:root {
  --font-Montserrat: "Montserrat";
  font-family: var(--font-sans);
}
body {
  line-height: normal;
  font-weight: normal;
}

.main_fv {
  text-align: center;
  background: url("../orabio_brush/img/Orabio_bg.png") center/cover no-repeat;
  padding: 32px 0;
}
.fv {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
}

/* ====== FEATURES section====== */
.features {
  padding: 56px 16px 40px;
  background: url("./img/orabio_brush_bg1.png") center/cover no-repeat;
  font-family: "Noto Sans JP", sans-serif;
  color: #646567;
}

.features__inner {
  max-width: 1000px;
  margin: 0 auto;
}

.features__title {
  text-align: center;
  letter-spacing: 0.15em;
  font-weight: 500;
  font-size: clamp(22px, 3.6vw, 40px);
  color: #646567;
  margin: 0 0 43px;
  line-height: 1.4;
}
.features__title span {
  font-weight: 400;
  font-size: 0.6em;
  color: #646567;
}
.features__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  row-gap: 24px;
  column-gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}
.features__item {
  min-height: 120px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.features__icon {
  flex-shrink: 0;
  width: 180px;
  height: 180px;
  display: grid;
  place-items: center;
}
.features__icon img {
  max-width: 180px;
  height: auto;
}
.features__text {
  font-size: 25px;
  line-height: 1.6;
  font-weight: 500;
  color: #646567;
}
.features__text .accent {
  color: #0d386b;
  font-weight: 600;
}

/* ========== APPROACH section ========== */
.approach {
  padding: 56px 16px;
  background: #fff;
  color: #646567;
  font-family: "Noto Sans JP", sans-serif;
}

.approach__inner {
  max-width: 1000px;
  margin: 0 auto;
}
.approach__title {
  font-size: clamp(24px, 2.6vw, 36px);
  font-weight: 400;
  text-align: center;
  line-height: 1.6;
  margin-bottom: 32px;
}
.approach__accent {
  color: #0d386b;
  font-weight: 600;
  font-size: clamp(20px, 3.2vw, 48px);
}
.approach__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: flex-start;
}
.approach__imgwrap {
  display: flex;
  justify-content: center;
  align-items: center;
}
.approach__imgwrap img {
  width: 100%;
  height: auto;
  display: block;
}
.approach__cards {
  display: flex;
  flex-direction: column;
  gap: 25px;
}
.approach__card {
  position: relative;
  background: #f5f7f7;
  padding: 28px 20px 20px 20px;
  border-radius: 6px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}
.approach__num {
  position: absolute;
  top: -6%;
  left: -1%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 47px;
  height: 40px;
  padding: 0 5px;
  color: #fff;
  font-weight: 500;
  font-size: 28px;
  line-height: 1;
  background: #0d386b;
  clip-path: polygon(0 0, 100% 0, 86% 100%, 0 100%);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.1);
  font-family: serif;
}

.approach__head {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.6;
  border-bottom: 1px solid #a3a3a3;
}
.approach__head-main {
  color: #0d386b;
  font-weight: 600;
}
.approach__head-sub {
  font-size: 16px;
  color: #646567;
  font-weight: 400;
  padding-left: 10px;
}

.approach__text {
  font-size: 18px;
  line-height: 1.5;
  color: #646567;
}
/* ========== USAGE section ========== */
.usage {
  padding: 56px 16px;
  background: #fff;
  color: #646567;
  font-family: "Noto Sans JP", sans-serif;
  text-align: center;
}
.usage__inner {
  max-width: 1000px;
  margin: 0 auto;
}
.usage__title {
  font-size: clamp(24px, 2.2vw, 42px);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: #646567;
  line-height: 1.5;
  margin: 0 0 16px;
  text-align: center;
}
.usage__subtitle {
  display: block;
  font-size: 0.6em;
  font-weight: 400;
  color: #646567;
  letter-spacing: 0.15em;
  margin-top: 4px;
}
.usage__lead {
  font-size: 18px;
  line-height: 1.8;
  color: #646567;
  font-weight: 400;
  margin: 0 auto 32px;
  max-width: 800px;
}

