/* =====================================================
   I'm Hopping — Page-specific styles (v3 / Refined)
   ===================================================== */

/* =========================
 * Hero (TOP) — split layout: text left + illustration right
 * ========================= */
.hero {
  position: relative;
  padding-block: var(--space-lg) var(--space-xl);
  /* 左上=白系の青 → 右下=現状のグリーンライト の対角グラデーション */
  background: linear-gradient(135deg, #EAF2FF 0%, var(--color-green-light) 100%);
  overflow: hidden;
}
@media (min-width: 1024px) {
  .hero {
    padding-block: var(--space-md) var(--space-lg);  /* 上下の余白を縮める */
    min-height: 520px;                                /* 旧 640px → 520px */
  }
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  align-items: center;
  min-height: 420px;        /* SP/TB でも背景イラストがしっかり見えるよう最低高さを確保 */
}
@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1.25fr 1fr;   /* PC は左右2カラム */
    gap: var(--space-lg);
    min-height: 0;
  }
}

.hero__content {
  max-width: 640px;
  position: relative;
  z-index: 2;               /* イラストより前面 */
}

/* デフォルト（SP / TB）: イラストはテキスト背景として絶対配置で重ねる */
.hero__illust {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  margin: 0;
  aspect-ratio: auto;
  z-index: 0;               /* テキスト(z:2)の背後 */
  opacity: 0.55;            /* テキストの可読性を確保するため半透明化 */
  pointer-events: none;
  user-select: none;
}
.hero__illust img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  /* ゆっくり回転し続けるアニメ（360秒＝6分で1周） */
  animation: hero-illust-spin 360s linear infinite;
  transform-origin: 50% 50%;
  will-change: transform;
}

@keyframes hero-illust-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* OS で「視差効果を減らす」が有効な場合は回転を止める */
@media (prefers-reduced-motion: reduce) {
  .hero__illust img {
    animation: none;
  }
}

/* PC: 右カラムにイラストを通常配置（不透明） */
@media (min-width: 1024px) {
  .hero__illust {
    position: relative;
    inset: auto;
    width: 100%;
    max-width: 744px;
    aspect-ratio: 1 / 1;
    margin: 0;
    justify-self: end;
    opacity: 1;
  }
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-en-sans);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-text-sub);
  background: transparent;
  padding: 0;
  border-radius: 0;
  margin-bottom: var(--space-md);
  line-height: 1;
}

.hero__h1 {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
}

.hero__tagline {
  font-family: var(--font-en-serif);
  font-style: normal;
  font-weight: var(--fw-bold);
  font-size: var(--fs-hero-en);
  line-height: var(--lh-hero);
  color: var(--color-text);
  letter-spacing: var(--tracking-snug);
}
.hero__tagline > span {
  display: block;
  color: var(--color-text);
}

/* Backwards compat — `--serif` modifier */
.hero__tagline--serif {
  font-family: var(--font-en-serif);
  font-weight: var(--fw-bold);
  font-style: normal;
  color: var(--color-text);
  letter-spacing: var(--tracking-snug);
}
.hero__tagline--serif > span { color: var(--color-text); }

.hero__sub-jp {
  font-family: var(--font-jp);
  font-size: var(--fs-hero-jp);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  line-height: 1.5;
  letter-spacing: var(--tracking-snug);
  margin-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 0.2em;
}
.hero__sub-jp-line { display: block; }

/* PC では「想いと、跳ねる。あなたの核を、価値にする。」を 1 行に */
@media (min-width: 1024px) {
  .hero__sub-jp {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 0.4em;
    white-space: nowrap;
    /* 18文字を1行で収めるため、ヒーロー JP のサイズを少し縮める */
    font-size: clamp(1.5rem, 2.4vw, 1.875rem);  /* 24〜30px */
  }
}

.hero__lead {
  font-size: var(--fs-body);
  color: var(--color-text);
  max-width: 36em;            /* 「実装する。」までを1行で収め、<br>後を1行に */
  margin-top: var(--space-md);
  margin-bottom: var(--space-md);
  line-height: var(--lh-base);
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
}
@media (min-width: 768px) {
  .hero__actions {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: var(--space-md);
  }
}

/* Hero text link */
.hero__textlink {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-jp);
  font-size: var(--fs-body);
  font-weight: var(--fw-medium);
  color: var(--color-btn-primary);
  text-decoration: none;
  padding: 4px 2px;
  transition: opacity 0.2s ease;
}
.hero__textlink-arrow {
  display: inline-block;
  transition: transform 0.3s var(--ease);
}
@media (hover: hover) {
  .hero__textlink:hover {   opacity: 0.7; }
}
@media (hover: hover) {
  .hero__textlink:hover .hero__textlink-arrow {
    transform: translateX(4px);}
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}
.hero__meta-item {
  font-size: var(--fs-small);
  color: var(--color-text-sub);
  font-weight: var(--fw-medium);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.hero__meta-item .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-green);
  display: inline-block;
}

.hero__visual { display: none; }

/* =========================
 * Page hero (About / Services)
 * ========================= */
.page-hero {
  padding-block: var(--space-lg) var(--space-xl);
  background: var(--color-green-light);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.page-hero > .container {
  position: relative;
  z-index: 1;
}
.page-hero__h1 {
  font-size: var(--fs-h1);
  line-height: var(--lh-tight);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
  margin-bottom: var(--space-md);
  color: var(--color-text);
}
.page-hero__h1--jp { font-family: var(--font-jp); }
.page-hero__tagline {
  font-family: var(--font-en-serif);
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--color-btn-primary);
  letter-spacing: var(--tracking-snug);
  margin-bottom: var(--space-md);
}
.page-hero__lead {
  font-size: var(--fs-body);
  max-width: 38em;
  color: var(--color-text);
}

/* =========================
 * Issues grid (legacy)
 * ========================= */
.issues-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}
@media (min-width: 768px) {
  .issues-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .issues-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }
}

/* =========================
 * Section: 6つの「伝わらない」問題
 * ========================= */
.section--issues {
  padding-block: var(--section-py);
}
.issues-head {
  text-align: center;
  max-width: 880px;
  margin: 0 auto var(--space-xl);
}
.issues-title {
  font-family: var(--font-jp);
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
  line-height: 1.5;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}
.issues-lead {
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--color-text-sub);
  max-width: 760px;
  margin: 0 auto;
}

.issues-list {
  display: grid;
  grid-template-columns: 1fr;
  column-gap: var(--space-lg);
  row-gap: var(--space-lg);
  max-width: 1100px;
  margin: 0 auto;
}
@media (min-width: 768px) {
  .issues-list { grid-template-columns: repeat(2, 1fr); }
}

.issue {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-md);
  align-items: start;
}
@media (min-width: 1024px) {
  .issue {
    grid-template-columns: 140px 1fr;
    gap: var(--space-md);
  }
}
.issue__figure { display: block; }
.issue__figure img {
  width: 100%;
  height: auto;
  display: block;
  user-select: none;
  aspect-ratio: 1 / 1;   /* CLS対策: イラスト読込前にも領域を確保 */
  object-fit: contain;
}
.issue__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.issue__title {
  font-family: var(--font-jp);
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
  line-height: 1.55;
  color: var(--color-text);
  margin: 0 0 var(--space-xs);
}
.issue__body p {
  font-size: var(--fs-small);
  line-height: var(--lh-base);
  color: var(--color-text);
  margin: 0;
}
.issue__link {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
  font-family: var(--font-jp);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-btn-primary);
  text-decoration: none;
  padding: 2px 0;
  transition: opacity 0.2s ease;
}
.issue__link span {
  display: inline-block;
  transition: transform 0.3s var(--ease);
}
@media (hover: hover) {
  .issue__link:hover {   opacity: 0.7; }
}
@media (hover: hover) {
  .issue__link:hover span {   transform: translateX(4px); }
}

@media (max-width: 559px) {
  .issue { grid-template-columns: 1fr; }
  .issue__figure { max-width: 140px; }
}

/* =========================
 * About page — intro block (matches hero left edge)
 * ========================= */
.about-intro {
  max-width: 720px;
  text-align: left;
}
.about-intro .section-heading {
  text-align: left;
  margin-bottom: var(--space-md);
}
.about-intro p {
  text-align: left;
  margin-bottom: var(--space-sm);
}

/* =========================
 * Section: About v3 (3 circles + 2x2)
 * ========================= */
.section--about-v3 {
  padding-block: var(--section-py);
  position: relative;
  overflow: hidden;
}

.about-hero {
  position: relative;
  margin-bottom: var(--space-xl);
  min-height: 480px;
  max-width: 1080px;
  margin-inline: auto;
  isolation: isolate;
}
.about-hero__text {
  position: relative;
  z-index: 2;
  max-width: 820px;
  padding-block: var(--space-lg);
}
.about-hero__title {
  font-family: var(--font-jp);
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
  line-height: 1.4;
  color: var(--color-black);
  margin: 0 0 var(--space-md);
  max-width: 16em;
}
.about-hero__lead { margin-bottom: var(--space-md); }
.about-hero__lead p {
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--color-black);
  margin: 0 0 var(--space-xs);
  max-width: 34em;
}
.about-hero__lead p:last-child { margin-bottom: 0; }

