/* Layout: one column that reads like the book's own pages. The one bold moment is the sign-up, set inside the
   closed cloth-bound book with its ribbon, the way the finished book is handed over. Tokens follow the prototype:
   plan A "明るく", always light (no dark scheme, by the maker's choice). */
:root{
  color-scheme:light;
  --paper:#FBFAF7;
  --surface:#FFFFFF;
  --ink:#2E2925;
  --ink-soft:#5F5750;
  --line:#E9E4DC;
  --control:#8C8278;
  --accent:#A04A1C;
  --accent-ink:#FFFFFF;
  --accent-soft:#F5E9E0;
  --cloth:#5F6E33;
  --cloth-deep:#4E5B29;
  --cloth-ink:#F5F0E1;
  --ribbon:#C67B5C;
  --ok:#4F6230;
  --focus:#A04A1C;
  --shadow:0 2px 4px rgba(58,46,37,.06),0 12px 32px rgba(58,46,37,.12);
  --font-ui:"Zen Maru Gothic","Hiragino Maru Gothic ProN","Hiragino Sans","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;
  --font-book:"Klee One","Hiragino Mincho ProN","Yu Mincho","Noto Serif JP",serif;
  --step--1:.875rem;
  --step-0:1.0625rem;
  --step-1:1.25rem;
  --step-2:clamp(1.375rem,1.2rem + .8vw,1.625rem);
  --step-3:clamp(1.75rem,1.25rem + 2.4vw,2.5rem);
  --radius:10px;
  --measure:38rem;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:72px;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-ui);font-size:var(--step-0);line-height:1.85;word-break:normal;overflow-wrap:anywhere}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-underline-offset:4px}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
h1,h2,h3{font-family:var(--font-book);font-weight:600;line-height:1.45;margin:0;text-wrap:balance;word-break:keep-all;overflow-wrap:anywhere}
p{margin:0;text-wrap:pretty}
.wrap{max-width:calc(var(--measure) + 32px);margin:0 auto;padding-inline:16px}
.wide{max-width:calc(56rem + 32px)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:8px;z-index:20;background:var(--surface);padding:8px 12px;border-radius:8px}
.small{font-size:var(--step--1);color:var(--ink-soft);line-height:1.75}
.eyebrow{font-size:var(--step--1);letter-spacing:.12em;color:var(--ink-soft)}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:var(--paper);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px}
.brand{font-family:var(--font-book);font-weight:600;font-size:1.25rem;letter-spacing:.04em;color:var(--ink);text-decoration:none;white-space:nowrap}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:999px;border:1px solid var(--control);background:var(--surface);color:var(--ink);font:inherit;font-weight:500;text-decoration:none;cursor:pointer;white-space:nowrap}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:700}
.btn.small{min-height:44px;padding:0 16px;font-size:.9375rem}
.btn[disabled]{opacity:.55;cursor:not-allowed}

/* sections */
main{display:grid;gap:72px;padding-block:24px 80px}
section{display:grid;gap:18px}
.sec-h{display:grid;gap:4px}
h2{font-size:var(--step-2)}
h3{font-size:var(--step-1)}

/* hero */
.hero{gap:20px}
.hero-text{display:grid;gap:16px}
.vow-h{font-family:var(--font-ui);font-size:var(--step--1);font-weight:500;letter-spacing:.12em;color:var(--ink-soft)}
.hero-art{margin:0;border-radius:4px;overflow:hidden;box-shadow:var(--shadow);transform:rotate(-.6deg)}
.hero h1{font-size:var(--step-3)}
.lead{color:var(--ink-soft)}
.cta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px}
.cta .note{font-size:var(--step--1);color:var(--ink-soft);flex:1 1 16rem;min-width:0}

