/* ============================================
   Variables
============================================ */
:root {
  --color-bg: #fafaf7;
  --color-bg-soft: #f3f1ec;
  --color-white: #ffffff;
  --color-ink: #1a1a1a;
  --color-ink-soft: #4a4a4a;
  --color-ink-mute: #8a8a8a;
  --color-line: #e6e2d8;
  --color-accent: #c8102e;        /* Pokeball red (luxury tone) */
  --color-accent-deep: #8b0a1f;
  --color-gold: #c9a86a;           /* Luxury gold accent */
  --color-shadow: rgba(26, 26, 26, 0.08);

  --font-serif: 'Cormorant Garamond', 'Noto Serif JP', serif;
  --font-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --header-h: 80px;
  --container: 1200px;

  --ease: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.is-nav-open { overflow: hidden; }

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

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

button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

ul { list-style: none; padding: 0; margin: 0; }

h1, h2, h3, h4, p { margin: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.sp-only { display: none; }
@media (max-width: 768px) {
  .sp-only { display: inline; }
}

/* ============================================
   Loader
============================================ */
.loader {
  position: fixed;
  inset: 0;
  background: var(--color-white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.8s var(--ease), visibility 0.8s var(--ease);
}

.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__pokeball {
  position: relative;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  box-shadow: 0 14px 40px rgba(200, 16, 46, 0.18), inset 0 -6px 0 rgba(0, 0, 0, 0.05);
  overflow: hidden;
  animation: pokeballSpin 1.6s var(--ease) infinite;
}

.loader__pokeball-top {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 50%;
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-accent-deep) 100%);
}

.loader__pokeball-bottom {
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 50%;
  background: linear-gradient(180deg, #ffffff 0%, #ececec 100%);
}

.loader__pokeball-belt {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 8px;
  transform: translateY(-50%);
  background: var(--color-ink);
}

.loader__pokeball-button {
  position: absolute;
  top: 50%; left: 50%;
  width: 22px; height: 22px;
  background: var(--color-white);
  border: 4px solid var(--color-ink);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: inset 0 0 0 2px var(--color-white), 0 0 12px rgba(255, 255, 255, 0.6);
  animation: pokeballPulse 1.6s var(--ease) infinite;
}

.loader__text {
  margin-top: 28px;
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.25em;
  color: var(--color-ink-soft);
  text-transform: uppercase;
}

.loader__dots span {
  display: inline-block;
  animation: dotBlink 1.4s infinite;
}
.loader__dots span:nth-child(2) { animation-delay: 0.2s; }
.loader__dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes pokeballSpin {
  0%   { transform: rotate(0); }
  50%  { transform: rotate(180deg); }
  100% { transform: rotate(360deg); }
}

@keyframes pokeballPulse {
  0%, 100% { box-shadow: inset 0 0 0 2px var(--color-white), 0 0 0 0 rgba(200, 16, 46, 0.4); }
  50%      { box-shadow: inset 0 0 0 2px var(--color-white), 0 0 0 8px rgba(200, 16, 46, 0); }
}

@keyframes dotBlink {
  0%, 80%, 100% { opacity: 0.2; }
  40%           { opacity: 1; }
}

/* ============================================
   Header
============================================ */
.header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: var(--header-h);
  z-index: 100;
  background: rgba(250, 250, 247, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), height 0.4s var(--ease);
}

.header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--color-line);
  height: 68px;
}

.header__inner {
  height: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: opacity 0.3s var(--ease);
}

.header__logo:hover { opacity: 0.6; }

.header__logo-mark {
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background:
    linear-gradient(180deg, var(--color-accent) 0 50%, var(--color-white) 50% 100%);
  border: 2px solid var(--color-ink);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}
.header__logo-mark::after {
  content: '';
  position: absolute;
  top: 50%; left: -2px; right: -2px;
  height: 2px;
  background: var(--color-ink);
  transform: translateY(-50%);
}

