/* ========================================
   LOCASiA - Corporate Theme Stylesheet
   白ベース × シックなコーポレートデザイン
   ======================================== */

/* --- CSS Custom Properties --- */
:root {
    /* カラー */
    --color-bg: #ffffff;
    --color-bg-secondary: #f7f6f4;
    --color-bg-card: #f2f0ed;
    --color-surface: #fafaf8;
    --color-border: #e4e0db;
    --color-border-light: #ece9e4;

    --color-text: #2c2c2c;
    --color-text-secondary: #5a5a5a;
    --color-text-light: #999999;
    --color-text-muted: #b0b0b0;

    --color-accent: #8c7851;
    --color-accent-light: #a99470;
    --color-accent-dark: #6f5f3f;

    --color-white: #ffffff;
    --color-black: #1a1a1a;

    /* フォント */
    --font-heading: 'Lato', 'Helvetica Neue', sans-serif;
    --font-body: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
    --font-accent: 'Lato', 'Helvetica Neue', sans-serif;

    /* スペーシング */
    --section-padding: 120px;
    --section-padding-mobile: 80px;
    --container-width: 1200px;
    --container-narrow: 800px;

    /* トランジション */
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* ヘッダー高さ */
    --header-height: 80px;
}

/* --- リセット & ベース --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.8;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-base);
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    outline: none;
    border: none;
}

*:focus {
    outline: none;
}

*:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

ul, ol {
    list-style: none;
}

/* --- ユーティリティ --- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

.container--narrow {
    max-width: var(--container-narrow);
}

/* --- ヘッダー --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 var(--color-border);
}

.header-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    display: flex;
    align-items: center;
}

.site-logo img {
    max-width: 150px;
    height: auto;
    width: auto;
}

.logo-text {
    font-family: var(--font-accent);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-black);
}

/* ナビゲーション */
.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 40px;
}

.nav-list li a {
    font-family: var(--font-accent);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-text-secondary);
    position: relative;
    padding: 4px 0;
}

.nav-list li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width var(--transition-base);
}

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

.nav-list li a:hover::after {
    width: 100%;
}

/* ハンバーガーメニュー */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 1px;
    background-color: var(--color-black);
    transition: var(--transition-base);
    transform-origin: center;
}

.hamburger.active span {
    background-color: var(--color-white);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* モバイルメニュー */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background-color: rgba(26, 26, 26, 0.97);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    z-index: 1050;
    transition: right var(--transition-slow);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.mobile-menu-close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: none;
    border: none;
    color: var(--color-white);
    cursor: pointer;
    padding: 4px;
    transition: opacity var(--transition-base);
}

.mobile-menu-close:hover {
    opacity: 0.6;
}

.mobile-menu-inner {
    text-align: center;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-bottom: 48px;
}

.mobile-nav-list li a {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--color-white);
    transition: color var(--transition-base);
}

.mobile-nav-list li a:hover {
    color: var(--color-accent-light);
}

.mobile-menu-social {
    display: flex;
    gap: 24px;
    justify-content: center;
}

.mobile-menu-social a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-base);
}

.mobile-menu-social a:hover {
    color: var(--color-accent-light);
}

/* --- ヒーロースライダー --- */
.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    background-color: var(--color-bg-secondary);
}

/* 各スライド */
.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1), visibility 1.2s;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

/* 背景画像 */
.hero-slide-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.05);
    transition: transform 8s ease-out;
}

.hero-slide.active .hero-slide-image {
    transform: scale(1);
}

.hero-slide-image--default {
    background: linear-gradient(160deg, #f7f6f4 0%, #ebe8e3 40%, #e0dbd4 100%);
}

/* スマホ専用改行 */
.sp-br {
    display: none;
}

@media (max-width: 768px) {
    .sp-br {
        display: block;
    }
}

/* PC/SP メディア切り替え */
.hero-slide-media--sp {
    display: none;
}

@media (max-width: 768px) {
    .hero-slide-media--pc {
        display: none;
    }

