/* philanthropist.jp — editorial stylesheet v2 「静かな高級誌」 */

:root {
  --paper: #f7f4ee;        /* 生成り */
  --paper-deep: #efeae0;
  --ink: #181612;          /* 墨 */
  --ink-soft: #4a463f;
  --ink-faint: #918a7d;
  --accent: #1c2b3a;       /* 鉄紺 */
  --gold: #a8842c;         /* 金茶（極小面積のみ） */
  --hairline: #d9d2c3;
  --max-text: 41rem;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { font-size: 17px; scroll-behavior: smooth; }

body {
  font-family: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 2;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: var(--paper); }

a { color: inherit; text-decoration: none; }

/* ---------- masthead ---------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--hairline);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
}

.masthead-inner {
  max-width: 70rem;
  margin: 0 auto;
  padding: 1.3rem 1.6rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  font-weight: 400;
}

.brand .tld { color: var(--gold); }

.masthead-nav {
  display: flex;
  gap: 2rem;
  font-family: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
}

.masthead-nav a {
  position: relative;
  padding-bottom: 0.2rem;
}

.masthead-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  border-bottom: 1px solid var(--gold);
  transition: right 0.3s ease;
}

.masthead-nav a:hover::after { right: 0; }

/* ---------- hero ---------- */

.hero {
  border-bottom: 1px solid var(--hairline);
  background:
    radial-gradient(ellipse 80% 60% at 85% 10%, rgba(168,132,44,0.06), transparent),
    var(--paper-deep);
  overflow: hidden;
}

.hero-inner {
  max-width: 70rem;
  margin: 0 auto;
  padding: 5.5rem 1.6rem 5rem;
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 3rem;
}

.hero-main { max-width: 36rem; }

.hero-kicker {
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  color: var(--gold);
  margin-bottom: 2.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hero-kicker::after {
  content: "";
  width: 3.5rem;
  border-top: 1px solid var(--gold);
  opacity: 0.6;
}

.hero h1 {
  font-size: clamp(1.7rem, 4vw, 2.55rem);
  font-weight: 600;
  line-height: 1.85;
  letter-spacing: 0.06em;
}

.hero p.lede {
  margin-top: 2.2rem;
  max-width: 36em;
  color: var(--ink-soft);
  font-size: 0.96rem;
  line-height: 2.15;
}

/* 縦書きの銘 */
.hero-tate {
  writing-mode: vertical-rl;
  font-size: 0.95rem;
  letter-spacing: 0.42em;
  color: var(--ink-faint);
  border-left: 1px solid var(--hairline);
  padding-left: 1.6rem;
  align-self: stretch;
  display: flex;
  align-items: flex-start;
}

/* ---------- sections ---------- */

.section {
  max-width: 70rem;
  margin: 0 auto;
  padding: 4.5rem 1.6rem;
}

.section + .section { border-top: 1px solid var(--hairline); }

.section-label {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.34em;
  color: var(--ink-faint);
  margin-bottom: 2.6rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.section-label::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  background: var(--gold);
  transform: rotate(45deg);
  flex-shrink: 0;
}

/* featured article card */

.featured a.card {
  position: relative;
  display: block;
  padding: 3rem 3rem 2.6rem;
  border: 1px solid var(--hairline);
  background: #fffdf9;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.featured a.card:hover {
  border-color: var(--accent);
  box-shadow: 0 14px 40px -22px rgba(24,22,18,0.35);
}

.card-issue {
  position: absolute;
  top: -1.4rem;
  right: 1.2rem;
  font-family: Georgia, serif;
  font-size: 8.5rem;
  line-height: 1;
  color: var(--paper-deep);
  user-select: none;
  pointer-events: none;
}

.card-cat {
  position: relative;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  color: var(--gold);
  margin-bottom: 1.2rem;
}

.card h3 {
  position: relative;
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1.75;
  letter-spacing: 0.04em;
}

.card p.excerpt {
  position: relative;
  margin-top: 1.3rem;
  max-width: 46em;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 2.05;
}

.card .meta {
  position: relative;
  margin-top: 1.8rem;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 0.73rem;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.card .meta .read {
  color: var(--accent);
  letter-spacing: 0.2em;
}

.card .meta .read::after { content: " →"; }

/* pillars */

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1px;
  background: var(--hairline);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.pillar {
  background: var(--paper);
  padding: 2.4rem 1.8rem;
  transition: background 0.3s ease;
}

.pillar:hover { background: #fffdf9; }

.pillar .num {
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 0.9rem;
  color: var(--gold);
}

.pillar h4 {
  margin-top: 1rem;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.07em;
}

.pillar p {
  margin-top: 0.9rem;
  font-size: 0.84rem;
  color: var(--ink-soft);
  line-height: 2;
}

