:root {
	--md-sys-color-primary: #7e64f4;
	--md-sys-color-on-primary: #ffffff;
	--md-sys-color-primary-container: #e6ddff;
	--md-sys-color-on-primary-container: #24164f;
	--md-sys-color-secondary: #7b6a9f;
	--md-sys-color-on-secondary: #ffffff;
	--md-sys-color-tertiary: #a58aff;
	--md-sys-color-on-tertiary: #ffffff;
	--md-sys-color-background: #faf7ff;
	--md-sys-color-on-background: #221a33;
	--md-sys-color-surface: #fffdfd;
	--md-sys-color-surface-container: #f4edff;
	--md-sys-color-surface-container-high: #ece2ff;
	--md-sys-color-surface-container-highest: #e1d4ff;
	--md-sys-color-on-surface: #221a33;
	--md-sys-color-on-surface-variant: #5d5474;
	--md-sys-color-outline: #8a7aa8;
	--md-sys-color-outline-variant: #d4c7ea;
	--md-sys-color-surface-tint: #7e64f4;

	--md-sys-shape-corner-extra-small: 4px;
	--md-sys-shape-corner-small: 8px;
	--md-sys-shape-corner-medium: 12px;
	--md-sys-shape-corner-large: 16px;
	--md-sys-shape-corner-extra-large: 28px;
	--md-sys-shape-corner-full: 999px;

	--elevation-1: 0 1px 2px rgba(0, 0, 0, 0.12), 0 1px 3px rgba(0, 0, 0, 0.08);
	--elevation-2: 0 2px 6px rgba(0, 0, 0, 0.12), 0 6px 14px rgba(0, 0, 0, 0.08);
	--elevation-3: 0 4px 10px rgba(0, 0, 0, 0.14), 0 10px 24px rgba(0, 0, 0, 0.1);

	/* Motion tokens (Material 3 Motion guidance) */
	--motion-duration-instant: 0ms;
	--motion-duration-quick: 100ms;
	--motion-duration-short: 150ms;
	--motion-duration-medium: 200ms;
	--motion-duration-long: 360ms;
	--motion-duration-extended: 600ms;

	--motion-ease-standard: cubic-bezier(0.2, 0, 0, 1);
	--motion-ease-emphasized: cubic-bezier(0.25, 0.46, 0.45, 0.94);
	--motion-ease-decelerate: cubic-bezier(0.0, 0, 0.2, 1);
	--motion-ease-accelerate: cubic-bezier(0.4, 0, 1, 1);
}

* {
	box-sizing: border-box;
}

.btn {
	display: inline-flex;
 	align-items: center;
 	justify-content: center;
 	min-height: 40px;
 	padding: 10px 18px;
 	border-radius: 20px;
 	text-decoration: none;
 	font-size: 0.93rem;
 	font-weight: 600;
 	letter-spacing: 0.01em;
 	transition: transform var(--motion-duration-short) var(--motion-ease-standard), filter var(--motion-duration-short) var(--motion-ease-standard);
}
.btn:hover {
 	transform: translateY(-2px) translateZ(0);
 	filter: brightness(0.98);
}
.grain {
	position: fixed;
	inset: 0;
	pointer-events: none;
	opacity: 0.08;
	background-image: radial-gradient(circle at 1px 1px, #000 1px, transparent 0);
	background-size: 4px 4px;
	mix-blend-mode: soft-light;
}

.page-loader {
	position: fixed;
	inset: 0;
	z-index: 9999;
	display: grid;
	place-items: center;
	padding: clamp(20px, 4vw, 36px);
	opacity: 1;
	background: color-mix(in oklab, var(--md-sys-color-surface) 66%, transparent 34%);
	backdrop-filter: blur(18px) saturate(1.08);
	transition: opacity var(--motion-duration-short) var(--motion-ease-standard), visibility var(--motion-duration-short) var(--motion-ease-standard);
}

