@charset "UTF-8";

/* ========================================
   CSS Variables - オレンジ基調の配色
======================================== */
:root {
    /* Primary Colors - オレンジ系 */
    --color-bg: #ffffff;
    --color-bg-section: #f5f5f5;
    --color-bg-card: #fafafa;
    --color-primary: #ff6b35;
    --color-primary-light: #ff8c42;
    --color-primary-dark: #e85d2c;
    --color-secondary: #ffa559;
    --color-accent: #ffcc00;
    --color-text: #1a1a1a;
    --color-text-secondary: #666666;
    --color-border: rgba(0, 0, 0, 0.1);
    --color-border-strong: rgba(255, 107, 53, 0.4);
    
    /* Typography - モバイルファースト */
    --font-display: 'Bebas Neue', 'Source Sans 3', sans-serif;
    --font-heading: 'Source Sans 3', 'Noto Sans JP', sans-serif;
    --font-body: 'Noto Sans JP', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
    
    /* Spacing - モバイルファースト */
    --section-padding: 4rem;
    --container-padding: 1.5rem;
    
    /* Animation */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* タブレット以上 */
@media (min-width: 768px) {
    :root {
        --section-padding: clamp(5rem, 8vw, 7rem);
        --container-padding: clamp(3rem, 5vw, 5rem);
    }
}

/* PC */
@media (min-width: 1024px) {
    :root {
        --section-padding: clamp(6rem, 10vw, 8rem);
        --container-padding: clamp(4rem, 5vw, 6rem);
    }
}

/* ========================================
   Reset & Base
======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--color-bg);
}

body {
    font-family: var(--font-body);
    font-size: 1.6rem;
    line-height: 1.8;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    
    /* モバイル向けタップハイライト調整 */
    -webkit-tap-highlight-color: rgba(255, 107, 53, 0.2);
}

body.is-fixed {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    user-select: none;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s var(--ease-out);
    -webkit-tap-highlight-color: rgba(255, 107, 53, 0.2);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    -webkit-tap-highlight-color: rgba(255, 107, 53, 0.2);
}

/* ========================================
   Fonts
======================================== */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Noto+Sans+JP:wght@300;400;500;700;900&family=Source+Sans+3:ital,wght@0,400;0,600;0,700;0,900;1,400&family=Roboto+Mono:wght@400;500&display=swap');

/* ========================================
   Utility Classes
======================================== */
.u-sp {
    display: block !important;
}

.u-pc {
    display: none !important;
}

@media (min-width: 769px) {
    .u-sp {
        display: none !important;
    }
    .u-pc {
        display: block !important;
    }
}

/* ========================================
   キラン エフェクト用キーフレーム
======================================== */
@keyframes shine {
    0% {
        left: -100%;
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    80% {
        opacity: 1;
    }
    100% {
        left: 100%;
        opacity: 0;
    }
}

@keyframes sparkle {
    0%, 100% {
        opacity: 0;
        transform: scale(0) rotate(0deg);
    }
    50% {
        opacity: 1;
        transform: scale(1) rotate(180deg);
    }
}

.section-shine {
    position: relative;
}

.section-shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 107, 53, 0) 40%,
        rgba(255, 107, 53, 0.6) 50%,
        rgba(255, 204, 0, 0.8) 52%,
        rgba(255, 107, 53, 0.6) 54%,
        rgba(255, 107, 53, 0) 60%,
        transparent 100%
    );
    z-index: 1;
    pointer-events: none;
    opacity: 0;
}

.section-shine.is-visible::before {
    animation: shine 1.2s var(--ease-out) forwards;
}

.sparkle-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.sparkle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-accent);
    opacity: 0;
}

.section-shine.is-visible .sparkle:nth-child(1) {
    top: 20%;
    left: 30%;
    animation: sparkle 0.8s ease-out 0.2s;
}

.section-shine.is-visible .sparkle:nth-child(2) {
    top: 50%;
    left: 60%;
    animation: sparkle 0.8s ease-out 0.4s;
}

.section-shine.is-visible .sparkle:nth-child(3) {
    top: 70%;
    left: 40%;
    animation: sparkle 0.8s ease-out 0.6s;
}

.section-shine.is-visible .sparkle:nth-child(4) {
    top: 30%;
    left: 80%;
    animation: sparkle 0.8s ease-out 0.3s;
}

.section-shine.is-visible .sparkle:nth-child(5) {
    top: 80%;
    left: 70%;
    animation: sparkle 0.8s ease-out 0.5s;
}

/* ========================================
   Loading Screen
======================================== */
.c-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    z-index: 9999;
    background-color: var(--color-bg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

@media (min-width: 768px) {
    .c-loading {
        gap: 3rem;
    }
}

.c-loading_logo {
    width: min(40rem, 70vw);
    opacity: 0;
    filter: blur(30px);
    transform: scale(0.9);
    transition: all 1.5s var(--ease-out);
}

@media (min-width: 768px) {
    .c-loading_logo {
        width: min(50rem, 70vw);
    }
}

.c-loading_logo.is-visible {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
}

.c-loading_logo img {
    width: 100%;
    height: auto;
}

.c-loading_text {
    opacity: 0;
    transition: opacity 0.5s var(--ease-out);
}

.c-loading_text.is-visible {
    opacity: 1;
}

.c-loading_text p {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--color-primary);
    letter-spacing: 0.3em;
    animation: loadingFlash 0.8s ease-in-out infinite;
}

@media (min-width: 768px) {
    .c-loading_text p {
        font-size: 1.4rem;
    }
}

@keyframes loadingFlash {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ========================================
   Header PC
======================================== */
.c-headerPc {
    display: none;
}

@media (min-width: 769px) {
    .c-headerPc {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
        padding: 0 3rem;
        height: 8rem;
        justify-content: space-between;
        align-items: center;
        background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0) 100%);
        backdrop-filter: blur(10px);
        transition: background 0.3s var(--ease-out);
    }
}

@media (min-width: 1024px) {
    .c-headerPc {
        padding: 0 4rem;
    }
}

.c-headerPc.is-scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.07);
}

.c-headerPc_logo {
    height: 3.5rem;
}

@media (min-width: 1024px) {
    .c-headerPc_logo {
        height: 4rem;
    }
}

.c-headerPc_logo img {
    height: 100%;
    width: auto;
}

.c-headerPc_nav {
    display: flex;
    gap: 0;
}

.c-headerPc_nav_item {
    position: relative;
}

.c-headerPc_nav_item a {
    display: block;
    padding: 0.8rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
    position: relative;
    overflow: hidden;
}

@media (min-width: 1024px) {
    .c-headerPc_nav_item a {
        padding: 0.8rem 2rem;
        font-size: 1.4rem;
    }
}

.c-headerPc_nav_item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: all 0.3s var(--ease-out);
    transform: translateX(-50%);
}

.c-headerPc_nav_item a:hover,
.c-headerPc_nav_item a.is-active {
    color: var(--color-primary);
}

.c-headerPc_nav_item a:hover::after,
.c-headerPc_nav_item a.is-active::after {
    width: 100%;
}

.c-headerPc_cta {
    margin-left: 2rem;
}

@media (min-width: 1024px) {
    .c-headerPc_cta {
        margin-left: 3rem;
    }
}

.c-headerPc_cta a {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.3rem;
    border-radius: 0.4rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s var(--ease-out);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

