/* ============================================================
   「AIで定時退社」 — site stylesheet v1.0
   Brand tokens (brand-kit v1.0 확정값):
     生成り #FAF7F2 / 夜紺 #1E2A4A / ローズ #E56B8C / 墨グレー #5B6472
   Type: Noto Serif JP (見出し) + Noto Sans JP (本文)
   Mobile-first. SeoulSaver 오렌지(#A85600) 사용 금지.
   ============================================================ */

:root {
  --kinari: #FAF7F2;
  --yorukon: #1E2A4A;
  --rose: #E56B8C;
  --sumi: #5B6472;
  --white: #FFFFFF;
  --line: #E7DFD3;
  --serif: 'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --sans: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --radius: 14px;
  --maxw: 1120px;
  --shadow: 0 8px 28px rgba(30, 42, 74, .10);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--kinari);
  color: var(--sumi);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: .01em;
}

h1, h2, h3 { color: var(--yorukon); line-height: 1.55; margin: 0 0 .6em; }
h1 { font-family: var(--serif); font-weight: 700; font-size: 30px; }
h2 { font-family: var(--serif); font-weight: 700; font-size: 24px; }
h3 { font-family: var(--sans); font-weight: 700; font-size: 18px; line-height: 1.7; }

p { margin: 0 0 1em; }
a { color: var(--yorukon); }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }

.section { padding: 72px 0; }
.section-tight { padding: 48px 0; }

/* ---- eyebrow / kicker ---- */
.kicker {
  font-size: 12px; font-weight: 500; letter-spacing: .28em;
  color: var(--rose); text-transform: none; margin: 0 0 14px;
}
.kicker::before { content: ""; display: inline-block; width: 26px; height: 2px; background: var(--rose); vertical-align: middle; margin-right: 10px; }

/* ---- header ---- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 247, 242, .94);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand img { width: 172px; height: auto; }
.nav { display: none; align-items: center; gap: 28px; }
.nav a { text-decoration: none; font-size: 14px; font-weight: 500; color: var(--yorukon); }
.nav a:hover { color: var(--rose); }
.header-cta {
  display: none; text-decoration: none; font-size: 13px; font-weight: 500;
  background: var(--yorukon); color: var(--white);
  padding: 10px 18px; border-radius: 999px; letter-spacing: .06em;
}

/* ---- hero ---- */
.hero { position: relative; padding: 64px 0 56px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 6px;
  background: linear-gradient(90deg, var(--rose) 0%, #f2a3b8 45%, var(--rose) 100%);
}
.hero h1 { font-size: 32px; margin: 0 0 18px; }
.hero h1 .accent { color: var(--rose); }
.hero .lead { font-size: 17px; color: var(--sumi); max-width: 640px; }
.hero-note {
  display: inline-block; margin-top: 18px; font-size: 13px; color: var(--yorukon);
  border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; background: var(--white);
}
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

/* ---- shindan band (ツールファースト導線) ---- */
.shindan-band { background: var(--yorukon); padding: 52px 0; }
.shindan-band h2 { color: var(--white); font-size: 24px; margin: 0 0 10px; }
.shindan-band p { color: #C9CFDA; font-size: 14px; max-width: 640px; margin: 0; }
.shindan-band .kicker { margin-bottom: 10px; }
.band-inner { display: flex; flex-direction: column; gap: 22px; }
.band-inner .btn { flex-shrink: 0; align-self: flex-start; }
@media (min-width: 720px) {
  .band-inner { flex-direction: row; align-items: center; justify-content: space-between; }
}

.btn {
  display: inline-block; text-decoration: none; font-weight: 500; font-size: 15px;
  letter-spacing: .05em; padding: 14px 30px; border-radius: 999px; line-height: 1.4;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn-rose { background: var(--rose); color: var(--white); box-shadow: 0 6px 18px rgba(229, 107, 140, .32); }
.btn-rose:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(229, 107, 140, .40); }
.btn-outline { border: 1.5px solid var(--yorukon); color: var(--yorukon); background: transparent; }
.btn-outline:hover { background: var(--yorukon); color: var(--white); }
.btn-navy { background: var(--yorukon); color: var(--white); }
.btn-navy:hover { transform: translateY(-2px); }
.btn-ghost-light { border: 1.5px solid rgba(250,247,242,.5); color: var(--kinari); }

