/* 激安の匠 — site styles
   Navy + the logo's red/blue split. Blue carries "how it gets solved", red is used sparingly for costs and cautions.
   One action everywhere: send photos on LINE. */
:root {
  --navy: #16203a;
  --navy-2: #22325a;
  --navy-3: #0f1729;
  --blue: #0068b7;
  --blue-600: #00589c;
  --blue-50: #eaf3fb;
  --blue-100: #d6e8f8;
  --red: #e8380d;
  --red-50: #fdeee8;
  --line: #06c755;
  --line-600: #05a648;
  --ink: #111827;
  --ink-2: #374151;
  --muted: #5f6b7d;
  --rule: #e3e8ef;
  --bg: #ffffff;
  --bg-soft: #f4f7fb;
  --ok: #0b7a3a;
  --ok-50: #e6f6ec;
  --radius: 16px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, .05);
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 10px 28px rgba(16, 24, 40, .08);
  --wrap: 1140px;
  --font: "Noto Sans JP", "Noto Sans CJK JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  --gutter: max(20px, env(safe-area-inset-left));
  --gutter-r: max(20px, env(safe-area-inset-right));
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .02em;
  color: var(--ink);
  background: var(--bg);
  overflow-wrap: anywhere;
  word-break: normal;
  line-break: strict;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
img { height: auto; display: block; }
a { color: var(--blue); text-underline-offset: .18em; }
a:hover { color: var(--blue-600); }
h1, h2, h3, h4 { line-height: 1.45; font-feature-settings: "palt" 1; letter-spacing: .03em; margin: 0; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid #5aa9ff; outline-offset: 3px; border-radius: 6px; }
.p { display: inline-block; }           /* phrase that should not break inside */
.nowrap { white-space: nowrap; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: #fff; padding: 8px 14px; border-radius: 8px; }
.skip:focus { top: 12px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter-r); }

/* icons */
.i { width: 1.15em; height: 1.15em; stroke-width: 2; flex: none; vertical-align: -0.18em; }
.ico {
  width: 52px; height: 52px; border-radius: 14px; flex: none;
  display: grid; place-items: center;
  background: var(--blue-50); color: var(--blue);
}
.ico .i { width: 27px; height: 27px; stroke-width: 1.8; }
.ico.heat { background: var(--red-50); color: var(--red); }
.ico.ok { background: var(--ok-50); color: var(--ok); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 12px 26px; border-radius: 999px;
  font-weight: 700; font-size: 16px; text-decoration: none; letter-spacing: .04em;
  border: 2px solid transparent; transition: background-color .15s, transform .15s, box-shadow .15s;
}
.btn .i { width: 22px; height: 22px; }
.btn-line { background: var(--line); color: #fff; box-shadow: 0 8px 20px rgba(6, 199, 85, .28); }
.btn-line:hover { background: var(--line-600); color: #fff; transform: translateY(-1px); }
.btn-line.lg { min-height: 60px; font-size: 17px; padding: 14px 32px; }
.btn-line.sm { min-height: 40px; padding: 6px 16px; font-size: 14px; box-shadow: none; }
.btn-line.sm .i { width: 18px; height: 18px; }
.btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .5); }
.btn-ghost:hover { color: #fff; background: rgba(255, 255, 255, .1); border-color: #fff; }
.btn-outline { color: var(--blue); border-color: var(--blue); background: #fff; }
.btn-outline:hover { background: var(--blue-50); }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; text-decoration: none; }
.link-arrow .i { transition: transform .15s; }
.link-arrow:hover .i { transform: translateX(3px); }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .94);
  -webkit-backdrop-filter: saturate(1.5) blur(10px); backdrop-filter: saturate(1.5) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.site-header .wrap { display: flex; align-items: center; gap: 20px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); margin-right: auto; }
.brand .seal { width: 42px; height: 42px; flex: none; }
.brand small { display: block; font-size: 11px; color: var(--muted); letter-spacing: .08em; line-height: 1.3; font-weight: 500; white-space: nowrap; }
.brand b { display: block; font-size: 19px; font-weight: 900; line-height: 1.25; letter-spacing: .06em; white-space: nowrap; }
.gnav { display: flex; align-items: center; gap: 4px; }
.gnav a { color: var(--ink-2); text-decoration: none; font-size: 14px; font-weight: 700; padding: 8px 10px; border-radius: 8px; }
.gnav a:hover, .gnav a[aria-current="page"] { color: var(--blue); background: var(--blue-50); }
.menu { display: none; position: relative; }
.menu summary {
  list-style: none; cursor: pointer; width: 44px; height: 44px; border-radius: 10px;
  display: grid; place-items: center; color: var(--navy); border: 1px solid var(--rule);
}
.menu summary::-webkit-details-marker { display: none; }
.menu summary .i { width: 24px; height: 24px; }
.menu .close { display: none; }
.menu[open] .open { display: none; }
.menu[open] .close { display: block; }
.menu-panel {
  position: absolute; right: 0; top: 54px; width: min(320px, calc(100vw - 32px));
  background: #fff; border: 1px solid var(--rule); border-radius: 16px; box-shadow: var(--shadow);
  padding: 10px; display: grid;
}
.menu-panel a { padding: 12px 14px; border-radius: 10px; color: var(--ink); text-decoration: none; font-weight: 700; display: flex; align-items: center; justify-content: space-between; }
.menu-panel a:hover { background: var(--bg-soft); }
.menu-panel a .i { color: var(--muted); }
.menu-panel .btn-line { margin-top: 8px; color: #fff; justify-content: center; }
@media (max-width: 1040px) {
  .gnav { display: none; }
  .menu { display: block; }
}
@media (max-width: 760px) {
  .header-cta { display: none; }      /* the sticky bottom bar carries the LINE button on phones */
}
@media (max-width: 360px) {
  .brand small { display: none; }
}