.about-hero__btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 32px;
  background: transparent;
  border: 1.5px solid var(--color-black);
  border-radius: 999px;
  color: var(--color-black);
  font-family: var(--font-jp);
  font-size: var(--fs-body);
  font-weight: var(--fw-medium);
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
.about-hero__btn span {
  display: inline-block;
  transition: transform 0.3s var(--ease);
}
@media (hover: hover) {
  .about-hero__btn:hover {
    background: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
    opacity: 1;}
}
@media (hover: hover) {
  .about-hero__btn:hover span {   transform: translateX(4px); }
}

/* Three circles positioned on the right — text overlaps in front */
.about-hero__visual {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  z-index: 1;
  pointer-events: none;
  width: clamp(320px, 50vw, 460px);
  display: block;
}
@media (min-width: 900px) {
  .about-hero__visual {
    right: 0;
    width: clamp(380px, 38%, 480px);
  }
}
.about-circles {
  width: 100%;
  height: auto;
  display: block;
}

/* Bottom: 4 compact text blocks (2 x 2) */
.about-mini-grid {
  display: grid;
  grid-template-columns: 1fr;
  column-gap: var(--space-lg);
  row-gap: var(--space-lg);
  max-width: 1080px;
  margin: 0 auto;
}
@media (min-width: 768px) {
  .about-mini-grid { grid-template-columns: repeat(2, 1fr); }
  /* Stagger the right column 48px lower for a rhythmic layout */
  .about-mini-grid > :nth-child(even) {
    margin-top: var(--space-lg);
  }
}

.about-mini {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-sm);
  align-items: start;
}
@media (min-width: 1024px) {
  .about-mini {
    grid-template-columns: 64px 1fr;
    gap: var(--space-md);
  }
}
.about-mini__icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
}
@media (min-width: 1024px) {
  .about-mini__icon { width: 64px; height: 64px; }
}
.about-mini__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.about-mini__title {
  font-family: var(--font-jp);
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
  line-height: 1.55;
  color: var(--color-black);
  margin: 0 0 var(--space-xs);
}
.about-mini__content p {
  font-size: var(--fs-small);
  line-height: var(--lh-base);
  color: var(--color-black);
  margin: 0 0 var(--space-xs);
}
.about-mini__content p:last-child { margin-bottom: 0; }

@media (max-width: 559px) {
  .about-mini {
    grid-template-columns: 48px 1fr;
    gap: var(--space-xs);
  }
  .about-mini__icon { width: 48px; height: 48px; }
}

/* =========================
 * About blocks (legacy)
 * ========================= */
.about-block {
  padding-block: var(--space-lg);
  border-top: 1px solid var(--color-border);
}
.about-block:first-of-type { border-top: 0; padding-top: 0; }
.about-block h3 {
  font-size: var(--fs-h3);
  margin-bottom: var(--space-sm);
  letter-spacing: var(--tracking-snug);
  color: var(--color-text);
  font-weight: var(--fw-bold);
}
.about-block__figure {
  background: var(--color-green-light);
  border: 0;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: grid;
  place-items: center;
  min-height: 280px;
  position: relative;
  overflow: hidden;
}
.about-block__figure img {
  max-width: 220px;
  height: auto;
}

.on-green .about-block,
.on-blue .about-block,
.on-black .about-block {
  border-top-color: rgba(255,255,255,0.18);
}
.on-green .about-block { border-top-color: rgba(0,0,0,0.1); }

/* =========================
 * Service flow — vertical stack (v4)
 * ========================= */
.service-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Services section — Hero と同じ対角グラデーション背景
   (.bg-mist の単色を上書き。bg-mist は他のセクションでも使うので、
    ここはセクション固有のクラスで指定する) */
.section--services {
  background: linear-gradient(135deg, #EAF2FF 0%, var(--color-green-light) 100%);
}

/* Services section — widen lead so it fits on intended 2 lines */
.section--services .section-lead {
  max-width: 56em;
}

/* Services section spacing */
.section--services .section-head {
  margin-bottom: var(--space-xl);
}

/* Reset card box — flat layout with 1px divider, big number on the left */
.section--services .service-flow {
  counter-reset: service-step;
}
.section--services .service-flow__card {
  counter-increment: service-step;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  padding: var(--space-lg) 0;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--color-border);
  border-radius: 0;
  box-shadow: none;
  position: relative;
}
.section--services .service-flow__card:last-child {
  border-bottom: 1px solid var(--color-border);
}
@media (hover: hover) {
  .section--services .service-flow__card:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--color-border);}
}

/* Big step number — visual anchor on the left (PC) / top (SP) */
.section--services .service-flow__card::before {
  content: counter(service-step, decimal-leading-zero);
  font-family: var(--font-en-serif);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-green);
  letter-spacing: -0.02em;
  display: block;
}

@media (min-width: 900px) {
  .section--services .service-flow__card {
    grid-template-columns: 180px 1fr;
    column-gap: var(--space-lg);
    row-gap: var(--space-xs);
    align-items: start;
    padding: var(--space-xl) 0;
  }
  .section--services .service-flow__card::before {
    grid-row: 1 / span 4;
    grid-column: 1;
    position: sticky;
    top: calc(var(--header-h) + var(--space-md));   /* ヘッダー直下 + 24px */
  }
  .section--services .service-flow__card > * {
    grid-column: 2;
  }
}

.section--services .service-flow__card .card__step {
  align-self: start;
  font-size: var(--fs-small);
  letter-spacing: 0.12em;
  font-weight: var(--fw-medium);
  color: var(--color-text-sub);
  text-transform: uppercase;
  padding: 0;
  background: transparent;
}

.section--services .service-flow__card h3 {
  font-size: 1.5rem;
  line-height: 1.5;
  margin: 0;
}
@media (min-width: 768px) {
  .section--services .service-flow__card h3 { font-size: 1.75rem; }
}

.section--services .service-flow__card p {
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  margin: 0;
  max-width: 44em;
}

.section--services .service-flow__card .card__price-text {
  font-size: var(--fs-small);
  margin-top: var(--space-xs);
  color: var(--color-text-sub);
}

/* Front products (legacy) */
.front-products {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
@media (min-width: 768px) {
  .front-products { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .front-products { grid-template-columns: repeat(3, 1fr); }
}

/* =========================
 * Section: 3つのデザイン分析
 * ========================= */
.section--diagnosis {
  padding-block: var(--section-py);
}
.diagnosis-head {
  text-align: center;
  margin-bottom: var(--space-xl);
}
.diagnosis-title {
  font-family: var(--font-jp);
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
  line-height: 1.5;
  color: var(--color-text);
  margin: 0;
}
.diagnosis-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  max-width: 1180px;
  margin: 0 auto;
}
@media (min-width: 768px) {
  .diagnosis-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }
}
.diagnosis-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.diagnosis-card__figure {
  width: 100%;
  margin-bottom: var(--space-md);
  overflow: hidden;
}
.diagnosis-card__figure img {
  width: 100%;
  height: auto;
  display: block;
}
.diagnosis-card__title {
  font-family: var(--font-jp);
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
  line-height: 1.5;
  color: var(--color-text);
  margin: var(--space-sm) 0 var(--space-sm);
  padding: 0 var(--space-xs);
}
.diagnosis-card__body {
  font-family: var(--font-jp);
  font-size: var(--fs-small);
  line-height: var(--lh-base);
  color: var(--color-text);
  text-align: left;
  margin: 0;
  padding: 0 var(--space-xs);
}
.diagnosis-card__meta {
  font-family: var(--font-jp);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text-sub);
  margin: var(--space-xs) 0 0;
  padding: 0 var(--space-xs);
  text-align: left;
}
.diagnosis-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
  padding: 0 var(--space-xs);
  font-family: var(--font-jp);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-btn-primary);
  text-decoration: none;
  align-self: flex-start;
  transition: opacity 0.2s ease;
}
.diagnosis-card__link span {
  display: inline-block;
  transition: transform 0.3s var(--ease);
}
@media (hover: hover) {
  .diagnosis-card__link:hover {   opacity: 0.7; }
}
@media (hover: hover) {
  .diagnosis-card__link:hover span {   transform: translateX(4px); }
}

.service-detail__price {
  display: block;
  margin-top: var(--space-md);
  padding-top: var(--space-xs);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-jp);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text-sub);
}
.service-detail__price .card__price-label {
  font-weight: var(--fw-regular);
  margin-right: 2px;
}

/* =========================
 * Service detail block (Services page)
 * ========================= */
/* Service detail sections — all share same bg with 1px dividers */
.service-detail {
  padding-block: var(--space-lg);
  position: relative;
  counter-increment: service-detail;
  border-top: 1px solid var(--color-border);
}
.service-detail:last-of-type {
  border-bottom: 1px solid var(--color-border);
}

/* Reset counter at the first service-detail */
#core { counter-reset: service-detail; }

