/* SecretsOfJapanese · secretsofjapanese.vercel.app */
:root {
  --ink: #1C1612; --ink2: #3A2F28; --muted: #6B5E55; --paper: #FBF7EF; --paper2: #F3EADB; --line: #E4D8C4;
  --indigo: #1E1612; --indigo2: #2A1F19; --night: #120A08; --persimmon: #8E1B12; --persimmon2: #A8281A; --lac: #8E1B12;
  --shu: #B23A26; --shu-dark: #8F2C1C; --gold: #C89A45; --gold2: #E8C984; --gold3: #F6E3B4; --cream: #F6EBD7;
  --radius: 14px; --shadow: 0 18px 50px rgba(8, 10, 20, .28);
  --serif: "Fraunces", Georgia, "Times New Roman", serif; --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --jp: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 400 17px/1.6 var(--sans); color: var(--ink); background: var(--paper); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--gold2); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: #fff; padding: 10px 14px; z-index: 100; }
.wrap { width: min(1180px, 100% - 40px); margin-inline: auto; }
.eyebrow { font: 700 12px/1.2 var(--sans); letter-spacing: .24em; text-transform: uppercase; color: var(--shu); margin: 0 0 14px; }
.dark .eyebrow { color: var(--gold2); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.015em; margin: 0; }
h2 { font-size: clamp(32px, 4.4vw, 54px); line-height: 1.05; }
.lede { font-size: clamp(18px, 1.6vw, 20px); color: var(--ink2); max-width: 640px; }
.dark { color: var(--cream); }
.dark .lede { color: #E4D6BD; }
.jp { font-family: var(--jp); }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 26px;
  border-radius: 999px; border: 0; cursor: pointer; text-decoration: none; font: 700 15px/1 var(--sans); letter-spacing: .02em;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-gold { background: linear-gradient(180deg, #F3D58E, #D9A84A); color: #241707; box-shadow: 0 8px 22px rgba(201, 152, 64, .35), inset 0 1px 0 rgba(255,255,255,.6); }
.btn-gold:hover { box-shadow: 0 12px 28px rgba(201, 152, 64, .5), inset 0 1px 0 rgba(255,255,255,.6); }
.btn-ink { background: var(--ink); color: var(--paper); }
.btn-line { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--ink); }
.dark .btn-line { color: var(--cream); box-shadow: inset 0 0 0 1.5px rgba(246,235,215,.6); }
.btn .arr { transition: transform .15s ease; }
.btn:hover .arr { transform: translateX(3px); }
.btn-block { width: 100%; }