@media (min-width: 1024px) {
    .c-headerPc_cta a {
        gap: 1rem;
        padding: 1.2rem 2.4rem;
        font-size: 1.4rem;
    }
}

.c-headerPc_cta a::before {
    content: '';
    position: absolute;
    top: -10%;
    left: -100%;
    width: 4rem;
    height: 120%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
    transform: skewX(-20deg);
    animation: ctaShine 3s ease-in-out infinite;
}

@keyframes ctaShine {
    0% { left: -100%; }
    30%, 100% { left: 150%; }
}

/* ホバーエフェクト - PCのみ */
@media (hover: hover) {
    .c-headerPc_cta a:hover {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
    }
}

/* ========================================
   Header SP
======================================== */
.c-headerSp {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.5rem 2rem;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0) 100%);
}

@media (min-width: 769px) {
    .c-headerSp {
        display: none;
    }
}

.c-headerSp.is-scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.07);
}

.c-headerSp_logo {
    height: 3rem;
}

.c-headerSp_logo img {
    height: 100%;
    width: auto;
}

.c-headerSp_menu {
    width: 3rem;
    height: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.6rem;
}

.c-headerSp_menu span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    transition: all 0.3s var(--ease-out);
}

/* ========================================
   Mobile Menu
======================================== */
.c-menuSp {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    z-index: 1000;
    background: var(--color-bg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s var(--ease-out);
    display: flex;
    flex-direction: column;
}

.c-menuSp.is-open {
    opacity: 1;
    visibility: visible;
}

.c-menuSp_header {
    display: flex;
    justify-content: flex-end;
    padding: 1.5rem 2rem;
}

.c-menuSp_close {
    width: 3rem;
    height: 3rem;
    position: relative;
}

.c-menuSp_close span {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 2px;
    background: var(--color-text);
}

.c-menuSp_close span:nth-child(1) {
    transform: translate(-50%, -50%) rotate(45deg);
}

.c-menuSp_close span:nth-child(2) {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.c-menuSp_links {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 3rem;
    gap: 1rem;
}

.c-menuSp_links_item a {
    display: block;
    font-family: var(--font-display);
    font-size: 3.5rem;
    color: var(--color-text);
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
    transition: all 0.3s var(--ease-out);
}

@media (min-width: 480px) {
    .c-menuSp_links_item a {
        font-size: 4rem;
    }
}

.c-menuSp_links_item a:active {
    color: var(--color-primary);
    padding-left: 1rem;
}

/* ========================================
   KV (Key Visual) - モバイルファースト
======================================== */
.kv {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-bg);
}

.kv_bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background: #ffffff;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* モバイル用動画: デフォルトで画面全体にカバー */
.kv_bg_video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* PC用動画: 768px以上で contain に変更 */
@media (min-width: 768px) {
    .kv_bg_video {
        object-fit: contain;
    }
}

.kv_content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 2rem;
}

.kv_tagline {
    margin-top: 2rem;
    opacity: 0;
    transform: translateY(2rem);
    transition: all 1s var(--ease-out) 0.3s;
}

@media (min-width: 768px) {
    .kv_tagline {
        margin-top: 3rem;
    }
}

.kv_tagline.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.kv_tagline_main {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-primary);
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(255, 107, 53, 0.5);
    line-height: 1.3;
}

@media (min-width: 480px) {
    .kv_tagline_main {
        font-size: 2.8rem;
        letter-spacing: 0.2em;
    }
}

@media (min-width: 768px) {
    .kv_tagline_main {
        font-size: 3.2rem;
    }
}

@media (min-width: 1024px) {
    .kv_tagline_main {
        font-size: 3.6rem;
    }
}

.kv_tagline_sub {
    font-family: var(--font-body);
    font-size: 1.4rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.1em;
}

@media (min-width: 768px) {
    .kv_tagline_sub {
        font-size: 1.6rem;
    }
}

@media (min-width: 1024px) {
    .kv_tagline_sub {
        font-size: 1.8rem;
    }
}

.kv_tagline_area {
    font-family: var(--font-body);
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-top: 1.5rem;
    padding: 0.8rem 1.5rem;
    border: 1px solid var(--color-border);
    display: inline-block;
    border-radius: 2rem;
}

@media (min-width: 768px) {
    .kv_tagline_area {
        padding: 0.8rem 2rem;
    }
}

@media (min-width: 1024px) {
    .kv_tagline_area {
        font-size: 1.4rem;
    }
}

.kv_scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0;
    animation: fadeIn 1s var(--ease-out) 1.5s forwards;
}

@media (min-width: 768px) {
    .kv_scroll {
        bottom: 4rem;
    }
}

.kv_scroll_text {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.2em;
    writing-mode: vertical-rl;
}

@media (min-width: 768px) {
    .kv_scroll_text {
        font-size: 1.1rem;
    }
}

.kv_scroll_line {
    width: 1px;
    height: 4rem;
    background: linear-gradient(180deg, var(--color-primary), transparent);
    animation: scrollLine 1.5s ease-in-out infinite;
}

@media (min-width: 768px) {
    .kv_scroll_line {
        height: 6rem;
    }
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* ========================================
   Section Common - モバイルファースト
======================================== */
.section {
    position: relative;
    padding: var(--section-padding) 0;
}

.section_inner {
    max-width: 120rem;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section_header {
    margin-bottom: 3rem;
    position: relative;
}

@media (min-width: 768px) {
    .section_header {
        margin-bottom: 4rem;
    }
}

@media (min-width: 1024px) {
    .section_header {
        margin-bottom: 5rem;
    }
}

.section_title {
    position: relative;
    display: inline-block;
}

.section_title_en {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--color-text);
    line-height: 1;
    position: relative;
    opacity: 0;
    transform: translateY(3rem);
    transition: all 0.8s var(--ease-out);
}

@media (min-width: 480px) {
    .section_title_en {
        font-size: 6rem;
    }
}

@media (min-width: 768px) {
    .section_title_en {
        font-size: 8rem;
    }
}

@media (min-width: 1024px) {
    .section_title_en {
        font-size: 10rem;
    }
}

.section_title_en.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.section_title_square {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    z-index: 1;
}

.section_title_jp {
    display: block;
    font-family: var(--font-body);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-primary);
    letter-spacing: 0.1em;
    margin-top: 1rem;
    opacity: 0;
    transition: opacity 0.5s var(--ease-out) 0.5s;
}

@media (min-width: 768px) {
    .section_title_jp {
        font-size: 1.4rem;
    }
}

.section_title_jp.is-visible {
    opacity: 1;
}

/* ========================================
   Concept Section
======================================== */
.concept {
    background: var(--color-bg);
    position: relative;
    overflow: hidden;
}

.concept::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    height: 150%;
    transform: translate(-50%, -50%);
    background: radial-gradient(
        ellipse at center,
        rgba(255, 107, 53, 0.05) 0%,
        transparent 70%
    );
    pointer-events: none;
}

.concept_content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .concept_content {
        gap: 4rem;
    }
}

@media (min-width: 969px) {
    .concept_content {
        grid-template-columns: 1fr 1fr;
        gap: 6rem;
    }
}

.concept_text {
    opacity: 0;
    transform: translateY(3rem);
    transition: all 0.8s var(--ease-out);
}

