@charset "UTF-8";
/* ---------------------------
  variable
----------------------------- */
:root {
  --white: #ffffff;
  --black: #000000;
  --gray-dark: #333333;
  --gray: #cccccc;
  --gray-light: #D5DFE5;
  --gray-white: #EAEFF2;
  --blue: #004295;
  --blue-light: #006EAC;
  --blue-white: #66A8CD;
  --blue-base: #BEDEE6;
  --navy: #114866;
  --yellow: #FFF249;
  --red: #E53C12;
  --orange: #EC7724;
  --orange-light: #F9C56D;
  --orange-white: #FDE8C4;
  --coral: #E43B43;
  --coral-light: #F3A8A1;
  --coral-white: #FADCD9;
  --gradient-blue: linear-gradient(to bottom, var(--blue-base) 0%, #eaf6f9 20%, var(--white) 100%);
  --border-primary: var(--gray);
  --border-secondary: var(--gray-light);
  --font-primary: var(--black);
  --family-primary: 'Noto Sans JP', sans-serif;
  --line-height-tight: 1.2;
  --line-height-snug: 1.4;
  --line-height-default: 1.5;
  --line-height-normal: 1.7;
  --line-height-relaxed: 2;
  --spacing-gutter: clamp(20px, -15.056px + 8.989vw, 100px);
  --header-height: 80px;
  --header-height-sp: 50px;
  --leading-trim: calc((1em - 1lh) / 2);
  --radius-full: calc(1px / 0);
}

/* ---------------------------
  icon
----------------------------- */
:root {
  --icon-chevron-right: url('data:image/svg+xml,<svg width="8" height="14" viewBox="0 0 8 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M1 1L7 7L1 13" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>');
}

/* ---------------------------
  CSS Reset
----------------------------- */
* {
  min-inline-size: 0;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

:where(html) {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

:where(body) {
  text-rendering: optimizeSpeed;
  line-height: 1.5;
}

:where(body,
h1,
h2,
h3,
h4,
p,
figure,
blockquote,
dl,
dd,
ul,
ol) {
  margin: 0;
}

:where(ul, ol) {
  list-style-type: "";
  padding: unset;
}

:where(a:not([class])) {
  text-decoration-skip-ink: auto;
}

:where(a) {
  text-decoration: none;
}

:where(img, picture) {
  max-width: 100%;
  height: auto;
  display: block;
}

:where(input, button, textarea, select) {
  font: inherit;
}

:where(input[type=text], textarea) {
  font-size: 16px;
}

:where(textarea) {
  field-sizing: content;
}

:where(button, [type=button], [type=reset], [type=submit]) {
  touch-action: manipulation;
}

:where(:any-link,
button,
[type=button],
[type=reset],
[type=submit],
label[for],
select,
summary,
[role=tab],
[role=button]) {
  cursor: pointer;
}

:focus:not(:focus-visible) {
  outline: none;
}

:where(address) {
  font-style: normal;
}

:where(table) {
  border-collapse: collapse;
}

@media (prefers-reduced-motion: reduce) {
  *,
  ::before,
  ::after,
  ::backdrop {
    background-attachment: scroll !important;
    transition-delay: 0s !important;
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}
/* ---------------------------
  base
----------------------------- */
body {
  color: var(--font-primary);
  font-family: var(--family-primary);
  line-height: 1.75;
  font-weight: 400;
  overflow-x: clip;
  overflow-y: scroll;
  overflow-wrap: anywhere;
  word-break: normal;
  line-break: strict;
}
body:has(dialog[open]) {
  overflow: hidden;
}

a {
  color: var(--font-primary);
}

button {
  appearance: none;
  -webkit-appearance: none;
  border: none;
  background: none;
  cursor: pointer;
}

/* ---------------------------
  utility
----------------------------- */
.u-body-inner:has(dialog[open]) {
  overflow-y: auto;
  scrollbar-gutter: stable;
}

.u-wrapper {
  max-width: calc(1040px + 2 * var(--spacing-gutter));
  margin-inline: auto;
  padding: 0 var(--spacing-gutter);
}

.u-container {
  container-type: inline-size;
}

.u-br-sm {
  display: none;
}
@media (max-width: 640px) {
  .u-br-sm {
    display: inline;
  }
}

.u-br-sm-none {
  display: inline;
}
@media (max-width: 640px) {
  .u-br-sm-none {
    display: none;
  }
}

.u-br-md {
  display: none;
}
@media (max-width: 768px) {
  .u-br-md {
    display: inline;
  }
}