/* ---------- header ---------- */
.topbar { background: var(--night); color: #CDBF9F; font: 600 12.5px/1 var(--sans); letter-spacing: .06em; }
.topbar .wrap { display: flex; justify-content: center; gap: 28px; padding: 11px 0; flex-wrap: wrap; }
.topbar span::before { content: "✓"; color: var(--gold2); margin-right: 7px; }
header.site { position: sticky; top: 0; z-index: 40; background: rgba(22, 12, 9, .92); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(232, 201, 132, .14); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--cream); }
.brand .mark { width: 40px; height: 40px; display: block; flex: none; filter: drop-shadow(0 2px 4px rgba(0,0,0,.35)); }
.brand b { display: block; font: 600 18px/1.1 var(--serif); letter-spacing: .01em; }
.brand small { display: block; font: 700 10px/1.4 var(--sans); letter-spacing: .22em; text-transform: uppercase; color: var(--gold2); }
nav.main { display: flex; align-items: center; gap: 28px; }
nav.main a { color: #E3D6BE; text-decoration: none; font: 600 14px/1 var(--sans); }
nav.main a:hover { color: #fff; }
nav.main a.btn, nav.main a.btn:hover { color: #241707; }
nav.main .btn { min-height: 42px; padding: 0 20px; font-size: 14px; }
@media (max-width: 900px) { nav.main a:not(.btn) { display: none; } }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; color: var(--cream);
  background: radial-gradient(90% 75% at 72% 0%, #B02C1C 0%, #7E160E 34%, #3A0A07 70%, var(--night) 100%); }
.hero::before { content: ""; position: absolute; inset: auto 0 0 0; height: 46%; opacity: .16;
  background: url("../img/seigaiha.svg") repeat 0 0 / 96px 48px; mask-image: linear-gradient(to top, #000 10%, transparent); -webkit-mask-image: linear-gradient(to top, #000 10%, transparent); }
.hero .shoji { position: absolute; top: 0; bottom: 0; width: 120px; opacity: .05;
  background: linear-gradient(90deg, transparent 47%, var(--gold2) 47%, var(--gold2) 53%, transparent 53%) 0 0 / 40px 100%,
              linear-gradient(0deg, transparent 47%, var(--gold2) 47%, var(--gold2) 53%, transparent 53%) 0 0 / 100% 56px; }
.hero .shoji.l { left: 0; } .hero .shoji.r { right: 0; }
.hero-inner { position: relative; padding: 70px 0 64px; text-align: center; }
.hero h1 { font-size: clamp(40px, 6vw, 76px); line-height: 1.02; max-width: 15ch; margin: 0 auto; }
.hero h1 em { font-style: italic; color: var(--gold2); }
.hero .lede { margin: 22px auto 0; max-width: 680px; color: #E4D6BD; }
.hero .eyebrow { color: var(--gold2); }
.hero-cta { display: flex; gap: 14px; justify-content: center; margin-top: 30px; flex-wrap: wrap; }

/* ---------- offers ---------- */
.offers { display: grid; grid-template-columns: 1fr 1.12fr 1fr; gap: 22px; align-items: stretch; margin-top: 56px; text-align: left; }
.offer { position: relative; background: linear-gradient(180deg, #FFFBF3, #F6EDDE); color: var(--ink); border-radius: var(--radius);
  padding: 26px 24px 24px; box-shadow: var(--shadow); display: flex; flex-direction: column; border: 1px solid rgba(200,154,69,.35); }
.offer.best { transform: translateY(-14px); border: 2px solid var(--gold2); box-shadow: 0 0 0 6px rgba(232,201,132,.14), 0 26px 60px rgba(0,0,0,.4); }
.badge { position: absolute; top: -15px; left: 50%; transform: translateX(-50%); background: linear-gradient(180deg, #F3D58E, #D9A84A);
  color: #2A1B08; font: 800 11.5px/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; padding: 9px 16px; border-radius: 999px; white-space: nowrap; }
.offer .cv { display: flex; justify-content: center; align-items: flex-end; gap: 0; height: 240px; margin: 6px 0 18px; }
.offer h3 { font-size: 25px; line-height: 1.1; }
.offer .desc { color: var(--muted); font-size: 15px; margin: 10px 0 16px; flex: 1; }
.offer ul.facts { list-style: none; padding: 0; margin: 0 0 18px; font-size: 14.5px; }
.offer ul.facts li { padding: 5px 0 5px 24px; position: relative; border-top: 1px solid var(--line); }
.offer ul.facts li::before { content: "✓"; position: absolute; left: 2px; color: var(--shu); font-weight: 700; }
.price { display: flex; align-items: baseline; gap: 10px; margin-bottom: 16px; }
.price .now { font: 600 44px/1 var(--serif); color: var(--shu-dark); }
.price .save { font: 700 12.5px/1.2 var(--sans); color: #2E6B3A; background: #E3F1E4; padding: 6px 10px; border-radius: 999px; }
.price .was { color: var(--muted); font-size: 14px; }
.fine { font-size: 12.5px; color: var(--muted); text-align: center; margin: 10px 0 0; }

