/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* スクリーンリーダー専用（SEO用テキストを視覚的に非表示） */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

:root {
  --beige: #f5f0e8;
  --cream: #faf7f2;
  --dark: #1a1714;
  --dark-mid: #2e2a26;
  --rose-gold: #b8957a;
  --rose-light: #d4b49a;
  --text: #3a3530;
  --text-light: #7a7068;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --script: 'Dancing Script', cursive;
  --sans: 'Noto Sans JP', sans-serif;
  --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--sans);
  background: var(--cream);
  color: var(--text);
  line-height: 1.8;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 3rem;
  transition: background var(--transition), padding var(--transition);
}

.nav.scrolled {
  background: rgba(240,235,227,0.95);
  backdrop-filter: blur(8px);
  padding: 1.2rem 3rem;
  box-shadow: 0 1px 20px rgba(26,23,20,0.06);
}

.nav__logo {
  display: flex;
  flex-direction: row;
  align-items: baseline;
  gap: 0;
  position: relative;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
}

.nav__logo-main {
  font-family: 'Pinyon Script', cursive;
  font-size: 2.4rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--dark);
  line-height: 0.9;
}

.nav__logo-sub {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.55rem;
  font-weight: 400;
  color: var(--dark);
  letter-spacing: 0.42em;
  text-transform: uppercase;
  margin-top: 0;
  margin-left: 0.7rem;
}

.nav__links {
  display: flex;
  gap: 2.8rem;
  align-items: center;
}

.nav__links a {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.32em;
  color: rgba(255,255,255,0.88);
  text-transform: uppercase;
  position: relative;
  padding-bottom: 0.25rem;
  transition: color var(--transition);
}

/* 下線アニメーション（左から伸びる） */
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--rose-gold);
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav__links a:hover {
  color: var(--rose-gold);
  opacity: 1;
}
.nav__links a:hover::after { width: 100%; }

.nav.scrolled .nav__links a { color: var(--dark); }
.nav.scrolled .nav__links a::after { background: var(--rose-gold); }
.nav.scrolled .nav__links a:hover { color: var(--rose-gold); }
.nav.scrolled .nav__links a:hover::after { width: 100%; }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--dark);
  transition: var(--transition);
}

/* ===== Mobile Menu ===== */
.mobile-menu {
  position: fixed;
  top: 0; right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--dark);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: right var(--transition);
}

.mobile-menu.open { right: 0; }

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  text-align: center;
}

.mobile-menu a {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--beige);
  transition: color var(--transition);
}

.mobile-menu a:hover { color: var(--rose-gold); }

/* ===== Hero ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: stretch;
  overflow: hidden;
  background: url('hero-photo.png') 75% top / cover no-repeat;
  background-color: #f0ebe3;
}

/* ナビ視認性のための上部グラデーション */
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 140px;
  background: linear-gradient(to bottom, rgba(245,240,232,0.55) 0%, transparent 100%);
  z-index: 0;
  pointer-events: none;
}

/* 背景透かし数字 */
.hero__watermark {
  position: absolute;
  left: -3%;
  top: 55%;
  transform: translateY(-50%);
  font-family: 'Great Vibes', cursive;
  font-size: clamp(60rem, 120vw, 160rem);
  font-weight: 400;
  color: rgba(26,23,20,0.05);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

/* 左エリア */
.hero__left {
  position: relative;
  z-index: 1;
  flex: 0 0 58%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 10rem 4rem 6rem 6rem;
}

.hero__ja {
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(0.85rem, 1.3vw, 1.0rem);
  color: var(--text);
  line-height: 2.0;
  letter-spacing: 0.06em;
  margin-bottom: 2.8rem;
}

.hero__heading {
  margin-bottom: 2rem;
  line-height: 1.0;
}

.hero__heading-serif {
  font-family: 'Playfair Display', 'Cormorant Garamond', serif;
  font-size: clamp(4rem, 7.5vw, 7rem);
  font-weight: 400;
  color: var(--dark);
  letter-spacing: -0.02em;
  line-height: 1.08;
}

.hero__heading-script {
  font-family: 'Pinyon Script', cursive;
  font-size: clamp(4.5rem, 9vw, 8.5rem);
  font-weight: 400;
  color: var(--dark);
  letter-spacing: 0;
  line-height: 1.0;
}

.hero__divider {
  width: 2.5rem;
  height: 1px;
  background: var(--dark);
  opacity: 0.35;
  margin-bottom: 2.2rem;
}

.hero__services {
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(0.85rem, 1.2vw, 1.0rem);
  color: var(--text);
  line-height: 1.6;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.hero__services-sub {
  display: block;
  font-size: 0.78rem;
  color: var(--text-light);
  margin-top: 0.5rem;
  font-weight: 300;
  letter-spacing: 0.03em;
}