/* hero */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(900px 520px at 85% -10%, rgba(0, 104, 183, .45), transparent 60%),
    radial-gradient(700px 420px at -10% 110%, rgba(0, 104, 183, .22), transparent 60%),
    linear-gradient(180deg, #16203a 0%, #121a31 100%);
  padding: clamp(40px, 6vw, 72px) 0 clamp(56px, 7vw, 88px);
}
.hero::after { /* the logo's red/blue split, as the hero's bottom edge */
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 8px;
  background: linear-gradient(102deg, var(--red) 0 50%, var(--blue) 50% 100%);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: clamp(28px, 4vw, 56px); align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; letter-spacing: .06em;
  color: #cfe2ff; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16);
  padding: 6px 14px; border-radius: 999px;
}
.eyebrow .i { color: #7fc0ff; }
.hero h1 { font-size: clamp(30px, 4.5vw, 52px); font-weight: 900; margin: 18px 0 18px; letter-spacing: .04em; }
.hero h1 em { font-style: normal; color: #8fd0ff; }
.hero .lead { color: #d5deef; font-size: clamp(15px, 1.6vw, 17px); max-width: 36em; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 0; padding: 0; list-style: none; }
.chips li {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px;
  background: rgba(255, 255, 255, .09); border: 1px solid rgba(255, 255, 255, .18); padding: 7px 14px; border-radius: 10px;
}
.chips .i { color: #6fe3a1; }
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px; margin-top: 30px; }
.hero-note { margin-top: 14px; font-size: 13px; color: #b6c3dc; }
.hero-art img { width: 100%; filter: drop-shadow(0 28px 50px rgba(0, 0, 0, .35)); }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 520px; margin: 4px auto 0; }
}

.hero .card { color: var(--ink); }
.hero .crumbs { color: #9fb0cc; margin-bottom: 16px; }
.hero .crumbs a { color: #c9d4e8; }
.hero .crumbs li + li::before { color: #6f80a0; }

