@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@600;700&family=Noto+Sans+JP:wght@400;500;700&display=swap");

/* ==========================================================
   共通変数
   ========================================================== */
:root {
  --color-bg: #fbf7f2;
  --color-bg-soft: #ffffff;
  --color-ink: #2b2620;
  --color-ink-soft: #6f665b;
  --color-primary: #d97a3d;
  --color-primary-dark: #b95f26;
  --color-line: #e8e0d4;
  --color-fridge: #2f8f8a;
  --color-fridge-dark: #1f6f6a;
  --color-family: #8a5fc7;
  --color-family-dark: #6c43a6;
  --color-stock: #3f7dc9;
  --color-stock-dark: #2a5a96;
  --color-pocket: #5b6ee1;
  --color-pocket-dark: #3f4fc4;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-md: 0 16px 40px -20px rgba(43, 38, 32, 0.35);
  --shadow-sm: 0 8px 20px -12px rgba(43, 38, 32, 0.25);
  --font-heading: "Poppins", "Noto Sans JP", sans-serif;
  --font-body: "Noto Sans JP", "Hiragino Sans", sans-serif;
  --header-height: 72px;
}

/* ==========================================================
   リセット & 基本スタイル
   ========================================================== */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  line-height: 1.4;
  margin: 0;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================
   ヘッダー / ナビゲーション
   ========================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: rgba(251, 247, 242, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.logo span {
  color: var(--color-primary);
}

.nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: 32px;
}

.nav-list a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  transition: color 0.2s ease;
}

.nav-list a:hover {
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-bg-soft);
  font-size: 1.1rem;
  cursor: pointer;
}

/* ==========================================================
   ボタン
   ========================================================== */
.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.button-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.button-ghost {
  border: 1px solid var(--color-line);
  color: var(--color-ink);
}

.button-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ==========================================================
   ヒーローセクション
   ========================================================== */
.hero {
  position: relative;
  padding: 116px 0 100px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 0%, rgba(217, 122, 61, 0.16), transparent 55%),
    radial-gradient(circle at 12% 90%, rgba(47, 143, 138, 0.08), transparent 45%),
    radial-gradient(circle at 88% 90%, rgba(138, 95, 199, 0.08), transparent 45%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(43, 38, 32, 0.06) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(circle at 50% 0%, rgba(0, 0, 0, 0.5), transparent 60%);
  mask-image: radial-gradient(circle at 50% 0%, rgba(0, 0, 0, 0.5), transparent 60%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  color: var(--color-primary-dark);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.78rem;
  padding: 7px 18px;
  border-radius: 999px;
  background: rgba(217, 122, 61, 0.1);
  border: 1px solid rgba(217, 122, 61, 0.25);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}

.hero-highlight {
  position: relative;
  color: var(--color-primary-dark);
  white-space: nowrap;
}

.hero-highlight::after {
  content: "";
  position: absolute;
  left: -3px;
  right: -3px;
  bottom: 4px;
  height: 11px;
  background: rgba(217, 122, 61, 0.2);
  border-radius: 4px;
  z-index: -1;
}

.hero-lead {
  color: var(--color-ink-soft);
  font-size: 1.05rem;
  margin-bottom: 36px;
}

.hero-arrow {
  display: inline-block;
  transition: transform 0.2s ease;
}

.button-primary:hover .hero-arrow {
  transform: translateY(3px);
}

/* ==========================================================
   セクション共通
   ========================================================== */
section {
  padding: 72px 0;
}

.section-head {
  margin-bottom: 48px;
}

.section-eyebrow {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
}

.section-lead {
  color: var(--color-ink-soft);
  margin-top: 12px;
  max-width: 560px;
}

/* ==========================================================
   Works グリッド & カード
   ========================================================== */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.work-card {
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border: 1px solid var(--color-line);
}

.work-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.work-card-link {
  display: block;
}

.work-card-cover {
  position: relative;
  height: 168px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-size: 20px 20px;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.22) 1.5px, transparent 1.5px);
}