.hero__btns {
  display: flex;
  gap: 1.2rem;
  margin-top: 2.8rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 10;
}

.hero__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 180px;
  padding: 0.9rem 2rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  white-space: nowrap;
  position: relative;
  z-index: 10;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* 光沢スライド用の疑似要素 */
.hero__btn::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%;
  height: 100%;
  background: rgba(255,255,255,0.18);
  transform: skewX(-20deg);
  transition: left 0.45s ease;
  pointer-events: none;
}

.hero__btn:hover::after {
  left: 140%;
}

.hero__btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0,0,0,0.18);
}

/* View Works：ダーク */
.hero__btn--fill {
  background: var(--dark);
  color: #f0ebe3;
}

/* Contact：ベージュ（rose-gold） */
.hero__btn--outline {
  background: var(--rose-gold);
  color: #f0ebe3;
  border: none;
}

/* 右エリア（背景に統合のため非表示） */
.hero__right { display: none; }
.hero__photo { display: none; }
.hero__photo-placeholder { display: none; }

/* スクロールインジケーター */
.hero__scroll {
  position: absolute;
  right: 2rem;
  bottom: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  z-index: 2;
  pointer-events: none;
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--dark));
  animation: scrollLine 2s ease-in-out infinite;
}

.hero__scroll span {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--dark);
  text-transform: uppercase;
  writing-mode: vertical-rl;
  opacity: 0.5;
}

@keyframes scrollLine {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  color: rgba(245,240,232,0.5);
  font-family: var(--serif);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--rose-gold), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 0.9s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.5s; }
.delay-3 { animation-delay: 0.8s; }
.delay-4 { animation-delay: 1.1s; }

@keyframes fadeIn {
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Section ===== */
.section { padding: 6rem 0; }

.section-header { text-align: center; margin-bottom: 4rem; }

.section-en {
  font-family: var(--script);
  font-size: 1rem;
  color: var(--rose-gold);
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
}

.section-ja {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2rem);
  color: var(--dark);
  font-weight: 400;
  letter-spacing: 0.05em;
  margin-bottom: 1.2rem;
}

.section-lead {
  color: var(--text-light);
  font-size: 0.95rem;
  font-weight: 300;
}

/* ===== Services ===== */
.services { background: var(--beige); }

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--cream);
  padding: 2.5rem 2rem;
  text-align: center;
  border: 1px solid rgba(184,149,122,0.2);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(26,23,20,0.1);
  border-color: var(--rose-gold);
}

.service-card__icon {
  font-size: 1.4rem;
  color: var(--rose-gold);
  margin-bottom: 1.2rem;
}

.service-card h3 {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
  letter-spacing: 0.05em;
}

.service-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.9;
  font-weight: 300;
}

/* ===== Works ===== */
.works { background: var(--cream); }

.works__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.work-card {
  overflow: hidden;
  border: 1px solid rgba(184,149,122,0.15);
  transition: transform var(--transition), box-shadow var(--transition);
}

.work-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(26,23,20,0.1);
}

.work-card__img {
  height: 220px;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}

