@charset "utf-8";

:root {
  --orange: #de6500;
}

/* ====================================================================

  Hiraya "Highly Insulated and Airtight Housing" PC Style

==================================================================== */

/*
  Main Visual
-------------------------------------------------------------------- */
.main-visual {
  margin: 0 0 80px;
  display: grid;
}
.main-visual figure {
  height: auto;
  max-height: 670px;
  overflow: hidden;
  grid-area: 1 / 1;
}
.main-visual figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}
.main-visual .contents-area {
  height: 100%;
  grid-area: 1 / 1;
}
.page-heading {
  position: relative;
  z-index: 1;
  font-size: 60px;
  color: var(--orange);
  letter-spacing: 0.075em;
  text-shadow: 0 3px 0 #ffffff;
  margin: 220px 0 0;
}
.page-heading small {
  font-size: calc(38 / 60 * 1em);
  line-height: calc(60 / 38);
  letter-spacing: 0.05em;
  display: block;
}

/*
  Page Link
-------------------------------------------------------------------- */
.page-link { margin: 0; }
.page-link ul { padding: 0 calc(100 / 1200 * 100%); }
.page-link ul li { position: relative; }
.page-link ul li::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 3px;
  left: 0;
  bottom: 0;
  border-bottom: solid 3px #f7eeda;
}
.page-link ul li a::before { border-bottom: solid 3px var(--orange); }

/*
  Section
-------------------------------------------------------------------- */
.sec-heading {
  font-size: 38px;
  letter-spacing: .05em;
  line-height: calc(54 / 38);
  text-align: center;
  min-width: initial;
  height: initial;
  padding: 0;
  display: block;
}

/* メリット
---------------------------------- */
.sec01 { padding: 110px 0 0; }
.sec01 .sec-heading { margin: 0 0 1em; }
.point {
  padding: 60px 0;
  background-color: #fffaee;
}
.point h3 {
  display: flex;
  align-items: center;
}
.point h3 i {
  display: inline-block;
  flex-shrink: 0;
}
.point h3 i img {
  width: 100%;
  height: auto;
  flex-shrink: 0;
}
.point h3 span {
  position: relative;
  top: -.15em;
  font-size: 34px;
  letter-spacing: .075em;
  line-height: calc(38 / 36);
  color: var(--orange);
  display: inline-block;
  margin: 0 0 0 15px;
}
.point h3 + p {
  font-size: 16px;
  letter-spacing: .1em;
  line-height: calc(30 / 16);
  margin: -1.5em 0 0 140px;
}
.point figure + small {
  font-size: 12px;
  line-height: calc(18 / 12);
  color: #666666;
  display: inline-block;
  margin: 0 0 0 140px;
}

.point01 figure {
  width: calc(715 / 1200 * 100%);
  margin: 40px auto;
}
.point02 { background-color: #fffcdb; }
.point02 figure {
  width: calc(589 / 1200 * 100%);
  margin: 40px auto;
}
.point03 figure {
  width: calc(699 / 1200 * 100%);
  margin: 40px auto;
}
.point03 ul {
  width: calc(699 / 1200 * 100%);
  margin: 40px auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 7px;
}

/* 背景
---------------------------------- */
.sec02 {
  padding: 150px 0 100px;
  background-color: #f7eeda;
  position: relative;
}
.sec02::before, .sec02::after {
  content: "";
  position: absolute;
  width: 100%;
  background-repeat: no-repeat;
  background-size: cover;
}
.sec02::before {
  top: 0;
  left: 0;
  height: calc(641 / 1500 * 100vw);
  background-position: 0 0;
  background-image: url(../images/hia/hia-housing_sec02_bg_top.png);
}
.sec02::after {
  right: 0;
  bottom: 0;
  height: calc(649 / 1500 * 100vw);
  background-position: 100% 50%;
  background-image: url(../images/hia/hia-housing_sec02_bg_btm.png);
}
.sec02 .inner {
  position: relative;
  z-index: 1;
}

.sec02 .sec-heading + p {
  width: 510px;
  font-size: 16px;
  letter-spacing: .1em;
  line-height: calc(30 / 16);
  margin: 50px 0 0;
}
.regional-division-map {
  position: absolute;
  top: -110px;
  right: -15px;
  width: 617px;
  height: auto;
}