/* ---------- 3D book ---------- */
.book3d { position: relative; width: 150px; aspect-ratio: 8.5 / 11; transform: perspective(900px) rotateY(-18deg); transform-style: preserve-3d;
  transition: transform .4s ease; filter: drop-shadow(14px 18px 18px rgba(0,0,0,.35)); }
.book3d img { width: 100%; height: 100%; object-fit: cover; border-radius: 2px 6px 6px 2px; }
.book3d::before { content: ""; position: absolute; inset: 0; border-radius: 2px 6px 6px 2px; pointer-events: none;
  background: linear-gradient(90deg, rgba(0,0,0,.28) 0, rgba(255,255,255,.18) 3%, rgba(0,0,0,0) 7%, rgba(0,0,0,0) 92%, rgba(255,255,255,.12) 100%); z-index: 1; }
.book3d::after { content: ""; position: absolute; top: 2%; bottom: 2%; right: -9px; width: 10px; transform: rotateY(60deg); transform-origin: left;
  background: repeating-linear-gradient(0deg, #F8F1E3 0 2px, #E3D7C1 2px 3px); border-radius: 0 3px 3px 0; }
.offer:hover .book3d, .bookrow:hover .book3d { transform: perspective(900px) rotateY(-8deg); }
.book3d.lg { width: min(340px, 72vw); }
.book3d.md { width: 200px; }
.pair { display: flex; align-items: flex-end; }
.pair .book3d + .book3d { margin-left: -42px; transform: perspective(900px) rotateY(-18deg) translateY(10px); }

/* ---------- trust ---------- */
.trust { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; margin-top: 46px; border: 1px solid rgba(232,201,132,.25); border-radius: var(--radius);
  background: rgba(255,255,255,.03); }
.trust div { padding: 18px 16px; text-align: left; border-left: 1px solid rgba(232,201,132,.18); }
.trust div:first-child { border-left: 0; }
.trust b { display: block; font: 700 12.5px/1.3 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--gold2); }
.trust span { font-size: 14px; color: #D8C9AE; }

/* ---------- sections ---------- */
section.band { padding: clamp(70px, 9vw, 120px) 0; }
.band.cream { background: var(--paper); }
.band.cream2 { background: var(--paper2); }
.band.indigo, .band.ink { background: radial-gradient(80% 90% at 85% 10%, #3A2A20, #1E1612 55%, #0C0807); }
.band.persimmon, .band.lacquer { background: radial-gradient(80% 90% at 85% 10%, #B3301C, var(--lac) 50%, #3A0806); }
.head-c { text-align: center; max-width: 760px; margin: 0 auto 50px; }
.head-c .lede { margin: 16px auto 0; }

/* look inside */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.gallery figure { margin: 0; }
.gallery button { all: unset; cursor: zoom-in; display: block; border-radius: 6px; overflow: hidden; box-shadow: 0 10px 30px rgba(40, 25, 10, .18);
  border: 1px solid var(--line); background: #fff; transition: transform .2s ease; }
.gallery button:hover { transform: translateY(-4px); }
.gallery img { aspect-ratio: 8.5/11; object-fit: cover; width: 100%; }
.gallery figcaption { font: 600 13.5px/1.4 var(--sans); color: var(--muted); margin-top: 10px; text-align: center; }
.tabs { display: flex; justify-content: center; gap: 10px; margin: -20px 0 34px; flex-wrap: wrap; }
.tabs button { font: 700 14px/1 var(--sans); padding: 12px 18px; border-radius: 999px; border: 1.5px solid var(--ink); background: transparent; cursor: pointer; color: var(--ink); }
.tabs button[aria-selected="true"] { background: var(--ink); color: var(--paper); }
dialog.lb { border: 0; padding: 0; background: transparent; max-width: min(92vw, 860px); }
dialog.lb::backdrop { background: rgba(8,10,18,.82); }
dialog.lb img { max-height: 88vh; width: auto; margin: auto; border-radius: 6px; }
dialog.lb .x { position: absolute; top: 8px; right: 8px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: #fff; font-size: 22px; cursor: pointer; }