.work-card:hover .work-card__img { transform: scale(1.04); }

.work-card__img--1 { background: url('work-soyokaze.png') center top / cover no-repeat; }
.work-card__img--2 { background-color: #b8a99a; }
.work-card__img--3 { background-color: #a89888; }
.work-card__img--lunch { background: url('work-lunch.jpg') center center / cover no-repeat; }
.work-card__img--miso { background: url('work-miso.jpg') center center / cover no-repeat; }
.work-card__img--offkai { background: url('work-offkai.png') center top / cover no-repeat; }
.work-card__img--dvd { background: url('work-dvd.jpg') center center / cover no-repeat; }
.work-card__img--career { background: url('work-career.png') center top / cover no-repeat; }
.work-card__img--law { background: url('work-banner-law.jpg') center center / cover no-repeat; }
.work-card__img--talent { background: url('work-thumb-talent.jpg') center center / cover no-repeat; }
.work-card__img--income { background: url('work-thumb-income.jpg') center center / cover no-repeat; }
.work-card__img--savings { background: url('work-thumb-savings.jpg') center center / cover no-repeat; }
.work-card__img--fire { background: url('work-thumb-fire.jpg') center center / cover no-repeat; }
/* 追加サムネイル・画像制作 */
.work-card__img--ouen { background: url('work-thumb-ouen.jpg') center center / cover no-repeat; }
.work-card__img--okane-rule { background: url('work-thumb-okane-rule.jpg') center center / cover no-repeat; }
.work-card__img--yabai { background: url('work-thumb-yabai.jpg') center center / cover no-repeat; }
.work-card__img--binbo { background: url('work-thumb-binbo.jpg') center center / cover no-repeat; }
.work-card__img--jikan { background: url('work-thumb-jikan.jpg') center center / cover no-repeat; }
.work-card__img--okanenote { background: url('work-thumb-okanenote.jpg') center center / cover no-repeat; }
.work-card__img--beikoku { background: url('work-thumb-beikoku.jpg') center center / cover no-repeat; }
.work-card__img--yumekana { background: url('work-thumb-yumekana.jpg') center center / cover no-repeat; }
.work-card__img--unii { background: url('work-thumb-unii.jpg') center center / cover no-repeat; }
.work-card__img--kyuryo2bai { background: url('work-thumb-kyuryo2bai.jpg') center center / cover no-repeat; }
.work-card__img--fukugyou-tekisei { background: url('work-thumb-fukugyou-tekisei.jpg') center center / cover no-repeat; }
.work-card__img--danjyo-kakusa { background: url('work-thumb-danjyo-kakusa.jpg') center center / cover no-repeat; }
.work-card__img--tsuki10man { background: url('work-thumb-tsuki10man.jpg') center center / cover no-repeat; }
.work-card__img--task { background: url('work-thumb-task.jpg') center center / cover no-repeat; }
.work-card__img--tsuki1man { background: url('work-thumb-tsuki1man.jpg') center center / cover no-repeat; }
.work-card__img--b2a { background: url('work-thumb-b2a.jpg') center center / cover no-repeat; }
.work-card__img--b2b { background: url('work-thumb-b2b.jpg') center center / cover no-repeat; }
.work-card__img--b2c { background: url('work-thumb-b2c.jpg') center center / cover no-repeat; }
.work-card__img--b2d { background: url('work-thumb-b2d.jpg') center center / cover no-repeat; }
.work-card__img--b2e { background: url('work-thumb-b2e.jpg') center center / cover no-repeat; }
.work-card__img--zaitaku-seikou { background: url('work-thumb-zaitaku-seikou.jpg') center center / cover no-repeat; }
.work-card__img--uranai { background: url('work-thumb-uranai.jpg') center center / cover no-repeat; }
.work-card__img--zaitaku-fuku { background: url('work-thumb-zaitaku-fuku.jpg') center center / cover no-repeat; }
.work-card__img--shigoto-dotchi { background: url('work-thumb-shigoto-dotchi.jpg') center center / cover no-repeat; }
.work-card__img--chance { background: url('work-thumb-chance.jpg') center center / cover no-repeat; }
.work-card__img--otto-kasegu { background: url('work-thumb-otto-kasegu.jpg') center center / cover no-repeat; }
.work-card__img--tool31 { background: url('work-thumb-tool31.jpg') center center / cover no-repeat; }
.work-card__img--uragiru { background: url('work-thumb-uragiru.jpg') center center / cover no-repeat; }
.work-card__img--chatgpt-canva { background: url('work-thumb-chatgpt-canva.jpg') center center / cover no-repeat; }
.work-card__img--shufu30man { background: url('work-thumb-shufu30man.jpg') center center / cover no-repeat; }
.work-card__img--kouhou { background: url('work-thumb-kouhou.jpg') center center / cover no-repeat; }
.work-card__img--yt-shikumi { background: url('work-thumb-yt-shikumi.jpg') center center / cover no-repeat; }
.work-card__img--yt-daiko { background: url('work-thumb-yt-daiko.jpg') center center / cover no-repeat; }
.work-card__img--meishi-biken1 { background: url('work-meishi-biken1.jpg') center center / cover no-repeat; }
.work-card__img--meishi-biken2 { background: url('work-meishi-biken2.jpg') center center / cover no-repeat; }
.work-card__img--fukushima { background: url('work-print-fukushima.jpg') center center / cover no-repeat; }
.work-card__img--meishi-noritein { background: url('work-meishi-noritein.jpg') center center / cover no-repeat; }
.work-card__img--banner-kango { background: url('work-banner-kango.jpg') center center / cover no-repeat; }
.work-card__img--print-baby-card { background: url('work-print-baby-card.jpg') center center / cover no-repeat; }
.work-card__img--thumb-hado { background: url('work-thumb-hado.jpg') center center / cover no-repeat; }
.work-card__img--print-yugawara { background: url('work-print-yugawara.jpg') center center / cover no-repeat; }
.work-card__img--print-tomoni { background: url('work-print-tomoni.jpg') center center / cover no-repeat; }
.work-card__img--lp-counselor { background: url('work-lp-counselor.jpg') center top / cover no-repeat; }
.work-card__img--print-fudosan-dx { background: url('work-print-fudosan-dx.jpg') center center / cover no-repeat; }
.work-card__img--banner-kioku { background: url('work-banner-kioku.jpg') center center / cover no-repeat; }
.work-card__img--banner-monban { background: url('work-banner-monban.jpg') center center / cover no-repeat; }
.work-card__img--lp-copywriting { background: url('work-lp-copywriting.jpg') center top / cover no-repeat; }

