/* ========================================
   変数（色・フォント・余白）
   ======================================== */
:root {
  --color-cream: #f8f4e6;
  --color-cream-dark: #ebe4cf;
  --color-white: #ffffff;
  --color-text: #3a3a3a;
  --color-text-muted: #888888;
  --color-border: #f0f0f0;
  --color-accent: #c8874a;
  --color-accent-light: #f5ebe0;

  --font-display: "Zen Maru Gothic", sans-serif;
  --font-body: "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;

  --layout-max: 1080px;   /* ヘッダー・フッター */
  --content-max: 900px;    /* メインコンテンツ */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;

  --radius: 8px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* ========================================
   リセット・基本スタイル
   ======================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--color-text);
  background-color: var(--color-white);
}

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

a {
  color: var(--color-text);
  text-decoration: none;
}

a:hover {
  color: var(--color-accent);
}

h1, h2, h3 {
  line-height: 1.4;
  margin: 0 0 var(--space-sm);
}

p {
  margin: 0 0 var(--space-sm);
}

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

/* ヘッダー・フッター用（1080px） */
.layout-inner {
  max-width: var(--layout-max);
  margin-inline: auto;
  padding-inline: 2rem;
  width: 100%;
}

/* メインコンテンツ用（900px） */
.content-inner {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: 2rem;
  width: 100%;
}

main.page-main {
  padding-bottom: 5rem;
}

.page-main.home-page {
  padding-top: 0;
}

.page-main:not(.home-page) {
  padding-top: 2.5rem;
}

/* ========================================
   ヘッダー
   ======================================== */
.site-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  padding-block: 1.2rem 1rem;
}

.site-logo {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  line-height: 1.5;
}

.site-logo a {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
  text-decoration: none;
}

.site-logo a:hover {
  color: var(--color-text);
  text-decoration: none;
}

.site-logo-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background-color: var(--color-text);
  transition: transform 0.2s, opacity 0.2s;
}

.site-nav {
  margin-left: auto;
  margin-right: 0.75rem;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-xs) 0.65rem;
}

.nav-list a {
  display: inline-block;
  padding: 0.3rem 0.2rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  text-decoration: none;
  letter-spacing: 0.06em;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-list a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.nav-list a[aria-current="page"] {
  font-weight: 400;
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ========================================
   下層ページ：ページヘッダー
   ======================================== */
.page-header {
  margin-bottom: 2.5rem;
  text-align: center;
}

.page-deco {
  margin: 0 0 1.25rem;
}

.page-title {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid var(--color-accent);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-text);
}

.page-lead,
.section-lead {
  margin: 0 auto;
  max-width: 36em;
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--color-text-muted);
}

.section-link {
  margin-top: var(--space-md);
  font-size: 0.875rem;
}

.section-link a {
  color: var(--color-accent);
}

.section-link a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* ========================================
   プレースホルダー
   ======================================== */
.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, var(--color-cream-dark), var(--color-cream));
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  box-sizing: border-box;
}

.deco-placeholder {
  width: 160px;
  height: 160px;
  margin-inline: auto;
  border-radius: 50%;
}

.page-deco-image {
  display: block;
  width: 160px;
  height: 160px;
  margin-inline: auto;
  object-fit: contain;
}

.page-deco-image-sm {
  width: 128px;
  height: 128px;
}

.thumb-placeholder,
.work-placeholder,
.gallery-placeholder {
  width: 100%;
  aspect-ratio: 1 / 1;
}

.multi-placeholder {
  width: 100%;
  aspect-ratio: 1 / 1;
  font-size: 0.7rem;
  border-style: dashed;
  background-color: var(--color-white);
}

.guide-icon {
  display: block;
  width: 128px;
  height: 128px;
  margin: 0 auto 1.2rem;
  object-fit: contain;
}

/* ========================================
   ホーム：メインビジュアル
   ======================================== */
.hero {
  background: linear-gradient(180deg, var(--color-cream) 0%, var(--color-white) 100%);
  padding-block: var(--space-lg) var(--space-md);
}

.home-hero {
  margin-bottom: var(--space-lg);
  padding: 0;
  background: none;
}

