/* ============================================================
   page-strength.css — 選ばれる理由ページ専用
   ============================================================ */

/* ── Hero ─────────────────────────────────────────── */
.str-hero {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  min-height: 640px;
  padding: 80px 40px;
}
.str-hero__photo {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 62%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.str-hero__card {
  position: relative;
  z-index: 1;
  max-width: 600px;
  background: rgba(234, 243, 251, .88);
  padding: 56px 56px 48px;
  border-radius: 4px;
  margin-left: auto;
  margin-right: 0;
  /* center container then shift card to left */
  margin-left: max(0px, calc((100vw - 1320px) / 2));
}
.str-hero__en-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 12px;
}
.str-hero__en {
  font-family: Outfit, sans-serif;
  font-weight: 700;
  font-size: 32px;
  color: var(--navy);
  line-height: 1;
  letter-spacing: .02em;
}
.str-hero__en-rule {
  display: inline-block;
  width: 80px;
  height: 2px;
  background: var(--navy);
}
.str-hero__ja {
  font-weight: 700;
  font-size: 15px;
  color: var(--navy);
  letter-spacing: .12em;
  margin: 0 0 24px;
}
.str-hero__h {
  font-weight: 800;
  font-size: 36px;
  color: var(--navy);
  line-height: 1.5;
  margin: 0 0 24px;
  letter-spacing: .02em;
}
.str-hero__h-strong {
  display: inline-block;
  position: relative;
  background: linear-gradient(transparent 65%, var(--yellow) 65%);
  padding: 0 4px;
}
.str-hero__lede {
  font-size: 14.5px;
  line-height: 2;
  color: #222;
  margin: 0 0 28px;
}
.str-hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--yellow);
  color: var(--navy);
  font-weight: 700;
  font-size: 16px;
  padding: 18px 36px;
  text-decoration: none;
  border-radius: 6px;
  transition: transform .25s ease, filter .25s ease;
}
.str-hero__cta:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

/* ── Lead block (About Voyager intro) ─────────────── */
.str-lead {
  background: #fff;
  padding: 88px 40px 96px;
}
.str-lead__inner {
  max-width: 1280px;
  margin: 0 auto;
}
.str-lead__icon-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 22px;
}
.str-lead__icon-rule {
  display: inline-block;
  width: 56px;
  height: 2px;
  background: var(--navy);
}
.str-lead__icon-en {
  font-family: Outfit, sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: var(--navy);
  letter-spacing: .12em;
}
.str-lead__h {
  font-weight: 800;
  font-size: 38px;
  color: var(--navy);
  line-height: 1.55;
  margin: 0 0 32px;
  letter-spacing: .02em;
}
.str-lead__h .hl {
  display: inline-block;
  background: linear-gradient(transparent 65%, var(--yellow) 65%);
  padding: 0 4px;
}
.str-lead__body {
  font-size: 15px;
  line-height: 2.1;
  color: #333;
  margin: 0;
}
.str-lead__body strong {
  color: var(--navy);
  font-weight: 700;
  background: linear-gradient(transparent 70%, rgba(255, 204, 0, .35) 70%);
}

/* ── 4 Core Strengths grid ───────────────────────── */
.str-grid-section {
  background: var(--paper);
  padding: 88px 40px 104px;
}
.str-grid-section__inner {
  max-width: 1280px;
  margin: 0 auto;
}
.str-grid-section__head {
  text-align: center;
  margin: 0 0 48px;
}
.str-grid-section__en {
  font-family: Outfit, sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--navy);
  letter-spacing: .12em;
  margin: 0 0 12px;
}
.str-grid-section__h {
  font-weight: 800;
  font-size: 34px;
  color: var(--navy);
  margin: 0 0 16px;
  letter-spacing: .04em;
}
.str-grid-section__lede {
  font-size: 15px;
  line-height: 2;
  color: #333;
  margin: 0;
}