/* book sections */
.book-sec { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.book-sec.rev { grid-template-columns: .95fr 1.05fr; }
.book-sec.rev .book-visual { order: -1; }
.book-visual { display: flex; justify-content: center; }
.book-sec h2 em { font-style: italic; color: var(--gold2); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 30px 0; }
.stats div { border: 1px solid rgba(232,201,132,.28); border-radius: 12px; padding: 14px 14px 12px; background: rgba(255,255,255,.04); }
.stats b { display: block; font: 600 34px/1 var(--serif); color: var(--gold2); }
.stats span { font: 600 12.5px/1.3 var(--sans); letter-spacing: .06em; color: #D8C9AE; }
.parts { columns: 2; column-gap: 28px; padding: 0; margin: 0 0 30px; list-style: none; font-size: 15px; color: #E9DCC4; }
.parts li { break-inside: avoid; padding: 7px 0; border-bottom: 1px solid rgba(232,201,132,.16); display: flex; gap: 10px; align-items: baseline; }
.parts .jp { color: var(--gold2); font-size: 14px; min-width: 5.4em; white-space: nowrap; }
.parts small { color: #BCAB8E; margin-left: auto; font-size: 12.5px; white-space: nowrap; }
.buyrow { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.dark .buyrow .price .now { color: var(--gold3); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.chips span { font: 600 12.5px/1 var(--sans); padding: 9px 13px; border-radius: 999px; border: 1px solid rgba(232,201,132,.4); color: #EBDDC3; }

/* host */
.host { display: grid; grid-template-columns: 380px 1fr; gap: 64px; align-items: center; }
.host figure { margin: 0; position: relative; }
.host figure img { border-radius: 10px; aspect-ratio: 4/5; object-fit: cover; box-shadow: var(--shadow); }
.host figure::after { content: ""; position: absolute; right: -20px; bottom: 26px; width: 76px; height: 76px; background: url("../img/seal-180.png") center/contain no-repeat; filter: drop-shadow(0 8px 14px rgba(0,0,0,.3)); }
.host blockquote { margin: 0 0 18px; font: 600 clamp(26px, 3vw, 36px)/1.2 var(--serif); }
.host p { color: var(--ink2); margin: 0 0 14px; }
.sign { font: italic 600 20px/1 var(--serif); color: var(--shu); margin-top: 20px; }

/* difference */
.diff { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.diff div { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.diff h3 { font-size: 22px; margin: 12px 0 8px; }
.diff p { margin: 0; color: var(--ink2); font-size: 15.5px; }
.diff svg { color: var(--shu); }

/* sample */
.sample { display: grid; grid-template-columns: auto 1fr; gap: 56px; align-items: center; background: #fff; border: 1px solid var(--line);
  border-radius: 20px; padding: 44px 50px; box-shadow: 0 20px 50px rgba(60, 40, 15, .1); }
.sample h2 { font-size: clamp(30px, 3.6vw, 44px); }

/* faq */
.faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; }
.faq details { border-top: 1px solid var(--line); padding: 18px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; font: 600 17px/1.4 var(--sans); display: flex; justify-content: space-between; gap: 20px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 26px/1 var(--sans); color: var(--shu); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 12px 0 0; color: var(--ink2); }

/* closing */
.closing { text-align: center; }
.closing h2 { max-width: 18ch; margin: 0 auto; }
.closing h2 em { font-style: italic; color: var(--gold2); }

/* footer */
footer.site { background: var(--night); color: #A99C84; font-size: 14px; padding: 46px 0 120px; }
footer.site .wrap { display: grid; grid-template-columns: 1.2fr 1fr; gap: 30px; }
footer.site nav { display: flex; gap: 20px; flex-wrap: wrap; justify-content: flex-end; }
footer.site a { color: #D8C9AE; }
footer.site .disc { grid-column: 1 / -1; border-top: 1px solid rgba(232,201,132,.14); padding-top: 22px; font-size: 13px; line-height: 1.6; }

