/* ============================================================
 * Donuts. 全記事アーカイブ — 一点透視の部屋 × ブロック × 宇宙
 * 色を変えたいときは .arc の変数だけいじればOK
 * ============================================================ */

.arc {
	--arc-c: #2340E8;        /* コバルト:線・文字・塗り */
	--arc-deep: #1B1A8C;     /* 濃紺:塗りブロックのホバー */
	--arc-tint: #EEF1FF;     /* うすい青:白ブロックのホバー */
	--arc-w: #FFFFFF;
	--fd: 26px;              /* ブロックの奥行き(面の幅) */
	--arc-disp: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
	--arc-mono: 'Space Mono', ui-monospace, 'Osaka-Mono', monospace;
	--arc-jp: 'Zen Kaku Gothic New', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', sans-serif;
	--arc-stars:
		radial-gradient(circle at 12% 22%, rgba(255, 255, 255, 0.95) 0 1px, transparent 1.7px),
		radial-gradient(circle at 67% 14%, rgba(255, 255, 255, 0.7) 0 0.7px, transparent 1.3px),
		radial-gradient(circle at 38% 71%, rgba(255, 255, 255, 0.85) 0 1px, transparent 1.7px),
		radial-gradient(circle at 88% 58%, rgba(255, 255, 255, 0.6) 0 0.7px, transparent 1.3px),
		radial-gradient(circle at 21% 92%, rgba(255, 255, 255, 0.5) 0 0.6px, transparent 1.2px),
		radial-gradient(circle at 56% 40%, rgba(255, 255, 255, 0.45) 0 0.5px, transparent 1.1px);

	position: relative;
	width: 100vw;
	margin-left: calc(50% - 50vw);
	box-sizing: border-box;
	padding: 69px 40px 119px;
	background-color: var(--arc-w);
	background-image:
		radial-gradient(circle at 14% 30%, rgba(35, 64, 232, 0.28) 0 1px, transparent 1.6px),
		radial-gradient(circle at 72% 12%, rgba(35, 64, 232, 0.2) 0 0.8px, transparent 1.4px),
		radial-gradient(circle at 46% 78%, rgba(35, 64, 232, 0.24) 0 1px, transparent 1.6px),
		radial-gradient(circle at 90% 64%, rgba(35, 64, 232, 0.16) 0 0.8px, transparent 1.4px);
	background-size: 260px 210px;
	color: var(--arc-c);
	font-family: var(--arc-jp);
	font-size: 15px;
	line-height: 1.7;
	text-align: left;
	overflow: hidden;
}

/* 100vw の横スクロール対策(投稿ページの body には 'blog' が付く) */
body.blog {
	overflow-x: clip;
}

.arc *,
.arc *::before,
.arc *::after {
	box-sizing: border-box;
}

/* テーマ側の見出しや箇条書きの飾りを打ち消す(:where で弱くして、下の指定が勝つように) */
.arc :where(h1, h2, h3, p, ul, li, dl, dt, dd) {
	margin: 0;
	padding: 0;
	border: 0;
	background: none;
	letter-spacing: normal;
	color: inherit;
	font-size: inherit;
	font-weight: inherit;
}

.arc :where(h1, h2, h3, li)::before,
.arc :where(h1, h2, h3)::after {
	content: none;
}

.arc :where(ul) {
	list-style: none;
}

.arc a {
	color: inherit;
	text-decoration: none;
	box-shadow: none;
}

.arc a:focus-visible {
	outline: 3px dashed var(--arc-c);
	outline-offset: 4px;
}

.arc-sr {
	position: absolute !important;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
	border: 0;
}

.arc-stage {
	position: relative;
	max-width: 1200px;
	margin: 0 auto;
}

/* ------------------------------------------------------------
 * ブロックと、その奥行きの面
 * ------------------------------------------------------------ */
.arc-blk {
	position: relative;
	background: var(--arc-w);
	border: 1.5px solid var(--arc-c);
	color: var(--arc-c);
}

.arc-blk--fill {
	background-color: var(--arc-c);
	background-image: var(--arc-stars);
	background-size: 140px 90px;
	color: var(--arc-w);
}