.ua-value {
  padding: 0 100px;
  margin: 305px 0 0;
}
.ua-explanation {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 60px;
}
.ua-explanation dl dt {
  font-size: 22px;
  letter-spacing: .025em;
  line-height: calc(34 / 22);
  color: var(--orange);
  background-color: #fffcdb;
  border: solid 3px var(--orange);
  border-radius: 10px;
  padding: .5em .75em;
  margin: 0 0 20px;
}
.ua-explanation dl dd {
  font-size: 16px;
  letter-spacing: .1em;
  line-height: calc(30 / 16);
}
.ua-value > figure {
  position: relative;
  margin: 60px 0 35px;
}
.ua-value > figure figcaption {
  font-size: 16px;
  letter-spacing: .1em;
  line-height: calc(30 / 16);
}
.whats-ua {
  padding: 25px 30px;
  background-color: white;
  border-radius: 15px;
  display: flex;
  align-items: center;
}
.whats-ua > dl dt {
  font-size: 18px;
  letter-spacing: .05em;
  line-height: calc(36 / 18);
  color: var(--orange);
}
.whats-ua > dl dd {
  font-size: 16px;
  letter-spacing: .05em;
  line-height: calc(30 / 16);
  padding: 0 calc(60 / 940 * 100%) 0 0;
}
.whats-ua > figure {
  width: calc(460 / 940 * 100%);
  overflow: hidden;
  flex-shrink: 0;
}
.whats-ua > figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 断熱住宅とは？
---------------------------------- */
.sec03 { padding: 150px 0 0; }
.sec03 .sec-heading { margin: 0 0 1em; }
.sec-visual { display: grid; }
.sec-visual .contents-area {
  position: relative;
  z-index: 1;
  grid-area: 1 / 1;
}
.sec-visual > figure {
  grid-area: 1 / 1;
  overflow: hidden;
}
.sec-visual img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 断熱住宅の事例
---------------------------------- */
.sec04 {
  padding: 150px 0 80px;
  background-color: #f7eeda;
}
.sec04 .sec-heading { margin: 0 0 50px; }
.sec04 .sec-heading small {
  font-size: calc(24 / 38 * 1em);
  letter-spacing: .05em;
  display: block;
}

.example-intro { width: 100%; }
.example-intro p {
  font-size: 16px;
  letter-spacing: .05em;
  line-height: calc(30 / 16);
  margin: 0 0 30px;
}
.example-intro > div {
  width: 100%;
  display: flex;
  align-items: stretch;
  gap: 0 50px;
}
.example-intro > div img {
  width: 100%;
  height: auto;
}

.example {
  position: relative;
  width: 100%;
  padding: 0 80px 80px;
  background-color: white;
  box-shadow: 0px 8px 16px 0px rgba(222,101,0,.08);
  margin: 80px 0 0;
}
.example img {
  width: 100%;
  height: auto;
}

.example-heading {
  position: relative;
  z-index: 1;
  top: 30px;
  left: -60px;
  display: flex;
  align-items: center;
}
.ex02 .example-heading:first-of-type { margin: 0 0 50px; }
.ex02 .example-heading:last-of-type { margin: 0 0 50px; }
.ex03 .example-heading { margin: 0 0 10px; }
.ex04 .example-heading { margin: 0 0 10px; }
.ex05 .example-heading { margin: 0 0 10px; }

.example-heading i {
  position: relative;
  flex-shrink: 0;
}
.example-heading i img {
  display: inline-block;
  flex-shrink: 0;
}
.example-heading i::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 26px;
  font-style: normal;
  letter-spacing: .05em;
  line-height: 1.2;
  white-space: pre;
  color: var(--wht);
  text-align: center;
}
.ex01 .example-heading i::before { content: "断熱材"; }
.ex02 .example-heading:first-of-type i::before { content: "構造体"; }
.ex02 .example-heading:last-of-type i::before { content: "工場生産"; }
.ex03 .example-heading i::before { content: "高気密"; }
.ex04 .example-heading i::before { content: "窓"; }
.ex05 .example-heading i::before { content: "換気\Aシステム"; }

.example-heading span {
  font-size: 24px;
  letter-spacing: .1em;
  line-height: calc(30 / 24);
  color: var(--orange);
  display: inline-block;
  margin: 0 0 0 25px;
}