.u-br-lg {
  display: none;
}
@media (max-width: 1024px) {
  .u-br-lg {
    display: inline;
  }
}

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

.u-forced-wide {
  margin-inline: calc(50% - 50vi);
}

.u-forced-wide-bg {
  border-image: linear-gradient(var(--_background) 0 0) fill 0//0 100vi;
}

/* ---------------------------
  component
----------------------------- */
/* ---------------------------
  header
----------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  border-bottom: 1px solid var(--gray);
  z-index: 9999;
  background-color: var(--white);
}
@media (max-width: 1024px) {
  .header {
    position: absolute;
  }
}

.header-wrapper {
  max-width: 1600px;
  margin-inline: auto;
  padding-inline: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: var(--header-height);
}
@media (max-width: 1024px) {
  .header-wrapper {
    padding-right: 0;
    padding-left: 10px;
    height: var(--header-height-sp);
    gap: 8px;
  }
}

.header__logo a {
  display: flex;
  align-items: center;
  gap: 44px;
  transition: opacity 0.2s ease-in-out;
}
.header__logo a:focus-visible {
  opacity: 0.7;
}
@media (any-hover: hover) {
  .header__logo a:hover {
    opacity: 0.7;
  }
}
@media (max-width: 1440px) {
  .header__logo a {
    gap: 16px;
  }
}
@media (max-width: 640px) {
  .header__logo a {
    gap: 8px;
  }
}
@media (max-width: 1024px) {
  .header__logo img {
    width: 50px;
  }
}
.header__logo span {
  font-size: 0.875rem;
  font-weight: 700;
}
@media (max-width: 1440px) {
  .header__logo span {
    font-size: 0.75rem;
    line-height: 1.35;
  }
}
@media (max-width: 1024px) {
  .header__logo span {
    font-size: 0.625rem;
    line-height: 1.75;
  }
}
@media (max-width: 640px) {
  .header__logo span {
    font-size: 0.4375rem;
  }
}
.header__logo .br-responsive {
  display: none;
}
@media (max-width: 1440px) {
  .header__logo .br-responsive {
    display: inline;
  }
}
@media (max-width: 1024px) {
  .header__logo .br-responsive {
    display: none;
  }
}

@media (max-width: 1024px) {
  .g-nav {
    position: fixed;
    top: 0;
    left: -100%;
    z-index: 999;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background-color: var(--white);
    padding-top: var(--header-height-sp);
    overflow-y: auto;
    visibility: hidden;
    transition: left 0.2s ease-in, visibility 0.2s ease-in;
  }
}
.g-nav.is_active {
  left: 0;
  visibility: visible;
}

.g-nav-list {
  display: flex;
  align-items: center;
  gap: 40px;
}
@media (max-width: 1440px) {
  .g-nav-list {
    gap: 24px;
  }
}
@media (max-width: 1024px) {
  .g-nav-list {
    display: block;
    padding: 20px;
  }
}

@media (max-width: 1024px) {
  .g-nav-list__item {
    border-top: 1px solid var(--gray);
  }
}
@media (max-width: 1024px) {
  .g-nav-list__item:last-child {
    border-bottom: 1px solid var(--gray);
  }
}
.g-nav-list__item--sm {
  display: none;
}
@media (max-width: 1024px) {
  .g-nav-list__item--sm {
    display: block;
  }
}
.g-nav-list__item a {
  display: grid;
  grid-template-columns: max-content 1fr;
  align-items: center;
  gap: 0.2em;
  font-size: 0.9375rem;
  font-weight: 700;
  transition: color 0.2s ease-in-out;
}
@media (max-width: 1280px) {
  .g-nav-list__item a {
    font-size: 0.875rem;
  }
}
@media (max-width: 1024px) {
  .g-nav-list__item a {
    padding: 1em;
    font-size: 0.9375rem;
    font-weight: 400;
  }
}
.g-nav-list__item a:focus-visible {
  color: var(--blue);
}
@media (any-hover: hover) {
  .g-nav-list__item a:hover {
    color: var(--blue);
  }
}
.g-nav-list__item a::before {
  content: "";
  display: inline-block;
  clip-path: polygon(0 0, 0% 100%, 100% 50%);
  width: 5px;
  height: 6px;
  background-color: var(--blue);
}

.g-nav-info {
  display: none;
  margin-top: 20px;
  padding-bottom: 80px;
}
@media (max-width: 1024px) {
  .g-nav-info {
    display: block;
  }
}
.g-nav-info img {
  margin-inline: auto;
}
.g-nav-info p {
  text-align: center;
  font-size: 0.8125rem;
  line-height: 2;
  margin-top: 2em;
}