.home-hero .hero-visual-wrap {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: none;
  aspect-ratio: 1024 / 360;
}

.home-hero .hero-visual {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
}

.hero-visual-wrap {
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 1024 / 400;
  box-shadow: var(--shadow);
}

.hero-visual {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================================
   ホーム：セクション共通
   ======================================== */
.page-main.home-page > .content-inner {
  padding-top: var(--space-lg);
}

.home-section {
  margin-bottom: var(--space-xl);
}

.home-section:last-child {
  margin-bottom: 0;
}

.section-heading {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-cream);
  margin-bottom: var(--space-md);
}

/* 自己紹介 */
.intro-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
  border: none;
  border-radius: var(--radius);
  background-color: var(--color-cream);
}

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

.intro-sns-card {
  padding: var(--space-md) var(--space-md) var(--space-lg);
  border: none;
  border-radius: var(--radius);
  background-color: var(--color-white);
  container-type: inline-size;
}

.intro-sns-heading {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  margin: 0 0 var(--space-md);
  padding: 0.45rem 1.35rem;
  color: var(--color-text);
  background-color: var(--color-cream);
  border: 1px solid var(--color-cream-dark);
  border-radius: var(--radius);
}

.intro-sns .sns-list {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: flex-start;
  width: 100%;
  gap: 1.75rem;
}

.intro-sns .sns-list li {
  flex: 0 0 auto;
  min-width: 0;
}

.intro-sns .sns-link {
  width: auto;
}

.intro-sns .sns-icon {
  width: 72px;
  height: 72px;
  margin-inline: auto;
  margin-bottom: var(--space-xs);
}

.intro-sns .sns-label {
  display: block;
  font-size: clamp(0.5625rem, 2.8cqi, 0.875rem);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.intro-dialogue {
  display: flex;
  align-items: stretch;
  gap: var(--space-sm);
}

.intro-speech {
  position: relative;
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-white);
  border: 1px solid var(--color-cream-dark);
  border-radius: 2rem;
  container-type: inline-size;
}

.intro-speech::before,
.intro-speech::after {
  content: "";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  border-style: solid;
}

.intro-speech::before {
  right: -13px;
  border-width: 11px 0 11px 13px;
  border-color: transparent transparent transparent var(--color-cream-dark);
}

.intro-speech::after {
  right: -11px;
  border-width: 10px 0 10px 12px;
  border-color: transparent transparent transparent var(--color-white);
}

.intro-speech .intro-text {
  margin: 0;
  width: 100%;
  min-width: 0;
  color: var(--color-text-muted);
  font-size: clamp(0.875rem, calc((100cqi - 2.5rem) / 27), 1rem);
  line-height: 1.75;
  text-align: center;
}

.intro-text-line {
  display: block;
}

.intro-profile {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  min-width: 100px;
  margin-right: var(--space-sm);
  text-align: center;
}

.profile-avatar {
  width: 80px;
  height: auto;
  flex-shrink: 0;
  object-fit: contain;
}

.profile-name {
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 2.5vw, 1.1rem);
  margin: 0;
}

/* ========================================
   ページトップへ戻るボタン
   ======================================== */
.page-top-button {
  position: fixed;
  right: var(--space-md);
  bottom: var(--space-md);
  z-index: 100;
  padding: 0.6rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  line-height: 1;
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(0.5rem);
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease,
    transform 0.3s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

.page-top-button.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.page-top-button:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.page-top-button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* SNS */
.sns-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
}

.sns-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--color-text);
  text-align: center;
  text-decoration: none;
}

.sns-link:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.sns-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-xs);
  object-fit: contain;
}

.sns-label {
  font-size: 0.875rem;
  line-height: 1.4;
}

/* ページ案内カード */
.guide-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.guide-card-link {
  display: block;
  padding: 1.8rem 1.2rem;
  text-align: center;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  transition: border-color 0.2s, background-color 0.2s;
}

.guide-card-link:hover {
  color: var(--color-text);
  text-decoration: none;
  border-color: var(--color-cream-dark);
  background-color: var(--color-cream);
}

.guide-card-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: var(--space-xs);
}

