/* ===== Yui-結 ポートフォリオ — Component Styles ===== */

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(248, 247, 243, 0.92);
  backdrop-filter: saturate(140%) blur(0.625rem);
  -webkit-backdrop-filter: saturate(140%) blur(0.625rem);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--hairline); }
.site-header__inner {
  max-width: var(--container); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.125rem 2rem;
}
.brand { display: inline-flex; align-items: center; gap: 0.75rem; }
.brand__mark {
  width: 2.25rem; height: 2.25rem;
  background-image: url('../assets/logo.png');
  background-image: image-set(url('../assets/logo.webp') type('image/webp'), url('../assets/logo.png') type('image/png'));
  background-size: 100%;
  background-position: 24% 51%;
  background-repeat: no-repeat;
  mix-blend-mode: multiply;
  border-radius: 0.25rem;
}
.brand__name {
  font-family: var(--font-display);
  font-weight: 500; font-size: 1.375rem; letter-spacing: -0.01em;
  color: var(--ink);
  display: inline-flex; align-items: baseline; gap: 0;
}
.brand__name .knot {
  color: var(--brand-red);
  margin-left: 0.125rem;
}
.brand__sub {
  font-size: 0.6875rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted); margin-top: 0.125rem;
}
.site-nav { display: flex; align-items: center; gap: 2.4rem; }
.site-nav a {
  font-size: 0.875rem; font-weight: 500; color: var(--body-strong);
  text-decoration: none;
}
.site-nav a:hover { color: var(--primary); }

/* ===== Hero ===== */
.hero { padding: 6rem 0 5rem; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 4rem; align-items: center; }
.hero-grid--narrow { grid-template-columns: 1fr; max-width: 51.25rem; margin: 0 auto; text-align: center; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 0.75rem;
  font-size: 0.6875rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted);
  margin-bottom: 1.75rem;
}
.hero-eyebrow::before { content: ""; width: 1.75rem; height: 1px; background: var(--primary); }
.hero-title {
  font-family: var(--font-display);
  font-weight: 500; color: var(--ink);
  font-size: 3.25rem; line-height: 1.25; letter-spacing: -0.015em;
  margin: 0 0 1.5rem;
}
.hero-title .accent { color: var(--primary); }
.hero-title .knot { color: var(--brand-red); }
.hero-lede {
  font-size: 1.0625rem; line-height: 1.9; color: var(--body-strong);
  margin: 0 0 2.25rem; max-width: 33.75rem;
}
.hero-grid--narrow .hero-lede { margin-left: auto; margin-right: auto; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 0.625rem; margin-bottom: 2.25rem; }
.hero-cta-row { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.hero-grid--narrow .hero-cta-row { justify-content: center; }

/* Hero visual containers */
.hero-visual { position: relative; }
.hero-visual--quartet { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.hero-quad {
  background: var(--canvas); border: 1px solid var(--hairline);
  border-radius: var(--r-lg); padding: 1.375rem;
  min-height: 9.5rem; display: flex; flex-direction: column; justify-content: space-between;
}
.hero-quad__num {
  font-family: var(--font-display); font-size: 1.375rem; font-weight: 500; color: var(--muted);
}
.hero-quad__title { font-size: 0.9375rem; font-weight: 600; color: var(--ink); margin-top: 0.5rem; }
.hero-quad__hint { font-size: 0.75rem; color: var(--muted); margin-top: 0.25rem; }
.hero-quad__icon-slot {
  width: 2.25rem; height: 2.25rem; border-radius: 0.5rem;
  display: inline-flex; align-items: center; justify-content: center;
}
.hero-quad--terra .hero-quad__icon-slot { background: var(--accent-terra-soft); color: var(--accent-terra-ink); }
.hero-quad--blue .hero-quad__icon-slot { background: var(--primary-soft); color: var(--primary); }
.hero-quad--teal .hero-quad__icon-slot { background: var(--accent-teal-soft); color: var(--accent-teal-ink); }
.hero-quad--amber .hero-quad__icon-slot { background: var(--accent-amber-soft); color: var(--accent-amber-ink); }