/* Navigation */
.nav__list {
  display: flex;
  gap: 36px;
}

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 8px 0;
  transition: color 0.3s var(--ease);
}

.nav__num {
  font-size: 11px;
  color: var(--color-gold);
  letter-spacing: 0.1em;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-ink);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.5s var(--ease);
}

.nav__link:hover { color: var(--color-accent); }
.nav__link:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
}

/* Hamburger */
.header__toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  z-index: 110;
}

.header__toggle span {
  position: absolute;
  left: 8px;
  width: 24px;
  height: 1.5px;
  background: var(--color-ink);
  transition: transform 0.4s var(--ease), opacity 0.3s var(--ease), top 0.4s var(--ease);
}
.header__toggle span:nth-child(1) { top: 14px; }
.header__toggle span:nth-child(2) { top: 20px; }
.header__toggle span:nth-child(3) { top: 26px; }

.header__toggle.is-open span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.header__toggle.is-open span:nth-child(2) { opacity: 0; }
.header__toggle.is-open span:nth-child(3) { top: 20px; transform: rotate(-45deg); }

/* ============================================
   Hero
============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--header-h) + 40px) 24px 80px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(200, 16, 46, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 10% 90%, rgba(201, 168, 106, 0.08) 0%, transparent 55%),
    linear-gradient(180deg, var(--color-white) 0%, var(--color-bg) 100%);
  z-index: 0;
}

.hero__bg::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background:
    linear-gradient(180deg, rgba(200, 16, 46, 0.18) 0 50%, rgba(255, 255, 255, 0.5) 50% 100%);
  border: 2px solid rgba(26, 26, 26, 0.1);
  filter: blur(2px);
  animation: floatY 8s ease-in-out infinite;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-30px); }
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  width: 100%;
  margin: 0 auto;
}

.hero__sub {
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.4em;
  color: var(--color-ink-soft);
  text-transform: uppercase;
  margin-bottom: 28px;
  position: relative;
  padding-left: 56px;
}
.hero__sub::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 40px; height: 1px;
  background: var(--color-gold);
}

.hero__title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(48px, 9vw, 128px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 36px;
}
.hero__title-line {
  display: block;
  overflow: hidden;
}
.hero__title-line--accent {
  font-style: italic;
  color: var(--color-accent);
  font-weight: 600;
}

.hero__desc {
  font-size: 15px;
  line-height: 2;
  color: var(--color-ink-soft);
  margin-bottom: 48px;
  max-width: 520px;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 20px 40px;
  background: var(--color-ink);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.2em;
  border-radius: 999px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.hero__cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.6s var(--ease);
  z-index: 0;
}

.hero__cta-text, .hero__cta-arrow {
  position: relative;
  z-index: 1;
  transition: transform 0.4s var(--ease);
}

.hero__cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(200, 16, 46, 0.25);
}
.hero__cta:hover::before {
  transform: scaleX(1);
  transform-origin: left center;
}
.hero__cta:hover .hero__cta-arrow { transform: translateX(6px); }

.hero__scroll {
  position: absolute;
  bottom: 32px; left: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-ink-mute);
  z-index: 1;
}
.hero__scroll-line {
  display: inline-block;
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, var(--color-ink-mute) 50%, transparent 50%);
  background-size: 200% 100%;
  animation: scrollLine 2s linear infinite;
}
@keyframes scrollLine {
  0%   { background-position: 0% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================
   Section Head (shared)
============================================ */
.section-head {
  margin-bottom: 72px;
  position: relative;
}
.section-head--center {
  text-align: center;
}

.section-head__num {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  margin-bottom: 16px;
}

.section-head__title {
  font-family: var(--font-serif);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1;
  margin-bottom: 12px;
}

.section-head__sub {
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--color-ink-mute);
}

/* ============================================
   About
============================================ */
.about {
  padding: 140px 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: center;
}

