/*miCheckerに対応させるため、以下の関数を使用していた箇所に直接色を入れています。*/
:root {
  --theme-color: #0866FF;
}

/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
/* Document
   ========================================================================== */
/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 */
html {
  /* 1 */
  -webkit-text-size-adjust: 100%;
  line-height: 1.15;
  /* 2 */
}

/* Sections
   ========================================================================== */
/**
 * Remove the margin in all browsers.
 */
body {
  margin: 0;
}

/**
 * Render the `main` element consistently in IE.
 */
main {
  display: block;
}

/**
 * Correct the font size and margin on `h1` elements within `section` and
 * `article` contexts in Chrome, Firefox, and Safari.
 */
h1 {
  margin: 0.67em 0;
  font-size: 2em;
}

/* Grouping content
   ========================================================================== */
/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */
hr {
  box-sizing: content-box;
  /* 1 */
  height: 0;
  /* 1 */
  overflow: visible;
  /* 2 */
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
pre {
  /* 1 */
  font-size: 1em;
  font-family: monospace, monospace;
  /* 2 */
}

/* Text-level semantics
   ========================================================================== */
/**
 * Remove the gray background on active links in IE 10.
 */
a {
  background-color: transparent;
}

/**
 * 1. Remove the bottom border in Chrome 57-
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */
abbr[title] {
  /* 2 */
  -webkit-text-decoration: underline dotted;
  border-bottom: none;
  /* 1 */
  text-decoration: underline;
          text-decoration: underline dotted;
  /* 2 */
}

/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */
b,
strong {
  font-weight: 700;
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
code,
kbd,
samp {
  /* 1 */
  font-size: 1em;
  font-family: monospace, monospace;
  /* 2 */
}

/**
 * Add the correct font size in all browsers.
 */
small {
  font-size: 80%;
}

/**
 * Prevent `sub` and `sup` elements from affecting the line height in
 * all browsers.
 */
sub,
sup {
  position: relative;
  font-size: 75%;
  line-height: 0;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

/* Embedded content
   ========================================================================== */
/**
 * Remove the border on images inside links in IE 10.
 */
img {
  border-style: none;
}

/* Forms
   ========================================================================== */
/**
 * 1. Change the font styles in all browsers.
 * 2. Remove the margin in Firefox and Safari.
 */
button,
input,
optgroup,
select,
textarea {
  /* 1 */
  margin: 0;
  /* 1 */
  font-size: 100%;
  /* 1 */
  line-height: 1.15;
  font-family: inherit;
  /* 2 */
}

/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 */
button,
input {
  /* 1 */
  overflow: visible;
}

/**
 * Remove the inheritance of text transform in Edge, Firefox, and IE.
 * 1. Remove the inheritance of text transform in Firefox.
 */
button,
select {
  /* 1 */
  text-transform: none;
}

/**
 * Correct the inability to style clickable types in iOS and Safari.
 */
button,
[type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
}

/**
 * Remove the inner border and padding in Firefox.
 */
button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  padding: 0;
  border-style: none;
}

/**
 * Restore the focus styles unset by the previous rule.
 */
button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
  outline: 1px dotted ButtonText;
}

/**
 * Correct the padding in Firefox.
 */
fieldset {
/*  padding: 0.35em 0.75em 0.625em;*/
}

/**
 * 1. Correct the text wrapping in Edge and IE.
 * 2. Correct the color inheritance from `fieldset` elements in IE.
 * 3. Remove the padding so developers are not caught out when they zero out
 *    `fieldset` elements in all browsers.
 */
legend {
  box-sizing: border-box;
  /* 2 */
  display: table;
  /* 1 */
  max-width: 100%;
  /* 1 */
  padding: 0;
  /* 1 */
  color: inherit;
  /* 3 */
  white-space: normal;
  /* 1 */
  font-size: 1em;
}

/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */
progress {
  vertical-align: baseline;
}

/**
 * Remove the default vertical scrollbar in IE 10+.
 */
textarea {
  overflow: auto;
}

/**
 * 1. Add the correct box sizing in IE 10.
 * 2. Remove the padding in IE 10.
 */
[type="checkbox"],
[type="radio"] {
  box-sizing: border-box;
  /* 1 */
  padding: 0;
  /* 2 */
}

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */
[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto;
}

/**
 * 1. Correct the odd appearance in Chrome and Safari.
 * 2. Correct the outline style in Safari.
 */
[type="search"] {
  -webkit-appearance: textfield;
  /* 1 */
  outline-offset: -2px;
  /* 2 */
}

/**
 * Remove the inner padding in Chrome and Safari on macOS.
 */
[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}

/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Change font properties to `inherit` in Safari.
 */
::-webkit-file-upload-button {
  -webkit-appearance: button;
  /* 1 */
  font: inherit;
  /* 2 */
}

/* Interactive
   ========================================================================== */
/*
 * Add the correct display in Edge, IE 10+, and Firefox.
 */
details {
  display: block;
}