/* Editorial visual — large quote card */
.hero-editorial {
  position: relative;
  background: var(--surface-card); border-radius: var(--r-xl);
  padding: 2.75rem 2.25rem; min-height: 23.75rem;
  display: flex; flex-direction: column; justify-content: space-between;
  overflow: hidden;
}
.hero-editorial__quote {
  font-family: var(--font-display); font-weight: 500;
  font-size: 1.625rem; line-height: 1.55; color: var(--ink); letter-spacing: -0.005em;
}
.hero-editorial__quote .accent-line { color: var(--primary); }
.hero-editorial__attr { font-size: 0.75rem; color: var(--muted); letter-spacing: 0.12em; }
.hero-editorial__deco {
  position: absolute; right: -2.5rem; top: -2.5rem; width: 12.5rem; height: 12.5rem;
  border-radius: 50%; background: radial-gradient(circle, rgba(74,111,165,0.18) 0%, transparent 70%);
  pointer-events: none;
}

/* Diagram visual */
.hero-diagram {
  background: var(--canvas); border: 1px solid var(--hairline);
  border-radius: var(--r-xl); padding: 2.25rem;
  min-height: 23.75rem; position: relative;
}
.hero-diagram-flow {
  display: grid; grid-template-columns: 1fr 2rem 1fr; align-items: center; gap: 0.75rem;
  margin-top: 1.5rem;
}
.hero-diagram-col {
  display: flex; flex-direction: column; gap: 0.5rem;
}
.hero-diagram-chip {
  padding: 0.75rem 0.875rem; border-radius: var(--r-md);
  font-size: 0.8125rem; line-height: 1.5;
  border: 1px dashed var(--hairline);
  background: var(--surface-soft); color: var(--body-strong);
}
.hero-diagram-chip--right {
  background: var(--primary-soft);
  border: 1px solid var(--primary-soft); color: var(--primary-active);
  font-weight: 500;
}
.hero-diagram-arrow {
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
}
.hero-diagram-label {
  font-size: 0.6875rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted); text-align: center; margin-bottom: 0.5rem;
}
.hero-diagram-summary {
  position: absolute; bottom: 1.5rem; left: 2.25rem; right: 2.25rem;
  padding-top: 1.25rem; border-top: 1px solid var(--hairline);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  font-size: 0.75rem; color: var(--muted);
}

/* Field photo visual */
.hero-photo-stack { position: relative; min-height: 23.75rem; }
.hero-photo-card {
  background: var(--surface-card); border-radius: var(--r-xl);
  height: 20rem; padding: 1.75rem;
  display: flex; flex-direction: column; justify-content: space-between;
}
.hero-photo-frame {
  flex: 1; border-radius: var(--r-lg); margin-bottom: 1rem;
  background:
    linear-gradient(135deg, rgba(74,111,165,0.18) 0%, transparent 60%),
    linear-gradient(0deg, rgba(20,20,28,0.06), rgba(20,20,28,0.06)),
    var(--surface-cream);
  position: relative; overflow: hidden;
  border: 1px solid rgba(20,20,28,0.06);
}
.hero-photo-frame::after {
  content: "現場写真 placeholder";
  position: absolute; bottom: 0.75rem; left: 0.875rem;
  font-size: 0.6875rem; letter-spacing: 0.12em; color: var(--muted);
}
.hero-photo-caption { font-size: 0.8125rem; color: var(--muted); }
.hero-photo-floating {
  position: absolute; right: -0.625rem; bottom: -1.25rem;
  background: var(--canvas); border: 1px solid var(--hairline);
  border-radius: var(--r-lg); padding: 0.875rem 1.125rem;
  font-size: 0.8125rem; box-shadow: var(--shadow-card);
  display: flex; align-items: center; gap: 0.625rem;
  max-width: 15rem;
}
.hero-photo-floating .dot { width: 0.5rem; height: 0.5rem; background: var(--success); border-radius: 50%; }

/* ===== Empathy ===== */
.empathy-grid { display: grid; gap: 1.25rem; }
.empathy-list { max-width: 47.5rem; margin: 0 auto; }
.empathy-item {
  display: grid; grid-template-columns: 2rem 1fr;
  gap: 1rem; align-items: center;
  padding: 1.125rem 1.5rem;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
}
.empathy-item__index {
  font-family: var(--font-display); font-size: 1rem;
  color: var(--muted); font-weight: 500;
}
.empathy-item__text { font-size: 1rem; color: var(--body-strong); line-height: 1.6; }

