@charset "UTF-8";
/* ============ Concept FV ============ */
.c-fv {
  position: relative;
  width: 100%;
  /* height: calc(752 * var(--fs)); */
  overflow: hidden;
  background: #eceae7;
}
.c-fv__bg {
  width: 100%;
}
.c-fv__label {
  position: absolute;
  top: calc(343 * var(--fs));
  left: calc(928 * var(--fs));
  width: calc(341 * var(--fs));
  z-index: 5;
}

/* ============ CONCEPT (問題定義) ============ */
.c-concept {
  padding: calc(96 * var(--s)) 0 calc(128 * var(--s));
}
.c-concept__title {
  margin-bottom: calc(52 * var(--s));
}
.c-problem .c-row__photo {
  width: calc(502 * var(--s));
}
.c-problem .c-row__text {
  width: calc(596 * var(--s));
}
.c-reason {
  margin-top: calc(74 * var(--s));
}
.c-reason .c-row__text {
  width: calc(596 * var(--s));
}
.c-reason .c-row__illust {
  width: calc(502 * var(--s));
  flex-shrink: 0;
}
.c-reason .c-row__illust img {
  width: 100%;
}
.c-reason .c-row__illust img+img {
  margin-top: calc(16 * var(--s));
}

/* Risk カード */
.c-risk {
  margin: calc(80 * var(--s)) auto 0;
  width: calc(1201 * var(--s));
  max-width: 92%;
  background: #e9e9e9;
  padding: calc(50 * var(--s)) 0 calc(74 * var(--s));
}
.c-risk__head {
  text-align: center;
  margin-bottom: calc(32 * var(--s));
}
.c-risk__head .jp-head {
  margin-top: calc(8 * var(--s));
}
.c-risk__body {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: calc(44 * var(--s));
}
.c-risk__photo {
  width: calc(466 * var(--s));
  flex-shrink: 0;
}
.c-risk__text {
  width: calc(506 * var(--s));
  text-align: left;
}

/* ============ Value (どうすればいいか) ============ */
.c-value {
  background: #e9e9e9;
  padding: calc(110 * var(--s)) 0 calc(125 * var(--s));
}
.c-value__intro {
  text-align: center;
  margin-bottom: calc(64 * var(--s));
}
.c-value__intro .jp-head {
  margin-bottom: calc(20 * var(--s));
}
.c-value__divider {
  width: calc(1041 * var(--s));
  max-width: 88%;
  height: 1px;
  background: var(--c-ink);
  margin: 0 auto calc(77 * var(--s));
}
.c-value-row {
  align-items: center;
}
.c-value-row .c-row__text {
  width: calc(419 * var(--s));
}
.c-value-row .c-row__photo {
  width: calc(528 * var(--s));
}
.c-value-row .jp-head {
  margin-bottom: calc(30 * var(--s));
}
/* Value box カード */
.c-value-box {
  margin: calc(76 * var(--s)) auto 0;
  width: calc(1202 * var(--s));
  max-width: 92%;
  border: 1px solid;
  padding: calc(28 * var(--s)) 0 calc(38 * var(--s));
}
.c-value-box__title {
  text-align: center;
  font-weight: 600;
  font-size: calc(30 * var(--s));
  letter-spacing: 0.15em;
  margin-block: 0 calc(28 * var(--s));
}
.c-value-box__body {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: calc(50 * var(--s));
}
.c-value-box__photo {
  width: calc(466 * var(--s));
  flex-shrink: 0;
}
.c-value-box__text {
  width: calc(503 * var(--s));
  text-align: left;
}

/* ============ 04 Video ============ */
.c-video04 {
  padding: calc(96 * var(--s)) 0 calc(120 * var(--s));
  text-align: center;
}
.c-video04 .jp-head {
  margin: calc(40 * var(--s)) auto 0;
}
.c-video04__box {
  width: calc(1001 * var(--s));
  max-width: 90%;
  margin: calc(56 * var(--s)) auto 0;
}
.c-video04__box iframe {
  object-fit: cover;
  display: block;
}