.about__visual {
  position: relative;
  padding: 14px;
  max-width: 420px;
}
.about__visual::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--color-gold);
  border-radius: 8px;
  pointer-events: none;
  transition: inset 0.6s var(--ease);
}

.about__image {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: var(--color-bg-soft);
  aspect-ratio: 1 / 1;
}
.about__image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.8s var(--ease);
}

.about__visual:hover::before { inset: -6px; }
.about__visual:hover .about__image img { transform: scale(1.05); }

.about__lead {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 24px;
}

.about__text {
  font-size: 15px;
  line-height: 2;
  color: var(--color-ink-soft);
  margin-bottom: 32px;
}

.about__skills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.about__skill {
  padding: 8px 18px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.1em;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-white);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.about__skill:hover {
  background: var(--color-ink);
  color: var(--color-white);
  border-color: var(--color-ink);
  transform: translateY(-2px);
}

/* ============================================
   Works
============================================ */
.works {
  padding: 140px 0;
  background: var(--color-bg);
}

.works__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.work-card {
  position: relative;
  background: var(--color-white);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 24px var(--color-shadow);
  transition: transform 0.6s var(--ease), box-shadow 0.6s var(--ease);
}

.work-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(26, 26, 26, 0.14);
}

.work-card__link {
  display: block;
  position: relative;
  height: 100%;
}

.work-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background:
    radial-gradient(ellipse at center, var(--color-white) 0%, var(--color-bg-soft) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.work-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(26, 26, 26, 0.18) 100%);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  pointer-events: none;
}
.work-card__image img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 1s var(--ease);
}

.work-card:hover .work-card__image img { transform: scale(1.08); }
.work-card:hover .work-card__image::after { opacity: 1; }

.work-card__body {
  padding: 28px 32px 36px;
}

.work-card__category {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.work-card__title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 500;
  margin-bottom: 8px;
  transition: color 0.3s var(--ease);
}
.work-card:hover .work-card__title { color: var(--color-accent); }

.work-card__desc {
  font-size: 13px;
  color: var(--color-ink-soft);
  line-height: 1.8;
}

.work-card__client {
  margin-top: 6px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--color-ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.work-card__client span {
  display: inline-block;
  padding: 3px 10px;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
  border-radius: 999px;
  background: rgba(201, 168, 106, 0.06);
}

.work-card__arrow {
  position: absolute;
  right: 28px;
  bottom: 28px;
  width: 44px; height: 44px;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--color-ink);
  background: var(--color-white);
  transition: background 0.4s var(--ease), color 0.4s var(--ease), border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.work-card:hover .work-card__arrow {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
  transform: translate(4px, -4px) rotate(-12deg);
}

/* ============================================
   Contact
============================================ */
.contact {
  padding: 140px 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-line);
}

.contact__lead {
  text-align: center;
  font-size: 15px;
  line-height: 2;
  color: var(--color-ink-soft);
  margin-bottom: 64px;
}

.contact__form {
  max-width: 720px;
  margin: 0 auto;
}

.form-row {
  margin-bottom: 28px;
}

.form-label {
  display: block;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.15em;
  margin-bottom: 10px;
  color: var(--color-ink-soft);
}
.form-label span { color: var(--color-accent); margin-left: 4px; }

.form-input {
  width: 100%;
  padding: 16px 20px;
  font: inherit;
  font-size: 15px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  color: var(--color-ink);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.form-input:focus {
  outline: none;
  border-color: var(--color-ink);
  background: var(--color-white);
  box-shadow: 0 6px 20px rgba(26, 26, 26, 0.06);
}
.form-input--textarea {
  resize: vertical;
  min-height: 160px;
  font-family: inherit;
}

