/* ==========================================================================
   Base / Variables
   ========================================================================== */
:root {
  --brown-900: #2b1e13;
  --brown-800: #3b2a1c;
  --brown-700: #5a4228;
  --brown-600: #7a5a38;
  --brown-500: #9b7a4f;
  --brown-400: #b89063;
  --brown-300: #c9a87a;
  --brown-200: #dcc29a;
  --brown-100: #efe2c9;
  --cream:     #f5ecd8;
  --ivory:     #faf5ea;
  --gold:      #c9a87a;

  --font-serif: "Cormorant Garamond", "Noto Serif JP", serif;
  --font-sans:  "Outfit", "Noto Serif JP", sans-serif;

  --ease: cubic-bezier(0.77, 0, 0.175, 1);

  --header-h: 72px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--brown-800);
  background: var(--ivory);
  line-height: 1.75;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; padding: 0; margin: 0; }

/* ==========================================================================
   Loader
   ========================================================================== */
.loader {
  position: fixed; inset: 0;
  z-index: 1000;
  background: var(--brown-800);
  display: grid; place-items: center;
  transition: opacity 0.8s var(--ease), visibility 0.8s var(--ease);
}
.loader.is-hidden { opacity: 0; visibility: hidden; }

.loader__inner { text-align: center; color: var(--cream); }

.loader__text {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  letter-spacing: 0.5em;
  padding-left: 0.5em;
  margin-bottom: 2rem;
}
.loader__text span {
  display: inline-block;
  opacity: 0;
  transform: translateY(8px);
  animation: loaderLetter 1.8s var(--ease) infinite;
}
.loader__text span:nth-child(1) { animation-delay: 0.0s; }
.loader__text span:nth-child(2) { animation-delay: 0.1s; }
.loader__text span:nth-child(3) { animation-delay: 0.2s; }
.loader__text span:nth-child(4) { animation-delay: 0.3s; }
.loader__text span:nth-child(5) { animation-delay: 0.4s; }
.loader__text span:nth-child(6) { animation-delay: 0.5s; }
.loader__text span:nth-child(7) { animation-delay: 0.6s; }
.loader__text span:nth-child(8) { animation-delay: 0.7s; }
.loader__text span:nth-child(9) { animation-delay: 0.8s; }

@keyframes loaderLetter {
  0%   { opacity: 0; transform: translateY(8px); }
  30%  { opacity: 1; transform: translateY(0); }
  70%  { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-8px); }
}

.loader__bar {
  position: relative;
  width: min(240px, 60vw);
  height: 1px;
  background: rgba(245, 236, 216, 0.2);
  margin: 0 auto;
  overflow: hidden;
}
.loader__bar span {
  position: absolute; inset: 0;
  background: var(--gold);
  transform-origin: left center;
  animation: loaderBar 2s var(--ease) infinite;
}
@keyframes loaderBar {
  0%   { transform: scaleX(0); transform-origin: left; }
  50%  { transform: scaleX(1); transform-origin: left; }
  51%  { transform: scaleX(1); transform-origin: right; }
  100% { transform: scaleX(0); transform-origin: right; }
}

/* ==========================================================================
   Page Transition (click → work page curtain)
   ========================================================================== */
.page-transition {
  position: fixed;
  inset: 0;
  z-index: 1500;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(201, 168, 122, 0.18), transparent 55%),
    radial-gradient(ellipse at 80% 75%, rgba(122, 90, 56, 0.35), transparent 60%),
    linear-gradient(180deg, #2b1e13 0%, #3b2a1c 100%);
  transform: translateY(100%);
  transition: transform 0.9s cubic-bezier(0.77, 0, 0.18, 1);
  display: grid;
  place-items: center;
  pointer-events: none;
  will-change: transform;
  overflow: hidden;
}
.page-transition::before,
.page-transition::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s var(--ease) 0.2s;
}
.page-transition::before {
  top: -120px; left: -120px;
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(201, 168, 122, 0.55), transparent 70%);
  animation: ptGlow 6s ease-in-out infinite;
}
.page-transition::after {
  bottom: -140px; right: -140px;
  width: 440px; height: 440px;
  background: radial-gradient(circle, rgba(184, 144, 99, 0.45), transparent 70%);
  animation: ptGlow 7s ease-in-out infinite reverse;
}
.page-transition.is-active::before,
.page-transition.is-active::after,
.page-transition--enter::before,
.page-transition--enter::after {
  opacity: 1;
}
@keyframes ptGlow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(30px, -20px) scale(1.1); }
}
.page-transition.is-active {
  transform: translateY(0);
  pointer-events: auto;
}
/* Entry state (used on destination page for reveal) */
.page-transition--enter {
  transform: translateY(0);
  pointer-events: auto;
}
.page-transition--enter.is-leaving {
  transform: translateY(-100%);
  pointer-events: none;
}

