@charset "utf-8";

:root {
  /*===========================================
  ブレイクポイント(breakpoint)
  ===========================================*/
  /*
  --breakpoint576: 36em;
  --breakpoint768: 48em;
  --breakpoint992: 62em;
  --breakpoint1200: 75em;
  --breakpoint1400: 87.5em;
  */

  /*===========================================
  スペース(space)
  ===========================================*/
  --space5: 0.3125rem;
  --space10: 0.625rem;
  --space15: 0.9375rem;
  --space20: 1.25rem;
  --space25: 1.5625rem;
  --space30: 1.875rem;
  --space35: 2.1875rem;
  --space40: 2.5rem;
  --space45: 2.8125rem;
  --space50: 3.125rem;
  --space55: 3.4375rem;
  --space60: 3.75rem;
  --space65: 4.0625rem;
  --space70: 4.375rem;
  --space75: 4.6875rem;
  --space80: 5rem;
  --space85: 5.3125rem;
  --space90: 5.625rem;
  --space95: 5.9375rem;
  --space100: 6.25rem;
  --space110: 6.875rem;
  --space120: 7.5rem;
  --space130: 8.125rem;
  --space140: 8.75rem;
  --space150: 9.375rem;
  --space160: 10rem;
  --space170: 10.625rem;
  --space180: 11.25rem;
  --space190: 11.875rem;
  --space200: 12.5rem;

  /*===========================================
  カラー(color)
  ===========================================*/
  --white: #FAFAFA;
  --black: #333333;
  --main-color: #04365c;
  --accent-color: #E78F81;
  --base-color: #FFF5CD;
  --sub-color: #B7E0FF;
  --bg-main-color: #e4f3fe;
  --bg-sub-color: #f1f5f5;
  --category-color-green: #43b2b2;
  --category-color-blue: #4A90E2;
  --category-color-magenta: #CC1FD1;
  --category-color-purple: #9370DB;
}

:where(:root, body) { overflow-x: hidden; overflow-x: clip; }

/*===========================================
ボディ(body)
===========================================*/
body { font-family: "Kiwi Maru", serif; }

/*===========================================
レイアウト(layout)
===========================================*/
.l-wrapper { max-width: 1800px; margin-inline: auto; }
.l-inner-ex-small { container-type: inline-size; padding: 40px 5cqi; }
.l-inner-small { container-type: inline-size; padding: 80px 5cqi; }
.l-inner-medium { container-type: inline-size; padding: 160px 5cqi; }
.l-inner-large { container-type: inline-size; padding: 240px 5cqi; }
@media (min-width: 62em) {
  .l-inner-ex-small { padding: 80px 5cqi; }
  .l-inner-small { padding: 160px 5cqi; }
  .l-inner-medium { padding: 240px 5cqi; }
  .l-inner-large { padding: 320px 5cqi; }
}

/*===========================================
下層ページのキービジュアル(subpage-kv)
===========================================*/
.c-subpage-kv { container-type: inline-size;}
.c-subpage-kv__icon { position: relative; overflow: hidden; }
.c-subpage-kv__title { padding: var(--space180) var(--space50); background-color: var(--main-color); }
@container (min-width: 48em) {
  .c-subpage-kv__icon::after { content: ""; position: absolute; top: 0; right: 0; width: 50%; height: 100%; }
  .c-subpage-kv__icon.--about::after { background: url("../images/subpage-kv-about.svg") no-repeat center center; background-size: contain; }
  .c-subpage-kv__icon.--works::after { background: url("../images/subpage-kv-works.svg") no-repeat center center; background-size: contain; }
}

/*===========================================
パンくず(breadcrumbs)
===========================================*/
.c-breadcrumbs__list { display: flex; flex-wrap: wrap; gap: var(--space40); }
.c-breadcrumbs__list__item { position: relative; }
.c-breadcrumbs__list__item:not(:last-of-type) { padding-right: 40px; }
.c-breadcrumbs__list__item::before { content: ""; position: absolute; top: 50%; right: 0; display: block; width: 10px; height: 10px; border-top: 2px solid var(--black); border-right: 2px solid var(--black); transform: translateY(-50%) rotate(45deg); }
.c-breadcrumbs__list__item:nth-last-of-type(1)::before { display: none; }
.c-breadcrumbs__list__item .text { font-size: 1.3rem; }
.c-breadcrumbs__list__item.is-current .text { color: var(--accent-color); }
.c-breadcrumbs__list__item a { position: relative; display: inline-block; padding-bottom: 0.3em; }
.c-breadcrumbs__list__item a::after { content: ""; position: absolute; bottom: 0; left: 0; width: 100%; height: 1px; background-color: var(--black); transition: width 0.3s ease-in-out; }
@media (any-hover: hover) {
  .c-breadcrumbs__list__item a:hover::after { width: 0; }
}

