/* ============================================================
   Design Tokens
   ============================================================ */
:root {
  --blue:            #2563eb;
  --sky:             #38bdf8;
  --blue-dark:       #1d4ed8;
  --text-primary:    #0f172a;
  --text-muted:      #475569;
  --text-subtle:     #64748b;
  --bg-body:         #f8fbff;
  --bg-surface:      #ffffff;
  --bg-surface-alt:  #f3f8ff;
  --border-light:    rgba(148, 163, 184, 0.28);
  --shadow-card:     0 16px 48px rgba(15, 23, 42, 0.07);
  --shadow-cta:      0 18px 40px rgba(37, 99, 235, 0.30);
  --shadow-header:   0 12px 40px rgba(15, 23, 42, 0.08);
  --radius-card:     28px;
  --radius-card-lg:  32px;
  --font-display:    'Noto Sans JP', 'Plus Jakarta Sans', 'Avenir Next', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --font-sans:       'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
}

/* ============================================================
   Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.site-body {
  margin: 0;
  background-color: var(--bg-body);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

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

::selection { background: rgba(59, 130, 246, 0.18); }

.display-text {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
}

/* ============================================================
   Header / Navbar
   ============================================================ */
header.sticky-top {
  height: 0;
  top: 1rem;
}

/* PC時: スクロール中はヘッダーを非表示 */
@media (min-width: 768px) {
  header.sticky-top {
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  header.sticky-top.header-hidden {
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
  }
}

/* SP時: スクロール中はロゴのみ非表示 */
@media (max-width: 767.98px) {
  .header-logo {
    transition: opacity 0.3s ease;
  }
  .header-logo.header-logo-hidden {
    opacity: 0;
    pointer-events: none;
  }
}

.header-inner {
  padding: 0.6rem 1.5rem;
  max-width: 1200px;
}

.navbar { padding: 0; }

.header-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Plus Jakarta Sans', 'Avenir Next', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  text-decoration: none;
  transition: color 0.25s ease;
}
.header-logo:hover { color: var(--blue); }

.site-logo-img {
  height: 1em;
  width: 1em;
  object-fit: contain;
  border-radius: 3px;
  flex-shrink: 0;
  display: block;
}

.header-nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted) !important;
  padding: 0.45rem 0.75rem !important;
  border-radius: 9999px;
  transition: color 0.2s, background 0.2s;
}
.header-nav-link:hover,
.header-nav-link.active {
  color: var(--blue) !important;
  background: rgba(37, 99, 235, 0.06);
}

.header-toggler {
  border-radius: 50% !important;
  padding: 0.4rem !important;
  color: var(--text-primary) !important;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
}
.header-toggler:focus { box-shadow: none !important; }

/* Hamburger lines */
.header-toggler-lines {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 20px;
}

.header-toggler-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

/* X state */
.header-toggler[aria-expanded="true"] .header-toggler-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.header-toggler[aria-expanded="true"] .header-toggler-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.header-toggler[aria-expanded="true"] .header-toggler-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Nav overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  z-index: 1019;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.nav-overlay--active {
  opacity: 1;
  pointer-events: auto;
}

/* Mobile nav dropdown */
.navbar-collapse {
  background: #ffffff;
  border-radius: 20px;
  margin-top: 0.75rem;
  padding: 0.75rem;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}
@media (min-width: 768px) {
  .navbar-collapse {
    background: transparent;
    border: none;
    border-radius: 0;
    margin-top: 0;
    padding: 0;
    box-shadow: none;
  }
}

/* ============================================================
   Buttons
   ============================================================ */
.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2.25rem;
  background: linear-gradient(135deg, var(--blue) 0%, var(--sky) 100%);
  color: #ffffff !important;
  border: none;
  border-radius: 9999px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  box-shadow: var(--shadow-cta);
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  line-height: 1.4;
}
.btn-primary-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 48px rgba(37, 99, 235, 0.36);
  color: #ffffff !important;
}

.btn-primary-custom.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}


/* Icon-only button (FV GitHub link etc.) */
.btn-icon-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-primary);
  border: 1.5px solid var(--border-light);
  border-radius: 9999px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  transition: color 0.2s, border-color 0.2s, transform 0.2s;
  text-decoration: none;
}
.btn-icon-custom:hover {
  color: var(--blue);
  border-color: var(--blue);
  transform: translateY(-2px);
}