/* upcoming list */

.upcoming { list-style: none; }

.upcoming li {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.2rem 0.6rem;
  border-bottom: 1px solid var(--hairline);
  transition: background 0.25s ease, padding-left 0.25s ease;
}

.upcoming li:first-child { border-top: 1px solid var(--hairline); }

.upcoming li:hover { background: #fffdf9; padding-left: 1rem; }

.upcoming .num {
  font-family: Georgia, serif;
  font-style: italic;
  color: var(--gold);
  font-size: 0.85rem;
  min-width: 1.7rem;
}

.upcoming .title { font-size: 0.96rem; letter-spacing: 0.04em; }

.upcoming .badge {
  margin-left: auto;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
  border: 1px solid var(--hairline);
  padding: 0.18rem 0.75rem;
  border-radius: 99px;
  white-space: nowrap;
}

/* about */

.about-text {
  max-width: var(--max-text);
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 2.15;
}

.about-text p + p { margin-top: 1.3rem; }

.about-text .credit {
  margin-top: 2.2rem;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
}

/* ---------- footer（墨）---------- */

footer {
  background: var(--ink);
  color: #b5aea2;
}

.footer-inner {
  max-width: 70rem;
  margin: 0 auto;
  padding: 3.2rem 1.6rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.2rem;
}

.footer-brand {
  font-family: Georgia, serif;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: #ece7dd;
}

.footer-brand .tld { color: var(--gold); }

.footer-note {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

/* ---------- article page ---------- */

.article-header {
  max-width: var(--max-text);
  margin: 0 auto;
  padding: 5rem 1.6rem 0;
  text-align: center;
}

.article-header .card-cat {
  margin-bottom: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.article-header .card-cat::before,
.article-header .card-cat::after {
  content: "";
  width: 2.4rem;
  border-top: 1px solid var(--gold);
  opacity: 0.5;
}

.article-header h1 {
  font-size: clamp(1.65rem, 4vw, 2.3rem);
  font-weight: 600;
  line-height: 1.8;
  letter-spacing: 0.05em;
}

.article-header .meta {
  margin-top: 1.8rem;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
}

.article-body {
  max-width: var(--max-text);
  margin: 0 auto;
  padding: 3.5rem 1.6rem 5rem;
}

/* リード段落（最初の見出しの直後の段落を太らせず、サイズで立てる） */
.article-body p.lead {
  font-size: 1.04rem;
  line-height: 2.2;
}

.article-body h2 {
  margin: 3.6rem 0 1.5rem;
  font-size: 1.26rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.8;
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
}

.article-body h2::before {
  content: "";
  width: 0.42rem;
  height: 0.42rem;
  background: var(--gold);
  transform: rotate(45deg) translateY(-0.15rem);
  flex-shrink: 0;
}

.article-body p { margin: 1.4rem 0; text-align: justify; }

.article-body strong { font-weight: 600; }

.article-body blockquote {
  margin: 2.8rem 0;
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  font-size: 1.06rem;
  line-height: 2.2;
  letter-spacing: 0.04em;
  text-align: center;
}

.article-body .sources {
  margin-top: 4rem;
  padding: 2rem 2rem 1.8rem;
  background: var(--paper-deep);
  border: 1px solid var(--hairline);
  font-size: 0.84rem;
  color: var(--ink-soft);
}

.article-body .sources h2 {
  margin: 0 0 0.4rem;
  font-size: 0.92rem;
  letter-spacing: 0.1em;
}

.article-body .sources ul { margin: 0.6rem 0 0 1.2rem; line-height: 2.1; }

.article-body .disclaimer {
  margin-top: 1.6rem;
  font-size: 0.78rem;
  color: var(--ink-faint);
}

.article-footer-nav {
  max-width: var(--max-text);
  margin: 0 auto;
  padding: 0 1.6rem 4.5rem;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
}

.article-footer-nav a { color: var(--accent); border-bottom: 1px solid var(--hairline); padding-bottom: 0.15rem; }
.article-footer-nav a:hover { border-color: var(--gold); }

/* ---------- responsive ---------- */

@media (max-width: 760px) {
  html { font-size: 16px; }
  .hero-inner { padding: 3.5rem 1.4rem 3rem; }
  .hero-tate { display: none; }
  .masthead-nav { gap: 1.2rem; font-size: 0.7rem; }
  .featured a.card { padding: 2rem 1.5rem; }
  .card-issue { font-size: 6rem; }
  .upcoming .badge { display: none; }
  .article-header { text-align: left; }
  .article-header .card-cat { justify-content: flex-start; }
  .article-header .card-cat::before { display: none; }
}

/* price labels on service pillars */
.pillar .price {
  margin-top: 1rem;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  border-top: 1px solid var(--hairline);
  padding-top: 0.8rem;
}