/* ユメコマ: 紙と墨と朱。文芸誌のような落ち着き。絵文字は使わない */
:root {
  --paper: #f5f1e9;
  --paper-2: #ece6da;
  --card: #fbf9f4;
  --ink: #17140f;
  --ink-2: #3d372e;
  --mute: #6f675a;
  --line: rgb(23 20 15 / .12);
  --line-2: rgb(23 20 15 / .22);
  --shu: #b3402a;
  --shu-2: #962f1c;
  --gold: #a8874a;
  --ok: #2f6b4f;
  --radius: 12px;
  --shadow: 0 1px 2px rgb(23 20 15 / .06), 0 18px 40px -22px rgb(23 20 15 / .45);
  --mincho: "Zen Old Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --gothic: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", system-ui, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink); font: 400 16px/1.8 var(--gothic); letter-spacing: .02em;
  background-image: radial-gradient(rgb(23 20 15 / .035) 1px, transparent 1px); background-size: 3px 3px;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
h1, h2, h3 { font-family: var(--mincho); font-weight: 600; letter-spacing: .04em; line-height: 1.35; margin: 0; }
p { margin: 0; }
.eyebrow { font: 600 12px/1 var(--gothic); letter-spacing: .28em; color: var(--shu); text-transform: uppercase; display: inline-flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; }
.lead { font-size: 17px; color: var(--ink-2); max-width: 36em; }
.mute { color: var(--mute); }
.small { font-size: 14px; }

/* ---------------------------------------------------------------- 上の帯 */
header.top { position: sticky; top: 0; z-index: 30; background: rgb(245 241 233 / .92); border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand svg { width: 34px; height: 34px; }
.brand b { font: 600 21px/1 var(--mincho); letter-spacing: .12em; }
.brand small { display: block; font: 600 9px/1 var(--gothic); letter-spacing: .32em; color: var(--mute); margin-top: 4px; }
nav.main { display: flex; gap: 4px; margin-left: auto; align-items: center; }
nav.main a { text-decoration: none; font-size: 15px; padding: 8px 12px; border-radius: 8px; color: var(--ink-2); }
nav.main a:hover, nav.main a[aria-current="page"] { color: var(--ink); background: rgb(23 20 15 / .05); }
nav.main .btn { margin-left: 8px; color: var(--paper); }
nav.main .btn:hover { color: var(--paper); }
@media (max-width: 760px) {
  header.top .wrap { height: 56px; }
  nav.main { position: fixed; left: 0; right: 0; bottom: 0; margin: 0; justify-content: space-around; background: var(--card); border-top: 1px solid var(--line); padding: 6px 4px calc(6px + env(safe-area-inset-bottom)); z-index: 40; }
  nav.main a { font-size: 13px; padding: 10px 2px; text-align: center; flex: 1; white-space: nowrap; letter-spacing: 0; line-height: 1.4; }
  nav.main .btn { display: none; }
  body { padding-bottom: 64px; }
}

/* ---------------------------------------------------------------- ボタン・入力 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border-radius: 10px;
  font: 600 16px/1 var(--gothic); letter-spacing: .06em; text-decoration: none; cursor: pointer; border: 1px solid transparent;
  background: var(--ink); color: var(--paper); transition: background .16s, transform .16s, box-shadow .16s;
}
.btn:hover { background: #2b261e; box-shadow: var(--shadow); }
.btn:active { transform: scale(.97); }
.btn.shu { background: var(--shu); }
.btn.shu:hover { background: var(--shu-2); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn.ghost:hover { background: rgb(23 20 15 / .04); box-shadow: none; }
.btn.sm { min-height: 40px; padding: 0 16px; font-size: 14px; }
.btn[disabled] { opacity: .5; pointer-events: none; }
.link { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--line-2); }
label.f { display: block; font-weight: 600; font-size: 15px; margin: 22px 0 8px; }
label.f small { font-weight: 400; color: var(--mute); margin-left: 8px; }
input[type=text], textarea, select {
  width: 100%; font: 400 16px/1.7 var(--gothic); color: var(--ink); background: var(--card); border: 1px solid var(--line-2); border-radius: 10px; padding: 12px 14px;
}
textarea { min-height: 110px; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid rgb(179 64 42 / .35); outline-offset: 1px; border-color: var(--shu); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { position: relative; }
.chips input { position: absolute; opacity: 0; inset: 0; }
.chips span { display: inline-flex; align-items: center; min-height: 42px; padding: 0 16px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--card); cursor: pointer; font-size: 15px; transition: border-color .16s, background .16s; }
.chips input:checked + span { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.chips input:focus-visible + span { outline: 2px solid var(--shu); }
.err { color: var(--shu-2); font-size: 15px; margin-top: 12px; min-height: 1.6em; }

