.build-chat-list {
	display: flex;
	flex-direction: column;
	gap: 70px;
	margin-top: 45px;
}

.build-chat-entry {
	position: relative;
	padding: 55px 35px 35px;
	background:
		linear-gradient(rgba(23, 23, 23, 0.04) 1px, transparent 1px),
		linear-gradient(90deg, rgba(23, 23, 23, 0.04) 1px, transparent 1px),
		#dfe9de;
	background-size: 20px 20px;
	border: 4px solid var(--build-black);
	box-shadow: 9px 9px 0 var(--build-black);
}

.build-chat-entry:nth-child(even) {
	transform: rotate(0.7deg);
}

.build-chat-entry:nth-child(odd) {
	transform: rotate(-0.7deg);
}

.build-version {
	position: absolute;
	top: -22px;
	left: 22px;
	padding: 8px 18px;
	background: var(--build-yellow);
	border: 4px solid var(--build-black);
	box-shadow: 4px 4px 0 var(--build-black);
	font-family: monospace;
	font-size: 16px;
	font-weight: 900;
	transform: rotate(-2deg);
}

.chat-row {
	display: flex;
	flex-direction: column;
	margin: 23px 0;
}

.chat-web {
	align-items: flex-start;
	padding-right: 20%;
}

.chat-tencho {
	align-items: flex-end;
	padding-left: 20%;
}

.chat-name {
	margin-bottom: 8px;
	padding: 4px 9px;
	background: var(--build-white);
	border: 2px solid var(--build-black);
	font-size: 13px;
	font-weight: 900;
}

.chat-bubble {
	position: relative;
	max-width: 680px;
	padding: 18px 22px;
	border: 3px solid var(--build-black);
	box-shadow: 5px 5px 0 rgba(23, 23, 23, 0.8);
	font-size: 17px;
	font-weight: 700;
	line-height: 1.8;
}

.chat-web .chat-bubble {
	background: white;
	border-radius: 4px 18px 18px 18px;
}

.chat-tencho .chat-bubble {
	background: var(--build-yellow);
	border-radius: 18px 4px 18px 18px;
	transform: rotate(-1deg);
}

.build-log-link {
	display: inline-block;
	margin-top: 15px;
	padding: 8px 13px;
	background: var(--build-black);
	color: white;
	border: 3px solid var(--build-black);
	font-size: 13px;
	font-weight: 900;
	text-decoration: none;
	transition:
		background 0.2s ease,
		color 0.2s ease;
}

.build-log-link:hover {
	background: var(--build-yellow);
	color: var(--build-black);
}

.build-log-empty {
	padding: 30px;
	background: var(--build-white);
	border: 4px dashed var(--build-black);
	font-weight: 900;
	text-align: center;
}

/* Front-page construction records: readable dialogue without losing the rough logbook feel. */
.build-log-grid {
	display: grid;
	gap: clamp(30px, 5vw, 54px);
	margin-top: 38px;
}

.build-log-card {
	position: relative;
	padding: 10px 0 6px 18px;
	border-left: 5px solid var(--build-black);
}

.build-log-card time {
	display: inline-block;
	margin-bottom: 14px;
	color: #595959;
	font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
	font-size: 15px;
	font-weight: 700;
	letter-spacing: .09em;
}

.build-log-card h3 {
	margin: 0 0 18px;
	font-size: clamp(22px, 2.4vw, 30px);
	line-height: 1.25;
}

.build-log-card h3 a {
	color: inherit;
	text-decoration-thickness: 2px;
	text-underline-offset: 5px;
}

.build-log-card__conversation {
	min-width: 0;
}

.build-log-card__excerpt {
	display: grid;
	gap: 14px;
	max-width: 960px;
}

.build-log-dialogue {
	display: grid;
	grid-template-columns: max-content minmax(0, 1fr);
	align-items: baseline;
	column-gap: 12px;
	padding: 8px 11px;
	border-left: 3px solid #c8c8c8;
	line-height: 1.75;
}

