/* ============================================================
   about.css — about.html 専用スタイル
   依存: style.css（共通）を先に読み込むこと
   ============================================================ */

/* =============================================
   PAGE HERO
   ============================================= */

.about-hero {
	position: relative;
	height: 100vh;
	min-height: 600px;
	display: flex;
	align-items: flex-end;
	padding: 80px 60px;
	margin-top: 0;
	overflow: hidden;
}

.about-hero-bg {
	position: absolute;
	inset: 0;
	background:
		linear-gradient(to bottom, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.75) 100%),
		url("../img/top-1.jpg") center / cover no-repeat;
	transform: scale(1.04);
	animation: heroBgZoom 18s ease infinite alternate;
}

@keyframes heroBgZoom {
	from {
		transform: scale(1.04);
	}
	to {
		transform: scale(1.12);
	}
}

.about-hero-noise {
	position: absolute;
	inset: 0;
	opacity: 0.35;
	background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.05'/%3E%3C/svg%3E");
}

.about-hero-frame {
	position: absolute;
	inset: 24px;
	border: 1px solid rgba(245, 197, 24, 0.18);
	pointer-events: none;
}

.about-hero-frame::before,
.about-hero-frame::after {
	content: "";
	position: absolute;
	width: 36px;
	height: 36px;
	border-color: var(--yellow);
	border-style: solid;
}

.about-hero-frame::before {
	top: -1px;
	left: -1px;
	border-width: 2px 0 0 2px;
}
.about-hero-frame::after {
	bottom: -1px;
	right: -1px;
	border-width: 0 2px 2px 0;
}

.about-hero-content {
	position: relative;
	z-index: 2;
}

.about-hero-label {
	font-family: var(--font-heading);
	font-size: 0.72rem;
	letter-spacing: 0.6em;
	color: var(--yellow);
	margin-bottom: 12px;
	opacity: 0;
	animation: fadeInUp 0.8s forwards 0.3s;
}

.about-hero-title {
	font-family: var(--font-display);
	font-size: clamp(5rem, 14vw, 10rem);
	letter-spacing: 0.1em;
	line-height: 0.9;
	color: var(--white);
	opacity: 0;
	animation: fadeInUp 0.8s forwards 0.5s;
}

.about-hero-name {
	font-family: var(--font-script);
	font-size: clamp(1.6rem, 4vw, 2.8rem);
	color: rgba(245, 240, 232, 0.6);
	margin-top: 10px;
	opacity: 0;
	animation: fadeInUp 0.8s forwards 0.7s;
}

.about-hero-scroll {
	position: absolute;
	bottom: 40px;
	right: 60px;
	z-index: 2;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 8px;
	opacity: 0;
	animation: fadeInUp 0.8s forwards 1.2s;
}

.about-hero-scroll span {
	font-family: var(--font-heading);
	font-size: 0.6rem;
	letter-spacing: 0.4em;
	color: var(--yellow);
	writing-mode: vertical-rl;
}

.about-hero-scroll .scroll-line {
	width: 1px;
	height: 50px;
	background: linear-gradient(to bottom, var(--yellow), transparent);
	animation: scrollPulse 2s ease infinite;
}

@keyframes scrollPulse {
	0%,
	100% {
		opacity: 0.3;
		transform: scaleY(0.8);
	}
	50% {
		opacity: 1;
		transform: scaleY(1);
	}
}

/* =============================================
   セクション共通
   ============================================= */

.about-section {
	padding: 100px 0;
}

.about-section--dark {
	background: var(--gray);
}

.about-container {
	max-width: 1300px;
	margin: 0 auto;
	padding: 0 60px;
}

.about-section-header {
	display: flex;
	align-items: center;
	gap: 16px;
	margin-bottom: 64px;
}

.about-section-deco {
	width: 34px;
	height: 34px;
	flex-shrink: 0;
	animation: spin 8s linear infinite;
}

.about-section-deco svg {
	width: 100%;
	height: 100%;
}

@keyframes spin {
	to {
		transform: rotate(360deg);
	}
}

.about-section-title {
	font-family: var(--font-display);
	font-size: clamp(2.2rem, 5vw, 3.5rem);
	letter-spacing: 0.18em;
	line-height: 1;
	flex-shrink: 0;
}

.about-section-line {
	flex: 1;
	height: 1px;
	background: linear-gradient(90deg, rgba(245, 197, 24, 0.35), transparent);
	margin-left: 8px;
}

.about-eyebrow {
	font-family: var(--font-heading);
	font-size: 0.7rem;
	letter-spacing: 0.5em;
	color: var(--yellow);
	margin-bottom: 16px;
}

.about-heading {
	font-family: var(--font-display);
	font-size: clamp(2rem, 4vw, 3rem);
	letter-spacing: 0.1em;
	line-height: 1.1;
	margin-bottom: 32px;
}

.about-heading-en {
	display: block;
	font-family: var(--font-script);
	font-size: clamp(1rem, 2.5vw, 1.6rem);
	color: rgba(245, 240, 232, 0.4);
	letter-spacing: 0.05em;
	margin-top: 4px;
}