/* trust strip */
.trust { border-bottom: 1px solid var(--rule); background: #fff; }
.trust ul { list-style: none; margin: 0; padding: 22px 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.trust li { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 14.5px; line-height: 1.55; }
.trust .ico { width: 44px; height: 44px; border-radius: 12px; }
.trust .ico .i { width: 23px; height: 23px; }
@media (max-width: 900px) { .trust ul { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .trust ul { grid-template-columns: 1fr; gap: 12px; } }

/* sections */
.sec { padding: clamp(56px, 8vw, 100px) 0; }
.sec.alt { background: var(--bg-soft); }
.sec.tight { padding: clamp(40px, 6vw, 64px) 0; }
.sec-head { max-width: 780px; margin-bottom: clamp(28px, 4vw, 44px); }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head p { color: var(--ink-2); margin-top: 14px; }
.tag { display: inline-block; transform: skewX(-12deg); background: var(--blue); color: #fff; font-weight: 800; font-size: 13px; letter-spacing: .1em; padding: 5px 14px; line-height: 1.5; }
.tag > span { display: inline-block; transform: skewX(12deg); }
.tag.heat { background: var(--red); }
.tag.navy { background: var(--navy); }
h2.h2 { font-size: clamp(25px, 3.4vw, 36px); font-weight: 900; margin-top: 16px; }

.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 960px) { .g3, .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .g2, .g3 { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .g4 { grid-template-columns: 1fr; } }

.card { background: #fff; border: 1px solid var(--rule); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); }
.card h3 { font-size: 18px; font-weight: 800; margin: 14px 0 8px; }
.card p { color: var(--ink-2); font-size: 15px; margin: 0; }
.card.row { display: flex; gap: 16px; align-items: flex-start; }
.card.row h3 { margin-top: 2px; }

/* worry cards */
.worries .card { display: flex; gap: 16px; align-items: center; padding: 20px 22px; }
.worries .card p { color: var(--ink); font-weight: 700; font-size: 16px; line-height: 1.6; }
.worries .card small { display: block; color: var(--muted); font-weight: 500; font-size: 13px; margin-top: 2px; }

/* services */
.svc .card { padding: 28px; }
.svc .card h3 { font-size: 20px; }

/* unit types */
.types .card { padding: 14px 14px 22px; text-align: center; }
.types figure { margin: 0; background: var(--bg-soft); border-radius: 12px; }
.types figure img { width: 100%; aspect-ratio: 280 / 180; }
.types h3 { font-size: 17px; margin: 14px 0 4px; }
.types p { font-size: 14px; }
@media (max-width: 520px) {
  .types.g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .types .card { padding: 8px 8px 14px; }
  .types h3 { font-size: 15px; margin-top: 10px; }
  .types p { font-size: 12.5px; line-height: 1.7; }
}
.after-types { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; color: var(--ink-2); }

/* price stats */
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.stat { background: #fff; border: 1px solid var(--rule); border-radius: var(--radius); padding: 26px 28px; box-shadow: var(--shadow-sm); position: relative; overflow: hidden; }
.stat::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background: var(--blue); }
.stat .k { font-weight: 800; font-size: 15px; color: var(--ink-2); }
.stat .k small { display: block; font-weight: 500; color: var(--muted); font-size: 13px; }
.stat .v { font-size: clamp(32px, 4.6vw, 46px); font-weight: 900; color: var(--navy); letter-spacing: .02em; line-height: 1.25; margin-top: 8px; font-feature-settings: "palt" 1; }
.stat .v span { font-size: .45em; font-weight: 800; margin-left: 4px; color: var(--ink-2); }
.source { font-size: 13px; color: var(--muted); margin-top: 14px; line-height: 1.7; }
@media (max-width: 640px) { .stats { grid-template-columns: 1fr; } }

/* tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: var(--radius); background: #fff; }
table.t { width: 100%; border-collapse: collapse; font-size: 15px; }
table.t th, table.t td { padding: 14px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--rule); }
table.t thead th { background: var(--navy); color: #fff; font-size: 14px; font-weight: 700; white-space: nowrap; }
table.t tbody tr:last-child th, table.t tbody tr:last-child td { border-bottom: 0; }
table.t tbody th { font-weight: 800; color: var(--ink); }
table.t td.num, table.t th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
table.t small { color: var(--muted); }
table.t.wide { min-width: 560px; }
table.t.wide th, table.t.wide td { white-space: nowrap; }
.scroll-hint { display: none; font-size: 12.5px; color: var(--muted); margin: 6px 0 0; }
@media (max-width: 640px) { .scroll-hint { display: block; } }
.status { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; font-size: 13px; border-radius: 999px; padding: 3px 12px; white-space: nowrap; }
.status.open { background: var(--ok-50); color: var(--ok); }
.status.soon { background: #fff4d6; color: #8a5a00; }
.status.closed { background: #eef0f3; color: #5f6b7d; }
@media (max-width: 680px) {
  table.t.stack thead { display: none; }
  table.t.stack, table.t.stack tbody, table.t.stack tr, table.t.stack th, table.t.stack td { display: block; width: 100%; }
  table.t.stack tr { padding: 14px 16px; border-bottom: 1px solid var(--rule); }
  table.t.stack tr:last-child { border-bottom: 0; }
  table.t.stack th, table.t.stack td { border: 0; padding: 3px 0; }
  table.t.stack td[data-label]::before { content: attr(data-label); display: block; font-size: 12px; font-weight: 700; color: var(--muted); }
}

/* steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; counter-reset: step; }
.steps li { counter-increment: step; background: #fff; border: 1px solid var(--rule); border-radius: var(--radius); padding: 22px 20px; position: relative; box-shadow: var(--shadow-sm); }
.steps li::before {
  content: "STEP " counter(step); display: inline-block; font-size: 12px; font-weight: 900; letter-spacing: .12em;
  color: var(--blue); margin-bottom: 12px;
}
.steps h3 { font-size: 17px; font-weight: 800; margin: 14px 0 6px; }
.steps p { font-size: 14px; color: var(--ink-2); margin: 0; }
.steps.s3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 1040px) {
  .steps, .steps.s3 { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .steps li { display: grid; grid-template-columns: 52px minmax(0, 1fr); column-gap: 16px; border-radius: 0; border-width: 0 0 1px; box-shadow: none; background: transparent; padding: 20px 0; }
  .steps li::before { grid-column: 2; margin-bottom: 0; }
  .steps li .ico { grid-row: 1 / span 3; grid-column: 1; }
  .steps h3 { grid-column: 2; margin-top: 2px; }
  .steps p { grid-column: 2; }
}

/* nameplate */
.plate-wrap { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(24px, 4vw, 48px); align-items: center; }
.plate { background: #e9ecf0; border-radius: 18px; padding: 28px; }
.plate-card { background: #fbfcfd; border: 2px solid #b9c2cd; border-radius: 8px; padding: 18px 20px; font-size: 14px; color: #2a3140; box-shadow: inset 0 0 0 4px #f1f3f6; }
.plate-card .ttl { font-weight: 900; letter-spacing: .1em; border-bottom: 2px solid #b9c2cd; padding-bottom: 8px; margin-bottom: 10px; }
.plate-card dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; }
.plate-card dt { color: #5a6475; }
.plate-card dd { margin: 0; font-weight: 800; font-variant-numeric: tabular-nums; }
.plate-card dd.hl { color: var(--red); }
.plate figcaption { font-size: 12px; color: var(--muted); margin-top: 10px; text-align: right; }
.checks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.checks li { display: flex; gap: 10px; align-items: flex-start; font-weight: 700; }
.checks .i { color: var(--ok); margin-top: .3em; }
@media (max-width: 800px) { .plate-wrap { grid-template-columns: 1fr; } }

/* promises */
.promises { counter-reset: pr; }
.promises .card { padding: 26px 26px 24px; }
.promises .card::before { counter-increment: pr; content: counter(pr, decimal-leading-zero); font-size: 30px; font-weight: 900; color: var(--blue-100); line-height: 1; display: block; letter-spacing: .04em; }
.promises h3 { font-size: 19px; margin-top: 10px; }