.empathy-cards { grid-template-columns: repeat(3, 1fr); }
.empathy-card {
  background: var(--surface-card); border-radius: var(--r-lg);
  padding: 1.75rem; display: flex; flex-direction: column; gap: 0.875rem;
  min-height: 11.25rem;
}
.empathy-card__quote {
  font-family: var(--font-display); font-weight: 500;
  font-size: 1.0625rem; line-height: 1.5; color: var(--ink);
}
.empathy-card__role {
  font-size: 0.75rem; color: var(--muted); letter-spacing: 0.08em;
  display: flex; align-items: center; gap: 0.5rem;
}
.empathy-card__role::before { content: ""; width: 1rem; height: 1px; background: var(--muted); }

.empathy-dialogue { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.dialogue-col__head {
  display: flex; align-items: center; gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.dialogue-col__avatar {
  width: 2.5rem; height: 2.5rem; border-radius: 50%;
  background: var(--surface-card); color: var(--ink);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 500; font-size: 0.875rem;
}
.dialogue-col__label { font-size: 0.8125rem; color: var(--muted); }
.dialogue-col__name { font-size: 1.0625rem; font-weight: 500; color: var(--ink); margin: 0; line-height: 1.2; }
.dialogue-bubble {
  background: var(--canvas); border: 1px solid var(--hairline);
  border-radius: var(--r-lg); padding: 1.125rem 1.375rem;
  font-size: 0.9375rem; line-height: 1.6; color: var(--body-strong);
  margin-bottom: 0.75rem; position: relative;
}
.dialogue-bubble--manager { border-color: var(--primary-soft); background: var(--primary-soft); }
.empathy-bridge {
  margin-top: 3.5rem; padding: 2rem;
  background: var(--surface-soft); border-radius: var(--r-lg);
  text-align: center;
  font-family: var(--font-display); font-size: 1.375rem; color: var(--ink); font-weight: 500;
  line-height: 1.5;
}
.empathy-bridge .arrow-down {
  display: block; margin: 0 auto 1.125rem; width: 1px; height: 2rem; background: var(--primary);
}

/* ===== Value section ===== */
.value-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start; }
.value-list { display: flex; flex-direction: column; gap: 0; }
.value-row {
  display: grid; grid-template-columns: 3.5rem 1fr; gap: 1.25rem;
  padding: 1.5rem 0; border-bottom: 1px solid var(--hairline-soft);
  align-items: start;
}
.value-row:last-child { border-bottom: 0; }
.value-row__num {
  font-family: var(--font-display); font-size: 1.375rem; color: var(--primary); font-weight: 500;
}
.value-row__title { font-size: 1.0625rem; font-weight: 600; color: var(--ink); margin: 0 0 0.5rem; }
.value-row__desc { font-size: 0.875rem; color: var(--body); line-height: 1.7; margin: 0; }

.value-pull {
  background: var(--primary); color: var(--on-primary);
  padding: 2.5rem; border-radius: var(--r-lg);
  position: sticky; top: 6.25rem;
}
.value-pull__eyebrow {
  font-size: 0.6875rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(255,255,255,0.65); margin-bottom: 1.25rem;
}
.value-pull__heading {
  font-family: var(--font-display); font-weight: 500;
  font-size: 1.75rem; line-height: 1.45; margin: 0 0 1.25rem;
}
.value-pull__body { font-size: 0.875rem; line-height: 1.85; color: rgba(255,255,255,0.85); margin: 0; }

/* ===== Services ===== */
.services-grid--2x2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.service-card {
  background: var(--canvas); border: 1px solid var(--hairline);
  border-radius: var(--r-lg); padding: 2rem;
  display: flex; flex-direction: column; gap: 1rem;
  transition: border-color .15s ease;
}
.service-card:hover { border-color: var(--primary); }
.service-card__head {
  display: flex; align-items: center; gap: 0.75rem;
}
.service-card__icon {
  width: 2.75rem; height: 2.75rem; border-radius: var(--r-md);
  display: inline-flex; align-items: center; justify-content: center;
}
.service-card__category {
  font-size: 0.6875rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted);
}
.service-card__title { font-family: var(--font-display); font-size: 1.5rem; font-weight: 500; color: var(--ink); margin: 0; line-height: 1.2; }
.service-card__lede { font-size: 0.875rem; color: var(--body); line-height: 1.8; margin: 0; }
.service-card__list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.service-card__list li {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.8125rem; color: var(--body-strong);
}
.service-card__list li::before {
  content: ""; width: 0.25rem; height: 0.25rem; border-radius: 50%; background: var(--muted-soft); flex-shrink: 0;
}
.service-card--terra .service-card__icon { background: var(--accent-terra-soft); color: var(--accent-terra-ink); }
.service-card--blue .service-card__icon { background: var(--primary-soft); color: var(--primary); }
.service-card--teal .service-card__icon { background: var(--accent-teal-soft); color: var(--accent-teal-ink); }
.service-card--amber .service-card__icon { background: var(--accent-amber-soft); color: var(--accent-amber-ink); }
.service-card--terra:hover { border-color: var(--accent-terra); }
.service-card--teal:hover { border-color: var(--accent-teal); }
.service-card--amber:hover { border-color: var(--accent-amber); }

