/* ============================================================
   sections.css — レスポンシブ完全版
   ============================================================ */

:root {
	--brand-teal: #2b545e;
	--brand-teal-dark: #1d3c44;
	--text-body: #000;
	--text-muted: #575b53;
	--content-max: 913px;
	--section-px: clamp(20px, 4vw, 80px);
}

/* 共通: 各セクションの余白とコンテナ */
.welcome,
.tour,
.pricing,
.schedule {
	padding: clamp(60px, 8vw, 120px) var(--section-px);
}
.welcome__inner,
.tour__inner,
.pricing__inner,
.schedule__inner {
	max-width: var(--content-max);
	margin: 0 auto;
}

/* 明朝系フォント */
.hero__title,
.welcome__heading,
.profile__label,
.profile__name,
.tour__row-title,
.sanshin__title,
.sanshin__course,
.sanshin__price,
.pricing__heading,
.reserve__lead,
.reserve__phone,
.reserve__name,
.reserve__kana,
.reserve__notice,
.reserve__flow,
.schedule__heading,
.schedule__label,
.schedule__live,
.schedule__note {
	font-family: "Noto Serif JP", "ヒラギノ明朝 ProN", "Hiragino Mincho ProN", "游明朝", "Yu Mincho", serif;
}

/* ============================================================
   Section 1: Hero
   ============================================================ */
.hero {
	position: relative;
	width: 100%;
	aspect-ratio: 1800 / 850;
	min-height: 360px;
	overflow: visible;
}
.hero__bg {
	position: absolute;
	inset: 0;
	overflow: hidden;
}
.hero__bg img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center 60%;
}
.hero__content {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: clamp(8px, 1.5vw, 24px);
	padding: 0 var(--section-px);
	text-align: center;
	pointer-events: none;
}
.hero__title {
	margin: 0;
	color: #fff;
	font-weight: 700;
	text-shadow: 4px 4px 0 rgba(0, 0, 0, 0.35);
	line-height: 1;
	letter-spacing: 0.02em;
}
.hero__title-row1 {
	display: block;
	font-size: clamp(36px, 7.5vw, 130px);
	margin-bottom: clamp(8px, 1.2vw, 24px);
}
.hero__title-row2 {
	display: block;
	font-size: clamp(40px, 10vw, 170px);
	white-space: nowrap;
}
.hero__no {
	font-size: 0.5em;
	margin: 0 0.15em;
	vertical-align: 0.15em;
}
.hero__subtitle {
	margin: 0;
	font-family: "Poppins", "Noto Sans JP", sans-serif;
	font-weight: 700;
	color: #fff;
	font-size: clamp(11px, 1.4vw, 22px);
	letter-spacing: 0.3em;
	text-transform: uppercase;
	text-shadow: 0 1px 6.5px rgba(0, 0, 0, 0.5);
	white-space: nowrap;
}
.hero__profile {
	position: absolute;
	right: clamp(20px, 4vw, 80px);
	bottom: clamp(20px, 3vw, 60px);
	width: clamp(100px, 14vw, 220px);
	aspect-ratio: 1 / 1;
	border-radius: 50%;
	overflow: hidden;
	border: 5px solid #fff;
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
	background: #ddd;
}
.hero__profile img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}
@media (max-width: 600px) {
	.hero {
		aspect-ratio: 4 / 3;
		min-height: 320px;
	}
}

/* ============================================================
   Section 2: Welcome
   ============================================================ */
.welcome__heading {
	font-size: clamp(22px, 3.5vw, 38px);
	font-weight: 700;
	color: #000;
	letter-spacing: -0.02em;
	margin: 0 0 clamp(24px, 3vw, 48px);
	line-height: 1.4;
}
.welcome__lead {
	font-family: "Noto Serif JP", serif;
	font-size: clamp(15px, 1.5vw, 19px);
	line-height: 1.95;
	font-weight: 700;
	color: #000;
	margin: 0 0 clamp(40px, 6vw, 80px);
}
.welcome__lead p {
	margin: 0 0 1.4em;
}
.welcome__lead p:last-child {
	margin-bottom: 0;
}