/* Example01
---------------------------------- */

/* 断熱材 */
.insulation {
  display: grid;
  grid-template-columns: calc(540 / 1040 * 100%) calc(450 / 1040 * 100%);
  justify-content: space-between;
  justify-items: stretch;
}
.insulation h4 {
  font-size: 18px;
  letter-spacing: .1em;
  line-height: calc(28 / 18);
  margin: 0 0 1em;
}
.insulation h4 small {
  font-size: calc(12 / 18 * 1em);
  display: block;
  margin: 1em 0 0;
}
.insulation ul:first-of-type { margin: 0 0 60px; }
.insulation ul li span {
  font-size: 16px;
  letter-spacing: .1em;
  line-height: calc(30 / 16);
  color: #837e7c;
  display: inline-block;
  margin: .25em 0 0;
}
.insulation ul li p {
  font-size: 16px;
  letter-spacing: .075em;
  line-height: calc(28 / 16);
}

/* Example02
---------------------------------- */
.wbp-pict {
  position: absolute;
  top: 436px;
  right: 80px;
  width: 214px;
  height: 744px;
}
.w700 { width: calc(700 / (1200 - 160) * 100%); }
.ex02 h4 {
  position: relative;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .1em;
  line-height: calc(28 / 18);
  color: var(--orange);
  text-align: center;
  height: 68px;
  line-height: 62px;
  background-color: #fffcdb;
  border-style: solid;
  border-width: 3px;
  border-color: var(--orange);
  border-radius: 10px;
}
img.icon1,img.icon2,img.icon3{
  position: absolute;
  width: initial;
  height: auto;
  z-index: 10;
}
.icon1{ top:504px; right:274px; }
.icon2{ top:730px; right: 230px;}
.icon3{ top:878px; right: 178px;}
/* 罫線アニメーション */
.wbpp-bg {
  position: absolute;
  background: rgba(0,0,0,0);
}
.wbpp01-line.wbpp-bg {
  top: 14px;
  right: -138px;
  width: 138px;
  height: 265px;
}
.wbpp01-line.wbpp-bg::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  /*width: 138px;*/
  width: 0;
  height: 3px;
  background-color: var(--orange);
  display: inline-block;
  /*animation: transX1 1.0s;*/
}
.wbpp01-line.wbpp-bg::after {
  content: "";
  position: absolute;
  top: 0;
  left: 138px;
  width: 3px;
  height: 0;
  /*height: 265px;*/
  background-color: var(--orange);
  display: inline-block;
  /*animation: transY1 1.0s 2.0s;*/
}
.wbpp03-line.wbpp-bg {
  bottom: 28px;
  right: -234px;
  width: 234px;
  height: 610px;
}
.wbpp03-line.wbpp-bg::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 234px;
  height: 3px;
  background-color: var(--orange);
  display: inline-block;
}
.wbpp03-line.wbpp-bg::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 234px;
  width: 3px;
  height: 610px;
  background-color: var(--orange);
  display: inline-block;
}

.wbpp-line {
  position: absolute;
  display: inline-block;
}


:root {
  --orange: #de6500;
}
.wbpp01,
.wbpp02,
.wbpp03 {
  position: relative;
}

/* ====================================
  .wbpp01 用のスタイル
  ==================================== */
.wbpp-line.wbpp01-line01 {
  top: 26px;
  right: -141px;
  width: 0;
  border-top-color: var(--orange);
  border-top-style: solid;
  border-top-width: 3px;
  position: absolute;
}
.wbpp-line.wbpp01-line01.is-visible {
  animation: transX1_reverse .5s 1s linear forwards;
}

.wbpp-line.wbpp01-line02 {
  bottom: calc(100% - 26px - 258px);
  right: -141px;
  height: 258px;
  border-right-color: var(--orange);
  border-right-style: solid;
  border-right-width: 3px;
  position: absolute;
  transform-origin: bottom;
  transform: scaleY(0);
}
.wbpp-line.wbpp01-line02.is-visible {
  animation: transY1_scale .5s .5s linear forwards;
}

@keyframes transX1_reverse {
  to {
    width: 141px;
  }
}
@keyframes transY1_scale {
  to {
    transform: scaleY(1);
  }
}



/* ====================================
  .wbpp02 用のスタイル
  ==================================== */
.wbpp-line.wbpp02-line01 {
  top: 29px;
  right: -180px;
  width: 0;
  border-top-color: var(--orange);
  border-top-style: solid;
  border-top-width: 3px;
  position: absolute;
}
.wbpp-line.wbpp02-line01.is-visible {
  animation: transX2_reverse .5s .5s linear forwards;
}