.page-loader__panel {
	position: relative;
	width: min(92vw, 420px);
	min-height: 220px;
	padding: clamp(28px, 6vw, 40px) clamp(22px, 5vw, 34px);
	display: grid;
	place-items: center;
	overflow: hidden;
	border-radius: var(--md-sys-shape-corner-extra-large);
	background: color-mix(in oklab, var(--md-sys-color-surface-container) 88%, white 12%);
	border: 1px solid color-mix(in oklab, var(--md-sys-color-outline-variant) 78%, white 22%);
	box-shadow: var(--elevation-3);
}

.page-loader__panel::before {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, transparent 0%, color-mix(in oklab, var(--md-sys-color-primary) 4%, transparent 96%) 44%, transparent 100%);
	opacity: 0.9;
}

.page-loader__track {
	position: absolute;
	left: 50%;
	top: 50%;
	width: min(66vw, 320px);
	height: 12px;
	transform: translate(-50%, -50%);
	overflow: hidden;
	border-radius: var(--md-sys-shape-corner-full);
	background: color-mix(in oklab, var(--md-sys-color-primary-container) 72%, white 28%);
	box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--md-sys-color-outline-variant) 55%, transparent 45%);
}

.page-loader__track::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	height: 100%;
	width: 28%;
	background: var(--md-sys-color-primary);
	transform: translateZ(0);
	will-change: transform;
	animation: loader-progress 1400ms var(--motion-ease-emphasized) infinite;
	box-shadow: 0 2px 4px color-mix(in oklab, var(--md-sys-color-primary) 28%, transparent 72%);
	border-radius: inherit;
}

.page-loader__label {
	position: relative;
	transform: translateY(-20px);
	z-index: 1;
	margin: 0;
	font-family: "Noto Sans JP", "Roboto Flex", sans-serif;
	font-size: clamp(1.1rem, 3.1vw, 1.7rem);
	font-weight: 700;
	letter-spacing: 0.16em;
	color: var(--md-sys-color-on-surface);
	text-shadow: 0 1px 0 rgba(255, 255, 255, 0.72);
}

.page-loader.is-hidden {
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
}

.container {
	width: min(1120px, 92vw);
	margin: 0 auto;
}

header {
	position: sticky;
	top: 12px;
	z-index: 20;
	width: min(1120px, 92vw);
	margin: 12px auto 16px;
	background: color-mix(in oklab, var(--md-sys-color-surface-container) 86%, white 14%);
	border: 1px solid var(--md-sys-color-outline-variant);
	border-radius: var(--md-sys-shape-corner-full);
	box-shadow: var(--elevation-1);
	backdrop-filter: blur(8px);
}

nav {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 10px 14px;
}

.brand {
	display: flex;
	align-items: center;
	gap: 10px;
	font-size: 1rem;
	font-weight: 700;
	letter-spacing: 0.01em;
}

.brand-mark {
	width: 36px;
	height: 36px;
	display: grid;
	place-items: center;
	border-radius: var(--md-sys-shape-corner-medium);
	background: var(--md-sys-color-primary);
	color: var(--md-sys-color-on-primary);
	font-size: 0.85rem;
	font-weight: 700;
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.26);
}

.nav-links {
	display: flex;
	align-items: center;
	gap: 8px;
}

.nav-links a {
	text-decoration: none;
	color: var(--md-sys-color-on-surface-variant);
	padding: 10px 16px;
	border-radius: var(--md-sys-shape-corner-full);
	font-size: 0.92rem;
	font-weight: 600;
	transition: background-color var(--motion-duration-short) var(--motion-ease-standard), color var(--motion-duration-short) var(--motion-ease-standard);
}

.nav-links a:hover {
	background: var(--md-sys-color-surface-container-high);
	color: var(--md-sys-color-on-surface);
}

main {
	padding-bottom: 56px;
}

.hero {
	position: relative;
	overflow: hidden;
	border-radius: var(--md-sys-shape-corner-extra-large);
	background:
		radial-gradient(460px 300px at 88% -8%, #b5f0e5 0%, transparent 75%),
		linear-gradient(180deg, #f9fffc 0%, #eaf4f0 100%);
	border: 1px solid var(--md-sys-color-outline-variant);
	box-shadow: var(--elevation-2);
	padding: clamp(24px, 5vw, 60px);
}