.build-log-dialogue strong {
	color: var(--build-black);
	font-size: 16px;
	font-weight: 900;
	white-space: nowrap;
}

.build-log-dialogue > span {
	font-size: 16px;
}

.build-log-dialogue.is-web { background: rgba(255, 255, 255, .56); }
.build-log-dialogue.is-manager {
	background: rgba(255, 207, 39, .17);
	border-left-color: var(--build-yellow);
}

.build-log-card__conversation > .build-chat-log,
.build-log-card__conversation .build-chat-log {
	width: min(100%, 900px);
	margin: 4px 0 10px;
}

.build-log-card__conversation .build-chat-bubble p {
	font-size: clamp(15px, 1.8vw, 17px);
}

@media (max-width: 600px) {
	.build-log-card { padding-left: 12px; }
	.build-log-dialogue {
		grid-template-columns: 1fr;
		gap: 3px;
		padding: 8px 9px;
	}
	.build-log-dialogue strong,
	.build-log-dialogue > span { font-size: 15px; }
	.build-log-card__conversation .build-chat-log {
		margin-top: 2px;
	}
}

/* v0.10: compact chat only inside the BUILD LOG index. */
.build-log-card__conversation .build-chat-log {
	width: 100%;
	max-width: none;
	margin: 0 0 8px;
	padding: 15px 17px;
	background-color: #f1eee6;
	border-width: 2px;
	box-shadow: 4px 4px 0 rgba(23,23,23,.72);
}

.build-log-area {
	align-items: flex-start !important;
	gap: clamp(24px, 4vw, 48px) !important;
}

.build-log-area__logs,
.build-log-area__mashiron {
	min-width: 0;
}

.build-log-area__mashiron {
	position: sticky;
	top: 24px;
	padding-top: 38px;
}

.build-log-mashiron {
	position: relative;
	display: grid;
	align-content: start;
	justify-items: center;
	min-width: 0;
	padding: 34px 16px 16px;
	overflow: hidden;
	background:
		linear-gradient(rgba(23,23,23,.04) 1px, transparent 1px),
		linear-gradient(90deg, rgba(23,23,23,.04) 1px, transparent 1px),
		#fffdf5;
	background-size: 22px 22px;
	border: 3px solid var(--build-black);
	box-shadow: 5px 5px 0 var(--build-black);
}

.build-log-mashiron__tag {
	position: absolute;
	top: 8px;
	left: 10px;
	padding: 4px 8px;
	background: #89d8ff;
	border: 2px solid var(--build-black);
	font-size: 12px;
	font-weight: 900;
	transform: rotate(-2deg);
}

.build-log-mashiron img {
	display: block;
	width: 100%;
	height: clamp(155px, 19vw, 245px);
	object-fit: contain;
}

.build-log-mashiron strong {
	margin-top: 4px;
	font-size: 17px;
}

.build-log-mashiron p {
	margin: 6px 0 0;
	font-size: 13px;
	font-weight: 700;
	line-height: 1.6;
	text-align: center;
}

