/* =============================================
   Oh-ha LP — style.css
   Mobile-first, matches the provided design
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@300..700&family=M+PLUS+Rounded+1c&display=swap');

/* --- Reset & Variables --- */
:root {
    --orange: #F5A623;
    --orange-light: #FFC857;
    --orange-dark: #E8961E;
    --bg-cream: #FFF9F0;
    --bg-gray: #EFEEEE;
    --text-dark: #333333;
    --text-body: #555555;
    --text-light: #888888;
    --white: #FFFFFF;
    --dark: #2C2C2C;
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --font-ja: 'M PLUS Rounded 1c', sans-serif;
    --font-en: 'Fredoka', sans-serif;
    --shadow-neumo: 8px 8px 14px #d7d6d6, -8px -8px 14px #ffffff;
    --shadow-neumo-orange: 8px 8px 14px #e09d3e, -8px -8px 14px #ffc950;
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-ja);
    color: var(--text-dark);
    line-height: 1.7;
    background: var(--bg-gray);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

h1, h2 {
    font-family: var(--font-en);
}

.pc{
    display: block;
}
.sp {
    display: none;
}

@media (max-width: 600px) {
    .pc {
        display: none;
    }
    .sp {
        display: block;
    }
}

/* =============================================
   Header
   ============================================= */
.header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 40px 60px;
}

.header__inner {
    max-width: 1200px;
    margin: 0 auto;
}

.header__logo {
    font-family: var(--font-en);
    font-weight: 800;
    font-size: 2.2rem;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

/* =============================================
   Hero Section
   ============================================= */
.hero {
    position: relative;
    padding: 0;
    overflow: hidden;
    min-height: clamp(600px, 100vh, 900px);
    display: flex;
    align-items: center;
    z-index: 3;
}

/* The white circular area */
.hero::before {
    content: '';
    position: absolute;
    top: -55%;
    left: -15%;
    width: 85vw;
    height: 85vw;
    max-width: 1100px;
    max-height: 1100px;
    background: #f4f4f4;
    border-radius: 50%;
    z-index: 0;
    box-shadow: var(--shadow-neumo);
}

.hero__inner {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 0 0 0 40px;
    width: 100%;
}

.hero__text {
    flex: 1.1;
    text-align: left;
}

.hero__title {
    font-family: var(--font-en);
    font-weight: 800;
    font-size: clamp(2.5rem, 7vw, 4.8rem);
    line-height: 1.1;
    color: #333;
    margin-bottom: 32px;
}

.hero__desc {
    font-size: clamp(0.95rem, 2.8vw, 1.25rem);
    line-height: 1.8;
    color: #555;
    margin-bottom: 48px;
    font-weight: 700;
}

.btn {
    display: inline-block;
    border: none;
    cursor: pointer;
    font-family: var(--font-ja);
    font-weight: 800;
    transition: all 0.3s ease;
}

.btn--primary {
    background: #FFAC33;
    color: var(--white);
    font-size: 1.1rem;
    padding: 18px 45px;
    border-radius: 100px;
    box-shadow: 0 10px 30px rgba(255, 172, 51, 0.25);
}

.btn--primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255, 172, 51, 0.35);
    background: #DD9120;
}

.hero__image {
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
}

.hero__img {
    width: 100%;
    max-width: 700px;
    height: auto;
}


/* =============================================
   Concepts Section
   ============================================= */
.concepts {
    background: #FFB347;
    padding: 30px 24px;
    position: relative;
}

.concepts::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    aspect-ratio: 1440 / 212;
    background: url("../img/concepts_before.svg") no-repeat center bottom;
    background-size: cover;
    transform: translateY(-96%);
    z-index: 2;
}

.concepts::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    aspect-ratio: 1440 / 204;
    background: url("../img/concepts_after.svg") no-repeat center top;
    background-size: cover;
    transform: translateY(99%);
    z-index: 9;
}

.concepts__inner {
    max-width: 1200px;
    margin: 0 auto;
}

.concepts__header {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
    margin-bottom: 60px;
}

.concepts__title {
    font-family: var(--font-en);
    font-weight: 600;
    font-size: clamp(3rem, 10vw, 7.5rem);
    color: #333;
    line-height: 1;
    margin: 0;
    letter-spacing: -0.02em;
}

.concepts__subtitle {
    font-size: clamp(1rem, 1.5vw, 1.4rem);
    font-weight: 800;
    line-height: 1.6;
    color: #333;
    margin-top: 10px;
}

.concepts__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(3, auto);
    gap: 24px;
}

.concept-card {
    background: var(--white);
    border-radius: 40px;
    padding: 35px;
    box-shadow: var(--shadow-neumo-orange);
    display: flex;
    gap: 24px;
    align-items: center;
    transition: transform 0.3s ease;
}