.guide-card-text {
  margin: 0 0 var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.guide-card-more {
  display: inline-block;
  padding: 0.5rem 1.75rem;
  font-size: 0.875rem;
  color: var(--color-white);
  background-color: var(--color-accent);
  border-radius: var(--radius);
  transition: background-color 0.2s;
}

.guide-card-link:hover .guide-card-more {
  background-color: var(--color-text);
}

/* ========================================
   イラスト：ギャラリー
   ======================================== */
.gallery {
  display: grid;
  gap: var(--space-sm);
}

.gallery-illustration {
  grid-template-columns: repeat(3, 1fr);
}

/* Instagram ギャラリー */
.instagram-gallery-wrap {
  margin-bottom: var(--space-lg);
}

.instagram-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

@media (max-width: 900px) {
  .instagram-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

.instagram-gallery[hidden] {
  display: none !important;
}

.instagram-gallery-message[hidden] {
  display: none !important;
}

.instagram-gallery-message {
  margin: var(--space-lg) 0;
  padding: var(--space-lg);
  text-align: center;
  color: var(--color-text-muted);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.instagram-gallery-item {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-white);
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.instagram-gallery-item:hover {
  border-color: var(--color-accent);
}

.instagram-gallery-item:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.instagram-gallery-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Instagram モーダル */
body.instagram-modal-open {
  overflow: hidden;
}

.instagram-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  background-color: rgba(0, 0, 0, 0.82);
}

.instagram-modal[hidden] {
  display: none;
}

.instagram-modal-inner {
  position: relative;
  width: min(92vw, 720px);
  max-height: 92vh;
}

.instagram-modal-figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0;
}

.instagram-modal-image {
  display: block;
  max-width: 100%;
  max-height: calc(92vh - 5rem);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius);
}

.instagram-modal-caption {
  margin-top: var(--space-sm);
  text-align: center;
}

.instagram-modal-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-white);
  background-color: var(--color-accent);
  border-radius: var(--radius);
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.instagram-modal-link:hover {
  background-color: var(--color-text);
  text-decoration: none;
}

.instagram-modal-close,
.instagram-modal-prev,
.instagram-modal-next {
  position: absolute;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-white);
  background-color: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.instagram-modal-close:hover,
.instagram-modal-prev:hover,
.instagram-modal-next:hover,
.instagram-modal-close:focus-visible,
.instagram-modal-prev:focus-visible,
.instagram-modal-next:focus-visible {
  background-color: rgba(0, 0, 0, 0.8);
  outline: none;
}

.instagram-modal-close {
  top: -0.25rem;
  right: -0.25rem;
  font-size: 1.5rem;
}

.instagram-modal-prev {
  top: 50%;
  left: -3rem;
  transform: translateY(-50%);
}

.instagram-modal-next {
  top: 50%;
  right: -3rem;
  transform: translateY(-50%);
}

.instagram-modal-prev:disabled,
.instagram-modal-next:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.instagram-modal-prev:disabled:hover,
.instagram-modal-next:disabled:hover {
  background-color: rgba(0, 0, 0, 0.55);
}

/* ========================================
   ブログ：記事一覧＋サイドバー
   ======================================== */
.blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  column-gap: var(--space-xl);
  row-gap: var(--space-lg);
  align-items: start;
  margin-top: 0;
}

.blog-main {
  min-width: 0;
}

.blog-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-item.is-hidden {
  display: none;
}

.blog-list li {
  border-bottom: 1px solid var(--color-border);
}

.blog-list li:last-child {
  border-bottom: none;
}

.blog-item-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 1.25rem 0;
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.2s ease;
}

.blog-item-link:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.blog-item-body {
  flex: 1;
}

.blog-date {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 0.2rem;
}

.blog-category {
  display: inline-block;
  margin-bottom: 0.35rem;
  padding: 0.15rem 0.5rem;
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--color-accent);
  background-color: var(--color-accent-light);
  border: 1px solid var(--color-border);
  border-radius: 999px;
}

.blog-title {
  display: block;
  font-size: 0.95rem;
  font-weight: 400;
  margin-bottom: 0.3rem;
}

.blog-excerpt {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.blog-arrow {
  flex-shrink: 0;
  font-size: 1rem;
  color: var(--color-border);
}