@media (min-width:960px){
  .hero{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);align-items:center;max-width:calc(68rem + 32px);margin:0 auto;padding-inline:16px;column-gap:48px}
  .hero > .wrap{max-width:none;padding-inline:0;margin:0}
  .hero > .wrap.wide{order:2}
  .hero-text{order:1}
}
/* how it is made: a real order of steps */
.flow{list-style:none;margin:0;padding:0;display:grid;gap:14px;counter-reset:flow}
.flow li{counter-increment:flow;display:grid;grid-template-columns:2.25rem minmax(0,1fr);gap:2px 12px;align-items:start}
.flow li::before{content:counter(flow);grid-row:span 2;width:2.25rem;height:2.25rem;border-radius:50%;border:1.5px solid var(--accent);color:var(--accent);display:grid;place-items:center;font-family:var(--font-book);font-weight:600}
.flow b{font-weight:700}
.flow span{color:var(--ink-soft)}

/* the seven days, as the book's table of contents */
.days{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.days li{display:grid;grid-template-columns:4.5rem 5.5rem minmax(0,1fr);gap:8px;align-items:baseline;padding:10px 0;border-bottom:1px solid var(--line)}
.days .d{font-size:var(--step--1);color:var(--ink-soft);font-variant-numeric:tabular-nums}
.days .t{font-family:var(--font-book);font-weight:600}
@media (max-width:420px){.days li{grid-template-columns:4rem minmax(0,1fr)}.days .a{grid-column:2;grid-row:2;margin-top:-6px}.days .t{grid-column:2;grid-row:1}}

/* screens */
.screens{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(11rem,13.5rem);gap:16px;overflow-x:auto;padding:4px 2px 14px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.screens figure{margin:0;display:grid;gap:8px;scroll-snap-align:start}
.screens img{border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--surface)}
.screens figcaption{font-size:var(--step--1);color:var(--ink-soft);line-height:1.6}

/* what was said, and the page made from it */
.pair{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:12px}
.pair > div{padding:14px 16px;border-radius:var(--radius);display:grid;gap:6px;min-width:0}
.said{background:var(--accent-soft)}
.made{background:var(--surface);border:1px solid var(--line)}
.pair .label{font-size:var(--step--1);color:var(--ink-soft);letter-spacing:.06em}
.made .book{font-family:var(--font-book);line-height:2}

/* art */
.art-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.art-row img{border-radius:4px;box-shadow:0 1px 3px rgba(58,46,37,.25)}

/* data: the plan and the prototype side by side */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:14px}
.plan{padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);display:grid;gap:8px;align-content:start;min-width:0}
.plan h3{font-family:var(--font-ui);font-size:1rem;font-weight:700}
.plan ul{margin:0;padding-left:1.2em;display:grid;gap:6px}
.tag{display:inline-block;font-family:var(--font-ui);font-size:.75rem;font-weight:500;border:1px solid var(--line);border-radius:999px;padding:0 8px;margin-left:6px;color:var(--ink-soft);vertical-align:middle}

/* price */
/* price: the printed book comes first as the recommended plan, the digital one under it says what it holds */
.price{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:12px;align-items:start}
.plan{padding:14px 16px 16px;border:1px solid var(--line);border-top:2px solid var(--line);background:var(--surface);border-radius:0 0 var(--radius) var(--radius)}
.plan-main{border-color:var(--accent);border-top-width:4px}
.plan-tag{font-size:var(--step--1);color:var(--ink-soft)}
.plan-main .plan-tag{color:var(--accent);font-weight:700}
.plan-name{font-family:var(--font-ui);font-size:1rem;font-weight:700;margin:2px 0 0}
.plan-price{font-family:var(--font-book);font-size:1.75rem;font-weight:600;font-variant-numeric:tabular-nums;line-height:1.4}
.plan-list{margin:6px 0 0;padding-left:1.2em;font-size:var(--step--1);line-height:1.75}
.plan-list li+li{margin-top:2px}
.plan-note{margin-top:6px;font-size:var(--step--1);color:var(--ink-soft)}
.plan-list .nw{white-space:nowrap}

