@charset "UTF-8";

/* ============================================================
   品木彰｜金融ライティングオフィス — ポートフォリオLP
   方向: ミニマルテック×エディトリアル明朝「静かな執務室」
   シグネチャー: 帳簿（レッジャー）の細罫と等幅数字
   トークンは design-system/tokens.css の --ds- 変数名を踏襲し、
   本案件のブランドカラー（バナー紺 #1D3557。2026-07-21に緑→オレンジ→紺と変更）に差し替え
   （01_要件定義.md の方針どおり）
   ============================================================ */

:root {
  --ds-color-primary: #1d3557;
  --ds-color-primary-dark: #122744;
  --ds-color-trust: #1d3557;
  --ds-color-paper: #fbfaf7;
  --ds-color-paper-alt: #eef2f7;
  --ds-color-line: #d6dee8;
  --ds-color-line-strong: #1c1b18;
  --ds-color-ink: #1c1b18;
  --ds-color-muted: #5a6b82;
  --ds-color-inverse: #fbfaf7;

  --ds-font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, sans-serif;
  --ds-font-serif: "Zen Old Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --ds-font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --ds-radius-small: 0px;
  --ds-radius-base: 2px;

  --ds-space-xs: 6px;
  --ds-space-sm: 10px;
  --ds-space-md: 16px;
  --ds-space-lg: 24px;
  --ds-space-xl: 40px;

  --content-width: 800px;      /* 本文幅：HP（5ページ版）の760px＋左右パディング20px */
  --content-width-wide: 1040px; /* ヘッダー・フッターのみ */
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: auto; }

body {
  font-family: var(--ds-font-sans);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: var(--ds-color-ink);
  background: var(--ds-color-paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--ds-color-primary); }

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

/* --- 見出し --- */
.section-label {
  font-family: var(--ds-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--ds-color-primary);
  display: block;
  margin-bottom: var(--ds-space-sm);
}

h2, h3, .hero-sub, .pain-answer, .closing-lead, .work-list a, .book-card figcaption { text-wrap: balance; }

h2 {
  font-family: var(--ds-font-serif);
  font-weight: 700;
  font-size: 1.7rem;
  line-height: 1.5;
  letter-spacing: 0.06em;
  margin-bottom: var(--ds-space-lg);
}

section { padding: 72px 0; }

/* --- 線画アイコン --- */
.icon {
  width: 32px;
  height: 32px;
  fill: none;
  stroke: var(--ds-color-primary);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}
.icon-sm { width: 24px; height: 24px; }

/* --- 帳簿罫のセクション区切り --- */
.ledger-rule {
  border: 0;
  border-top: 1px solid var(--ds-color-line-strong);
  position: relative;
}
.ledger-rule::after {
  content: "";
  position: absolute;
  top: 2px; left: 0; right: 0;
  border-top: 1px solid var(--ds-color-line);
}

/* --- 等幅数字 --- */
.num {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

/* --- ボタン --- */
.ds-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 28px;
  border-radius: var(--ds-radius-base);
  border: 1px solid var(--ds-color-primary);
  color: var(--ds-color-inverse);
  background: var(--ds-color-primary);
  font-family: var(--ds-font-sans);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
}
.ds-button:hover { background: var(--ds-color-primary-dark); }
.ds-button--ghost {
  color: var(--ds-color-ink);
  background: transparent;
  border-color: var(--ds-color-ink);
}
.ds-button--ghost:hover { background: rgba(28, 27, 24, 0.05); }

/* --- ヘッダー --- */
.site-header {
  border-bottom: 1px solid var(--ds-color-line);
  background: var(--ds-color-paper);
}
.site-header .container {
  max-width: var(--content-width-wide);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}
.site-title {
  font-family: var(--ds-font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.header-cta { font-size: 0.9rem; min-height: 40px; padding: 8px 18px; }

/* --- ① ファーストビュー（FV＝バナー画像。直下はリード帯として従属させる） --- */
.hero { padding: 0 0 40px; }
.hero-banner img {
  width: 100%;
  height: auto;
  display: block;
}
.hero .container { padding-top: 28px; }
.hero h1 {
  font-family: var(--ds-font-serif);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  line-height: 1.55;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.hero-sub {
  font-size: 0.95rem;
  color: var(--ds-color-muted);
  max-width: 40em;
  margin-bottom: var(--ds-space-md);
}