.btn-secondary-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2.25rem;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-primary) !important;
  border: 1.5px solid var(--border-light);
  border-radius: 9999px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  transition: transform 0.2s, border-color 0.2s, color 0.2s, background 0.2s;
  text-decoration: none;
  line-height: 1.4;
}
.btn-secondary-custom:hover {
  transform: translateY(-2px);
  border-color: rgba(37, 99, 235, 0.4);
  color: var(--blue) !important;
  background: rgba(239, 246, 255, 0.9);
}

/* Icon link buttons (footer, social) */
.btn-icon-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}
.btn-icon-link:hover {
  color: var(--blue);
  border-color: rgba(37, 99, 235, 0.35);
}

/* ============================================================
   Cards
   ============================================================ */
.card-panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.97), rgba(248,251,255,0.93));
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.card-panel-lg {
  border-radius: var(--radius-card-lg);
}

.card-dark-gradient {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 55%, #0ea5e9 100%);
  border-radius: var(--radius-card);
  color: #ffffff;
}


.works-prep-fields {
  padding-top: 0;
}

.works-prep-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue);
  margin-bottom: 0.9rem;
}

.works-prep-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
  font-size: 0.84rem;
  line-height: 1.9;
}

.works-detail-list {
  display: grid;
  gap: 1rem;
}

.works-detail-item {
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.works-detail-item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.works-detail-label {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.45rem;
}

.works-detail-value {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.85;
  margin: 0;
}

.works-detail-link {
  color: var(--blue);
  text-decoration: none;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.works-detail-link:hover {
  text-decoration: underline;
}

/* ============================================================
   Section Base
   ============================================================ */
.section-py {
  padding-top: 5.5rem;
  padding-bottom: 5.5rem;
}

.section-py-sm {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.eyebrow-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue);
  margin-bottom: .5rem;
  padding-left: .3rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 2rem;
  display: block;
}

@media (min-width: 768px) {
  .section-title {
    text-align: center;
  }
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.85;
  max-width: 720px;
}

@media (min-width: 768px) {
  .section-desc {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #ffffff 0%, #ecfeff 48%, #eff6ff 100%);
  padding: 7rem 1rem 4rem;
}

/* Blur blob 装飾 */
.hero-blob {
  position: absolute;
  width: 20rem;
  height: 20rem;
  border-radius: 9999px;
  filter: blur(72px);
  opacity: 0.6;
  animation: blob-move 8s ease-in-out infinite;
}
@keyframes blob-move {
  0%, 100% { transform: scale(1) translate(0, 0); }
  33%       { transform: scale(1.1) translate(2%, -3%); }
  66%       { transform: scale(0.92) translate(-2%, 2%); }
}

.hero-label {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 1.1rem;
  background: rgba(207, 250, 254, 0.7);
  border: 1px solid rgba(103, 232, 249, 0.5);
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #0e7490;
  margin-bottom: 1.75rem;
}

.display-hero {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 2rem;
}
@media (max-width: 767.98px) {
  .display-hero br { display: none; }
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  color: #38bdf8;
  opacity: 0.9;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}
.hero-scroll-line {
  width: 2px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, currentColor);
  animation: scrollLineAnim 1.8s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scrollLineAnim {
  0%   { transform: scaleY(0); opacity: 0; transform-origin: top; }
  40%  { transform: scaleY(1); opacity: 1; transform-origin: top; }
  60%  { transform: scaleY(1); opacity: 1; transform-origin: bottom; }
  100% { transform: scaleY(0); opacity: 0; transform-origin: bottom; }
}
.hero-scroll-indicator svg {
  animation: scrollChevron 1.8s ease-in-out infinite;
}
@keyframes scrollChevron {
  0%, 100% { transform: translateY(0);   opacity: 0.6; }
  50%       { transform: translateY(6px); opacity: 1; }
}

.gradient-text {
  background: linear-gradient(135deg, #0f172a 0%, #155e75 40%, #1d4ed8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.85;
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