.arc-face {
	position: absolute;
	overflow: visible;
	pointer-events: none;
}

.arc-face polygon {
	fill: var(--arc-w);
	stroke: var(--arc-c);
	stroke-width: 1.5;
	stroke-linejoin: round;
	vector-effect: non-scaling-stroke;
}

.arc-face path {
	fill: none;
	stroke: var(--arc-c);
	stroke-width: 1;
	opacity: 0.5;
	vector-effect: non-scaling-stroke;
}

.arc-face--r {
	top: -1.5px;
	left: 100%;
	width: var(--fd);
	height: calc(100% + 3px);
}

.arc-face--l {
	top: -1.5px;
	right: 100%;
	width: var(--fd);
	height: calc(100% + 3px);
}

.arc-face--b {
	top: 100%;
	left: -1.5px;
	width: calc(100% + 3px);
	height: var(--fd);
}

/* ------------------------------------------------------------
 * 部屋の線(一点透視)と、奥から手前へ流れてくる枠
 * ------------------------------------------------------------ */
.arc-room {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	overflow: visible;
	pointer-events: none;
}

.arc-room path {
	fill: none;
	stroke: var(--arc-c);
	stroke-width: 1.2;
	vector-effect: non-scaling-stroke;
}

.arc-room__warp path {
	stroke-width: 1;
	opacity: 0;
	transform-box: view-box;
	transform-origin: var(--vx) var(--vy);
	animation: arc-warp 8s cubic-bezier(0.6, 0, 1, 0.7) infinite;
}

.arc-room__warp path:nth-child(2) { animation-delay: -2s; }
.arc-room__warp path:nth-child(3) { animation-delay: -4s; }
.arc-room__warp path:nth-child(4) { animation-delay: -6s; }

/* 消失点と、奥の壁 → 手前の枠までの倍率 */
.arc-room--desk { --vx: 50px; --vy: 60px; --sx: 3.571; --sy: 2.923; }
.arc-room--mob  { --vx: 50px; --vy: 50px; --sx: 1.923; --sy: 1.786; }

@keyframes arc-warp {
	0%   { transform: scale(1, 1); opacity: 0; }
	12%  { opacity: 0.6; }
	75%  { opacity: 0.35; }
	100% { transform: scale(var(--sx), var(--sy)); opacity: 0; }
}

/* ------------------------------------------------------------
 * 部屋(デスクトップ:1枚の絵として配置)
 * ------------------------------------------------------------ */
.arc-hero {
	position: relative;
	height: 760px;
	background: var(--arc-w);
	border: 1.5px solid var(--arc-c);
	overflow: hidden;
}

.arc-room--mob {
	display: none;
}

.arc-strip {
	display: contents;
}

.arc-hash,
.arc-url {
	position: absolute;
	top: 64px;
	z-index: 2;
	display: flex;
	align-items: center;
	width: 25%;
	height: 56px;
	padding: 0 16px;
	font-family: var(--arc-disp);
	font-stretch: 125%;
	font-weight: 500;
	font-size: clamp(13px, 1.55vw, 21px);
	line-height: 1;
	white-space: nowrap;
}

.arc-hash { left: 8%; }
.arc-url  { right: 8%; justify-content: flex-end; }

.arc-hash span,
.arc-url span {
	overflow: hidden;
	text-overflow: ellipsis;
}

.arc-title {
	position: absolute;
	top: -1.5px;
	left: 33%;
	z-index: 4;
	display: flex;
	flex-direction: column;
	justify-content: center;
	width: 34%;
	height: 176px;
	padding: 19px 12px;
	text-align: center;
}

.arc-title h1 {
	font-family: var(--arc-disp);
	font-stretch: 125%;
	line-height: 1.02;
}

.arc-title .l1 {
	display: block;
	font-weight: 800;
	font-size: clamp(34px, 4.6vw, 60px);
}

.arc-title .l2 {
	display: block;
	margin-top: 6px;
	font-weight: 400;
	font-size: clamp(20px, 2.8vw, 38px);
	white-space: nowrap;
}

.arc-count {
	position: absolute;
	top: 206px;
	left: 35%;
	z-index: 3;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 30%;
	height: 64px;
	--fd: 22px;
}