/* sticky buy bar: appears after the hero, never over the footer; the page reserves space for it */
.buybar { position: fixed; left: 50%; bottom: 16px; transform: translate(-50%, 140%); z-index: 50; width: min(560px, calc(100% - 24px));
  display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 10px 10px 10px 20px; border-radius: 999px;
  background: rgba(22, 12, 9, .96); color: var(--cream); box-shadow: 0 16px 40px rgba(0,0,0,.35); border: 1px solid rgba(232,201,132,.3);
  transition: transform .3s ease; }
.buybar.show { transform: translate(-50%, 0); }
.buybar b { font: 600 16px/1.2 var(--serif); }
.buybar small { display: block; color: #C9B994; font-size: 12.5px; }
.buybar .btn { min-height: 44px; padding: 0 18px; font-size: 14px; }

/* checkout modal (shown until the payment links are connected) */
dialog.co { border: 0; border-radius: 18px; padding: 34px; max-width: 460px; box-shadow: var(--shadow); }
dialog.co::backdrop { background: rgba(8,10,18,.7); }
dialog.co h3 { font-size: 26px; margin-bottom: 10px; }
dialog.co p { color: var(--ink2); }

/* legal pages */
.legal { padding: 70px 0 100px; }
.legal .wrap { max-width: 780px; }
.legal h1 { font-size: 44px; margin-bottom: 8px; }
.legal h2 { font-size: 24px; margin: 34px 0 10px; }
.legal p, .legal li { color: var(--ink2); }
.fill { background: #FFF3C8; padding: 1px 5px; border-radius: 4px; }

/* responsive */
@media (max-width: 1020px) {
  .offers { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; }
  .offer.best { transform: none; order: -1; }
  .trust { grid-template-columns: repeat(2, 1fr); }
  .trust div { border-left: 0; border-top: 1px solid rgba(232,201,132,.18); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .book-sec, .book-sec.rev, .host, .faq, .sample { grid-template-columns: 1fr; gap: 40px; }
  .book-sec.rev .book-visual { order: 0; }
  .host figure { max-width: 380px; }
  .diff { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .sample { padding: 32px 24px; text-align: center; justify-items: center; }
  footer.site .wrap { grid-template-columns: 1fr; }
  footer.site nav { justify-content: flex-start; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .parts { columns: 1; }
  .topbar .wrap { gap: 14px; font-size: 11.5px; }
  .hero-inner { padding: 46px 0 50px; }
  .offer .cv { height: 210px; }
  .buybar { border-radius: 16px; }
  .topbar span:nth-child(n+3) { display: none; }
  .brand small { display: none; }
  .brand b { font-size: 17px; }
  nav.main .btn { white-space: nowrap; padding: 0 16px; }
  nav.main .btn .arr { display: none; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }

/* checkout page */
.co-page { padding: 48px 0 90px; }
.co-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.co-sum { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 30px; position: sticky; top: 96px; }
.co-sum .cvs { display: flex; justify-content: center; margin: 4px 0 22px; }
.co-sum h1 { font-size: 30px; line-height: 1.1; }
.co-sum .sub { color: var(--muted); margin: 8px 0 18px; }
.co-sum .row { display: flex; justify-content: space-between; padding: 10px 0; border-top: 1px solid var(--line); font-size: 15px; }
.co-sum .row b { font: 600 22px/1 var(--serif); color: var(--shu-dark); }
.co-sum ul { list-style: none; padding: 0; margin: 14px 0 0; font-size: 14.5px; color: var(--ink2); }
.co-sum li { padding: 4px 0 4px 24px; position: relative; }
.co-sum li::before { content: "✓"; position: absolute; left: 2px; color: var(--shu); font-weight: 700; }
.co-box { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 26px; min-height: 420px; }
.co-switch { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.co-switch a { text-decoration: none; font: 700 13.5px/1 var(--sans); padding: 10px 14px; border-radius: 999px; border: 1.5px solid var(--line); color: var(--ink); }
.co-switch a[aria-current="page"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.co-note { color: var(--muted); font-size: 13.5px; margin-top: 14px; }
.co-wait { color: var(--muted); padding: 40px 0; text-align: center; }
.ret { text-align: center; max-width: 620px; margin: 0 auto; }
.ret h1 { font-size: clamp(34px, 5vw, 50px); margin: 10px 0 14px; }
.ret img { margin: 0 auto 10px; }
@media (max-width: 1020px) { .co-grid { grid-template-columns: 1fr; } .co-sum { position: static; } }