/*
 * Add the correct display in all browsers.
 */
summary {
  display: list-item;
}

/* Misc
   ========================================================================== */
/**
 * Add the correct display in IE 10+.
 */
template {
  display: none;
}

/**
 * Add the correct display in IE 10.
 */
[hidden] {
  display: none;
}

@font-face {
    font-style: normal;
    font-weight: normal;
    src: url("../webfonts/icomoon.eot?m8lkpy");
    src: url("../webfonts/icomoon.eot?m8lkpy#iefix") format("embedded-opentype"), url("../webfonts/icomoon.ttf?m8lkpy") format("truetype"), url("../webfonts/icomoon.woff?m8lkpy") format("woff"), url("../webfonts/icomoon.svg?m8lkpy#icomoon") format("svg");
    font-family: 'icomoon';
    font-display: block;
}

[class^="icon-"],
[class*=" icon-"] {
  /* use !important to prevent issues with browser extensions that change fonts */
}

[class^="icon-"]::before, [class^="icon-"]::after,
[class*=" icon-"]::before,
[class*=" icon-"]::after {
  speak: never;
  /* Better Font Rendering =========== */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-style: normal;
  font-variant: normal;
  font-weight: normal;
  line-height: 1;
  font-family: 'icomoon' !important;
  text-transform: none;
}

.icon-course:before {
  content: "\e900";
}

.icon-discussion:before {
  content: "\e901";
}

.icon-sort:before {
  content: "\e902";
}

.icon-sort-up:before {
  content: "\e91b";
}

.icon-faq:before {
  content: "\e903";
}

.icon-help:before {
  content: "\e904";
}

.icon-label:before {
  content: "\e905";
}

.icon-lesson_01:before {
  content: "\e906";
}

.icon-lesson_02:before {
  content: "\e907";
}

.icon-lesson_03:before {
  content: "\e908";
}

.icon-logout:before {
  content: "\e909";
}

.icon-my-page:before {
  content: "\e90a";
}

.icon-news:before {
  content: "\e90b";
}

.icon-page-top:before {
  content: "\e90c";
}

.icon-profile:before {
  content: "\e90d";
}

.icon-search:before {
  content: "\e90e";
}

.icon-setting:before {
  content: "\e90f";
}

.icon-speech-off:before {
  content: "\e910";
}

.icon-speech-on:before {
  content: "\e911";
}

.icon-triangle-down:after {
  content: "\e912";
}

.icon-bad:before {
  content: "\e913";
}

.icon-good:before {
  content: "\e914";
}

.icon-user:before {
  content: "\e915";
}

.icon-accessibility:before {
  content: "\e91a";
}

.icon-arrow-down:before {
  content: "\e916";
}

.icon-arrow-left:before {
  content: "\e917";
}

.icon-arrow-right:before {
  content: "\e918";
}

.icon-chart:before {
  content: "\e919";
}

/* base
================================================== */
html {
  -webkit-print-color-adjust: exact;
  height: 100%;
  font-size: 100%;
}

@media screen and (min-width: 750px) {
  html {
    font-size: 112.5%;
  }
}

@media print, screen and (min-width: 1160px) {
  html {
    font-size: 125%;
  }
}

body {
  display: flex;
  position: relative;
  flex-direction: column;
  min-height: 100%;
  margin: 0;
  background: #F5F5F5 !important;
  color: #1A1A1A;
  font-weight: 400;
  font-size: 1em;
  font-family: "Noto Sans JP", sans-serif;
}

body.is-hidden {
  overflow: hidden;
}

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

h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin: 0;
  line-height: 1;
}

p {
  line-height: 1;
}

a {
  text-decoration: none;
}

.lecture-list-menu, .lecture-list-child, .lecture-list-grandchild {
  margin: 0;
  padding: 0;
  list-style: none;
}

.header-accessibility-multilingual, .button, .lecture-list-name, .lecture-lesson-link:not(.is-active), .lecture-lesson-footLink {
  -webkit-user-select: none;
  display: block;
  cursor: pointer;
  user-select: none;
}

.header-accessibility-furigana, .header-info-username {
  display: flex;
  align-items: center;
}

.header-dropdown-link, .p-nav__link, .footer-nav-link, .button, .card-link, .lecture-nav-button, .lecture-list-display, .lecture-list-name, .lecture-list-link, .lecture-lesson-link:not(.is-active), .lecture-lesson-like, .lecture-lesson-footLink {
  transition: all 0.2s ease-in-out;
}
.header-dropdown-link:hover, .p-nav__link:hover, .footer-nav-link:hover, .button:hover, .card-link:hover, .lecture-nav-button:hover, .lecture-list-display:hover, .lecture-list-name:hover, .lecture-list-link:hover, .lecture-lesson-link:hover:not(.is-active), .lecture-lesson-like:hover, .lecture-lesson-footLink:hover,
.header-dropdown-link:active, .p-nav__link:active, .footer-nav-link:active, .button:active, .card-link:active, .lecture-nav-button:active, .lecture-list-display:active, .lecture-list-name:active, .lecture-list-link:active, .lecture-lesson-link:active:not(.is-active), .lecture-lesson-like:active, .lecture-lesson-footLink:active {
  opacity: 0.75;
}

.wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

.main {
  flex: 1 1 auto;
}

.container {
  max-width: 1160px;
}

.container-small {
  max-width: 680px;
}

.gutter {
  padding: 0 0.3em;
}

.flex-align {
  display: flex;
  align-items: center;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* header
================================================== */
.header-accessibility {
  box-sizing: border-box;
}

.header-accessibility-head {
  padding: 1.1rem 1.5rem;
}

.header-accessibility-heading::before {
  margin-right: 0.6rem;
  font-size: 1.2rem;
}

.header-accessibility-content {
  display: none;
  padding: 0 1.5rem 1.1rem;
}

.header-accessibility-content[aria-hidden="false"] {
  display: block;
}

.header-accessibility-wrap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: center;
  border-top: 1px solid #B3B3B3;
}

.header-accessibility-wrap:first-child {
  padding: 1.2rem 0;
  gap: 1.8rem;
}

.header-accessibility-wrap:nth-child(2) {
  padding: 0.7rem 0;
}

.header-accessibility-wrap:nth-child(3) {
  padding: 1.2rem 0 0.1rem;
}

.header-accessibility-select {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: 100%;
  gap: 10px 5px;
}

.header-accessibility-selectLabel {
  grid-row: 1 / 2;
  grid-column: 1 / 4;
}

.header-accessibility-label {
  width: 100%;
  border: none;
  background: transparent;
  font-weight: 700;
  font-size: 1em;
  word-break: keep-all;
}

.header-accessibility-box {
  box-sizing: border-box;
  position: relative;
  width: 44px;
  height: 44px;
  padding: 0.1rem;
  border: 2px solid #BFBFBF;
  background: #fff;
  font-weight: 700;
  text-align: center;
}

.header-accessibility-box:not(.is-active) {
  cursor: pointer;
}

.header-accessibility-box._small {
  font-size: 1em;
}

.header-accessibility-box._medium {
  font-size: 1.5em;
}

.header-accessibility-box._large {
  font-size: 2em;
}

.header-accessibility-box._black .header-accessibility-boxInner {
  background: #1A1A1A;
}

.header-accessibility-box._black .header-accessibility-boxLine {
  background: #fff;
}

.header-accessibility-box._yellow .header-accessibility-boxInner {
  background: #F9DD10;
}

.header-accessibility-box.is-active {
  border-color: #1A1A1A;
}

.header-accessibility-boxInner {
  flex-direction: column;
  width: 100%;
  height: 100%;
}

.header-accessibility-boxLine {
  width: 100%;
  max-width: 24px;
  height: 4px;
  background: #1A1A1A;
}

.header-accessibility-boxLine:first-child {
  margin-bottom: 0.4rem;
}

.header-accessibility-switch {
  -webkit-user-select: none;
  display: inline-block;
  position: relative;
  cursor: pointer;
          user-select: none;
}

.header-accessibility-switchInput {
  position: absolute;
  width: 0;
  height: 0;
  cursor: pointer;
  opacity: 0;
}

.header-accessibility-switchInput:checked ~ .header-accessibility-switchControl {
  background: #43A047;
}

.header-accessibility-switchInput:checked ~ .header-accessibility-switchControl:after {
  left: 1.4rem;
}

.header-accessibility-switchInput:focus ~ .header-accessibility-switchControl {
  box-shadow: 0 0 4px #000;
}

.header-accessibility-switchControl {
  position: absolute;
  top: -0.3rem;
  left: 4.7rem;
  width: 3rem;
  height: 1.8rem;
  border-radius: 1rem;
  background-color: #808080;
  transition: background-color 0.2s ease-in;
}

@media print, screen and (min-width: 1160px) {
  .header-accessibility-switchControl {
    width: 2.6rem;
    height: 1.6rem;
  }
}

.header-accessibility-switchControl:after {
  position: absolute;
  top: 0.2rem;
  left: 0.25rem;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 50%;
  background: #F5F5F5;
  content: "";
  transition: left 0.2s ease-in;
}

@media print, screen and (min-width: 1160px) {
  .header-accessibility-switchControl:after {
    width: 1.2rem;
    height: 1.2rem;
  }
}

.header-accessibility-speech {
  margin-right: 1.6rem;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.header-accessibility-speech::after {
  margin-left: 0.5rem;
  content: "\e910";
  color: #808080;
  font-size: 2.5rem;
  font-family: 'icomoon';
}

.header-accessibility-speech .header-accessibility-label {
  min-width: 100px;
}

.header-accessibility-speech.is-active::after {
  content: "\e911";
  color: #43A047;
}