/* ============================================================
   Tech Badges / Tags
   ============================================================ */
.tech-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.85rem;
  background: rgba(239, 246, 255, 0.85);
  border: 1px solid rgba(147, 197, 253, 0.5);
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #1d4ed8;
  text-decoration: none;
  transition: background 0.2s;
}


/* ============================================================
   Works Card
   ============================================================ */
.works-card-header {
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
  border-radius: calc(var(--radius-card) - 2px) calc(var(--radius-card) - 2px) 0 0;
  padding: 1.75rem;
  color: #ffffff;
  position: relative;
}

.works-card-header--image {
  background-color: #1e3a8a;
  background-size: cover;
  background-position: center top;
  min-height: 200px;
  display: flex;
  align-items: flex-end;
}

.works-card-header--image::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    to bottom,
    rgba(10, 20, 50, 0.25) 0%,
    rgba(10, 20, 50, 0.78) 100%
  );
}

.works-card-header-inner {
  position: relative;
  z-index: 1;
}


.works-card {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  background: #ffffff;
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.works-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.works-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.works-single-column {
  max-width: 900px;
}

.works-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  padding: 1.5rem 0 0;
}

.works-filter-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.works-filter-btn {
  padding: 0.35em 1em;
  border-radius: 999px;
  border: 1.5px solid var(--border-light);
  background: transparent;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  line-height: 1.6;
}

.works-filter-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.works-filter-btn.is-active {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.works-filter-search {
  position: relative;
  margin-left: auto;
}

.works-search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-subtle);
  pointer-events: none;
}

.works-search-input {
  padding: 0.4em 0.85em 0.4em 2.2em;
  border-radius: 999px;
  border: 1.5px solid var(--border-light);
  font-size: 0.85rem;
  color: var(--text-primary);
  background: #fff;
  outline: none;
  transition: border-color 0.15s;
  width: 200px;
}

.works-search-input:focus {
  border-color: var(--blue);
}

.works-grid-item {
  transition: opacity 0.2s;
}

.works-grid-item.is-hidden {
  display: none;
}

.works-no-results {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  padding: 2rem 0;
}

@media (max-width: 767.98px) {
  .works-filter {
    gap: 1.25rem;
    justify-content: center;
  }

  .works-filter-search {
    margin-left: 0;
    width: 100%;
  }

  .works-search-input {
    width: 100%;
    padding-top: 0.65em;
    padding-bottom: 0.65em;
    font-size: 0.95rem;
  }
}

/* ============================================================
   Contact Form
   ============================================================ */
.contact-form-control {
  border: 1px solid var(--border-light) !important;
  border-radius: 9999px !important;
  background: #ffffff !important;
  padding: 0.75rem 1.25rem !important;
  font-size: 0.95rem !important;
  font-size: 0.9rem !important;
  color: var(--text-primary) !important;
  transition: border-color 0.2s !important;
  box-shadow: none !important;
}
.contact-form-control:focus {
  border-color: rgba(37, 99, 235, 0.5) !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08) !important;
}

textarea.contact-form-control {
  border-radius: 18px !important;
  resize: vertical;
  min-height: 10rem;
}

.contact-form-control.is-invalid {
  border-color: #f43f5e !important;
}

.form-label-custom {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.required-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.1em 0.5em;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.6;
  color: #fff;
  background: var(--blue);
  border-radius: 4px;
  letter-spacing: 0.04em;
  vertical-align: middle;
}

.contact-required-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
}

.contact-section {
  padding-bottom: 6rem;
}

.contact-sidebar-links {
  margin-bottom: 1.5rem;
}

.contact-info-card {
  height: auto;
}

.contact-sidebar-links a {
  overflow-wrap: anywhere;
  word-break: break-word;
}

@media (min-width: 992px) {
  .contact-sidebar {
    padding-bottom: 3rem;
  }

  .contact-sidebar-links {
    margin-bottom: 2rem;
  }
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer-section {
  padding: 4rem 0 2.5rem;
}

.footer-panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.97), rgba(248,251,255,0.93));
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card-lg);
  box-shadow: var(--shadow-card);
  padding: 2.5rem;
}