/* Ver.2.1 — one continuous construction diary. */
.build-log-grid{position:relative;display:block;padding:12px 0 28px}.build-log-grid::before{content:"";position:absolute;left:18px;top:0;bottom:0;border-left:3px dashed #17171755}.build-log-card{position:relative;margin:0!important;padding:12px 8px 5px 48px!important;border:0!important;background:transparent!important;box-shadow:none!important;transform:none!important}.build-log-card::before{content:"";position:absolute;left:10px;top:22px;width:17px;height:17px;border:3px solid #171717;border-radius:50%;background:#ffd400;box-shadow:0 0 0 4px #fffdf5}.build-log-card+ .build-log-card{margin-top:2px!important}.build-log-card time{display:inline;margin:0 8px 0 0!important;color:#6a6257;font:800 11px/1.2 ui-monospace,monospace;letter-spacing:.08em}.build-log-card h3{display:inline;margin:0!important;font-size:clamp(13px,1.6vw,17px)!important;line-height:1.35}.build-log-card h3 a{text-decoration:none;border-bottom:1px dashed currentColor}.build-log-card__conversation{margin-top:7px}.build-log-card__conversation .build-chat-log{margin:0!important;padding:5px 8px 2px!important;border:0!important;background:transparent!important;box-shadow:none!important}.build-log-card__conversation .build-chat-log>.build-chat-message{margin-bottom:7px!important}.build-log-card__conversation .build-chat-bubble{padding:9px 13px!important}.build-log-card__conversation .build-chat-bubble p{margin:.15em 0;font-size:clamp(14px,1.7vw,16px)}@media(max-width:600px){.build-log-grid::before{left:8px}.build-log-card{padding-left:27px!important}.build-log-card::before{left:1px;width:12px;height:12px}.build-log-card time,.build-log-card h3{display:block}.build-log-card h3{margin-top:2px!important}}
.build-log-card__conversation .build-chat-log > .build-chat-message {
	gap: 8px;
	margin-bottom: 12px;
}
.build-log-card__conversation .build-chat-person {
	flex-basis: 54px;
	width: 54px;
}
.build-log-card__conversation .build-chat-person .build-chat-icon {
	width: 38px;
	height: 38px;
	border-width: 2px;
	box-shadow: 2px 2px 0 rgba(23,23,23,.7);
	font-size: 21px;
}
.build-log-card__conversation .build-chat-person .build-chat-name {
	font-size: 9px;
}
.build-log-card__conversation .build-chat-bubble {
	max-width: calc(100% - 62px);
	margin-top: 1px !important;
	padding: 9px 12px;
	border-width: 2px;
	box-shadow: 3px 3px 0 rgba(23,23,23,.16);
}
.build-log-card__conversation .build-chat-bubble::before {
	top: 11px;
	left: -9px;
	width: 13px;
	height: 13px;
	border-width: 2px;
}
.build-log-card__conversation .build-chat-message--manager .build-chat-bubble::before {
	right: -9px;
	left: auto;
	border-width: 2px;
}
.build-log-card__conversation .build-chat-bubble p {
	font-size: 14px;
	font-weight: 650;
	line-height: 1.55;
}

@media (max-width: 600px) {
	.build-log-card__conversation .build-chat-log { width: 100%; padding: 12px 9px; }
	.build-log-card__conversation .build-chat-person { flex-basis: 47px; width: 47px; }
	.build-log-card__conversation .build-chat-person .build-chat-icon { width: 34px; height: 34px; font-size: 19px; }
	.build-log-card__conversation .build-chat-bubble { max-width: calc(100% - 52px); padding: 8px 10px; }
	.build-log-card__conversation .build-chat-bubble p { font-size: 13px; }
}

@media (max-width: 900px) {
	.build-log-area {
		flex-direction: column;
	}
	.build-log-area__logs,
	.build-log-area__mashiron {
		flex-basis: 100% !important;
		width: 100%;
	}
	.build-log-area__mashiron {
		position: static;
		padding-top: 0;
	}
	.build-log-card__conversation .build-chat-log { width: 100%; }
	.build-log-mashiron { max-width: 620px; }
}


/* v5.9.8 BUILD LOG: latest 3 + more */
.build-log-more{display:flex;justify-content:center;margin-top:18px}
.build-log-more a{
  display:inline-flex;align-items:center;justify-content:center;padding:9px 20px;border:3px solid #111;
  background:#111;color:#fff;text-decoration:none;font-weight:900;box-shadow:5px 5px 0 rgba(17,17,17,.2)
}


/* v5.9.9 — BUILD LOG full archive.
   Reuses TOP AREA 04 markup/classes 100%; only page breathing room is added. */
.build-log-full-page .log-section{
  margin-top:clamp(34px,6vw,72px);
  margin-bottom:clamp(54px,8vw,100px);
}