/* Big green step number (replaces giant watermark) */
.service-detail::before {
  content: counter(service-detail, decimal-leading-zero);
  display: block;
  font-family: var(--font-en-serif);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-green);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* Legacy giant watermark — hide */
.service-detail__big-num { display: none; }
.service-detail__inner {
  position: relative;
  z-index: 1;
}
.service-detail .card__step {
  display: inline-block;
  font-family: var(--font-en-sans);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-text-sub);
  background: transparent;
  padding: 0;
  margin-bottom: var(--space-sm);
  line-height: 1;
}
.service-detail h3 {
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
  margin-bottom: var(--space-sm);
  line-height: 1.35;
  color: var(--color-text);
}
.service-detail .lead {
  font-size: var(--fs-body);
  margin-bottom: var(--space-md);
}

/* Service detail on dark backgrounds — legacy, no longer used */
.service-detail__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}
.service-detail__cta {
  margin-top: var(--space-lg);
}
.diagnosis-head__lead {
  margin-top: var(--space-sm);
  margin-inline: auto;
}

/* Arrow between services */
.flow-arrow {
  display: flex;
  justify-content: center;
  padding-block: var(--space-md);
  color: var(--color-text);
  background: var(--color-green-light);
}
.flow-arrow svg {
  width: 28px;
  height: 28px;
  padding: 5px;
  background: var(--color-btn-primary);
  color: var(--color-white);
  border-radius: 50%;
}

/* =========================
 * AI Search section (black)
 * ========================= */
.ai-section {
  padding-block: var(--section-py);
  background: var(--color-black);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}
.ai-section .section-heading,
.ai-section h2, .ai-section h3 { color: var(--color-green-accent); }
.ai-section .section-lead,
.ai-section p { color: rgba(255,255,255,0.82); }
.ai-section .eyebrow { color: rgba(255,255,255,0.7); }
.ai-section .quote-block {
  background: transparent;
  color: var(--color-white);
  border-left-color: var(--color-green-accent);
}

/* =========================
 * Founder message
 * ========================= */
.founder {
  background: var(--color-white);
  padding-block: var(--section-py);
  position: relative;
  overflow: hidden;
}
.founder__portrait {
  background: var(--color-green-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 5;
  display: grid;
  place-items: center;
  color: var(--color-text);
  font-family: var(--font-en-serif);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: var(--fw-bold);
  position: relative;
  overflow: hidden;
}
.founder__portrait::after { display: none; }
.founder__portrait span {
  position: relative;
  z-index: 1;
  text-align: center;
  line-height: 1.2;
  padding: 0 var(--space-md);
  letter-spacing: var(--tracking-snug);
}
.founder__portrait .label {
  font-family: var(--font-en-sans);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  display: block;
  color: var(--color-text-sub);
  margin-top: var(--space-xs);
}

/* Founder portrait — actual photo variant */
.founder__portrait--photo {
  background: transparent;
  border: 0;
  border-radius: var(--radius-lg);
  aspect-ratio: auto;
  display: block;
  padding: 0;
  margin: 0 auto;
  max-width: 70%;            /* 現状の70%まで小さく */
  overflow: visible;
}
.founder__portrait--photo img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  object-fit: cover;
}
.founder__portrait-caption {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  margin-top: var(--space-sm);
  font-family: var(--font-en-serif);
  color: var(--color-text);
}
.founder__portrait-name {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
  line-height: 1.1;
}
.founder__portrait-role {
  font-family: var(--font-en-sans);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-text-sub);
}
@media (max-width: 1023px) {
  .founder__portrait--photo {
    max-width: 60%;
  }
}
@media (max-width: 767px) {
  .founder__portrait--photo {
    max-width: 75%;
  }
}
.founder__signature {
  margin-top: var(--space-md);
  text-align: right;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text);
}

/* =========================
 * 3-Layer design (About)
 * ========================= */
.layers {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}
@media (min-width: 1024px) {
  .layers {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
  }
}
.layer {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}
.layer__num {
  font-family: var(--font-en-serif);
  font-size: 1.5rem;
  font-weight: var(--fw-bold);
  color: var(--color-btn-primary);
  background: transparent;
  padding: 0;
  display: inline-block;
  margin-bottom: var(--space-xs);
}
.layer h3 {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-xs);
  line-height: 1.5;
  color: var(--color-text);
}
.layer p {
  font-size: var(--fs-small);
  color: var(--color-text);
  margin-bottom: 0;
}
.layer__icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--color-green-light);
  color: var(--color-btn-primary);
  display: grid;
  place-items: center;
  margin-bottom: var(--space-sm);
}

/* =========================
 * About — Philosophy/Values vertical rhythm
 * Total gap from Philosophy body to Values eyebrow = 80px
 * ========================= */
.section--philosophy {
  padding-bottom: 0;
}
.section--values {
  padding-top: 80px;
}
.section--values .card--value {
  border-top: 1px solid var(--color-border);
  color: var(--color-text);
}
.section--values .card--value .card__num,
.section--values .card--value h3 {
  color: var(--color-text);
}
.section--values .card--value h3 strong {
  color: var(--color-btn-primary);
}
.section--values .card--value p {
  color: var(--color-text);
}

/* =========================
 * About — 3-Layer Design: split layout
 * Left: 3 stacked cards (no card box) / Right: large circle background
 * ========================= */
.section--layers {
  position: relative;
  overflow: hidden;
}
.layers-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
  position: relative;
}
@media (min-width: 1024px) {
  .layers-split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

/* Override .layers within split — vertical stack, no card box */
.section--layers .layers {
  grid-template-columns: 1fr;
  position: relative;
  z-index: 2;
}
@media (min-width: 1024px) {
  .section--layers .layers {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

/* Remove card-box styling on layers within this section */
.section--layers .layer {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: var(--space-sm) 0;
}

/* Hide the small icon */
.section--layers .layer__icon {
  display: none;
}

/* Right column — huge circle visualization as background-like element */
.layers-viz {
  display: grid;
  place-items: center;
  width: 100%;
  position: relative;
  z-index: 1;
}
.layers-viz__circles {
  width: 100%;
  max-width: none;
  height: auto;
  object-fit: contain;
  transform: scale(1.3);
  transform-origin: center right;
}
@media (min-width: 1024px) {
  .layers-viz {
    align-self: stretch;
  }
  .layers-viz__circles {
    transform: scale(1.5);
    transform-origin: 70% center;
  }
}

/* The closing note — bigger, bolder, left-aligned, in front of circles */
.section--layers .layers__note {
  position: relative;
  z-index: 2;
  margin-top: var(--space-lg);
  text-align: left;
  font-size: 1.5rem;
  font-weight: var(--fw-bold);
  line-height: 1.6;
  color: var(--color-text);
  max-width: 720px;
}
@media (min-width: 1024px) {
  .section--layers .layers__note {
    font-size: 1.75rem;
    margin-top: var(--space-xl);
  }
}

/* =========================
 * Knowledge listing page
 * ========================= */
.knowledge-hero {
  padding-block: var(--space-lg) var(--space-md);
  background: var(--color-white);
}
.knowledge-hero__title {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  font-family: var(--font-en-serif);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-xs);
  line-height: 1;
}

/* =========================
 * Type Hero (Works / Knowledge 一覧ページ用) — 文字一つずつ登場
 * ========================= */
.type-hero {
  padding-block: var(--space-2xl) var(--space-xl);
  background: linear-gradient(135deg, #EAF2FF 0%, var(--color-green-light) 100%);
  overflow: hidden;
}
.type-hero__title {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  font-family: var(--font-en-serif);
  font-size: clamp(3rem, 11vw, 9rem);
  font-weight: var(--fw-bold);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin: 0 0 var(--space-lg);
}
.type-hero__char {
  display: inline-block;
  opacity: 0;
  transform: translateY(40%);
  animation: type-hero-char-in 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
  /* style="--i: N" でステップを指定。1文字あたり 70ms ずつズラす */
  animation-delay: calc(var(--i, 0) * 70ms);
  will-change: transform, opacity;
}
.type-hero__char--dot {
  color: var(--color-green);
  font-size: 0.55em;
  margin-right: 0.18em;
}
/* タイトル末尾のホッピン（大文字と同じ高さに合わせる） */
.type-hero__char--mascot {
  display: inline-flex;
  align-items: center;
  margin-left: 0.2em;
}
.type-hero__char--mascot img {
  height: 0.9em;            /* 大文字の高さに合わせる */
  width: auto;
  display: block;
}
.type-hero__lead {
  max-width: 38em;
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--color-text);
  margin: 0;
  opacity: 0;
  transform: translateY(16px);
  animation: type-hero-lead-in 0.7s 0.85s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
}
@keyframes type-hero-char-in {
  from { opacity: 0; transform: translateY(40%); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes type-hero-lead-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .type-hero__char,
  .type-hero__lead {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

.knowledge-hero__dot {
  color: var(--color-green);
  font-size: 0.7em;
  line-height: 1;
}
.knowledge-hero__subtitle {
  font-family: var(--font-jp);
  font-size: var(--fs-small);
  color: var(--color-text-sub);
  letter-spacing: 0.1em;
  margin: 0;
}

