/* Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Helvetica Neue", "Arial", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    color: #111;
    background-color: #fff;
    line-height: 1.6;
    letter-spacing: 0.05em;
    -webkit-font-smoothing: antialiased;
}

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

/* Header */
.site-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 3rem;
    z-index: 10;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Hero Section */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    /* Full viewport height */
    overflow: hidden;
    /* Background moved to ::before for animation */
    background-color: #fff;
    /* Base color */
    display: flex;
    /* alignment for text */
    align-items: center;
    justify-content: center;
    z-index: 1;
}

/* 
.hero::before is removed in favor of .svg-wrap
*/

/* 
.hero-image-container and .hero-img are removed as we use background-image 
*/

.hero-text {
    /* Adjusted for CLI output style */
    position: relative;
    z-index: 2;
    /* Center it visually or place it where the whiteboard is likely to be */
    /* Assuming top area is white space based on prompt */
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);

    font-family: 'Courier New', Courier, monospace;
    /* Monospace for CLI */
    font-size: 1rem;
    line-height: 1.4;
    color: #333;
    /* Dark gray for "ink" or terminal text on white */
    background-color: transparent;
    /* Remove background box to blend with whiteboard */
    padding: 2rem;
    width: 80%;
    max-width: 800px;
    text-align: left;
    /* Terminal text is left-aligned */
    box-shadow: none;
    /* Remove shadow */
    transition: opacity 3s ease-in-out;
    /* Prepare for fade out */
}

.hero-text.fade-out {
    opacity: 0;
}

.cli-output {
    white-space: pre-wrap;
    /* Allow wrapping on small screens */
    overflow-wrap: break-word;
}

.prompt {
    color: #007bff;
    /* Blue prompt color */
    font-weight: bold;
}

.final-message {
    display: block;
    margin-top: 1rem;
    font-weight: bold;
    font-size: 1.5rem;
    color: #000;
}

.cursor {
    display: inline-block;
    width: 0.6em;
    height: 1.2em;
    background-color: #333;
    vertical-align: middle;
    margin-left: 2px;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

/* Content Cards Section */
.content-cards {
    padding: 8rem 2rem;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.card {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    /* Square images */
    background-color: #eee;
    /* Placeholder bg */
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    filter: grayscale(100%);
    /* Force B&W */
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-text {
    text-align: left;
    padding: 0 1rem;
}

.card-text h2 {
    font-size: 1.8rem;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.jp-title {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1.5rem;
    display: inline-block;
    border-bottom: 1px solid #111;
    padding-bottom: 0.2rem;
}

.desc {
    font-size: 0.95rem;
    color: #333;
}

/* Footer */
.site-footer {
    padding: 3rem;
    text-align: center;
    font-size: 0.8rem;
    color: #888;
    background-color: #fff;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .site-header {
        padding: 1.5rem;
    }

    .desktop-nav {
        display: none;
        /* SPではPCメニューを隠す */
    }

    .hero {
        align-items: flex-start;
        /* Move text to top */
    }

    .svg-wrap>svg {
        transform: scale(1.3);
        /* 130%に拡大 */
        transform-origin: center bottom;
    }

    .hero::before {
        background-size: 100% auto;
        /* Show full width */
        background-position: center bottom;
        /* Anchor to bottom */
    }

    .hero-text {
        position: relative;
        /* Reset position for flow */
        top: auto;
        left: auto;
        transform: none;
        width: 100%;
        text-align: left;
        /* Terminal text on mobile for readability */
        background-color: transparent;
        /* Remove box bg if on white space */
        padding: 2rem 1.5rem 0;
        /* 余白を半分に調整 */
        font-size: 0.9rem;
        box-shadow: none;
    }

    .content-cards {
        padding: 4rem 1.5rem;
    }

    .container {
        flex-direction: column;
        align-items: center;
        gap: 5rem;
    }

    .card {
        width: 100%;
        max-width: 400px;
    }

}

/* Mobile Radial Menu (Global Base Styles) */
.mobile-menu-container {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 2000;
    /* Increased z-index just in case */
}

.menu-trigger {
    width: 80px;
    height: 80px;
    background-color: #333;
    color: #fff;
    border: none;
    border-radius: 0 0 0 100%;
    /* Fan shape */
    position: relative;
    cursor: pointer;
    display: flex;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 15px 15px 0 0;
    box-shadow: -2px 2px 5px rgba(0, 0, 0, 0.2);
    z-index: 2002;
}

.menu-label {
    font-size: 0.8rem;
    font-weight: bold;
    transform: rotate(45deg);
    margin-right: 5px;
    margin-top: 5px;
}

.menu-items {
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 0;
    z-index: 2001;
}

.menu-item {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 65px;
    /* Increased by 30% from 50px */
    height: 65px;
    /* Increased by 30% from 50px */
    background-color: #fff;
    color: #333;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    font-size: 0.75rem;
    /* Slightly larger text */
    font-weight: bold;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.25);
    opacity: 0;
    transform: scale(0);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
    pointer-events: none;
}

/* Active State Positions */
.mobile-menu-container.active .menu-item {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
}

.mobile-menu-container.active .item-1 {
    transform: translate(-160px, 15px);
}

.mobile-menu-container.active .item-2 {
    transform: translate(-135px, 90px);
}

.mobile-menu-container.active .item-3 {
    transform: translate(-80px, 140px);
}

.mobile-menu-container.active .item-4 {
    transform: translate(-10px, 170px);
}

