/* Insulation page */
.insulation-page {
  --ins-ink: #2e2a26;
  --ins-navy: #26364f;
  --ins-muted: #6e5f49;
  --ins-soft: #6b645c;
  --ins-body: #4a443d;
  --ins-line: #e4ded3;
  --ins-line-soft: #efeae1;
  --ins-cream: #f7f4ee;
  --ins-white: #fff;
  color: var(--ins-ink);
  font-family: "Noto Serif JP", serif;
  font-weight: 400;
  line-height: 1.9;
  padding-top: 0;
}

.insulation-page.-page {
  padding-top: 0;
}

.insulation-page a {
  color: var(--ins-navy);
  text-decoration: none;
}

.insulation-page a:hover {
  color: #0f1b2e;
  opacity: 1;
}

.insulation-page img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.insulation-page__inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 0 120px;
}

.ins-hero {
  position: relative;
  width: 100%;
  height: 760px;
  overflow: hidden;
  background: var(--ins-cream);
}

.ins-hero img {
  object-position: center 45%;
}

.ins-hero__wash {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 70%;
  height: 70%;
  background: radial-gradient(ellipse at 0% 100%, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0.7) 35%, rgba(255, 255, 255, 0) 72%);
  pointer-events: none;
}

.ins-hero__body {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 max(56px, calc((100% - 1160px) / 2 + 24px)) 60px;
  color: var(--ins-navy);
}

.ins-hero__label {
  font-family: Cormorant, serif;
  font-size: 13px;
  letter-spacing: 0.34em;
  color: var(--ins-navy);
  text-shadow: 0 0 14px rgba(255, 255, 255, 0.9);
}

.ins-hero__ttl {
  font-size: 46px;
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: 0.06em;
  margin: 20px 0 0;
  color: var(--ins-navy);
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.95), 0 0 6px rgba(255, 255, 255, 0.9);
}

.ins-hero__lead {
  font-size: 16px;
  font-weight: 500;
  line-height: 2.1;
  letter-spacing: 0.06em;
  margin: 12px 0 0;
  color: var(--ins-navy);
  text-shadow: 0 0 14px rgba(255, 255, 255, 0.95), 0 0 4px rgba(255, 255, 255, 0.9);
}

.ins-intro {
  padding-top: 92px;
  text-align: center;
}

.ins-intro__label,
.ins-sec__label,
.ins-product__en,
.ins-mat__en {
  font-family: Cormorant, serif;
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--ins-muted);
}

.ins-intro__ttl {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.95;
  letter-spacing: 0.04em;
  margin: 22px 0 0;
}

.ins-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--ins-line);
  margin-top: 52px;
  text-align: left;
}

.ins-stat {
  background: var(--ins-white);
  padding: 40px 28px;
}

.ins-stat.-navy {
  background: var(--ins-navy);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.ins-stat__cap {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ins-navy);
}

.ins-stat.-navy .ins-stat__cap {
  color: #c3cbd8;
}

.ins-stat__val,
.ins-stat__range,
.ins-stat__text {
  margin-top: 10px;
  color: var(--ins-navy);
}

.ins-stat__val {
  font-family: Cormorant, serif;
  font-size: 76px;
  line-height: 1;
}

.ins-stat__val span {
  font-family: "Noto Serif JP", serif;
  font-size: 16px;
  margin-left: 6px;
}

.ins-stat__range {
  font-family: Cormorant, serif;
  font-size: 56px;
  line-height: 1.36;
}

.ins-stat__text {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: #fff;
}

.ins-intro__txt {
  font-size: 16px;
  font-weight: 300;
  line-height: 2.3;
  letter-spacing: 0.04em;
  margin: 44px auto 0;
  max-width: 820px;
  text-align: left;
}

.ins-toc {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--ins-line);
  border: 1px solid var(--ins-line);
  margin-top: 48px;
}

.ins-toc__item,
.ins-mat__tab {
  background: var(--ins-white);
  display: block;
  color: inherit;
  transition: background 0.2s ease;
}

.ins-toc__item {
  padding: 22px 10px;
}

.ins-toc__item:hover,
.ins-mat__tab:hover {
  background: #fcfaf6;
  color: inherit;
}

.ins-toc__num {
  display: block;
  font-family: Cormorant, serif;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--ins-muted);
}

.ins-toc__label {
  display: block;
  font-size: 14px;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

.ins-sec,
.ins-product {
  padding-top: 110px;
  scroll-margin-top: 120px;
}

.ins-product {
  padding-top: 100px;
}

.ins-sec__ttl,
.ins-product__ttl {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 16px 0 0;
}

.ins-sec__ttl {
  line-height: 1.9;
}

.ins-product__ttl {
  line-height: 1.7;
  margin-top: 14px;
}

.ins-sec__txt,
.ins-split__txt,
.ins-product__lead p {
  font-size: 15px;
  font-weight: 300;
  line-height: 2.3;
  letter-spacing: 0.04em;
  margin: 20px 0 0;
}

.ins-sec__txt {
  max-width: 880px;
}

.ins-product__lead p,
.ins-split__txt {
  margin: 0;
}

.ins-pair {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  margin-top: 40px;
}

.ins-figure {
  border: 1px solid var(--ins-line-soft);
  background: #fff;
}

.ins-figure.-line {
  border-color: var(--ins-line);
}

.ins-figure.-flush {
  border: 0;
  border-bottom: 1px solid var(--ins-line-soft);
}

.ins-figure img {
  height: auto;
  object-fit: contain;
}

.ins-pair .ins-figure {
  aspect-ratio: 1536 / 1269;
  overflow: hidden;
}

.ins-pair .ins-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.ins-pair__cap {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  border-bottom: 1px solid var(--ins-line);
  padding: 14px 0;
  font-size: 14px;
}