/*===========================================
フォント(font)
===========================================*/
.kiwi-maru-light { font-family: "Kiwi Maru", serif; font-weight: 300; font-style: normal; }
.kiwi-maru-regular { font-family: "Kiwi Maru", serif; font-weight: 400; font-style: normal; }
.kiwi-maru-medium { font-family: "Kiwi Maru", serif; font-weight: 500; font-style: normal; }

/*===========================================
ヘッダー(header)
===========================================*/
.l-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 100; background-color: transparent; }
.l-header__nav { position: fixed; top: 0; right: 0; width: 100%; height: 100%; z-index: 80; background-color: var(--main-color); transition-property: clip-path; transition-duration: 0.8s; transition-timing-function: cubic-bezier(0.77, 0.02, 0.25, 0.97); animation-fill-mode: both; clip-path: circle(0% at 100% 0%); }
.l-header__nav[aria-expanded="true"] { clip-path: circle(150% at 100% 0%); }
.l-header__nav__list { width: 100%; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: var(--space30); }
.l-header__nav__list-item a { color: var(--white); font-size: 2.5rem; }
.l-header__menu { position: absolute; top: 1rem; right: 1rem; z-index: 90; }
.l-header__menu__button { appearance: none; position: relative; width: 50px; height: 50px; border: 1px solid var(--white); background-color: var(--main-color); }
.l-header__menu__button .line { display: block; position: absolute; width: 65%; height: 2px; background-color: var(--white); transition: 0.5s ease-in-out; }
.l-header__menu__button .line:nth-child(1) { top: 12px; left: 50%; transform: translateX(-50%); }
.l-header__menu__button .line:nth-child(2) { top: 22px; left: 50%; transform: translateX(-50%); }
.l-header__menu__button .line:nth-child(3) { top: 32px; left: 50%; transform: translateX(-50%); }
.l-header__menu__button[aria-expanded="true"] .line:nth-child(1) { top: 23px; left: 50%; transform: translateX(-50%) rotate(45deg); }
.l-header__menu__button[aria-expanded="true"] .line:nth-child(2) { display: none; }
.l-header__menu__button[aria-expanded="true"] .line:nth-child(3) { top: 23px; left: 50%; transform: translateX(-50%) rotate(-45deg); }
.l-header__menu__text { font-size: 0.8rem; font-weight: 700; text-align: center; }
.l-header__menu__text :is(.open, .close) { display: block; color: var(--white); }
.l-header__menu__text .open { display: block; }
.l-header__menu__text.is-active .close { display: block; }
.l-header__menu__text.is-active .open { display: none; }
.l-header__menu__text .close { display: none; }
/* 薄い背景の上にある場合 */
body.has-light-bg .l-header__menu__text :is(.open, .close) { color: var(--black); }
/* 濃い背景の上にある場合（明示的に指定） */
body.has-dark-bg .l-header__menu__text :is(.open, .close) { color: var(--white); }

/*===========================================
フッター(footer)
===========================================*/
.l-footer { background-color: var(--sub-color); }
.l-footer__content { display: block grid; grid-template-columns: 1fr; gap: var(--space30); margin-bottom: var(--space50); }
.l-footer__logo h1 { margin: 0; }
.l-footer__nav { display: block grid; grid-template-columns: 1fr; gap: var(--space10); }
.l-footer__nav__item a { position: relative; display: inline-block; padding: 0.3em; }
.l-footer__nav__item a::after { content: ""; position: absolute; bottom: 0; left: 0; width: 0%; height: 1px; background-color: var(--black); transition: width 0.3s ease-in-out; }
.l-footer__copyright { font-size: 0.875rem; text-align: center; }
@media (any-hover: hover) {
  .l-footer__nav__item a:hover::after { content: ""; position: absolute; bottom: 0; left: 0; width: 100%; height: 1px; background-color: var(--black); }
}
@container (min-width: 36em) {
  .l-footer__content { grid-template-columns: repeat(2, 1fr); }
}

