/* ============================================================
   令和カレンダー — style.css
   軽量・高速・アクセシブル・モバイル/iPad 最適化。
   和のカラー（梅=令和の由来）＋ 日本の暦の慣習（日曜・祝日=赤 / 土曜=青）。
   ============================================================ */

:root {
  /* 梅（うめ）をイメージした蘇芳系のブランドカラー */
  --c-primary:      #9c1c46;
  --c-primary-dark: #7b1435;
  --c-primary-light:#fdf0f3;
  --c-accent:       #c99a2e;   /* 金茶（アクセント） */

  /* 暦の慣習カラー */
  --c-sunday:  #c8102e;   /* 日曜・祝日 = 赤 */
  --c-holiday: #c8102e;
  --c-saturday:#1b56b3;   /* 土曜 = 青 */

  --c-success:   #0f7a4d;
  --c-success-bg:#dcf5e8;
  --c-danger:    #c8102e;
  --c-danger-bg: #fdecec;
  --c-warning:   #b7791f;
  --c-warning-bg:#fdf6e3;
  --c-neutral:   #6b7280;
  --c-neutral-bg:#f3f4f6;

  --c-bg:        #ffffff;
  --c-bg-alt:    #faf7f5;
  --c-text:      #1f2328;
  --c-text-muted:#5f6672;
  --c-border:    #e7e2df;

  --font-sans: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic UI", "Meiryo", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  --font-mono: Consolas, "Courier New", monospace;

  --radius-sm: 5px;
  --radius:    9px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 2px rgba(31,35,40,.05);
  --shadow:    0 1px 3px rgba(31,35,40,.1), 0 1px 2px rgba(31,35,40,.06);
  --shadow-md: 0 6px 14px -4px rgba(31,35,40,.12), 0 2px 5px -2px rgba(31,35,40,.08);

  --max-w: 1080px;
  --content-w: 760px;
}

:lang(ja) { font-feature-settings: "palt" 1; }

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-bg);
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--c-primary); outline-offset: 2px; border-radius: 3px;
}

/* ── Layout ── */
.container { max-width: var(--max-w); margin-inline: auto; padding-inline: 1rem; }
main { padding-block: 1.5rem 3rem; }

.skip-link {
  position: absolute; top: -100%; left: 1rem;
  background: var(--c-primary); color: #fff; padding: .5rem 1rem;
  border-radius: 0 0 var(--radius) var(--radius); font-size: .875rem; z-index: 100;
}
.skip-link:focus { top: 0; }

/* ── Header ── */
.site-header {
  background: #fff; border-bottom: 1px solid var(--c-border);
  position: sticky; top: 0; z-index: 50; box-shadow: var(--shadow-sm);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 58px; gap: 1rem; }
.site-logo { display: flex; align-items: center; gap: .5rem; font-weight: 700; font-size: 1.15rem; color: var(--c-text); flex-shrink: 0; }
.site-logo:hover { color: var(--c-primary); text-decoration: none; }
.logo-icon { color: var(--c-primary); flex-shrink: 0; }
.header-nav { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.header-nav::-webkit-scrollbar { display: none; }
.nav-list { display: flex; list-style: none; gap: .15rem; white-space: nowrap; }
.nav-link {
  display: inline-block; padding: .3rem .6rem; border-radius: var(--radius-sm);
  font-size: .82rem; font-weight: 600; color: var(--c-text-muted); transition: background .15s, color .15s;
}
.nav-link:hover { background: var(--c-primary-light); color: var(--c-primary); text-decoration: none; }

/* ── Breadcrumb ── */
.breadcrumb-nav { padding-block: .5rem; border-bottom: 1px solid var(--c-border); background: var(--c-bg-alt); }
.breadcrumb-list { display: flex; flex-wrap: wrap; align-items: center; list-style: none; gap: .3rem; font-size: .8rem; color: var(--c-text-muted); }
.breadcrumb-link { color: var(--c-primary); }
.breadcrumb-sep { color: var(--c-border); -webkit-user-select: none; user-select: none; }
.breadcrumb-list [aria-current="page"] { color: var(--c-text); font-weight: 600; }