.usage__steps {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 32px;
  text-align: center;
}

.usage__step {
  flex: 0 1 260px;
  max-width: 260px;
  color: #646567;
  font-size: 14px;
  line-height: 1.7;
  font-weight: 400;
}

.usage__icon {
  margin: 0 auto 16px;
  max-width: 200px;
}
.usage__icon img {
  width: 100%;
  height: auto;
  display: block;
}
.usage__text {
  font-size: 16px;
  line-height: 1.7;
  color: #646567;
  margin: 0;
}

.usage__note {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  background: #eef5f5;
  border-radius: 4px;
  padding: 16px 20px;
  max-width: 1000px;
  margin: 0 auto;
  text-align: left;
  line-height: 1.6;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.05);
  border: 1px solid #d8e3e3;
  font-size: 14px;
  color: #646567;
  align-items: center;
}

.usage__note-head {
  flex-shrink: 0;
  color: #00a8c0;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.6;
  padding-right: 16px;
  margin-right: 16px;
  border-right: 1px solid #a3a3a3;
}

.usage__note-body {
  flex: 1 1 auto;
  font-weight: 400;
  color: #646567;
  font-size: 16px;
  line-height: 1.7;
}

.pc {
  display: inline;
}
/* ===== 製品情報セクション ===== */
.pinfo {
  position: relative;
  padding: 56px 16px 64px;
  isolation: isolate;
  color: #646567;
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.6;
}
.pinfo__bg {
  position: absolute;
  inset: 0;
  background: #f6f7f8 url("./img/orabio_paste_pinfo.png") center/cover no-repeat;
  z-index: -1;
  opacity: 0.9;
}

.pinfo__inner {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.pinfo__hero {
  width: 100%;
  max-width: 400px;
  margin: 0 auto 16px;
}
.pinfo__hero-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}
.pinfo__title {
  text-align: center;
  letter-spacing: 0.15em;
  font-weight: 500;
  font-size: clamp(24px, 2.6vw, 42px);
  color: #646567;
  line-height: 1.4;
  margin: 0 0 28px;
}
.pinfo__title small {
  display: block;
  margin-top: 8px;
  font-size: 0.6em;
  font-weight: 400;
  color: #646567;
  letter-spacing: 0.15em;
}

.pinfo__card {
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.05);
  padding: 24px 24px 28px;
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
  color: #646567;
  font-size: 18px;
  line-height: 1.8;
}

.pinfo__line {
  display: block;
  padding: 12px 0 16px;
  border-bottom: 1px solid #bfc4c5;
}
.pinfo__line--last {
  border-bottom: none;
}

.pinfo__line--split {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
}

.pinfo__left {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: 40px;
  row-gap: 4px;
  max-width: 500px;
}

.pinfo__right {
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: 30px;
  row-gap: 4px;
  margin-left: 16px;
  white-space: nowrap;
}

.pinfo__label {
  color: #00a8c0;
  font-weight: 600;
  font-size: 20px;
  line-height: 1.4;
}

.pinfo__value {
  color: #646567;
  font-weight: 400;
  font-size: 18px;
  line-height: 1.8;
}

.pinfo__line:not(.pinfo__line--split) {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  column-gap: 40px;
}
.pinfo__line:not(.pinfo__line--split) .pinfo__label {
  flex-shrink: 0;
  white-space: nowrap;
}
.pinfo__line:not(.pinfo__line--split) .pinfo__value {
  flex: 1 1 auto;
  min-width: 0;
  word-break: break-word;
}
/* 比較セクション */
.compare {
  padding: 56px 16px 40px;
  font-family: "Noto Sans JP", sans-serif;
  color: #646567;
  text-align: center;
}

