@charset "UTF-8";

/* ============================================================
   TOPICS
============================================================ */

/* ============================================================
   ANIMATIONS
============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes charaIn {
  from { opacity: 0; transform: translateX(-18px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes charaBob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ============================================================
   HERO
============================================================ */
.hero {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: transparent;
  padding: 0;
}

.hero-upper {
  position: relative;
  width: 100%;
  overflow: visible;
  padding: 0;
  background: linear-gradient(
    180deg,
    #8ecce8 0%,
    #a8d9ef 35%,
    #c8e8f5 55%,
    transparent 80%
  );
}

.hero-bg-text-wrap {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1360px;
  bottom: -56px;
  pointer-events: none;
  z-index: 2;
}

.hero-bg-text {
  position: absolute;
  font-weight: 900;
  letter-spacing: -.04em;
  line-height: 0.88;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  will-change: transform;
}

.hero-bg-text--bottom {
  top: -0.05em;
  left: -0.02em;
  font-size: clamp(83px, 17.4vw, 244px);
  color: rgba(255,255,255,.48);
}

.hero-upper-inner {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: flex-end;
  max-width: 1300px;
  margin: 0 auto;
  padding: 32px 5% 56px;
  gap: 0;
}

.hero-chara-col {
  flex: 0 0 auto;
  width: clamp(200px, 26vw, 340px);
  align-self: flex-end;
  position: relative;
  z-index: 20;
  margin-right: -1%;
  margin-bottom: -2%;
  animation: charaIn .9s var(--ease) .28s both;
}

.hero-chara-img {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 8px 20px rgba(0,30,60,.15));
  animation: charaBob 4.2s ease-in-out infinite;
}

.hero-copy-col {
  flex: 1 1 auto;
  min-width: 0;
  position: relative;
  z-index: 10;
  padding-bottom: 24px;
}

.hero-copy-eyebrow {
  display: inline-block;
  font-size: clamp(10px, 1.6vw, 24px);
  font-weight: 700;
  letter-spacing: .18em;
  color: #fff;
  background: #111;
  padding: 3px 10px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  line-height: 2.4;
  transform: rotate(-2deg);
  transform-origin: left center;
  margin-bottom: -14px;
  top: 18px;
  margin-left: -18px;
  position: relative;
  z-index: 2;
}

.hero-h1 {
  font-size: clamp(16px, 4.4vw, 49px);
  font-weight: 900;
  line-height: 1.7;
  letter-spacing: -.04em;
  color: #1a1a1a;
  margin: 3% 0 0;
  position: relative;
  z-index: 1;
}

.hero-h1-inner {
  display: inline;
  background: #fff;
  padding: 4px 10px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* ============================================================
   ARCHIVE
============================================================ */
.topics-archive {
  padding: 18px 0 100px;
}

.topics-archive__inner {
  width: min(1280px, calc(100% - 40px));
  margin: 0 auto;
}

.topics-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
  align-items: stretch;
}

.topics-card {
  min-width: 0;
}

.topics-card__link {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border-radius: 28px;
  text-decoration: none;
  background:
    linear-gradient(180deg, rgba(255,255,255,.96) 0%, rgba(248,252,255,.88) 100%);
  border: 1px solid rgba(var(--border-r), var(--border-g), var(--border-b), .08);
  box-shadow:
    0 18px 48px rgba(var(--shadow-r), var(--shadow-g), var(--shadow-b), .08),
    0 0 0 1px rgba(255,255,255,.35) inset;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition:
    transform .35s ease,
    box-shadow .35s ease,
    border-color .35s ease;
}

.topics-card__link:hover {
  transform: translateY(-8px);
  box-shadow:
    0 24px 64px rgba(var(--shadow-r), var(--shadow-g), var(--shadow-b), .12),
    0 0 0 1px rgba(255,255,255,.45) inset;
  border-color: rgba(142, 204, 232, .55);
}

.topics-card__thumb-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(142,204,232,.55), rgba(200,232,245,.9));
}

.topics-card__thumb {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform .6s ease;
}