.arc-count .live {
	position: absolute;
	top: 6px;
	left: 10px;
	display: flex;
	align-items: center;
	gap: 5px;
	font-family: var(--arc-mono);
	font-size: 9px;
	font-weight: 700;
	line-height: 1;
}

.arc-count .live i {
	display: block;
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--arc-c);
	animation: arc-blink 1.4s steps(1) infinite;
}

.arc-count .num {
	font-family: var(--arc-disp);
	font-stretch: 125%;
	font-weight: 400;
	font-size: clamp(20px, 2.4vw, 30px);
	line-height: 1;
	white-space: nowrap;
}

.arc-count small {
	font-size: 0.55em;
}

/* 部屋の奥の壁 = 宇宙へひらいた窓 */
.arc-orb {
	--bx0: 0%;
	--bx1: 0%;
	--by0: 0%;
	--by1: 0%;
	position: absolute;
	top: 300px;
	left: 36%;
	z-index: 1;
	width: 28%;
	height: 260px;
}

.arc-orb::before {
	content: '';
	position: absolute;
	top: var(--by0);
	right: var(--bx1);
	bottom: var(--by1);
	left: var(--bx0);
	background-color: var(--arc-c);
	background-image: var(--arc-stars);
	background-size: 110px 80px;
}

.arc-planet {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 250px;
	height: 250px;
	overflow: visible;
	transform: translate(-50%, -50%);
}

/* 軌道は「太い青の上に細い白」:宇宙の窓の中では白い線、白い壁の上では二重線に見える */
.arc-planet__orbit-u {
	fill: none;
	stroke: var(--arc-c);
	stroke-width: 4.5;
}

.arc-planet__orbit {
	fill: none;
	stroke: var(--arc-w);
	stroke-width: 1.6;
}

.arc-planet__body {
	fill: var(--arc-w);
}

.arc-planet__stripes circle {
	fill: none;
	stroke: var(--arc-c);
	stroke-width: 8;
}

.arc-planet__stripes {
	transform-box: view-box;
	transform-origin: 120px 120px;
	animation: arc-wobble 16s ease-in-out infinite alternate;
}

.arc-planet__rim {
	fill: none;
	stroke: var(--arc-w);
	stroke-width: 2;
}

.arc-planet__moon {
	fill: var(--arc-w);
	stroke: var(--arc-c);
	stroke-width: 1.5;
}

@keyframes arc-wobble {
	from { transform: rotate(-14deg); }
	to   { transform: rotate(14deg); }
}

/* きらきらと星 */
.arc-spark {
	position: absolute;
	z-index: 2;
	fill: var(--arc-c);
	animation: arc-twinkle 3.2s ease-in-out infinite alternate;
}

.arc-orb .arc-spark {
	fill: var(--arc-w);
}

.arc-dot {
	position: absolute;
	z-index: 2;
	width: 4px;
	height: 4px;
	border-radius: 50%;
	background: var(--arc-w);
}

.arc-spark--a { top: 12%; left: 8%; }
.arc-spark--b { top: 24%; right: 10%; animation-delay: -1.2s; }
.arc-spark--c { right: 14%; bottom: 10%; animation-delay: -2.1s; }
.arc-spark--d { top: 560px; left: 18%; animation-delay: -0.6s; }
.arc-spark--e { top: 548px; right: 17%; animation-delay: -1.8s; }

.arc-dot--a { top: 76%; left: 20%; }
.arc-dot--b { top: 10%; left: 64%; width: 3px; height: 3px; }
.arc-dot--c { top: 58%; left: 88%; width: 3px; height: 3px; }

@keyframes arc-twinkle {
	from { transform: scale(0.7) rotate(0deg); opacity: 0.55; }
	to   { transform: scale(1.1) rotate(20deg); opacity: 1; }
}

@keyframes arc-blink {
	50% { opacity: 0; }
}

.arc-today {
	position: absolute;
	top: 578px;
	left: 36.5%;
	z-index: 2;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	width: 27%;
	height: 62px;
	font-weight: 700;
	font-size: clamp(15px, 1.7vw, 21px);
	line-height: 1;
	white-space: nowrap;
}

