* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
a {
  text-decoration: none;
  width: fit-content;
}
section {
  padding: 120px 0;
}
@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }
}
.inner1 {
  width: min(90vw, 1200px);
  margin: 0 auto;
}

.sec_title {
  font-weight: 500;
  font-size: 32px;
}
@media (max-width: 768px) {
  .sec_title {
    font-size: 20px;
  }
}
.desc {
  font-size: 14px;
  line-height: 2;
}
.t_center {
  text-align: center;
}
body {
  color: #18181b;
  background-color: #fff;
  font-family: "Zen Kaku Gothic New", sans-serif;
  line-height: 1.5;
  font-weight: 500;
  transition: background-color 0.8s ease;
}
body.is-voice {
  background-color: #f1f1f1; /* 好きな色に */
}
header {
  position: fixed;
  top: 0;
  z-index: 999;
  width: 100%;
}
.header {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 5vw;
  .spacer {
    flex: 1;
  }
}
.logo {
  width: min(30%, 100px);
  height: auto;
  aspect-ratio: 70/36;
}
nav {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav_menu {
  color: #fff;
  font-size: 14px;
  opacity: 0.8;
  transition: all 0.3s;
}
.nav_menu:hover {
  opacity: 0.5;
}
@media (max-width: 850px) {
  .sp_none {
    display: none;
  }
}
.cv_btn {
  background-color: #fff;
  display: block;
  padding: 16px 32px;
  border-radius: 100px;
  transition: all 0.3s;
  span {
    font-size: 14px;
    color: #18181b;
    display: flex;
    align-items: center;
    gap: 2px;
  }
  span::after {
    content: "";
    background: url(chevron-right.svg) center / contain no-repeat;
    width: 1.3em;
    aspect-ratio: 1/1;
  }
}
@media (max-width: 768px) {
  .cv_btn {
    padding: 12px 24px;
    span {
      font-size: 13px;
    }
  }
}
.cv_btn:hover {
  background-color: #18181b;
  span {
    color: #fff;
  }
  span::after {
    background: url(chevron-right-w.svg) center / contain no-repeat;
  }
}
.mv {
  width: 100%;
  height: min(100vh, 1000px);
  position: relative;
  z-index: 2;
  padding-top: 20vh;
}

/* 黒いオーバーレイ(既存)。スライダーより上、文字より下 */
.mv::after {
  content: "";
  background-color: #000;
  position: absolute;
  inset: 0;
  opacity: 0.3;
  z-index: -1;
}

/* ---------- 追加:背景スライダー ---------- */
.mv_swiper {
  position: absolute;
  inset: 0;
  z-index: -2; /* オーバーレイ(-1)より下 */
  pointer-events: none;
}

.mv_swiper .swiper-slide {
  overflow: hidden; /* 拡大した画像をはみ出させない */
}

.mv_swiper .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  /* 待機状態:少し左にずらして拡大 */
  transform: translateX(-1.5%) scale(1.1);
  transition: transform 7s 1s linear;
}

/* アクティブ時:右へ動きながら1.05倍へ(参考サイトと同じ) */
.mv_swiper .swiper-slide[class*="-active"] img {
  transform: translateX(1.5%) scale(1.05);
  transition-delay: 0s;
}

.text_area {
  margin-left: max(calc((100vw - 1350px) / 2), 5vw);
}
.mv_tag {
  border: 1px solid #fff;
  display: block;
  color: #fff;
  border-radius: 100px;
  padding: 10px 20px;
  width: fit-content;
  margin-bottom: 20px;
  font-size: 14px;
}
@media (max-width: 768px) {
  .mv_tag {
    padding: 8px 16px;
    margin-bottom: 10px;
    font-size: 12px;
  }
}
.mv_title {
  font-size: 66px;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 40px;
  font-weight: 700;
}
@media (max-width: 768px) {
  .mv_title {
    font-size: 48px;
    margin-bottom: 20px;
  }
}
.mv_desc {
  font-size: 16px;
  color: #fff;
  line-height: 2;
  margin-bottom: 40px;
}
@media (max-width: 768px) {
  .mv_desc {
    font-size: 14px;
    margin-bottom: 20px;
  }
}

.loop-slider {
  overflow: hidden;
  background: linear-gradient(to bottom, #eaeaea 80%, #fff 100%);
  .sec_title {
    margin-bottom: 20px;
  }
  .desc {
    margin-bottom: 120px;
  }
}
@media (max-width: 768px) {
  .loop-slider {
    .desc {
      margin-bottom: 60px;
    }
  }
}

.loop-swiper {
  pointer-events: none; /* クリック・ホバー・ドラッグを無効化 */
}

/* ★重要:等速で流すために linear 指定が必須 */
.loop-swiper .swiper-wrapper {
  transition-timing-function: linear !important;
}

