@charset "UTF-8";

/* Foundation */
:root {
  --font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", sans-serif;
  --primary-blue-color: #005bac;
  --primary-gray-color: #5a5858;
  --secondary-orange-color: #fb7d5a;
  --secondary-support-color: #fda05b;
  --base-text-color: #1e3042;
  --base-dark-color: #404040;
  --base-shape-color: #6d7a87;
  --base-dotted-color: #bbc0c7;
  --base-line-color: #dce2eb;
  --base-gray-color: #f0f3f8;
  --base-white-color: #ffffff;
  --attention-color: #ed1818;
  --gradient-blue-color: linear-gradient(270deg, #1a7bc3 0%, #0c69b6 55%, #005bac 100%);
  --extended-yellow-color: #f8e977;
  --theme-muted-color: #405062;
  --theme-section-bg: #f2f5fa;
  --theme-card-border-color: #a9c9ec;
  --function-container-width: 120rem;
  --function-section-padding: 9.6rem;
  --function-radius: 0.8rem;
  --theme-button-radius: 10em;
  --theme-button-hover-scale: 1.05;
  --theme-cta-width: 34rem;
  --theme-card-shadow: 0 1px 2px rgba(30, 48, 66, 0.06), 0 8px 24px rgba(30, 48, 66, 0.045);
  --theme-orange-cta-hover-color: #ff6f4c;
}

html,
body,
h1,
h2,
h3,
a,
p,
span,
ol,
ul,
li,
nav,
header,
main,
section,
div {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 62.5%;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
}

body {
  position: relative;
  top: 29px;
  min-width: 320px;
  padding-block-start: 29px;
  overflow-wrap: anywhere;
  font-family: var(--font-family);
  font-size: 1.6rem;
  line-height: 1.5;
  color: var(--base-text-color);
  word-break: normal;
  line-break: strict;
  background: var(--base-white-color);
}

a {
  color: var(--primary-blue-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

ul,
ol {
  list-style: none;
}

.wrapper {
  padding-block-start: 64px;
}

.main {
  overflow: hidden;
}

/* Shared page sections */
.page-title__container,
.breadcrumb__container,
.function-intro__container,
.feature-group__container,
.function-guidance__container {
  width: min(100% - 6.4rem, var(--function-container-width));
  margin-inline: auto;
}

.feature-group__header {
  display: grid;
  grid-template-columns: minmax(24rem, 32rem) minmax(0, 1fr);
  gap: 4.8rem;
  align-items: end;
}

.feature-group__heading,
.function-document__heading,
.external-linkage__heading {
  font-size: clamp(2.8rem, 2.2vw, 3.4rem);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--primary-blue-color);
  font-feature-settings: "palt" 1;
  text-wrap: balance;
}

.feature-group__description,
.function-document__description,
.external-linkage__description {
  font-size: clamp(1.58rem, 1.12vw, 1.76rem);
  font-weight: 400;
  line-height: 1.8;
  color: var(--theme-muted-color);
}

/* Page title and breadcrumb */
.page-title {
  overflow: hidden;
  color: var(--base-white-color);
  background: var(--gradient-blue-color);
}

.page-title__container {
  display: grid;
  justify-items: center;
  padding-block: 0;
  text-align: center;
}

.page-title__heading {
  padding-block: 7.8rem;
  font-size: 4.4rem;
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: 0;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  margin-block: 1.8rem;
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--base-shape-color);
}

.breadcrumb__link,
.breadcrumb__link:visited,
.breadcrumb__link:hover {
  color: inherit;
}

.breadcrumb__current {
  color: var(--base-shape-color);
}

.breadcrumb__link::after {
  display: inline-block;
  margin-inline-start: 0.6rem;
  color: var(--base-dotted-color);
  content: "/";
}

/* Introduction */
.function-intro {
  padding-block: 4.8rem 8.8rem;
  background: var(--base-white-color);
}

.function-intro__container {
  display: grid;
  justify-items: center;
  text-align: center;
}

.function-intro__heading {
  max-width: 92rem;
  padding-block: 1.8rem;
  font-size: clamp(3.6rem, 2.6vw, 4rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0;
  color: var(--primary-blue-color);
  text-wrap: balance;
}

.function-intro__lead {
  max-width: 92rem;
  margin-block-start: 2.4rem;
  margin-inline: auto;
  font-size: clamp(1.58rem, 1.12vw, 1.78rem);
  font-weight: 400;
  line-height: 1.82;
  color: var(--theme-muted-color);
}

/* Category switcher */
.function-catalog {
  padding-block-start: 3.6rem;
  background: var(--theme-section-bg);
}

