/* ============================================================
   Sub-page styles — トップと同じトークンを使いつつ下層特有のレイアウトを追加
============================================================ */

/* ===== Page header（下層共通の上部見出し帯） ===== */
.page-head {
  position: relative;
  padding: calc(var(--header-h) + clamp(40px, 7vw, 90px)) 0 clamp(40px, 6vw, 80px);
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-line);
  overflow: hidden;
}
.page-head__inner {
  width: var(--container);
  margin-inline: auto;
  display: grid;
  gap: 12px;
}
.page-head__breadcrumb {
  font-family: var(--ff-en);
  font-size: 12px;
  letter-spacing: var(--ls-label);
  color: #6b655c;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
}
.page-head__breadcrumb a:hover { text-decoration: underline; }
.page-head__breadcrumb span[aria-hidden] { color: #b9b3a8; }
.page-head__num {
  font-family: var(--ff-en);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: var(--ls-label);
  color: var(--c-ink-strong);
  margin-top: 8px;
}
.page-head__title {
  margin: 0;
  display: grid;
  gap: 6px;
}
.page-head__title-en {
  font-family: var(--ff-en);
  font-weight: 600;
  font-size: clamp(40px, 9vw, 96px);
  letter-spacing: var(--ls-hero);
  line-height: 1;
  color: var(--c-ink-strong);
}
.page-head__title-jp {
  font-family: var(--ff-jp);
  font-weight: 600;
  font-size: clamp(16px, 2vw, 22px);
  color: var(--c-ink);
}
.page-head__lead {
  margin-top: 18px;
  max-inline-size: 60ch;
  color: #4a443c;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  text-wrap: pretty;
}

/* ===== Sub-page section base ===== */
.sub-section {
  padding: clamp(56px, 8vw, 120px) 0;
}
.sub-section + .sub-section { border-top: 1px solid var(--c-line); }
.sub-section__inner {
  width: var(--container);
  margin-inline: auto;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}
.sub-section__head {
  display: grid;
  gap: 8px;
}
.sub-section__num {
  font-family: var(--ff-en);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: var(--ls-label);
  color: var(--c-ink-strong);
}
.sub-section__title {
  margin: 0;
  font-family: var(--ff-en);
  font-weight: 600;
  font-size: clamp(28px, 5vw, 48px);
  letter-spacing: 0.06em;
  line-height: 1.1;
  color: var(--c-ink-strong);
}
.sub-section__title-jp {
  display: block;
  margin-top: 6px;
  font-family: var(--ff-jp);
  font-weight: 600;
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--c-ink);
  letter-spacing: 0;
}

/* ===== Service: 4 大カテゴリ縦リスト ===== */
.service-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 3vw, 32px);
  align-items: start;
  padding: clamp(24px, 4vw, 40px);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}
.service-block + .service-block { margin-top: clamp(20px, 3vw, 32px); }
.service-block__head {
  display: grid;
  gap: 8px;
}
.service-block__num {
  font-family: var(--ff-en);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: var(--ls-label);
  color: #6b655c;
}
.service-block__title {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 700;
  color: var(--c-ink-strong);
  letter-spacing: 0;
  line-height: 1.3;
}
.service-block__title--narrow {
  font-size: clamp(17px, 2.4vw, 22px);
  letter-spacing: 0;
  white-space: nowrap;
  line-height: 1.4;
}
.service-block__lead {
  margin: 0;
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.95;
  color: #4a443c;
  text-wrap: pretty;
}
.service-block__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}
.service-block__tags li {
  border: 1px solid var(--c-line-strong);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.04em;
  font-weight: 600;
  color: var(--c-ink-strong);
  background: var(--c-bg);
}
.service-block__cta {
  margin-top: 4px;
}
@media (min-width: 768px) {
  .service-block { grid-template-columns: 240px 1fr; gap: clamp(24px, 4vw, 48px); }
  .service-block__cta { grid-column: 2 / -1; }
}
@media (min-width: 1024px) {
  .service-block { grid-template-columns: 280px 1fr; }
}