.about-body-ja {
	font-size: 0.95rem;
	line-height: 2.1;
	color: var(--white);
	margin-bottom: 20px;
}

.about-body-en {
	font-size: 0.78rem;
	line-height: 1.9;
	color: rgba(245, 240, 232, 0.4);
	font-style: italic;
	border-left: 2px solid var(--yellow);
	padding-left: 16px;
	margin-bottom: 40px;
}

/* =============================================
   PROFILE グリッド
   ============================================= */

.about-profile-grid {
	display: grid;
	grid-template-columns: 420px 1fr;
	gap: 80px;
	align-items: start;
}

.profile-img-wrap {
	position: relative;
}

.profile-img-wrap img {
	width: 100%;
	aspect-ratio: 3 / 4;
	object-fit: cover;
	filter: grayscale(15%) contrast(1.1);
	display: block;
}

/* フレーム装飾 */
.profile-img-wrap::before {
	content: "";
	position: absolute;
	inset: -14px;
	border: 1px solid rgba(245, 197, 24, 0.25);
	z-index: -1;
}

.profile-img-wrap::after {
	content: "";
	position: absolute;
	bottom: -14px;
	right: -14px;
	width: 50%;
	height: 50%;
	background: linear-gradient(135deg, rgba(192, 57, 43, 0.18), transparent);
	z-index: -1;
}

.profile-img-label {
	position: absolute;
	bottom: 20px;
	left: -1px;
	font-family: var(--font-display);
	font-size: 0.65rem;
	letter-spacing: 0.4em;
	color: var(--yellow);
	background: var(--black);
	padding: 6px 14px;
}

/* プロフィールメタ */
.profile-meta-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0;
	border-top: 1px solid rgba(245, 240, 232, 0.08);
}

.profile-meta-item {
	padding: 18px 0;
	border-bottom: 1px solid rgba(245, 240, 232, 0.08);
}

.profile-meta-item:nth-child(odd) {
	padding-right: 24px;
	border-right: 1px solid rgba(245, 240, 232, 0.08);
}

.profile-meta-item:nth-child(even) {
	padding-left: 24px;
}

.meta-label {
	display: block;
	font-family: var(--font-heading);
	font-size: 0.62rem;
	letter-spacing: 0.4em;
	color: var(--yellow);
	margin-bottom: 6px;
}

.meta-value {
	display: block;
	font-size: 0.82rem;
	color: rgba(245, 240, 232, 0.75);
	letter-spacing: 0.03em;
}

/* =============================================
   POLICY
   ============================================= */

.policy-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 2px;
}

.policy-item {
	padding: 44px 40px;
	background: rgba(245, 240, 232, 0.02);
	border: 1px solid rgba(245, 240, 232, 0.06);
	transition:
		background 0.3s,
		border-color 0.3s;
}

.policy-item:hover {
	background: rgba(245, 197, 24, 0.04);
	border-color: rgba(245, 197, 24, 0.2);
}

.policy-num {
	font-family: var(--font-display);
	font-size: 3.5rem;
	color: rgba(245, 197, 24, 0.12);
	line-height: 1;
	margin-bottom: 16px;
}

.policy-title {
	font-family: var(--font-heading);
	font-size: 1rem;
	letter-spacing: 0.1em;
	color: var(--white);
	margin-bottom: 16px;
}

.policy-body {
	font-size: 0.82rem;
	line-height: 1.95;
	color: rgba(245, 240, 232, 0.6);
}

/* =============================================
   SKILLS
   ============================================= */

.skills-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}

.skill-card {
	padding: 36px 30px;
	border: 1px solid rgba(245, 240, 232, 0.08);
	background: rgba(245, 240, 232, 0.02);
	transition:
		border-color 0.3s,
		transform 0.3s;
}

.skill-card:hover {
	border-color: rgba(245, 197, 24, 0.3);
	transform: translateY(-4px);
}

.skill-icon {
	width: 42px;
	height: 42px;
	border: 1px solid rgba(245, 197, 24, 0.3);
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: 20px;
	color: var(--yellow);
	font-size: 1rem;
}

.skill-name {
	font-family: var(--font-display);
	font-size: 1.4rem;
	letter-spacing: 0.2em;
	color: var(--white);
	margin-bottom: 12px;
}

.skill-desc {
	font-size: 0.78rem;
	line-height: 1.9;
	color: rgba(245, 240, 232, 0.55);
	margin-bottom: 24px;
}

.skill-bar {
	height: 2px;
	background: rgba(245, 240, 232, 0.1);
	overflow: hidden;
}

.skill-bar-fill {
	height: 100%;
	width: 0%;
	background: linear-gradient(90deg, var(--yellow), var(--red));
	transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =============================================
   CAREER タイムライン
   ============================================= */

.timeline {
	position: relative;
	padding-left: 0;
}

.timeline-item {
	display: grid;
	grid-template-columns: 120px 1fr;
	gap: 0;
	margin-bottom: 0;
}