/* ---------------------------------------------------------------- トップ */
.hero { padding: 72px 0 96px; overflow-x: clip; }
.hero .grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(36px, 5.4vw, 64px); margin: 18px 0 22px; }
.hero h1 em { font-style: normal; color: var(--shu); }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.hero .note { margin-top: 16px; font-size: 14px; color: var(--mute); }
.stack { position: relative; aspect-ratio: 760/1000; max-width: 470px; margin-left: auto; width: 100%; }
.stack .sheet { position: absolute; inset: 0; background: #fff; box-shadow: var(--shadow); border-radius: 4px; overflow: hidden; transform-origin: 50% 100%; animation: sheet-in .52s cubic-bezier(.16,1,.3,1) both; }
.stack .sheet:nth-child(1) { transform: rotate(-7deg) translate(-26px, 10px); animation-delay: .05s; }
.stack .sheet:nth-child(2) { transform: rotate(4deg) translate(22px, 4px); animation-delay: .12s; }
.stack .sheet:nth-child(3) { transform: none; animation-delay: .2s; }
@keyframes sheet-in { from { opacity: 0; translate: 0 26px; } to { opacity: 1; translate: 0 0; } }
.stack .sheet .page { width: 100%; height: 100%; box-shadow: none; }
.stack .stamp { position: absolute; right: -10px; bottom: 28px; z-index: 5; background: var(--shu); color: #fff; font: 600 13px/1.4 var(--mincho); letter-spacing: .2em; writing-mode: vertical-rl; padding: 14px 8px; border-radius: 4px; box-shadow: var(--shadow); }
section.band { padding: 104px 0; border-top: 1px solid var(--line); }
section.band h2 { font-size: clamp(28px, 3.6vw, 40px); margin: 14px 0 18px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 48px; border-top: 1px solid var(--line-2); }
.steps li { list-style: none; padding: 28px 28px 8px 0; border-right: 1px solid var(--line); }
.steps li + li { padding-left: 28px; }
.steps li:last-child { border-right: 0; }
.steps .no { font: 600 44px/1 var(--mincho); color: var(--shu); }
.steps h3 { font-size: 21px; margin: 16px 0 10px; }
.steps p { color: var(--ink-2); font-size: 15px; }
.feature { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: center; margin-top: 56px; }
.feature.flip { grid-template-columns: 1fr 1.2fr; }
.feature.flip .pic { order: 2; }
.feature .pic { background: #fff; border-radius: 6px; box-shadow: var(--shadow); overflow: hidden; }
.feature h3 { font-size: 26px; margin: 12px 0 14px; }
.feature p { color: var(--ink-2); }
.refs { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--line); }
.refs figure { margin: 0; background: #fff; position: relative; }
.refs figcaption { position: absolute; left: 12px; bottom: 10px; font: 600 15px var(--mincho); background: #fff; padding: 2px 10px; border: 1px solid var(--ink); }
.rules { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 40px; }
.rules div { border-left: 2px solid var(--ink); padding-left: 18px; }
.rules h3 { font-size: 19px; margin-bottom: 8px; }
.rules p { font-size: 15px; color: var(--ink-2); }
.final { text-align: left; padding: 96px 0; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.final h2 { font-size: clamp(26px, 3.4vw, 38px); }
@media (max-width: 900px) {
  .hero { padding: 40px 0 72px; }
  .hero .grid, .feature, .feature.flip { grid-template-columns: 1fr; gap: 40px; }
  .feature.flip .pic { order: 0; }
  .stack { margin: 0 auto; max-width: 360px; }
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li + li { border-right: 0; border-bottom: 1px solid var(--line); padding: 24px 0; }
  .rules { grid-template-columns: 1fr; }
  section.band { padding: 72px 0; }
}