.arc-today .mono {
	font-family: var(--arc-disp);
	font-stretch: 125%;
	font-weight: 400;
	font-size: 0.85em;
}

.arc-today .sep {
	opacity: 0.6;
}

/* 左の壁:タグの段 */
.arc-rows {
	position: absolute;
	top: 132px;
	left: 8%;
	z-index: 2;
	width: 26%;
}

.arc-row {
	height: 60px;
}

.arc-row + .arc-row {
	margin-top: -1.5px;
}

.arc-row:not(.arc-blk--fill) {
	width: 88%;
	margin-left: 12%;
}

.arc-row a {
	display: flex;
	align-items: center;
	gap: 12px;
	height: 100%;
	padding: 0 16px;
}

.arc-row .name {
	flex: 1;
	min-width: 0;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	font-weight: 700;
	font-size: clamp(15px, 1.6vw, 20px);
	line-height: 1;
}

.arc-row .arr {
	font-family: var(--arc-disp);
	font-size: 16px;
	line-height: 1;
	transition: transform 0.2s ease;
}

.arc-row .n {
	font-family: var(--arc-disp);
	font-stretch: 125%;
	font-weight: 500;
	font-size: clamp(15px, 1.6vw, 21px);
	line-height: 1;
}

.arc-row:hover .arr {
	transform: translateX(4px);
}

.arc-row:not(.arc-blk--fill):hover {
	background: var(--arc-tint);
}

.arc-row.arc-blk--fill:hover {
	background-color: var(--arc-deep);
}

/* 右の壁:計器のパネル */
.arc-panels {
	position: absolute;
	top: 132px;
	left: 67%;
	z-index: 2;
	display: flex;
	flex-direction: column;
	gap: 14px;
	width: 27%;
}

.arc-panel {
	display: flex;
	min-height: 108px;
}

.arc-panel__body {
	flex: 1;
	min-width: 0;
	padding: 12px 14px 12px;
}

.arc-panel__h {
	margin-bottom: 6px !important;
	font-family: var(--arc-disp);
	font-stretch: 125%;
	font-weight: 800;
	font-size: 13px;
	line-height: 1.2;
}

.arc-panel__icon {
	display: grid;
	flex: 0 0 64px;
	place-items: center;
	background-color: var(--arc-c);
	background-image: var(--arc-stars);
	background-size: 90px 70px;
}

.arc-panel__icon svg {
	display: block;
	fill: none;
	stroke: var(--arc-w);
	stroke-width: 1.4;
}

.arc-sky .arc-panel__icon svg .ring {
	stroke: rgba(255, 255, 255, 0.55);
}

.arc-sky .arc-panel__icon svg .lit {
	fill: var(--arc-w);
	stroke: none;
}

.arc-list div,
.arc-meter div {
	display: flex;
	align-items: center;
	gap: 10px;
	min-width: 0;
	font-family: var(--arc-mono);
	font-size: 11px;
	line-height: 1.85;
}

.arc-list dt,
.arc-meter dt {
	flex: 0 0 44px;
	opacity: 0.7;
}

.arc-list dd {
	min-width: 0;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	font-family: var(--arc-jp);
	font-weight: 700;
	font-size: 13px;
}

.arc-loc .arc-list dt {
	flex-basis: 30px;
}

.arc-loc .arc-list dd {
	font-family: var(--arc-mono);
	font-weight: 400;
	font-size: 11px;
}

.arc-meter dd {
	display: flex;
	align-items: center;
	gap: 6px;
}

.arc-meter i {
	display: block;
	width: calc(4px + var(--v, 0) * 0.5px);
	height: 8px;
	background: var(--arc-c);
}

.arc-stats__glyph {
	position: relative;
	flex: 0 0 72px;
	border-right: 1.5px solid var(--arc-c);
	overflow: hidden;
}

.arc-stats__glyph span {
	position: absolute;
	top: 50%;
	left: 50%;
	font-family: var(--arc-disp);
	font-stretch: 125%;
	font-weight: 800;
	font-size: 60px;
	line-height: 1;
	-webkit-text-stroke: 1.3px var(--arc-c);
}

.arc-stats__glyph .back {
	color: transparent;
	opacity: 0.55;
	transform: translate(calc(-50% + 5px), calc(-50% - 5px));
}

