@charset "UTF-8";

@font-face {
  font-family: "851MkPOP";
  src: url("../font/851MkPOP_101.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  /* 色管理用の変数 */
  --white-color: #fff;
  --black-color: #506270;
  --primary-color: #4ba1e8;
  --accent-color: #fda6a4;
}

:root {
  /* コンテンツ幅管理用の変数 */
  --content-width-sm: 800px;
  --content-width: 936px;
  --content-width-lg: 1080px;
}

:root {
  /* z-index管理用の変数 */
  --z-index-back: -1;
  --z-index-default: 1;
  --z-index-page-top: 50;
  --z-index-header: 100;
  --z-index-menu: 150;
  --z-index-modal: 200;
}

body {
  color: var(--black-color);
  background-color: var(--white-color);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  line-height: 2;
  letter-spacing: 0.05em;
}

/* ---------- layout ---------- */
.l_header {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 110;

  display: flex;
  align-items: center;
  justify-content: space-between;

  width: 100%;
  height: 47px;
  padding: 0 24px;

  background-color: var(--white-color);

  transform: translateX(-50%);
}

.l_header-logo {
  position: relative;
  z-index: 102;

  display: block;
  width: 70px;
}

/* メニュー全体 */
.l_header-nav {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 100;

  width: 100%;
  height: 100svh;
  padding: 47px 0 0;

  background-color: var(--white-color);

  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  overflow-y: auto;

  transform: translateX(-50%);
}

.l_header-nav.is-open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

/* 黒板 */
.l_header-nav_inner {
  width: 100%;
  min-height: calc(100svh - 47px);
  padding: 64px 38px;
  background-image: url("../img/bg_menu.jpg");
  background-repeat: no-repeat;
  background-position: top center;
  background-size: 100% 100%;
}

/* メニュー項目 */
.l_header-nav_list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  font-family: "851MkPOP", sans-serif;
}

.l_header-nav_item {
  color: var(--white-color);
}

.l_header-nav_link {
  display: block;
  font-size: 20px;
  line-height: 1.5;
}

/* SNS */
.l_header-nav_sns {
  display: flex;
  align-items: center;
  gap: 10px;

  margin-top: 64px;
}

.l_header-nav_sns a {
  display: block;
  width: 30px;
}

.l_header-nav_sns img {
  display: block;
  width: 100%;
  height: auto;
}

/* ハンバーガー */
.m_hamburger {
  position: relative;
  z-index: 102;
}

body.is-menu-open {
  overflow: hidden;
}

.l_page {
  position: relative;
  z-index: 1;

  width: 100%;
  min-height: 100vh;
  margin-inline: auto;

  background-color: var(--white-color);
}

.pc_view {
  display: none;
}

/* 426px以上：中央393px＋PC背景 */
@media screen and (min-width: 431px) {
  body {
    background-image: url("../img/bg_pc.png");
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
  }

  .l_page,
  .l_header,
  .l_header-nav {
    width: 393px;
  }

  .l_page {
    width: 393px;
    box-shadow: 0 0 20px rgb(0 0 0 / 8%);
  }
}

/* 1000px以上：左右の固定要素も表示 */
@media screen and (min-width: 1000px) {
  .pc_view {
    position: fixed;
    inset: 0;
    z-index: 0;

    display: block;

    pointer-events: none;
  }

  /* 左側エリアの中央 */
  .pc_nav {
    position: absolute;
    top: 50%;
    left: calc((100vw - 393px) / 4);

    transform: translate(-50%, -50%);
    pointer-events: auto;
    padding: 24px 28px;

    background-color: rgb(255 255 255 / 55%);
    border-radius: 16px;
    box-shadow: 0 4px 24px rgb(80 98 112 / 8%);

    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
  }

  /* 右側エリアの中央 */
  .pc_logo {
    position: absolute;
    top: 50%;
    right: calc((100vw - 393px) / 4);

    width: 150px;

    transform: translate(50%, -50%);
  }

  .pc_logo img {
    display: block;
    width: 100%;
    height: auto;
  }
}

.pc_nav_list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 16px;
  color: var(--primary-color);
  font-family: "851MkPOP", sans-serif;
}

