/* ==========================================================================
   Presso Dental Site — Common Stylesheet
   Tone: 藍色×水色×ホワイト（差し色バージョン）
         清潔感・信頼感のあるコーポレートトーン
   ========================================================================== */

:root {
  --green-900: #14213A;
  --green-800: #1A2F52;
  --green-700: #223A6B;
  --green-600: #3D6EA5;
  --green-500: #8FC1D9;
  --green-100: #DCEEF5;
  --green-50: #F3FAFC;
  --ink-900: #1B2430;
  --ink-700: #45505E;
  --ink-500: #707B88;
  --ink-300: #A3ACB5;
  --line: #DCE4EA;
  --line-strong: #C1CDD6;
  --white: #FFFFFF;
  --danger: #B23B3B;
  --font-jp: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --container: 1180px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --shadow-sm: 0 1px 2px rgba(18, 51, 36, 0.06);
  --shadow-md: 0 6px 20px rgba(18, 51, 36, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-jp);
  color: var(--ink-700);
  background: var(--white);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Utility ---------- */
.u-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--green-700);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.u-only-mobile { display: none; }
.u-only-desktop { display: block; }
@media (max-width: 860px) {
  .u-only-mobile { display: block; }
  .u-only-desktop { display: none; }
}

/* ---------- Placeholder（画像仮置き） ---------- */
.img-ph {
  position: relative;
  width: 100%;
  aspect-ratio: var(--ratio, 4/3);
  background:
    repeating-linear-gradient(135deg, var(--green-50), var(--green-50) 10px, #EEF6F1 10px, #EEF6F1 20px);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.img-ph__label {
  font-size: 12.5px;
  color: var(--ink-500);
  text-align: center;
  line-height: 1.6;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.82);
  border-radius: var(--radius-sm);
}
.img-ph__label::before {
  content: "";
  display: block;
  width: 22px;
  height: 22px;
  margin: 0 auto 6px;
  background: var(--ink-300);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M4 5h3l1.5-2h7L17 5h3a2 2 0 0 1 2 2v11a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V7a2 2 0 0 1 2-2zm8 3.5a4.5 4.5 0 1 0 0 9 4.5 4.5 0 0 0 0-9z'/></svg>") center / contain no-repeat;
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M4 5h3l1.5-2h7L17 5h3a2 2 0 0 1 2 2v11a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V7a2 2 0 0 1 2-2zm8 3.5a4.5 4.5 0 1 0 0 9 4.5 4.5 0 0 0 0-9z'/></svg>") center / contain no-repeat;
}
.img-ph--logo {
  aspect-ratio: auto;
  width: 172px;
  height: 40px;
  border-radius: var(--radius-sm);
}
.img-ph--logo .img-ph__label { font-size: 10.5px; padding: 4px 8px; }
.img-ph--logo .img-ph__label::before { display: none; }

.header-logo { display: flex; align-items: center; }
.header-logo img { width: auto; height: 52px; display: block; }
.footer-brand__logo img { width: 40px; height: 40px; display: block; }
@media (max-width: 860px) {
  .header-logo img { height: 40px; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  border: 1.5px solid transparent;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.12s ease;
  white-space: nowrap;
}
.btn--primary { background: var(--green-700); color: var(--white); }
.btn--primary:hover { background: var(--green-800); }
.btn--outline { background: transparent; color: var(--green-700); border-color: var(--green-700); }
.btn--outline:hover { background: var(--green-50); }
.btn--white { background: var(--white); color: var(--green-800); }
.btn--white:hover { background: var(--green-50); }
.btn--sm { padding: 10px 20px; font-size: 13.5px; }
.btn--block { width: 100%; }
.btn:active { transform: translateY(1px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.header-left { display: flex; align-items: center; gap: 14px; }
.gnav__list {
  display: flex;
  gap: 30px;
  align-items: center;
}
.gnav__list a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-700);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.gnav__list a:hover { color: var(--green-700); border-color: var(--green-500); }
.gnav__label {
  display: inline-block;
  font-family: inherit;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-700);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 6px 2px;
  cursor: default;
}
.has-dropdown:hover .gnav__label,
.has-dropdown:focus-within .gnav__label { color: var(--green-700); border-color: var(--green-500); }
.header-right { display: flex; align-items: center; gap: 20px; }

