/* ==========================================================================
   スキー板・スノーボードの長さ計算（sk-）
   ========================================================================== */

:root {
	--sk-main: #1971c2;
	--sk-main-dark: #1864ab;
	--sk-soft: #e7f5ff;
	--sk-sand: #f4f7fa;
}

/* ---------- 入力 ---------- */
.sk-section {
	padding: 18px 20px 6px;
}

.sk-section + .sk-section {
	border-top: 1px solid var(--color-border);
}

.sk-section-title {
	font-family: var(--font-display);
	font-size: 15px;
	font-weight: 700;
	color: var(--color-text);
	margin: 0 0 10px;
	display: flex;
	align-items: center;
	gap: 8px;
	flex-wrap: wrap;
}

.sk-step {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 22px;
	height: 22px;
	border-radius: 50%;
	background: var(--sk-main);
	color: #fff;
	font-size: 12px;
	font-weight: 700;
}

.sk-opt {
	font-weight: 400;
	font-size: 12px;
	color: var(--color-text-muted);
}

.sk-kind {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 10px;
	margin-bottom: 12px;
}

.sk-kind label {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	height: 52px;
	border: 2px solid var(--color-border);
	border-radius: var(--radius);
	font-size: 16px;
	font-weight: 700;
	cursor: pointer;
	background: #fff;
	box-sizing: border-box;
}

.sk-kind input {
	accent-color: var(--sk-main);
	margin: 0;
}

.sk-kind label:has(input:checked) {
	border-color: var(--sk-main);
	background: var(--sk-soft);
	color: var(--sk-main-dark);
}

.sk-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 12px 18px;
	margin-bottom: 12px;
}

.sk-field {
	display: flex;
	flex-direction: column;
	gap: 5px;
	min-width: 0;
}

.sk-label {
	font-size: 13px;
	font-weight: 700;
	color: var(--color-text);
}

.sk-input,
.sk-select {
	width: 100%;
	height: 44px;
	padding: 0 12px;
	line-height: 1.4;
	border: 1.5px solid var(--color-border);
	border-radius: var(--radius);
	font-size: 15px;
	font-family: inherit;
	color: var(--color-text);
	background: #fff;
	box-sizing: border-box;
}

.sk-input:focus,
.sk-select:focus {
	outline: none;
	border-color: var(--sk-main);
	box-shadow: 0 0 0 3px rgba(25, 113, 194, 0.18);
}

.sk-inline {
	display: flex;
	align-items: center;
	gap: 8px;
	flex-wrap: wrap;
}

.sk-inline .sk-input {
	width: 120px;
	text-align: center;
}

.sk-unit {
	font-size: 13.5px;
	color: var(--color-text-secondary);
}

.sk-hint {
	font-size: 12px;
	color: var(--color-text-muted);
	line-height: 1.6;
	margin: 0;
}

.sk-radio-row {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	min-height: 44px;
	align-items: center;
}

.sk-radio {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	height: 44px;
	padding: 0 14px;
	border: 1.5px solid var(--color-border);
	border-radius: var(--radius);
	font-size: 14px;
	cursor: pointer;
	background: #fff;
	box-sizing: border-box;
}

.sk-radio input {
	accent-color: var(--sk-main);
	margin: 0;
}

.sk-radio:has(input:checked) {
	border-color: var(--sk-main);
	background: var(--sk-soft);
	font-weight: 700;
}

.sk-btn-row {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	padding: 6px 20px 20px;
}

.sk-btn {
	padding: 12px 20px;
	border-radius: var(--radius);
	border: 2px solid var(--sk-main);
	background: var(--sk-main);
	color: #fff;
	font-weight: 700;
	font-size: 15px;
	font-family: inherit;
	cursor: pointer;
	transition: background 0.15s ease;
}

.sk-btn:hover {
	background: var(--sk-main-dark);
	border-color: var(--sk-main-dark);
}

.sk-btn--sub {
	background: #fff;
	color: var(--sk-main-dark);
}

.sk-btn--sub:hover {
	background: var(--sk-soft);
}

.sk-error {
	display: none;
	margin: 0 20px 14px;
	padding: 10px 14px;
	border-radius: var(--radius);
	background: #fdecec;
	color: #b42318;
	font-size: 13.5px;
}

/* ---------- 結果 ---------- */
.sk-result {
	display: none;
	border-top: 2px solid var(--sk-main);
	padding: 18px 20px 20px;
}

.sk-result-title {
	font-family: var(--font-display);
	font-size: 18px;
	font-weight: 700;
	margin: 0 0 4px;
}

.sk-result-sub {
	font-size: 13px;
	color: var(--color-text-secondary);
	margin: 0 0 14px;
	line-height: 1.6;
}

.sk-summary {
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr;
	gap: 10px;
	margin-bottom: 16px;
}

.sk-sum-card {
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	padding: 12px 14px;
	background: #fff;
	display: flex;
	flex-direction: column;
	gap: 4px;
	min-width: 0;
}

.sk-sum-card--main {
	background: var(--sk-soft);
	border-color: #a5d8ff;
}

.sk-sum-label {
	font-size: 12px;
	color: var(--color-text-secondary);
}

.sk-sum-value {
	font-family: var(--font-display);
	font-size: 30px;
	font-weight: 700;
	color: var(--sk-main-dark);
	line-height: 1.15;
	word-break: break-all;
}