/* ── Tool header ── */
.tool-header { padding-block: 1.25rem 1rem; border-bottom: 1px solid var(--c-border); margin-bottom: 1.5rem; }
.tool-title { font-size: clamp(1.5rem, 4.2vw, 2.3rem); font-weight: 800; line-height: 1.25; color: var(--c-text); letter-spacing: -.01em; }
.tool-lead { margin-top: .6rem; font-size: 1.05rem; color: var(--c-text-muted); max-width: 64ch; }
.tool-meta { margin-top: .6rem; font-size: .8rem; color: var(--c-text-muted); }

/* ── Answer box（結論を最初に） ── */
.answer-box {
  background: linear-gradient(135deg, var(--c-primary-light) 0%, #fff 100%);
  border: 1px solid #f2d3dc; border-left: 5px solid var(--c-primary);
  border-radius: var(--radius-lg); padding: 1.35rem 1.5rem; margin-block: 1.25rem;
}
.answer-box .answer-big { font-size: clamp(1.5rem, 5vw, 2.1rem); font-weight: 800; color: var(--c-primary-dark); line-height: 1.3; }
.answer-box .answer-big strong { color: var(--c-primary); }
.answer-box .answer-sub { margin-top: .4rem; font-size: 1rem; color: var(--c-text-muted); }

/* ── Tool widget ── */
.tool-widget { background: var(--c-bg-alt); border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: 1.35rem; margin-block: 1.5rem; }
.card { background: #fff; padding: 1.25rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.card + .card { margin-top: 1rem; }

.conv-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: .85rem; align-items: end; }
.converter-swap { display: flex; align-items: center; justify-content: center; padding: .5rem; color: var(--c-primary); font-size: 1.4rem; }
@media (max-width: 640px) {
  .conv-grid { grid-template-columns: 1fr; gap: .85rem; }
  .conv-grid .converter-swap { transform: rotate(90deg); justify-self: center; margin: .1rem 0; }
}
.field-label { font-size: .8rem; font-weight: 700; color: var(--c-text-muted); margin-bottom: .35rem; }
.field-row { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.field-input, select.field-input {
  padding: .55rem .7rem; border: 1px solid var(--c-border); border-radius: var(--radius-sm);
  font-size: 1.05rem; font-family: inherit; background: #fff; color: var(--c-text);
}
.field-input:focus { border-color: var(--c-primary); }
.field-input--full { width: 100%; }
.field-unit { font-weight: 700; }
.result-line { margin-top: .5rem; font-size: 1.3rem; font-weight: 800; color: var(--c-primary); min-height: 1.8rem; }
.btn-convert, .btn-primary {
  display: inline-block; width: 100%; margin-top: .85rem; padding: .7rem 1.25rem;
  background: var(--c-primary); color: #fff; border: none; border-radius: var(--radius-sm);
  font-size: 1.02rem; font-weight: 700; cursor: pointer; transition: background .15s; font-family: inherit;
}
.btn-convert:hover, .btn-primary:hover { background: var(--c-primary-dark); }
.btn-outline {
  display: inline-block; padding: .55rem 1.1rem; background: #fff; color: var(--c-primary);
  border: 1.5px solid var(--c-primary); border-radius: var(--radius-sm); font-size: .9rem; font-weight: 700;
  cursor: pointer; text-decoration: none;
}
.btn-outline:hover { background: var(--c-primary-light); text-decoration: none; }

.today-strip { display: flex; align-items: baseline; gap: .75rem; flex-wrap: wrap; }
.today-strip .today-label { font-size: .75rem; color: var(--c-text-muted); font-weight: 700; letter-spacing: .04em; }
.today-strip .today-main { font-size: clamp(1.6rem, 5vw, 2.2rem); font-weight: 800; color: var(--c-primary); }
.today-strip .today-sub { font-size: .95rem; color: var(--c-text-muted); }