.header-accessibility-multilingual {
  position: relative;
  min-width: 200px;
}

.header-accessibility-multilingual span:first-child {
  margin-right: 0.5rem;
  letter-spacing: 0.05rem;
}

.header-accessibility-multilingual .header-dropdown-menu {
  left: 0;
}

.header-accessibility-multilingual .header-accessibility-label {
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
}

.header-accessibility-multilingual .header-accessibility-label::after {
  margin-left: 0.6rem;
}

.header-info {
  padding: 1.4rem 1.5rem 0.8rem;
  background: #fff;
}

.header-info-logo {
  margin-right: 1rem;
  padding: 0.7rem 1.6rem;
  background: #EC5B04;
  font-weight: 700;
  text-align: center;
}

.header-info-title {
  font-size: 1.25em;
}

.header-info-wrap {
  position: relative;
}

.header-info-wrap:last-child {
  justify-content: flex-end;
  margin-top: 1rem;
}

.header-info-myPage {
  margin-right: 1.6rem;
  font-size: 0.875em;
}

.header-info-myPage::before {
  margin-right: 0.5rem;
  font-size: 2rem;
}

.header-info-user {
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  cursor: pointer;
  transition: all 2s ease-in-out;
}

.header-info-avatar {
  margin-right: 1rem;
}

.header-info-username {
  margin-left: -0.625em;
  font-size: 0.875em;
}

.header-info-username::after {
  margin: 0.2rem 0 0 0.4rem;
}

.header-info .header-dropdown-menu {
  right: 0;
}

.header-dropdown-menu {
  box-sizing: border-box;
  display: none;
  z-index: 5;
  position: absolute;
  top: calc(28px + 0.3rem);
  width: auto;
  margin: 0;
  padding: 1rem 1.5rem;
  border: 1px solid #CCCCCC;
  background: #fff;
  list-style: none;
  filter: drop-shadow(0px 4px 8px rgba(0, 0, 0, 0.161));
}

@media print, screen and (min-width: 1160px) {
  .header-dropdown-menu {
    top: calc(28px + 0.8rem);
  }
}

.header-dropdown-menu[aria-hidden="false"] {
  display: block;
}

.header-dropdown-item:not(:last-child) {
  margin-bottom: 1.4rem;
}

.header-dropdown-link {
  display: flex;
  align-items: center;
  word-break: keep-all;
}

.header-dropdown-link::before {
  margin: 0.1rem 0.4rem 0 0;
}

.header-dropdown-langIcon {
  width: 1.4rem;
  max-width: 20px;
  margin-right: 0.5rem;
}

/* navigation
================================================== */
.p-nav {
  z-index: 20;
  position: relative;
}

.p-nav__menu {
  box-sizing: border-box;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.p-nav__item {
  border-top: 1px solid #cecece;
}

.p-nav__item:last-child {
  border-bottom: 1px solid #cecece;
}

.p-nav__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 15px 0;
  color: #323232;
  font-size: 1.6rem;
  line-height: 1.2;
  font-family: "Noto Sans JP", sans-serif;
  text-align: center;
  cursor: pointer;
}

.p-nav__text {
  -webkit-user-select: none;
          user-select: none;
}

/* footer
================================================== */
.footer {
  padding: 2rem 0 2.2rem;
  background: #E6E6E6;
}

.footer-pageTop {
    /*  visibility: hidden;*/
    z-index: 5;
    position: fixed;
    right: 16px;
    bottom: 5%;
    cursor: pointer;
    opacity: 0;
    transition: opacity 1s,display 1s allow-discrete;
    display:none;
}

.footer-pageTop.is-active {
    opacity: 1;
    display: block;
}

@starting-style {
    .footer-pageTop.is-active {
        opacity: 0;
    }
}

.footer-pageTop-icon {
    width: 54px;
    height: 54px;
}

@media print, screen and (min-width: 1160px) {
    .footer-pageTop-icon {
        width: 64px;
        height: 64px;
    }
}

.footer-nav-list {
  margin: 0 0 3rem 0;
  padding: 0;
  list-style: none;
}

.footer-nav-item:not(:last-child) {
  margin-bottom: 1.3rem;
}

.footer-nav-link {
  display: block;
  color:#0033ff;
  font-size: 0.875em;
}

.footer-copyright {
  text-align: center;
}

.footer-copyright small {
  font-size: 0.75em;
}

/* c-text
================================================== */
.button {
  -webkit-user-select: none;
  box-sizing: border-box;
  display: flex;
  position: relative;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 320px;
  margin-right: auto;
  margin-left: auto;
  padding: 0.9rem 0;
  border-width: 2px;
  border-style: solid;
  border-radius: 8px;
  font-weight: 700;
  line-height: normal;
  transition: all 0.2s ease-in-out;
          user-select: none;
}