/* 実績サマリー（ボックスカード・横並び） */
.hero-ledger {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ds-space-sm);
  margin-bottom: var(--ds-space-lg);
  font-size: 0.9rem;
}
.ledger-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  border: 1px solid var(--ds-color-line);
  border-top: 2px solid var(--ds-color-primary);
  border-radius: var(--ds-radius-base);
  background: #fff;
  padding: 14px 16px;
}
.ledger-th {
  font-family: var(--ds-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--ds-color-muted);
}
.ledger-item > span:last-child {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--ds-color-muted);
}
.ledger-item strong {
  display: block;
  font-family: var(--ds-font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--ds-color-primary);
}
.ledger-item strong .unit {
  font-size: 0.45em;
}
.ledger-note {
  display: block;
  font-family: var(--ds-font-sans);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--ds-color-muted);
  margin-top: 2px;
}
.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ds-space-md);
  align-items: center;
}

/* --- ② 掲載媒体バー --- */
.media-bar {
  background: var(--ds-color-primary);
  color: var(--ds-color-inverse);
  padding: 28px 0;
}
.media-bar .label {
  font-family: var(--ds-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  opacity: 0.75;
  display: block;
  margin-bottom: var(--ds-space-sm);
}
.media-bar ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 0;
  font-family: var(--ds-font-serif);
  font-size: 1rem;
  letter-spacing: 0.06em;
}
.media-bar li { white-space: nowrap; }
.media-bar li + li::before {
  content: "／";
  opacity: 0.45;
  margin: 0 0.5em;
}

/* --- ③ 課題共感 --- */
.pain-list {
  list-style: none;
}
.pain-list li {
  display: flex;
  gap: var(--ds-space-md);
  align-items: flex-start;
  padding: 14px 4px;
  border-bottom: 1px solid var(--ds-color-line);
}
.pain-list li:first-child { border-top: 1px solid var(--ds-color-line-strong); }
.pain-list li::before {
  content: "✓";
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.3em;
  height: 1.3em;
  margin-top: 0.25em;
  border: 1.5px solid var(--ds-color-primary);
  border-radius: var(--ds-radius-base);
  color: var(--ds-color-primary);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1;
}
.pain-answer {
  margin-top: var(--ds-space-lg);
  font-family: var(--ds-font-serif);
  font-size: 1.2rem;
  font-weight: 700;
}

/* --- ④ 選ばれる理由 --- */
.reasons {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ds-space-md);
}
.reason {
  border: 1px solid var(--ds-color-line);
  border-top: 2px solid var(--ds-color-primary);
  border-radius: var(--ds-radius-base);
  background: #fff;
  padding: var(--ds-space-lg) var(--ds-space-md);
}
.reason .icon { display: block; margin-bottom: var(--ds-space-sm); }
.reason .no {
  font-family: var(--ds-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--ds-color-primary);
}
.reason h3 {
  font-family: var(--ds-font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 4px 0 8px;
}
.reason p { font-size: 0.95rem; color: #38352f; }

/* --- ⑤ ポートフォリオ --- */
.portfolio { background: var(--ds-color-paper-alt); }
.portfolio-lead { max-width: 640px; margin-bottom: var(--ds-space-xl); }
.work-genre { margin-bottom: var(--ds-space-xl); }
.work-genre h3 {
  font-family: var(--ds-font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--ds-color-line-strong);
  margin-bottom: var(--ds-space-sm);
}
.work-list { list-style: none; }
.work-list li {
  padding: 12px 4px;
  border-bottom: 1px solid var(--ds-color-line);
  font-size: 0.95rem;
}
.work-media {
  font-family: var(--ds-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--ds-color-primary);
  display: block;
  margin-bottom: 2px;
}
.work-list a {
  color: var(--ds-color-ink);
  text-decoration-color: var(--ds-color-line-strong);
  text-underline-offset: 3px;
}
.work-list a:hover { color: var(--ds-color-primary); }

/* 書籍カード */
.books-genre { margin-bottom: var(--ds-space-xl); }
.book-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--ds-space-lg);
  max-width: 520px;
}
.book-card { margin: 0; }
.book-card img {
  width: 100%;
  border: 1px solid var(--ds-color-line);
  background: #fff;
}
.book-card figcaption { margin-top: var(--ds-space-sm); }
.book-title {
  display: block;
  font-family: var(--ds-font-serif);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.5;
}
.book-meta {
  display: block;
  font-size: 0.8rem;
  color: var(--ds-color-muted);
  margin-top: 2px;
}