/* ── Section titles / prose ── */
.section-title { font-size: 1.3rem; font-weight: 800; color: var(--c-text); margin: 2rem 0 1rem; padding-bottom: .5rem; border-bottom: 2px solid var(--c-primary-light); }
.prose p { margin-bottom: 1rem; line-height: 1.85; }
.prose h2 { font-size: 1.3rem; font-weight: 800; margin: 2rem 0 .9rem; padding-bottom: .4rem; border-bottom: 2px solid var(--c-primary-light); }
.prose h3 { font-size: 1.08rem; font-weight: 700; margin: 1.5rem 0 .6rem; color: var(--c-primary-dark); }
.prose ul, .prose ol { padding-left: 1.4rem; margin-bottom: 1rem; }
.prose li { margin-bottom: .4rem; line-height: 1.8; }
.prose a { text-decoration: underline; }
.prose a:hover { text-decoration: none; }
.prose strong { color: var(--c-primary-dark); }
.prose code { background: var(--c-neutral-bg); border: 1px solid var(--c-border); border-radius: 4px; padding: .1em .4em; font-family: var(--font-mono); font-size: .9em; }
.callout { background: var(--c-warning-bg); border: 1px solid #f3e2b8; border-left: 4px solid var(--c-warning); border-radius: var(--radius); padding: 1rem 1.2rem; margin-block: 1.25rem; }
.callout strong { color: #8a5a12; }
.note { background: var(--c-bg-alt); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 1rem 1.2rem; margin-block: 1.25rem; font-size: .95rem; color: var(--c-text-muted); }

/* ── Data tables ── */
.data-section { margin-block: 2rem; }
.table-wrapper { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--c-border); box-shadow: var(--shadow-sm); }
.data-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.data-table thead { background: var(--c-bg-alt); }
.data-table th { padding: .7rem .9rem; text-align: left; font-weight: 700; font-size: .8rem; color: var(--c-text-muted); border-bottom: 2px solid var(--c-border); white-space: nowrap; }
.data-table td { padding: .65rem .9rem; border-bottom: 1px solid var(--c-border); vertical-align: middle; }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--c-primary-light); }
.data-table tr.is-today { background: var(--c-warning-bg) !important; font-weight: 700; }
.data-table td.num, .data-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table a { color: var(--c-primary); text-decoration: none; font-weight: 600; }
.data-table a:hover { color: var(--c-primary-dark); text-decoration: underline; }
.tag-holiday { display: inline-block; padding: .1rem .5rem; border-radius: 999px; font-size: .72rem; font-weight: 700; }
.tag-holiday--national { background: var(--c-danger-bg); color: var(--c-holiday); }
.tag-holiday--sub { background: #fdf1e3; color: #a8620f; }
.tag-holiday--citizen { background: #eef3fd; color: var(--c-saturday); }

/* ── Calendar grid ── */
.cal-year { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-block: 1.5rem; }
@media (max-width: 900px) { .cal-year { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 680px) { .cal-year { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px) { .cal-year { grid-template-columns: 1fr; } }
.cal-month { border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); }
.cal-month-head { background: var(--c-primary); color: #fff; text-align: center; padding: .45rem; font-weight: 700; font-size: .95rem; }
.cal-month-head .cal-wareki { font-size: .7rem; opacity: .85; font-weight: 500; display: block; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); }
.cal-grid .cal-wd { text-align: center; font-size: .68rem; font-weight: 700; padding: .3rem 0; color: var(--c-text-muted); background: var(--c-bg-alt); }
.cal-grid .cal-wd.sun { color: var(--c-sunday); }
.cal-grid .cal-wd.sat { color: var(--c-saturday); }
.cal-grid .cal-day { text-align: center; font-size: .82rem; padding: .3rem 0; min-height: 1.9rem; position: relative; border-top: 1px solid #f1eeeb; }
.cal-grid .cal-day.sun, .cal-grid .cal-day.holiday { color: var(--c-sunday); }
.cal-grid .cal-day.sat { color: var(--c-saturday); }
.cal-grid .cal-day.holiday { font-weight: 700; }
.cal-grid .cal-day.holiday::after { content: ""; position: absolute; bottom: 3px; left: 50%; transform: translateX(-50%); width: 4px; height: 4px; border-radius: 50%; background: var(--c-holiday); }
.cal-grid .cal-day.today { background: var(--c-warning-bg); border-radius: 5px; font-weight: 800; }
.cal-grid .cal-day.empty { color: transparent; }

