@charset "UTF-8";

/* ========================================
Base Reset & Variables
========================================
*/
:root {
	--accent-pink: #eb2f5b;
	--bg-base: #fdfdfd;
	--bg-card: #ffffff;
	--text-main: #1a1a1a;
	--text-sub: #777777;
	--border-color: #e0e0e0;
	--border-focus: #1a1a1a;

	--font-sans: 'Noto Sans JP', sans-serif;
	--font-serif: 'Shippori Mincho', serif;
	--font-eng: 'Playfair Display', serif;

	--header-height: 60px;
	--shadow-card: 0 15px 40px rgba(0,0,0,0.04);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
	font-family: var(--font-sans);
	background-color: var(--bg-base);
	color: var(--text-main);
	line-height: 1.8;
	-webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: opacity 0.3s; }

/* ========================================
Simple Header (共通)
========================================
*/
.simple-header {
	position: fixed;
	top: 0; left: 0; width: 100%;
	height: var(--header-height);
	background: rgba(253, 253, 253, 0.95);
	backdrop-filter: blur(10px);
	z-index: 100;
	border-bottom: 1px solid var(--border-color);
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 0 1.5rem;
}
.btn-back { font-family: var(--font-eng); font-size: 0.9rem; font-weight: 700; letter-spacing: 0.1em; }
.header-logo { font-family: var(--font-eng); font-weight: 900; font-size: 1.2rem; }

/* ========================================
Hero Section (Editorial Style)
========================================
*/
.contact-hero {
	padding-top: calc(var(--header-height) + 5rem);
	padding-bottom: 3rem;
	text-align: center;
	background: var(--bg-base);
}

.hero-tag {
	font-family: var(--font-eng);
	font-size: 0.85rem;
	letter-spacing: 0.2em;
	color: var(--accent-pink);
	margin-bottom: 1rem;
	display: block;
	text-transform: uppercase;
}

.hero-title {
	font-family: var(--font-serif);
	font-size: clamp(2.5rem, 6vw, 4rem);
	font-weight: 800;
	line-height: 1.2;
	letter-spacing: 0.05em;
	margin-bottom: 1.5rem;
	color: var(--text-main);
}

.hero-desc {
	font-size: 0.95rem;
	color: var(--text-sub);
	max-width: 600px;
	margin: 0 auto;
	line-height: 2;
	padding: 0 1.5rem;
}

/* ========================================
Form Container & Type Selector
========================================
*/
.form-container {
	max-width: 800px;
	margin: 0 auto 6rem;
	padding: 0 1.5rem;
}

.form-card {
	background: var(--bg-card);
	border-radius: 8px;
	box-shadow: var(--shadow-card);
	padding: 3rem 2rem;
	border: 1px solid rgba(0,0,0,0.03);
}

@media (min-width: 768px) {
	.form-card { padding: 4rem; }
}

/* Radio Button as Tabs */
.type-selector {
	display: flex;
	gap: 1rem;
	margin-bottom: 3rem;
	border-bottom: 2px solid #eee;
	padding-bottom: 2rem;
}

.type-selector input[type="radio"] {
	display: none; /* デフォルトのラジオボタンを隠す */
}

.type-label {
	flex: 1;
	text-align: center;
	padding: 1rem;
	font-family: var(--font-serif);
	font-size: 1.1rem;
	font-weight: 700;
	color: var(--text-sub);
	border: 1px solid var(--border-color);
	border-radius: 4px;
	cursor: pointer;
	transition: all 0.3s ease;
	position: relative;
	overflow: hidden;
}

/* 選択状態のスタイル */
.type-selector input[type="radio"]:checked + .type-label {
	background: var(--text-main);
	color: #fff;
	border-color: var(--text-main);
}

/* 選択状態の下部三角形（吹き出し風） */
.type-selector input[type="radio"]:checked + .type-label::after {
	content: '';
	position: absolute;
	bottom: -8px;
	left: 50%;
	transform: translateX(-50%) rotate(45deg);
	width: 16px;
	height: 16px;
	background: var(--text-main);
}

@media (max-width: 600px) {
	.type-selector { flex-direction: column; gap: 0.5rem; padding-bottom: 1.5rem; }
	.type-selector input[type="radio"]:checked + .type-label::after { display: none; }
}