/* ================= v2 lacquer + ink (2026-10-03) ================= */
.band { position: relative; overflow: hidden; }
.band > .wrap { position: relative; }
.band.washi { background: radial-gradient(90% 90% at 15% 10%, #FBF5EA, #F3EADB 60%, #E9DCC6); }
.hero-kanji, .sec-kanji { position: absolute; pointer-events: none; font-weight: 800; line-height: 1; user-select: none; }
.hero-kanji { right: -2%; top: -6%; font-size: clamp(320px, 46vw, 640px); color: rgba(246,227,180,.06); }
.sec-kanji { right: 2%; top: 4%; font-size: clamp(180px, 24vw, 340px); writing-mode: vertical-rl; color: rgba(232,201,132,.07); }
.hero .eyebrow { display: inline-flex; align-items: center; gap: 10px; }
.hero .eyebrow img { width: 22px; height: 22px; }
.pair.trio .book3d { width: 118px; }
.pair.trio .book3d + .book3d { margin-left: -34px; }
.pair.trio .book3d:last-child { width: 104px; }
.book-visual .pair.trio .book3d.md { width: 170px; }
.book-visual .pair.trio .book3d.md:last-child { width: 150px; }
.book-visual .pair.trio .book3d + .book3d { margin-left: -46px; }
.offer .facts b { font-weight: 700; color: var(--shu-dark); }
.recipes { margin: -6px 0 26px; padding: 16px 18px; border: 1px solid rgba(232,201,132,.28); border-radius: 12px; background: rgba(0,0,0,.12); }
.recipes .eyebrow { margin-bottom: 8px; }
.recipes p:last-child { margin: 0; font-size: 14.5px; line-height: 1.6; color: #EBDDC3; }
.weeks { list-style: none; padding: 0; margin: 24px 0 0; counter-reset: wk; }
.weeks li { counter-increment: wk; display: grid; grid-template-columns: 54px 1fr; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.weeks li::before { content: counter(wk, decimal-leading-zero); font: 600 26px/1 var(--serif); color: var(--shu); }
.weeks b { display: block; font: 600 19px/1.2 var(--serif); }
.weeks span { font-size: 14.5px; color: var(--muted); }
.stats.light div { border-color: var(--line); background: #fff; }
.stats.light b { color: var(--shu); }
.stats.light span { color: var(--muted); }
.compare { list-style: none; padding: 0; margin: 22px 0 0; max-width: 520px; }
.compare li { display: flex; justify-content: space-between; padding: 11px 0; border-top: 1px solid var(--line); font-size: 16px; }
.compare b { font: 600 20px/1 var(--serif); color: var(--ink2); }
.compare li.tot { border-top: 2px solid var(--ink); font-weight: 700; }
.compare li.tot b { color: var(--shu-dark); font-size: 26px; }
#reset .book-sec { grid-template-columns: .9fr 1.1fr; }
@media (max-width: 960px) {
  #reset .book-sec { grid-template-columns: 1fr; }
  .sec-kanji { display: none; }
  .hero-kanji { font-size: 300px; right: -20%; }
}
@media (max-width: 600px) {
  .book-visual .pair.trio .book3d.md { width: 124px; }
  .book-visual .pair.trio .book3d.md:last-child { width: 110px; }
  .book-visual .pair.trio .book3d + .book3d { margin-left: -30px; }
  .pair.trio .book3d { width: 104px; }
  .pair.trio .book3d:last-child { width: 92px; }
}

.ret ol.steps { text-align: left; max-width: 620px; margin: 22px auto 0; padding-left: 22px; font-size: 17px; line-height: 1.6; }
.ret ol.steps li { margin-bottom: 10px; }