@charset "utf-8";

/* -----------------------------------------------------------
    無添加防火断熱
-------------------------------------------------------------- */
.subpage-header {
  height: 600px;
}
/* 右半分の画像に文字が重ならないよう、左半分に収める */
.subpage-header__inner {
  width: 50%;
  padding-right: 30px;
}

.subpage-header__inner .basic-txt {
  width: 100%;
  max-width: 600px;
}
.subpage-header__inner .catch-m,
.subpage-header__inner .basic-txt {
  text-shadow: none;
}
.subpage-header__inner .catch-m {
  /* 1行目が左半分に収まるよう、画面幅に合わせて縮小 */
  font-size: clamp(2rem, 1.65vw, 2.6rem);
  padding: 30px 0 0;
}
@media screen and (max-width: 768px) {
  .subpage-header {
    height: auto;
  }
  .subpage-header__inner {
    width: 100%;
    padding: 290px 20px 50px;
  }
  .subpage-header__inner .catch-m {
    font-size: min(2.2rem, 5.6vw);
    line-height: 1.6;
  }
  .subpage-header__inner .basic-txt {
    width: 100%;
    padding: 20px 0 0;
  }
}

/* ページタイトル：読み込み時に文字を下から順番に、写真を右からワイプ表示 */
.subpage-header__inner > * {
  animation: natural-fadeup 0.9s cubic-bezier(0.165, 0.84, 0.44, 1) backwards;
}
.subpage-header__inner > .catch-m {
  animation-delay: 0.15s;
}
.subpage-header__inner > .basic-txt {
  animation-delay: 0.3s;
}
.subpage-header-image {
  overflow: hidden;
  border-radius: 0 0 0 50px;
  animation: natural-wipe 1.2s cubic-bezier(0.65, 0, 0.35, 1) backwards;
}
.subpage-header-image img {
  display: block;
  animation: natural-zoom 2.4s cubic-bezier(0.165, 0.84, 0.44, 1) backwards;
}
@keyframes natural-fadeup {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes natural-wipe {
  from {
    clip-path: inset(0 0 0 100%);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}
@keyframes natural-zoom {
  from {
    transform: scale(1.15);
  }
  to {
    transform: scale(1);
  }
}
@media (prefers-reduced-motion: reduce) {
  .subpage-header__inner > *,
  .subpage-header-image,
  .subpage-header-image img {
    animation: none;
  }
}

/* -----------------------------------------------------------
    .about-area
-------------------------------------------------------------- */
.about-area {
  padding: 100px 0 0;
}
.about-area .txt-block {
  display: flex;
  justify-content: space-between;
}
.about-area .catch-m {
  font-size: clamp(2rem, 1.75vw, 2.6rem);
  padding: 30px 0 0;
}
.about-area .basic-txt {
  padding: 80px 0 0;
  width: 600px;
}

.about-area .catch-m {
  color: var(--top-dark);
}
/* 画面幅が狭いPCでキャッチの最後の1文字だけ改行されるのを防ぐ */
@media screen and (min-width: 769px) and (max-width: 1400px) {
  .about-area .basic-txt {
    width: 530px;
  }
}

/* 図解：断熱材 ＋ 薬剤 ＝ 自然由来の難燃断熱 → 期待できる効果 */
.about-figure {
  background: var(--beige);
  border-radius: 20px;
  margin: 60px 0 0;
  padding: 60px 60px 50px;
}
.about-figure-formula {
  align-items: stretch;
  display: flex;
  gap: 0 24px;
  justify-content: center;
}
.about-figure-item {
  align-items: center;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 6px 20px rgba(58, 51, 49, 0.06);
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
  padding: 30px 20px;
  text-align: center;
}
.about-figure-item .icon {
  align-items: center;
  background: #fff6ea;
  border-radius: 50%;
  color: var(--main);
  display: flex;
  font-size: 3rem;
  height: 76px;
  justify-content: center;
  width: 76px;
}
.about-figure-item .label {
  color: var(--main);
  font-size: 1.4rem;
  font-weight: bold;
  letter-spacing: 0.05em;
  line-height: 1.5;
  margin: 16px 0 0;
}
.about-figure-item .name {
  color: var(--top-dark);
  font-size: 2rem;
  font-weight: bold;
  letter-spacing: 0.05em;
  line-height: 1.6;
  margin: 6px 0 0;
}
.about-figure-item.is-result {
  background: var(--top-grade);
  box-shadow: 0 10px 25px rgba(233, 118, 41, 0.28);
}
.about-figure-item.is-result .label {
  background: #fff;
  border-radius: 30px;
  margin: 0;
  padding: 4px 16px 3px;
}
.about-figure-item.is-result .name {
  color: #fff;
  font-size: 2.8rem;
  line-height: 1.5;
  margin: 14px 0 0;
}
.about-figure-op {
  align-self: center;
  color: var(--main);
  flex-shrink: 0;
  font: 500 5rem / 1 var(--en);
}

