/* PC用のスタイル */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  margin-top: 0 !important;
}
body {
  font-family: 游ゴシック, 游ゴシック体, Yu Gothic, YuGothic,
    ヒラギノ角ゴ Pro W3, Hiragino Kaku Gothic ProN, メイリオ, Meiryo, sans-serif;
  margin: 0;
}
h1 {
  margin: 0;
  padding: 0;
  line-height: 0;
}
p,
h2,
h3,
ul,
dt {
  margin: 0;
  padding: 0;
}
ul {
  list-style: none;
}
a {
  display: block;
  transition: ease all 0.3s;
  text-decoration: none;
}
a:hover {
  opacity: 0.7;
}

img {
  width: auto;
  max-width: 100%;
  height: auto;
}
p {
  font-size: clamp(16px, 2vw, 18px);
}
.pc {
  display: block; /* PCでは表示 */
}
.sp {
  display: none; /* SPでは非表示 */
}
.mb20 {
  margin-bottom: 2rem;
}
#webinar {
  width: 100%;
  overflow: hidden;
  position: relative;
}
.container {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
}
section {
  position: relative;
  z-index: 6;
  padding: 5rem 1rem;
}
/* SP用のスタイル（画面幅767px以下） */
@media screen and (max-width: 767px) {
  .pc {
    display: none; /* SPでは非表示 */
  }
  .sp {
    display: block; /* SPでは表示 */
  }
  section {
    padding: 2rem 1rem;
  }
  .container {
    width: 100%;
  }
}

.section-title {
  text-align: center;
  font-size: clamp(26px, 4vw, 40px);
  color: #1565c0;
  margin-bottom: 2rem;
  line-height: 1.4;
  font-weight: 500;
}
.section-title.u-text-accent {
  color: #fff;
}
.section-title.u-text-sm {
  font-size: clamp(20px, 4vw, 32px);
}
.section-subtitle {
  color: #1565c0;
  background-color: #f0f4ec;
  padding-inline: clamp(10px, 4vw, 20px);
  font-size: clamp(12px, 4vw, 18px);
  font-weight: bold;
  text-align: center;
  width: clamp(8em, 30vw, 10em);
  margin: 0 auto 1rem;
}

.heading {
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.4;
}
.heading--sm {
  font-size: clamp(16px, 1.8vw, 20px);
}

.cta-button {
  background: #0891b2;
  border-radius: 50px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 2rem auto 0;
  max-width: 360px;
  padding: 15px 25px;
  color: #fff;
  transition: 0.3s ease-in-out;
  font-weight: bold;
  font-size: clamp(1rem, 0.875rem + 1.5vw, 1.35rem);
}

.cta-button:after {
  content: "";
  width: 10px;
  height: 10px;
  border-top: 3px solid #fff;
  border-right: 3px solid #fff;
  transform: rotate(45deg) translateY(-50%);
  position: absolute;
  top: 46%;
  right: 30px;
  border-radius: 1px;
  transition: 0.3s ease-in-out;
}
.cta-button.primary {
  padding: 15px 25px;
  width: 360px;
  max-width: 100%;
  margin: 0 auto;
  font-size: clamp(1rem, 0.875rem + 1.5vw, 1.35rem);
}
.cta-button.secondary {
  margin: 4rem auto 0;
  background: #0891b2;
  color: #fff;
}
.cta-button.secondary:after {
  border-top: 3px solid #fff;
  border-right: 3px solid #fff;
}
.cta-button.tertiary {
  background: #fff;
  color: #0891b2;
}
.cta-button.tertiary::after {
  border-top: 3px solid #0891b2;
  border-right: 3px solid #0891b2;
}
/* 既定は改行させない */
.br-550 {
  display: none;
}

/* ファーストビュー */
/* ========== 初期表示：PC優先 ========== */
.fv-inner.pc {
  display: flex;
  gap: 24px;
  align-items: center;
}
.fv-inner.sp {
  display: none;
}
.fv img {
  max-width: 100%;
  height: auto;
}

/* ========== 1000px以下：SPレイアウトに切替 ========== */
@media (max-width: 1000px) {
  .fv-inner.pc {
    display: none !important;
  }
  .fv-inner.sp {
    display: block !important;
  }
}