.concept_text.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.concept_lead {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .concept_lead {
        font-size: 2.8rem;
        margin-bottom: 2.5rem;
    }
}

@media (min-width: 1024px) {
    .concept_lead {
        font-size: 3.2rem;
        margin-bottom: 3rem;
    }
}

.concept_lead strong {
    color: var(--color-primary);
    text-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
}

.concept_description {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    line-height: 2;
}

@media (min-width: 768px) {
    .concept_description {
        font-size: 1.6rem;
    }
}

.concept_description p + p {
    margin-top: 1.5rem;
}

@media (min-width: 768px) {
    .concept_description p + p {
        margin-top: 2rem;
    }
}

.concept_cta {
    margin-top: 2.5rem;
}

@media (min-width: 768px) {
    .concept_cta {
        margin-top: 3rem;
    }
}

.concept_cta_button {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 2.5rem;
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    border-radius: 0.4rem;
    transition: all 0.3s var(--ease-out);
    cursor: pointer;
}

@media (min-width: 768px) {
    .concept_cta_button {
        padding: 1.4rem 3rem;
        font-size: 1.5rem;
    }
}

/* ホバーエフェクト - PCのみ */
@media (hover: hover) {
    .concept_cta_button:hover {
        background: var(--color-primary);
        color: #ffffff;
        transform: translateY(-0.3rem);
        box-shadow: 0 1rem 2rem rgba(255, 107, 53, 0.3);
    }
    
    .concept_cta_button:hover .concept_cta_button_arrow {
        transform: translateX(0.5rem);
    }
}

/* タップ時のフィードバック - モバイル */
@media (hover: none) {
    .concept_cta_button:active {
        background: var(--color-primary);
        color: #ffffff;
        transform: scale(0.98);
    }
}

.concept_cta_button_arrow {
    font-size: 1.8rem;
    transition: transform 0.3s var(--ease-out);
}

.concept_visual {
    position: relative;
    opacity: 0;
    transform: translateY(2rem);
    transition: all 0.8s var(--ease-out) 0.2s;
}

@media (min-width: 969px) {
    .concept_visual {
        transform: translateX(3rem);
    }
}

.concept_visual.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (min-width: 969px) {
    .concept_visual.is-visible {
        transform: translateX(0);
    }
}

.concept_visual_inner {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 0.8rem;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.concept_visual_inner::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    width: 30%;
    height: 2px;
    background: var(--color-primary);
    box-shadow: 0 0 10px var(--color-primary);
}

.concept_visual_inner img {
    width: 60%;
    height: auto;
    object-fit: contain;
}

.concept_stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .concept_stats {
        gap: 2rem;
        margin-top: 3rem;
    }
}

.concept_stat {
    text-align: center;
    padding: 1.5rem 1rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 0.4rem;
}

@media (min-width: 768px) {
    .concept_stat {
        padding: 2rem;
    }
}

.concept_stat_number {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--color-primary);
    line-height: 1;
}

@media (min-width: 768px) {
    .concept_stat_number {
        font-size: 3.6rem;
    }
}

.concept_stat_label {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-top: 0.5rem;
}

@media (min-width: 768px) {
    .concept_stat_label {
        font-size: 1.2rem;
    }
}

/* ========================================
   Service Section
======================================== */
.service {
    background: var(--color-bg-section);
}

.service_intro {
    max-width: 70rem;
    margin: 0 auto 3rem;
    text-align: center;
    opacity: 0;
    transform: translateY(2rem);
    transition: all 0.8s var(--ease-out);
}

@media (min-width: 768px) {
    .service_intro {
        margin-bottom: 4rem;
    }
}

@media (min-width: 1024px) {
    .service_intro {
        margin-bottom: 5rem;
    }
}

.service_intro.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.service_intro_text {
    font-size: 1.6rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

@media (min-width: 768px) {
    .service_intro_text {
        font-size: 1.8rem;
    }
}

.service_grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 600px) {
    .service_grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 969px) {
    .service_grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
}

.service_card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 0.8rem;
    padding: 2.5rem 2rem;
    transition: all 0.4s var(--ease-out);
    opacity: 0;
    transform: translateY(3rem);
}

@media (min-width: 768px) {
    .service_card {
        padding: 3rem;
    }
}

.service_card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.service_card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(255, 107, 53, 0.1) 0%,
        transparent 50%
    );
    opacity: 0;
    transition: opacity 0.4s var(--ease-out);
    border-radius: inherit;
    pointer-events: none;
}

/* ホバーエフェクト - PCのみ */
@media (hover: hover) {
    .service_card:hover {
        transform: translateY(-0.5rem);
        border-color: var(--color-border-strong);
        box-shadow: 0 10px 30px rgba(255, 107, 53, 0.2);
    }
    
    .service_card:hover::before {
        opacity: 1;
    }
}

.service_card_icon {
    width: 4.5rem;
    height: 4.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 107, 53, 0.15);
    border-radius: 50%;
    margin-bottom: 1.5rem;
    font-size: 2.2rem;
}

@media (min-width: 768px) {
    .service_card_icon {
        width: 5rem;
        height: 5rem;
        margin-bottom: 2rem;
        font-size: 2.4rem;
    }
}

.service_card_title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
}

@media (min-width: 768px) {
    .service_card_title {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }
}

.service_card_description {
    font-size: 1.3rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

@media (min-width: 768px) {
    .service_card_description {
        font-size: 1.4rem;
    }
}

/* ========================================
   Business Section
======================================== */
.business {
    background: var(--color-bg);
    position: relative;
}

.business_intro {
    max-width: 70rem;
    margin: 0 auto 3rem;
    text-align: center;
    opacity: 0;
    transform: translateY(2rem);
    transition: all 0.8s var(--ease-out);
}

@media (min-width: 768px) {
    .business_intro {
        margin-bottom: 4rem;
    }
}

@media (min-width: 1024px) {
    .business_intro {
        margin-bottom: 5rem;
    }
}

.business_intro.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.business_intro_text {
    font-size: 1.6rem;
    color: var(--color-text-secondary);
}

@media (min-width: 768px) {
    .business_intro_text {
        font-size: 1.8rem;
    }
}

.business_grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .business_grid {
        gap: 2rem;
    }
}

@media (min-width: 969px) {
    .business_grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 3rem;
    }
}

.business_card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 0.8rem;
    padding: 3rem 2.5rem;
    transition: all 0.4s var(--ease-out);
    opacity: 0;
    transform: translateY(3rem);
    overflow: hidden;
}

@media (min-width: 768px) {
    .business_card {
        padding: 4rem 3rem;
    }
}

.business_card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.business_card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
    transition: height 0.4s var(--ease-out);
    box-shadow: 0 0 10px var(--color-primary);
}

/* ホバーエフェクト - PCのみ */
@media (hover: hover) {
    .business_card:hover {
        border-color: var(--color-border-strong);
    }
    
    .business_card:hover::before {
        height: 100%;
    }
}

.business_card_number {
    font-family: var(--font-display);
    font-size: 5rem;
    color: rgba(255, 107, 53, 0.15);
    line-height: 1;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .business_card_number {
        font-size: 6rem;
        margin-bottom: 2rem;
    }
}

.business_card_title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
}

@media (min-width: 768px) {
    .business_card_title {
        font-size: 2.4rem;
        margin-bottom: 1.5rem;
    }
}

