:root {
  --paper: oklch(0.997 0.001 122);
  --paper-soft: oklch(0.992 0.002 122);
  --ink: oklch(0.205 0.018 145);
  --body: oklch(0.405 0.018 145);
  --muted: oklch(0.555 0.015 145);
  --quiet: oklch(0.72 0.012 145);
  --line: oklch(0.875 0.012 132);
  --line-strong: oklch(0.73 0.018 138);
  --burgundy: oklch(0.42 0.095 24);
  --serif: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
  --sans: "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", system-ui, sans-serif;
  --roman: "Times New Roman", Georgia, serif;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--body);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.95;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

img {
  display: block;
  max-width: 100%;
  height: auto;
}

p,
h1,
h2,
h3,
figure {
  margin: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  min-height: 72px;
  padding: 15px clamp(18px, 4vw, 54px);
  color: var(--ink);
  background: oklch(0.997 0.001 122 / 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-grid;
  gap: 2px;
  width: fit-content;
}

.brand__name {
  font-family: var(--serif);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1;
}

.brand__note {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.nav {
  display: none;
  gap: clamp(18px, 3vw, 34px);
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article {
  padding: clamp(40px, 6vw, 82px) clamp(18px, 4vw, 54px) clamp(72px, 10vw, 120px);
}

.article__inner {
  width: min(100%, 820px);
  margin: 0 auto;
}

.article__category {
  color: var(--burgundy);
  font-family: var(--roman);
  font-size: 13px;
  font-style: italic;
  letter-spacing: 0.08em;
}

.article h1 {
  margin-top: 18px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 500;
  line-height: 1.24;
  text-wrap: pretty;
}

.article__lead {
  margin-top: 24px;
  color: var(--body);
  font-family: var(--serif);
  font-size: clamp(17px, 1.7vw, 20px);
  line-height: 2;
}

.article__image {
  margin-top: clamp(34px, 5vw, 56px);
}

.article__image div {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--paper-soft);
}

.article__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article__image figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}

.article__body {
  display: grid;
  gap: 26px;
  max-width: 700px;
  margin-top: clamp(42px, 6vw, 68px);
}

.article__body h2 {
  margin-top: 10px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 500;
  line-height: 1.48;
}

.article__body p {
  color: var(--body);
  line-height: 2.05;
}

.article-note {
  display: grid;
  gap: 10px;
  margin-top: 10px;
  padding: 22px 0;
  border-block: 1px solid var(--line);
}

.article-note h3 {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 500;
}

.article-note p {
  color: var(--muted);
  font-size: 14px;
}

/* アクションレール（Instagram型・右側に縦並び） */
.lmj-share {
  position: fixed;
  right: 10px;
  bottom: clamp(110px, 22vh, 220px);
  z-index: 50;
}

.lmj-share__actions {
  display: grid;
  gap: 14px;
  justify-items: center;
}

.lmj-share__item {
  display: grid;
  gap: 3px;
  justify-items: center;
}

.lmj-share__item[hidden],
.lmj-share__hint[hidden] {
  display: none;
}

.lmj-share__button {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  padding: 0;
  color: var(--ink);
  background: color-mix(in oklab, var(--paper) 96%, transparent);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease;
  -webkit-tap-highlight-color: transparent;
}

.lmj-share__button svg {
  width: 22px;
  height: 22px;
  display: block;
}

.lmj-share__button:hover,
.lmj-share__button:focus-visible {
  color: var(--burgundy);
  border-color: var(--burgundy);
}

.lmj-share__button.is-on {
  color: var(--burgundy);
}

.lmj-share__count {
  min-height: 1.2em;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.lmj-share__hint {
  position: fixed;
  right: 66px;
  bottom: clamp(110px, 22vh, 220px);
  padding: 8px 14px;
  color: var(--paper);
  background: var(--ink);
  font-size: 12px;
  line-height: 1.5;
  white-space: nowrap;
}