/* uses */
.uses { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; list-style: none; margin: 0; padding: 0; }
.uses li { background: #fff; border: 1px solid var(--rule); border-radius: 14px; padding: 18px 10px; text-align: center; font-weight: 700; font-size: 14px; }
.uses .ico { margin: 0 auto 10px; }
@media (max-width: 900px) { .uses { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* area */
.area-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 48px); align-items: center; }
.area-map { width: 100%; max-width: 460px; margin: 0 auto; }
.area-map text { font-family: var(--font); font-weight: 800; }
.area-list { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 14px 0 0; padding: 0; }
.area-list li { border: 1px solid var(--blue-100); background: var(--blue-50); color: var(--navy); font-weight: 700; padding: 4px 12px; border-radius: 999px; font-size: 14px; }
@media (max-width: 800px) { .area-grid { grid-template-columns: 1fr; } }

/* faq */
.faq { border-top: 1px solid var(--rule); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; gap: 14px; align-items: flex-start; justify-content: space-between;
  padding: 20px 4px; font-weight: 800; font-size: 16.5px; line-height: 1.6;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .q { color: var(--blue); font-weight: 900; margin-right: 4px; }
.faq summary .i { color: var(--muted); transition: transform .2s; margin-top: .25em; }
.faq details[open] summary .i { transform: rotate(180deg); }
.faq .a { padding: 0 4px 22px 32px; color: var(--ink-2); }
.faq .a p:last-child { margin-bottom: 0; }

/* flow diagram (how referral works) */
.flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 14px; align-items: stretch; }
.flow .node { background: #fff; border: 1px solid var(--rule); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); }
.flow .node.mid { border: 2px solid var(--blue); }
.flow .node h3 { font-size: 17px; margin: 12px 0 6px; }
.flow .node p { font-size: 14px; color: var(--ink-2); margin: 0; }
.flow .arrow { display: grid; place-items: center; color: var(--blue); font-size: 12px; font-weight: 800; text-align: center; }
.flow .arrow .i { width: 28px; height: 28px; }
.flow-notes { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 8px; color: var(--ink-2); font-size: 15px; }
.flow-notes li { display: flex; gap: 10px; }
.flow-notes .i { color: var(--blue); margin-top: .3em; }
@media (max-width: 860px) {
  .flow { grid-template-columns: 1fr; }
  .flow .arrow { transform: rotate(90deg); padding: 2px 0; }
}

/* CTA band */
.cta-band {
  position: relative; overflow: hidden; border-radius: 24px; color: #fff;
  background: radial-gradient(600px 300px at 90% 0%, rgba(0, 104, 183, .55), transparent 60%), linear-gradient(135deg, #16203a, #1c2c55);
  padding: clamp(28px, 5vw, 52px); display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px 40px; align-items: center;
}
.cta-band::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 6px; background: linear-gradient(102deg, var(--red) 0 50%, var(--blue) 50% 100%); }
.cta-band h2 { font-size: clamp(22px, 3vw, 32px); font-weight: 900; }
.cta-band p { color: #d5deef; margin: 12px 0 0; }
.cta-band .side { display: grid; gap: 10px; justify-items: center; }
.cta-band small { color: #b6c3dc; }
@media (max-width: 760px) { .cta-band { grid-template-columns: 1fr; } .cta-band .side { justify-items: stretch; } .btn-line.lg { padding: 12px 18px; font-size: 16px; } }
.btn span { text-wrap: balance; }

/* subpages */
.page-hero { background: var(--bg-soft); border-bottom: 1px solid var(--rule); padding: clamp(24px, 4vw, 40px) 0 clamp(28px, 4vw, 44px); }
.crumbs { list-style: none; margin: 0 0 18px; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 6px; font-size: 13px; color: var(--muted); }
.crumbs li { display: inline-flex; align-items: center; gap: 6px; }
.crumbs li + li::before { content: "›"; color: #a0aabb; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--blue); text-decoration: underline; }
.page-hero h1 { font-size: clamp(26px, 3.6vw, 40px); font-weight: 900; max-width: 26em; }
.page-hero .lead { color: var(--ink-2); margin: 16px 0 0; max-width: 46em; font-size: 16.5px; }
.meta { display: flex; flex-wrap: wrap; gap: 6px 16px; color: var(--muted); font-size: 13px; margin-top: 16px; }
.meta span { display: inline-flex; align-items: center; gap: 6px; }