.about-figure-ttl {
  align-items: center;
  color: var(--top-dark);
  display: flex;
  font-size: 1.8rem;
  font-weight: bold;
  gap: 0 20px;
  letter-spacing: 0.1em;
  margin: 46px 0 0;
}
.about-figure-ttl::before,
.about-figure-ttl::after {
  background: #d9cfc4;
  content: "";
  flex: 1;
  height: 1px;
}
.about-figure-effect {
  display: flex;
  margin: 26px 0 0;
}
.about-figure-effect li {
  align-items: center;
  display: flex;
  flex: 1;
  gap: 0 16px;
  justify-content: center;
  padding: 4px 16px;
}
.about-figure-effect li:nth-child(n + 2) {
  border-left: 1px dashed #c9bcae;
}
.about-figure-effect .icon {
  align-items: center;
  background: var(--main);
  border-radius: 50%;
  color: #fff;
  display: flex;
  flex-shrink: 0;
  font-size: 2.2rem;
  height: 56px;
  justify-content: center;
  width: 56px;
}
.about-figure-effect .ttl {
  color: var(--top-dark);
  font-size: 2rem;
  font-weight: bold;
  letter-spacing: 0.05em;
  line-height: 1.5;
}
.about-figure-effect .txt {
  font-size: 1.5rem;
  line-height: 1.6;
}

@media screen and (max-width: 768px) {
  .about-figure {
    border-radius: 12px;
    margin: 30px 0 0;
    padding: 24px 20px 26px;
  }
  .about-figure-formula {
    flex-direction: column;
    gap: 6px 0;
  }
  .about-figure-item {
    padding: 20px 16px;
  }
  .about-figure-item .icon {
    font-size: 2.4rem;
    height: 60px;
    width: 60px;
  }
  .about-figure-item .label {
    margin: 10px 0 0;
  }
  .about-figure-item .name {
    font-size: 1.8rem;
    margin: 4px 0 0;
  }
  .about-figure-item.is-result .name {
    font-size: 2.4rem;
    margin: 10px 0 0;
  }
  .about-figure-op {
    font-size: 3.6rem;
  }
  .about-figure-ttl {
    font-size: 1.6rem;
    gap: 0 12px;
    margin: 28px 0 0;
  }
  .about-figure-effect {
    display: block;
    margin: 12px 0 0;
  }
  .about-figure-effect li {
    justify-content: flex-start;
    padding: 12px 0;
  }
  .about-figure-effect li:nth-child(n + 2) {
    border-left: none;
    border-top: 1px dashed #c9bcae;
  }
  .about-figure-effect .icon {
    font-size: 1.8rem;
    height: 46px;
    width: 46px;
  }
  .about-figure-effect .ttl {
    font-size: 1.8rem;
  }
}

@media screen and (max-width: 768px) {
  .about-area {
    padding: 50px 0 0;
  }
  .about-area .txt-block {
    display: block;
  }
  .about-area .catch-m {
    font-size: min(2rem, 5.2vw);
    padding: 15px 0 0;
  }
  .about-area .basic-txt {
    padding: 20px 0 0;
    width: 100%;
  }
}
/* -----------------------------------------------------------
    natural-charm-area（3つの魅力）
-------------------------------------------------------------- */
.natural-charm-area {
  --charm-w: 1400px;
  overflow: hidden;
  padding: 100px 0 0;
  position: relative;
}

