@charset "UTF-8";
@import url(reset.css);

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:where([hidden]:not([hidden="until-found"])) {
  display: none !important;
}
:where(html) {
  -webkit-text-size-adjust: none;
  color-scheme: dark light;
  tab-size: 2;
}
@media (prefers-reduced-motion: no-preference) {
  :where(html:focus-within) {
    scroll-behavior: smooth;
  }
}
:where(body) {
  line-height: 1.5;
  font-family: system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
:where(button) {
  all: unset;
}
:where(input, button, textarea, select) {
  font: inherit;
  color: inherit;
}
:where(textarea) {
  resize: vertical;
  resize: block;
}
:where(button, label, select, summary, [role="button"], [role="option"]) {
  cursor: pointer;
}
:where(:disabled) {
  cursor: not-allowed;
}
:where(label:has(> input:disabled), label:has(+ input:disabled)) {
  cursor: not-allowed;
}
:where(a) {
  color: inherit;
  text-underline-offset: .2ex;
}
:where(ul, ol) {
  list-style: none;
}
:where(img, svg, video, canvas, audio, iframe, embed, object) {
  display: block;
}
:where(img, picture, svg, video) {
  max-inline-size: 100%;
  block-size: auto;
}
:where(p, h1, h2, h3, h4, h5, h6) {
  overflow-wrap: break-word;
}
:where(h1, h2, h3) {
  line-height: calc(1em + .5rem);
  text-wrap: balance;
}
:where(hr) {
  border: none;
  border-block-start: 1px solid;
  color: inherit;
  block-size: 0;
  overflow: visible;
}
:where(:focus-visible, :target) {
  scroll-margin-block: 8vh;
}
:where(.visually-hidden:not(:focus-within, :active)) {
  clip-path: inset(50%) !important;
  height: 1px !important;
  width: 1px !important;
  overflow: hidden !important;
  position: absolute !important;
  white-space: nowrap !important;
  border: 0 !important;
}

body {
  background: #f5f5f5;
  background-image: url(../images/bgribbon.png);
  background-repeat: repeat-x;
  background-position: bottom 50px left 0;
  background-size: 100%;
  display: flex;
  flex-direction: column;
  min-height:100vh;
}

header {
  width: 100%;
  height: 56px;
  padding: 8px 16px;
  background-color: #1e90ff;
  border-bottom: 10px double #f5f5f5;
  position: absolute;
  top: 0;
}

header::after {
  content: "";
  display: block;
  position: relative;
  background: url(../images/header_bg.svg);
  background-repeat: no-repeat;
  top: -55px;
  left: -18px;
  width: 164px;
  height: 60px;
  z-index: 20;
}

header img {
  background: #fff;
  z-index: 30;
  position: relative;
}

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


div.menu_area{
  width:160px;
  margin:0;
  padding:6px 0;
  background-color:#fff;
  border:1px solid rgb(0,0,0,0.176);
  border-radius: 8px;
  position:absolute;
  right: 0;
  top:50px;
  z-index:100;
  display:none;
}
div.menu_area a{
  width:100%;
  line-height: 32px;
  text-indent:6px;
  text-decoration: none;
  display:block;
}
div.menu_area a:hover{
  background-color: #e5e5e5;
}

main {
  width: 100%;
  max-width: 1140px;
  margin: 68px auto 0;
  min-height: calc(100lvh - 56px - 120px);
  padding: 0 0 100px;
  line-height: 1.5;
}

main #contents_area {
  width: 100%;
}

h1 {
  color: rgb(108, 117, 125);
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: .375rem;
}

h2 {
  color: rgb(108, 117, 125);
  text-align: center;
  margin-bottom: 1rem;
}

footer {
  background: #d3d3d3;
  display: flex;
  margin-top: auto;
  bottom: 0;
  width: 100%;
  padding: 16px;
  column-gap: 32px;
  color: rgb(108,117,125);
}

footer a:hover {
  color: #f4faff;
}

#login_area h1 {
  text-align: center;
}

#login_area h2 {
  text-align: center;
  color: #6c757d;
}

.login-form {
  width: 100%;
  margin: 120px auto 0;
}

.register-form {
  margin-top: 64px;
}

.register-form p {
  text-align: center;
}

.form-area {
  background: #fff;
  border: rgb(108, 117, 125) solid 1px;
  padding: 24px;
  border-radius: .25rem;
  width: 100%;
  max-width: 370px;
  margin: 0 auto;
}