/* Large single month (printable / monthly) */
.cal-large .cal-grid .cal-day { min-height: 3.2rem; font-size: 1rem; text-align: right; padding: .3rem .4rem; }
.cal-large .cal-grid .cal-day .cal-hol-name { display: block; font-size: .6rem; line-height: 1.1; color: var(--c-holiday); font-weight: 700; }

/* ── 六曜カレンダー ── */
.rokuyo-months { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-block: 1.5rem; }
@media (max-width: 720px) { .rokuyo-months { grid-template-columns: 1fr; } }
.cal-large .cal-grid .cal-day .cal-rokuyo { display: block; font-size: .6rem; line-height: 1.15; color: var(--c-text-muted); font-weight: 600; margin-top: 1px; }
.cal-day.rk-taian .cal-rokuyo { color: var(--c-success); font-weight: 700; }
.cal-day.rk-taian { background: var(--c-success-bg); }
.cal-day.rk-butsumetsu .cal-rokuyo { color: #9aa0a6; }
.rokuyo-legend { display: flex; flex-wrap: wrap; gap: .5rem 1rem; margin-block: 1rem; font-size: .85rem; }
.rokuyo-legend b { color: var(--c-primary-dark); }

/* ── Stat cards ── */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; margin-block: 1.25rem; }
.stat-card { background: #fff; border: 1px solid var(--c-border); border-top: 3px solid var(--c-primary); border-radius: var(--radius); padding: 1rem 1.1rem; text-align: center; box-shadow: var(--shadow-sm); }
.stat-card-label { font-size: .72rem; font-weight: 700; color: var(--c-text-muted); margin-bottom: .4rem; }
.stat-card-value { font-size: 1.9rem; font-weight: 800; color: var(--c-primary); line-height: 1; margin-bottom: .3rem; font-variant-numeric: tabular-nums; }
.stat-card-sub { font-size: .78rem; color: var(--c-text-muted); }

/* ── FAQ ── */
.faq-section { margin-block: 2.25rem; }
.faq-list { list-style: none; }
.faq-item { border: 1px solid var(--c-border); border-radius: var(--radius); margin-bottom: .55rem; overflow: hidden; background: #fff; }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.2rem; background: #fff; border: none; cursor: pointer; text-align: left; font-size: .96rem; font-weight: 700; color: var(--c-text); font-family: inherit; gap: .75rem; }
.faq-question:hover { background: var(--c-bg-alt); }
.faq-chevron { flex-shrink: 0; width: 1.2rem; height: 1.2rem; color: var(--c-text-muted); transition: transform .2s; }
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-answer { padding: 0 1.2rem; max-height: 0; overflow: hidden; transition: max-height .25s ease, padding .25s ease; color: var(--c-text-muted); font-size: .93rem; line-height: 1.8; }
.faq-item.open .faq-answer { padding: .2rem 1.2rem 1.1rem; max-height: 600px; }

/* ── Related ── */
.related-section { margin-block: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--c-border); }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: .8rem; list-style: none; margin-top: 1rem; }
.related-card { border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; transition: box-shadow .15s, border-color .15s, transform .1s; background: #fff; }
.related-card:hover { box-shadow: var(--shadow-md); border-color: var(--c-primary); transform: translateY(-1px); }
.related-link { display: block; padding: .9rem 1rem; color: var(--c-text); }
.related-link:hover { text-decoration: none; }
.related-lang { display: inline-block; font-size: .66rem; font-weight: 700; letter-spacing: .04em; background: var(--c-primary-light); color: var(--c-primary-dark); padding: .1rem .5rem; border-radius: 999px; margin-bottom: .4rem; }
.related-name { display: block; font-size: .9rem; font-weight: 700; color: var(--c-text); line-height: 1.35; }
.related-desc { display: block; font-size: .78rem; color: var(--c-text-muted); margin-top: .25rem; }