.topics-card__link:hover .topics-card__thumb {
  transform: scale(1.05);
}

.topics-card__thumb--placeholder {
  background:
    linear-gradient(135deg, rgba(142,204,232,.72), rgba(255,255,255,.94)),
    linear-gradient(180deg, rgba(255,255,255,.25), rgba(255,255,255,0));
}

.topics-card__body {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  padding: 24px 24px 22px;
}

.topics-card__date {
  display: inline-block;
  margin: 0 0 12px;
  font-family: var(--font-ui, "Inter", sans-serif);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: rgba(var(--soft-r), var(--soft-g), var(--soft-b), .98);
}

.topics-card__title {
  margin: 0 0 14px;
  font-size: clamp(20px, 1.7vw, 26px);
  line-height: 1.4;
  letter-spacing: -.035em;
  color: rgb(var(--text-r), var(--text-g), var(--text-b));
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.topics-card__excerpt {
  margin: 0;
  font-size: 14px;
  line-height: 1.95;
  color: rgba(var(--muted-r), var(--muted-g), var(--muted-b), .88);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.topics-card__more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 22px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--accent, #4a7cff);
}

.topics-card__more-arrow {
  transition: transform .25s ease;
}

.topics-card__link:hover .topics-card__more-arrow {
  transform: translateX(4px);
}

/* ============================================================
   PAGINATION
============================================================ */
.topics-pagination {
  margin-top: 44px;
}

.topics-pagination .nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.topics-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 46px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(var(--border-r), var(--border-g), var(--border-b), .12);
  background: rgba(255,255,255,.86);
  color: rgb(var(--text-r), var(--text-g), var(--text-b));
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(var(--shadow-r), var(--shadow-g), var(--shadow-b), .05);
}

.topics-pagination .page-numbers.current {
  background: #111;
  color: #fff;
  border-color: #111;
}

.topics-pagination .page-numbers:hover {
  opacity: .78;
}

.topics-empty {
  padding: 72px 24px;
  border-radius: 24px;
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(var(--border-r), var(--border-g), var(--border-b), .08);
  text-align: center;
  box-shadow: 0 12px 36px rgba(var(--shadow-r), var(--shadow-g), var(--shadow-b), .05);
}

.topics-empty p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(var(--muted-r), var(--muted-g), var(--muted-b), .86);
}

/* ============================================================
   SINGLE
============================================================ */
.hero-panel-wrap {
  position: relative;
  z-index: 5;
  width: 100%;
  padding: 0 5% 72px;
}

.hero-panel {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 48px 56px;
  background: #fff;
  border-radius: 24px;
  border: 1px solid rgba(0,0,0,.07);
  box-shadow: 0 8px 40px rgba(21,41,84,.08);
  overflow: hidden;
}

.hero-panel-inner {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.area-page-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .24em;
  color: rgba(var(--soft-r), var(--soft-g), var(--soft-b), .78);
}

.area-page-hero__lead {
  font-weight: 600;
  margin: 0 0 2em;
  font-size: clamp(14px, 1.3vw, 17px);
  line-height: 1.95;
  color: rgb(var(--text-r), var(--text-g), var(--text-b));
}

.nt-fast-heading {
  margin-bottom: 15px;
}

.nt-fast-heading h1 {
  font-size: clamp(26px, 3.4vw, 44px);
  font-weight: 900;
  letter-spacing: -.045em;
  line-height: 1.25;
  margin: 0;
  color: rgb(var(--text-r), var(--text-g), var(--text-b));
}

.topics-single__content {
  margin-top: 40px;
}

.topics-single__content > *:first-child {
  margin-top: 0;
}

.topics-single__content h2 {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.4;
  font-weight: 800;
  letter-spacing: -.03em;
  margin: 2.8em 0 .9em;
  color: rgb(var(--text-r), var(--text-g), var(--text-b));
}

.topics-single__content h3 {
  font-size: clamp(19px, 2.1vw, 24px);
  line-height: 1.5;
  font-weight: 700;
  margin: 2.2em 0 .8em;
  color: rgb(var(--text-r), var(--text-g), var(--text-b));
}