/* Desktop Menu Buttons (PC版メニュー) */
@media (min-width: 769px) {
    .mobile-menu-container {
        display: none;
    }

    .site-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 2rem 4rem;
    }

    .desktop-nav {
        display: flex;
        gap: 3rem;
    }

    .nav-btn {
        text-decoration: none;
        color: #111;
        font-size: 0.9rem;
        font-weight: bold;
        text-transform: uppercase;
        letter-spacing: 0.15em;
        position: relative;
        padding: 0.5rem 0;
        transition: color 0.3s ease;
    }

    .nav-btn::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 1px;
        background-color: #111;
        transition: width 0.3s ease;
    }

    .nav-btn:hover {
        color: #666;
    }

    .nav-btn:hover::after {
        width: 100%;
    }

    /* 特にお問い合わせボタンを強調する場合 */
    .nav-btn.btn-contact {
        border: 1px solid #111;
        padding: 0.6rem 2rem;
        transition: all 0.3s ease;
        border-radius: 4px;
        /* ここも少し角丸に */
    }

    .nav-btn.btn-contact:hover {
        background-color: #111;
        color: #fff;
    }

    .nav-btn.btn-contact::after {
        display: none;
    }
}

/* SVG Hero Background */
.svg-wrap {
    position: absolute;
    inset: 0;
    z-index: -1;
    /* Behind text */
    pointer-events: none;
    opacity: 0;
    transition: opacity 3s ease-in-out;
}

.hero.bg-visible .svg-wrap {
    opacity: 1;
}

.svg-wrap>svg {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    /* Ensure it covers like background-size: cover */
}

/* ---- Steam Animation ---- */
#steam1,
#steam2 {
    transform-box: fill-box;
    transform-origin: center bottom;
}

@keyframes steamFloat {
    0% {
        transform: translateX(0) translateY(0) scale(1);
        opacity: 0;
    }

    15% {
        opacity: 1;
    }

    50% {
        transform: translateX(-3px) translateY(-8px) scale(1.05);
    }

    100% {
        transform: translateX(3px) translateY(-16px) scale(1.1);
        opacity: 0;
    }
}

@keyframes steamWobble {
    0% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(2px);
    }

    100% {
        transform: translateX(-2px);
    }
}

#steam1 {
    animation:
        steamFloat 2.6s infinite ease-in-out,
        steamWobble 1.4s infinite ease-in-out;
}

#steam2 {
    animation:
        steamFloat 3.1s infinite ease-in-out 0.8s,
        steamWobble 1.6s infinite ease-in-out 0.2s;
}

/* ---- Mouth & Brow Animation ---- */
#mouth_normal,
#mouth_smirk,
#browL_normal,
#browL_smirk,
#browR_normal,
#browR_smirk {
    transition: opacity 160ms ease-in-out, transform 160ms ease-in-out;
    transform-box: fill-box;
    transform-origin: center;
}

/* Initial State */
#mouth_normal,
#browL_normal,
#browR_normal {
    opacity: 1;
}

#mouth_smirk,
#browL_smirk,
#browR_smirk {
    opacity: 0;
    transform: translateY(0);
}

/* Smirk State */
.smirk-on #mouth_normal,
.smirk-on #browL_normal,
.smirk-on #browR_normal {
    opacity: 0;
}

.smirk-on #mouth_smirk,
.smirk-on #browL_smirk,
.smirk-on #browR_smirk {
    opacity: 1;
}

.smirk-on #browL_smirk,
.smirk-on #browR_smirk {
    transform: translateY(-1.2px);
}

/* ---- Lightning (WiFi) Animation ---- */
#wifi1,
#wifi2 {
    opacity: 0;
    transform-box: fill-box;
    transform-origin: center;
}

.smirk-on #wifi1,
.smirk-on #wifi2 {
    /* JS controls visibility for blinking */
    opacity: 0;
}

/* Contact Page Styles */
.contact-section {
    padding: 8rem 2rem 4rem;
    background-color: #fff;
    min-height: calc(100vh - 100px);
    display: flex;
    justify-content: center;
}

.form-container {
    width: 100%;
    max-width: 700px;
    /* Widened slightly */
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    /* Bold */
    margin-bottom: 3rem;
    text-align: center;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.required-mark {
    color: #ff4d4d;
    margin-left: 0.3rem;
    font-weight: bold;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 1rem;
    /* Increased padding */
    border: 1px solid #ccc;
    border-radius: 6px;
    /* Rounded corners */
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    margin-top: 0.5rem;
    /* Space between label and input */
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #111;
}

.form-group input.input-error,
.form-group textarea.input-error {
    border-color: #ff4d4d;
}

.error-message {
    display: none;
    color: #ff4d4d;
    font-size: 0.8rem;
    margin-top: 0.4rem;
}

.privacy-policy-box {
    background-color: #f9f9f9;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.privacy-text {
    font-size: 0.85rem;
    color: #444;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.privacy-text a {
    color: #111;
    text-decoration: underline;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-group label {
    font-size: 0.9rem;
    cursor: pointer;
}

.form-actions {
    text-align: center;
}

.submit-button {
    background-color: #111;
    color: #fff;
    border: none;
    padding: 1rem 4rem;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease, opacity 0.3s ease;
    width: 100%;
}

.submit-button:hover:not(:disabled) {
    background-color: #333;
}

.submit-button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

/* Responsive for Contact Form */
@media (max-width: 768px) {
    .contact-section {
        padding: 6rem 1.5rem 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .submit-button {
        padding: 1rem 2rem;
    }
}