.article { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: clamp(28px, 4vw, 56px); align-items: start; padding-top: clamp(32px, 5vw, 56px); padding-bottom: clamp(56px, 8vw, 96px); }
.side-col { position: sticky; top: 92px; display: grid; gap: 16px; }
.toc { background: var(--bg-soft); border-radius: var(--radius); padding: 18px 20px; font-size: 14px; }
.toc b { display: block; font-size: 13px; letter-spacing: .1em; color: var(--muted); margin-bottom: 6px; }
.toc ol { margin: 0; padding-left: 1.2em; display: grid; gap: 4px; }
.toc a { color: var(--ink-2); text-decoration: none; }
.toc a:hover { color: var(--blue); text-decoration: underline; }
.side-cta { background: var(--navy); color: #fff; border-radius: var(--radius); padding: 22px; }
.side-cta b { display: block; font-size: 17px; line-height: 1.5; }
.side-cta p { color: #c9d4e8; font-size: 14px; margin: 8px 0 14px; }
.side-cta .btn { width: 100%; }
@media (max-width: 1000px) { .article { grid-template-columns: minmax(0, 1fr); } .side-col { position: static; } .side-col .toc { order: -1; } }

.prose { font-size: 16.5px; min-width: 0; }
.prose > *:first-child { margin-top: 0; }
.prose h2 { font-size: clamp(21px, 2.6vw, 27px); font-weight: 900; margin: 56px 0 18px; padding: 0 0 0 16px; border-left: 6px solid var(--blue); line-height: 1.45; }
.prose h3 { font-size: 19px; font-weight: 800; margin: 34px 0 10px; }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 1.2em; }
.prose li { margin: .3em 0; }
.prose .table-wrap { margin: 18px 0 8px; }
.prose figure { margin: 24px 0; }
.box { border-radius: 14px; padding: 20px 22px; margin: 22px 0; }
.box > :last-child { margin-bottom: 0; }
.box .box-ttl { display: flex; align-items: center; gap: 8px; font-weight: 900; margin-bottom: 8px; font-size: 15px; letter-spacing: .06em; }
.box.answer { background: #eef6ff; border: 1px solid #cfe3f8; }
.box.answer .box-ttl { color: var(--blue); }
.box.caution { background: #fff7e8; border: 1px solid #f2ddb0; }
.box.caution .box-ttl { color: #8a5a00; }
.box.danger { background: var(--red-50); border: 1px solid #f6c9ba; }
.box.danger .box-ttl { color: #b42d0a; }
.sources { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--rule); font-size: 14px; color: var(--muted); }
.sources h2 { font-size: 16px; border: 0; padding: 0; margin: 0 0 10px; color: var(--ink-2); }
.sources ul { padding-left: 1.2em; margin: 0; }
.sources a { color: var(--ink-2); }
.related { display: grid; gap: 12px; margin-top: 24px; }
.related a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 18px; border: 1px solid var(--rule); border-radius: 12px; text-decoration: none; color: var(--ink); font-weight: 700; background: #fff; }
.related a:hover { border-color: var(--blue); color: var(--blue); }

.checkgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; list-style: none; padding: 0; margin: 0; }
.checkgrid li { display: flex; gap: 14px; background: #fff; border: 1px solid var(--rule); border-radius: 14px; padding: 18px; }
.checkgrid b { display: block; font-size: 16px; }
.checkgrid span { color: var(--ink-2); font-size: 14.5px; }
.checkgrid .num { flex: none; width: 30px; height: 30px; border-radius: 999px; background: var(--navy); color: #fff; display: grid; place-items: center; font-weight: 900; font-size: 13px; }
@media (max-width: 680px) { .checkgrid { grid-template-columns: 1fr; } }

