@charset "UTF-8";
/* ============================================================
   DNSBL Checker  -  日本語向けデザイン
   Tabler のあとに読み込み、独自プレフィックス dbl- で上書き衝突を回避
   ============================================================ */

:root {
	--dbl-bg:          #f5f7fb;
	--dbl-surface:     #ffffff;
	--dbl-surface-alt: #f8fafc;
	--dbl-border:      #e3e8f0;
	--dbl-border-str:  #cbd5e1;

	--dbl-text:        #16202f;
	--dbl-text-sub:    #56637a;
	--dbl-text-mute:   #8592a8;

	--dbl-primary:     #1f5fe0;
	--dbl-primary-dk:  #1747ad;
	--dbl-primary-lt:  #eaf1ff;

	--dbl-danger:      #d93a3a;
	--dbl-danger-lt:   #fdecec;
	--dbl-success:     #12855b;
	--dbl-success-lt:  #e6f6ef;
	--dbl-warn:        #b8710a;
	--dbl-warn-lt:     #fdf3e2;
	--dbl-info:        #4c60a8;
	--dbl-info-lt:     #eef1fb;

	--dbl-radius:      14px;
	--dbl-radius-sm:   9px;
	--dbl-shadow:      0 1px 2px rgba(16, 30, 54, .04), 0 8px 24px rgba(16, 30, 54, .06);
	--dbl-shadow-lg:   0 2px 4px rgba(16, 30, 54, .05), 0 18px 44px rgba(16, 30, 54, .12);

	--dbl-font: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans",
	            "BIZ UDPGothic", Meiryo, "Yu Gothic", sans-serif;
	--dbl-mono: "SFMono-Regular", Consolas, "Roboto Mono", "Courier New", monospace;
}

/* ---------- base ---------- */
body.dbl-body {
	margin: 0;
	background: var(--dbl-bg);
	color: var(--dbl-text);
	font-family: var(--dbl-font);
	font-size: 16px;
	line-height: 1.85;
	letter-spacing: .01em;
	-webkit-font-smoothing: antialiased;
	text-size-adjust: 100%;
}
.dbl-body * { box-sizing: border-box; }
.dbl-body a { color: var(--dbl-primary); text-decoration: none; }
.dbl-body a:hover { text-decoration: underline; }
.dbl-body p { margin: 0 0 1em; }
.dbl-body h1, .dbl-body h2, .dbl-body h3, .dbl-body h4 {
	line-height: 1.5; margin: 0 0 .6em; font-weight: 700; letter-spacing: .02em;
}
.dbl-wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.dbl-wrap--narrow { max-width: 880px; }
/* 判定結果の表は列が多いので、解説セクションより広いコンテナを使う */
.dbl-wrap--wide { max-width: 1440px; }


/* ---------- minimal reset (Tabler を外したため自前で持つ) ---------- */
.dbl-body img, .dbl-body svg { max-width: 100%; height: auto; vertical-align: middle; }
.dbl-body button, .dbl-body input, .dbl-body textarea, .dbl-body select { font: inherit; color: inherit; }
.dbl-body button { background: none; border: none; }
.dbl-body ul, .dbl-body ol { margin: 0 0 1em; padding-left: 1.4em; }
.dbl-body li { margin-bottom: .3em; }
.dbl-body table { border-collapse: collapse; }
.dbl-body code {
	font-family: var(--dbl-mono); font-size: .92em;
	background: #eef2f8; color: var(--dbl-primary-dk);
	padding: 1px 6px; border-radius: 5px; word-break: break-all;
}
.dbl-body strong { font-weight: 700; color: var(--dbl-text); }
.dbl-body hr { border: none; border-top: 1px solid var(--dbl-border); margin: 24px 0; }
.dbl-body :focus-visible { outline: 3px solid rgba(31, 95, 224, .35); outline-offset: 2px; }
.dbl-body [id] { scroll-margin-top: 76px; }

