/* ==========================================================================
   page-about.css — 会社概要ページ専用コンポーネント  Phase 59 全面刷新
   DESIGN: 墨絵（Sumi-e）× 和紙（Washi）× 苔（Moss）
   ========================================================================== */

/* ══════ ABOUT HERO ══════ */
.about-hero {
  background: var(--ink-deep);
  padding: 100px var(--section-pad-x) 80px;
  position: relative;
  overflow: hidden;
}

/* 大きな背景文字 "Company" */
.about-hero::after {
  content: "Company";
  position: absolute;
  bottom: -10px;
  right: -20px;
  font-family: var(--garamond);
  font-style: italic;
  font-size: clamp(80px, 14vw, 160px);
  font-weight: 400;
  color: rgba(243,241,235,0.04);
  letter-spacing: 0.02em;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

/* 放射状グラデ（左上・右下） */
.about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 8% 20%,  rgba(74,93,58,0.22), transparent 48%),
    radial-gradient(ellipse at 90% 80%, rgba(74,93,58,0.10), transparent 40%);
  pointer-events: none;
}

.about-hero__inner {
  max-width: var(--container-lg);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* eyebrow */
.about-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--garamond);
  font-style: italic;
  font-size: var(--fs-small);
  letter-spacing: 0.45em;
  color: var(--moss);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.about-hero__eyebrow::before {
  content: "";
  display: inline-block;
  width: 32px; height: 1px;
  background: var(--moss);
}

.about-hero h1 {
  font-family: var(--yuji);
  font-size: clamp(34px, 5vw, 54px);
  font-weight: 400;
  letter-spacing: 0.14em;
  line-height: 1.3;
  color: var(--paper);
  margin-bottom: 28px;
}
.about-hero h1 span {
  display: inline-block;
  border-bottom: 2px solid var(--moss);
  padding-bottom: 4px;
}

.about-hero__lead {
  font-family: var(--shippori);
  font-size: var(--fs-body);
  line-height: 2.1;
  color: var(--paper-60);
  max-width: 640px;
  letter-spacing: 0.04em;
}

/* 信頼バー（ヒーロー下部） */
.about-hero__trust {
  display: flex;
  gap: 0;
  margin-top: 52px;
  border-top: 1px solid rgba(243,241,235,0.1);
  padding-top: 36px;
}
.about-hero__trust-item {
  flex: 1;
  padding-right: 32px;
  border-right: 1px solid rgba(243,241,235,0.1);
}
.about-hero__trust-item:last-child {
  border-right: none;
  padding-right: 0;
  padding-left: 32px;
}
.about-hero__trust-item:not(:first-child):not(:last-child) {
  padding: 0 32px;
}
.about-hero__trust-num {
  font-family: var(--garamond);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 400;
  color: var(--paper);
  line-height: 1;
  margin-bottom: 8px;
}
.about-hero__trust-num span {
  font-size: 0.55em;
  color: var(--paper-60);
  margin-left: 4px;
}
.about-hero__trust-lab {
  font-family: var(--shippori);
  font-size: var(--fs-small);
  color: var(--paper-60);
  letter-spacing: 0.06em;
  line-height: 1.6;
}

/* ══════ SECTION BASE ══════ */
.about-section {
  padding: var(--space-3xl) var(--section-pad-x);
  scroll-margin-top: var(--scroll-offset);
}
.about-section__inner {
  max-width: var(--container-lg);
  margin: 0 auto;
}
.about-section--alt {
  background: var(--paper-d);
}

/* セクション共通 見出しブロック */
.about-section__pre {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--garamond);
  font-style: italic;
  font-size: var(--fs-small);
  letter-spacing: 0.45em;
  color: var(--moss);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.about-section__pre::before {
  content: "";
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--moss);
}
.about-section__title {
  font-family: var(--yuji);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--ink-deep);
  margin-bottom: 36px;
  line-height: 1.4;
}
.about-section__title em {
  color: var(--moss);
  font-style: normal;
}

/* ══════ ご挨拶 ══════ */
.about-greeting {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 64px;
  align-items: start;
  margin-top: 8px;
}

.about-message__body p {
  font-family: var(--shippori);
  font-size: var(--fs-body);
  line-height: 2.3;
  color: var(--ink-mid);
  letter-spacing: 0.04em;
}
.about-message__body p + p { margin-top: var(--space-md); }

.about-message__sign {
  margin-top: var(--space-lg);
  text-align: right;
  font-family: var(--yuji);
  font-size: var(--fs-h3s);
  letter-spacing: 0.15em;
  color: var(--ink-deep);
}
.about-message__sign small {
  display: block;
  font-family: var(--shippori);
  font-size: var(--fs-small);
  letter-spacing: 0.08em;
  color: var(--mist);
  margin-top: 6px;
}