.loop-swiper .swiper-slide {
  width: 400px; /* スライド1枚の幅 */
  aspect-ratio: 20 / 21;
  margin-right: 20px; /* ※spaceBetweenを使う場合は不要 */
}

.loop-swiper .swiper-slide img {
  width: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 768px) {
  .loop-swiper .swiper-slide {
    width: 240px;
  }
}

footer {
  width: 100%;
  background-color: #fff;
  font-size: 12px;
  padding: 10px 5vw;
  border-top: 0.5px solid #ddd;
  color: #aaa;
  display: flex;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  gap: 16px;
  margin-left: 18px;
}

.footer-links a {
  color: #aaa;
  font-size: 10px;
  font-weight: 500;
  text-decoration: underline;
  transition: all 0.3s;
}

.footer-links a:hover {
  opacity: 0.8;
}

@media (max-width: 768px) {
  footer {
    font-size: 10px;
  }

  .footer-links {
    gap: 10px;
    margin-left: 10px;
  }
}
.feature {
  height: calc(90vh * var(--count));
  height: calc(90svh * var(--count));
  position: relative;
  padding: 0;
  .sec_title {
    margin-bottom: 20px;
  }
  .desc {
    margin-bottom: 120px;
  }
}
@media (max-width: 768px) {
  .feature {
    height: calc(80vh * var(--count));
    height: calc(80svh * var(--count));
    .desc {
      margin-bottom: 60px;
    }
  }
}

.feature_sticky {
  position: sticky;
  top: 0;
  padding: 120px 0;
  display: flex;
  align-items: center;
}
@media (max-width: 768px) {
  .feature_sticky {
    padding: 90px 0 60px;
  }
}

.feature_inner {
  width: min(1200px, 90vw);
  margin: 0 auto;
}

.feature_text {
  display: grid;
  grid-template-columns: min(40%, 500px) minmax(0, 1fr);
  gap: 60px;
}
@media (max-width: 768px) {
  .feature_text {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.feature_list {
  margin-top: 32px;
  list-style: none;
  padding: 0;
}
@media (max-width: 768px) {
  .feature_list {
    margin-top: 10px;
    order: 2;
  }
}

.feature_item + .feature_item {
  margin-top: 16px;
}
@media (max-width: 768px) {
  .feature_item + .feature_item {
    margin-top: 12px;
  }
}

/* 見出し(ボタン) */
.feature_btn {
  appearance: none;
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  color: #ddd; /* デフォルト */
  cursor: pointer;
  transition: color 0.4s ease;
}
@media (max-width: 768px) {
  .feature_btn {
    font-size: 13px;
  }
}

.feature_item.is-active .feature_btn {
  color: #18181b; /* 現在の項目 */
  font-size: 18px;
  font-weight: 700;
}
@media (max-width: 768px) {
  .feature_item.is-active .feature_btn {
    font-size: 16px;
  }
}

@media (hover: hover) {
  .feature_item:not(.is-active) .feature_btn:hover {
    color: #aaa;
  }
}

/* 詳細文:高さ0から開く */
.feature_detail {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 0.5s ease, opacity 0.5s ease;
}

.feature_detail > p {
  overflow: hidden; /* 0frのとき中身を隠すために必須 */
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #555;
  max-width: 330px;
  transition: all 0.5s;
  .note {
    font-size: 8px;
    color: #bbb;
  }
}
@media (max-width: 768px) {
  .feature_detail > p {
    font-size: 13px;
  }
}

.feature_item.is-active {
  transition: all 0.5s;
}
.feature_item.is-active {
  margin: 40px 0;
}
.feature_item.is-active .feature_detail {
  grid-template-rows: 1fr;
  opacity: 1;
}

.feature_item.is-active .feature_detail > p {
  transform: translateX(6px);
  padding-top: 6px;
  margin-bottom: 16px;
}
@media (max-width: 768px) {
  .feature_item.is-active .feature_detail > p {
    margin-bottom: 10px;
  }
}

@media (hover: hover) {
  .feature_item:not(.is-active):hover {
    color: #aaa;
  }
}

/* ---------- 右:画像 ---------- */
.feature_images {
  position: relative;
  width: 100%;
  aspect-ratio: 7/5;
  border-radius: 10px;
  overflow: hidden;
}
@media (max-width: 768) {
  .feature_images {
    order: 1;
  }
}

.feature_img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-color: #d4d4d4; /* 仮のグレー。画像が入ったら不要 */
  opacity: 0;
  transition: opacity 0.6s ease;
}

.feature_img.is-active {
  opacity: 1;
}

/* 色の変化をなめらかに */
.nav_menu,
.logo img,
.cv_btn,
.cv_btn span {
  transition: color 0.3s, background-color 0.3s, filter 0.3s, opacity 0.3s;
}

