/**
 * あなたの夏の運勢診断 専用スタイル
 * - 夕焼け→夜空グラデーション、夏のエッジ
 */

:root {
	--sfn-sunset-orange: #FF8E5C;
	--sfn-sunset-pink: #FF6B9B;
	--sfn-sunset-purple: #6A4DB8;
	--sfn-night: #1E2A5C;
	--sfn-water: #2EB1D8;
	--sfn-water-deep: #1D7A8F;
	--sfn-sand: #F4E0B8;
	--sfn-gold: #DAA520;
}

.sfn-input-section {
	padding: 22px 20px;
	margin: 14px 16px;
	background:
		radial-gradient(circle at 30% 30%, rgba(255, 142, 92, 0.10) 0, transparent 50%),
		linear-gradient(180deg, #FFF6E8 0%, #FFE8D0 100%);
	border-radius: 10px;
	border: 1px solid #FFD9B0;
}

.sfn-section-heading {
	font-family: var(--font-display);
	font-size: 16px;
	font-weight: 700;
	color: #6A2B1F;
	margin: 0 0 14px;
	text-align: center;
	letter-spacing: 0.04em;
}

.sfn-birth-grid {
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr;
	gap: 10px;
	max-width: 460px;
	margin: 0 auto;
}

.sfn-birth-field {
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.sfn-birth-label {
	font-size: 11px;
	font-weight: 700;
	color: #6A2B1F;
	text-align: center;
}

.sfn-birth-select {
	padding: 11px 10px;
	font-size: 15px;
	font-family: var(--font-display);
	border: 1px solid #FFC8A0;
	border-radius: 8px;
	background: #FFFFFF;
	cursor: pointer;
	text-align: center;
	color: #6A2B1F;
	font-weight: 600;
}

.sfn-birth-select:focus {
	outline: none;
	border-color: var(--sfn-sunset-orange);
	box-shadow: 0 0 0 3px rgba(255, 142, 92, 0.18);
}

.sfn-input-note {
	display: flex;
	align-items: flex-start;
	gap: 8px;
	margin: 18px auto 0;
	max-width: 540px;
	padding: 9px 12px;
	font-size: 11.5px;
	line-height: 1.6;
	color: #6A2B1F;
	background: rgba(255, 255, 255, 0.7);
	border-radius: 6px;
	border: 1px dashed #FFC8A0;
}

.sfn-note-mark {
	flex-shrink: 0;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 18px;
	height: 18px;
	border-radius: 50%;
	background: var(--sfn-sunset-orange);
	color: #FFFFFF;
	font-size: 11px;
	font-weight: 700;
	margin-top: 1px;
}

.sfn-action {
	margin-top: 20px;
	text-align: center;
}

.sfn-action-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 15px 38px;
	font-family: var(--font-display);
	font-size: 15px;
	font-weight: 700;
	letter-spacing: 0.06em;
	color: #FFFFFF;
	background: linear-gradient(135deg, var(--sfn-sunset-orange) 0%, var(--sfn-sunset-pink) 100%);
	border: none;
	border-radius: 30px;
	cursor: pointer;
	box-shadow: 0 4px 14px rgba(255, 107, 155, 0.30);
	transition: transform 0.15s ease, filter 0.15s ease;
}

.sfn-action-btn:hover {
	transform: translateY(-2px);
	filter: brightness(1.06);
}

/* ========================================
   計算アニメーション
   ======================================== */
.sfn-calc-animation {
	padding: 40px 20px;
	text-align: center;
}

.sfn-calc-spinner {
	display: inline-block;
	width: 56px;
	height: 56px;
	border: 4px solid #FFE8D0;
	border-top-color: var(--sfn-sunset-orange);
	border-radius: 50%;
	animation: sfn-spin 0.9s linear infinite;
	margin-bottom: 16px;
}

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

.sfn-calc-text {
	font-family: var(--font-display);
	font-size: 14px;
	color: #6A2B1F;
	letter-spacing: 0.04em;
}

/* ========================================
   結果ヘッドライン（夕焼け）
   ======================================== */
.sfn-headline {
	padding: 36px 20px 30px;
	background:
		radial-gradient(circle at 20% 20%, rgba(218, 165, 32, 0.20) 0, transparent 50%),
		radial-gradient(circle at 80% 80%, rgba(255, 107, 155, 0.20) 0, transparent 50%),
		linear-gradient(135deg, #FF8E5C 0%, #FF6B9B 50%, #6A4DB8 100%);
	color: #FFFFFF;
	text-align: center;
	border-radius: 10px;
	margin: 0 16px;
	position: relative;
	overflow: hidden;
}