/* ===== Achievement: 縦リスト（番号＋タグ＋タイトル＋会社名＋概要） ===== */
.ach-list { display: grid; gap: clamp(20px, 3vw, 32px); }
.ach-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px clamp(16px, 3vw, 32px);
  padding: clamp(18px, 2.8vw, 28px) 0;
  border-top: 1px solid var(--c-line);
}
.ach-list .ach-row:last-child { border-bottom: 1px solid var(--c-line); }
.ach-row__num {
  font-family: var(--ff-en);
  font-weight: 600;
  font-size: clamp(20px, 2.8vw, 28px);
  letter-spacing: 0.04em;
  color: var(--c-ink-strong);
  line-height: 1;
}
.ach-row__body { display: grid; gap: 10px; }
.ach-row__thumb {
  display: block;
  width: min(100%, 420px);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--c-accent-soft);
  margin-bottom: 6px;
}
.ach-row__tags { display: flex; flex-wrap: wrap; gap: 6px 8px; }
.ach-row__tag {
  font-family: var(--ff-en);
  font-size: 11px;
  letter-spacing: 0.12em;
  font-weight: 600;
  background: var(--c-accent);
  color: var(--c-ink-strong);
  padding: 3px 10px;
  border-radius: 999px;
}
.ach-row__tag--jp { font-family: var(--ff-jp); letter-spacing: 0; background: var(--c-accent-soft); }
.ach-row__title {
  margin: 0;
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.4;
  color: var(--c-ink-strong);
}
.ach-row__company {
  font-size: 13px;
  color: #6b655c;
  letter-spacing: 0.02em;
}
.ach-row__excerpt {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: #3f3a32;
  text-wrap: pretty;
}
.ach-row__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--ff-en);
  font-size: 12px;
  letter-spacing: var(--ls-label);
  font-weight: 600;
  color: var(--c-ink-strong);
  border-bottom: 1px solid var(--c-ink-strong);
  padding-bottom: 2px;
  align-self: start;
  width: fit-content;
}
.ach-row__more:hover { background: var(--c-accent-soft); }
.ach-row__more .icon { width: 14px; height: 14px; }
@media (max-width: 480px) {
  .ach-row { grid-template-columns: 40px 1fr; }
}

/* ===== Message page ===== */
.message-page__wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}
.message-page__media {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  background: #ddd;
}
.message-page__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.message-page__title {
  margin: 0 0 clamp(12px, 2vw, 20px);
  font-size: clamp(22px, 3.4vw, 36px);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.45;
  color: var(--c-ink-strong);
  text-wrap: balance;
}
.message-page__body p {
  margin: 0 0 1.4em;
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 2;
  color: #3f3a32;
  text-wrap: pretty;
}
.message-page__sign {
  margin-top: clamp(20px, 3vw, 32px);
  padding-top: clamp(16px, 2vw, 20px);
  border-top: 1px solid var(--c-line);
  display: grid;
  gap: 8px;
}
.message-page__sign-name {
  font-family: var(--ff-jp);
  font-weight: 700;
  font-size: 16px;
  color: var(--c-ink-strong);
}
.message-page__sign-bio {
  margin: 0;
  font-size: 13px;
  line-height: 1.95;
  color: #6b655c;
  text-wrap: pretty;
}
@media (min-width: 1024px) {
  .message-page__wrap { grid-template-columns: 5fr 7fr; }
}
.message-page__wrap--single { grid-template-columns: 1fr; max-width: 880px; margin-inline: auto; }
@media (min-width: 1024px) {
  .message-page__wrap--single { grid-template-columns: 1fr; }
}
.message-page__wrap--portrait { grid-template-columns: 1fr; }
.message-page__wrap--portrait > * { min-width: 0; }
@media (min-width: 1024px) {
  .message-page__wrap--portrait { grid-template-columns: 4fr 8fr; }
}
.message-page__portrait {
  background: #ffffff;
  border-radius: var(--radius);
  border: 1px solid var(--c-line);
  overflow: hidden;
  padding: clamp(20px, 3vw, 36px) clamp(20px, 3vw, 36px) 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  aspect-ratio: 4 / 5;
  max-width: 420px;
  margin-inline: auto;
  width: 100%;
}
.message-page__portrait img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}
@media (min-width: 1024px) {
  .message-page__portrait { max-width: none; }
}

/* ===== About 2-column (会社概要 + ロゴカード) ===== */
.about-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
}
.about-detail > * { min-width: 0; }
@media (min-width: 1024px) {
  .about-detail { grid-template-columns: 7fr 5fr; }
}
.about-logo-card {
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: 0 18px 48px rgba(20, 30, 50, .06);
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(20px, 3vw, 40px);
  max-width: 520px;
  margin-inline: auto;
  width: 100%;
}
.about-logo-card img {
  width: min(100%, 380px);
  height: auto;
  object-fit: contain;
  display: block;
}
@media (min-width: 1024px) {
  .about-logo-card { max-width: none; }
}
.message-page__signature {
  margin-top: clamp(20px, 3vw, 32px);
  display: flex;
  justify-content: flex-end;
}
.message-page__signature img {
  width: min(78vw, 360px);
  height: auto;
  display: block;
}