    .hero-slide-media--sp {
        display: block;
    }

    /* SP用動画もblockに */
    video.hero-slide-media--sp {
        display: block;
    }
}

/* 背景動画 */
.hero-slide-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

/* オーバーレイ */
.hero-slide-overlay {
    position: absolute;
    inset: 0;
    background-color: #000000;
    z-index: 1;
}

/* スライドコンテンツ */
.hero-slide-content {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 40px;
}

/* コンテンツ内ボックス（装飾用ラッパー） */
.hero-slide-content-inner {
    width: 100%;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* コンテンツ画像 */
.hero-slide-content-image {
    display: block;
    height: auto;
    max-width: var(--img-width-pc, 200px);
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s 0.2s ease-out, transform 0.8s 0.2s ease-out;
}

.hero-slide.active .hero-slide-content-image {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .hero-slide-content-image {
        max-width: var(--img-width-sp, 140px) !important;
        margin-left: auto;
        margin-right: auto;
    }
}

/* --- PCレイアウト --- */
.hero-slide-content.layout-pc--left {
    align-items: flex-start;
    text-align: left;
    padding: 0 8%;
}

.hero-slide-content.layout-pc--right {
    align-items: flex-end;
    text-align: right;
    padding: 0 8%;
}

/* --- PC装飾: 背景色 --- */
.hero-slide-content.content-pc--color .hero-slide-content-inner {
    background-color: var(--slide-content-bg-pc, rgba(0,0,0,0.5));
    padding: 40px 48px;
}

/* --- PC装飾: すりガラス --- */
.hero-slide-content.content-pc--glass .hero-slide-content-inner {
    background-color: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 40px 48px;
}

/* --- SPレイアウト・装飾 --- */
@media (max-width: 768px) {
    /* SPではPC配置をリセット */
    .hero-slide-content.layout-pc--left,
    .hero-slide-content.layout-pc--right {
        align-items: center;
        text-align: center;
        padding: 0 24px;
    }

    .hero-slide-content.layout-sp--bottom {
        justify-content: flex-end;
        padding-bottom: 100px;
    }

    .hero-slide-content.layout-sp--top {
        justify-content: flex-start;
        padding-top: calc(var(--header-height) + 32px);
    }

    /* SPではPC装飾を解除 */
    .hero-slide-content.content-pc--color .hero-slide-content-inner {
        background-color: transparent;
        padding: 0;
    }

    .hero-slide-content.content-pc--glass .hero-slide-content-inner {
        background-color: transparent;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border: none;
        padding: 0;
    }

    /* SP装飾: 背景色 */
    .hero-slide-content.content-sp--color .hero-slide-content-inner {
        background-color: var(--slide-content-bg-sp, rgba(0,0,0,0.5));
        padding: 28px 24px;
    }

    /* SP装飾: すりガラス */
    .hero-slide-content.content-sp--glass .hero-slide-content-inner {
        background-color: rgba(255, 255, 255, 0.12);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: 1px solid rgba(255, 255, 255, 0.18);
        padding: 28px 24px;
    }
}

.hero-slide-catch {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 400;
    letter-spacing: 0.05em;
    line-height: 1.2;
    color: inherit;
    margin-bottom: 16px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s 0.4s ease-out, transform 0.8s 0.4s ease-out;
}

/* キャッチコピーサイズ: 大 */
.hero-slide-catch--large {
    font-size: clamp(3rem, 8vw, 6rem);
}

/* キャッチコピーサイズ: 中（デフォルト） */
.hero-slide-catch--medium {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
}

/* キャッチコピーサイズ: 小 */
.hero-slide-catch--small {
    font-size: clamp(1.5rem, 3.5vw, 2.5rem);
}

.hero-slide.active .hero-slide-catch {
    opacity: 1;
    transform: translateY(0);
}