.arc-stats__glyph .front {
	color: var(--arc-w);
	transform: translate(-50%, -50%);
}

/* 床の3マス */
.arc-floor {
	position: absolute;
	right: 0;
	bottom: 0;
	left: 0;
	z-index: 3;
	display: grid;
	grid-template-columns: 33% 34% 33%;
	height: 96px;
	border-top: 1.5px solid var(--arc-c);
	background: var(--arc-w);
}

.arc-floor__out,
.arc-floor__mid {
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: var(--arc-disp);
	font-stretch: 125%;
	font-weight: 800;
	line-height: 1;
	white-space: nowrap;
}

.arc-floor__out {
	color: transparent;
	font-size: clamp(26px, 3.6vw, 46px);
	-webkit-text-stroke: 1.2px var(--arc-c);
}

.arc-floor__mid {
	margin: -1.5px 0 0;
	border-bottom: 0;
	font-size: clamp(22px, 2.9vw, 38px);
}

/* ------------------------------------------------------------
 * 記事:通路の両側に積んだブロック
 * ------------------------------------------------------------ */
.arc-log {
	margin-top: 99px;
}

.arc-log__h {
	display: flex;
	align-items: center;
	gap: 16px;
	margin-bottom: 57px !important;
}

.arc-log__h .tag {
	--fd: 18px;
	padding: 12px 20px;
	font-family: var(--arc-disp);
	font-stretch: 125%;
	font-weight: 800;
	font-size: 18px;
	line-height: 1;
}

.arc-log__h .arr {
	margin-left: 14px;
	font-family: var(--arc-disp);
	font-size: 22px;
	line-height: 1;
}

.arc-log__h .jp {
	font-weight: 700;
	font-size: 22px;
	line-height: 1.3;
}

.arc-posts {
	position: relative;
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	column-gap: 12%;
	row-gap: 48px;
	padding-bottom: 57px;
}

/* 真ん中の通路:はしごみたいな段と星 */
.arc-posts::before {
	content: '';
	position: absolute;
	top: -57px;
	bottom: 0;
	left: 44%;
	width: 12%;
	border-right: 1.5px solid var(--arc-c);
	border-left: 1.5px solid var(--arc-c);
	background-image:
		radial-gradient(circle at 30% 20%, var(--arc-c) 0 1.2px, transparent 1.9px),
		radial-gradient(circle at 72% 64%, var(--arc-c) 0 0.9px, transparent 1.6px),
		repeating-linear-gradient(to bottom, transparent 0 56px, rgba(35, 64, 232, 0.5) 56px 57px);
	background-size: 100% 150px, 100% 110px, 100% 57px;
}

.arc-post {
	--ty: 0px;
	--hx: 0px;
	--hy: 0px;
	transform: translate(var(--hx), calc(var(--ty) + var(--hy)));
	transition: transform 0.2s ease, background-color 0.2s ease;
}

.arc-post:nth-child(even) {
	--ty: 57px;
}

.arc-post:nth-child(odd) .arc-face--l,
.arc-post:nth-child(even) .arc-face--r {
	display: none;
}

.arc-post:hover,
.arc-post:focus-within {
	--hy: -4px;
}

.arc-post:not(.arc-blk--fill):hover {
	background: var(--arc-tint);
}

.arc-post.arc-blk--fill:hover {
	background-color: var(--arc-deep);
}

.arc-post:focus-within {
	outline: 3px dashed var(--arc-c);
	outline-offset: 5px;
}

.arc-post a:focus-visible {
	outline: none;
}

.arc-post__top {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 10px 16px !important;
	border-bottom: 1.5px solid var(--arc-c) !important;
	font-family: var(--arc-mono);
	font-weight: 700;
	font-size: 11px;
	line-height: 1.4;
}

.arc-blk--fill .arc-post__top {
	border-bottom-color: rgba(255, 255, 255, 0.55) !important;
}

.arc-post__top .no {
	font-family: var(--arc-disp);
	font-stretch: 125%;
	font-weight: 800;
	font-size: 14px;
}

.arc-post__top .cat {
	margin-left: auto;
	font-family: var(--arc-jp);
	font-size: 12px;
}