/* ---------- Nav dropdown (医療機器 hover flyout) ---------- */
.gnav__list li.has-dropdown { position: relative; }
.gnav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 190px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  padding: 8px 0;
  margin-top: 4px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
  z-index: 10;
}
.gnav__list li.has-dropdown:hover .gnav__dropdown,
.gnav__list li.has-dropdown:focus-within .gnav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.gnav__dropdown a {
  display: block;
  padding: 11px 18px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-700);
  border-bottom: none;
}
.gnav__dropdown a:hover { background: var(--green-50); color: var(--green-700); }

/* ---------- モバイル常時表示ナビ（横スクロール） ---------- */
.mobile-nav-strip { display: none; position: relative; border-top: 1px solid var(--line); background: var(--white); }
.mobile-nav-strip ul { display: flex; overflow-x: auto; -webkit-overflow-scrolling: touch; padding: 0 16px; }
.mobile-nav-strip ul::-webkit-scrollbar { display: none; }
.mobile-nav-strip li { flex: none; }
.mobile-nav-strip a {
  display: block;
  padding: 13px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-700);
  white-space: nowrap;
}
.mobile-nav-strip__toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: inherit;
  padding: 13px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-700);
  background: none;
  border: none;
  white-space: nowrap;
}
.mobile-nav-strip__caret {
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.15s ease;
  margin-top: -2px;
}
.mobile-nav-strip.is-open .mobile-nav-strip__caret { transform: rotate(-135deg); margin-top: 2px; }
.mobile-nav-strip.is-open .mobile-nav-strip__toggle { color: var(--green-700); }
.mobile-nav-strip__dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  padding: 6px 16px 10px;
}
.mobile-nav-strip.is-open .mobile-nav-strip__dropdown { display: block; }
.mobile-nav-strip__dropdown a {
  padding: 10px 4px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-700);
  border-bottom: 1px solid var(--line);
}
.mobile-nav-strip__dropdown a:last-child { border-bottom: none; }

@media (max-width: 860px) {
  .header-inner { height: 64px; }
  .gnav { display: none; }
  .mobile-nav-strip { display: block; }
  .header-right .btn { padding: 9px 16px; font-size: 12.5px; }
}

/* ---------- Hero ---------- */
.hero { padding: 0; }
.hero__visual { width: 100%; }
.hero__visual picture,
.hero__visual img { width: 100%; height: auto; display: block; }

/* ---------- Announce bar (NEWS ticker under FV) ---------- */
.announce-bar { background: var(--green-50); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.announce-bar__inner { display: flex; align-items: center; gap: 20px; padding: 16px 24px; }
.announce-bar__label {
  flex: none;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--white);
  background: var(--green-700);
  padding: 5px 12px;
  border-radius: 3px;
}
.announce-bar__ticker { flex: 1; min-width: 0; display: flex; align-items: center; gap: 18px; }
.announce-bar__list { position: relative; flex: 1; min-width: 0; overflow: hidden; }
.announce-bar__item {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: baseline;
  gap: 12px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease;
}
.announce-bar__item.is-active { position: relative; opacity: 1; visibility: visible; }
.announce-bar__date { font-size: 12.5px; color: var(--ink-500); flex: none; }
.announce-bar__text { font-size: 13.5px; color: var(--ink-700); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.announce-bar__dots { flex: none; display: flex; gap: 6px; }
.announce-bar__dots span { width: 5px; height: 5px; border-radius: 50%; background: var(--line-strong); transition: background 0.3s ease; }
.announce-bar__dots span.is-active { background: var(--green-700); }
@media (max-width: 700px) {
  .announce-bar__inner { padding: 14px 24px; gap: 14px; }
  .announce-bar__dots { display: none; }
}

/* ---------- Section common ---------- */
.section { padding: 88px 0; border-top: 1px solid var(--line); }
.section--tint { background: var(--green-50); border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); }
.section--top-sm { padding-top: 40px; }
.section__head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.section__title { font-size: 27px; color: var(--ink-900); font-weight: 700; letter-spacing: 0.02em; }
.section__lead { margin-top: 14px; font-size: 14.5px; color: var(--ink-500); line-height: 1.9; }
.section__foot { margin-top: 44px; text-align: center; }
@media (max-width: 860px) {
  .section { padding: 60px 0; }
  .section--top-sm { padding-top: 32px; }
}

