/* ======== add reset css ======== */
h1,
h2,
h3,
p {
  margin: 0;
}
body {
  font-family:
    "Helvetica Neue", "Segoe UI", "Hiragino Kaku Gothic ProN", "Meiryo",
    "MS PGothic", sans-serif;
  box-sizing: border-box;
  line-height: 150%;
}
/* ======== var ======== */
:root {
  --main-color: #0052e5;
  --sub-color: #fdd23c;
  --text-color: #fff;
  --button-color: #1d2431;
  --button-text-color: #fff;
}

/* ======== Utility css ======== */
.u-center {
  text-align: center;
}
.u-left {
  text-align: left;
}
.u-right {
  text-align: right;
}
.u-flex {
  display: flex;
}
.u-reading150 {
  line-height: 150%;
}
.u_page-padding {
  padding-right: 16px;
  padding-left: 16px;
  box-sizing: border-box;
}
.u-m-auto {
  margin-left: auto;
  margin-right: auto;
}
.u-button .u-button_wrap {
  box-sizing: border-box;
  background-color: var(--button-color);
  border-radius: 12px;
  color: var(--button-text-color);
  text-decoration: none;
  font-size: 1.875rem;
  padding: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 820px;
  transition: 0.3s;
  cursor: pointer;
  display: flex;
  gap: 4px;
  text-align: center;
}
.u-button .u-button_wrap:hover {
  background-color: var(--sub-color);
  color: var(--button-color);
  font-weight: 700;
  /* filter: brightness(150%); */
}
.u-button .u-button_wrap:hover svg {
  fill: var(--button-color);
}
.u-button .u-button-note {
  max-width: 820px;
  font-size: 1rem;
}
@media screen and (max-width: 767px) {
  .u-button .u-button_wrap {
    font-size: 1.25rem;
    padding: 16px;
  }
  .u-button .u-button_wrap svg {
    width: 24px;
    height: 24px;
    aspect-ratio: 1 / 1;
  }
  .u-button .u-button-note {
    max-width: 820px;
    font-size: 0.9375rem;
  }
}

/* display only */
@media screen and (min-width: 768px) {
  .pc_only {
    display: initial;
  }
  .sp_only {
    display: none !important;
  }
}
@media screen and (max-width: 767px) {
  .pc_only {
    display: none !important;
  }
  .sp_only {
    display: initial;
  }
}
/* content width */
.u-width {
  max-width: 1440px;
  margin: 0 auto;
}
.u-width1240 {
  max-width: 1240px;
  margin: 0 auto;
}
.u-width1030 {
  max-width: 1030px;
  margin: 0 auto;
}
.u-width818 {
  max-width: 818px;
  margin: 0 auto;
}

/* padding */
.u-mb8 {
  margin-bottom: 8px !important;
}
.u-mb16 {
  margin-bottom: 16px !important;
}
.u-mb24 {
  margin-bottom: 24px !important;
}
.u-mb32 {
  margin-bottom: 32px !important;
}
.u-mb40 {
  margin-bottom: 40px !important;
}
.u-mb48 {
  margin-bottom: 48px !important;
}
.u-mb64 {
  margin-bottom: 64px !important;
}
.u-mb80 {
  margin-bottom: 80px !important;
}
.u-mb160 {
  margin-bottom: 160px !important;
}
@media screen and (min-width: 768px) {
  .u-mb8_pc {
    margin-bottom: 8px !important;
  }
  .u-mb16_pc {
    margin-bottom: 16px !important;
  }
  .u-mb24_pc {
    margin-bottom: 24px !important;
  }
  .u-mb32_pc {
    margin-bottom: 32px !important;
  }
  .u-mb40_pc {
    margin-bottom: 40px !important;
  }
  .u-mb48_pc {
    margin-bottom: 48px !important;
  }
  .u-mb64_pc {
    margin-bottom: 64px !important;
  }
  .u-mb80_pc {
    margin-bottom: 80px !important;
  }
  .u-mb160_pc {
    margin-bottom: 160px !important;
  }
  .u-mb8_sp {
