@charset "utf-8";

/* --- Base Settings --- */
:root {
  --color-primary: #1ba5ce;
  --color-primary-light: #d4ecf3;
  --color-orange: #ed6d01;
  --color-orange-dark: #ca5b00;
  --color-orange-light: #fdecda;
  --color-yellow: #efb817;
  --color-yellow-light: #fef4d6;
  --color-blue: #002975;
  --color-blue-light: #ddf0fa;
  --color-black: #333;
  --color-red: #B30000;
  --color-red-dark: #9b0000;
  --color-link: #1A2567;
  --color-gray-light: #f2f2f2;
  --color-marker-1: #ffff63;
}

:focus-visible {
  outline: 3px solid #0059b3;
  outline-offset: 2px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

@media (max-width: 991px) {
  html {
    scroll-padding-top: 70px;
  }
}


html,
body {
  width: 100%;
  font-family: "Noto Sans", sans-serif;
}

body {
  position: relative;
  color: var(--color-black);
  font-optical-sizing: auto;
  font-style: normal;
  font-variation-settings:
    "wdth" 100;
  overflow-wrap: anywhere;
  word-break: normal;
  line-break: strict;
}

main {
  padding-bottom: 100px;
  background-color: var(--color-primary-light);
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

a:hover {
  text-decoration: none;
  color: var(--color-link);
}

img {
  width: auto;
  max-width: 100%;
}

hr {
  opacity: 1;
  margin: 0;
}

/* ============================================
module 
============================================　*/
/* --------------------------------------------
 text
-------------------------------------------- */
.c-txt-lead {
  font-size: calc(20 /16 * 1rem);
  font-weight: 400;
}

.c-txt-base {
  font-size: calc(16 / 16 * 1rem);
  line-height: 1.6;
}

.c-txt-link {
  text-decoration: underline;
  position: relative;
}

.c-txt-link:hover {
  text-decoration: none;
}


@media (max-width: 991px) {
  .c-txt-lead {
    font-size: calc(18 / 16 * 1rem);
  }
}


.c-ttl-h2 {
  text-align: center;
  font-size: calc(40 / 16 * 1rem);
  font-weight: 700;
  margin-bottom: 30px;
  line-height: 1.3;
}

.c-ttl-h3 {
  font-size: calc(28 / 16 * 1rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-black);
  padding-left: 10px;
  display: flex;
  gap: 16px;
}

.c-ttl-h3-icon {
  display: flex;
  align-items: center;
  gap: 20px;
}

.c-ttl-h3-icon::after {
  content: '';
  width: 1px;
  height: 100%;
  background-color: var(--color-black);
}

.c-ttl-h4 {
  display: flex;
  align-items: baseline;
  gap: 0.4em;
  font-size: calc(20 / 16 * 1rem);
  font-weight: 700;
  line-height: 1.4;
}

.c-ttl-h4-2 {
  display: flex;
  align-items: center;
  gap: 0.5em;
  padding: 10px 20px 12px;
  background-color: var(--color-blue);
  color: #fff;
  font-size: calc(20 / 16 * 1rem);
  margin: 0;
}

@media (max-width: 991px) {

  .c-ttl-h2 {
    font-size: calc(32 / 16 * 1rem);
    margin-bottom: 15px;
  }

  .c-ttl-h3 {
    font-size: calc(24 / 16 * 1rem);
    padding-left: 0;
    gap: 10px;
  }

  .c-ttl-h3-icon {
    gap: 10px;
  }

}


.fc-primary {
  color: var(--color-primary) !important;
}

.fc-black {
  color: var(--color-black) !important;
}

.fc-blue {
  color: var(--color-blue) !important;
}

.fc-yellow {
  color: var(--color-yellow) !important;
}

.fc-red {
  color: var(--color-red) !important;
}

.fc-gray {
  color: var(--color-gray) !important;
}


/* --------------------------------------------
 text marker
-------------------------------------------- */
.c-marker-1 {
  background: linear-gradient(transparent 60%, var(--color-marker-1) 60%);
}