.blog-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: 0;
  margin-inline-start: var(--space-sm);
  justify-self: end;
}

.blog-widget {
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-white);
}

.blog-widget-title {
  margin: 0 0 var(--space-sm);
  padding-bottom: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--color-border);
}

.blog-category-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.blog-category-button {
  width: 100%;
  padding: 0.45rem 0.75rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  text-align: left;
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    background-color 0.2s ease;
}

.blog-category-button:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.blog-category-button.is-active {
  color: var(--color-white);
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.blog-recent-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-recent-list li {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--color-border);
}

.blog-recent-list li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.blog-recent-list li:first-child {
  padding-top: 0;
}

.blog-recent-link {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--color-text);
  text-decoration: none;
}

.blog-recent-link:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.blog-recent-date {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.blog-profile-avatar {
  display: block;
  width: 56px;
  height: auto;
  margin: 0 auto var(--space-sm);
  object-fit: contain;
}

.blog-profile-text {
  margin: 0 0 var(--space-sm);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.blog-profile-link {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: none;
}

.blog-profile-link:hover {
  text-decoration: underline;
}

/* ========================================
   実績紹介：ポートフォリオカード
   ======================================== */
.works-portfolio {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.works-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  width: 100%;
  padding: var(--space-lg);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color 0.2s ease;
  container-type: inline-size;
}

.works-card:hover {
  border-color: var(--color-accent);
}

.works-card-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
}

.works-card-visual {
  display: flex;
  justify-content: center;
  width: 100%;
  margin: var(--space-sm) 0 var(--space-lg);
}

.works-mockup-stage {
  position: relative;
  width: 100%;
}

.works-mockup {
  position: relative;
}

.works-mockup-pc {
  width: 100%;
  margin-inline: auto;
}

.works-mockup-frame {
  overflow: hidden;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
}

.works-mockup-pc .works-mockup-frame {
  border-radius: calc(var(--radius) + 2px);
}

.works-mockup-bar {
  display: flex;
  gap: 0.35rem;
  align-items: center;
  padding: 0.55rem 0.75rem;
  background: linear-gradient(180deg, var(--color-cream) 0%, var(--color-cream-dark) 100%);
  border-bottom: 1px solid var(--color-border);
}

.works-mockup-bar span {
  display: block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background-color: var(--color-border);
}

.works-mockup-bar span:first-child {
  background-color: #d4a89a;
}

.works-mockup-bar span:nth-child(2) {
  background-color: #d4c4a0;
}

.works-mockup-bar span:nth-child(3) {
  background-color: #a8c4a0;
}

.works-mockup-screen {
  overflow: hidden;
  aspect-ratio: 1024 / 455;
  background-color: var(--color-cream);
}

.works-mockup-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
}

.works-badge {
  display: inline-block;
  margin-bottom: 0.85rem;
  padding: 0.28rem 0.8rem;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  background-color: var(--color-accent-light);
  border: 1px solid var(--color-border);
  border-radius: 999px;
}

.works-card-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.06em;
}

.works-card-desc {
  width: 100%;
  margin: 0 0 var(--space-sm);
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--color-text-muted);
}

.works-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  width: 100%;
  margin-bottom: var(--space-lg);
}

.works-meta-label {
  margin: 0 0 0.55rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text);
}

.works-meta-text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--color-text-muted);
}

.works-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.works-tag-list li {
  padding: 0.32rem 0.7rem;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--color-text);
  background-color: var(--color-accent-light);
  border: 1px solid var(--color-border);
  border-radius: 999px;
}

.works-tag-list-tech li {
  color: var(--color-text-muted);
  background-color: var(--color-white);
}

.works-card-button {
  align-self: center;
  display: inline-block;
  padding: 0.65rem 2rem;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-white);
  background-color: var(--color-accent);
  border-radius: 2rem;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

@container (min-width: 640px) {
  .works-card-title {
    font-size: 1.25rem;
  }
}

.works-card-button:hover {
  background-color: var(--color-text);
  text-decoration: none;
}

.works-coming-soon {
  margin: 0;
  padding: var(--space-lg);
  text-align: center;
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--color-text-muted);
  background-color: var(--color-white);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
}