/* ---------------------------------------------------------------- 漫画のページ */
.page {
  --gap: 2.2%;
  position: relative; background: #fff; aspect-ratio: 760 / 1080; width: 100%;
  padding: 5% 4.4% 6.4%; display: grid; gap: var(--gap) 2%; box-shadow: var(--shadow); border-radius: 2px;
}
.page .no { position: absolute; bottom: 1.8%; left: 0; right: 0; text-align: center; font: 600 12px var(--mincho); color: var(--mute); }
.cell { position: relative; border: 2.5px solid #111; overflow: hidden; background: #e9e7e2; container-type: size; }
.cell img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.06); }
.cell.wait { background: linear-gradient(100deg, #ebe8e2 30%, #f6f4ef 50%, #ebe8e2 70%) 0 0 / 300% 100%; animation: shimmer 1.4s linear infinite; }
.cell.wait::after { content: "描いています"; position: absolute; left: 8px; bottom: 6px; font-size: 11px; color: var(--mute); letter-spacing: .1em; }
.cell.skip::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(135deg, transparent 0 10px, rgb(0 0 0 / .04) 10px 11px); }
@keyframes shimmer { to { background-position: -300% 0; } }
.bub {
  position: absolute; writing-mode: vertical-rl; background: #fff; color: #111; border: 1.5px solid #111; border-radius: 50% / 38%;
  padding: 1em .62em; font: 600 clamp(10px, 6.4cqw, 20px)/1.42 var(--mincho); max-height: 78%; letter-spacing: .04em; z-index: 2;
}
.bub.p0 { top: 4%; right: 4%; }
.bub.p1 { top: 9%; left: 4%; }
.bub.p2 { bottom: 5%; left: 30%; }
.narr { position: absolute; top: 0; right: 0; writing-mode: vertical-rl; background: #111; color: #fff; padding: .7em .45em; font: 600 clamp(10px, 5.6cqw, 17px)/1.45 var(--mincho); max-height: 82%; z-index: 2; letter-spacing: .06em; }
.narr.p1, .narr.p2 { right: auto; left: 0; }
.sfx { position: absolute; top: 16%; left: 14%; font: 900 clamp(18px, 15cqw, 56px)/1 var(--gothic); color: #fff; -webkit-text-stroke: 2.5px #111; paint-order: stroke; transform: rotate(-10deg); z-index: 2; letter-spacing: .02em; }
.cell button.redo { position: absolute; right: 6px; bottom: 6px; z-index: 3; font: 600 12px var(--gothic); background: rgb(255 255 255 / .92); border: 1px solid var(--line-2); border-radius: 8px; padding: 6px 10px; cursor: pointer; opacity: 0; transition: opacity .16s; }
.cell:hover button.redo, .cell button.redo:focus { opacity: 1; }
@media (hover: none) { .cell button.redo { opacity: .9; } }

/* 読む画面: スマホは1ページずつ、広い画面は見開き(右から) */
.reader { display: grid; gap: 28px; justify-content: center; grid-template-columns: min(560px, 100%); }
@media (min-width: 1100px) {
  .reader { grid-template-columns: repeat(2, 500px); direction: rtl; gap: 28px 6px; }
  .reader .page { direction: ltr; }
  .reader .first { grid-column: 1; }
}
.bookhead { padding: 48px 0 32px; display: grid; gap: 14px; }
.bookhead h1 { font-size: clamp(28px, 4vw, 44px); }
.meta { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 14px; color: var(--mute); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; }
.progress { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; display: grid; gap: 12px; }
.bar { height: 6px; background: var(--paper-2); border-radius: 6px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--shu); width: 0; transition: width .4s cubic-bezier(.16,1,.3,1); }