.business_card_description {
    font-size: 1.4rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

@media (min-width: 768px) {
    .business_card_description {
        font-size: 1.5rem;
    }
}

/* ========================================
   Company Section
======================================== */
.company {
    background: var(--color-bg-section);
}

.company_content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 768px) {
    .company_content {
        gap: 4rem;
    }
}

@media (min-width: 969px) {
    .company_content {
        grid-template-columns: 1fr 1fr;
        gap: 6rem;
    }
}

.company_info {
    opacity: 0;
    transform: translateY(2rem);
    transition: all 0.8s var(--ease-out);
}

.company_info.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.company_info_list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.company_info_item {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--color-border);
}

@media (min-width: 600px) {
    .company_info_item {
        grid-template-columns: 12rem 1fr;
        gap: 2rem;
        padding: 2rem 0;
    }
}

.company_info_item dt {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

@media (min-width: 768px) {
    .company_info_item dt {
        font-size: 1.3rem;
    }
}

.company_info_item dd {
    font-size: 1.4rem;
    color: var(--color-text);
}

@media (min-width: 768px) {
    .company_info_item dd {
        font-size: 1.5rem;
    }
}

.company_map {
    opacity: 0;
    transform: translateY(2rem);
    transition: all 0.8s var(--ease-out) 0.2s;
}

.company_map.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.company_map_inner {
    aspect-ratio: 16/10;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 0.8rem;
    overflow: hidden;
    position: relative;
}

.company_map_inner iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(100%) invert(90%);
}

/* ========================================
   News Section
======================================== */
.news {
    background: var(--color-bg);
}

.news_list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.news_item {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.8rem;
    align-items: flex-start;
    padding: 2rem 0;
    border-bottom: 1px solid var(--color-border);
    opacity: 0;
    transform: translateX(-2rem);
    transition: all 0.6s var(--ease-out);
}

@media (min-width: 768px) {
    .news_item {
        grid-template-columns: auto auto 1fr;
        gap: 2rem;
        align-items: center;
        padding: 2.5rem 0;
    }
}

.news_item.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.news_item_link {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.8rem;
    align-items: flex-start;
    width: 100%;
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
}

@media (min-width: 768px) {
    .news_item_link {
        grid-template-columns: auto auto 1fr;
        gap: 2rem;
        align-items: center;
    }
}

/* ホバーエフェクト - PCのみ */
@media (hover: hover) and (min-width: 768px) {
    .news_item_link:hover {
        padding-left: 1rem;
    }
    
    .news_item:hover {
        background: linear-gradient(90deg, rgba(255, 107, 53, 0.08), transparent);
        padding-left: 2rem;
        margin-left: -2rem;
        margin-right: -2rem;
        padding-right: 2rem;
    }
    
    .news_item:hover .news_item_title,
    .news_item_link:hover .news_item_title {
        color: var(--color-primary);
    }
}

.news_item_date {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--color-text-secondary);
}

@media (min-width: 768px) {
    .news_item_date {
        font-size: 1.3rem;
    }
}

.news_item_category {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(255, 107, 53, 0.15);
    color: var(--color-primary);
    font-size: 1rem;
    font-weight: 500;
    border-radius: 0.3rem;
}

@media (min-width: 768px) {
    .news_item_category {
        padding: 0.4rem 1.2rem;
        font-size: 1.1rem;
    }
}

.news_item_title {
    font-size: 1.4rem;
    font-weight: 500;
    transition: color 0.3s var(--ease-out);
}

@media (min-width: 768px) {
    .news_item_title {
        font-size: 1.5rem;
    }
}

.news_empty {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
}

@media (min-width: 768px) {
    .news_empty {
        padding: 4rem 2rem;
        font-size: 1.6rem;
    }
}

.news_more {
    text-align: center;
    margin-top: 3rem;
    opacity: 0;
    transform: translateY(2rem);
    transition: all 0.8s var(--ease-out);
}

@media (min-width: 768px) {
    .news_more {
        margin-top: 4rem;
    }
}

.news_more.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.news_more_button {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 2.5rem;
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    border-radius: 0.4rem;
    transition: all 0.3s var(--ease-out);
}

@media (min-width: 768px) {
    .news_more_button {
        padding: 1.4rem 3rem;
        font-size: 1.5rem;
    }
}

/* ホバーエフェクト - PCのみ */
@media (hover: hover) {
    .news_more_button:hover {
        background: var(--color-primary);
        color: #ffffff;
        transform: translateY(-0.3rem);
        box-shadow: 0 1rem 2rem rgba(255, 107, 53, 0.3);
    }
    
    .news_more_button:hover .news_more_button_arrow {
        transform: translateX(0.5rem);
    }
}

.news_more_button_arrow {
    font-size: 1.8rem;
    transition: transform 0.3s var(--ease-out);
}

/* ========================================
   Contact Section
======================================== */
.contact {
    background: var(--color-bg-section);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(180deg, transparent, rgba(255, 107, 53, 0.03));
    pointer-events: none;
}

.contact_intro {
    max-width: 60rem;
    margin: 0 auto 3rem;
    text-align: center;
    opacity: 0;
    transform: translateY(2rem);
    transition: all 0.8s var(--ease-out);
}

@media (min-width: 768px) {
    .contact_intro {
        margin-bottom: 4rem;
    }
}

@media (min-width: 1024px) {
    .contact_intro {
        margin-bottom: 5rem;
    }
}

.contact_intro.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.contact_intro_text {
    font-size: 1.6rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

@media (min-width: 768px) {
    .contact_intro_text {
        font-size: 1.8rem;
    }
}

.contact_methods {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 80rem;
    margin: 0 auto;
}

@media (min-width: 769px) {
    .contact_methods {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
}

.contact_method {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 0.8rem;
    padding: 3rem 2.5rem;
    text-align: center;
    transition: all 0.4s var(--ease-out);
    opacity: 0;
    transform: translateY(2rem);
}

@media (min-width: 768px) {
    .contact_method {
        padding: 4rem 3rem;
    }
}

.contact_method.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ホバーエフェクト - PCのみ */
@media (hover: hover) {
    .contact_method:hover {
        border-color: var(--color-border-strong);
    }
}

.contact_method_icon {
    width: 5.5rem;
    height: 5.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 107, 53, 0.15);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    font-size: 2.2rem;
}

@media (min-width: 768px) {
    .contact_method_icon {
        width: 6rem;
        height: 6rem;
        margin-bottom: 2rem;
        font-size: 2.4rem;
    }
}

.contact_method_title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .contact_method_title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

.contact_method_link {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 2.6rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    transition: transform 0.3s var(--ease-out);
}

@media (min-width: 768px) {
    .contact_method_link {
        font-size: 3rem;
    }
}

/* ホバーエフェクト - PCのみ */
@media (hover: hover) {
    .contact_method_link:hover {
        transform: scale(1.05);
    }
}

.contact_method_hours {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
}

@media (min-width: 768px) {
    .contact_method_hours {
        font-size: 1.3rem;
    }
}

.contact_cta {
    text-align: center;
    margin-top: 4rem;
    opacity: 0;
    transform: translateY(2rem);
    transition: all 0.8s var(--ease-out) 0.3s;
}

