/* ==========================================
   PHOTO PLACEHOLDER SYSTEM
   実際の写真に差し替える際は .ph を <img> に変更
========================================== */
.ph {
  background: linear-gradient(150deg, #c5d8e8 0%, #90aec6 100%);
  overflow: hidden; position: relative; display: block;
}
.ph img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.ph[data-label]::after {
  content: attr(data-label);
  position: absolute; bottom: .6rem; left: .6rem;
  font-size: .6rem; font-weight: 600; letter-spacing: .1em;
  color: rgba(255,255,255,.75); background: rgba(0,0,0,.35);
  padding: .18rem .55rem; border-radius: 3px; pointer-events: none;
}
/* Aspect ratio helpers */
.r16x9 { aspect-ratio: 16/9; }
.r4x3  { aspect-ratio: 4/3; }
.r3x2  { aspect-ratio: 3/2; }
.r1x1  { aspect-ratio: 1/1; }
.r3x4  { aspect-ratio: 3/4; }
.r2x3  { aspect-ratio: 2/3; }

/* ==========================================
   SECTION TAG (小見出しラベル)
========================================== */
.section-tag {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-en); font-size: .65rem; font-weight: 700;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--color-accent); margin-bottom: .6rem;
}
.section-tag::before {
  content: ''; display: block; width: 18px; height: 2px;
  background: var(--color-accent);
}

/* ==========================================
   CARD
========================================== */
.card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--trans), transform var(--trans);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.card-img { width: 100%; height: 220px; object-fit: cover; display: block; }
.card-img.ph { height: 220px; }
.card-body { padding: 1.5rem; }
.card-tag {
  display: inline-block; font-size: .68rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--color-accent); background: rgba(41,121,196,.1);
  padding: .2rem .75rem; border-radius: 999px; margin-bottom: .75rem;
}
.card-title { font-size: 1.05rem; margin-bottom: .5rem; color: var(--color-primary); font-weight: 600; }
.card-text { font-size: .875rem; color: var(--color-text-lt); line-height: 1.75; }

/* ==========================================
   NEWS LIST
========================================== */
.news-item {
  display: flex; align-items: flex-start; gap: 1.25rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--trans);
}
.news-date { font-size: .8rem; color: var(--color-text-lt); white-space: nowrap; padding-top: .2rem; font-family: var(--font-en); }
.news-cat {
  font-size: .68rem; font-weight: 700; padding: .15rem .65rem;
  border-radius: 999px; background: var(--color-accent); color: #fff;
  white-space: nowrap; align-self: flex-start; margin-top: .15rem; letter-spacing: .04em;
}
.news-title { font-size: .9rem; color: var(--color-text); transition: color var(--trans); line-height: 1.6; }
.news-item:hover .news-title { color: var(--color-accent); }

/* ==========================================
   DATA TABLE
========================================== */
.data-table { width: 100%; border-collapse: collapse; }
.data-table td,
.data-table th {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  font-size: .95rem; vertical-align: top;
}
.data-table th {
  width: 200px; font-weight: 600;
  background: var(--color-bg); color: var(--color-primary);
  white-space: nowrap;
}

/* ==========================================
   TIMELINE
========================================== */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: ''; position: absolute; left: 7px; top: 0; bottom: 0;
  width: 2px; background: var(--color-border);
}
.timeline-item { position: relative; padding-bottom: 2rem; }
.timeline-dot {
  position: absolute; left: -2rem;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--color-accent);
  top: 4px;
}
.timeline-year {
  font-size: .8rem; font-weight: 700; color: var(--color-accent);
  font-family: var(--font-en); letter-spacing: .05em; margin-bottom: .3rem;
}
.timeline-text { font-size: .95rem; }

/* ==========================================
   NUMBER / STAT DISPLAY
========================================== */
.num-feature { text-align: center; padding: var(--space-sm); }
.num-feature .num {
  font-family: var(--font-en); font-size: 3.5rem; font-weight: 700;
  color: var(--color-accent); line-height: 1;
}
.num-feature .num span { font-size: 1.5rem; }
.num-feature p { font-size: .875rem; color: var(--color-text-lt); margin-top: .5rem; }