.register-form .form-area {
  background: transparent;
  border: none;
  padding: 24px 0;
}

.register-form p.supplement_password {
  font-size: .86em;
  text-align: left;
}

.register-form #pass {
  margin-bottom: 0;
}

.register-form #other-occupation {
  display: none;
}

.register-form #other-occupation.ex {
  display: block;
}

.form-area .error-msg {
  color: rgb(220 53 69);
  margin-bottom: .5rem;
  text-align: center;
}

.form-area input {
  width: 100%;
  margin-bottom: 1rem;
  padding: .375rem .75rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  border: #ced4da solid 1px;
  border-radius: .375rem;
  transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

.form-area input:focus {
  color: #212529;
  background-color: #fff;
  border-color: #86b7fe;
  outline: 0;
  box-shadow: 0 0 0 .25rem #0d6efd40;
}

.form-area select {
  appearance: none;
  width: 100%;
  margin-bottom: 1rem;
  padding: .375rem .75rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  border: #ced4da solid 1px;
  border-radius: .375rem;
  transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

.form-area dd:has(select)::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-top: 2px solid #ccc;
  border-left: 2px solid #ccc;
  transform: translateY(-50%) rotate(-135deg);
  pointer-events: none;
  margin-left: -1.85rem;
  margin-top: 1rem;
}

.form-area select:focus {
  color: #212529;
  background-color: #fff;
  border-color: #86b7fe;
  outline: 0;
  box-shadow: 0 0 0 .25rem #0d6efd40;
}

.form-area fieldset {
  border: none;
  margin-bottom: 1rem;
}

.form-area fieldset legend {
  margin-bottom: 0.125rem;
  line-height: 1.5;
}

.form-area fieldset legend.personal-info-text {
  font-size: .8em;
  margin-bottom: .5rem;
}

.form-area fieldset legend.personal-info-text a {
  color: #0d6efd;
}

.form-area fieldset legend.personal-info-text a:hover {
  color: #0168b7;
}

.form-area fieldset .radio {
  display: flex;
  justify-content: left;
  min-height: 1.5rem;
  margin-bottom: 0.125rem;
}

.form-area fieldset input[type="radio"] {
  margin: 0.25em 0.25em 0 0;
  padding: 0;
  width: 1em;
  height: 1em;
  border: rgba(0, 0, 0, .25) solid 1px;
  border-radius: 50%;
}

.form-area fieldset input[type="radio"]:focus {
  border-color: #86b7fe;
  outline: 0;
  box-shadow: none;
}

.form-area fieldset input[type="checkbox"] {
  margin: 0.25em 0.25em 0 0;
  padding: 0;
  width: 1em;
  height: 1em;
  vertical-align: top;
  border: rgba(0, 0, 0, .25) solid 1px;
  border-radius: .25rem;
}

.form-area fieldset input[type="checkbox"]:focus {
  border-color: #86b7fe;
  outline: 0;
  box-shadow: none;
}

.form-area #eye,
.form-area #eye2 {
  position: absolute;
  margin-top: 0.75rem;
  margin-left: -2.15rem;
  color: #6c757d;
  z-index: 10;
  background: #fff;
  border-left: #ccc solid 1px;
  padding-left: 4px
}

.btn {
  width: 100%;
  display: block;
  padding: .375rem .75rem;
  font-weight: 400;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  color: #212529;
  border: rgb(108, 117, 125) solid 1px;
  border-radius: .375rem;
  transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
  cursor: pointer;
}

