/* =====================
   リセット・基本設定
   ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-bg-primary: #FDF8F2;
  --color-bg-hero:    #F0DEDE;
  --color-bg-gallery: #EFECD5;
  --color-text:       #493726;
  --color-text-mid:   #6B5040;
  --color-accent:     #493726;
  --font-logo:  'Mea Culpa', cursive;
  --font-serif: 'Cormorant Garamond', 'EB Garamond', Georgia, serif;
  --font-sans:  'Raleway', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
  --font-jp:    'Hannari', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --gutter: clamp(1.5rem, 5vw, 4.5rem);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg-primary);
  line-height: 1.9;
  font-size: 15px;
}

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

/* =====================
   ヘッダー
   ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg-primary);
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 var(--gutter);
  border-bottom: none;
}

.header-logo {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 300;
}

/* =====================
   Hero
   ===================== */
.hero {
  background: var(--color-bg-hero);
  display: grid;
  grid-template-columns: 58fr 42fr;
  min-height: calc(100vh - 48px);
}

.hero-image {
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

/* ポイント: width と height 両方指定して object-fit: contain で全体表示 */
.hero-image img {
  width: 100%;
  height: calc(100vh - 48px);
  object-fit: contain;
  transform: scale(1.40);
  transform-origin: 0% 58.41%;
  object-position: 0% 58.41%;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem var(--gutter) 3rem 1.5rem;
}

.hero-brand { margin-bottom: 2.5rem; width: fit-content; }

.hero-title {
  font-family: var(--font-logo);
  font-size: clamp(5.5rem, 12vw, 13rem);
  line-height: 1;
  color: var(--color-text);
  margin-bottom: 0;
}

.hero-sub {
  font-family: var(--font-sans);
  font-size: clamp(0.85rem, 1.3vw, 1.15rem);
  letter-spacing: 0.22em;
  font-weight: 300;
  color: var(--color-text);
  text-align: right;
}

.hero-nav {
  border-top: none;
  padding-top: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  align-items: flex-start;
  align-self: flex-end;
}

.hero-nav::before {
  content: '';
  display: block;
  width: 15rem;
  height: 1px;
  background: var(--color-text);
  margin-bottom: 1.4rem;
}

.hero-nav a {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 1.6vw, 1.4rem);
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 4px;
  letter-spacing: 0.03em;
  transition: opacity 0.2s;
  width: fit-content;
  font-weight: 300;
}

.hero-nav a:hover { opacity: 0.6; }

.icon-instagram {
  width: 22px;
  height: 22px;
  color: var(--color-text);
  margin-top: 0.2rem;
}

/* =====================
   共通セクション
   ===================== */
.section {
  padding: clamp(1.5rem, 2.5vw, 2.5rem) var(--gutter) clamp(3rem, 6vw, 5rem);
  min-height: calc(100vh - 48px);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 300;
  color: var(--color-text);
  letter-spacing: 0.02em;
  margin-bottom: 2.5rem;
}

/* =====================
   About
   ===================== */
.about { background: var(--color-bg-primary); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem clamp(2.5rem, 6vw, 6rem);
  align-items: stretch;
}

.about-profile,
.about-exhibition {
  display: flex;
  flex-direction: column;
}

.about-profile p:not(.about-label),
.about-exhibition .exhibition-list {
  flex: 1;
}

.about-label {
  font-family: var(--font-jp);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-text);
  margin-bottom: 0.9rem;
}

.about-profile p:not(.about-label) {
  font-family: var(--font-jp);
  font-size: 0.88rem;
  line-height: 2.8;
  color: var(--color-text);
}

.exhibition-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.exhibition-list li {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.8rem;
  font-family: var(--font-jp);
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--color-text);
}

.ex-date {
  white-space: nowrap;
  padding-top: 0.05em;
}

/* =====================
   Gallery
   ===================== */
.gallery {
  background: var(--color-bg-gallery);
  padding: 0;
}

.gallery .section-title { flex-shrink: 0; }

.gallery-section {
  padding: clamp(1.5rem, 2.5vw, 2.5rem) var(--gutter) clamp(2rem, 3vw, 3rem);
  display: flex;
  flex-direction: column;
  margin-bottom: 0;
}

.gallery-section:last-child { margin-bottom: 0; }
.gallery-section--watercolor { background: var(--color-bg-primary); }

.gallery-label {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  color: var(--color-text);
  margin-bottom: 1rem;
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

/* Gallery grids */
.gallery-grid-digital {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}
/* watercolor: 非人物4枚を1行目・人物3枚を2行目に分けるため4列 */
.gallery-grid-watercolor {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
}

/* gcell: 正方形セル */
.gcell {
  aspect-ratio: 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 共通画像スタイル */
.gcell img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  cursor: zoom-in;
  transition: opacity 0.22s;
}

.gcell img:hover { opacity: 0.82; }

/* =====================
   Online Shop
   ===================== */
.shop { background: var(--color-bg-gallery); display: flex; flex-direction: column; }
.shop .section-title { flex-shrink: 0; }

.shop-message {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-mid);
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-style: italic;
  letter-spacing: 0.18em;
  text-align: center;
}

/* =====================
   Order
   ===================== */
.order { background: var(--color-bg-primary); }

.order-subtitle {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  color: var(--color-text);
  margin-top: -2rem;
  margin-bottom: 3.5rem;
}