/* ---------------------------
  hamb
----------------------------- */
.hamburger {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 50px;
  height: 50px;
  padding: 17px 12px;
  background-color: var(--blue);
  cursor: pointer;
  z-index: 10000;
}
@media (max-width: 1024px) {
  .hamburger {
    display: block;
  }
}
.hamburger.is_active .hamburger__inner {
  transform: translateX(4px);
}
.hamburger.is_active .hamburger__inner span:nth-of-type(1) {
  transform: rotate(34deg);
}
.hamburger.is_active .hamburger__inner span:nth-of-type(2) {
  opacity: 0;
}
.hamburger.is_active .hamburger__inner span:nth-of-type(3) {
  transform: rotate(-34deg);
}

.hamburger__inner {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  transition: 0.3s ease-in-out;
}
.hamburger__inner span {
  display: block;
  width: 100%;
  height: 1px;
  opacity: 1;
  background-color: #fff;
  transform-origin: left;
  transition: 0.3s ease-in-out;
}

.pagetop {
  position: fixed;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: block;
  transition: opacity 0.2s ease-in-out;
}
.pagetop:focus-visible {
  opacity: 0.7;
}
@media (any-hover: hover) {
  .pagetop:hover {
    opacity: 0.7;
  }
}

/* ---------------------------
  footer
----------------------------- */
.footer {
  background-color: var(--gray-dark);
  color: var(--white);
  position: relative;
  z-index: 1;
}

.footer-wrapper {
  position: relative;
  max-width: 1600px;
  margin-inline: auto;
  padding: clamp(2.75rem, 1.22rem + 6.292vw, 6.25rem) 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px 40px;
}
@media (max-width: 768px) {
  .footer-wrapper {
    flex-direction: column-reverse;
    justify-content: center;
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (max-width: 768px) {
  .footer__meta {
    text-align: center;
  }
}
@media (max-width: 768px) {
  .footer__meta img {
    margin-inline: auto;
  }
}
.footer__meta address {
  margin-top: 2em;
  font-size: 0.875rem;
}
@media (max-width: 640px) {
  .footer__meta address {
    font-size: 0.8125rem;
  }
}
.footer__meta dl {
  display: flex;
  align-items: center;
  margin-top: 0.4em;
  font-size: 0.875rem;
}
@media (max-width: 768px) {
  .footer__meta dl {
    justify-content: center;
  }
}
@media (max-width: 640px) {
  .footer__meta dl {
    font-size: 0.8125rem;
  }
}
.footer__meta dt::after {
  display: inline;
  content: "：";
  font-size: 1em;
}
.footer__meta small {
  display: block;
  margin-top: 0.5em;
  font-size: 0.875rem;
}
@media (max-width: 640px) {
  .footer__meta small {
    font-size: 0.8125rem;
  }
}

@media (max-width: 640px) {
  .footer__title {
    width: 200px;
  }
}

.footer__pagetop {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 100;
  translate: 0 -100%;
  transition: opacity 0.2s ease-in-out;
}
.footer__pagetop:focus-visible {
  opacity: 0.7;
}
@media (any-hover: hover) {
  .footer__pagetop:hover {
    opacity: 0.7;
  }
}

/* ---------------------------
  common
----------------------------- */
.common-section {
  position: relative;
  background-color: var(--white);
  z-index: 1;
  padding: clamp(2.5rem, 1.95rem + 2.247vw, 3.75rem) 0 clamp(2.5rem, 1.4rem + 4.494vw, 5rem);
  border-top: 1px solid var(--gray);
}
.common-section--grad {
  position: relative;
}
.common-section--grad::before {
  content: "";
  width: 100%;
  height: clamp(12.5rem, 7.02rem + 22.472vw, 25rem);
  background-image: var(--gradient-blue);
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
}
.common-section--blue {
  background-color: var(--blue-base);
}
.common-section--gray {
  background-color: var(--gray-white);
}

.common-hgroup {
  text-align: center;
  color: var(--navy);
  margin-bottom: clamp(1.5rem, 1.06rem + 1.798vw, 2.5rem);
}
.common-hgroup h2 {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: clamp(1.375rem, 0.99rem + 1.573vw, 2.25rem);
  font-weight: 700;
  gap: 0.6em;
}
.common-hgroup h2::before, .common-hgroup h2::after {
  display: inline-block;
  content: "";
  height: 3px;
  width: clamp(2.5rem, 1.4rem + 4.494vw, 5rem);
  background-color: var(--navy);
}
.common-hgroup p {
  font-size: clamp(0.875rem, 0.77rem + 0.449vw, 1.125rem);
  font-weight: 700;
  margin-top: 0.5em;
}