.hero-slide-sub {
    font-family: var(--font-body);
    font-size: clamp(0.85rem, 1.5vw, 1.1rem);
    font-weight: 700;
    letter-spacing: 0.2em;
    color: inherit;
    margin-bottom: 32px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s 0.6s ease-out, transform 0.8s 0.6s ease-out;
}

.hero-slide.active .hero-slide-sub {
    opacity: 1;
    transform: translateY(0);
}

.hero-slide-btn {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    padding: 14px 44px;
    border: 1px solid;
    opacity: 0;
    transform: translateY(20px);
    transition: background-color 0.3s, color 0.3s, border-color 0.3s, opacity 0.8s 0.8s ease-out, transform 0.8s 0.8s ease-out;
}

.hero-slide.active .hero-slide-btn {
    opacity: 1;
    transform: translateY(0);
}

.btn-external-icon {
    margin-left: 8px;
    vertical-align: -2px;
}

/* SVG矢印アイコン */
.icon-arrow-right,
.icon-arrow-left {
    vertical-align: -2px;
    transition: transform var(--transition-base);
}

.company-map-link:hover .icon-arrow-right {
    transform: translateX(3px);
}

.company-map-link:hover .icon-arrow-left {
    transform: translateX(-3px);
}

.post-nav-label .icon-arrow-right,
.post-nav-label .icon-arrow-left {
    vertical-align: -1px;
}

/* スライダーナビゲーション（ドット） */
.hero-slider-nav {
    position: absolute;
    bottom: 48px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 16px;
    align-items: center;
}

.hero-slider-dot {
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: inherit;
}

.dot-progress {
    position: absolute;
    inset: 0;
    width: 36px;
    height: 36px;
    transform: rotate(-90deg);
}

.dot-bg {
    fill: none;
    stroke: currentColor;
    stroke-width: 1.5;
    opacity: 0.25;
}

.dot-fill {
    fill: none;
    stroke: currentColor;
    stroke-width: 1.5;
    opacity: 0.9;
    stroke-dasharray: 100.53;
    stroke-dashoffset: 100.53;
    transition: stroke-dashoffset 0.3s ease;
}

.hero-slider-dot.active .dot-fill {
    transition: none;
}

.hero-slider-dot.active.animating .dot-fill {
    transition: stroke-dashoffset linear;
    stroke-dashoffset: 0;
}

.dot-number {
    font-family: var(--font-accent);
    font-size: 0.6rem;
    font-weight: 500;
    color: currentColor;
    opacity: 0.5;
    letter-spacing: 0.05em;
    position: relative;
    z-index: 1;
    transition: opacity var(--transition-base);
}

.hero-slider-dot.active .dot-number {
    opacity: 1;
}

/* スクロールインジケーター */
.hero-scroll {
    position: absolute;
    bottom: 48px;
    right: 40px;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.hero-scroll span {
    font-family: var(--font-accent);
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    color: currentColor;
    opacity: 0.6;
    writing-mode: vertical-rl;
}

.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, currentColor, transparent);
    opacity: 0.6;
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
    50.1% { transform-origin: bottom; }
    100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* --- セクション共通 --- */
.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-label {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    margin-bottom: 16px;
    position: relative;
}

.section-label::before,
.section-label::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background-color: var(--color-accent);
    opacity: 0.35;
}

.section-label::before {
    right: calc(100% + 16px);
}

.section-label::after {
    left: calc(100% + 16px);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(16px, 5vw, 30px);
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--color-black);
}

/* --- コンセプトセクション --- */
.section--concept {
    background-color: var(--color-bg);
}

.concept-body {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.concept-text {
    font-size: min(3.5vw, 16px);
    line-height: 2.2;
    color: var(--color-text-secondary);
    letter-spacing: 0.05em;
}

/* --- 代表セクション --- */
.section--representative {
    background-color: var(--color-bg-secondary);
}

.rep-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.rep-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    aspect-ratio: 3/4;
}