/* ---- trust ---- */
.trust { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; gap: 18px; margin-top: 30px; }
.trust-card {
  background: var(--kinari); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 24px;
}
.trust-card .years { font-family: var(--serif); font-size: 30px; color: var(--yorukon); font-weight: 700; }
.trust-card .years small { font-family: var(--sans); font-size: 13px; color: var(--sumi); font-weight: 400; }
.trust-card h3 { margin: 8px 0 6px; font-size: 16px; }
.trust-card p { font-size: 14px; margin: 0; color: var(--sumi); }
.trust-note { margin-top: 22px; font-size: 13px; color: var(--sumi); border-left: 3px solid var(--rose); padding-left: 14px; }

/* ---- guide teaser / cards ---- */
.card-grid { display: grid; gap: 20px; margin-top: 32px; }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; text-decoration: none; color: inherit; display: block;
  transition: transform .15s ease, box-shadow .15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card-body { padding: 26px 24px; }
.card .tag {
  display: inline-block; font-size: 11px; font-weight: 500; letter-spacing: .14em;
  color: var(--rose); border: 1px solid var(--rose); border-radius: 999px; padding: 4px 12px; margin-bottom: 12px;
}
.card h3 { font-size: 19px; margin: 0 0 10px; }
.card p { font-size: 14px; margin: 0; }
.card .meta { margin-top: 14px; font-size: 12px; color: var(--sumi); letter-spacing: .06em; }
.card .more { display: inline-block; margin-top: 12px; font-size: 14px; font-weight: 500; color: var(--yorukon); }

/* ---- dark (night) section — 定時退社後の夜 ---- */
.night { background: var(--yorukon); color: var(--kinari); }
.night h2, .night h3 { color: var(--kinari); }
.night p { color: #C9CFDA; }
.night .kicker { color: var(--rose); }
.product-grid { display: grid; gap: 20px; margin-top: 32px; }
.product {
  background: rgba(250, 247, 242, .05); border: 1px solid rgba(250, 247, 242, .16);
  border-radius: var(--radius); padding: 30px 26px; position: relative;
}
.product .status {
  display: inline-block; font-size: 11px; font-weight: 500; letter-spacing: .18em;
  background: var(--rose); color: var(--white); border-radius: 999px; padding: 5px 14px; margin-bottom: 14px;
}
.product h3 { font-family: var(--serif); font-size: 21px; margin: 0 0 8px; }
.product .price { font-size: 26px; font-weight: 700; color: var(--kinari); margin: 10px 0 4px; }
.product .price small { font-size: 13px; font-weight: 400; color: #C9CFDA; }
.product p.desc { font-size: 14px; margin: 8px 0 0; }
.product .btn { margin-top: 20px; }
.night-note { margin-top: 26px; font-size: 13px; color: #9AA3B8; }

/* ---- email capture ---- */
.capture { background: var(--white); border-top: 1px solid var(--line); }
.capture-box {
  background: var(--kinari); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px 28px; text-align: center; max-width: 640px; margin: 28px auto 0;
}
.capture-box h3 { font-family: var(--serif); font-size: 22px; margin: 0 0 10px; }
.capture-box p { font-size: 14px; }
.email-form { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.email-form input[type="email"] {
  font-family: var(--sans); font-size: 15px; padding: 14px 18px;
  border: 1.5px solid var(--line); border-radius: 999px; background: var(--white); color: var(--yorukon);
  width: 100%;
}
.email-form input[type="email"]:focus { outline: none; border-color: var(--rose); }
.email-form .btn { border: none; cursor: pointer; }
.form-msg { display: none; margin-top: 14px; font-size: 14px; color: var(--yorukon); font-weight: 500; }
.form-msg.show { display: block; }
.form-note { margin-top: 12px; font-size: 12px; color: var(--sumi); }

/* ---- footer ---- */
.site-footer { background: var(--yorukon); color: #C9CFDA; padding: 48px 0 32px; }
.site-footer .brand img { width: 150px; filter: none; }
.footer-grid { display: flex; flex-direction: column; gap: 24px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 20px; }
.footer-nav a { color: var(--kinari); text-decoration: none; font-size: 14px; }
.footer-nav a:hover { color: var(--rose); }
.footer-legal { margin-top: 28px; padding-top: 20px; border-top: 1px solid rgba(250,247,242,.16); font-size: 12px; color: #9AA3B8; }
.footer-legal p { margin: 0 0 6px; }