.sfn-headline::before {
	content: '';
	position: absolute;
	top: 0; left: 0; right: 0;
	height: 1px;
	background: linear-gradient(90deg, transparent, var(--sfn-gold), transparent);
}

.sfn-headline-tag {
	font-family: var(--font-display);
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.30em;
	color: var(--sfn-gold);
	margin-bottom: 14px;
}

.sfn-headline-grade-wrap {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 4px;
	margin-bottom: 18px;
}

.sfn-headline-label {
	font-size: 11px;
	letter-spacing: 0.2em;
	color: rgba(255, 255, 255, 0.85);
}

.sfn-headline-grade {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 110px;
	padding: 12px 22px;
	font-family: var(--font-display);
	font-size: 42px;
	font-weight: 800;
	letter-spacing: 0.04em;
	color: #6A2B1F;
	background: linear-gradient(135deg, #FFE99A 0%, #DAA520 100%);
	border-radius: 10px;
	box-shadow: 0 4px 18px rgba(218, 165, 32, 0.40);
}

.sfn-headline-grade--sss { background: linear-gradient(135deg, #FFE99A 0%, #FFB700 100%); }
.sfn-headline-grade--ss  { background: linear-gradient(135deg, #E8E8E8 0%, #B8B8B8 100%); }
.sfn-headline-grade--s   { background: linear-gradient(135deg, #F4D976 0%, #DAA520 100%); }
.sfn-headline-grade--a   { background: linear-gradient(135deg, #B5E8C9 0%, #4FB87E 100%); }
.sfn-headline-grade--b   { background: linear-gradient(135deg, #B5D5F0 0%, #4A8FE8 100%); }
.sfn-headline-grade--c   { background: linear-gradient(135deg, #D8D2EA 0%, #8E84A8 100%); color: #FFFFFF; }
.sfn-headline-grade--d   { background: linear-gradient(135deg, #BFB5C9 0%, #6E657A 100%); color: #FFFFFF; }

.sfn-headline-type {
	font-family: var(--font-display);
	font-size: 22px;
	font-weight: 700;
	color: #FFFFFF;
	margin-bottom: 14px;
}

.sfn-headline-message {
	max-width: 540px;
	margin: 0 auto;
	font-size: 13.5px;
	line-height: 1.95;
	color: rgba(255, 255, 255, 0.92);
}

/* ========================================
   セクション共通
   ======================================== */
.sfn-section {
	margin: 22px 16px 0;
}

.sfn-section-title {
	font-family: var(--font-display);
	font-size: 16px;
	font-weight: 700;
	color: #6A2B1F;
	margin: 0 0 12px;
	padding-left: 12px;
	border-left: 4px solid var(--sfn-sunset-orange);
	letter-spacing: 0.04em;
}

/* ========================================
   月別カレンダー
   ======================================== */
.sfn-monthly-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 10px;
}

@media (max-width: 600px) {
	.sfn-monthly-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

.sfn-month-card {
	padding: 14px 12px;
	background: #FFFFFF;
	border: 1px solid var(--color-border);
	border-radius: 8px;
	text-align: center;
	position: relative;
	overflow: hidden;
}

.sfn-month-card::before {
	content: '';
	position: absolute;
	top: 0; left: 0; right: 0;
	height: 4px;
}

.sfn-month-card--lv5::before { background: linear-gradient(90deg, #FFE99A, #FFB700); }
.sfn-month-card--lv4::before { background: linear-gradient(90deg, #F4D976, #DAA520); }
.sfn-month-card--lv3::before { background: linear-gradient(90deg, #FFB5C5, #FF6B9B); }
.sfn-month-card--lv2::before { background: linear-gradient(90deg, #B5D5F0, #4A8FE8); }
.sfn-month-card--lv1::before { background: linear-gradient(90deg, #D8D2EA, #8E84A8); }

.sfn-month-num {
	font-family: var(--font-display);
	font-size: 20px;
	font-weight: 800;
	color: #6A2B1F;
	margin-bottom: 4px;
}

.sfn-month-num-unit {
	font-size: 12px;
	font-weight: 600;
	margin-left: 2px;
	color: #6A2B1F;
}

.sfn-month-stars {
	font-family: var(--font-display);
	font-size: 13px;
	letter-spacing: 0.08em;
	color: var(--sfn-gold);
	line-height: 1;
	margin-bottom: 8px;
}