.button._fill {
  border-color: #0866FF;
  background: #0866FF;
  color: #fff;
}

.button._outline {
  background: transparent;
}

.button._primary {
  border-color: #0866FF;
  color: #0866FF;
}

.button._secondary {
  color: #fff;
}

  .button._ok {
    /*変更前の色： #43A047*/
    border-color: #338037;
    background: #338037;
  }

.button._cancel {
  border-color: #DF4036;
  background: #DF4036;
}

.expanded-button {
  box-sizing: border-box;
  position: relative;
  width: 1.2rem;
  height: 1.2rem;
  border: 2px solid #0866FF;
  border-radius: 4px;
  background: #fff;
  font-size: 1em;
  cursor: pointer;
  transition: all .2s;
}

.expanded-button-icon span {
  box-sizing: border-box;
  display: inline-block;
  position: absolute;
  width: 12px;
  height: 2px;
  border-radius: 16px;
  background: #0866FF;
  transition: all .2s;
}

.expanded-button-icon span:nth-of-type(1) {
  transform: rotate(0deg);
}

.expanded-button-icon span:nth-of-type(2) {
  transform: rotate(90deg);
}

.expanded-button[aria-expanded="true"] .expanded-button-icon span:nth-of-type(1) {
  display: none;
}

.expanded-button[aria-expanded="true"] .expanded-button-icon span:nth-of-type(2) {
  transform: rotate(180deg);
}

.expanded-button[aria-expanded="true"] + .search-form {
  display: block;
}

/* card
================================================== */
.card-block {
  margin-bottom: 5rem;
}

.card-link {
  display: grid;
  background: #fff;
  filter: drop-shadow(0px 4px 8px #DCDEE1);
  max-width: 680px;
  min-height: 185px;
}

.card-link+.card-link {
  margin-left: 0;
}

.card-inner {
  padding: 0.4rem 1rem 1rem;
}

.card-heading {
  margin-bottom: 1.8rem;
  font-size: 1.25em;
}

.card-list {
  display: grid;
  gap: 1.5em;
}

.card-thumbnail {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-thumbnail-cover {
  position: relative;
  width: 100%;
  height: 100%;
}

.card-thumbnail-cover:before {
  display: block;
  padding-top: 56.25%;
  content: "";
}

.card-title {
  font-size: 1em;
  line-height: 1.5;
  word-break: break-all;
}

.card-status {
  margin: 0 0.67em 0.67em 0;
  padding: 0.4rem 0.6rem;
  color: #fff;
  font-weight: 700;
  font-size: 0.75em;
}

.card-status-wrap {
  display: flex;
  flex-wrap: wrap;
  margin: 0.5rem 0 0.6rem;
}

.card-status.is-accent {
  background: #F39700;
}

.card-status.is-feedback {
  background: #43A047;
}

.card-date {
  font-size: 0.875em;
}

/* search
================================================== */
.search-block {
  margin-bottom: 2.3rem;
  border: 1px solid #CCCCCC;
  background: #fff;
/*  max-width: 680px;*/
}

.search-head {
  padding: 0.3rem 0.3rem;
  cursor: pointer;
}

.search-title {
  -webkit-user-select: none;
  font-size: 1.25em;
          user-select: none;
}

.search-title::before {
  margin-right: 0.7rem;
  font-size: 1em;
}

.search-form {
  display: none;
  padding: 1.3rem 1rem;
}

.search-form[aria-hidden="false"] {
  display: block;
}

/* search
================================================== */
.form-input, .form-date {
  -webkit-appearance: none;
  box-sizing: border-box;
  appearance: none;
  width: 100%;
  border: 1px solid #999999;
  border-radius: 0;
  background: #fff;
  line-height: 1;
  filter: drop-shadow(0px 2px 6px rgba(0, 0, 0, 0.039));
}

.form-input::placeholder, .form-date::placeholder {
  color: #B3B3B3;
}

.form-input::-webkit-input-placeholder, .form-date::-webkit-input-placeholder {
  color: #B3B3B3;
}

.form-input:-ms-input-placeholder, .form-date:-ms-input-placeholder {
  color: #B3B3B3;
}

.form-input::-moz-placeholder, .form-date::-moz-placeholder {
  color: #B3B3B3;
}

.form-input::-webkit-calendar-picker-indicator, .form-date::-webkit-calendar-picker-indicator {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  margin-left:-0.95rem;
  margin-right:0px;
}

.form-control:not(:last-child) {
  margin-bottom: 2rem;
}

.form-label {
  display: block;
  margin-bottom: 0.6rem;
  font-weight: 700;
  font-size: 1em;
}

.form-input {
  padding: 0.95rem;
}

.form-select {
  -webkit-appearance: none;
  box-sizing: border-box;
  display: flex;
  appearance: none;
  justify-content: space-between;
  width: 100%;
  padding: 0.9rem 0rem 0.9rem 0.5rem;
  border: 1px solid #999;
/*  border-right: 1px solid #0866FF;*/
  border-radius: 0;
  background: #fff;
  font-size: 1rem;
  line-height: normal;
}