.footer-name {
  font-family: 'Plus Jakarta Sans', 'Avenir Next', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.footer-name-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  line-height: 1;
  font-family: 'Plus Jakarta Sans', 'Avenir Next', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-name-link:hover {
  color: var(--blue);
}

.footer-nav {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem 1.5rem;
  margin-bottom: 1rem;
}

.footer-nav a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: var(--blue);
}

/* Footer social icon links */
.footer-nav-divider {
  display: inline-block;
  width: 1px;
  height: 14px;
  background: var(--border-light);
  align-self: center;
  margin: 0 0.15rem;
}
.footer-social-group {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}
.footer-social-link {
  display: inline-flex;
  align-items: center;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-social-link:hover {
  color: var(--blue);
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--blue); }

@media (max-width: 991.98px) {
  .footer-nav {
    justify-content: flex-start;
  }
}

@media (max-width: 699.98px) {
  .footer-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .footer-nav a {
    font-size: .9rem;
    padding: 0.2rem 0;
    display: inline-block;
  }
}

/* ============================================================
   Summary / Info Cards
   ============================================================ */
.summary-card {
  padding: 1.75rem;
  border-radius: var(--radius-card);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  text-decoration: none;
  color: inherit;
}
.summary-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: 0 24px 56px rgba(15, 23, 42, 0.10);
}

.summary-card-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

/* ============================================================
   Skill Category Cards
   ============================================================ */
.skill-card {
  padding: 1.75rem;
  border-radius: var(--radius-card);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.skills-stack {
  display: grid;
  gap: 1.5rem;
}

.skills-stack .skill-card {
  gap: 0.65rem;
}

.skills-layout {
  max-width: 1100px;
}

.skill-years-list {
  display: grid;
  gap: 0.85rem;
}

.skill-years-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.skill-years-item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.skill-years-name {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.skill-years-icon {
  width: 1.375rem;
  height: 1.375rem;
  flex-shrink: 0;
}

.skill-years-value {
  flex-shrink: 0;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.skill-highlight-list {
  display: grid;
  gap: 0.85rem;
}

.skill-highlight-item {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 0.75rem 1rem;
  align-items: baseline;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.skill-highlight-item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.skill-highlight-label {
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.6;
}

.skill-highlight-detail {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.75;
}

@media (max-width: 575.98px) {
  .skill-highlight-item {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}


/* ============================================================
   Contact CTA Banner
   ============================================================ */
.contact-cta-banner {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 55%, #0ea5e9 100%);
  border-radius: var(--radius-card-lg);
  color: #ffffff;
  padding: 3.5rem 3rem;
  overflow: hidden;
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.20);
}

.contact-cta-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(125, 211, 252, 0.9);
  margin-bottom: 1rem;
}

.contact-cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.contact-cta-desc {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.8;
}

/* ============================================================
   Profile Page
   ============================================================ */
.about-card {
  padding: 2rem;
  border-radius: var(--radius-card);
  height: 100%;
}

.about-card-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.about-card-body {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.9;
  margin: 0;
}

.profile-single-column {
  max-width: 900px;
}

.profile-section-card {
  padding: 2rem;
}

.profile-single-column > * + * {
  margin-top: 1.5rem;
}

/* タイポグラフィのみ共通 — 余白はコンテキスト側で管理 */
.profile-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  margin: 0;
}

.profile-copy-stack > * + * {
  margin-top: 1.5rem;
}

.profile-section-body,
.works-card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.9;
  margin: 0;
  padding: 0;
}

/* プロフィールページ用の余白 */
.profile-section-card .profile-section-title {
  margin-bottom: 1rem;
}

.profile-section-card .profile-section-body {
  padding: 0.4rem 0;
}

/* スキルページ用の余白（flex gap で制御するため追加余白なし） */
.skill-card .profile-section-title {
  margin-bottom: 0;
}

.skill-card .profile-section-body {
  padding: .5rem 0;
}

.profile-detail-grid {
  display: grid;
  gap: 1.5rem;
}

.profile-split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(240px, 320px);
  gap: 2rem;
  align-items: start;
}

.profile-photo-column {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.profile-photo,
.profile-photo-placeholder {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 4 / 5;
  border-radius: 24px;
}

