/**********************************
HOME
**********************************/
html,
body {
  overflow-x: hidden;
}

/* ローディング */
/* ローディング全体 */
.loading-container {
  position: fixed;
  inset: 0;
  /* top:0; left:0; right:0; bottom:0 と同じ */
  z-index: 9999;
  background-color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  opacity: 1;
  transition: opacity 2s ease-in;
}

/* ローディング中はスクロール禁止 */
body.is-loading {
  overflow: hidden;
  height: 100%;
}

/* ローディング画像のアニメーション */
.loading-image {
  position: relative;
  max-width: 300px;
  height: auto;
  clip-path: inset(0 100% 0 0);
  /* 最初は隠す */
  animation: revealImage 0.8s ease-out forwards;
  /* 0.8秒で表示 */
}

@keyframes revealImage {
  0% {
    clip-path: inset(0 100% 0 0);
  }

  100% {
    clip-path: inset(0 0 0 0);
  }
}

/* FV画像やキャッチコピーは初期状態非表示 */
.catchy {
  visibility: hidden;
  /* JSで表示 */
}

/*** first view ***/
.first_v_area {
  width: 100%;
  height: 100vh;
  padding: 14px;
}

.fv_image {
  background-image: url("../images/mainv.jpg");
  background-position: 50%;
  background-size: cover;
  height: 100%;
  border-radius: 32px;
}

/* キャッチコピー */
.main_copy {
  position: absolute;
  left: 60px;
  z-index: 10;
  bottom: 20%;
}

.catchy {
  font-size: 110px;
  font-weight: bold;
  transform: skew(-12deg, 0deg);
  visibility: hidden;
  color: #000067;
}

.catchy_sub {
  font-size: 32px;
  font-weight: bold;
  color: #ffffff;
  text-shadow: 3px 3px 8px #5c5c5c;
}

/* 文字のアニメーション */
.letter {
  opacity: 0;
  display: inline-block;
  transform: translateY(10px);
  animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/**** end first view ****/

/**** index common ***/
.link_btn {
  text-align: right;
}

.learn_more {
  position: relative;
  display: inline-block;
  cursor: pointer;
  outline: none;
  border: 0;
  vertical-align: middle;
  text-decoration: none;
  background: transparent;
  padding: 0;
  font-size: inherit;
  font-family: inherit;
  color: #fff;
  width: 11.5rem;
  height: auto;
}

.learn_more .circle {
  transition: all 0.45s cubic-bezier(0.65, 0, 0.076, 1);
  position: relative;
  display: block;
  margin: 0;
  width: 3rem;
  height: 3rem;
  background: #ffffff;
  border-radius: 1.625rem;
}

.learn_more .circle .icon {
  transition: all 0.45s cubic-bezier(0.65, 0, 0.076, 1);
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto;
  background: #fff;
}

.learn_more .circle .icon.arrow {
  transition: all 0.45s cubic-bezier(0.65, 0, 0.076, 1);
  left: 0.625rem;
  width: 1.125rem;
  height: 0.125rem;
  background: none;
}

.learn_more .circle .icon.arrow::before {
  position: absolute;
  content: "";
  top: -0.20rem;
  right: 0.0625rem;
  width: 0.625rem;
  height: 0.625rem;
  border-top: 0.125rem solid #000067;
  border-right: 0.125rem solid #000067;
  transform: rotate(45deg);
}

.learn_more .button_text {
  transition: all 0.45s cubic-bezier(0.65, 0, 0.076, 1);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.8rem 0 0.8rem 4rem;
  margin: 0;
  color: #ffffff;
  line-height: 1.6;
  text-align: left;
  text-transform: uppercase;
}

.learn_more:hover .circle {
  width: 100%;
}

.learn_more:hover .circle .icon.arrow {
  background: #fff;
  transform: translate(1rem, 0);
}

.learn_more:hover .button_text {
  color: #000067;
}

.index_title_h2_en {
  font-weight: bold;
  font-size: 56px;
  color: #000067;
  margin-bottom: 20px;
  line-height: 1;
  display: inline-block;
  position: relative;
  padding-left: 26px;
}

.index_title_h2_en::after {
  content: "";
  height: 16px;
  width: 16px;
  background: #8b1a3e;
  position: absolute;
  left: 0;
  top: 24px;
  border-radius: 50px;
}

.index_title_h2_jp {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: .04em;
  margin-bottom: 2em;
}

.index_title_h3 {
  font-size: 28px;
  font-weight: bold;
  color: #333;
  letter-spacing: .01em;
}

.index_title_h3::first-letter {
  color: #d16f6f;
}

/**** mission ****/
.mission_area {
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 20% 30%, rgba(173, 216, 230, 0.35), transparent 60%), radial-gradient(circle at 80% 70%, rgba(192, 192, 192, 0.25), transparent 60%), #ffffff;
  padding: 120px 0;
  margin: 0 14px 14px;
  border-radius: 32px;
  height: 100vh;
  display: flex;
  align-items: center;
}

.mission_area .inner {
  position: relative;
  z-index: 2;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
  color: #333;
}