/* ---------- header ---------- */
.dbl-header {
	position: sticky; top: 0; z-index: 50;
	background: rgba(255, 255, 255, .92);
	backdrop-filter: saturate(180%) blur(10px);
	border-bottom: 1px solid var(--dbl-border);
}
.dbl-header__inner {
	display: flex; align-items: center; gap: 24px;
	height: 62px;
}
.dbl-logo {
	display: flex; align-items: center; gap: 9px;
	font-size: 18px; font-weight: 700; color: var(--dbl-text);
	margin: 0; white-space: nowrap;
}
.dbl-logo a { color: inherit; }
.dbl-logo a:hover { text-decoration: none; }
.dbl-logo__mark {
	display: inline-flex; align-items: center; justify-content: center;
	width: 30px; height: 30px; border-radius: 8px;
	background: linear-gradient(135deg, var(--dbl-primary), #3f86f5);
	color: #fff; font-size: 15px; font-weight: 700;
}
.dbl-logo__sub {
	font-size: 11px; font-weight: 500; color: var(--dbl-text-mute);
	letter-spacing: .08em; padding-left: 2px;
}
.dbl-gnav { margin-left: auto; display: flex; gap: 22px; font-size: 14px; }
.dbl-gnav a { color: var(--dbl-text-sub); font-weight: 500; }
.dbl-gnav a:hover { color: var(--dbl-primary); text-decoration: none; }
@media (max-width: 860px) {
	.dbl-gnav { display: none; }
	.dbl-logo__sub { display: none; }
}

/* ---------- hero ---------- */
.dbl-hero {
	position: relative;
	padding: 54px 0 44px;
	background:
		radial-gradient(900px 380px at 12% -10%, #e2ecff 0%, rgba(226, 236, 255, 0) 62%),
		radial-gradient(760px 340px at 96% 0%, #e6f7f2 0%, rgba(230, 247, 242, 0) 60%),
		linear-gradient(180deg, #fbfcff 0%, var(--dbl-bg) 100%);
	border-bottom: 1px solid var(--dbl-border);
}
.dbl-hero__badge {
	display: inline-flex; align-items: center; gap: 7px;
	padding: 5px 13px; border-radius: 999px;
	background: var(--dbl-surface); border: 1px solid var(--dbl-border);
	font-size: 12.5px; font-weight: 600; color: var(--dbl-text-sub);
	box-shadow: var(--dbl-shadow);
}
.dbl-hero__badge b { color: var(--dbl-primary); font-weight: 700; }
.dbl-hero h1 {
	margin: 16px 0 12px;
	font-size: clamp(25px, 4.4vw, 39px);
	line-height: 1.45; letter-spacing: .01em;
}
.dbl-hero h1 .dbl-mark {
	background: linear-gradient(transparent 62%, #cfe1ff 62%);
	padding: 0 2px;
}
.dbl-hero__lead {
	font-size: 16px; color: var(--dbl-text-sub);
	max-width: 44em; margin-bottom: 26px;
}

