/* =============================================
   HAMU Lab - project.css
   プロジェクト詳細ページ専用スタイル
   ============================================= */

/* ---------- Breadcrumb ---------- */
.project-breadcrumb {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.project-breadcrumb a {
  color: var(--color-accent);
}

.project-breadcrumb a:hover {
  text-decoration: underline;
}

.project-breadcrumb span {
  color: var(--color-border);
}

/* ---------- Project Hero ---------- */
.project-page-hero {
  padding: 120px 24px 80px;
  background: linear-gradient(160deg, #f5f3ef 0%, #faf9f6 60%, #f0ede8 100%);
}

.project-hero-inner {
  max-width: 760px;
  margin: 0 auto;
}

.project-hero-tag {
  display: inline-block;
  background: var(--color-navy);
  color: rgba(255,255,255,0.85);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.project-hero-title {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.25;
  margin-bottom: 16px;
  font-family: var(--font-serif);
}

.project-hero-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.85;
  margin-bottom: 24px;
  max-width: 560px;
}

.project-hero-target {
  display: inline-flex;
  gap: 8px;
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 0.84rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.project-hero-target strong {
  color: var(--color-navy);
  font-weight: 600;
  flex-shrink: 0;
}

/* ---------- Project Section Common ---------- */
.project-section {
  padding: 72px 24px;
}

.project-section-inner {
  max-width: 760px;
  margin: 0 auto;
}

.project-section-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.project-section-title {
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.35;
  margin-bottom: 28px;
}

/* ---------- Problem Section ---------- */
.project-problem {
  background: var(--color-bg);
}

.problem-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.problem-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 20px;
  background: var(--color-surface);
  border: 1px solid #f5c4b3;
  border-left: 3px solid #c94c2e;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.problem-bullet {
  color: #c94c2e;
  font-size: 1rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.problem-text {
  font-size: 0.92rem;
  color: var(--color-text);
  line-height: 1.75;
}

/* ---------- Solution Section ---------- */
.project-solution {
  background: var(--color-surface);
}

.solution-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.solution-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 20px;
  background: var(--color-bg);
  border: 1px solid #b3dfc7;
  border-left: 3px solid #1e6b45;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.solution-bullet {
  color: #1e6b45;
  font-size: 1rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.solution-text {
  font-size: 0.92rem;
  color: var(--color-text);
  line-height: 1.75;
}

/* ---------- Screen Section ---------- */
.project-screen {
  background: var(--color-bg);
}

.screen-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  border: 2px dashed #ccc;
}

.screen-placeholder-icon {
  font-size: 2.5rem;
  opacity: 0.4;
}

.screen-placeholder-text {
  font-size: 0.82rem;
  color: #bbb;
  text-align: center;
  line-height: 1.6;
}

/* ---------- Demo Section ---------- */
.project-demo {
  padding: 72px 24px;
  background: var(--color-navy);
}

.project-demo-inner {
  max-width: 860px;
  margin: 0 auto;
}

.project-demo .project-section-label {
  color: var(--color-accent-light);
}

.project-demo .project-section-title {
  color: #fff;
}

.project-demo-note {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  margin-bottom: 28px;
  line-height: 1.7;
}

.demo-frame-wrapper {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 48px rgba(0,0,0,0.35);
}

.demo-frame-wrapper iframe {
  width: 100%;
  min-height: 520px;
  border: none;
  display: block;
}

/* ---------- CTA Section ---------- */
.project-cta {
  padding: 72px 24px;
  background: var(--color-surface);
  text-align: center;
}

.project-cta-inner {
  max-width: 540px;
  margin: 0 auto;
}

.project-cta-title {
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.45;
  margin-bottom: 16px;
}

.project-cta-text {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: 32px;
}

.project-back-link {
  display: block;
  margin-top: 28px;
  font-size: 0.84rem;
  color: var(--color-text-muted);
}

.project-back-link a {
  color: var(--color-accent);
}

.project-back-link a:hover {
  text-decoration: underline;
}

/* ---------- Project Card Link (top page) ---------- */
.project-detail-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  padding: 10px 0;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--color-accent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.project-detail-link:hover {
  border-bottom-color: var(--color-accent);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .project-page-hero {
    padding: 100px 20px 60px;
  }

  .project-section,
  .project-demo,
  .project-cta {
    padding: 56px 20px;
  }

  .demo-frame-wrapper iframe {
    min-height: 600px;
  }
}