/* ---------- Main product (feature layout / 案A) ---------- */
.feature-product {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: start;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 44px;
  box-shadow: var(--shadow-sm);
}
.feature-product__gallery > img { width: 100%; height: auto; display: block; }
.feature-product__thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 10px; }
.feature-product__thumbs img { width: 100%; height: auto; display: block; }
.feature-product__label { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.feature-product__maker { font-size: 12.5px; color: var(--ink-500); border: 1px solid var(--line-strong); padding: 3px 10px; border-radius: 999px; }
.feature-product__name { font-size: 26px; font-weight: 700; color: var(--ink-900); margin-bottom: 10px; }
.feature-product__copy { font-size: 14.5px; color: var(--ink-500); margin-bottom: 24px; }
.feature-product__points { display: flex; flex-direction: column; gap: 14px; margin-bottom: 30px; }
.feature-product__points li {
  display: flex;
  gap: 12px;
  font-size: 14.5px;
  color: var(--ink-700);
  align-items: flex-start;
}
.feature-product__points li::before {
  content: "";
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--green-700);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2l-3.5-3.5 1.4-1.4L9 13.4l7.1-7.1 1.4 1.4z'/></svg>") center/12px no-repeat;
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2l-3.5-3.5 1.4-1.4L9 13.4l7.1-7.1 1.4 1.4z'/></svg>") center/12px no-repeat;
}
.feature-product__detail-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--green-700);
  margin-bottom: 24px;
  border-bottom: 1px solid var(--green-700);
  padding-bottom: 2px;
}
.feature-product__detail-link:hover { color: var(--green-800); border-color: var(--green-800); }
.feature-product__badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
.feature-product__actions { display: flex; flex-direction: column; gap: 12px; max-width: 360px; }
@media (max-width: 860px) {
  .feature-product { grid-template-columns: 1fr; padding: 26px; gap: 28px; }
}

.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--green-800);
  background: var(--green-100);
  border-radius: 999px;
  padding: 6px 14px;
}

/* ---------- Consumables ---------- */
.consumable-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.consumable-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--white);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  display: flex;
  flex-direction: column;
}
.consumable-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.consumable-card > img { width: 100%; height: auto; display: block; }
.consumable-card__body { padding: 20px 20px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.consumable-card__meta { display: flex; gap: 8px; font-size: 11.5px; color: var(--green-700); font-weight: 700; }
.consumable-card__meta span { background: var(--green-50); padding: 3px 9px; border-radius: 4px; }
.consumable-card__name { font-size: 16.5px; font-weight: 700; color: var(--ink-900); margin: 4px 0 2px; }
.consumable-card__desc { font-size: 13.5px; color: var(--ink-500); flex: 1; }
.consumable-card__foot { margin-top: 12px; }

/* column (LELA記事) */
.column-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.column-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--white);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.column-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.column-card__body { padding: 18px 20px 22px; }
.column-card__date { font-size: 12px; color: var(--ink-500); margin-bottom: 6px; }
.column-card__title { font-size: 15.5px; font-weight: 700; color: var(--ink-900); line-height: 1.6; }

/* seminar cards：横スクロール形式（カードが2枚までは並んで収まり、3枚以上になると右へスクロール） */
.seminar-grid {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 6px;
}
.seminar-grid::-webkit-scrollbar { height: 6px; }
.seminar-grid::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 3px; }
.seminar-card {
  flex: 0 0 540px;
  max-width: calc(50% - 12px);
  scroll-snap-align: start;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 26px;
  background: var(--white);
}
.seminar-card__date { font-size: 13px; color: var(--green-700); font-weight: 700; margin-bottom: 10px; }
.seminar-card__title { font-size: 16.5px; font-weight: 700; color: var(--ink-900); margin-bottom: 10px; }
.seminar-card__desc { font-size: 13.5px; color: var(--ink-500); margin-bottom: 18px; }