.timeline-left {
	padding-top: 4px;
	padding-right: 40px;
	text-align: right;
}

.timeline-year {
	font-family: var(--font-display);
	font-size: 2rem;
	color: var(--red);
	letter-spacing: 0.05em;
	line-height: 1;
}

.timeline-right {
	position: relative;
	padding: 0 0 56px 40px;
	border-left: 1px solid rgba(245, 197, 24, 0.2);
}

.timeline-right:last-child {
	padding-bottom: 0;
}

.timeline-dot {
	position: absolute;
	top: 6px;
	left: -5px;
	width: 9px;
	height: 9px;
	background: var(--yellow);
	border-radius: 50%;
}

.timeline-title {
	font-family: var(--font-heading);
	font-size: 0.95rem;
	letter-spacing: 0.08em;
	color: var(--white);
	margin-bottom: 12px;
}

.timeline-body {
	font-size: 0.82rem;
	line-height: 1.95;
	color: rgba(245, 240, 232, 0.6);
}

/* =============================================
   EQUIPMENT
   ============================================= */

.equipment-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 2px;
}

.equipment-col {
	padding: 36px 30px;
	background: rgba(245, 240, 232, 0.02);
	border: 1px solid rgba(245, 240, 232, 0.06);
}

.equipment-col-title {
	font-family: var(--font-heading);
	font-size: 0.72rem;
	letter-spacing: 0.4em;
	color: var(--yellow);
	margin-bottom: 20px;
	display: flex;
	align-items: center;
	gap: 10px;
}

.equipment-col-title i {
	font-size: 0.85rem;
}

.equipment-list {
	list-style: none;
	padding: 0;
}

.equipment-list li {
	font-size: 0.8rem;
	color: rgba(245, 240, 232, 0.65);
	line-height: 1;
	padding: 12px 0;
	border-bottom: 1px solid rgba(245, 240, 232, 0.06);
	letter-spacing: 0.03em;
}

.equipment-list li:last-child {
	border-bottom: none;
}

.equipment-list li::before {
	content: "— ";
	color: var(--yellow);
	font-size: 0.7rem;
}

/* =============================================
   CTA バナー
   ============================================= */

.about-cta {
	background: var(--gray);
	border-top: 1px solid rgba(245, 197, 24, 0.1);
	border-bottom: 1px solid rgba(245, 197, 24, 0.1);
	padding: 120px 40px;
	text-align: center;
	position: relative;
	overflow: hidden;
}

.about-cta::before {
	content: "";
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 600px;
	height: 600px;
	background: radial-gradient(circle, rgba(245, 197, 24, 0.05) 0%, transparent 70%);
	pointer-events: none;
}

.about-cta-inner {
	position: relative;
	z-index: 1;
}

.about-cta-label {
	font-family: var(--font-heading);
	font-size: 0.7rem;
	letter-spacing: 0.6em;
	color: var(--yellow);
	margin-bottom: 20px;
}

.about-cta-title {
	font-family: var(--font-display);
	font-size: clamp(2.5rem, 6vw, 4.5rem);
	letter-spacing: 0.1em;
	line-height: 1.2;
	color: var(--white);
	margin-bottom: 16px;
}

.about-cta-sub {
	font-family: var(--font-script);
	font-size: 1.2rem;
	color: rgba(245, 240, 232, 0.4);
	margin-bottom: 48px;
}

/* =============================================
   レスポンシブ
   ============================================= */

@media (max-width: 1100px) {
	.equipment-grid {
		grid-template-columns: repeat(2, 1fr);
	}
	.skills-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 900px) {
	.about-container {
		padding: 0 24px;
	}
	.about-section {
		padding: 72px 0;
	}
	.about-hero {
		padding: 60px 24px;
		height: auto;
		min-height: 70vh;
	}
	.about-hero-scroll {
		right: 24px;
	}
	.about-profile-grid {
		grid-template-columns: 1fr;
		gap: 48px;
	}
	.policy-grid {
		grid-template-columns: 1fr;
		gap: 2px;
	}
	.skills-grid {
		grid-template-columns: 1fr 1fr;
		gap: 16px;
	}
	.timeline-item {
		grid-template-columns: 80px 1fr;
	}
	.timeline-year {
		font-size: 1.4rem;
	}
	.equipment-grid {
		grid-template-columns: 1fr 1fr;
	}
	.profile-meta-grid {
		grid-template-columns: 1fr;
	}
	.profile-meta-item:nth-child(odd) {
		border-right: none;
		padding-right: 0;
	}
	.profile-meta-item:nth-child(even) {
		padding-left: 0;
	}
}

@media (max-width: 600px) {
	.skills-grid {
		grid-template-columns: 1fr;
	}
	.equipment-grid {
		grid-template-columns: 1fr;
	}
	.about-hero-title {
		font-size: clamp(4rem, 18vw, 6rem);
	}
	.timeline-item {
		grid-template-columns: 60px 1fr;
	}
	.timeline-left {
		padding-right: 20px;
	}
	.timeline-right {
		padding-left: 24px;
	}
}