/* Services tabs */
.services-tabs { display: flex; flex-direction: column; gap: 0; }
.services-tab-row {
  display: flex; gap: 0.5rem; flex-wrap: wrap;
  border-bottom: 1px solid var(--hairline); padding-bottom: 0; margin-bottom: 2rem;
}
.services-tab {
  display: inline-flex; align-items: center; gap: 0.625rem;
  padding: 0.875rem 1.375rem; border: 0; background: transparent;
  font-size: 0.875rem; font-weight: 500; color: var(--muted);
  border-bottom: 0.125rem solid transparent; cursor: pointer;
  margin-bottom: -0.0625rem;
  transition: color .15s, border-color .15s;
}
.services-tab .tab-num { font-family: var(--font-display); font-size: 0.75rem; color: var(--muted-soft); }
.services-tab.is-active { color: var(--ink); border-bottom-color: var(--primary); }
.services-tab.is-active .tab-num { color: var(--primary); }
.services-panel {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 3.5rem;
  padding: 1.5rem 0;
}
.services-panel__title { font-family: var(--font-display); font-size: 2.25rem; font-weight: 500; color: var(--ink); margin: 0 0 1rem; line-height: 1.2; }
.services-panel__desc { font-size: 0.9375rem; color: var(--body); line-height: 1.85; margin: 0; }
.services-panel__list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem 1.5rem; }
.services-panel__list li {
  font-size: 0.875rem; color: var(--body-strong);
  padding: 0.875rem 0; border-bottom: 1px dashed var(--hairline);
  display: flex; align-items: center; justify-content: space-between;
}
.services-panel__list li .num { font-family: var(--font-mono); font-size: 0.6875rem; color: var(--muted-soft); }

/* Services stack */
.services-stack { display: flex; flex-direction: column; gap: 0; }
.service-row {
  display: grid; grid-template-columns: 15rem 1fr 1fr; gap: 3.5rem;
  padding: 3rem 0; border-bottom: 1px solid var(--hairline);
  align-items: start;
}
.service-row:last-child { border-bottom: 0; }
.service-row__num { font-family: var(--font-display); font-size: 0.875rem; color: var(--muted); letter-spacing: 0.2em; }
.service-row__title { font-family: var(--font-display); font-size: 2rem; font-weight: 500; color: var(--ink); margin: 1rem 0 0; line-height: 1.2; }
.service-row__category { font-size: 0.75rem; color: var(--muted); letter-spacing: 0.12em; }
.service-row__chip {
  display: inline-flex; padding: 0.25rem 0.75rem; border-radius: var(--r-pill);
  font-size: 0.6875rem; letter-spacing: 0.1em; font-weight: 500; margin-top: 1rem;
}
.service-row--terra .service-row__chip { background: var(--accent-terra-soft); color: var(--accent-terra-ink); }
.service-row--blue .service-row__chip { background: var(--primary-soft); color: var(--primary-active); }
.service-row--teal .service-row__chip { background: var(--accent-teal-soft); color: var(--accent-teal-ink); }
.service-row--amber .service-row__chip { background: var(--accent-amber-soft); color: var(--accent-amber-ink); }
.service-row__desc { font-size: 0.9375rem; color: var(--body); line-height: 1.9; margin: 0; }
.service-row__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.625rem; }
.service-row__list li { display: flex; align-items: baseline; gap: 0.625rem; font-size: 0.8125rem; color: var(--body-strong); }
.service-row__list li::before { content: "/"; color: var(--muted-soft); font-family: var(--font-mono); font-size: 0.75rem; }