@media (min-width: 768px) {
    .contact_cta {
        margin-top: 5rem;
    }
}

.contact_cta.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.contact_cta_button {
    display: inline-flex;
    align-items: center;
    gap: 1.2rem;
    padding: 1.8rem 3.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #ffffff;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 0.4rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s var(--ease-out);
    box-shadow: 0 6px 18px rgba(255, 107, 53, 0.3);
}

@media (min-width: 768px) {
    .contact_cta_button {
        gap: 1.5rem;
        padding: 2rem 4rem;
        font-size: 1.6rem;
        box-shadow: 0 8px 20px rgba(255, 107, 53, 0.3);
    }
}

.contact_cta_button::before {
    content: '';
    position: absolute;
    top: -10%;
    left: -100%;
    width: 5rem;
    height: 120%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
    transform: skewX(-20deg);
    animation: ctaShine 3s ease-in-out infinite;
}

/* ホバーエフェクト - PCのみ */
@media (hover: hover) {
    .contact_cta_button:hover {
        transform: scale(1.05);
        box-shadow: 0 12px 30px rgba(255, 107, 53, 0.4);
    }
    
    .contact_cta_button:hover .contact_cta_button_arrow {
        transform: translateX(0.5rem);
    }
}

.contact_cta_button_arrow {
    font-size: 2rem;
    transition: transform 0.3s var(--ease-out);
}

/* ========================================
   Footer
======================================== */
.l-footer {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: 4rem 0 3rem;
}

@media (min-width: 768px) {
    .l-footer {
        padding: 5rem 0 4rem;
    }
}

@media (min-width: 1024px) {
    .l-footer {
        padding: 6rem 0 4rem;
    }
}

.l-footer_inner {
    max-width: 120rem;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.l-footer_top {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-bottom: 4rem;
}

@media (min-width: 769px) {
    .l-footer_top {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
        gap: 0;
        margin-bottom: 5rem;
    }
}

.l-footer_logo {
    width: 12rem;
}

@media (min-width: 768px) {
    .l-footer_logo {
        width: 15rem;
    }
}

.l-footer_logo img {
    width: 100%;
    height: auto;
}

.l-footer_links {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

@media (min-width: 600px) {
    .l-footer_links {
        flex-direction: row;
        gap: 4rem;
    }
}

@media (min-width: 769px) {
    .l-footer_links {
        gap: 6rem;
    }
}

.l-footer_links_group h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.l-footer_links_group ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.l-footer_links_group a {
    font-size: 1.4rem;
    color: var(--color-text-secondary);
    transition: color 0.3s var(--ease-out);
}

@media (hover: hover) {
    .l-footer_links_group a:hover {
        color: var(--color-primary);
    }
}

.l-footer_bottom {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

@media (min-width: 769px) {
    .l-footer_bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding-top: 3rem;
        text-align: left;
    }
}

.l-footer_sublinks {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

@media (min-width: 600px) {
    .l-footer_sublinks {
        gap: 3rem;
    }
}

.l-footer_sublinks a {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    transition: color 0.3s var(--ease-out);
}

@media (hover: hover) {
    .l-footer_sublinks a:hover {
        color: var(--color-primary);
    }
}

.l-footer_copyright {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

/* ========================================
   Scroll Progress
======================================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    z-index: 1000;
    transition: width 0.1s linear;
    box-shadow: 0 0 10px var(--color-primary);
}

/* ========================================
   Back to Top
======================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 4.5rem;
    height: 4.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(2rem);
    transition: all 0.3s var(--ease-out);
    z-index: 50;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

@media (min-width: 768px) {
    .back-to-top {
        bottom: 3rem;
        right: 3rem;
        width: 5rem;
        height: 5rem;
        font-size: 2rem;
    }
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ホバーエフェクト - PCのみ */
@media (hover: hover) {
    .back-to-top:hover {
        transform: translateY(-0.5rem);
        box-shadow: 0 6px 25px rgba(255, 107, 53, 0.5);
    }
}
/* ========================================
   Philosophy Page - 経営理念ページ（モバイルファースト版）
   ※ 既存の style.css の最後に追記してください
======================================== */

/* 明朝体フォントの追加 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;600;700&display=swap');

/* パンくずリスト */
.breadcrumb {
    background: var(--color-bg-section);
    padding: 1.2rem var(--container-padding);
    border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
    .breadcrumb {
        padding: 2rem var(--container-padding);
    }
}

.breadcrumb ol {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    align-items: center;
    max-width: 120rem;
    margin: 0 auto;
    font-size: 1.2rem;
}

@media (min-width: 768px) {
    .breadcrumb ol {
        gap: 0.8rem;
        font-size: 1.4rem;
    }
}

.breadcrumb li {
    display: flex;
    align-items: center;
    color: var(--color-text-secondary);
}

.breadcrumb li:not(:last-child)::after {
    content: '›';
    margin-left: 0.6rem;
    color: var(--color-text-secondary);
    opacity: 0.5;
}

@media (min-width: 768px) {
    .breadcrumb li:not(:last-child)::after {
        margin-left: 0.8rem;
    }
}

.breadcrumb a {
    color: var(--color-text-secondary);
    transition: color 0.3s var(--ease-out);
}

@media (hover: hover) {
    .breadcrumb a:hover {
        color: var(--color-primary);
    }
}

/* Philosophy Main Container */
.philosophy-main {
    background: var(--color-bg);
    min-height: 100vh;
}

/* Philosophy Hero Section - モバイルファースト */
.philosophy-main .hero {
    background: linear-gradient(135deg, #e85d2c 0%, #ff6b35 100%);
    color: white;
    padding: 6rem var(--container-padding) 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .philosophy-main .hero {
        padding: 10rem var(--container-padding) 7rem;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .hero {
        padding: 12rem var(--container-padding) 8rem;
    }
}

.philosophy-main .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="none"/><path d="M0 50 L50 0 L100 50 L50 100 Z" fill="white" opacity="0.03"/></svg>') repeat;
    animation: patternMove 20s linear infinite;
}

@keyframes patternMove {
    0% { transform: translateX(0) translateY(0); }
    100% { transform: translateX(100px) translateY(100px); }
}

.philosophy-main .hero-content {
    position: relative;
    z-index: 1;
}

/* モバイルファーストのタイトル - 2列以内 */
.philosophy-main .hero-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: 0.08em;
    line-height: 1.4;
    animation: fadeInUp 0.8s var(--ease-out);
}

@media (min-width: 480px) {
    .philosophy-main .hero-title {
        font-size: 3.5rem;
    }
}

@media (min-width: 768px) {
    .philosophy-main .hero-title {
        font-size: 4.5rem;
        margin-bottom: 2rem;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .hero-title {
        font-size: 5rem;
    }
}

.philosophy-main .hero-subtitle {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    opacity: 0.95;
    line-height: 1.6;
    animation: fadeInUp 0.8s var(--ease-out) 0.2s both;
}

@media (min-width: 480px) {
    .philosophy-main .hero-subtitle {
        font-size: 1.6rem;
    }
}

@media (min-width: 768px) {
    .philosophy-main .hero-subtitle {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .hero-subtitle {
        font-size: 2rem;
    }
}

.philosophy-main .hero-tagline {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.8rem;
    font-weight: 600;
    margin-top: 2.5rem;
    padding: 1.8rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    backdrop-filter: blur(10px);
    line-height: 1.6;
    animation: fadeInUp 0.8s var(--ease-out) 0.4s both;
}