.fv {
  background: url(../img/fvbg.jpg) top / cover no-repeat;
  padding: 3rem 1rem 20rem;
  overflow: hidden;
}
@media (max-width: 767px) {
  .fv {
    background: url(../img/fvbg_sp.jpg) top / cover no-repeat;
  }
}

.fv-inner {
  width: 1000px;
  max-width: 100%;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.fv-content {
  margin-right: auto;
  width: 650px;
  max-width: 100%;
  text-align: center;
  background: #fff;
  border: 12px solid #f0f4ec;
  aspect-ratio: 1/1;
  border-radius: 50%;
  display: flex;
  align-items: center;
  flex-direction: column;
}
.fv-logo {
  margin: 2rem auto 0;
  width: 16%;
}
.fv h1 {
  width: 85%;
}
.fv-text {
  margin: 1rem 0;
}
.fv-person {
  position: absolute;
  top: 20%;
  right: 8%;
  margin: 0;
  width: 400px;
}
.fv-date {
  width: 350px;
  max-width: 100%;
}
.fv-note {
  font-size: 12px;
  line-height: 1.4;
  margin-block-start: 5px;
  text-align: center;
}
@media (max-width: 1000px) {
  .fv {
    padding: 1rem 1rem 13rem;
  }
  .fv-content {
    margin: 0 auto;
    justify-content: center;
    width: clamp(500px, 80vw, 600px);
  }
  .fv-logo {
    margin: 0 auto;
  }
  .fv h1 {
    width: 90%;
  }
  .fv-text {
    font-size: clamp(13px, 2vw, 14px);
  }
  .fv-inner.sp .fv-person {
    position: static !important;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: -5rem auto 0;
    text-align: center;
    width: 100%;
  }
  .fv-inner.sp .fv-person img {
    display: block;
    width: clamp(180px, 32vw, 280px);
    height: auto;
    margin: 0 auto;
  }
  .fv-date {
    width: 50%;
  }
  .fv-note {
    color: #fff;
  }
}
@media (max-width: 550px) {
  .fv-logo {
    width: 80px;
  }
  .fv-content {
    border: 6px solid #f0f4ec;
  }
  .fv-inner.sp .fv-person {
    margin: -2rem auto 1rem;
  }
  .fv-inner.sp .fv-person img {
    width: 150px;
  }

  .br-550 {
    display: inline;
  }
  .fv-text {
    white-space: normal;
    margin: 0.7rem auto;
    line-height: 1.4;
  }
}

/* 導入 */
.intro {
  position: relative;
  color: #fff;
  padding-bottom: 6rem;
  background-image: url("../img/line_white.png"),
    linear-gradient(to top, #0e1a14 80%, rgba(14, 26, 20, 0) 100%);
  background-repeat: repeat-x, no-repeat;
  background-position: center bottom, center top;
  background-size: 65%, 100% 100%;
  z-index: 6;
  padding-bottom: 12rem;
  margin-top: -9rem;
}

.intro .section-title {
  text-align: left;
  width: 800px;
  margin: 0 auto;
  max-width: 100%;
}
.intro-text {
  width: 800px;
  max-width: 100%;
  margin: 2rem auto 0;
  line-height: 1.8;
  font-size: 18px;
}
.intro-text span {
  display: block;
  border-left: 2px solid #67e8f9;
  padding-left: 1rem;
  margin: 1.5rem 0;
  font-style: italic;

