gold-deep)}
.pill.manual{background:var(--key-soft);color:var(--gold-deep)}
.release{margin:0 15px 13px;padding:11px;border-radius:11px;background:var(--key-soft);color:var(--gold-deep);font-weight:700;font-size:13px;width:calc(100% - 30px)}
.foot-lock{display:flex;align-items:center;gap:6px;padding:4px 22px 14px;font-size:11.5px;color:var(--ink-faint)}
.foot-lock svg{width:12px;height:12px}
.empty{text-align:center;color:var(--ink-faint);padding:40px 24px;font-size:13px;line-height:2}

/* inbox banner */
.inbox{margin:14px 16px 0;background:var(--key-tint);border:1px solid var(--key);border-radius:15px;padding:14px 16px;display:flex;align-items:center;gap:12px;cursor:pointer}
.inbox .ico{width:38px;height:38px;border-radius:50%;background:var(--card);display:grid;place-items:center;color:var(--gold);flex:none}
.inbox .ico svg{width:18px;height:18px}
.inbox b{font-size:13.5px;color:var(--gold-deep)}
.inbox small{display:block;color:var(--ink-soft);font-size:11.5px}
.inbox .chev{margin-left:auto;color:var(--gold);font-weight:700}

/* ===== receipt ===== */
.rc-head{display:flex;align-items:center;padding:16px 16px 0}
.rc-head .back{font-size:22px;color:var(--ink-soft);padding:4px 10px}
.rc-head .ttl{flex:1;text-align:center;font-size:14.5px;font-weight:700;letter-spacing:.08em;margin-right:40px}
.rc-hero{text-align:center;padding:14px 24px 0}
.rc-hero .env{width:76px;margin:0 auto 10px;color:var(--ink)}
.rc-hero h2{font-size:24px;font-weight:700;letter-spacing:.02em}
.rc-hero .aged{color:var(--gold);font-weight:700;font-size:14px;margin-top:5px}
.rc-hero .from{color:var(--ink-faint);font-size:12.5px;margin-top:4px}
.letter{margin:16px 20px 0;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px 24px;box-shadow:var(--shadow);position:relative;animation:rise .6s cubic-bezier(.2,.8,.2,1)}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.letter{animation:none}}
.letter .heart{position:absolute;right:18px;top:18px;width:38px;height:38px;border-radius:50%;border:1.5px solid var(--key);display:grid;place-items:center;color:var(--gold)}
.letter .heart svg{width:17px;height:17px}
.letter .greet{font-size:17px;font-weight:700;margin-bottom:14px;font-family:"Zen Old Mincho",serif}
.letter .body{font-family:"Zen Old Mincho",serif;font-size:16.5px;line-height:2.2;white-space:pre-wrap}
.letter .sign{margin-top:20px;text-align:right;font-family:"Zen Old Mincho",serif;font-size:13px;color:var(--ink-soft);line-height:1.9}
.rc-special{text-align:center;font-size:12.5px;color:var(--ink-soft);padding:16px 20px 4px}
.rc-actions{padding:6px 20px 18px;display:flex;flex-direction:column;gap:4px}

