/* ==========================================================================
   NOZOMI — Web制作会社サイト
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #121118;
  --bg-soft: #1a1922;
  --ink: #f5f3ef;
  --ink-dim: #a9a6b3;
  --muted: #6e6b7a;
  --line: #2c2a37;
  --accent: #ff5a3c;
  --accent-dim: #c94a34;
  --mint: #7ce8d4;

  --font-display: "Space Grotesk", "Helvetica Neue", sans-serif;
  --font-body: "Inter", "Helvetica Neue", sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;

  --container: 1360px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

ul { list-style: none; }

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

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------- */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.85em 1.6em;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: background 0.35s ease, color 0.35s ease, border-color 0.35s ease;
  white-space: nowrap;
}

.btn:hover, .btn:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
  color: #14100e;
}

.btn__dots {
  display: inline-flex;
  gap: 3px;
}

.btn__dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.55;
}

.btn:hover .btn__dot:nth-child(1) { animation: dot-pulse 0.9s ease infinite; }
.btn:hover .btn__dot:nth-child(2) { animation: dot-pulse 0.9s ease 0.1s infinite; }
.btn:hover .btn__dot:nth-child(3) { animation: dot-pulse 0.9s ease 0.2s infinite; }

@keyframes dot-pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.4); }
}

.btn--solid {
  background: var(--accent);
  border-color: var(--accent);
  color: #14100e;
}
.btn--solid:hover, .btn--solid:focus-visible {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

/* --------------------------------------------------------------------
   Header
   -------------------------------------------------------------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--gutter);
  background: linear-gradient(to bottom, rgba(18,17,24,0.92), rgba(18,17,24,0));
  backdrop-filter: blur(6px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.logo__mark {
  width: 26px;
  height: 26px;
  position: relative;
  flex-shrink: 0;
}
.logo__mark span {
  position: absolute;
  border-radius: 50%;
  mix-blend-mode: screen;
}
.logo__mark span:nth-child(1) { width: 18px; height: 18px; background: var(--accent); top: 0; left: 0; }
.logo__mark span:nth-child(2) { width: 18px; height: 18px; background: var(--mint); bottom: 0; right: 0; }

.nav-desktop {
  display: none;
}

.nav-desktop ul {
  display: flex;
  gap: 2rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.nav-desktop a {
  position: relative;
  padding-bottom: 2px;
}
.nav-desktop a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--accent);
  transition: right 0.3s ease;
}
.nav-desktop a:hover::after, .nav-desktop a:focus-visible::after { right: 0; }

.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  z-index: 200;
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 900px) {
  .nav-desktop { display: block; }
  .menu-toggle { display: none; }
}

/* Mobile full-screen menu */
.site-menu {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: var(--bg);
  display: flex;
  align-items: center;
  padding: var(--gutter);
  transform: translateY(-100%);
  transition: transform 0.5s cubic-bezier(.77,0,.18,1);
}
.site-menu.is-open { transform: translateY(0); }

.site-menu nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.site-menu nav a {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 9vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  display: inline-block;
  transition: color 0.3s ease, transform 0.3s ease;
}
.site-menu nav a:hover, .site-menu nav a:focus-visible {
  color: var(--accent);
  transform: translateX(0.3em);
}

@media (min-width: 900px) {
  .site-menu { display: none; }
}

/* --------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------- */

.hero {
  position: relative;
  padding: clamp(7rem, 18vw, 11rem) var(--gutter) 0;
  overflow: hidden;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  color: var(--mint);
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 9vw, 7.5rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  max-width: 18ch;
}

.hero__title em {
  font-style: normal;
  color: var(--accent);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 780px) {
  .hero__grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: end;
  }
}

.hero__lead {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--ink-dim);
  max-width: 42ch;
}

.hero__meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-transform: uppercase;
}

.hero__meta strong {
  color: var(--ink);
  font-weight: 500;
}

/* Scroll strip */
.strip {
  padding-block: 2.5rem;
  overflow: hidden;
}
.strip__track {
  display: flex;
  gap: 1.25rem;
  width: max-content;
  animation: strip-scroll 32s linear infinite;
}
.strip:hover .strip__track { animation-play-state: paused; }

@keyframes strip-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.strip__item {
  width: clamp(220px, 26vw, 340px);
  aspect-ratio: 4 / 5;
  border-radius: 14px;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
}
.strip__item img { width: 100%; height: 100%; object-fit: cover; }

/* --------------------------------------------------------------------
   Section shared
   -------------------------------------------------------------------- */

section { padding-block: clamp(4rem, 9vw, 7rem); }

.section-head {
  display: grid;
  gap: 1.5rem;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

@media (min-width: 780px) {
  .section-head {
    grid-template-columns: 2fr 1fr;
    align-items: end;
  }
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  letter-spacing: -0.02em;
  line-height: 1.02;
}

.section-note {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.02em;
  max-width: 32ch;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.75rem;
  display: block;
}

/* --------------------------------------------------------------------
   Services
   -------------------------------------------------------------------- */

.services__list {
  border-top: 1px solid var(--line);
}

.service-row {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s ease;
}

@media (min-width: 780px) {
  .service-row {
    grid-template-columns: 4rem 1.6fr 1fr auto;
    align-items: center;
  }
}

.service-row:hover { background: rgba(255,90,60,0.04); }

.service-row__index {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 0.875rem;
}

.service-row__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: -0.01em;
}

.service-row__desc {
  color: var(--ink-dim);
  font-size: 0.95rem;
  max-width: 48ch;
}