/* ---------------------------------------------------------------- 一覧・カード */
.shelf { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(200px, calc(50% - 8px)), 1fr)); gap: 32px 24px; margin-top: 28px; }
@media (max-width: 760px) { .shelf { gap: 24px 16px; } .bk .cv .tt { font-size: 13px; } }
.bk { text-decoration: none; display: grid; gap: 10px; }
.bk .cv { aspect-ratio: 3/4; background: #fff; box-shadow: var(--shadow); border-radius: 3px; overflow: hidden; position: relative; transition: transform .28s cubic-bezier(.16,1,.3,1), box-shadow .28s; }
.bk:hover .cv { transform: translateY(-4px) rotate(-.6deg); }
.bk .cv img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.06); }
.bk .cv .tt { position: absolute; top: 10px; right: 10px; writing-mode: vertical-rl; background: #fff; border: 1.5px solid #111; padding: 10px 5px; font: 600 15px/1.3 var(--mincho); max-height: 80%; }
.bk .cv .st { position: absolute; left: 10px; bottom: 10px; background: var(--ink); color: var(--paper); font-size: 12px; padding: 3px 8px; border-radius: 6px; }
.bk h3 { font-size: 17px; }
.bk p { font-size: 13px; color: var(--mute); }
.empty { border: 1px dashed var(--line-2); border-radius: var(--radius); padding: 40px 24px; color: var(--mute); text-align: center; }
.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--line); margin-top: 28px; overflow-x: auto; }
.tabs a, .tabs button { font: 600 15px var(--gothic); background: none; border: 0; padding: 12px 14px; border-bottom: 2px solid transparent; color: var(--mute); text-decoration: none; cursor: pointer; white-space: nowrap; }
.tabs [aria-selected="true"], .tabs [aria-current="page"] { color: var(--ink); border-color: var(--shu); }

/* ---------------------------------------------------------------- 作る画面 */
.studio { display: grid; grid-template-columns: 1fr 380px; gap: 48px; padding: 40px 0 96px; align-items: start; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.panel h2 { font-size: 24px; margin-bottom: 4px; }
.cast { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; margin-top: 12px; }
.cast label { position: relative; display: grid; gap: 6px; cursor: pointer; }
.cast input { position: absolute; opacity: 0; }
.cast .face { aspect-ratio: 1; border-radius: 8px; overflow: hidden; background: var(--paper-2); border: 2px solid transparent; transition: border-color .16s; }
.cast .face img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); }
.cast input:checked ~ .face { border-color: var(--shu); }
.cast input:focus-visible ~ .face { outline: 2px solid var(--shu); }
.cast b { font: 600 15px var(--mincho); }
.cast .chk { position: absolute; top: 8px; right: 8px; width: 24px; height: 24px; border-radius: 50%; background: #fff; border: 1.5px solid var(--line-2); z-index: 2; }
.cast input:checked ~ .chk { background: var(--shu); border-color: var(--shu); box-shadow: inset 0 0 0 4px #fff; }
.side { display: grid; gap: 20px; position: sticky; top: 88px; }
.quota { display: grid; gap: 6px; font-size: 15px; }
.quota b { font: 600 30px/1 var(--mincho); }
@media (max-width: 900px) { .studio { grid-template-columns: 1fr; gap: 28px; padding-top: 24px; } .side { position: static; } .panel { padding: 22px 18px; } }