/* ===== Press banner (日経トレンディ掲載) ===== */
.press-section .sub-section__inner { max-width: 880px; margin-inline: auto; }
.press-banner {
  display: block;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform .35s ease, box-shadow .35s ease;
}
.press-banner:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(20, 30, 50, .08); }
.press-banner img {
  display: block;
  width: 100%;
  height: auto;
}
.press-banner__caption {
  margin: 0;
  padding: clamp(14px, 2vw, 20px) clamp(18px, 3vw, 28px);
  font-size: clamp(13px, 1.5vw, 15px);
  font-weight: 600;
  color: var(--c-ink-strong);
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--c-line);
}
.press-banner__caption .icon { width: 14px; height: 14px; }

/* ===== News list ===== */
.news-list { display: grid; gap: 0; }
.news-list__item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 12px clamp(16px, 3vw, 32px);
  padding: clamp(18px, 2.4vw, 24px) 0;
  border-top: 1px solid var(--c-line);
  align-items: baseline;
}
.news-list__item:last-child { border-bottom: 1px solid var(--c-line); }
.news-list__thumb {
  grid-column: 1 / -1;
  display: block;
  width: min(100%, 360px);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--c-accent-soft);
}
.news-list__thumb img,
.ach-row__thumb img,
.post-detail__eyecatch img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.news-list__date {
  font-family: var(--ff-en);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--c-ink-strong);
}
.news-list__title {
  margin: 0;
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 600;
  line-height: 1.7;
  color: var(--c-ink);
  letter-spacing: 0;
}
.news-list__title:hover { color: var(--c-ink-strong); text-decoration: underline; }
@media (max-width: 540px) {
  .news-list__item { grid-template-columns: 1fr; gap: 4px; }
}

/* ===== Contact form ===== */
.contact-form {
  display: grid;
  gap: clamp(16px, 2vw, 24px);
  max-width: 760px;
  margin-inline: auto;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: clamp(20px, 4vw, 40px);
  box-shadow: var(--shadow-card);
}
.contact-form__row {
  display: grid;
  gap: 6px;
}
.contact-form__label {
  font-size: 13px;
  letter-spacing: 0.04em;
  font-weight: 600;
  color: var(--c-ink-strong);
}
.contact-form__label .req {
  color: #c14a3a;
  margin-left: 6px;
  font-weight: 700;
}
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: 15px;
  font-family: inherit;
  color: var(--c-ink-strong);
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  outline: none;
  transition: border-color 200ms var(--ease);
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus { border-color: var(--c-ink-strong); }
.contact-form textarea { min-height: 160px; resize: vertical; line-height: 1.7; }
.contact-form__note {
  font-size: 12px;
  line-height: 1.8;
  color: #6b655c;
}
.contact-form__submit {
  justify-self: center;
  margin-top: clamp(8px, 2vw, 16px);
  min-width: 240px;
}
.contact-form__hint {
  text-align: center;
  font-size: 12px;
  color: #6b655c;
  letter-spacing: 0.04em;
  margin-top: -8px;
}

/* ===== Privacy policy text ===== */
.policy-doc {
  width: min(880px, 92vw);
  margin-inline: auto;
  display: grid;
  gap: clamp(16px, 2vw, 24px);
  font-size: clamp(14px, 1.5vw, 15px);
  line-height: 1.95;
  color: var(--c-ink);
}
.policy-doc h2 {
  margin: clamp(28px, 4vw, 48px) 0 0;
  font-family: var(--ff-jp);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 20px);
  color: var(--c-ink-strong);
  border-left: 3px solid var(--c-ink-strong);
  padding-left: 12px;
  line-height: 1.5;
}
.policy-doc h2:first-of-type { margin-top: 0; }
.policy-doc p { margin: 0; text-wrap: pretty; }
.policy-doc ul { padding-left: 1.2em; list-style: disc; display: grid; gap: 6px; }
.policy-doc strong { font-weight: 700; color: var(--c-ink-strong); }
.policy-doc__updated {
  margin-top: clamp(20px, 3vw, 32px);
  padding-top: clamp(16px, 2vw, 20px);
  border-top: 1px solid var(--c-line);
  font-size: 13px;
  color: #6b655c;
}