/* --------------------------------------------
 icon
-------------------------------------------- */
.c-icon-txt {
  background-color: var(--color-black);
  color: #fff;
  border-radius: 2px;
  padding: 0 6px;
  line-height: 1.4;
  font-size: 86%;
}

/* --------------------------------------------
 background
-------------------------------------------- */
.bg-primary {
  background-color: var(--color-primary) !important;
}

.bg-black {
  background-color: var(--color-black) !important;
}

.bg-blue {
  background-color: var(--color-blue) !important;
}

.bg-blue-light {
  background-color: var(--color-blue-light) !important;
}

.bg-yellow {
  background-color: var(--color-yellow) !important;
}

.bg-gray--light {
  background-color: var(--color-gray-light);
}

/* --------------------------------------------
 container
-------------------------------------------- */
.c-section {
  max-width: 1000px;
  margin: 100px auto 0;
}

.c-section__inner {
  position: relative;
  padding: 40px;
  background-color: #fff;
  border: 1px solid var(--color-blue);
  border-radius: 8px;
}

.c-block-1 {
  border: 1px solid var(--color-blue);
  border-radius: 10px;
  overflow: hidden;
}

.c-block-1__inner {
  padding: 20px;
}

@media (max-width: 991px) {
  .c-section {
    margin-top: 60px;
    padding-left: 10px;
    padding-right: 10px;
  }

  .c-section__inner {
    padding: 20px 15px;
  }

  .c-block-1__inner {
    padding: 15px 10px;
  }
}

/* --------------------------------------------
 list
-------------------------------------------- */
/*
  c-list-1
-------------------------------------------- */
.c-list-1 {
  list-style: none;
}

.c-list-1__item {
  display: flex;
  align-items: baseline;
}

.c-list-1__item::before {
  content: "・";
  padding-right: 0.2em;
}

.c-list-1__txt {
  flex-grow: 1;
  text-align: left;
}

/*
  c-list-anno-1
-------------------------------------------- */
.c-list-anno-1 {
  list-style: none;
}

.c-list-anno-1__item {
  display: flex;
  align-items: baseline;
}

.c-list-anno-1__item:not(:last-child) {
  margin-bottom: 0.5rem;
}

.c-list-anno-1__item::before {
  content: "※";
  padding-right: 0.25em;
}

.c-list-anno-1__txt {
  flex-grow: 1;
  text-align: left;
}

@media (max-width: 991px) {
  .c-list-anno-1__item::before {
    padding-right: 0.2em;
  }
}

/*
  c-list-anno-num-1
-------------------------------------------- */
.c-list-anno-num-1 {
  list-style: none;
  counter-reset: anno-num-1;
}

.c-list-anno-num-1__item {
  display: flex;
  align-items: baseline;
  counter-increment: anno-num-1;
}

.c-list-anno-num-1__item::before {
  content: "※" counter(anno-num-1);
  padding-right: 0.5em;
  flex-shrink: 0;
}

/*
  c-list-circlenum
-------------------------------------------- */
.c-list-circlenum {
  list-style: none;
  counter-reset: my-counter;
  padding-left: 0;
  line-height: 1.4;
}

.c-list-circlenum__item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  counter-increment: my-counter;
  position: relative;
  margin-bottom: 0.2rem;
}

.c-list-circlenum p {
  margin-bottom: 0;
}

@counter-style maru-num {
  system: alphabetic;
  symbols: ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ⑫ ⑬ ⑭ ⑮ ⑯ ⑰ ⑱ ⑲ ⑳;
  suffix: " ";
}

.c-list-circlenum__item::before {
  content: counter(my-counter, maru-num);
  font-size: calc(18 / 16 * 1rem);
  font-weight: bold;
}

@media (max-width: 991px) {
  .c-list-circlenum__item {
    padding-left: 0;
    padding-right: 0;
    gap: 10px;
  }