/* Photo grid */
.welcome__grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: clamp(8px, 1vw, 16px);
	margin-bottom: clamp(60px, 8vw, 100px);
}
.welcome__grid-item {
	overflow: hidden;
	aspect-ratio: 4 / 3;
}
.welcome__grid-item--tall {
	grid-row: span 2;
	aspect-ratio: 3 / 5;
}
.welcome__grid-item--wide {
	grid-column: span 2;
	aspect-ratio: 16 / 9;
}
.welcome__grid-item img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}
@media (max-width: 600px) {
	.welcome__grid {
		grid-template-columns: 1fr;
	}
	.welcome__grid-item,
	.welcome__grid-item--tall,
	.welcome__grid-item--wide {
		grid-row: auto;
		grid-column: auto;
		aspect-ratio: 16 / 10;
	}
}

/* Profile */
.welcome__profile {
	margin-bottom: clamp(60px, 8vw, 100px);
}
.welcome__profile-heading {
	margin-bottom: clamp(20px, 3vw, 40px);
}
.profile__label {
	font-size: clamp(18px, 2vw, 24px);
	font-weight: 700;
	color: #000;
	margin: 0 0 4px;
	line-height: 1.4;
}
.profile__name {
	font-size: clamp(26px, 3vw, 33px);
	font-weight: 700;
	color: #000;
	margin: 0;
	line-height: 1.4;
}
.profile__kana {
	font-family: "Noto Sans JP", sans-serif;
	font-size: clamp(13px, 1.4vw, 16px);
	color: #000;
	margin: 6px 0 0;
}
.welcome__profile-photo {
	margin: clamp(24px, 3vw, 40px) 0;
}
.welcome__profile-photo img {
	width: 100%;
	aspect-ratio: 16 / 11;
	object-fit: cover;
	display: block;
}
.welcome__profile-body {
	font-family: "Noto Sans JP", sans-serif;
	font-size: clamp(15px, 1.5vw, 18px);
	line-height: 1.85;
	color: #000;
}
.welcome__profile-body p {
	margin: 0 0 1em;
}

/* Bottom cells */
.welcome__cells {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: clamp(20px, 3vw, 40px);
}
.welcome__cell {
	margin: 0;
}
.welcome__cell img {
	width: 100%;
	aspect-ratio: 5 / 4;
	object-fit: cover;
	display: block;
}
.welcome__cell figcaption {
	font-family: "Noto Sans JP", sans-serif;
	font-size: clamp(13px, 1.4vw, 16px);
	line-height: 1.7;
	color: #000;
	margin-top: 16px;
}
@media (max-width: 600px) {
	.welcome__cells {
		grid-template-columns: 1fr;
	}
}

/* ============================================================
   Section 3: Tour
   ============================================================ */
.tour__intro,
.tour__alt {
	font-family: "Noto Sans JP", sans-serif;
	font-size: clamp(15px, 1.6vw, 22px);
	line-height: 1.8;
	color: #000;
	text-align: center;
	margin: 0 0 clamp(40px, 6vw, 60px);
}
.tour__rows {
	display: flex;
	flex-direction: column;
	gap: clamp(20px, 3vw, 36px);
	margin-bottom: clamp(40px, 6vw, 80px);
}
.tour__row {
	display: flex;
	align-items: center;
	gap: clamp(16px, 2.5vw, 28px);
}
.tour__icon {
	flex: none;
	width: clamp(60px, 8vw, 100px);
	opacity: 0.5;
}
.tour__icon img {
	width: 100%;
	height: auto;
	display: block;
}
.tour__row-title {
	font-size: clamp(16px, 2.5vw, 32px);
	font-weight: 700;
	color: var(--brand-teal);
	margin: 0;
	line-height: 1.5;
	letter-spacing: -0.02em;
}
.tour__big {
	margin: clamp(40px, 6vw, 60px) 0;
}
.tour__big img {
	width: 100%;
	aspect-ratio: 3 / 2;
	object-fit: cover;
	display: block;
}