.arc-post__main {
	display: flex;
	gap: 16px;
	padding: 16px 16px 19px;
}

.arc-post__thumb {
	position: relative;
	flex: 0 0 96px;
	height: 96px;
	overflow: hidden;
	background: var(--arc-c);
	border: 1.5px solid var(--arc-c);
}

.arc-blk--fill .arc-post__thumb {
	border-color: var(--arc-w);
}

/* 写真はコバルトの2色刷りに */
.arc-post__thumb img {
	display: block;
	width: 100%;
	height: 100%;
	max-width: none;
	object-fit: cover;
	filter: grayscale(1) contrast(1.2) brightness(1.05);
	mix-blend-mode: screen;
}

.arc-post__thumb svg {
	display: block;
	width: 100%;
	height: 100%;
	padding: 18px;
	fill: none;
	stroke: var(--arc-w);
	stroke-width: 1.2;
}

.arc-post__thumb svg circle {
	fill: var(--arc-c);
}

.arc-post__txt {
	flex: 1;
	min-width: 0;
}

.arc-post__ttl {
	font-weight: 700 !important;
	font-size: 18px !important;
	line-height: 1.5;
	overflow-wrap: anywhere;
}

/* ブロック全体をクリックできるように */
.arc-post__ttl a::after {
	content: '';
	position: absolute;
	inset: 0;
	z-index: 1;
}

.arc-post__ex {
	display: -webkit-box;
	margin-top: 6px !important;
	overflow: hidden;
	font-size: 13px !important;
	line-height: 1.7;
	opacity: 0.85;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
}

/* ------------------------------------------------------------
 * ページ送り:床の3マス
 * ------------------------------------------------------------ */
.arc-pager {
	display: grid;
	grid-template-columns: 1fr 1.2fr 1fr;
	margin-top: 99px;
}

.arc-pager > * {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	height: 64px;
	font-family: var(--arc-disp);
	font-stretch: 125%;
	line-height: 1;
	white-space: nowrap;
}

.arc-pager > * + * {
	margin-left: -1.5px;
}

.arc-pager__cell {
	font-weight: 500;
	font-size: 16px;
}

a.arc-pager__cell:hover {
	background: var(--arc-tint);
}

.arc-pager__cell.is-off {
	color: rgba(35, 64, 232, 0.35);
}

.arc-pager__mid {
	font-weight: 800;
	font-size: 18px;
}

.arc-home {
	margin-top: 23px !important;
	text-align: center;
	font-family: var(--arc-mono);
	font-size: 12px;
}

.arc-home a:hover {
	text-decoration: underline;
	text-underline-offset: 3px;
}

/* 記事がないとき */
.arc-empty {
	max-width: 440px;
	margin: 99px auto 0;
	padding: 40px 28px;
	text-align: center;
}

.arc-empty .code {
	font-family: var(--arc-disp);
	font-stretch: 125%;
	font-weight: 800;
	font-size: 32px;
	line-height: 1.1;
}

.arc-empty .txt {
	margin-top: 12px !important;
	font-size: 14px;
}

.arc .arc-empty__btn {
	display: inline-block;
	color: var(--arc-c);
	margin-top: 23px;
	padding: 8px 40px;
	font-family: var(--arc-disp);
	font-stretch: 125%;
	font-weight: 800;
}

/* ------------------------------------------------------------
 * タブレット・スマホ:縦に積む(部屋は惑星のまわりだけ)
 * モリスの比率:ノド(左)16・天19・小口(右)23・地28
 * ------------------------------------------------------------ */
@media (max-width: 999px) {
	.arc {
		--fd: 14px;
		padding: 19px 23px 99px 16px;
	}

	.arc-hero {
		display: flex;
		flex-direction: column;
		height: auto;
		padding: 19px 16px 0;
		overflow: visible;
	}

	.arc-room--desk {
		display: none;
	}

	.arc-room--mob {
		display: block;
	}

	.arc-strip {
		display: flex;
		gap: 8px;
	}

	.arc-strip .arc-face {
		display: none;
	}

	.arc-hash,
	.arc-url {
		position: static;
		flex: 1;
		min-width: 0;
		width: auto;
		height: 40px;
		padding: 0 10px;
		font-size: 12px;
	}