.page-transition__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--cream, #f5ecd8);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s var(--ease) 0.15s, transform 0.5s var(--ease) 0.15s;
}
.page-transition__sub {
  display: block;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--gold, #c9a87a);
  font-size: 0.72rem;
  letter-spacing: 0.45em;
  margin-bottom: 2rem;
  text-transform: uppercase;
  opacity: 0.9;
}
.page-transition__caption {
  display: block;
  margin-top: 1.25rem;
  font-family: var(--font-serif);
  font-style: italic;
  color: rgba(245, 236, 216, 0.55);
  font-size: 0.7rem;
  letter-spacing: 0.4em;
}
.page-transition.is-active .page-transition__inner,
.page-transition--enter .page-transition__inner {
  opacity: 1;
  transform: translateY(0);
}
.page-transition--enter.is-leaving .page-transition__inner {
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}

.page-transition__text {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 3vw, 2rem);
  letter-spacing: 0.55em;
  padding-left: 0.55em;
  margin-bottom: 1.5rem;
  color: var(--cream, #f5ecd8);
}
.page-transition__text span {
  display: inline-block;
  opacity: 0;
  transform: translateY(18px);
}
.page-transition.is-active .page-transition__text span,
.page-transition--enter .page-transition__text span {
  animation: ptLetter 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.page-transition__text span:nth-child(1) { animation-delay: 0.35s; }
.page-transition__text span:nth-child(2) { animation-delay: 0.42s; }
.page-transition__text span:nth-child(3) { animation-delay: 0.49s; }
.page-transition__text span:nth-child(4) { animation-delay: 0.56s; }
.page-transition__text span:nth-child(5) { animation-delay: 0.63s; }
.page-transition__text span:nth-child(6) { animation-delay: 0.70s; }
.page-transition__text span:nth-child(7) { animation-delay: 0.77s; }
@keyframes ptLetter {
  to { opacity: 1; transform: translateY(0); }
}
/* Dot pulse accent next to LOADING */
.page-transition__text::after {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  margin-left: 0.6em;
  border-radius: 50%;
  background: var(--gold, #c9a87a);
  vertical-align: middle;
  opacity: 0;
}
.page-transition.is-active .page-transition__text::after,
.page-transition--enter .page-transition__text::after {
  animation: ptDot 1.2s ease-in-out 0.85s infinite;
}
@keyframes ptDot {
  0%, 100% { opacity: 0.2; transform: scale(0.8); }
  50%      { opacity: 1;   transform: scale(1.2); }
}

.page-transition__bar {
  position: relative;
  display: block;
  width: min(200px, 55vw);
  height: 1px;
  margin: 0 auto;
  background: rgba(245, 236, 216, 0.2);
  overflow: hidden;
}
.page-transition__bar i {
  position: absolute;
  inset: 0;
  background: var(--gold, #c9a87a);
  transform: scaleX(0);
  transform-origin: left center;
}
.page-transition.is-active .page-transition__bar i {
  animation: ptBar 0.9s cubic-bezier(0.77, 0, 0.18, 1) forwards;
}
@keyframes ptBar {
  0%   { transform: scaleX(0); transform-origin: left; }
  100% { transform: scaleX(1); transform-origin: left; }
}

@media (prefers-reduced-motion: reduce) {
  .page-transition { transition: opacity 0.2s linear; transform: none; opacity: 0; }
  .page-transition.is-active { opacity: 1; }
  .page-transition--enter { opacity: 1; }
  .page-transition--enter.is-leaving { opacity: 0; }
  .page-transition::before,
  .page-transition::after { animation: none; }
  .page-transition__text span { animation: none; opacity: 1; transform: none; }
  .page-transition__text::after { animation: none; opacity: 0.8; }
  .page-transition.is-active .page-transition__bar i { animation: none; transform: scaleX(1); }
}