.function-switcher {
  width: min(100% - 6.4rem, var(--function-container-width));
  margin-inline: auto;
}

.function-switcher__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(100%, 96rem);
  margin-inline: auto;
  overflow: hidden;
  border-radius: var(--function-radius) var(--function-radius) 0 0;
}

.function-switcher__current,
.function-switcher__link {
  display: grid;
  min-height: 6.4rem;
  padding: 1.4rem 2.4rem;
  place-items: center;
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  border: 1px solid var(--base-line-color);
  border-block-end: 0;
}

.function-switcher__current {
  color: var(--base-white-color);
  background: var(--primary-blue-color);
  border-color: var(--primary-blue-color);
}

.function-switcher__link {
  color: var(--primary-blue-color);
  background: var(--base-white-color);
  border-inline-start: 0;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.function-switcher__link:hover {
  color: var(--primary-blue-color);
  text-decoration: none;
  background: var(--theme-section-bg);
}

.function-switcher__link:focus-visible,
.feature-card__link:focus-visible,
.function-document__button:focus-visible,
.external-linkage__button:focus-visible {
  outline: 3px solid var(--secondary-support-color);
  outline-offset: 3px;
}

/* Feature groups */
.feature-groups {
  background: var(--base-white-color);
  border-block-start: 3px solid var(--primary-blue-color);
}

.feature-group {
  padding-block: 6.4rem;
  scroll-margin-top: 10rem;
  background: var(--base-white-color);
}

.feature-group + .feature-group {
  border-block-start: 1px solid var(--base-line-color);
}

.feature-group__description {
  max-width: 72rem;
  font-size: clamp(1.48rem, 1.04vw, 1.64rem);
}

.feature-group__heading {
  font-size: clamp(2.4rem, 1.8vw, 3rem);
  line-height: 1.4;
  word-break: keep-all;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2.4rem;
  margin-block-start: 3.6rem;
}

/* Feature cards */
.feature-card {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  background: var(--base-white-color);
  border: 1px solid rgba(30, 48, 66, 0.14);
  border-radius: var(--function-radius);
  box-shadow: var(--theme-card-shadow);
}

.feature-card__image {
  width: 100%;
  height: 17.6rem;
  object-fit: cover;
  object-position: center 18%;
  background: var(--base-line-color);
  border-block-end: 1px solid var(--base-line-color);
}

.feature-card__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 1.6rem 1.6rem 1.8rem;
}

.feature-card__title {
  font-size: 1.76rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--primary-blue-color);
  font-feature-settings: "palt" 1;
}

.feature-card__description {
  margin-block-start: 0.8rem;
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.68;
  color: var(--theme-muted-color);
}

.feature-card__link {
  display: inline-grid;
  grid-template-columns: auto 0.8rem;
  gap: 0.8rem;
  align-items: center;
  align-self: flex-end;
  min-height: 3.8rem;
  margin-block-start: auto;
  padding-block-start: 1.2rem;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary-blue-color);
}

.feature-card__link::after {
  width: 0.7rem;
  height: 0.7rem;
  border-block-start: 2px solid currentColor;
  border-inline-end: 2px solid currentColor;
  content: "";
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.feature-card__link:hover {
  text-decoration: none;
}

.feature-card__link:hover::after {
  transform: translateX(0.3rem) rotate(45deg);
}

.feature-group__note {
  margin-block-start: 2.4rem;
  font-size: 1.3rem;
  line-height: 1.7;
  color: var(--theme-muted-color);
}

.feature-group__note a {
  text-decoration: underline;
}

/* Guidance */
.function-guidance {
  padding-block: 8rem;
  background: var(--theme-section-bg);
  border-block-start: 1px solid var(--base-line-color);
}

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

.function-guidance__item {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 3.2rem;
  align-items: start;
  padding-inline: 5.6rem;
}

.function-guidance__item:first-child {
  padding-inline-start: 0;
  border-inline-end: 1px solid rgba(30, 48, 66, 0.16);
}

.function-guidance__item:last-child {
  padding-inline-end: 0;
}

.function-document__heading,
.external-linkage__heading {
  font-size: clamp(2.6rem, 1.8vw, 3rem);
  line-height: 1.42;
}

.function-document__description {
  max-width: 52rem;
  margin-block-start: 1.4rem;
}

.function-document__button,
.external-linkage__button {
  display: grid;
  width: min(100%, var(--theme-cta-width));
  min-width: 0;
  min-height: 5.8rem;
  padding: 1.2rem 2.4rem;
  place-items: center;
  border: 2px solid transparent;
  border-radius: var(--theme-button-radius);
  font-size: 1.62rem;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  transition: color 0.3s, border-color 0.3s, background-color 0.3s, transform 0.3s ease;
}