.compare__inner {
  max-width: 1000px;
  margin: 0 auto;
}

.compare__title {
  text-align: center;
  letter-spacing: 0.15em;
  font-weight: 500;
  font-size: clamp(22px, 3.6vw, 40px);
  color: #646567;
  margin: 0 0 43px;
  line-height: 1.4;
}
.compare__title span {
  font-weight: 400;
  font-size: 0.6em;
  color: #646567;
}
.compare_img {
  width: 100%;
  margin: 0 auto;
  max-width: 1000px;
}

/* 専門家セクション */
.experts {
  padding: 56px 16px;
}
.experts__inner {
  max-width: 1000px;
  margin: 0 auto;
}
.experts__banner {
  --tri: 20px;
  margin: 0 0 20px;
  padding: 12px 16px;
  text-align: center;
  background: #ecf6f6;
  border-radius: 10px;
  color: #646567;
  font-size: 24px;
  letter-spacing: 0.1em;
  position: relative;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}
.experts__banner b {
  color: #00a8c0;
}
.experts__banner::before,
.experts__banner::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(var(--tri) * -0.9);
  width: 0;
  height: 0;
  border-left: var(--tri) solid transparent;
  border-right: var(--tri) solid transparent;
}
.experts__banner::before {
  border-top: var(--tri) solid rgba(0, 0, 0, 0.06);
  bottom: calc(var(--tri) * -0.95);
}
.experts__banner::after {
  border-top: var(--tri) solid #ecf6f6;
}

/* セクションのリードテキスト（長文） */
.experts__intro {
  font-size: 15px;
  line-height: 1.9;
  color: #646567;
  margin: 32px 0;
}
.experts__intro p {
  margin: 0;
  font-weight: 400;
  text-align: left;
}

/* 下段2カラム全体 */
.experts__body {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: 24px;
}

/* 既存 .expert をベースに整える */
.expert {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #646567;
}

/* プロフィールヘッダ部（写真＋基本情報） */
.expert-head {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.expert-photo {
  flex-shrink: 0;
  width: 200px;
  border-radius: 4px;
  overflow: hidden;
  display: block;
}

.expert-photo img {
  width: 100%;
  height: auto;
  display: block;
}

.expert-info {
  flex: 1 1 auto;
  min-width: 0;
  color: #646567;
  font-size: 14px;
  line-height: 1.6;
  max-width: 450px;
}

.chips {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.4;
}
.chip,
.chip--link,
.chip_text {
  display: inline-block;
  font-size: 13px;
  line-height: 1.4;
  color: #00a8c0;
  font-weight: 600;
  margin-right: 8px;
}
.experts__banner-accent {
  color: #00a8c0;
  font-weight: 700;
}
.chip_text {
  color: #646567;
  font-weight: 400;
  margin: 0 0 8px;
}

.name {
  margin: 0 0 8px;
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 500;
  line-height: 1.4;
  color: #646567;
  letter-spacing: 0.06em;
}
.role {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.6;
  color: #646567;
  word-break: break-word;
}

.expert-comment {
  font-size: 14px;
  line-height: 1.8;
  color: #646567;
  word-break: break-word;
}

.experts__pet {
  flex: 0 0 auto;
  width: 260px;
  max-width: 100%;
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.experts__pet-photo-wrap {
  position: relative;
}

.experts__pet-photo {
  width: 185px;
  max-width: 100%;
  margin: 0;
}
.experts__pet-photo img {
  display: block;
  width: 100%;
  height: auto;
}
.experts__badge img {
  position: absolute;
  top: 0%;
  left: -90%;
  width: 170px;
  height: auto;
}