/* ---- article ---- */
.article-hero { padding: 56px 0 8px; }
.article-hero .tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.article-hero h1 { font-size: 27px; }
.article-meta { font-size: 13px; color: var(--sumi); margin-top: 12px; letter-spacing: .04em; }
.article-body { padding: 36px 0 64px; }
.article-body p, .article-body li { font-size: 16px; }
.article-body h2 { font-size: 22px; margin: 48px 0 16px; padding-top: 8px; border-top: 2px solid var(--rose); display: inline-block; }
.article-body h3 { font-size: 18px; margin: 32px 0 12px; }
.step-box { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; margin: 20px 0; }
.step-box ol { margin: 0; padding-left: 1.4em; }
.step-box li { margin-bottom: .6em; }
.prompt-box { background: var(--yorukon); color: var(--kinari); border-radius: var(--radius); padding: 24px 22px; margin: 20px 0; }
.prompt-box .label { font-size: 12px; letter-spacing: .2em; color: var(--rose); font-weight: 500; margin-bottom: 10px; }
.prompt-box p { color: var(--kinari); font-size: 14px; margin: 0; }
.hr-view { border-left: 3px solid var(--rose); padding: 4px 0 4px 18px; margin: 24px 0; }
.hr-view .label { font-size: 12px; letter-spacing: .2em; color: var(--rose); font-weight: 500; margin-bottom: 6px; }
.toc { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin: 28px 0; }
.toc .label { font-size: 12px; letter-spacing: .2em; color: var(--sumi); margin-bottom: 10px; }
.toc ol { margin: 0; padding-left: 1.4em; font-size: 15px; }
.toc li { margin-bottom: .5em; }
.toc a { color: var(--yorukon); text-decoration: none; }
.toc a:hover { color: var(--rose); }
.upsell { background: var(--yorukon); color: var(--kinari); border-radius: var(--radius); padding: 36px 28px; margin: 48px 0 0; }
.upsell h3 { color: var(--kinari); font-family: var(--serif); font-size: 20px; margin: 0 0 10px; }
.upsell p { color: #C9CFDA; font-size: 14px; }
.upsell .btn { margin-top: 16px; }
.teaser-list { list-style: none; padding: 0; margin: 16px 0; }
.teaser-list li { background: var(--white); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin-bottom: 12px; font-size: 15px; }
.teaser-list li strong { color: var(--yorukon); }

/* ---- utility ---- */
.center { text-align: center; }
.mt-32 { margin-top: 32px; }
.small { font-size: 13px; }
.divider-rose { width: 56px; height: 3px; background: var(--rose); border: none; margin: 0 0 20px; }
.breadcrumb { font-size: 13px; color: var(--sumi); margin-bottom: 18px; }
.breadcrumb a { color: var(--sumi); text-decoration: none; }
.breadcrumb a:hover { color: var(--rose); }

/* ============================================================
   v1.1 components — ツール図鑑 / 書籍 / 著者 / B2B
   ============================================================ */

/* ---- tier / status chips ---- */
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.chip {
  display: inline-block; font-size: 11px; font-weight: 500; letter-spacing: .12em;
  border-radius: 999px; padding: 4px 12px;
}
.chip-free { background: var(--rose); color: var(--white); }
.chip-paid { background: var(--yorukon); color: var(--kinari); }
.chip-soon { color: var(--sumi); border: 1px solid var(--sumi); background: transparent; }
.chip-cat { color: var(--yorukon); border: 1px solid var(--line); background: var(--kinari); }

/* ---- tool catalog grid ---- */
.tool-grid { display: grid; gap: 20px; margin-top: 32px; }
.tool-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; display: flex; flex-direction: column;
}
.tool-card h3 { font-size: 18px; margin: 0 0 8px; }
.tool-card p { font-size: 14px; margin: 0; flex: 1; }
.tool-card .more { display: inline-block; margin-top: 14px; font-size: 14px; font-weight: 500; color: var(--yorukon); text-decoration: none; }
.tool-card .more:hover { color: var(--rose); }
.tool-card.is-soon { background: var(--kinari); border-style: dashed; }
.tool-card.is-soon h3 { color: var(--sumi); }
@media (min-width: 768px) {
  .tool-grid { grid-template-columns: repeat(3, 1fr); }
  .tool-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
}

