/* ==========================================================================
   高田崇史 Official Web Site — トップページ
   design_handoff_top_page_renewal/design.html を元にしたHTML/CSS実装
   ========================================================================== */

:root {
  --color-bg: #fdf6d4;
  --color-bg-stripe: #faefb0;
  --color-bg-card: #fffef2;
  --color-white: #fff;
  --color-accent: #f5df4d;
  --color-text: #2b2a1f;
  --color-text-mid: #3a3826;
  --color-text-soft: #5a5540;
  --color-sub: #8c8563;
  --color-sub-light: #a39a5c;
  --color-border: #f0e9b8;
  --color-link-hover: #8a7f1a;
  --color-profile-bg: #fffbe6;

  --font-serif: "Shippori Mincho", serif;
  --font-sans: "Noto Sans JP", sans-serif;

  --radius-card: 10px;
  --radius-pill: 20px;

  --shadow-new-book: 0 8px 24px rgba(60, 50, 0, 0.08);
  --shadow-past-book: 0 4px 14px rgba(60, 50, 0, 0.05);
  --shadow-x-timeline: 0 6px 20px rgba(60, 50, 0, 0.06);

  --container-max: 1280px;
  --container-padding: 48px;
}

/* --------------------------------------------------------------------
   base
   -------------------------------------------------------------------- */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  font-family: var(--font-sans);
  color: var(--color-text);
}

a {
  color: var(--color-text);
  text-decoration: none;
}

a:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

img {
  max-width: 100%;
}

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

.page {
  width: 100%;
  background: var(--color-bg-card);
}

/* --------------------------------------------------------------------
   shared: section heading (英語斜体 + 日本語ラベル)
   -------------------------------------------------------------------- */

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 22px;
  border-bottom: 2px solid var(--color-text);
  padding-bottom: 10px;
}

.section-heading__en {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 800;
  font-size: 22px;
  color: var(--color-text);
}

.section-heading__ja {
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--color-sub);
}

.section-heading--small {
  gap: 10px;
}

.section-heading--small .section-heading__en {
  font-size: 18px;
}

.section-heading--small .section-heading__ja {
  font-size: 11.5px;
  letter-spacing: 0.1em;
}

/* --------------------------------------------------------------------
   top banner
   -------------------------------------------------------------------- */

.top-banner {
  width: 100%;
  margin: 0;
  background: var(--color-accent);
  text-align: center;
  padding: 7px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-text);
  font-weight: 500;
}

/* --------------------------------------------------------------------
   header
   -------------------------------------------------------------------- */

.site-header {
  width: 100%;
}

.site-header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px var(--container-padding);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.site-header__brand {
  min-width: 0;
}

.site-header__brand-link {
  display: block;
}

.site-header__brand-link:hover {
  text-decoration: none;
}

.site-header__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 24px;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--color-text);
  white-space: nowrap;
}

.site-header__subtitle {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.24em;
  color: var(--color-sub-light);
  white-space: nowrap;
  font-style: italic;
}

.site-header__nav {
  display: flex;
  gap: 22px;
  font-size: 14px;
  font-weight: 500;
  flex-wrap: wrap;
}

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

.hero {
  width: 100%;
  background: var(--color-bg-card);
}

.hero__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.hero__image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  object-position: center 25%;
}

/* --------------------------------------------------------------------
   new books
   -------------------------------------------------------------------- */

.new-books {
  width: 100%;
  padding: 48px 0 40px;
  background: repeating-linear-gradient(
    45deg,
    var(--color-bg) 0 14px,
    var(--color-bg-stripe) 14px 28px
  );
}

.new-books__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.new-books__card {
  background: var(--color-bg-card);
  border-radius: var(--radius-card);
  padding: 40px;
}

.new-books__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 28px;
}

/* --------------------------------------------------------------------
   book card (新刊 / 過去の書籍紹介 で共用)
   -------------------------------------------------------------------- */

.book-card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-new-book);
  display: flex;
  flex-direction: column;
}