.pc_nav_sns {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
}

.pc_nav_sns a {
  display: block;
  width: 30px;
}

.pc_nav_sns img {
  display: block;
  width: 100%;
  height: auto;
}

#about {
  scroll-margin-top: 70px;
}

#flow,
#contact {
  scroll-margin-top: 40px;
}

/*---------- module ----------*/
.m_hamburger {
  display: block;
  width: 20px;
  height: 16px;
  position: relative;
  z-index: var(--z-index-modal);
  border: none;
  background: transparent;
}

.m_hamburger-bar {
  width: 100%;
  height: 1.5px;
  position: absolute;
  left: 0;
  background-color: var(--primary-color);
}

.m_hamburger-bar:nth-child(1) {
  top: 0;
}

.m_hamburger-bar:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.m_hamburger-bar:nth-child(3) {
  top: 100%;
  transform: translateY(-100%);
}

.m_btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: min(100%, 280px);
  min-height: 52px;
  margin-inline: auto;
  padding: 12px 18px;
  color: var(--white-color);
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.04em;
  text-decoration: none;
  margin-top: 40px;
}

.m_btn__blue {
  background-color: var(--primary-color);
}

.m_btn__pink {
  background-color: var(--accent-color);
}

.m_btn_arrow {
  width: 0;
  height: 0;
  flex-shrink: 0;

  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 9px solid var(--white-color);
}

/*---------- top ----------*/

.kv_about-wrapper {
  display: relative;
  background-color: var(--white-color);
}

.kv,
.about {
  grid-area: 1 / 1;
}

.kv {
  position: relative;
  z-index: 0;
}

.kv_image {
  display: block;
  width: 100%;
  height: auto;
}

/*---------- about ----------*/

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

.about {
  position: relative;
  z-index: 1;
  margin-top: -320px;
}

.about_inner {
  width: 100%;
}

.about_title {
  width: fit-content;
  margin-inline: auto;
  padding-bottom: 4px;
  color: var(--primary-color);
  border-bottom: 1px solid var(--primary-color);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
}

.about_logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  margin-top: 30px;
}

.about_logo {
  display: block;
  width: auto;
  height: auto;
  object-fit: contain;
}

.about_logo__gran {
  width: 88px;
}

.about_logo__docomo {
  width: 112px;
}

.about_cross {
  flex-shrink: 0;
  color: var(--primary-color);
  font-size: 34px;
  font-weight: 300;
  line-height: 1;
}

.about_txt {
  margin-top: 20px;
  font-weight: 400;
  line-height: 1.8;
  text-align: center;
  padding: 14px;
}

.about_emphasis {
  color: var(--primary-color);
  font-weight: 700;
}

.about_image {
  padding: 40px 8px;
  width: 100%;
  height: auto;
}

.about_movie {
  width: 100%;
  height: auto;
}

/*---------- point ----------*/

.point {
  margin-top: 40px;
  color: var(--white-color);
  background-color: var(--white-color);
}

.point_inner {
  width: 100%;
}

.point_title {
  width: fit-content;
  margin-inline: auto;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--white-color);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
}

.point_list {
  margin-top: 40px;
}

.point_item {
  text-align: center;
}

.point_item + .point_item {
  margin-top: 40px;
}

.point_label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: fit-content;
  min-width: 128px;
  min-height: 42px;
  margin-inline: auto;
  padding: 7px 18px;
  color: var(--primary-color);
  background-color: var(--white-color);
  border-radius: 999px;
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
}

.point_icon {
  display: block;
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.point_heading {
  margin-top: 14px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.7;
  text-align: center;
}

.point_txt {
  margin-top: 12px;
  font-weight: 400;
  line-height: 1.7;
  text-align: left;
}

.point_curve {
  display: block;
  width: 100%;
  height: auto;
}

.point_body {
  margin-block: -1px;
  background: linear-gradient(160deg, #86c6f7 0%, #d4d4e5 60%, #fddbdb 100%);
}

.point_inner {
  padding: 16px 24px 24px;
}

/*---------- flow ----------*/

.flow {
  padding: 30px 24px 24px;
  color: var(--black-color);
  background-color: var(--white-color);
  margin-top: 20px;
}

.flow_inner {
  width: 100%;
}

.flow_title {
  width: fit-content;
  margin-inline: auto;
  padding: 0 8px 8px;
  color: var(--accent-color);
  border-bottom: 1px solid var(--accent-color);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
}

.flow_list {
  position: relative;

  margin-top: 56px;
}

/* ハート同士をつなぐ線 */
.flow_list::before {
  position: absolute;
  top: 13px;
  bottom: 32px;
  left: 140px;
  width: 1px;
  background-color: var(--accent-color);
  content: "";
}

