@font-face{font-family:"Fukuro Mincho";src:url(fonts/mincho-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Fukuro Mincho";src:url(fonts/mincho-800.woff2) format("woff2");font-weight:700 900;font-display:swap}
@font-face{font-family:"Fukuro Gothic";src:url(fonts/gothic-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Fukuro Gothic";src:url(fonts/gothic-500.woff2) format("woff2");font-weight:500 700;font-display:swap}
html{-webkit-text-size-adjust:100%;color-scheme:light}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}

/* Layout: one phone-width column, paper ground, envelope cards in a 2-up grid, fixed bottom tab bar. */
:root{
  --bg:#f2f3ef;          /* washi, slight green-grey bias */
  --surface:#fbfbf8;
  --ink:#1d2330;         /* sumi with indigo bias */
  --muted:#5f6675;
  --line:#d9dcd3;
  --ai:#22406e;          /* 藍 indigo accent */
  --ai-soft:#e3e9f2;
  --kraft:#e7d7b9;       /* envelope paper */
  --kraft-edge:#cdb68c;
  --kraft-ink:#4a3a1f;
  --shu:#c8372d;         /* 朱 stamp red, used only for stamps */
  --good:#2f7a4f;
  --warn:#b8641c;
  --paper:#f7f4ec;       /* constant light disc behind ink drawings */
  --k1:#2f5d9a;--k2:#d0892e;--k3:#3f8a5a;--k4:#8a5aa8; /* kakeibo: needs, wants, culture, unexpected */
  --f-display:"Fukuro Mincho","Hiragino Mincho ProN","Yu Mincho",Georgia,serif;
  --f-body:"Fukuro Gothic","Hiragino Sans","Yu Gothic",system-ui,-apple-system,sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#14171d;--surface:#1c2028;--ink:#e9ebef;--muted:#a3a9b6;--line:#2e3440;
  --ai:#8fb0e6;--ai-soft:#232c3c;--kraft:#3b3326;--kraft-edge:#5a4c34;--kraft-ink:#efe2c6;
  --shu:#ef6a5c;--good:#6cc495;--warn:#e8a25e;--k1:#7fa6e0;--k2:#e8a960;--k3:#74c491;--k4:#b994d6;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#14171d;--surface:#1c2028;--ink:#e9ebef;--muted:#a3a9b6;--line:#2e3440;
  --ai:#8fb0e6;--ai-soft:#232c3c;--kraft:#3b3326;--kraft-edge:#5a4c34;--kraft-ink:#efe2c6;
  --shu:#ef6a5c;--good:#6cc495;--warn:#e8a25e;--k1:#7fa6e0;--k2:#e8a960;--k3:#74c491;--k4:#b994d6;color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.5;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));
  padding-block:0 calc(84px + env(safe-area-inset-bottom,0px))}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg)}
.wrap{max-width:460px;margin:0 auto;display:flex;flex-direction:column;gap:18px}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--ai);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}

/* header */
.top{display:flex;align-items:center;justify-content:space-between;padding-top:calc(14px + env(safe-area-inset-top,0px))}
.brand{display:flex;align-items:center;gap:10px}
.seal{width:34px;height:34px;border:2px solid var(--shu);color:var(--shu);border-radius:6px;display:grid;place-items:center;
  font-family:var(--f-display);font-weight:800;font-size:20px;line-height:1;transform:rotate(-4deg)}
.brand b{font-family:var(--f-display);font-weight:800;font-size:22px;letter-spacing:.02em}
.brand small{display:block;color:var(--muted);font-size:11px;letter-spacing:.08em;text-transform:uppercase;margin-top:-2px}
.sample{font-size:11px;color:var(--muted);border:1px dashed var(--line);border-radius:999px;padding:3px 9px}

/* hero */
.hero{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:end}
.period{font-size:12px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.free-label{font-size:14px;color:var(--muted);margin-top:6px}
.free{font-family:var(--f-display);font-weight:800;font-size:52px;line-height:1.05;letter-spacing:-.01em}
.free.neg{color:var(--shu)}
.perday{font-size:14px;color:var(--muted)}
.perday b{color:var(--ink)}
.sensei{width:108px;height:108px;border-radius:50%;background:var(--paper);display:grid;place-items:center;overflow:hidden;flex:none;border:1px solid var(--line)}
.sensei img{height:96px;width:auto;margin-top:12px}
.bubble{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:10px 14px;font-size:14px;position:relative}
.bubble::before{content:"";position:absolute;right:46px;top:-7px;width:12px;height:12px;background:var(--surface);border-left:1px solid var(--line);border-top:1px solid var(--line);transform:rotate(45deg)}
.bar{height:8px;border-radius:99px;background:var(--line);overflow:hidden;display:flex}
.bar i{display:block;height:100%}