.advice-list {
  display: grid;
  gap: 0;
  margin-top: 8px;
  border-top: 1px solid var(--line);
}

.advice-card {
  display: grid;
  gap: 10px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.advice-card__label {
  color: var(--burgundy);
  font-family: var(--roman);
  font-size: 14px;
  font-style: italic;
  line-height: 1.35;
}

.advice-card h3 {
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(20px, 2vw, 25px);
  font-weight: 500;
  line-height: 1.5;
}

.advice-card__answer {
  color: var(--body);
}

.advice-card__phrase {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.9;
}

.series-article-list {
  display: grid;
  gap: 0;
  margin-top: 10px;
  border-top: 1px solid var(--line);
}

.series-article-card {
  display: grid;
  grid-template-columns: minmax(110px, 168px) 1fr;
  gap: clamp(18px, 3vw, 30px);
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.series-article-card__image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--paper-soft);
}

.series-article-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.series-article-card__body {
  display: grid;
  gap: 7px;
}

.series-article-card__label {
  color: var(--burgundy);
  font-family: var(--roman);
  font-size: 13px;
  font-style: italic;
  line-height: 1.35;
}

.series-article-card h3 {
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 500;
  line-height: 1.45;
}

.series-article-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.article-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 10px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.article-nav a {
  min-height: 66px;
  padding: 9px 10px;
  color: var(--muted);
  border: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.5;
  -webkit-tap-highlight-color: transparent;
}

.article-nav__link--article {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}

.article-nav__link--plain {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  font-weight: 600;
}

.article-nav__thumb {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--paper-soft);
}

.article-nav__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-nav__copy {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.article-nav__label {
  color: var(--burgundy);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.article-nav__title {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 13.5px;
  line-height: 1.55;
}

.lmj-pager {
  width: min(100%, 820px);
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 54px) clamp(30px, 6vw, 56px);
}

.lmj-pager__guide {
  margin: 0 0 12px;
  color: var(--burgundy);
  font-family: var(--roman);
  font-size: 13px;
  font-style: italic;
  line-height: 1.4;
}

.lmj-pager__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 12px;
}

.lmj-pager__card {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 13px;
  align-items: center;
  min-height: 112px;
  padding: 12px;
  color: var(--body);
  background: #fff;
  border: 1px solid var(--line);
  -webkit-tap-highlight-color: transparent;
}

.lmj-pager__card--next {
  border-color: color-mix(in oklab, var(--burgundy) 42%, var(--line));
}

.lmj-pager__thumb {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--paper-soft);
}

.lmj-pager__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lmj-pager__copy {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.lmj-pager__label {
  color: var(--burgundy);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.lmj-pager__title {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.55;
}

.lmj-pager__hint {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

.lmj-pager__home {
  display: block;
  width: 100%;
  margin-top: 12px;
  padding: 12px 14px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0;
  font: 600 12px/1.4 var(--sans);
  letter-spacing: 0.04em;
}

.footer {
  padding: 28px clamp(18px, 4vw, 54px) 42px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 12px;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  width: min(100%, 1180px);
  margin: 0 auto;
  justify-content: space-between;
}

@media (min-width: 780px) {
  .nav {
    display: flex;
  }
}

@media (max-width: 520px) {
  .site-header {
    grid-template-columns: 1fr;
  }

  .lmj-share__actions {
    gap: 12px;
  }

  .lmj-share__button {
    width: 44px;
    height: 44px;
  }

  .article__image div {
    aspect-ratio: 4 / 5;
  }

  .series-article-card {
    grid-template-columns: 96px 1fr;
    gap: 14px;
    padding: 18px 0;
  }

  .lmj-pager__grid {
    grid-template-columns: 1fr;
  }

  .lmj-pager__card--prev {
    min-height: 84px;
    opacity: 0.78;
  }

  .lmj-pager__card--prev .lmj-pager__thumb {
    display: none;
  }

  .lmj-pager__card--prev {
    grid-template-columns: 1fr;
  }
}