.str-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.str-card {
  scroll-margin-top: 260px;
  background: #fff;
  border-radius: 8px;
  padding: 36px 32px 32px;
  box-shadow: 0 6px 24px rgba(37, 66, 107, .08);
  display: flex;
  flex-direction: column;
}
.str-card__num {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 0 18px;
}
.str-card__num-en {
  font-family: Outfit, sans-serif;
  font-weight: 700;
  font-size: 36px;
  color: var(--yellow);
  line-height: 1;
  letter-spacing: -.01em;
}
.str-card__num-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(to right, var(--navy), transparent);
}
.str-card__title {
  font-weight: 800;
  font-size: 22px;
  color: var(--navy);
  margin: 0 0 14px;
  letter-spacing: .02em;
  line-height: 1.4;
}
.str-card__desc {
  font-size: 14px;
  line-height: 1.95;
  color: #333;
  margin: 0 0 18px;
}
.str-card__list {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid #d6e3f1;
}
.str-card__list li {
  position: relative;
  padding: 6px 0 6px 24px;
  font-size: 13.5px;
  line-height: 1.7;
  color: #4d4d4d;
}
.str-card__list li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 14px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--yellow);
  border-radius: 2px;
}
.str-card__list li::after {
  content: '';
  position: absolute;
  left: 7px;
  top: 16px;
  width: 6px;
  height: 3px;
  border-left: 2px solid var(--navy);
  border-bottom: 2px solid var(--navy);
  transform: rotate(-45deg);
}

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 1023px) {
  .str-hero {
    padding: 56px 32px;
    min-height: auto;
  }
  .str-hero__photo {
    position: relative;
    width: 100%;
    height: 280px;
    margin-bottom: 24px;
  }
  .str-hero__card {
    max-width: 100%;
    margin-left: 0;
    padding: 36px 32px;
  }
  .str-hero__en { font-size: 26px; }
  .str-hero__h { font-size: 28px; }
  .str-lead { padding: 64px 32px 72px; }
  .str-lead__h { font-size: 28px; }
  .str-lead__body { font-size: 14.5px; line-height: 2; }
  .str-grid-section { padding: 64px 32px 80px; }
  .str-grid-section__h { font-size: 28px; }
  .str-grid { grid-template-columns: 1fr; gap: 18px; }
  .str-card { padding: 28px 26px; }
  .str-card__num-en { font-size: 30px; }
  .str-card__title { font-size: 20px; }
}
@media (max-width: 767px) {
  .str-card { scroll-margin-top: 104px; }
  .str-hero { padding: 40px 20px; }
  .str-hero__photo { height: 220px; }
  .str-hero__card { padding: 28px 24px; }
  .str-hero__en { font-size: 22px; }
  .str-hero__en-rule { width: 48px; }
  .str-hero__h { font-size: 22px; line-height: 1.6; }
  .str-hero__lede { font-size: 13.5px; line-height: 1.9; }
  .str-hero__cta { font-size: 14px; padding: 14px 24px; }
  .str-lead { padding: 48px 20px 56px; }
  .str-lead__h { font-size: 22px; line-height: 1.55; }
  .str-lead__body { font-size: 13.5px; line-height: 1.95; }
  .str-grid-section { padding: 48px 20px 64px; }
  .str-grid-section__h { font-size: 24px; }
  .str-grid-section__lede { font-size: 14px; }
  .str-grid { gap: 14px; }
  .str-card { padding: 24px 22px; }
  .str-card__title { font-size: 18px; }
  .str-card__desc { font-size: 13.5px; }
  .str-card__list li { font-size: 13px; padding-left: 22px; }
}