@keyframes transX2_reverse {
  to {
    width: 180px;
  }
}



/* ====================================
  .wbpp03 用のスタイル
  ==================================== */
.wbpp-line.wbpp03-line01 {
  bottom: 29px;
  right: -234px;
  width: 0;
  border-bottom-color: var(--orange);
  border-bottom-style: solid;
  border-bottom-width: 3px;
  position: absolute;
}
.wbpp-line.wbpp03-line01.is-visible {
  animation: transX3_reverse 0.5s 1.5s linear forwards;
}

.wbpp-line.wbpp03-line02 {
  top: calc(100% - 29px - 610px);
  left: calc(694px + 234px);
  height: 0;
  border-right-color: var(--orange);
  border-right-style: solid;
  border-right-width: 3px;
  position: absolute;
}

.wbpp-line.wbpp03-line02.is-visible {
  animation: transY3_reverse 1.0s .5s linear forwards;
}


@keyframes transX3_reverse {
  to {
    width: 234px;
  }
}
@keyframes transY3_reverse {
  to {
    height: 610px;
  }
}


/* 構造体 */
.structure { margin: 0 0 70px; }
.structure .w700:first-of-type { margin: 0 0 75px; }
.structure p {
  font-size: 16px;
  letter-spacing: .075em;
  line-height: calc(28 / 16);
  margin: 1em 0 1.5em;
}
.structure ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 40px;
}
.structure ul li figcaption {
  font-size: 12px;
  letter-spacing: .075em;
  line-height: calc(18 / 12);
  margin: .5em 0 0;
}

/* 工場生産 */
.production {
  height: 100%;
  display: grid;
  grid-template-columns: calc(540 / 1040 * 100%) calc(450 / 1040 * 100%);
  justify-content: space-between;
  margin: 25px 0 0;
}
.production > div {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}
.production > div dl dt {
  font-size: 18px;
  letter-spacing: .1em;
  line-height: calc(28 / 18);
  margin: 0 0 .5em;
}
.production > div dl dd span {
  font-size: 12px;
  letter-spacing: .075em;
  margin: .5em 0 0;
  display: inline-block;
}
.production > div p {
  width: 63px;
  margin: auto;
}
.production > div dl:last-of-type dd figure img {
  aspect-ratio: 540 / 313;
  object-fit: cover;
}

/* Example03
---------------------------------- */

/* 高気密 */
.high-airtightness {
  display: grid;
  grid-template-columns: calc(370 / 1040 * 100%) calc(620 / 1040 * 100%);
  justify-content: space-between;
}
.high-airtightness figcaption {
  font-size: 12px;
  letter-spacing: .1em;
  margin: .5em 0 0;
}
.high-airtightness dl dt {
  font-size: 18px;
  letter-spacing: .1em;
  line-height: 1.0;
  margin: 0 0 .75em;
}
.high-airtightness dl dd {
  font-size: 16px;
  letter-spacing: .075em;
  line-height: calc(28 / 20);
}
.high-airtightness ul {
  display: grid;
  grid-template-columns: calc(297 / 620 * 100%) calc(277 / 620 * 100%);
  justify-content: space-between;
  margin: 25px 0 0;
}
.high-airtightness ul li p {
  font-size: 12px;
  letter-spacing: .1em;
  line-height: calc(16 / 12);
  margin: .5em 0 0;
}
.high-airtightness ul li:last-of-type img {
  aspect-ratio: 277 / 298;
  object-fit: cover;
}

/* Example04
---------------------------------- */

/* 窓 */
.window-performance {
  display: grid;
  grid-template-columns: calc(540 / 1040 * 100%) calc(450 / 1040 * 100%);
  justify-content: space-between;
}
.window-performance > figure figcaption {
  font-size: 16px;
  letter-spacing: .075em;
  line-height: calc(28 / 16);
  margin: 25px 0 0;
}
.window-performance dl dt {
  font-size: 18px;
  letter-spacing: .1em;
  line-height: calc(28 / 18);
  margin: 0 0 35px;
}
.window-performance dl dt sup {
  font-size: .5em;
  display: inline-block;
}
.window-performance dl dd figure {
  width: 65%;
  height: auto;
  overflow: hidden;
  margin: 0 auto 25px;
}
.window-performance dl dd p {
  font-size: 12px;
  letter-spacing: .075em;
  line-height: calc(18 / 12);
}