.work-card__body {
  padding: 1.6rem;
  background: var(--cream);
}

.work-card__tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--rose-gold);
  border: 1px solid var(--rose-gold);
  padding: 0.2rem 0.7rem;
  margin-bottom: 0.8rem;
}

.work-card__body h3 {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: 0.5rem;
}

.work-card__link {
  display: inline-flex;
  align-items: center;
  margin-top: 1rem;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--rose-gold);
  border-bottom: 1px solid var(--rose-gold);
  padding-bottom: 0.1rem;
  transition: opacity var(--transition);
}

.work-card__link:hover { opacity: 0.65; }

.work-card__body p {
  font-size: 0.83rem;
  color: var(--text-light);
  font-weight: 300;
}

.works__more {
  text-align: center;
  margin-top: 3rem;
}

.works__more-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.85rem 2.4rem;
  border: 1px solid var(--dark);
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--dark);
  transition: all var(--transition);
}

.works__more-btn:hover {
  background: var(--dark);
  color: var(--beige);
}

/* ===== Process ===== */
.process { background: var(--dark); }
.process .section-en { color: var(--rose-gold); }
.process .section-ja { color: var(--beige); }

.process__steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.process__step {
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid rgba(245,240,232,0.1);
  transition-delay: calc(var(--i, 0) * 0.1s);
}

.process__step:last-child { border-bottom: none; }

.process__num {
  font-family: var(--serif);
  font-size: 2.5rem;
  color: var(--rose-gold);
  font-weight: 300;
  line-height: 1;
  min-width: 3rem;
}

.process__body h3 {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 500;
  color: var(--beige);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.process__body p {
  font-size: 0.85rem;
  color: rgba(245,240,232,0.6);
  font-weight: 300;
  line-height: 1.9;
}

/* ===== About ===== */
.about { background: var(--beige); }

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about__img-placeholder {
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, #c8bfb2, #a89888);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-family: var(--serif);
  font-size: 1rem;
  letter-spacing: 0.2em;
}

.about__name {
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--dark);
  margin-bottom: 1.5rem;
}

.about__name span {
  font-size: 1rem;
  color: var(--rose-gold);
}

.about__text {
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 300;
  margin-bottom: 2rem;
}

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.about__tags span {
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--rose-gold);
  border: 1px solid var(--rose-gold);
  padding: 0.3rem 0.9rem;
}

/* ===== Contact ===== */
.contact { background: var(--cream); }

.contact__form {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--dark);
  font-weight: 400;
}

.required { color: var(--rose-gold); }

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.9rem 1rem;
  border: 1px solid rgba(184,149,122,0.3);
  background: #fff;
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--dark);
  outline: none;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--rose-gold);
}

.form-group textarea { resize: vertical; }

.btn-submit {
  align-self: center;
  padding: 1rem 3.5rem;
  background: var(--dark);
  color: var(--beige);
  border: none;
  font-family: var(--sans);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: background var(--transition);
}

.btn-submit:hover { background: var(--rose-gold); }

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  text-align: center;
  padding: 3.5rem 0;
}

.footer__logo {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  margin-bottom: 0.8rem;
}

.footer__logo-main {
  font-family: 'Pinyon Script', cursive;
  font-size: 2.8rem;
  font-weight: 400;
  color: var(--beige);
  letter-spacing: 0.02em;
  line-height: 0.9;
}

.footer__logo-sub {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.6rem;
  font-weight: 400;
  color: var(--beige);
  letter-spacing: 0.42em;
  text-transform: uppercase;
  margin-left: 0.7rem;
}

.footer__copy {
  font-family: var(--serif);
  font-size: 0.85rem;
  color: var(--rose-gold);
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
}

.footer__copyright {
  font-size: 0.75rem;
  color: rgba(245,240,232,0.4);
  letter-spacing: 0.05em;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }

  .hero__en { font-size: clamp(2.5rem, 12vw, 4rem); }

  .services__grid { grid-template-columns: 1fr 1fr; }

  .works__grid { grid-template-columns: 1fr; }

  .about__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about__img-placeholder { max-width: 300px; margin: 0 auto; }

  /* Process モバイル */
  .process__header { flex-direction: column; align-items: flex-start; }
  .process__desc { text-align: left; white-space: normal; }
  .process__steps { grid-template-columns: 1fr; border-top: none; }
  .process__step { border-right: none; border-top: 1px solid rgba(245,240,232,0.08); padding: 2.5rem 1.5rem; }
}

@media (max-width: 480px) {
  .services__grid { grid-template-columns: 1fr; }
  .section { padding: 4rem 0; }
}