@charset "UTF-8";

/* =========================================================
   相続サプリ  —  サイト共通スタイル
   ツール群（/tools/）と同じ「和紙・墨・朱・藍」の配色で組む。
   ========================================================= */

:root {
  --sumi:       #2a2723;   /* 墨 */
  --sumi-soft:  #4a453d;
  --sumi-mute:  #7a746a;
  --shu:        #b5443a;   /* 朱 */
  --shu-dark:   #93342c;
  --ai:         #2f4870;   /* 藍 */
  --ai-soft:    #e8edf4;
  --washi:      #f6f2e9;   /* 和紙 */
  --washi-deep: #efe9db;
  --shiro:      #fffdf8;
  --line:       #d9cfba;
  --line-soft:  #e8e0cf;
  --kincha:     #9a7b2d;   /* 金茶 */
  --ok:         #3d6b4f;
  --ok-soft:    #e7f0ea;
  --warn-bg:    #f7e9e5;

  --font-sans:  "游ゴシック体", "Yu Gothic", "YuGothic", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  --font-serif: "游明朝", "Yu Mincho", YuMincho, "Hiragino Mincho ProN", "HG明朝E", serif;

  --wrap: 920px;
  --wrap-narrow: 700px;
  --gutter: 20px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

body {
  font-family: var(--font-sans);
  background: var(--washi);
  background-image: radial-gradient(rgba(154, 123, 45, .045) 1px, transparent 1px);
  background-size: 16px 16px;
  color: var(--sumi);
  line-height: 1.85;
  font-size: 16px;
  overflow-wrap: anywhere;
  line-break: strict;
}

h1, h2, h3, .mincho {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: .06em;
  line-height: 1.5;
}
a { color: var(--ai); text-underline-offset: 3px; }
a:hover { color: var(--shu-dark); }
img, svg { max-width: 100%; height: auto; display: block; }
ul, ol { padding: 0; }

:focus-visible { outline: 3px solid var(--kincha); outline-offset: 2px; border-radius: 2px; }

.skip-link { position: absolute; left: -9999px; top: 0; background: var(--sumi); color: #fff; padding: 12px 20px; z-index: 100; }
.skip-link:focus { left: 0; }

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

/* =========================================================
   ヘッダー
   ========================================================= */
.site-header { border-bottom: 1px solid var(--line); background: var(--washi); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 0 10px; flex-wrap: wrap; }

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.brand-seal {
  width: 46px; height: 46px; flex: none;
  border: 2px solid var(--shu); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--shu); font-family: var(--font-serif); font-weight: 700;
  font-size: .62rem; line-height: 1.25; letter-spacing: .08em; text-align: center;
  transform: rotate(-6deg);
  box-shadow: inset 0 0 0 1.5px var(--washi), inset 0 0 0 3px rgba(181, 68, 58, .35);
}
.brand-text { display: flex; flex-direction: column; }
.brand-name { font-family: var(--font-serif); font-size: 1.15rem; letter-spacing: .14em; color: var(--sumi); }
.brand-office { font-size: .74rem; color: var(--sumi-mute); letter-spacing: .08em; }

.site-nav ul { list-style: none; display: flex; gap: 20px; }
.site-nav a { color: var(--sumi-soft); text-decoration: none; font-size: .9rem; letter-spacing: .08em; padding: 6px 0; position: relative; }
.site-nav a:hover { color: var(--shu-dark); }
.site-nav a[aria-current="page"] { color: var(--sumi); }
.site-nav a[aria-current="page"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--shu); }

.priv-bar { text-align: center; padding: 0 var(--gutter) 10px; }
.priv-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .76rem; color: var(--ok); background: var(--ok-soft);
  border: 1px solid rgba(61, 107, 79, .35); border-radius: 999px; padding: 2px 12px; letter-spacing: .04em;
}
.priv-badge::before { content: "✓"; font-weight: 700; }

@media (max-width: 560px) {
  .header-inner { padding-bottom: 6px; }
  .site-nav { width: 100%; }
  .site-nav ul { justify-content: center; gap: 22px; }
  .site-nav a { font-size: .86rem; }
}

