/*--共通--*/
body {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 16px;
  color: #333;
  background-color: #ebeddf;
}
img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}
a {
  text-decoration: none;
  color: inherit;
}

.wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/*--メインビジュアル--*/
.mv {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 600px;
  background-image: url(../img/about_top.png);
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}
.mv__titleArea {
  color: #fff;
  text-align: center;
}
.mv__title {
  font-size: 80px;
  font-weight: bold;
  line-height: 1;
  text-shadow: 0 4px 6px rgb(0 0 0 / 25%);
  margin-bottom: 10px;
}
.mv__subtitle {
  font-size: 24px;
  line-height: 1;
  letter-spacing: 0.1em;
}
/*--メインビジュアル：トレーナー--*/
.mv-trainer {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 600px;
  background-image: url(../img/trainer_top.png);
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  margin-bottom: 70px;
}
/*--メインビジュアル：姿勢の形成--*/
.mv-shisei {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 600px;
  background-image: url(../img/shisei_top.png);
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  margin-bottom: 70px;
}


/*--BTKとは--*/
.BTK-about {
  max-width: 80%;
  margin: 40px auto;
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

.BTK-about-title {
  font-size: 50px;
}
.BTK-about-subtitle {
  font-size: 30px;
  margin-top: -2rem;
  color: #7ed957;
  font-weight: bold;
  margin-bottom: 4rem;
}
.BTK-about-text-inner {
  position: relative;
}
.BTK-about-img {
  margin: -38rem auto 0 auto;
  z-index: auto; 
}
.BTK-about-text {
  max-width: 45%;
  font-size: clamp(10px, 1.5vw, 19px);
  letter-spacing: 0.05rem;
  z-index: -1;
  margin-left: 2rem;
  margin-bottom: 30rem;
}
/*--BTKとは:PC非表示--*/
.about-img-desktop {
  display: block;
  width: 100%;
  height: auto;
}
.about-img-mobile {
  display: none;
}

/*--プロフィール--*/
.profile {
  max-width: 1200px;
  margin: 0 auto;
}
.profile-box {
  display: flex;
  align-items: center;
}
.profile-name-box {
  text-align: right;
}
.profile-trainer {
  flex: 5;
  align-items: center;
}
.profile-trainer img {
  width: 100%;
  max-width: 500px;
  height: auto;
}

/*--プロフィール：プロフィール部分--*/
.profile-text-box {
  flex: 5;
  margin-left: -6rem;
}
.profile-name-title {
  font-size: 35px;
  margin-bottom: -20px;
}
.profile-name-subtitle01 {
  margin-bottom: -20px;
}

/*--プロフィール部分：プロフィールテキスト--*/
.profile-section {
  margin-left: 30px;
}
.profile-section-title {
  font-size: 24px;
}
.profile-section-list {
  font-size: 18px;
  margin-top: -1.5rem;
}
.profile-section-list-none {
  list-style: none;
  padding-left: 0;
  margin: 0;
  font-size: 22px;
}
.profile-section-title {
  background-color: #aed768;
  padding-inline: 10px;
  padding-top: .5px;
  padding-bottom: .5px;
}

/*--コンセプト--*/
.Concept-title {
  font-family: 'Playfair Display', serif;
  font-size: 70px;
  text-align: center;
}
.Concept-subtext {
  width: 100%;
  flex: 1;
  font-family: 'Playfair Display', serif;
  font-size: 25px;
  font-weight: bold;
  list-style: none;
  padding-left: 0;
  margin: 0;
  margin-left: 10rem;
}
.Concept-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-bottom: 5rem;
}
.Concept-img {
  flex: 1;
}

/*--10年の指導経験を経て--*/
.BTK-Comment-box {
  max-width: 80%;
  margin: 40px auto;
  border: 1px solid #999;
  padding: 20px;
  border-radius: 8px;
}
.BTK-Comment-title {
  font-size: 35px;
  font-weight: bold;
  letter-spacing: 0.05rem;
  margin-bottom: 3rem;
  margin-left: 1rem;
}
.BTK-Comment-subtitle {
  font-size: 23px;
  font-weight: normal;
  margin-bottom: 25px;
  letter-spacing: 0.05rem;
}
.BTK-Comment-red {
  color: #d80000;
  font-weight: bold;
}