.form-submit {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin: 24px auto 0;
  padding: 20px 48px;
  background: var(--color-ink);
  color: var(--color-white);
  border-radius: 999px;
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.2em;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.form-submit::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.6s var(--ease);
}
.form-submit__text, .form-submit__arrow {
  position: relative;
  z-index: 1;
  transition: transform 0.4s var(--ease);
}
.form-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(200, 16, 46, 0.25);
}
.form-submit:hover::before {
  transform: scaleX(1);
  transform-origin: left center;
}
.form-submit:hover .form-submit__arrow { transform: translateX(6px); }

.contact__form { display: flex; flex-direction: column; }
.form-submit { align-self: center; }

/* ============================================
   Confirm Modal
============================================ */
.confirm {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s var(--ease), visibility 0.5s var(--ease);
}

.confirm.is-open {
  opacity: 1;
  visibility: visible;
}

.confirm__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 26, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.confirm__panel {
  position: relative;
  width: 100%;
  max-width: 640px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  background: var(--color-white);
  border-radius: 8px;
  padding: 56px 56px 48px;
  box-shadow: 0 30px 80px rgba(26, 26, 26, 0.25);
  border: 1px solid var(--color-line);
  transform: translateY(20px) scale(0.98);
  transition: transform 0.6s var(--ease-out);
}

.confirm.is-open .confirm__panel {
  transform: translateY(0) scale(1);
}

.confirm__panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-gold) 100%);
  border-radius: 8px 8px 0 0;
}

.confirm__close {
  position: absolute;
  top: 18px; right: 18px;
  width: 40px; height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}
.confirm__close span {
  position: absolute;
  width: 18px;
  height: 1.5px;
  background: var(--color-ink);
}
.confirm__close span:nth-child(1) { transform: rotate(45deg); }
.confirm__close span:nth-child(2) { transform: rotate(-45deg); }
.confirm__close:hover {
  background: var(--color-bg-soft);
  transform: rotate(90deg);
}

.confirm__num {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.confirm__title {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 500;
  margin-bottom: 12px;
}

.confirm__lead {
  font-size: 14px;
  color: var(--color-ink-soft);
  margin-bottom: 32px;
  line-height: 1.8;
}

.confirm__list {
  margin: 0 0 36px;
  padding: 24px 0 0;
  border-top: 1px solid var(--color-line);
}

.confirm__row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-line);
}

.confirm__row dt {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--color-ink-mute);
  margin: 0;
}

.confirm__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-ink);
  word-break: break-word;
  white-space: pre-wrap;
}

.confirm__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.confirm__btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 36px;
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.18em;
  border-radius: 999px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), background 0.4s var(--ease), color 0.4s var(--ease), border-color 0.4s var(--ease);
}

.confirm__btn--ghost {
  background: var(--color-white);
  color: var(--color-ink);
  border: 1px solid var(--color-line);
}
.confirm__btn--ghost:hover {
  background: var(--color-bg-soft);
  border-color: var(--color-ink);
  transform: translateY(-2px);
}

.confirm__btn--primary {
  background: var(--color-ink);
  color: var(--color-white);
  border: 1px solid var(--color-ink);
}
.confirm__btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.6s var(--ease);
}
.confirm__btn--primary > * {
  position: relative;
  z-index: 1;
  transition: transform 0.4s var(--ease);
}
.confirm__btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(200, 16, 46, 0.25);
  border-color: var(--color-accent);
}
.confirm__btn--primary:hover::before {
  transform: scaleX(1);
  transform-origin: left center;
}
.confirm__btn--primary:hover .confirm__btn-arrow {
  transform: translateX(6px);
}

.confirm__note {
  margin-top: 24px;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--color-ink-mute);
}

@media (max-width: 768px) {
  .confirm__panel {
    padding: 48px 24px 32px;
  }
  .confirm__title { font-size: 24px; }
  .confirm__row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 14px 0;
  }
  .confirm__btn { padding: 14px 28px; font-size: 13px; }
}

/* ============================================
   Footer
============================================ */
.footer {
  background: var(--color-ink);
  color: var(--color-bg-soft);
  padding: 56px 0 40px;
}