/* =========================================================
   トップ：ヒーロー・絞り込み・ツール一覧
   ========================================================= */
.hero { padding: 48px 0 32px; text-align: center; }
.hero .seal {
  width: 96px; height: 96px; margin: 0 auto 20px;
  border: 3px solid var(--shu); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--shu); font-family: var(--font-serif); font-weight: 700;
  font-size: 1.05rem; line-height: 1.35; letter-spacing: .1em;
  transform: rotate(-6deg);
  box-shadow: inset 0 0 0 2px var(--washi), inset 0 0 0 4px rgba(181, 68, 58, .35);
  user-select: none;
}
.hero h1 { font-size: 1.9rem; letter-spacing: .14em; margin-bottom: 10px; }
.hero .lead { max-width: 640px; margin: 0 auto; color: var(--sumi-soft); font-size: .98rem; }
.hero .lead strong { color: var(--shu-dark); font-weight: 700; }
@media (max-width: 560px) { .hero h1 { font-size: 1.5rem; } .hero .lead br { display: none; } }

.situ { margin: 26px 0 8px; }
.situ p.q { text-align: center; font-family: var(--font-serif); font-size: 1.05rem; letter-spacing: .1em; margin-bottom: 14px; }
.chips, .filter-bar { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.chip {
  font-family: inherit; font-size: .95rem; letter-spacing: .06em;
  padding: 10px 22px; border-radius: 999px;
  border: 1.5px solid var(--line); background: var(--shiro); color: var(--sumi-soft);
  cursor: pointer; transition: all .15s ease;
}
.chip:hover { border-color: var(--ai); color: var(--ai); }
.chip[aria-pressed="true"] { background: var(--ai); border-color: var(--ai); color: #fff; font-weight: 700; }
.chip.shu[aria-pressed="true"] { background: var(--shu); border-color: var(--shu); }
.filter-count { font-size: .72rem; opacity: .7; margin-left: 8px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; padding: 26px 0 10px; }
.card {
  background: var(--shiro); border: 1px solid var(--line); border-radius: 10px;
  padding: 22px 22px 18px; display: flex; flex-direction: column; gap: 10px; position: relative;
  transition: box-shadow .18s ease, transform .18s ease;
}
.card:hover { box-shadow: 0 8px 24px rgba(42, 39, 35, .10); transform: translateY(-2px); }
.card.hide { display: none; }
.card .tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag { font-size: .72rem; letter-spacing: .08em; padding: 2px 10px; border-radius: 3px; border: 1px solid; line-height: 1.7; }
.tag.t-shindan { color: var(--ai); border-color: var(--ai); background: var(--ai-soft); }
.tag.t-sakusei { color: var(--shu-dark); border-color: var(--shu); background: var(--warn-bg); }
.tag.t-kiroku  { color: var(--kincha); border-color: var(--kincha); background: #f6efdd; }
.tag.t-time    { color: var(--sumi-soft); border-color: var(--line); background: var(--washi-deep); }
.card h3 { font-size: 1.12rem; letter-spacing: .06em; line-height: 1.5; }
.card h3 a { color: var(--sumi); text-decoration: none; }
.card h3 a::after { content: ""; position: absolute; inset: 0; }
.card p.desc { font-size: .9rem; color: var(--sumi-soft); flex: 1; }
.card .go { align-self: flex-end; font-size: .88rem; font-weight: 700; color: var(--shu-dark); letter-spacing: .06em; }
.card .go::after { content: " ▶"; font-size: .75rem; }
.card:focus-within { outline: 3px solid var(--kincha); outline-offset: 2px; }

.privacy { margin: 36px 0; background: var(--ok-soft); border: 1px solid rgba(61, 107, 79, .3); border-radius: 10px; padding: 22px 24px; }
.privacy h2 { font-size: 1.05rem; color: var(--ok); margin-bottom: 8px; letter-spacing: .1em; }
.privacy p { font-size: .9rem; color: var(--sumi-soft); }