/* ============================================================
   追加セクション（悩み / BA / AI / 比較表 / FAQ）
   共通スコープ変数 --st-* を使用
   ============================================================ */
.str-pain,
.str-ai-section,
.str-compare,
.str-faq {
  --st-teal:       #1D9E75;
  --st-teal-bg:    #E1F5EE;
  --st-teal-text:  #0F6E56;
  --st-purple-bg:  #EEF2FF;
  --st-purple-text:#3730A3;
  --st-blue-bg:    #E6F1FB;
  --st-blue-text:  #185FA5;
  --st-red-bg:     #FCEBEB;
  --st-red-text:   #A32D2D;
  --st-text-1:     #1a1a1a;
  --st-text-2:     #555;
  --st-text-3:     #999;
  --st-bg-2:       #f5f5f3;
  --st-border:     rgba(0,0,0,.10);
  --st-border-mid: rgba(0,0,0,.18);
  --st-r-md:       8px;
  --st-r-lg:       12px;
}

/* ── 悩みセクション ──────────────────────────────────── */
.str-pain {
  background: #fff;
  padding: 80px 40px;
}
.str-pain__inner {
  max-width: 1280px;
  margin: 0 auto;
}
.str-pain__ey {
  font-family: Outfit, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--st-text-3);
  margin: 0 0 12px;
}
.str-pain__h {
  font-size: 26px;
  font-weight: 700;
  color: var(--st-text-1);
  line-height: 1.4;
  margin: 0 0 10px;
}
.str-pain__lead {
  font-size: 14px;
  color: var(--st-text-2);
  line-height: 1.9;
  margin: 0 0 28px;
  max-width: 520px;
}
.str-pain__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 0 0 20px;
}
.str-pain__card {
  background: #fff;
  border: 0.5px solid var(--st-border);
  border-radius: var(--st-r-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.str-pain__icon { font-size: 26px; color: var(--st-red-text); }
.str-pain__q    { font-size: 16px; font-weight: 700; color: var(--st-text-1); line-height: 1.5; }
.str-pain__b    { font-size: 14px; color: var(--st-text-2); line-height: 1.8; }
.str-pain__bridge {
  background: var(--st-bg-2);
  border-radius: var(--st-r-lg);
  padding: 22px 26px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.str-pain__bridge-icon { font-size: 22px; color: var(--st-teal); flex-shrink: 0; margin-top: 2px; }
.str-pain__bridge-t    { font-size: 14px; font-weight: 700; color: var(--st-text-1); line-height: 1.8; }
.str-pain__bridge-s    { font-size: 12px; color: var(--st-text-2); line-height: 1.7; margin-top: 6px; }

/* ── Before/After & AI badge（str-card 内追加） ─────── */
.str-card__ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 99px;
  background: #EEF2FF;
  color: #3730A3;
  margin-bottom: 14px;
  align-self: flex-start;
}
.str-card__ba {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid #d6e3f1;
  margin-top: 16px;
}
.str-card__ba-col { padding: 14px 16px; }
.str-card__ba-col.bef { border-right: 0.5px solid #d6e3f1; }
.str-ba-tag {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 99px;
  display: inline-block;
  margin-bottom: 8px;
}
.str-ba-tag.bef { background: #FCEBEB; color: #A32D2D; }
.str-ba-tag.aft { background: #E1F5EE; color: #0F6E56; }
.str-ba-items { display: flex; flex-direction: column; gap: 5px; }
.str-ba-item {
  font-size: 12px;
  color: var(--st-text-2, #555);
  line-height: 1.55;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}
.str-ba-item i { font-size: 13px; flex-shrink: 0; margin-top: 1px; }
.str-ba-item.bef i { color: #E24B4A; }
.str-ba-item.aft i { color: #1D9E75; }

