@charset "UTF-8";

		/* ========================================
		Base Reset & Variables (Light & Elegant Theme)
		========================================
		*/
		:root {
			--accent-color: #eb2f5b; /* 081.info ブランドピンク */
			--bg-form: #ffffff;
			--bg-image-overlay: rgba(0, 0, 0, 0.15);

			--text-main: #1a1a1a;
			--text-sub: #888888;
			--border-color: #e0e0e0;
			--border-focus: #1a1a1a;

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

		* { box-sizing: border-box; margin: 0; padding: 0; }

		body, html {
			width: 100%;
			height: 100%;
			font-family: var(--font-sans);
			background-color: var(--bg-form);
			color: var(--text-main);
		}

		a { text-decoration: none; color: inherit; transition: all 0.3s; }

		/* ========================================
		Split Layout Container
		========================================
		*/
		.split-layout {
			display: flex;
			flex-direction: column;
			min-height: 100vh;
		}

		@media (min-width: 900px) {
			.split-layout {
				flex-direction: row;
			}
		}

		/* ========================================
		Left: Image Section
		========================================
		*/
		.image-section {
			position: relative;
			width: 100%;
			height: 35vh; /* スマホ時は上部に配置 */
			overflow: hidden;
		}

		@media (min-width: 900px) {
			.image-section {
				width: 50%;
				height: 100vh;
			}
		}

		.bg-image {
			width: 100%;
			height: 100%;
			object-fit: cover;
			/* 高級感を出すため、少し彩度を落として落ち着かせる */
			filter: grayscale(20%) contrast(1.1);
		}

		.image-overlay {
			position: absolute;
			top: 0; left: 0; width: 100%; height: 100%;
			background: var(--bg-image-overlay);
			display: flex;
			flex-direction: column;
			justify-content: center;
			align-items: center;
			padding: 2rem;
			text-align: center;
		}

		.brand-quote {
			font-family: var(--font-serif);
			color: #fff;
			font-size: clamp(1.5rem, 3vw, 2.5rem);
			font-weight: 700;
			line-height: 1.4;
			letter-spacing: 0.1em;
			text-shadow: 0 4px 15px rgba(0,0,0,0.3);
			opacity: 0;
			animation: fadeIn 1.5s ease 0.5s forwards;
		}

		@keyframes fadeIn {
			to { opacity: 1; }
		}

		/* ========================================
		Right: Form Section
		========================================
		*/
		.form-section {
			width: 100%;
			flex: 1;
			display: flex;
			justify-content: center;
			align-items: center;
			padding: 3rem 2rem;
			background: var(--bg-form);
			position: relative;
		}

		@media (min-width: 900px) {
			.form-section {
				width: 50%;
				padding: 4rem;
			}
		}

		.form-wrapper {
			width: 100%;
			max-width: 400px;
			/* 下からフワッと現れるアニメーション */
			opacity: 0;
			transform: translateY(20px);
			animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
		}

		@keyframes fadeUp {
			to { opacity: 1; transform: translateY(0); }
		}

		/* ========================================
		Header Texts
		========================================
		*/
		.login-header {
			margin-bottom: 4rem;
			text-align: center;
		}

		.logo-text {
			font-family: var(--font-eng);
			font-size: 2rem;
			font-weight: 900;
			letter-spacing: 0.1em;
			margin-bottom: 0.5rem;
			color: var(--text-main);
		}

		.login-title {
			font-family: var(--font-serif);
			font-size: 0.9rem;
			font-weight: 700;
			letter-spacing: 0.3em;
			color: var(--text-sub);
			text-transform: uppercase;
		}

		/* ========================================
		Form Fields (Minimalist Style)
		========================================
		*/
		.input-group {
			margin-bottom: 2.5rem;
			position: relative;
		}

		.input-label {
			display: block;
			font-family: var(--font-eng);
			font-size: 0.8rem;
			font-weight: 700;
			letter-spacing: 0.1em;
			color: var(--text-sub);
			margin-bottom: 0.5rem;
			text-transform: uppercase;
			transition: color 0.3s;
		}

		.input-control {
			width: 100%;
			padding: 0.8rem 0;
			font-family: var(--font-sans);
			font-size: 1.1rem;
			color: var(--text-main);
			background: transparent;
			border: none;
			border-bottom: 1px solid var(--border-color);
			outline: none;
			transition: border-color 0.3s;
		}

		.input-control::placeholder {
			color: #ccc;
			font-weight: 300;
		}

		.input-control:focus {
			border-bottom-color: var(--border-focus);
		}

		.input-control:focus + .input-border-anim {
			width: 100%;
		}

		/* 入力時の下線アニメーション（高級感を底上げ） */
		.input-border-anim {
			position: absolute;
			bottom: 0; left: 0;
			width: 0; height: 1px;
			background-color: var(--accent-color);
			transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
		}

		/* ========================================
		Options (Remember & Forgot)
		========================================
		*/
		.login-options {
			display: flex;
			justify-content: space-between;
			align-items: center;
			margin-bottom: 3.5rem;
			font-size: 0.85rem;
		}

		.checkbox-wrap {
			display: flex;
			align-items: center;
			cursor: pointer;
			color: var(--text-sub);
			transition: color 0.2s;
		}
		.checkbox-wrap:hover { color: var(--text-main); }

		.checkbox-wrap input[type="checkbox"] { display: none; }

		.checkmark {
			width: 16px; height: 16px;
			border: 1px solid var(--border-color);
			border-radius: 2px;
			margin-right: 8px;
			position: relative;
			transition: all 0.2s;
		}

		.checkbox-wrap input[type="checkbox"]:checked + .checkmark {
			background-color: var(--text-main);
			border-color: var(--text-main);
		}

		.checkbox-wrap input[type="checkbox"]:checked + .checkmark::after {
			content: '';
			position: absolute;
			left: 4px; top: 1px;
			width: 4px; height: 8px;
			border: solid white;
			border-width: 0 2px 2px 0;
			transform: rotate(45deg);
		}

		.forgot-link {
			color: var(--text-sub);
			font-family: var(--font-eng);
			letter-spacing: 0.05em;
			position: relative;
		}

		.forgot-link::after {
			content: '';
			position: absolute;
			bottom: -2px; left: 0; width: 0%; height: 1px;
			background: var(--text-main);
			transition: width 0.3s;
		}
		.forgot-link:hover { color: var(--text-main); }
		.forgot-link:hover::after { width: 100%; }

		/* ========================================
		Submit Button (Solid & Elegant)
		========================================
		*/
		.btn-submit {
			width: 100%;
			padding: 1.2rem;
			background: var(--text-main);
			color: #fff;
			font-family: var(--font-eng);
			font-size: 0.95rem;
			font-weight: 700;
			letter-spacing: 0.2em;
			text-transform: uppercase;
			border: none;
			border-radius: 0; /* あえて角張らせてソリッドな高級感を出す */
			cursor: pointer;
			transition: all 0.3s ease;
		}

		.btn-submit:hover {
			background: var(--accent-color);
			box-shadow: 0 10px 20px rgba(235, 47, 91, 0.2);
			transform: translateY(-2px);
		}

		.btn-submit:active {
			transform: translateY(0);
			box-shadow: none;
		}

		/* ========================================
		Footer
		========================================
		*/
		.login-footer {
			margin-top: 4rem;
			text-align: center;
			font-size: 0.75rem;
			font-family: var(--font-eng);
			color: #bbb;
			letter-spacing: 0.1em;
		}