/* ── Homepage ── */
.home-hero { padding-block: 2.75rem 2rem; text-align: center; background: linear-gradient(160deg, var(--c-primary-light) 0%, #fff 70%); border-bottom: 1px solid var(--c-border); }
.home-hero h1 { font-size: clamp(1.8rem, 5.5vw, 2.9rem); font-weight: 900; line-height: 1.2; color: var(--c-text); margin-bottom: .8rem; letter-spacing: -.01em; }
.home-hero .hero-lead { font-size: 1.08rem; color: var(--c-text-muted); max-width: 56ch; margin-inline: auto; }
.home-today { display: inline-flex; flex-wrap: wrap; justify-content: center; align-items: baseline; gap: .6rem; margin-top: 1.4rem; background: #fff; border: 1px solid var(--c-border); box-shadow: var(--shadow); border-radius: 999px; padding: .7rem 1.5rem; }
.home-today .ht-big { font-size: 1.4rem; font-weight: 800; color: var(--c-primary); }
.home-today .ht-sub { font-size: .9rem; color: var(--c-text-muted); }

.home-content { padding-block: 2.5rem; }
.home-section { margin-bottom: 2.5rem; }
.home-section-label { font-size: .8rem; font-weight: 800; letter-spacing: .04em; color: var(--c-primary); border-left: 4px solid var(--c-primary); padding-left: .7rem; margin-bottom: 1rem; }
.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1rem; list-style: none; }
.tool-card { border: 1px solid var(--c-border); border-radius: var(--radius-lg); overflow: hidden; transition: box-shadow .15s, border-color .15s, transform .1s; background: #fff; }
.tool-card:hover { box-shadow: var(--shadow-md); border-color: var(--c-primary); transform: translateY(-2px); }
.tool-card-link { display: block; padding: 1.1rem 1.25rem; color: var(--c-text); }
.tool-card-link:hover { text-decoration: none; }
.tool-card h3 { font-size: 1rem; font-weight: 700; line-height: 1.35; margin-bottom: .3rem; color: var(--c-primary-dark); }
.tool-card p { font-size: .84rem; color: var(--c-text-muted); line-height: 1.55; }

/* ── Chips / quick links ── */
.chip-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-block: 1rem; }
.chip { display: inline-block; padding: .35rem .8rem; border: 1px solid var(--c-border); border-radius: 999px; font-size: .85rem; font-weight: 600; color: var(--c-primary); background: #fff; }
.chip:hover { background: var(--c-primary-light); text-decoration: none; }

/* ── Content page ── */
.content-page { padding-block: 1.5rem 3rem; }
.page-header { margin-bottom: 1.5rem; border-bottom: 2px solid var(--c-border); padding-bottom: 1rem; }
.page-title { font-size: clamp(1.6rem, 4.5vw, 2.2rem); font-weight: 900; color: var(--c-text); }
.page-body { max-width: var(--content-w); font-size: 1rem; }
.page-body h2 { font-size: 1.3rem; font-weight: 800; margin: 2rem 0 .8rem; padding-bottom: .35rem; border-bottom: 2px solid var(--c-primary-light); }
.page-body h3 { font-size: 1.08rem; font-weight: 700; margin: 1.5rem 0 .55rem; color: var(--c-primary-dark); }
.page-body p { line-height: 1.9; margin-bottom: 1rem; }
.page-body ul, .page-body ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.page-body li { line-height: 1.85; margin-bottom: .4rem; }
.page-body a { color: var(--c-primary); text-decoration: underline; }
.page-body a:hover { text-decoration: none; }
.page-body table { width: 100%; border-collapse: collapse; margin-bottom: 1.25rem; font-size: .92rem; }
.page-body table th, .page-body table td { padding: .55rem .8rem; border: 1px solid var(--c-border); text-align: left; }
.page-body table th { background: var(--c-primary-light); font-weight: 700; }