/* ===== signup（封をする確認・1画面完結のコンパクト版） ===== */
.su-head{display:flex;align-items:center;padding:12px 16px 0}
.su-head .back{font-size:22px;color:var(--ink-soft);padding:2px 10px}
.su-head .ttl{flex:1;text-align:center;font-size:14px;font-weight:700;letter-spacing:.08em}
.su-head .step{font-size:12px;color:var(--ink-faint)}
.su-head .step b{color:var(--gold)}
.signup{padding:8px 22px 16px;display:flex;flex-direction:column}
.su-titlerow{display:flex;align-items:center;justify-content:center;gap:11px;margin:4px 0 2px}
.su-seal{width:44px;height:44px;border-radius:50%;background:var(--key-soft);display:grid;place-items:center;color:var(--gold);flex:none}
.su-seal svg{width:21px;height:21px}
.signup h2{font-size:20px;font-weight:700;letter-spacing:.02em}
.su-lead{font-size:13.5px;font-weight:700;margin-top:12px}
.su-lead-sub{font-size:11.5px;color:var(--ink-soft);margin-top:2px;line-height:1.7}
.su-sum{margin-top:10px;background:var(--card);border:1px solid var(--line);border-radius:13px;overflow:hidden}
.su-sum .r{display:flex;align-items:center;gap:11px;padding:9px 13px}
.su-sum .r + .r{border-top:1px solid var(--line)}
.su-sum .ic{width:30px;height:30px;border-radius:50%;background:var(--key-soft);display:grid;place-items:center;color:var(--gold);flex:none}
.su-sum .ic svg{width:14px;height:14px}
.su-sum small{display:block;font-size:10px;color:var(--ink-faint)}
.su-sum b{font-size:13.5px}
.su-sum .until{margin-left:auto;background:var(--key);border-radius:999px;padding:5px 11px;font-size:11.5px;font-weight:700;color:var(--on-key);white-space:nowrap}
.su-field{margin-top:12px}
.su-field label{display:block;font-size:12px;font-weight:700;margin-bottom:6px}
.su-mail{position:relative}
.su-mail .ic{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--ink-faint)}
.su-mail .ic svg{width:16px;height:16px}
.su-mail input{padding:12px 14px 12px 42px}
.su-privacy{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--ink-faint);margin-top:6px}
.su-privacy svg{width:11px;height:11px}
.su-warn{display:flex;align-items:center;gap:10px;margin-top:10px;background:var(--key-tint);border:1px solid var(--key);border-radius:11px;padding:9px 13px;font-size:12px;font-weight:700}
.su-warn .ic{width:26px;height:26px;border-radius:50%;background:var(--card);display:grid;place-items:center;color:var(--gold);flex:none}
.su-warn .ic svg{width:13px;height:13px}
.signup .msg{min-height:0;margin:6px 0 4px}
.signup .msg:empty{margin:2px 0}
.signup .btn{padding:14px;margin-top:6px}
.signup .linkbtn{padding:9px;font-size:12.5px}

/* ===== saved confirm ===== */
.confirm{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:40px 32px;gap:16px}
.confirm .seal{width:84px;height:84px;border-radius:50%;background:var(--key-soft);color:var(--gold);display:grid;place-items:center}
.confirm .seal svg{width:38px;height:38px}
.confirm h2{font-size:24px;font-weight:700}
.confirm p{color:var(--ink-soft);font-size:14px;line-height:2}
.deliver-chip{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:13px;padding:13px 18px;font-size:13.5px;line-height:1.8}
.deliver-chip b{color:var(--gold-deep)}
.chip-sub{font-size:11.5px;color:var(--ink-soft)}

/* ===== settings ===== */
.set-head{display:flex;align-items:center;gap:10px;padding:18px 16px 6px}
.set-head .back{font-size:22px;color:var(--ink-soft);padding:4px 10px}
.set-head h2{font-size:17px;font-weight:700}
.set-row{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:13px;padding:14px 16px}
.set-row b{font-size:14px;font-weight:700}
.set-row small{display:block;color:var(--ink-faint);font-size:11.5px;margin-top:2px}
.set-list{display:flex;flex-direction:column;gap:9px}
.mini-del{color:var(--gold-deep);font-size:12px;font-weight:700;padding:7px 11px;border-radius:9px;background:var(--key-soft)}
.switch{width:46px;height:28px;border-radius:999px;background:var(--line-strong);position:relative;transition:.18s;flex:none}
.switch.on{background:var(--key)}
.switch span{position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:.18s;box-shadow:0 1px 2px rgba(0,0,0,.3)}
.switch.on span{left:21px}
.anniv-add{display:flex;flex-direction:column;gap:8px;margin-top:10px}
.md-row{display:flex;gap:8px}
.tf.num{width:72px;text-align:center}
.btn.ghost.add{width:auto;flex:1;padding:12px;font-size:14px}
.set-note{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:14px 15px}
.set-note.ok{color:var(--gold-deep);font-size:13px;font-weight:700}
.code{font-size:20px;font-weight:700;letter-spacing:.14em;color:var(--gold-deep);background:var(--key-soft);border-radius:10px;padding:12px;text-align:center;font-variant-numeric:tabular-nums}