.natural-charm-area::before {
  background: #faf7f3;
  border-radius: 50%;
  content: "";
  height: 940px;
  position: absolute;
  right: -350px;
  top: 260px;
  width: 1000px;
}

/* タイトル */
.natural-charm-box {
  background: var(--top-grid), var(--top-dark);
  color: #fff;
  min-height: 450px;
  padding: 105px 0 60px max(70px, calc((100vw - var(--charm-w)) / 2));
  position: relative;
  width: 46.9%;
}

.natural-charm-ttl .en {
  color: var(--main);
  font: 500 4rem / 1 var(--en);
  letter-spacing: 0.02em;
  position: relative;
  width: fit-content;
}

.natural-charm-ttl .en::before {
  content: "";
  display: inline-block;
  width: 36px;
  height: 37px;
  margin: 0 -11px 0 0;
  vertical-align: middle;
  transform: translateY(-20px);
  background: currentColor;
  -webkit-mask: url(../img/deco-orange.svg) no-repeat center / contain;
  mask: url(../img/deco-orange.svg) no-repeat center / contain;
}

.natural-charm-ttl .jp {
  font-size: 3.4rem;
  font-weight: bold;
  letter-spacing: 0.1em;
  line-height: 1.4;
  margin: 15px 0 0;
}

.natural-charm-ttl .jp .s {
  display: block;
  font-size: 2.2rem;
}

.natural-charm-ttl .jp .ttl-num {
  color: var(--main);
  font: 500 6rem / 1 var(--en);
  padding: 0 8px 0 0;
}

/* リスト */
.natural-charm-list {
  margin-top: -350px;
  padding-bottom: 20px;
  position: relative;
}

.natural-charm-item img {
  border-radius: 6px;
  display: block;
  object-fit: cover;
  width: 100%;
}

.natural-charm-item .num {
  align-items: baseline;
  color: var(--main);
  display: flex;
  font: 500 5.6rem / 1 var(--en);
  gap: 12px;
}

.natural-charm-item .num span {
  font-size: 1.4rem;
  letter-spacing: 0.15em;
}

.natural-charm-item .catch {
  font-size: 2.4rem;
  font-weight: bold;
  letter-spacing: 0.1em;
  line-height: 1.6;
  margin: 15px 0 0;
}

.natural-charm-item .desc {
  font-size: 1.5rem;
  letter-spacing: 0.08em;
  line-height: 2;
  margin: 24px 0 0;
}

/* 01 */
.natural-charm-item.item01 .img {
  margin-left: auto;
  width: 65.7%;
}

.natural-charm-item.item01 .img img {
  aspect-ratio: 920 / 450;
}

.natural-charm-item.item01 .txt {
  background: #fff;
  border-radius: 12px;
  margin: -110px 0 0 41.5%;
  padding: 40px 60px 45px;
  position: relative;
  width: 50%;
}

/* 02 */
.natural-charm-item.item02 {
  align-items: flex-end;
  display: flex;
  gap: 80px;
  margin-top: 100px;
}

.natural-charm-item.item02 .img {
  flex: 0 0 28%;
}

.natural-charm-item.item02 .img img {
  aspect-ratio: 392 / 436;
}

.natural-charm-item.item02 .txt {
  flex: 1;
  max-width: 760px;
  padding: 0 0 10px;
}

/* 03 */
.natural-charm-item.item03 {
  align-items: center;
  display: flex;
  flex-direction: row-reverse;
  gap: 80px;
  margin-top: 90px;
  padding-left: 14%;
}

.natural-charm-item.item03 .img {
  flex: 0 0 32.7%;
}

.natural-charm-item.item03 .img img {
  aspect-ratio: 394 / 270;
}

.natural-charm-item.item03 .txt {
  flex: 1;
}

@media screen and (min-width: 769px) and (max-width: 1400px) {
  .natural-charm-area {
    --charm-w: 1200px;
  }

  .natural-charm-item .catch {
    font-size: 2rem;
  }

  .natural-charm-item.item01 .txt {
    padding: 36px 50px 40px;
  }

  .natural-charm-item.item02,
  .natural-charm-item.item03 {
    gap: 60px;
  }
}

@media screen and (max-width: 768px) {
  .natural-charm-area {
    padding: 50px 0 0;
  }