/* 挨拶 右側 — キーバリューパネル */
.about-values {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.about-values__item {
  background: var(--paper-d);
  border-left: 3px solid var(--moss);
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.about-values__label {
  font-family: var(--garamond);
  font-style: italic;
  font-size: var(--fs-small);
  letter-spacing: 0.28em;
  color: var(--moss);
}
.about-values__text {
  font-family: var(--yuji);
  font-size: var(--fs-body-s);
  letter-spacing: 0.1em;
  color: var(--ink-deep);
  line-height: 1.5;
}

/* ══════ 会社概要テーブル ══════ */
.about-table {
  width: 100%;
  margin-top: 8px;
  border-top: 1px solid var(--line);
}
.about-table tr {
  border-bottom: 1px solid var(--line);
  transition: background var(--duration-fast);
}
.about-table tr:hover { background: var(--paper-w); }
.about-table th,
.about-table td {
  padding: 22px 28px;
  font-family: var(--shippori);
  font-size: var(--fs-body-s);
  line-height: 1.8;
  letter-spacing: 0.04em;
  text-align: left;
  vertical-align: top;
}
.about-table th {
  width: 200px;
  color: var(--ink-deep);
  font-weight: 500;
  background: rgba(74,93,58,0.04);
  white-space: nowrap;
}
.about-table td {
  color: var(--ink-mid);
}
.about-table td a {
  color: var(--moss);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.about-table td a:hover { color: var(--moss-d); }

/* ══════ 古物商表記 ══════ */
.about-license {
  margin-top: 36px;
  padding: 36px 32px;
  background: var(--paper-w);
  border: 1px solid var(--line);
  border-left: 3px solid var(--moss);
  position: relative;
}
.about-license h3 {
  font-family: var(--yuji);
  font-size: var(--fs-h3s);
  letter-spacing: 0.1em;
  color: var(--ink-deep);
  margin-bottom: 20px;
}
.about-license dl {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 8px 24px;
}
.about-license dt {
  font-family: var(--shippori);
  font-size: var(--fs-ui);
  color: var(--ink-deep);
  font-weight: 500;
  letter-spacing: 0.06em;
}
.about-license dd {
  font-family: var(--shippori);
  font-size: var(--fs-ui);
  color: var(--ink-mid);
  letter-spacing: 0.03em;
}

/* ══════ 蘊蓄コラム ══════ */
.unchiku__intro {
  font-family: var(--shippori);
  font-size: var(--fs-body);
  line-height: 2.1;
  color: var(--ink-mid);
  max-width: var(--container-sm);
  margin-top: 8px;
  margin-bottom: var(--space-lg);
  letter-spacing: 0.03em;
}

.unchiku__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.unchiku__card {
  background: var(--paper-w);
  border: 1px solid var(--line);
  border-top: 3px solid var(--moss);
  padding: 32px 26px 28px;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--duration-base) var(--easing),
              transform  var(--duration-base) var(--easing);
}
.unchiku__card:hover {
  box-shadow: 0 8px 28px rgba(13,13,13,0.08);
  transform: translateY(-3px);
}
.unchiku__card-num {
  font-family: var(--garamond);
  font-style: italic;
  font-size: 15px;
  letter-spacing: 0.35em;
  color: var(--moss);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.unchiku__card h3 {
  font-family: var(--yuji);
  font-size: var(--fs-h3);
  letter-spacing: 0.1em;
  color: var(--ink-deep);
  margin-bottom: 14px;
  line-height: 1.55;
}
.unchiku__card p {
  font-family: var(--shippori);
  font-size: var(--fs-caption);
  line-height: 2.05;
  color: var(--ink-mid);
  flex: 1;
  letter-spacing: 0.02em;
}

/* 蘊蓄 読み物セクション */
.unchiku__essay {
  margin-top: 52px;
  max-width: var(--container-sm);
  padding: 40px 36px;
  background: var(--paper-w);
  border: 1px solid var(--line);
  border-left: 3px solid var(--moss);
}
.unchiku__essay-title {
  font-family: var(--yuji);
  font-size: var(--fs-sub);
  letter-spacing: 0.1em;
  color: var(--ink-deep);
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.unchiku__essay p {
  font-family: var(--shippori);
  font-size: var(--fs-body-s);
  line-height: 2.25;
  color: var(--ink-mid);
  letter-spacing: 0.03em;
}
.unchiku__essay p + p { margin-top: 20px; }