@media (min-width: 480px) {
    .philosophy-main .hero-tagline {
        font-size: 2rem;
    }
}

@media (min-width: 768px) {
    .philosophy-main .hero-tagline {
        font-size: 2.4rem;
        margin-top: 3.5rem;
        padding: 2rem 2rem;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .hero-tagline {
        font-size: 2.8rem;
        margin-top: 4rem;
        padding: 2.5rem 2.5rem;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(2rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Philosophy Section - モバイルファースト */
.philosophy-main .philosophy-section {
    padding: 4rem 0;
    background: var(--color-bg);
}

@media (min-width: 768px) {
    .philosophy-main .philosophy-section {
        padding: 6rem 0;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .philosophy-section {
        padding: 8rem 0;
    }
}

.philosophy-main .container {
    max-width: 120rem;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* セクションタイトル - 明朝体・日本語 */
.philosophy-main .section-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
    position: relative;
    padding-bottom: 1.5rem;
    line-height: 1.4;
}

@media (min-width: 480px) {
    .philosophy-main .section-title {
        font-size: 3.5rem;
    }
}

@media (min-width: 768px) {
    .philosophy-main .section-title {
        font-size: 4.2rem;
        margin-bottom: 2rem;
        padding-bottom: 2rem;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .section-title {
        font-size: 5rem;
        margin-bottom: 2.5rem;
    }
}

.philosophy-main .section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 6rem;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
}

@media (min-width: 768px) {
    .philosophy-main .section-title::after {
        width: 8rem;
        height: 4px;
    }
}

.philosophy-main .philosophy-content {
    max-width: 90rem;
    margin: 3rem auto 0;
    font-size: 1.5rem;
    line-height: 2;
    color: var(--color-text);
    text-align: left;
    padding: 0 1rem;
}

@media (min-width: 480px) {
    .philosophy-main .philosophy-content {
        font-size: 1.6rem;
    }
}

@media (min-width: 768px) {
    .philosophy-main .philosophy-content {
        margin: 5rem auto 0;
        font-size: 1.7rem;
        line-height: 2.1;
        text-align: center;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .philosophy-content {
        margin: 6rem auto 0;
        font-size: 1.8rem;
        line-height: 2.2;
    }
}

.philosophy-main .philosophy-content p {
    margin-bottom: 1.5em;
}

@media (min-width: 768px) {
    .philosophy-main .philosophy-content p {
        margin-bottom: 2em;
    }
}

.philosophy-main .philosophy-highlight {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.6rem;
    font-weight: 600;
    color: #e85d2c;
    margin: 2.5rem 0;
    padding: 2rem 1.5rem;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.08) 0%, rgba(255, 165, 89, 0.05) 100%);
    border-left: 4px solid var(--color-primary);
    border-radius: 0.6rem;
    line-height: 1.8;
}

@media (min-width: 480px) {
    .philosophy-main .philosophy-highlight {
        font-size: 1.7rem;
    }
}

@media (min-width: 768px) {
    .philosophy-main .philosophy-highlight {
        font-size: 1.9rem;
        margin: 3.5rem 0;
        padding: 2.5rem 2rem;
        border-left-width: 5px;
        border-radius: 0.8rem;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .philosophy-highlight {
        font-size: 2rem;
        margin: 4rem 0;
    }
}

/* Principles Section - 行動指針（モバイルファースト） */
.philosophy-main .principles-section {
    padding: 4rem 0;
    background: var(--color-bg-section);
}

@media (min-width: 768px) {
    .philosophy-main .principles-section {
        padding: 6rem 0;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .principles-section {
        padding: 8rem 0;
    }
}

.philosophy-main .principles-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 120rem;
    margin: 3rem auto 0;
}

@media (min-width: 650px) {
    .philosophy-main .principles-grid {
        grid-template-columns: repeat(2, 1fr);
        margin: 4rem auto 0;
    }
}

@media (min-width: 969px) {
    .philosophy-main .principles-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2.5rem;
        margin: 5rem auto 0;
    }
}

@media (min-width: 1200px) {
    .philosophy-main .principles-grid {
        gap: 3rem;
        margin: 6rem auto 0;
    }
}

.philosophy-main .principle-card {
    background: var(--color-bg-card);
    border-radius: 1.2rem;
    padding: 2.5rem 2rem;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.4s var(--ease-out);
    border-top: 4px solid var(--color-primary);
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .philosophy-main .principle-card {
        padding: 3rem 2.5rem;
        border-radius: 1.5rem;
        border-top-width: 5px;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .principle-card {
        padding: 3.5rem;
    }
}

.philosophy-main .principle-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s var(--ease-out);
}

/* ホバーエフェクト - PCのみ */
@media (hover: hover) and (min-width: 1024px) {
    .philosophy-main .principle-card:hover {
        transform: translateY(-0.6rem);
        box-shadow: 0 10px 20px rgba(255, 107, 53, 0.12);
        border-top-color: var(--color-secondary);
    }
    
    .philosophy-main .principle-card:hover::before {
        opacity: 1;
    }
}

.philosophy-main .principle-number {
    display: inline-block;
    width: 4.5rem;
    height: 4.5rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 4.5rem;
    font-family: 'Noto Serif JP', serif;
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
    box-shadow: 0 3px 12px rgba(255, 107, 53, 0.25);
}

@media (min-width: 768px) {
    .philosophy-main .principle-number {
        width: 5rem;
        height: 5rem;
        line-height: 5rem;
        font-size: 2rem;
        margin-bottom: 2rem;
        box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
    }
}

@media (min-width: 1024px) {
    .philosophy-main .principle-number {
        font-size: 2.2rem;
    }
}

/* カードタイトル - 明朝体・2列以内 */
.philosophy-main .principle-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1.2rem;
    position: relative;
    z-index: 1;
    line-height: 1.5;
}

@media (min-width: 480px) {
    .philosophy-main .principle-title {
        font-size: 1.9rem;
    }
}

@media (min-width: 768px) {
    .philosophy-main .principle-title {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .principle-title {
        font-size: 2.2rem;
    }
}

.philosophy-main .principle-content {
    font-size: 1.4rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

@media (min-width: 480px) {
    .philosophy-main .principle-content {
        font-size: 1.5rem;
    }
}

@media (min-width: 768px) {
    .philosophy-main .principle-content {
        font-size: 1.6rem;
        line-height: 1.9;
    }
}

/* Footer Message Section - モバイルファースト */
.philosophy-main .footer-message {
    padding: 5rem var(--container-padding) 4rem;
    background: linear-gradient(135deg, #e85d2c 0%, #ff6b35 100%);
    color: white;
    text-align: center;
}

@media (min-width: 768px) {
    .philosophy-main .footer-message {
        padding: 7rem var(--container-padding) 6rem;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .footer-message {
        padding: 10rem var(--container-padding) 8rem;
    }
}

.philosophy-main .footer-message-content {
    max-width: 80rem;
    margin: 0 auto;
}

.philosophy-main .footer-catchphrase {
    font-family: 'Noto Serif JP', serif;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: 0.04em;
    line-height: 1.5;
}

@media (min-width: 480px) {
    .philosophy-main .footer-catchphrase {
        font-size: 2.5rem;
    }
}