  .c-list-circlenum__item::before {
    font-size: 1.2rem;
  }
}

/*
  c-list-1--symbol
-------------------------------------------- */
.c-list-1--symbol>.c-list-1__item::before {
  content: none;
}

.c-list-1--symbol .c-list-1__symbol {
  flex-shrink: 0;
  width: 3.5em;
}

.c-list-1--symbol .c-list-anno-1 {
  margin-top: 0.5rem;
  padding-left: 0;
}

/* --------------------------------------------
 btn
-------------------------------------------- */
.c-btn-grid--2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}


@media (min-width: 768px) {
  .c-btn-grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.c-btn-grid--3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

@media (min-width: 768px) {
  .c-btn-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .c-btn-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.c-btn-grid--4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

@media (min-width: 768px) {
  .c-btn-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .c-btn-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.c-btn-grid--full-then-2 {
  display: grid;
  grid-template-columns: repeat(1fr);
  gap: 0.5rem;
}

.c-btn-grid--full-then-2>.c-btn {
  height: 100%;
}

/*.c-btn-grid--full-then-2>*:first-child {
  grid-column: 1 / -1;
}
*/
@media (min-width: 768px) {
  .c-btn-grid--full-then-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}


.c-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-around;
  color: #fff;
  background-color: var(--color-orange);
  /* border-right: 2px solid var(--color-blue);
  border-bottom: 2px solid var(--color-blue); */
  padding: 6px 10px;
  min-height: calc(2.8rem + 1.5rem);
  border-radius: 6px;
  line-height: 1;
  font-weight: 500;
  text-decoration: none;
  transition: all linear 0.15s;
}

.c-btn:hover {
  background-color: var(--color-orange-dark);
  color: #fff;
  transform: translateY(2px);
}

.c-btn-1 {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.c-btn-1:hover {
  background-color: var(--color-primary);
  color: #fff;
}

.c-btn-2 {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.c-btn-2:hover {
  color: var(--color-primary);
  background-color: var(--color-yellow-alpha);
}

.c-btn-3 {
  background-color: var(--color-red);
}

.c-btn-3:hover {
  color: #fff;
  background-color: var(--color-red-dark);
}

.c-btn--large {
  height: 60px;
  max-width: 500px;
  margin: auto;
}

.c-btn-txt {
  flex-grow: 1;
  text-align: center;
  font-size: calc(16 / 16 * 1rem);
  line-height: 1.4;
}

/* --------------------------------------------
 icon
-------------------------------------------- */
.c-btn-icon {
  position: absolute;
  right: 6%;
  width: 0.8em;
  height: 0.8em;
  top: 0;
  bottom: 0;
  margin: auto 0;
}

.c-btn-icon::after {
  width: 100%;
  height: 100%;
  content: "";
  display: block;
  background-color: currentColor;
}

.c-txt-link-icon {
  position: absolute;
  right: -1.2em;
  width: 0.8em;
  height: 0.8em;
  top: 0;
  bottom: 0;
  margin: auto 0;
}

.c-txt-link-icon::after {
  width: 100%;
  height: 100%;
  content: "";
  display: block;
  background-color: currentColor;
}


.icon-arrow-up-right::after {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M8.636 3.5a.5.5 0 0 0-.5-.5H1.5A1.5 1.5 0 0 0 0 4.5v10A1.5 1.5 0 0 0 1.5 16h10a1.5 1.5 0 0 0 1.5-1.5V7.864a.5.5 0 0 0-1 0V14.5a.5.5 0 0 1-.5.5h-10a.5.5 0 0 1-.5-.5v-10a.5.5 0 0 1 .5-.5h6.636a.5.5 0 0 0 .5-.5'/%3E%3Cpath fill-rule='evenodd' d='M16 .5a.5.5 0 0 0-.5-.5h-5a.5.5 0 0 0 0 1h3.793L6.146 9.146a.5.5 0 1 0 .708.708L15 1.707V5.5a.5.5 0 0 0 1 0z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M8.636 3.5a.5.5 0 0 0-.5-.5H1.5A1.5 1.5 0 0 0 0 4.5v10A1.5 1.5 0 0 0 1.5 16h10a1.5 1.5 0 0 0 1.5-1.5V7.864a.5.5 0 0 0-1 0V14.5a.5.5 0 0 1-.5.5h-10a.5.5 0 0 1-.5-.5v-10a.5.5 0 0 1 .5-.5h6.636a.5.5 0 0 0 .5-.5'/%3E%3Cpath fill-rule='evenodd' d='M16 .5a.5.5 0 0 0-.5-.5h-5a.5.5 0 0 0 0 1h3.793L6.146 9.146a.5.5 0 1 0 .708.708L15 1.707V5.5a.5.5 0 0 0 1 0z'/%3E%3C/svg%3E");
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
}