.book-card__image {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4.2;
  object-fit: cover;
}

.book-card__body {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.book-card__badge {
  display: inline-block;
  width: fit-content;
  background: var(--color-accent);
  color: var(--color-text);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 11px;
  border-radius: var(--radius-pill);
}

.book-card__title {
  margin: 2px 0 0;
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.4;
  color: var(--color-text);
}

.book-card__meta {
  margin: 0;
  font-size: 12.5px;
  color: var(--color-sub-light);
}

.book-card__desc {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--color-text-soft);
  flex: 1;
}

/* compact modifier: 過去の書籍紹介（横並びカード） */

.book-card--compact {
  flex-direction: row;
  gap: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 14px;
  box-shadow: var(--shadow-past-book);
}

.book-card--compact .book-card__image {
  width: 78px;
  height: 110px;
  aspect-ratio: auto;
  flex: none;
}

.book-card--compact .book-card__body {
  padding: 0;
  gap: 5px;
  min-width: 0;
}

.book-card--compact .book-card__title {
  margin: 0;
  font-size: 15px;
}

.book-card--compact .book-card__meta {
  font-size: 11.5px;
}

.book-card--compact .book-card__desc {
  font-size: 12.5px;
  line-height: 1.7;
}

.book-card__desc--clamp {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --------------------------------------------------------------------
   two column main
   -------------------------------------------------------------------- */

.main {
  width: 100%;
  border-top: 1px solid var(--color-border);
}

.main__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 340px;
  padding: 0 var(--container-padding);
}

.main__primary {
  padding: 44px 32px 44px 0;
  display: flex;
  flex-direction: column;
  gap: 52px;
  border-right: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------
   news
   -------------------------------------------------------------------- */

.news__list {
  display: flex;
  flex-direction: column;
}

.news__item {
  display: flex;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--color-border);
}

.news__date {
  flex: none;
  width: 110px;
  font-size: 12.5px;
  color: var(--color-sub-light);
  padding-top: 2px;
}

.news__text {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--color-text-mid);
}

.news__note {
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--color-sub-light);
}

/* --------------------------------------------------------------------
   essay
   -------------------------------------------------------------------- */

.essay__list {
  display: flex;
  flex-direction: column;
}

.essay__item {
  display: block;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}

.essay__date {
  display: block;
  font-size: 12.5px;
  color: var(--color-sub-light);
  margin-bottom: 6px;
}

.essay__title {
  display: block;
  font-family: var(--font-serif);
  font-size: 16.5px;
  color: var(--color-text);
  margin-bottom: 6px;
}

.essay__excerpt {
  display: block;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--color-text-soft);
}

/* --------------------------------------------------------------------
   book intro (過去の書籍紹介)
   -------------------------------------------------------------------- */

.book-intro__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.book-intro__more {
  margin-top: 28px;
  text-align: center;
}

/* --------------------------------------------------------------------
   profile
   -------------------------------------------------------------------- */

.profile__card {
  display: flex;
  gap: 28px;
  background: var(--color-profile-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 28px;
}

.profile__photo {
  display: block;
  width: 150px;
  height: 190px;
  flex: none;
  border-radius: var(--radius-card);
  object-fit: cover;
}

.profile__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.profile__name {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--color-text);
}

.profile__bio {
  margin: 0;
  font-size: 14px;
  line-height: 1.95;
  color: var(--color-text-mid);
}

/* --------------------------------------------------------------------
   X timeline (aside)
   -------------------------------------------------------------------- */

.x-timeline {
  padding: 44px 0 44px 28px;
  background: var(--color-bg);
}

.x-timeline__sticky {
  position: sticky;
  top: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.x-timeline__card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-x-timeline);
}

/* --------------------------------------------------------------------
   footer
   -------------------------------------------------------------------- */

.site-footer {
  width: 100%;
  background: var(--color-accent);
}

.site-footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 30px var(--container-padding);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--color-text);
}

.site-footer__nav {
  display: flex;
  gap: 18px;
}