.rep-image-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    background: linear-gradient(135deg, var(--color-bg-card), var(--color-border-light));
    border: 1px solid var(--color-border);
}

.rep-name {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 400;
    color: var(--color-black);
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.rep-name-ja {
    font-size: 0.85rem;
    color: var(--color-text-light);
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.rep-title {
    font-family: var(--font-accent);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    margin-bottom: 32px;
}

.rep-bio {
    font-size: 0.95rem;
    line-height: 2;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.rep-social {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
}

.rep-social a {
    color: var(--color-text-light);
    transition: color var(--transition-base), transform var(--transition-base);
}

.rep-social a:hover {
    color: var(--color-accent);
    transform: translateY(-2px);
}

/* --- ニュースセクション（トップ） --- */
.section--news {
    background-color: var(--color-bg);
}

.news-list {
    max-width: 800px;
    margin: 0 auto;
}

.news-item {
    display: grid;
    grid-template-columns: auto auto 1fr;
    gap: 20px;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
    transition: opacity var(--transition-base);
}

.news-item:first-child {
    border-top: 1px solid var(--color-border);
}

.news-item:hover {
    opacity: 0.6;
}

.news-date {
    font-family: var(--font-accent);
    font-size: 0.8rem;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.news-category {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    padding: 2px 12px;
    border-radius: 2px;
    white-space: nowrap;
}

.news-title {
    font-size: 0.95rem;
    color: var(--color-text);
    font-weight: 400;
}

.section-more {
    display: flex;
    justify-content: center;
    margin-top: 48px;
}

.btn-more {
    font-family: var(--font-accent);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color var(--transition-base);
}

.btn-more:hover {
    color: var(--color-accent);
}

.btn-arrow {
    transition: transform var(--transition-base);
}

.btn-more:hover .btn-arrow {
    transform: translateX(4px);
}

/* --- CTAセクション --- */
.section--cta {
    padding: var(--section-padding) 0;
    background-color: var(--color-black);
    color: var(--color-white);
}

.cta-content {
    text-align: center;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: 16px;
}

.cta-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 40px;
}

.section--cta .btn-primary {
    color: var(--color-black);
    background-color: var(--color-white);
    border-color: var(--color-white);
}

.section--cta .btn-primary:hover {
    background-color: transparent;
    color: var(--color-white);
}

/* --- ボタン --- */
.btn-primary {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-white);
    background-color: var(--color-black);
    padding: 16px 48px;
    border: 1px solid var(--color-black);
    border-radius: 0;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-black);
}

/* --- ページヒーロー --- */
.page-hero {
    padding: calc(var(--header-height) + 60px) 0 60px;
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    text-align: center;
}

.page-hero-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

.page-hero-label {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.page-hero-title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--color-black);
}

.page-hero-title--single {
    font-family: var(--font-body);
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    font-weight: 500;
    letter-spacing: 0;
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto;
}

.single-meta {
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.single-meta time {
    font-family: var(--font-accent);
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* --- ニュース一覧ページ --- */
.news-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 48px;
}

.filter-btn {
    font-family: var(--font-accent);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    background: none;
    border: 1px solid var(--color-border);
    padding: 8px 20px;
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.news-archive-item {
    display: block;
    padding: 24px 8px;
    border-bottom: 1px solid var(--color-border);
    transition: opacity var(--transition-base);
}

.news-archive-item:first-child {
    border-top: 1px solid var(--color-border);
}

.news-archive-item:hover {
    opacity: 0.6;
}

.news-archive-item.hidden {
    display: none;
}

.news-archive-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 8px;
}

.news-archive-title {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text);
    line-height: 1.6;
}

/* ページネーション */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
}

.pagination a,
.pagination span {
    font-family: var(--font-accent);
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

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

.pagination .current {
    background-color: var(--color-black);
    border-color: var(--color-black);
    color: var(--color-white);
}