.hero::after {
	content: "";
	position: absolute;
	right: -60px;
	top: -80px;
	width: 240px;
	height: 240px;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(255, 203, 146, 0.56) 0%, transparent 66%);
}

.hero-grid {
	position: relative;
	z-index: 1;
	display: grid;
	grid-template-columns: 1.45fr 1fr;
	align-items: end;
	gap: clamp(18px, 3vw, 40px);
}

.eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 6px 12px;
	border-radius: var(--md-sys-shape-corner-full);
	font-size: 0.8rem;
	font-weight: 600;
	letter-spacing: 0.01em;
	background: var(--md-sys-color-primary-container);
	color: var(--md-sys-color-on-primary-container);
}

h1 {
	margin: 16px 0 12px;
	font-size: clamp(2.05rem, 6vw, 4rem);
	line-height: 1.05;
	font-weight: 700;
	letter-spacing: -0.02em;
}

.hero p {
	max-width: 54ch;
	margin: 0;
	color: var(--md-sys-color-on-surface-variant);
	font-size: clamp(0.98rem, 1.3vw, 1.07rem);
}

.cta-row {
	margin-top: 22px;
	display: flex;
	gap: 12px;
	flex-wrap: wrap;
}

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 40px;
	padding: 10px 18px;
	border-radius: 20px;
	text-decoration: none;
	font-size: 0.93rem;
	font-weight: 600;
	letter-spacing: 0.01em;
	transition: transform var(--motion-duration-short) var(--motion-ease-standard), filter var(--motion-duration-short) var(--motion-ease-standard);
}

.btn:hover {
	transform: translateY(-1px);
	filter: brightness(0.98);
}

.btn-primary {
	background: var(--md-sys-color-primary);
	color: var(--md-sys-color-on-primary);
	box-shadow: var(--elevation-1);
}

.btn-secondary {
	background: transparent;
	color: var(--md-sys-color-primary);
	border: 1px solid var(--md-sys-color-outline);
}

.highlight-panel {
	background: var(--md-sys-color-surface-container);
	border: 1px solid var(--md-sys-color-outline-variant);
	border-radius: var(--md-sys-shape-corner-large);
	padding: 18px;
	box-shadow: var(--elevation-1);
}

.highlight-panel h2 {
	margin: 0 0 8px;
	font-size: 1rem;
	font-weight: 700;
}

.highlight-panel p {
	margin: 0;
	font-size: 0.94rem;
}

.metrics {
	margin-top: 14px;
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 10px;
}

.metric {
	background: var(--md-sys-color-surface-container-high);
	border: 1px solid color-mix(in oklab, var(--md-sys-color-outline-variant) 72%, white 28%);
	border-radius: var(--md-sys-shape-corner-medium);
	padding: 12px;
	font-size: 0.84rem;
	color: var(--md-sys-color-on-surface-variant);
}

.metric strong {
	display: block;
	margin-bottom: 4px;
	font-size: 1.1rem;
	font-weight: 700;
	color: var(--md-sys-color-on-surface);
}

.section {
	margin-top: clamp(20px, 3.5vw, 34px);
}

.grid {
	display: grid;
	grid-template-columns: repeat(12, 1fr);
	gap: 14px;
}

.card {
	background: var(--md-sys-color-surface-container);
	border: 1px solid var(--md-sys-color-outline-variant);
	border-radius: var(--md-sys-shape-corner-large);
	padding: 20px;
	box-shadow: var(--elevation-1);
	transition: box-shadow var(--motion-duration-short) var(--motion-ease-standard), transform var(--motion-duration-short) var(--motion-ease-standard);
}