/* ---------- search form ---------- */
.dbl-searchcard {
	background: var(--dbl-surface);
	border: 1px solid var(--dbl-border);
	border-radius: var(--dbl-radius);
	box-shadow: var(--dbl-shadow-lg);
	padding: 22px;
}
.dbl-searchcard__label {
	display: block; font-size: 13.5px; font-weight: 700;
	color: var(--dbl-text); margin-bottom: 8px;
}
.dbl-searchcard__label span { font-weight: 500; color: var(--dbl-text-mute); }
.dbl-searchrow { display: flex; gap: 10px; }
.dbl-input {
	flex: 1 1 auto; min-width: 0;
	height: 54px; padding: 0 16px;
	font-size: 17px; font-family: var(--dbl-mono);
	color: var(--dbl-text);
	background: var(--dbl-surface);
	border: 1.5px solid var(--dbl-border-str);
	border-radius: var(--dbl-radius-sm);
	transition: border-color .15s, box-shadow .15s;
}
.dbl-input::placeholder { color: #a9b4c6; font-family: var(--dbl-font); font-size: 15px; }
.dbl-input:focus {
	outline: none;
	border-color: var(--dbl-primary);
	box-shadow: 0 0 0 4px rgba(31, 95, 224, .13);
}
.dbl-input.is-invalid { border-color: var(--dbl-danger); box-shadow: 0 0 0 4px rgba(217, 58, 58, .12); }
.dbl-btn {
	flex: 0 0 auto;
	display: inline-flex; align-items: center; justify-content: center; gap: 8px;
	height: 54px; padding: 0 28px;
	font-size: 16px; font-weight: 700; font-family: var(--dbl-font);
	color: #fff; white-space: nowrap;
	background: linear-gradient(180deg, #2b6cea, var(--dbl-primary));
	border: none; border-radius: var(--dbl-radius-sm); cursor: pointer;
	box-shadow: 0 2px 10px rgba(31, 95, 224, .3);
	transition: transform .12s, box-shadow .15s, opacity .15s;
}
.dbl-btn:hover { box-shadow: 0 4px 16px rgba(31, 95, 224, .4); }
.dbl-btn:active { transform: translateY(1px); }
.dbl-btn[disabled] { opacity: .55; cursor: not-allowed; box-shadow: none; }
@media (max-width: 620px) {
	.dbl-searchrow { flex-direction: column; }
	.dbl-btn { width: 100%; }
}
.dbl-searchnote {
	margin: 12px 0 0; font-size: 12.5px; color: var(--dbl-text-mute); line-height: 1.7;
}
.dbl-error {
	display: none; margin: 12px 0 0; padding: 10px 13px;
	background: var(--dbl-danger-lt); border: 1px solid #f2c4c4;
	border-radius: var(--dbl-radius-sm);
	font-size: 13.5px; color: #9d2626; font-weight: 600;
}
.dbl-error.is-shown { display: block; }
.dbl-samples {
	display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
	margin-top: 14px; font-size: 12.5px; color: var(--dbl-text-mute);
}
.dbl-chip {
	padding: 4px 11px; border-radius: 999px;
	background: var(--dbl-surface-alt); border: 1px solid var(--dbl-border);
	font-family: var(--dbl-mono); font-size: 12px; color: var(--dbl-text-sub);
	cursor: pointer; transition: .15s;
}
.dbl-chip:hover { background: var(--dbl-primary-lt); border-color: #bcd2fb; color: var(--dbl-primary-dk); }

/* ---------- trust strip ---------- */
.dbl-trust {
	display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
	margin-top: 22px;
}
.dbl-trust__item {
	background: rgba(255, 255, 255, .72);
	border: 1px solid var(--dbl-border);
	border-radius: var(--dbl-radius-sm);
	padding: 12px 14px; text-align: center;
}
.dbl-trust__num { font-size: 20px; font-weight: 700; color: var(--dbl-primary-dk); line-height: 1.3; }
.dbl-trust__cap { font-size: 12px; color: var(--dbl-text-sub); line-height: 1.5; }
@media (max-width: 700px) {
	.dbl-trust { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- progress ---------- */
.dbl-progress { display: none; margin-top: 18px; }
.dbl-progress.is-shown { display: block; }
.dbl-progress__bar {
	height: 9px; border-radius: 999px; overflow: hidden;
	background: #dde5f2;
}
.dbl-progress__fill {
	height: 100%; width: 0;
	background: linear-gradient(90deg, #2b6cea, #37c1a0);
	border-radius: 999px;
	transition: width .2s ease;
}
.dbl-progress__text {
	margin-top: 7px; font-size: 12.5px; color: var(--dbl-text-sub);
	font-variant-numeric: tabular-nums;
}

/* ---------- sections ---------- */
.dbl-section { padding: 56px 0; }
.dbl-section--alt { background: var(--dbl-surface); border-block: 1px solid var(--dbl-border); }
.dbl-section__head { margin-bottom: 28px; }
.dbl-section__eyebrow {
	display: inline-block; font-size: 12px; font-weight: 700;
	color: var(--dbl-primary); letter-spacing: .14em; margin-bottom: 6px;
}
.dbl-section h2 { font-size: clamp(21px, 3vw, 27px); margin: 0 0 8px; }
.dbl-section__desc { color: var(--dbl-text-sub); font-size: 15px; margin: 0; }

/* ---------- result ---------- */
#result { scroll-margin-top: 78px; }
.dbl-result { display: none; }
.dbl-result.is-shown { display: block; }