/* ===== Matching landing ===== */
.matching-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(80px, 14vw, 200px)) 0 clamp(80px, 12vw, 160px);
  background: linear-gradient(135deg, #fff 0%, var(--c-accent-soft) 50%, var(--c-accent) 100%);
  overflow: hidden;
}
.matching-hero__inner {
  width: var(--container);
  margin-inline: auto;
  display: grid;
  gap: 16px;
  position: relative;
  z-index: 1;
}
.matching-hero__title {
  margin: 0;
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--c-ink-strong);
  text-wrap: balance;
}
.matching-hero__sub {
  margin: 0;
  font-size: clamp(15px, 1.8vw, 18px);
  color: #2c2820;
  text-wrap: pretty;
}
.matching-cta {
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  background: var(--c-ink-strong);
  color: #fff;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.04em;
  width: fit-content;
}
.matching-cta:hover { background: #1a1a1a; }
.matching-cta__caption {
  font-size: 12px;
  color: #6b655c;
  margin-top: -4px;
}

.matching-pillars {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  grid-template-columns: 1fr;
}
.matching-pillar {
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
  display: grid;
  gap: 12px;
  box-shadow: var(--shadow-card);
}
.matching-pillar__num {
  font-family: var(--ff-en);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: var(--ls-label);
  color: #6b655c;
}
.matching-pillar__title {
  margin: 0;
  font-size: clamp(20px, 2.8vw, 26px);
  font-weight: 700;
  color: var(--c-ink-strong);
  line-height: 1.4;
}
.matching-pillar__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.95;
  color: #3f3a32;
  text-wrap: pretty;
}
@media (min-width: 768px) {
  .matching-pillars { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .matching-pillars { grid-template-columns: repeat(3, 1fr); }
}

/* ===== Post detail ===== */
.post-detail {
  width: min(760px, 92vw);
  margin-inline: auto;
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}
.post-detail__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: baseline;
  font-family: var(--ff-en);
  font-size: 12px;
  letter-spacing: var(--ls-label);
  color: #6b655c;
}
.post-detail__date {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--c-ink-strong);
}
.post-detail__category {
  background: var(--c-accent-soft);
  color: var(--c-ink-strong);
  padding: 3px 10px;
  border-radius: 999px;
  font-family: var(--ff-jp);
  letter-spacing: 0;
}
.post-detail__title {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 36px);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.45;
  color: var(--c-ink-strong);
  text-wrap: balance;
}
.post-detail__body {
  display: grid;
  gap: 1.4em;
  font-size: 16px;
  line-height: 2;
  color: #3f3a32;
}
.post-detail__eyecatch {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  width: 100%;
  margin: 0 0 clamp(24px, 3vw, 36px);
  border-radius: var(--radius);
  background: var(--c-accent-soft);
}
.post-detail__body p { margin: 0; text-wrap: pretty; }
.post-detail__body strong { color: var(--c-ink-strong); font-weight: 700; }
.post-detail__body em { font-style: italic; }
.post-detail__body s { text-decoration: line-through; }
.post-detail__body a { color: var(--c-accent, #2d5a8e); text-decoration: underline; }
.post-detail__body h1,
.post-detail__body h2,
.post-detail__body h3,
.post-detail__body h4,
.post-detail__body h5,
.ach-detail__rows h1,
.ach-detail__rows h2,
.ach-detail__rows h3,
.ach-detail__rows h4,
.ach-detail__rows h5 {
  font-family: var(--font-ja-heading, inherit);
  color: var(--c-ink-strong, #1a1a1a);
  letter-spacing: 0.02em;
  text-wrap: balance;
}
.post-detail__body h1, .ach-detail__rows h1 { font-size: 1.5em; font-weight: 700; margin: 1.2em 0 0.4em; line-height: 1.4; }
.post-detail__body h2, .ach-detail__rows h2 { font-size: 1.25em; font-weight: 700; margin: 1em 0 0.4em; line-height: 1.5; }
.post-detail__body h3, .ach-detail__rows h3 { font-size: 1.05em; font-weight: 700; margin: 0.9em 0 0.4em; line-height: 1.6; }
.post-detail__body h4, .ach-detail__rows h4 { font-size: 1em; font-weight: 700; margin: 0.8em 0 0.3em; line-height: 1.6; }
.post-detail__body h5, .ach-detail__rows h5 { font-size: 0.95em; font-weight: 700; margin: 0.7em 0 0.3em; line-height: 1.6; }
.post-detail__body ul,
.post-detail__body ol,
.ach-detail__rows ul,
.ach-detail__rows ol {
  padding-left: 1.5em;
  margin: 0.4em 0;
}
.post-detail__body ul, .ach-detail__rows ul { list-style: disc; }
.post-detail__body ol, .ach-detail__rows ol { list-style: decimal; }
.post-detail__body li, .ach-detail__rows li { margin: 0.2em 0; }
.post-detail__body li p { margin: 0; }
.post-detail__body blockquote,
.ach-detail__rows blockquote {
  border-left: 3px solid var(--c-line, #d1d5db);
  padding: 0.2em 0 0.2em 1em;
  margin: 0.6em 0;
  color: var(--c-ink-soft, #4b5563);
  font-style: italic;
}
.post-detail__body figure { margin: 0.4em 0; }
.post-detail__body img,
.post-detail__body figure img,
.ach-detail__rows img,
.ach-detail__rows figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}
.post-detail__body figcaption,
.ach-detail__rows figcaption {
  margin-top: 0.4em;
  font-size: 13px;
  color: var(--c-ink-soft);
  text-align: center;
}
.post-detail__back {
  margin-top: clamp(28px, 4vw, 48px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--c-line);
  display: flex;
  justify-content: center;
}
.post-detail__back a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: var(--ls-label);
  color: var(--c-ink-strong);
  border-bottom: 1px solid var(--c-ink-strong);
  padding-bottom: 4px;
}
.post-detail__back a:hover { background: var(--c-accent-soft); }
.post-detail__back .icon { width: 16px; height: 16px; }

