:root {
	--color-white: #fff;
	--color-ink: #151235;
	--color-black: #080811;
	--color-green: #174633;
	--color-green-deep: #0f2f23;
	--color-green-soft: #f3f8f5;
	--color-purple: #5d2465;
	--color-purple-deep: #2a0f2f;
	--color-gold: #c9a64f;
	--color-gold-light: #ecd37d;
	--color-gray: #666273;
	--color-border: #e8e2f0;
	--font-serif: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
	--font-sans: "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", system-ui, sans-serif;
	--container: min(1120px, calc(100% - 40px));
	--shadow: 0 18px 45px rgba(93, 36, 101, 0.13);
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	color: var(--color-ink);
	background: var(--color-white);
	font-family: var(--font-sans);
	font-size: 16px;
	line-height: 1.8;
	letter-spacing: 0;
}

img {
	display: block;
	max-width: 100%;
	height: auto;
}

a {
	color: inherit;
	text-decoration: none;
}

a:hover {
	color: var(--color-gold);
}

button,
input,
textarea,
select {
	font: inherit;
}

.screen-reader-text,
.skip-link {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.skip-link:focus {
	z-index: 1000;
	top: 12px;
	left: 12px;
	width: auto;
	height: auto;
	padding: 10px 14px;
	clip: auto;
	color: var(--color-white);
	background: var(--color-purple-deep);
}

.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background:
		linear-gradient(90deg, rgba(42, 15, 47, 0.98), rgba(93, 36, 101, 0.96)),
		var(--color-purple-deep);
	color: var(--color-white);
	border-bottom: 1px solid rgba(236, 211, 125, 0.22);
	backdrop-filter: blur(12px);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: var(--container);
	min-height: 68px;
	margin: 0 auto;
}

.site-header__logo {
	display: inline-flex;
	align-items: center;
	font-weight: 700;
}

.site-header__logo-text {
	font-size: 15px;
	line-height: 1.4;
}

.custom-logo {
	width: auto;
	max-height: 48px;
}

.site-logo-image {
	display: block;
	width: auto;
	object-fit: contain;
}

.site-logo-image--header {
	max-width: min(320px, 52vw);
	max-height: 48px;
}

.site-header__toggle {
	display: inline-grid;
	gap: 5px;
	width: 44px;
	height: 44px;
	padding: 12px 10px;
	color: var(--color-white);
	background: transparent;
	border: 1px solid rgba(255, 255, 255, 0.28);
	border-radius: 4px;
}

.site-header__toggle-line {
	display: block;
	width: 100%;
	height: 2px;
	background: currentColor;
	transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-header.is-open .site-header__toggle-line:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.site-header.is-open .site-header__toggle-line:nth-child(2) {
	opacity: 0;
}

.site-header.is-open .site-header__toggle-line:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

.global-nav {
	position: fixed;
	inset: 68px 0 auto 0;
	display: none;
	padding: 18px 20px 24px;
	background: var(--color-purple-deep);
	border-bottom: 1px solid rgba(236, 211, 125, 0.22);
}

.site-header.is-open .global-nav {
	display: block;
}

.global-nav__list {
	display: grid;
	gap: 6px;
	padding: 0;
	margin: 0;
	list-style: none;
}

.global-nav__list a {
	display: block;
	padding: 12px 0;
	font-size: 14px;
	font-weight: 700;
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.global-nav__member {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	padding-top: 12px;
}

.global-nav__member a {
	display: inline-flex;
	align-items: center;
	min-height: 36px;
	padding: 7px 12px;
	color: var(--color-white);
	border: 1px solid rgba(255, 255, 255, 0.28);
	border-radius: 4px;
	font-size: 13px;
	font-weight: 700;
}

.global-nav__member a:hover {
	color: var(--color-white);
	background: var(--color-gold);
	border-color: var(--color-gold);
}

.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 48px;
	padding: 12px 22px;
	font-size: 14px;
	font-weight: 700;
	line-height: 1.4;
	border: 1px solid transparent;
	border-radius: 4px;
	transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.button:hover {
	transform: translateY(-1px);
}

.button--gold {
	color: var(--color-ink);
	background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
	border-color: var(--color-gold);
}

.button--purple {
	color: var(--color-white);
	background: linear-gradient(135deg, var(--color-purple), var(--color-purple-deep));
	border-color: var(--color-purple);
}

.button--outline-light {
	color: var(--color-white);
	background: transparent;
	border-color: rgba(255, 255, 255, 0.68);
}

.button--outline-dark {
	color: var(--color-purple-deep);
	background: transparent;
	border-color: var(--color-purple);
}

.section {
	padding: 64px 0;
}

.section--muted {
	background: linear-gradient(180deg, #fbfaff 0%, #f3f0fa 100%);
}

.section--dark {
	color: var(--color-white);
	background: var(--color-purple-deep);
}