.btn:hover {
  background-color: #6c757d;
  border-color: #6c757d;
  color: #fff;
}

.form-area .btn.login {
  background-color: #e50065;
  color: #fff;
  border: none;
}

.form-area .btn.login:hover {
  background: #ec408c;
}

.form-area .btn.send {
  background-color: #e50065;
  color: #fff;
  border: none;
  width: auto;
}

.form-area .btn.send:hover {
  background: #ec408c;
}

.form-area .forgot {
  display: flex;
}

.form-area .forgot::before {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  border-style: solid;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 6px solid #6c757d;
  border-right: 0;
  margin-right: 4px;
  margin-top: 0.25rem;
}

.form-area .forgot a {
  color: #0d6efd;
}

.form-area .forgot a:hover {
  color: #0a58ca;
}

.register {
  width: 100%;
  max-width: 370px;
  margin: 1.5rem auto 0;
  padding: 0 1.5rem;
}

.logo {
  margin: 50px auto 0;
  max-width: 370px;
  display: flex;
  justify-content: center;
}

.logo a:hover {
  opacity: .8;
}

.logo img {
  width: 100%;
  max-width: 120px;
}

h1{
	font-size:2em;
	font-weight: 500;
	color:#6c757d;
	text-align:left;
}
h1::before{
	content: '';
	display: inline-block;
	width: 32px;
	height: 24px;
	margin-top:-8px;
	margin-right: 8px;
	background-image: url(../images/icon_videos.png);
	background-size: contain;
	vertical-align: middle;
}

/*共通パーツ*/
#wrap {
	width: 100%;
	margin: 80px auto 0;
}

#contents_area{
	width:100%;
  max-width: 1200px;
	margin:0 auto 0;
	text-align:left;
}
div.btn_menu{
	width:32px;
}
div.btn_menu:hover{
	cursor:pointer;
}
div.btn_menu img{
	width:100%;
}

/*videos*/
h1{
	font-size:2em;
	font-weight: 500;
	color:#6c757d;
	text-align:center;
}
h1::before{
	content: '';
	display: inline-block;
	width: 32px;
	height: 24px;
	margin-top:-8px;
	margin-right: 8px;
	background-image: url(../images/icon_videos.png);
	background-size: contain;
	vertical-align: middle;
}
ul.videos_list{
	width:75%;
	margin:8px auto 0;
	padding:16px 0;
	background-color:#fff;
	border-radius: 8px;
	display:flex;
	flex-wrap:wrap;
	row-gap: 30px;
}
ul.videos_list li{
  display: flex;
  align-items: center;
	width:97%;
	margin:0 auto 0;
	padding:4px 0;
	border:1px solid rgb(0,0,0,0.176);
	border-radius: 6px;
}
ul.videos_list li a{
  width: 100%;
  max-width: 240px;
  height: 80px;
  border-radius: 1rem;
  border: #6c757d solid 1px;
  margin:0 16px;
	text-decoration: none;
	display:flex;
  justify-content: center;
	align-items: center;
  column-gap: 16px;
  background-color: #6c757d;
  color: #fff;
}
ul.videos_list li a[href]{
  background-color: #0d6efd;
}
ul.videos_list li a[href]:hover{
  background: #fff;
  border: #0d6efd solid 1px;
  color: #0d6efd;
}
ul.videos_list li a img{
	width:30%;
}
ul.videos_list div.info_area{
	flex-grow: 1;
  margin-left: 16px;
}
ul.videos_list div.info_area p {
  margin-bottom: 1rem;
}
h2 {
	color:rgb(0,0,0);
	font-size:1.3em;
	text-align: left;
	margin-top:0.5em;
	margin-bottom: 0.8rem;
}
div.announcement_title{
	width:100%;
	margin-top:20px;
	font-size:1.5em;
	font-weight:700;
	text-align: center;
}
p.announcement_cap{
	width:100%;
	margin-top:8px;
	margin-bottom:20px;
	text-align: center;
}

