:root {
    --color-primary: #000000;
    --color-accent: #a70014;
    --color-white: #ffffff;

    --text-primary: #000000;
    --text-white: #ffffff;
    --text-blue: #002357;
    --text-lightblue: #0698d8;
    --text-yellow: #fce100;
    --text-accent: #a70014;

    --bg-button: #ffa41d;
    --bg-white: #ffffff;
    --bg-yellow: #fce100;

    --font-shippori:  "shippori-mincho", sans-serif;
    --font-zen-kaku-gothic: "zen-kaku-gothic-new", sans-serif;
    --font-klee-one: "klee-one", sans-serif;
    --font-notos-sans: "noto-sans-cjk-jp", 'Noto Sans JP', sans-serif;

    --container-width: 23.438rem;        /* 375px */
    --container-padding: 0 1.25rem;
}

/* BASE
---------------------------------------- */
main,
footer {
    position: relative;
    margin-inline: auto;
    overflow: hidden;
}

section {
    position: relative;
    padding-block: 1.25rem;
}

.row {
    position: relative;
    width: 100%;
}

.container {
    position: relative;
    max-width: var(--container-width);
    margin-inline: auto;
    padding: var(--container-padding)
}

.container.full-row {
    padding: 0;
}

.container.max-width {
    max-width: var(--container-width);
    padding: 0;
}

.cta__button {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-top: 1rem;
    padding-block: 0.82rem;
    font-size: 1.391rem;
    font-weight: 700;
    color: var(--text-blue);
    border-radius: 0.25rem;
    background-color: var(--bg-button);
}

.cta__button .icon-cart {
    width: 1.113rem;
    margin-right: 0.875rem;
}

.cta__button .icon-left-circle {
    width: 1.391rem;
    margin-left: 2.25rem;
}

.row-title {
    padding-inline: 0.5rem;
    font-family: var(--font-shippori);
    font-size: 1.35rem;
    text-align: center;

    background-image: 
        url('../images/graphic-slash-right.webp'), 
        url('../images/graphic-slash-left.webp');
    background-size: 1rem auto, 1rem auto;
    background-position: 0 center, right center;
    background-repeat: no-repeat;
}

/* END OF BASE
---------------------------------------- */

/* UTILITIES
---------------------------------------- */
.color--accent {
    color: var(--text-accent);
}

/* END OF UTILITIES
---------------------------------------- */

/* SECTION 0 - Hero
---------------------------------------- */
#hero {
    padding-block: 0 0.5rem;
}

#hero .container:nth-child(1) {
    padding-top: 1.25rem;
    background-image: url(../images/graphic-1.webp);
    background-size: 50%;
    background-repeat: no-repeat;
    background-position-x: -2.938rem;
    background-position-y: -7.313rem;
}

#hero .container:last-child {
    margin-top: -0.25rem;
    padding-top: 0.625rem;
    background-image: url('../images/graphic-2.webp');
    background-size: 150%;
    background-repeat: no-repeat;
    background-position-x: right -30em;
    background-position-y: bottom -12em;
}

.intro {
    position: relative;
}

.intro__texts {
    position: relative;
    z-index: 2;
    padding-top: 4.375rem;
    font-family: var(--font-shippori);
    font-weight: 500;
}

.intro__text--head {
    margin-left: -0.875rem;
    margin-bottom: 0.125rem;
    font-size: 1.728rem;
    color: #002357;
}

.intro__text--approach {
    font-family: var(--font-zen-kaku-gothic);
    font-size: 1.063rem;
    line-height: 1.35;
}

.intro__text--ty {
    font-size: 2rem;
    color: var(--text-lightblue);
    letter-spacing: -0.1em;
    line-height: 1.43;
}

.intro__texts > p:last-child {
    margin-left: 3.75rem;
    margin-top: -0.25rem;
    font-size: 1.438rem;
    letter-spacing: 0.1em;
    line-height: 1.4;
}

.intro__image {
    position: absolute;
    top: -1.25rem;
    right: -1.25rem;
    z-index: 1;
}

.intro__image img {
    display: block;
    width: 14.938rem;
}

#hero h1 {
    font-family: var(--font-shippori);
    font-size: 2.9rem;
    font-weight: 600;
    line-height: 1.12;
}

#hero .growth {
    margin-top: -2.5rem;
}

.intro__desc > p {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.intro__desc > ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem 1.5rem;
}

/* END OF Section - Hero
---------------------------------------- */

/* SECTION 01 - Concerns
---------------------------------------- */
#concerns {
    background: linear-gradient(to bottom, #ffffff 0%, #ffffff 30%, #c9d7d7 100%);
}

#concerns .row-title {
    margin-bottom: 1rem;
}

.concerns-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem 0;
    margin-bottom: 1rem;
}
.concern-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.concern-item > img {
    width: 4.202rem;
}

.concern__text {
    font-size: 0.938rem;
    font-weight: 700;
    line-height: 1.3;
}

.concern__text > span {
    font-size: 1.25rem;
    color: var(--color-accent);
}

.concern-outro {
    font-family: var(--font-shippori);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-blue);
    text-align: center;
    line-height: 1.44;
}

/* END OF Section 01 - Concerns
---------------------------------------- */

/* SECTION 02 - Thanks KPI
---------------------------------------- */
#thanks-kpi {
    padding-top: 0;
    background-color: var(--bg-yellow);
}

.section--triangle {
    position: relative;
    padding-top: 0.5rem;
    padding-bottom: 2.5rem;
}

.section--triangle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #f9c803;
    clip-path: polygon(10% 0, 90% 0, 50% 100%);
    z-index: 1;
}

.section--triangle > p {
    position: relative;
    z-index: 2;
    margin: 0;
    font-family: var(--font-shippori);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-blue);
    text-align: center;
}

#thanks-kpi h2 {
    margin-right: -1.5rem;
    margin-bottom: 1rem;
    font-family: var(--font-shippori);
    font-size: 2.6rem;
    font-weight: 600;
    color: var(--text-lightblue);
    line-height: 1.3;
    text-align: center;
}

#thanks-kpi h2 > span {
    margin-inline: -3rem -1.5rem;
}

.thanks-kpi__text {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 1.031rem;
    font-weight: 500;
    color: var(--text-blue);
    text-align: center;
}

.thanks-kpi__image {
    position: relative;
    z-index: 2;
    margin-bottom: 2rem;
}

.thanks-kpi--ty {
    position: absolute;
    z-index: 1;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    opacity: 0.4;
    font-family: var(--font-shippori);
    font-size: 3.771rem;
    font-weight: 500;
    color: var(--text-white);
    line-height: 1.12;
    letter-spacing: -0.02em;
}

/* END OF Section 02 - Thanks KPI
---------------------------------------- */