.card:hover {
	box-shadow: var(--elevation-2);
	transform: translateY(-2px);
}

.projects .card {
	min-height: 218px;
}

.span-4 {
	grid-column: span 4;
}

.span-5 {
	grid-column: span 5;
}

.span-7 {
	grid-column: span 7;
}

.chip {
	display: inline-flex;
	align-items: center;
	min-height: 30px;
	padding: 4px 12px;
	border-radius: var(--md-sys-shape-corner-full);
	font-size: 0.78rem;
	font-weight: 600;
	background: var(--md-sys-color-surface-container-highest);
	color: var(--md-sys-color-on-surface-variant);
	border: 1px solid var(--md-sys-color-outline-variant);
}

.card h3 {
	margin: 12px 0 8px;
	font-size: 1.35rem;
	line-height: 1.25;
	letter-spacing: -0.01em;
}

.card p {
	margin: 0;
	color: var(--md-sys-color-on-surface-variant);
}

.about {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 14px;
}

.about ul {
	margin: 10px 0 0;
	padding-left: 18px;
	color: var(--md-sys-color-on-surface-variant);
}

.about li + li {
	margin-top: 6px;
}

.contact {
	display: grid;
	grid-template-columns: 1.2fr 1fr;
	gap: 14px;
}

.contact a {
	color: var(--md-sys-color-primary);
	font-weight: 600;
	text-decoration: none;
}

.contact a:hover {
	text-decoration: underline;
	text-underline-offset: 3px;
}

/* Section cards and links */
.section-card {
	display: flex;
	flex-direction: column;
	position: relative;
}

.card-link {
	display: inline-flex;
	align-items: center;
	margin-top: auto;
	padding: 0;
	color: var(--md-sys-color-primary);
	font-size: 0.95rem;
	font-weight: 600;
	text-decoration: none;
	transition: gap var(--motion-duration-short) var(--motion-ease-standard);
	gap: 4px;
}

.card-link:hover {
	gap: 8px;
}

/* Podcast card styling */
.podcast-card {
	background: linear-gradient(135deg, rgba(253, 195, 66, 0.08) 0%, rgba(255, 167, 102, 0.08) 100%);
	border: 1px solid color-mix(in oklab, rgba(253, 195, 66, 0.25), transparent);
}

.podcast-chip {
	background: color-mix(in oklab, #fdc342 20%, var(--md-sys-color-surface-container-highest) 80%) !important;
	color: #7d4a0a !important;
}

.reveal {
	opacity: 0;
	transform: translateY(16px);
	transition: opacity var(--motion-duration-extended) var(--motion-ease-emphasized), transform var(--motion-duration-extended) var(--motion-ease-emphasized);
}

.reveal.visible {
	opacity: 1;
	transform: translateY(0);
}

@keyframes loader-progress {
	0% {
		transform: translateX(-100%) translateZ(0);
	}

	50% {
		transform: translateX(400%) translateZ(0);
	}

	100% {
		transform: translateX(500%) translateZ(0);
	}
}

footer {
	text-align: center;
	padding: 24px 12px 34px;
	font-size: 0.9rem;
	color: var(--md-sys-color-on-surface-variant);
}

@media (max-width: 980px) {
	.hero-grid {
		grid-template-columns: 1fr;
	}

	.span-4,
	.span-5,
	.span-7 {
		grid-column: span 12;
	}

	.about,
	.contact {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 620px) {
	header {
		position: static;
		border-radius: var(--md-sys-shape-corner-extra-large);
		margin-top: 10px;
	}

	nav {
		gap: 8px;
		flex-direction: column;
		align-items: stretch;
	}

	.nav-links {
		justify-content: space-between;
		flex-wrap: wrap;
	}

	.metrics {
		grid-template-columns: 1fr;
	}

	.btn {
		width: 100%;
	}
}

@media (prefers-reduced-motion: reduce) {
	.page-loader__track::before {
		animation: none !important;
		transform: translateX(0) !important;
		opacity: 0.8;
	}

	.page-loader__label {
		letter-spacing: 0.08em;
	}
}