/* ステップ：縦並びレイアウト */
.steps-list {
  display: flex;
  flex-direction: column;
  max-width: 680px;
}

.step-row {
  display: grid;
  grid-template-columns: 80px 110px 1fr;
  gap: 0 2rem;
  align-items: start;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(61,48,34,0.12);
  margin-bottom: 2.5rem;
}

.step-row--last {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

/* 左列：バッジ＋点線 */
.step-left {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.step-badge {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.15;
  flex-shrink: 0;
}

.step-badge span:first-child { font-size: 0.6rem; letter-spacing: 0.14em; }
.step-badge span:last-child  { font-size: 1.35rem; font-weight: 500; font-variant-numeric: tabular-nums; }

.step-connector {
  width: 2px;
  flex: 1;
  min-height: 60px;
  border-left: 2px dotted rgba(61,48,34,0.3);
  margin-top: 0.5rem;
}

/* 中列：アイコン＋名称 */
.step-middle {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  padding-top: 0.3rem;
}

.step-icon {
  width: 52px;
  height: 52px;
  color: var(--color-accent);
}

.step-name {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-text);
}

/* 右列：説明文 */
.step-right {
  padding-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.step-desc {
  font-family: var(--font-jp);
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--color-text);
  font-weight: 500;
}

.step-note {
  font-family: var(--font-jp);
  font-size: 0.8rem;
  line-height: 1.75;
  color: var(--color-text-mid);
}

/* =====================
   Contact
   ===================== */
.contact { background: var(--color-bg-hero); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}

.contact .section-title { margin-bottom: 1.8rem; }

.contact-limit {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}

.contact-desc {
  font-family: var(--font-jp);
  font-size: 0.8rem;
  line-height: 2.1;
  color: var(--color-text);
  margin-bottom: 1.8rem;
}

.contact-email {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-text);
  padding-bottom: 1px;
  letter-spacing: 0.02em;
}

/* フォーム */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.3rem; }

.form-group label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-text);
}

.required { color: #a04535; font-size: 1.1rem; vertical-align: middle; }

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid rgba(61,48,34,0.3);
  background: rgba(250,247,242,0.75);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--color-text);
  border-radius: 1px;
  outline: none;
  transition: border-color 0.2s;
  /* placeholderが収まるよう min-width を確保 */
  min-width: 0;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(61,48,34,0.4);
  font-size: 0.78rem;
}

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

.form-group textarea { resize: vertical; min-height: 130px; }

.form-submit {
  align-self: flex-start;
  padding: 0.65rem 2rem;
  background: var(--color-accent);
  color: #FAF7F2;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  cursor: pointer;
  border-radius: 1px;
  transition: opacity 0.2s;
}

.form-submit:hover { opacity: 0.78; }

.form-success {
  font-family: var(--font-jp);
  font-size: 0.92rem;
  line-height: 2;
  color: var(--color-text);
  padding: 2rem 0;
}

/* 名前：横並び */
.form-name-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

/* セレクト */
.form-select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid rgba(61,48,34,0.3);
  background: rgba(250,247,242,0.75);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--color-text);
  border-radius: 1px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%233d3022' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
}
.form-select:focus { border-color: var(--color-accent); }

/* ラジオボタン */
.form-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
  margin-top: 0.15rem;
}

.form-radio-option {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--color-text);
  cursor: pointer;
  letter-spacing: 0.05em;
}

.form-radio-option input[type="radio"] {
  width: auto;
  accent-color: var(--color-accent);
  cursor: pointer;
}

/* ファイルアップロード */
.form-file-area {
  border: 1px dashed rgba(61,48,34,0.35);
  border-radius: 2px;
  background: rgba(250,247,242,0.5);
  position: relative;
  transition: border-color 0.2s, background 0.2s;
}

.form-file-area.drag-over {
  border-color: var(--color-accent);
  background: rgba(160,69,53,0.05);
}

.form-file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.form-file-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.4rem 1rem;
  gap: 0.3rem;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text);
  text-align: center;
  pointer-events: none;
}

.form-file-note {
  font-size: 0.72rem;
  color: rgba(61,48,34,0.5);
}

.form-file-name {
  font-size: 0.75rem;
  color: var(--color-accent);
  text-align: center;
  padding: 0 1rem 0.6rem;
  min-height: 1.2em;
}

/* =====================
   Footer
   ===================== */
.site-footer {
  background: var(--color-bg-primary);
  text-align: center;
  padding: 1.5rem var(--gutter);
  font-size: 0.7rem;
  color: var(--color-text-mid);
  letter-spacing: 0.1em;
}

/* =====================
   レスポンシブ
   ===================== */
@media (max-width: 1024px) {
  .step-row { grid-template-columns: 70px 90px 1fr; gap: 0 1.2rem; }
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    min-height: auto;
  }

  .hero-image {
    height: 65vw;
    justify-content: center;
  }

  .hero-image img {
    width: auto;
    height: 100%;
    object-position: top center;
  }

  .hero-content {
    padding: 2rem var(--gutter);
    align-items: center;
    text-align: center;
  }

  .hero-nav { align-items: center; width: 100%; }

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

  .gallery-grid-digital { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid-watercolor { grid-template-columns: repeat(2, 1fr); }

  .contact-inner { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .step-row { grid-template-columns: 60px 80px 1fr; gap: 0 0.8rem; }
  .exhibition-list li { grid-template-columns: 1fr; gap: 0.1rem; }
  .hero-image { height: 80vw; }
}