  .natural-charm-area::before {
    height: 450px;
    right: -200px;
    top: 450px;
    width: 450px;
  }

  /* タイトル */
  .natural-charm-box {
    min-height: 0;
    padding: 50px 20px 74px;
    width: auto;
  }

  .natural-charm-ttl .en {
    font-size: 4rem;
    letter-spacing: 0.05em;
  }

  .natural-charm-ttl .en::before {
    height: 24px;
    left: -12px;
    top: -10px;
    width: 24px;
  }

  .natural-charm-ttl .jp {
    font-size: 2.4rem;
    letter-spacing: 0.05em;
    margin: 10px 0 0;
  }

  .natural-charm-ttl .jp .s {
    font-size: 1.6rem;
  }

  .natural-charm-ttl .jp .ttl-num {
    font-size: 4rem;
  }

  /* リスト */
  .natural-charm-list {
    margin-top: -40px;
    padding-bottom: 0;
  }

  .natural-charm-item.item02,
  .natural-charm-item.item03 {
    display: block;
    margin-top: 50px;
    padding-left: 0;
  }

  .natural-charm-item .img,
  .natural-charm-item.item01 .img {
    width: 100%;
  }

  .natural-charm-item.item02 .img {
    width: 80%;
  }

  .natural-charm-item.item03 .img {
    margin-left: auto;
    width: 80%;
  }

  .natural-charm-item.item01 .img img,
  .natural-charm-item.item02 .img img,
  .natural-charm-item.item03 .img img {
    aspect-ratio: 336 / 240;
  }

  .natural-charm-item .txt,
  .natural-charm-item.item01 .txt,
  .natural-charm-item.item02 .txt {
    background: none;
    margin: 20px 0 0;
    max-width: none;
    padding: 0;
    width: auto;
  }

  .natural-charm-item .num {
    font-size: 4rem;
    gap: 8px;
  }

  .natural-charm-item .num span {
    font-size: 1.2rem;
  }

  .natural-charm-item .catch {
    font-size: min(1.8rem, 4.6vw);
    letter-spacing: 0.05em;
    margin: 10px 0 0;
  }

  .natural-charm-item .desc {
    font-size: 1.4rem;
    letter-spacing: 0.04em;
    line-height: 1.9;
    margin: 15px 0 0;
  }
}

/* -----------------------------------------------------------
    construction-area（施工内容）
-------------------------------------------------------------- */
.construction-area {
  margin: 100px 0 0;
  padding: 0 0 100px;
}

/* cmn-flow.cssの調整（資材紹介を枠内に収めるため、下線をカード側へ） */
.construction-area .flow-step .flow-step-header {
  border-bottom: none;
}
.construction-area .flow-step .step__card {
  border-bottom: 2px solid var(--main);
}
.construction-area .flow-step .flow-step-ttl {
  display: block;
  flex: 0 0 380px;
  min-width: 0;
}
.flow-step-catch {
  color: var(--main);
  font-size: 2rem;
  font-weight: bold;
  line-height: 1.6;
  margin: 0 0 5px;
}
/* 見出しは文節の区切り（HTML側の<wbr>）でだけ折り返す */
.flow-step-catch,
.construction-area .flow-step .flow-step-ttl .flow-list-ttl {
  overflow-wrap: anywhere;
  word-break: keep-all;
}
/* FLOW番号は控えめに */
.construction-area .flow-step .num {
  flex: 0 0 100px;
  font-size: 1.6rem;
  padding: 30px 0 0 20px;
}
.construction-area .flow-step .num span {
  font-size: 4rem;
}

/* 比較表（一般的な断熱材との違い） */
.compare-ttl {
  margin: 100px 0 0;
}
.compare-scroll-note {
  display: none;
}
.compare-table-wrap {
  margin: 40px 0 0;
  padding: 75px 60px 70px;
  background: #fbf3ea;
  border-radius: 30px;
}
.compare-table {
  position: relative;
  z-index: 0;
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  table-layout: fixed;
  line-height: 1.8;
  text-align: left;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(90, 67, 55, 0.08);
}
.compare-table th,
.compare-table td {
  padding: 24px 18px;
  vertical-align: top;
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  background: #fff;
  border-bottom: 1px solid #efe6dc;
  transition: background 0.3s;
}
.compare-table td {
  color: #6b5a50;
}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: none;
}
.compare-table th:first-child {
  width: 17%;
}
.compare-table .is-recommend {
  /* Firefoxではセルの背景が下の枠（z-index: -1）の後ろに回るため、セルを前面に出す */
  position: relative;
  width: 24%;
}
.compare-table tbody tr:hover td:not(.is-recommend) {
  background: #fffaf4;
}