/* Filter chips */
.knowledge-filters {
  padding-block: var(--space-md) var(--space-lg);
  background: var(--color-white);
}
.filter-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  padding: 0;
  margin: 0 0 var(--space-xs);
  justify-content: center;
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px 10px 22px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  font-family: var(--font-jp);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, opacity 0.2s ease;
}
@media (hover: hover) {
  .filter-chip:hover {
    background: var(--color-green-light);
    border-color: var(--color-green-pastel);
    opacity: 1;}
}
.filter-chip.is-active {
  background: var(--color-text);
  color: var(--color-white);
  border-color: var(--color-text);
}
.filter-chip__count {
  display: inline-grid;
  place-items: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--color-text);
  color: var(--color-white);
  font-family: var(--font-en-sans);
  font-size: 11px;
  font-weight: var(--fw-bold);
  line-height: 1;
}
.filter-chip.is-active .filter-chip__count {
  background: var(--color-white);
  color: var(--color-text);
}

/* "ALL CONTENTS" divider */
.contents-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding-block: var(--space-lg);
  position: relative;
}
.contents-divider span {
  font-family: var(--font-en-sans);
  font-size: var(--fs-body);
  font-weight: var(--fw-bold);
  letter-spacing: 0.18em;
  color: var(--color-text);
  position: relative;
  padding: 0 var(--space-md);
}
.contents-divider::before,
.contents-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-border);
  max-width: 80px;
}

/* Articles list */
.knowledge-list {
  padding-block: var(--space-md) var(--space-xl);
  background: var(--color-white);
}
.article-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
@media (min-width: 768px) {
  .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .article-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
}

.article-card__link {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  color: var(--color-text);
  text-decoration: none;
  transition: transform 0.35s var(--ease);
}
@media (hover: hover) {
  .article-card__link:hover {
    opacity: 1;
    transform: translateY(-4px);}
}
.article-card__media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-green-light);
  border-radius: 4px;
}
.article-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--ease);
}
@media (hover: hover) {
  .article-card__link:hover .article-card__media img {
    transform: scale(1.04);}
}
.article-card__overlay-title {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  z-index: 2;
  display: inline-block;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 4px;
  font-family: var(--font-jp);
  font-size: 13px;
  font-weight: var(--fw-bold);
  line-height: 1.5;
  color: var(--color-text);
}
.article-card__body {
  padding-top: var(--space-xs);
}
.article-card__date {
  font-family: var(--font-en-sans);
  font-size: 12px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.06em;
  color: var(--color-text-sub);
  margin: 0 0 var(--space-xs);
}
.article-card__title {
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: var(--fw-bold);
  line-height: 1.6;
  color: var(--color-text);
  margin: 0 0 var(--space-xs);
}

/* Works 系のカード（TOP の #works セクション、works.html、各 works-detail の
   OTHER WORKS）でホバーすると、タイトル下部に蛍光グリーンのハイライトマーカーが
   左から右へスーッと引かれるアニメーション。 */
#works .article-card__title,
.article-card__link[href^="works-detail"] .article-card__title {
  background-image: linear-gradient(180deg, transparent 62%, var(--color-green-accent) 62%);
  background-repeat: no-repeat;
  background-size: 0% 100%;
  background-position: left bottom;
  transition: background-size 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  /* Safari / Chrome のサブピクセル描画でドットがチラつくのを抑止 */
  padding-inline: 2px;
  margin-inline: -2px;
}
@media (hover: hover) {
  #works .article-card__link:hover .article-card__title,
  .article-card__link[href^="works-detail"]:hover .article-card__title {
    background-size: 100% 100%;
  }
}
@media (prefers-reduced-motion: reduce) {
  #works .article-card__title,
  .article-card__link[href^="works-detail"] .article-card__title {
    transition: none;
  }
}
.article-card__desc {
  font-size: 13px;
  line-height: 1.85;
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
}
.article-card__meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 12px;
  color: var(--color-text-sub);
  margin: 0;
}
.article-card__meta strong {
  color: var(--color-text);
  font-weight: var(--fw-bold);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}
.pagination__page,
.pagination__arrow {
  display: inline-grid;
  place-items: center;
  min-width: 40px;
  height: 40px;
  padding: 0 6px;
  border-radius: 999px;
  font-family: var(--font-en-sans);
  font-size: var(--fs-body);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, opacity 0.2s ease;
}
@media (hover: hover) {
  .pagination__page:hover,
.pagination__arrow:hover {
    background: var(--color-green-light);
    opacity: 1;}
}
.pagination__page.is-current {
  background: var(--color-text);
  color: var(--color-white);
}
.pagination__arrow {
  font-size: 1.25rem;
  color: var(--color-text-sub);
}

/* =========================
 * Message screens (404, Thanks, etc.) — full viewport, green gradient
 * ========================= */
.page--message {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(135deg, #00E13C 0%, #1FE89A 100%);
  display: grid;
  place-items: center;
  padding: var(--space-md);
}
.message-screen {
  width: 100%;
  max-width: 920px;
}
.message-screen__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-block: var(--space-xl) var(--space-lg);
}
.message-screen__hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  margin: 0 0 var(--space-md);
  font-weight: var(--fw-bold);
  line-height: 1;
}
.message-screen__num {
  font-family: var(--font-en-serif);
  font-size: clamp(96px, 14vw, 180px);
  color: var(--color-white);
  letter-spacing: 0.02em;
  line-height: 1;
}
.message-screen__num--small {
  font-size: clamp(64px, 9vw, 110px);
}
.message-screen__phrase {
  font-family: var(--font-en-serif);
  font-size: clamp(48px, 7vw, 88px);
  color: var(--color-white);
  letter-spacing: 0.005em;
  line-height: 1.05;
}
.message-screen__lead {
  font-family: var(--font-jp);
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: var(--fw-medium);
  color: var(--color-black);
  line-height: 1.85;
  margin: 0 0 var(--space-xl);
}
.message-screen__mascot {
  margin: 0 0 var(--space-xl);
}
.message-screen__mascot img {
  width: clamp(180px, 24vw, 260px);
  height: auto;
  display: block;
}
.message-screen__actions {
  margin: 0;
}
.message-screen__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 18px 36px;
  border-radius: 999px;
  border: 1.5px solid var(--color-black);
  background: transparent;
  color: var(--color-black);
  font-family: var(--font-jp);
  font-size: var(--fs-body);
  font-weight: var(--fw-bold);
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}
.message-screen__btn span {
  display: inline-block;
  transition: transform 0.3s var(--ease);
}
@media (hover: hover) {
  .message-screen__btn:hover {
    background: var(--color-black);
    color: var(--color-white);
    opacity: 1;
    transform: translateY(-2px);}
}
@media (hover: hover) {
  .message-screen__btn:hover span {
    transform: translateX(4px);}
}

/* =========================
 * Contact page — single-column, centered
 * ========================= */
/* Contact page — 2カラム（左=スティッキーなイントロ / 右=スクロールするフォーム） */
.contact-page {
  padding-block: var(--space-xl) var(--space-2xl);
  background: var(--color-white);
  overflow-x: clip;        /* 右カラム背景が画面外へ伸びるためクリップ */
}
.contact-page__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}
@media (min-width: 1024px) {
  .contact-page__grid {
    grid-template-columns: 4fr 6fr;   /* 比率 4:6 */
    gap: var(--space-2xl);
    align-items: start;
  }
}
.contact-page__intro {
  /* デフォルト（SP/TB）: 通常配置 */
}
@media (min-width: 1024px) {
  .contact-page__intro {
    position: sticky;
    top: calc(var(--header-h) + var(--space-lg));
    align-self: start;
    max-height: calc(100vh - var(--header-h) - var(--space-lg) * 2);
    overflow-y: auto;
  }
}

/* イントロ本体（左カラム）— 左揃え */
.contact-intro {
  background: transparent;
  padding: 0;
  text-align: left;
}
.contact-intro__head {
  margin-bottom: var(--space-lg);
}

/* Contact カラム内のタイポタイトル — サイズは小さめに揃える */
.contact-intro .type-hero__title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  margin: 0 0 var(--space-md);
}

