/* ==========================================================================
   京橋白木様事例ページ専用スタイル
   ── クリーン基調を保ちつつ、物語型に必要な装飾を最小限で追加
   ========================================================================== */

/* ====== Case Hero ====== */
.case-hero {
  position: relative;
  padding: 100px 0 80px;
  background: linear-gradient(180deg, #f8fafa 0%, #fff 100%);
  overflow: hidden;
}
.case-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, rgba(0, 174, 187, 0.06), transparent 60%);
  pointer-events: none;
}
.case-hero .container { position: relative; }

.case-hero .crumbs {
  font-size: 12px;
  color: var(--gray-3);
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}
.case-hero .crumbs a {
  color: var(--gray-3);
  text-decoration: none;
}
.case-hero .crumbs a:hover { color: var(--teal); }
.case-hero .crumbs span { margin: 0 8px; color: var(--gray-2); }

.case-hero .eyebrow {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--teal);
  font-weight: 700;
  margin-bottom: 20px;
  padding-left: 14px;
  border-left: 2px solid var(--teal);
}

.case-hero h1 {
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.5;
  letter-spacing: 0.02em;
  margin-bottom: 28px;
  color: var(--ink);
}
.case-hero h1 .hl {
  background: linear-gradient(transparent 65%, rgba(0, 174, 187, 0.18) 65%);
  padding: 0 4px;
}

.case-hero__lead {
  font-size: 16px;
  line-height: 2;
  color: var(--gray-4);
  margin-bottom: 56px;
  max-width: 720px;
}

/* ====== Hero写真＋SINCE 1896朱印 ====== */
.case-hero__media {
  position: relative;
  display: flex;
  justify-content: flex-end;
  margin-top: 40px;
}

.hero-photo {
  position: relative;
  max-width: 560px;
  width: 100%;
  margin: 0;
}
.hero-photo img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
  box-shadow: 0 22px 60px rgba(10, 26, 30, 0.18);
  background: #fff;
}

/* 朱印：京橋白木様の SINCE 1896 ── 江戸の朱印イメージ */
.since-stamp {
  position: absolute;
  top: -36px;
  left: -36px;
  width: 132px;
  height: 132px;
  border-radius: 50%;
  background: #c8102e;
  color: #fffaf0;
  display: grid;
  place-items: center;
  text-align: center;
  font-family: 'Noto Serif JP', serif;
  transform: rotate(-8deg);
  box-shadow: 0 10px 28px rgba(200, 16, 46, 0.35);
  border: 3px solid rgba(255, 255, 255, 0.4);
  z-index: 5;
}
.since-stamp::before {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.45);
}
.since-stamp__num {
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
}
.since-stamp__label {
  font-size: 10px;
  letter-spacing: 0.25em;
  margin-top: 4px;
  font-weight: 500;
}
.since-stamp__sub {
  font-size: 9px;
  letter-spacing: 0.1em;
  margin-top: 6px;
  opacity: 0.92;
}

@media (max-width: 720px) {
  .case-hero__media { justify-content: center; }
  .since-stamp {
    width: 100px;
    height: 100px;
    top: -24px;
    left: -16px;
  }
  .since-stamp__num { font-size: 22px; }
}

/* ====== メトリクス（横並びの数字カード） ====== */
.case-meta {
  padding: 56px 0;
  background: var(--ink);
  color: #fff;
  position: relative;
}
.case-meta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(0, 174, 187, 0.15), transparent 50%);
  pointer-events: none;
}
.case-meta .container { position: relative; }

.meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin: 0;
}
.meta-item dt {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--teal);
  font-weight: 500;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.meta-item dt::before {
  content: "—— ";
  color: var(--teal);
}
.meta-item dd {
  margin: 0;
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
}
.meta-num {
  font-size: 52px;
  line-height: 1;
  letter-spacing: 0.01em;
}
.meta-item dd small {
  font-size: 16px;
  font-weight: 400;
  margin-left: 6px;
  opacity: 0.9;
}
.meta-text {
  font-size: 22px;
  line-height: 1.4;
}
.meta-sub {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  opacity: 0.7;
  margin-top: 10px;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
}

@media (max-width: 880px) {
  .meta-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
}

/* ====== ストーリーセクション ====== */
.story-section {
  padding: 110px 0;
  background: #fff;
}
.story-section--alt {
  background: #fafbfb;
}

.story-block {
  max-width: 820px;
  margin: 0 auto;
}
.story-no {
  display: inline-block;
  font-family: 'Noto Serif JP', serif;
  font-size: 13px;
  letter-spacing: 0.32em;
  color: var(--teal);
  font-weight: 700;
  margin-bottom: 24px;
  position: relative;
  padding-left: 50px;
}
.story-no::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 36px;
  height: 1px;
  background: var(--teal);
}

.story-block h2 {
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.55;
  letter-spacing: 0.02em;
  margin-bottom: 36px;
  color: var(--ink);
}

.story-block p {
  font-size: 16px;
  line-height: 2.05;
  color: var(--gray-4);
  margin-bottom: 22px;
  letter-spacing: 0.02em;
}
.story-block p strong {
  color: var(--ink);
  font-weight: 700;
  background: linear-gradient(transparent 70%, rgba(0, 174, 187, 0.18) 70%);
  padding: 0 2px;
}