    margin-bottom: initial;
  }
  .u-mb16_sp {
    margin-bottom: initial;
  }
  .u-mb24_sp {
    margin-bottom: initial;
  }
  .u-mb32_sp {
    margin-bottom: initial;
  }
  .u-mb40_sp {
    margin-bottom: initial;
  }
  .u-mb48_sp {
    margin-bottom: initial;
  }
  .u-mb64_sp {
    margin-bottom: initial;
  }
  .u-mb80_sp {
    margin-bottom: initial;
  }
  .u-mb160_sp {
    margin-bottom: initial;
  }
}
@media screen and (max-width: 767px) {
  .u-mb8_pc {
    margin-bottom: initial;
  }
  .u-mb16_pc {
    margin-bottom: initial;
  }
  .u-mb24_pc {
    margin-bottom: initial;
  }
  .u-mb32_pc {
    margin-bottom: initial;
  }
  .u-mb40_pc {
    margin-bottom: initial;
  }
  .u-mb48_pc {
    margin-bottom: initial;
  }
  .u-mb64_pc {
    margin-bottom: initial;
  }
  .u-mb80_pc {
    margin-bottom: initial;
  }
  .u-mb160_pc {
    margin-bottom: initial;
  }
  .u-mb8_sp {
    margin-bottom: 8px !important;
  }
  .u-mb16_sp {
    margin-bottom: 16px !important;
  }
  .u-mb24_sp {
    margin-bottom: 24px !important;
  }
  .u-mb32_sp {
    margin-bottom: 32px !important;
  }
  .u-mb40_sp {
    margin-bottom: 40px !important;
  }
  .u-mb48_sp {
    margin-bottom: 48px !important;
  }
  .u-mb64_sp {
    margin-bottom: 64px !important;
  }
  .u-mb80_sp {
    margin-bottom: 80px !important;
  }
  .u-mb160_sp {
    margin-bottom: 160px !important;
  }
}

/* ======== l_contents css ======== */
body {
  background:
    url(../img/bkxr/bg_texture.png) repeat,
    linear-gradient(180deg, #0052e5 0%, #5948c8 100%);
  background-attachment: fixed;
}
.l_contents {
  color: var(--text-color);
}
.l_contents .l-hero-area {
  text-align: center;
}
.l_contents .l-hero-area .l-hero-attention {
  margin: 0 auto;
  max-width: 390px;
  width: 100%;
  height: 87px;
  aspect-ratio: 390 / 87;
  padding: 0 16px;
  box-sizing: border-box;
}
.l_contents .l-hero-area .l-hero-attention img {
  max-width: 100%;
  width: 100%;
  height: auto;
}
.l_contents .l-hero-area .l-hero-text {
  font-size: 4.375rem;
  line-height: 150%;
  text-align: left;
}
.l_contents .l-hero-area .l-hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 80px;
  margin-top: 120px;
  margin-bottom: 120px;
}
.l_contents .l-hero-area .l-hero-visual .l-hero-color {
  color: var(--sub-color);
}
.l_contents .l-hero-area .l-hero-visual .l-lead {
  font-size: 1.25rem;
  line-height: 200%;
  text-align: left;
}
.l_contents .l-hero-bg {
  background: url(../img/bkxr/mv_pc.png) no-repeat bottom right;
}
.l_contents .l-merit {
  padding: 50px 0;
  border-top: 1px dashed rgba(255, 255, 255, 0.3);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.3);
}
.l_contents .l-merit .l-merit-title {
  color: #fdd23c;
  font-size: 2rem;
}
.l_contents .l-merit .l-merit-list > ul {
  list-style-type: none;
  margin-block-start: 0;
  margin-block-end: 0;
  padding-inline-start: 0;
  display: flex;
  gap: 32px;
}
.l_contents .l-merit .l-merit-list > ul li {
  flex: 1;
  display: flex;
  gap: 18px;
  flex-direction: column;
  align-items: center;
}
.l_contents .l-merit .l-merit-list > ul li p {
  line-height: 160%;
}
.l_contents .l-merit .l-merit-list .l-merit-img {
  text-align: center;
}
.l_contents .l-merit .l-merit-list .l-merit-img img {