/* ============ Tech ============ */
.c-tech {
  background: #eaeaea;
  padding: calc(125 * var(--s)) 0 calc(126 * var(--s));
  overflow: hidden;
}
.c-tech__lead {
  text-align: center;
}
.c-tech-overview {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(56 * var(--s));
  margin-top: calc(50 * var(--s));
}
.c-tech-overview__illust {
  width: calc(786 * var(--s));
  flex-shrink: 0;
  margin-left: calc(-230 * var(--s));
}
.c-tech-overview__text {
  width: calc(487 * var(--s));
  text-align: left;
  font-size: calc(22 * var(--s));
  line-height: 1.818;
  letter-spacing: 0.05em;
  font-weight: 500;
}
/* 内側の白box */
.c-tech-box {
  width: calc(1201 * var(--s));
  max-width: 92%;
  margin: calc(60 * var(--s)) auto 0;
  background: #f6f6f6;
  padding: calc(70 * var(--s)) 0;
}
.c-tech-box__title {
  text-align: center;
  margin-bottom: calc(44 * var(--s));
}
.c-tech-compare {
  width: calc(1040 * var(--s));
  max-width: 92%;
  margin: 0 auto calc(40 * var(--s));
}
.c-compare-diagrams {
  display: flex;
  gap: calc(42 * var(--s));
  width: 100%;
  margin-bottom: calc(84 * var(--s));
}
.c-compare-diagrams__left,
.c-compare-diagrams__right {
  flex: 1;
  min-width: 0;
}
.c-compare-diagrams__left img,
.c-compare-diagrams__right img,
.c-compare-title img,
.c-compare-item img {
  width: 100%;
  display: block;
}
.c-compare-title {
  width: 100%;
  margin-bottom: calc(18 * var(--s));
}
.c-compare-title--sp {
  display: none;
}
.c-compare-items {
  display: flex;
  width: 100%;
  gap: calc(42 * var(--s));
  margin-bottom: calc(20 * var(--s));
}
.c-compare-item {
  flex: 1;
  min-width: 0;
}
.c-compare-note {
  margin-top: calc(10 * var(--s));
}
.c-compare-note img {
  display: block;
  width: calc(300 * var(--s));
  max-width: 80%;
}
.c-tech-box__divider {
  width: calc(1051 * var(--s));
  max-width: 94%;
  height: 1px;
  background: var(--c-ink);
  margin: calc(78 * var(--s)) auto calc(60 * var(--s));
}
.c-viscosity__head {
  text-align: left;
  padding-bottom: calc(24 * var(--s));
  border-bottom: 1px solid;
}
.c-viscosity__head .star {
  font-family: "Noto Sans JP";
  font-weight: 700;
  vertical-align: super;
  font-size: 0.5em;
}
.c-viscosity__row {
  display: flex;
  align-items: center;
  gap: 0;
  width: calc(1041 * var(--s));
  max-width: 94%;
  margin: calc(30 * var(--s)) auto 0;
}
.c-viscosity__left {
  width: 50%;
  flex: 1;
  min-width: 0;
}
.c-viscosity__points {
  padding-right: 2%;
  margin-top: calc(20 * var(--s));
  position: relative;
  left: -4%;
}
.c-viscosity__right {
  width: 50%;
  flex-shrink: 0;
}

/* HOW TO USE カード */
.c-howto {
  width: calc(1041 * var(--s));
  max-width: 94%;
  margin: calc(110 * var(--s)) auto 0;
  padding: 0 0 calc(60 * var(--s));
  border: 1px solid;
}
.c-howto__title {
  width: calc(322 * var(--s));
  margin: calc(-30 * var(--s)) auto calc(40 * var(--s));
  background: #f6f6f6;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 500;
  font-size: calc(50 * var(--s));
  line-height: 1;
  letter-spacing: 0.1em;
  text-align: center;
  padding: calc(4 * var(--s)) 0;
}
.c-howto__use {
  width: calc(966 * var(--s));
  max-width: 94%;
  margin: 0 auto calc(36 * var(--s));
}
.c-howto__cost {
  width: calc(898 * var(--s));
  max-width: 100%;
  margin: 0 auto calc(48 * var(--s));
}
.c-howto__video {
  width: calc(801 * var(--s));
  max-width: 88%;
  margin: 0 auto;
}
.c-howto__video iframe {
  object-fit: cover;
  display: block;
}
.c-tech-btn {
  margin-top: calc(40 * var(--s));
}

/* ============ 成分表 ============ */
.c-ingredients {
  padding: calc(110 * var(--s)) 0 0;
}
.c-ing-row {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: calc(80 * var(--s));
}
.c-ing-row__photo {
  width: calc(436 * var(--s));
  flex-shrink: 0;
}
.c-ing-row__text {
  width: calc(522 * var(--s));
  text-align: left;
  padding-bottom: calc(10 * var(--s));
}
.c-ing-row__heading {
  display: flex;
  line-height: 1.3;
  align-items: baseline;
  gap: calc(12 * var(--s));
}
.c-ing-row__heading .en {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 500;
  font-size: calc(39 * var(--s));
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.c-ing-row__heading .series {
  font-family: "Noto Sans JP";
  font-weight: 600;
  font-size: calc(25 * var(--s));
  letter-spacing: 0.1em;
}
.c-ing-row__title {
  font-weight: 600;
  line-height: 1.2;
  font-size: calc(40 * var(--s));
  letter-spacing: 0.05em;
  margin: calc(2 * var(--s)) 0 calc(16 * var(--s));
}
.c-ing-box {
  background: #f3f3f3;
  border: 1px solid;
  padding: calc(28 * var(--s));
  font-weight: 500;
  font-size: calc(25 * var(--s));
  line-height: 1.5;
  letter-spacing: 0.025em;
}