/* 引用 */
.pull-quote {
  margin: 40px 0 8px;
  padding: 30px 36px 30px 56px;
  border-left: 3px solid var(--teal);
  background: #f4fafa;
  font-family: 'Noto Serif JP', serif;
  font-size: 18px;
  line-height: 2.1;
  color: var(--ink);
  position: relative;
  font-weight: 500;
}
.pull-quote::before {
  content: "『";
  position: absolute;
  left: 14px;
  top: 18px;
  font-size: 40px;
  color: var(--teal);
  opacity: 0.45;
  line-height: 1;
}

/* ====== ソリューションカード ====== */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.solution-card {
  padding: 26px 22px;
  background: #fff;
  border: 1px solid var(--gray-2);
  border-radius: 8px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}
.solution-card:hover {
  border-color: var(--teal);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 174, 187, 0.08);
}
.solution-card--special {
  background: linear-gradient(135deg, #f4fafa 0%, #fff 100%);
  border-color: var(--teal);
}
.solution-icon {
  display: inline-block;
  font-size: 22px;
  margin-bottom: 12px;
}
.solution-card h3 {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  color: var(--ink);
  font-weight: 700;
}
.solution-num {
  font-family: 'Noto Serif JP', serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--teal);
  margin: 0 0 8px;
  line-height: 1;
}
.solution-num small {
  font-size: 13px;
  font-weight: 400;
  color: var(--gray-4);
  margin-left: 4px;
}
.solution-desc {
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray-4);
  margin: 0;
}

@media (max-width: 880px) {
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .solutions-grid { grid-template-columns: 1fr; }
}

/* ====== なぜ続いているか ====== */
.why-section {
  padding: 110px 0;
  background: var(--ink);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.why-section::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 174, 187, 0.18), transparent 70%);
  pointer-events: none;
}
.why-section .container { position: relative; }

.why-section .eyebrow {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--teal);
  font-weight: 700;
  margin-bottom: 20px;
}
.why-section h2 {
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1.5;
  letter-spacing: 0.02em;
  margin-bottom: 56px;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}
.why-item {
  padding: 28px 26px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  backdrop-filter: blur(6px);
  transition: border-color 0.3s, background 0.3s;
}
.why-item:hover {
  border-color: var(--teal);
  background: rgba(0, 174, 187, 0.08);
}
.why-num {
  display: inline-block;
  font-family: 'Noto Serif JP', serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.why-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 14px;
  line-height: 1.5;
  color: #fff;
}
.why-item p {
  font-size: 14px;
  line-height: 1.95;
  color: rgba(255, 255, 255, 0.78);
  margin: 0;
}

@media (max-width: 880px) {
  .why-grid { grid-template-columns: 1fr; gap: 16px; }
}

/* ====== 推奨セクション ====== */
.recommend-section {
  padding: 100px 0;
  background: #fafbfb;
}
.recommend-card {
  max-width: 880px;
  margin: 0 auto;
  padding: 60px 56px;
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--gray-2);
  box-shadow: 0 18px 50px rgba(10, 26, 30, 0.06);
}
.recommend-card .eyebrow {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--teal);
  font-weight: 700;
  margin-bottom: 16px;
}
.recommend-card h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 700;
  margin-bottom: 32px;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.recommend-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.recommend-list li {
  position: relative;
  padding: 16px 0 16px 36px;
  border-bottom: 1px solid var(--gray-2);
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray-4);
}
.recommend-list li:last-child { border-bottom: none; }
.recommend-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 16px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
}
.recommend-list strong {
  color: var(--ink);
  font-weight: 700;
}

@media (max-width: 720px) {
  .recommend-card { padding: 40px 28px; }
}

/* ====== CTAセクション ====== */
.cta-section {
  padding: 100px 0 110px;
  background: linear-gradient(135deg, var(--ink) 0%, #0a1a1e 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0, 174, 187, 0.12), transparent 60%);
  pointer-events: none;
}
.cta-section .container { position: relative; }
.cta-section .eyebrow {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--teal);
  font-weight: 700;
  margin-bottom: 20px;
}
.cta-section h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.5;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
  font-weight: 700;
}
.cta-lead {
  font-size: 15px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 36px;
}
.cta-section .cta-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-section .btn-primary {
  background: var(--teal);
  color: #fff;
  padding: 14px 32px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: background 0.3s, transform 0.3s;
}
.cta-section .btn-primary:hover {
  background: #00929e;
  transform: translateY(-2px);
}
.cta-section .btn-secondary {
  background: transparent;
  color: #fff;
  padding: 14px 28px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.06em;
  transition: background 0.3s, border-color 0.3s;
}
.cta-section .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.6);
}
.icon-arrow {
  font-size: 16px;
  transition: transform 0.3s;
}
.cta-section .btn-primary:hover .icon-arrow {
  transform: translateX(4px);
}

/* ====== prefers-reduced-motion ====== */
@media (prefers-reduced-motion: reduce) {
  .solution-card, .why-item, .cta-section .btn-primary {
    transition: none;
  }
}