/* 右カラム — 当初のグリーン背景を「枠」ではなくカラム全面に。
   さらに PC では擬似要素で右画面端まで延伸（右半分グリーンのレイアウト）。 */
.contact-page__form {
  background: var(--color-green-light);
  border-radius: 0;
  padding: var(--space-xl) var(--space-lg);
  position: relative;
}
@media (min-width: 768px) {
  .contact-page__form {
    padding: var(--space-2xl) var(--space-xl);
  }
}
@media (min-width: 1024px) {
  /* 擬似要素方式: カラム右端から viewport の右端まで同色で塗りつぶす。
     box-shadow より境界がきっちり出るため、白い隙間ができにくい。 */
  .contact-page__form {
    isolation: isolate;
  }
  .contact-page__form::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 100%;
    width: 100vw;
    background: var(--color-green-light);
    z-index: -1;
    pointer-events: none;
  }
}
.contact-intro__eyebrow {
  font-family: var(--font-en-sans);
  font-size: 13px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-green);
  margin: 0 0 var(--space-xs);
}
.contact-intro__title {
  font-family: var(--font-en-serif);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: var(--fw-bold);
  line-height: 1;
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.02em;
}
.contact-intro__subtitle {
  font-family: var(--font-jp);
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin: 0;
}
.contact-intro__body {
  max-width: 640px;
  margin: 0;       /* 左揃え（旧: 中央寄せ） */
}
.contact-intro__body p {
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
}
.contact-intro__body p:last-child { margin-bottom: 0; }
.contact-intro__note {
  font-size: var(--fs-small) !important;
  color: var(--color-text-sub) !important;
  margin-top: var(--space-md) !important;
}

/* Contact form wrap (旧構造の互換用 — 現在は .contact-page__form に統合) */
.contact-form-wrap {
  padding-block: var(--space-xl) var(--space-2xl);
  background: var(--color-green-light);
}

/* 右カラム — フォーム側の見出し */
.contact-page__form .contact-form-head {
  text-align: left;
  margin-bottom: var(--space-lg);
}
.contact-form-head {
  text-align: center;
  margin-bottom: var(--space-xl);
}
.contact-form-head__title {
  font-family: var(--font-jp);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
}
.contact-form-head__text {
  font-family: var(--font-jp);
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--color-text);
  margin: 0;
}

/* Form — グリーン背景上に直接配置（旧: 白カードラッパー） */
.contact-form {
  max-width: none;
  margin: 0;
  background: transparent;
  border-radius: 0;
  padding: 0;
}

.form-field {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}
.form-field:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}
.form-field__label {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-wrap: wrap;
  margin-bottom: var(--space-sm);
}
.form-field__label > label {
  font-family: var(--font-jp);
  font-size: var(--fs-body);
  font-weight: var(--fw-bold);
  color: var(--color-text);
}
.form-required {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--color-coral);
  color: var(--color-white);
  font-family: var(--font-jp);
  font-size: 11px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.04em;
}
.form-optional {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--color-border);
  color: var(--color-text-sub);
  font-family: var(--font-jp);
  font-size: 11px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.04em;
}
.form-hint {
  font-size: 12px;
  color: var(--color-text-sub);
  font-weight: var(--fw-medium);
}

/* Inputs */
.form-field__input input[type="text"],
.form-field__input input[type="email"],
.form-field__input input[type="tel"],
.form-field__input input[type="url"],
.form-field__input textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid rgba(0, 0, 0, 0.12);
  border-radius: 6px;
  font-family: var(--font-jp);
  font-size: var(--fs-body);
  color: var(--color-text);
  background: var(--color-white);             /* 入力フォームの中だけ白 */
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-sizing: border-box;
}
.form-field__input input::placeholder,
.form-field__input textarea::placeholder {
  color: #b4b4b4;
}
.form-field__input input:focus,
.form-field__input textarea:focus {
  outline: none;
  border-color: var(--color-green);
  box-shadow: 0 0 0 3px rgba(0, 225, 60, 0.15);
}
.form-field__input textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.7;
}

.form-help {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--color-text-sub);
  line-height: 1.6;
}

/* Choices (checkboxes / radios) */
.form-choices {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}
.form-choices--inline {
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .form-choices--inline {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px 12px;
  }
}
.form-choice {
  display: inline-flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 4px;       /* 枠なしに合わせて余白を調整 */
  border: 0;              /* 枠線なし */
  border-radius: 0;
  cursor: pointer;
  font-family: var(--font-jp);
  font-size: var(--fs-small);
  line-height: 1.6;
  color: var(--color-text);
  background: transparent;
  transition: color 0.2s ease;
}
@media (hover: hover) {
  .form-choice:hover {
    color: var(--color-btn-primary);
  }
}
.form-choice input {
  margin: 3px 0 0;
  flex-shrink: 0;
  accent-color: var(--color-green);
}
.form-choice input:checked + span {
  font-weight: var(--fw-bold);
}
.form-choice:has(input:checked) {
  /* 枠線なし版：選択状態はテキストの太字 + 色変化で表現 */
  background: transparent;
  border: 0;
  color: var(--color-btn-primary);
}
.form-choice:has(input:checked) span {
  font-weight: var(--fw-bold);
}

.form-choice--consent {
  display: flex;
  justify-content: center;
  border: 0;
  background: transparent;
  padding: 0;
  margin-top: var(--space-sm);
  font-size: var(--fs-body);
}
@media (hover: hover) {
  .form-choice--consent:hover {
    background: transparent;
    border: 0;}
}
.form-choice--consent:has(input:checked) {
  background: transparent;
  border: 0;
}

/* Privacy block */
.form-privacy {
  margin-top: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  background: transparent;
  border: 1.5px solid rgba(0, 0, 0, 0.18);
  border-radius: 8px;
}
.form-privacy__title {
  font-family: var(--font-jp);
  font-size: var(--fs-body);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
}
.form-privacy__text {
  font-size: var(--fs-small);
  line-height: 1.85;
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
}
.form-privacy__text p {
  margin: 0 0 6px;
}
.form-privacy__text a {
  color: var(--color-btn-primary);
  text-decoration: underline;
}

/* Submit */
.form-actions {
  margin-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}
.form-submit {
  min-width: 280px;
  justify-content: center;
}
.form-actions__note {
  font-size: var(--fs-small);
  color: var(--color-text-sub);
  margin: 0;
  text-align: center;
}

/* =========================
 * Legal pages (Privacy Policy, Terms, etc.)
 * ========================= */
.legal-hero {
  padding-block: var(--space-lg) var(--space-md);
  background: var(--color-white);
}
.legal-hero .container {
  max-width: 880px;
}
.legal-hero__eyebrow {
  font-family: var(--font-en-sans);
  font-size: 13px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-green);
  margin: 0 0 var(--space-xs);
}
.legal-hero__title {
  font-family: var(--font-jp);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: var(--fw-bold);
  line-height: 1.4;
  color: var(--color-text);
  margin: 0;
}

.legal-body {
  padding-block: var(--space-xl) var(--space-2xl);
  background: var(--color-white);
}
.legal-body__intro {
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--color-text);
  margin: 0 0 var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}
.legal-body__date {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-size: var(--fs-small);
  color: var(--color-text-sub);
  text-align: right;
}

.legal-section {
  margin-bottom: var(--space-xl);
}
.legal-section__heading {
  font-family: var(--font-jp);
  font-size: 1.125rem;
  font-weight: var(--fw-bold);
  line-height: 1.5;
  color: var(--color-text);
  border-left: 4px solid var(--color-green);
  padding-left: var(--space-sm);
  margin: 0 0 var(--space-md);
}
.legal-section p {
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
}

/* Lists */
.legal-list {
  margin: 0 0 var(--space-sm);
  padding-left: 1.5em;
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--color-text);
}
.legal-list--ordered {
  list-style: decimal;
}
.legal-list:not(.legal-list--ordered) {
  list-style: decimal;
}
.legal-list > li {
  margin-bottom: var(--space-xs);
}
.legal-sublist {
  margin: var(--space-xs) 0 var(--space-xs);
  padding-left: 1.5em;
  list-style: lower-roman;
  font-size: 0.9375rem;
  color: var(--color-text);
}
.legal-sublist > li {
  margin-bottom: 4px;
}

/* Contact box */
.legal-contact {
  background: var(--color-green-light);
  border-radius: 8px;
  padding: var(--space-md) var(--space-lg);
  margin-top: var(--space-sm);
}
.legal-contact p {
  margin: 0 0 var(--space-xs);
}
.legal-contact p:last-child {
  margin-bottom: 0;
}
.legal-contact__company {
  font-weight: var(--fw-bold);
  color: var(--color-text);
}
.legal-contact__email {
  font-family: var(--font-jp);
  color: var(--color-text);
}
.legal-contact__address {
  font-family: var(--font-en-sans);
  font-weight: var(--fw-medium);
}
.legal-contact__note {
  font-size: var(--fs-small);
  color: var(--color-text-sub);
}