/* --- 投稿詳細 --- */
.single-thumbnail {
    margin-bottom: 40px;
}

.single-thumbnail img {
    width: 100%;
    height: auto;
}

.single-body {
    font-size: 1rem;
    line-height: 2;
    color: var(--color-text-secondary);
    margin-bottom: 60px;
}

.single-body h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-black);
    margin: 48px 0 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}

.single-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-black);
    margin: 32px 0 12px;
}

.single-body p {
    margin-bottom: 24px;
}

.single-body a {
    color: var(--color-accent);
    text-decoration: underline;
}

.single-body img {
    margin: 24px 0;
    border-radius: 2px;
}

.single-body ul,
.single-body ol {
    margin: 16px 0;
    padding-left: 24px;
}

.single-body li {
    list-style: disc;
    margin-bottom: 8px;
}

.single-body ol li {
    list-style: decimal;
}

.single-body blockquote {
    border-left: 3px solid var(--color-accent);
    padding: 16px 24px;
    margin: 24px 0;
    background-color: var(--color-bg-secondary);
    color: var(--color-text-secondary);
}

/* 前後記事ナビ */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--color-border);
}

.post-nav-link {
    padding: 20px;
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-base);
}

.post-nav-link:hover {
    border-color: var(--color-accent);
}

.post-nav-next {
    text-align: right;
}

.post-nav-label {
    display: block;
    font-family: var(--font-accent);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.post-nav-title {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.back-to-list {
    text-align: center;
}

/* --- ABOUTページ --- */
.section--about-concept {
    background-color: var(--color-bg);
}

.section--about-rep {
    background-color: var(--color-bg-secondary);
}

.rep-layout--about .rep-image img {
    aspect-ratio: 3/4;
}

/* 会社概要テーブル */
.section--company-info {
    background-color: var(--color-bg);
}

.company-table-wrap {
    max-width: 800px;
    margin: 0 auto;
}

.company-table {
    width: 100%;
    border-collapse: collapse;
}

.company-table tr {
    border-bottom: 1px solid var(--color-border);
}

.company-table th,
.company-table td {
    padding: 20px 0;
    text-align: left;
    vertical-align: top;
}

.company-table th {
    font-family: var(--font-accent);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    width: 140px;
    padding-left: 10px;
    padding-right: 40px;
}

.company-table td {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    padding-right: 10px;
}

.company-map-link {
    display: flex;
    width: fit-content;
    align-items: center;
    gap: 6px;
    font-family: var(--font-accent);
    font-size: 0.75rem;
    color: var(--color-accent);
    letter-spacing: 0.05em;
    margin-top: 10px;
    padding: 8px 16px;
    border: 1px solid var(--color-accent);
    transition: background-color var(--transition-base), color var(--transition-base);
}

.company-map-link:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.company-note {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-top: 4px;
}

/* --- お問い合わせページ --- */
.section--contact {
    background-color: var(--color-bg);
}

.contact-lead {
    text-align: center;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 2;
    margin-bottom: 48px;
}

.contact-form {
    max-width: 640px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 28px;
}

.form-label {
    display: block;
    font-family: var(--font-accent);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-text);
    margin-bottom: 8px;
}

.required {
    color: #c0392b;
    margin-left: 4px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-text);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    padding: 14px 16px;
    outline: none;
    transition: border-color var(--transition-base);
    border-radius: 0;
    -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

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

.form-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23999' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-textarea {
    resize: vertical;
    min-height: 160px;
}

/* チェックボックス */
.form-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.form-checkbox input {
    display: none;
}

.checkbox-mark {
    width: 20px;
    height: 20px;
    border: 1px solid var(--color-border);
    background-color: var(--color-white);
    flex-shrink: 0;
    position: relative;
    transition: all var(--transition-base);
}

.form-checkbox input:checked + .checkbox-mark {
    background-color: var(--color-black);
    border-color: var(--color-black);
}

