body {
    margin: 0;
    padding: 0;
    z-index: 4;
	-webkit-text-size-adjust: 100%;
}

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

header {
	position: sticky;
	top: 0;
	z-index: 50;
	background-color: #173f35;
	border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.top {
    background-color: black;
    color: white;
    text-align: center;
	padding: 10px 20px;
}

.banner {
	width: 100%;
	height: 550px;
	overflow: hidden;
}

.banner img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.container-about {
	display: flex;
	max-width: 1280px;
	margin: 0 auto;
	padding: 80px 10%;
    text-align: justify;
	gap: 72px;
	align-items: center;
	background-color: #ffffff;
}

.about {
	flex: 0 1 40%;
	color: #173f35;
}

.about p {
	margin: 0 0 12px;
	color: #bf1e2e;
	font-size: 0.8rem;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.about h1 {
	margin: 0;
	font-family: Georgia, "Times New Roman", serif;
	font-size: 3.5rem;
	font-size: clamp(2.5rem, 5vw, 4.5rem);
	font-weight: 500;
	line-height: 1.05;
}

.story {
	flex: 1 1 0;
	padding-left: 40px;
	border-left: 2px solid #bf1e2e;
}

.story p {
	margin: 0;
	color: #52645d;
	font-size: 20px;
	line-height: 1.85;
}

.container-about2 {
	display: flex;
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 10% 80px;
	gap: 24px;
	background-color: #ffffff;
}

.mission-vision-card {
	flex: 1 1 0;
	padding: 36px;
	border-top: 4px solid #bf1e2e;
	background-color: #f6f7f4;
}

.mission-vision-card h2 {
	margin: 0 0 16px;
	color: #173f35;
	font-family: Georgia, "Times New Roman", serif;
	font-size: 2rem;
	font-weight: 500;
}

.mission-vision-card p {
	margin: 0;
	color: #52645d;
	line-height: 1.75;
}

.talk {
	display: flex;
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 10% 80px;
	gap: 24px;
	background-color: #ffffff;
}

.talk-card {
	flex: 1 1 0;
	padding: 36px;
	border: 1px solid #dce5df;
	background-color: #ffffff;
}

.talk-card img {
	display: block;
	width: 54px;
	height: 54px;
	margin-bottom: 22px;
	object-fit: contain;
}

.talk-card h2 {
	margin: 0 0 14px;
	color: #173f35;
	font-family: Georgia, "Times New Roman", serif;
	font-size: 1.8rem;
	font-weight: 500;
}

.talk-card p {
	min-height: 84px;
	margin: 0 0 24px;
	color: #52645d;
	line-height: 1.7;
}

.talk-card a {
	display: inline-block;
	padding: 12px 18px;
	background-color: #bf1e2e;
	color: #ffffff;
	font-size: 0.84rem;
	font-weight: 700;
	letter-spacing: 0.04em;
	text-decoration: none;
	transition: background-color 0.2s ease;
}

.talk-card a:hover,
.talk-card a:focus-visible {
	background-color: #951522;
}

.talk-card .support-button {
	background-color: #efd08e;
	color: #173f35;
    border-radius: 20px;
}

.talk-card .support-button:hover,
.talk-card .support-button:focus-visible {
	background-color: #d8b661;
	color: #173f35;
}

.board-section {
	padding: 88px 10% 96px;
	background-color: #e8f0eb;
}

.board-heading {
	max-width: 1280px;
	margin: 0 auto 40px;
	text-align: center;
}

.board-heading p {
	margin: 0 0 12px;
	color: #bf1e2e;
	font-size: 0.8rem;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.board-heading h2 {
	margin: 0;
	color: #173f35;
	font-family: Georgia, "Times New Roman", serif;
	font-size: 2.6rem;
	font-size: clamp(2.2rem, 4vw, 3.2rem);
	font-weight: 500;
}

.board-heading h2::after {
	display: block;
	width: 64px;
	height: 3px;
	margin: 16px auto 0;
	background-color: #bf1e2e;
	content: "";
}

.board-members {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	max-width: 1280px;
	margin: 0 auto;
	gap: 24px;
	grid-gap: 24px;
}

.board-member {
	display: flex;
	flex-direction: column;
	padding: 32px;
	border: 1px solid #dce5df;
	border-top: 4px solid #efd08e;
	background-color: #ffffff;
	box-shadow: 0 12px 28px rgba(23, 63, 53, 0.08);
	text-align: justify;
	-webkit-transition: -webkit-transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
	transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.board-member:hover,
.board-member:focus-within {
	border-top-color: #bf1e2e;
	box-shadow: 0 18px 34px rgba(23, 63, 53, 0.15);
	-webkit-transform: translateY(-5px);
	transform: translateY(-5px);
}

.board-member h3 {
	margin: 0 0 8px;
	color: #173f35;
	font-family: Georgia, "Times New Roman", serif;
	font-size: 1.55rem;
	font-weight: 500;
}

.board-member-role {
	margin: 0 0 22px;
	color: #bf1e2e;
	font-size: 0.8rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.board-member p:not(.board-member-role) {
	margin: 0 0 24px;
	color: #52645d;
	font-size: 0.95rem;
	line-height: 1.7;
}

.board-member h4 {
	margin: 24px 0 10px;
	color: #173f35;
	font-size: 0.9rem;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.board-member ul {
	margin: 0;
	padding-left: 20px;
	color: #52645d;
	line-height: 1.65;
}

.board-member li + li {
	margin-top: 8px;
}

@media (prefers-reduced-motion: reduce) {
	.board-member {
		-webkit-transition: none;
		transition: none;
	}

	.board-member:hover,
	.board-member:focus-within {
		-webkit-transform: none;
		transform: none;
	}
}

@media (max-width: 1000px) {
	.board-members {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 700px) {
	.banner {
		height: 220px;
	}

	.container-about {
		padding: 56px 6%;
		gap: 32px;
		flex-direction: column;
		align-items: flex-start;
	}

	.story {
		padding-top: 4px;
		padding-left: 22px;
	}

	.container-about2 {
		padding: 0 6% 56px;
		gap: 16px;
		flex-direction: column;
	}

	.mission-vision-card {
		padding: 28px;
	}

	.talk {
		padding: 0 6% 56px;
		gap: 16px;
		flex-direction: column;
	}

	.talk-card {
		padding: 28px;
	}

	.talk-card p {
		min-height: 0;
	}

	.board-section {
		padding: 56px 6% 64px;
	}

	.board-heading h2 {
		font-size: 2.2rem;
	}

	.board-members {
		grid-template-columns: 1fr;
		gap: 16px;
	}

	.board-member {
		padding: 28px;
	}
}