.work-card-cover::before,
.work-card-cover::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
}

.work-card-cover::before {
  width: 150px;
  height: 150px;
  top: -60px;
  left: -40px;
}

.work-card-cover::after {
  width: 110px;
  height: 110px;
  bottom: -50px;
  right: 12%;
  background: rgba(255, 255, 255, 0.15);
}

.work-card-cover--kitchen {
  background-color: var(--color-primary);
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.22) 1.5px, transparent 1.5px),
    linear-gradient(135deg, #ffd39a 0%, #f3b16b 45%, #b95f26 100%);
}

.work-card-cover--fridge {
  background-color: var(--color-fridge);
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.22) 1.5px, transparent 1.5px),
    linear-gradient(135deg, #9fe6cf 0%, #4fb3ac 45%, #1f6f6a 100%);
}

.work-card-cover--family {
  background-color: var(--color-family);
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.22) 1.5px, transparent 1.5px),
    linear-gradient(135deg, #d9c2f5 0%, #a878e0 45%, #6c43a6 100%);
}

.work-card-cover--stock {
  background-color: var(--color-stock);
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.22) 1.5px, transparent 1.5px),
    linear-gradient(135deg, #a9d4f5 0%, #5fa0dd 45%, #2a5a96 100%);
}

.work-card-cover--pocket {
  background-color: var(--color-pocket);
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.22) 1.5px, transparent 1.5px),
    linear-gradient(135deg, #c7cffa 0%, #7c8ce6 45%, #3f4fc4 100%);
}

.work-card-icon-tile {
  position: relative;
  z-index: 1;
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.1rem;
  box-shadow: 0 16px 28px -10px rgba(0, 0, 0, 0.4);
  transition: transform 0.25s ease;
}

.work-card:hover .work-card-icon-tile {
  transform: translateY(-4px) scale(1.04);
}

.work-card-body {
  padding: 24px;
}

.work-card-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.work-card--kitchen .work-card-tag {
  background: rgba(217, 122, 61, 0.12);
  color: var(--color-primary-dark);
}

.work-card--fridge .work-card-tag {
  background: rgba(47, 143, 138, 0.12);
  color: var(--color-fridge-dark);
}

.work-card--family .work-card-tag {
  background: rgba(138, 95, 199, 0.12);
  color: var(--color-family-dark);
}

.work-card--stock .work-card-tag {
  background: rgba(63, 125, 201, 0.12);
  color: var(--color-stock-dark);
}

.work-card--pocket .work-card-tag {
  background: rgba(91, 110, 225, 0.12);
  color: var(--color-pocket-dark);
}

.work-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.work-card-desc {
  color: var(--color-ink-soft);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.work-card-more {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
}

.work-card--fridge .work-card-more {
  color: var(--color-fridge);
}

.work-card--family .work-card-more {
  color: var(--color-family);
}

.work-card--stock .work-card-more {
  color: var(--color-stock);
}

.work-card--pocket .work-card-more {
  color: var(--color-pocket);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-list li {
  font-size: 0.75rem;
  color: var(--color-ink-soft);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  padding: 4px 10px;
}

/* ==========================================================
   About セクション
   ========================================================== */
.about-card {
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-line);
}

.about-intro {
  text-align: center;
}

.about-intro .section-lead {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.about-divider {
  height: 1px;
  background: var(--color-line);
  margin: 36px 0;
}

.about-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.about-list li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 24px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
}

.about-list li b {
  color: var(--color-ink-soft);
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* ==========================================================
   Contact セクション
   ========================================================== */
.contact {
  position: relative;
  padding: 96px 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, #f2e6d8 100%);
  border-top: 1px solid var(--color-line);
  overflow: hidden;
}

.contact::before {
  content: "";
  position: absolute;
  top: -240px;
  left: 50%;
  width: 520px;
  height: 480px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 122, 61, 0.16), transparent 70%);
  pointer-events: none;
}

.contact-card {
  position: relative;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 56px 40px;
}

.contact-inner {
  position: relative;
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.contact-note {
  margin-top: 18px;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
}