/* when */
.when{list-style:none;margin:0;padding:0;display:grid;gap:0}
.when li{display:grid;grid-template-columns:minmax(0,9.5rem) minmax(0,1fr);gap:4px 14px;padding:12px 0;border-bottom:1px dashed var(--line)}
.when b{font-family:var(--font-book);font-weight:600}
@media (max-width:420px){.when li{grid-template-columns:1fr}}
.calc{padding:16px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--control);display:grid;gap:12px}
.calc .row{display:flex;flex-wrap:wrap;gap:10px}
.field{display:grid;gap:4px;font-size:var(--step--1);color:var(--ink-soft);min-width:0}
.field select,.field input{font:inherit;font-size:1rem;color:var(--ink);min-height:48px;padding:0 12px;border:1px solid var(--control);border-radius:8px;background:var(--paper)}
.field input{width:100%}
.calc-out{display:grid;gap:4px;min-height:3em}
.calc-out b{font-family:var(--font-book);font-variant-numeric:tabular-nums}

/* maker */
.maker{display:grid;gap:6px;padding:16px;border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 var(--radius) var(--radius) 0}
.maker .name{font-family:var(--font-book);font-weight:600;font-size:var(--step-1)}

/* the one line */
.vow{margin:0;font-family:var(--font-book);font-size:var(--step-2);line-height:1.8;padding:8px 0 8px 18px;border-left:3px solid var(--ribbon)}

/* faq */
.faq{display:grid;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;min-height:52px;display:flex;align-items:center;gap:10px;font-weight:500;padding:8px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"＋";color:var(--accent);font-weight:700;flex:none}
.faq details[open] summary::before{content:"－"}
.faq details p{padding:0 0 14px 1.6em;color:var(--ink-soft)}

/* sign-up: the closed book with its ribbon */
.signup{gap:0}
.cover{position:relative;padding:28px 20px 40px;border-radius:6px 6px 0 0;background:var(--cloth);color:var(--cloth-ink);display:grid;gap:8px;overflow:hidden;box-shadow:var(--shadow)}
.cover::before{content:"";position:absolute;inset:10px;border:1px solid rgba(245,240,225,.35);border-radius:3px;pointer-events:none}
.cover::after{content:"";position:absolute;left:0;right:0;bottom:14px;height:14px;background:var(--ribbon)}
.cover h2{position:relative;color:var(--cloth-ink)}
.cover p{position:relative;color:var(--cloth-ink)}
.sheet{padding:20px;background:var(--surface);border:1px solid var(--line);border-top:0;border-radius:0 0 6px 6px;display:grid;gap:16px;box-shadow:var(--shadow)}
.purpose{display:grid;gap:8px;padding:12px 14px;border-radius:8px;background:var(--accent-soft)}
.purpose ul{margin:0;padding-left:1.2em;display:grid;gap:4px}
.fields{display:grid;gap:14px}
.check{display:flex;gap:10px;align-items:flex-start;min-height:44px;cursor:pointer;line-height:1.7}
.check input{width:22px;height:22px;margin-top:4px;flex:none;accent-color:var(--accent)}
.req{color:var(--accent);font-weight:700}
.status:empty{display:none}
.status{padding:10px 12px;border-radius:8px;background:var(--accent-soft);color:var(--ink)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* footer */
footer{border-top:1px solid var(--line);padding-block:28px 40px}
footer .wrap{display:grid;gap:12px}
.links{display:flex;flex-wrap:wrap;gap:4px 18px;margin:0;padding:0;list-style:none}
.links a{display:inline-flex;min-height:44px;align-items:center}

/* inner pages */
.doc{display:grid;gap:18px}
.doc h1{font-size:var(--step-2);word-break:normal;line-break:strict}
.doc h2,.doc h3{word-break:normal;line-break:strict}
.doc h2{font-size:var(--step-1);margin-top:12px}
.doc ul,.doc ol{margin:0;padding-left:1.3em;display:grid;gap:4px}
.doc table{border-collapse:collapse;width:100%;font-size:.9375rem}
.doc th,.doc td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.doc .tbl{overflow-x:auto}
.draft{padding:10px 12px;border:1px dashed var(--control);border-radius:8px;font-size:var(--step--1);color:var(--ink-soft)}
pre.lic{white-space:pre-wrap;overflow-wrap:anywhere;font-size:.8125rem;line-height:1.55;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);max-height:22em;overflow:auto}

@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}