/* 見出し行 */
.compare-table thead th {
  padding: 30px 15px;
  vertical-align: middle;
  text-align: center;
  font-size: 1.6rem;
  font-weight: bold;
  line-height: 1.6;
  color: #5a4337;
  background: #f3e6d6;
}
.compare-table thead th:first-child {
  background: #fff;
  border-radius: 20px 0 0 0;
}
.compare-table thead th:last-child {
  border-radius: 0 20px 0 0;
}

/* おすすめ列（枠は列全体に重ねて浮かせる） */
.compare-table thead th.is-recommend {
  padding: 22px 15px 24px;
  color: #fff;
  background: linear-gradient(180deg, var(--main) 0%, #d4650f 100%);
  background-clip: padding-box;
  border: solid transparent;
  border-width: 0 3px;
}
/* 枠は表全体を基準に置くため、position指定のない項目列の見出しセルから出す */
.compare-table thead th:first-child::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -12px;
  bottom: -12px;
  left: 17%;
  width: 24%;
  box-sizing: border-box;
  border: 3px solid var(--main);
  border-radius: 22px;
  background: linear-gradient(
    180deg,
    var(--main) 0,
    var(--main) 40px,
    #fff6ea 40px
  );
  box-shadow: 0 15px 35px rgba(233, 118, 41, 0.28);
  pointer-events: none;
}
.compare-table-badge {
  position: absolute;
  z-index: 1;
  top: -28px;
  left: 29%;
  transform: translateX(-50%);
  padding: 3px 18px 2px;
  font-size: 1.2rem;
  font-weight: bold;
  line-height: 1.8;
  letter-spacing: 0.1em;
  white-space: nowrap;
  color: #d4650f;
  background: #fff;
  border: 2px solid var(--main);
  border-radius: 30px;
  box-shadow: 0 4px 10px rgba(233, 118, 41, 0.25);
}
.compare-table-badge::before {
  content: "★";
  margin: 0 4px 0 0;
  color: #f5a623;
}
.compare-table-logo {
  display: block;
  width: 150px;
  max-width: 100%;
  margin: 0 auto 12px;
  padding: 10px 22px;
  background: #fff;
  border-radius: 12px;
}
.compare-table-logo img {
  display: block;
  width: 100%;
  height: auto;
}
.compare-table-name {
  display: block;
  font-size: 1.8rem;
  letter-spacing: 0.06em;
}
.compare-table-name small {
  display: block;
  font-size: 1.2rem;
  font-weight: 500;
}
.compare-table td.is-recommend {
  color: #4a372d;
  font-weight: bold;
  background: linear-gradient(#f1dcc3, #f1dcc3) no-repeat bottom center /
    calc(100% - 40px) 1px;
  border-bottom-color: transparent;
}
.compare-table tbody tr:last-child td.is-recommend {
  background: none;
}

/* 項目列 */
.compare-table tbody th {
  vertical-align: middle;
  font-weight: bold;
  color: #5a4337;
  background: #fdf1e3;
  border-bottom-color: #f3e2ce;
}
.compare-table tbody th::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin: 0 8px 0 0;
  vertical-align: middle;
  border-radius: 50%;
  background: var(--main);
}
.compare-table tbody tr:last-child th {
  border-radius: 0 0 0 20px;
}
.compare-table tbody tr:last-child td:last-child {
  border-radius: 0 0 20px 0;
}