/* ==========================================================
   フッター
   ========================================================== */
.site-footer {
  padding: 32px 0;
  text-align: center;
  color: var(--color-ink-soft);
  font-size: 0.82rem;
}

/* ==========================================================
   作品詳細ページ
   ========================================================== */
.work-hero {
  padding: 64px 0 48px;
  color: #fff;
}

.work-hero--kitchen {
  background: linear-gradient(135deg, #f3b16b, #b95f26);
}

.work-hero--fridge {
  background: linear-gradient(135deg, #67c2bd, #1f6f6a);
}

.work-hero--family {
  background: linear-gradient(135deg, #b18ce8, #6c43a6);
}

.work-hero--stock {
  background: linear-gradient(135deg, #7db8ea, #2a5a96);
}

.work-hero--pocket {
  background: linear-gradient(135deg, #8b98ec, #3f4fc4);
}

.work-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  opacity: 0.9;
  margin-bottom: 24px;
}

.work-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 16px;
}

.work-hero-lead {
  max-width: 640px;
  opacity: 0.92;
}

.work-hero .tag-list li {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.work-hero-link {
  display: inline-flex;
  margin-top: 28px;
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

.work-hero-link:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
}

.work-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  align-items: start;
  padding-top: 48px;
}

.work-section {
  margin-bottom: 48px;
}

.work-section h2 {
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.work-section p {
  color: var(--color-ink-soft);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.feature-card {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px;
}

.feature-card h3 {
  font-size: 0.98rem;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.88rem;
  margin: 0;
}

.work-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  overflow: hidden;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}

.work-sidebar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.work-sidebar--kitchen::before {
  background: linear-gradient(135deg, #f3b16b, #b95f26);
}

.work-sidebar--fridge::before {
  background: linear-gradient(135deg, #67c2bd, #1f6f6a);
}

.work-sidebar--family::before {
  background: linear-gradient(135deg, #b18ce8, #6c43a6);
}

.work-sidebar--stock::before {
  background: linear-gradient(135deg, #7db8ea, #2a5a96);
}

.work-sidebar--pocket::before {
  background: linear-gradient(135deg, #8b98ec, #3f4fc4);
}

.work-sidebar-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  margin-bottom: 16px;
}

.work-sidebar-label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-line);
}

.work-sidebar--kitchen .work-sidebar-label::before {
  background: var(--color-primary);
}

.work-sidebar--fridge .work-sidebar-label::before {
  background: var(--color-fridge);
}

.work-sidebar--family .work-sidebar-label::before {
  background: var(--color-family);
}

.work-sidebar--stock .work-sidebar-label::before {
  background: var(--color-stock);
}

.work-sidebar--pocket .work-sidebar-label::before {
  background: var(--color-pocket);
}

.work-sidebar .tag-list {
  gap: 10px;
}

.work-sidebar .tag-list li {
  background: var(--color-bg);
  padding: 6px 13px;
  font-size: 0.78rem;
}

.work-sidebar-divider {
  height: 1px;
  background: var(--color-line);
  margin: 28px 0;
}

.work-sidebar-text {
  font-size: 0.88rem;
  color: var(--color-ink-soft);
  line-height: 1.7;
  margin: 0;
}

.work-nav-footer {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
}

/* ==========================================================
   レスポンシブ対応
   ========================================================== */
@media (max-width: 860px) {
  .work-grid {
    grid-template-columns: 1fr;
  }

  .about-card {
    padding: 32px 24px;
  }

  .about-divider {
    margin: 28px 0;
  }

  .about-list {
    grid-template-columns: 1fr;
  }

  .work-content {
    grid-template-columns: 1fr;
  }

  .work-sidebar {
    position: static;
  }

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

@media (max-width: 680px) {
  .nav-list {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg-soft);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--color-line);
    display: none;
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-list li {
    width: 100%;
    text-align: center;
  }

  .nav-list a {
    display: block;
    padding: 16px 0;
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    padding: 64px 0 56px;
  }
}