/*--当ジムの特徴--*/
.BTK-Features-title h2 {
  font-size: 48px;
  text-align: center;
}
.BTK-Features-inner {
  max-width: 80%;
  margin: 40px auto;
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}
.BTK-Features-subtitle {
  padding-left: 1rem;
  border-left: 6px solid #333;
}
.BTK-Features-subtitle-text {
  font-size: 43px;
}
.BTK-Features-box {
  display: flex;
  align-items: center;
}
.box-left {
  flex: 3;
}
.box-right {
  flex: 7;
  margin-left: 30px;
}
.BTK-Features-text01 {
  font-size: 23px;
  letter-spacing: 0.05rem;
}
.BTK-Features-text02 {
  font-size: 23px;
  letter-spacing: 0.05rem;
}
.BTK-Features-container01 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
}
.BTK-Features-box02 {
  display: flex;
  align-items: center;
  gap: 30px;
}
.box-left02 {
  flex: 7;
}
.box-right02 {
  flex: 3;
}
.BTK-Features-img03-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  max-width: 600px;
  margin: 3rem auto;
  align-items: center;
}

/*--呼吸機能の最大化--*/
.BTK-Features-img04 {
  text-align: center;
}
.BTK-Features-text03 {
  font-size: 23px;
  letter-spacing: 0.05rem;
  margin-bottom: 5rem;
}
.BTK-Features-img05 {
  margin-bottom: 5rem;
}

/*--当ジムで解決できること--*/
.solution-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  max-width: 1100px;
  margin: 40px auto;
  padding: 0 20px;
}
.solution-container-grid {
  position: relative;
  overflow: hidden;
}
.solution-box img {
  width: 100%;
  height: auto;
  display: block;
}
.solution-box-text {
  position: absolute;
  top: 0;
  left: 0;
  padding: 20px;
  color: #fff;
  width: 100%;
  box-sizing: border-box;
}
.solution-text-title {
  font-size: clamp(17px, 2vw, 30px);
  font-weight: bold;
  margin-bottom: 10px;
  text-align: center;
}
.solution-text-subtitle {
  font-size: clamp(12px, 1.5vw, 20px);
  line-height: 1.6;
  font-weight: bold;
  text-align: left;
  justify-content: space-between;
  width: 90%;
  margin-left: 20px;
}

/*--代表の想い--*/
.Thoughts-title {
  font-size: 42px;
  text-align: center;
}
.Thoughts-text-box01,
.Thoughts-text-box02 {
  font-size: 23px;
  margin-bottom: 7rem;
}
.Thoughts-text-box02 {
  text-align: right;
}
.Thoughts-text-stlong {
  font-weight: bold;
}

/*--姿勢の形成：説明文--*/
.shisei-introduction-box {
  background-color: #fff;
  padding: 2rem;
  margin: 40px auto;
  max-width: 100%;
  font-size: 20px;
  line-height: 1.8;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2); /* 下に落ちる影を再現 */
  border-radius: 6px;
}

/*--姿勢の形成：アプローチポイント--*/
.shisei-pointo-title {
  font-size: 24px;
  font-weight: bold;
  letter-spacing: 0.05rem;
  margin-bottom: 3rem;
  margin-left: 1rem;
}
.shisei-pointo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 30px;
  margin: 40px 0;
} 
.shisei-pointo-box-inner {
  display: flex;
  text-align: center;
  align-items: center;
}
.shisei-pointo-box {
  background-color: #fff;
  padding: 20px;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  text-align: center;
}
.shisei-pointo-subtitle {
  width: 100%;
  text-align: center;
  font-size: 20px;
}
.shisei-pointo-text {
  font-size: 19px;
  text-align: left;
}

/*--アプローチの具体例--*/
.shisei-approach-container {
  max-width: 100%;
  margin: 40px auto;
  background-color: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}
.shisei-approach-box {
  display: grid;
  grid-template-columns: repeat(11, 1fr);
  align-items: stretch; 
  align-items: center;
  gap: 20px;
  margin-bottom: 3rem;
}
.sorigoshi-box {
  background-color: #e7f4e5;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  grid-column: span 3; /* boxを3列分使って横長に */
  height: 100%;
}
.sorigoshi-video {
  width: 100%;
  background-color: #e6f5e9;
  overflow: hidden;
}
.sorigoshi-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.shisei-approach-smalltitle {
  font-size: 20px;
  font-weight: bold;
  color: #00bf63;
  margin-bottom: -2rem;
}
.shisei-approach-title {
  font-size: 27px;
}
.sorigoshi-text {
  padding: 0 10px;
}
.sorigoshi-title {
  font-weight: bold;
  font-size: 23px;
  margin-bottom: 2px;
  margin-left: 10px;
}

.sorigoshi-text {
  font-size: 18px;
}

.sorigoshi-triangle {
  display: flex;
  align-items: center;
  justify-content: center;
  grid-column: span 1; /* 矢印1列分 */
}
.sorigoshi-triangle img {
  width: 30px;
  height: auto;
}