/* =========================
 * Works — Project detail page
 * ========================= */
.work-hero {
  padding-block: var(--space-lg) var(--space-md);
  background: var(--color-white);
}
.work-hero .container {
  max-width: 960px;
}
.work-hero__title {
  font-family: var(--font-jp);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: var(--fw-bold);
  text-align: center;
  color: var(--color-text);
  margin: 0 0 var(--space-xs);
  letter-spacing: 0;
}
.work-hero__subtitle {
  font-family: var(--font-jp);
  font-size: 13px;
  font-weight: var(--fw-medium);
  text-align: center;
  color: var(--color-text-sub);
  letter-spacing: 0.1em;
  margin: 0 0 var(--space-lg);
}
.work-hero__cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-green-light);
  border-radius: 4px;
}
.work-hero__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Overview */
.work-overview {
  padding-block: var(--space-xl) var(--space-md);
  background: var(--color-white);
}
.work-overview__head {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}
.work-overview__icon {
  color: var(--color-green);
  font-weight: var(--fw-bold);
  font-size: 1rem;
}
.work-overview__heading {
  font-family: var(--font-en-sans);
  font-size: 0.875rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  margin: 0;
}
.work-overview__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
@media (min-width: 768px) {
  .work-overview__inner {
    grid-template-columns: 220px 1fr;
    gap: var(--space-xl);
  }
}
.work-meta {
  margin: 0;
  font-family: var(--font-jp);
  font-size: 13px;
}
.work-meta__row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
}
.work-meta__row:first-child {
  border-top: 1px solid var(--color-border);
}
.work-meta dt {
  font-family: var(--font-en-sans);
  font-size: 11px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.08em;
  color: var(--color-text-sub);
  text-transform: uppercase;
  padding-top: 2px;
}
.work-meta dd {
  margin: 0;
  color: var(--color-text);
  line-height: 1.7;
  word-break: break-all;
}
.work-meta dd a {
  color: var(--color-btn-primary);
  text-decoration: none;
  word-break: break-all;
}
@media (hover: hover) {
  .work-meta dd a:hover {   opacity: 0.7; }
}

.work-overview__body p {
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
}

/* Work body sections */
.work-section {
  padding-block: var(--space-lg) var(--space-md);
  background: var(--color-white);
}
.work-section__heading {
  font-family: var(--font-jp);
  font-size: 1.25rem;
  font-weight: var(--fw-bold);
  line-height: 1.55;
  color: var(--color-text);
  border-left: 4px solid var(--color-green);
  padding-left: var(--space-sm);
  margin: 0 0 var(--space-md);
}
.work-section p {
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
}

/* Visual showcase */
.work-visual {
  padding-block: var(--space-lg) var(--space-md);
  background: var(--color-white);
}
.work-visual p {
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
}
.work-visual__frame {
  margin: var(--space-md) 0;
  padding: 0;                  /* グリーン背景の余白を撤廃 */
  background: transparent;     /* 背景色を取り除く */
  border-radius: 0;
  display: block;
}
.work-visual__frame--soft {
  background: transparent;     /* soft バリエーションも背景なし */
}
.work-visual__frame img {
  width: 100%;                 /* コンテンツ幅に対して左右 100% */
  height: auto;
  display: block;
}
.work-visual__captions {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xs);
  padding: 0;
  margin: var(--space-sm) 0 0;
  font-size: 13px;
  color: var(--color-text-sub);
}
@media (min-width: 768px) {
  .work-visual__captions {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }
}
.work-visual__captions li {
  text-align: center;
}

/* Voice */
.work-voice {
  padding-block: var(--space-xl) var(--space-md);
  background: var(--color-white);
}
.work-voice__quote {
  margin: 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-green-light);
  border-radius: 8px;
  border-left: 4px solid var(--color-green);
}
.work-voice__quote p {
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: var(--fw-medium);
  line-height: 1.95;
  color: var(--color-text);
  margin: 0;
}
.work-voice__author {
  text-align: right;
  font-family: var(--font-jp);
  font-size: 13px;
  color: var(--color-text-sub);
  margin: var(--space-sm) 0 0;
}

/* Related works */
.related-works {
  padding-block: var(--space-2xl) var(--space-xl);
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
}
.related-works__heading {
  font-family: var(--font-en-sans);
  font-size: 1rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.18em;
  text-align: center;
  color: var(--color-text);
  margin: 0 0 var(--space-lg);
}

/* =========================
 * Knowledge — Article detail page
 * ========================= */
.container--article {
  max-width: 800px;
  margin-inline: auto;
}

/* Article hero */
.article-hero {
  padding-block: var(--space-lg) var(--space-md);
  background: var(--color-white);
}
.article-hero .container {
  max-width: 920px;
}
.article-hero__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}
.article-hero__category {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--color-green-light);
  font-family: var(--font-jp);
  font-size: 12px;
  font-weight: var(--fw-bold);
  color: var(--color-text);
  letter-spacing: 0.05em;
}
.article-hero__date {
  font-family: var(--font-en-sans);
  font-size: 12px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.08em;
  color: var(--color-text-sub);
}
.article-hero__title {
  font-family: var(--font-jp);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: var(--fw-bold);
  line-height: 1.45;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-md);
}
.article-hero__lead {
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--color-text);
  margin: 0 0 var(--space-md);
}
.article-hero__author {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-jp);
  font-size: 13px;
  color: var(--color-text-sub);
  margin-bottom: var(--space-lg);
}
.article-hero__author strong {
  color: var(--color-text);
  font-weight: var(--fw-bold);
}
.article-hero__cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-green-light);
  border-radius: 8px;
}
.article-hero__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Article body */
.article-body {
  padding-block: var(--space-xl) var(--space-2xl);
  background: var(--color-white);
}

/* Table of contents */
.article-toc {
  background: var(--color-green-light);
  border-radius: 8px;
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-xl);
}
.article-toc__title {
  font-family: var(--font-jp);
  font-size: var(--fs-body);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
  letter-spacing: 0.04em;
}
.article-toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--font-jp);
  font-size: 14px;
  line-height: 1.85;
  counter-reset: toc-item;
}
.article-toc__list > li {
  counter-increment: toc-item;
  padding-left: 26px;
  position: relative;
}
.article-toc__list > li::before {
  content: counter(toc-item, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-en-sans);
  font-size: 12px;
  font-weight: var(--fw-bold);
  color: var(--color-text-sub);
}
.article-toc__list ol {
  list-style: none;
  padding: 0;
  margin: 4px 0 8px;
  counter-reset: toc-sub;
}
.article-toc__list ol > li {
  counter-increment: toc-sub;
  padding-left: 24px;
  position: relative;
  font-size: 13px;
  color: var(--color-text-sub);
}
.article-toc__list ol > li::before {
  content: counter(toc-item) "-" counter(toc-sub);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-en-sans);
  font-size: 11px;
  font-weight: var(--fw-medium);
  color: var(--color-text-sub);
}
.article-toc a {
  color: var(--color-text);
  text-decoration: none;
}
@media (hover: hover) {
  .article-toc a:hover {
    color: var(--color-btn-primary);
    opacity: 1;}
}

/* Article sections */
.article-section {
  margin-bottom: var(--space-xl);
}
.article-section__heading {
  font-family: var(--font-jp);
  font-size: clamp(1.25rem, 2.4vw, 1.625rem);
  font-weight: var(--fw-bold);
  line-height: 1.5;
  color: var(--color-text);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-text);
  margin: 0 0 var(--space-md);
  letter-spacing: -0.005em;
}
.article-section__subheading {
  font-family: var(--font-jp);
  font-size: 1.125rem;
  font-weight: var(--fw-bold);
  line-height: 1.55;
  color: var(--color-text);
  margin: var(--space-lg) 0 var(--space-sm);
  padding-left: var(--space-sm);
  border-left: 4px solid var(--color-green);
}
.article-section p {
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
}

/* Inline quote / callout / info box */
.article-quote {
  margin: var(--space-md) 0;
  padding: var(--space-sm) var(--space-md);
  border-left: 4px solid var(--color-green);
  background: var(--color-green-light);
  border-radius: 0 6px 6px 0;
  font-family: var(--font-jp);
  font-size: 1.0625rem;
  font-weight: var(--fw-bold);
  color: var(--color-text);
}
.article-quote p {
  margin: 0;
}

.article-info-box {
  background: var(--color-green-light);
  border-radius: 8px;
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-md) 0;
}
.article-info-box__title {
  font-family: var(--font-jp);
  font-size: 0.9375rem;
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin: 0 0 var(--space-xs);
  letter-spacing: 0.02em;
}
.article-info-box__list {
  margin: 0;
  padding-left: 1.25em;
  font-size: 14px;
  line-height: 1.95;
  color: var(--color-text);
}
.article-info-box__list li {
  margin-bottom: 4px;
}

.article-callout {
  margin: var(--space-md) 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}
.article-callout__label {
  font-family: var(--font-en-sans);
  font-size: 11px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  color: var(--color-text-sub);
  text-transform: uppercase;
  margin: 0 0 var(--space-xs);
}
.article-callout__text {
  font-family: var(--font-jp);
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--color-text);
  margin: 0;
}
.article-callout--green {
  background: var(--color-green-light);
  border-color: transparent;
}

/* "3 changes" structured list */
.article-changes {
  display: grid;
  gap: var(--space-md);
  margin: var(--space-md) 0;
}
.article-change {
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}
.article-change__num {
  display: inline-block;
  font-family: var(--font-en-serif);
  font-size: 1.25rem;
  font-weight: var(--fw-bold);
  color: var(--color-green-pastel);
  margin-bottom: 4px;
}
.article-change__title {
  font-family: var(--font-jp);
  font-size: 1.0625rem;
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin: 0 0 var(--space-xs);
}
.article-change p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
}