/* ◎○△ */
.compare-table-mark {
  display: block;
  position: relative;
  box-sizing: border-box;
  width: 30px;
  height: 30px;
  margin: 2px auto 12px;
  font-size: 0;
}
.compare-table-mark.is-best {
  border: 3px solid var(--main);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 5px rgba(233, 118, 41, 0.14);
}
.compare-table-mark.is-best::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 3px solid var(--main);
  border-radius: 50%;
}
.compare-table-mark.is-good {
  border: 2px solid #b3a299;
  border-radius: 50%;
}
.compare-table-mark.is-fair {
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath d='M15 4 28 26H2z' fill='none' stroke='%23b3a299' stroke-width='2' stroke-linejoin='round'/%3E%3C/svg%3E")
    center / contain no-repeat;
}

/* 資材紹介 */
.material-box {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  margin: 0 32px 40px;
  padding: 40px;
  background: #f8f8f8;
  border-radius: 15px;
}
.material-box-image {
  flex: 0 0 280px;
}
.material-box-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 10px;
}
.material-box-body {
  flex: 1;
}
.material-box-label {
  background: var(--main);
  color: #fff;
  border-radius: 30px;
  padding: 3px 15px 1px;
  display: inline-block;
  font-size: 1.4rem;
  font-weight: bold;
}
.material-box-name {
  font-size: 2.6rem;
  font-weight: bold;
  line-height: 1.5;
  margin: 10px 0 0;
}
.material-box-name span {
  font-size: 1.6rem;
}
.material-box-txt {
  line-height: 2;
  padding: 10px 0 0;
}

/* 資材の特徴 */
.material-feature {
  margin: 25px 0 0;
  padding: 25px 0 0;
  border-top: dashed 1px #333;
}
.material-feature-ttl {
  font-size: 1.8rem;
  font-weight: bold;
  line-height: 1.5;
}
.material-feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 15px 0 0;
}
.material-feature-list li {
  background: #fff;
  border-radius: 5px;
  padding: 15px 20px 15px 50px;
  line-height: 1.6;
  font-weight: 500;
  position: relative;
}
.material-feature-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 17px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--main);
}
.material-feature-list li::after {
  content: "";
  position: absolute;
  left: 25px;
  top: 21px;
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

@media screen and (max-width: 768px) {
  .construction-area {
    margin: 50px 0 0;
    padding: 0 0 50px;
  }
  .construction-area .flow-step {
    margin: 20px 0 0;
  }
  .flow-step-catch {
    font-size: 1.6rem;
  }
  .construction-area .flow-step .num {
    font-size: 1.1rem;
    padding: 30px 0 0;
  }
  .construction-area .flow-step .num span {
    font-size: 2.4rem;
  }
  .construction-area .flow-step .flow-step-ttl .flow-list-ttl {
    font-size: min(2rem, 5.3vw);
  }

  /* 比較表（横スクロール） */
  .compare-ttl {
    margin: 50px 0 0;
  }
  .compare-scroll-note {
    display: block;
    margin: 15px 0 0;
    font-size: 1.2rem;
    line-height: 1.6;
    color: #8a776b;
  }
  .compare-scroll-note::after {
    content: "→";
    margin: 0 0 0 5px;
    color: var(--main);
  }
  .compare-table-wrap {
    margin: 10px -20px 0;
    padding: 45px 20px 35px;
    border-radius: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .compare-table {
    width: 920px;
  }
  .compare-table th,
  .compare-table td {
    padding: 16px 12px;
    font-size: 1.3rem;
  }
  .compare-table thead th {
    padding: 20px 10px;
    font-size: 1.4rem;
  }
  .compare-table thead th.is-recommend {
    padding: 16px 10px 18px;
  }
  .compare-table td.is-recommend {
    background-size: calc(100% - 28px) 1px;
  }
  .compare-table-logo {
    width: 120px;
    padding: 8px 16px;
    margin: 0 auto 8px;
  }
  .compare-table-name {
    font-size: 1.5rem;
  }
  .compare-table-mark {
    width: 26px;
    height: 26px;
    margin: 2px auto 10px;
  }
  .compare-table-mark.is-best::after {
    inset: 3px;
  }

  /* 資材紹介 */
  .material-box {
    flex-direction: column;
    gap: 20px;
    margin: 0 0 30px;
    padding: 20px;
    border-radius: 10px;
  }
  .material-box-image {
    flex: none;
    width: 100%;
  }
  .material-box-image img {
    aspect-ratio: auto;
    height: 200px;
  }
  .material-box-name {
    font-size: 2rem;
  }