.home-articles { margin: 44px 0 20px; }
.sec-h { font-size: 1.3rem; letter-spacing: .12em; text-align: center; margin-bottom: 8px; }
.sec-lead { text-align: center; color: var(--sumi-soft); font-size: .92rem; margin-bottom: 22px; }
.more { text-align: center; margin-top: 22px; }
.more a { font-size: .9rem; letter-spacing: .06em; text-decoration: none; border-bottom: 1px solid currentColor; }
.more a::after { content: " →"; }

/* CTA（トップ末尾） */
.cta { margin: 28px 0 48px; background: var(--sumi); color: var(--washi); border-radius: 10px; padding: 30px 26px; text-align: center; }
.cta h2 { font-size: 1.25rem; letter-spacing: .12em; margin-bottom: 10px; color: var(--washi); }
.cta > p { font-size: .92rem; color: #d8d2c6; max-width: 600px; margin: 0 auto 18px; }
.cta .sapuri-line { text-align: center; margin: 0 auto 18px; max-width: 560px; }
.cta .btns { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.cta a.btn { display: inline-block; text-decoration: none; font-weight: 700; letter-spacing: .06em; padding: 12px 26px; border-radius: 6px; font-size: .95rem; }
.cta a.tel   { background: transparent; color: var(--washi); border: 1.5px solid var(--washi); }
.cta a.ghost { background: transparent; color: #d8d2c6; border: 1.5px solid #6a6357; }
.cta a.ghost:hover, .cta a.tel:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.cta .tel-note { font-size: .78rem; color: #b9b2a4; margin-top: 10px; }

/* =========================================================
   記事一覧・記事カード
   ========================================================= */
.page-head { padding: 34px 0 26px; border-bottom: 1px solid var(--line-soft); margin-bottom: 30px; }
.page-head h1 { font-size: clamp(1.4rem, 3.6vw, 2rem); letter-spacing: .1em; }
.page-lead { margin-top: 14px; color: var(--sumi-soft); max-width: 44em; font-size: .95rem; }

.breadcrumb { margin-bottom: 16px; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; font-size: .78rem; color: var(--sumi-mute); }
.breadcrumb li + li::before { content: "／"; margin-right: 8px; color: var(--line); }
.breadcrumb a { color: var(--sumi-mute); text-decoration: none; }
.breadcrumb a:hover { color: var(--shu-dark); text-decoration: underline; }

.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 12px; font-size: .78rem; color: var(--sumi-mute); }
.article-updated::before { content: "・"; margin-right: 6px; }

.filter-bar { justify-content: flex-start; margin-bottom: 8px; }
.article-grid { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 18px; }
.article-grid-lg { margin: 22px 0 60px; }
.article-card { display: flex; }
.article-card[hidden] { display: none; }
.article-card > a {
  display: flex; flex-direction: column; gap: 9px; width: 100%; padding: 22px 22px 18px;
  background: var(--shiro); border: 1px solid var(--line); border-radius: 10px;
  text-decoration: none; color: inherit;
  transition: box-shadow .18s ease, transform .18s ease;
}
.article-card > a:hover { box-shadow: 0 8px 24px rgba(42, 39, 35, .10); transform: translateY(-2px); }
.article-card h2, .article-card h3 { font-size: 1.05rem; line-height: 1.55; color: var(--sumi); }
.article-card p { font-size: .86rem; color: var(--sumi-soft); flex: 1; }
.article-card time { font-size: .74rem; color: var(--sumi-mute); letter-spacing: .06em; }
.article-cat { align-self: flex-start; font-size: .72rem; letter-spacing: .1em; color: var(--ai); background: var(--ai-soft); border: 1px solid var(--ai); padding: 1px 10px; border-radius: 3px; }
.empty-msg { color: var(--sumi-mute); padding: 40px 0; text-align: center; }