.form-checkbox input:checked + .checkbox-mark::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 6px;
    width: 5px;
    height: 10px;
    border: solid var(--color-white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-text a {
    color: var(--color-accent);
    text-decoration: underline;
}

.form-group--turnstile {
    display: flex;
    justify-content: center;
    margin: 32px 0;
}

.form-submit {
    text-align: center;
    margin-top: 40px;
}

.btn-submit {
    min-width: 240px;
}

.btn-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* フォームメッセージ */
.form-message {
    text-align: center;
    padding: 16px;
    margin-top: 24px;
    font-size: 0.9rem;
}

.form-message.success {
    color: #2e7d32;
    border: 1px solid #2e7d32;
    background-color: #f1f8f1;
}

.form-message.error {
    color: #c0392b;
    border: 1px solid #c0392b;
    background-color: #fdf2f2;
}

/* --- ステップインジケーター --- */
.contact-steps {
    background-color: var(--color-bg);
    padding: 40px 0 0;
}

.steps-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    counter-reset: step;
    max-width: 480px;
    margin: 0 auto;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: center;
    position: relative;
}

/* ステップ間の線 */
.step-item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 50%;
    left: calc(50% + 40px);
    width: calc(100% - 80px);
    height: 1px;
    background-color: var(--color-border);
    transform: translateY(-50%);
}

.step-item.done:not(:last-child)::after {
    background-color: var(--color-accent);
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    font-family: var(--font-accent);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-light);
    background-color: var(--color-bg);
    position: relative;
    z-index: 1;
    transition: all var(--transition-base);
}

.step-text {
    font-size: 0.8rem;
    color: var(--color-text-light);
    transition: color var(--transition-base);
}

.step-item.active .step-num {
    background-color: var(--color-black);
    border-color: var(--color-black);
    color: var(--color-white);
}

.step-item.active .step-text {
    color: var(--color-text);
    font-weight: 500;
}

.step-item.done .step-num {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

.step-item.done .step-text {
    color: var(--color-accent);
}

/* --- 確認画面 --- */
.confirm-table-wrap {
    max-width: 640px;
    margin: 0 auto 40px;
}

.confirm-table {
    width: 100%;
    border-collapse: collapse;
}

.confirm-table tr {
    border-bottom: 1px solid var(--color-border);
}

.confirm-table th,
.confirm-table td {
    padding: 20px 0;
    text-align: left;
    vertical-align: top;
}

.confirm-table th {
    font-family: var(--font-accent);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    width: 160px;
    padding-right: 32px;
}

.confirm-table td {
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.8;
    white-space: pre-wrap;
    word-break: break-word;
}

.form-submit--confirm {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.btn-back {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-text-secondary);
    background: none;
    border: 1px solid var(--color-border);
    padding: 16px 40px;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-back:hover {
    border-color: var(--color-text-secondary);
    color: var(--color-text);
}

.btn-back:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* --- 完了画面 --- */
.complete-content {
    text-align: center;
    padding: 20px 0;
}

.complete-icon {
    color: var(--color-accent);
    margin-bottom: 32px;
}

.complete-icon svg {
    display: inline-block;
}

.complete-title {
    font-family: var(--font-body);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 20px;
}

.complete-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 2;
    margin-bottom: 40px;
}

/* --- フッター --- */
.site-footer {
    background-color: var(--color-black);
    color: rgba(255, 255, 255, 0.7);
}

.footer-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 60px 40px 32px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 48px;
    flex-wrap: wrap;
    gap: 32px;
}

.footer-logo {
    font-family: var(--font-accent);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-white);
}

.footer-logo img {
    max-width: 120px;
    height: auto;
}

.footer-tagline {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 8px;
    letter-spacing: 0.05em;
}

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

.footer-nav a {
    font-family: var(--font-accent);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-base);
}

.footer-nav a:hover {
    color: var(--color-white);
}

.footer-social {
    display: flex;
    gap: 20px;
}

.footer-social a {
    color: rgba(255, 255, 255, 0.4);
    transition: color var(--transition-base);
}