.topics-single__content p {
  font-size: 15px;
  line-height: 2;
  margin: 0 0 1.4em;
  color: rgba(var(--muted-r), var(--muted-g), var(--muted-b), .92);
}

.topics-single__content ul,
.topics-single__content ol {
  margin: 0 0 1.6em 1.4em;
  line-height: 1.9;
  color: rgba(var(--muted-r), var(--muted-g), var(--muted-b), .92);
}

.topics-single__content li + li {
  margin-top: .45em;
}

.topics-single__content img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 16px;
  margin: 2em auto;
}

.topics-single__content a {
  text-decoration: underline;
  text-underline-offset: .16em;
}

.topics-single__content strong {
  font-weight: 700;
  color: rgb(var(--text-r), var(--text-g), var(--text-b));
}

.topics-single__content blockquote {
  margin: 2em 0;
  padding: 1.2em 1.4em;
  border-left: 4px solid rgba(var(--soft-r), var(--soft-g), var(--soft-b), .55);
  background: rgba(255,255,255,.6);
  border-radius: 10px;
}

.topics-single__content hr {
  border: 0;
  border-top: 1px solid rgba(var(--border-r), var(--border-g), var(--border-b), .14);
  margin: 2.4em 0;
}

.topics-single__pager {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid rgba(var(--border-r), var(--border-g), var(--border-b), .12);
}

.topics-single__pager-item--prev {
  text-align: left;
}

.topics-single__pager-item--next {
  text-align: right;
}

.topics-single__pager a,
.topics-single__pager span {
  font-size: 14px;
  line-height: 1.8;
}

.topics-single__pager a {
  text-decoration: none;
  color: rgb(var(--text-r), var(--text-g), var(--text-b));
  font-weight: 700;
}

.topics-single__pager-back a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(var(--border-r), var(--border-g), var(--border-b), .12);
  background: rgba(255,255,255,.82);
}

.topics-single__pager-item a:hover,
.topics-single__pager-back a:hover {
  opacity: .75;
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1180px) {
  .topics-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1100px) {
  .hero-upper-inner {
    padding: 24px 5% 48px;
  }

  .hero-panel {
    padding: 72px 5% 36px;
  }
}

@media (max-width: 900px) {
  .topics-single__pager {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .topics-single__pager-item--prev,
  .topics-single__pager-item--next,
  .topics-single__pager-back {
    text-align: center;
  }
}

@media (max-width: 767px) {
  .hero-bg-text--bottom {
    font-size: clamp(44px, 15vw, 90px);
  }

  .hero-upper-inner {
    display: block;
    padding: 16px 4% 40px;
    position: relative;
  }

  .hero-chara-col {
    width: 31%;
    margin-right: 0;
    margin-bottom: 0;
    position: absolute;
    top: 11%;
  }

  .hero-copy-col {
    padding: 30% 0 24px;
  }

  .hero-copy-eyebrow {
    font-size: clamp(10px, 4.6vw, 32px);
    margin-bottom: 0;
    top: 27%;
    margin-left: 0;
    position: absolute;
    left: 32%;
  }

  .hero-h1 {
    font-size: clamp(16px, 5.9vw, 40px);
  }

  .topics-archive {
    padding: 8px 0 72px;
  }

  .topics-archive__inner {
    width: min(100%, calc(100% - 24px));
  }

  .topics-card-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .topics-card__link {
    border-radius: 20px;
  }

  .topics-card__body {
    padding: 20px 18px 18px;
  }

  .topics-card__title {
    font-size: 20px;
  }

  .hero-panel-wrap {
    padding: 0 4% 40px;
  }

  .hero-panel {
    padding: 52px 24px 28px;
    border-radius: 16px;
  }

  .area-page-hero__lead {
    font-size: 14px;
  }

  .topics-single__content {
    margin-top: 32px;
  }

  .topics-single__content h2 {
    font-size: 24px;
  }

  .topics-single__content h3 {
    font-size: 19px;
  }

  .topics-single__content p,
  .topics-single__content ul,
  .topics-single__content ol {
    font-size: 14px;
  }
}
/* ============================================================
   PLACEHOLDER（7BEE仕様）
============================================================ */