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

/* Grid Areas */
.concept-card--1 { grid-area: 1 / 1 / 2 / 3; }
.concept-card--2 { grid-area: 1 / 3 / 3 / 4; flex-direction: column; text-align: center; justify-content: space-between; }
.concept-card--3 { grid-area: 1 / 4 / 3 / 5; flex-direction: column; text-align: center; justify-content: space-between; }
.concept-card--4 { grid-area: 2 / 1 / 4 / 2; flex-direction: column; text-align: center; justify-content: space-between; }
.concept-card--5 { grid-area: 2 / 2 / 4 / 3; flex-direction: column; text-align: center; justify-content: space-between; }
.concept-card--6 { grid-area: 3 / 3 / 4 / 5; }

.concept-card__icon {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.concept-card--1 .concept-card__icon,
.concept-card--6 .concept-card__icon {
    width: 120px;
    height: 120px;
}

.concept-card__icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.concept-card__text {
    flex: 1;
}

.concept-card__label {
    font-size: 1.5rem;
    font-weight: 800;
    color: #333;
    margin-bottom: 12px;
    font-family: var(--font-ja);
}

.concept-card__desc {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #555;
    font-weight: 500;
}

@media (max-width: 1100px) {
    .concepts::before{
        transform: translateY(-95%);
    }
    .concepts__grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto;
    }
    .concept-card {
        grid-area: auto !important;
        flex-direction: row !important;
        text-align: left !important;
        padding: 20px;
        font-size: 0.8rem;
    }
    .concept-card--3,.concept-card--4 {
        flex-direction: row-reverse !important;
    }
    .concept-card__icon {
        width: 100px !important;
        height: 100px !important;
    }
    .concepts__header {
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 600px) {
    .concepts__grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   About Section
   ============================================= */
.about {
    background: #f4f4f4;
    padding: 250px 24px 200px;
}

.about__inner {
    max-width: 960px;
    margin: 0 auto;
    position: relative;
}
.about__inner::after {
    content: '';
    position: absolute;
    top: -5vh;
    right: 0;
    width: 440px;
    height: 440px;
    border-radius: 50%;
    background: #EFEEEE;
    box-shadow:  8px 8px 14px #d7d6d6,
                -8px -8px 14px #ffffff;
}

.about__heading {
    font-family: var(--font-en);
    font-weight: 600;
    font-size: clamp(3rem, 10vw, 5.5rem);
    color: #333;
    margin-bottom: 80px;
    letter-spacing: -0.02em;
}

.about__content {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 80px;
}

.about__phone {
    flex: 1;
    max-width: 480px;
    background: #f4f4f4;
    border-radius: 120px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.about__mockup-img {
    width: 100%;
    height: auto;
    border-radius: 0;
    box-shadow: none;
}

.about__text {
    text-align: left;
}

.about__title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 32px;
    color: #333;
    font-family: var(--font-ja);
}

.about__emoji {
    display: inline-block;
    animation: float 2.5s ease-in-out infinite;
    font-size: 1.2em;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0); }
    50%      { transform: translateY(-10px) rotate(10deg); }
}

.about__desc {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    line-height: 2;
    color: #444;
    font-weight: 700;
}

@media (max-width: 900px) {
    .about {
        padding: 200px 24px 60px;
    }
    .about__content {
        flex-direction: column;
        gap: 60px;
    }
    .about__inner::after {
        top: -160px;
        width: 200px;
        height: 200px;
    }
    .about__heading {
        margin-bottom: 20px;
    }
    .about__text {
        text-align: center;
    }

}

/* =============================================
   CTA Section
   ============================================= */
.cta {
    background: #f4f4f4;
    padding: 0 24px 100px;
}

.cta__inner {
    max-width: 1100px;
    margin: 0 auto;
}

.cta__box {
    background: #FFB347;
    border-radius: 80px;
    padding: 100px 40px;
    text-align: center;
    box-shadow: var(--shadow-neumo);
}

.cta__title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--white);
    font-family: var(--font-ja);
    letter-spacing: -0.01em;
}

.cta__desc {
    font-size: clamp(0.9rem, 2vw, 1.2rem);
    font-weight: 500;
    line-height: 1.6;
    margin-bottom: 48px;
    color: var(--white);
}

.cta__buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    background: #333;
    color: var(--white);
    padding: 15px 40px;
    border-radius: 100px;
    gap: 15px;
    transition: transform 0.3s ease, background 0.3s ease;
}

.store-btn:hover {
    transform: translateY(-5px);
    background: #222;
}

.store-btn--disabled {
    position: relative;
    pointer-events: none;
    cursor: default;
}

.store-btn--disabled > *:not(.store-btn__comingsoon) {
    opacity: 0.35;
    filter: blur(1px);
}