/* --------------------------------------------
 table 
-------------------------------------------- */
.table-fixed {
  table-layout: fixed;
}

.c-table-rl--sp {
  writing-mode: tb-rl;
}

.c-table-1 th,
.c-table-1 td {
  vertical-align: middle;
  color: var(--color-black);
}

.c-table-anno {
  position: absolute;
  top: 0;
  white-space: nowrap;
}

.c-table-nowrap {
  white-space: nowrap;
  width: 1em;
}

.c-table-1__w-10em {
  width: 10em;
}

@media (min-width: 768px) {

  .c-table-2 tr:first-child th,
  .c-table-2 tr:first-child td {
    border-right: none;
  }

  .w-md-50 {
    width: 50%;
  }
}

@media (max-width: 767px) {
  .c-table-scroll--600 {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .c-table-scroll--600 table {
    min-width: 600px;
  }

  .c-table-2 tr:not(:first-child) {
    border-top: none;
  }

  .c-table-3 th,
  .c-table-3 td {
    width: 100%;
    display: block;
  }

  .c-table-3 td {
    border-top: 1px solid #000;
  }
}


/* --------------------------------------------
 margin (negative)
-------------------------------------------- */
.mgx--brackets {
  margin-left: -0.4em;
  margin-right: -0.4em;
}

/* --------------------------------------------
 for accecibility 
-------------------------------------------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}


/* ============================================
　Header 
============================================　*/
.l-header {
  position: sticky;
  left: 0;
  top: 0;
  height: 68px;
  margin: 0 auto;
  border-radius: 0 0 40px 40px;
  background-color: #fff !important;
  box-shadow: 0px 3px 6px 0px rgba(0, 0, 0, 0.1);
}

.l-header__inner {
  max-width: 1440px;
  margin: 0 auto;
  padding-left: 40px;
  padding-right: 20px;
}

.l-header-ttl {
  font-size: 1rem;
}

.navbar-brand {
  max-width: 100px;
}

.nav-item {
  margin-bottom: 0;
}

.nav-link {
  transition: all linear 0.3s;
  border-bottom: 3px solid #fff;
  color: var(--color-black);
}

.nav-link:hover {
  border-color: var(--color-primary);
  color: var(--color-black);
}

.l-header-btn {
  width: 200px;
  margin-left: 20px;
  padding: 0.75rem 0.625rem;
}

.navbar-toggler {
  width: 50px;
  height: 50px;
  padding: 10px 0px 2px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  color: #000;
}

.navbar-light .navbar-toggler-icon {
  background-image: none;
}

.navbar-toggler-icon {
  position: relative;
  width: 20px;
  height: 2px;
  background: none;
}

.menu-text {
  font-size: 0.5em;
  column-rule: #000;
}

.navbar-toggler.collapsed .navbar-toggler-icon {
  background-color: #000;
}

.navbar-toggler.collapsed .navbar-toggler-icon::before {
  transform: rotate(0deg);
  top: -5px;
}

.navbar-toggler.collapsed .navbar-toggler-icon::after {
  transform: rotate(0deg);
  bottom: -5px;
}