/* ── Footer ── */
.site-footer { margin-top: 3rem; border-top: 1px solid var(--c-border); background: var(--c-bg-alt); }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2rem; padding-block: 2.5rem; }
.footer-logo { font-weight: 800; font-size: 1.15rem; color: var(--c-text); display: block; margin-bottom: .5rem; }
.footer-desc { font-size: .85rem; color: var(--c-text-muted); line-height: 1.7; }
.footer-nav-title { font-size: .78rem; font-weight: 800; letter-spacing: .04em; color: var(--c-text-muted); margin-bottom: .7rem; }
.footer-nav ul { list-style: none; }
.footer-nav li { margin-bottom: .4rem; }
.footer-nav a { font-size: .86rem; color: var(--c-text-muted); }
.footer-nav a:hover { color: var(--c-primary); }
.footer-bottom { border-top: 1px solid var(--c-border); padding-block: 1rem; display: flex; flex-wrap: wrap; gap: .5rem; justify-content: space-between; align-items: center; }
.footer-copy, .footer-accuracy { font-size: .78rem; color: var(--c-text-muted); }
.footer-accuracy { max-width: 62ch; }
.footer-accuracy a { color: var(--c-text-muted); text-decoration: underline; }
.footer-legal { display: flex; flex-wrap: wrap; gap: .3rem 1.1rem; width: 100%; margin-bottom: .6rem; padding-bottom: .6rem; border-bottom: 1px solid var(--c-border); }
.footer-legal a { font-size: .82rem; font-weight: 600; color: var(--c-text-muted); }
.footer-legal a:hover { color: var(--c-primary); }

/* ── Utility ── */
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; } .mt-2 { margin-top: 2rem; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .tools-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
  .nav-link { padding: .3rem .45rem; }
  main { padding-block: 1rem 2rem; }
}

/* ── Print（印刷用カレンダー最適化） ── */
@media print {
  @page { margin: 8mm; size: A4 portrait; }
  .site-header, .site-footer, .related-section, .faq-section, .breadcrumb-nav,
  .no-print, .tool-meta, .tool-lead, .chip-row { display: none !important; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  body { font-size: 10pt; color: #000; }
  main { padding: 0; }
  .container { max-width: none; padding: 0; }
  .tool-header { border: none; padding: 0 0 4pt; margin: 0 0 4pt; }
  .tool-title { font-size: 15pt; }

  /* 12か月を1枚のA4（縦）に収める */
  .cal-year { grid-template-columns: repeat(3, 1fr) !important; gap: 5pt !important; margin: 0 !important; }
  .cal-month { break-inside: avoid; box-shadow: none; border-color: #bbb; }
  .cal-month-head { background: #f0e6ea !important; color: #000 !important; padding: 2pt !important; font-size: 8.5pt !important; }
  .cal-month-head .cal-wareki { font-size: 6pt !important; }
  .cal-grid .cal-wd { font-size: 6pt !important; padding: 1pt 0 !important; background: #f6f2f0 !important; }
  .cal-grid .cal-day { min-height: 0 !important; font-size: 7.5pt !important; padding: 1.5pt 0 !important; line-height: 1.1; }
  .cal-grid .cal-day.holiday::after { display: none !important; }  /* ドットは省いて縦幅を節約 */
  .cal-grid .cal-day.holiday { background: #fbeaee !important; border-radius: 2px; }
  .cal-grid .cal-day.sun, .cal-grid .cal-day.holiday, .cal-grid .cal-wd.sun { color: #c8102e !important; }
  .cal-grid .cal-day.sat, .cal-grid .cal-wd.sat { color: #1b56b3 !important; }
  .cal-grid .cal-day.today { background: transparent !important; }

  a { color: #000; text-decoration: none; }
  .print-portrait { page-break-after: always; }
}