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  z-index: 100;
  background: transparent;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.header.is-scrolled {
  background: rgba(43, 30, 19, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 rgba(201, 168, 122, 0.15);
}

.header__logo {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 0.25em;
  color: var(--cream);
  transition: opacity 0.3s var(--ease);
}
.header__logo:hover { opacity: 0.7; }

.nav__list {
  display: flex; gap: clamp(1.25rem, 2.5vw, 2.5rem);
}
.nav__link {
  position: relative;
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cream);
  padding: 0.5rem 0;
  transition: color 0.3s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.5s var(--ease);
}
.nav__link:hover { color: var(--gold); }
.nav__link:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
}

/* Hamburger */
.nav-toggle {
  display: none;
  width: 32px; height: 32px;
  background: transparent; border: 0; padding: 0; cursor: pointer;
  position: relative; z-index: 110;
}
.nav-toggle span {
  display: block;
  position: absolute; left: 4px; right: 4px;
  height: 1px;
  background: var(--cream);
  transition: transform 0.4s var(--ease), opacity 0.3s var(--ease), top 0.4s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 10px; }
.nav-toggle span:nth-child(2) { top: 16px; }
.nav-toggle span:nth-child(3) { top: 22px; }
.nav-toggle.is-open span:nth-child(1) { top: 16px; transform: rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { top: 16px; transform: rotate(-45deg); }

/* ==========================================================================
   Top / Hero
   ========================================================================== */
.top {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  color: var(--cream);
  display: grid; place-items: center;
}
.top__image {
  position: absolute; inset: 0;
  background-image: url("../images/hero.jpg");
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  animation: heroZoom 8s var(--ease) forwards;
}
@keyframes heroZoom {
  from { transform: scale(1.12); }
  to   { transform: scale(1.02); }
}
.top__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(43, 30, 19, 0.15) 0%, rgba(43, 30, 19, 0.55) 100%);
}

.top__content {
  position: relative;
  text-align: center;
  padding: 0 1.5rem;
}
.top__sub {
  font-size: 0.8rem;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  margin: 0 0 1rem;
  opacity: 0.85;
}
.top__title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(3rem, 10vw, 7rem);
  letter-spacing: 0.15em;
  margin: 0;
  padding-left: 0.15em;
  line-height: 1;
}
.top__name {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin: 1.25rem 0 0;
  letter-spacing: 0.2em;
  opacity: 0.9;
}

.top__scroll {
  position: absolute;
  left: 50%; bottom: -6rem;
  transform: translateX(-50%);
  display: inline-flex; flex-direction: column; align-items: center;
  gap: 0.75rem;
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  opacity: 0.85;
  transition: opacity 0.3s var(--ease);
}
.top__scroll:hover { opacity: 1; }
.top__scroll i {
  display: block;
  width: 1px; height: 50px;
  background: var(--cream);
  position: relative; overflow: hidden;
}
.top__scroll i::after {
  content: "";
  position: absolute; top: -100%; left: 0;
  width: 100%; height: 100%;
  background: var(--gold);
  animation: scrollLine 2.2s var(--ease) infinite;
}
@keyframes scrollLine {
  0%   { top: -100%; }
  100% { top: 100%; }
}

/* ==========================================================================
   Section common
   ========================================================================== */
.section {
  padding: clamp(5rem, 12vw, 9rem) clamp(1.25rem, 6vw, 6rem);
  max-width: 1280px;
  margin: 0 auto;
}
.section__head {
  text-align: center;
  margin-bottom: clamp(3rem, 7vw, 5rem);
}
.section__no {
  display: block;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--brown-500);
  font-size: 0.9rem;
  letter-spacing: 0.3em;
  margin-bottom: 0.5rem;
}
.section__title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  letter-spacing: 0.15em;
  margin: 0 0 0.5rem;
  color: var(--brown-800);
}
.section__sub {
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--brown-500);
  margin: 0;
}

/* ==========================================================================
   Profile
   ========================================================================== */
.profile__body {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.profile__photo {
  overflow: hidden;
  position: relative;
  line-height: 0;
  border-radius: 14px;
}
.profile__photo-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 1s var(--ease), filter 1s var(--ease);
  filter: saturate(0.95);
}
.profile__photo:hover .profile__photo-img {
  transform: scale(1.05);
  filter: saturate(1.05);
}