/* ==========================================
   SAFETY ITEM
========================================== */
.safety-item {
  display: flex; gap: 1.25rem; align-items: flex-start;
  background: #fff; border-radius: var(--radius-lg);
  padding: 1.75rem; box-shadow: var(--shadow-sm);
}
.safety-icon {
  flex-shrink: 0; width: 48px; height: 48px;
  border-radius: var(--radius); background: rgba(41,121,196,.1);
  display: flex; align-items: center; justify-content: center; font-size: 1.4rem;
}
.safety-body h3 { font-size: .975rem; color: var(--color-primary); margin-bottom: .35rem; font-weight: 600; }
.safety-body p { font-size: .85rem; color: var(--color-text-lt); line-height: 1.75; }

/* ==========================================
   WORK CARD
========================================== */
.work-card {
  background: #fff; border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: box-shadow var(--trans), transform var(--trans);
  display: flex; flex-direction: column;
}
.work-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.work-card-body { padding: 1.25rem 1.5rem; flex: 1; }
.work-cat {
  font-size: .65rem; font-weight: 700; letter-spacing: .1em;
  color: var(--color-accent); text-transform: uppercase; margin-bottom: .4rem;
}
.work-title { font-size: .95rem; color: var(--color-primary); font-weight: 600; margin-bottom: .3rem; }
.work-detail { font-size: .8rem; color: var(--color-text-lt); line-height: 1.6; }

/* ==========================================
   QUALIFICATION CARD
========================================== */
.qual-card {
  padding: 2rem; border-top: 4px solid var(--color-accent);
  border-radius: var(--radius-lg); background: var(--color-bg);
}
.qual-card .qual-num {
  font-family: var(--font-en); font-size: 3rem; font-weight: 700;
  color: var(--color-accent); line-height: 1; margin-bottom: .25rem;
}
.qual-card .qual-num span { font-size: 1.2rem; }
.qual-card .qual-name { font-size: 1rem; font-weight: 700; color: var(--color-primary); margin-bottom: .4rem; }
.qual-card .qual-note { font-size: .8rem; color: var(--color-text-lt); line-height: 1.65; }

/* ==========================================
   FAQ
========================================== */
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-q {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.25rem 0; cursor: pointer; font-weight: 500;
}
.faq-q::before {
  content: 'Q'; flex-shrink: 0;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--color-accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; font-weight: 700;
}
.faq-a {
  display: none; padding: 0 0 1.25rem 2.75rem;
  font-size: .95rem; color: var(--color-text-lt);
}
.faq-item.open .faq-a { display: block; }

/* ==========================================
   FORM
========================================== */
.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; font-size: .875rem; font-weight: 500; margin-bottom: .5rem; }
.required { color: #e74c3c; margin-left: .25rem; font-size: .75rem; }
.form-control {
  width: 100%; padding: .875rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius); font-size: .95rem;
  background: #fff; transition: border-color var(--trans), box-shadow var(--trans);
  font-family: var(--font-base);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(41,121,196,.15);
}
textarea.form-control { min-height: 160px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-privacy {
  background: var(--color-bg); border-radius: var(--radius);
  padding: 1.25rem 1.5rem; margin-bottom: 1.5rem;
}
.form-privacy h4 { font-size: .875rem; color: var(--color-primary); margin-bottom: .6rem; }
.form-privacy p { font-size: .825rem; color: var(--color-text-lt); line-height: 1.7; }
.form-error {
  color: #c0392b; font-size: .85rem;
  padding: .75rem 1rem; background: #fef0f0;
  border-radius: var(--radius); border-left: 3px solid #e74c3c;
  margin-top: .5rem;
}
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

/* ==========================================
   BADGE
========================================== */
.badge {
  display: inline-flex; align-items: center;
  padding: .3rem .9rem; border-radius: 999px;
  font-size: .75rem; font-weight: 600; letter-spacing: .05em;
}
.badge-primary { background: var(--color-primary); color: #fff; }
.badge-accent  { background: var(--color-accent);  color: #fff; }
.badge-outline { border: 1.5px solid var(--color-accent); color: var(--color-accent); }

/* ==========================================
   JOB TABLE (採用ページ)
========================================== */
.job-card {
  background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); overflow: hidden; margin-bottom: 2rem;
}
.job-card h3 {
  background: var(--color-primary); color: #fff;
  padding: 1.25rem 1.75rem; font-size: 1.05rem;
}
.job-table { width: 100%; border-collapse: collapse; }
.job-table td {
  padding: .875rem 1.25rem; border-bottom: 1px solid var(--color-border);
  font-size: .9rem; vertical-align: top;
}
.job-table td:first-child {
  width: 140px; background: var(--color-bg); font-weight: 600;
  color: var(--color-primary); white-space: nowrap;
}