.common-headline {
  font-size: clamp(1.375rem, 0.72rem + 2.697vw, 2.875rem);
  text-align: center;
  font-weight: 700;
  margin-bottom: 1em;
}

.common-text {
  font-size: 0.875rem;
  font-weight: 500;
}
@media (max-width: 640px) {
  .common-text {
    font-size: 0.8125rem;
  }
}

.common-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: clamp(2rem, 1.23rem + 3.146vw, 3.75rem);
}
.common-table--fixed {
  table-layout: fixed;
}
.common-table caption {
  width: fit-content;
  margin-bottom: 1em;
  font-size: clamp(0.875rem, 0.77rem + 0.449vw, 1.125rem);
  font-weight: 700;
  border-radius: var(--radius-full);
  padding: 0.3em 2.2em;
  background-color: #4F4D4D;
  color: var(--white);
}
.common-table th, .common-table td {
  font-size: clamp(0.6875rem, 0.61rem + 0.337vw, 0.875rem);
  vertical-align: middle;
  padding: 0.8em 1.2em;
  border: 1px solid var(--white);
}
@media (max-width: 640px) {
  .common-table th, .common-table td {
    padding: 0.5em 1em;
  }
}
.common-table th {
  font-weight: 700;
  color: var(--white);
  background-color: var(--blue-light);
}
.common-table th[rowspan] {
  width: 200px;
}
@media (max-width: 1024px) {
  .common-table th[rowspan] {
    width: auto;
  }
}
.common-table .th-child {
  vertical-align: baseline;
  text-align: left;
  background-color: var(--blue-white);
}
.common-table td {
  font-weight: 500;
  text-align: left;
  background-color: var(--gray-light);
}
.common-table tr:nth-child(even) td {
  background-color: var(--gray-white);
}
.common-table thead th {
  text-align: center;
}

@media (max-width: 640px) {
  .common-table-overflow {
    width: calc(100% + var(--spacing-gutter) * 2);
    margin-inline: calc(var(--spacing-gutter) * -1);
    overflow-x: auto;
    padding-inline: var(--spacing-gutter);
    padding-bottom: 4px;
  }
}
@media (max-width: 640px) {
  .common-table-overflow table {
    width: 800px;
  }
}

/* ---------------------------
  hero
----------------------------- */
.hero-section {
  padding-top: var(--header-height);
  background-color: #fdfdfd;
  position: relative;
  z-index: -1;
}
@media (max-width: 1024px) {
  .hero-section {
    padding-top: var(--header-height-sp);
  }
}

.hero-section__inner picture, .hero-section__inner img {
  width: 100%;
}
@media (max-width: 1920px) {
  .hero-section__inner picture, .hero-section__inner img {
    height: 850px;
    object-fit: cover;
  }
}
@media (max-width: 1280px) {
  .hero-section__inner picture, .hero-section__inner img {
    height: 60vw;
  }
}
@media (max-width: 640px) {
  .hero-section__inner picture, .hero-section__inner img {
    height: auto;
    object-fit: inherit;
  }
}

/* ---------------------------
  overview
----------------------------- */
.overview-headline {
  font-size: clamp(1rem, 0.78rem + 0.899vw, 1.5rem);
  font-weight: 700;
  text-align: center;
  color: var(--white);
  padding: 0.3em 1em;
  background-color: var(--blue);
  border-radius: var(--radius-full);
  margin-bottom: 1.5em;
  margin-top: 2em;
  width: calc(100% + 40px);
  margin-left: -20px;
  margin-right: -20px;
}
@media (max-width: 640px) {
  .overview-headline {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
    margin-bottom: 1em;
  }
}

.overview-problem {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
  gap: 10px 20px;
  margin-top: clamp(1.5rem, 1.17rem + 1.348vw, 2.25rem);
}
@media (max-width: 640px) {
  .overview-problem {
    grid-template-columns: 1fr;
  }
}
.overview-problem li {
  display: grid;
  place-content: center;
  height: 100%;
  text-align: center;
  background-color: var(--gray-dark);
  color: var(--white);
  font-weight: 700;
  font-size: clamp(0.8125rem, 0.73rem + 0.337vw, 1rem);
  border-radius: 0.6em;
  padding: 1.6em 0.5em;
}
@media (max-width: 640px) {
  .overview-problem li {
    padding: 1em 0.5em;
  }
}