.experts__badge-text {
  margin: 0;
  padding: 16px;
}
.experts__badge-stars {
  position: absolute;
  bottom: 8px;
  right: 8px;
  font-size: 10px;
  line-height: 1;
  color: #00a8c0;
  font-weight: 600;
  letter-spacing: 0.1em;
}
/* ===== CTASection ===== */
.cta-purchase {
  background: #ecf6f6;
  color: #646567;
}
.cta__inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px 0;
}
.cta__text p {
  margin: 0 0 12px;
  line-height: 1.9;
  font-size: 18px;
}
.cta__illust {
  margin: 0;
}
.cta__illust img {
  display: block;
  height: auto;
  max-width: 200px;
}
.btn-grad {
  --c1: #00a5bf;
  --c2: #0e77ba;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 260px;
  height: 52px;
  padding: 0 22px;
  color: #fff !important;
  text-decoration: none !important;
  background: linear-gradient(90deg, var(--c1), var(--c2));
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(14, 119, 186, 0.25);
  overflow: hidden;
  font-size: 18px;
}

/* ホバー演出*/
.btn-grad::after {
  content: "";
  position: absolute;
  inset: -40% -20%;
  background: linear-gradient(
    115deg,
    transparent 35%,
    rgba(255, 255, 255, 0.6) 50%,
    transparent 65%
  );
  transform: translateX(-120%);
  transition: transform 1.5s ease;
}
.btn-grad:hover::after {
  transform: translateX(120%);
}

.arr {
  font-size: 20px;
  line-height: 1;
}

/* アニメーション */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0.65, 0.2, 1);
  will-change: transform, opacity;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.reveal[data-ani="up"] {
  transform: translateY(22px);
}
.reveal[data-ani="left"] {
  transform: translateX(-22px);
}
.reveal[data-ani="right"] {
  transform: translateX(22px);
}
.reveal[data-ani="scale"] {
  transform: scale(0.98);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
}
.reveal[data-ani="left"] {
  transform: translateX(-22px);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
[data-stagger] > .reveal {
  transition-delay: calc(var(--i, 0) * 110ms);
}
.sp_br {
  display: none;
}
.experts__intro_sp {
  display: none;
}
@media (max-width: 768px) {
  .sp_br {
    display: block;
  }
  .pc {
    display: none;
  }
  .main_fv {
    padding: 0;
  }
  /* featuresセクション */
  .features__title {
    margin: 0 0 24px;
  }
  .features__list {
    grid-template-columns: 1fr;
    gap: 0px;
  }
  .feat-card__illust {
    width: 110px;
  }
  .features__icon {
    width: 100px;
    height: 100px;
  }
  .features__icon img {
    max-width: 100px;
  }
  .features__text {
    font-size: 18px;
    margin: 0;
  }
  .features__item {
    gap: 24px;
  }
  /* アプローチセクション */
  .approach {
    padding: 48px 16px 0;
  }
  .approach__grid {
    gap: 24px;
  }

  .approach__card {
    padding: 24px 18px;
  }
  .approach__num {
    font-size: 24px;
    height: 40px;
    min-width: 44px;
  }
  .approach {
    padding: 40px 16px;
  }
  .approach__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .approach__title {
    font-size: 18px;
    text-align: center;
    margin-bottom: 24px;
  }
  .approach__head-main {
    font-size: 18px;
  }
  .approach__card {
    padding: 22px 16px 16px;
  }
  .approach__text {
    font-size: 14px;
  }
  /* usageセクション */
  .usage {
    padding: 20px 16px 40px;
    text-align: center;
  }

  .usage__title {
    font-size: 22px;
    margin-bottom: 24px;
  }
  .usage__subtitle {
    font-size: 0.6em;
  }
  .usage__lead {
    font-size: 13px;
    line-height: 1.7;
    margin: 0 auto 24px;
  }

  .usage__steps {
    align-items: start;
    gap: 8px;
  }

  .usage__step {
    max-width: 260px;
    flex: 0 1 auto;
    font-size: 13px;
    text-align: center;
    width: 33%;
  }

  .usage__icon {
    max-width: 200px;
    padding: 0px;
  }

  .usage__text {
    font-size: 12px;
    line-height: 1.5;
  }

  .usage__note {
    text-align: left;
    font-size: 13px;
    line-height: 1.7;
    padding: 10px;
  }