.dbl-verdict {
	display: flex; align-items: center; gap: 18px;
	padding: 20px 22px; border-radius: var(--dbl-radius);
	border: 1px solid var(--dbl-border); background: var(--dbl-surface);
	box-shadow: var(--dbl-shadow); margin-bottom: 16px;
}
.dbl-verdict__icon {
	flex: 0 0 auto;
	width: 52px; height: 52px; border-radius: 14px;
	display: flex; align-items: center; justify-content: center;
	font-size: 26px; font-weight: 700;
}
.dbl-verdict__title { font-size: 20px; font-weight: 700; margin: 0 0 2px; }
.dbl-verdict__text { font-size: 14px; color: var(--dbl-text-sub); margin: 0; }
.dbl-verdict--ok  { border-color: #b9e5d2; background: linear-gradient(180deg, #f2fbf7, #fff); }
.dbl-verdict--ok  .dbl-verdict__icon { background: var(--dbl-success-lt); color: var(--dbl-success); }
.dbl-verdict--ok  .dbl-verdict__title { color: var(--dbl-success); }
.dbl-verdict--ng  { border-color: #f3c6c6; background: linear-gradient(180deg, #fef5f5, #fff); }
.dbl-verdict--ng  .dbl-verdict__icon { background: var(--dbl-danger-lt); color: var(--dbl-danger); }
.dbl-verdict--ng  .dbl-verdict__title { color: var(--dbl-danger); }

.dbl-verdict--warn { border-color: #f0dcb6; background: linear-gradient(180deg, #fdf8ef, #fff); }
.dbl-verdict--warn .dbl-verdict__icon { background: var(--dbl-warn-lt); color: var(--dbl-warn); }
.dbl-verdict--warn .dbl-verdict__title { color: var(--dbl-warn); }

.dbl-stats {
	display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px;
}
.dbl-stat {
	background: var(--dbl-surface); border: 1px solid var(--dbl-border);
	border-radius: var(--dbl-radius-sm); padding: 14px 16px;
}
.dbl-stat__label { font-size: 12px; color: var(--dbl-text-mute); margin-bottom: 2px; }
.dbl-stat__value {
	font-size: 22px; font-weight: 700; line-height: 1.35;
	font-variant-numeric: tabular-nums; word-break: break-all;
}
.dbl-stat__value small { font-size: 12px; font-weight: 500; color: var(--dbl-text-mute); }
.dbl-stat--target .dbl-stat__value { font-size: 17px; font-family: var(--dbl-mono); }
.dbl-stat--ng .dbl-stat__value { color: var(--dbl-danger); }
.dbl-stat--ok .dbl-stat__value { color: var(--dbl-success); }
@media (max-width: 800px) { .dbl-stats { grid-template-columns: repeat(2, 1fr); } }

.dbl-tablecard {
	background: var(--dbl-surface); border: 1px solid var(--dbl-border);
	border-radius: var(--dbl-radius); box-shadow: var(--dbl-shadow); overflow: hidden;
}
.dbl-tablecard__head {
	display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
	padding: 14px 16px; border-bottom: 1px solid var(--dbl-border);
	background: var(--dbl-surface-alt);
}
.dbl-filters { display: flex; flex-wrap: wrap; gap: 6px; }
.dbl-filter {
	padding: 6px 13px; border-radius: 999px;
	border: 1px solid var(--dbl-border-str); background: var(--dbl-surface);
	font-size: 13px; font-weight: 600; color: var(--dbl-text-sub);
	cursor: pointer; transition: .15s;
}
.dbl-filter:hover { border-color: var(--dbl-primary); color: var(--dbl-primary); }
.dbl-filter.is-active {
	background: var(--dbl-primary); border-color: var(--dbl-primary); color: #fff;
}
.dbl-filter__count { opacity: .75; font-weight: 500; }
.dbl-tools { margin-left: auto; display: flex; gap: 8px; }
.dbl-btn-ghost {
	padding: 6px 13px; border-radius: var(--dbl-radius-sm);
	border: 1px solid var(--dbl-border-str); background: var(--dbl-surface);
	font-size: 13px; font-weight: 600; color: var(--dbl-text-sub);
	cursor: pointer; font-family: var(--dbl-font); transition: .15s;
}
.dbl-btn-ghost:hover { border-color: var(--dbl-primary); color: var(--dbl-primary); }