  /* 資材の特徴 */
  .material-feature {
    margin: 20px 0 0;
    padding: 20px 0 0;
  }
  .material-feature-ttl {
    font-size: 1.6rem;
  }
  .material-feature-list {
    grid-template-columns: 1fr;
  }
  .material-feature-list li {
    padding: 12px 15px 12px 45px;
    font-size: 1.5rem;
    letter-spacing: 0.02em;
  }
  .material-feature-list li::before {
    left: 13px;
    top: 14px;
  }
  .material-feature-list li::after {
    left: 20px;
    top: 18px;
  }
}

/* -----------------------------------------------------------
    natural-works-area（施工事例）
-------------------------------------------------------------- */
.natural-works-area {
  padding: 0 0 100px;
}
.natural-works-case {
  margin: 40px 0 0;
  padding: 60px;
  background: #fbf3ea;
  border-radius: 30px;
}
.natural-works-case + .natural-works-case {
  margin: 30px 0 0;
}
/* 上段：写真と概要 */
.natural-works-head {
  display: flex;
  align-items: center;
  gap: 50px;
}
.natural-works-head .img {
  width: 480px;
  flex-shrink: 0;
  border-radius: 16px;
  overflow: hidden;
}
.natural-works-head .img img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.natural-works-head .body {
  flex: 1;
  min-width: 0;
}
.natural-works-head .case {
  display: inline-block;
  padding: 3px 18px;
  border-radius: 30px;
  background: var(--main);
  color: #fff;
  font-family: var(--en);
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  line-height: 1.5;
}
.natural-works-head .catch {
  margin: 14px 0 0;
  font-size: 2.8rem;
  font-weight: bold;
  line-height: 1.5;
  letter-spacing: 0.05em;
}
.natural-works-head .spec {
  margin: 24px 0 0;
  border-top: 1px solid #e3d6c5;
}
.natural-works-head .spec > div {
  display: flex;
  gap: 20px;
  padding: 12px 0;
  border-bottom: 1px solid #e3d6c5;
  line-height: 1.7;
}
.natural-works-head .spec dt {
  width: 100px;
  flex-shrink: 0;
  color: var(--main);
  font-weight: bold;
}
.natural-works-head .spec dd {
  flex: 1;
  min-width: 0;
}
/* 下段：施工前の状態・施工内容・お客様の声 */
.natural-works-detail {
  display: flex;
  gap: 20px;
  margin: 40px 0 0;
}
.natural-works-detail .item {
  flex: 1;
  min-width: 0;
  padding: 30px;
  border-radius: 16px;
  background: #fff;
}
.natural-works-detail .ttl {
  padding: 0 0 0 14px;
  border-left: 5px solid var(--main);
  font-size: 1.8rem;
  font-weight: bold;
  line-height: 1.4;
}
.natural-works-detail .basic-txt {
  padding: 14px 0 0;
}
.natural-works-detail .is-voice {
  border: 2px solid var(--main);
}

@media screen and (max-width: 768px) {
  .natural-works-area {
    padding: 0 0 50px;
  }
  .natural-works-case {
    margin: 20px 0 0;
    padding: 20px;
    border-radius: 15px;
  }
  .natural-works-head {
    display: block;
  }
  .natural-works-head .img {
    width: 100%;
    border-radius: 10px;
  }
  .natural-works-head .body {
    margin: 20px 0 0;
  }
  .natural-works-head .case {
    font-size: 1.3rem;
  }
  .natural-works-head .catch {
    margin: 10px 0 0;
    font-size: 2rem;
  }
  .natural-works-head .spec {
    margin: 16px 0 0;
  }
  .natural-works-head .spec > div {
    gap: 12px;
    padding: 10px 0;
  }
  .natural-works-head .spec dt {
    width: 80px;
  }
  .natural-works-detail {
    display: block;
    margin: 20px 0 0;
  }
  .natural-works-detail .item {
    padding: 20px;
    border-radius: 10px;
  }
  .natural-works-detail .item + .item {
    margin: 10px 0 0;
  }
  .natural-works-detail .ttl {
    font-size: 1.6rem;
  }
}

/* -----------------------------------------------------------
    faq-area
-------------------------------------------------------------- */
.faq-area {
  padding: 150px 0 !important;
  background: var(--beige);
}