/* seminar cards（画像バナー版） */
.seminar-card--image { padding: 0; overflow: hidden; transition: box-shadow 0.2s ease, transform 0.2s ease; }
.seminar-card--image:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.seminar-card--image a { display: block; }
.seminar-card--image img { width: 100%; height: auto; display: block; }
@media (max-width: 860px) {
  .seminar-card { flex-basis: 86vw; max-width: 86vw; }
}

/* ---------- Philosophy ---------- */
.philosophy { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: center; }
.philosophy__quote {
  font-size: 22px;
  line-height: 1.9;
  color: var(--ink-900);
  font-weight: 700;
  border-left: 4px solid var(--green-700);
  padding-left: 24px;
  margin-bottom: 20px;
}
.philosophy__body { font-size: 14.5px; color: var(--ink-500); line-height: 2; }
@media (max-width: 860px) {
  .philosophy { grid-template-columns: 1fr; gap: 30px; }
}

/* ---------- Company table ---------- */
.company-table { border-top: 1px solid var(--line); }
.company-table tr { border-bottom: 1px solid var(--line); }
.company-table th, .company-table td {
  text-align: left;
  padding: 18px 16px;
  font-size: 14.5px;
  vertical-align: top;
}
.company-table th {
  width: 220px;
  color: var(--ink-500);
  font-weight: 500;
  background: var(--green-50);
}
.company-table td { color: var(--ink-900); }
.company-table .to-fill { color: var(--danger); font-size: 12.5px; }
@media (max-width: 700px) {
  .company-table, .company-table tbody, .company-table tr, .company-table th, .company-table td { display: block; width: 100%; }
  .company-table th { padding-bottom: 4px; }
  .company-table tr { padding: 14px 0; }
}

/* ---------- Contact form ---------- */
.contact-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 48px;
  max-width: 760px;
  margin: 0 auto;
  box-shadow: var(--shadow-sm);
}
.form-row { margin-bottom: 24px; }
.form-row--split { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-label { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 700; color: var(--ink-900); margin-bottom: 8px; }
.form-required { font-size: 10.5px; font-weight: 700; color: var(--white); background: var(--danger); padding: 2px 7px; border-radius: 3px; }
.form-optional { font-size: 10.5px; font-weight: 700; color: var(--ink-500); background: var(--green-50); padding: 2px 7px; border-radius: 3px; }
.form-control {
  width: 100%;
  padding: 13px 14px;
  font-size: 14.5px;
  font-family: inherit;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink-900);
}
.form-control:focus { outline: none; border-color: var(--green-600); box-shadow: 0 0 0 3px var(--green-100); }
textarea.form-control { resize: vertical; min-height: 130px; }
.form-note { font-size: 12px; color: var(--ink-500); margin-top: 10px; }
.form-error { font-size: 12.5px; color: var(--danger); margin-top: 6px; display: none; }
.form-row.has-error .form-control { border-color: var(--danger); }
.form-row.has-error .form-error { display: block; }
.form-submit { text-align: center; margin-top: 8px; }
.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
  border: 1px solid var(--green-100);
  background: var(--green-50);
  border-radius: 10px;
}
.form-success.is-visible { display: block; }
.form-success h3 { font-size: 18px; color: var(--green-800); margin-bottom: 10px; }
.form-success p { font-size: 13.5px; color: var(--ink-500); }
@media (max-width: 700px) {
  .contact-panel { padding: 28px 20px; }
  .form-row--split { grid-template-columns: 1fr; gap: 0; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--green-900); color: rgba(255,255,255,0.82); padding: 64px 0 28px; }
.footer-top { display: grid; grid-template-columns: 1.2fr 2fr; gap: 48px; margin-bottom: 44px; }
.footer-brand__name { color: var(--white); font-size: 18px; font-weight: 700; margin-top: 16px; }
.footer-brand__desc { font-size: 13px; margin-top: 12px; line-height: 1.9; color: rgba(255,255,255,0.6); }
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-nav__title { font-size: 12.5px; letter-spacing: 0.08em; color: rgba(255,255,255,0.5); margin-bottom: 16px; }
.footer-nav__list li { margin-bottom: 12px; font-size: 13.5px; }
.footer-nav__list a:hover { color: var(--white); text-decoration: underline; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.14); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: rgba(255,255,255,0.5); flex-wrap: wrap; gap: 12px; }
@media (max-width: 860px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Breadcrumb (product page) ---------- */
.breadcrumb { font-size: 12.5px; color: var(--ink-500); padding: 20px 0; }
.breadcrumb a:hover { color: var(--green-700); }
.breadcrumb span { margin: 0 6px; color: var(--ink-300); }