/* ========================================
Form Fields
========================================
*/
.form-group {
	margin-bottom: 2.5rem;
	opacity: 1;
	transition: opacity 0.4s ease, transform 0.4s ease;
}

/* 切替アニメーション用 */
.form-section {
	display: none;
	animation: fadeIn 0.5s ease forwards;
}
.form-section.is-active {
	display: block;
}

@keyframes fadeIn {
	from { opacity: 0; transform: translateY(10px); }
	to { opacity: 1; transform: translateY(0); }
}

.form-label {
	display: block;
	font-size: 0.9rem;
	font-weight: 700;
	color: var(--text-main);
	margin-bottom: 0.5rem;
}

.form-label .req {
	color: var(--accent-pink);
	font-family: var(--font-eng);
	font-size: 0.7rem;
	margin-left: 0.5rem;
	vertical-align: super;
}

.form-label .opt {
	color: var(--text-sub);
	font-weight: normal;
	font-size: 0.8rem;
	margin-left: 0.5rem;
}

.form-control {
	width: 100%;
	background: transparent;
	border: none;
	border-bottom: 1px solid var(--border-color);
	padding: 0.8rem 0;
	font-family: var(--font-sans);
	font-size: 1rem;
	color: var(--text-main);
	border-radius: 0;
	transition: border-color 0.3s ease;
}

.form-control:focus {
	outline: none;
	border-bottom-color: var(--border-focus);
}

.form-control::placeholder {
	color: #bbb;
	font-weight: 300;
}

textarea.form-control {
	resize: vertical;
	min-height: 120px;
	line-height: 1.6;
}

/* セレクトボックスの装飾 */
select.form-control {
	appearance: none;
	-webkit-appearance: none;
	background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
	background-repeat: no-repeat;
	background-position: right 0 center;
	background-size: 16px;
	padding-right: 2rem;
	cursor: pointer;
}

/* ========================================
Submit Button
========================================
*/
.form-actions {
	margin-top: 4rem;
	text-align: center;
}

.btn-submit {
	display: inline-block;
	width: 100%;
	max-width: 300px;
	padding: 1.2rem;
	background: var(--text-main);
	color: #fff;
	font-family: var(--font-serif);
	font-size: 1.1rem;
	font-weight: 700;
	letter-spacing: 0.1em;
	border: none;
	border-radius: 50px;
	cursor: pointer;
	transition: background 0.3s, transform 0.2s;
}

.btn-submit:hover {
	background: var(--accent-pink);
}
.btn-submit:active {
	transform: scale(0.98);
}

.privacy-note {
	font-size: 0.8rem;
	color: var(--text-sub);
	margin-top: 1.5rem;
	line-height: 1.6;
}
.privacy-note a { color: var(--text-main); text-decoration: underline; }

/* ========================================
send comp
========================================
*/
.send_comp {
	width:150px;
	margin:0;
	padding:15px;
	font-size:100%;
	background:#FB26C6;
	color:#fff;
	border:solid 2px #fff;
	position:fixed;
	bottom:20px;
	right:15px;
	z-index:100;
	text-align: center;
}

.hide { display: none; }

p.er { width:90%; max-width: 500px; margin:10px auto 0 auto; padding:10px; background: #FD4D4D; color:#fff; text-align: center; font-size:100%; }

/* 初期状態はエラーメッセージを隠す */
.error_text {
	display: none;
	color: #ff4d4d;
	font-size: 0.8rem;
	margin-top: 5px;
}

/* 無効な入力の時のスタイル */
.email_field.is-invalid {
	border: 2px solid #ff4d4d;
	outline: none;
}

/* 無効な時だけメッセージを表示 */
.email_field.is-invalid + .error_text {
	display: block;
}

/* 有効な入力の時のスタイル（任意） */
.email_field.is-valid {
	border-bottom: 1px solid #4CAF50;
}

/* ========================================
Footer
========================================
*/
.site-footer {
	background: #111; color: #fff; text-align: center; padding: 2rem 0; font-size: 0.8rem;
}

.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem; margin-bottom: 1.5rem; list-style: none; }
.footer-links a { color: #aaa; transition: color 0.2s; }
.footer-links a:hover { color: #fff; text-decoration: underline; }