/* CTA BAND → common.css (.page-cta-band) */

/* ══════ RESPONSIVE: 1100px ══════ */
@media (max-width: 1100px) {
  .about-hero { padding: 72px var(--section-pad-x-tablet) 60px; }
  .about-section { padding: 64px var(--section-pad-x-tablet); }
  .about-greeting { grid-template-columns: 1fr; gap: 44px; }
  .about-values { flex-direction: row; flex-wrap: wrap; }
  .about-values__item { flex: 1 1 calc(50% - 2px); }
  .unchiku__grid { grid-template-columns: repeat(2, 1fr); }
  .about-hero__trust { flex-wrap: wrap; }
  .about-hero__trust-item { flex: 0 0 calc(50% - 1px); border-right: none; padding: 0 0 20px; border-bottom: 1px solid rgba(243,241,235,0.1); }
  .about-hero__trust-item:last-child { border-bottom: none; }
}

/* ══════ RESPONSIVE: 760px ══════ */
@media (max-width: 760px) {
  .about-hero { padding: 56px var(--section-pad-x-mobile) 48px; }
  .about-hero::after { font-size: 72px; }
  .about-hero h1 { font-size: 31px; letter-spacing: 0.08em; }
  .about-hero__lead { font-size: var(--fs-body-s); }
  .about-hero__trust { flex-direction: column; gap: 0; margin-top: 36px; }
  .about-hero__trust-item { flex: none; padding: 16px 0; border-right: none; border-bottom: 1px solid rgba(243,241,235,0.1); }
  .about-hero__trust-item:last-child { border-bottom: none; padding-left: 0; }
  .about-hero__trust-item:not(:first-child):not(:last-child) { padding: 16px 0; }

  .about-section { padding: 48px var(--section-pad-x-mobile); }
  .about-greeting { grid-template-columns: 1fr; gap: 36px; }
  .about-values { flex-direction: column; }
  .about-values__item { flex: none; }

  .about-table th { width: 110px; padding: 16px 12px; font-size: var(--fs-caption); }
  .about-table td { padding: 16px 12px; font-size: var(--fs-caption); }

  .about-license { padding: 24px 20px; }
  .about-license dl { grid-template-columns: 1fr; gap: 4px 0; }
  .about-license dd { margin-bottom: 12px; }

  .unchiku__grid { grid-template-columns: 1fr; gap: 14px; }
  .unchiku__card { padding: 26px 20px 22px; }
  .unchiku__essay { padding: 28px 20px; margin-top: 36px; }
}


/* ══════════════════════════════════════════════
   Phase 60: about ページ 書的装飾仕掛け
   ══════════════════════════════════════════════ */

/* about-section: data-kanji 汎用ウォーターマーク */
.about-section { position: relative; }
.about-section[data-kanji]::after {
  content: attr(data-kanji);
  position: absolute;
  font-family: var(--yuji);
  font-size: clamp(140px, 20vw, 280px);
  color: var(--ink-deep);
  opacity: 0.035;
  bottom: 20px; right: 4%;
  line-height: 0.85;
  pointer-events: none;
  font-weight: 400;
  z-index: 0;
}
.about-section--alt[data-kanji]::after { opacity: 0.045; }

/* about-section__inner を前面に */
.about-section__inner { position: relative; z-index: 1; }

/* unchiku__essay の左罫線装飾 — 既存を補完 */
.unchiku__essay {
  position: relative;
}

/* about-hero__trust-item en テキスト */
.about-hero__trust-item {
  position: relative;
}
.about-hero__trust-item::after {
  content: attr(data-en);
  display: block;
  font-family: var(--garamond);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.45em;
  color: var(--paper);
  opacity: 0.45;
  margin-top: 6px;
  text-transform: uppercase;
  white-space: nowrap;
}

/* レスポンシブ */
@media (max-width: 760px) {
  .about-section[data-kanji]::after { display: none; }
}

/* =============================================
   Section side label (PC only)
   ============================================= */
@media (min-width: 1101px) {
  .about-section[data-side-label]::before {
    content: attr(data-side-label);
    display: block;
    position: absolute;
    left: clamp(8px, 1.5vw, 20px);
    top: 50%;
    transform: translateY(-50%) rotate(-90deg);
    transform-origin: center center;
    font-family: var(--garamond);
    font-style: italic;
    font-size: 13px;
    letter-spacing: 0.5em;
    color: var(--ink-deep);
    opacity: 0.15;
    white-space: nowrap;
    pointer-events: none;
    text-transform: uppercase;
    line-height: 1;
    z-index: 0;
  }
}