th,
td {
    padding: 0.3em 0.6em;
    border-bottom: 1px solid #ddd;
}

.conversation_table {
	table-layout:initial;
}

.conversation_table th {
	border:none;
}

.conversation_table tr>*:first-child {
	white-space: nowrap;
}

.conversation_table td {
	border:none;
	vertical-align:top
}

.material_table {
	table-layout:initial;
}

.material_table th{
	background: #646464;
	color: white;
	text-align: left;
}

.btn-primary {
    background: #376439;
    color: #fff;
    border: 2px solid #376439;
}

.btn {
    margin-right: 4px;
    margin-bottom: 4px;
    font-family: "Raleway", Arial, sans-serif;
    font-size: 16px;
    font-weight: 400;
    border-radius: 30px;
    transition: 0.5s;
	  padding: 10px;
}

.btn a {
	text-decoration: none;
}

.site-branding .custom-logo {
	max-width: 250px;
	margin:0px;
}

.header-main {
    padding: 1.5em 2em;
}

@media only screen and (max-width: 85em) {
.header-main {
    padding: 1.5em 2em;
}
}

@media only screen and (max-width: 60em) {
.header-main {
    padding-top: 1.5em;
}	
}

@media only screen and (max-width: 50em) {
.header-main {
    padding: 1em 1.5em;
}	
}

@media only screen and (max-width: 30em){
.header-main {
    padding: 0.75em 1.25em
}
}

.page-title, .entry-title {
    font-size:30px;
}

@media only screen and (max-width: 70em){
.page-title, .entry-title {
    font-size: 28px;
 }
}

@media only screen and (max-width: 60em){
.page-title, .entry-title {
    font-size: 25px;
 }
}

.primary-navigation-wrap {
background:#646464;
}

.footer-wrap {
background:#646464;
}

button {
	background:#376439;
}

@media only screen and (max-width: 60em) {
.header-widgets {
    display: none;
}
}

h1.entry-title{
	border-top: 1px solid grey;
	border-bottom: 1px solid grey;
	padding: 10px;
	margin: 10px 0px 30px 0px;
}

.entry-content h2 {
  position: relative;
  color: #008000;
  text-shadow: 0 0 2px white;
	padding-left:30px
}

.entry-content h2:before {
  content: "";
  position: absolute;
  background: #008000;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  top: 50%;
  /* border: dashed 1px white; */
  left: 0px;
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
}

.entry-content h3{
    position: relative;
    padding: 0 0 0 16px;
	color:#555555!important
}
.entry-content h3::before{
    content: "";
    position: absolute;
    top: 50%;   /* 縦軸をセンタリングする */ 
    left: 0;
    transform: translateY(-50%);   /* 縦軸をセンタリングする */  
    border: 5px solid transparent;
    border-left: 8px solid #555;   /* 好みで色を変えてください */  
}

@media only screen and (max-width: 60em) {
	h2 {
		font-size:22px
	}
	h3 {
		font-size:20px
	}
}

.grammar_exp{
	border: 1px solid #000;
  padding: 10px 20px;
}

.review_question td{
	border:none;
	padding:0px;
	width:auto!important;
}

a:link, a:visited{
	color:#2a5f2c
}

.balloon-girl {
    display: flex;
    align-items: start;
    gap: 0 22px;
    width: 100%;
}

.balloon-girl p {
    position: relative;
    /* max-width: 300px; */
    margin: 3px 0 0;
    padding: .8em 1em;
    border-radius: 5px;
    background-color: #fedefa;
    color: #333333;
    width: 100%;
    margin-left: 20px;
}

.balloon-girl p::before {
    position: absolute;
    left: -15px;
    width: 15px;
    height: 30px;
    background-color: #fedefa;
    clip-path: polygon(0 50%, 100% 0, 100% 100%);
    content: '';
}


.balloon-boy {
    display: flex;
    align-items: start;
    gap: 0 22px;
    width: 100%;
}

.balloon-boy p {
    position: relative;
    /* max-width: 300px; */
    margin: 3px 0 0;
    padding: .8em 1em;
    border-radius: 5px;
    background-color: #e7f0f9;
    color: #333333;
    width: 100%;
    margin-left: 20px;
}

.balloon-boy p::before {
    position: absolute;
    left: -15px;
    width: 15px;
    height: 30px;
    background-color: #e7f0f9;
    clip-path: polygon(0 50%, 100% 0, 100% 100%);
    content: '';
}
/* ========================================
   News Sites Page
   ======================================== */
.news-sites {
}

.news-sites__header {
}

.news-sites__eyebrow {
    display: inline-block;
    margin: 0 0 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #1f5e2a;
    background: #dff2e1;
}

.news-sites__title {
    margin: 0;
    font-size: clamp(1.4rem, 2.2vw, 2rem);
    line-height: 1.35;
    color: #1b2f20;
}

.news-sites__lead {
    margin: 0.9rem 0 0;
    color: #3f5144;
    line-height: 1.8;
}

.news-sites__table-wrap {
    margin-top: 1.5rem;
    border: 1px solid #d9e5da;
    border-radius: 0.9rem;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 12px 28px rgba(31, 49, 35, 0.08);
}

.news-sites__table {
    width: 100%;
    border-collapse: collapse;
}

.news-sites__table thead th {
    padding: 0.9rem 1rem;
    border-bottom: none;
    background: #2e6b3c;
    color: #ffffff;
    font-size: 0.92rem;
    font-weight: 700;
}

.news-sites__table tbody td {
    padding: 1rem;
    border-bottom: 1px solid #e7efe7;
    vertical-align: top;
    color: #2d3f31;
    line-height: 1.75;
    background: #ffffff;
}

.news-sites__table tbody tr:last-child td {
    border-bottom: 0;
}

.news-sites__table tbody tr:hover td {
    background: #f8fcf8;
}

.news-sites__table td:first-child {
    width: 11rem;
    font-weight: 700;
}

.news-sites__table a {
    color: #1f5e2a;
    text-decoration: none;
    border-bottom: 1px solid rgba(31, 94, 42, 0.35);
}

.news-sites__table a:hover {
    color: #123b1a;
    border-bottom-color: #123b1a;
}

@media (max-width: 768px) {
    .news-sites {
        padding: 1.6rem 0 2.5rem;
    }

    .news-sites__table-wrap {
        border-radius: 0.7rem;
        overflow-x: auto;
    }

    .news-sites__table {
        min-width: 680px;
    }
}