.profile-photo {
  object-fit: cover;
  display: block;
}

.profile-photo-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(37, 99, 235, 0.78), rgba(56, 189, 248, 0.72));
  color: rgba(255, 255, 255, 0.92);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.profile-detail-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.profile-detail-row:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.profile-detail-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue);
}

.profile-detail-value {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.9;
}

.profile-detail-value strong {
  font-size: 1.05rem;
  color: var(--text-primary);
  font-weight: 700;
}

.profile-history-list {
  display: grid;
  gap: 1rem;
}

.profile-history-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 1rem;
  align-items: baseline;
}

.profile-history-year {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-primary);
}

.profile-history-body {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.85;
}

@media (max-width: 767.98px) {
  .profile-split-layout,
  .profile-detail-row,
  .profile-history-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .profile-photo-column {
    justify-content: flex-start;
  }
}

.profile-detail-entry {
  padding: 0.5rem 0;
}

.profile-detail-entry:first-child {
  padding-top: 0;
}

.profile-detail-entry:last-child {
  padding-bottom: 0;
}

.profile-social-icons {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.profile-social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(148, 163, 184, 0.35);
  color: var(--text-muted);
  transition: color 0.15s, border-color 0.15s;
  position: relative;
}

.profile-social-icon:hover {
  color: var(--blue);
  border-color: var(--blue);
}

/* Tooltip 吹き出し */
.profile-social-icon[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  background: var(--text-primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.25em 0.6em;
  border-radius: 4px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
}

.profile-social-icon[data-tooltip]::after {
  content: '';
  position: absolute;
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--text-primary);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
}

.profile-social-icon[data-tooltip]:hover::before,
.profile-social-icon[data-tooltip]:hover::after {
  opacity: 1;
}


.profile-links-list {
  display: grid;
  gap: 0;
}

.profile-link-item {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
  text-decoration: none;
  color: inherit;
  transition: opacity 0.15s;
}

.profile-link-item:last-child {
  border-bottom: none;
}

.profile-link-item:hover {
  opacity: 0.7;
}

.profile-link-label {
  flex-shrink: 0;
  width: 90px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue);
}

.profile-link-value {
  font-size: 0.925rem;
  color: var(--text-muted);
  word-break: break-all;
}

/* ============================================================
   Page Hero (inner pages)
   ============================================================ */
.page-hero {
  padding: 8rem 1rem 3rem;
  text-align: center;
}

.page-hero + .section-py,
.page-hero + .section-py-sm {
  padding-top: 3rem;
}

@media (max-width: 767.98px) {
  .page-hero {
    padding-bottom: 2rem;
  }
  .page-hero + .section-py,
  .page-hero + .section-py-sm {
    padding-top: 1.5rem;
  }
  .section-py {
    padding-bottom: 0;
  }
}

.page-hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue);
  margin-bottom: 1rem;
}

.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.page-hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.85;
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================================
   Alert / Status Messages
   ============================================================ */
.alert-success-custom {
  background: rgba(236, 253, 245, 0.9);
  border: 1px solid rgba(167, 243, 208, 0.8);
  border-radius: 14px;
  color: #065f46;
  padding: 0.85rem 1.1rem;
  font-size: 0.875rem;
}

.alert-error-custom {
  background: rgba(255, 241, 242, 0.9);
  border: 1px solid rgba(253, 164, 175, 0.7);
  border-radius: 14px;
  color: #9f1239;
  padding: 0.85rem 1.1rem;
  font-size: 0.875rem;
}

/* ============================================================
   Utilities
   ============================================================ */

/* ============================================================
   Mobile padding overrides (≤767px)
   カード内側余白を .max-w-container の横 padding (1.25rem) に揃える
   ============================================================ */
@media (max-width: 767.98px) {
  .header-inner {
    padding-left: .8rem;
    padding-right: .8rem;
  }

  .skill-card,
  .about-card,
  .summary-card,
  .profile-section-card,
  .works-card-header,
  .works-card-body,
  .footer-panel {
    padding: 1.25rem;
  }

  /* Bootstrap p-4 / p-sm-5 ユーティリティクラスのオーバーライド */
  .card-panel.p-4,
  .card-panel.p-5,
  .card-panel.p-sm-5 {
    padding: 1.25rem !important;
  }
}