.section__inner {
	width: var(--container);
	margin: 0 auto;
}

.section-label {
	margin: 0 0 10px;
	color: var(--color-gold);
	font-size: 12px;
	font-weight: 800;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.section-title {
	margin: 0 0 20px;
	font-family: var(--font-serif);
	font-size: clamp(28px, 8vw, 46px);
	line-height: 1.35;
}

.section-heading {
	display: grid;
	gap: 16px;
	margin-bottom: 28px;
}

.text-link {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	color: var(--color-purple);
	font-weight: 700;
}

.text-link::after {
	content: ">";
	color: var(--color-gold);
}

.text-link--light {
	color: var(--color-white);
}

.text-nowrap {
	white-space: nowrap;
}

.game-result-grid {
	display: grid;
	gap: 18px;
}

.game-result-card {
	display: flex;
	min-height: 320px;
	background: var(--color-white);
	border: 1px solid var(--color-border);
	border-top: 5px solid var(--color-purple);
	border-radius: 4px;
	box-shadow: 0 12px 28px rgba(5, 7, 5, 0.08);
}

.game-result-card__body {
	display: flex;
	flex: 1;
	flex-direction: column;
	padding: 26px;
}

.game-result-card__date {
	color: var(--color-gold);
	font-size: 18px;
	font-weight: 800;
	line-height: 1.4;
}

.game-result-card__title {
	min-height: calc(1.45em * 2);
	margin: 14px 0 8px;
	font-size: 26px;
	line-height: 1.45;
}

.game-result-card__meta {
	display: grid;
	gap: 6px;
	margin: 0;
	color: var(--color-gray);
	font-weight: 700;
	line-height: 1.8;
}

.game-result-card__more {
	display: inline-flex;
	align-items: center;
	align-self: flex-start;
	gap: 6px;
	margin-top: auto;
	padding-top: 20px;
	color: var(--color-purple);
	font-weight: 800;
}

.game-result-card__more::after {
	content: ">";
	color: var(--color-gold);
}

.game-result-card__more:hover {
	color: var(--color-gold);
}

.game-result-card.is-hidden {
	display: none;
}

.empty-message {
	width: 100%;
	padding: 24px;
	margin: 0;
	color: var(--color-gray);
	background: #f8f8f5;
	border: 1px solid var(--color-border);
	border-radius: 4px;
}

.empty-message--light {
	color: rgba(255, 255, 255, 0.8);
	background: rgba(255, 255, 255, 0.08);
	border-color: rgba(255, 255, 255, 0.15);
}

.site-footer {
	color: var(--color-white);
	background: var(--color-black);
}

.site-footer__support {
	color: var(--color-ink);
	background: linear-gradient(180deg, #fbfaff 0%, #f3f0fa 100%);
}

.site-footer__support-grid {
	display: grid;
	gap: 24px;
	width: var(--container);
	padding: 64px 0 36px;
	margin: 0 auto;
}

.site-footer__support-card {
	display: grid;
	align-content: center;
	justify-items: center;
	gap: 24px;
	min-height: 340px;
	padding: 30px;
	text-align: center;
	background:
		linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(251, 250, 255, 0.96)),
		linear-gradient(90deg, rgba(42, 15, 47, 0.05), rgba(200, 163, 75, 0.12));
	border: 1px solid var(--color-border);
	border-top: 4px solid var(--color-gold);
	border-radius: 4px;
	box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.site-footer__support-card--join {
	border-top-color: var(--color-purple);
}

.site-footer__support-card > div {
	display: grid;
	justify-items: center;
}

.site-footer__support-card .section-label {
	margin-bottom: 16px;
}

.site-footer .site-footer__support-card .section-label {
	color: var(--color-gold);
}

.site-footer__support-title {
	margin: 0 0 20px;
	font-family: var(--font-serif);
	font-size: clamp(28px, 6vw, 42px);
	line-height: 1.35;
}

.site-footer .site-footer__support-card p {
	width: min(100%, 620px);
	margin: 0;
	color: #403b53;
}

.site-footer__support-card .button {
	width: min(100%, 260px);
	min-height: 54px;
	margin-top: 20px;
}

.site-footer__sponsors {
	display: grid;
	gap: 24px;
	width: var(--container);
	padding: 0 0 64px;
	margin: 0 auto;
}

.site-footer__sponsor-section {
	padding: 22px;
	background:
		linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.88)),
		linear-gradient(135deg, rgba(201, 166, 79, 0.12), rgba(93, 36, 101, 0.08));
	border: 1px solid var(--color-border);
	border-radius: 4px;
	box-shadow: var(--shadow);
}

.site-footer__sponsor-heading {
	display: flex;
	align-items: baseline;
	justify-content: flex-start;
	padding-bottom: 16px;
	margin-bottom: 18px;
	text-align: left;
	border-bottom: 1px solid var(--color-border);
}

.site-footer__sponsor-title {
	display: flex;
	flex-wrap: nowrap;
	align-items: baseline;
	gap: 12px;
	margin: 0;
	line-height: 1.35;
}