@media screen and (max-width: 768px) {
  .faq-area {
    padding: 60px 0 !important;
  }
  .faq-area .ttl-l .jp span {
    font-size: 1.6rem;
  }
  .faq-area .faq-list {
    margin: 20px 0 0;
    padding: 5px 15px;
    border-radius: 15px;
  }
  .faq-area .faq-list li:last-child {
    border-bottom: none;
  }
}

/* -----------------------------------------------------------
    .ninews-area
-------------------------------------------------------------- */
/* 背景に薄オレンジを敷くため、上下の余白は margin ではなく padding で取る */
.ninews-area {
  margin: 0 !important;
  padding: 100px 0 200px;
  background: #fff6ea;
}
.ninews-area .ninews-head {
  width: 100% !important;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin: 0 0 20px;
}
.ninews-area .splide.is-initialized .splide__track {
  overflow: hidden !important;
}
.ninews-area .splide.is-initialized .ninews-list {
  gap: 0;
}

.ninews-area .splide__arrow {
  background: #fff;
  border: solid 1px #333;
  top: auto;
  bottom: -120px;
  width: 50px;
  height: 50px;
}
.ninews-area .splide__arrow--next {
  right: auto;
  left: 80px;
}

@media screen and (max-width: 768px) {
  .ninews-area {
    padding: 50px 0;
  }
  .splide__track {
    overflow-x: scroll !important;
  }
  .ninews-have-thumb.ninews-list {
    display: flex !important;
  }
  .ninews-have-thumb .ninews-item {
    width: 280px !important;
  }
  .ninews-thumb__img {
    width: 100% !important;
  }
  .ninews-thumb__elements {
    width: 100% !important;
  }
}

/* カードと「一覧」の見た目はトップページの断熱リフォームコラム（top.css の .top-column）に合わせる。
   後読み込みの ninews-area.css に負けないよう #reform を付けている（reform.css と同じ指定） */
#reform .ninews-area .ninews-head-link {
  align-items: center;
  border: 1px solid var(--cmnblack);
  border-radius: 20px;
  color: var(--cmnblack);
  display: inline-flex;
  font-size: 1.4rem;
  gap: 10px;
  justify-content: center;
  margin: 0;
  padding: 5px 12px 6px 14px;
  transition: 0.3s;
}

#reform .ninews-area .ninews-head-link::before {
  content: none;
}

#reform .ninews-area .ninews-head-link::after {
  background: var(--main);
  border-radius: 50%;
  content: "";
  height: 4px;
  width: 4px;
}

#reform .ninews-area .ninews-item a {
  display: block;
}

#reform .ninews-area .ninews-thumb__img {
  aspect-ratio: 340 / 226;
  background: var(--beige);
  height: auto;
  overflow: hidden;
  width: 100%;
}

#reform .ninews-area .ninews-thumb__img img {
  object-fit: contain;
}

#reform .ninews-area .ninews-thumb__elements {
  display: flex;
  flex-direction: column;
  margin: 8px 0 0;
}

#reform .ninews-area .ninews-date {
  display: none;
}

#reform .ninews-area .ninews-cate-wrap .ninews-cate {
  border-color: var(--main);
  color: var(--main);
  font-size: 1.2rem;
  font-weight: bold;
  padding: 6px 15px;
}

#reform .ninews-area .ninews-title {
  font-size: 1.5rem;
  font-weight: normal;
  letter-spacing: 0.1em;
  line-height: 1.8;
  margin: 0;
  max-height: none;
}

@media screen and (min-width: 769px) {
  /* カード間の余白はSplideのgapオプションで付ける */
  #reform .ninews-area .ninews-list {
    gap: 0;
  }

  #reform .ninews-area .ninews-head-link:hover {
    background: var(--cmnblack);
    border-color: var(--cmnblack);
    color: #fff;
  }
}

@media screen and (max-width: 768px) {
  #reform .ninews-area .ninews-list {
    gap: 10px;
  }

  #reform .ninews-area .ninews-cate-wrap .ninews-cate {
    font-size: 1.1rem;
  }

  #reform .ninews-area .ninews-title {
    font-size: 1.3rem;
  }
}