.dbl-tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.dbl-table { width: 100%; border-collapse: collapse; font-size: 14px; }
table.dbl-table th {
	position: sticky; top: 0; z-index: 1;
	background: var(--dbl-surface-alt);
	text-align: left; font-size: 12px; font-weight: 700;
	color: var(--dbl-text-sub); letter-spacing: .04em;
	padding: 10px 14px; border-bottom: 1px solid var(--dbl-border); white-space: nowrap;
}
table.dbl-table td {
	padding: 11px 14px; border-bottom: 1px solid #eef2f7; vertical-align: middle;
}
table.dbl-table tr:last-child td { border-bottom: none; }
table.dbl-table tbody tr.is-listed { background: #fffafa; }
table.dbl-table tbody tr:hover { background: var(--dbl-primary-lt); }
/* リスト名は最大52文字と長いものがあるため、折り返せるようにして表が横に伸びるのを防ぐ */
.dbl-td-name {
	font-weight: 600; font-size: 13px; line-height: 1.5;
	min-width: 140px; max-width: 340px;
	overflow-wrap: anywhere; word-break: break-word;
}
.dbl-td-zone {
	font-family: var(--dbl-mono); font-size: 12.5px; color: var(--dbl-text-sub);
	line-height: 1.5; max-width: 210px;
	overflow-wrap: anywhere; word-break: break-all;
}
.dbl-td-res  { font-family: var(--dbl-mono); font-size: 12.5px; color: var(--dbl-text-mute); white-space: nowrap; }
.dbl-td-link a { font-size: 12.5px; white-space: nowrap; }
table.dbl-table td, table.dbl-table th { vertical-align: top; }
table.dbl-table td { vertical-align: middle; }

/* 画面が狭いときは余白と文字を詰め、横スクロールを最小限にする */
@media (max-width: 820px) {
	table.dbl-table { font-size: 13px; }
	table.dbl-table th, table.dbl-table td { padding: 9px 10px; }
	.dbl-td-name { min-width: 120px; max-width: 220px; font-size: 12.5px; }
	.dbl-td-zone { max-width: 150px; font-size: 11.5px; }
}
/* さらに狭い端末では補足列を隠して主要情報（名前・判定）を優先する */
@media (max-width: 600px) {
	table.dbl-table th:nth-child(3), table.dbl-table td:nth-child(3),
	table.dbl-table th:nth-child(6), table.dbl-table td:nth-child(6) { display: none; }
}
.dbl-tablewrap { position: relative; }
.dbl-scrollhint {
	display: none; padding: 8px 16px; font-size: 12px; color: var(--dbl-text-mute);
	background: var(--dbl-surface-alt); border-top: 1px solid var(--dbl-border);
}
@media (max-width: 820px) { .dbl-scrollhint { display: block; } }

.dbl-badge {
	display: inline-block; padding: 3px 10px; border-radius: 999px;
	font-size: 12px; font-weight: 700; white-space: nowrap;
}
.dbl-badge--listed   { background: var(--dbl-danger-lt);  color: var(--dbl-danger); }
.dbl-badge--clean    { background: var(--dbl-success-lt); color: var(--dbl-success); }
.dbl-badge--good     { background: var(--dbl-info-lt);    color: var(--dbl-info); }
.dbl-badge--info     { background: #f1f4f9;               color: var(--dbl-text-sub); }
.dbl-badge--error    { background: var(--dbl-warn-lt);    color: var(--dbl-warn); }
.dbl-badge--type     { background: #f1f4f9; color: var(--dbl-text-sub); font-weight: 600; font-size: 11.5px; }
.dbl-badge--type.t-b { background: #fdeeee; color: #b53535; }
.dbl-badge--type.t-w { background: #e9f4ee; color: #16794f; }
.dbl-badge--type.t-c { background: #fdf3e2; color: var(--dbl-warn); }
.dbl-badge--type.t-i { background: #eef1fb; color: var(--dbl-info); }

.dbl-empty { padding: 34px 16px; text-align: center; color: var(--dbl-text-mute); font-size: 14px; }
.dbl-result__note {
	margin-top: 12px; font-size: 12.5px; color: var(--dbl-text-mute); line-height: 1.8;
}