.topics-card__thumb--placeholder {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;

  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.6), transparent 40%),
    linear-gradient(135deg, #8ecce8 0%, #c8e8f5 60%, #ffffff 100%);
}

/* ガラスっぽいライン */
.topics-card__thumb--placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      120deg,
      transparent 30%,
      rgba(255,255,255,.4) 48%,
      transparent 65%
    );
  opacity: .6;
}

/* ノイズ的な薄い装飾 */
.topics-card__thumb--placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      45deg,
      rgba(255,255,255,.05) 0,
      rgba(255,255,255,.05) 2px,
      transparent 2px,
      transparent 6px
    );
  mix-blend-mode: overlay;
}

/* 文字 */
.topics-card__thumb-text {
  position: relative;
  z-index: 2;

  font-family: "Inter", sans-serif;
  font-weight: 900;
  font-size: clamp(18px, 2vw, 26px);
  letter-spacing: .18em;

  color: rgba(0,0,0,.6);
}

/* hoverで少し変化 */
.topics-card__link:hover .topics-card__thumb--placeholder {
  filter: brightness(1.05);
}
/* ============================================================
   RELATED POSTS
============================================================ */
.topics-related {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid rgba(var(--border-r), var(--border-g), var(--border-b), .12);
}

.topics-related__head {
  margin-bottom: 22px;
}

.topics-related__eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-ui, "Inter", sans-serif);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .18em;
  color: rgba(var(--soft-r), var(--soft-g), var(--soft-b), .9);
}

.topics-related__title {
  margin: 0;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.35;
  letter-spacing: -.03em;
  color: rgb(var(--text-r), var(--text-g), var(--text-b));
}

.topics-related__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.topics-related-card {
  min-width: 0;
}

.topics-related-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border-radius: 22px;
  text-decoration: none;
  background: linear-gradient(180deg, rgba(255,255,255,.95) 0%, rgba(248,252,255,.88) 100%);
  border: 1px solid rgba(var(--border-r), var(--border-g), var(--border-b), .08);
  box-shadow: 0 14px 36px rgba(var(--shadow-r), var(--shadow-g), var(--shadow-b), .06);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.topics-related-card__link:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(var(--shadow-r), var(--shadow-g), var(--shadow-b), .1);
  border-color: rgba(142, 204, 232, .55);
}

.topics-related-card__thumb-wrap {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(142,204,232,.55), rgba(200,232,245,.9));
}

.topics-related-card__thumb {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform .5s ease;
}

.topics-related-card__link:hover .topics-related-card__thumb {
  transform: scale(1.05);
}

.topics-related-card__thumb--placeholder {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.6), transparent 40%),
    linear-gradient(135deg, #8ecce8 0%, #c8e8f5 60%, #ffffff 100%);
}

.topics-related-card__thumb--placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      120deg,
      transparent 30%,
      rgba(255,255,255,.4) 48%,
      transparent 65%
    );
  opacity: .6;
}

.topics-related-card__thumb-text {
  position: relative;
  z-index: 2;
  font-family: "Inter", sans-serif;
  font-weight: 900;
  font-size: clamp(16px, 1.6vw, 22px);
  letter-spacing: .18em;
  color: rgba(0,0,0,.6);
}

.topics-related-card__body {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  padding: 18px 18px 16px;
}

.topics-related-card__date {
  display: inline-block;
  margin: 0 0 10px;
  font-family: var(--font-ui, "Inter", sans-serif);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  color: rgba(var(--soft-r), var(--soft-g), var(--soft-b), .95);
}

.topics-related-card__title {
  margin: 0;
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.5;
  letter-spacing: -.025em;
  color: rgb(var(--text-r), var(--text-g), var(--text-b));
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.topics-related-card__more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--accent, #4a7cff);
}

.topics-related-card__more-arrow {
  transition: transform .25s ease;
}

.topics-related-card__link:hover .topics-related-card__more-arrow {
  transform: translateX(4px);
}

@media (max-width: 900px) {
  .topics-related__grid {
    grid-template-columns: 1fr;
  }
}