.site-footer__sponsor-title-ja {
	flex: 0 0 auto;
	color: var(--color-ink);
	font-family: var(--font-serif);
	font-size: clamp(18px, 4vw, 24px);
	font-weight: 700;
	line-height: 1.4;
}

.site-footer__sponsor-title-en {
	min-width: 0;
	color: var(--color-gold);
	font-size: 12px;
	font-weight: 800;
	letter-spacing: 0.12em;
	line-height: 1.4;
	text-transform: uppercase;
}

.site-footer__sponsor-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 12px;
	padding: 0;
	margin: 0;
	list-style: none;
}

.site-footer__sponsor-banner {
	display: grid;
	place-items: center;
	gap: 4px;
	width: 100%;
	min-height: 92px;
	padding: 14px;
	color: var(--color-ink);
	text-align: center;
	background: var(--color-white);
	border: 1px solid rgba(42, 15, 47, 0.12);
	border-radius: 4px;
	box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.7);
}

a.site-footer__sponsor-banner {
	transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

a.site-footer__sponsor-banner:hover,
a.site-footer__sponsor-banner:focus-visible {
	color: var(--color-ink);
	border-color: var(--color-gold);
	box-shadow: 0 10px 24px rgba(42, 15, 47, 0.12);
	transform: translateY(-1px);
}

.site-footer__sponsor-banner img {
	width: 100%;
	max-height: 70px;
	object-fit: contain;
}

.site-footer__sponsor-name {
	color: var(--color-purple-deep);
	font-size: 14px;
	font-weight: 800;
	line-height: 1.45;
}

.site-footer__sponsor-placeholder {
	color: var(--color-gray);
	font-size: 12px;
	font-weight: 700;
	line-height: 1.4;
}

.site-footer__main {
	position: relative;
	width: var(--container);
	padding: 52px 0 28px;
	margin: 0 auto;
}

.site-footer__grid {
	display: grid;
	gap: 34px;
}

.site-footer__title,
.site-footer__heading {
	margin: 0 0 14px;
	font-size: 18px;
}

.site-footer__logo {
	display: inline-flex;
	margin: 0 0 14px;
}

.site-logo-image--footer {
	width: min(100%, 560px);
	max-height: 92px;
}

.site-footer p {
	margin: 0 0 16px;
	color: rgba(255, 255, 255, 0.78);
}

.site-footer__menu,
.site-footer__sns {
	display: grid;
	gap: 8px;
	padding: 0;
	margin: 0 0 24px;
	list-style: none;
}

.site-footer__sns {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-bottom: 24px;
}

.site-footer__menu a,
.site-footer__sns a {
	color: rgba(255, 255, 255, 0.82);
}

.site-footer__menu a {
	transition: color 0.2s ease;
}

.site-footer__menu a:hover,
.site-footer__menu a:focus-visible {
	color: var(--color-gold);
}

.site-footer__sns a {
	display: grid;
	place-items: center;
	width: 34px;
	height: 34px;
	border: 1px solid rgba(255, 255, 255, 0.24);
	border-radius: 50%;
	transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.site-footer__sns a:hover {
	color: var(--color-ink);
	background: var(--color-gold);
	border-color: var(--color-gold);
}

.site-footer__sns svg {
	width: 17px;
	height: 17px;
	fill: currentColor;
}

.site-footer__buttons {
	display: grid;
	gap: 12px;
	justify-items: start;
}

.page-top {
	position: fixed;
	right: 18px;
	bottom: 18px;
	display: none;
	width: 44px;
	height: 44px;
	color: var(--color-white);
	background: var(--color-gold);
	border: 0;
	border-radius: 50%;
	box-shadow: var(--shadow);
	cursor: pointer;
}

.page-top.is-visible {
	display: block;
}

.site-footer__copy {
	padding-top: 28px;
	margin: 36px 0 0;
	text-align: center;
	border-top: 1px solid rgba(255, 255, 255, 0.12);
}

@media (min-width: 768px) {
	:root {
		--container: min(1120px, calc(100% - 64px));
	}

	.section {
		padding: 88px 0;
	}

	.section-heading {
		grid-template-columns: 1fr auto;
		align-items: end;
	}

	.game-result-grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	.site-footer__support-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		align-items: stretch;
	}

	.site-footer__sponsor-section {
		padding: 28px;
	}

	.site-footer__sponsor-grid--obog {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}

	.site-footer__sponsor-grid--partnership {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.site-footer__grid {
		grid-template-columns: 1.25fr 1fr 1fr;
	}
}

@media (min-width: 1024px) {
	.site-header__toggle {
		display: none;
	}

	.global-nav {
		position: static;
		display: flex;
		align-items: center;
		padding: 0;
		background: transparent;
		border: 0;
	}

	.global-nav__list {
		display: flex;
		align-items: center;
		gap: 26px;
	}

	.global-nav__list a {
		padding: 24px 0;
		border: 0;
	}

	.global-nav__member {
		display: flex;
		align-items: center;
		padding-top: 0;
		margin-left: 30px;
	}
}