.store-btn__comingsoon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-family: var(--font-en);
}

.store-btn i {
    font-size: 2.5rem;
}

.store-btn__text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.2;
}

.store-btn__text span {
    font-size: 0.65rem;
    letter-spacing: 0.05em;
    font-weight: 400;
}

.store-btn__text strong {
    font-size: 1.4rem;
    font-family: var(--font-en);
    font-weight: 700;
}

@media (max-width: 768px) {
    .cta {
        padding-bottom: 20px;
    }
    .cta__box {
        padding: 60px 24px;
        border-radius: 40px;
    }
    .store-btn {
        padding: 12px 30px;
    }
}

/* =============================================
   FAQ Section
   ============================================= */
.faq {
    background: #f4f4f4;
    padding: 100px 24px;
}

.faq__inner {
    max-width: 900px;
    margin: 0 auto;
}

.faq__heading {
    font-family: var(--font-en);
    font-weight: 800;
    font-size: clamp(3rem, 10vw, 5rem);
    text-align: center;
    color: #333;
    margin-bottom: 60px;
    letter-spacing: -0.02em;
}

.faq__list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    border: none;
}

.faq__item {
    background: var(--white);
    border-radius: 50px;
    box-shadow: var(--shadow-neumo);
    border: none;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq__q {
    padding: 30px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq__q p {
    font-size: 1.1rem;
    font-weight: 700;
    color: #444;
    margin: 0;
    line-height: 1.4;
}

.faq__icon {
    width: 20px;
    height: 20px;
    position: relative;
    flex-shrink: 0;
}

.faq__icon::before,
.faq__icon::after {
    content: '';
    position: absolute;
    background: #444;
    transition: all 0.3s ease;
}

.faq__icon::before {
    top: 9px;
    left: 0;
    width: 20px;
    height: 2px;
}

.faq__icon::after {
    top: 0;
    left: 9px;
    width: 2px;
    height: 20px;
}

.faq__item.is-active .faq__icon::after {
    transform: rotate(90deg);
    opacity: 0;
}

.faq__a {
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    padding: 0 50px;
}

.faq__item.is-active .faq__a {
    max-height: 500px;
    padding-bottom: 30px;
}

.faq__a p {
    font-size: 1rem;
    font-weight: 500;
    color: #666;
    margin: 0;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .faq__item {
        border-radius: 40px;
    }
    .faq__item p {
        font-size: 0.95rem;
    }
    .faq__heading {
        font-size: 3.5rem;
    }
}

/* =============================================
   Footer
   ============================================= */
.footer {
    background: #2c2c2c;
    color: var(--white);
    padding: 40px 24px 40px;
    text-align: center;
}

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

.footer__share-label {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: 0.05em;
    font-family: var(--font-ja);
}

.footer__icons {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 60px;
}

.footer__icon {
    font-size: 2.5rem;
    color: var(--white);
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
}

.footer__icon img {
    height: 2.2rem;
    width: auto;
}

.footer__icon:hover {
    opacity: 0.7;
}

.footer__logo {
    margin-bottom: 60px;
    display: flex;
    justify-content: center;
}

.footer__logo img {
    width: 100%;
    max-width: 320px;
    height: auto;
}

.footer__bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer__link {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
}

.footer__copy {
    font-size: 0.75rem;
    font-weight: 500;
    opacity: 0.6;
    margin-top: 8px;
}

@media (max-width: 768px) {
    .footer__logo img {
        width: 60%;
    }
}

/* =============================================
   Desktop / Tablet breakpoints
   ============================================= */

/* Tablet (>= 600px) */
@media (max-width: 600px) {
    .hero__title {
        font-size: 2.6rem;
    }

    .hero__image {
        width: 50%;
        max-width: 360px;
    }
}

/* Desktop (>= 768px) */
@media (max-width: 768px) {
    .header {
        padding: 28px 40px;
    }

    .hero {
        padding: 0px 40px 100px;
    }

    .hero__inner {
        flex-flow: column-reverse;
        gap: 48px;
        flex-wrap: wrap;
        padding: 0;
    }

    .hero__text {
        order: 1;
        text-align: left;
        flex: 1;
        width: 100%;
    }

    .hero__image {
        order: 2;
        flex: 1;
        max-width: 640px;
        width: 100%;
    }

    .hero__title {
        font-size: 2rem;
        text-align: center;
    }

    .hero__desc {
        font-size: 1rem;
        text-align: center;
    }

    .btn--primary{
        margin: 0 auto;
        display: block;
        width: 100%;
        text-align: center;
    }


    .cta__box {
        padding: 56px 48px;
    }

    .cta__box {
        padding: 80px 40px;
    }
}

/* Large Desktop (>= 1024px) */
@media (min-width: 1024px) {
    .hero__title {
        font-size: 3.6rem;
    }
}