.footer__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
}

.footer__main-link {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 14px 28px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-white);
  font-family: var(--font-serif);
  letter-spacing: 0.08em;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.footer__main-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-gold) 100%);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.6s var(--ease);
}

.footer__main-link > * {
  position: relative;
  z-index: 1;
}

.footer__main-link-label {
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  text-transform: uppercase;
  padding-right: 14px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
  transition: color 0.4s var(--ease), border-color 0.4s var(--ease);
}

.footer__main-link-text {
  font-size: 13px;
}

.footer__main-link-arrow {
  font-size: 14px;
  transition: transform 0.4s var(--ease);
}

.footer__main-link:hover {
  transform: translateY(-3px);
  border-color: transparent;
  box-shadow: 0 14px 30px rgba(200, 16, 46, 0.25);
}
.footer__main-link:hover::before {
  transform: scaleX(1);
  transform-origin: left center;
}
.footer__main-link:hover .footer__main-link-label {
  color: var(--color-white);
  border-right-color: rgba(255, 255, 255, 0.6);
}
.footer__main-link:hover .footer__main-link-arrow {
  transform: translateX(6px);
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: 0.05em;
}

.footer__logo-mark {
  position: relative;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--color-accent) 0 50%, var(--color-white) 50% 100%);
  border: 2px solid var(--color-white);
}
.footer__logo-mark::after {
  content: '';
  position: absolute;
  top: 50%; left: -2px; right: -2px;
  height: 1.5px;
  background: var(--color-white);
  transform: translateY(-50%);
}

.footer__copy {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   Responsive (Tablet & SP)
============================================ */
@media (max-width: 960px) {
  .about__inner {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .about__visual { max-width: 360px; margin: 0 auto; }
}

@media (max-width: 768px) {
  :root {
    --header-h: 64px;
  }

  .container { padding: 0 20px; }

  /* Header */
  .header__toggle { display: block; }

  .nav {
    position: fixed;
    inset: 0;
    background: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.5s var(--ease), visibility 0.5s var(--ease), transform 0.5s var(--ease);
  }
  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .nav__link {
    font-size: 24px;
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }
  .nav__num { font-size: 10px; }

  /* Hero */
  .hero { padding: calc(var(--header-h) + 60px) 20px 100px; }
  .hero__sub { padding-left: 0; margin-bottom: 20px; font-size: 12px; }
  .hero__sub::before { display: none; }
  .hero__desc { font-size: 14px; margin-bottom: 36px; }
  .hero__cta { padding: 16px 32px; font-size: 13px; }
  .hero__bg::before {
    width: 240px; height: 240px;
    top: -60px; right: -60px;
  }
  .hero__scroll { left: 20px; bottom: 24px; }

  /* Sections */
  .about, .works, .contact { padding: 96px 0; }
  .section-head { margin-bottom: 48px; }

  /* Works */
  .works__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .work-card__body { padding: 24px 24px 32px; }
  .work-card__title { font-size: 22px; }
  .work-card__arrow {
    width: 38px; height: 38px;
    right: 20px; bottom: 20px;
  }

  /* Contact */
  .contact__lead { margin-bottom: 40px; font-size: 14px; }
  .form-input { padding: 14px 16px; font-size: 14px; }
  .form-submit { padding: 16px 36px; font-size: 13px; }

  /* Footer */
  .footer__inner {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    gap: 24px;
  }
  .footer__main-link {
    justify-self: center;
    padding: 12px 22px;
    gap: 12px;
  }
  .footer__main-link-text { font-size: 12px; }
}

@media (max-width: 480px) {
  .hero__title { font-size: clamp(40px, 13vw, 64px); }
  .section-head__title { font-size: clamp(34px, 10vw, 48px); }
  .about__lead { font-size: 20px; }
}

/* ============================================
   Reduced Motion
============================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  html { scroll-behavior: auto; }
}