.mission_area .mission_text01 {
  font-size: 2.4rem;
  font-weight: 600;
  color: #222;
  margin: 0.5em;
}

.mission_area .mission_text02 {
  font-size: 1.4rem;
  color: #1d80c5;
  font-weight: normal;
  margin-bottom: 1.5em;
}

.mission_area .mission_text03 {
  font-size: 1rem;
  line-height: 2;
  color: #444;
  margin-bottom: 1.0em;
}

/* strength_area */
.strength_area {
  position: relative;
  overflow: hidden;
  margin: 0 14px 14px;
  border-radius: 32px;
  height: 100vh;
  display: flex;
  align-items: center;
}

.strength_area::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    url('data:image/svg+xml;utf8,<svg viewBox="0 0 1440 320" xmlns="http://www.w3.org/2000/svg"><path fill="white" fill-opacity="0.06" d="M0,128L1440,64L1440,320L0,320Z"/></svg>') repeat-x,
    url('data:image/svg+xml;utf8,<svg viewBox="0 0 1440 320" xmlns="http://www.w3.org/2000/svg"><path fill="white" fill-opacity="0.08" d="M0,64L1440,192L1440,320L0,320Z"/></svg>') repeat-x,
    url('data:image/svg+xml;utf8,<svg viewBox="0 0 1440 320" xmlns="http://www.w3.org/2000/svg"><path fill="white" fill-opacity="0.1" d="M0,192L1440,128L1440,320L0,320Z"/></svg>') repeat-x;
  background-size: cover;
  z-index: 0;
  pointer-events: none;
}

.strength_area .bg_circle {
  position: absolute;
  inset: 0;
  background: #093bab;
  clip-path: circle(0% at 50% 50%);
  transition: none;
  z-index: -1;
}

.strength_area .inner {
  position: relative;
  z-index: 1;
}

.strength_area .inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 5%;
}

.strength_area h2 {
  font-size: 2rem;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
}

.strength_area .text_style01 {
  color: #fff;
  line-height: 1.8;
  margin-bottom: 60px;
}

.strength_list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 40px;
}

.strength_card {
  flex: 1 1 calc(33.333% - 30px);
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  padding: 40px 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.strength_card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.icon_box {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
}

.icon_box img {
  width: 100%;
  height: auto;
}

.strength_title {
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 10px;
  position: relative;
  text-align: center;
  border-bottom: dotted 1px #747474;
  padding-bottom: 12px;
}

.strength_card p {
  font-size: 0.95rem;
  color: #444;
  line-height: 1.7;
}

/* internet_area */
.internet_intro_area {
  background: #46cfc9;
  padding: 120px 0;
  position: relative;
  margin: 0 14px 14px;
  border-radius: 32px;
}

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

.intro_flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.intro_text {
  width: 50%;
}

.intro_title {
  font-size: 2rem;
  line-height: 1.5;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.5em;
}

.intro_title span {
  color: #ffee00;
}

.intro_title span.pink {
  color: #f86acd;
}

.intro_lead {
  font-size: 1rem;
  line-height: 1.9;
  color: #fff;
}

.highlight_line {
  display: inline-block;
  background: #fff;
  border-radius: 8px;
  padding: 0.25em 0.6em;
  font-weight: 700;
  color: #0076a3;
  font-size: 1.1rem;
  margin: 0.2em 0.3em 0.3em 0;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
}

.intro_image {
  width: 50%;
  text-align: right;
}

.intro_image img {
  max-width: 100%;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  object-fit: cover;
}

/*-----------------------------------
  3つのメリット
-----------------------------------*/
.internet_merit_area {
  margin: 100px 0;
  text-align: center;
}

.merit_title {
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 70px;
  line-height: 1.6;
}

.merit_title span {
  color: #ffee00;
}

.merit_list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 40px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.merit_card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
  padding: 40px 28px 50px;
  max-width: 320px;
  flex: 1 1 280px;
  position: relative;
  text-align: left;
}

.merit_num {
  position: absolute;
  top: -35px;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00a2c7 0%, #0076a3 100%);
  color: #fff;
  font-size: 1.6rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid #fff;
  z-index: 2;
}

.merit_heading {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 30px 0 15px;
  text-align: center;
}

.merit_heading .text_highlight {
  color: #f86acd;
}

.merit_text {
  font-size: 0.95rem;
  color: #333;
  line-height: 1.5;
}

/*-----------------------------------
  縦型3ステップデザイン
-----------------------------------*/
/* タイトル：３ステップ */
.step_title {
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 30px;
  line-height: 1.6;
  text-align: center;
}

.step_title span {
  color: #ffee00;
}

.step_list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 50px;
  position: relative;
  max-width: 770px;
  margin: 0 auto 100px;
  padding-left: 20px;
}

.step_card {
  background: #fff;
  border-radius: 100px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
  padding: 20px 50px 20px 110px;
  width: 100%;
  position: relative;
  text-align: left;
}