  line-height: 2;
}
@media (max-width: 767px) {
  .intro {
    background-size: 100%, 100% 100%;
    padding-bottom: 4rem;
  }
  .intro-text {
    font-size: 16px;
  }
}
/* セミナー内容 */
.seminar {
  background: #fff;
  width: 1000px;
  margin: 0 auto;
  max-width: 100%;
}
.seminar-content {
  text-align: left;
  width: 750px;
  position: relative;
  max-width: 100%;
  margin: 3rem auto 1rem;
  border-left: 2px solid transparent;
  border-image: linear-gradient(
    to bottom,
    transparent 0%,
    transparent 2%,
    #deebef 2%,
    #deebef 100%
  );
  border-image-slice: 1;
}
.seminar-intro {
  text-align: center;
}
.seminar-text {
  font-size: 24px;
  padding-left: 1rem;
  margin-bottom: 2rem;
  font-weight: bold;
}
.seminar-text dt {
  font-weight: 600;
}
.seminar-text .session {
  font-size: 0.8em;
  color: #1565c0;
  display: flex;
  align-items: center;
  font-family: YuMincho, "Hiragino Mincho ProN", serif;
}
.seminar-text .session:before {
  content: "●";
  position: absolute;
  left: -1.5%;
  color: #1565c0;
}
.seminar-text .number {
  font-size: 1.2em;
}
.seminar-text .detail {
  font-size: 18px;
  display: block;
  font-weight: normal;
  margin-top: 5px;
  line-height: 1.8;
}
@media (max-width: 767px) {
  .seminar-text {
    font-size: 18px;
    margin-bottom: 1rem;
    line-height: 1.4;
  }
  .seminar-text .detail {
    line-height: 1.4;
    font-size: 14px;
    padding-top: 5px;
    margin: 5px 0 0 0;
  }
  .seminar-text .session:before {
    left: -2.4%;
  }
}
/* 登壇者紹介 */
.speaker-section {
  background-color: #f0f4ec;
  background-image: url(../img/line_speaker.png);
  background-repeat: repeat-x;
  background-position: bottom center;
  background-size: 65%;
  padding-bottom: 12rem;
}
@media (max-width: 767px) {
  .speaker-section {
    background-size: 100%;
    padding-bottom: 4rem;
  }
}

.speaker-content {
  width: 1000px;
  max-width: 100%;
  margin: 2rem auto;
}

.profile {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 3rem;
}
.profile-img {
  width: 230px;
  margin: 0 auto;
}
.name {
  display: inline-block !important;
  font-size: 0.7em;
}
.position {
  color: #000;
}
.speaker-content p {
  font-size: 16px;
  line-height: 1.8;
}
.speaker-content dl {
  width: 70%;
}
.speaker-content dt {
  position: relative;
  font-size: 24px;
  font-weight: 500;
  color: #1565c0;
}

.speaker-content dt span {
  display: block;
  font-size: 0.7em;
}
.speaker-content dd {
  margin: 2rem 0 0 0;
}

@media (max-width: 767px) {
  .speaker-content {
    display: block;
  }
  .profile {
    flex-direction: column;
  }
  .speaker-content dl {
    width: 100%;
    margin: 0;
  }
  .speaker-content dt {
    font-size: 20px;
  }
  .speaker-content dt span {
    font-feature-settings: "palt";
  }
  .speaker-content dd {
    margin: 1rem 0 0 0;
  }
}
/* こんな方におすすめ */
.target-section {
  background: #fff;
}
.target-grid {
  text-align: left;
  width: 680px;
  max-width: 100%;
  margin: 3rem auto 5rem;
  font-weight: 500;
}
.target-item {
  font-size: 20px;
  line-height: 1.4;
  margin-bottom: 2rem;
}
.target-item::first-letter {
  color: #00a8a8;
}
@media (max-width: 767px) {
  .target-grid {
    margin: 2rem auto;
  }

  .target-item {
    font-size: 16px;
    margin-bottom: 1rem;
    font-feature-settings: "palt";
    text-indent: -1.2rem;
    padding-left: 1rem;
  }
  .target-text {
    font-size: 1.2em;
  }
}
.study {
  text-align: center;
  margin-bottom: 5rem;
  padding-top: 3rem;
}
.study h3 {
  font-size: 24px;
  color: #1565c0;
}
.study-container {
  width: 680px;
  display: grid;
  gap: clamp(12px, 2.4vw, 24px);
  grid-template-columns: 1fr;
  margin: 3rem auto 0;
  max-width: 100%;
}
@media (min-width: 768px) {
  .study-container {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.study-item {
  position: relative;
  display: grid;
  place-items: center;
  text-align: center;
  padding: clamp(16px, 3vw, 28px);
  min-block-size: clamp(100px, 18vw, 160px);
  box-shadow: 1px 2px 4px #e5e7eb;
  background: #fafaf7;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  margin-bottom: 1rem;
}
.study-item::before {
  content: "";
  position: absolute;
  top: -12px;
  left: -12px;
  z-index: 1;
  inline-size: 3rem;
  block-size: 3rem;
  background-size: contain;
  background-repeat: no-repeat;
}