/* ---------- 白い背景のセクション上 ---------- */
header.is-dark .nav_menu {
  color: #18181b;
}

/* ロゴ:白いSVGを黒に変える */
header.is-dark .logo img {
  filter: brightness(0);
}

/* ボタン:背景を#18181b、文字を白に */
header.is-dark .cv_btn {
  background-color: #18181b;
}
header.is-dark .cv_btn span {
  color: #fff;
}
header.is-dark .cv_btn span::after {
  background: url(chevron-right-w.svg) center / contain no-repeat;
}

/* ホバー:逆に白へ(白い背景では枠線をつけて見えるようにする) */
header.is-dark .cv_btn:hover {
  background-color: #fff;
  box-shadow: inset 0 0 0 1px #18181b;
}
header.is-dark .cv_btn:hover span {
  color: #18181b;
}
header.is-dark .cv_btn:hover span::after {
  background: url(chevron-right.svg) center / contain no-repeat;
}

.plan {
  padding-top: 0;
  .sec_title {
    margin-bottom: 120px;
  }
}
@media (max-width: 768px) {
  .plan {
    .sec_title {
      margin-bottom: 60px;
    }
    .inner1 {
      display: contents;
    }
  }
}
.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
@media (max-width: 768px) {
  .plan-grid {
    width: max-content;
    padding-inline: 5vw;
    gap: 20px;
    grid-template-columns: repeat(3, 320px);
  }
}
@media (max-width: 768px) {
  .plan-wrapper {
    overflow-x: auto;
    padding-bottom: 5vw;
    scroll-snap-type: x proximity;
    scroll-padding-inline: 5vw;
  }
}

.plan-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 450px;
  padding: 32px;
  border: 1px solid #ddd;
  border-radius: 14px;
  background: #fff;
}
@media (max-width: 768px) {
  .plan-card {
    scroll-snap-align: start;
  }
}

.plan-card-topline {
  display: flex;
  align-items: center;
  min-height: 28px;
}

.plan-card h3 {
  font-size: 24px;
}

.plan-card-note {
  margin-top: 8px;
  color: #aaa;
  font-size: 12px;
}

.plan-card-price {
  display: flex;
  align-items: baseline;
  gap: 7px;
  margin: 32px 0 16px;
}

.plan-card-price strong {
  font-family: "Roboto", sans-serif;
  font-size: clamp(2rem, 3vw, 2.6rem);
}

.plan-card-price span {
  font-size: 14px;
}

.plan-features {
  border-top: 1px solid #e4e4e7;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 16px;
}

.plan-feature {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
}

.plan-feature strong {
  font-weight: 700;
}
.plan-feature .is-disabled {
  color: #a1a1aa;
}

.plan-card-action {
  display: grid;
  gap: 10px;
  margin-top: auto;
  padding-top: 36px;
}

.plan .cv_btn {
  margin-top: 32px;
  border: 1px solid #18181b;
  border-radius: 1000px;
  background: #18181b;
  font: inherit;
  transition: all 0.3s;
  span {
    color: #fff;
    font-size: 14px;
  }
  span::after {
    background: url(chevron-right-w.svg) center / contain no-repeat;
  }
}

.plan .cv_btn:hover {
  background: #fff;
  span {
    color: #18181b;
  }
  span::after {
    background: url(chevron-right.svg) center / contain no-repeat;
  }
}

.plan-card-featured {
  border-color: #18181b;
}

.recommend-badge,
.trial-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 5px 10px;
  border: 1px solid #bbf7d0;
  border-radius: 999px;
  color: #15803d;
  background: #f0fdf4;
  font-size: 0.78rem;
  font-weight: 700;
}

.trial-label {
  justify-self: center;
}

/* .plan-card-premium {
  color: #fff;
  background: #18181b;
  border-color: #18181b;
}

.plan-card-premium .plan-card-note,
.plan-card-premium .plan-card-price span {
  color: #fff;
}

.plan-card-premium .plan-features,
.plan-card-premium .plan-feature {
  border-color: #3f3f46;
}

.plan-button-premium {
  color: #18181b;
  background: #fff;
  border-color: #fff;
}

.plan-button-premium:hover {
  background: #e4e4e7;
} */
.trial-plan {
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
}

.voice {
  .sec_title {
    margin-bottom: 120px;
  }
}
@media (max-width: 768px) {
  .voice {
    .sec_title {
      margin-bottom: 60px;
      margin-left: 5vw;
    }
    .inner1 {
      display: contents;
    }
  }
}
@media (max-width: 768px) {
  .voice-wrapper {
    overflow-x: auto;
    padding-bottom: 5vw;
    scroll-snap-type: x proximity;
    scroll-padding-inline: 5vw;
  }
}