/* ── AI Integration section ──────────────────────────── */
.str-ai-section {
  background: var(--st-bg-2, #f5f5f3);
  padding: 80px 40px;
}
.str-ai-section__inner {
  max-width: 1280px;
  margin: 0 auto;
}
.str-ai__hero {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #1e3a5f 100%);
  border-radius: var(--st-r-lg);
  padding: 36px 32px;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}
.str-ai__hero::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: rgba(99,102,241,.15);
}
.str-ai__hero::after {
  content: '';
  position: absolute;
  bottom: -30px; left: 20%;
  width: 150px; height: 150px;
  border-radius: 50%;
  background: rgba(59,130,246,.10);
}
.str-ai__ey {
  font-family: Outfit, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(165,180,252,.8);
  margin: 0 0 10px;
  position: relative;
  z-index: 1;
}
.str-ai__h {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin: 0 0 8px;
  position: relative;
  z-index: 1;
}
.str-ai__sub {
  font-size: 13px;
  color: rgba(199,210,254,.85);
  line-height: 1.8;
  max-width: 480px;
  position: relative;
  z-index: 1;
}
.str-ai__tools {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}
.str-ai__tool {
  background: #fff;
  border: 0.5px solid var(--st-border);
  border-radius: var(--st-r-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.str-ai__tool-icon { font-size: 20px; color: #6366F1; }
.str-ai__tool-name { font-size: 13px; font-weight: 700; color: var(--st-text-1); }
.str-ai__tool-desc { font-size: 12px; color: var(--st-text-2); line-height: 1.65; }
.str-ai__tool-tag {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 99px;
  background: #EEF2FF;
  color: #3730A3;
  align-self: flex-start;
  margin-top: 2px;
}

/* ── 比較表 ─────────────────────────────────────────── */
.str-compare {
  background: #fff;
  padding: 80px 40px;
}
.str-compare__inner {
  max-width: 1280px;
  margin: 0 auto;
}
.str-compare__ey {
  font-family: Outfit, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--st-text-3);
  margin: 0 0 12px;
}
.str-compare__h  { font-size: 26px; font-weight: 700; color: var(--st-text-1); line-height: 1.4; margin: 0 0 8px; }
.str-compare__lead { font-size: 14px; color: var(--st-text-2); line-height: 1.9; margin: 0 0 28px; max-width: 520px; }
.str-compare__wrap { overflow-x: auto; }
.str-compare__tbl { width: 100%; border-collapse: collapse; min-width: 520px; }
.str-compare__tbl th,
.str-compare__tbl td {
  padding: 12px 14px;
  font-size: 13px;
  vertical-align: middle;
  border-bottom: 0.5px solid var(--st-border);
}
.str-compare__tbl thead th {
  font-size: 11px;
  font-weight: 600;
  color: var(--st-text-3);
  letter-spacing: .06em;
  background: var(--st-bg-2);
  text-align: center;
  border-bottom: 1.5px solid var(--st-border-mid);
}
.str-compare__tbl thead th:first-child { text-align: left; }
.str-cm-th-vg { background: #E9F7F2 !important; color: #0F6E56 !important; font-size: 13px !important; font-weight: 700 !important; letter-spacing: 0 !important; }
.str-compare__tbl tbody tr:hover td { background: var(--st-bg-2); }
.str-cm-lbl  { font-size: 13px; color: var(--st-text-1); font-weight: 700; }
.str-cm-sub  { font-size: 11px; color: var(--st-text-3); margin-top: 2px; }
.str-cm-cc   { text-align: center; }
.str-cm-vg   { background: #F2FBF7; }
.str-cm-o    { color: #1D9E75; font-size: 18px; }
.str-cm-t    { color: #E8A010; font-size: 15px; }
.str-cm-x    { color: #C0392B; font-size: 18px; }
.str-cm-ct   { font-size: 11px; color: var(--st-text-2); text-align: center; line-height: 1.5; margin-top: 3px; }
.str-cm-ct.vg { color: #0F6E56; font-weight: 600; }
.str-compare__note {
  margin-top: 14px;
  font-size: 11px;
  color: var(--st-text-3);
  line-height: 1.7;
  padding: 12px 16px;
  background: var(--st-bg-2);
  border-radius: var(--st-r-md);
}