.form-select-wrap {
  display: flex;
  position: relative;
  justify-content: space-between;
  filter: drop-shadow(0px 2px 6px rgba(0, 0, 0, 0.039));
}

.form-select-wrap::after {
  display: flex;
  position: absolute;
  top: 50%;
  right: -1.2rem;
  align-items: center;
  justify-content: center;
  height: 100%;
  height: 56px;
  min-height: 100%;
  max-height: 100%;
  padding: 0 1.2rem;
  transform: translate(-50%, -50%);
  background-color: #0866FF;
  color: #fff;
  pointer-events: none;
  background-image: url(../img/down-arrow.svg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 1.5rem;
  content: "";
}

.form-radio {
  /*  position: absolute;
  opacity: 0;*/
  -webkit-transform: scale(3);
  transform: scale(3);
  margin: 15px;
}

.form-radio-mac {
  margin-bottom: 15px;
  width: 20px;
  height: 20px;
}

.form-radio-fieldset {
  padding: 0;
  border: none;
}

.form-radio + .form-radio-text::before {
/*  box-sizing: border-box;
  display: inline-block;
  position: relative;
  width: 2.8rem;
  height: 2.8rem;
  margin-right: 0.5rem;
  border: 4px solid #707070;
  border-radius: 100%;
  content: "";
  text-align: center;
  vertical-align: top;
  cursor: pointer;
  transition: all 250ms ease;*/
}

@media print, screen and (min-width: 1160px) {
  .form-radio + .form-radio-text::before {
/*    width: 2.2rem;
    height: 2.2rem;*/
  }
}

.form-radio:checked + .form-radio-text::before {
/*  border-color: #0866FF;
  background-color: #0866FF;
  box-shadow: inset 0 0 0 0.5rem #fff;*/
}

@media print, screen and (min-width: 1160px) {
  .form-radio:checked + .form-radio-text::before {
/*    box-shadow: inset 0 0 0 0.3rem #fff;*/
  }
}

.form-radio-wrap {
  display: flex;
  margin-right: 2rem;
}

.form-radio-text {
/*  display: inline-flex;
  position: relative;
  align-items: center;
  font-weight: 700;
  font-size: 1em;
  cursor: pointer;*/
}

.form-date {
  position: relative;
  min-height: 54px;
  padding: 1.15rem 0.95rem;
}

.form-date + span {
  font-weight: 700;
  white-space: nowrap;
}

.form-date-wrap {
  display: grid;
  grid-template-columns: 1fr 32px;
  align-items: center;
  gap: 0.5rem;
}

.form-date-wrap:not(:last-child) {
  margin-bottom: 1.5rem;
}

.form-checkbox {
  /*  -webkit-appearance: none;
  appearance: none;
  position: absolute;
  opacity: 0;*/
  -webkit-transform: scale(3);
  transform: scale(3);
  margin: 15px;
}

.form-checkbox-mac {
  margin-bottom: 15px;
  width: 20px;
  height: 20px;
}

.form-checkbox + .form-checkbox-icon {
/*  box-sizing: border-box;
  display: inline-block;
  position: relative;
  width: 2.8rem;
  height: 2.8rem;
  margin-right: 0.25rem;
  border-radius: 0.25rem;
  vertical-align: middle;*/
}

@media print, screen and (min-width: 1160px) {
  .form-checkbox + .form-checkbox-icon {
/*    width: 2.2rem;
    height: 2.2rem;*/
  }
}

.form-checkbox + .form-checkbox-icon:after {
/*  box-sizing: border-box;
  display: inline-block;
  position: absolute;
  top: 0;
  left: 0;
  width: 2.8rem;
  height: 2.8rem;
  border: 3px solid #808080;
  border-radius: 0.25rem;
  background: #fff;
  box-shadow: none;
  content: "";*/
}

@media print, screen and (min-width: 1160px) {
  .form-checkbox + .form-checkbox-icon:after {
/*    width: 2.2rem;
    height: 2.2rem;*/
  }
}

.form-checkbox-label {
  cursor: pointer;
}

table .form-checkbox-label {
/*  margin-top: 0.5rem;*/
}

.form-checkbox-text {
/*  -webkit-user-select: none;
  font-weight: 700;
  letter-spacing: 0;
  user-select: none;*/
}

.form-checkbox-icon {
/*  position: relative;*/
}

.form-checkbox:checked + .form-checkbox-icon {
/*  background: #0866FF;*/
}

.form-checkbox:checked + .form-checkbox-icon:after {
/*  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 34px;
  height: 25px;
  transform: translate(-50%, -50%);
  border: none;
  background: transparent;
  background: url(../img/icon-check.svg) no-repeat 50% 50%/contain;
  box-shadow: none;
  content: "";*/
}

.form-checkbox:focus + .form-checkbox-icon {
/*  box-shadow: 0 0 4px #0866FF;*/
}