/* Sanshin */
.sanshin__title {
	font-size: clamp(20px, 2.5vw, 30px);
	color: var(--brand-teal);
	margin: 0 0 clamp(16px, 2vw, 24px);
	text-align: center;
}
.sanshin__body {
	display: grid;
	grid-template-columns: 1fr auto;
	gap: clamp(20px, 3vw, 40px);
	align-items: center;
}
.sanshin__text p {
	font-family: "Noto Sans JP", sans-serif;
	font-size: clamp(15px, 1.6vw, 22px);
	line-height: 1.7;
	margin: 0 0 1em;
}
.sanshin__course {
	color: var(--brand-teal);
	font-size: clamp(18px, 2vw, 28px);
	margin: 1em 0 0 !important;
}
.sanshin__price {
	color: var(--brand-teal);
	font-size: clamp(15px, 1.6vw, 22px);
	margin: 4px 0 0;
}
.sanshin__img {
	width: clamp(120px, 18vw, 200px);
}
.sanshin__img img {
	width: 100%;
	height: auto;
}
@media (max-width: 600px) {
	.sanshin__body {
		grid-template-columns: 1fr;
	}
	.sanshin__img {
		margin: 0 auto;
	}
}

/* ============================================================
   Section 4: Pricing & Reservation
   ============================================================ */
.pricing {
	position: relative;
	overflow: hidden;
}
.pricing__bg {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: clamp(400px, 60vh, 700px);
	z-index: 0;
}
.pricing__bg::after {
	content: "";
	position: absolute;
	top: 0;
	left: clamp(0px, 4vw, 80px);
	right: clamp(0px, 4vw, 80px);
	bottom: 0;
	background: rgba(255, 255, 255, 0.74);
}
.pricing__bg img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center 30%;
}
.pricing__inner {
	position: relative;
	z-index: 1;
}
.pricing__heading {
	font-size: clamp(28px, 4vw, 42px);
	color: var(--brand-teal);
	text-align: center;
	margin: 0 0 clamp(24px, 3vw, 40px);
	letter-spacing: 0.04em;
}
.pricing__table-wrap {
	max-width: 520px;
	margin: 0 auto clamp(20px, 3vw, 32px);
}
.pricing__table {
	width: 100%;
	border-collapse: collapse;
	font-family: "Noto Sans JP", sans-serif;
	background: #fff;
}
.pricing__table th,
.pricing__table td {
	padding: clamp(10px, 1.5vw, 18px) 8px;
	text-align: center;
	font-size: clamp(13px, 1.4vw, 18px);
	border: 0.5px solid var(--brand-teal);
	color: #000;
}
.pricing__table thead th {
	background: #d7d7d7;
	font-weight: 700;
}
.pricing__notes {
	list-style: none;
	padding: 0;
	margin: 0 auto;
	max-width: 580px;
	font-size: clamp(13px, 1.4vw, 19px);
	line-height: 1.7;
}
.pricing__notes li {
	padding-left: 1.2em;
	position: relative;
	margin-bottom: 0.3em;
}
.pricing__notes li::before {
	content: "\30FB";
	position: absolute;
	left: 0;
}