  max-width: 192px;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  border-radius: 1000px;
  outline: 2px solid #fff; /*outlineでドットの線を追加*/
  outline-offset: -2px;
}
.l_contents .l-merit .l-merit-list .l-merit-headline {
  font-size: 1.75rem;
}
.l_contents .l-example_wrap {
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.2);
  padding: 24px 36px;
}
.l_contents .l-example_wrap .l-example {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
}
.l_contents .l-example_wrap .l-example .l-example-headline {
  font-size: 2rem;
  line-height: 150%;
}
.l_contents .l-example_wrap .l-example ul li {
  font-size: 1.125rem;
  line-height: 150%;
}
.l_contents .l-flow {
  padding: 50px 0;
}
.l_contents .l-flow .l-flow-title {
  color: var(--sub-color);
  font-size: 2rem;
}
.l_contents .l-flow .l-flow-list > ul {
  list-style-type: none;
  margin-block-start: 0;
  margin-block-end: 0;
  padding-inline-start: 0;
}
.l_contents .l-flow .l-flow-list > ul > li {
  display: flex;
  margin-bottom: 80px;
}
.l_contents .l-flow .l-flow-list > ul > li:last-child {
  margin-bottom: 0;
}
.l_contents .l-flow .l-flow-list > ul > li:nth-child(even) {
  flex-direction: row-reverse;
}
.l_contents .l-flow .l-flow-list .l-flow-img img {
  max-width: 390px;
  width: 100%;
}

.l_contents .l-flow .l-flow-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.l_contents .l-flow .l-flow-list > ul > li:nth-child(even) .l-flow-text {
  align-items: flex-end;
}
.l_contents .l-flow .l-flow-text .l-flow-headline {
  display: flex;
  align-items: flex-end;
  font-size: 2rem;
  line-height: 150%;
  gap: 8px;
}
.l_contents .l-flow .l-flow-disc {
  display: flex;
  flex-direction: column;
  gap: 8px;
  list-style-type: disc;
  font-size: 1.125rem;
  line-height: 130%;
}
.l_contents .l-gomabooks {
  background: #fff;
  padding: 32px;
  box-sizing: border-box;
  border-radius: 3px;
  border: 1px dashed rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
}
.l_contents .l-gomabooks h3 {
  font-size: 1.625rem;
  line-height: 130%;
}
.l_contents .l-gomabooks .l-gomabooks-read {
  line-height: 175%;
}
.l_contents .l-gomabooks .l-gomabooks-list {
  max-width: 606px;
  display: grid;
  row-gap: 16px;
  column-gap: 16px;
  grid-template-columns: 1fr 1fr 1fr 1fr;
}
.l_contents .l-gomabooks .l-gomabooks-list img {
  width: 100%;
  height: auto;
}
.l_contents .l-faq {
  padding-top: 80px;
  padding-bottom: 160px;
  position: relative;
  background: url(../img/bkxr/bg_faq.png) bottom left no-repeat #f6efe9;
}
.l_contents .l-faq .l-faq-title {
  font-size: 2.1875rem;
  display: inline;
  color: var(--main-color);
}
.l_contents .l-faq .l-faq-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.l_contents .l-faq details {
  border: 1px solid #dad2cb;
  background: #fff;
  border-radius: 6px;
  color: var(--button-color);
}

.l_contents .l-faq details summary {
  padding: 16px 20px;
  background: #fff;
  border-radius: 6px;
  font-size: 1.15rem;
  position: relative;
  list-style: none;
  cursor: pointer;
  line-height: 150%;
}
.l_contents .l-faq details summary span {
  color: var(--main-color);
}
.l_contents .l-faq details[open] summary {
  border-radius: 6px 6px 0 0;
  transition: all 0.5s;