.overview-marker {
  text-align: center;
  margin-top: 1.5em;
  font-size: clamp(1.0625rem, 0.65rem + 1.685vw, 2rem);
  font-weight: 700;
}
.overview-marker span {
  display: inline-block;
  width: fit-content;
  position: relative;
}
.overview-marker span::before {
  content: "";
  display: inline-block;
  height: 0.3em;
  width: 100%;
  background-color: var(--yellow);
  position: absolute;
  bottom: 0.2em;
  left: 0;
  z-index: -1;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.overview-marker span.is-marked::before {
  transform: scaleX(1);
}

.overview-round {
  width: 100%;
  max-width: 624px;
  margin-inline: auto;
  background-color: var(--white);
  border-radius: var(--radius-full);
  border: 6px solid var(--red);
  color: var(--red);
  font-size: clamp(1.125rem, 0.63rem + 2.022vw, 2.25rem);
  font-weight: 700;
  text-align: center;
  padding: 0 0.5em 0.1em;
  margin-top: 0.8em;
}
@media (max-width: 640px) {
  .overview-round {
    border-width: 3px;
  }
}

.overview-arrow {
  margin-inline: auto;
  margin-block: 24px;
  width: clamp(2.5rem, 0.86rem + 6.742vw, 6.25rem);
}

.overview-title img {
  width: 100%;
  max-width: 1040px;
  margin-inline: auto;
}

.overview-bubble {
  font-size: clamp(1rem, 0.56rem + 1.798vw, 2rem);
  font-weight: 700;
  text-align: center;
  margin-top: 1.5em;
  margin-bottom: 0.8em;
}
.overview-bubble::after {
  content: "";
  display: block;
  width: 100%;
  height: 35px;
  background-image: url("../img/top/bubble.svg");
  background-size: 100%;
  background-repeat: no-repeat;
  background-position: center;
  font-size: 1em;
  margin-top: 16px;
}
@media (max-width: 640px) {
  .overview-bubble::after {
    height: 22px;
    background-size: 600px;
  }
}

.overview-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
}
@media (max-width: 768px) {
  .overview-list {
    gap: 16px;
  }
}
@media (max-width: 640px) {
  .overview-list {
    grid-template-columns: 1fr;
  }
}
.overview-list img {
  margin-inline: auto;
}
@media (max-width: 640px) {
  .overview-list img {
    width: 240px;
  }
}

.overview-notice {
  text-align: center;
  font-weight: 500;
  font-size: clamp(0.75rem, 0.7rem + 0.225vw, 0.875rem);
  margin-top: 1.8em;
}
@media (max-width: 640px) {
  .overview-notice {
    text-align: left;
  }
}

.overview-square {
  width: fit-content;
  margin-inline: auto;
  text-align: center;
  padding: 0.65em 1.5em 0.75em;
  font-weight: 700;
  font-size: clamp(1rem, 0.78rem + 0.899vw, 1.5rem);
  border: 2px solid var(--black);
  margin-top: 1em;
}
@media (max-width: 640px) {
  .overview-square {
    margin-top: 1.5em;
  }
}

/* ---------------------------
  feature
----------------------------- */
.feature-image {
  margin-inline: auto;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-top: clamp(1.75rem, 0.33rem + 5.843vw, 5rem);
}
@media (max-width: 640px) {
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.feature-grid__item {
  background-color: var(--white);
}
.feature-grid__item h3 {
  font-size: clamp(0.9375rem, 0.77rem + 0.674vw, 1.3125rem);
  font-weight: 700;
  padding: 0.45em;
  text-align: center;
  background-color: var(--blue-light);
  color: var(--white);
}
.feature-grid__item ul {
  padding: 24px 20px 28px;
}
.feature-grid__item li {
  font-size: clamp(0.8125rem, 0.73rem + 0.337vw, 1rem);
  font-weight: 700;
  padding-left: 1.2em;
  position: relative;
}
.feature-grid__item li span {
  font-size: clamp(0.6875rem, 0.61rem + 0.337vw, 0.875rem);
  font-weight: 400;
}
.feature-grid__item li::before {
  content: "";
  width: 1em;
  height: 1em;
  aspect-ratio: 1/1;
  background-color: var(--blue-light);
  border-radius: 50%;
  position: absolute;
  top: 0.4em;
  left: 0;
}