.step_badge {
  position: absolute;
  top: 50%;
  left: 8px;
  transform: translateY(-50%);
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: #ffee00;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  letter-spacing: normal;
}

.step_card:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -32px;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 16px solid transparent;
  border-right: 16px solid transparent;
  border-top: 16px solid #ffee00;
}

/* 各項目タイトル・テキスト */
.step_card h4 {
  font-size: 1.2rem;
  color: #0076a3;
  font-weight: 700;
  margin-bottom: 4px;
}

.step_card p {
  font-size: 0.95rem;
  color: #333;
  line-height: 1.8;
}

/* まとめカード（リッチスタイル） */
.styled_summary {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  padding: 60px 40px;
  max-width: 760px;
  margin: 80px auto 0;
  text-align: center;
  border: 3px solid #00a2c7;
  position: relative;
}

.summary_lead {
  font-size: 1rem;
  color: #333;
  line-height: 1.9;
}

.emphasis_text {
  color: #00a2c7;
  font-weight: 700;
  background: linear-gradient(transparent 60%, #e0f7f6 60%);
  padding: 0 0.2em;
}

/*** レスポンシブ対応 ***/
@media (max-width: 1100px) {
  .fv_image {
    background-position: bottom right -50px;
  }
}

@media (max-width: 850px) {
  .fv_image {
    background-image: url("../images/mainv_sp.jpg");
    background-position: bottom right 0;
    border-radius: 12px;
  }

  .main_copy {
    top: 17vh;
    left: 5%;
  }

  .catchy {
    font-size: 82px;
  }
}

@media screen and (max-width: 768px) {
  .loading-image {
    max-width: 120px;
  }

  .first_v_area {
    padding: 8px;
  }

  .catchy {
    font-size: 64px;
  }

  .catchy_sub {
    font-size: 18px;
    text-shadow: none;
  }

  .inner {
    width: 100%;
    padding: 0 !important;
  }

  .index_title_h2_en {
    font-size: 36px;
    padding-left: 16px;
  }

  .index_title_h2_en::after {
    height: 10px;
    width: 10px;
    top: 17px;
  }

  .index_title_h2_jp {
    display: block;
    font-size: 24px;
    text-align: center;
  }

  .intro_image img {
    border-radius: 8px;
  }

  .mission_area .mission_text01 {
    font-size: 1.4rem;
  }

  .mission_area .mission_text02 {
    font-size: 1.0rem;
  }

  .mission_area .mission_text03 {
    font-size: 14px;
    line-height: 1.7em;
  }

  .mission_text01 {
    font-size: 16px;
  }

  .mission_area {
    padding: 60px 12px;
  }

  .mission_area,
  .strength_area,
  .internet_intro_area,
  .life_with_liyl_area {
    height: auto;
    border-radius: 12px;
    margin: 0 8px 8px;
  }

  .strength_list {
    flex-direction: column;
    gap: 20px;
  }

  .strength_card {
    flex: 1 1 100%;
    padding: 30px 20px;
    border-radius: 8px;
  }

  .strength_title {
    font-size: 16px;
  }

  .strength_card p {
    font-size: 14px;
  }

  .merit_title {
    font-size: 1.5rem;
    margin-bottom: 40px;
  }

  .internet_intro_area {
    height: auto;
    border-radius: 12px;
    margin: 0 8px 8px;
    padding: 60px 12px;
  }

  .intro_flex {
    flex-direction: column;
    text-align: center;
    gap: 40px;
  }

  .intro_text {
    width: 100%;
  }

  .intro_image {
    width: 100%;
    text-align: center;
    display: flex;
    justify-content: center;
  }

  .highlight_line {
    padding: 0.25em 0.6em;
    font-size: 18px;
    margin: 0 0 12px;
    line-height: 1.9;
  }

  .intro_title {
    font-size: 1.25rem;
  }

  .intro_lead {
    font-size: 14px;
    line-height: 1.5;
  }

  .merit_num {
    top: -25px;
    width: 50px;
    height: 50px;
    font-size: 1.1rem;
  }

  .merit_card {
    border-radius: 8px;
    padding: 40px 16px 20px;
    max-width: 100%;
  }

  .merit_heading {
    font-size: 16px;
    margin: 0 0 15px;
  }

  .merit_text {
    font-size: 14px;
  }

  .step_list {
    padding-left: 0;
  }

  .step_card {
    padding: 27px 25px 30px 77px;
    border-radius: 8px;
  }

  .step_card h4 {
    font-size: 16px;
  }

  .step_card p {
    font-size: 14px;
  }

  .step_badge {
    width: 60px;
    height: 60px;
    font-size: 0.9rem;
    border-radius: 8px;
    top: -6px;
    left: 10px;
    transform: initial;
  }

  .styled_summary {
    border-radius: 8px;
    padding: 30px 12px;
  }

  .summary_lead {
    font-size: 14px;
    line-height: 1.7;
  }
}

@media (max-width: 640px) {
  .index_title_h3 {
    font-size: 20px;
  }
}

/* device-width */
@media (max-device-width: 770px) {
  .catchy {
    font-size: 44px;
  }
}