/* ============================================================
   Problem Section Styles
   ============================================================ */
.problem-section {
  max-width: 960px;
  margin: 0 auto;
  padding: 60px 20px 50px;
}

.problem-section__heading {
  text-align: center;
  margin-bottom: 40px;
}

.problem-section__label {
  display: inline-block;
  font-family: 'Times New Roman', 'Georgia', serif;
  font-size: 14px;
  letter-spacing: 0.15em;
  color: #b8a472;
  margin-bottom: 10px;
}

.problem-section__title {
  font-size: 32px;
  font-weight: bold;
  color: #333;
  line-height: 1.6;
}

.problem-section__title span { color: #0b5da2; }

.problem-awareness {
  background: #f7f6f2;
  border-radius: 8px;
  padding: 32px 28px;
  opacity: 0;
  transform: translateY(24px);
}

.problem-awareness.is-visible {
  animation: fadeUp 0.4s ease-out forwards;
}

.problem-awareness__lead {
  font-size: 18px;
  color: #555;
  text-align: center;
  line-height: 1.9;
  margin-bottom: 28px;
}

.problem-awareness__lead strong { color: #333; }

.problem-risk {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #e5e5e5;
}

.problem-risk__heading {
  font-size: 18px;
  font-weight: bold;
  color: #333;
  padding: 20px 24px 16px;
}

.problem-risk__list { 
  list-style: none;
  text-align: left;
}

.problem-risk__list li {
  font-size: 18px;
  color: #555;
  line-height: 1.8;
  padding: 14px 24px 14px 56px;
  position: relative;
  border-top: 1px solid #e5e5e5;
}

.problem-risk__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
}

.problem-risk__list li:nth-child(1)::before { background: rgba(212,83,78,0.4); }
.problem-risk__list li:nth-child(2)::before { background: rgba(212,83,78,0.55); }
.problem-risk__list li:nth-child(3)::before { background: rgba(212,83,78,0.75); }
.problem-risk__list li:nth-child(4)::before { background: #d4534e; width: 5px; }

.problem-risk__list li:nth-child(4) {
  background: rgba(212,83,78,0.05);
  font-weight: bold;
  color: #333;
}

.problem-risk__dot {
  position: absolute;
  left: 24px; top: 50%;
  transform: translateY(-50%);
  width: 6px; height: 6px;
  background: #0b5da2;
  border-radius: 50%;
}

.problem-risk__badge {
  position: absolute;
  left: 16px; top: 50%;
  transform: translateY(-50%);
  width: 26px; height: 26px;
  background: #d4534e;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.problem-risk__badge svg { width: 12px; height: 12px; }

.problem-arrow {
  text-align: center;
  padding: 32px 0;
}

.problem-arrow__icon { display: inline-block; }
.problem-arrow__icon svg { width: 60px; height: 36px; }

.problem-solution {
  text-align: center;
  opacity: 0;
  transform: translateY(24px);
}

.problem-solution.is-visible {
  animation: fadeUp 0.4s ease-out forwards;
}

.problem-solution__header {
  background: #0b5da2;
  border-radius: 8px;
  padding: 28px 24px;
  margin-bottom: 28px;
}

.problem-solution__header-title {
  font-size: 24px;
  font-weight: bold;
  color: #fff;
  line-height: 1.6;
  text-align: center;
}

.problem-solution__header-title span {
  border-bottom: 2px solid rgba(255,255,255,0.5);
  padding-bottom: 2px;
}

.problem-solution__catchcopy {
  font-size: 20px;
  font-weight: bold;
  color: #333;
  line-height: 1.6;
  margin-bottom: 8px;
  text-align: center;
}

.problem-solution__catchcopy span { color: #0b5da2; }

.problem-solution__subcopy {
  font-size: 18px;
  color: #555;
  margin-bottom: 28px;
  text-align: center;
}

.problem-solution__images {
  margin-bottom: 28px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.problem-solution__image-wrap {
  border-radius: 8px;
  overflow: hidden;
  background: #f7f6f2;
}

.problem-solution__image-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

.problem-solution__image-caption {
  font-size: 14px;
  color: #777;
  margin-top: 6px;
  text-align: center;
}

.problem-solution__desc {
  background: #f7f6f2;
  border-radius: 8px;
  padding: 24px 20px;
  font-size: 18px;
  color: #555;
  line-height: 1.9;
  text-align: center;
}

.problem-solution__desc strong {
  color: #333;
  font-weight: bold;
}

.problem-solution__link {
  text-align: center;
  margin-top: 20px;
}

.problem-solution__link-btn {
  color: #0b5da2;
  font-size: 16px;
  text-decoration: underline;
  transition: color 0.2s ease;
}

.problem-solution__link-btn:hover {
  text-decoration: none;
  color: #094a84;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Hero Image
   ============================================================ */
.hero-image {
  width: 100%;
  line-height: 0;
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================================
   Brand Statement Section (with locations)
   ============================================================ */
.brand-statement {
  background: #f7f6f2;
  padding: 52px 20px 40px;
  text-align: center;
}

.brand-statement__inner {
  max-width: 640px;
  margin: 0 auto;
}

.brand-statement__catchcopy {
  font-size: 26px;
  font-weight: bold;
  color: #333;
  line-height: 1.5;
  margin-bottom: 20px;
  text-align: center;
}

.brand-statement__divider {
  width: 40px;
  height: 2px;
  background: #0b5da2;
  margin: 0 auto 20px;
}

.brand-statement__body {
  font-size: 18px;
  color: #555;
  line-height: 2.0;
  text-align: center;
}

.brand-statement__body .accent {
  color: #0b5da2;
  font-weight: bold;
}

.brand-statement__years {
  display: block;
  margin-top: 24px;
  font-size: 18px;
  color: #333;
  font-weight: bold;
  letter-spacing: 0.05em;
  text-align: center;
}

.brand-statement__years .number {
  font-size: 42px;
  color: #0b5da2;
  font-weight: bold;
  line-height: 1.3;
}

.brand-statement__years .unit {
  font-size: 22px;
  color: #0b5da2;
}

/* ── 拠点（ブランドステートメント内） ── */
.brand-statement__locations {
  max-width: 640px;
  margin: 32px auto 0;
  padding-top: 28px;
  border-top: 1px dotted #ddd;
  text-align: center;
}

.brand-statement__locations-lead {
  font-size: 14px;
  color: #777;
  line-height: 1.8;
  margin-bottom: 16px;
  text-align: center;
}

.brand-statement__locations-list {
  display: flex;
  justify-content: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.brand-statement__locations-item {
  text-align: center;
}

.brand-statement__locations-name {
  font-size: 18px;
  font-weight: bold;
  color: #333;
  line-height: 1.6;
}

.brand-statement__locations-station {
  font-size: 14px;
  color: #555;
  margin-top: 4px;
  line-height: 1.8;
}

.brand-statement__locations-station span {
  color: #0b5da2;
  font-weight: bold;
}

.brand-statement__locations-item + .brand-statement__locations-item {
  position: relative;
  padding-left: 32px;
}

.brand-statement__locations-item + .brand-statement__locations-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 40px;
  background: #ddd;
}


/* ===== SP ===== */
@media (max-width: 767px) {
  .problem-section { padding: 40px 16px 36px; }
  .problem-section__label { font-size: 13px; }
  .problem-arrow { padding: 20px 0; }
  .problem-section__title { font-size: 22px; }
  .problem-section__title br { display: none; }
  .problem-section__heading { margin-bottom: 32px; }
  .problem-awareness { padding: 24px 16px; }
  .problem-awareness__lead { font-size: 16px; margin-bottom: 24px; }
  .problem-risk__heading { font-size: 16px; padding: 16px 16px 12px; }
  .problem-risk__list li { font-size: 16px; padding: 12px 16px 12px 48px; }
  .problem-risk__dot { left: 20px; }
  .problem-risk__badge { left: 12px; }
  .problem-solution__header { padding: 24px 16px; }
  .problem-solution__header-title { font-size: 20px; }
  .problem-solution__catchcopy { font-size: 18px; }
  .problem-solution__subcopy { font-size: 16px; }
  .problem-solution__desc { padding: 20px 16px; font-size: 16px; }

  .brand-statement { padding: 28px 16px 24px; }
  .brand-statement__catchcopy { font-size: 20px; margin-bottom: 12px; }
  .brand-statement__divider { margin-bottom: 12px; }
  .brand-statement__body { font-size: 14px; line-height: 1.9; }
  .brand-statement__years { font-size: 14px; margin-top: 12px; }
  .brand-statement__years .number { font-size: 32px; }
  .brand-statement__years .unit { font-size: 18px; }
  .brand-statement__locations { margin-top: 20px; padding-top: 20px; }
  .brand-statement__locations-lead { font-size: 12px; margin-bottom: 10px; }
  .brand-statement__locations-list { gap: 16px; }
  .brand-statement__locations-name { font-size: 13px; }
  .brand-statement__locations-item + .brand-statement__locations-item { padding-left: 32px; }
  .brand-statement__locations-item + .brand-statement__locations-item::before { height: 20px; }
}

@media (max-width: 420px) {
  .problem-awareness { padding: 20px 14px; }
  .problem-risk__list li { padding-left: 44px; }
  .problem-risk__dot { left: 18px; }
  .problem-risk__badge { left: 10px; }
  .problem-solution__header { padding: 20px 14px; }
  .problem-solution__desc { padding: 18px 14px; }
}