.feature-box {
  background-color: var(--white);
  border-radius: 10px;
  padding: 0 40px 40px;
  margin-top: clamp(3.75rem, 2.11rem + 6.742vw, 7.5rem);
  border: 4px solid var(--blue-light);
}
@media (max-width: 640px) {
  .feature-box {
    padding: 0 20px 20px;
    border-width: 2px;
  }
}

.feature-box__headline {
  width: fit-content;
  margin-inline: auto;
  text-align: center;
  color: var(--white);
  font-weight: 700;
  font-size: clamp(0.9375rem, 0.69rem + 1.011vw, 1.5rem);
  background-color: var(--blue-light);
  border-radius: var(--radius-full);
  translate: 0 -50%;
  padding: 0.15em 1.5em 0.25em;
  position: relative;
}
.feature-box__headline::before {
  content: "";
  display: block;
  width: clamp(5rem, 3.9rem + 4.494vw, 7.5rem);
  height: auto;
  aspect-ratio: 120/60;
  background-image: url(../img/top/topic_bubble.svg);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  position: absolute;
  bottom: 0;
  left: 0;
  translate: -90% -55%;
  z-index: 10;
}
@media (max-width: 640px) {
  .feature-box__headline::before {
    translate: -50% -62%;
  }
}

.feature-box__list {
  width: fit-content;
  margin-inline: auto;
  margin-block: 1.5em;
}
.feature-box__list li {
  font-size: clamp(0.875rem, 0.77rem + 0.449vw, 1.125rem);
  font-weight: 500;
  padding-left: 1.2em;
  position: relative;
}
.feature-box__list li::before {
  content: "";
  width: 1em;
  height: 1em;
  aspect-ratio: 1/1;
  background-color: var(--blue-light);
  border-radius: 50%;
  position: absolute;
  top: 0.4em;
  left: 0;
}

/* ---------------------------
  structure
----------------------------- */
.structure-figure img {
  margin-inline: auto;
}

/* ---------------------------
  guide
----------------------------- */
.guide-headline img {
  margin-inline: auto;
}

.guide-figure {
  margin-top: clamp(1.5rem, 0.51rem + 4.045vw, 3.75rem);
}
.guide-figure img {
  margin-inline: auto;
}

/* ---------------------------
  about
----------------------------- */
.about-section {
  padding-bottom: clamp(3.75rem, 2.65rem + 4.494vw, 6.25rem);
}

.about-box {
  background-color: var(--gray-light);
  padding: 50px;
}
@media (max-width: 768px) {
  .about-box {
    padding: 20px;
  }
}

.about-box__inner {
  background-color: var(--gray-white);
  padding: 40px 40px 60px;
  position: relative;
}
@media (max-width: 768px) {
  .about-box__inner {
    padding: 20px;
  }
}
.about-box__inner::before {
  content: "";
  display: block;
  width: clamp(3.125rem, 1.84rem + 5.281vw, 6.0625rem);
  height: auto;
  aspect-ratio: 97/80;
  background-image: url(../img/top/clip.svg);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  translate: 50% -35%;
}
@media (max-width: 640px) {
  .about-box__inner::before {
    translate: 20% -35%;
  }
}

.about-headline img {
  margin-inline: auto;
}

.about-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px 40px;
  margin-top: clamp(1.5rem, 0.51rem + 4.045vw, 3.75rem);
}
@media (max-width: 1024px) {
  .about-list {
    gap: 20px;
  }
}
@media (max-width: 640px) {
  .about-list {
    gap: 14px;
  }
}
@media (max-width: 640px) {
  .about-list {
    grid-template-columns: 1fr;
  }
}

.about-list__item {
  display: grid;
  place-content: center;
  max-width: 360px;
  width: 100%;
  margin-inline: auto;
  background-color: #FFF792;
  position: relative;
  min-height: 260px;
}
@media (max-width: 768px) {
  .about-list__item {
    padding: 40px 0 35px;
    min-height: auto;
  }
}
.about-list__item::before {
  content: "";
  display: block;
  width: 100%;
  height: clamp(0.9375rem, 0.53rem + 1.685vw, 1.875rem);
  background-color: #FFEF5A;
  position: absolute;
  top: 0;
  left: 0;
}
.about-list__item span {
  display: block;
  text-align: center;
  font-size: clamp(0.8125rem, 0.73rem + 0.337vw, 1rem);
  font-weight: 700;
  padding: 0 0.5em;
}
.about-list__item span::before,
.about-list__item span::after {
  content: "";
  display: block;
  position: absolute;
  bottom: 0;
  right: 0;
  z-index: 10;
  width: clamp(1.5625rem, 1.15rem + 1.685vw, 2.5rem);
  height: auto;
  aspect-ratio: 1/1;
}
.about-list__item span::before {
  background-color: #EFDB65;
  clip-path: polygon(0 0, 0% 100%, 100% 0);
}
.about-list__item span::after {
  background-color: var(--gray-white);
  clip-path: polygon(100% 100%, 0% 100%, 100% 0);
}
.about-list__item ul {
  display: block;
  width: fit-content;
  margin-inline: auto;
  margin-top: 1em;
}
.about-list__item li {
  display: block;
  font-size: clamp(0.75rem, 0.7rem + 0.225vw, 0.875rem);
  font-weight: 400;
  position: relative;
  padding-left: 1.2em;
}
.about-list__item li::before {
  content: "";
  width: 1em;
  height: 1em;
  background-color: var(--black);
  border-radius: 50%;
  position: absolute;
  top: 0.4em;
  left: 0;
}