.profile__name {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 400;
  letter-spacing: 0.12em;
  margin: 0 0 0.5rem;
}
.profile__role {
  font-size: 0.8rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--brown-500);
  margin: 0 0 1.75rem;
}
.profile__desc {
  margin: 0 0 2.5rem;
  color: var(--brown-700);
  line-height: 2;
}
.profile__list {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  border-top: 1px solid var(--brown-200);
  padding-top: 1.5rem;
}
.profile__list > div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--brown-200);
}
.profile__list dt {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--brown-500);
  letter-spacing: 0.15em;
}
.profile__list dd {
  margin: 0;
  color: var(--brown-800);
}

/* ==========================================================================
   Works
   ========================================================================== */
.works {
  background: linear-gradient(180deg, var(--ivory) 0%, var(--cream) 100%);
  max-width: none;
  padding-left: clamp(1.25rem, 6vw, 6rem);
  padding-right: clamp(1.25rem, 6vw, 6rem);
}
.works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  max-width: 1280px;
  margin: 0 auto;
}
.work__link {
  display: block;
}
.work__thumb {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  position: relative;
  border-radius: clamp(28px, 3.4vw, 48px);
  box-shadow: 0 18px 40px -28px rgba(43, 30, 19, 0.4);
  transition: transform 0.8s var(--ease), box-shadow 0.8s var(--ease);
}
.work__thumb img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}
.work__thumb::after {
  content: "";
  position: absolute; inset: 0;
  background: rgba(43, 30, 19, 0);
  transition: background 0.5s var(--ease);
}
.work__link:hover .work__thumb {
  transform: translateY(-6px);
  box-shadow: 0 32px 60px -28px rgba(43, 30, 19, 0.45);
}
.work__link:hover .work__thumb img { transform: scale(1.06); }
.work__link:hover .work__thumb::after { background: rgba(43, 30, 19, 0.15); }

.work__info {
  padding: 1.25rem 0.25rem 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: baseline;
}
.work__cat {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--brown-500);
}
.work__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  margin: 0;
  transition: color 0.3s var(--ease);
}
.work__year {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--brown-500);
  margin: 0;
  font-size: 0.9rem;
}
.work__link:hover .work__title { color: var(--brown-600); }

/* ==========================================================================
   More Works (shown at the bottom of each work page)
   ========================================================================== */
.more-works {
  background: var(--ivory);
  color: var(--brown-900);
  padding: clamp(4rem, 9vw, 8rem) clamp(1.5rem, 6vw, 6rem);
  text-align: center;
  position: relative;
}
.more-works::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: min(120px, 30vw);
  height: 1px;
  background: var(--brown-300);
  opacity: 0.5;
}
.more-works__head {
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}
.more-works__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2rem, 4.5vw, 3rem);
  letter-spacing: 0.15em;
  margin: 0;
  color: var(--brown-900);
}
.more-works__sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  color: var(--brown-500);
  margin: 0.75rem 0 0;
}
.more-works__grid {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 1280px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(1rem, 2.2vw, 1.9rem);
}
.more-works__grid > li { list-style: none; }

.more-works .work__link {
  display: block;
  text-decoration: none;
  color: inherit;
}
.more-works .work__thumb {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  position: relative;
  border-radius: clamp(22px, 2.6vw, 38px);
  box-shadow: 0 18px 40px -28px rgba(43, 30, 19, 0.4);
  transition: transform 0.8s var(--ease), box-shadow 0.8s var(--ease);
}
.more-works .work__thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}
.more-works .work__thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(43, 30, 19, 0);
  transition: background 0.5s var(--ease);
}
.more-works .work__link:hover .work__thumb {
  transform: translateY(-6px);
  box-shadow: 0 32px 60px -28px rgba(43, 30, 19, 0.45);
}
.more-works .work__link:hover .work__thumb img { transform: scale(1.06); }
.more-works .work__link:hover .work__thumb::after { background: rgba(43, 30, 19, 0.15); }

.more-works .work__info {
  padding: 0.9rem 0.25rem 0;
  display: block;
  text-align: center;
}
.more-works .work__cat {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--brown-500);
}
.more-works .work__title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--brown-900);
  margin: 0.4rem 0 0.2rem;
  transition: color 0.3s var(--ease);
}
.more-works .work__year {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.75rem;
  color: var(--brown-500);
  margin: 0;
}
.more-works .work__link:hover .work__title { color: var(--brown-600); }