.center-load{flex:1;display:grid;place-items:center;color:var(--ink-faint);font-size:13px}
.mailer-flag{text-align:center;font-size:11px;color:var(--ink-faint)}
@media (max-width:470px){
  body{padding:0}
  .device{border-radius:0;border:none;min-height:100dvh;max-width:none}
  .credit{display:none}
}

/* ===== PCレイアウト（左サイドバー＋広い本文） ===== */
@media (min-width:900px){
  body{padding:0;gap:0;display:block}
  .device{max-width:none;border:none;border-radius:0;box-shadow:none;min-height:100dvh}
  .credit{display:none}
  /* タブバー → 左レール */
  .screen:has(> .tabbar){padding-left:240px}
  .tabbar{position:fixed;left:0;top:0;bottom:0;width:240px;flex-direction:column;justify-content:flex-start;gap:6px;border-top:none;border-right:1px solid var(--line);padding:30px 16px;background:var(--card);z-index:10}
  .tabbar::before{content:"ことば貯金";display:block;font-size:23px;font-weight:700;letter-spacing:.05em;padding:0 12px 22px;color:var(--ink)}
  .tab{flex:none;flex-direction:row;justify-content:flex-start;gap:12px;padding:13px 14px;border-radius:12px;font-size:14.5px}
  .tab + .tab{border-left:none}
  .tab.on{background:var(--key-soft);color:var(--gold-deep)}
  .tab.on::after{display:none}
  .tab svg{width:20px;height:20px}
  /* 本文は中央の1カラム（読みやすい幅） */
  .screen>*:not(.tabbar):not(.scroll){width:100%;max-width:720px;margin-left:auto;margin-right:auto}
  .scroll>*{max-width:720px;margin-left:auto;margin-right:auto}
  .cover,.inbox,.nextcard{margin-left:auto;margin-right:auto}
  .barzone{border-top:none;background:transparent;padding-top:4px}
  .ta{min-height:220px}
  .brand-word{font-size:40px}
  .c-head .piggy{right:4px;width:66px}
  .signup,.confirm{max-width:560px;margin-left:auto;margin-right:auto}
}

/* 仕組みの帯 — 初見でサービスが伝わるように常時表示（2026-09-02） */
.howto{
  list-style:none;display:flex;align-items:center;gap:6px;
  margin-top:14px;padding:9px 11px;
  background:var(--card);border:1px solid var(--line);border-radius:12px;
}
.howto li{
  display:flex;align-items:center;gap:5px;
  font-size:11px;font-weight:700;letter-spacing:.02em;
  color:var(--ink-soft);white-space:nowrap;
}
.howto li+li::before{content:"";width:10px;height:1px;background:var(--line-strong);flex:none}
.howto .hi{width:15px;height:15px;display:inline-flex;color:var(--gold);flex:none}
.howto .hi svg{width:15px;height:15px}

/* ひらく日ヒーローの未選択状態 — 何が入る枠なのかを先に見せる */
.open-hero.empty{background:transparent;border-style:dashed;border-color:var(--line-strong);padding:11px 13px;gap:11px}
.open-hero.empty .lk{width:34px;height:34px;background:var(--card-2);color:var(--ink-faint)}
.open-hero.empty .lk svg{width:17px;height:17px}
.open-hero .oh-body{text-align:left}
.open-hero.empty .oh-label{font-size:11px}
.open-hero.empty .oh-sub{font-size:11.5px;margin-top:1px}