/*===========================================
ボタン(button)
===========================================*/
.c-button-typeA { display: block grid; grid-template-columns: 1fr auto; place-items: center; max-width: 17.5rem; width: 100%; padding: var(--space10) var(--space20); color: var(--white); background: linear-gradient(120deg, oklch(82% 0.21 330) 0%, oklch(65% 0.23 20) 100%); border-radius: calc(1px * infinity); }
.c-button-typeA::after { position: relative; right: 10px; font-family: Material Symbols Outlined; content: "line_end_arrow_notch"; font-size: 1.5rem; transition: right 0.3s ease-in-out; }
@media (any-hover: hover) {
  .c-button-typeA:hover::after { right: 0; }
}

/*===========================================
見出し(headline)
===========================================*/
.c-headline-typeA { color: var(--white); font-size: clamp(3rem, calc(2.605rem + 1.684vw), 4.5rem); /* min: 48px, max: 72px */; font-weight: 400; }
.c-headline-typeB { position: relative; width: fit-content; padding-bottom: var(--space10); font-size: clamp(2rem, calc(1.868rem + 0.561vw), 2.5rem); /* min: 32px, max: 40px */; font-weight: 300; }
.c-headline-typeB::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 3px; background-color: var(--accent-color); }
.c-headline-typeC { position: relative; padding-left: 1em; font-size: clamp(1.5rem, calc(1.368rem + 0.561vw), 2rem); /* min: 24px, max: 32px */; font-weight: 300; }
.c-headline-typeC::before { content: ""; position: absolute; top: 0; left: 0; width: 5px; height: 100%; background-color: var(--main-color); }

/*===========================================
制作実績一覧カード(works-card)
===========================================*/
.c-works-card { display: block grid; grid-template-columns: 1fr; column-gap: var(--space60); row-gap: var(--space80); }
.c-works-card__item .thumbnail { position: relative; margin-bottom: var(--space30); }
.c-works-card__item .thumbnail__border-left::before { content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 105%; height: 2px; }
.c-works-card__item .thumbnail__border-left::after { content: ""; position: absolute; top: 50%; left: 0; transform: translateY(-50%); width: 2px; height: 105%; }
.c-works-card__item .thumbnail__border-right::before { content: ""; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 105%; height: 2px; }
.c-works-card__item .thumbnail__border-right::after { content: ""; position: absolute; top: 50%; right: 0; transform: translateY(-50%); width: 2px; height: 105%; }
.c-works-card__item[data-category="category-color-green"] .thumbnail__border-left::before,
.c-works-card__item[data-category="category-color-green"] .thumbnail__border-left::after { background-color: var(--category-color-green); }
.c-works-card__item[data-category="category-color-green"] .thumbnail__border-right::before,
.c-works-card__item[data-category="category-color-green"] .thumbnail__border-right::after { background-color: var(--category-color-green); }
.c-works-card__item[data-category="category-color-blue"] .thumbnail__border-left::before,
.c-works-card__item[data-category="category-color-blue"] .thumbnail__border-left::after { background-color: var(--category-color-blue); }
.c-works-card__item[data-category="category-color-blue"] .thumbnail__border-right::before,
.c-works-card__item[data-category="category-color-blue"] .thumbnail__border-right::after { background-color: var(--category-color-blue); }
.c-works-card__item[data-category="category-color-magenta"] .thumbnail__border-left::before,
.c-works-card__item[data-category="category-color-magenta"] .thumbnail__border-left::after { background-color: var(--category-color-magenta); }
.c-works-card__item[data-category="category-color-magenta"] .thumbnail__border-right::before,
.c-works-card__item[data-category="category-color-magenta"] .thumbnail__border-right::after { background-color: var(--category-color-magenta); }
.c-works-card__item[data-category="category-color-purple"] .thumbnail__border-left::before,
.c-works-card__item[data-category="category-color-purple"] .thumbnail__border-left::after { background-color: var(--category-color-purple); }
.c-works-card__item[data-category="category-color-purple"] .thumbnail__border-right::before,
.c-works-card__item[data-category="category-color-purple"] .thumbnail__border-right::after { background-color: var(--category-color-purple); }
.c-works-card__item .category { max-width: 90px; display: block grid; place-items: center; margin-bottom: var(--space20); padding: var(--space5) var(--space10); border-radius: 10px; }
.c-works-card__item[data-category="category-color-green"] .category { color: var(--white); background-color: var(--category-color-green); }
.c-works-card__item[data-category="category-color-blue"] .category { color: var(--white); background-color: var(--category-color-blue); }
.c-works-card__item[data-category="category-color-magenta"] .category { color: var(--white); background-color: var(--category-color-magenta); }
.c-works-card__item[data-category="category-color-purple"] .category { color: var(--white); background-color: var(--category-color-purple); }
.c-works-card__item:has(.comment) .site-name { margin-bottom: var(--space30); }
.c-works-card__item .site-name a { display: block flex; align-items: center; gap: 10px; width: fit-content; padding-bottom: var(--space5); color: var(--black); font-size: clamp(1rem, calc(0.882rem + 0.327vw), 1.25rem); /* min: 16px, max: 20px */; border-bottom: 1px solid var(--black); transition: color 0.3s ease-in-out, border-bottom 0.3s ease-in-out; }
.c-works-card__item .site-name a::after { display: block; font-family: Material Symbols Outlined; content: "open_in_new"; font-size: 1.5rem; }
.c-works-card__item .comment { padding: var(--space20); border-radius: 10px; }
.c-works-card__item[data-category="category-color-green"] .comment { border: 2px solid var(--category-color-green); }
.c-works-card__item[data-category="category-color-blue"] .comment { border: 2px solid var(--category-color-blue); }
.c-works-card__item[data-category="category-color-magenta"] .comment { border: 2px solid var(--category-color-magenta); }
.c-works-card__item[data-category="category-color-purple"] .comment { border: 2px solid var(--category-color-purple); }
.c-works-card__item .comment__text { line-height: 1.8; }
@media (any-hover: hover) {
  .c-works-card__item .site-name a:hover { color: var(--accent-color); border-bottom: 1px solid var(--accent-color); }
}
@container (min-width: 36em) {
  .c-works-card { grid-template-columns: repeat(2, 1fr); }
}
@container (min-width: 48em) {
  .c-works-card { grid-template-columns: repeat(3, 1fr); }
}

/*===========================================
アニメーション(animation)
===========================================*/
.js-clip-in { visibility: hidden; clip-path: polygon(0 0, 0 100%, 100% 100%, 0 100%); }
.js-clip-in.is-active { visibility: visible; animation-name: clip-in; animation-duration: 0.8s; animation-timing-function: cubic-bezier(0.95, 0, 0.03, 1.01); animation-fill-mode: both; animation-delay: var(--delay, 0s); }
@keyframes clip-in {
  from {
    clip-path: polygon(0 0, 0 100%, 100% 100%, 0 100%);
  }
  to {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }
}
.js-fade-up { visibility: hidden; opacity: 0; transform: translateY(24px); }
.js-fade-up.is-active { visibility: visible; animation-name: fade-up; animation-duration: 0.6s; animation-timing-function: cubic-bezier(0.25, 1, 0.5, 1); animation-fill-mode: both; animation-delay: var(--delay, 0s); } 
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.js-blur-in { filter: blur(12px); opacity: 0.4; }
.js-blur-in.is-active { animation-name: blur-in; animation-duration: 1.4s; animation-timing-function: ease-out; animation-fill-mode: forwards; animation-delay: var(--delay, 0s); }
@keyframes blur-in {
  from {
    filter: blur(12px);
    opacity: 0.4;
  }
  to {
    filter: blur(0);
    opacity: 1;
  }
}

/*===========================================
ページトップへ戻るボタン(top-button)
===========================================*/
.c-top-button { position: fixed; bottom: 1rem; right: 1rem; z-index: 90; width: 50px; height: 50px; background-color: var(--main-color); border-radius: calc(1px * infinity); opacity: 0; visibility: hidden; transform: translateY(20px); transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out, transform 0.3s ease-in-out; }
.c-top-button.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.c-top-button a { display: flex; justify-content: center; align-items: center; width: 100%; height: 100%; padding: var(--space10); }
.c-top-button__text { color: var(--white); font-size: 1.2rem; line-height: 1; }