/*--その他アプローチの具体例--*/
.shisei-about-containner {
  max-width: 100%;
  margin: 40px auto;
  background-color: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}
.shisei-about-box {
  display: flex;
  align-items: stretch;
  background-color: #d7ecd0;
  gap: 30px;
  position: relative;
}

.shisei-about-inner {
  flex: 1;
  position: relative;
  z-index: 2;
  margin-right: -60px;
}

.shisei-about-subtitle h4 {
  font-size: 30px;
  margin-left: 3rem;
}

.shisei-about-list {
  background-color: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  margin-left: 3rem;
}

.shisei-about-list li {
  font-size: 20px;
  line-height: 2;
  margin-bottom: 10px;
}

.shisei-about-img {
  width: 40%; 
  position: relative;
  z-index: 1;
}

.shisei-about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/*--フッター--*/
.footer {
  padding: 2rem 1rem 1rem;
  background: #fff;
}
.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 960px;
  margin: 0 auto 3rem;
}
.footer-logo {
  width: 100px;
  height: 70px;
}
.footer-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.footer-item {
  display: flex;
  list-style: none;
  padding: 0; 
}
.footer-list {
  padding-left: 1.5rem;
}
.footer-list a {
  font-weight: bold;
  color: #333;
  font-size: 1.5rem;
}
.footer-list a:hover {
  color: #6699cc;
}
.copyright {
  text-align: center;
  color: #333;
}



/* スマホ画面での表示制御 */
@media screen and (max-width: 768px) {

  /*--タイトル--*/
  .mv__title {
    font-size: 40px;
    font-weight: bold;
    line-height: 1;
    text-shadow: 0 4px 6px rgb(0 0 0 / 25%);
    margin-bottom: 10px;
  }
  .mv__subtitle {
    font-size: 19px;
    line-height: 1;
    letter-spacing: 0.1em;
  }
  .mv_mobile {
    font-size: 30px;
  }

  /*--ハンバーガー--*/
  .nav-line-btn {
    margin-top: 20px;
  }
  .header-inner {
    position: relative;
  }
  .hamburger-menu {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
  }

  .nav {
    display: none;
    width: 90%;
  }

  .nav.open {
    display: block;
  }

  .nav ul {
    flex-direction: column;
    gap: 16px;
    background-color: #fff;
    padding: 10px 20px;
    margin-top: 60px; 
  }
  .line-button {
    order: 2;
    margin-right: 90px;
  }
  .hamburger-menu {
    order: 3; 
  }
  .line-reseve {
    color: white !important;
  }

  /*--BTKとは：スマホ表示--*/
  .about-img-desktop {
    display: none;
  }
  .about-img-mobile {
    display: block;
    margin-top: 20px;
  }
  .about-img-mobile img {
    width: 100%;
    height: auto;
    margin-bottom: 16px;
  }

  /*--BTKとは--*/
  .BTK-about-title {
    font-size: 33px;
    margin-bottom: 3rem;
  }
  .BTK-about-subtitle {
    font-size: 18px;
    margin-top: -2rem;
    color: #7ed957;
    font-weight: bold;
    margin-bottom: 4rem;
  }
  .BTK-about-text-inner {
    position: none;
   }
  .BTK-about-img {
    position: none;
    margin: 0 auto;
    z-index: 0;
    margin-top: -30rem;
  }
  .BTK-about-text {
    max-width: 100%;
    font-size: 16px;
    font-weight: normal;
    letter-spacing: 0.05rem;
    z-index: 0;
    margin-left: 0rem;
    margin-top: -2rem;
    margin-bottom: 30rem;
  }

  /*--コンセプト--*/
  .Concept-title {
    font-family: 'Playfair Display', serif;
    font-size: 45px;
    text-align: center;
  }
  .Concept-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .Concept-subtext {
    order: 1;
    text-align: left;
    width: 100%;
    max-width: 600px;
    padding: 0 20px;
    font-size: 15px;
    margin-left: 0rem;
  }
  .Concept-img {
    order: 2;
    width: 100%;
    max-width: 600px;
  }
  .Concept-subtext li {
    margin-bottom: 10px;
  }

  /*--10年間の指導経験を経て--*/
  .BTK-Comment-title {
    font-size: 22px;
    font-weight: bold;
    letter-spacing: 0.05rem;
   margin-bottom: 3rem;
    margin-left: 0rem;
  }
  .BTK-Comment-subtitle {
    font-size: 14px;
    font-weight: normal;
    margin-bottom: 25px;
    letter-spacing: 0.05rem;
  }