/* ============ Q&A ============ */
.c-faq {
  padding: calc(100 * var(--s)) 0 calc(10 * var(--s));
}
.c-faq__title {
  text-align: center;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 500;
  font-size: calc(40 * var(--s));
  letter-spacing: 0.12em;
  margin-bottom: calc(50 * var(--s));
}
.c-faq__list {
  width: calc(1100 * var(--s));
  max-width: 90%;
  margin: 0 auto;
  border-top: 1px solid var(--c-ink);
}
.c-faq__item {
  border-bottom: 1px solid var(--c-ink);
}
.c-faq__q {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: calc(24 * var(--s));
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  padding: calc(30 * var(--s)) calc(24 * var(--s));
  font-family: inherit;
  color: inherit;
}
.c-faq__q-mark,
.c-faq__a-mark {
  flex-shrink: 0;
  width: calc(44 * var(--s));
  height: calc(44 * var(--s));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 600;
  font-size: calc(22 * var(--s));
  color: #fff;
}
.c-faq__q-mark {
  background: var(--c-ink);
  margin-top: calc(-6.8 * var(--s));
}
.c-faq__a-mark {
  background: #286b91;
}
.c-faq__q-text {
  flex: 1;
  font-weight: 600;
  font-size: calc(19 * var(--s));
  letter-spacing: 0.06em;
  line-height: 1.6;
  margin-top: calc(2 * var(--s));
}
.c-faq__q-icon {
  position: relative;
  flex-shrink: 0;
  width: calc(24 * var(--s));
  height: calc(24 * var(--s));
  margin-top: calc(3.2 * var(--s));
}
.c-faq__q-icon::before,
.c-faq__q-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--c-ink);
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease;
}
.c-faq__q-icon::before {
  width: 100%;
  height: 1px;
}
.c-faq__q-icon::after {
  width: 1px;
  height: 100%;
}
.c-faq__item.is-open .c-faq__q-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.c-faq__a-wrap {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
}
.c-faq__item.is-open .c-faq__a-wrap {
  grid-template-rows: 1fr;
}
.c-faq__a-inner {
  overflow: hidden;
}
.c-faq__a {
  display: flex;
  align-items: flex-start;
  text-align: left;
  gap: calc(24 * var(--s));
  padding: 0 calc(24 * var(--s)) calc(34 * var(--s));
}
.c-faq__a-text {
  flex: 1;
  font-weight: 500;
  font-size: calc(16 * var(--s));
  line-height: 1.9;
  letter-spacing: 0.05em;
  margin: calc(4 * var(--s)) 0 0;
}

@media (max-width: 768px) {
  /* FV：ヒーロー写真＋ラベルを縦積み */
  .c-fv {
    width: 100%;
    height: auto;
    overflow: hidden;
    position: relative;
  }
  .c-fv__bg {
    position: static;
    width: 140%;
    margin: 0 0 0 -19%;
  }
  .c-fv__label {
    position: absolute;
    width: 41%;
    top: 58%;
    left: auto;
    right: 7%;
    transform: translateY(-50%);
  }

  /* CONCEPT */
  .c-concept {
    padding: 50px 0 56px;
  }
  .c-concept__title {
    margin-bottom: 28px;
  }
  .c-problem .c-row__photo {
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
  }
  .c-problem .c-row__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .c-reason {
    margin-top: 44px;
  }
  .c-reason .c-row__illust img+img {
    margin-top: 12px;
  }
  .c-risk {
    width: 92%;
    max-width: 92%;
    margin-top: 44px;
    padding: 36px 18px 40px;
  }
  .c-risk__head {
    margin-bottom: 20px;
  }
  .c-risk__body {
    flex-direction: column;
    gap: 20px;
  }
  .c-risk__photo,
  .c-risk__text {
    width: 100%;
  }