/* ---------------------------
  support
----------------------------- */
.support-flow {
  padding: 0;
  margin-top: clamp(1.5rem, 0.19rem + 5.393vw, 4.5rem);
  counter-reset: counter;
}

.support-flow__item {
  padding: 40px 50px 50px;
  counter-increment: counter;
}
@media (max-width: 640px) {
  .support-flow__item {
    padding: 24px 20px 40px;
  }
}
.support-flow__item hgroup {
  position: relative;
  padding-left: clamp(4.6875rem, 3.46rem + 5.056vw, 7.5rem);
}
.support-flow__item hgroup::before {
  content: counter(counter);
  display: inline-block;
  position: absolute;
  top: 0.25em;
  left: 0;
  width: clamp(3.75rem, 2.65rem + 4.494vw, 6.25rem);
  height: auto;
  aspect-ratio: 1/1;
  color: var(--white);
  font-size: clamp(1.875rem, 1.38rem + 2.022vw, 3rem);
  line-height: 1;
  font-weight: 500;
  border-radius: 50%;
  display: grid;
  place-content: center;
  padding-bottom: 0.1em;
}
.support-flow__item h3 {
  font-size: clamp(1.625rem, 1.19rem + 1.798vw, 2.625rem);
  font-weight: 700;
}
.support-flow__item hgroup p {
  font-size: clamp(0.875rem, 0.68rem + 0.787vw, 1.3125rem);
  font-weight: 700;
}
.support-flow__item dl {
  margin-top: clamp(1.25rem, 0.7rem + 2.247vw, 2.5rem);
  display: grid;
  grid-template-columns: 3.6fr 5.6fr;
  gap: 5px;
  font-size: clamp(0.75rem, 0.7rem + 0.225vw, 0.875rem);
}
@media (max-width: 640px) {
  .support-flow__item dl {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}
.support-flow__item dt, .support-flow__item dd {
  padding: 1em;
}
.support-flow__item dt {
  align-content: center;
  height: 100%;
  font-weight: 700;
}
.support-flow__item dd {
  background-color: var(--white);
  font-weight: 500;
}
.support-flow__item li {
  position: relative;
  padding-left: 1.2em;
}
.support-flow__item li::before {
  content: "";
  display: block;
  width: 1em;
  height: 1em;
  border-radius: 50%;
  position: absolute;
  top: 0.4em;
  left: 0;
}
.support-flow__item--coral {
  background-color: var(--coral-white);
}
.support-flow__item--coral hgroup::before {
  background-color: var(--coral);
}
.support-flow__item--coral h3 {
  color: var(--coral);
}
.support-flow__item--coral dt {
  background-color: var(--coral-light);
}
.support-flow__item--coral li::before {
  background-color: var(--coral-light);
}
.support-flow__item--blue {
  background-color: #C9E4F6;
}
.support-flow__item--blue hgroup::before {
  background-color: #0056A5;
}
.support-flow__item--blue h3 {
  color: #0056A5;
}
.support-flow__item--blue dt {
  background-color: #77BCE8;
}
.support-flow__item--blue li::before {
  background-color: #77BCE8;
}
.support-flow__item--orange {
  background-color: var(--orange-white);
}
.support-flow__item--orange hgroup::before {
  background-color: var(--orange);
}
.support-flow__item--orange h3 {
  color: var(--orange);
}
.support-flow__item--orange dt {
  background-color: var(--orange-light);
}
.support-flow__item--orange li::before {
  background-color: var(--orange-light);
}