/* ===== Achievement detail ===== */
.ach-detail {
  width: min(880px, 92vw);
  margin-inline: auto;
  display: grid;
  gap: clamp(24px, 3vw, 36px);
}
.ach-detail__head {
  display: grid;
  gap: 12px;
}
.ach-detail__title {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-ink-strong);
  text-wrap: balance;
}
.ach-detail__rows { display: grid; gap: clamp(16px, 2vw, 24px); }
.ach-detail__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px clamp(16px, 3vw, 32px);
  padding: clamp(14px, 2vw, 20px) 0;
  border-top: 1px solid var(--c-line);
}
.ach-detail__row:last-child { border-bottom: 1px solid var(--c-line); }
.ach-detail__row dt {
  font-family: var(--ff-en);
  font-size: 12px;
  letter-spacing: var(--ls-label);
  font-weight: 600;
  color: #6b655c;
}
.ach-detail__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.95;
  color: var(--c-ink-strong);
  text-wrap: pretty;
}
@media (min-width: 768px) {
  .ach-detail__row { grid-template-columns: 180px 1fr; }
}

/* ===== Column placeholder ===== */
.column-empty {
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  padding: clamp(56px, 8vw, 96px) clamp(20px, 4vw, 40px);
  text-align: center;
  background: var(--c-surface);
}
.column-empty__text {
  margin: 0;
  font-family: var(--ff-jp);
  font-size: var(--fs-body);
  line-height: 2;
  color: var(--c-ink);
  text-wrap: pretty;
}

/* ===== White Paper（一覧） ===== */
.wp-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 2.4vw, 32px);
}
@media (max-width: 768px) { .wp-list { grid-template-columns: 1fr; } }

.wp-card {
  position: relative;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: clamp(16px, 2vw, 28px);
  padding: clamp(16px, 1.6vw, 22px);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  text-decoration: none;
  color: inherit;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .5s var(--ease);
}
.wp-card:hover,
.wp-card.reveal.is-in:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 44px -14px rgba(17,17,17,.18), 0 12px 24px -10px rgba(17,17,17,.10);
  border-color: rgba(17,17,17,.22);
}
.wp-card:hover .wp-card__media img { transform: scale(1.04); }
.wp-card:focus-visible { outline: 2px solid var(--c-ink-strong); outline-offset: 4px; }
@media (prefers-reduced-motion: reduce) {
  .wp-card { transition: none; }
  .wp-card:hover { transform: none; }
  .wp-card:hover .wp-card__media img { transform: none; }
}
.wp-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 6px;
  overflow: hidden;
  background: var(--c-accent-soft, #f4f1ea);
}
.wp-card__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(17,17,17,0) 60%, rgba(17,17,17,.18) 100%);
  pointer-events: none;
}
.wp-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}
.wp-card__body { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.wp-card__date {
  font-family: var(--ff-en);
  font-size: 12px; letter-spacing: var(--ls-label);
  color: var(--c-ink);
}
.wp-card__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.wp-card__tag {
  font-size: 11px; letter-spacing: 0.04em;
  padding: 3px 9px;
  background: var(--c-accent-soft, #f4f1ea);
  border-radius: 999px;
  color: var(--c-ink-strong);
}
.wp-card__title {
  margin: 4px 0 0;
  font-family: var(--ff-jp);
  font-weight: 700;
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.55;
  color: var(--c-ink-strong);
  text-wrap: pretty;
}
.wp-card__excerpt {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.wp-card__cta {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--ff-en);
  font-weight: 600;
  font-size: var(--fs-label);
  letter-spacing: var(--ls-label);
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--c-ink-strong);
}
.wp-card__cta .icon { transition: transform .35s var(--ease); }
.wp-card:hover .wp-card__cta .icon { transform: translateX(4px); }