.study-item.study01::before {
  background-image: url(../img/study01.png);
}
.study-item.study02::before {
  background-image: url(../img/study02.png);
}
.study-item.study03::before {
  background-image: url(../img/study03.png);
}
.study-item.study04::before {
  background-image: url(../img/study04.png);
}
@media (max-width: 767px) {
  .study {
    padding-top: 2rem;
  }
  .study h3 {
    font-size: 20px;
  }

  .study-container {
    display: block;
  }
  .study-item::before {
    inline-size: 2.6rem;
    block-size: 2.6rem;
  }
}

/* セミナー概要 */
.overview {
  background-color: #0f172b;
  background-image: url(../img/line_white.png);
  background-repeat: repeat-x;
  background-position: bottom center;
  background-size: 65%;
  padding-bottom: 12rem;
}
@media (max-width: 767px) {
  .overview {
    background-size: 100%;
    padding-bottom: 4rem;
  }
}
.overview-content {
  width: 1000px;
  max-width: 100%;
  margin: 2rem auto;
  color: #fff;
}
.overview-table {
  display: grid;
  grid-template-columns: 8em 1fr;
  column-gap: 0;
  border-top: 1px solid #fff;
  width: 650px;
  margin: 0 auto;
  max-width: 100%;
}
.overview-table dt,
.overview-table dd {
  margin: 0;
  padding-block: 16px;
  border-bottom: 1px solid #fff;
  display: flex;
  align-items: center;
}

.overview-table dt {
  font-size: 20px;
  padding-inline: 0 16px;
  font-weight: 600;
}
.overview-table dd {
  font-size: 18px;
  padding-inline: 16px 0;
}

.overview-table dd p {
  margin: 0.3em 0;
  font-size: 17px;
}
.overview-table dd.name p + p {
  margin-top: 0.6em;
}
.overview-table {
  border-top: none;
}
.overview-table > :nth-last-child(-n + 2) {
  border-bottom: none;
}
@media (max-width: 767px) {
  .overview-table {
    grid-template-columns: 1fr;
  }
  .overview-table dt {
    border-bottom: none;
    padding-inline: 0;
    font-size: 18px;
    padding-block: 16px 0;
  }
  .overview-table dd {
    padding-inline: 0;
    font-size: 16px;
    padding-block: 4px 16px;
  }
}

/* よくある質問 */
.faq {
  background: #fff;
}
.faq-item {
  width: 1000px;
  max-width: 100%;
  margin: 0 auto 2rem;
  border-radius: 10px;
  padding: 1rem 2rem;
  box-shadow: 1px 2px 4px #e5e7eb;
  background: #fafaf7;
  border: 1px solid #e5e7eb;
}

.faq dt {
  font-size: 24px;
  color: #1565c0;

  position: relative;
  padding: 10px 15px 10px 45px;
  font-weight: 500;
  border-bottom: 1px solid #1565c0;
}

.faq dd {
  font-size: 18px;
  position: relative;
  margin: 0;
  padding: 13px 15px 15px 45px;
}
.faq dt:before {
  content: "Q";
  position: absolute;
  font-size: 36px;

  top: -2px;
  left: 0;
  font-weight: 500;
}
.faq dd:before {
  content: "A";
  color: inherit;
  position: absolute;
  font-size: 32px;

  top: 0;
  left: 0;
}
@media screen and (max-width: 767px) {
  .faq-item {
    padding: 1rem;
  }
  .faq dt,
  .faq dd {
    padding: 13px 15px 15px 35px;
  }
  .faq dt {
    font-size: 18px;
  }
  .faq dd {
    font-size: 16px;
  }
  .faq dt:before,
  .faq dd:before {
    font-size: 30px;
    top: 0;
  }
}

/* フォーム */
.form-section {
  background: #111827;
  text-align: center;
  position: relative;
  padding-bottom: 3rem;
}

.form-note {
  color: #ffffff;
  margin-bottom: 1rem;
}
.form-inner {
  width: 1000px;
  margin: 0 auto;
  max-width: 100%;
  background: #0f172b;
  padding: 2rem 1rem 0;
}

/* コピーライト */

.webinar-copyright {
  padding: 20px;
  text-align: center;
  color: #fff;
  background: #0f172b;
}