/* ========================================
   お問い合わせフォーム
   ======================================== */
.contact-form p {
  margin: 0 0 2rem;
}

.contact-form label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.5rem 0;
  border: none;
  border-bottom: 1px solid var(--color-border);
  background: transparent;
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text);
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-bottom-color: var(--color-accent);
}

.contact-form button {
  display: block;
  margin: 2rem auto 0;
  padding: 0.65rem 2.5rem;
  background-color: var(--color-text);
  color: var(--color-white);
  border: none;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-family: inherit;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.contact-form button:hover {
  background-color: var(--color-accent);
}

/* ========================================
   フッター
   ======================================== */
.site-footer {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  padding-block: 2.5rem 3.5rem;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  margin: 0 0 0.4rem;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: #aaaaaa;
}

.footer-copy {
  font-size: 0.75rem;
  color: #cccccc;
  letter-spacing: 0.08em;
  margin: 0;
}

/* ========================================
   レスポンシブ（768px以下）
   ======================================== */
@media (max-width: 768px) {
  .layout-inner,
  .content-inner {
    padding-inline: 1.25rem;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .site-nav {
    display: none;
    width: 100%;
    margin-left: 0;
    order: 3;
  }

  .site-nav.is-open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
  }

  .nav-list a {
    display: block;
    padding: 0.75rem;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-list a[aria-current="page"] {
    color: var(--color-accent);
    border-bottom: 2px solid var(--color-accent);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .guide-cards {
    grid-template-columns: 1fr;
  }

  .deco-placeholder,
  .page-deco-image {
    width: 120px;
    height: 120px;
  }

  .page-deco-image-sm {
    width: 100px;
    height: 100px;
  }

  .gallery-illustration,
  .instagram-gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
  }

  .instagram-modal {
    padding: var(--space-sm);
  }

  .instagram-modal-inner {
    width: 100%;
  }

  .instagram-modal-prev {
    left: 0.25rem;
  }

  .instagram-modal-next {
    right: 0.25rem;
  }

  .instagram-modal-close {
    top: 0.25rem;
    right: 0.25rem;
  }

  .instagram-modal-image {
    max-height: calc(92vh - 6rem);
  }

  .works-card {
    padding: var(--space-md);
  }

  .works-card-visual {
    margin: var(--space-xs) 0 var(--space-md);
  }

  .works-mockup-stage {
    width: 100%;
  }

  .works-meta {
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
  }

  .works-coming-soon {
    padding: var(--space-md);
    font-size: 0.8125rem;
  }

  .intro-sns-card {
    padding: var(--space-md);
  }

  .intro-sns .sns-list {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: clamp(0.25rem, 2cqi, 0.5rem);
  }

  .intro-sns .sns-list li {
    flex: 1;
    min-width: 0;
  }

  .intro-sns .sns-link {
    width: 100%;
    padding: var(--space-sm) var(--space-xs);
  }

  .intro-sns .sns-icon {
    width: clamp(40px, calc((100cqi - 1.25rem) / 4), 56px);
    height: clamp(40px, calc((100cqi - 1.25rem) / 4), 56px);
  }

  .intro-sns .sns-label {
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .intro-dialogue {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .intro-speech {
    width: 100%;
    padding: var(--space-md);
    border-radius: 1.5rem;
  }

  .intro-speech .intro-text {
    font-size: 0.875rem;
  }

  .intro-speech::before,
  .intro-speech::after {
    top: auto;
    right: auto;
    bottom: -13px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 13px 11px 0 11px;
  }

  .intro-speech::before {
    bottom: -14px;
    border-color: var(--color-cream-dark) transparent transparent transparent;
  }

  .intro-speech::after {
    bottom: -12px;
    border-color: var(--color-white) transparent transparent transparent;
  }

  .intro-profile {
    margin-right: 0;
    padding-top: var(--space-xs);
  }

  .intro-card {
    padding: var(--space-md);
  }

  .page-top-button {
    right: var(--space-sm);
    bottom: var(--space-sm);
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
  }

  .blog-layout {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .blog-sidebar {
    order: 2;
    margin-top: 0;
    margin-inline-start: 0;
    justify-self: stretch;
  }
}