  background-color: #f6efe9;
}
.l_contents .l-faq details p {
  padding: 24px;
}
.l_contents .l-faq details summary::after {
  content: "";
  position: absolute;
  right: 1.25em;
  top: 16px;
  width: 24px;
  height: 24px;
  background: url(../img/bkxr/faq-add.svg) no-repeat center;
}
.l_contents .l-faq details[open] summary::after {
  content: "";
  position: absolute;
  right: 1.25em;
  top: 16px;
  width: 24px;
  height: 24px;
  background: url(../img/bkxr/faq-remove.svg) no-repeat center;
}
.l_contents .l-faq details summary:hover::after {
  background: url(../img/bkxr/faq-add_hover.svg) no-repeat center;
}
.l_contents .l-faq details[open] summary:hover::after {
  background: url(../img/bkxr/faq-remove_hover.svg) no-repeat center;
}
.l_contents .l-faq details:hover {
  border: 1px solid var(--main-color);
}
/* .l_contents .l-faq details summary::after {
  transform: rotate(90deg) translate(-360%, 5%);
}
.l_contents .l-faq details[open] summary::before {
  transform: rotate(90deg) translate(-360%, 5%) !important;
} */
@media screen and (max-width: 1020px) {
  .l_contents .l-flow .l-flow-list > ul li,
  .l_contents .l-flow .l-flow-list > ul > li:nth-child(even) {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }
  .l_contents .l-flow .l-flow-list > ul > li:nth-child(even) .l-flow-text {
    align-items: flex-start;
  }
  .l_contents .l-flow .l-flow-list .l-flow-img img {
    max-width: 500px;
    width: 100%;
  }
  .l_contents .l-flow .l-flow-text {
    max-width: 400px;
    width: 100%;
  }
}
@media screen and (max-width: 767px) {
  .l_contents .l-hero-area .l-hero-visual {
    flex-direction: column;
    margin-top: 40px;
    margin-bottom: 40px;
    align-items: flex-start;
    padding-left: 24px;
    padding-right: 24px;
    gap: 40px;
  }
  .l_contents .l-hero-bg {
    background: url(../img/bkxr/mv_sp.png) no-repeat top right;
  }
  .l_contents .l-hero-area .l-hero-visual .l-lead {
    font-size: 1rem;
    max-width: 400px;
    margin: 0 auto;
  }
  .u-button .u-button-note {
    text-align: left;
  }
  .l_contents .l-hero-area .l-hero-text {
    font-size: 3.125rem;
    max-width: 400px;
    margin: 0 auto;
  }
  .l_contents .l-merit .l-merit-list > ul {
    flex-direction: column;
  }
  .l_contents .l-example_wrap .l-example {
    flex-direction: column;
    gap: 24px;
  }
  .l_contents .l-example_wrap {
    border-radius: 48px;
  }
  .l_contents .l-example ul {
    margin-block-start: 0;
    margin-block-end: 0;
    padding-inline-start: 1rem;
  }
  .l_contents .l-flow .l-flow-text .l-flow-headline {
    flex-direction: column;
    align-items: flex-start;
  }
  .l_contents .l-flow .l-flow-text .l-flow-headline h3 {
    font-size: 2.25rem;
  }
  .l_contents .l-gomabooks {
    padding: 24px;
  }
  .l_contents .l-gomabooks .l-gomabooks-list {
    row-gap: 8px;
    column-gap: 8px;
  }
  .l_contents .l-faq details summary {
    padding: 8px 44px 8px 20px;
    font-size: 1.05rem;
    display: flex;
    gap: 4px;
  }
  .l_contents .l-faq details summary::after {
    right: 1em;
    top: 50%;
    transform: translate(0%, -50%);
  }
  .l_contents .l-faq details[open] summary::after {
    right: 1em;
    top: 50%;
    transform: translate(0%, -50%);
  }
}