@media (min-width: 768px) {
    .philosophy-main .footer-catchphrase {
        font-size: 3rem;
        margin-bottom: 2rem;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .footer-catchphrase {
        font-size: 3.5rem;
        margin-bottom: 2.5rem;
    }
}

.philosophy-main .footer-subtitle {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.5rem;
    opacity: 0.95;
    line-height: 1.7;
}

@media (min-width: 480px) {
    .philosophy-main .footer-subtitle {
        font-size: 1.6rem;
    }
}

@media (min-width: 768px) {
    .philosophy-main .footer-subtitle {
        font-size: 1.8rem;
        line-height: 1.8;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .footer-subtitle {
        font-size: 2rem;
    }
}

/* CTA Section - モバイルファースト */
.philosophy-main .philosophy-cta {
    padding: 4rem var(--container-padding);
    background: var(--color-bg);
    text-align: center;
}

@media (min-width: 768px) {
    .philosophy-main .philosophy-cta {
        padding: 6rem var(--container-padding);
    }
}

@media (min-width: 1024px) {
    .philosophy-main .philosophy-cta {
        padding: 8rem var(--container-padding);
    }
}

.philosophy-main .philosophy-cta-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-text);
    line-height: 1.4;
}

@media (min-width: 480px) {
    .philosophy-main .philosophy-cta-title {
        font-size: 2.4rem;
    }
}

@media (min-width: 768px) {
    .philosophy-main .philosophy-cta-title {
        font-size: 2.8rem;
        margin-bottom: 2rem;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .philosophy-cta-title {
        font-size: 3.2rem;
    }
}

.philosophy-main .philosophy-cta-text {
    font-size: 1.4rem;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

@media (min-width: 480px) {
    .philosophy-main .philosophy-cta-text {
        font-size: 1.5rem;
    }
}

@media (min-width: 768px) {
    .philosophy-main .philosophy-cta-text {
        font-size: 1.7rem;
        margin-bottom: 3.5rem;
        line-height: 1.8;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .philosophy-cta-text {
        font-size: 1.8rem;
        margin-bottom: 4rem;
    }
}

.philosophy-main .philosophy-cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    justify-content: center;
    align-items: stretch;
    max-width: 50rem;
    margin: 0 auto;
}

@media (min-width: 600px) {
    .philosophy-main .philosophy-cta-buttons {
        flex-direction: row;
        align-items: center;
        gap: 2rem;
    }
}

.philosophy-main .philosophy-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1.4rem 2.5rem;
    font-family: 'Noto Serif JP', serif;
    font-size: 1.4rem;
    font-weight: 700;
    border-radius: 0.4rem;
    transition: all 0.3s var(--ease-out);
    cursor: pointer;
    justify-content: center;
    text-decoration: none;
}

@media (min-width: 480px) {
    .philosophy-main .philosophy-cta-button {
        font-size: 1.5rem;
    }
}

@media (min-width: 768px) {
    .philosophy-main .philosophy-cta-button {
        padding: 1.6rem 3rem;
        font-size: 1.6rem;
        gap: 1rem;
    }
}

@media (min-width: 1024px) {
    .philosophy-main .philosophy-cta-button {
        padding: 1.8rem 3.5rem;
    }
}

.philosophy-main .philosophy-cta-button.primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.25);
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .philosophy-main .philosophy-cta-button.primary {
        box-shadow: 0 6px 18px rgba(255, 107, 53, 0.3);
    }
}

.philosophy-main .philosophy-cta-button.primary::before {
    content: '';
    position: absolute;
    top: -10%;
    left: -100%;
    width: 5rem;
    height: 120%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
    transform: skewX(-20deg);
    animation: ctaShine 3s ease-in-out infinite;
}

@keyframes ctaShine {
    0%, 100% { left: -100%; }
    50% { left: 150%; }
}

.philosophy-main .philosophy-cta-button.secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

/* ホバーエフェクト - PCのみ */
@media (hover: hover) and (min-width: 1024px) {
    .philosophy-main .philosophy-cta-button.primary:hover {
        transform: scale(1.05);
        box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
    }
    
    .philosophy-main .philosophy-cta-button.primary:hover .arrow {
        transform: translateX(0.5rem);
    }
    
    .philosophy-main .philosophy-cta-button.secondary:hover {
        background: var(--color-primary);
        color: #ffffff;
        transform: translateY(-0.3rem);
    }
}

.philosophy-main .philosophy-cta-button .arrow {
    font-size: 1.6rem;
    transition: transform 0.3s var(--ease-out);
}

@media (min-width: 768px) {
    .philosophy-main .philosophy-cta-button .arrow {
        font-size: 2rem;
    }
}

/* Fade-in Animation */
.philosophy-main .fade-in {
    opacity: 0;
    transform: translateY(2rem);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.philosophy-main .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ヘッダーの active 状態 - Philosophy ページ用 */
.philosophy-page .c-headerPc_nav_item a[href*="philosophy"],
.philosophy-page .c-menuSp_links_item a[href*="philosophy"] {
    color: var(--color-primary);
}

.philosophy-page .c-headerPc_nav_item a[href*="philosophy"]::after {
    width: 100%;
}

/* ========================================
   経営理念ページ用 CSS（モバイルファースト版） - ここまで
======================================== */
/* ========================================
   明朝体対応 - 全体スタイル追加CSS
   ※ 既存の style.css の最後に追記してください
======================================== */

/* 明朝体フォントの追加 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;500;600;700;900&display=swap');

/* ========================================
   基本フォント設定 - 明朝体に変更
======================================== */

/* 全体のベースフォントを明朝体に */
body {
    font-family: 'Noto Serif JP', serif, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, Meiryo, sans-serif;
}

/* すべての見出しを明朝体に */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Serif JP', serif;
}

/* ========================================
   ヘッダー - 明朝体適用
======================================== */

/* PC ヘッダーナビゲーション */
.c-headerPc_nav_item a {
    font-family: 'Noto Serif JP', serif;
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* SP ヘッダー */
.c-menuSp_links_item a {
    font-family: 'Noto Serif JP', serif;
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* CTA ボタン */
.c-headerPc_cta a {
    font-family: 'Noto Serif JP', serif;
    font-weight: 600;
}

/* ========================================
   ローディング画面 - 明朝体適用
======================================== */

.c-loading_text p {
    font-family: 'Noto Serif JP', serif;
    font-weight: 500;
    letter-spacing: 0.2em;
}

/* ========================================
   KV セクション - 明朝体適用
======================================== */

.kv_tagline_main {
    font-family: 'Noto Serif JP', serif;
    font-weight: 900;
    letter-spacing: 0.08em;
}

.kv_tagline_sub {
    font-family: 'Noto Serif JP', serif;
    font-weight: 600;
    letter-spacing: 0.1em;
}

.kv_tagline_area {
    font-family: 'Noto Serif JP', serif;
    font-weight: 500;
}

.kv_scroll_text {
    font-family: 'Noto Serif JP', serif;
    font-weight: 500;
    letter-spacing: 0.15em;
}

/* ========================================
   セクションタイトル - 明朝体適用
======================================== */

.section_title_en {
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.section_title_jp {
    font-family: 'Noto Serif JP', serif;
    font-weight: 500;
    letter-spacing: 0.05em;
}

/* ========================================
   企業情報セクション - 明朝体適用
======================================== */