.flow_item {
  position: relative;
  display: grid;
  grid-template-columns: 142px 28px 1fr;
  column-gap: 0;
  align-items: start;
}

.flow_item + .flow_item {
  margin-top: 28px;
}

.flow_date {
  padding-top: 1px;
  line-height: 1.5;
  white-space: nowrap;
}

.flow_marker {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  transform: translate(-15.5px, 4px);
}

.flow_heart {
  display: block;
  width: 16px;
  height: 16px;
}

.flow_txt {
  line-height: 1.6;
}

.flow_btn {
  margin-top: 40px;
}

/*---------- original ----------*/

.original {
  margin-top: 30px;
}

.original_logo {
  padding-top: 24px;
  color: var(--black-color);
  background-color: var(--white-color);
}

.original_logo_image {
  display: block;
  width: 100%;
  height: auto;
}

.original_logo_inner {
  padding: 28px 24px 24px;
  text-align: center;
}

.original_logo_title {
  color: var(--primary-color);

  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
}

.original_logo_txt {
  margin-top: 20px;

  line-height: 1.6;
}

.original_logo_lead {
  margin-top: 28px;

  font-size: 16px;
  line-height: 1.6;
}

.original_logo_lead span {
  color: var(--primary-color);
}

.original_logo_message {
  position: relative;
  left: 50%;
  width: max-content;
  margin: 4px;
  padding: 2px 6px;
  color: var(--white-color);
  background-color: #92ceff;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
  white-space: nowrap;
  transform: translateX(-50%);
}

.original_logo_gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2px;
}

.original_logo_gallery img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/*---------- fqa ----------*/

.faq {
  background-color: var(--white-color);
  margin-top: 40px;
}

.faq_curve {
  display: block;
  width: 100%;
  height: auto;
}

.faq_body {
  margin-block: -1px;

  background: linear-gradient(170deg, #fddbdb 0%, #d4d4e5 50%, #86c6f7 100%);
}

.faq_inner {
  padding: 16px 24px 24px;
}

.faq_title {
  width: fit-content;
  margin-inline: auto;
  padding: 0 8px 8px;

  color: var(--white-color);
  border-bottom: 1px solid var(--white-color);

  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
}

.faq_list {
  margin-top: 36px;
}

.faq_item {
  overflow: hidden;

  background-color: var(--white-color);
  border-radius: 8px;
}

.faq_item + .faq_item {
  margin-top: 10px;
}

.faq_question {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: center;

  width: 100%;
  padding: 16px 12px;

  color: var(--black-color);
  text-align: left;
}

.faq_initial {
  color: var(--accent-color);
  font-weight: 700;
}

.faq_question-txt {
  line-height: 1.5;
}

.faq_arrow {
  width: 0;
  height: 0;

  border-right: 4px solid transparent;
  border-bottom: 6px solid var(--accent-color);
  border-left: 4px solid transparent;

  transform: rotate(180deg);
  transition: transform 0.3s ease;
}

.faq_question[aria-expanded="true"] .faq_arrow {
  transform: rotate(0);
}

/* 回答の開閉 */
.faq_answer {
  display: grid;
  grid-template-rows: 0fr;

  transition: grid-template-rows 0.3s ease;
}

.faq_question[aria-expanded="true"] + .faq_answer {
  grid-template-rows: 1fr;
}

.faq_answer-inner {
  min-height: 0;
  overflow: hidden;
}

.faq_answer-content {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;

  padding: 0 12px 16px;
}

.faq_answer-txt {
  line-height: 1.5;
  padding-top: 3px;
}

/*---------- contact ----------*/

.contact {
  position: relative;
  z-index: 1;
  overflow: visible;
  padding: 30px 0px;
}

.contact_inner {
  position: relative;
  z-index: 1;
}

.contact_deco {
  position: absolute;
  left: 0;
  display: block;
  width: 100%;
  height: auto;

  pointer-events: none;
}

.contact_deco__top {
  top: -80px;
  z-index: 2;
}

.contact_deco__bottom {
  bottom: 0;
}

.contact_title {
  width: fit-content;
  margin-inline: auto;
  padding-bottom: 6px;

  color: var(--primary-color);
  border-bottom: 1px solid var(--primary-color);