.ins-pair__cap strong {
  font-family: Cormorant, serif;
  font-size: 36px;
  font-weight: 500;
  color: var(--ins-navy);
  line-height: 1;
  white-space: nowrap;
}

.ins-band {
  background: var(--ins-navy);
  color: #fff;
  padding: 34px 28px;
  margin-top: 40px;
  text-align: center;
  font-size: 19px;
  letter-spacing: 0.06em;
  line-height: 1.9;
}

.ins-win {
  margin-top: 36px;
}

.ins-split {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding: 36px 0;
  border-top: 1px solid var(--ins-line);
  align-items: flex-start;
}

.ins-split.-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  border-bottom: 1px solid var(--ins-line);
}

.ins-split__copy,
.ins-split > .ins-figure,
.ins-product__lead > p,
.ins-product__lead > div {
  flex: 1 1 400px;
  min-width: 0;
}

.ins-split__ttl,
.ins-card__ttl {
  font-size: 19px;
  font-weight: 500;
  color: var(--ins-navy);
  letter-spacing: 0.04em;
}

.ins-split__txt {
  margin-top: 12px;
}

.ins-matwrap {
  margin-top: 40px;
  overflow-x: auto;
}

.ins-mat {
  min-width: 760px;
  font-size: 14px;
}

.ins-mat__row {
  display: grid;
  grid-template-columns: minmax(110px, 0.8fr) repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--ins-line);
  font-weight: 300;
}

.ins-mat__row.-head {
  border-top-color: var(--ins-navy);
  font-weight: 400;
}

.ins-mat__row:last-child {
  border-bottom: 1px solid var(--ins-line);
}

.ins-mat__tab,
.ins-mat__cell {
  padding: 16px;
}

.ins-mat__tab {
  padding: 20px 16px;
}

.ins-mat__tab.-std {
  background: var(--ins-navy);
  color: #fff;
}

.ins-mat__tab.-std:hover {
  background: var(--ins-navy);
  color: #fff;
  opacity: 0.92;
}

.ins-mat__en {
  font-size: 12px;
  letter-spacing: 0.2em;
}

.ins-mat__tab.-std .ins-mat__en {
  color: #c3cbd8;
}

.ins-mat__name {
  font-size: 16px;
  font-weight: 500;
  margin-top: 4px;
  white-space: nowrap;
}

.ins-mat__label {
  padding: 16px 0;
  font-weight: 500;
}

.ins-mat__cell.-std {
  background: var(--ins-cream);
}

.ins-mat__cell.-em {
  font-weight: 500;
  color: var(--ins-navy);
}

.ins-product__label {
  display: flex;
  align-items: center;
  gap: 14px;
}

.ins-product__en {
  letter-spacing: 0.3em;
}

.ins-badge {
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 3px 12px;
  background: var(--ins-navy);
  color: #fff;
}

.ins-badge.-line {
  background: transparent;
  border: 1px solid var(--ins-navy);
  color: var(--ins-navy);
}

.ins-product__sub {
  font-size: 14px;
  font-weight: 300;
  color: var(--ins-soft);
  margin-top: 4px;
}

.ins-product__lead {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin-top: 32px;
  align-items: flex-start;
}

.ins-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
  margin-top: 40px;
}

.ins-card__ttl {
  font-size: 17px;
  line-height: 1.7;
  margin-top: 18px;
}

.ins-card__txt {
  font-size: 14px;
  font-weight: 300;
  color: var(--ins-body);
  line-height: 2.1;
  margin: 8px 0 0;
}

.ins-caption {
  font-size: 12px;
  font-weight: 300;
  color: #8d857a;
  margin-top: 8px;
}

.ins-panel {
  background: var(--ins-cream);
  padding: 56px 48px;
}

.ins-cards.-panel {
  align-items: stretch;
}

.ins-note {
  background: #fff;
  padding: 28px;
}

.ins-note.-media {
  padding: 0;
}

.ins-note__body {
  padding: 24px 28px 28px;
}

.ins-note .ins-card__ttl {
  margin-top: 0;
}

.ins-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.ins-tags span {
  border: 1px solid var(--ins-line);
  padding: 6px 14px;
  font-size: 13px;
}

.ins-back {
  padding-top: 100px;
  text-align: center;
}

.ins-btn {
  display: inline-block;
  border: 1px solid var(--ins-navy);
  color: var(--ins-navy);
  padding: 18px 52px;
  font-size: 14px;
  letter-spacing: 0.12em;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.insulation-page a.ins-btn:hover {
  background: #00053a;
  color: #fff;
  border-color: #00053a;
  opacity: 1;
}

@media only screen and (max-width: 768px) {
  .insulation-page__inner {
    padding: 0 24px 120px;
  }

  .ins-hero {
    height: 480px;
  }

  .ins-hero__body {
    padding: 0 24px 36px;
  }

  .ins-hero__ttl {
    font-size: 32px;
  }

  .ins-intro {
    padding-top: 72px;
  }

  .ins-sec,
  .ins-product {
    padding-top: 72px;
  }

  .ins-intro__ttl,
  .ins-sec__ttl,
  .ins-product__ttl {
    font-size: 24px;
  }

  .ins-stat__val {
    font-size: 64px;
  }

  .ins-stat__text {
    white-space: nowrap;
  }

  .ins-stat__text br {
    display: none;
  }

  .ins-stat__range {
    font-size: 40px;
  }

  .ins-panel {
    margin-left: -24px;
    margin-right: -24px;
    padding: 40px 24px;
  }

  .ins-back {
    padding-top: 72px;
  }
}