/* lecture
================================================== */
.lecture-title {
  padding: 1.6rem;
  background: #1A1A1A;
  color: #fff;
  font-weight: 700;
  font-size: 1.5em;
  letter-spacing: 0.05rem;
}

.lecture-title span {
  display: block;
}

.lecture-nav {
  padding: 0.4rem 0.4rem 0;
  background: #E6E6E6;
}

.lecture-nav-menu {
  margin: 0;
  padding: 0;
  list-style: none;
}

.lecture-nav-item {
  flex: 1;
  text-align: center;
}

.lecture-nav-item:not(:last-child) {
  margin-right: 2px;
}

.lecture-nav-button {
  display: block;
  width: 100%;
  padding: 0.6rem 0 0.5rem;
  border: none;
  background: #fff;
  font-weight: 700;
  font-size: 0.625em;
  text-align: center;
}

.lecture-nav-button::before {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 1.5em;
}

.lecture-nav-button[aria-selected="true"] {
  background: #B3B3B3;
  pointer-events: none;
}

.lecture-nav-button:not(.is-active) {
  cursor: pointer;
}

.lecture-block-wrap {
  padding: 1rem 1.5em 0;
}

.lecture-block-content[aria-hidden="true"] {
  display: none;
}

@media print, screen and (min-width: 1160px) {
  .lecture-list-overlay {
    max-height: 576px;
    overflow-y: scroll;
  }
}

.lecture-list-overlay.is-active {
  z-index: 10;
  position: fixed;
  top: 0%;
  left: 0;
  width: 100%;
  height: 100%;
  padding-bottom: 100px;
  overflow-y: scroll;
  background: rgba(26, 26, 26, 0.9);
}

@media print, screen and (min-width: 1160px) {
  .lecture-list-overlay.is-active {
    position: static;
    padding-bottom: 0;
    background: transparent;
  }
}

.lecture-list-overlay.is-active .lecture-list-block {
  padding: 1.5rem;
}

.lecture-list-inner {
  border: 1px solid #CCCCCC;
}

.lecture-list-head {
  padding: 1rem 0.875rem;
  border-bottom: 1px solid #CCCCCC;
  background: #fff;
}

.lecture-list-title {
  font-size: 1em;
}

.lecture-list-button {
  position: relative;
  width: 20px;
  height: 20px;
  border: none;
  background: transparent;
}

.lecture-list-button[aria-expanded="true"] .lecture-list-line--middle {
  background: rgba(51, 51, 51, 0);
}

.lecture-list-button[aria-expanded="true"] .lecture-list-line--top {
  transform: rotate(-45deg) translateY(0px);
}

.lecture-list-button[aria-expanded="true"] .lecture-list-line--bottom {
  transform: rotate(45deg) translateY(0px);
}

.lecture-list-line {
  display: block;
  position: absolute;
  top: 50%;
  width: 20px;
  height: 2px;
  background: #0866FF;
  transition: all .2s;
}

.lecture-list-line--top {
  transform: translateY(-0.35rem);
}

.lecture-list-line--bottom {
  transform: translateY(0.35rem);
}

.lecture-list-content {
  display: none;
  background: #fff;
}

.lecture-list-content[aria-hidden="false"] {
  display: block;
}

.lecture-list-display {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: none;
  background: transparent;
  text-align: right;
  cursor: pointer;
}

.lecture-list-display::after {
  display: inline-block;
  margin: 0rem 0 0 0.5rem;
  content: "\e902";
  color: #0866FF;
  font-size: 1rem;
  font-family: 'icomoon';
  vertical-align: -0.2rem;
}

.lecture-list-display.is-active::after {
  content: "\e91b";
}

.lecture-list-item {
  border-top: 1px solid #CCCCCC;
}

.lecture-list-name {
  width: 100%;
  border: none;
  background: transparent;
  text-align: left;
}

.lecture-list-name::before {
  margin-right: 0.4rem;
  color: #0866FF;
}

.lecture-list-name.is-active::before {
  content: "\e916";
}

.lecture-list-name.is-active + .lecture-list-child {
  display: block;
}

.form-date-row {
  max-width: calc(680px - (1rem * 2));
}

.lecture-list-parent-name {
  padding: 0.75rem 0.875rem;
}

.lecture-list-parent-name.is-active + .lecture-list-child {
  display: block;
}

.lecture-list-child {
  display: none;
}

.lecture-list-child-name {
  padding: 0.5rem 1rem 1rem 4rem;
}

.lecture-list-child-name.is-active + .lecture-list-grandchild {
  display: block;
}

.lecture-list-grandchild {
  display: none;
}

.lecture-list-link {
  display: block;
  padding: 0 1rem 1rem 4rem;
  color: #0866FF;
  line-height: 1.6;
  text-decoration: underline;
}

.lecture-lesson-block {
  margin-top: 0.5rem;
}

.lecture-lesson-nav {
  margin-bottom: 0.5rem;
}

.lecture-lesson-menu {
  margin: 0;
  padding: 0;
  border-radius: 36px;
  background: #fff;
  list-style: none;
}