  /* Value */
  .c-value {
    padding: 52px 0;
  }
  .c-value__intro {
    margin-bottom: 36px;
  }
  .c-value__intro .jp-head {
    margin-bottom: 16px;
  }
  .c-value .c-row__photo {
    width: 84% !important;
    margin-inline: auto;
  }
  .c-value-row .jp-head {
    margin-bottom: 18px;
  }
  .c-value__divider {
    margin-bottom: 36px;
    width: 90%;
    max-width: 90%;
  }
  .c-value-box {
    width: 92%;
    max-width: 92%;
    padding: 32px 18px;
    margin-top: 50px;
  }
  .c-value-box__title {
    font-size: 19px;
    line-height: 1.4;
    margin-bottom: 26px;
  }
  .c-value-box__body {
    flex-direction: column;
    gap: 18px;
  }
  .c-value-box__photo,
  .c-value-box__text {
    width: 100%;
  }

  /* Video04 */
  .c-video04 {
    padding: 50px 0 56px;
  }
  .c-video04 .jp-head {
    font-size: 20px;
  }
  .c-video04__box {
    width: 90%;
    height: auto;
    margin-top: 28px;
  }

  /* Tech */
  .c-tech {
    padding: 52px 0;
  }
  .c-tech-overview {
    flex-direction: column;
    gap: 24px;
    margin-top: 28px;
  }
  .c-tech-overview__illust,
  .c-tech-overview__text {
    width: 100%;
    font-size: 15px;
    margin-inline: auto;
  }
  .c-tech-box {
    width: 90%;
    max-width: 90%;
    padding: 36px 5%;
    margin-top: 30px;
  }
  .c-tech-box__title {
    margin-bottom: 26px;
  }
  .c-tech-compare,
  .c-howto__use,
  .c-howto__cost {
    width: 100%;
    max-width: 100%;
    margin-bottom: 30px;
  }
  .c-compare-diagrams {
    gap: 34px;
    flex-direction: column;
    margin-bottom: 50px;
  }
  .c-compare-title--pc {
    display: none;
  }
  .c-compare-title--sp {
    display: block;
    margin-bottom: 20px;
  }
  .c-compare-items {
    flex-wrap: wrap;
    gap: 4vw 4%;
  }
  .c-compare-item {
    width: 48%;
    flex: none;
  }
  .c-compare-note {
    margin-top: 18px;
  }
  .c-compare-note img {
    width: 65%;
  }
  .c-viscosity {
    margin-bottom: 40px;
  }
  .c-viscosity__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    width: 100%;
    max-width: 100%;
  }
  .c-viscosity__left {
    width: 100%;
  }
  .c-viscosity__head {
    padding-bottom: 14px;
  }
  .c-viscosity__points {
    padding-right: 0;
    margin-top: 20px;
    left: 0;
  }
  .c-viscosity__right {
    width: 100%;
  }
  .c-tech-box__divider {
    width: 100%;
    max-width: 100%;
    margin: 46px auto 40px;
  }
  .c-howto {
    width: 100%;
    max-width: 100%;
    padding: 0 12px 36px;
  }
  .c-howto__title {
    width: 200px;
    font-size: 26px;
    margin: -16px auto 30px;
  }
  .c-howto__video {
    width: 100%;
    max-width: 100%;
    height: auto;
    margin-bottom: 0;
  }

  /* 成分表 */
  .c-ingredients {
    padding: 52px 0 0;
  }
  .c-ing-row {
    flex-direction: column;
    gap: 20px;
  }
  .c-ing-row__photo {
    width: 180px;
    margin: 0 auto;
  }
  .c-ing-row__text {
    width: 100%;
  }
  .c-ing-row__heading {
    gap: 8px;
    margin-bottom: 10px;
  }
  .c-ing-row__heading .en {
    font-size: 30px;
  }
  .c-ing-row__heading .series {
    font-size: 18px;
  }
  .c-ing-row__title {
    font-size: 28px;
    margin-bottom: 17px;
  }
  .c-ing-box {
    font-size: 16px;
    padding: 18px;
  }

  /* Q&A */
  .c-faq {
    padding: 46px 0 0;
  }
  .c-faq__title {
    font-size: 30px;
    margin-bottom: 24px;
  }
  .c-faq__list {
    width: 90%;
    max-width: 90%;
    margin: 0 auto;
  }
  .c-faq__q {
    gap: 12px;
    padding: 18px 10px;
  }
  .c-faq__q-mark,
  .c-faq__a-mark {
    width: 30px;
    height: 30px;
    font-size: 15px;
  }
  .c-faq__q-mark {
    margin-top: -2.2px;
  }
  .c-faq__q-text {
    font-size: 16px;
  }
  .c-faq__q-icon {
    width: 16px;
    height: 16px;
    margin-top: 4.8px;
  }
  .c-faq__a {
    gap: 12px;
    padding: 0 10px 20px;
  }
  .c-faq__a-text {
    font-size: 15px;
  }
}