.navbar-toggler-icon::before {
  content: '';
  position: absolute;
  display: block;
  width: 20px;
  height: 2px;
  left: 0;
  top: 0;
  background-color: #000;
  transform: rotate(45deg);
}

.navbar-toggler-icon::after {
  content: '';
  display: block;
  position: absolute;
  width: 20px;
  height: 2px;
  left: 0;
  bottom: 0;
  background-color: #000;
  transform: rotate(-45deg);
}

.navbar-toggler.collapsed .menu-text--open {
  display: inline;
}

.navbar-toggler .menu-text--open {
  display: none;
}

.navbar-toggler.collapsed .menu-text--close {
  display: none;
}

.navbar-toggler .menu-text--close {
  display: inline;
}

/* --------------------------------------------
 Overlay
-------------------------------------------- */
body.is-menu-open .navbar-collapse {
  right: 0;
}

.l-header-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

body.is-menu-open .l-header-overlay {
  opacity: 1;
  pointer-events: auto;
}


@media (max-width: 991px) {
  .l-header {
    top: 0;
    width: 100%;
    border-radius: 0;
    padding-left: 20px;
    padding-right: 20px;
  }

  .l-header__inner {
    padding-left: 0;
    padding-right: 0;
  }

  .navbar-brand {
    max-width: 80px;
    margin-right: 0;
  }

  .navbar-collapse {
    position: fixed;
    width: 100%;
    border-radius: 0 0 20px 20px;
    left: 0;
    top: 68px;
    margin: 0 auto;
    background: #fff;
    box-shadow: 0px 3px 10px 0px rgba(0, 0, 0, 0.16);
  }

  .navbar-nav {
    align-items: center;
    padding-top: 40px;
  }

  .l-header-btn {
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 40px;
  }
}


/* ============================================
　Main Content 
============================================　*/

/* -----------------------------------------
 cv 
----------------------------------------- */
.c-kv {
  background-image: url(../img/bg_kv.svg);
  background-repeat: repeat-x;
  background-position: center calc(100% + 1px);
  background-size: min(100%, 850px) auto;
  background-color: #fff;
  padding: 50px 15px 120px;
  text-align: center;
  margin-bottom: -1px;
}

.c-kv__ttl {
  font-size: calc(50 / 16 * 1rem);
  font-weight: 900;
  line-height: 1.6;
  /* background-color: #fff;
  padding: 40px 14px;
  border: 1px solid #000;
  max-width: 960px;
  margin: 0 auto;
  border-radius: 8px; */
}

.c-kv__ttl span {
  display: block;
}

.c-kv__ttl-item-1 {
  color: var(--color-primary);
}

.c-kv__ttl-item-2 {
  color: var(--color-yellow);
  margin-top: 0.3em;
}

@media (max-width: 991px) {

  .c-kv {
    padding-top: 4vw;
    padding-bottom: 8vw;
  }

  .c-kv__ttl {
    font-size: clamp(2.133rem, 10.667vw, 3.55rem);
  }

}

/* -----------------------------------------
 infomation 
----------------------------------------- */
.list-news__item {
  padding: 20px 10px;
  border-bottom: 1px solid var(--color-black);
}

.list-news__item article {
  display: flex;
  align-items: baseline;
  gap: 1.8em;
}

.list-news__date {
  color: var(--color-blue);
  font-size: calc(15 / 16 * 1rem);
  font-weight: 700;
  flex-shrink: 0;
}

.list-news__txt {
  font-size: calc(16 / 16 * 1rem);
  font-weight: 400;
  margin-bottom: 0;
}

@media (max-width: 991px) {
  .list-news__item article {
    flex-direction: column;
    gap: 0.2em;
  }

  .list-news__item {
    padding: 10px 5px;
  }

  .list-news__date {
    font-size: calc(13 / 16 * 1rem);
  }
}

/* -----------------------------------------
 attention 
----------------------------------------- */
.c-attention-txt {
  font-size: calc(18 / 16 * 1rem);
  font-weight: bold;
  width: 100%;
  margin-top: 15px;
  text-align: center;
  margin-bottom: 1rem;
  background-color: var(--color-red);
  padding: 18px;
  color: #FFF;
  line-height: 1.5;
}