/* ── FAQ ─────────────────────────────────────────────── */
.str-faq {
  background: var(--st-bg-2, #f5f5f3);
  padding: 80px 40px;
}
.str-faq__inner {
  max-width: 1280px;
  margin: 0 auto;
}
.str-faq__ey  { font-family: Outfit, sans-serif; font-size: 11px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--st-text-3); margin: 0 0 12px; }
.str-faq__h   { font-size: 26px; font-weight: 700; color: var(--st-text-1); margin: 0 0 8px; }
.str-faq__lead { font-size: 14px; color: var(--st-text-2); line-height: 1.9; margin: 0 0 28px; max-width: 520px; }
.str-faq__list { display: flex; flex-direction: column; }
.str-faq__item { border-bottom: 0.5px solid var(--st-border); }
.str-faq__item:first-child { border-top: 0.5px solid var(--st-border); }
.str-faq__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 4px;
  cursor: pointer;
  user-select: none;
}
.str-faq__qm { font-size: 15px; font-weight: 700; color: #1D9E75; flex-shrink: 0; line-height: 1.5; margin-top: 1px; }
.str-faq__qt { font-size: 13px; font-weight: 700; color: var(--st-text-1); line-height: 1.6; flex: 1; }
.str-faq__qi { font-size: 15px; color: var(--st-text-3); flex-shrink: 0; margin-top: 3px; transition: transform .2s; }
.str-faq__item.open .str-faq__qi { transform: rotate(45deg); color: #1D9E75; }
.str-faq__a  { display: none; padding: 0 4px 20px 43px; }
.str-faq__item.open .str-faq__a { display: block; }
.str-faq__at { font-size: 13px; color: var(--st-text-2); line-height: 1.9; }
.str-faq__at strong { color: var(--st-text-1); font-weight: 700; }
.str-faq__badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 99px;
  background: #E1F5EE;
  color: #0F6E56;
  margin-top: 12px;
}
.str-faq__tag { display: inline-block; font-size: 10px; font-weight: 600; padding: 2px 8px; border-radius: 99px; margin-bottom: 10px; }
.str-faq__tag--free { background: #E1F5EE; color: #0F6E56; }
.str-faq__tag--sub  { background: #E6F1FB; color: #185FA5; }
.str-faq__tag--ai   { background: #EEF2FF; color: #3730A3; }
.str-faq__tbl { width: 100%; border-collapse: collapse; margin-top: 12px; }
.str-faq__tbl td {
  font-size: 12px;
  padding: 8px 10px;
  border: 0.5px solid var(--st-border);
  line-height: 1.6;
  vertical-align: top;
}
.str-faq__tbl td:first-child {
  font-weight: 700;
  color: var(--st-text-1);
  background: var(--st-bg-2);
  width: 120px;
  white-space: nowrap;
}
.str-faq__tbl td:last-child { color: var(--st-text-2); }

/* ── レスポンシブ（追加分） ──────────────────────────── */
@media (max-width: 1023px) {
  .str-pain { padding: 56px 32px; }
  .str-pain__grid { grid-template-columns: repeat(2, 1fr); }
  .str-ai-section { padding: 56px 32px; }
  .str-compare { padding: 56px 32px; }
  .str-faq { padding: 56px 32px; }
}
@media (max-width: 767px) {
  .str-pain { padding: 48px 20px; }
  .str-pain__h { font-size: 22px; }
  .str-pain__grid { grid-template-columns: 1fr; gap: 12px; }
  .str-pain__card { padding: 22px 20px; gap: 10px; }
  .str-pain__q { font-size: 15px; }
  .str-pain__b { font-size: 13px; }
  .str-ai-section { padding: 48px 20px; }
  .str-ai__hero { padding: 24px 20px; }
  .str-ai__h { font-size: 18px; }
  .str-compare { padding: 48px 20px; }
  .str-compare__h { font-size: 22px; }
  .str-faq { padding: 48px 20px; }
  .str-faq__h { font-size: 22px; }
  .str-card__ba { grid-template-columns: 1fr; }
  .str-card__ba-col.bef { border-right: none; border-bottom: 0.5px solid #d6e3f1; }
}

/* ===== インラインstyleからの移行（直書き廃止） ===== */
.str-card__ai-badge .ti { font-size: 12px; }
.str-compare__tbl thead th { width: 22%; }
.str-compare__tbl thead th:first-child { width: 34%; text-align: left; }