	.arc-hash {
		flex: 0 0 auto;
	}

	.arc-title {
		position: relative;
		top: auto;
		left: auto;
		width: auto;
		height: auto;
		margin: 19px 0 calc(var(--fd) + 12px);
		padding: 23px 12px 23px;
	}

	.arc-title .l1 { font-size: clamp(34px, 11vw, 52px); }
	.arc-title .l2 { font-size: clamp(19px, 6vw, 30px); }

	.arc-count {
		--fd: 12px;
		position: relative;
		top: auto;
		left: auto;
		width: auto;
		height: 60px;
		margin: 0 8%;
	}

	.arc-orb {
		--bx0: 24%;
		--bx1: 24%;
		--by0: 22%;
		--by1: 22%;
		position: relative;
		top: auto;
		left: auto;
		width: auto;
		height: 340px;
		margin: 16px -16px 0;
	}

	.arc-planet {
		width: 230px;
		height: 230px;
	}

	.arc-spark--a { top: 25%; left: 27%; }
	.arc-spark--b { top: 29%; right: 27%; }
	.arc-spark--c { right: 28%; bottom: 25%; }
	.arc-dot--a { top: 70%; left: 30%; }
	.arc-dot--b { top: 26%; left: 64%; }
	.arc-dot--c { top: 60%; left: 72%; }

	.arc-spark--d,
	.arc-spark--e {
		display: none;
	}

	.arc-today {
		position: static;
		width: auto;
		height: 56px;
		margin: 0 12%;
		font-size: 17px;
	}

	.arc-rows {
		position: static;
		width: calc(100% - var(--fd));
		margin-top: 40px;
	}

	.arc-row {
		height: 54px;
	}

	.arc-row .name,
	.arc-row .n {
		font-size: 17px;
	}

	.arc-panels {
		position: static;
		width: auto;
		margin: 40px 0 0 var(--fd);
		gap: 16px;
	}

	.arc-floor {
		position: static;
		grid-template-columns: 1fr 1fr;
		height: auto;
		margin: 48px -16px 0;
	}

	.arc-floor__mid {
		grid-column: 1 / -1;
		order: -1;
		height: 57px;
		margin: 0 -1.5px;
		border-right: 0;
		border-left: 0;
		font-size: 24px;
	}

	.arc-floor__out {
		height: 57px;
		font-size: clamp(20px, 6.4vw, 30px);
	}

	.arc-floor__out + .arc-floor__out {
		border-left: 1.5px solid var(--arc-c);
	}

	.arc-log {
		margin-top: 69px;
	}

	.arc-log__h {
		gap: 10px;
		margin-bottom: 33px !important;
	}

	.arc-log__h .tag { font-size: 15px; padding: 10px 14px; }
	.arc-log__h .arr { margin-left: 8px; font-size: 18px; }
	.arc-log__h .jp  { font-size: 17px; }

	.arc-posts {
		grid-template-columns: minmax(0, 1fr);
		row-gap: 28px;
		padding-bottom: 0;
	}

	.arc-posts::before {
		display: none;
	}

	.arc-post:nth-child(n) {
		--ty: 0px;
	}

	.arc-post:nth-child(odd)  { margin-right: calc(var(--fd) + 4px); }
	.arc-post:nth-child(even) { margin-left: calc(var(--fd) + 4px); }

	.arc-post__main {
		gap: 14px;
		padding: 14px 14px 16px;
	}

	.arc-post__thumb {
		flex-basis: 72px;
		height: 72px;
	}

	.arc-post__thumb svg {
		padding: 12px;
	}

	.arc-post__ttl {
		font-size: 16px !important;
	}

	.arc-post__ex {
		font-size: 12px !important;
	}

	.arc-pager {
		margin-top: 57px;
	}

	.arc-pager > * {
		height: 52px;
	}

	.arc-pager__cell { font-size: 12px; }
	.arc-pager__mid  { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
	.arc-room__warp path,
	.arc-count .live i,
	.arc-planet__stripes,
	.arc-spark {
		animation: none;
	}

	.arc-room__warp {
		display: none;
	}

	.arc-post {
		transition: none;
	}
}