.sfn-star-empty { color: #DDD2EA; }

.sfn-month-keyword {
	font-family: var(--font-display);
	font-size: 13px;
	font-weight: 700;
	color: var(--color-text);
	margin-bottom: 4px;
}

.sfn-month-comment {
	font-size: 11.5px;
	color: var(--color-text-secondary);
	line-height: 1.5;
}

/* ========================================
   ラッキー情報
   ======================================== */
.sfn-lucky-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 10px;
}

@media (max-width: 460px) {
	.sfn-lucky-grid {
		grid-template-columns: 1fr;
	}
}

.sfn-lucky-card {
	padding: 14px;
	background: #FFFFFF;
	border: 1px solid var(--color-border);
	border-radius: 10px;
	text-align: center;
}

.sfn-lucky-label {
	font-size: 11px;
	color: var(--color-text-secondary);
	font-weight: 600;
	letter-spacing: 0.05em;
	margin-bottom: 8px;
}

.sfn-lucky-value {
	font-family: var(--font-display);
	font-size: 15px;
	font-weight: 700;
	color: #6A2B1F;
}

.sfn-lucky-value--large {
	font-size: 17px;
}

.sfn-color-chip {
	width: 56px;
	height: 56px;
	margin: 0 auto 8px;
	border-radius: 50%;
	box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
	border: 3px solid #FFFFFF;
	outline: 1px solid var(--color-border);
}

/* ========================================
   テーマメッセージ
   ======================================== */
.sfn-message-card {
	padding: 22px 20px;
	background:
		radial-gradient(circle at 80% 20%, rgba(218, 165, 32, 0.12) 0, transparent 50%),
		linear-gradient(135deg, #1E2A5C 0%, #6A4DB8 100%);
	color: #FFFFFF;
	border-radius: 10px;
	border-left: 4px solid var(--sfn-gold);
}

.sfn-message-label {
	font-size: 11px;
	letter-spacing: 0.2em;
	color: var(--sfn-gold);
	font-weight: 700;
	margin-bottom: 10px;
}

.sfn-message-body {
	font-size: 14px;
	line-height: 2;
	color: #FFFFFF;
}

/* ========================================
   注意書き・アクション
   ======================================== */
.sfn-disclaimer {
	margin: 18px 16px 0;
	padding: 12px 14px;
	font-size: 11.5px;
	line-height: 1.7;
	color: var(--color-text-secondary);
	background: #FAFAF8;
	border: 1px dashed var(--color-border);
	border-radius: 6px;
}

.sfn-share-section {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	justify-content: center;
	padding: 22px 16px 16px;
}

.sfn-share-btn,
.sfn-reset-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 11px 22px;
	font-family: var(--font-display);
	font-size: 13.5px;
	font-weight: 700;
	border-radius: 22px;
	cursor: pointer;
	border: none;
	letter-spacing: 0.04em;
}

.sfn-share-btn--x { background: #000000; color: #FFFFFF; }
.sfn-share-btn--copy { background: #6A2B1F; color: #FFFFFF; }
.sfn-share-btn:hover { filter: brightness(1.08); transform: translateY(-1px); }

.sfn-reset-btn {
	background: #FFFFFF;
	color: #6A2B1F;
	border: 1px solid #FFC8A0;
}

/* ========================================
   関連ツール（共通）
   ======================================== */
.related-tools-list {
	list-style: none;
	padding: 0;
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.related-tools-item { margin: 0; }

.related-tools-link {
	display: flex;
	align-items: center;
	gap: 14px;
	padding: 12px 14px;
	background: var(--color-bg);
	border: 1px solid var(--color-border);
	border-radius: 8px;
	text-decoration: none;
	transition: all 0.2s ease;
}

.related-tools-link:hover {
	background: #FFF6E8;
	border-color: var(--sfn-sunset-orange);
	transform: translateY(-1px);
	box-shadow: 0 2px 8px rgba(255, 142, 92, 0.15);
}

.related-tools-icon {
	flex-shrink: 0;
	width: 40px;
	height: 40px;
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: var(--font-display);
	font-size: 16px;
	font-weight: 700;
	color: #FFFFFF;
	background: linear-gradient(135deg, var(--sfn-sunset-orange) 0%, var(--sfn-sunset-pink) 100%);
	border-radius: 8px;
}

.related-tools-text {
	flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px;
}

.related-tools-name {
	font-family: var(--font-display);
	font-size: 14px; font-weight: 700; color: var(--color-text);
}

.related-tools-desc {
	font-size: 12px; color: var(--color-text-secondary); line-height: 1.5;
}