.service-row__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--mint);
}
.service-row__tags span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.3em 0.8em;
}

/* --------------------------------------------------------------------
   Marquee (topics-style)
   -------------------------------------------------------------------- */

.marquee-wrap {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

.marquee-row {
  overflow: hidden;
  white-space: nowrap;
  margin-block: 0.4rem;
}

.marquee-row__track {
  display: inline-flex;
  gap: 2.5rem;
  animation: marquee 26s linear infinite;
  padding-right: 2.5rem;
}

.marquee-row--reverse .marquee-row__track {
  animation-direction: reverse;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.marquee-row__track span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 4.5vw, 3.2rem);
  letter-spacing: -0.01em;
  color: transparent;
  -webkit-text-stroke: 1px var(--ink-dim);
  display: inline-flex;
  align-items: center;
  gap: 2.5rem;
}

.marquee-row__track span::after {
  content: "\2022";
  color: var(--accent);
  -webkit-text-stroke: 0;
}

.marquee-row--filled .marquee-row__track span {
  color: var(--ink);
  -webkit-text-stroke: 0;
}

/* --------------------------------------------------------------------
   Work / Projects
   -------------------------------------------------------------------- */

.work-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .work-grid { grid-template-columns: repeat(2, 1fr); }
}

.work-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-soft);
  aspect-ratio: 5/4;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  border: 1px solid var(--line);
}

.work-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  transition: transform 0.6s ease, opacity 0.4s ease;
}

.work-card:hover img { transform: scale(1.06); opacity: 0.75; }

.work-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18,17,24,0.95), rgba(18,17,24,0.1) 60%);
}

.work-card__body {
  position: relative;
  z-index: 2;
}

.work-card__tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--mint);
  letter-spacing: 0.04em;
}

.work-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.3rem, 2.6vw, 1.75rem);
  margin-top: 0.3rem;
}

/* --------------------------------------------------------------------
   Numbers strip
   -------------------------------------------------------------------- */

.numbers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  border-top: 1px solid var(--line);
  padding-top: clamp(2.5rem, 6vw, 4rem);
}

@media (min-width: 780px) {
  .numbers { grid-template-columns: repeat(4, 1fr); }
}

.numbers__item strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

.numbers__item strong .unit {
  color: var(--accent);
  font-size: 0.5em;
  margin-left: 0.2em;
}

.numbers__item span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--muted);
}

/* --------------------------------------------------------------------
   Team
   -------------------------------------------------------------------- */

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

@media (min-width: 700px) {
  .team-grid { grid-template-columns: repeat(4, 1fr); }
}

.team-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.25rem;
  background: var(--bg-soft);
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.team-card:hover { border-color: var(--accent); transform: translateY(-4px); }

.team-card__avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 10px;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.75rem;
}

.team-card__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
}
.team-card__role {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.3rem;
}

/* --------------------------------------------------------------------
   Process
   -------------------------------------------------------------------- */

.process-list {
  border-top: 1px solid var(--line);
}
.process-item {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2rem) 0;
  border-bottom: 1px solid var(--line);
}
@media (min-width: 780px) {
  .process-item { grid-template-columns: 4rem 1fr 1.2fr; }
}
.process-item__num {
  font-family: var(--font-mono);
  color: var(--accent);
}
.process-item__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
}
.process-item__desc {
  color: var(--ink-dim);
  font-size: 0.95rem;
  max-width: 50ch;
}

/* --------------------------------------------------------------------
   CTA / Contact
   -------------------------------------------------------------------- */

.cta {
  background: var(--bg-soft);
  border-radius: 24px;
  margin-inline: var(--gutter);
  padding: clamp(2.5rem, 7vw, 5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  letter-spacing: -0.02em;
  max-width: 16ch;
  margin-inline: auto;
}

.cta__title em {
  font-style: normal;
  color: var(--accent);
}

.cta__sub {
  color: var(--ink-dim);
  margin-top: 1.25rem;
  font-size: 1.05rem;
}

.cta__actions {
  margin-top: 2.5rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: clamp(2.5rem, 6vw, 4rem);
  margin-top: clamp(3rem, 8vw, 5rem);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: clamp(2rem, 5vw, 3rem);
  border-bottom: 1px solid var(--line);
}

.footer-top a { transition: color 0.3s ease; }
.footer-top a:hover, .footer-top a:focus-visible { color: var(--accent); }

.footer-mid {
  display: grid;
  gap: 2rem;
  padding-block: clamp(2rem, 5vw, 3rem);
  border-bottom: 1px solid var(--line);
}

@media (min-width: 780px) {
  .footer-mid { grid-template-columns: 1fr 1fr; align-items: center; }
}

.footer-mid__text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 3vw, 2rem);
  max-width: 16ch;
}

.footer-form {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.footer-form input {
  flex: 1;
  min-width: 200px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.85em 1.4em;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.9rem;
}
.footer-form input:focus-visible { border-color: var(--mint); outline: none; }
.footer-form input::placeholder { color: var(--muted); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: clamp(1.5rem, 4vw, 2rem);
  font-size: 0.8rem;
  color: var(--muted);
}

.footer-bottom ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}
.footer-bottom a:hover, .footer-bottom a:focus-visible { color: var(--ink); }

/* --------------------------------------------------------------------
   Scroll reveal utility
   -------------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(.16,1,.3,1), transform 0.8s cubic-bezier(.16,1,.3,1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}