  .usage__note-head {
    padding-right: 10px;
    padding-top: 15px;
    margin-right: 10px;
    height: 50px;
    align-items: center;
  }

  .usage__note-body {
    font-size: 12px;
    line-height: 1.5;
  }
  .pc {
    display: none;
  }
  .cta__inner {
    grid-template-columns: 1fr;
    text-align: left;
  }
  .cta__illust img {
    width: 200px;
    margin-left: auto;
  }

  .name {
    font-size: 22px;
  }
  /* 製品情報セクション */
  .pinfo__grid {
    grid-template-columns: 1fr;
  }
  .pinfo__row {
    grid-template-columns: 120px 1fr;
  }
  .pinfo__line {
    padding: 10px 0;
  }
  .pinfo__left {
    border-bottom: 1px solid #bfc4c5;
    width: 100%;
    padding-bottom: 10px;
  }
  .pinfo {
    padding: 40px 16px 48px;
  }

  .pinfo__hero {
    max-width: 320px;
    margin-bottom: 12px;
  }

  .pinfo__title {
    font-size: 20px;
    margin-bottom: 24px;
  }

  .pinfo__card {
    border-radius: 4px;
    padding: 20px 16px 20px;
    font-size: 14px;
    line-height: 1.7;
  }

  .pinfo__line--split {
    flex-direction: column;
    align-items: flex-start;
    row-gap: 8px;
  }

  .pinfo__right {
    margin-left: 0;
  }

  .pinfo__label,
  .pinfo__value {
    font-size: 14px;
    line-height: 1.6;
  }

  .pinfo__line:not(.pinfo__line--split) {
    flex-direction: row;
  }

  .pinfo__line:not(.pinfo__line--split) .pinfo__label {
    white-space: nowrap;
  }
  /* 比較セクション */
  .compare {
    padding: 56px 0px 0px;
  }
  .compare__title {
    margin: 0 0 24px;
  }
  .compare_img {
    width: 100%;
  }
  /* 専門家セクション */
  .experts {
    padding: 40px 16px 48px;
  }
  .experts__body {
    display: block;
  }
  .experts__intro_sp {
    display: block;
  }
  .experts__intro_pc {
    display: none;
  }
  .experts__banner-inner {
    font-size: 16px;
  }
  .experts__banner-tip {
    border-left-width: 10px;
    border-right-width: 10px;
    border-top-width: 10px;
  }
  .experts__intro {
    font-size: 13px;
    line-height: 1.7;
  }
  .expert-head {
    flex-wrap: nowrap;
  }
  .expert-head {
    grid-template-columns: 105px 1fr;
    gap: 8px;
    padding: 0px;
    align-items: center;
  }
  .expert-photo {
    width: 105px;
    height: auto;
  }
  .experts__banner {
    line-height: 1.5;
    white-space: nowrap;
  }
  .role {
    font-size: 10px;
  }
  .chip_text {
    margin: 0 0 5px;
  }
  .name {
    font-size: 16px;
  }
  .expert-comment {
    font-size: 10px;
    line-height: 1.5;
  }
  .experts__pet {
    width: 100%;
  }
  .experts__pet-photo {
    width: 220px;
  }
  .experts__badge {
    font-size: 11px;
  }
  .experts__badge-text {
    padding: 12px;
  }
  .experts__badge-stars {
    font-size: 9px;
  }
  .experts__pet-photo-wrap {
    display: flex;
    flex-direction: row-reverse;
    gap: 10px;
    justify-content: center;
    align-items: center;
  }
  .experts__badge img {
    position: static;
    width: 150px;
    align-items: center;
  }
  .cta__inner {
    display: flex;
    flex-direction: column-reverse;
    justify-content: center;
    text-align: center;
    gap: 0;
    padding-bottom: 24px;
  }
  .cta__illust img {
    width: 200px;
    margin-left: auto;
  }
  .cta__text p {
    font-size: 16px;
  }
}

@media print {
  .only-screen {
    display: none;
  }
}