:root {
  --font-Montserrat: "Montserrat";
  font-family: var(--font-sans);
}
body {
  line-height: normal;
  font-weight: normal;
}
.fv {
  width: 100%;
}
/* ====== FEATURES section====== */
.features {
  padding: 0px 16px 40px;
}
.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;
}
.features__title span {
  font-weight: 400;
  font-size: 0.6em;
  color: #646567;
}
.features__body {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}
.features__text {
  flex: 1;
  min-width: 0;
  color: #646567;
  line-height: 1.9;
  letter-spacing: 0.05em;
  font-weight: 400;
}

.features__lead {
  font-size: clamp(16px, 3.2vw, 30px);
  font-weight: 500;
  line-height: 1.6;
  margin: 0 0 20px;
  letter-spacing: 0.01em;
}

.features__para {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.5;
  color: #646567;
}
.features__para2 {
  font-size: 16px;
  line-height: 1.5;
  color: #646567;
}
.features__para2 p {
  margin: 0;
}

.features__emp1 {
  color: #00a8c0;
  font-weight: 600;
  font-size: 32px;
}
.features__emp2 {
  color: #00a8c0;
  font-weight: 600;
  font-size: 32px;
}

.features__media {
  flex-shrink: 0;
  width: 260px;
  text-align: center;
  position: relative;
}

.features__img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}
/* 歯ブラシセクション */
.brush {
  background: url("./img/orabio_brush_bg1.png") center/cover no-repeat;
  padding: 0px 0 60px;
}
.brush_content {
  display: flex;
  justify-content: center;
  text-align: center;
  padding-top: 24px;
}
.burush_img {
  width: 100%;
  max-width: 900px;
}
/* 歯ブラシケースセクション */
.toothbrush-case {
  padding: 40px 20px;
  max-width: 900px;
  margin: 60px auto;
  color: #646567;
  font-family: "Noto Sans JP", sans-serif;
}
.toothbrush-case__title {
  text-align: center;
  font-size: 42px;
  margin-bottom: 30px;
  letter-spacing: 0.1em;
}
.sec-head__title {
  font-size: 40px;
  margin: 0;
  font-weight: 500;
  margin-bottom: 10px;
}
.sec-head {
  text-align: center;
  margin: 0 auto 24px;
  border-bottom: 1px solid #cfcfcf;
  max-width: 100%;
}
.case-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.case-item {
  text-align: center;
  max-width: 1000px;
  width: 100%;
}
.case-item img {
  width: 100%;
  height: auto;
  display: block;
}
.case-label {
  margin-top: 8px;
  font-size: 16px;
}
.case-notes {
  margin: 0 auto 20px;
  max-width: 600px;
  list-style: none;
  padding: 0;
  line-height: 1.8;
}
.case-caption {
  text-align: center;
  margin: 30px 0 50px;
  line-height: 1.8;
  font-size: 16px;
}
.illustrator {
  display: flex;
  gap: 20px;
  max-width: 1000px;
}
.illustrator__photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
}
.illustrator__text {
  flex: 1;
}
.illustrator__name {
  font-weight: 600;
  font-size: 32px;
  margin: 0;
}
.illustrator__desc {
  font-size: 20px;
  line-height: 1.5;
}
/* LINEUPセクション */
.lineup {
  padding: 0px 16px 40px;
  color: #646567;
  font-family: "Noto Sans JP", sans-serif;
}
.lineup__inner {
  max-width: 1000px;
  margin: 0 auto;
}
.lineup-head {
  text-align: center;
  margin: 0 0 43px;
  color: #646567;
  letter-spacing: 0.15em;
}
.lineup-head__title {
  font-weight: 500;
  font-size: clamp(22px, 3.6vw, 40px);
  line-height: 1.4;
  margin: 0;
  color: #646567;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.lineup-head__sub {
  font-weight: 400;
  font-size: 0.6em;
  color: #646567;
  line-height: 1.4;
  letter-spacing: 0.15em;
  margin-top: 8px;
}
.lineup-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.lineup-card {
  background: #f4f9f8;
  border-radius: 6px;
  padding: 20px;
  color: #646567;
  font-size: 14px;
  line-height: 1.6;
}
.lineup-card__title {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  color: #646567;
  margin: 0 0 16px;
  letter-spacing: 0.05em;
  text-align: center;
}
.lineup-card__img {
  text-align: center;
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}
.lineup-card__img img {
  max-width: 100%;
  height: auto;
  display: inline-block;
  max-height: 220px;
}
.lineup-card__note {
  font-size: 14px;
  line-height: 1.5;
  color: #646567;
  text-align: center;
  margin: 0;
  letter-spacing: 0.03em;
}
.lineup-case {
  background: #f4f9f8;
  border-radius: 6px;
  padding: 20px;
  color: #646567;
  font-size: 14px;
  line-height: 1.6;
}
.lineup-case__head {
  text-align: center;
  margin-bottom: 16px;
}
.lineup-case__title {
  font-size: 18px;
  line-height: 1.5;
  font-weight: 500;
  color: #646567;
  margin: 0;
  letter-spacing: 0.05em;
}
.lineup-case__img {
  text-align: center;
  margin-bottom: 16px;
}
.lineup-case__img img {
  max-width: 100%;
  height: auto;
  display: inline-block;
}
.lineup-case__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-start;
  justify-content: center;
  color: #646567;
  margin-left: auto;
  max-width: 780px;
}