  /*--当ジムの特徴--*/
  .BTK-Features-title h2 {
    font-size: 20px;
    text-align: center;
  }
  .BTK-Features-subtitle-text {
    font-size: 18px;
  }
  .BTK-Features-box {
    display: flex;
    flex-direction: column;
  }
  .BTK-Features-text01 {
    font-size: 15px;
    letter-spacing: 0.05rem;
  }
  .BTK-Features-text02 {
    font-size: 15px;
    letter-spacing: 0.05rem;
  }
  .BTK-Features-container01 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
  }
  .BTK-Features-box02 {
    display: flex;
    flex-direction: column;
  }
  .BTK-Features-img02-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    align-items: center;
  }
  .BTK-Features-img03-box {
    gap: 20px;
  }
  .box-right {
    margin-left: 0px;
  }
  .BTK-Features-text03 {
    font-size: 15px;
    letter-spacing: 0.05rem;
    margin-bottom: 0rem;
    margin-top: -3rem;
  } 
  /*--当ジムでできること--*/
  .solution-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 768px;
    margin: 40px auto;
    padding: 0 20px;
  }

  /*--フッター--*/
  .footer {
    padding: 2rem 1rem 1rem;
  }
  .footer-container {
    flex-wrap: wrap;
    justify-content: center;
    max-width: 414px;
    margin-bottom: 2rem;
  }
  .footer-logo {
    margin-bottom: 1.5rem;
  }
  .footer-item {
    flex-wrap: wrap;
    justify-content: center;
  }
  .footer-list {
    padding: 0.5rem;
  }

  /*--プロフィール--*/
  .profile-trainer {
    padding: 0 20px;
    display: flex;
    justify-content: center;
  }
  .profile-trainer img {
    max-width: 80%;
    height: auto;
  }

  /*--プロフィール部分--*/
  .profile-box {
    display: flex;
    flex-direction: column;
  }
  .profile-text-box {
    margin-left: 0;
    padding: 0 20px;
    text-align: left;
  }
  .profile-name-box {
    text-align: right;
    margin-right: 10px;
  }
  .profile-section {
    margin-left: 0;
    margin-top: 1.5rem;
  }
  .profile-section-list-none {
    font-size: 16px;
    text-align: left;
  }
  .profile-section-list {
    font-size: 15px;
    text-align: left;
    margin-left: -20px;
  }
  .profile-name-title {
    font-size: 30px;
  }
  .profile-section-title {
    font-size: 18px;
  }

  /*--代表の想い--*/
  .Thoughts-title {
    font-size: 30px;
    text-align: center;
  }
  .Thoughts-text-box01,
  .Thoughts-text-box02 {
    font-size: 15px;
    margin-bottom: 7rem;
  }
  .Thoughts-text-box02 {
    text-align: center;
  }
  .Thoughts-text-stlong {
    font-weight: bold;
  }

  /*--姿勢の形成：説明文--*/
  .shisei-introduction-box {
    background-color: #fff;
    padding: 2rem;
    margin: 40px auto;
    max-width: 100%;
    font-size: 15px;
    line-height: 1.8;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2); /* 下に落ちる影を再現 */
    border-radius: 6px;
  }

  /*--姿勢の形成：アプローチポイント--*/
  .shisei-pointo-title {
    font-size: 15px;
    font-weight: bold;
    letter-spacing: 0.05rem;
    margin-bottom: 3rem;
    margin-left: 1rem;
  }
  .shisei-pointo-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin: 40px 0;
  } 
  .shisei-pointo-box-inner {
    display: flex;
    text-align: center;
    align-items: center;
  }
  .shisei-pointo-box {
    background-color: #fff;
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-align: center;
  }
  .shisei-pointo-subtitle {
    width: 100%;
    text-align: center;
    font-size: 20px;
  }
  .shisei-pointo-text {
    font-size: 16px;
    text-align: left;
  }

  /*--アプローチの具体例--*/
  .shisei-approach-box {
    display: grid;
    grid-template-columns: 1fr;
    align-items: stretch; 
    align-items: center;
    gap: 20px;
    margin-bottom: 3rem;
  }
  .shisei-approach-smalltitle {
    font-size: 15px;
    font-weight: bold;
    color: #00bf63;
    margin-bottom: -2rem;
  }
  .shisei-approach-title {
    font-size: 20px;
  }
  .sorigoshi-text {
    padding: 0 10px;
  }
  .sorigoshi-title {
    font-weight: bold;
    font-size: 20px;
    margin-bottom: 2px;
    margin-left: 10px;
  }

  .sorigoshi-text {
    font-size: 14px;
  }

  .sorigoshi-triangle {
    display: flex;
    align-items: center;
    justify-content: center;
    grid-column: span 1; /* 矢印1列分 */
    transform: rotate(90deg);
    margin-left: 30px;
  }
  .sorigoshi-triangle img {
    width: 30px;
    height: auto;
  }

}