@media (max-width: 991px) {
  .c-attention-txt {
    padding: 10px;
    font-size: calc(16 / 16 * 1rem);
  }
}

/* -----------------------------------------
 summary 
----------------------------------------- */
.summary-figcap {
  padding: 4px 10px;
  border-radius: 4px;
}

/* -----------------------------------------
 howto 
----------------------------------------- */
.howto-icon {
  display: inline-block;
  width: 1em;
  padding-top: 0.2em;
  aspect-ratio: 1 / 1;
  background-color: #fff;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M0 4a2 2 0 0 1 2-2h12a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2zm2-1a1 1 0 0 0-1 1v.217l7 4.2 7-4.2V4a1 1 0 0 0-1-1zm13 2.383-4.708 2.825L15 11.105zm-.034 6.876-5.64-3.471L8 9.583l-1.326-.795-5.64 3.47A1 1 0 0 0 2 13h12a1 1 0 0 0 .966-.741M1 11.105l4.708-2.897L1 5.383z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M0 4a2 2 0 0 1 2-2h12a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2zm2-1a1 1 0 0 0-1 1v.217l7 4.2 7-4.2V4a1 1 0 0 0-1-1zm13 2.383-4.708 2.825L15 11.105zm-.034 6.876-5.64-3.471L8 9.583l-1.326-.795-5.64 3.47A1 1 0 0 0 2 13h12a1 1 0 0 0 .966-.741M1 11.105l4.708-2.897L1 5.383z'/%3E%3C/svg%3E");
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
}


/* -----------------------------------------
 faq 
----------------------------------------- */
.accordion-item:hover {
  outline: 1px solid var(--color-black);
}

.accordion-button {
  border: none;
}

.accordion-item:not(:first-of-type) {
  border: 1px solid #dee2e6;
}

.accordion-item:first-of-type,
.accordion-item:first-of-type>.accordion-header .accordion-button {
  border-radius: 0;
}

.accordion-item:has(.accordion-button:not(.collapsed)) {
  outline: 1px solid var(--color-black);
  position: relative;
  z-index: 1;
}

.accordion-button:not(.collapsed) {
  background-color: var(--color-green-light);
  color: var(--color-black);
}

.accordion-body {
  overflow: hidden;
}

@media (max-width: 991px) {
  .accordion-button {
    padding: 15px 10px;
  }
}


/* -----------------------------------------
 back-to-top BTN 
----------------------------------------- */
.back-to-top {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  background-color: var(--color-primary);
  outline: none;
  color: #fff;
  height: 50px;
  z-index: 1050;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  transition: all 0.3s linear;
}

.back-to-top::after {
  content: '';
  display: block;
  width: 15px;
  height: 15px;
  margin-left: auto;
  margin-right: auto;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M8 15a.5.5 0 0 0 .5-.5V2.707l3.146 3.147a.5.5 0 0 0 .708-.708l-4-4a.5.5 0 0 0-.708 0l-4 4a.5.5 0 1 0 .708.708L7.5 2.707V14.5a.5.5 0 0 0 .5.5'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M8 15a.5.5 0 0 0 .5-.5V2.707l3.146 3.147a.5.5 0 0 0 .708-.708l-4-4a.5.5 0 0 0-.708 0l-4 4a.5.5 0 1 0 .708.708L7.5 2.707V14.5a.5.5 0 0 0 .5.5'/%3E%3C/svg%3E");
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  background-color: #fff;
}

.back-to-top:hover {
  transform: translateY(-5px);
  background-color: var(--color-primary);
}

.back-to-top.is-stopped {
  position: absolute;
  top: -25px;
}

/* ============================================
　Footer
============================================　*/
.l-footer {
  position: relative;
  color: #fff;
  background-color: var(--color-primary);
  padding: 40px 10px;
}