.support-flow__item + .support-flow__item {
  margin-top: 50px;
  position: relative;
}
.support-flow__item + .support-flow__item::before {
  content: "";
  display: block;
  background-image: url(../img/top/arrow_long.svg);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  width: 100px;
  height: auto;
  aspect-ratio: 100/150;
  position: absolute;
  top: -5px;
  left: 50%;
  translate: -50% -50%;
  z-index: 100;
  opacity: 0;
  transition: opacity 0.8s ease, top 0.8s ease;
}
@media (max-width: 1024px) {
  .support-flow__item + .support-flow__item::before {
    translate: -50% -60px;
    width: 50px;
  }
}
.support-flow__item + .support-flow__item.is-visible::before {
  opacity: 1;
  top: 0;
}

/* ---------------------------
  news
----------------------------- */
.news-list {
  background-color: var(--white);
  border-radius: 10px;
  padding: 30px;
}
@media (max-width: 640px) {
  .news-list {
    padding: 20px;
  }
}
.news-list li {
  display: grid;
  grid-template-columns: max-content 1fr;
  align-items: center;
  gap: 0.5em 3em;
  border-top: 1px solid var(--gray);
  font-size: clamp(0.8125rem, 0.79rem + 0.112vw, 0.875rem);
  font-weight: 500;
  padding: 1.65em 1.5em;
}
@media (max-width: 768px) {
  .news-list li {
    grid-template-columns: 1fr;
    padding-inline: 0;
  }
}
.news-list li:last-child {
  border-bottom: 1px solid var(--gray);
}
.news-list h3 {
  font-size: clamp(0.8125rem, 0.79rem + 0.112vw, 0.875rem);
  font-weight: 500;
}

/* ---------------------------
  documents
----------------------------- */
.documents-section {
  padding-bottom: clamp(4.5rem, 3.73rem + 3.146vw, 6.25rem);
}

.documents-list li {
  border-top: 1px solid var(--gray);
}
.documents-list li:last-child {
  border-bottom: 1px solid var(--gray);
}
.documents-list a {
  display: grid;
  grid-template-columns: max-content 1fr;
  align-items: center;
  gap: 1em;
  font-size: clamp(0.8125rem, 0.79rem + 0.112vw, 0.875rem);
  font-weight: 700;
  padding: 1em;
  transition: opacity 0.2s ease-in-out;
}
.documents-list a:focus-visible {
  opacity: 0.7;
}
@media (any-hover: hover) {
  .documents-list a:hover {
    opacity: 0.7;
  }
}
.documents-list a::before {
  content: "";
  font-size: 1em;
  display: block;
  height: auto;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}
.documents-list a[href$=".pdf"]::before {
  width: 2em;
  aspect-ratio: 26/32;
  background-image: url(../img/common/pdf.png);
}
.documents-list a[href$=".doc"]::before,
.documents-list a[href$=".docx"]::before {
  width: 2.2em;
  aspect-ratio: 30/32;
  background-image: url(../img/common/word.png);
}
.documents-list a[href$=".xls"]::before,
.documents-list a[href$=".xlsx"]::before {
  width: 2.2em;
  aspect-ratio: 30/32;
  background-image: url(../img/common/excel.png);
}

/* ---------------------------
  page - common
----------------------------- */
.documents-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.documents-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid #ddd;
  gap: 16px;
}
@media (max-width: 640px) {
  .documents-list li {
    flex-wrap: wrap;
    align-items: flex-start;
  }
}

.doc-title {
  flex: 1;
  margin-right: 10px;
  text-decoration: none;
  color: #333;
}
@media (max-width: 640px) {
  .doc-title {
    width: 100%;
    margin-right: 0;
  }
}

.doc-title:hover {
  text-decoration: underline;
}

.doc-actions {
  display: flex;
  align-items: center;
}
@media (max-width: 640px) {
  .doc-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

.documents-list a.download-btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  grid-template-columns: none;
  gap: 0;
  min-width: 7.5em;
  background-color: var(--navy);
  color: #fff;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-size: 13px;
  text-align: center;
  white-space: nowrap;
  transition: 0.2s;
}
.documents-list a.download-btn::before {
  content: none;
}
.documents-list a.download-btn[href$=".pdf"]::before,
.documents-list a.download-btn[href$=".doc"]::before,
.documents-list a.download-btn[href$=".docx"]::before,
.documents-list a.download-btn[href$=".xls"]::before,
.documents-list a.download-btn[href$=".xlsx"]::before {
  content: none;
  background-image: none;
  width: 0;
  aspect-ratio: auto;
}
.documents-list a.download-btn:hover {
  background-color: var(--blue);
}