/* ---------- share url ---------- */
.dbl-share {
	margin-top: 16px; padding: 16px 18px;
	background: var(--dbl-surface); border: 1px solid var(--dbl-border);
	border-radius: var(--dbl-radius); box-shadow: var(--dbl-shadow);
}
.dbl-share__label {
	display: block; font-size: 13px; font-weight: 700;
	color: var(--dbl-text); margin-bottom: 8px;
}
.dbl-share__row { display: flex; gap: 8px; }
.dbl-share__input {
	flex: 1 1 auto; min-width: 0;
	height: 40px; padding: 0 12px;
	font-family: var(--dbl-mono); font-size: 13px;
	color: var(--dbl-text-sub);
	background: var(--dbl-surface-alt);
	border: 1px solid var(--dbl-border-str);
	border-radius: var(--dbl-radius-sm);
}
.dbl-share__input:focus { outline: none; border-color: var(--dbl-primary); background: var(--dbl-surface); }
.dbl-share__row .dbl-btn-ghost { flex: 0 0 auto; height: 40px; }
.dbl-share__note { margin: 8px 0 0; font-size: 12px; color: var(--dbl-text-mute); }
@media (max-width: 560px) {
	.dbl-share__row { flex-direction: column; }
	.dbl-share__row .dbl-btn-ghost { width: 100%; }
}

/* ---------- cache notice / nocache checkbox ---------- */
.dbl-cachenote {
	display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
	margin-bottom: 14px; padding: 11px 16px;
	background: var(--dbl-info-lt); border: 1px solid #d5dcf3;
	border-radius: var(--dbl-radius-sm);
	font-size: 13px; color: var(--dbl-info);
}
.dbl-cachenote .dbl-btn-ghost { margin-left: auto; text-decoration: none; }
.dbl-checkline {
	display: flex; align-items: flex-start; gap: 8px;
	margin-top: 12px; font-size: 13px; color: var(--dbl-text-sub); cursor: pointer;
}
.dbl-checkline input { margin-top: 3px; flex: 0 0 auto; width: 16px; height: 16px; cursor: pointer; }
.dbl-checkline small { color: var(--dbl-text-mute); }

/* ---------- generic cards ---------- */
.dbl-grid { display: grid; gap: 16px; }
.dbl-grid--2 { grid-template-columns: repeat(2, 1fr); }
.dbl-grid--3 { grid-template-columns: repeat(3, 1fr); }
.dbl-grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .dbl-grid--3, .dbl-grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .dbl-grid--2, .dbl-grid--3, .dbl-grid--4 { grid-template-columns: 1fr; } }

.dbl-card {
	background: var(--dbl-surface); border: 1px solid var(--dbl-border);
	border-radius: var(--dbl-radius); padding: 22px;
}
.dbl-section--alt .dbl-card { background: var(--dbl-surface-alt); }
.dbl-card h3 { font-size: 16.5px; margin: 0 0 8px; }
.dbl-card p  { font-size: 14px; color: var(--dbl-text-sub); margin: 0; }
.dbl-card__icon {
	width: 40px; height: 40px; border-radius: 11px; margin-bottom: 12px;
	display: flex; align-items: center; justify-content: center;
	background: var(--dbl-primary-lt); color: var(--dbl-primary-dk);
	font-size: 19px; font-weight: 700;
}

/* recently checked (internal links) */
.dbl-recentlist { display: flex; flex-wrap: wrap; gap: 10px; }
.dbl-recentlist__item {
	display: inline-flex; align-items: center; gap: 10px;
	padding: 9px 14px; background: var(--dbl-surface); border: 1px solid var(--dbl-border);
	border-radius: 999px; text-decoration: none; transition: .15s;
}
.dbl-recentlist__item:hover { border-color: #bcd2fb; background: var(--dbl-primary-lt); }
.dbl-recentlist__name {
	font-family: var(--dbl-mono); font-size: 13px; color: var(--dbl-text);
}

/* steps */
.dbl-steps { counter-reset: dblstep; display: grid; gap: 14px; }
.dbl-step {
	position: relative; padding: 18px 20px 18px 64px;
	background: var(--dbl-surface); border: 1px solid var(--dbl-border);
	border-radius: var(--dbl-radius);
}
.dbl-section--alt .dbl-step { background: var(--dbl-surface-alt); }
.dbl-step::before {
	counter-increment: dblstep; content: counter(dblstep);
	position: absolute; left: 20px; top: 18px;
	width: 30px; height: 30px; border-radius: 50%;
	display: flex; align-items: center; justify-content: center;
	background: var(--dbl-primary); color: #fff;
	font-size: 14px; font-weight: 700;
}
.dbl-step h3 { font-size: 16px; margin: 0 0 5px; }
.dbl-step p  { font-size: 14px; color: var(--dbl-text-sub); margin: 0; }
.dbl-step p + p { margin-top: 6px; }