/* sections */
h2{font-family:var(--f-display);font-weight:800;font-size:19px;margin:0;display:flex;align-items:baseline;gap:8px;text-wrap:balance}
h2 .jp{font-size:13px;color:var(--muted);font-weight:600}
.sec{display:flex;flex-direction:column;gap:10px}
.hint{font-size:13px;color:var(--muted);margin:0}

/* envelopes */
.envs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.env{position:relative;background:var(--kraft);color:var(--kraft-ink);border:1px solid var(--kraft-edge);border-radius:6px;
  padding:30px 12px 12px;text-align:left;min-height:118px;display:flex;flex-direction:column;gap:2px;overflow:hidden}
.env::before{content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:22px;
  background:linear-gradient(to bottom right,transparent 49.5%,var(--kraft-edge) 50%,transparent 51.5%) left/50% 100% no-repeat,
             linear-gradient(to bottom left,transparent 49.5%,var(--kraft-edge) 50%,transparent 51.5%) right/50% 100% no-repeat}
.env .kanji{position:absolute;right:8px;top:24px;writing-mode:vertical-rl;font-family:var(--f-display);font-weight:800;font-size:22px;opacity:.28;letter-spacing:.05em}
.env .nm{font-weight:700;font-size:14px;padding-right:26px;overflow-wrap:anywhere}
.env .amt{font-family:var(--f-display);font-weight:800;font-size:22px}
.env .due{font-size:12px;opacity:.8}
.env .done{position:absolute;right:10px;bottom:10px;width:40px;height:40px;border:2px solid var(--shu);border-radius:50%;color:var(--shu);
  display:grid;place-items:center;font-family:var(--f-display);font-weight:800;font-size:18px;transform:rotate(-12deg);opacity:0;transition:opacity .2s}
.env[aria-pressed="true"] .done{opacity:.9}
.env.heso{background:var(--ai-soft);border-color:var(--ai);color:var(--ink)}
.env.heso::before{background:linear-gradient(to bottom right,transparent 49.5%,var(--ai) 50%,transparent 51.5%) left/50% 100% no-repeat,
             linear-gradient(to bottom left,transparent 49.5%,var(--ai) 50%,transparent 51.5%) right/50% 100% no-repeat}

.callout{display:flex;gap:12px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px}
.callout .sensei{width:64px;height:64px}
.callout .sensei img{height:58px;margin-top:8px}
.callout p{margin:0;font-size:14px}
.callout.extra{border-color:var(--ai)}

/* forms & lists */
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px}
.row{display:flex;gap:8px;align-items:center}
.row > *{min-width:0}
#spendForm .row input{flex:1 1 0;min-width:0}
#spendForm #spAmt{flex:0 0 92px}
.env.heso .kanji{font-size:15px;top:26px}
input,select,textarea{font-size:16px;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:9px 10px;width:100%}
textarea{min-height:90px;font-size:12px;font-family:ui-monospace,Menlo,monospace}
label{font-size:12px;color:var(--muted);display:flex;flex-direction:column;gap:4px}
.btn{background:var(--ai);color:var(--bg);border:0;border-radius:8px;padding:9px 14px;font-weight:700;white-space:nowrap}
.btn.ghost{background:transparent;color:var(--ai);border:1px solid var(--ai)}
.btn.danger{background:transparent;color:var(--shu);border:1px solid var(--shu)}
.btn.small{padding:5px 10px;font-size:13px}
.list{display:flex;flex-direction:column}
.li{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.li:last-child{border-bottom:0}
.li .grow{flex:1;min-width:0}
.li .t{font-weight:500;overflow-wrap:anywhere}
.li .s{font-size:12px;color:var(--muted)}
.badge{width:34px;height:34px;border-radius:6px;background:var(--kraft);color:var(--kraft-ink);border:1px solid var(--kraft-edge);
  display:grid;place-items:center;font-family:var(--f-display);font-weight:800;font-size:13px;flex:none;line-height:1}
.x{background:none;border:0;color:var(--muted);font-size:18px;padding:4px 8px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}

/* plan */
.pay{display:flex;flex-direction:column;gap:6px;padding:12px 0;border-bottom:1px solid var(--line)}
.pay:last-child{border-bottom:0}
.pay summary{list-style:none;cursor:pointer;display:flex;flex-direction:column;gap:6px}
.pay summary::-webkit-details-marker{display:none}
.pay .head{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.pay .d{font-weight:700}
.pill{font-size:11px;border-radius:999px;padding:2px 8px;border:1px solid var(--ai);color:var(--ai);margin-left:6px;font-weight:700;letter-spacing:.03em}
.pill.now{border-color:var(--ink);color:var(--ink)}
.legend{display:flex;gap:14px;font-size:12px;color:var(--muted);flex-wrap:wrap}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:5px;vertical-align:-1px}
.c-bill{background:var(--kraft-edge)}.c-heso{background:var(--ai)}.c-free{background:var(--good)}.c-spent{background:var(--warn)}
.pay ul{margin:4px 0 0;padding:0;list-style:none;font-size:13px;color:var(--muted)}
.pay li{display:flex;justify-content:space-between;gap:8px;padding:2px 0}
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px}
.stat .k{font-size:12px;color:var(--muted)}
.stat .v{font-family:var(--f-display);font-weight:800;font-size:22px}