.concept_lead {
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.concept_description {
    font-family: 'Noto Serif JP', serif;
    font-weight: 400;
    line-height: 2.2;
}

.concept_description p {
    font-family: 'Noto Serif JP', serif;
}

.concept_cta_button {
    font-family: 'Noto Serif JP', serif;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.concept_stat_number {
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
}

.concept_stat_label {
    font-family: 'Noto Serif JP', serif;
    font-weight: 500;
}

/* ========================================
   サービスセクション - 明朝体適用
======================================== */

.service_intro_text {
    font-family: 'Noto Serif JP', serif;
    font-weight: 500;
    line-height: 2;
}

.service_card_title {
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.service_card_description {
    font-family: 'Noto Serif JP', serif;
    font-weight: 400;
    line-height: 1.9;
}

/* ========================================
   事業内容セクション - 明朝体適用
======================================== */

.business_intro_text {
    font-family: 'Noto Serif JP', serif;
    font-weight: 500;
    line-height: 2;
}

.business_card_number {
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
}

.business_card_title {
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.business_card_description {
    font-family: 'Noto Serif JP', serif;
    font-weight: 400;
    line-height: 1.9;
}

/* ========================================
   会社概要セクション - 明朝体適用
======================================== */

.company_info_list dt {
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.company_info_list dd {
    font-family: 'Noto Serif JP', serif;
    font-weight: 400;
}

.company_info_list dd a {
    font-family: 'Noto Serif JP', serif;
}

/* ========================================
   お知らせセクション - 明朝体適用
======================================== */

.news_item_date {
    font-family: 'Noto Serif JP', serif;
    font-weight: 500;
}

.news_item_category {
    font-family: 'Noto Serif JP', serif;
    font-weight: 600;
}

.news_item_title {
    font-family: 'Noto Serif JP', serif;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.news_more_button {
    font-family: 'Noto Serif JP', serif;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.news_empty {
    font-family: 'Noto Serif JP', serif;
    font-weight: 500;
}

/* ========================================
   お問い合わせセクション - 明朝体適用
======================================== */

.contact_intro_text {
    font-family: 'Noto Serif JP', serif;
    font-weight: 500;
    line-height: 2;
}

.contact_method_title {
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.contact_method_link {
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
}

.contact_method_hours {
    font-family: 'Noto Serif JP', serif;
    font-weight: 400;
}

.contact_cta_button {
    font-family: 'Noto Serif JP', serif;
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* ========================================
   フッター - 明朝体適用
======================================== */

.l-footer_links_group h4 {
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.l-footer_links_group a {
    font-family: 'Noto Serif JP', serif;
    font-weight: 500;
}

.l-footer_sublinks a {
    font-family: 'Noto Serif JP', serif;
    font-weight: 500;
}

.l-footer_copyright {
    font-family: 'Noto Serif JP', serif;
    font-weight: 400;
    letter-spacing: 0.05em;
}

/* ========================================
   ページトップボタン - 明朝体適用
======================================== */

.back-to-top {
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
}

/* ========================================
   モバイル最適化 - 明朝体の可読性向上
======================================== */

@media (max-width: 767px) {
    /* モバイルでの明朝体の可読性を向上 */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    
    /* 小さい文字サイズでも読みやすく */
    .service_card_description,
    .business_card_description,
    .concept_description {
        font-weight: 500;
        line-height: 2.1;
    }
}

/* ========================================
   明朝体特有の調整
======================================== */

/* 明朝体の太字を強調 */
strong, b {
    font-weight: 700;
}

/* 明朝体の行間調整 */
p {
    line-height: 2;
    letter-spacing: 0.02em;
}

/* リンクテキストの明朝体調整 */
a {
    font-family: 'Noto Serif JP', serif;
}

/* ボタンテキストの明朝体調整 */
button {
    font-family: 'Noto Serif JP', serif;
}

/* 入力フォームの明朝体調整 */
input, textarea, select {
    font-family: 'Noto Serif JP', serif;
}

/* ========================================
   アクセシビリティ - 明朝体での視認性向上
======================================== */

/* フォーカス時の視認性向上 */
a:focus, button:focus {
    outline: 2px solid #ff6b35;
    outline-offset: 2px;
}

/* 選択テキストのスタイル */
::selection {
    background-color: rgba(255, 107, 53, 0.3);
    color: inherit;
}

::-moz-selection {
    background-color: rgba(255, 107, 53, 0.3);
    color: inherit;
}

/* ========================================
   明朝体対応 追加CSS - ここまで
======================================== */
/* ========================================
   KV - PC/SP Video Switch
======================================== */
.kv_bg_video--sp { display: block; }
.kv_bg_video--pc { display: none; }

@media (min-width: 768px) {
    .kv_bg_video--sp { display: none; }
    .kv_bg_video--pc { display: block; }
}

/* ========================================
   KV - Hero Overlay (Raise text + Truck)
======================================== */
.kv_overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.kv_title {
    font-family: 'Bebas Neue', 'Source Sans 3', sans-serif;
    font-size: 6rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.15em;
    text-shadow: 0 0 40px rgba(255, 107, 53, 0.6), 0 4px 20px rgba(0,0,0,0.5);
    margin: 0;
    opacity: 0;
    animation: kvTitleIn 1.2s ease-out 0.8s forwards;
}

@media (min-width: 768px) {
    .kv_title {
        font-size: 10rem;
        letter-spacing: 0.2em;
    }
}

@media (min-width: 1024px) {
    .kv_title {
        font-size: 14rem;
    }
}

@keyframes kvTitleIn {
    0% { opacity: 0; transform: translateY(30px); }
    100% { opacity: 1; transform: translateY(0); }
}

.kv_subtitle {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1.2rem;
    color: rgba(255,255,255,0.85);
    letter-spacing: 0.12em;
    margin-top: 1rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    opacity: 0;
    animation: kvSubIn 1s ease-out 1.6s forwards;
}

@media (min-width: 768px) {
    .kv_subtitle {
        font-size: 1.6rem;
        margin-top: 1.5rem;
    }
}

@keyframes kvSubIn {
    0% { opacity: 0; transform: translateY(15px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* ========================================
   Truck Animation
======================================== */
.kv_truck-animation {
    width: 100%;
    height: 50px;
    position: relative;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
    .kv_truck-animation {
        height: 70px;
        margin-bottom: 1rem;
    }
}

.kv_truck {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100px;
    height: auto;
    animation: truckDrive 5s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.4));
}

@media (min-width: 768px) {
    .kv_truck {
        width: 140px;
    }
}

@media (min-width: 1024px) {
    .kv_truck {
        width: 170px;
    }
}

@keyframes truckDrive {
    0% {
        left: 110%;
        transform: translateY(-50%) scaleX(-1);
    }
    35% {
        left: calc(50% - 60px);
        transform: translateY(-50%) scaleX(-1);
    }
    45% {
        left: calc(50% - 60px);
        transform: translateY(-50%) scaleX(-1);
    }
    50% {
        left: calc(50% - 60px);
        transform: translateY(-50%) scaleX(1);
    }
    85% {
        left: 110%;
        transform: translateY(-50%) scaleX(1);
    }
    86% {
        left: 110%;
        transform: translateY(-50%) scaleX(-1);
    }
    100% {
        left: 110%;
        transform: translateY(-50%) scaleX(-1);
    }
}