div.video_area{
	width: 100%;
	height: auto;
	display:flex;
	justify-content: space-between;
	column-gap: 16px;
}

div.video_area iframe {
  aspect-ratio: 16 / 9;
  height: auto;
}

div.video_annotation{
	width:100%;
	font-size:1.5em;
	text-align:center;
}

.video_info_area {
  background: #fff;
  border-radius: 0.25rem;
  border: rgb(0, 0, 0, 0.176) solid 1px;
  margin: 2.5rem 1rem;
  padding: 0 1.5rem 0.5rem;
}

.video_info_area h2 {
  font-size: 1.5rem;
  line-height: 1.5;
  border-bottom: rgb(0, 0, 0, 0.176) solid 1px;
  padding: 0.5rem;
}

p.video_caption {
  line-height: 1.5;
  font-size: 1.2rem;
  padding: 0 0.5rem 0.5rem;
}

/*240315追記*/
/*↓動画一覧ページ↓*/
span.title{
	width:fit-content;
	margin:20px auto 0;
	font-size:1.2rem;
	font-weight: bold;
	display:block;
}
span.list_caption{
	width:fit-content;
	margin:10px auto 0;
	font-size:1.2rem;
	text-align:left;
	display:block;
}

/*↓動画視聴ページ↓*/

.view_area {
  width: 100%;
  height: auto;
  display: flex;
  column-gap: 16px;
}

.video_area {
  width: 100%;
  height: auto;
}

.video_area iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
}


form.pf_area{
	width:220px;
	height:300px;
	position:relative;
}

div.pf_headline{
	font-size:0.9em;
}

form.pf_area textarea{
	resize: none;
	height:300px;
	padding:8px;
  width: 100%;
}

form.pf_area textarea:focus {
  border: none;
}

input.btn_send{
	border:0;
	width:25px;
	height:25px;
  color: transparent;
	background-color: initial;
	background-image:url("../images/icon_send.png");
	background-size: cover;
	background-repeat: no-repeat;
	position:absolute;
	bottom:-14px;
	right:8px;
}

input.btn_send:hover{
	cursor: pointer;
  background-image: url(../images/icon_send_hover.png);
}

div.pf_attention{
	font-size:0.9em;
	line-height:1.4em;
}

@media only screen and (max-width: 750px) {
  :root {
    font-size: 12px;
  }

  body {
    background-position-y: bottom;
  }

  #wrap {
    margin-top: 16px;
  }

  .view_area {
    flex-wrap: wrap;
  }

  form.pf_area {
    position: static;
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
  }

  div.pf_headline {
    text-align: center;
    margin-top: 8px;
  }

  form.pf_area textarea {
    width: calc(100vw - 32px);
    height: 6em;
    margin: 0 auto;
  }

  input.btn_send{
    position:static;
    color: #212529;
    border:#212529 solid 1px;
    width: calc(100vw - 128px);
    margin: 8px auto 16px;
    height:36px;
    background-color: #ced4da;
    background-image:url("../images/icon_send_hover.png");
    background-size: 20px;
    background-position-x: calc(50% - 2.5em);
    background-position-y: center;
  }

  div.video_info_area {
    padding: 0.5rem;
  }

  .video_info_area h2 {
    font-size: 1.2rem;
    margin: 0;
  }

  div.pf_attention {
    width: calc(100vw - 32px);
    margin: 0 auto;
  }

  ul.videos_list {
    margin: 0 auto;
    width: 100%;
  }
  ul.videos_list li {
    flex-wrap: wrap;
  }

  ul.videos_list li a{
    margin: 0 auto;
    height: 5em;
  }

  ul.videos_list li a img {
    width: 80px;
		height: 45px;
		flex-shrink: 0;
  }



}