/* tab bar */
nav.tabs{position:fixed;left:0;right:0;bottom:0;z-index:20;background:var(--surface);border-top:1px solid var(--line);
  display:flex;justify-content:center;padding:6px max(16px,env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
nav.tabs .in{display:grid;grid-template-columns:repeat(5,1fr);width:100%;max-width:460px}
nav.tabs button{background:none;border:0;padding:6px 0;display:flex;flex-direction:column;align-items:center;gap:0;color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.04em}
nav.tabs button .k{font-family:var(--f-display);font-size:19px;font-weight:800;line-height:1.2}
nav.tabs button[aria-selected="true"]{color:var(--ai)}
.confirm{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:13px}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(80px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--bg);
  padding:8px 14px;border-radius:999px;font-size:13px;z-index:30}
/* spending categories */
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--bg);border-radius:999px;padding:5px 11px;font-size:13px;display:flex;gap:6px;align-items:center}
.chip i{width:9px;height:9px;border-radius:50%;display:inline-block}
.chip[aria-pressed="true"]{border-color:var(--ink);font-weight:700}
.kb{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;color:#fff;font-family:var(--f-display);font-weight:800;font-size:14px;flex:none}
.k-needs{background:var(--k1)}.k-wants{background:var(--k2)}.k-culture{background:var(--k3)}.k-extra{background:var(--k4)}
/* review */
.seg{display:inline-grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:999px;padding:3px;background:var(--surface)}
.seg button{border:0;background:none;border-radius:999px;padding:5px 16px;font-size:13px;font-weight:700;color:var(--muted)}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.mnav{display:flex;align-items:center;justify-content:space-between;gap:8px}
.mnav b{font-family:var(--f-display);font-weight:800;font-size:22px}
.mnav button{background:var(--surface);border:1px solid var(--line);border-radius:50%;width:36px;height:36px;font-size:18px;line-height:1}
.mnav button:disabled{opacity:.35;cursor:default}
.verdict{display:flex;gap:14px;align-items:center}
.stamp{flex:none;width:132px;height:132px;border:3px solid var(--shu);border-radius:50%;color:var(--shu);display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;transform:rotate(-8deg);font-family:var(--f-display);font-weight:800;line-height:1.15;padding:8px}
.stamp .big{font-size:13px;letter-spacing:0;white-space:nowrap}
.stamp .big span{display:block}
.stamp .en{font-family:var(--f-body);font-size:9px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-top:5px;white-space:nowrap}
.stamp.none{border-style:dashed;border-color:var(--line);color:var(--muted);transform:none}
.q{display:grid;grid-template-columns:28px 1fr auto;gap:10px;align-items:baseline;padding:10px 0;border-bottom:1px solid var(--line)}
.q:last-child{border-bottom:0}
.q .n{font-family:var(--f-display);font-weight:800;color:var(--muted)}
.q .v{font-family:var(--f-display);font-weight:800;font-size:18px}
.q small{display:block;color:var(--muted);font-size:12px}
.q4{display:flex;flex-direction:column;gap:8px;padding-top:10px}
.q4 textarea{font-family:var(--f-body);font-size:16px;min-height:72px}
.catrow{display:grid;grid-template-columns:30px 1fr auto;gap:10px;align-items:center;padding:6px 0}
.catrow .track{height:8px;border-radius:99px;background:var(--line);overflow:hidden}
.catrow .track i{display:block;height:100%}
.marks{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}
.mk{display:flex;flex-direction:column;align-items:center;gap:2px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:8px 0;font-size:12px;color:var(--muted)}
.mk b{font-size:24px;line-height:1;color:var(--shu);font-family:var(--f-display);min-height:24px}
.mk.cur{border-color:var(--ink)}
.yrow{display:grid;grid-template-columns:44px 1fr 74px;gap:10px;align-items:center;padding:5px 0;font-size:13px}
.yrow .bar{height:12px}
.yrow .r{text-align:right}
.left-neg{color:var(--shu)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
.lang{background:transparent;border:1px solid var(--line);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700;color:var(--ai)}
.top .row{gap:6px}

/* release additions */
.banner{display:flex;flex-direction:column;gap:8px;background:var(--ai-soft);border:1px solid var(--ai);border-radius:12px;padding:12px;font-size:14px}
.banner p{margin:0}
.steps{margin:0;padding-left:20px;font-size:14px;display:flex;flex-direction:column;gap:4px}
details.more summary{cursor:pointer;color:var(--ai);font-size:13px;font-weight:700}
.filebtn{position:relative;overflow:hidden}
.filebtn input{position:absolute;inset:0;opacity:0;cursor:pointer}
.foot{font-size:11px;color:var(--muted);text-align:center;padding-block:8px 0}