/* Hero blobs */
.hero-blob-1 { top: 4rem;    left: -2rem;  background: rgba(103, 232, 249, 0.28); animation-delay: 0s;   }
.hero-blob-2 { top: 6rem;    right: -2rem; background: rgba(147, 197, 253, 0.22); animation-delay: 2.5s; }
.hero-blob-3 { bottom: -3rem; left: 12rem; background: rgba(103, 232, 249, 0.18); animation-delay: 5s;   }

.hero-content { position: relative; z-index: 1; }

/* Summary card */
.summary-card-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.85;
  margin: 0;
}

/* Section tint background */
.section-bg-tint { background: rgba(248, 251, 255, 0.7); }

/* Skill card alternate background */
.skill-card--alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, .98), rgba(239, 246, 255, .93));
}



/* Works card header elements */
.works-card-stack-label {
  font-size: .7rem;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .55);
  margin-bottom: .6rem;
}

.works-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: .5rem;
}

.works-card-highlight {
  font-size: .85rem;
  color: rgba(255, 255, 255, .72);
  line-height: 1.7;
  margin: 0;
}

/* Works card body */
.works-card-desc {
  flex: 1;
  margin-bottom: 1.1rem;
}

.works-card-link {
  font-size: .85rem;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
  transition: color 0.2s;
}
.works-card-link:hover {
  color: var(--blue-dark);
}

/* Contact intro */
.contact-sending {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  color: var(--blue);
  font-size: 1rem;
  font-weight: 600;
  width: 100%;
}
.contact-sending-spinner {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  border: 2.5px solid rgba(37, 99, 235, 0.25);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.contact-intro {
  padding-top: 2rem;
  padding-bottom: 1rem;
}
.contact-intro-lead {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 1rem;
  text-align: center;
}
.contact-intro-note {
  font-size: 0.85rem;
  color: var(--text-subtle);
  text-align: center;
}
.contact-intro-link {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.contact-intro-link:hover {
  color: var(--blue-dark);
}

.privacy-agree-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.privacy-agree-group input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
  accent-color: var(--blue);
  cursor: pointer;
}

.privacy-agree-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1.5;
}


/* Privacy Policy */
.privacy-updated {
  font-size: 0.82rem;
  color: var(--text-subtle);
  margin-bottom: 2rem;
}
.privacy-body p,
.privacy-body ul {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 1rem;
}
.privacy-body ul {
  padding-left: 1.4rem;
}
.privacy-body h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-light);
}
.privacy-body a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.privacy-body a:hover {
  color: var(--blue-dark);
}

/* Contact */
.contact-sidebar-heading {
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.contact-success-icon {
  width: 3rem;
  height: 3rem;
  background: rgba(209, 250, 229, .7);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.contact-success-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .75rem;
}

.contact-success-body {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

/* Inquiry type checkboxes (pill style) */
.inquiry-type-group {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}
.inquiry-type-option input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.inquiry-type-option label {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .4rem .85rem;
  border-radius: 999px;
  border: 1.5px solid var(--border-light);
  font-size: .875rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color .15s, background .15s, color .15s;
  user-select: none;
}
.inquiry-type-option label:hover {
  border-color: var(--blue);
  color: var(--blue);
}
.inquiry-type-option input[type="checkbox"]:checked + label {
  background: rgba(37, 99, 235, .08);
  border-color: var(--blue);
  color: var(--blue);
  font-weight: 600;
}
.inquiry-type-option input[type="checkbox"]:focus-visible + label {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* Form validation error */
.form-error-msg {
  font-size: .8rem;
  color: #f43f5e;
  margin-top: .3rem;
  padding-left: .5rem;
}

.privacy-agree-group + .form-error-msg {
  text-align: center;
  padding-left: 0;
}

/* Profile detail grid without gap */
.profile-detail-grid--no-gap { gap: 0; }


.text-muted-custom { color: var(--text-muted) !important; font-size: 0.75rem; }
.text-subtle { color: var(--text-subtle) !important; }
.text-primary-custom { color: var(--text-primary) !important; }
.text-blue { color: var(--blue) !important; }

.max-w-container {
  max-width: 1200px;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 992px) {
  .max-w-container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}