.lecture-lesson-item {
  flex: 1;
  text-align: center;
}

.lecture-lesson-item:first-child, .lecture-lesson-item:last-child {
  max-width: 4rem;
}

.lecture-lesson-item:first-child .lecture-lesson-link, .lecture-lesson-item:last-child .lecture-lesson-link {
  border-left: none;
  background: #0866FF;
  color: #fff;
}

.lecture-lesson-item:first-child .lecture-lesson-link {
  border-radius: 36px 0 0 36px;
}

.lecture-lesson-item:last-child .lecture-lesson-link {
  border-radius: 0 36px 36px 0;
}

.lecture-lesson-item:nth-child(2) .lecture-lesson-link {
  border-left: none;
}

.lecture-lesson-link {
  box-sizing: border-box;
  display: block;
  padding: 1.1rem 0;
  border-top: 1px solid #0866FF;
  border-bottom: 1px solid #0866FF;
  border-left: 1px solid #CCCCCC;
}

.lecture-lesson-link.is-active {
  background: #B3B3B3;
  cursor: auto;
}

.lecture-lesson-content {
  padding: 1rem 0;
  background: #fff;
}

.lecture-lesson-title {
  margin-bottom: 1.2rem;
  padding: 0 1rem;
}

.lecture-lesson-video {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
}

.lecture-lesson-iframe {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
}

.lecture-lesson-inner {
  padding: 1.5rem 1rem 1.3rem;
}

.lecture-lesson-text {
  font-size: 1em;
  line-height: 1.5;
}

.lecture-lesson-evaluation {
  margin: 1rem 0 1.5rem;
}

.lecture-lesson-like {
  -webkit-user-select: none;
  padding: 0;
  border: none;
  background: transparent;
  color: #0866FF;
  font-size: 1.4rem;
  cursor: pointer;
          user-select: none;
}

.lecture-lesson-like:first-child {
  margin-right: 1.5rem;
}

.lecture-lesson-download {
  margin-bottom: 3rem;
}

.lecture-lesson-button {
  display: block;
}

.lecture-lesson-button:not(:last-of-type) {
  margin-bottom: 1rem;
}

.lecture-lesson-upload {
  margin-top: 3.2rem;
}

.lecture-lesson-uploadLabel {
  display: block;
  margin-bottom: 0.7rem;
  font-weight: 700;
  font-size: 1em;
}

.lecture-lesson-uploadButton {
  margin-top: 1rem;
}

.lecture-lesson-input {
  -webkit-appearance: none;
  appearance: none;
  position: absolute;
  opacity: 0;
}

.lecture-lesson-input:focus + span::after {
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  transform: translate(-50%, -50%);
  outline: 2px solid #000;
  content: "";
}

.lecture-lesson-foot {
  margin: 1.5rem 0 5rem;
}

.lecture-lesson-footLink {
  display: block;
  padding: 0.7rem 1rem;
  background: #0866FF;
  color: #fff;
}

.lecture-lesson-footLink.icon-arrow-left {
  margin-right: 0.2rem;
  border-radius: 36px 0 0 36px;
}

.lecture-lesson-footLink.icon-arrow-right {
  border-radius: 0 36px 36px 0;
}

/* myPage
================================================== */
.myPage-head {
  margin: 1.4rem 0;
}

.myPage-title {
  margin-bottom: 1.4rem;
  font-size: 1.5em;
  text-align: center;
}

.myPage-text {
  font-size: 1.25em;
  line-height: 1.6;
}

/* 現在日時を設定ボタンの余白調整 */
.btn.btn-current-datetime {
    margin: 0 .25rem 0 0 !important;
    height: auto;
}

.input-validation-error {
    background-color: #f8d7da !important;
}

.group-checkbox:has(.form-checkbox.input-validation-error) {
    background-color: #f8d7da !important;
}

.group-radiobutton:has(.form-radio.input-validation-error) {
    background-color: #f8d7da !important;
}

.form-file-upload:has(.input-validation-error[type="file"]) .txt-file-name {
    background-color: #f8d7da !important;
}

.dummy-label {
    margin-left: 1rem;
}

.dummy-label-table {
    margin-left: 0rem;
}

.color-red{
    color:red;
}
/*
.form-select:focus {
    outline: 4px solid black;
}*/
select.form-input{
    line-height:normal;
}

/* プレースホルダーを非表示にするクラス */
.hide-placeholder::placeholder {
    visibility: hidden;
}

.file-drop-area {
    border: 2px dashed #494949;
    background: rgba(22, 165, 191, 0);
    transition: all 0.25s cubic-bezier(0.21, 0.51, 0.51, 1);
    position:relative;
}
    .file-drop-area.dragover {
        border: 2px solid #16a5bf;
        background: rgba(22, 165, 191, 0.6);
    }

.input-drop-file{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    opacity:0;
}