/* ---------- Product detail page ---------- */
.pd-hero { background: var(--green-50); padding: 40px 0 64px; }
.pd-hero__inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.pd-hero__eyebrow { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; }
.pd-hero__title { font-size: 32px; font-weight: 700; color: var(--ink-900); margin-bottom: 16px; }
.pd-hero__lead { font-size: 15px; color: var(--ink-500); margin-bottom: 26px; line-height: 1.9; }
.pd-hero__badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 26px; }
.pd-hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.pd-gallery__main { margin-bottom: 12px; }
.pd-gallery__thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
@media (max-width: 860px) {
  .pd-hero__inner { grid-template-columns: 1fr; }
}

.pd-video { max-width: 860px; margin: 0 auto; }

.pd-intro { max-width: 780px; margin: 0 auto; text-align: center; }
.pd-intro__title { font-size: 25px; font-weight: 700; color: var(--ink-900); margin-bottom: 20px; }
.pd-intro__text { font-size: 15px; color: var(--ink-500); line-height: 2; }

.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; margin-bottom: 84px; }
.feature-row:last-child { margin-bottom: 0; }
.feature-row--rev .feature-row__media { order: 2; }
.feature-row__num { font-size: 13px; font-weight: 700; color: var(--green-600); letter-spacing: 0.08em; margin-bottom: 10px; }
.feature-row__title { font-size: 21px; font-weight: 700; color: var(--ink-900); margin-bottom: 14px; }
.feature-row__text { font-size: 14.5px; color: var(--ink-500); line-height: 1.95; }
@media (max-width: 860px) {
  .feature-row, .feature-row--rev .feature-row__media { grid-template-columns: 1fr; order: 0; }
  .feature-row { grid-template-columns: 1fr; gap: 20px; margin-bottom: 52px; }
}

.material-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 18px; }
.material-card { text-align: center; border: 1px solid var(--line); border-radius: 10px; padding: 18px 12px 20px; background: var(--white); }
.material-card__img { margin-bottom: 12px; --ratio: 1/1; }
.material-card__en { font-size: 12px; letter-spacing: 0.08em; color: var(--green-700); font-weight: 700; }
.material-card__jp { font-size: 13px; color: var(--ink-500); margin-top: 4px; }

.spec-table th, .spec-table td { border: 1px solid var(--line); padding: 14px 18px; font-size: 14px; text-align: left; }
.spec-table th { width: 200px; background: var(--green-50); color: var(--ink-700); font-weight: 500; }
.spec-table td { color: var(--ink-900); }
@media (max-width: 700px) {
  .spec-table, .spec-table tbody, .spec-table tr, .spec-table th, .spec-table td { display: block; width: 100%; }
  .spec-table th { border-bottom: none; }
  .spec-table td { border-top: none; margin-bottom: 8px; }
}

.regulatory-box {
  background: var(--green-50);
  border: 1px solid var(--green-100);
  border-radius: 10px;
  padding: 28px 32px;
  font-size: 13.5px;
  color: var(--ink-700);
  line-height: 2;
}
.regulatory-box dt { font-weight: 700; color: var(--ink-900); display: inline-block; min-width: 130px; }

.download-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px 28px;
  max-width: 640px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.download-card__title { font-size: 15px; font-weight: 700; color: var(--ink-900); }
.download-card__desc { font-size: 12.5px; color: var(--ink-500); margin-top: 4px; }

.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }

.cta-band {
  background: var(--green-800);
  color: var(--white);
  border-radius: 12px;
  padding: 56px 48px;
  text-align: center;
}
.cta-band__title { font-size: 23px; font-weight: 700; margin-bottom: 12px; }
.cta-band__desc { font-size: 14px; color: rgba(255,255,255,0.75); margin-bottom: 28px; }
.cta-band__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* fade-in on scroll */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }