@charset "utf-8";
/* Base Settings */
body {
    font-family: Arial, Helvetica, Verdana, 'Noto Sans JP', 'メイリオ', Meiryo, 'ヒラギノ角ゴ ProN', 'Hiragino Kaku Gothic ProN', sans-serif;
    font-size: 14px;
    color: #575d61;
    margin: 0;
}
a:link, a:visited, a:active {
    color: #323638;
}
.inline-block {
    display: inline-block;
}
.sub-text {
    font-size: 0.85em;
    font-weight: normal;
}
/* UI Elements */
.arrow_circle {
    position: relative;
    display: inline-block;
    padding-left: 1.5em;
    text-decoration: none;
}
.arrow_circle::before {
    content: '';
    width: 1em;
    height: 1em;
    background: #3e8acc;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}
.arrow_circle::after {
    content: '';
    width: 0.35em;
    height: 0.35em;
    border-top: 0.15em solid #fff;
    border-right: 0.15em solid #fff;
    position: absolute;
    top: 50%;
    left: 0.3em;
    transform: translateY(-50%) rotate(45deg);
}
/* Layout Container */
.container {
    max-width: 980px;
    width: 100%;
    margin-right: auto;
    margin-left: auto;
    box-sizing: border-box;
}
.pd {
    padding-right: 10px;
    padding-left: 10px;
    margin-bottom: 40px;
}
/* Typography & Headings */
h1 {
    margin-top: 50px;
}
h2 {
    font-size: 23px;
    line-height: 1.65;
}
h2.catchcopy {
    margin-bottom: 15px;
}
p.title-caption {
    font-size: 16px;
    margin-top: 10px;
    margin-bottom: 25px;
    letter-spacing: -0.03em;
}
/* Category Layout (Flexbox Modernization) */
.cat-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding: 10px 10px 0;
    margin-bottom: 40px;
    border-top: 3px solid #bec2c4;
}
.block_left {
    flex: 1 1 65%;
    min-width: 0;
}
.block_right_group {
    flex: 1 1 30%;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.block_right {
    flex: 1 1 30%;
    padding-top: 10px;
}
/* Product Item Structure */
.product-section {
    display: flex;
    gap: 20px;
    padding-top: 20px;
    padding-bottom: 25px;
    border-bottom: 1px solid #bec2c4;
}
.product-section-end {
    border-bottom: none;
}
.product-block_left {
    flex: 0 0 180px;
}
.product-block_right {
    flex: 1;
}
.responsive-img {
    display: block;
    max-width: 100%;
    height: auto;
}
.pr-category {
    font-size: 16px;
    color: #258dc3;
    font-weight: bold;
    margin: 0;
}
h3.pr-copy {
    font-size: 22px;
    line-height: 1.4;
    margin-top: 8px;
    margin-bottom: 15px;
}
h3.pr-copy_ac {
    line-height: 1.15;
}
.link-list {
    color: #6B6F72;
    font-size: 15.5px;
    line-height: 1.3;
    list-style-type: none;
    padding-left: 0;
    margin: 0;
}
.link-list li {
    margin-bottom: 1em;
}
.fitting-title {
    font-size: 16px;
    font-weight: 400;
    margin-top: 0;
}
.fitting-list {
    color: #6B6F72;
    font-size: 15px;
    line-height: 1.7;
    list-style-type: none;
    padding-left: 0.3em;
    margin: 0;
}
/* Header & Footer */
.header_container {
    background: #111111;
}
.header {
    padding-top: 15px;
    padding-bottom: 15px;
}
/* Media Queries (Tablet & Mobile) */
@media screen and (max-width: 920px) {
    body {
        font-size: 13px;
    }
    h2 {
        font-size: 20px;
    }
    h2.catchcopy {
        font-size: 18px;
    }
    h3.pr-copy {
        font-size: 19px;
    }
    .pr-category {
        font-size: 15px;
    }
    .fitting-title {
        font-size: 13px;
    }
    .fitting-list {
        font-size: 12px;
    }
}
@media screen and (max-width: 767px) {
    .cat-container {
        flex-direction: column;
    }
    .block_left, .block_right, .block_right_group {
        flex: 1 1 100%;
    }
    h1 {
        margin-top: 30px;
    }
    h2.catchcopy {
        font-size: 17px;
    }
    p.title-caption {
        font-size: 15px;
    }
    h3.pr-copy {
        font-size: 18px;
    }
    .fitting-list {
        line-height: 1.4;
        font-size: 13px;
    }
    .link-list {
        font-size: 14.5px;
    }
}
@media screen and (max-width: 500px) {
    .product-section {
        flex-direction: column;
        gap: 10px;
    }
    .product-block_left {
        flex: 0 0 auto;
        width: 140px;
    }
}