/* Example05
---------------------------------- */

/* 換気システム */
.ventilation-system > figure figcaption {
  font-size: 12px;
  letter-spacing: .075em;
  line-height: calc(18 / 12);
  display: block;
  text-align: right;
  margin: 1em 0 0;
}
.ventilation-system > div {
  display: grid;
  grid-template-columns: calc(540 / 1040 * 100%) calc(450 / 1040 * 100%);
  justify-content: space-between;
  margin: 45px 0 0;
}
.ventilation-system > div dl dt {
  font-size: 18px;
  letter-spacing: .1em;
  line-height: calc(28 / 18);
  margin: 0 0 1em;
}
.ventilation-system > div dl dd {
  font-size: 16px;
  letter-spacing: .075em;
  line-height: calc(28 / 16);
}

/* 関連カタログプレセント
---------------------------------- */
.present-unit {
  background-color: #f9fafa;
  padding: 110px 0 90px;
}
.present-unit h3 {
  font-size: 30px;
  letter-spacing: .075em;
  line-height: calc(46 / 30);
  text-align: center;
  color: #9e9360;
}
.present-unit p {
  font-size: 24px;
  letter-spacing: .075em;
  line-height: calc(36 / 24);
  text-align: center;
  margin: 15px 0 65px;
}
/*
.present-unit h3 {
  font-size: 24px;
  font-size: 2.4rem;
  font-weight: 600;
  letter-spacing: 0.075em;
  color: #535353;
  text-align: center;
  margin: 0 0 65px;
}
*/
.present-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.present figure img {
  width: 100%;
  height: auto;
}
.present-summary { padding: 0 37.5px; }
.present-summary label span {
  font-size: 18px;
  font-size: 1.8rem;
  letter-spacing: 0.05em;
  line-height: calc(28 / 18);
}
.present-summary label span small {
  font-size: calc(13 / 18 * 1em);
  display: block;
}
.present-summary p {
  font-size: 14px;
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  line-height: calc(22 / 14);
}

/* CheckBox */
.present-summary label {
  position: relative;
  display: flex;
  align-items: flex-start;
  padding: 0 0 0 30px;
  margin: 0 0 15px;
}
.present-summary label input[type="checkbox"] { display: none; }
.present-summary label span::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 0;
  width: 20px;
  height: 20px;
  border: solid 1px #c0c6d1;
  background-color: #ffffff;
}
.present-summary label input[type="checkbox"]:checked + span::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 0;
  width: 20px;
  height: 20px;
  background: url(../images/hia/checked.svg);
  background-size: cover;
}

/* Tag */
.tag {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 20px 0 0;
}
.tag i {
  font-size: 10px;
  font-size: 1rem;
  font-style: normal;
  color: #000000;
  border: solid 1px #e5e5e4;
  background-color: #ffffff;
  padding: 4px 5px;
}

/* 応募ボタン */
.present-app-btn {
  appearance: none;
  border: none;
  background: none;
  width: fit-content;
  margin: 45px auto 0;
  display: block;
  transition: all .3s;
}
.present-app-btn:hover { opacity: 0.7; }

/* インタビュー掲載
---------------------------------- */
.sec06 {
  text-align: center;
  background-color: #f9fafa;
  display: none;
}
.sec06 h3 {
  font-size: 30px;
  letter-spacing: .075em;
  line-height: calc(46 / 30);
  color: #9e9360;
}
.sec06 p {
  font-size: 24px;
  letter-spacing: .075em;
  line-height: calc(36 / 24);
  margin: 15px 0 35px;
}
.sec06 figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* コラム
---------------------------------- */
.sec07 {
  padding: 120px 0;
  background-color: #fffcdb;
}
.sec07 h3 {
  font-size: 38px;
  font-weight: 600;
  letter-spacing: .075em;
  line-height: calc(46 / 38);
  color: var(--orange);
  text-align: center;
}
.sec07 h3 span {
  font-size: calc(24 / 38 * 1em);
  font-weight: 400;
  line-height: calc(36 / 24);
  color: #000000;
  display: block;
  margin: .5em 0 0;
}
.column-unit {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 40px;
  padding: 0 40px;
  margin: 60px 0 0;
}
.column-unit article a figure img {
  width: 100%;
  height: auto;
}
.column-unit article a p {
  font-size: 16px;
  letter-spacing: .075em;
  line-height: calc(28 / 16);
  padding: 1em .5em 0;
  transition: all .3s;
}
.column-unit article a p span {
  font-size: calc(14 / 16 * 1em);
  line-height: calc(24 / 14);
  display: block;
  margin: .5em 0 0;
}
.column-unit article a:hover p { opacity: .7; }