.more-works__all {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-top: clamp(3rem, 5vw, 4.5rem);
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.25em;
  color: var(--brown-700);
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--brown-300);
  transition: color 0.4s var(--ease), letter-spacing 0.5s var(--ease), border-color 0.4s var(--ease);
  text-decoration: none;
}
.more-works__all:hover {
  color: var(--brown-900);
  border-color: var(--brown-700);
  letter-spacing: 0.32em;
}
.more-works__arrow {
  display: inline-block;
  transition: transform 0.5s var(--ease);
}
.more-works__all:hover .more-works__arrow { transform: translateX(8px); }

@media (max-width: 900px) {
  .more-works__grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .more-works__grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
  .more-works .work__title { font-size: 0.9rem; }
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact__body {
  max-width: 640px;
  margin: 0 auto;
}
.contact__lead {
  text-align: center;
  color: var(--brown-700);
  line-height: 2;
  margin: 0 0 3rem;
}
.contact__form {
  display: grid;
  gap: 1.75rem;
}
.form-row {
  display: grid;
  gap: 0.5rem;
}
.form-row label {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--brown-600);
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.85rem 0;
  border: 0;
  border-bottom: 1px solid var(--brown-300);
  background: transparent;
  font-family: inherit;
  font-size: 1rem;
  color: var(--brown-900);
  letter-spacing: 0.05em;
  transition: border-color 0.3s var(--ease);
  resize: vertical;
}
.form-row input::placeholder,
.form-row textarea::placeholder {
  color: var(--brown-300);
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-bottom-color: var(--brown-700);
}

.btn {
  position: relative;
  justify-self: center;
  margin-top: 1.5rem;
  padding: 1rem 3.5rem;
  background: transparent;
  border: 1px solid var(--brown-700);
  color: var(--brown-800);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  cursor: pointer;
  overflow: hidden;
  transition: color 0.5s var(--ease);
}
.btn span { position: relative; z-index: 1; }
.btn::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--brown-800);
  transform: translateY(100%);
  transition: transform 0.5s var(--ease);
}
.btn:hover { color: var(--cream); }
.btn:hover::before { transform: translateY(0); }

.contact__sns {
  display: flex; justify-content: center; gap: 2rem;
  margin-top: 4rem;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}
.contact__sns a {
  position: relative;
  padding: 0.25rem 0;
  color: var(--brown-600);
  transition: color 0.3s var(--ease);
}
.contact__sns a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
}
.contact__sns a:hover { color: var(--brown-800); }
.contact__sns a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ==========================================================================
   Confirmation Modal
   ========================================================================== */
.confirm {
  position: fixed; inset: 0;
  z-index: 500;
  display: grid; place-items: center;
  padding: 1.25rem;
  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(43, 30, 19, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  cursor: pointer;
}

.confirm__panel {
  position: relative;
  width: min(560px, 100%);
  max-height: calc(100vh - 2.5rem);
  overflow-y: auto;
  background: var(--ivory);
  padding: clamp(2rem, 5vw, 3rem);
  box-shadow: 0 40px 80px -40px rgba(43, 30, 19, 0.5);
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.6s var(--ease), opacity 0.6s var(--ease);
}
.confirm.is-open .confirm__panel {
  transform: translateY(0);
  opacity: 1;
}
.confirm__panel--center { text-align: center; }

.confirm__head { text-align: center; margin-bottom: 1.75rem; }
.confirm__step {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--brown-500);
  letter-spacing: 0.3em;
  font-size: 0.8rem;
  margin: 0 0 0.4rem;
}
.confirm__title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  letter-spacing: 0.15em;
  margin: 0 0 0.5rem;
  color: var(--brown-800);
}
.confirm__sub {
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--brown-500);
  margin: 0;
}

.confirm__list {
  margin: 0 0 2rem;
  border-top: 1px solid var(--brown-200);
}
.confirm__list > div {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--brown-200);
}
.confirm__list dt {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--brown-500);
  letter-spacing: 0.2em;
  font-size: 0.85rem;
  margin: 0;
}
.confirm__list dd {
  margin: 0;
  color: var(--brown-800);
  word-break: break-word;
  white-space: pre-wrap;
  line-height: 1.8;
  font-size: 0.95rem;
}