.function-document__button:hover,
.external-linkage__button:hover {
  text-decoration: none;
  transform: scale(var(--theme-button-hover-scale));
}

.function-document__button {
  color: var(--base-white-color);
  background: var(--secondary-orange-color);
  border-color: var(--secondary-orange-color);
}

.function-document__button:hover {
  color: var(--base-white-color);
  background: var(--theme-orange-cta-hover-color);
  border-color: var(--theme-orange-cta-hover-color);
}

.external-linkage__content {
  max-width: 52rem;
}

.external-linkage__description {
  margin-block-start: 1.4rem;
}

.external-linkage__button {
  color: var(--primary-blue-color);
  background: var(--base-white-color);
  border-color: var(--primary-blue-color);
}

.external-linkage__button:hover {
  color: var(--base-white-color);
  background: var(--primary-blue-color);
  border-color: var(--primary-blue-color);
}

/* Responsive */
@media (max-width: 1100px) {
  .feature-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .feature-group__header {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .feature-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  body {
    top: 0;
  }

  .wrapper {
    padding-block-start: 43px;
  }

  .page-title__container,
  .breadcrumb__container,
  .function-intro__container {
    width: min(100% - 3.2rem, 40rem);
  }

  .feature-group__container,
  .function-guidance__container {
    width: min(100% - 4rem, var(--function-container-width));
  }

  .page-title__heading {
    padding-block: 4.8rem;
    font-size: 2.8rem;
  }

  .breadcrumb {
    font-size: 1.2rem;
  }

  .function-intro {
    padding-block: 3.6rem 5.4rem;
  }

  .function-intro__heading {
    padding-block: 1.2rem;
    font-size: 2.35rem;
  }

  .function-intro__lead {
    margin-block-start: 2rem;
    font-size: 1.44rem;
    line-height: 1.78;
  }

  .function-intro__heading br {
    display: none;
  }

  .function-switcher {
    width: min(100% - 4rem, var(--function-container-width));
  }

  .function-switcher__current,
  .function-switcher__link {
    min-height: 6rem;
    padding-inline: 1rem;
    font-size: 1.4rem;
  }

  .feature-group {
    padding-block: 4.8rem;
  }

  .feature-group__heading,
  .function-document__heading,
  .external-linkage__heading {
    font-size: 2.35rem;
    line-height: 1.42;
  }

  .feature-group__heading {
    font-size: 2.2rem;
  }

  .function-document__heading,
  .external-linkage__heading {
    font-size: 2.2rem;
  }

  .feature-group__description,
  .function-document__description,
  .external-linkage__description {
    font-size: 1.44rem;
    line-height: 1.78;
  }

  .feature-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.6rem;
    width: 100%;
    margin-block-start: 2.8rem;
    margin-inline: 0;
  }

  .feature-card__body {
    padding: 1.6rem;
  }

  .feature-card {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }

  .feature-card__image {
    align-self: auto;
    height: clamp(11.6rem, 26vw, 14rem);
    min-height: 0;
    aspect-ratio: auto;
    border-block-end: 1px solid var(--base-line-color);
    border-inline-end: 0;
  }

  .feature-card__title {
    font-size: 1.52rem;
  }

  .feature-card__description {
    margin-block-start: 0.7rem;
    font-size: 1.28rem;
    line-height: 1.62;
  }

  .feature-card__link {
    min-height: 3.4rem;
    padding-block-start: 0.8rem;
    font-size: 1.26rem;
  }

  .function-guidance {
    padding-block: 5.6rem;
  }

  .function-guidance__container {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .function-guidance__item {
    gap: 2.4rem;
    padding: 0 0 4rem;
  }

  .function-guidance__item:first-child {
    border-inline-end: 0;
    border-block-end: 1px solid rgba(30, 48, 66, 0.16);
  }

  .function-guidance__item:last-child {
    padding: 4rem 0 0;
  }

  .function-document__button,
  .external-linkage__button {
    width: 100%;
    min-width: 0;
    min-height: 5.8rem;
    font-size: 1.5rem;
  }
}

@media (max-width: 430px) {
  .feature-group__container,
  .function-guidance__container {
    width: min(100% - 3.2rem, var(--function-container-width));
  }

  .function-switcher__list {
    grid-template-columns: 0.7fr 1.3fr;
  }

  .function-switcher__current,
  .function-switcher__link {
    font-size: 1.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .function-switcher__link,
  .feature-card__link::after,
  .function-document__button,
  .external-linkage__button {
    transition: none;
  }

  .function-document__button:hover,
  .external-linkage__button:hover {
    transform: none;
  }
}