.sk-sum-card--main .sk-sum-value {
	font-size: 38px;
}

.sk-sum-value small {
	font-size: 14px;
	font-weight: 700;
	color: var(--color-text-secondary);
	margin: 0 2px;
}

.sk-sum-note {
	font-size: 11.5px;
	color: var(--color-text-muted);
	line-height: 1.5;
}

.sk-block-title {
	font-family: var(--font-display);
	font-size: 16px;
	font-weight: 700;
	margin: 18px 0 10px;
	padding-left: 10px;
	border-left: 4px solid var(--sk-main);
}

.sk-judge {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 12px;
}

.sk-judge-card {
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	padding: 14px 16px;
	background: #fff;
	font-size: 13.5px;
	line-height: 1.75;
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.sk-judge-card--sub {
	background: var(--sk-sand);
	grid-column: 1 / -1;
}

.sk-judge-card h4 {
	font-family: var(--font-display);
	font-size: 14px;
	font-weight: 700;
	margin: 0;
	color: var(--color-text-secondary);
}

.sk-parts {
	width: 100%;
	border-collapse: collapse;
	font-size: 13px;
}

.sk-parts th,
.sk-parts td {
	border-bottom: 1px solid var(--color-border);
	padding: 6px 4px;
	text-align: left;
	vertical-align: top;
}

.sk-parts th {
	font-weight: 400;
	color: var(--color-text-secondary);
	width: 62%;
}

.sk-parts td {
	font-weight: 700;
	white-space: nowrap;
}

.sk-parts-total th,
.sk-parts-total td {
	border-bottom: none;
	color: var(--sk-main-dark);
	font-weight: 700;
	white-space: normal;
}

.sk-tips {
	margin: 0;
	padding-left: 1.2em;
}

.sk-tips li + li {
	margin-top: 4px;
}

.sk-judge-muted {
	font-size: 12px;
	color: var(--color-text-muted);
	line-height: 1.6;
	margin-top: auto;
}

.sk-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: 18px;
}

/* ---------- 解説 ---------- */
.sk-table-wrap {
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
}

.sk-doc-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 12.5px;
	min-width: 520px;
}

.sk-doc-table th,
.sk-doc-table td {
	border: 1px solid var(--color-border);
	padding: 6px 8px;
	text-align: center;
	white-space: nowrap;
}

.sk-doc-table th {
	background: var(--sk-soft);
	font-weight: 700;
}

.sk-doc-table td.sk-left,
.sk-doc-table th.sk-left {
	text-align: left;
	white-space: normal;
	min-width: 140px;
}

.sk-doc-table--wrap td {
	white-space: normal;
	text-align: left;
}

.sk-doc-table--wrap td:nth-child(2) {
	min-width: 150px;
}

.sk-doc-table td.sk-src {
	text-align: left;
	white-space: normal;
	font-size: 12px;
	color: var(--color-text-secondary);
}

.sk-sub-title {
	font-family: var(--font-display);
	font-size: 14.5px;
	font-weight: 700;
	margin: 16px 0 8px;
	color: var(--color-text);
}

.sk-source {
	font-size: 12px;
	color: var(--color-text-muted);
	line-height: 1.7;
	margin: 12px 0 0;
	overflow-wrap: anywhere;
}

.sk-related {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 12px;
}

.sk-related a {
	display: block;
	padding: 12px 14px;
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	text-decoration: none;
	color: var(--color-text);
	font-size: 13px;
	line-height: 1.6;
	background: #fff;
}

.sk-related a:hover {
	border-color: var(--sk-main);
	background: var(--sk-soft);
}

.sk-related a strong {
	display: block;
	color: var(--sk-main-dark);
	margin-bottom: 2px;
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 760px) {
	.sk-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.sk-related {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 600px) {
	.sk-grid,
	.sk-judge {
		grid-template-columns: 1fr;
	}

	.sk-summary {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.sk-sum-card--main {
		grid-column: 1 / -1;
	}

	.sk-sum-value {
		font-size: 26px;
	}

	.sk-sum-card--main .sk-sum-value {
		font-size: 34px;
	}

	.sk-section,
	.sk-btn-row,
	.sk-result {
		padding-left: 16px;
		padding-right: 16px;
	}

	.sk-error {
		margin-left: 16px;
		margin-right: 16px;
	}

	.sk-parts th {
		width: 55%;
	}
}

/* ---------- 印刷 ---------- */
.sk-print-root {
	display: none;
}

@media print {
	@page {
		size: A4;
		margin: 10mm;
	}

	body.sk-printing > *:not(.sk-print-root) {
		display: none !important;
	}

	.sk-print-root {
		display: block;
	}

	.sk-print-root .sk-result {
		display: block !important;
		border-top: none;
		padding: 0;
	}

	.sk-print-root .sk-actions {
		display: none !important;
	}

	.sk-print-root .sk-summary {
		grid-template-columns: repeat(3, 1fr);
		gap: 6px;
	}

	.sk-print-root .sk-judge {
		grid-template-columns: repeat(2, 1fr);
		gap: 8px;
	}

	.sk-print-root .sk-judge-card {
		padding: 10px 12px;
		font-size: 12px;
		break-inside: avoid;
	}
}