/* --- ⑦ サービス・流れ --- */
.services ul {
  list-style: none;
  margin-bottom: var(--ds-space-xl);
}
.services ul li {
  display: flex;
  align-items: center;
  gap: var(--ds-space-md);
  padding: 10px 4px;
  border-bottom: 1px solid var(--ds-color-line);
}
.services ul li:first-child { border-top: 1px solid var(--ds-color-line-strong); }
.flow { list-style: none; }
.flow li {
  display: flex;
  gap: var(--ds-space-md);
  padding: 14px 4px;
  border-bottom: 1px solid var(--ds-color-line);
}
.flow li:first-child { border-top: 1px solid var(--ds-color-line-strong); }
.flow .step {
  font-family: var(--ds-font-mono);
  font-size: 0.8rem;
  color: var(--ds-color-primary);
  min-width: 2em;
  padding-top: 4px;
}
.flow-icon { margin-top: 2px; }
.flow h3 { font-size: 1rem; font-weight: 700; }
.flow p { font-size: 0.92rem; color: #38352f; }
.flow-note { margin-top: var(--ds-space-lg); }

/* --- ⑧ 料金 --- */
.pricing { background: var(--ds-color-paper-alt); }
.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.98rem;
}
.price-table th, .price-table td {
  text-align: left;
  padding: 14px 4px;
  border-bottom: 1px solid var(--ds-color-line);
  font-weight: 400;
  vertical-align: baseline;
}
.price-table tr:first-child th, .price-table tr:first-child td {
  border-top: 1px solid var(--ds-color-line-strong);
}
.price-table td {
  text-align: right;
  font-family: var(--ds-font-serif);
  font-weight: 700;
  white-space: nowrap;
}
.price-table td small {
  display: block;
  font-family: var(--ds-font-sans);
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--ds-color-muted);
}
.price-note {
  margin-top: var(--ds-space-lg);
  font-size: 0.88rem;
  color: var(--ds-color-muted);
}

/* --- ⑨ プロフィール --- */
.profile-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ds-space-xl);
}
.profile-photo img {
  width: min(220px, 55vw);
  border: 1px solid var(--ds-color-line);
}
.profile-name {
  font-family: var(--ds-font-serif);
  font-size: 1.3rem;
  font-weight: 700;
}
.profile-name span {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--ds-color-muted);
  margin-left: 0.6em;
}
.profile-role {
  font-size: 0.9rem;
  color: var(--ds-color-primary);
  margin-bottom: var(--ds-space-md);
}
.profile-bio { font-size: 0.95rem; }

/* --- ⑩ FAQ --- */
.faq-list { }
.faq-list details {
  border-bottom: 1px solid var(--ds-color-line);
}
.faq-list details:first-of-type { border-top: 1px solid var(--ds-color-line-strong); }
.faq-list summary {
  cursor: pointer;
  padding: 16px 4px;
  font-weight: 700;
  list-style: none;
  display: flex;
  gap: var(--ds-space-md);
  align-items: baseline;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before {
  content: "Q";
  font-family: var(--ds-font-mono);
  color: var(--ds-color-primary);
  font-size: 0.85rem;
}
.faq-list details p {
  padding: 0 4px 16px calc(0.85rem + var(--ds-space-md));
  font-size: 0.95rem;
  color: #38352f;
}

/* --- ⑪ クロージング --- */
.closing {
  background: var(--ds-color-primary);
  color: var(--ds-color-inverse);
}
.closing h2 { color: var(--ds-color-inverse); }
.closing .section-label { color: #a9bfd8; }
.closing-lead { max-width: 620px; margin-bottom: var(--ds-space-xl); }
.contact-form { max-width: 560px; }
.contact-form label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.contact-form label small { font-weight: 400; opacity: 0.8; }
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: var(--ds-space-md);
  border: 1px solid #4a648f;
  border-radius: var(--ds-radius-base);
  background: var(--ds-color-paper);
  color: var(--ds-color-ink);
  font-family: var(--ds-font-sans);
  font-size: 1rem;
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-cta { max-width: 560px; }
.contact-form .ds-button, .contact-cta .ds-button {
  background: var(--ds-color-paper);
  color: var(--ds-color-primary);
  border-color: var(--ds-color-paper);
  width: 100%;
}
.contact-form .ds-button:hover, .contact-cta .ds-button:hover { background: #e9e7de; }
.closing-ps {
  max-width: 560px;
  margin-top: var(--ds-space-xl);
  padding-top: var(--ds-space-lg);
  border-top: 1px solid #4a648f;
  font-size: 0.92rem;
}
.closing-ps .ps-label {
  font-family: var(--ds-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  display: block;
  margin-bottom: var(--ds-space-xs);
  opacity: 0.75;
}

/* --- フッター --- */
.site-footer {
  padding: 32px 0 96px;
  font-size: 0.85rem;
  color: var(--ds-color-muted);
}
.site-footer .container {
  max-width: var(--content-width-wide);
  display: flex;
  flex-wrap: wrap;
  gap: var(--ds-space-md) var(--ds-space-lg);
  align-items: baseline;
  justify-content: space-between;
}
.site-footer nav a { color: var(--ds-color-muted); margin-left: var(--ds-space-md); }