/* ---- book feature ---- */
.book-layout { display: grid; gap: 32px; margin-top: 8px; }
.book-cover { max-width: 300px; margin: 0 auto; }
.book-cover img {
  width: 100%; border-radius: 6px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, .45);
}
.book-info .subtitle { font-size: 14px; color: #9AA3B8; margin: 0 0 14px; letter-spacing: .04em; }
.book-info .price { font-size: 30px; font-weight: 700; color: var(--kinari); margin: 6px 0 2px; }
.book-info .price small { font-size: 13px; font-weight: 400; color: #C9CFDA; }
.book-points { list-style: none; padding: 0; margin: 18px 0 0; }
.book-points li {
  font-size: 14px; color: #C9CFDA; padding: 10px 0 10px 26px; position: relative;
  border-top: 1px solid rgba(250, 247, 242, .14);
}
.book-points li::before { content: "—"; position: absolute; left: 2px; color: var(--rose); }
@media (min-width: 768px) {
  .book-layout { grid-template-columns: 300px 1fr; align-items: start; }
  .book-cover { margin: 0; }
}

/* ---- 7つの技 grid ---- */
.waza-grid { display: grid; gap: 14px; margin-top: 28px; }
.waza-item {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 22px;
}
.waza-item .num {
  font-family: var(--serif); font-weight: 700; font-size: 13px; color: var(--rose);
  letter-spacing: .18em; display: block; margin-bottom: 6px;
}
.waza-item h3 { font-size: 16px; margin: 0 0 6px; }
.waza-item p { font-size: 14px; margin: 0; }
@media (min-width: 768px) { .waza-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---- series preview ---- */
.series-grid { display: grid; gap: 20px; margin-top: 32px; }
.series-card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px;
  background: var(--white);
}
.series-card h3 { font-family: var(--serif); font-size: 19px; margin: 0 0 8px; }
.series-card p { font-size: 14px; margin: 0; }
.series-card .vols { margin-top: 12px; font-size: 13px; color: var(--sumi); }
@media (min-width: 768px) { .series-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---- author ---- */
.author-head { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.author-name { font-family: var(--serif); font-weight: 700; font-size: 30px; color: var(--yorukon); }
.author-role { font-size: 13px; letter-spacing: .14em; color: var(--rose); font-weight: 500; }
.author-profile { font-size: 15px; max-width: 820px; }

/* ---- B2B teaser band ---- */
.b2b-band { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 52px 0; }
.b2b-band h2 { font-size: 24px; margin: 0 0 10px; }
.b2b-band p { font-size: 14px; max-width: 680px; margin: 0; }
.b2b-points { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }

/* ---- disabled / preparing button ---- */
.btn[aria-disabled="true"] { opacity: .55; pointer-events: none; }
.prep-note {
  display: inline-block; margin-top: 14px; font-size: 12px; color: var(--sumi);
  border: 1px dashed var(--sumi); border-radius: 999px; padding: 6px 14px;
}
.night .prep-note { color: #9AA3B8; border-color: #9AA3B8; }

/* ---- desktop ---- */
@media (min-width: 768px) {
  body { font-size: 16px; }
  h1 { font-size: 40px; }
  h2 { font-size: 30px; }
  .hero { padding: 96px 0 80px; }
  .hero h1 { font-size: 44px; }
  .hero .lead { font-size: 18px; }
  .nav { display: flex; }
  .header-cta { display: inline-block; }
  .trust-grid { grid-template-columns: repeat(3, 1fr); }
  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .email-form { flex-direction: row; max-width: 520px; margin-left: auto; margin-right: auto; }
  .email-form input[type="email"] { flex: 1; }
  .email-form .btn { white-space: nowrap; }
  .article-hero h1 { font-size: 34px; }
  .footer-grid { flex-direction: row; justify-content: space-between; align-items: flex-start; }
  .section { padding: 96px 0; }
}