/* reading table */
.dbl-plaintable { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--dbl-surface); }
.dbl-plaintable th, .dbl-plaintable td {
	padding: 12px 14px; border: 1px solid var(--dbl-border); text-align: left; vertical-align: top;
}
.dbl-plaintable thead th { background: var(--dbl-surface-alt); font-size: 12.5px; color: var(--dbl-text-sub); white-space: nowrap; }
.dbl-plaintable td code { font-family: var(--dbl-mono); font-size: 13px; color: var(--dbl-primary-dk); }
.dbl-scroll { overflow-x: auto; border-radius: var(--dbl-radius); border: 1px solid var(--dbl-border); }
.dbl-scroll .dbl-plaintable th, .dbl-scroll .dbl-plaintable td { border-left: none; border-right: none; }
.dbl-scroll .dbl-plaintable tr td:first-child, .dbl-scroll .dbl-plaintable tr th:first-child { padding-left: 16px; }

/* FAQ */
.dbl-faq { display: grid; gap: 10px; }
.dbl-faq details {
	background: var(--dbl-surface); border: 1px solid var(--dbl-border);
	border-radius: var(--dbl-radius-sm); overflow: hidden;
}
.dbl-section--alt .dbl-faq details { background: var(--dbl-surface-alt); }
.dbl-faq summary {
	list-style: none; cursor: pointer; padding: 16px 46px 16px 18px;
	font-size: 15px; font-weight: 700; position: relative;
}
.dbl-faq summary::-webkit-details-marker { display: none; }
.dbl-faq summary::after {
	content: "＋"; position: absolute; right: 18px; top: 50%;
	transform: translateY(-50%); color: var(--dbl-primary); font-weight: 700;
}
.dbl-faq details[open] summary::after { content: "－"; }
.dbl-faq summary:hover { color: var(--dbl-primary); }
.dbl-faq__body { padding: 0 18px 16px; font-size: 14px; color: var(--dbl-text-sub); }
.dbl-faq__body p:last-child { margin-bottom: 0; }

/* callout */
.dbl-callout {
	display: flex; gap: 14px; padding: 16px 18px;
	background: var(--dbl-warn-lt); border: 1px solid #f0dcb6;
	border-radius: var(--dbl-radius); font-size: 14px; color: #7a4d07;
}
.dbl-callout__icon { flex: 0 0 auto; font-size: 18px; line-height: 1.5; }
.dbl-callout p { margin: 0; color: inherit; }
.dbl-callout p + p { margin-top: 6px; }

/* cta */
.dbl-cta {
	text-align: center; padding: 40px 22px;
	background: linear-gradient(135deg, #1f5fe0, #2f8fd6);
	border-radius: var(--dbl-radius); color: #fff;
}
.dbl-cta h2 { color: #fff; margin-bottom: 8px; }
.dbl-cta p { color: rgba(255, 255, 255, .88); margin-bottom: 20px; }
.dbl-cta .dbl-btn {
	background: #fff; color: var(--dbl-primary-dk);
	box-shadow: 0 6px 20px rgba(0, 0, 0, .18);
}

/* ---------- footer ---------- */
.dbl-footer {
	background: #101a2b; color: #9fb0c9; padding: 40px 0 26px; font-size: 13px;
}
.dbl-footer h3 { color: #e6edf7; font-size: 13px; margin: 0 0 12px; letter-spacing: .05em; }
.dbl-footer__links {
	display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 24px;
}
.dbl-footer__links a { color: #9fb0c9; }
.dbl-footer__links a:hover { color: #fff; }
.dbl-footer__bar {
	border-top: 1px solid #22314a; padding-top: 16px;
	display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center;
	color: #7386a3; font-size: 12px;
}
.dbl-footer__bar small { font-size: 12px; }

/* ---------- utils ---------- */
.dbl-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.dbl-ad { margin: 28px auto; text-align: center; }