@media (max-width: 640px) {
  .wp-card { grid-template-columns: 1fr; }
  .wp-card__media { aspect-ratio: 16 / 10; }
}

/* ===== White Paper（詳細） ===== */
.wp-detail__wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}
.wp-detail__wrap > * { min-width: 0; }
@media (min-width: 1024px) {
  .wp-detail__wrap { grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr); align-items: start; }
}
.wp-detail__hero {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-accent-soft, #f4f1ea);
  margin-bottom: clamp(20px, 2.4vw, 32px);
}
.wp-detail__hero img { width: 100%; height: 100%; object-fit: cover; display: block; }
.wp-detail__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.wp-detail__meta-tag {
  font-size: 12px;
  padding: 4px 10px;
  background: var(--c-accent-soft, #f4f1ea);
  border-radius: 999px;
  color: var(--c-ink-strong);
  letter-spacing: 0.04em;
}
.wp-detail__title {
  margin: 0 0 18px;
  font-family: var(--ff-jp);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.5;
  color: var(--c-ink-strong);
  letter-spacing: 0.01em;
  text-wrap: pretty;
}
.wp-detail__lead {
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 2;
  color: var(--c-ink-strong);
  text-wrap: pretty;
}
.wp-detail__body { display: grid; gap: clamp(20px, 2.4vw, 32px); }
.wp-detail__block h3 {
  margin: 0 0 12px;
  font-family: var(--ff-jp);
  font-weight: 700;
  font-size: 17px;
  color: var(--c-ink-strong);
  padding-left: 14px;
  border-left: 3px solid var(--c-ink-strong);
  line-height: 1.4;
}
.wp-detail__toc { padding-left: 1.2em; list-style: decimal; display: grid; gap: 6px; color: var(--c-ink); }
.wp-detail__specs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--c-line);
}
.wp-detail__specs > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 14px;
}
.wp-detail__specs dt { color: var(--c-ink); font-family: var(--ff-en); font-size: 12px; letter-spacing: var(--ls-label); padding-top: 2px; }
.wp-detail__specs dd { margin: 0; color: var(--c-ink-strong); }
.wp-detail__bullets { padding-left: 1.2em; list-style: disc; display: grid; gap: 6px; color: var(--c-ink); }

/* ===== White Paper（DLフォーム） ===== */
.wp-form {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: clamp(22px, 2.6vw, 36px);
  box-shadow: var(--shadow-card);
}
@media (min-width: 1024px) { .wp-form { position: sticky; top: 96px; } }
.wp-form__head { display: grid; gap: 6px; margin-bottom: 20px; }
.wp-form__en {
  font-family: var(--ff-en);
  font-size: 12px;
  letter-spacing: var(--ls-label);
  color: var(--c-ink);
}
.wp-form__title {
  margin: 0;
  font-family: var(--ff-jp);
  font-weight: 700;
  font-size: clamp(18px, 1.8vw, 22px);
  color: var(--c-ink-strong);
  letter-spacing: 0.01em;
}
.wp-form__lead {
  margin: 0 0 18px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--c-ink);
}
.wp-form .contact-form__row { margin-bottom: 14px; }
.wp-form .contact-form__row:last-of-type { margin-bottom: 0; }
.wp-form input[type="text"],
.wp-form input[type="email"],
.wp-form input[type="tel"],
.wp-form select,
.wp-form textarea { min-width: 0; max-width: 100%; box-sizing: border-box; }
.wp-form__submit {
  margin-top: 22px;
  width: 100%;
  justify-content: center;
}
.wp-form__hint {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--c-ink);
  text-align: center;
}