/* Reservation */
.reserve {
	max-width: var(--content-max);
	margin: clamp(60px, 8vw, 100px) auto 0;
	padding: 0 var(--section-px);
	text-align: center;
	position: relative;
	z-index: 1;
}
.reserve__lead {
	font-size: clamp(28px, 4.5vw, 47px);
	color: var(--brand-teal);
	margin: 0 0 clamp(16px, 2vw, 28px);
	line-height: 1.4;
	letter-spacing: -0.02em;
}
.reserve__pill {
	display: inline-block;
	background: var(--brand-teal);
	color: #fff;
	font-family: "Poppins", "Noto Sans JP", sans-serif;
	font-weight: 700;
	font-size: clamp(15px, 1.6vw, 22px);
	letter-spacing: 0.05em;
	padding: clamp(10px, 1.5vw, 14px) clamp(28px, 4vw, 60px);
	margin-bottom: clamp(16px, 2vw, 24px);
}
.reserve__phone {
	font-family: "DM Sans", "Noto Sans JP", sans-serif;
	font-size: clamp(28px, 4vw, 42px);
	font-weight: 700;
	color: var(--brand-teal);
	margin: 0;
	letter-spacing: 0.02em;
}
.reserve__phone a {
	color: inherit;
	text-decoration: none;
}
.reserve__name {
	font-size: clamp(20px, 2.5vw, 28px);
	color: var(--brand-teal);
	margin: clamp(8px, 1vw, 16px) 0 clamp(40px, 6vw, 60px);
}
.reserve__kana {
	font-size: 0.55em;
	margin-left: 0.6em;
	color: var(--brand-teal);
	vertical-align: 0.15em;
}
.reserve__notice {
	text-align: left;
	color: var(--brand-teal);
	font-size: clamp(14px, 1.6vw, 22px);
	font-weight: 700;
	line-height: 1.65;
	max-width: 740px;
	margin: 0 auto clamp(40px, 6vw, 60px);
}
.reserve__notice p {
	margin: 0 0 1em;
}
.reserve__notice-sub {
	color: #000;
	font-weight: 400;
	font-size: 0.9em;
}
.reserve__flow {
	text-align: left;
	max-width: 740px;
	margin: 0 auto;
}
.reserve__flow h3 {
	font-size: clamp(22px, 2.8vw, 30px);
	color: var(--brand-teal);
	margin: 0 0 1em;
}
.reserve__step {
	font-size: clamp(15px, 1.6vw, 22px);
	color: var(--text-muted);
	font-weight: 700;
	margin: 0 0 1em;
}
.reserve__flow ul {
	font-size: clamp(15px, 1.6vw, 22px);
	color: #000;
	list-style: none;
	padding: 0;
	margin: 0;
	line-height: 1.65;
}
.reserve__flow li {
	padding-left: 1.2em;
	position: relative;
	margin-bottom: 0.3em;
}
.reserve__flow li::before {
	content: "\30FB";
	position: absolute;
	left: 0;
}
.sp-only {
	display: none;
}
@media (max-width: 600px) {
	.sp-only {
		display: inline;
	}
}

/* ============================================================
   Section 5: Schedule
   ============================================================ */
.schedule__heading {
	font-size: clamp(28px, 4vw, 42px);
	color: var(--brand-teal);
	text-align: center;
	margin: 0 0 clamp(40px, 5vw, 60px);
	letter-spacing: -0.02em;
}
.schedule__cols {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: clamp(24px, 3vw, 48px);
	margin-bottom: clamp(40px, 6vw, 60px);
}
@media (max-width: 600px) {
	.schedule__cols {
		grid-template-columns: 1fr;
	}
}
.schedule__label {
	font-family: "DM Sans", "Noto Sans JP", sans-serif;
	font-size: clamp(20px, 2.5vw, 28px);
	color: #000;
	text-align: center;
	margin: 0 0 16px;
}
.schedule__table-wrap {
	overflow-x: auto;
}
.schedule__table {
	width: 100%;
	border-collapse: collapse;
	font-family: "Noto Sans JP", sans-serif;
}
.schedule__table th,
.schedule__table td {
	padding: 12px 8px;
	text-align: center;
	font-size: clamp(13px, 1.4vw, 17px);
	border: 1px solid #d9d9d9;
	color: #000;
}
.schedule__table thead th {
	background: #d7d7d7;
	font-weight: 700;
	border-color: var(--brand-teal);
}
.schedule__note {
	font-family: "Noto Sans JP", sans-serif;
	font-size: clamp(13px, 1.4vw, 18px);
	color: #000;
	margin: 12px 0 0;
	line-height: 1.5;
}
.schedule__live {
	text-align: center;
	font-family: "DM Sans", "Noto Sans JP", sans-serif;
	font-size: clamp(20px, 3vw, 37px);
	line-height: 1.7;
	color: #000;
	margin: 0;
}
.schedule__live a {
	color: #000;
	text-decoration: underline;
}
.schedule__live-sub {
	display: block;
	font-size: clamp(14px, 2vw, 30px);
}