  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
}

.contact_intro {
  margin-top: 20px;
  line-height: 1.7;
  text-align: center;
}

.contact_form {
  margin-top: 48px;
  padding: 0px 24px;
}

.contact_group + .contact_group {
  margin-top: 22px;
}

.contact_label {
  display: block;

  margin-bottom: 8px;

  font-weight: 700;
  line-height: 1.5;
}

.contact_required {
  display: inline-block;

  margin-left: 4px;
  padding: 1px 5px;

  color: var(--white-color);
  background-color: var(--primary-color);
  border-radius: 3px;

  font-size: 11px;
  font-weight: 700;
  vertical-align: 1px;
}

.contact_input,
.contact_textarea {
  display: block;
  width: 100%;

  color: var(--black-color);
  background-color: #e6f1fa;
  border: 1px solid var(--primary-color);
  border-radius: 4px;

  outline: none;
}

.contact_input {
  height: 44px;
  padding-inline: 12px;
}

.contact_textarea {
  min-height: 180px;
  padding: 12px;

  line-height: 1.6;
  resize: vertical;
}

.contact_input::placeholder,
.contact_textarea::placeholder {
  color: var(--white-color);
}

.contact_input:focus,
.contact_textarea:focus {
  border-color: #2786ce;
  box-shadow: 0 0 0 2px rgb(71 159 226 / 15%);
}

.contact_radio-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.contact_radio {
  display: flex;
  align-items: center;
  gap: 5px;
  line-height: 1.5;
  cursor: pointer;
}

.contact_radio input {
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: var(--primary-color);
}

.contact_privacy {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 6px;
  margin-top: 28px;
  font-size: 12px;
  line-height: 1.5;
}

.contact_privacy input {
  margin-top: 2px;
}

.contact_privacy a {
  color: inherit;
  text-decoration: underline;
}

.contact_btn {
  display: block;
  min-width: 112px;
  margin: 20px auto 0;
  padding: 10px 24px;
  color: var(--white-color);
  background-color: var(--primary-color);
  border-radius: 999px;

  font-weight: 700;
  text-align: center;
}

[hidden] {
  display: none !important;
}

.contact_radio input[type="radio"] {
  flex-shrink: 0;

  width: 15px;
  height: 15px;
  margin: 0;

  background-color: var(--white-color);
  border: 1px solid #8fc7ee;
  border-radius: 50%;

  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.contact_radio input[type="radio"]:checked {
  background:
    radial-gradient(circle, var(--primary-color) 0 3px, transparent 3.5px),
    var(--white-color);

  border-color: var(--primary-color);
}

.contact_privacy input[type="checkbox"] {
  position: relative;
  flex-shrink: 0;

  width: 16px;
  height: 16px;
  margin: 0;

  background-color: var(--white-color);
  border: 1px solid #999;
  border-radius: 2px;

  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.contact_privacy input[type="checkbox"]:checked::after {
  position: absolute;
  top: 1px;
  left: 4px;

  width: 5px;
  height: 9px;

  border: solid #666;
  border-width: 0 2px 2px 0;

  transform: rotate(45deg);
  content: "";
}

/*---------- footer ----------*/

.footer_company {
  padding: 20px;
  font-size: 12px;
  line-height: 1.6;
}

.footer_company a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer_sns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;

  margin-top: 20px;
}

.footer_sns a {
  display: block;
  width: 40px;
}

.footer_sns img {
  display: block;
  width: 100%;
  height: auto;
}

.footer_copyright {
  margin-top: 20px;
  text-align: center;
}

/*---------- privacy ----------*/

.privacy {
  min-height: 100vh;
  padding: 48px 24px 64px;
  background-color: var(--white-color);
}

.privacy_title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
}

.privacy_contents {
  margin-top: 44px;
}

.privacy_intro,
.privacy_section p,
.privacy_list {
  line-height: 1.75;
}

.privacy_section {
  margin-top: 24px;
}

.privacy_section h2,
.privacy_contact h2 {
  margin-bottom: 6px;

  font-weight: 700;
  line-height: 1.5;
}

.privacy_list {
  margin-top: 4px;
  padding-left: 1.6em;

  list-style: decimal;
}

.privacy_list li + li {
  margin-top: 4px;
}

.privacy_links {
  margin-top: 12px;
}

.privacy_links p + p {
  margin-top: 10px;
}

.privacy_links a,
.privacy_contact a {
  text-decoration: underline;
  overflow-wrap: anywhere;
}

.privacy_contact {
  margin-top: 40px;

  font-style: normal;
  line-height: 1.75;
}