/* --- スマホ追従CTA（静的表示） --- */
.mobile-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: rgba(251, 250, 247, 0.96);
  border-top: 1px solid var(--ds-color-line);
  z-index: 10;
}
.mobile-cta .ds-button { width: 100%; }

/* --- モバイル圧縮（FVを1画面に近づける） --- */
@media (max-width: 719px) {
  .site-title { font-size: 0.9rem; line-height: 1.4; }
  .header-cta { font-size: 0.82rem; padding: 8px 12px; white-space: nowrap; }
  .hero { padding: 0 0 36px; }
  .hero .container { padding-top: 22px; }
  .hero h1 { font-size: clamp(1.1rem, 4.6vw, 1.35rem); margin-bottom: 8px; }
  .hero-sub { font-size: 0.95rem; margin-bottom: 14px; }
  .hero-ledger { margin-bottom: 20px; font-size: 0.88rem; }
  .hero-ledger th, .hero-ledger td { padding: 7px 4px; }
  .hero-ledger td strong { font-size: 1.02rem; }
  .profile-photo img { width: min(180px, 50vw); margin: 0 auto; }
  .profile-photo { text-align: center; }
  .hero-cta-row { flex-direction: column; align-items: stretch; }
  .hero-cta-row .ds-button { width: 100%; justify-content: center; }
  .portfolio .container > .ds-button { display: flex; width: 100%; justify-content: center; }
  .book-cards { margin: 0 auto; }
  .book-card figcaption { text-align: center; }
  .media-bar .container { text-align: center; }
  .media-bar ul { justify-content: center; }
  h2 br, .hero-sub br { display: none; }
  .ledger-item { align-items: center; text-align: center; }
  .hero h1, .hero-sub { text-align: center; }
  .work-list a { display: inline-block; }
  section { padding: 56px 0; }
}

/* --- レイアウト（タブレット以上） --- */
@media (min-width: 720px) {
  body { font-size: 17px; }
  section { padding: 96px 0; }
  h2 { font-size: 2rem; }

  /* PCは全体を中央揃えのセンターレイアウトにする */
  .section-label, h2 { text-align: center; }

  .hero { padding: 0 0 56px; text-align: center; }
  .hero .container { padding-top: 36px; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-ledger {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--ds-space-sm);
    margin-left: auto;
    margin-right: auto;
  }
  .ledger-item { align-items: center; text-align: center; padding: 22px 10px; justify-content: space-between; }
  .ledger-item strong { font-size: clamp(1.9rem, 2.4vw, 2.4rem); margin-top: 4px; white-space: nowrap; }
  .hero-cta-row { justify-content: center; }

  .media-bar { text-align: center; }
  .media-bar ul { justify-content: center; }

  .pain-list { margin: 0 auto; }
  .pain-answer { text-align: center; }

  .reasons {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--ds-space-md);
    margin: 0 auto;
  }
  .reason p { font-size: 0.88rem; }

  .portfolio-lead { text-align: center; margin-left: auto; margin-right: auto; }
  .work-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 var(--ds-space-xl);
  }
  .books-genre { }
  .book-cards { margin: 0 auto; }
  .books-genre figcaption { text-align: center; }
  .portfolio .container > .ds-button {
    display: flex;
    max-width: 360px;
    margin: 0 auto;
  }

  .services ul, .flow { margin-left: auto; margin-right: auto; }
  .flow-note { text-align: center; max-width: none; }
  .services ul { margin-bottom: var(--ds-space-xl); }

  .price-table { margin: 0 auto; }
  .price-note { margin-left: auto; margin-right: auto; text-align: center; }

  .profile-grid {
    grid-template-columns: auto minmax(0, 480px);
    align-items: start;
    justify-content: center;
    margin: 0 auto;
  }

  .faq-list { margin: 0 auto; }

  .closing-lead { text-align: center; margin-left: auto; margin-right: auto; }
  .contact-form, .contact-cta { margin: 0 auto; }
  .closing-ps { margin-left: auto; margin-right: auto; }

  .mobile-cta { display: none; }
  .site-footer { padding-bottom: 48px; }
}

/* --- 挿入画像（2026-09-14追加：課題共感の末尾・業務と流れの間） --- */
.img-insert { margin: var(--ds-space-xl) auto 0; }
.services .img-insert { margin: var(--ds-space-xl) auto; }
.img-insert img { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; border: 1px solid var(--ds-color-line); }
@media (max-width: 719px) { .img-insert img { aspect-ratio: 3 / 2; } }