.voice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
@media (max-width: 768px) {
  .voice-grid {
    width: max-content;
    padding-inline: 5vw;
    gap: 16px;
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 300px;
  }
}

.voice-card {
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 20px;
  padding: 32px;
  .desc {
    padding-top: 20px;
    border-top: 1px solid #ddd;
    margin-top: 20px;
  }
}

/* FAQ */
.faq {
  background: #fff;
  padding-top: 200px;
}

.faq-lede {
  margin-top: 16px;
  color: #777;
}

.faq-search {
  width: min(100%, 760px);
  margin: 48px auto 20px;
}

.faq-search-controls {
  display: flex;
  gap: 10px;
}

.faq-search input {
  min-width: 0;
  flex: 1;
  height: 52px;
  padding: 0 18px;
  border: 1px solid #d9d9dd;
  border-radius: 12px;
  color: #18181b;
  background: #fff;
  font: inherit;
  font-size: 14px;
  outline: none;
}

.faq-search input:focus {
  border-color: #18181b;
  box-shadow: 0 0 0 3px rgb(24 24 27 / 8%);
}

.faq-search button,
.faq-tags button {
  border: 1px solid #d9d9dd;
  color: #18181b;
  background: #fff;
  font: inherit;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.faq-search button {
  min-width: 92px;
  padding: 0 22px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
}

.faq-search button:hover,
.faq-tags button:hover {
  border-color: #18181b;
}

.faq-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 0 auto 60px;
}

.faq-tags button {
  padding: 8px 16px;
  border-radius: 999px;
  color: #66666e;
  font-size: 13px;
}

.faq-tags button.is-active {
  border-color: #18181b;
  color: #fff;
  background: #18181b;
}

.faq-list {
  width: min(100%, 900px);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid #dedee2;
  border-radius: 20px;
  background: #fff;
}

.faq-item + .faq-item {
  border-top: 1px solid #e7e7ea;
}

.faq-question {
  display: grid;
  grid-template-columns: 28px 1fr 26px;
  gap: 14px;
  align-items: center;
  padding: 24px 28px;
  color: #18181b;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-label {
  color: #18181b;
  font-family: "Roboto", sans-serif;
  font-size: 24px;
  letter-spacing: 0.08em;
}

.faq-toggle {
  justify-self: end;
  color: #777780;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 20px;
  font-weight: 300;
  line-height: 1;
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  padding: 0 40px 26px;
  color: #66666e;
  font-size: 14px;
  line-height: 2;
  .faq-label {
    font-size: 18px;
  }
}

.faq-answer p {
  margin: 0;
}

.faq-empty {
  padding: 36px 28px;
  color: #777780;
  text-align: center;
  font-size: 14px;
}

.faq-contact {
  margin: 24px auto 0;
  color: #777780;
  text-align: center;
  font-size: 13px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 768px) {
  .faq {
    padding-top: 120px;
  }
  .faq-search {
    margin-top: 32px;
  }

  .faq-search-controls {
    gap: 8px;
  }

  .faq-search input {
    height: 48px;
    padding-inline: 14px;
    font-size: 13px;
  }

  .faq-search button {
    min-width: 74px;
    padding-inline: 12px;
    font-size: 13px;
  }

  .faq-tags {
    justify-content: flex-start;
    margin-bottom: 20px;
  }

  .faq-tags button {
    padding: 7px 12px;
    font-size: 12px;
  }

  .faq-list {
    border-radius: 14px;
  }

  .faq-question {
    grid-template-columns: 24px 1fr 22px;
    gap: 10px;
    padding: 18px 16px;
    font-size: 13px;
  }

  .faq-answer {
    grid-template-columns: 24px 1fr;
    gap: 10px;
    padding: 0 16px 20px 50px;
    font-size: 13px;
    line-height: 1.8;
  }
}
@media (max-width: 768px) {
  .voice-card {
    scroll-snap-align: start;
    padding: 24px;
    .desc {
      padding-top: 16px;
      margin-top: 16px;
      font-size: 13px;
    }
  }
}
.icon-area {
  display: flex;
  gap: 20px;
  align-items: center;
  h3 {
    font-size: 16px;
    font-weight: 500;
  }
  span {
    font-size: 12px;
    color: #aaa;
    display: inline-block;
    margin-bottom: 4px;
  }
}
@media (max-width: 768px) {
  .icon-area {
    gap: 14px;
    h3 {
      font-size: 14px;
    }
    span {
      font-size: 10px;
    }
  }
}
.user-icon {
  width: 80px;
  height: auto;
  aspect-ratio: 1/1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background-color: #fbfbfb;
  overflow: hidden;
  flex-shrink: 0;
}
@media (max-width: 768px) {
  .user-icon {
    width: 50px;
  }
}
.user-icon.il {
  img {
    object-fit: cover;
    width: 100%;
    height: 100%;
    display: block;
  }
}