.guide-list { display: grid; gap: 16px; }
.guide-list a { display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; gap: 18px; align-items: center; padding: 22px; border: 1px solid var(--rule); border-radius: var(--radius); background: #fff; text-decoration: none; color: var(--ink); box-shadow: var(--shadow-sm); }
.guide-list a:hover { border-color: var(--blue); }
.guide-list h2, .guide-list h3 { font-size: 18px; font-weight: 800; }
.guide-list p { margin: 4px 0 0; color: var(--ink-2); font-size: 14.5px; }
.guide-list .ico { width: 64px; height: 64px; }
.guide-list .chev { color: var(--muted); }
@media (max-width: 560px) { .guide-list a { grid-template-columns: 52px minmax(0, 1fr); } .guide-list .ico { width: 52px; height: 52px; } .guide-list .chev { display: none; } }

.kv { width: 100%; border-collapse: collapse; }
.kv th, .kv td { text-align: left; vertical-align: top; padding: 16px 0; border-bottom: 1px solid var(--rule); }
.kv th { width: 11em; color: var(--muted); font-weight: 700; padding-right: 20px; }
@media (max-width: 560px) { .kv th, .kv td { display: block; width: auto; padding: 0; border: 0; } .kv th { padding-top: 14px; font-size: 13px; } .kv td { padding-bottom: 14px; border-bottom: 1px solid var(--rule); } }

.cost-scale { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 18px 0 8px; }
.cost-scale figure { margin: 0; background: #fff; border: 1px solid var(--rule); border-radius: 14px; padding: 10px 10px 14px; text-align: center; }
.cost-scale img { width: 100%; aspect-ratio: 280 / 180; background: var(--bg-soft); border-radius: 10px; }
.cost-scale figcaption { font-weight: 800; font-size: 14px; margin-top: 8px; }
.cost-scale .lvl { display: block; font-size: 12px; color: var(--red); font-weight: 800; letter-spacing: .05em; }
.scale-axis { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--muted); font-weight: 700; }
@media (max-width: 680px) { .cost-scale { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* footer */
.site-footer { background: var(--navy-3); color: #b9c4d8; font-size: 14px; padding: 56px 0 32px; }
.site-footer a { color: #e3e9f5; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 32px; }
.foot-brand .brand { color: #fff; }
.foot-brand .brand small { color: #9fb0cc; }
.foot-brand p { margin: 14px 0 0; line-height: 1.8; }
.site-footer h2 { font-size: 13px; letter-spacing: .12em; color: #8ea0c0; margin: 4px 0 12px; font-weight: 800; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot-bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .1); display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; font-size: 13px; color: #8ea0c0; }
.social { display: flex; gap: 10px; margin-top: 16px; }
.social a { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(255, 255, 255, .08); }
.social a .i { width: 20px; height: 20px; }
@media (max-width: 860px) { .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .foot-brand { grid-column: 1 / -1; } }

/* sticky mobile CTA */
.sticky-cta { display: none; }
@media (max-width: 760px) {
  .sticky-cta {
    display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
    padding: 10px max(16px, env(safe-area-inset-left)) calc(10px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-right));
    background: rgba(255, 255, 255, .96); border-top: 1px solid var(--rule);
    -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  }
  .sticky-cta .btn { width: 100%; min-height: 54px; }
  .site-footer { padding-bottom: calc(32px + 80px + env(safe-area-inset-bottom)); }
}

/* misc */
.center { text-align: center; }
.mt-l { margin-top: 32px; }
.mt-m { margin-top: 20px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.lead-strong { font-size: 17px; font-weight: 700; }
.badge-new { display: inline-block; font-size: 11px; font-weight: 900; color: #fff; background: var(--red); border-radius: 4px; padding: 0 6px; margin-left: 6px; vertical-align: 2px; letter-spacing: .06em; }