/* =========================================================
   本文
   ========================================================= */
.prose { max-width: var(--wrap-narrow); margin: 0 auto; padding-bottom: 40px; }
.prose h2 { font-size: clamp(1.15rem, 2.4vw, 1.45rem); margin: 2.8em 0 .9em; padding-bottom: .45em; border-bottom: 1px solid var(--line); scroll-margin-top: 20px; }
.prose h3 { font-size: clamp(1.02rem, 2vw, 1.15rem); margin: 2.2em 0 .8em; padding-left: 12px; border-left: 3px solid var(--shu); scroll-margin-top: 20px; }
.prose > *:first-child { margin-top: 0; }
.prose p { margin-bottom: 1.5em; }
.prose ul, .prose ol { margin: 0 0 1.7em 1.4em; }
.prose li { margin-bottom: .5em; }
.prose li::marker { color: var(--shu); }
.prose strong { color: var(--sumi); }
.prose blockquote { margin: 1.8em 0; padding: 16px 22px; background: var(--washi-deep); border-left: 3px solid var(--kincha); color: var(--sumi-soft); font-size: .95rem; }
.prose blockquote p:last-child { margin-bottom: 0; }
.prose table { width: 100%; border-collapse: collapse; margin-bottom: 1.8em; font-size: .9rem; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; background: var(--shiro); }
.prose th { background: var(--washi-deep); font-weight: 700; white-space: nowrap; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.6em 0; }
.prose .note, .prose .warn { margin: 1.8em 0; padding: 18px 22px; border-radius: 8px; font-size: .92rem; }
.prose .note { background: var(--ok-soft); border: 1px solid rgba(61, 107, 79, .3); }
.prose .warn { background: var(--warn-bg); border: 1px solid rgba(181, 68, 58, .35); }
.prose .note p:last-child, .prose .warn p:last-child { margin-bottom: 0; }

.tool-pointer { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; padding: 12px 18px; margin-bottom: 26px; background: var(--ai-soft); border: 1px solid var(--ai); border-radius: 8px; font-size: .9rem; }
.tool-pointer .tp-label { color: var(--ai); font-size: .76rem; letter-spacing: .1em; }
.tool-pointer a { font-weight: 700; text-decoration: none; }

.toc { background: var(--shiro); border: 1px solid var(--line); border-radius: 8px; padding: 20px 26px; margin-bottom: 2.6em; }
.toc-title { font-family: var(--font-serif); font-size: .9rem; letter-spacing: .12em; margin-bottom: 10px; }
.toc ul { list-style: none; margin: 0; font-size: .9rem; }
.toc li { margin-bottom: .4em; }
.toc ul ul { margin: .4em 0 0 1.1em; font-size: .86rem; }
.toc a { color: var(--sumi-soft); text-decoration: none; }
.toc a:hover { color: var(--shu-dark); text-decoration: underline; }

.article-disclaimer { margin-top: 2.4em; padding: 16px 20px; border: 1px dashed var(--line); border-radius: 8px; font-size: .8rem; color: var(--sumi-mute); line-height: 1.8; }
.related { max-width: var(--wrap-narrow); margin: 0 auto 60px; }
.related h2 { font-size: 1.1rem; letter-spacing: .1em; margin-bottom: 18px; }

/* =========================================================
   フッター
   ========================================================= */
.site-footer { border-top: 1px solid var(--line); padding: 26px 0 40px; font-size: .82rem; color: var(--sumi-soft); text-align: center; }
.site-footer .fname { font-family: var(--font-serif); font-size: .95rem; letter-spacing: .12em; margin-bottom: 4px; color: var(--sumi); }
.site-footer .fline { margin-bottom: 2px; }
.site-footer .fnote { font-size: .76rem; color: var(--sumi-mute); }
.site-footer a { color: var(--sumi-soft); }
.footer-nav { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; margin: 14px 0 10px; }
.footer-nav a { text-decoration: none; letter-spacing: .06em; }
.footer-nav a:hover { color: var(--shu-dark); }
.site-footer .copy { font-size: .74rem; color: var(--sumi-mute); }

@media print {
  .site-header, .site-footer, .filter-bar, .breadcrumb, .cta, .sapuri-line { display: none; }
  body { background: #fff; color: #000; font-size: 11pt; }
  a { text-decoration: none; color: #000; }
}