/* In-article CTA */
.article-inline-cta {
  margin: var(--space-xl) 0;
  padding: var(--space-lg);
  background: var(--color-green-light);
  border-radius: 12px;
  text-align: center;
}
.article-inline-cta__lead {
  font-family: var(--font-jp);
  font-size: 0.875rem;
  font-weight: var(--fw-medium);
  color: var(--color-text-sub);
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-xs);
}
.article-inline-cta__text {
  font-family: var(--font-jp);
  font-size: 1.125rem;
  font-weight: var(--fw-bold);
  line-height: 1.6;
  color: var(--color-text);
  margin: 0 0 var(--space-md);
}

/* Article footer (tags + share) */
.article-footer {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-top: var(--space-xl);
}
@media (min-width: 768px) {
  .article-footer {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}
.article-tags,
.article-share {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-wrap: wrap;
}
.article-tags__label,
.article-share__label {
  font-family: var(--font-jp);
  font-size: 12px;
  color: var(--color-text-sub);
  font-weight: var(--fw-medium);
}
.article-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--color-green-light);
  font-family: var(--font-jp);
  font-size: 12px;
  font-weight: var(--fw-medium);
  color: var(--color-text);
  text-decoration: none;
  transition: background 0.2s ease;
}
@media (hover: hover) {
  .article-tag:hover {
    background: var(--color-green-pastel);
    opacity: 1;}
}
.article-share__link {
  display: inline-grid;
  place-items: center;
  min-width: 36px;
  height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  font-family: var(--font-en-sans);
  font-size: 11px;
  font-weight: var(--fw-bold);
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: background 0.2s ease, border-color 0.2s ease;
}
@media (hover: hover) {
  .article-share__link:hover {
    background: var(--color-text);
    color: var(--color-white);
    border-color: var(--color-text);
    opacity: 1;}
}

/* Related articles */
.related-articles {
  padding-block: var(--space-xl);
  background: var(--color-green-light);
}
.related-articles__heading {
  font-family: var(--font-jp);
  font-size: 1.5rem;
  font-weight: var(--fw-bold);
  text-align: center;
  color: var(--color-text);
  margin: 0 0 var(--space-lg);
}

/* =========================
 * TOP — Blog grid (6 items, cover + title)
 * ========================= */
.section--blog {
  padding-block: var(--section-py);
}
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}
@media (min-width: 768px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
}
@media (min-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
}

.blog-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  color: var(--color-text);
  text-decoration: none;
  transition: transform 0.35s var(--ease);
}
@media (hover: hover) {
  .blog-item:hover {
    opacity: 1;
    transform: translateY(-4px);}
}
.blog-item__media {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-white);
  border-radius: 12px;
}
.blog-item__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--ease);
}
@media (hover: hover) {
  .blog-item:hover .blog-item__media img {
    transform: scale(1.04);}
}
.blog-item__title {
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: var(--fw-bold);
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--color-text);
  margin: 0;
}

.blog-more {
  display: flex;
  justify-content: center;
  margin-top: var(--space-xl);
}

/* =========================
 * Name origin (About) — Vivid green section
 * ========================= */
.name-origin {
  background: var(--color-green);
  color: var(--color-black);
  padding-block: var(--section-py);
  position: relative;
  overflow: hidden;
}
.name-origin__type {
  font-family: var(--font-en-serif);
  font-size: clamp(56px, 12vw, 144px);
  font-weight: var(--fw-bold);
  line-height: 1;
  letter-spacing: var(--tracking-snug);
  color: var(--color-black);
  margin-bottom: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 0;
}
.name-origin__type-line {
  display: block;
  line-height: 1;
}
.name-origin__type-line--white {
  color: var(--color-white);
}
.name-origin .section-heading,
.name-origin h2 { color: var(--color-black); }
.name-origin p { color: var(--color-black); }
.name-origin .eyebrow { color: var(--color-black); }
.name-origin__closing {
  margin-top: var(--space-md);
  font-size: 1.125rem;
  font-weight: var(--fw-bold);
  color: var(--color-black);
}
.name-origin__closing strong {
  font-weight: var(--fw-bold);
}

/* =========================
 * Final CTA
 * ========================= */
.final-cta {
  background: var(--color-green-light);
  color: var(--color-text);
  padding-block: var(--section-py);
  position: relative;
  overflow: hidden;
}
.final-cta::before { display: none; }
.final-cta__inner {
  position: relative;
  z-index: 1;
  width: 100%;            /* SP: full width */
  margin-inline: auto;
}
@media (min-width: 768px) {
  .final-cta__inner {
    width: 88%;           /* Tablet */
  }
}
@media (min-width: 1024px) {
  .final-cta__inner {
    width: 72%;           /* PC */
  }
}
.final-cta h2 {
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
  margin-bottom: var(--space-md);
  color: var(--color-text);
}
.final-cta .section-lead,
.final-cta p { color: var(--color-text); }
.final-cta .info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-block: var(--space-lg);
}
@media (min-width: 768px) {
  .final-cta .info-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
  }
  /* Each card with crisp straight vertical divider (left of cards 2 and 3) */
  .final-cta .info-grid .card--info {
    position: relative;
    padding: 0 var(--space-lg);
  }
  .final-cta .info-grid .card--info:first-child {
    padding-left: 0;
  }
  .final-cta .info-grid .card--info:last-child {
    padding-right: 0;
  }
  .final-cta .info-grid .card--info + .card--info::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--color-text);
    border-radius: 0;
  }
}
.final-cta .card--info h4 { color: var(--color-text); }
.final-cta .card--info p { color: var(--color-text-sub); }
.final-cta__note {
  font-size: var(--fs-small);
  color: var(--color-text-sub);
  margin-top: var(--space-sm);
}
/* Mascot — positioned in the upper-middle right area (between title and info-grid) */
.final-cta__mascot {
  position: absolute;
  top: 25%;
  right: calc(16% + 100px);
  width: clamp(180px, 18vw, 240px);
  z-index: 1;
  pointer-events: none;
}
@media (max-width: 1023px) {
  .final-cta__mascot {
    top: var(--space-md);
    right: calc(4% + 100px);
    width: clamp(150px, 21vw, 210px);
  }
}
@media (max-width: 767px) {
  .final-cta__mascot { display: none; }
}

/* About ページ専用 — タイトル＋リードの全体高さが index/services より低いため、
   25% 起点だとマスコットが下方へ流れて 03 カードと重なる。上端寄せに調整。 */
.final-cta--compact .final-cta__mascot {
  top: var(--space-lg);   /* PC: 48px from section top */
}
@media (max-width: 1023px) {
  .final-cta--compact .final-cta__mascot {
    top: var(--space-md); /* tablet: 24px */
  }
}

.final-cta__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
}
.final-cta__intro {
  max-width: 36em;
  margin-top: var(--space-sm);
}
.section-head--full { max-width: none; }
.founder__subhead {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-md);  /* 見出し下の余白を他の見出しと同等に */
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--color-text);
}
.prose__subhead {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: inherit;
}

/* Page-hero visual right column */
.page-hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.page-hero__visual img { max-width: 240px; width: 100%; }

/* Name origin extras */
.name-origin__caption {
  max-width: 24em;
  font-weight: var(--fw-medium);
}
.name-origin__mascot {
  max-width: 120px;
  margin-top: var(--space-md);
}
.name-origin__quote { margin-top: var(--space-md); }

/* About-block tall figure */
.about-block__figure--tall { min-height: 380px; }

/* Layers note */
.layers__note {
  margin-top: var(--space-md);
  text-align: center;
  font-size: var(--fs-small);
}

/* =========================
 * AI-era — black section (v3)
 * ========================= */
.ai-era {
  background: var(--color-black);
  color: var(--color-white);
  padding-block: var(--section-py);
  position: relative;
  overflow: hidden;
}
.ai-era__layout {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 1024px) {
  .ai-era__layout {
    grid-template-columns: 1.1fr 1fr;
    gap: var(--space-xl);
  }
}
.ai-era__visual {
  display: grid;
  place-items: center;
  position: relative;
}
.ai-era__visual img {
  max-width: 380px;
  width: 100%;
  height: auto;
}
.ai-era h2 {
  color: var(--color-green-accent);
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
  margin-bottom: var(--space-md);
}
.ai-era p { color: rgba(255,255,255,0.85); }
.ai-era .eyebrow { color: rgba(255,255,255,0.7); }