.confirm__thanks-text {
  margin: 0 0 2rem;
  color: var(--brown-700);
  line-height: 2;
  font-size: 0.95rem;
}

.confirm__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.confirm__actions--center { justify-content: center; }

.btn--ghost {
  background: transparent;
  color: var(--brown-700);
  border: 1px solid var(--brown-400);
}
.btn--ghost::before { background: var(--brown-400); }
.btn--ghost:hover { color: var(--ivory); }

@media (max-width: 520px) {
  .confirm__list > div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
    padding: 0.85rem 0;
  }
  .confirm__actions { flex-direction: column; width: 100%; }
  .confirm__actions .btn { width: 100%; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  padding: 2.5rem 1.5rem;
  text-align: center;
  background: var(--brown-800);
  color: var(--brown-200);
}
.footer__copy {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  font-family: var(--font-serif);
  font-style: italic;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
  .profile__body { grid-template-columns: 1fr; }
  .profile__photo { max-width: 420px; margin: 0 auto; width: 100%; }
  .works__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  :root { --header-h: 64px; }

  .nav-toggle { display: block; }

  .nav {
    position: fixed;
    inset: 0;
    background: var(--brown-800);
    display: grid; place-items: center;
    opacity: 0; visibility: hidden;
    transition: opacity 0.5s var(--ease), visibility 0.5s var(--ease);
    z-index: 105;
  }
  .nav.is-open { opacity: 1; visibility: visible; }

  .nav__list {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }
  .nav__link {
    font-size: 1rem;
    letter-spacing: 0.4em;
  }

  .top__scroll { bottom: 1.5rem; }

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

  .profile__list > div {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .contact__sns {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* ==========================================================================
   Thanks Page
   ========================================================================== */
.thanks-page {
  background: linear-gradient(160deg, var(--ivory) 0%, var(--cream) 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.thanks {
  flex: 1;
  display: grid;
  place-items: center;
  padding: clamp(4rem, 10vw, 8rem) 1.5rem;
  position: relative;
  overflow: hidden;
}
.thanks::before,
.thanks::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(30px);
  opacity: 0.6;
  pointer-events: none;
}
.thanks::before {
  top: -120px; right: -120px;
  width: 360px; height: 360px;
  background: radial-gradient(circle, var(--brown-200), transparent 70%);
  animation: thanksFloat 10s ease-in-out infinite;
}
.thanks::after {
  bottom: -100px; left: -100px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, var(--brown-300), transparent 70%);
  animation: thanksFloat 12s ease-in-out infinite reverse;
}
@keyframes thanksFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-28px); }
}

.thanks__inner {
  position: relative;
  z-index: 1;
  max-width: 560px;
  text-align: center;
  padding: 3rem 2rem;
  animation: thanksFade 0.9s var(--ease) both;
}
@keyframes thanksFade {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.thanks__no {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--brown-500);
  letter-spacing: 0.35em;
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
}
.thanks__title {
  font-family: var(--font-serif);
  font-weight: 300;
  color: var(--brown-800);
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: 0.15em;
  margin: 0 0 2rem;
  line-height: 1.1;
}
.thanks__title::after {
  content: "";
  display: block;
  width: 64px; height: 1px;
  background: var(--brown-500);
  margin: 1.75rem auto 0;
  transform-origin: left center;
  animation: thanksLine 1s var(--ease) 0.3s both;
}
@keyframes thanksLine {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}
.thanks__lead {
  color: var(--brown-700);
  line-height: 2;
  margin: 0 0 3rem;
  font-size: 0.95rem;
}
.thanks__back {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--brown-800);
  padding: 1rem 2.5rem;
  border: 1px solid var(--brown-700);
  position: relative;
  overflow: hidden;
  transition: color 0.5s var(--ease);
}
.thanks__back span { position: relative; z-index: 1; }
.thanks__back .thanks__arrow {
  position: relative; z-index: 1;
  font-style: normal;
  transition: transform 0.5s var(--ease);
}
.thanks__back::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--brown-800);
  transform: translateX(-101%);
  transition: transform 0.5s var(--ease);
}
.thanks__back:hover { color: var(--cream); }
.thanks__back:hover::before { transform: translateX(0); }
.thanks__back:hover .thanks__arrow { transform: translateX(6px); }

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