:root {
  --bg: #ffffff;
  --text: #0b0b0d;
  --muted: #5a5f69;
  --border: #e8e9ed;
  --accent: #ebc739;
  --accent-ink: #0b0b0d;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --radius: 18px;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans",
    "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.55;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.is-todo {
  text-decoration-style: dashed;
  text-decoration-color: rgba(0, 0, 0, 0.35);
}

.btn:focus-visible,
.nav a:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(235, 199, 57, 0.65);
  outline-offset: 3px;
  border-radius: 12px;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.muted {
  color: var(--muted);
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 10px 12px;
  background: var(--accent);
  border-radius: 12px;
  transform: translateY(-200%);
  transition: transform 140ms ease;
  z-index: 1000;
}

.skip-link:focus {
  transform: translateY(0);
  outline: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(232, 233, 237, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo {
  width: 220px;
  height: auto;
}

.nav {
  display: flex;
  gap: 18px;
  align-items: center;
}

.nav a {
  text-decoration: none;
  padding: 10px 10px;
  border-radius: 12px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.2px;
}

.nav a:hover {
  background: rgba(235, 199, 57, 0.18);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.2px;
  cursor: pointer;
  user-select: none;
}

.btn-accent {
  background: var(--accent);
  border-color: transparent;
  box-shadow: 0 10px 18px rgba(235, 199, 57, 0.28);
}

.btn-accent:hover {
  filter: saturate(1.05) contrast(1.02);
}

.btn-ghost {
  background: transparent;
}

.btn-ghost:hover {
  background: rgba(0, 0, 0, 0.04);
}

.hero {
  background:
    radial-gradient(1200px 500px at 20% 10%, rgba(235, 199, 57, 0.22), transparent 60%),
    radial-gradient(900px 600px at 80% 0%, rgba(0, 0, 0, 0.06), transparent 55%);
  padding: 48px 0 26px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 26px;
  align-items: start;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  padding: 8px 12px;
  background: rgba(235, 199, 57, 0.18);
  border: 1px solid rgba(235, 199, 57, 0.28);
  border-radius: 999px;
  font-weight: 800;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.8px;
}

.lead {
  margin: 0 0 18px;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 18px 0 14px;
}

.hero-badges {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-badges li {
  padding: 8px 12px;
  border: 1px solid rgba(232, 233, 237, 0.9);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  font-weight: 700;
}

.callout {
  margin: 0;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px dashed rgba(0, 0, 0, 0.18);
  background: rgba(255, 255, 255, 0.85);
}

.hero-card {
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(232, 233, 237, 0.9);
  box-shadow: var(--shadow);
  padding: 18px;
}

.card-title {
  margin: 0 0 12px;
  font-size: 18px;
}

.kv {
  margin: 0;
}

.kv > div {
  display: grid;
  grid-template-columns: minmax(150px, 220px) minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.kv > div:last-child {
  border-bottom: none;
}

.kv dt {
  font-weight: 900;
  overflow-wrap: anywhere;
  word-break: break-word;
  hyphens: auto;
}

.kv dd {
  margin: 0;
  min-width: 0;
}

.card-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.section {
  padding: 54px 0;
}

.section-alt {
  background: rgba(0, 0, 0, 0.02);
  border-top: 1px solid rgba(232, 233, 237, 0.9);
  border-bottom: 1px solid rgba(232, 233, 237, 0.9);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.section-head h2 {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.3px;
}

.grid {
  display: grid;
  gap: 14px;
}

.cards {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.03);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.projects {
  display: grid;
  gap: 12px;
}

.project {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #fff;
  overflow: hidden;
}

.project-head {
  width: 100%;
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 16px 16px;
  border: none;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.project-head:hover {
  background: rgba(235, 199, 57, 0.12);
}

.project-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background:
    radial-gradient(circle at 30% 30%, rgba(235, 199, 57, 0.8), rgba(235, 199, 57, 0.3)),
    linear-gradient(180deg, rgba(0, 0, 0, 0.88), rgba(0, 0, 0, 0.72));
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 10px 18px rgba(0, 0, 0, 0.08);
  position: relative;
}

.project-icon::after {
  content: "";
  position: absolute;
  inset: 8px;
  background: var(--accent);
  clip-path: polygon(55% 0%, 10% 55%, 44% 55%, 30% 100%, 90% 40%, 58% 40%);
  filter: drop-shadow(0 6px 8px rgba(0, 0, 0, 0.18));
}

.project-title {
  font-weight: 950;
  letter-spacing: -0.2px;
}

.project-meta {
  color: var(--muted);
  font-weight: 800;
}

.project-body {
  border-top: 1px solid var(--border);
  overflow: hidden;
}

.project-body[data-accordion-state] {
  height: 0;
  opacity: 0;
  transform: translateY(-6px);
  transition:
    height 280ms cubic-bezier(0.2, 0.8, 0.2, 1),
    opacity 180ms ease,
    transform 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: height;
}

.project-body[data-accordion-state="open"] {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .project-body[data-accordion-state] {
    transition: none;
  }
}

.project-content {
  padding: 16px;
}

.project-content p {
  margin: 0 0 12px;
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 12px;
}

.project-gallery figure {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
}

.project-gallery .span-all {
  grid-column: 1 / -1;
}

.project-gallery a {
  display: block;
  text-decoration: none;
}

.project-gallery img {
  width: 100%;
  height: auto;
  object-fit: contain;
  background: #fff;
}

.project-gallery figcaption {
  padding: 10px 12px;
  font-weight: 900;
  color: var(--muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 14px;
  align-items: start;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.contact-list li {
  display: grid;
  grid-template-columns: minmax(140px, 220px) minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.label {
  font-weight: 950;
}

.notice {
  margin-top: 16px;
  padding: 14px;
  border-radius: 14px;
  border: 1px dashed rgba(0, 0, 0, 0.18);
  background: rgba(235, 199, 57, 0.12);
}

.notice p {
  margin: 8px 0 0;
}

.map iframe {
  width: 100%;
  height: 360px;
  border: 0;
  border-radius: 14px;
}

.map-hint {
  margin: 10px 0 0;
}

.site-footer {
  border-top: 1px solid rgba(232, 233, 237, 0.9);
  padding: 26px 0 18px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-brand {
  font-weight: 1000;
  letter-spacing: -0.2px;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-weight: 800;
}

.footer-links a {
  text-decoration: none;
  padding: 10px 10px;
  border-radius: 12px;
}

.footer-links a:hover {
  background: rgba(0, 0, 0, 0.04);
}

.footer-bottom {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(232, 233, 237, 0.9);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 980px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .brand-logo {
    width: 190px;
  }
}

@media (max-width: 720px) {
  .nav {
    display: none;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .kv > div {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .contact-list li {
    grid-template-columns: 1fr;
    gap: 6px;
    align-items: start;
  }
  .project-head {
    grid-template-columns: 44px 1fr;
  }
  .project-meta {
    display: none;
  }
  .project-gallery {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
    animation: none !important;
  }
}