.lineup-case__price {
  flex: 0 0 auto;
  font-size: 16px;
  line-height: 1.5;
  margin: 0;
  text-align: center;
  letter-spacing: 0.03em;
  color: #646567;
}

.lineup-case__notes {
  flex: 1 1 260px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 16px;
  line-height: 1.6;
  color: #646567;
}
.lineup-case__notes li {
  margin: 0 0 4px;
}
/* ===== CTASection ===== */
.cta-purchase {
  background: #ecf6f6;
  color: #646567;
  font-family: var(--font-Montserrat);
}
.cta__inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
}
.cta__text p {
  margin: 0 0 12px;
  line-height: 1.9;
  font-size: 18px;
}
.cta__illust img {
  display: block;
  height: auto;
  max-width: 170px;
}
.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);
}

@media (max-width: 768px) {
  .features__body {
    flex-direction: column-reverse;
    align-items: center;
  }

  .features__media {
    width: 300px;
    margin-top: 24px;
  }
  .features__title {
    margin: 0;
  }
  .features__text {
    font-size: 15px;
    line-height: 1.8;
  }
  .features__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .feat-card__illust {
    width: 110px;
  }

  .features__lead {
    text-align: center;
    font-size: 20px;
  }
  .features__emp1{
    font-size: 24px;
  }
    .features__emp2{
    font-size: 24px;
  }
  .brush_content {
    justify-content: center;
    text-align: center;
    margin-left: 20px;
  }
  .brush {
    padding: 60px 0;
  }
  .sec-head__title{
    font-size: 22px;
  }
  .case-items {
    flex-direction: column;
    align-items: center;
  }
  .case-item{
    margin: 0;
    width: 100%;
  }
  .lineup-cards {
    grid-template-columns: 1fr;
  }
  .lineup-case__meta {
    flex-direction: column;
    text-align: center;
  }
  .lineup-case__notes {
    text-align: left;
    max-width: 360px;
    margin: 0 auto;
  }
  .toothbrush-case{
    margin: 20px auto;
    padding: 20px;
  }
  .illustrator__photo{
    width: 100px;
    height: 100px;
  }
  .illustrator {
    flex-direction: row;
    text-align: center;
    margin-top: 24px;
    gap: 10px;
    text-align-last: left;
    align-items: center;
  }
  .illustrator__name{
    font-size: 22px;
  }
  .illustrator__desc{
    font-size: 12px;
  }
  .burush_img{
    width: 90%;
  }
  .lineup-case__notes{
    flex: 1 1 ;
  }
  .lineup-card__img img{
        max-height: 240px;
  }
  .lineup-case__price{
    margin: 0 auto;
  }
  .lineup{
    padding: 0px 16px 40px;
  }
  .name {
    font-size: 22px;
  }
  .cta__inner {
display: flex;
flex-direction: column-reverse;
    text-align: left;
    text-align: center;
    padding: 16px 0;
  }
  .cta__illust img {
    width: 200px;
    margin-left: auto;
  }
}
@media print {
  .only-screen {
    display: none;
  }
}