/* ---------------------------------------------------------------- プラン */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 40px; border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; background: var(--card); }
.plans > div { padding: 32px 28px; display: grid; gap: 14px; align-content: start; border-left: 1px solid var(--line); }
.plans > div:first-child { border-left: 0; }
.plans .rec { background: #fff; box-shadow: inset 0 3px 0 var(--shu); }
.plans h3 { font-size: 22px; }
.plans .price { font: 600 36px/1 var(--mincho); }
.plans .price small { font: 400 14px var(--gothic); color: var(--mute); }
.plans ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; font-size: 15px; }
.plans li { padding-left: 18px; position: relative; }
.plans li::before { content: ""; position: absolute; left: 0; top: .75em; width: 8px; height: 1.5px; background: var(--shu); }
@media (max-width: 900px) { .plans { grid-template-columns: 1fr; } .plans > div { border-left: 0; border-top: 1px solid var(--line); } .plans > div:first-child { border-top: 0; } }

/* ---------------------------------------------------------------- 一時停止の画面・知らせ */
.halt { position: fixed; inset: 0; z-index: 100; background: rgb(23 20 15 / .72); display: grid; place-items: center; padding: 16px; }
.halt > div { background: var(--card); max-width: 460px; width: 100%; border-radius: 14px; padding: 36px 28px; display: grid; gap: 14px; box-shadow: var(--shadow); }
.halt .mark { width: 56px; height: 56px; }
.halt h2 { font-size: 24px; }
.halt dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 15px; }
.halt dt { color: var(--mute); }
.halt dd { margin: 0; }
.toast { position: fixed; left: 50%; bottom: 84px; transform: translateX(-50%); background: var(--ink); color: var(--paper); padding: 12px 18px; border-radius: 10px; font-size: 15px; z-index: 90; box-shadow: var(--shadow); max-width: calc(100% - 32px); }
footer.foot { border-top: 1px solid var(--line); padding: 40px 0 56px; font-size: 14px; color: var(--mute); }
footer.foot .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }
footer.foot nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
footer.foot a { text-decoration: none; }
footer.foot a:hover { color: var(--ink); }
.pagehead { padding: 48px 0 8px; display: grid; gap: 12px; }
.pagehead h1 { font-size: clamp(30px, 4vw, 44px); }
.center { text-align: center; }
[hidden] { display: none !important; }
.mt { margin-top: 36px; }

/* 本棚の登場人物 */
.roster { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 20px; }
.person { display: grid; grid-template-columns: 120px 1fr; gap: 18px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.person .face { aspect-ratio: 1; border-radius: 8px; overflow: hidden; background: var(--paper-2); display: grid; place-items: center; }
.person .face img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05); }
.person .body { display: grid; gap: 6px; align-content: start; min-width: 0; }
.person h3 { font-size: 20px; }
.person p { overflow-wrap: anywhere; }
details.danger summary { cursor: pointer; font-weight: 600; color: var(--ink-2); }
.tabs + .chips { margin-top: 4px; }
.faq { margin: 16px 0 0; display: grid; gap: 6px; }
.faq dt { font-weight: 700; margin-top: 14px; }
.faq dd { margin: 0; color: var(--ink-2); }
@media (max-width: 760px) {
  .person { grid-template-columns: 88px 1fr; padding: 14px; gap: 14px; }
}

/* シリーズ */
.series { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 8px; }
.series .lbl { font-size: 13px; color: var(--mute); margin-right: 4px; letter-spacing: .08em; }
.series .vol { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: 10px; text-decoration: none; font: 600 15px var(--mincho); background: var(--card); }
.series .vol:hover { border-color: var(--ink); }
.series .vol.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.series .vol small { font: 400 12px var(--gothic); color: var(--mute); margin-left: 4px; }
.series .vol.on small { color: rgb(245 241 233 / .7); }
.volnav { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }
.volnav .btn:only-child { margin-left: auto; }
.series-name { display: block; font-size: 16px; color: var(--mute); letter-spacing: .06em; margin-bottom: 4px; }
.bk .cv .vb { position: absolute; left: 10px; top: 10px; background: var(--shu); color: #fff; font: 600 12px/1 var(--gothic); padding: 6px 8px; border-radius: 6px; letter-spacing: .06em; }