/* ai-era v3 */
.ai-era--v3 {
  padding-block: var(--section-py);
}
.ai-era__head {
  text-align: center;
  margin-bottom: var(--space-xl);
}
.ai-era__title {
  font-family: var(--font-jp);
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
  line-height: 1.55;
  color: var(--color-green-accent);
  margin: 0;
}
.ai-era__blocks {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  max-width: 980px;
  margin: 0 auto;
}
.ai-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  align-items: start;
}
@media (min-width: 768px) {
  .ai-block {
    grid-template-columns: 220px 1fr;
    gap: var(--space-lg);
    align-items: start;
  }
  .ai-block--reverse {
    grid-template-columns: 1fr 220px;
  }
}
.ai-block__figure {
  display: grid;
  place-items: center;
  align-self: start;
}
.ai-block__figure img {
  width: 100%;
  max-width: 220px;
  height: auto;
}
@media (min-width: 768px) {
  .ai-block--reverse .ai-block__figure {
    grid-column: 2;
    grid-row: 1;
  }
  .ai-block--reverse .ai-block__body {
    grid-column: 1;
    grid-row: 1;
  }
}
.ai-block__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.ai-block__title {
  font-family: var(--font-jp);
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
  line-height: 1.55;
  color: var(--color-green-accent);
  margin: 0 0 var(--space-xs);
}
.ai-block__body p {
  font-size: var(--fs-small);
  line-height: var(--lh-base);
  color: rgba(255, 255, 255, 0.82);
  margin: 0;
}
.ai-era__cta {
  margin-top: var(--space-xl);
  display: flex;
  justify-content: center;
}
.ai-era__cta--stack {
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}
@media (min-width: 768px) {
  .ai-era__cta--stack {
    flex-direction: row;
    flex-wrap: wrap;
  }
}
.ai-era--v3 .ai-block {
  padding-block: 0;
  border-top: 0;
}
.ai-era--v3 .ai-block h3 { margin-bottom: var(--space-xs); }

/* =========================
 * Blog / Resources card
 * ========================= */
.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease;
}
@media (hover: hover) {
  .blog-card:hover {   border-color: var(--color-btn-primary); }
}
.blog-card__media {
  aspect-ratio: 5 / 3;
  background: var(--color-green-light);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.blog-card__media--lime  { background: var(--color-green-light); }
.blog-card__media--blue  { background: var(--color-btn-primary); }
.blog-card__media--ink   { background: var(--color-black); }
.blog-card__media-num {
  font-family: var(--font-en-serif);
  font-size: clamp(56px, 8vw, 96px);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  line-height: 1;
}
.blog-card__media--blue .blog-card__media-num,
.blog-card__media--ink .blog-card__media-num { color: var(--color-white); }
.blog-card__body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex-grow: 1;
}
.blog-card__tag {
  display: inline-block;
  font-family: var(--font-en-sans);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-text-sub);
}
.blog-card__title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  line-height: 1.45;
  color: var(--color-text);
  margin-bottom: 0;
}
.blog-card__desc {
  font-size: var(--fs-small);
  color: var(--color-text);
  margin-bottom: 0;
  flex-grow: 1;
}
.blog-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: var(--fw-medium);
  color: var(--color-btn-primary);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  align-self: flex-start;
  margin-top: var(--space-xs);
}

/* =========================
 * Mascot showcase
 * ========================= */
.mascot-showcase {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}
@media (min-width: 768px) {
  .mascot-showcase { grid-template-columns: repeat(4, 1fr); }
}
.mascot-showcase__item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  padding: var(--space-sm);
  transition: border-color 0.2s ease;
}
@media (hover: hover) {
  .mascot-showcase__item:hover {   border-color: var(--color-btn-primary); }
}
.mascot-showcase__item img {
  max-width: 70%;
  height: auto;
}

/* =========================
 * Design system page
 * ========================= */
.ds-page { padding-block: var(--space-lg); }
.ds-section {
  padding-block: var(--space-lg);
  border-top: 1px solid var(--color-border);
}
.ds-section:first-of-type { border-top: 0; padding-top: 0; }
.ds-section h2 {
  font-size: var(--fs-h2);
  margin-bottom: var(--space-xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
}
.ds-section > p.lead {
  font-size: var(--fs-body);
  color: var(--color-text-sub);
  margin-bottom: var(--space-lg);
  max-width: 56ch;
}

/* Color grid */
.color-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}
@media (min-width: 768px)  { .color-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .color-grid { grid-template-columns: repeat(4, 1fr); } }
.swatch {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-white);
}
.swatch__chip {
  height: 104px;
  display: block;
}
.swatch__meta {
  padding: var(--space-xs);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.swatch__name {
  font-family: var(--font-jp);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text);
}
.swatch__hex {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-text-sub);
  letter-spacing: 0.04em;
}

/* Type specimens */
.type-row {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
  display: grid;
  gap: var(--space-xs);
}
@media (min-width: 768px) {
  .type-row { grid-template-columns: 200px 1fr; align-items: baseline; }
}
.type-row__label {
  font-family: var(--font-en-sans);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text-sub);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
}
.type-row__sample { color: var(--color-text); }
.type-row__sample--display { font-family: var(--font-en-serif); font-size: var(--fs-hero-en); font-weight: var(--fw-bold); line-height: var(--lh-hero); }
.type-row__sample--h1      { font-size: var(--fs-h1); font-weight: var(--fw-bold); line-height: var(--lh-tight); }
.type-row__sample--h2      { font-size: var(--fs-h2); font-weight: var(--fw-bold); line-height: 1.3; }
.type-row__sample--h3      { font-size: var(--fs-h3); font-weight: var(--fw-bold); line-height: 1.4; }
.type-row__sample--h4      { font-size: var(--fs-h4); font-weight: var(--fw-medium); line-height: 1.5; }
.type-row__sample--body-l  { font-size: var(--fs-body); line-height: var(--lh-base); }
.type-row__sample--body    { font-size: var(--fs-body); line-height: var(--lh-base); }
.type-row__sample--body-s  { font-size: var(--fs-small); line-height: 1.7; }
.type-row__sample--caption { font-size: var(--fs-small); line-height: 1.6; color: var(--color-text-sub); }

/* Spacing demo */
.spacing-demo {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.spacing-demo__row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-small);
}
.spacing-demo__bar {
  height: 12px;
  background: var(--color-btn-primary);
  border-radius: 2px;
}
.spacing-demo__label {
  width: 120px;
  font-family: var(--font-mono);
  color: var(--color-text-sub);
}

/* Component preview surface */
.surface {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
}
.surface--dark {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}
.surface--green {
  background: var(--color-green);
  color: var(--color-black);
  border-color: var(--color-green);
}
.surface--blue {
  background: var(--color-btn-primary);
  color: var(--color-white);
  border-color: var(--color-btn-primary);
}

/* -----------------------------------------------------------------
 * Design System page — utility classes
 * --------------------------------------------------------------- */
.ds-section--top { padding-top: 0; }
.ds-h1 {
  font-size: var(--fs-hero-en);
  font-family: var(--font-jp);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
  line-height: var(--lh-tight);
  margin-bottom: var(--space-sm);
}
.ds-h3 {
  margin: var(--space-md) 0 var(--space-sm);
  font-size: var(--fs-h3);
  font-weight: var(--fw-medium);
  color: var(--color-text-sub);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
}
.ds-section__row { margin-top: var(--space-sm); }
.ds-btn-row { margin-bottom: var(--space-md); }
.ds-mascot-row { margin-top: var(--space-md); }
.ds-mascot-cell {
  display: grid;
  place-items: center;
  min-height: 200px;
}
.ds-mascot-cell img {
  max-height: 200px;
  width: auto;
}
.ds-form-surface { max-width: 560px; }
.ds-code {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  background: var(--color-green-light);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Swatch chips */
.swatch__chip--green         { background: var(--color-green); }
.swatch__chip--green-pastel  { background: var(--color-green-pastel); }
.swatch__chip--green-light   { background: var(--color-green-light); border-bottom: 1px solid var(--color-border); }
.swatch__chip--green-accent  { background: var(--color-green-accent); }
.swatch__chip--coral         { background: var(--color-coral); }
.swatch__chip--pink          { background: var(--color-pink); }
.swatch__chip--purple        { background: var(--color-purple); }
.swatch__chip--blue-core     { background: var(--color-blue-core); }
.swatch__chip--gray-mist     { background: var(--color-gray-mist); }
.swatch__chip--black         { background: var(--color-black); }
.swatch__chip--text          { background: var(--color-text); }
.swatch__chip--text-sub      { background: var(--color-text-sub); }
.swatch__chip--white         { background: var(--color-white); border-bottom: 1px solid var(--color-border); }
.swatch__chip--border        { background: var(--color-border); }
.swatch__chip--btn-primary   { background: var(--color-btn-primary); }
.swatch__chip--btn-primary-hover { background: var(--color-btn-primary-hover); }

/* Section background previews */
.ds-bg__title {
  margin: 0;
  font-weight: var(--fw-bold);
}
.ds-bg__code {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  margin: 4px 0 0;
  color: var(--color-text-sub);
}
.ds-bg__title--light { color: var(--color-white); }
.ds-bg__code--light  { color: rgba(255,255,255,0.7); }
.ds-bg--white {
  background: var(--color-white);
  color: var(--color-text);
}
.ds-bg--green-light {
  background: var(--color-green-light);
  color: var(--color-text);
}

/* Spacing demo bar widths */
.spacing-demo__bar--w8   { width: 8px; }
.spacing-demo__bar--w16  { width: 16px; }
.spacing-demo__bar--w24  { width: 24px; }
.spacing-demo__bar--w48  { width: 48px; }
.spacing-demo__bar--w96  { width: 96px; }
.spacing-demo__bar--w160 { width: 160px; }