@charset "UTF-8";

:root {
  --navy-blue: #0F4C75;
  --blue: #0066CC;
  --light-ping: #FFD7D7;
  --lignth-gray: #DDD;
  --base-text-color: #1B262C;
}

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

body {
    font-family: "Noto Serif JP", "YuMincho", "Hiragino Mincho ProN", "Yu Mincho", "MS PMincho", serif;
    color: var(--base-text-color);
    line-height: 1.8;
    font-size: 16px;
}

p {
    font-weight: 500;
    color: var(--base-text-color);
}

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

.is-sp {
    display: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: #fff;
    padding: 20px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo img {
    display: block;
    width: 130px;
    height: auto;
}

/* Hero Section */
.hero {
    background: url(/media_library/ao/lp/zeirishishikengoukaku/images/mv_bg.png) no-repeat center / cover;
    position: relative;
    padding: 60px 0;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-size: 32px;
    font-weight: bold;
    line-height: 1.6;
    margin-bottom: 40px;
    letter-spacing: 0.04em;
    color: var(--base-text-color);
}

.hero-text {
    text-align: left;
    max-width: 880px;
    margin: 0 auto;
}

.hero-text p {
    margin-bottom: 24px;
    font-size: 15px;
    line-height: 1.9;
}

/* Professional Section */
.professional {
    padding: 80px 0;
    background-color: #fff;
}

.section-title {
    font-size: 28px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 40px;
    color: var(--base-text-color);
}

/* Card Styles */
.card {
    padding: 60px 0;
}

.card:first-of-type {
    border-bottom: 1px solid var(--lignth-gray);
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 54px;
}

.card-text {
    flex: 1;
}

.card-label {
    color: var(--blue);
    font-size: 20px;
    font-weight: 700;
    line-height: 1.5;
}

.card-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--base-text-color);
}

.card-description {
    font-size: 18px;
    line-height: 1.8;
    color: var(--base-text-color);
}

.card-images {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: flex-start;
}

.card-image-left,
.card-image-right {
    width: 48%;
    max-width: 250px;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.card-image-devices {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 18px 60px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: #004B87;
    color: #fff;
    display: block;
    max-width: 400px;
    margin: 0 auto;
}

.btn-primary:hover {
    background-color: #003666;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 75, 135, 0.3);
}

/* Footer */
.footer {
    background-color: #fff;
    padding: 30px 0;
    border-top: 1px solid var(--lignth-gray);
}

.footer-text {
    text-align: center;
    font-size: 12px;
    color: var(--base-text-color);
}

/* Tablet Styles */
@media (min-width: 768px) {
    .hero-title {
        font-size: 42px;
    }

    .hero-text p {
        font-size: 18px;
        line-height: 2;
    }

    .section-title {
        font-size: 32px;
    }

    .card-content {
        flex-direction: row;
    }

    .card-content.reverse {
        flex-direction: row-reverse;
    }

    .card-text {
        flex: 1;
    }

    .card-images {
        flex: 1;
        justify-content: flex-end;
    }

    .card-content.reverse .card-images {
        justify-content: flex-start;
        max-width: 540px;
    }

    .card-title {
        font-size: 28px;
    }
}

/* Desktop Styles */
@media (min-width: 1024px) {
    .hero {
        padding: 80px 0;
    }

    .hero-title {
        font-size: 48px;
        margin-bottom: 50px;
    }

    .professional {
        padding: 100px 0;
    }

    .section-title {
        font-size: 36px;
        margin-bottom: 64px;
    }

    .card-content {
        gap: 60px;
    }

    .btn {
        font-size: 18px;
        padding: 20px 80px;
    }

    .btn-primary {
        max-width: 450px;
    }
}

/* Mobile Specific Adjustments */
@media (max-width: 767px) {
    .is-sp {
        display: block;
    }

    .header {
        padding: 16px 0;
    }

    .logo img {
        width: 80px;
        height: auto;
    }

    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 32px 0;
    }

    .hero-title {
        font-size: 24px;
        line-height: 1.5;
        margin-bottom: 30px;
    }

    .professional {
        padding: 50px 0;
    }

    .section-title {
        font-size: 22px;
        margin-bottom: 32px;
        line-height: 1.5;
    }

    .card {
        padding: 40px 16px;
    }

    .card:first-of-type {
        padding-top: 0;
    }

    .card-content {
        margin-bottom: 32px;
    }

    .card-title {
        font-size: 18px;
        line-height: 1.5;
        margin-bottom: 16px;
    }

    .card-label {
        font-size: 16px;
        margin: 0 0 8px
    }

    .card-description {
        font-size: 14px;
    }

    .card-images {
        flex-direction: column;
        align-items: center;
    }

    .card-image-left,
    .card-image-right {
        width: 80%;
        max-width: 200px;
    }

    .card-image-devices {
        max-width: 100%;
    }

    .btn {
        width: 100%;
        padding: 16px 30px;
        font-size: 15px;
    }

    .btn-primary {
        max-width: 100%;
    }
}