.footer-social a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

/* フッター法務メニュー（プライバシーポリシー・特商法等） */
.footer-legal {
    margin-bottom: 16px;
}

.footer-legal-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 24px;
    justify-content: center;
}

.footer-legal-list li a {
    font-family: var(--font-body);
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.3);
    transition: color var(--transition-base);
}

.footer-legal-list li a:hover {
    color: rgba(255, 255, 255, 0.6);
}

.copyright {
    font-family: var(--font-accent);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.35);
}

/* --- 汎用ページコンテンツ --- */
.page-content {
    font-size: 1rem;
    line-height: 2;
    color: var(--color-text-secondary);
}

.page-content h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-black);
    margin: 48px 0 16px;
}

.page-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-black);
    margin: 32px 0 12px;
}

.page-content p {
    margin-bottom: 24px;
}

.no-posts {
    text-align: center;
    color: var(--color-text-light);
    padding: 60px 0;
}

/* --- アニメーション --- */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animate="fade-right"] {
    transform: translateX(-30px);
}

[data-animate="fade-left"] {
    transform: translateX(30px);
}

[data-animate].animated {
    opacity: 1;
    transform: translate(0, 0);
}

/* --- レスポンシブ --- */
@media (max-width: 1024px) {
    :root {
        --section-padding: 100px;
    }

    .rep-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .rep-image {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: var(--section-padding-mobile);
        --header-height: 64px;
    }

    .container {
        padding: 0 24px;
    }

    .header-inner {
        padding: 0 24px;
    }

    .main-nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    /* スライダー */
    .hero-slide-content {
        padding: 0 24px;
    }

    .hero-slider-nav {
        bottom: 32px;
    }

    .hero-scroll {
        display: none;
    }

    /* ニュースアイテム */
    .news-item {
        grid-template-columns: auto 1fr;
        gap: 12px;
    }

    .news-item .news-category {
        grid-row: 1;
        grid-column: 2;
        justify-self: start;
    }

    .news-item .news-title {
        grid-column: 1 / -1;
    }

    /* テーブル */
    .company-table th,
    .company-table td {
        display: block;
        width: 100%;
        padding: 0;
    }

    .company-table th {
        padding-top: 16px;
        padding-bottom: 4px;
        padding-left: 10px;
        padding-right: 10px;
    }

    .company-table td {
        padding-bottom: 16px;
        padding-left: 10px;
        padding-right: 10px;
    }

    /* 前後ナビ */
    .post-navigation {
        grid-template-columns: 1fr;
    }

    /* フッター */
    .footer-top {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }

    .page-hero-inner {
        padding: 0 24px;
    }

    .hero-content {
        padding: 0 24px;
    }

    .section-label::before,
    .section-label::after {
        width: 20px;
    }

    .section-header {
        margin-bottom: 40px;
    }

    /* フィルターボタン */
    .news-filter {
        gap: 8px;
    }

    .filter-btn {
        font-size: 0.7rem;
        padding: 6px 14px;
    }

    /* 確認テーブル */
    .confirm-table th,
    .confirm-table td {
        display: block;
        width: 100%;
        padding: 0;
    }

    .confirm-table th {
        padding-top: 16px;
        padding-bottom: 4px;
    }

    .confirm-table td {
        padding-bottom: 16px;
    }

    /* 確認画面ボタン */
    .form-submit--confirm {
        flex-direction: column;
        gap: 12px;
    }

    .form-submit--confirm .btn-back,
    .form-submit--confirm .btn-primary {
        width: 100%;
        text-align: center;
    }

    /* ステップ間の線を非表示 */
    .step-item:not(:last-child)::after {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-catch {
        font-size: 2rem;
    }

    .nav-list {
        gap: 24px;
    }

    .footer-nav ul {
        gap: 16px;
    }
}